Printed values, calculations, image traces and observed counts are different kinds of evidence. “Verified” applies to the specific reading—not to the whole room or model.
f6-f7-stair-e-upper-diagnostic-placementverified · calculated
W226 Stair E seventh-floor local datum
80.0 ft local (173.25 - 93.25)80 ft
Regional Stair E datum; 1.5 feet above the current generic Main/sixth-elevation level-7 plane and 0.5 feet below the Madison regional reference.
IMG_1118 · sheet-W226 · Locate on drawing ↗Drawing notation: 2ND, 3RD, 4TH, 5TH & 6TH FLOOR PLANS / 7TH FLOOR PLAN / 7'-10 1/2" / DOWN 20 RISERS / UP 20 RISERS / DOWN 22 RISERS / UP 20 RISERS
Upper-story plan and datum controls; no metric X/Z transform is accepted.
IMG_1122 · sheet-W228 · Locate on drawing ↗Drawing notation: TYPICAL SECTION OF LANDINGS WHERE TWO RISERS OCCUR / ELEVATION WHERE TWO RISERS OCCUR IN LANDING
Candidate two-riser landing construction only; storey applicability is not printed.
Calculated from: w226-seventh-floor-finish-elevation, w226-first-floor-finish-elevation
f7-f8-stair-e-upper-diagnostic-placementverified · calculated
W226 Stair E eighth-floor local datum
92.0 ft local (185.25 - 93.25)92 ft
W226 regional Stair E datum converted to the project first-floor local datum.
IMG_1118 · sheet-W226 · Locate on drawing ↗Drawing notation: 2ND, 3RD, 4TH, 5TH & 6TH FLOOR PLANS / 7TH FLOOR PLAN / 7'-10 1/2" / DOWN 20 RISERS / UP 20 RISERS / DOWN 22 RISERS / UP 20 RISERS
Upper-story plan and datum controls; no metric X/Z transform is accepted.
IMG_1122 · sheet-W228 · Locate on drawing ↗Drawing notation: TYPICAL SECTION OF LANDINGS WHERE TWO RISERS OCCUR / ELEVATION WHERE TWO RISERS OCCUR IN LANDING
Candidate two-riser landing construction only; storey applicability is not printed.
Calculated from: w226-eighth-floor-finish-elevation, w226-first-floor-finish-elevation
stair-e-upper-diagnostic-envelopeunreviewed · calculated
Typical level-2-through-6 diagnostic riser height
6.9 in (11.5 ft / 20)0.575 ft
Each current project reference interval from levels 2 through 6 is 11.5 feet. W226 prints 20 risers; the result is used only for analytical surfaces.
IMG_1118 · sheet-W226 · Locate on drawing ↗Drawing notation: 2ND, 3RD, 4TH, 5TH & 6TH FLOOR PLANS / 7TH FLOOR PLAN / 7'-10 1/2" / DOWN 20 RISERS / UP 20 RISERS / DOWN 22 RISERS / UP 20 RISERS
Upper-story plan and datum controls; no metric X/Z transform is accepted.
IMG_1122 · sheet-W228 · Locate on drawing ↗Drawing notation: TYPICAL SECTION OF LANDINGS WHERE TWO RISERS OCCUR / ELEVATION WHERE TWO RISERS OCCUR IN LANDING
Candidate two-riser landing construction only; storey applicability is not printed.
Calculated from: w226-typical-up-riser-count, frame-second-floor-finish, env-sixth-F3-level, env-sixth-F4-level, env-sixth-F5-level, frame-sixth-floor-finish
f6-f7-stair-e-upper-diagnostic-placementunreviewed · calculated
Level-6-to-regional-level-7 diagnostic riser height
7.0909 in (13 ft / 22)0.590909 ft
Uses the 22-riser seventh-floor down count. The sixth-floor up-20 count is retained as the ordinary-flight count; W228's two-riser landing is a candidate reconciliation only.
IMG_1118 · sheet-W226 · Locate on drawing ↗Drawing notation: 2ND, 3RD, 4TH, 5TH & 6TH FLOOR PLANS / 7TH FLOOR PLAN / 7'-10 1/2" / DOWN 20 RISERS / UP 20 RISERS / DOWN 22 RISERS / UP 20 RISERS
Upper-story plan and datum controls; no metric X/Z transform is accepted.
IMG_1122 · sheet-W228 · Locate on drawing ↗Drawing notation: TYPICAL SECTION OF LANDINGS WHERE TWO RISERS OCCUR / ELEVATION WHERE TWO RISERS OCCUR IN LANDING
Candidate two-riser landing construction only; storey applicability is not printed.
