Section Inst 603.09 - Types of Footings(a) Footings shall provide equal load-bearing capacity and be resistant to decay. Footings shall be placed on undisturbed soil or compacted fill.(b) Every pier shall be supported by a footing of the following type: (1) A pad which shall be a monolithic concrete slab with Fibermix, 3000 pounds per square inch minimum reinforced with 4 rows of number 4 rebar spaced evenly in the first 4 feet of the outer edge with a bullfloat finish and complies with the following: a.Fill shall extend a minimum of 3 inches up the side of the slab;b.Top soil and all organic soils shall be removed under the slab area;c.A minimum of 12 inches to 14 inches of sand or gravel compacted; and(2) Below frost footing, which shall be designed by a New Hampshire licensed professionalengineer.N.H. Admin. Code § Inst 603.09
#8494, eff 12-24-05; ss by #10155, eff 4-14-12