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2011purplecode Mound Design <br /> www SepticResource com (vers 15 2) <br /> Property Owner: Norton Homes Date: 1/23/2017 <br /> Site Address: 4705 Augusta Street PID: 0611723320006 <br /> Comments: <br /> instructions: � = enter data �� = adjust if desired � = computer calculated - DO NOT CHANGE! <br /> �� �5 bedroom Type C� Residentiat System <br /> . 750 GPD design flow <br /> Yes Garbage disposat or pumped to septic SQ% targer tank with multipte comp/tanks <br /> a 2250 Gat Septic tank (code minimum) 2250 Gal Septic tank (design size / LUG req'd) <br /> Tank options: none <br /> -, 1•2 GPD/ftZ mound sand loading rate contour loading rate of 12 req's a min 62.5 ft. tong rockbed <br /> �.� 10.0 ft rockbed width 62.5 ft rockbed length <br /> �� 3.0 ft lateral spacing 3.0 ft perforation spacing (maximum of 3 for both� <br /> end feed manifold connection <br /> �� �laterals 60.5 feet long 21.0 perfs / lateral 63 perfs totat <br /> 11/2 a perf ineans the first perf starts at the middle feed manifold) <br /> ��, 7/32 inch perfs at �1 feet residual head gives 0.56 gpm flow rate per perforation <br /> for this perf size tx spacing, t� pipe size on tine 12, max perfs/taterat = 30 . tine #8 must be less --> <br /> ;a, 4.0 doses per day (4 minimumj <br /> i i� 188 gatlons per dose (treatment votume) <br /> 2.00 5x <br /> �'� 2.� inch diameter taterals must be used to meet"4x pipe volume"requirement <br /> 2.00 3x <br /> �� 38 feet of 2.0 inch suppty tine teads to �gaUons of drainback volume <br /> (Tip: "top feed" manifold to control the drainback� <br /> i-�, 194 gattons TOTAL pump out volume (treatment + drainbacki <br /> i�� 9 feet vertical lift from pump to mound laterals, teads to a: <br /> ir„ 36 GPM� 16 feet of head, Pump requirement �note: >50gpm may require an extra 3-6'of head) <br /> i,: 750 gal Dose tank (code minimum) 1300 gal Dose tank �design size ! LUG req'd1 at 25.49 gpi <br /> leads to a <br /> ;r 7.6 inch swing on Demand float, or timed dosing of 5.4 min ON �confirm pump rate with drawdown <br /> ([his delivers Average flow, =70`�,of Peak design flow)�9 hrs OFF test and adjust as necessary) <br /> ���, 12 inches from bottom of tank to"Pump OFF"ftoat <br /> �� � 20 inches from bottom of tank to"Pump ON"ftoat, or 12 inches to'Timer ON"float if time dosed <br /> =i� 23 inches from bottom of tank to"Hi Level'"ftoat, or 33 inches to"Hi LeveC'float if time dosed <br /> __, 714 gattons reserve capacity (after High level Atarm is activatedi <br />