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<br /> •
<br /> -PER =ORATED -
<br /> Pr--.7.;----- LATERALS
<br /> SANDY LOAM SOIL— - ,,��. -;a•� _ .� .;r
<br /> jay/yam \.
<br /> LAYER OF STRAW OR ;','f ..;.,.•�
<br /> MARSH HAY COVERED `- . • =`� • '� / /'
<br /> WITH RED ROSIN PAPER % i// ,r•
<br /> ,. i ' 4.
<br /> f ,,; /.� // / ".
<br /> I '2 OR 2 : j' -
<br /> . PIPE FROM PUMP /�: : '� i , y.:;�';• // . �%
<br /> �"
<br /> g, _
<br /> CLEAN BOCK - ..�;��" .�� �� r" Y t: //
<br /> • • / e
<br /> ,� DIVERSION FOR
<br /> � ,/% % / �' NOTES. SURFACE WATER
<br /> • 6" TOPSOIL �� - -f / j y ,�/ L SELECT AS LEVEL A SITE AS POSSIBLE FOR THE MOUND.
<br /> i7j' = 2. REMOVE EXCESS VEGETATION.PLOW. DISK OR USING BACKHOE RAKER TEETH.
<br /> - /7 ROUGHEN THE SURFACE SOIL 6 INCHES DEEP DO THIS ONLY IF T!-h: MOISTURE
<br /> i- /- /./
<br /> CONTENT IS LESS THAN THE PLASTIC LIMIT (SOIL IS PLASTIC IF IT CAN BE -OILED
<br /> _r •
<br /> INTO AN '/s INCH WIRE).DO NOT REMOVE ANY OF THE SURFACE SOIL. MOUND
<br /> �."� •+S"�� PERFORMANCE ON CLAY SOIL DEPENDS ON EXTREME CARE TO PREVENT COM HCTION
<br /> •, / AND PUDDLING OF THE CLAY DURING CONSTRUCTION. DO NOT USE HEAVY CDNSTRUC-
<br /> -� - +« --• �'= •`? ' • - ION EQUIPMENT AND DO NOT CONSTRUCT THE MOUND WHEN THE CLAY SOIL IS
<br /> ��..,.,. ...-----r•---• - -. - y / / J IN A PLASTIC CONDITION.
<br /> "=��` �'� ' 3. USE ONLY TRACK-TYI£ EQUIPMENT FOR CONSTRUCTING THE MOUND SO AS NOT
<br /> �� ' -� .�• TO COMPACT THE ORIGINAL SOIL.
<br /> • `~ _- �^ _ - �9�,.-� / �� `• •
<br /> I -'/-• - 4.
<br /> TION RATE NO SLOWER THAN 120 MINUTES PENATURALR INCH AND NO FASTER THAN 5
<br /> ' --`?"--r.... y _ ' . I �] •' . MINUTES PER INCH.BEFORE PLACING THE LAYER OF CLEAN SAND.
<br /> •
<br /> / . '° 1 .4 ` ' G - r- y.--„,-,•:, 5. THE 12 INCH LAYER OF CLEAN SAM) IS PART OF THE MOUND CONSTRUCTION. SAND
<br /> S h 1+ t - .r`' - .-!. :,- • J IS CONSIDERED CLEAN IF IT CAN PASS THE"FRUIT JAR TEST FOR CONCRETE SAND
<br /> N ~
<br /> S ` n 1.O E „ ► 4;' :` 6 THE TOP OF THE CLEAN SAND LAYER AND THE TOP OF THE ROCK BED MUST BE
<br /> n' AN ` ��-J�� . „ ' ---,,.-..).i.-,_! ....„-,,...41:,._,..--_-,...,.,•,....,-.....,..:_v,.....-,-,--,."
<br /> CONSTRUCTED LEVEL
<br /> ANp i `,• 7' DISTRIBUTION PIPES ARE it/2-INCH DIAMETT_R SPACED 40 INCHES ON CENTER
<br /> FI LL SOD 36 �\ ; •` AND CONNECTED TO A MANIFOLD IN THE CENTER OF THE ROCK BED. PIPES HAVE
<br /> 1_
<br /> / INCH PERFORATIONS DRILLED EVERY 36 INCHES AND POINTING DOWNWARD.
<br /> BR ENA'). !-. ---.. .,_-_::::•,.-...,_•-..,•.
<br /> 'r , UsE A NEW DRILL BIT TO AVOID BURRS INSIDE THE PIPE.
<br /> 0 F\ �I� `"a '••• .a NINE INCHES OF ROCK ARE PLACED UNDER THE PERFORATED LATERALS AND 2
<br /> Up - INCHES ABOVE FOR A TOTAL ROCK DEPTH OF 12 INCHES.
<br /> 9.THE ROCK IS FIRST COVERED WITH A LAYER OF HAY OR STRAW WN;CH IS THEN
<br /> /� • ``:-J--- COVERED WITH A LAYER OF RED ROSIN PAPER LAPPED 6 INCHES AT THE SEAMS.
<br /> • SARN`�TIJ R, -�10.AT LEAST,__-
<br /> pa INCHES OF LOAMY SAND SHOULD BE PLACED OVER THE TOP OF THE
<br /> '`A L :a... ROCK BED-
<br /> II. A 6-INCH LAYER OF TOP SOIL SHOULD BE PLACED R THE
<br /> �� E
<br /> EAYE�12 THAWN GGRASS A SOIL COVER CAN
<br /> BEAT LEASTST6uSHED.INCHES IN THE CENTER OFiTHEMOUND MOUNOSO
<br /> ABOVE THE ROCK LAYER SO THAT HEAVY RAIN WILL RUN OFF.
<br /> 13. SIOE SLOPES OF THE DIKES SHOULD BE NO STEEPER THAN 4,1 ON CLAY SOILS
<br /> AND 3,1 ON SANDY SOILS.
<br /> M.-O • LAYER.DEPENDS ON THE AMOUNT_OF DAILY
<br /> SE £)-
<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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