{"schemaVersion":1,"scope":"Integrated rendered member inventory and bounded floor audit. No floor is certified complete.","inputHashes":[{"path":"site/data/wtc7_structure.json","sha256":"26d8b30cceb5d2043e8380262aced3e257820768bb9bb739910df66f71eea9c3"},{"path":"site/data/wtc7_envelope.json","sha256":"960e543941e86710fdb6035dddfc655c5208eacbf4d716f73faab9c52bcbbc1b"},{"path":"site/data/wtc7_framing.json","sha256":"3dc6ce34da4b4ca462da494c852b20a898094b1559d0df132276f7dac3d2a68b"},{"path":"site/data/wtc7_blueprint_grid.json","sha256":"5dbad345d13d9e38b2e60512d5a6b13f68d40e27b69cfe0ed7862c2b7432e572"},{"path":"site/data/wtc7_wind_schedule.json","sha256":"e30e5d4e5414c1eecb9eb2c5f025faef1b5d1d7f539e166891c394ec717b5f05"},{"path":"site/data/wtc7_lower_frame.json","sha256":"db73c97ae76bfd494673ea295707ffd0c05545ff615fee80adb3f74f143f990a"},{"path":"site/data/wtc7_section_catalog.json","sha256":"54515d3c04fdde184b0551bd94178c419caca717a2f8a5012aa04444d87b3e30"},{"path":"site/data/wtc7_floor_datums.json","sha256":"415a62262cf6f3ec0075c8c1205d12ebefc55518f65b543e240b38203d973a33"},{"path":"site/data/wtc7_special_framing.json","sha256":"270c92dcc13c26b98f465bcda0a6fc2a63fcc319b967aafc1c890e81abd6976c"},{"path":"site/data/wtc7_column_schedule.json","sha256":"3bbf057cf060fa251f730ac9ef2b52cbe4775bd69b148b813ed2bd74455535a4"},{"path":"site/data/wtc7_belt_frame.json","sha256":"3c92ee89f77f4d1e039c37527e6ccb0a7f6cf07721814aa9a011fc86d3bcef3e"},{"path":"site/data/wtc7_roof_frame.json","sha256":"d8696dcf26ea2e9ac364614ca5edb4217361f137614dabf76cded192561a962b"},{"path":"site/data/wtc7_interior_framing.json","sha256":"f3bc323fb48c2e05e7dfa0cef020935d2b9c470d5a785050cde5d8d570176468"},{"path":"site/data/wtc7_lower_column_schedule.json","sha256":"d7d01deb7b916854efe8477f269a952e98e81bd99a249294439076988317cdec"},{"path":"site/data/wtc7_bulkhead_frame.json","sha256":"4ce7cc9bc64d38f19f5f324591bccb12e573963eda6a808324af579d3d530ba2"},{"path":"site/data/wtc7_builtup_girders.json","sha256":"4568eadbdf34fe79d976bbf80b74c4b44bc2e02ae7be9d0566c6228b791bc371"},{"path":"site/data/wtc7_office_framing.json","sha256":"770300470f47f71cb1156b745df274333f3e76a8367faf2de4bb7343968b1229"},{"path":"site/data/wtc7_transfer_frame.json","sha256":"25a7c732625d421d8e9cab9e24c69c03a92bdd80599d3d643f8db05dbaf19232"},{"path":"site/data/wtc7_interior_column_schedule.json","sha256":"e0c09fb96f1f691ae19cd17a0993c551c87f5ad70129fc909495ef92950e0254"},{"path":"site/data/wtc7_cooling_frame.json","sha256":"fddc157a0e1bc4723713fa286e07e99f673b58ccfc73c8abc331c7d8c888a630"},{"path":"site/data/wtc7_north_substation_frame.json","sha256":"ceec768e66d23f54aa60a2ac1cb88801fe4b89de1a643b90d02f467a5ab482c2"},{"path":"site/data/wtc7_roof_front_frame.json","sha256":"89f2c2d1634574f3007c71229e00c26204eefceb28869c2e2f31272518d57965"},{"path":"site/data/wtc7_column_reinforcement.json","sha256":"7ad39593446196e619b7086bea12578902235d1da693cbbed226dbb6ac8dd3c2"},{"path":"site/data/wtc7_upper_local_frame.json","sha256":"21c5a6e8470c0e759efc05bfa14d2b2333e52d97887632441cda40ef522be29e"},{"path":"site/data/wtc7_f47_local_frame.json","sha256":"0f2db909680ea44659b39db1b379c043397c4f1812e93acaef8ea9246089a1b9"}],"countingRules":["One record per rendered member, not per flange/web or split perimeter beam arm.","Standalone 78A and MG23 packages are not added twice: their members enter through the transfer frame.","Floor counts use explicit member tags or matching floor-level labels at both ends of a beam. Each attribution is retained; unassigned multi-floor bracing/columns are not counted as missing.","Physical plan band is slab minus4ft through slab plus0.1ft, using actual rendered plate envelopes. It is a visualization aid, not a floor assignment or support test.","No completion percentage: no complete expected-member bill has yet been transcribed."],"renderedMembers":9961,"floors":[{"floor":1,"label":"Floor 1","slabDatumFt":309.25,"steelDatumFt":308.5833333333333,"yFt":-2.0833333333333144,"sourceId":"frankel-E1","taggedMemberCounts":{"lower-wall":5,"transfer":24},"corePrimaryErectionChecked":0,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Street lobby / first floor","finding":"Twenty-four recovered floor beams occupy only the southeast and lowered west pockets, including four W8×24 secondary spans. The street lobby had doors and an enclosure; this exposed-steel view omits them. E1 also shows local openings, a truck ramp and existing steel; its blank north area does not document an empty substation.","next":"Complete the two pocket graphs and opening edges; recover E6/old-core supports, hanger A272 registration and existing substation framing. Preserve west steel EL305′1″ and raised B237.","audits":["lobby-completion-audit.md","grade-lobby-audit.md","first-floor-west-audit.md","existing-north-support-audit.md"],"sheet":"E1","sourceOverview":"floor-audit-source-crops/E1-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E1.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":2,"label":"Floor 2","slabDatumFt":320.375,"steelDatumFt":319.875,"yFt":9.041666666666686,"sourceId":"frankel-E2","taggedMemberCounts":{"lower-wall":13,"transfer":38},"corePrimaryErectionChecked":0,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Partial mezzanine","finding":"Sixteen south/west and twenty-two east beams are recovered. H245X now stops at B272, and G245/H245X use native steel EL321′1½″. Shop sizes A225 W36×135, B225 W36×210 and H239 W14×22 supersede conflicting plan callouts. Four M216/N216 cantilevers and five opening-edge beams now join the primary/intermediate graph. A225/B225 have actual rolled-end setbacks, copes and three rounded web openings. Reinforcement, connections, edge ties, hangers and floor-wide framing remain incomplete.","next":"Trace cantilever edge ties, remaining secondaries, north rectangle framing and A272/B272 hangers; recover opening reinforcement and connections. Keep local east steel321′1½″ separate from general steel319′10½″ and core322′0″. Preserve A7 OPEN TO LOBBY BELOW.","audits":["lobby-completion-audit.md","grade-lobby-audit.md","transfer-frame-audit.md","lower-floor-datum-audit.md"],"sheet":"E2","sourceOverview":"floor-audit-source-crops/E2-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E2.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":3,"label":"Floor 3","slabDatumFt":334.5,"steelDatumFt":334,"yFt":23.166666666666686,"sourceId":"frankel-E3","taggedMemberCounts":{"lower-wall":39,"transfer":26},"corePrimaryErectionChecked":0,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Main lobby / promenade","finding":"Eleven south spans, fourteen east primary beams and MG32 primary plates are recovered. Column79 A59/A107/A178 and Column81 A44/A121/A179 now join the upper schedules. MG32 end/attachment registration and three E3 attachment-station differences remain explicit; secondary steel, the west wing, core openings and old north roof steel are incomplete.","next":"Resolve MG32/A272 hanger registration and recover the E3 cantilever/secondary strip, west wing and old/new roof connections. Recover Column81 first lift below A44 and N2–N9 original sections/endpoints.","audits":["lobby-completion-audit.md","floor3-east-and-column79-audit.md","grade-lobby-audit.md","transfer-frame-audit.md","existing-north-support-audit.md"],"sheet":"E3","sourceOverview":"floor-audit-source-crops/E3-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E3.