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SLOPE OUTSIDE GNADE AWAY ' <br /> FROY STpUCTUHE FOp DRAINAG <br /> ' ��/�/ / EXTERIOH RETAINING WALL <br /> / <br /> . �' <br /> i1A�1VEMENT O11 1� INCHES ���'.�� " <br /> 1 011� IY►(�VIOUf�jOO1L _' ��� s� �f� •o...'Y.. DAMP PROOFING . <br /> � � S ,e <br /> m 1 n. <br /> ' 6EMEIIAl, flll _ � � �:u��;; <br /> ! SS tS !, '•: :�• , VAGOR �A11111EA _ . <br /> I C :^:o;. <br /> U � J ' . CONCRETE SAMD-1 <br /> �� , ,o;� � <br /> � S l d::,- FLOOR SLAB / <br /> I w[�� Ho�es - .. :��" . . . ;; .. :•-:. .:... ,✓ <br /> ... .�. . . '�� •.Ii.��..�1��.'Uf.�,.'.Vi��• <br /> 'yi�.� : . . .�� � r.Q.�C�Y• I' J <br /> .�� ..t��. � •.� :��:� .�R� <br /> I SU�ONAIN VIPE `_;, � ;S'�. <br /> DRAINAGE� SAND j GRAV[L <br /> , not . lo ■cal• " <br /> ( MATL•'R(ALS NOTES <br /> l . Draina�;e Sand & Grav�l Beneath <br /> J SUBDRAIN PIPC• F'loor Slub Should Hc Connected <br /> 4" Minimum Dia. Pe^[orated Or Slutted Hydraulic:�lly To Subdrain Pipe. <br /> Cor,erete, Mct+l, Aabcaloa-C�•ment Or Usc Of 2"�Dia. Weep Holes le <br /> � Plassic: Pipe. Tight Jointed, Sloped To One Applicahl� Method. <br /> Drain (4"/ !00' min. slupc), With <br /> Cl��n-Outs. 'L. Subdrain Pipe Should Be [3edded <br /> 1 5lutted Pipe-- 1/8" Max. Width Slots With A Minimum O[ 6" Ot Drainage <br /> Prrforated Pipe-- 3/ 16" to 3/8" Holes Sand & Gravei Surrounding The Pipe. <br /> 51ut» Or Perlorations Pr�tereritially <br /> �� In Lower Half Ot Pipe With Lower . 3. Backfill Within 18" Of Wali Should <br /> 42uarter Seyment Solid For Wa�er Flow. 1�e Compuct�� With Hund-Oprr�trd <br /> ' L yuipment. He:�vy Equipment Shuuld <br /> � DRA�NACE SAND & CRAVEL Not Be Used For Backfill, Ae Such <br /> Tu MeKt WashinQton State Sp�cifications Operation Could increase Late.ral <br /> Or The Followin� Gradatioo Earth Pressures And Possibly <br /> � Damage Th�: Wall. <br /> Sieve Size Passin B _ight <br /> — — -�— � �— — <br /> 1- 1 r2" 100 9. All Backfill Should Be Placed In <br /> � , 3!4" 70-�0 , Layers Not Exceeding 6" Loose <br /> l�4"� 30-60 Thickncsa An� U�ns�ly Cumpuct�d. <br /> No. B 20-50 Beneath Paved Or Sidewalk �Areas, <br /> � No, 30 8-30 Compact To At Lcast 95% Modified <br /> No. 50 3- 12 Pru�tur Mdximum Denaity (AS'CM: <br /> � • No. 200 0- 1. 2 D1557, MethodC). Otherwise <br /> (by wet aicving) (non-plastic) Compact Tu 90'�o Minimum. <br /> � SUBDRAIN � BACKFILL SCHEME <br /> JBASEMENT WALLS WITH iNTERIOft SLAB ON GRADE S-� <br />