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2011 purple code Mound Design <br />www.SeptieResource.com (vers 15.2) <br />Property Owner: Stonewood LLC. Date: 6/16/2018 <br />Site Address: Proposed Lot 4 PID: 0219723230006 <br />Comments: Site A Et C <br />instructions: = = enter data = adjust if desired = computer calculated - DO NOT CHANGE! <br />I s bedroom Type Residential System <br />21 750 GPD design flow <br />3) Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks <br />4) 2250 Gal Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) <br />Tank options: none <br />1 1.2 GPD/ft2 mound sand loading rate contour loading rate of =req's a min 62.5 ft. long roekbed <br />01 10.0 ft roekbed width 62.5 ft rockbed length <br />7) 3,0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br />end feed manifold connection <br />81 laterals 60.5 feet long 21.0 perfs / lateral 63 perfs total <br />(1 /2 a perf means the first perf starts at the middle feed manifold) <br />Q) 7/32 inch perfs at feet residual head gives 0.56 gpm flow rate per perforation <br />for this perf size Et spacing, Et pipe size on line 12, max perfs/lateral = 30 line #8 must be less > OK <br />1�) 4.0 doses per day (4 minimum) <br />iii 188 gallons per dose (treatment volume) <br />2.00 5x <br />l_') 2.00 inch diameter laterals must be used to meet "4x pipe volume" requirement <br />2.00 3x <br />i rfeet of 2.0 inch supply line leads to ##### gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />141 ###### gallons TOTAL pump out volume (treatment + drainback) <br />feet vertical lift from pump to around laterals, leads to a: <br />rc„ 36 GPM @ ##### feet of head, Pump requirement (note: >50gpm may require an extra 3 6' of head) <br />17) 750 gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 25.49 gpi <br />leads to a <br />iso ###### inch swing on Demand float, or timed dosing of Whrs <br />min ON (confirm pump rate with drawdown <br />(this delivers Average flow, =70% of Peak design flow) OFF test and adjust as necessary) <br />10) R�t##,### <br />inches from bottom of tank to "Pump OFF" float <br />N inches from bottom of tank to "Pump ON" float, or 12 inches to "Timer ON" float if time dosed <br />21 r inches from bottom of tank to "Hi Level" float, or ##### inches to "Hi Level" float if time dosed <br />22) ###### gallons reserve capacity (after High Level Alarm is activated) <br />