Laserfiche WebLink
COLOR:,00 DEPART`!ENT OF HEALTH <br />Water Quality Control Division <br />Rationale - Page 5 - <br />Permit No.: LO-0038176 <br />• <br />TABLE 2 <br />SUMMARIZATION OF DESIGN CRITERIA FOR THE DOMESTIC ',IWTP <br />SEWER LINES <br />Type and size <br />Velocity <br />Slopes <br />Areas served <br />Influent to WWTP <br />Effluent line from WWTP <br />Sludge transfer pipe <br />• INFLUENT WASTEWATER CHARACTERISTICS <br />Flow <br />Boog <br />80D5, organic loading <br />TSS <br />TSS Loading <br />ML'JSS <br />• <br />BAR SCREEN <br />Type <br />Velocity <br />EQUALFZATION BASIN <br />Size <br />Water Depth <br />Volume <br />Detention Time <br />AERATION BA5111: <br />Number <br />size <br />Water Depth <br />Total Volume <br />Detention Time <br />:n n~ +~rn <br />6" PVC (gravity flow) <br />1.94 fps ~ minimum slope (.469$) <br />5.98 fps ~ maximum slope (10$) <br />3.42 fps ~ into WWTP <br />~1$ into influent junction, box, 0.47a <br />to 10.0$ at other locations <br />Shop/warehouse, changehouse, administration <br />building, water treatment plant, breaker <br />building <br />6" PVC (Schedule 40) <br />6" PVC (SDR) 35); approximately 240' from <br />discharge location to ditch and 600-700 <br />from ditch to N. Fork Gunnison <br />3" galvanized steel pipe <br />0.0100 MGD (average design flow) <br />337 mg/1 <br />28.1 16/day <br />325 mg/1 <br />28.5 Ib/day <br />3000 mg/1 <br />One stainless steel bar screen, with bars <br />approximately 1 1/3 ft. in length (1 1/3" <br />x 1 1/3' area for unit) <br />1.9 fps <br />One basin, 3'9"(1)x11'10"(w)x10'tl"(h) <br />9'1t" <br />2936 gal. <br />7.0 hours <br />One <br />12'6"(1)x11'10"(w)x10'tl"(h) <br />9'tt" <br />9788 gal (or 1308.5 cu ft) <br />2't,S hrs <br />