Laserfiche WebLink
i <br /> CONCRETE SAND'� <br /> SLOPE OUTSIOE GRADE � <br /> AWAY FROM STRUCTURE <br /> FOR DNAINAGE � F100R S L A8 J <br /> ..�-..5�! . Sx.a � ..��..�cw.✓ <br /> 'i` . ; ' '^ '. . �^..•.i��' <br /> T.` .� <br /> � `� •. le_. �0 ��, �•�• �� �'.�. �•;"! <br /> � /� .� : � ' • , �i i:� ��� �•�'�,: <br /> i / •:•� '� ^ '� . !s;.� ' <br /> � .��'. <br /> PA VEM_NT �R . •. '••' ., VAPOR sAHR1ER <br /> 10 INCMES IN. / ///�I • •/'•�`,r�•'i ��;,' <br /> OF TAMR�OUS SOLI' // . .. "'' • DRAINAGE • <br /> OR IMP r •. ;�•'••� . . � � : .'J:-i:,< •. SAND i 6RAVEL <br /> ' '� �.. � � � •+`;,;' �. <br /> � � -,•si'•',1"•• .),..'.�.': .�''. •'.'i:• <br /> •. t . . <br /> ' '•: • . � �'�' SPREAD OR ��"'. WEEP MOLES <br /> • . :. '�.. 'i: CONTINUOUS :'•.' <br /> EUSORAIN PIPE '; �•�.. . � ' <br /> ,.: 4•.•.;.;.:; FOOTING .,'..' , <br /> not to se�l• <br /> MATERIALS NOTES <br /> 1. Drainage Sand & Gravei Beneath <br /> SUBDRAIN PIPE Floor Slab Should Be' Connected <br /> 4'rMinimum Dia.Perforated Or Slotted Hydraulicaily To Subdrain Pipe. <br /> Concrete, Metal, Asbestos-Cement Or Use Of 2" Dia. Weep Holes Is <br /> Plastic Pipe. Tight Jointed, Sloped To One Applicable Method. <br /> Drain (4"/ 100' min. slope), With <br /> Clean-Outs. 2. Subdrain Pipe Should Be Bedded <br /> Slotted Pipe-- 1/8" Max. Width Slote With A Minimum Of 2" Of Drainage , <br /> � Perforated Pipe--3/ 16" to 3/S" Holes Sand & GravelSurrounding The <br /> Slota Or Perforatione Preferentially Pipe. <br /> In Lower Half Of Pipe With Lower <br /> Quarter Segment Solid For Water Flow. 3. Backfiil Within 18" Of Wall Should <br /> Be Compacted With Hand-Operated <br /> ` DRALNAGE SAND & GRAVEL Equipment. Heavy Equipment Shwld <br /> To Meet Washingtou State 3pecifications Not Be Used For Backfill, As Such <br /> Or The Following Grad:.�ion. Operation Could Increase Lateral <br /> . Earth Pressures And Possibly <br /> Sieve Size Passin& By Wei�ht Damage The Wall. <br /> 1-1�'� 100 ' <br /> 3/4" 70-90 4. All Backfill Should Be Placed In <br /> 1/4" 30-60 Layers Not Exceeding 6" Loose <br /> No. S 20-50 Thickness And Densely Compacted. <br /> No. 30 8-30 Beneath Paved Or Sidewalk Areas, <br /> No. 50 3-12 Compact To At Leaet 95% Modified <br /> No. 200 0-?. 2 Proctor Maximum Density (ASTM: <br /> (by wet sieving) (non-plastic) D1557, Method C). Otherwise <br /> • Compact To 90% Minimum. <br /> SUBDRAIN & BACKFIL. L SCHEME � <br /> SHALLOW FOOTINGS WITH INTERIOR SLAB ON GRADE S�� <br />