Calculated from: w226-f6-f7-vertical-interval, w226-seventh-down-riser-count
f7-f8-stair-e-upper-diagnostic-placementverified · calculated
Regional-level-7-to-level-8 diagnostic riser height
7.2 in (12 ft / 20)0.6 ft
Calculated from W226 printed regional datums and printed 20-riser count; physical profiles and placement remain unresolved.
IMG_1118 · sheet-W226 · Locate on drawing ↗Drawing notation: 2ND, 3RD, 4TH, 5TH & 6TH FLOOR PLANS / 7TH FLOOR PLAN / 7'-10 1/2" / DOWN 20 RISERS / UP 20 RISERS / DOWN 22 RISERS / UP 20 RISERS
Upper-story plan and datum controls; no metric X/Z transform is accepted.
IMG_1122 · sheet-W228 · Locate on drawing ↗Drawing notation: TYPICAL SECTION OF LANDINGS WHERE TWO RISERS OCCUR / ELEVATION WHERE TWO RISERS OCCUR IN LANDING
Candidate two-riser landing construction only; storey applicability is not printed.
Calculated from: w226-f7-f8-vertical-interval, w226-seventh-up-riser-count
f4-f5-stair-e-physical-intermediate-landing-candidateunreviewed · inferred
closed finite landing polygon in canonical X/Z
METAL LANDINGNumeric value unresolved
material/class known, boundary and support dimensions missing. Candidate only; no accepted physical flight, landing, shaft or floor cut.
IMG_1118 · sheet-W226 · Locate on drawing ↗Drawing notation: METAL LANDING
material/class known, boundary and support dimensions missing; reused evidence: reused stair-e-w226-upper-stories-first.json; no image reopened
IMG_1122 · sheet-W228 · Locate on drawing ↗Drawing notation: METAL LANDING
material/class known, boundary and support dimensions missing; reused evidence: reused stair-w228-typical-details-first.json; type construction only, not site placement
stair-w228-wall-handrail-bracketverified · printed
handrail_section_diameter
2"2 in
Printed diameter across circular handrail section; generic profile, not installed rail length.
stair-w228-wall-handrail-bracketverified · printed
bracket_material
BRONZELeaders identify bracket arm/saddle as bronze; does not assign rail material.
stair-w228-wall-handrail-bracketverified · printed
rail_material_alternatives
WOOD OR METALFront elevation labels rail alternatives; assignment remains governed by stair/storey note.
stair-w228-wall-handrail-bracketverified · printed
stair_A_handrail_material_rule
BRONZE: STAIR 'A' BAST. TO 2ND FLOORPrinted rule applies basement through second floor of Stair A.
stair-w228-wall-handrail-bracketverified · printed
stair_C_upper_handrail_material_rule
BRONZE: STAIR 'C' 1ST FLOOR TO 2ND FLOORPrinted rule; does not infer continuation above second floor.
stair-w228-wall-handrail-bracketverified · printed
stair_C_lower_handrail_material_rule
WOOD: STAIR 'C' BAST. TO 1ST FLOORSeparate storey rule preserves change of material.
stair-w228-wall-handrail-bracketverified · printed
stairs_F_G_handrail_material_rule
WOOD: STAIRS 'F' & 'G' 6TH TO 7TH FLOORSPrinted F/G rule; no rule assigned to other stairs from omission.
stair-w228-bde-rail-profile-registerverified · printed
flight_rail_vertical_witness
2'-10"34 in
Vertical witness in typical B/D/E landing/riser detail. Exact sloping-rail and tread/nosing endpoint interpretation remains unresolved; not a universal whole-building handrail height.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 2'-10"
Vertical witness in typical B/D/E landing/riser detail. Exact sloping-rail and tread/nosing endpoint interpretation remains unresolved; not a universal whole-building handrail height.
stair-w228-bde-rail-profile-registerverified · printed
landing_newel_vertical_witness
3'-0"36 in
Witness in B/D/E newel-posts-at-landings section, from finish landing region to shoulder below cap. Cap height and rail-top height differ; no universal3-ft rail rule adopted.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 3'-0"
Witness in B/D/E newel-posts-at-landings section, from finish landing region to shoulder below cap. Cap height and rail-top height differ; no universal3-ft rail rule adopted.
stair-w228-bde-rail-profile-registerunreviewed · printed
newel_square_nominal_side
4" SQ NEWEL4 in
Typical newel nominal square side; section construction, metal thickness and profile recess dimensions unresolved.
