N.H. Code Admin. R. 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
d.Shall be at minimum as set forth in Figure 600-3; or

Figure 600-3 Slab Specifications

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(2) Below frost footing, which shall be designed by a New Hampshire licensed professionalengineer.


N.H. Code Admin. R. Inst 603.09

#8494, eff 12-24-05; ss by #10155, eff 4-14-12

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