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F G E E E STORMWATER RETENTION BASIN c D DATE MAY-2019 6' DEEP DRAvm By ' - us 42" DIA X 25' DEEP H _ --- CHECKO BY ' (4 HOLES) _ I 1 10' - 11' 10' , „ 10' I $'-0' O.D. RIBS 7'--8" O.D. SHELL I OF GUIDE GUIDE LUG Ll 213 4 5 [6T78 9 1b 11 12 LUG INSPECTION TUBES (8) BAFFLE DETAIL O D O SEPTIC TAN K D ETAI L Z 0 i ,— 5 HOLE D-BOX 0 W W/RISERS & LID TO GRADE H 0 w LO PERFORATED PIPE Q Er z o) FINAL /G;RADE p �' W Q 90 � � JCLU � cnaaZ = `1U0 � tl) � � � 42"X25' TIGHTLINEQ = Z Q U SEEPAGE PIT 3 'X3'X4" 8K GAL 0w w 0 (4) LEACHLINE CONCRETE PAD SEPTIC TANK = QM Cn TRENCH (4) m W ti z = M v PERFORATE PPE TIGHTLINE W/4" RISE HYDRAULIC GRADE LINE CL-" 0 0 0 01 ' ABOVE BOTTOM QOF TRENCH O . W . T . S SCHEMATIC N . T . Sp lot I 100% REPLACEMENT AREATES �� INSIDE CUT OUTS TO ACCEPT L� POLYLOK SEAL PRT. NO.3001 1 . REFER TO S.J.C. O.W.T.S. STANDARDS AND CHESNEY 5 HOLE D- BOX WITH TYP. 50PLCS.CONSULTING REPORT NO. SSD--015.19 FOR ADDITIONAL s �� (USE 5118 HOLE SAW) DETAILS. 3 X 3 X 4 CONCRETE PAD f 2. THE INFLUENT TIGHTLINE FROM RESTROOMS MUST BE 4 INSTALLED SO THAT THE INVERT FLOWLINE IS AT THE FIRE A ROAD \ ll t o HIGHEST ELEVATION POSSIBLE, THROUGH THE FOOTING OF THE TEMPLE FOUNDATION. PLUMBER AND O.W.T.S. CONTRACTOR MUST COORDINATE TO KEEP SEPTIC TANK v r � HIGH IN ELEVATION. z coi W POLYLOK 24" D- 3. SEPTIC TANK: XERCES CORPORATION, TWO � ay �1 BOX COMPARTMENT 8,000 GALLON CAPACITY WITH INLET SPEC'D im cc PART NO. 3017-24 PER SIDE OF TANK. INSTALL UNDER STRICT GUIDELINES J U v �-' ! ?� MATERIAL - POLYPROPYLENE PER XERXES CORP WEBSITE. INSTALL POLYLOK, INC. P/N CL Cc �� '+ OLYPRQ PL-525 10K GAL/DAY EFFLUENT FILTER AT OUTLET OF (n - w a— 1 l CAPACITY - 28 GALLONS TANK. >- W 1 zzo � 8,000 GALLON II �� ; 4. RUN 4" DIA. SCH. 40 PVC INSTALLED FROM SEPTIC ��j TANK OUTLET TO 5-HOLE POLYLOK RHINO 24-INCH, 28 cn Z CC t SEPTIC TANK GAL CAPACITY DISTRIBUTION BOX (D--BOX) AT 2% GRADE. = w H a 8'X26' } CONSTRUCT LEVEL 3'X3'X4" CONCRETE PAD FOR D-BOX U J m TO SIT ON. FINISH CONCRETE PAD ELEVATION SO THAT z 7 M HIGHEST KNOCK-OUT OUTLETS ARE USED. INSTALL Lu G U m , POLYLOK FLOW EQUALIZERS ON EACH OF THE FOUR Z O T_ TIGHTLINE OUTLETS. ENSURE INITIAL EQUAL FLOW THRU (� mcb POLYLOK D EQUALIZERS BY WATER TESTING. INSTALL RISER AND W . to D-BOX LID COVER TO FINAL SURROUNDING GRADE SQ NEW RESTROOM AND THAT EQUAL FLOW CAN BE PERIODICALLY CHECKED. = d. o UTILITY BUILDING 5. CONNECT FOUR 4" DIA. SCH. 40 PVC PERFORATED N FINAL GRADE THREADED CAP LEACHLINE PIPE AS ORIENTED ON PLANS WITH DRAIN ROCK UNDER PIPE TO FLOOR OF LEACHLINE TRENCH AT 42" BELOW FINAL GRADE. INSTALL 8 INSPECTION TUBES AS NOTED WITH THREADED CAPS EXTENDING INTO FINAL GRADE IRRIGATION BOXES FOR PERIODIC INSPECTION. IRRIGATION sox—_" WITH COVER RUN PERFORATED PIPES LEVEL. AT ENDS OF PERFORATED PIPES, CONNECT TIGHTLINE AT 4" INCLINE UP TO 4" 5CH 40 PVC PIPE SEEPAGE PIT TEE. 5' DISTANCE BETWEEN END OF FABRIC. SECURE WITH ZIP WRAP ENDS WITH FILTER LEACHLINE AND EDGE OF SEEPAGE PIT. CONNECT TEE TO TIE OR EQUILVALENT. SEEPAGE PIT PERFORATED PIPE RUNNING ENTIRE PIT DEPTH. LEACHLINE REQUIREMENT: 1 ,125 CTC + (0.75 X SOIL--EFFUENT 1 ,536 GPD ADF)= 2,277 X 0.250 SF = 570 LFLL; 1 ,688 INTERFACE LFLL TO BE INSTALLED. LEACHLINES= 28%, SUMPS= 72% i�fessi�h� IZECEIVEI) 6. INSTALL 42' DIA. X 25' DEEP SEEPAGE PITS AT EACH Qt END OF THE FOUR LEACHLINES. BACKFILL EACH PIT WITH 4�b �°. Ch �i rMIN. WASHED DRAIN ROCK. COVER DRAIN ROCK OF BOTH �'� r'`f. '�� JUL 18 2019 (T1'P) LEACHLINES AND SEEPAGE PITS WITH GEOTECHNICAL a NVIIZONNIENTAL HEATH FILTER FABRIC AND BACKFILL TO FINAL GRADE WITH ti DEA`AlZTl'*l ENT O . W . T . S . DESIGN LAYOUT ON-SITE NATIVE SOIL. *ter INSPECTION TUBES 7. 100% REPLACEMENT/RESERVE AREA IS DIRECTLY SOUTH a cls► OF THE PRIMARY DISPOSAL AREA LEACHFIELD. �`� of cak�ko