platform construction construction mr. o. platform construction for use in construction jobs where a...
TRANSCRIPT
Platform ConstructionPlatform Construction
ConstructionConstruction
Mr. OMr. O
Platform ConstructionPlatform Construction
For use in construction jobs where a house is For use in construction jobs where a house is built over a basement or crawl space.built over a basement or crawl space.
Floor SillsFloor Sills
Sills lie on top of foundationSills lie on top of foundation Bolted in placeBolted in place Insulation between sill and foundationInsulation between sill and foundation
Floor JoistsFloor Joists
2x10 or 12s’ set on edges (vertical)2x10 or 12s’ set on edges (vertical) Rest on floor sillsRest on floor sills Outside joists called stringersOutside joists called stringers Perpendicular joists Perpendicular joists
called Headerscalled Headers
• Nailed in placeNailed in place• MFG’d called I-JoistsMFG’d called I-Joists
Floor Joists (Cont’d)Floor Joists (Cont’d)
Long lengths require doubling upLong lengths require doubling up Support at meeting points and stress points Support at meeting points and stress points
from girdersfrom girders Girders held by Girders held by
columns/postscolumns/posts
Joist SpacingJoist Spacing
12” or 16” O.C.12” or 16” O.C. Why not 24”?Why not 24”? CompensateCompensate
for staircasesfor staircases
Platform ConstructionPlatform Construction
Provides nailing base for subfloor and wallsProvides nailing base for subfloor and walls Repeat for each story builtRepeat for each story built Walls become load bearing rather than Walls become load bearing rather than
foundationfoundation