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":4,"label":"Floor 4","slabDatumFt":348.5,"steelDatumFt":348,"yFt":37.166666666666686,"sourceId":"frankel-E4","taggedMemberCounts":{"lower-wall":48,"transfer":72,"substation":60},"corePrimaryErectionChecked":0,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Atrium above main lobby","finding":"The north package contains 60 floor members, with three middle core girders modeled separately. Eleven northeast beams now add the C315/B321 bearing graph and revised A321Y W30×173. The side package contains61 west/east members, including MG41, southeast opening edges, two oblique crosspieces and four inner-west-strip beams. Nine earlier span differences exceeding0.5in were reconciled to original attachment stations and corrected native fractions. Fractional residuals, field revisions and old E3/E4 substrates remain incomplete.","next":"Continue shaft/opening steel south of H289, including D289/G289 and hanger interfaces; transcribe field drawings FW4/FW51/FW73/FW81/FW83/FW105 and resolve remaining fractional span differences. Recover old E3/E4 supports separately from the new source-bounded shafts. Preserve the large south lobby opening.","audits":["floor4-side-framing-audit.md","lower-east-completion-audit.md","floor4-north-completion-audit.md","north-substation-audit.md","grade-lobby-audit.md"],"sheet":"E4","sourceOverview":"floor-audit-source-crops/E4-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E4.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":5,"label":"Floor 5","slabDatumFt":362.75,"steelDatumFt":361.5833333333333,"yFt":51.416666666666686,"sourceId":"frankel-E5","taggedMemberCounts":{"lower-wall":58,"transfer":15},"corePrimaryErectionChecked":0,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Lower transfer / mechanical framing","finding":"Twelve south floor beams, core chords and MG53 are modeled. E5 has a much denser floor graph across north, south and side wings than those bounded assemblies.","next":"Trace E5 intermediate beams, north floor framing and side-wing plans. Resolve support continuity and MG53 existing substrates independently of the floor slab.","audits":["transfer-frame-audit.md","completion-checklist.md"],"sheet":"E5","sourceOverview":"floor-audit-source-crops/E5-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E5.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":6,"label":"Floor 6","slabDatumFt":375.75,"steelDatumFt":375.25,"yFt":64.41666666666669,"sourceId":"frankel-E6","taggedMemberCounts":{"lower-wall":58,"transfer":8},"corePrimaryErectionChecked":0,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Transfer level","finding":"Lower-wall beams and selected core chords are present. Original shop0184 now adds E3/B184 and E4/A184 above the MG53 stubs through EL388′3″. There is still no complete E6 floor graph; the northern row, southern intermediate framing and end wings remain largely incomplete.","next":"Transcribe E6 floor beams and its local elevations. Crossed/open eastern and southwest regions require their own details; do not infer a regular infill grid.","audits":["lower-east-completion-audit.md","transfer-frame-audit.md","completion-checklist.md"],"sheet":"E6","sourceOverview":"floor-audit-source-crops/E6-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E6.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":7,"label":"Floor 7","slabDatumFt":389,"steelDatumFt":388.3333333333333,"yFt":77.66666666666669,"sourceId":"frankel-E7","taggedMemberCounts":{"lower-wall":58,"transfer":21,"substation":8},"corePrimaryErectionChecked":0,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Transfer interface to office tower","finding":"Fourteen recovered east members add eleven rolled beams and MG24/MG25/MG26 primary plate bodies to the transfer graph. Shop 0525 identifies C525 as W36×160. The three built-up girders retain unresolved shop/common-grid closure differences; substantial E7 floor and opening framing remains missing.","next":"Resolve the MG24/25/26 local workline differences and transcribe the remaining E7 floor graph. Resolve MG23’s 2in datum conflict, A630 and transfer bearing/connection assemblies.","audits":["floor7-east-framing-audit.md","north-substation-audit.md","mg23-transfer-girder-audit.md","transfer-frame-audit.md"],"sheet":"E7","sourceOverview":"floor-audit-source-crops/E7-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E7.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":8,"label":"Floor 8","slabDatumFt":401.75,"steelDatumFt":401.2916666666667,"yFt":90.41666666666669,"sourceId":"frankel-E8_9","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E8_9","sourceOverview":"floor-audit-source-crops/E8_9-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E8_9.tif","westCrop":"floor-audit-source-crops/E8_9-west-core.png","westReadings":[{"id":"F8-interior-58-61","floor":8,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F8-interior-59-62","floor":8,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F8-interior-61-62","floor":8,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":9,"label":"Floor 9","slabDatumFt":414.5,"steelDatumFt":414.0416666666667,"yFt":103.16666666666669,"sourceId":"frankel-E8_9","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E8_9","sourceOverview":"floor-audit-source-crops/E8_9-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E8_9.tif","westCrop":"floor-audit-source-crops/E8_9-west-core.png","westReadings":[{"id":"F9-interior-58-61","floor":9,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F9-interior-59-62","floor":9,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F9-interior-61-62","floor":9,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F9-interior-58-61","floor":9,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F9-interior-59-62","floor":9,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E8_9","sourceSheet":"E8_9","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E8_9-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":10,"label":"Floor 10","slabDatumFt":427.25,"steelDatumFt":426.7916666666667,"yFt":115.91666666666669,"sourceId":"frankel-E10_11","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E10_11","sourceOverview":"floor-audit-source-crops/E10_11-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E10_11.tif","westCrop":"floor-audit-source-crops/E10_11-west-core.png","westReadings":[{"id":"F10-interior-58-61","floor":10,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F10-interior-59-62","floor":10,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F10-interior-61-62","floor":10,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":11,"label":"Floor 