stair-w228-bde-rail-profile-registerunreviewed · printed
handrail_tubing_fraction_unresolved
HAND RAIL [fraction] STL TUBING - SQUARE / CAST IRON CAPNumeric value unresolved
Fine fraction and division between handrail/newel/cap callouts not securely read; no section dimension adopted.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: HAND RAIL [fraction] STL TUBING - SQUARE / CAST IRON CAP
Fine fraction and division between handrail/newel/cap callouts not securely read; no section dimension adopted.
stair-w228-bde-rail-profile-registerverified · printed
landing_elevation_newel_below_finish_floor_source_projection
1′5″17 in
Landing elevation left continuation witness from finish-floor line to lower drawn newel end before terminal rounded profile. Source-local projection only; not a cap offset or installed depth.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 1′5″
Landing elevation left continuation witness from finish-floor line to lower drawn newel end before terminal rounded profile. Source-local projection only; not a cap offset or installed depth.
stair-w228-bde-rail-profile-registerverified · observed
landing_elevation_and_section_lower_reference_distinction
3′2″ FINISH FLOOR LINE OF LANDING / 3′0″ section safety-tread surface38in elevation begins at labelled finish-floor line;36in section begins at top drawn safety-tread surface; both upper witnesses meet cap-base shoulders. Different views/endpoint classes remain separate. Neither a same-note transcription error nor a historical revision is demonstrated. Do not subtract or average to establish2in finish thickness.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 3′2″ FINISH FLOOR LINE OF LANDING / 3′0″ section safety-tread surface
38in elevation begins at labelled finish-floor line;36in section begins at top drawn safety-tread surface; both upper witnesses meet cap-base shoulders. Different views/endpoint classes remain separate. Neither a same-note transcription error nor a historical revision is demonstrated. Do not subtract or average to establish2in finish thickness.
Calculated from: stair-fine1013e-img_1122-m021, stair-fine1013e-img_1122-m022, stair-closeout1013a-img_1122-m026, stair-companion1013b-img_1265-m028
stair-w228-bde-rail-profile-registerunreviewed · printed
complete_cap_tip_height_unresolved
[cap bulb extends above shoulder; no total cap-tip height certified]Numeric value unresolved
Cap-tip-to-floor dimension not established by38in/36in shoulder witnesses. Full moulding heights and offsets remain unreviewed.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: [cap bulb extends above shoulder; no total cap-tip height certified]
Cap-tip-to-floor dimension not established by38in/36in shoulder witnesses. Full moulding heights and offsets remain unreviewed.
stair-w228-fgh-floor-profile-registerverified · printed
newel_left_centerline_half_witness
2″2 in
F/G at7th and H at1st typical profile: source dimension from left newel boundary reference to newel centreline; not tubing wall thickness.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 2″
F/G at7th and H at1st typical profile: source dimension from left newel boundary reference to newel centreline; not tubing wall thickness.
stair-w228-fgh-floor-profile-registerverified · printed
newel_right_centerline_half_witness
2″2 in
Separate right half of same newel centreline chain. F/G/H profile applicability reused; no general B/D/E newel substitution.
stair-w228-fgh-floor-profile-registerverified · observed
finish_floor_and_profile_support_relationship
FIN. FLOOR [ornamental stepped profile passes floor edge with hatched structural support behind]Correct F/G/H typical profile now reached. Floor-surface reference, ornament and beam/support section distinguishable; complete profile thickness/material-code attribution unreviewed.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: FIN. FLOOR [ornamental stepped profile passes floor edge with hatched structural support behind]
Correct F/G/H typical profile now reached. Floor-surface reference, ornament and beam/support section distinguishable; complete profile thickness/material-code attribution unreviewed.
stair-w228-fgh-floor-profile-registerunreviewed · printed
complete_profile_thicknesses_unresolved
[moulding offsets, facing thickness and support interface not numerically certified]Numeric value unresolved
Source now reviewed in correct region, but two2in half-witnesses do not recover complete cap/string/finish profile.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: [moulding offsets, facing thickness and support interface not numerically certified]
Source now reviewed in correct region, but two2in half-witnesses do not recover complete cap/string/finish profile.
stair-w228-bde-rail-profile-registerverified · printed
landing_elevation_floor_to_cap_shoulder_witness
3′2″38 in
Neighbor ELEVATION BETWEEN NEWEL POSTS AT LANDINGS FOR STAIRS B,D,E. Lower extension is finish-floor line of landing; upper is base shoulder of bulbous newel cap. Separate from earlier3ft shoulder witness in the sectional detail; applicability/endpoint difference not resolved.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 3′2″
Neighbor ELEVATION BETWEEN NEWEL POSTS AT LANDINGS FOR STAIRS B,D,E. Lower extension is finish-floor line of landing; upper is base shoulder of bulbous newel cap. Separate from earlier3ft shoulder witness in the sectional detail; applicability/endpoint difference not resolved.
