The URL can be used to link to this page

Home My WebLink AboutSeptic LayoutV r4.1 100 0 100 200 mmmw SCALE: 1 "=100' 1 LOCATION MAP SCALE: 1 1000' Q , PROPERTY LINE SETBACK UNE 480 EXIST. CONTOURS 1 /C0 PROPOSED BUILDING EDGE OF ROAD EDGE OF DRIVEWAY WETLANDS WETLAND BUFFER 0 PRIMARY SEPTIC SYSTEM RESERVE SEPTIC SYSTEM N STONEWALL 0 46 PROPOSED CONTOUR UNE I, SALT FENCE r TZ CLA Engineers, Inc. iI 317 Main Street Norwich, CT 06360 N>;. DATE REVISION (860) 886-1966 Fax (860) 886-9165 Project No. GAGNON- VENUTI CIA -5870 Proj. Engineer E.M.B DEERRIDGE SUBDIVISION - LOT 1 Date: — MONTVILLE, CONNECTICUT MAY2004 Sheet No. SEPTIC SYSTEM LAYOUT z LOCATION MAP SCALE: 1 1000' Q , PROPERTY LINE SETBACK UNE 480 EXIST. CONTOURS 1 /C0 PROPOSED BUILDING EDGE OF ROAD EDGE OF DRIVEWAY WETLANDS WETLAND BUFFER 0 PRIMARY SEPTIC SYSTEM RESERVE SEPTIC SYSTEM N STONEWALL 0 46 PROPOSED CONTOUR UNE I, SALT FENCE r TZ CLA Engineers, Inc. iI 317 Main Street Norwich, CT 06360 N>;. DATE REVISION (860) 886-1966 Fax (860) 886-9165 Project No. GAGNON- VENUTI CIA -5870 Proj. Engineer E.M.B DEERRIDGE SUBDIVISION - LOT 1 Date: — MONTVILLE, CONNECTICUT MAY2004 Sheet No. SEPTIC SYSTEM LAYOUT m Ill 66 r- 0 N N 14 0 0 00 v 0 C M 0 00 Ln 0 0 00 Ln 0 0 0 Ln i CLA SEPTIC SYSTEM DESIGN SEPTIC S (STE ! 1 C 7 PRIMARY SYSTEM: PERCOLATION RATE: 1 TO 10 MIN./INCH 3 BEDROOM HOUSE EFFECTIVE LEACHING AREA REQUIRED = 495 SF USE A 12" DEEP x 48" WIDE TRENCH EFFECTIVE LEACHING AREA OF TRENCH = 3.0 SF/LF LENGTH OF TRENCH REQUIRED = (495 SF)/(3.0 SF/LF) = 165 LF DEPTH TO RESTRICTIVE LAYER = 82" MLSS NEED NOT BE CONSIDERED USE THREE ROWS OF 55' AT 9' O.C. LEACHING AREA PROVIDED = 495 SF RESERVE SYSTEM: USE SAME DESIGN AS PRIMARY SYSTEM 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. TEST HOLE DATA: TEST HOLES RECORDED BY AMANDA ACHMATOW & ROBERT RUSSO OF CLA ENGINEERS ON NOVEMBER 19, 2002. TH #1 E 103" TOTAL DEPTH 0"-22" YELLOW BROWN SUBSOIL 22"-103" GRAY, YELLOW GRAY & PALE GRAY SAND TOPSOIL ABSENT NO BEDROCK NO WATER NO MOTTLING TH 1 H 108" TOTAL DEPTH 0"-8" YELLOW BROWN SANDY LOAM TOPSOIL 8"-108" YELLOW BROWN, PALE BROWN, GRAY SAND NO 'rDRO NO WATER 82" MOTTLING TH #11 112" TOTAL DEPTH 0"-3" DARK BROWN SANDY LOAM TOPSOIL 3"-18" YELLOW BROWN SAND SUBSOIL 18"-112" GRAY & LIGHT BROWN SAND NO BEDROCK 108" WATER 90" MOTTLING TH #IJ 130" TOTAL DEPTH 0"-130" GRAY, PALE BROWN, YELLOW BROWN SAND NO BEDROCK 124" WATER FILTER FABRIC 10' MAXIMUM rn COMPACTED BACKFILL AFTER PLACEMENT OF SILT FENCE SILT FENCE DETAIL NOT TO SCALE POST WIRE MESH FENCING 110 6" SOIL COVER MIN.) FINISH GRADE 1. TOPOGRAPHIC INFORMATION ON THIS PLAN PROVIDED BY CLA ENGINEERS, INC. 2. PROPOSED HOUSE AND SEPTIC SYSTEM TO BE STAKED IN THE FIELD BY A LAND SURVEYOR LICENSED IN THE STATE OF CONNECTICUT. 3. ALL WORK AND MATERIAL (SEPTIC TANK, DISTRIBUTION BOX, PIPE, SELECT FILL)) SHALL CONFORM TO THE CONNECTICUT PUBLIC HEALTH CODE REGULATIONS AND STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEM. 4. SEWER LINE FROM FOUNDATION WALL TO SEPTIC SHALL BE 4" SCHEDULE 40 PVC - ASTM D 1785 AND JOINTS PER HEALTH DEPT. CODE. 5. TRENCHES SHALL BE SET LEVEL FOR ENTIRE LENGTH AND HAVE A CENTER TO CENTER SPACING OF 9 FEET. 6. PIPE FROM SEPTIC TANK TO DISTRIBUTION LINES SHALL BE 4" SOLID PVC CONFORMING TO ASTMD-3034 AND SDR -35. 