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Home My WebLink AboutPlanFILTER BARRIER INSTALLATION &MAINTENANCE 1. DIG A 6" TRENCH ON THE UPHILL SIDE OF THE BARRIER LOCATION. 2. POSITION THE POSTS ON THE DOWNHILL SIDE OF THE BARRIER AND DRIVE THE POST 1.5 FEET INTO THE GROUND. 3. LAY THE BOTTOM 6" OF THE FABRIC IN THE TRENCH TO PREVENT UNDERMINING AND BACKFILL. 4. INSPECT AND REPAIR BARRIER AFTER HEAVY RAINFALL. 5. SEDIMENT DEPOSITS ARE TO BE REMOVED WHEN THEY REACH A HEIGHT OF ONE FOOT BEHIND THE BARRIER AND ARE TO BE DEPOSITED IN AN AREA WHICH IS NOT REGULATED BY THE INLAND WETLANDS COMMISSION. 6. INSPECTIONS AND NECESSARY REPAIRS WILL BE MADE TWICE WEEKLY. TEMPORARY VEGETATIVE COVER A TEMPORARY SEEDING OF RYE GRASS WILL BE COMPLETED WITHIN 15 DAYS OF THE FORMATION OF STOCKPILES. IF THE SOIL IN THE STOCKPILES HAS BEEN COMPACTED BY CONSTRUCTION OPERATIONS IT SHALL BE LOOSENED TO A DEPTH OF 2 INCHES BEFORE THE FERTILIZER, LIME AND SEED IS APPLIED. 10-10-10 FERTILIZER AT A RATE OF 7.5 POUNDS PER 1000 S.F. LIMESTONE AT A RATE OF 90 LBS. PER 1000 S.F. SHALL BE USED. RYE GRASS APPLIED AT A RATE OF 1 LB. PER 1000 S.F. SHALL PROVIDE THE TEMPORARY VEGETATIVE COVER. STRAW FREE FROM WEEDS AND COARSE MATTER SHALL BE USED AT A RATE OF 70-90 LBS. PER 1000 S.F. AS A TEMPORARY MULCH. APPLY MULCH AND DRIVE TRACKED EQUIPMENT UP AND DOWN SLOPE OVER ENTIRE SURFACE SO CLEAT MARKS ARE PARALLEL TO THE CONTOURS. N FILTER FABRIC BAN KRUN --� GRAVEL �- - 3" 3"-- 2'- 10 " 12" HIGH CAPACITY INFILTRATOR NOT TO SCALE 11'-0" 8" TYP. 2 PLACES 00 i ► 1 1 /-T T/m T r'%1 A / , r- 0 PERMANENT VEGETATIVE COVER TOPSOIL WILL BE REPLACED ONCE THE EXCAVATION HAS BEEN COMPLETED AND THE SLOPES ARE GRADED TO A SLOPE NO GREATER THAN 2.5 TO 1. PROVIDE SLOPE PROTECTION ON ALL CUT SLOPES. TOPSOIL WILL BE SPREAD AT A MINIMUM COMPACTED DEPTH OF 4 INCHES. ONCE THE TOPSOIL HAS BEEN SPREAD, ALL STONES TWO INCHES OR LARGER IN ANY DIMENSION WILL BE REMOVED AS WELL AS FILTER FABRIC 10' DEBRIS, APPLY AGRICULTURAL GROUND LIMESTONE AT THE RATE OF TWO TONS PER ACRE OR 100 LBS. MAXIMUM POST PER 1000 S.F. APPLY 10-10-10 FERTILIZER OR EQUIVALENT AT A RATE OF 300 LBS. PER ACRE OR WIRE MESH 7.5 LBS. PER S.F. WORK LIMESTONE INTO THE SOIL TO A DEPTH OF 4 INCHES. INSPECT SEEDBED FENCING BEFORE SEEDING. IF TRAFFIC HAS COMPACTED THE SOIL, RETILL COMPACTED AREAS. APPLY THE FOLLOWING GRASS SEED MIX: SEED MIXTURE LBS. ACRE Les./1000 S.F. KENTUCKY BLUEGRASS 20 0.45 CREEPING RED FESCUE 20 0.45 PERENNIAL RYEGRASS 5 0.10 " 45 1.00 .