floor-metal-tile-fastening
COUNTERSUNK RIVETSPrinted specification or source-local detail only; no installed quantity, accepted room geometry, host placement or building transform established. Review correction review-correction-20261014u-metal-tile-fasteners: Same IMG1249 Section N–N floor-metal-tile fastening clause reads COUNTER-SUNK SCREWS, not prior COUNTERSUNK RIVETS. New upright0 master region[.385496,.738373,.464433,.745663] lies within old access locus[.3,.72,.54,.76], with same target parallel-img1249-truck and tile clause. Preserve historical wording; no fastener size/count, installed geometry or governing revision accepted.
Drawing notation: COUNTERSUNK RIVETS
Printed specification or source-local detail only; no installed quantity, accepted room geometry, host placement or building transform established.