11","slabDatumFt":440,"steelDatumFt":439.5416666666667,"yFt":128.66666666666669,"sourceId":"frankel-E10_11","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E10_11","sourceOverview":"floor-audit-source-crops/E10_11-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E10_11.tif","westCrop":"floor-audit-source-crops/E10_11-west-core.png","westReadings":[{"id":"F11-interior-58-61","floor":11,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F11-interior-59-62","floor":11,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F11-interior-61-62","floor":11,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F11-interior-58-61","floor":11,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F11-interior-59-62","floor":11,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E10_11","sourceSheet":"E10_11","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E10_11-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":12,"label":"Floor 12","slabDatumFt":452.75,"steelDatumFt":452.2916666666667,"yFt":141.41666666666669,"sourceId":"frankel-E12_13","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":4,"corePrimaryRepeatedDesign":31,"complete":false,"use":"Office floor","finding":"4 of 35 modeled primary W records have an explicit erection-section check. 31 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E12_13","sourceOverview":"floor-audit-source-crops/E12_13-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E12_13.tif","westCrop":"floor-audit-source-crops/E12_13-west-core.png","westReadings":[{"id":"F12-interior-58-61","floor":12,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E12_13","sourceSheet":"E12_13","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E12_13-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F12-interior-59-62","floor":12,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E12_13","sourceSheet":"E12_13","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E12_13-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F12-interior-61-62","floor":12,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E12_13","sourceSheet":"E12_13","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E12_13-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":13,"label":"Floor 13","slabDatumFt":465.5,"steelDatumFt":465.0416666666667,"yFt":154.16666666666669,"sourceId":"frankel-E12_13","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":6,"corePrimaryRepeatedDesign":29,"complete":false,"use":"Office floor","finding":"6 of 35 modeled primary W records have an explicit erection-section check. 29 still repeat S8 design. 5 of 79 office members in the C44–79 east bay have bounded paired E12/13 mark, section and workline checks. The other 74 lack this local check; individual Floor 13 piece assignment, fabrication ends and connections remain unresolved for all five checked members.","next":"Audit the remaining core spans and 74 unchecked office members against the erection sheets; resolve the five checked members’ individual-floor piece assignments and connections, and trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md","f13-east-framing-audit.md"],"sheet":"E12_13","sourceOverview":"floor-audit-source-crops/E12_13-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E12_13.tif","westCrop":"floor-audit-source-crops/E12_13-west-core.png","westReadings":[{"id":"F13-interior-58-61","floor":13,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W27X161","sectionChanged":false,"sourceId":"frankel-E12_13","sourceSheet":"E12_13","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E12_13-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F13-interior-59-62","floor":13,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W24X76","sectionChanged":false,"sourceId":"frankel-E12_13","sourceSheet":"E12_13","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E12_13-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F13-interior-61-62","floor":13,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E12_13","sourceSheet":"E12_13","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E12_13-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Native three-span west-core check, bounded C44–79 east-bay framing check and integrated inventory; other-system findings carried from cited audits."},{"floor":14,"label":"Floor 14","slabDatumFt":478.25,"steelDatumFt":477.7916666666667,"yFt":166.91666666666669,"sourceId":"frankel-E14_15","taggedMemberCounts":{"perimeter-beam":58,"core-primary":31,"builtup":6,"office":79},"corePrimaryErectionChecked":4,"corePrimaryRepeatedDesign":27,"complete":false,"use":"Office floor","finding":"4 of 31 modeled primary W records have an explicit erection-section check. 27 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Preserve the four separate MG141/MG142 plate-girder replacements.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E14_15","sourceOverview":"floor-audit-source-crops/E14_15-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E14_15.tif","westCrop":"floor-audit-source-crops/E14_15-west-core.png","westReadings":[{"id":"F14-interior-58-61","floor":14,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E14_15","sourceSheet":"E14_15","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E14_15-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F14-interior-59-62","floor":14,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E14_15","sourceSheet":"E14_15","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E14_15-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F14-interior-61-62","floor":14,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E14_15","sourceSheet":"E14_15","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E14_15-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":15,"label":"Floor 15","slabDatumFt":491,"steelDatumFt":490.5416666666667,"yFt":179.66666666666669,"sourceId":"frankel-E14_15","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":6,"corePrimaryRepeatedDesign":29,"complete":false,"use":"Office floor","finding":"6 of 35 modeled primary W records have an explicit erection-section check. 