� THE RECOMMENDED SEEDING DATES ARE: APRIL 1 - JUNE 15 AND AUGUST 1 - SEPTEMBER 15 COMPACTED BACKFILL AFTER FOLLOWING SEEDING, FIRM SEED BED WITH A ROLLER. MULCH WITH WEED FREE STRAW PLACEMENT OF SILT FENCE IMMEDIATELY FOLLOWING SEEDING. IF A PERMANENT VEGETATIVE STAND CANNOT BE ESTABLISHED SILT FENCE DETAIL NOT TO SCALE D -BOX #1 - REVERSED INV. IN=544.67 INV. TO SYSTEM = 544.67 INV. TO D -BOX #2=544.84 INV. INTO I N FL ITRATO R = 544.42 BOTTOM INFLITRATOR=543.50 D- OX 2 INV. IN=54; I NV. TO SY! INV. INTO 11 BOTTOM INf -v L.V. I .v.v. r It L .3LKL TYP. 3 PLACES PLAN VIEW 40' 0 40' 80' SCALE: 1"=40' l TH#640A TH 639A t LOT; #43/�- 020 , f TH"' 42A l TH#641A --4- 24"DIA. 24"DIA. 6" COVER COVER 18" 6" 20" INLET BAFFLE m - 6" WALLS 4' -1 " I LIQUID j UTLET ¢ LEVEL " L. P. P.V.C. 6" IPE SEAL 1,500 GALLON SEPTIC TANK NOT TO SCALE or r g :0 r wl oz f'03 ow OUTLET FILTER DEVICE SUBDIVISION PLAN, ALLISON'S WAY SUBDIVISION, PREPARED FOR RTT DEVELOPMENT, INC., CHAPEL HILL ROAD & FORSYTH ROAD, MONTVILLE, CT, PREPARED BY CME/CPK DESIGN GROUP, 110 BROADWAY, NORWICH, CT, DATED: 1/01/03, REVISED TO: 6/20/2003. TEST HOLE DATA PER REFERENCE PLAN TEST HOLE #642 0"-2" TOPSOIL & ROCKS 2"-33" BROWN SANDY LOAM 33"-110" COMPACT GRAY SILTY SAND W/ROCKS NO LEDGE, WATER ® 101", NO MOTTLING TEST HOLE .#643 0"-10" TOPSOIL & ROCKS 10"-37" BROWN SANDY LOAM 37"-101" WATER NO LEDGE, WATER @ 21", NO MOTTLING TEST HOLE #644 0"-3" TOPSOIL & ROCKS 3"-24" BROWN SANDY LOAM 24"-107" COMPACT GRAY SILTY SAND W/ROCKS NO LEDGE, WATER ® 100", NO MOTTLING TEST HOLE #645 0"-9" TOPSOIL & ROCKS 9"-20" BROWN SANDY LOAM 20"-101" WATER NO LEDGE, WATER @ 20", NO MOTTLING TEST HOLE 539A 0"-.-,q » I `nC)COIL = 1"-32" BROWN SANDY LOAM 32"-92" COMPACT GRAY SILTY SAND NO LEDGE, WATER ® 52", MOTTLING CSA 36" TEST HOLE #640A 0"-2" TOPSOIL 2"-27" BROWN SANDY LOAM 27"-93" COMPACT GRAY SILTY SAND NO LEDGE, WATER @ 38", MOTTLING ® 27" TEST HOLE #641A 0"-1 " TOPSOIL 1"-25" BROWN SANDY LOAM 25"-88" COMPACT GRAY SILTY SAND NO LEDGE, WATER @ 70", NO MOTTLING TEST HOLE #642A 0"-2" TOPSOIL 2"-28" BROWN SANDY LOAM 28"-106" COMPACT GRAY SILTY SAND NO LEDGE, WATER 0 34", NO MOTTLING PERCOLATION RATE INFORMATION PROVIDED PER REFERENCE PLAN PERCOLATION RATE: LOT #43/9-020= 8.3 MIN/INCH DESIGN DATA PERCOLATION RATE = 1.0-10 MIN./INCH 3 BEDROOM RESIDENCE REQUIRES 495 SF OF LEACHING AREA PROVIDE 22 - 1'4"H x 2'10"W x 6'3"L HIGH CAPACITY INFILTRATOR SECTIONS 2 ROWS OF 11 SECTIONS AT 9' O.C. EFFECTIVE LEACHING AREA = (22x6.25 LF) x 3.9 SF/LF = 536.3 SF PROVIDE 1,500 GAL. 2 -COMPARTMENT TANK M.L.S.S. REQUIRED = 34 x 1.5 x 1.2 = 61.2' M.L.S.S. PROVIDED = 68.75' PREPARE AREA OF PROPOSED SYSTEM AS FOLLOWS 1. REMOVE AND STOCKPILE TOPSOIL. 2. PLACE BANK RUN GRAVEL (LESS THAN 5% FINES) PLACED IN 6" LIFTS AND COMPACTED TO 95% DENSITY. 3. EXCAVATE 4' WIDE TRENCHES AND PREPARE SURFACE. 