7. FOUNDATION DRAIN PIPE FROM HOUSE TO OUTLET 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. 8. THERE ARE PRESENTLY NO KNOWN WATER WELLS WITHIN 75' OF THE PROPOSED SEPTIC SYSTEM. 9. A VERTICAL BENCHMARK SHALL BE PROVIDED WITHIN 50 FEET OF THE PROPOSED HOUSE LOCATION PRIOR TO THE START OF CONSTRUCTION. 10. 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. 11. ALL FILL MATERIAL SHALL BE CLEAN EARTH FREE OF STUMPS, ORGANICS, CONSTRUCTION DEBRIS AND TOPSOIL. 12. TOPSOIL SHALL BE RE-APPLIED OVER ALL FILL AREAS AND ALL DISTURBED AREAS TO PROVIDE A MINIMUN DEPTH OF FOUR INCHES. 13. ALL EXISTING UTILITIES TO BE ACCURATELY LOCATED PRIOR TO CONSTRUCTION. 14. IF BLASTING IS REQUIRED A PRE -BLAST SURVEY WILL BE REQUIRED. CALL BEFORE YOU DIG: 1-800-922-4455. lzjo,mm' g PERC TEST #1 HOLE DEPTH 32" PRESOAK: 9:05 AM 10.02 - 17"' 10:04 - 17.5" 10:06 - 18" 10:08 - 18.5" 10:14 - 19" 10.20 - 19.25" 10:28 - 19.5" 10:32 - 19.75" 10:36 20" 10:42 - 20.25" 10:46 - 20.5" 10:48 - 20.75" 10:52 - 21 " 10:54 - 21.25" 10:56 - 21.5" 11:00 - 22" 11:02 - 22.25" 11:08 - 22.75" 11:10 - 23.25" 11:12 - 23.75" USE LAST 30 MINUTES FROM 11:12 TO 10:42 - 6.75"DROP 30MIN / 6.75" = 9 MIN/IN PERC. RATE = 1 TO 10 MIN/IN NON -WOVEN FILTER FABRIC OVER STONE 4" PVC PERFORATED PLASTIC DISTRIBUTION PIPE (ASTM D 3033) ONE INCH CLEAN BROKEN STONE OR SCREENED GRAVEL v INVERT 6" 48" WIDTH r 18" MOTTLING LINE 12" x 48" LEACHING TRENCH NOT TO SCALE 1-3/4 l i 1 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. TOCCefpTTOM 6" OF THE FABRIC IN THE TRENCH TO PREVENT UNDERMINING 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 1900 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. PERMAKIENT 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 DEBRIS, APPLY AGRICULTURAL GROUND LIMESTONE AT THE RATE OF TWO TONS PER ACRE OR 100 LBS. PER 1000 S.F. APPLY 10-10-10 FERTILIZER OR EQUIVALENT AT A RATE OF 300 LBS. PER ACRE OR 7.5 LBS. PER S.F. WORK LIMESTONE INTO THE SOIL TO A DEPTH OF 4 INCHES. INSPECT SEEDBED BEFORE SEEDING. IF TRAFFIC HAS COMPACTED THE SOIL, RETILL COMPACTED AREAS. APPLY THE FOLLOWING GRASS SEED MIX: SEED MIXTURE LBS. ACRE LBS./1 Q00 S.F. KENTUCKY BLUEGRASS 20 0.4.5 PERERN AL 'fE(%KVE 20 0.45 5 0.10 45 1.00 THE RECOMMENDED SEEDING DATES ARE: APRIL 1 - JUNE 15 AND AUGUST 1 - SEPTEMBER 15 FOLLOWING SEEDING, FIRM SEED BED WITH A ROLLER. MULCH WITH WEED FREE STRAW IMMEDIATELY FOLLOWING SEEDING. IF A PERMANENT VEGETATIVE STAND CANNOT BE ESTABLISHED 2x2 5/8 16 GA. WIRE MESH 4" PVC ELBOW 1 1-1 /4" 11 2„ STANDARD D -BOX W/ELBOW NOT TO SCALE 4" CLEAN FILL LOAM &SEED CROSS-SECTION DETAIL NOT TO SCALE 18"DIA. 4 3/4" COVER INLET ct MI OUTLET ll IN LET = 8"-18" 3 10" OUTLET FILTERBAFFLEMINNDEVICE o) (0 4'-5 3/4" LIQUID `o 4" 3„ WALLS LEVEL CROSS SECTION VIEW 1,000 GALLON SEPTIC TANK NOT TO SCALE CLA Engineers,Inc. CIVIL STRUCTURAL • SURVEYING 317 Main Street Norwich, CT 06360 N0. DATE REVISION (860) 886-1966 Fax (860) 886-9165 Project No. GAGNON- VENUTI CLA-5870 Proj. Engineer E.M.B DEERRIDGE SUBDIVISION - LOT 1 Date: MONTVILLE,CONNECTICUT MAY 2004 Sheet No. DETAILS