29 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E14_15","sourceOverview":"floor-audit-source-crops/E14_15-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E14_15.tif","westCrop":"floor-audit-source-crops/E14_15-west-core.png","westReadings":[{"id":"F15-interior-58-61","floor":15,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W27X161","sectionChanged":false,"sourceId":"frankel-E14_15","sourceSheet":"E14_15","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E14_15-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F15-interior-59-62","floor":15,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W24X76","sectionChanged":false,"sourceId":"frankel-E14_15","sourceSheet":"E14_15","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E14_15-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F15-interior-61-62","floor":15,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E14_15","sourceSheet":"E14_15","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E14_15-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":16,"label":"Floor 16","slabDatumFt":503.75,"steelDatumFt":503.2916666666667,"yFt":192.41666666666669,"sourceId":"frankel-E16_17","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E16_17","sourceOverview":"floor-audit-source-crops/E16_17-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E16_17.tif","westCrop":"floor-audit-source-crops/E16_17-west-core.png","westReadings":[{"id":"F16-interior-58-61","floor":16,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F16-interior-59-62","floor":16,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F16-interior-61-62","floor":16,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":17,"label":"Floor 17","slabDatumFt":516.5,"steelDatumFt":516.0416666666666,"yFt":205.16666666666669,"sourceId":"frankel-E16_17","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Retain the explicit C66–69 W18×71 exception.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E16_17","sourceOverview":"floor-audit-source-crops/E16_17-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E16_17.tif","westCrop":"floor-audit-source-crops/E16_17-west-core.png","westReadings":[{"id":"F17-interior-58-61","floor":17,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F17-interior-59-62","floor":17,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F17-interior-61-62","floor":17,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F17-interior-58-61","floor":17,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F17-interior-59-62","floor":17,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E16_17","sourceSheet":"E16_17","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E16_17-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":18,"label":"Floor 18","slabDatumFt":529.25,"steelDatumFt":528.7916666666666,"yFt":217.91666666666669,"sourceId":"frankel-E18_E19","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E18_E19","sourceOverview":"floor-audit-source-crops/E18_E19-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E18_E19.tif","westCrop":"floor-audit-source-crops/E18_E19-west-core.png","westReadings":[{"id":"F18-interior-58-61","floor":18,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F18-interior-59-62","floor":18,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F18-interior-61-62","floor":18,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":19,"label":"Floor 19","slabDatumFt":542,"steelDatumFt":541.5416666666666,"yFt":230.66666666666669,"sourceId":"frankel-E18_E19","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E18_E19","sourceOverview":"floor-audit-source-crops/E18_E19-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E18_E19.tif","westCrop":"floor-audit-source-crops/E18_E19-west-core.png","westReadings":[{"id":"F19-interior-58-61","floor":19,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F19-interior-59-62","floor":19,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F19-interior-61-62","floor":19,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F19-interior-58-61","floor":19,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F19-interior-59-62","floor":19,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E18_E19","sourceSheet":"E18_E19","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E18_E19-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":20,"label":"Floor 20","slabDatumFt":554.75,"steelDatumFt":554.2916666666666,"yFt":243.41666666666669,"sourceId":"frankel-E20","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E20","sourceOverview":"floor-audit-source-crops/E20-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E20.tif","westCrop":"floor-audit-source-crops/E20-west-core.png","westReadings":[{"id":"F20-interior-58-61","floor":20,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E20","sourceSheet":"E20","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E20-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F20-interior-59-62","floor":20,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E20","sourceSheet":"E20","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E20-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F20-interior-61-62","floor":20,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E20","sourceSheet":"E20","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E20-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":21,"label":"Floor 21","slabDatumFt":567.5,"steelDatumFt":567.0416666666666,"yFt":256.1666666666667,"sourceId":"frankel-E21","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2},"corePrimaryErectionChecked":35,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Computer floor","finding":"35 primary W spans and two N/S built-ups are modeled; E21 shows extensive north/south/end floor beams outside that graph.","next":"Transcribe E21 outer floor, intermediate and shaft framing from its own plan. Do not copy the 79 office templates.","audits":["computer-floor-primary-audit.md"],"sheet":"E21","sourceOverview":"floor-audit-source-crops/E21-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E21.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":22,"label":"Floor 22","slabDatumFt":582.25,"steelDatumFt":581.7916666666666,"yFt":270.9166666666667,"sourceId":"frankel-E22_23","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2},"corePrimaryErectionChecked":35,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Computer / belt floor","finding":"35 primary W spans, two N/S built-ups and belt braces are represented; floor-wide secondary and opening framing remain missing.","next":"Follow E22/23 Floor 22 labels and E122 belt connections; do not import the Floor 23 part-plan substitutions.","audits":["computer-floor-primary-audit.md","belt-frame-audit.md"],"sheet":"E22_23","sourceOverview":"floor-audit-source-crops/E22_23-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E22_23.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":23,"label":"Floor 23","slabDatumFt":597,"steelDatumFt":596.5416666666666,"yFt":285.6666666666667,"sourceId":"frankel-E22_23","taggedMemberCounts":{"perimeter-beam":58,"core-primary":34,"builtup":3},"corePrimaryErectionChecked":34,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Computer / belt floor","finding":"34 primary W spans and three built-ups include the distinct Floor 23 part plan. Five rolled members and MG371 retain local depressions.","next":"Complete outer floor and shaft framing; keep the 6in/14in depressed steel and actual N/S elevations distinct.","audits":["computer-floor-primary-audit.md"],"sheet":"E22_23","sourceOverview":"floor-audit-source-crops/E22_23-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E22_23.