stair-w228-bde-rail-profile-registerverified · observed
landing_elevation_cap_shoulder_endpoint_class
[3′2″ upper extension meets cap-base shoulder below bulb; lower extension meets FINISH FLOOR LINE OF LANDING]Endpoint classification only. Do not rename this rail-top or total newel-tip height;3ft earlier section stays separately recorded.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: [3′2″ upper extension meets cap-base shoulder below bulb; lower extension meets FINISH FLOOR LINE OF LANDING]
Endpoint classification only. Do not rename this rail-top or total newel-tip height;3ft earlier section stays separately recorded.
stair-w228-bde-rail-profile-registerunreviewed · printed
landing_panel_horizontal_variable_span
VARIESNumeric value unresolved
Horizontal dimension between landing-elevation newel/profile references; distinct from inclined base-rail-to-tread vertical VARIES. No station or numeric installation span given.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: VARIES
Horizontal dimension between landing-elevation newel/profile references; distinct from inclined base-rail-to-tread vertical VARIES. No station or numeric installation span given.
stair-w228-bde-rail-profile-registerverified · observed
inclined_base_rail_variable_offset_disposition
2′10″ + VARIES [separate vertical offset reaches tread region below inclined base-rail reference]Whole1122 locator independently preserves variable offset relationship already recorded on1265. Exact inner/outer base-rail face remains unresolved; no new34in reading and no tread-to-handrail height authored.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 2′10″ + VARIES [separate vertical offset reaches tread region below inclined base-rail reference]
Whole1122 locator independently preserves variable offset relationship already recorded on1265. Exact inner/outer base-rail face remains unresolved; no new34in reading and no tread-to-handrail height authored.
Calculated from: stair-companion1013b-img_1265-m025, stair-endpoint1013d-img_1265-m042
stair-w228-bde-rail-profile-registerunreviewed · observed
inclined_base_rail_exact_reference_face_unresolved
VARIES [paired base-rail profile edges remain without certified face selection]Numeric value unresolved
Locator supports edge multiplicity but cannot distinguish controlling inner/outer rail face numerically; dedicated fine crop/companion still needed.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: VARIES [paired base-rail profile edges remain without certified face selection]
Locator supports edge multiplicity but cannot distinguish controlling inner/outer rail face numerically; dedicated fine crop/companion still needed.
stair-w228-bde-rail-profile-registerverified · printed
newel_leader_source_wording_clarification
NEWEL — 3/16″ STEEL TUBING — 4″ SQUARE — CAST IRON CAPSame1122 vertical leader explicitly names NEWEL. Reuses canonical3/16in tubing/control and separate steel/cast-iron components; no new numeric value. Prior handrail-fraction question remains unresolved, since this is a newel-body clause.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: NEWEL — 3/16″ STEEL TUBING — 4″ SQUARE — CAST IRON CAP
Same1122 vertical leader explicitly names NEWEL. Reuses canonical3/16in tubing/control and separate steel/cast-iron components; no new numeric value. Prior handrail-fraction question remains unresolved, since this is a newel-body clause.
Calculated from: stair-closeout1013a-img_1122-m028, stairbuild1013f-img_1265-m022, stairbuild1013f-img_1265-m023, stairbuild1013f-img_1265-m024
stair-w228-bde-rail-profile-registerunreviewed · observed
handrail_section_fraction_still_unresolved
[NEWEL tubing thickness does not certify adjacent handrail cross-section]Numeric value unresolved
Handrail cross-section, wall thickness/solid section and cap/joint interface remain unmeasured. No closure of stair-closeout1013a-img_1122-m028 by a differently assigned noun.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: [NEWEL tubing thickness does not certify adjacent handrail cross-section]
Handrail cross-section, wall thickness/solid section and cap/joint interface remain unmeasured. No closure of stair-closeout1013a-img_1122-m028 by a differently assigned noun.
Calculated from: stair-closeout1013a-img_1122-m028
detail-w228-staira-c-upper-left-constructionverified · printed
upper_tread_horizontal_source_witness
10½″10.5 in
Upper horizontal witness in A/C typical section. Source-local token only; finish-riser/nosing and rough-support endpoints not yet fully classified. Distinct exposure from prior IMG1265 candidate10in; no cross-exposure correction or accepted tread going.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 10½″
Upper horizontal witness in A/C typical section. Source-local token only; finish-riser/nosing and rough-support endpoints not yet fully classified. Distinct exposure from prior IMG1265 candidate10in; no cross-exposure correction or accepted tread going.