4. FILL TRENCHES WITH 1" WASHED STONE TO HEIGHT OF PIPE INVERTS PLACE PIPE IN TRENCH, AND FILL TO 2" OVER TOP OF PIPE. 5. CAP ENDS OF PIPES. 6. PLACE A 4' WIDE STRIP OF NON -WOVEN FILTER FABRIC ON TOP OF THE ENTIRE LENGTH OF THE SYSTEM AND BACKFILL WITH NATIVE MATERIAL. 7. REPLACE TOPSOIL, SEED & MULCH. GENERAL NOTES 1. TOPOGRAPHIC INFORMATION ON THIS PLAN COMPLIES WITH T-2 MAPPING STANDARDS. 2. BASE FOR LEVELS: SUBDIVISION MAP. 3. PROPOSED HOUSE AND SEPTIC SYSTEM TO BE STAKED IN THE FIELD BY A LAND SURVEYOR LICENSED IN THE STATE OF CONNECTICUT. 4. LOT AREA = 2.96t ACRES 5. ALL WORK AND MATERIAL (SEPTIC TANK, DISTRIBUTION BOX, PIPE) SHALL CONFORM TO THE CONNECTICUT PUBLIC HEALTH CODE REGULATIONS AND STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEM. 6. SEWER LINE FROM FOUNDATION WALL TO SEPTIC SHALL BE 4" SCHEDULE 40 PVC - ASTM D 1785 AND JOINTS PER HEALTH DEPT. CODE. 7. TRENCHES SHALL BE SET LEVEL FOR ENTIRE LENGTH AND HAVE A CENTER TO CENTER SPACING OF 9 FEET. 8. PIPE FROM SEPTIC TANK TO DISTRIBUTION LINES SHALL BE 4" SOLID PVC CONFORMING TO ASTMD-3034 AND SDR -35. 9. FOUNDATION DRAIN PIPE FROM HOUSE TO CATCH BASIN SHALL CONFORM TO TABLE 2-C OF THE CONNECTICUT PUBLIC HEALTH CODE REGULATIONS AND STANDARDS FOR INSTALLATION WITHIN 25 FEET OF A SEWAGE DISPOSAL SYSTEM. 10. THERE ARE PRESENTLY NO KNOWN WATER WELLS WITHIN 75' OF THE PROPOSED SEPTIC SYSTEM. 11. A VERTICAL BENCHMARK WILL BE PROVIDED WITHIN 100 FEET OF THE PROPOSED HOUSE LOCATION PRIOR TO THE START OF CONSTRUCTION. 12. CLEAR AND GRUB THE AREA WHERE THE SEPTIC SYSTEM AND HOUSE ARE TO BE CONSTRUCTED. ALL TOPSOIL IS TO BE STRIPPED AND STOCKPILED FOR FUTURE USE. 13. ALL FILL MATERIAL SHALL BE CLEAN EARTH FREE OF STUMPS, ORGANICS, CONSTRUCTION DEBRIS AND TOPSOIL. 14. TOPSOIL SHALL BE RE-APPLIED OVER ALL FILL AREAS AND ALL DISTURBED AREAS TO PROVIDE A MINIMUN DEPTH OF FOUR INCHES. 15. ALL EXISTING UTILITIES TO BE ACCURATELY LOCATED PRIOR TO CONSTRUCTION. 16. IF BLASTING IS REQUIRED A PRE -BLAST SURVEY WILL BE REQUIRED. CALL BEFORE YOU DIG: 1-800-922-4455. 6" CRUSHED GRAVEL - (COMPACTED) HOT BITUMINOUS PAVEMENT 1" WEARING COURSE 2" RA' -';FC OHIRSF ___ 12" GRAVEL J (COMPACTED) BITUMINOUS DRIVE NOT TO SCALE 4" TOPSOIL a;. 0 4" LOAM AND SEED FILL ---/6' CLEAN FILL ---/ & _SEED CROSS-SECTION DETAIL NOT TO SCALE 11111:1V i 480 PROPERTY LINE SETBACK LI N E EXIST. CONTOURS EDGE OF ROAD EDGE OF DRIVEWAY PRIMARY SEPTIC SYSTEM RESERVE SEPTIC SYSTEM PROPOSED CONTOUR LINE CLA Engineers,Inc. CIVIL • STRUCTURAL - SURVEYING 317 Main Street Norwich, Connecticut No. Date Revision (860) 886-1966 Fax (860) 886-9165 Project No. RTT Development, Inc. CIA -3186 Proj. Engineer ALLISON'S WAY SUBDIVISION DateI.M.S. MONTVILLE, CT 11/5/03 Sheet No. Septic Design - Lot #43/9-020 61UA!5 J 6:011 5