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":24,"label":"Floor 24","slabDatumFt":611.75,"steelDatumFt":611.2916666666666,"yFt":300.4166666666667,"sourceId":"frankel-E24","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":3,"corePrimaryRepeatedDesign":32,"complete":false,"use":"Office floor","finding":"3 of 35 modeled primary W records have an explicit erection-section check. 32 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Floor 24 keeps the earlier N/S built-up bays and beam-axis band.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E24","sourceOverview":"floor-audit-source-crops/E24-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E24.tif","westCrop":"floor-audit-source-crops/E24-west-core.png","westReadings":[{"id":"F24-interior-58-61","floor":24,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E24","sourceSheet":"E24","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E24-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F24-interior-59-62","floor":24,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E24","sourceSheet":"E24","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E24-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F24-interior-61-62","floor":24,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E24","sourceSheet":"E24","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E24-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":25,"label":"Floor 25","slabDatumFt":624.5,"steelDatumFt":624.0416666666666,"yFt":313.1666666666667,"sourceId":"frankel-E25","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Floor 25 starts the shifted N/S girder bays and six altered office beam axes.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E25","sourceOverview":"floor-audit-source-crops/E25-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E25.tif","westCrop":"floor-audit-source-crops/E25-west-core.png","westReadings":[{"id":"F25-interior-58-61","floor":25,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E25","sourceSheet":"E25","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E25-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F25-interior-59-62","floor":25,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E25","sourceSheet":"E25","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E25-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F25-interior-61-62","floor":25,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E25","sourceSheet":"E25","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E25-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F25-interior-58-61","floor":25,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E25","sourceSheet":"E25","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E25-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F25-interior-59-62","floor":25,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E25","sourceSheet":"E25","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E25-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":26,"label":"Floor 26","slabDatumFt":637.25,"steelDatumFt":636.7916666666666,"yFt":325.9166666666667,"sourceId":"frankel-E26_27","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E26_27","sourceOverview":"floor-audit-source-crops/E26_27-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E26_27.tif","westCrop":"floor-audit-source-crops/E26_27-west-core.png","westReadings":[{"id":"F26-interior-58-61","floor":26,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F26-interior-59-62","floor":26,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F26-interior-61-62","floor":26,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":27,"label":"Floor 27","slabDatumFt":650,"steelDatumFt":649.5416666666666,"yFt":338.6666666666667,"sourceId":"frankel-E26_27","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E26_27","sourceOverview":"floor-audit-source-crops/E26_27-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E26_27.tif","westCrop":"floor-audit-source-crops/E26_27-west-core.png","westReadings":[{"id":"F27-interior-58-61","floor":27,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F27-interior-59-62","floor":27,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F27-interior-61-62","floor":27,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F27-interior-58-61","floor":27,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F27-interior-59-62","floor":27,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E26_27","sourceSheet":"E26_27","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E26_27-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":28,"label":"Floor 28","slabDatumFt":662.75,"steelDatumFt":662.2916666666666,"yFt":351.4166666666667,"sourceId":"frankel-E28_29","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E28_29","sourceOverview":"floor-audit-source-crops/E28_29-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E28_29.tif","westCrop":"floor-audit-source-crops/E28_29-west-core.png","westReadings":[{"id":"F28-interior-58-61","floor":28,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F28-interior-59-62","floor":28,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F28-interior-61-62","floor":28,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":29,"label":"Floor 29","slabDatumFt":675.5,"steelDatumFt":675.0416666666666,"yFt":364.1666666666667,"sourceId":"frankel-E28_29","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E28_29","sourceOverview":"floor-audit-source-crops/E28_29-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E28_29.tif","westCrop":"floor-audit-source-crops/E28_29-west-core.png","westReadings":[{"id":"F29-interior-58-61","floor":29,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F29-interior-59-62","floor":29,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F29-interior-61-62","floor":29,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F29-interior-58-61","floor":29,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F29-interior-59-62","floor":29,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E28_29","sourceSheet":"E28_29","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E28_29-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":30,"label":"Floor 30","slabDatumFt":688.25,"steelDatumFt":687.7916666666666,"yFt":376.9166666666667,"sourceId":"frankel-E30_31","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E30_31","sourceOverview":"floor-audit-source-crops/E30_31-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E30_31.tif","westCrop":"floor-audit-source-crops/E30_31-west-core.png","westReadings":[{"id":"F30-interior-58-61","floor":30,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F30-interior-59-62","floor":30,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F30-interior-61-62","floor":30,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":31,"label":"Floor 31","slabDatumFt":701,"steelDatumFt":700.5416666666666,"yFt":389.6666666666667,"sourceId":"frankel-E30_31","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Use the explicitly redirected local part plan as well as the main panel.