4916 NICHOLS PL 2016-01-01 MF Import

� ; :,;:";: � i �1 `"'`� ,�;�. _�__ ____�.:.�..,�..e..�-a� � � 4!1 � o�vio �.� e��cw�aTEs. iwc. pugust 29. 1983 Project No. u183 Page four Recommendationa ; The natural soi1H ertcovntarad throu6hout the eits araa aPP�u' � ort of propoead etructurss. S�g� t quite suitable for aupP Lne stesp slopa ax•eas� however, some atzvctures sgY be locatud near � i we believe a building sat-back limit should b�+ e8tab�lieve a `• Based upon our obaervatione and past expeTi�te/to uinLain a � buildin8 set-back of 25 feet ahould be adeqelo� ��' �ie �• stable building site ar�a �ithin th- ateep , generally should be utilised a2ong the Lotal easter�y ateep alope area and apProximately one-half of the vreaterly aLeep s1oP� +rea. The northern portion of the �veaLerly slope ie much less eteap and a signiiicant toP-oi-slope is leas o�vieus• We Bu88Q6t Mithin this area thaL a building set-bach of 10 ieet el�ould b° ad�4u°te. Residence foundations should be Placed into the denss natural soils, iound generally 2' to 3' below grade. Delow tt►s organic topsoil and root ladden atrata. Maximum alloxable eoil praeeuree of 2500 pounds per squere foot (psf) should be anLicipatad, ueing ��ntinuous type footinga, placed a minimum of 18' below iinieh �rade as to be below froet line. In some or tn. moderate alapo areas, this maY re4uire atepped foundatione to adaqual��Y pena- trate the natural dense soils. Should baeemante b� desi�nd. the upslope walls should be deeigned as retaining Malle, using adequate drainage and equivalent fluid presaures of 40 pounde per cubic foot (pcfl• Adequate drainage should be provided around the structurea, consisting of foundation and roof drain systems indePendantly directed into the main `.orm drainage system or aPProved outfall area. Retaining walls should utilize a perforated pipe basal drai: connected to an 18" thick washed ag�regate blanlceti behind th! wall which extends to within lf" of the surface. which is directed ir.to the main drainage system.