Laserfiche WebLink
2011 purple code Mound Design <br />www.SepticResource.com {vers 15.2} <br />Property Owner: Stonewood LLC. Date: 6/18/2018 <br />Site Address: Proposed Lot 1 PID: 0211723230005 <br />Comments: Site B <br />instructions: F—� = enter data = adjust if desired W computer calculated - DO NOT CHANGE! <br />tr bedroom Type �I Residential System <br />,r 75D GPD design flow <br />3, Yes Garbage disposal or pumped to septic 50% larger tank with multiple comp/tanks <br />I 2250 Gal Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) <br />Tank options: none <br />.5 1.2 GPD/ft2 mound sand loading rate contour loading rate of 12 req's a min 62.5 ft. long rockbed <br />n) 1Q.0 ft rockbed width 62.5 ft rockbed length <br />71 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both) <br />end feed manifold connection <br />s, laterals 6D.5 feet long 21.0 perfs / lateral 63 perfs total <br />(1 /2 a pert means the first perf starts at the middle feed manifold) <br />0I inch perfs at feet residual head gives 0.56 gpm flow rate per perforation <br />for this perf size Ft spacing, Et pipe size on line 12, max perfs/lateral = 30 line #8 must be less OK <br />10 4.0 doses per day (4 minimum) <br />111 gallons per dose (treatment volume) <br />2.00 5x <br />11) 2.00 inch diameter laterals must be used to meet 'Ax pipe volume" requirement <br />2.00 3x <br />13) feet of 2.D inch supply line leads to ##### gallons of drainback volume <br />(Tip: "top feed" manifold to control the drainback) <br />!a) ######', gallons TOTAL pump out volume (treatment + drainback) <br />t i feet vertical lift from pump to mound laterals, leads to a: <br />ni 36 GPM @ ##### feet of head, Pump requirement (note: >50gpm may require an extra 3-6' of head) <br />a 750 gal Dose tank (code minimum) 1250 gal Dose tank (design size / LUG req'd) at 25.49 gpi <br />leads to a <br />inch swing on Demand float, or timed dosing of <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 />t >> 12 inches from bottom of tank to "Pump OFF" float <br />o ###### inches from bottom of tank to "Pump ON" float, or12 inches to "Timer ON" float if time dosed <br />1) ###### 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 />