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HomeMy WebLinkAboutOC_1478 Monrovia Ave- MiscMarc )9Y AickY Jc (� -:4 INC .-a toi G tAB®?'! 1717 NEWPORT CIRCLE e SANTA RNR, CALIFORNIA 42705 • (714) 751-4740 Butler Housing Corporation 1591 Kettering Street Irvine, California 92714 Reference: Utility Trench BackfiLl Testing 1472 Monrovia Avenue Newport Beach, California Gentlemen: Project No. 79-1695 November 3, 1990 This letter presents the results of density testing performed by a representative of this firm on the telephone and electrical trench backfill on the above -referenced project. The backfill material was moisture conditioned and properly compacted to 90 percent relative density. In-place density tests ware performed in accordance with ASTM Test Designation D-1556. The results were compared with the maximum dry density/optimum moisture content determinations as accomplished in accordance with ASTM Test Designation D-1557. Results of the density tests are given in the enclosed "Table of Test Results". Results of the density tests performed on representative areas indicate that the backfill has been properly compacted to a minimum relative compaction of 90 percent. The soils are considered adequate for theLr intended purpo;; ShOULa Y011 h:1V arly flll'ti191' i11ll?Sl;LlfCi ?(irl ?rnlnV IJIi p-, (r(!t, 1 c:1LL us. Respectfully submitted: United Materials Testing Uaboratories, Inc. 41z�,e Paul S. Hanway III Vice President Reviewed by: Neson R.C.E. 24935 1 0 1980 QP 0 a :A., v� � IABP`O : 1.'17 NEUIPOAT CIRCLE ® SANTA ANA, CALIFOANIA 94705 ® (714) 751.4740 Butler Housing Corporation 1591 Kettering Street Irvine, California 92714 Reference: Utility Trench Backfill Testing 1472 Monrovia Avenue Newport Beach, California Gentlemen: Project No. 79-1696 November 3, 1990 This letter presents the results of density testing performed by a representative of this firm on the telephone and electrical trench backfill on the above -referenced project. The backfill material was moisture conditioned and properly compacted to 90 percent relative density. In-place density tests were performed in accordance with ASTM Test Designation D-1556. The results were compared with the maximum dry density/optimum moisture content determinations as accomplished in accordance with ASTM Test Designation D-155'7• Results of the density tests are given in the enclosed "Table of Test Results". Results of the density tests performed on representative areas indicate that the backfill has been properly compacted to a minimum relative compaction of 90 percent. The soils are considered adequate Cor their intends -i Shoj&I You hnvo ;rny ('urhJrar piritinn:; ;;nrr+ruin,? IFriS prnjnr,C, pl caii us. Respectfully submitted: United Matri�al�s Testing Uaboratories, Inc. Paul S. Hanway III. Vice President Reviewed by: S.G. Oson� R.C.E. 24935 1 0 1980