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E30_31","sourceOverview":"floor-audit-source-crops/E30_31-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E30_31.tif","westCrop":"floor-audit-source-crops/E30_31-west-core.png","westReadings":[{"id":"F31-interior-58-61","floor":31,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F31-interior-59-62","floor":31,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F31-interior-61-62","floor":31,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F31-interior-58-61","floor":31,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F31-interior-59-62","floor":31,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E30_31","sourceSheet":"E30_31","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E30_31-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":32,"label":"Floor 32","slabDatumFt":713.75,"steelDatumFt":713.2916666666666,"yFt":402.4166666666667,"sourceId":"frankel-E32_33","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E32_33","sourceOverview":"floor-audit-source-crops/E32_33-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E32_33.tif","westCrop":"floor-audit-source-crops/E32_33-west-core.png","westReadings":[{"id":"F32-interior-58-61","floor":32,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F32-interior-59-62","floor":32,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F32-interior-61-62","floor":32,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":33,"label":"Floor 33","slabDatumFt":726.5,"steelDatumFt":726.0416666666666,"yFt":415.1666666666667,"sourceId":"frankel-E32_33","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E32_33","sourceOverview":"floor-audit-source-crops/E32_33-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E32_33.tif","westCrop":"floor-audit-source-crops/E32_33-west-core.png","westReadings":[{"id":"F33-interior-58-61","floor":33,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F33-interior-59-62","floor":33,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F33-interior-61-62","floor":33,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F33-interior-58-61","floor":33,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F33-interior-59-62","floor":33,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E32_33","sourceSheet":"E32_33","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E32_33-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":34,"label":"Floor 34","slabDatumFt":739.25,"steelDatumFt":738.7916666666666,"yFt":427.9166666666667,"sourceId":"frankel-E34_35","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E34_35","sourceOverview":"floor-audit-source-crops/E34_35-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E34_35.tif","westCrop":"floor-audit-source-crops/E34_35-west-core.png","westReadings":[{"id":"F34-interior-58-61","floor":34,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F34-interior-59-62","floor":34,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F34-interior-61-62","floor":34,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":35,"label":"Floor 35","slabDatumFt":752,"steelDatumFt":751.5416666666666,"yFt":440.6666666666667,"sourceId":"frankel-E34_35","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E34_35","sourceOverview":"floor-audit-source-crops/E34_35-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E34_35.tif","westCrop":"floor-audit-source-crops/E34_35-west-core.png","westReadings":[{"id":"F35-interior-58-61","floor":35,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F35-interior-59-62","floor":35,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F35-interior-61-62","floor":35,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F35-interior-58-61","floor":35,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F35-interior-59-62","floor":35,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E34_35","sourceSheet":"E34_35","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E34_35-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":36,"label":"Floor 36","slabDatumFt":764.75,"steelDatumFt":764.2916666666666,"yFt":453.4166666666667,"sourceId":"frankel-E36_37","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E36_37","sourceOverview":"floor-audit-source-crops/E36_37-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E36_37.tif","westCrop":"floor-audit-source-crops/E36_37-west-core.png","westReadings":[{"id":"F36-interior-58-61","floor":36,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F36-interior-59-62","floor":36,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F36-interior-61-62","floor":36,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":37,"label":"Floor 37","slabDatumFt":777.5,"steelDatumFt":777.0416666666666,"yFt":466.1666666666667,"sourceId":"frankel-E36_37","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Use the explicitly redirected local part plan as well as the main panel.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E36_37","sourceOverview":"floor-audit-source-crops/E36_37-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E36_37.tif","westCrop":"floor-audit-source-crops/E36_37-west-core.png","westReadings":[{"id":"F37-interior-58-61","floor":37,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F37-interior-59-62","floor":37,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F37-interior-61-62","floor":37,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F37-interior-58-61","floor":37,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F37-interior-59-62","floor":37,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E36_37","sourceSheet":"E36_37","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E36_37-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":38,"label":"Floor 38","slabDatumFt":790.25,"steelDatumFt":789.7916666666666,"yFt":478.9166666666667,"sourceId":"frankel-E38_39","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Keep WG55’s E38/39 W36×194 corroboration; review remaining local alterations.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E38_39","sourceOverview":"floor-audit-source-crops/E38_39-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E38_39.tif","westCrop":"floor-audit-source-crops/E38_39-west-core.png","westReadings":[{"id":"F38-interior-58-61","floor":38,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F38-interior-59-62","floor":38,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F38-interior-61-62","floor":38,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":39,"label":"Floor 39","slabDatumFt":803,"steelDatumFt":802.5416666666666,"yFt":491.6666666666667,"sourceId":"frankel-E38_39","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Keep WG55’s E38/39 W36×194 corroboration; review remaining local alterations.