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Plan Check 112� <br /> Larry Callahan <br /> August 9, 19II5 <br /> Page Three <br /> c. Placement of structural fill belo�•� the `loor• slab �•iill occur below <br /> the three-story portion and should require coinpaction tests. A report <br /> of satisfactory placement of fill , acceptable to you, should be sub- <br /> mitted. Section 2903(a; <br /> d. The soils rEport recomnends that all foundation bearing strata should <br /> be inspected by the soils engineer prior to placement of foundations. <br /> e. The perimet?r foundation drainage system, sho�an on Sheet A-9, should <br /> be detailed. <br /> f. The report recommencis a 2" sand layer, over the moisture barrier, below <br /> the slab-on-grade. <br /> g. The report repeatedly emphasizes that site soils are sensitive to over- <br /> wettin9 and that gradin9 during wet �aeather, or wet �aeatl�er nccuring <br /> after 9rading and prior to placement of slab and pavements, could <br /> result in areas requiring excavation and regrading. This should be <br /> carefully monitored by the soils engineer during construction. <br /> h. Because of this, you may wish to request laboratory tests determinin9 <br /> optimum moisture content of the site soils to insure that proper criteria <br /> is established. Section 2904(b) � <br /> 3. Foundations and retaining walls: <br /> a. I assume that the retaining walls betweeen grids J and L, 3.5 and <br /> 6, are to be reinforced per the retaining wall schedule on Sheet 5-1. <br /> Further details should be provided. 61any of the walls span horizontally <br /> to cross walls rather than vertically. Horizontal reinforcing at the ' <br /> exposed face is required under Lhat condition. Section 2303(b) <br /> b. The walls shown on F/S-1 also have the problem of spanning horizontally , <br /> in some locations, such as at C.6 and 2.7. <br /> c, Referring to Detail 1/5-2, the pier dimension parallel to grid L should <br /> be provided. Three #3 ties should be provided around anchor bolts within <br /> 5" of the top of the column. Section 2607(k)3.D. Based on the base <br /> plate and column dimensions given, the anchor bolts cannot be placed <br /> outside the column flanges as shown and still be within the ties, Yihile <br /> maintaining lZ' concrete cover over the ties as required in Section <br /> 2607(h). ; <br /> d. Three �3 or two �4 ties should also be provided in the top 5" around � <br /> the anchor bolts in �etails G/5-1, 2/S-7 and A/S-S. � <br />