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Lateral foundation loads may be resisted by passive resistance on the sides of the footings and by <br />friction on the base of the footings. For footings supported and surrounded by either dense native soils or <br />compacted structural fill, a coefficient of friction of 0.35 and a passive resistance of 350 pounds per cubic <br />foot (pcf) may be used. <br />Footing drains should be incorporated in the design of the be ilding. <br />FLOOR SLABS <br />A subgrade modulus of 200 pounds per cubic inch (pci) may be used for design of the slabs -on -grade <br />at the site. Concrete slabs -on -grade should be supported on a 6-inch-thick capillary break layer overlain <br />by a vapor retarder. The basement floor slab should be provided with an under drain system. <br />BELOW -GRADE WALLS <br />Below -grade walls should be provided with a free draining drainage layer and footing drain pipes. <br />For below -grade walls constructed either neat against the dense native soils, or backfrlled with compacted <br />structural fill, we recommend the following equivalent fluid weights: <br />• allowable passive — 350 pcf <br />• active — 35 pcf <br />• at rest — 55 pcf. <br />NEW HMA PAVEMENTS <br />New hot mix asphalt (11MA) pavement sections around the building should consist of at least 2 inches <br />HMA over 4 inches of base course in car parking areas and 3 inches HMA over 6 inches of base course in <br />areas exposed to truck traffic or heavy traffic volumes. <br />H <br />G e 41 P n g 1 11 c c r s ES-2 Pik No. 5836-002-OO1040204 <br />