Ord 1977-051 - Laserfiche WebLink

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197a (3) Section 1302.1 of said Code is amended so that Section 1302.1 General is deleted in its entirety and a new subsection 1302.1 entitled Minimum Foundation for Single Family and Two Family Residential is as follows: a. Minimum requirements for a single story wood frame residence containing less than 600 square feet of habitable area shall be as follows: Outside con- crete beams 10fl wide, IS" in depth with two (2) #4 bars top and bottom, stirrups every six feet; slab shall be minimum 3 5/SfI thick with #3 bars IS' on center both ways or 6"X6"X6" wire mesh; there shall be a cross beam of area if slab is over 400 square feet; cross beam to be 10fl wide by l6f1 deep with two (2) #4 bars top and bottom with stirrups every six (6) feet; top of concrete slab shall be a minimum 6f1 above finished grade of yard. The minimum requirements for a single story wood frame residence containing more than 600 square feet in habitable area shall be as. follows: Outside concrete beams shall be minimum 10fl wide and 24f1 in depth, with two (2) #4 bars top and bottom, and stirrups every six (6) feet; the slab shall be a minimum of 3 5/SfI thick with #3 bars lSfI on center both ways or 6f1X6f1X6f1 wire mesh; cross beams shall be placed dividing slab area into minimum of 400 square feet areas; cross beams shall be 10fl wide by 16" deep with two (2) #4 bars top and bottom of beam, and stirrups every six (6) feet; top of con- crete slab shall be a minimum 6f1 above finished grade of yard; and if brick, stone or other masonry veneer is placed on residence, add additional #4 bar top and bottom of outside beams. The minimum requirements for a single story wood frame resi- dence containing more than 400 square feet on con- crete beams and piers, shall conform to the follow- ing requirements: Piers shall be monolithic poured with concrete footing lSfI square 6f1 thick; piers shall be 12f1 in height, SfI round or square, with one (1) # 3 bar in center of pier embedded 3" in footing and extending SfI above top of pier or 2" above sill; piers shall be placed so that no span shall be more than S feet, 6f1 between them, and precast concrete pads and block footings will not be allowed on resi- dence over 400 square feet in area. Plates, beams, and sills shall be securely attached to piers, footings, and slabs. b. A two story residential structure shall have two (2) #6 bars top and bottom in outside beams. Beams shall be 12" wide by 24f1 in depth. Cross beams cutting areas to maximum of 400 square feet. Cross beams 10flXlSfI with two #4 bars top and bottom. All beam steel to be supported by 3/S stirrups 6' on center. I I c. S"XS"XS" concrete blocks may be used for piers provided they are set on a poured concrete footing 24f1 square by 6" deep with a #3 rod crossed in the footing. A #3 rod or l:;fI bolt shall be em- bedded in the footing at the time of pouring and shall extend at least 2f1 above the sill. All cells I of the concrete blocks must be filled with grout and all joints mortared. Piers shall be placed so that no spans will be more than S feet 6f1. d. Post tension concrete foundation may be used provided a professional registered engineer designs the pro- prosed installation and affixes his seal thereon. A set of specifications showing positioning of tendons, size of drape and required post tension shall be furnished the City Building Inspector.