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� Z°„��e�� Mound Desi�n <br /> www.SepticResource.com (vers 15.2) <br /> Property Owner: West Bay Homes Date: 6/27/2016 <br /> Site Address: 100 Bayside Trail PID: 0611723220026 <br /> Comments: <br /> instructions: � =enter data � =adjust if desired � = computer calculated - DO NOT CHANGE! <br /> �� �bedroom Type � Residential System <br /> �� 450 GPD design flow <br /> �> Yes Garbage disposal or pumped to septic 50%targer tank with multipte compltanks <br /> i 1500 Ual Septic tank (code minimum) 2000 Gat Septic tank(design size / LUG req'd) <br /> Tank options: none <br /> s� 1•2 GPD/ftZ mound sand toading rate contour loading rate of 12 req's a min 38 ft. long rockbed <br /> � 10.0 ft rockbed width 38.0 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 /> 8� �laterals 36.0 feet long i3.0 perfs / laterat 39 perfs total <br /> (1/2 a pert means the first perf starts at the middle feed manifold) <br /> � 1/4" inch perfs at �feet residual head gives 0.74 gpm flow rate per perForation <br /> for this perf size 8 spacing, �C pipe size on line 12, max perfs/tateral= 25 , line#8 must be less--> OK <br /> io� 4.0 doses per day (4 minimum) <br /> i�� 113 gallons per dose (treatment votume) <br /> 2.00 Sx <br /> ��y 2.00 inch diameter laterals must be used to meet"4x pipe volume"requirement <br /> 2.00 3x <br /> �3, 1TA fe�t of 2.0 inch suppty line leads to 20 gallons of drainback volume <br /> (Tip: "top feed"manifold to control the drainback) <br /> ia� 133 gallons 70TAL pump out volume(treatment+drainback) <br /> is� 8 feet vertical lift from pump to mound laterats, teads to a: <br /> �ei 29 GPM @ 17 feet of head, Pump requirement (note: >50gpm may require an extra 3-6'of head) <br /> »� 500 gal Dose tank (code minimum) 1000 gal Dose tank(design size/ LUG req'd) at 25.00 gpi <br /> leads to a <br /> iai 5.3 inch swing on Demand float, or timed dosing of 4.6 min ON (confirm pump rate with drawdown <br /> (this detivers Average flow, =70%of Peak design flow)e9 hrs QFF test and adjust as necessary) <br /> ►e> 12 inches from bottom of tank to"Pump OFF'float <br /> �o; 17 inches from bottom of tank to"Pump ON"float, or 12 inches to'Timer ON"float if time dosed <br /> zi� 20 inches from bottom of tank to"Hi Level"float,or 30 inches to"Hi Levet"float if time dosed <br /> ��� �gallons reserve capacity {after High Level Atarm is activated) <br />