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. c·PERFORATED
<br />-<!,<-fr:--:;_;~:_-:~------. · LATERALS
<br />/.:.-.. ~ '"'•"'··--..,._ :~-~~-.-...... ___ .. "'--.... . .
<br />•. ✓ .· .-· /,;.~. ~1 :..,-·-·, ' :-·:;;·_,~;c_ /· -· ~ ... / ., ,,., /2 'L" ..,v;;;/ j . . ·:-1 -,..-_;-. / ,: /,.. ,'/ .• ;._1/, ,,. / /, . . ij ,,., . .
<br />LAYER OF STRAW OR
<br />MARSH HAY COVERED
<br />WITH RED ROSIN PAPER
<br />SANDY LOAM SOIL~:_,,·/2· /..,_,·,,,, "'.,_·· / :~:%---~~--. -~:-,, ~~~:-:::.~-,~-=~· . .::i=-.>:
<br />_/ , ,,_ .-. ./,--A¾.,,. ·-·-;(•-___ / ., . /f ~--:;,/ ;r ) .: .. ~::··
<br />,,,, :,:,_, .,,,,..,, ,.,~... ,, ,.,..,
<br />L.• .,;:~'.-• / ,./. ,:;::;,;:;.j~ j' 1/ ;?
<br />··.,.. ~✓---~:,..-;: ~~,,. ,.j ... ;., ✓ ,.,;.., ✓ • .;, ~/ f, -<
<br />-./~ ,.-/.,~ ;,;f .. ' .;, ~ . • • . .,r.r!" , .,,, .~ . /, ·ir ,_✓,: r, .• ,-1,f_/ ~ / ,,., A .,.,,.-,.j ,/ ,,
<br />l 1/f OR
<br />PIPE FR0M
<br />31, It -2 f/. II
<br />CLEAN frOCK
<br />..
<br />15' TOPSOIL/
<br />.... ~... A-::'-·-·~.r.
<br />✓ ,,
<br />,.\ , . . .U:--' ff Jv#
<br />2 " ~ ,,-;·.,, .,,:: ., ... ,✓.//•,,Y.,f / . . / / ~7 ,.7 • ·• •• •;\-..J' • . • , 1/ /4,~-/ /4 .. ., J ;r .-,c---:.·... ./'.. .,, ... //,," . i'
<br />P~UMP ~ -";.>~ ~:_,.r. /; · / ~-".•/.f-12. /4/ . / ~1 ~.-_..;~ ./ /-~/:.: :/~ /2 / 1/ : . .i
<br />"'-::-y' /, .:·/ / ,.(., //,-,.,~
<br />/ /., :.411//.,. .,.. ,1 :r .,:):• ,' t" , ~ ,, .· /4 ,• ,' -~ /,1/,' / ,,. .,,., /
<br />. ·,. '/ ,, , 1/_.4, ,: /,/ _ _j .
<br />:,,# ,·ifl:.r ,✓ :""=-~-~ J-/; i' . ,/ . ,, ~-~ ? . , .
<br />r ' / ,0 • r -£~" II ff ff./ /4! ,·
<br />//~ 0~•:::s;l~~»/; £ ✓/ // -,.I DIVERSION FOR
<br />,/~ :,'/_,,"J-✓-/ /y r /?~/ NOTES• SURFACE WATER
<br />.-, ~ :_ , '_.,.¥/ / ~ /,/, /. I. SELECT AS LEVEL A SITE AS POSSIBLE FOR THE MOUND. . ~ . ~-._r /, ./·' . . 2. REMOVE EXCESS VEGETATION. PI.J:JW, DISK OR USING BACKHOE RAKER TEETH,
<br />v -· •. ,/,,J,.,., ; 1/ ROUGHEN THE SURFACE SOIL 6 INOiES DEEP. 00 THIS ONLY IF THE MOISTURE
<br />,, · ' . . / CONTENT IS LESS THAN THE PLASTIC LIMIT (SOIL IS PLASTIC IF IT CAN BE ROU.EO
<br />'!¢'.,I~ /,?' / / INTO 'AN 1/e INCH WIRE). 00 NOT REMOVE AN( Of THE SURFACE SOIL. MOUND
<br />..,~ ~•, · . // / .· • PERFORMANCE ON CLAY SOIL DEPENDS ON EXJ'REME CARE: TO PREVENT COM~ION
<br />~::--' . _ -! .,. · , 1/ -' / / AND PUDDLING OF THE CLAY DURING CONSTRuCTION. 00 NOT US€ 1-EAVY CONSTRUC· ' ::_ ~:::-_,_, -»-v h j.t=,' _ .. ,J// ' ,. ION EQUIPMENT ANO 00 NOT CONSTRUCT THE MOUND WHEN THE CLAY SOIL IS
<br />f 1/ , ,. · ff ff .· '-IN A PLASTIC CONOITION. ·:-~ , ,. . . · //. -:--... 4 1 • •,,ff 3. USE ONLY TRAO<-TYPE EQUIPMENT FOR _CONSTRUCTING THE MOUND SO AS NOT
<br />--•-"'<=-)' f 9'' ✓,-· ., MA___ ;z· TO COMPACT THE ORIGINAL SOIL. •
