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2011 purplecode Mound Design <br /> www Sept�cResource com ivers 15.2j <br /> Property Owner: West Bay Homes Date: 6r27/2016 <br /> Site Address: 100 Bayside Trait PID: 0611723220026 <br /> Comments: <br /> instructions: � = enter data � = adjust if desired � = computer catculated - DO NOT CHANGE! <br /> �3 bedroom Type � Residential System <br /> _ 450 GPD design flow <br /> Yes Garbage disposal or pumped to septic 50% targer tank with multipte comp�tanks <br /> � 1500 Gal Septic tank �code minimum� 2000 Gal Septic tank (design size % LUG re�'d� <br /> Tank options: none <br /> 1•2 GPD/ft� mound sand loading rate contour toading 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 laterat spacing 3.0 ft perforation spacing imaximum of 3 for both) <br /> end feed manifold connection <br /> � �3 taterals 36.0 feet tong 13.0 perfs / laterat 39 perfs total <br /> �1/2 a perf means the first perf starts at the middle feed manifold) <br /> t/4" inch perfs at �feet residual head gives 0.74 gpm f(ow rate per perforation <br /> for this perf size Ec spacing, �t pipe size on line ?2, max perfs/lateral = 25 . iine z8 must be iess --> <br /> i�,; 4.0 doses per day { 4 minimumi <br /> i i, 113 gatlons per dose {treatment volume► <br /> 2.00 5x <br /> �, 2.00 inch diameter laterals must be used to meet "4x pipe votume" requirement <br /> 2.00 3x <br /> 120 feet of 2.0 inch supply line leads to 20 gatlons of drainback volume <br /> ITip: "top feed" manifold to control the drainback� <br /> 133 galtons TOTAL pump out volume �treatment � drainbackj <br /> i� 8 feet verLical lift from pump to mound laterals, teads to a: <br /> i��. 29 GPM � 17 feet of head, Pump requirement �note: y50gpm may require an extra 3-6'of head) <br /> i, 500 gal Dose tank tcode minimum) 1000 gal Dose tank (design size ! LUG req'd) at 25.00 gpi <br /> leads to a <br /> i.� 5.3 inch swing on Demand itoat, or timed dosing of 4.6 min ON �confirm pump rate with drawdown <br /> (this delivers Average flow, =70%of Peak design flow►�hrs QFF test and adjust as necessary) <br /> ��� 12 inches from bottom of tank to "'Pump OFF"ftoat <br /> ,� 17 inches from bottom of tank to "Pump ON"float, or 12 inches to "Timer ON" float if time dosed <br /> _� 20 inches from bottom of tank to "Hi Level" ftoat, or 30 inches to"'Hi Level" float if time dosed <br /> __ 500 �allons reserve capacity iafter Hi;h Levet Alarm is activated� <br />