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THIS PLAN REVIEW was completed by TOM LARSEN ENTERPRISES PLANS EXAMINER: ACTIVITY NO. 98-04819 TLE NO. 98-1050 CONDITIONS REQUIRED: 1. LOT DRAINAGE, Lots shall be provided with adequate drainage and shall be graded so as to drain surface water away from foundation walls. The grade away from foundation walls shall fall a minimum of 6 in. within the first 10 fi. Where lot lines, walls or other physical borders prohibit 6" of fall within 10 feet, drains or other approved means shall be provided to ensure positive drainage. [Sec. 401.3] 2. CONCRETE SPECIFICATIONS. Basement walls and foundations not exposed to the weather, basement slabs and interior slabs on grade, except garage floor and steps exposed to ,, the weather shall have a minimum compressive strength of 2500 psi. Basement walls, foundation walls, exterior walls, and other vertical concrete work exposed to the weather, , ,~ ~ .~., porches, carport slabs, and steps exposed to the weather, and garage floor slabs shall have'a minimum specified compressive strength of 3000. Concrete shall be air entrained. Total air content (percent by volume of concrete) shall not be less than 5 percent or more than 7 percent. [Sec. 402.2, Table 402.2] 3. A GROUND COVER shall be installed on the ground in the crawl space. Ground cover shall be 6-mil black polyethylene or other approved material of equivalent perm-rating. Ground cover shall be lapped 12 inches at all joints and cover the entire surface extending full width and length of the crawl space and turn 12 inches up the foundation wall. [E 401.9.2] 4. FOUNDATION CRIPPLE WALLS less than 14 inches in height shall be sheathed with wood structural panels attached to both the top and bottom plates in accordance with Table 602.3a or shall be constructed of solid blocking. [Sec. 602.8.1] 5. GROUND CLEARANCE. Wod'd~joists or the bottom of a wood structural floor closer than 18 inches or wood girders closer than 12 inches to exposed ground in crawl spaces or unexcavated areas located within the periphery of the building foundation shall bo pressure treated lumber. [Sec. 322.1 (1)]