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vvoft <br /> PA <br /> -' •.!��..L'y. —r---MOUND FILL ,•-B' <br /> `�•{:;. � TO ALLOW FOR <br /> SETTLING <br /> r:.\� .t } ," • -- f GRASS COVER <br /> COVER ABOVE ROCK <br /> +fr z _ ,•t��'"y! `•� -- '�---0 3A'TO 2IR' DIA. <br /> ir AN <br /> .l •r' '.�a' ,`.. 1: ��+i �: i CLEROCK <br /> mmm� FA <br /> 1'-8' LAYER OF UNCOMPACT <br /> O<D� '•+: . : HAY OR STRAW COVERED WITH <br /> CZ <br /> REO ROSIN PAPER OR GEOTEXTKE FABRICr---_----- `^ t.. 151tJR .S' ..c ��— <br /> ' / —TRENdI BOTTOM MUST BE LEVEL <br /> oz <br /> THROUGHOUT LENGTH <br /> MINIMUM ROCK COVER ABOVE PIPE <br /> p p ----8'MINIMUM ROCK DEPTH BELOW PIPE <br /> -- --�~ i-- C 24' MAXIMUM ROCK DEPTH SLOW PIPE <br /> C <br /> mm v,C mlrl ��� 1 L__--�� I --1' DIA.RIGID PERFORATED PLASTIC PIPE WITH ONE ROW OF <br /> # y+ n-1 a0 a n� ��`♦ C 1 �/ MOLES ALONG BOTTOM <br /> f m7 O ( vX< O� �� I ��/� --WATER TABLE OR MIPERVIOUS LAYER SUCH AS CLAYPAN.ROCK. ETC. <br /> r-r" <br /> O ?f' <br /> x ` ul-I m=z C�� y ,orzsr, v� TRENCH ROCK COVERED•WITH PERMEANLS <br /> r6 <br /> s3 X m r-aQ Z �< E r PIPE TO NEXT STNRTNNETCIpVEREp W TH4 W(TREATED NUI(OIN6 Y OR <br /> 1'DIAMETER iN5PEC710N <br /> ,AA -1 a i O C=.^li� Tza 0 1� INLET DROP X PAPER (REO ROSIN WELL WITH CAP <br /> = p 2«m � mi <br /> °m n��O n m02 ?w EARTH BACKFILL AT L T <br /> v► <br /> 0--n F a v a + 6 ABOVE TOP OF ROCK <br /> v ay tD1 y/ <br /> --� z 4 0 <br /> D m _ <br /> I 4'< O m m 7� to p <br /> -� X=� m-O EX2 AT LEAST 8' DEPTH OF CLEAN <br /> OC < nT04x p'm v Z ` ! ROCK S/� TO 21/=DIA. SEE NOTE & • <br /> X-4 ac g omr <� o • <br /> rn2c m m -+ DROP BOX <br /> m 1-4 zDni�p -�mD L MAXIMUM LENGTH • 100 FEET <br /> -r--•---�-i- i 0-<am Tm� > H <br /> s O 'Irn no :50 CD -1 <br /> Z N Oammr. ZcOC r OVERFILL NOTES* 1. BOTTOM OF TRENCH MUST BE LEVEL. TOP OF TRENCH <br /> O ` c N CY "0", 4N� D �4 TO B INCHES ROCK MUST BE LEVEL. <br /> C a m p 'Ir �~a� r-Ir —�_ __.__iNSyPECILTION 2. SLOP ON OISTRtBUT1pN PIp� S BETWEEN <br /> 2r < m {D DmpIA �� < d - tEVE� AND 4 INCHES PEA i00 FEET. <br /> �„ m r RECOMMENDED SLOPE IS LEVEL. <br /> BACKFILL �(/��p� P& CAN <br /> + + m Omo mo O�mN z0� _ �i IBrACKFFILL 3 'lASf1t INSTAPLLED CVVITH OfdPEE ROWS OF <br /> T om Om= �O ti. • _ HOLES ALONG THE PIPE BOTTOM. PIPE <br /> 7 n • �•pEPTH OF MUST HAVE A BEARING STRENGTH OF <br /> A x o.r • : _T O P PIPE AT LEAST 1000 LB/FT. <br /> S sA ROCK ' • AT LEAST B'OF 4. MAINTAIN NATURAL SOIL STRUCTURE IN THE <br /> • ROCK PE �BEEELOW TRENCH SURFACES N CONTACT WITH ROCK. <br /> NOTE s. a WHERE TREES ARE PRESENT OR LIKELY TO BE <br /> [:—Is*TO 38'� PRESENT DURING THE LIFE OF THE SYSTEM, <br /> 12 INCH" OF ROCK MUST BE PLACED UNDER <br /> THE DISTRIBUTION PIPE, <br /> TRENCH CONSTRUCTION DETAILS <br />