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E38_39","sourceOverview":"floor-audit-source-crops/E38_39-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E38_39.tif","westCrop":"floor-audit-source-crops/E38_39-west-core.png","westReadings":[{"id":"F39-interior-58-61","floor":39,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F39-interior-59-62","floor":39,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F39-interior-61-62","floor":39,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F39-interior-58-61","floor":39,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F39-interior-59-62","floor":39,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E38_39","sourceSheet":"E38_39","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E38_39-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":40,"label":"Floor 40","slabDatumFt":815.75,"steelDatumFt":815.2916666666666,"yFt":504.4166666666667,"sourceId":"frankel-E40_41","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E40_41","sourceOverview":"floor-audit-source-crops/E40_41-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E40_41.tif","westCrop":"floor-audit-source-crops/E40_41-west-core.png","westReadings":[{"id":"F40-interior-58-61","floor":40,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F40-interior-59-62","floor":40,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png","analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-59-62-label.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F40-interior-61-62","floor":40,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":41,"label":"Floor 41","slabDatumFt":828.5,"steelDatumFt":828.0416666666666,"yFt":517.1666666666667,"sourceId":"frankel-E40_41","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E40_41","sourceOverview":"floor-audit-source-crops/E40_41-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E40_41.tif","westCrop":"floor-audit-source-crops/E40_41-west-core.png","westReadings":[{"id":"F41-interior-58-61","floor":41,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F41-interior-59-62","floor":41,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png","analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-59-62-label.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F41-interior-61-62","floor":41,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F41-interior-58-61","floor":41,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F41-interior-59-62","floor":41,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E40_41","sourceSheet":"E40_41","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-west-core.png","analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E40_41-59-62-label.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":42,"label":"Floor 42","slabDatumFt":841.25,"steelDatumFt":840.7916666666666,"yFt":529.9166666666667,"sourceId":"frankel-E42_43","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E42_43","sourceOverview":"floor-audit-source-crops/E42_43-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E42_43.tif","westCrop":"floor-audit-source-crops/E42_43-west-core.png","westReadings":[{"id":"F42-interior-58-61","floor":42,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F42-interior-59-62","floor":42,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png","analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-59-62-label.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F42-interior-61-62","floor":42,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":43,"label":"Floor 43","slabDatumFt":854,"steelDatumFt":853.5416666666666,"yFt":542.6666666666667,"sourceId":"frankel-E42_43","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E42_43","sourceOverview":"floor-audit-source-crops/E42_43-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E42_43.tif","westCrop":"floor-audit-source-crops/E42_43-west-core.png","westReadings":[{"id":"F43-interior-58-61","floor":43,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F43-interior-59-62","floor":43,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png","analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-59-62-label.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F43-interior-61-62","floor":43,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F43-interior-58-61","floor":43,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F43-interior-59-62","floor":43,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E42_43","sourceSheet":"E42_43","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-west-core.png","analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E42_43-59-62-label.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":44,"label":"Floor 44","slabDatumFt":866.75,"steelDatumFt":866.2916666666666,"yFt":555.4166666666667,"sourceId":"frankel-E44_45","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E44_45","sourceOverview":"floor-audit-source-crops/E44_45-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E44_45.tif","westCrop":"floor-audit-source-crops/E44_45-west-core.png","westReadings":[{"id":"F44-interior-58-61","floor":44,"fromColumn":"58","toColumn":"61","designation":"W24X55","beforeAuditDesignation":"W24X55","sectionChanged":false,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F44-interior-59-62","floor":44,"fromColumn":"59","toColumn":"62","designation":"W21X44","beforeAuditDesignation":"W21X44","sectionChanged":false,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F44-interior-61-62","floor":44,"fromColumn":"61","toColumn":"62","designation":"W18X40","beforeAuditDesignation":"W18X40","sectionChanged":false,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":45,"label":"Floor 45","slabDatumFt":879.5,"steelDatumFt":879.0416666666666,"yFt":568.1666666666667,"sourceId":"frankel-E44_45","taggedMemberCounts":{"perimeter-beam":58,"core-primary":35,"builtup":2,"office":79},"corePrimaryErectionChecked":10,"corePrimaryRepeatedDesign":25,"complete":false,"use":"Office floor","finding":"10 of 35 modeled primary W records have an explicit erection-section check. 