1212 GRAND AVE 2016-01-01 MF Import

March 31, 2008 Mr. Paul Tessier L&A Job No. 8A027 Pagc 9 with each lift compacted to a minimum percentagc of the maximum dry density detertnined by ASTM D1557 (Modificd Proctor Method) as follows; Aaplication %of Maximum Drv Densitv Within building pads of additions and 6v�age 95% Roadway/Driveway subgrade 95% for top 3 feet and 90%below I3asemenURetaining wall backfill 92% Utility trcnch backlill 95% for top 4 feet and 90%below BUILDING FOUNDATIONS Conventional looting foundations may bc used to support the proposed additions and new garagc. The footing foundations shoulJ be constructed on or into undisturbed, dcnse silty sand and/or hard finc sandy silt soils, or on structural fill placed on these competent native basal soils. The additions and new garagc footing foundations abutting thc basement walls of the existing house should be extended down to the bottom of the existing footing level in order not to exert a surchargc load on thc existing basement walls or footings,and should not be extended morc than 6 inches bclow the bottom o1' thc cxisting footing foundations oF the house in order not to undermine the existing 1'ooting loundations. Over-excavation of footing trenches of the additions and new garage should be backfillcd with structural fill per recommendations in the Swctural Pill section of tl�is rcport. Watcr should not be allowcd to accumulate in excavated footing trenches. Disturbed soils in 1'ooting trenches should be completely remo��ed down to firtn native soils prior to pouring concretc for thc footings. If the abovc rccommcndations are followcd, our recommended design criteria for footing (oundations arc as follows: LIU & ASSOCIATES, INC. � � �__