Object: Penthouse floors, sheave service landings and fan-room floor slab specification
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.
structure-20261012b-penthouse-slab-ruleverified · printed
slab_scope
SLABS FOR ALL PENT HOUSE FLOORS, SHEAVE SERVICE LANDINGS & FAN ROOM FLOORSPrinted application categories; individual instances unregistered.
IMG_1327 · W-413 · Locate on drawing ↗Drawing notation: SLABS FOR ALL PENT HOUSE FLOORS, SHEAVE SERVICE LANDINGS & FAN ROOM FLOORS
Printed application categories; individual instances unregistered.
structure-20261012b-penthouse-slab-ruleverified · printed
short_span_upper_limit
UP TO & INCLUDING 8′-0″ SPANS96 in
Threshold qualifies 4-inch slab rule, not room span.
structure-20261012b-penthouse-slab-ruleverified · printed
short_span_slab_thickness
TO BE 4″ SLAB4 in
Default within printed short-span range.
structure-20261012b-penthouse-slab-ruleverified · printed
long_span_lower_threshold
OVER 8′-0″ SPANS96 in
Exclusive lower threshold for long-span rule.
structure-20261012b-penthouse-slab-ruleverified · printed
long_span_slab_thickness
TO BE 4½″ SLAB4.5 in
Printed long-span default; no maximum span supplied.
structure-20261012b-penthouse-slab-ruleverified · printed
opening_reinforcement_requirement
REINFORCE AROUND ALL OPENINGS TO MAINTAIN FULL STRENGTH.Opening bars, amounts and location need detailing.
structure-20261012b-penthouse-slab-ruleverified · printed
alternate_rod_bend_span_threshold
IN SPANS OVER 3′-0″36 in
Threshold associated with alternate rod bend-up rule.
structure-20261012b-penthouse-slab-ruleverified · printed
alternate_rod_bend_rule
BEND UP ALTERNATE RODS OVER SUPPORTSPrinted support relationship; no bend length inferred.
structure-20261012b-penthouse-slab-ruleverified · printed
discontinuous_end_hook_rule
HOOK BENT RODS AT EDGES OF SLABS AT DISCONTINUOUS ENDS.Printed edge treatment only.
structure-20261012b-penthouse-slab-ruleunresolved · printed
reinforcement_fraction_schedule
[rod/spacer fractions unresolved]Numeric value unresolved
Fractions remain incompletely verified.
structure-20261012b-penthouse-slab-ruleverified · printed
rod_spacing_up_to8ft
⅜ φ 4½″ O.C.4.5 in
Rod spacing in up-to-and-including8foot spans; prior thickness4in and applicability reused.
structure-20261012b-penthouse-slab-ruleverified · printed
rod_spacing_over8ft
⅜ φ 4″ O.C.4 in
Rod spacing in over8foot spans; prior thickness4½in and applicability reused.
structure-20261012b-penthouse-slab-ruleverified · printed
rod_designation_up_to8ft
⅜ φLiteral fraction/round-rod designation only; diameter unit not expressly established.
structure-20261012b-penthouse-slab-ruleverified · printed
rod_designation_over8ft
⅜ φLiteral fraction/round-rod designation only; diameter unit not expressly established.
structure-20261012b-penthouse-slab-ruleverified · printed
spacer_designation
⅜ SPACERSFraction retained as literal spacer specification; no physical diameter unit guessed.