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<br /> 11 PENCIL .
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<br /> - MARKS - ....• .
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<br /> * 4.. .,. - MANHOLE
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<br /> INLET L 4 --14-----:-.,:x3-5---,Q.4 ..,------- - SCUM .... .-r- • Iii
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<br /> :..... ___ .....:-..-s• 14.. , • OUTLET
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<br /> ..":)‹.:-•-•OUTLET LEVEL
<br /> ..' •,t--- :. „ii- is -: -.i.. )%.. -. .r.:1-1---1 - - — - _ ' . . •-----i-i-,7_ "--Al-cs. II, il r. .• •••••••• •
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<br /> ,.. — —. ——_ _ -----ti-- II — 1. •
<br /> - ——— SCUM CLEAR SPACE_ - 1- ,
<br /> *. ...; _ _ _ CLEAN OUT TANK WHEN:
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<br /> ""- — :. -r w IS 3" OR LESS OR
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<br /> — _ --: B "B" IS 12" OR LESS
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<br /> •• ... -. ... BLACK COLOR
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<br /> 1.::i!..:•:'•-:•:....:.: - ' SLUDGE
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<br /> DISTINGUISHES SLUDGE GE
<br /> . . -. • . LAYER FROM LIQUID
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<br /> MEASURE SCUM AND SLUDGE ACCUMULATIONS
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<br /> IN THE SEPTIC TANK • .
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