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i <br /> i <br /> SLOPE OUT 1 GRADE �CONCRETE SAND,� <br /> AWAY FRO 11UCTURE <br /> �� <br /> FOII DpA1NAQE � ' '� FLOON S L AB <br /> . � � ,:� .•' .: . .^��.��.�-.:..,_:i�•`� <br /> . Y� :o o �•. e ',' .. .�. '.;'';• :. �, <br /> /// / _• �. . • n � • ^��! - �' � : •: • .� �.. <br /> PAVEMENT �11 / / � . ��� . '� <br /> .. 101NCHES IN. // . ''���;•.•� VAPOR BANRIEII� �. <br /> OF TAMPEO TOP601 / � �� ��'��''•" �� �!:-' <br /> ON IYPEIIVIOUS SOIL � /// . " '•: �•� DflAINAGE � <br /> •j :'."� �.i.': .�� , SAND i GRAVEL � <br /> . y'•� :� . � ��r ^ ,'r� ! <br /> . ' � ' � ' �•�' !p• ' <br /> ...1 :. �. � .. �� , •.- � . I <br /> � � , �,•, �� 'T �� <br /> � �•�' • ' ��'' � SPREAD OR ��" CWEEP HOLES • <br /> • .,�•�.. 'i: CONTINUOUS " .' I <br /> SU�OPAIM �I�L . I <br /> ..: i: �..�:;•�r. FOOTIHG � <br /> i <br /> not to scal• . . . � <br /> i <br /> ' I <br /> MATERIALS NOTF:5 I <br /> � . • 1 . Urainuge Sand & Cravel Beneath I <br /> SUBDRA[N P[PE ' Floor Slab Should Be Connected j <br /> 4'rMinimum Dia. Perforated Ur Slutted ryydr3ulically Tu Subdrain Pipe. <br /> Cu�icrete, Metal, Aebestos-Ceinunt Or Usc Of 2" via. Wuep Holes Iy <br /> 1'lastic Pipe. 'Ci�ht Jointed, Sloped Tu One Applicable Method. <br /> Ur;:in (� '/ 100' min. slope), W ich i <br /> Cl�an-0uts. 2. Subdrain Yip�r 5hould Be Bedded � <br /> tiluttrd Pipe-- 1/B" Max. Width 51�,i; Walh A Miniu�wn Of 'l" Ol' Drainage <br /> Y�rforated Pipe--3/ I6" to 3/8" Hol�s S:�n�i & Gravei Surrounding The I <br /> �lote Or Pertoratians Preferentiully Pipe, <br /> In Loxrr Half Of Pipe With Luwrr � <br /> (auarter Segment Solid For Wdter Fluw. 3. 13ackfi . Within 18" Of Wall Should i <br /> Rv Compacted With Hand-Operated �� <br /> URAINAGE SAND k CRAVEL Equipmen�. Heavy Equipment Shuuld <br /> To TQeet Waahit�ton 5tate Specifications Not Be Used Fur Backfill, Ae Such ', <br /> Or The Followit� Gradation. Oper�tiun Could Increase Lateral ! <br /> I?arth Pressures And Possibly ' <br /> Sieve Size Pareing By Wei�ht . Usmage The Wall. <br /> 1-1�'� 100 � <br /> 3/4" 70-90 4. All Backfill Should BE� Ylaced In � <br /> 1/4" 30-60 Layers Not Exceeding 6" Loose <br /> No. 8 20-50 Thickness And Densely Cumpacted. <br /> No. 30 8-30 Beneath Paved Or Sidewalk Areas, <br /> No. 50 3- 12 Compact To At Leaat 95%. Modified <br /> No. 200 0- 1. 2 Proctor Ma:cimum Density (ASTM: <br /> (by wet aievin�) (non-plastic) U1557, Method C). Otherwiae <br /> ' Compact To 90% Minimum. <br /> SUBDRAIN & BACKFi � L SCHEME � � ' <br /> SHALLOW FOOTINGS WITH INTERIOR SLAB ON GRADE � <br /> � <br /> .. i <br /> I <br /> I <br /> , , II. <br /> � <br /> � <br /> I <br /> � <br />