Calculated from: stair-20261012m-img_1265-m7
detail-w228-staira-c-upper-left-constructionverified · printed
marble_tread_vertical_source_witness
1½″1.5 in
Vertical witness beside the horizontal MARBLE tread facing in upper-left section. Does not establish riser facing/string/window thickness, full fabrication profile or installed finish extents.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 1½″
Vertical witness beside the horizontal MARBLE tread facing in upper-left section. Does not establish riser facing/string/window thickness, full fabrication profile or installed finish extents.
Calculated from: stair-20261012m-img_1265-m5
detail-w228-staira-c-upper-left-constructionverified · observed
tile_leader_layer_relationship
TILE [leader reaches hatched layer above the inclined plate-string/support region]TILE leader points into the hatched layer behind inclined facing. Printed material rules reused; hatching/leader does not establish product, thickness, fastening or exact installed scope.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: TILE [leader reaches hatched layer above the inclined plate-string/support region]
TILE leader points into the hatched layer behind inclined facing. Printed material rules reused; hatching/leader does not establish product, thickness, fastening or exact installed scope.
Calculated from: stair-20261012m-img_1265-m6
closure1011z-w228-ac-window-sectionverified · printed
window_plate_string_printed_depth
10″ × ¼″ PLATE STRING10 in
Source1122 window leader specifies10in plate-string depth and¼in thickness separately. Prior1265 reading10 GA is preserved as different-exposure disagreement pending same-glyph reinspection; no gauge conversion or physical profile approval.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 10″ × ¼″ PLATE STRING
Source1122 window leader specifies10in plate-string depth and¼in thickness separately. Prior1265 reading10 GA is preserved as different-exposure disagreement pending same-glyph reinspection; no gauge conversion or physical profile approval.
Calculated from: closure1011z-img1265-string-gauge
Conflicting readings: closure1011z-img1265-string-gauge
closure1011z-w228-ac-window-sectionverified · printed
window_plate_string_printed_thickness
10″ × ¼″ PLATE STRING0.25 in
Quarter-inch term in the same1122 window plate-string clause, separate from marble-string thickness and10in channel. Cross-source10 GA reading remains preserved; different source does not authorize withdrawal.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: 10″ × ¼″ PLATE STRING
Quarter-inch term in the same1122 window plate-string clause, separate from marble-string thickness and10in channel. Cross-source10 GA reading remains preserved; different source does not authorize withdrawal.
Calculated from: closure1011z-img1265-string-gauge
Conflicting readings: closure1011z-img1265-string-gauge
closure1011z-w228-ac-window-sectionunreviewed · observed
window_plate_string_metal_material_unresolved
PLATE STRING [metal composition not independently labelled in this leader]Plate-string designation and dimension do not establish steel/iron material or grade; assembly catalogue legend is not a component material assignment.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: PLATE STRING [metal composition not independently labelled in this leader]
Plate-string designation and dimension do not establish steel/iron material or grade; assembly catalogue legend is not a component material assignment.
closure1011z-w228-ac-window-sectionillegible · printed
window_lower_channel_profile_width_unresolved
[small lower flange/profile fraction not certified]Numeric value unresolved
Lower cross-section flange/body witness at window section remains uncertified. Existing10in channel depth and1in marble string are reused, not substituted for this width.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: [small lower flange/profile fraction not certified]
Lower cross-section flange/body witness at window section remains uncertified. Existing10in channel depth and1in marble string are reused, not substituted for this width.
Calculated from: closure1011z-img1265-window-channel-depth, closure1011z-img1265-marble-string-thickness
stair-w228-typical-detail-registerverified · printed
material_code_brick
BRICKPrinted source material-code legend entry only. Pattern-to-component assignments require matching each actual drawn hatch/leader and governing section; no installation material or quantity inferred.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: BRICK
Printed source material-code legend entry only. Pattern-to-component assignments require matching each actual drawn hatch/leader and governing section; no installation material or quantity inferred.
stair-w228-typical-detail-registerverified · printed
material_code_stone
STONEPrinted source material-code legend entry only. Pattern-to-component assignments require matching each actual drawn hatch/leader and governing section; no installation material or quantity inferred.
IMG_1122 · W-228 · Locate on drawing ↗Drawing notation: STONE
Printed source material-code legend entry only. Pattern-to-component assignments require matching each actual drawn hatch/leader and governing section; no installation material or quantity inferred.