25 still repeat S8 design. All 79 office spans still need complete tier-by-tier section/detail reconciliation.","next":"Audit the remaining core spans and every office span against this erection sheet; trace stair, shaft and small end-bay infill without bridging openings. Use the explicitly redirected local part plan as well as the main panel.","audits":["interior-framing-audit.md","office-framing-audit.md"],"sheet":"E44_45","sourceOverview":"floor-audit-source-crops/E44_45-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E44_45.tif","westCrop":"floor-audit-source-crops/E44_45-west-core.png","westReadings":[{"id":"F45-interior-58-61","floor":45,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F45-interior-59-62","floor":45,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F45-interior-61-62","floor":45,"fromColumn":"61","toColumn":"62","designation":"W16X40","beforeAuditDesignation":"W18X40","sectionChanged":true,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"corrections":[{"id":"F45-interior-58-61","floor":45,"fromColumn":"58","toColumn":"61","designation":"W27X161","beforeAuditDesignation":"W24X55","sectionChanged":true,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F45-interior-59-62","floor":45,"fromColumn":"59","toColumn":"62","designation":"W24X76","beforeAuditDesignation":"W21X44","sectionChanged":true,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."},{"id":"F45-interior-61-62","floor":45,"fromColumn":"61","toColumn":"62","designation":"W16X40","beforeAuditDesignation":"W18X40","sectionChanged":true,"sourceId":"frankel-E44_45","sourceSheet":"E44_45","sourceCrops":["analysis/wtc7-blueprint-reconstruction/floor-audit-source-crops/E44_45-west-core.png"],"verificationStatus":"section-and-connected-column-pair-checked-on-this-floor-erection-plan","note":"Native floor-specific label and connected column pair checked in the west core. Stair/shaft secondary steel, local flange cuts, camber, end connections and tier-local workpoint eccentricities are not certified by this section check."}],"reviewScope":"Fresh native three-span west-core check plus integrated inventory; other-system findings carried from cited audits."},{"floor":46,"label":"Floor 46","slabDatumFt":893.75,"steelDatumFt":893.2916666666666,"yFt":582.4166666666667,"sourceId":"frankel-e46","taggedMemberCounts":{"perimeter-beam":58,"core-primary":34,"builtup":2,"upper-local":4},"corePrimaryErectionChecked":34,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Setback / cooling level","finding":"All 34 S12 primary W column-pair spans match native E46 section labels and drawn connections. Two MG61s, 4 shop-verified north-strip beams and a separate cooling support frame with 68 beams and 21 tubular posts are modeled. E46 dimensions A4474/W36×170 9′7″ east of P55; its north-to-core span matches shop 4474/A. The 12 sloping W14×109 roof-front worklines start at the Floor 46 reference plane. S12 identifies NEW W14×26 and W16×26 steel and cut/shoring instructions at C68–69, but not unique paired endpoints. The current model correctly omits a straight C68–69 primary span; the local opening assembly remains incomplete.","next":"Resolve the revised C68–69 opening and MG61 datum, and add actual E46 outer beams and cooling braces from their own details.","audits":["interior-framing-audit.md","f46-opening-audit.md","cooling-frame-audit.md","upper-local-frame-audit.md","roof-front-frame-audit.md"],"sheet":"e46","sourceOverview":"floor-audit-source-crops/e46-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/e46.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":47,"label":"Floor 47","slabDatumFt":906.5,"steelDatumFt":906.0416666666666,"yFt":595.1666666666667,"sourceId":"frankel-e47","taggedMemberCounts":{"core-primary":21,"roof":60,"builtup":1,"upper-local":1,"f47-local":2},"corePrimaryErectionChecked":21,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Mechanical floor","finding":"All 21 modeled E47 primary W spans match native E47 section labels and named-column connections. One built-up, 2 shop-verified local shaft beams and the A4452/W24×76 north-strip beam are also modeled. E47 measures A4452 10′2½″ east of P55; its 52′9″ north-to-core workline matches shop 4452. All 58 Floor 47 wind-girder bays and four corner joins match native E47/S13 section and topology strips. 12 W8×24 roof-front ties cross the sloping supports at this level; 11 TS12×6×½ outer bays have E47 marks and shop lengths but lack transverse centerlines and physical end workpoints, so they remain unrendered. Much exterior office area is explicitly FUTURE framing.","next":"Preserve FUTURE areas; trace actual tank, equipment, opening and remaining north-strip framing. Resolve the raised-beam 0.5in datum discrepancy and the outer tube workpoints.","audits":["interior-framing-audit.md","f47-primary-frame-reconciliation.md","f47-local-frame-audit.md","roof-front-frame-audit.md","upper-local-frame-audit.md"],"sheet":"e47","sourceOverview":"floor-audit-source-crops/e47-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/e47.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."},{"floor":48,"label":"Roof","slabDatumFt":921.3333333333334,"steelDatumFt":920.625,"yFt":610,"sourceId":"frankel-E48","taggedMemberCounts":{"core-primary":37,"roof":60,"upper-local":21},"corePrimaryErectionChecked":37,"corePrimaryRepeatedDesign":0,"complete":false,"use":"Roof / bulkheads","finding":"All 37 modeled E48 primary W spans match native roof-plan section labels and named-column topology. The S18 roof band matches all 58 perimeter column cells: 46 sized tiers and 12 intentional blanks above the south setback. All 58 roof wind-girder bay sections and four corner joins match native E48/S14 plan strips. 21 shop-verified local beams are modeled: 8 east-side secondaries, 2 southeast D/G4495 secondaries, the A4243 diagonal, 4 west-side secondaries, the H4483/B4471 west supports and four north-strip girders. The east P27 roof return section is corrected to W18×35 from S-14/shop 4275. H4483's physical overall is 0.642 inch shorter than its registered support-axis span. B4471's shop overall is 2.205 inches shorter than its E48 north-girder-to-D4485 support-axis span; both physical end clearances remain open. The perimeter, inset and bulkhead systems are also modeled. The west bulkhead's 16 main roof beams match the S-16/E48 plan sections and connections. The 12 sloping W14×109 front supports reach the roof reference datum; their fabrication joint cuts remain open. E48 has additional outer, opening, trolley and local roof members beyond these bounded packages.","next":"Resolve B/C4495 west stations; complete E48 secondary and bulkhead framing; register the eleven outer tubes and roof-front connection workpoints, and trace remaining cooling braces and local roof cuts.","audits":["roof-frame-audit.md","bulkhead-frame-reconciliation.md","bulkhead-local-steel-pending-audit.md","roof-perimeter-column-audit.md","roof-primary-frame-audit.md","roof-front-frame-audit.md","upper-local-frame-audit.md","cooling-frame-audit.md"],"sheet":"E48","sourceOverview":"floor-audit-source-crops/E48-overview.png","sourcePath":"sources/wtc7/drawings/expanded-releases/12-009/NIST_WTC7_FOIA_12-009/NIST_WTC7_FOIA_12-009_WTC7_E_Sheets/E Sheets/7WTC - E1/E48.tif","westCrop":null,"westReadings":[],"corrections":[],"reviewScope":"Fresh erection-plan overview / integrated-inventory comparison plus cited detailed audits. Member-by-member floor transcription remains open."}],"westCoreFindings":{"floors":35,"erectionSheets":19,"readings":105,"sectionCorrections":31}}