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Roof Construction: Combination I-Joist & Trusses
Working drawing packages usually comprises of the following drawing components:
Cover sheet with rendering and art floor plans.
General notes and specifications.
Site plan at 1/8″=1′-0″ or 1/4″= 1′-0″.
Foundation plan at 1/4″=1′-0″. (Some plans have foundation options, client to specify at time of order.)
Main floor plan at 1/4″=1′-0″.
Second floor plan at 1/4″=1′-0″, if applicable.
Structural floor / roof information indicated either on the floor plans or separate framing plans for complicated designs.
Electrical floor plans.
Minimum of two cross sections at 1/4″=1′-0″.
Details as required.
All four elevations at 1/4″=1′-0″.
Generic detail sheet.
Plans are engineered by a structural engineer, but not stamped or sealed.
Ground snow load 40 psf. (or composite roof live load 32 psf, dead load 10 psf for total roof design load 42 psf)Floor live load 40 psf.
Balcony live load 60 psf and dead load 10 psf for total design load of 70 psf.
Assumed soil bearing capacity 1560 psf.
Electrical fixtures / switches / smoke alarms by location only on floor plans.
Plumbing fixtures by location only on floor plans.
Windows are called out as generic nominal sizes on floor plans, opening directions indicated on elevations.
Items not included with plans:
Interior cabinet elevations.
Situations beyond the scope of these drawings and issues which can be handled locally:
Unusual site conditions, High wind speeds. Seismic, shear walls, holddowns, nailing patterns and Local Energy Code compliance.
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The RV garage portion of this modern garage has an eighteen-foot-high ceiling accessed through a sixteen-foot-high by twelve-foot-wide overhead door. The double car garage has a nine-foot-high ceiling with two eight-foot-high by nine-foot-wide overhead doors. The covered porch opens into the vaulted entry with direct access to the workshop. The workshop provides easy access to both the RV and double car garage areas. The vaulted second level is a blank canvas ready to be transformed into a future apartment, exercise room or private home office.