Foundation

	Concrete to be Portland (C150) ASIP. C150. 3000 psi (@28 days.)
	Water/Concrete ratio 0.60 moisture to be maintained in concrete during the curing period. Longer periods of moist curing required at lower temperatures. FM ratio 2.5 to 3.0.
	Calcium choloride use in cold weather concreting shall be limited to less than 2% by weight.
	GENERAL SITE PREPARATION: (Not Inclusive): Site to be dry (not frozen), protected from rainfall and surface drainage. Loose granular or weak soil (i.e. topsoil) to be removed. Pad site to be excavated level in all directions and compacted. Subsurface drain for ground water protection of pad areas may be required, subject to site conditions and the existence of groundwater (table).