<br />.. -,, -;.-----:..___ . /'. ,.· / )(1 1 ,•/: 4. THERE MUST BE AT LEAST 2 FEET OF NATURAL OR F1LL so1L HAvcNG A PERCOLA-.• _ .. __ ·: ::::::--..__,,_,>~ , . -~r;;:----...., ✓J;~--' I ,';)7.,: TION RATE NO SLOWER T.HAN 120 MINUTES PER INCH ANO NO FASTER THAN 5
<br />Z ... ·: o ~-· "-p .... -·, •·/.,',; MINUTES PER INCH, 8EFOR£ PLACING THE LAYER OF CLEAN SANO. '·· /o --,-.,_~ · · . . 0
<br />·-:.) .,, _.'!" · .;:·:~/,, 5. THE 12 INCH LAYER OF a.EAN SANO IS PART OF THE ND CONSTRUCTION. SAND CLc:-slope:--~.----c..:--.-, .·,;-=> ·. _ _. ,)::',.; --~-:, , .. , •.-_-·.-,~u:-:; .... : C ,s CONSIDERED CLEAN IF IT CAN PASS THE "'FRUIT JA~TEST FOR CONCRETE SAl-,0 •
<br />S I\ 1....AN I.... ' .,._ .:--~-.,.... . ',;_.:,:~,:.,·:~' . ..:;-~-I';.' .. •;,;:' El. THETOPOFTHECLEANSANDLAYERANOTHETOPOFTHEROO<BEDllo4JSTBE ~No ·-· -.. ·· -· -,<£'""ec~)?.· . .... ::._;:.,,.!{ ~-~►:i::-·,./,:;~·:::--: . •. CX>NSTRUCTEO LEVEL . -~ r,LL s·0=·..:.. ~·~:z· ~ 3. 6 ,, . ~~~:.::\"/t~.··:•':=>>i•-.1. DISTRIBUTION PIPES ARE ,•,2-INCH DIAMETER SPACED 40 INCHES ON CENTER -D . ~, -,. ~ ~-~-•. _ ... ~-:'·.,':;-·. •.:· ~ CONNECTED TO A MANIFOLD IN THE CENTER OF THE ROCK BED. PIPES HAVE
<br />8 D l"y . l~-. . -<; ,:-,/:;;:~·,, ', . >'4.:INCH PERFORATIONS DRILLED EVERY 36 INCHES ANO POINTING DOWNWARD.
<br />r{"Qt,, '"-\ fD _ · · 7_-_ · ~~,,~.-· "··<~0_:-; \. lb!:. A NEW DRILL BIT TO AVOID BURRS 1NS10E THE PIPE. r\tf'.J Ur"I: -;.,. -. ·-.,_ · ::.-~. -......;,.:_. --~-.-, :-.8. NINE INCHES OF ROCK ARE PLACED UNDER THE PERFORATED LATERALS AND 2 · p · : . ~ · · ... · .. ·;:---..__ , -. . . INCHES ABOVE FOR A TOTAL ROCK OEPTH OF 12 INCHES.
<br />. : ~,;·. · :;:: -:: 9. THE ROCK IS FIRST COVERED WITH A LAYER OF HAY OR STRAW WHICH IS THEN NA .. ' ._ :_-~~ -.~ COVERED ;,'f!H A LAYER OF RED ROSIN PAPER LAPPED 6 INCHES AT THE SEAMS.
<br />e.A. RD,ruR/\L -,.o. AT LEAST-6.INCHES OF LOAMY SANO SHOULD BE PLACED OVER THE TOP OF THE ,, tR '""\ . . ROCK BED. , .
<br />L "Y. ~-II. A 6-. INCH LAYER OF TOP SOIL SHOULD BE PLACED OVER THE ENlJRE MOUND so '"-\ I....~ THAT A GRASS COVER CAN BE ESTABLISHED. • · .
<br />1 ~12 CROWN THE SOIL COVER AT LEAST 6 INCHES IN THE CENTER OF THE MOUND
<br />ABOVE THE ROCK LAYER SO THAT HEAVY RAIN WILL RUN OFF .
<br />13. SIDE SLOPES OF THE DIKES SHOULD BE NO STEEPER THAN 4•1 ON CLAY SOILS
<br />AND 3• I ON SANDY SOILS.
<br />14.-0l~~E~ISION "I(. t.i:~l(iil:M 0► TMi ROCK"'-A\'~,DEP€NOS ON THE.AMOUNl:.OF.OAILY
<br />SEWAGE ft:6W-45E£ 'fillBLE:l.
<br />15. MAXIMUM EFFLUENT DOSE PER PUMP CYCLE SHOULD BE NO MORE THE TABLE
<br />VALUES.
<br />16. MINIMUM PUMPING RATE IS SHOWN IN TABLE. PUMPING HEAD MUST BE
<br />ADEQUATE TO OVERCOME ELEVATION DIFFERENCE, FRICTION LOSS PLUS 5 FEET
<br />FOR PERFORATED LATERALS.
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