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HomeMy WebLinkAboutSite Plano pP 0 p ny 0 NA \ OAK 0 11 11 APPROVED BY THE TOWN OF MONTVILLE INLAND / WETLANDS COMMISSION CHAIRMAN DATE CL& 8P9 Ile7 I.P. REC. y7ANDS AS St 0WN ON PLAN WERE MARCLD IN FIELD BY MARK SULLIVAN O CERTIFIED SOIL SCIENTIST QyQ OXOBOXO. q I.P. REC. LAUREL POINT DRIVE / rV' , ' . . . LA KE / , ,p '' /' ,. g° JItAW SULLIVAN - CERTIFIED SOIL SCIENTIST DATE O I #` / i oO (1O A WF46 Ii tS' t 8.16' o N23 55 00 E O'• 1 WF45 o I.P. REC. SITE LOCATION ••.•. S -- C9 R-80 ZONE •• SNP A L I.P. REC. % WF44 ` gi. , WF43 , W Lf 't WF36 s p 1 LOCA TION MAP -O - / s`<Q0 wF42 W37 0 % o , \ SCALE 1 " _ 1000' SNET 118 / O QQ,.411111111 o 4101110 / , \ • moo- c t LEGEND / ` ! I 1 3 o 0,• T. P No.3 0 E40 490 TEST PITS , .' OJT / / wFa 38 • / m O PERC TESTS , / 41P 410' k / I.P. REG 48 soft IW39 ' ' DRILL HOLE POWER UTILITY POLES / -I / wF47 j , m VT. 0 TP No. IP No.4 ORO _ _ 7 EXISTING CONTOURS Q / . 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TO BE SET _- r--_ m -M,.._--- omm rte. _ _-_•_--_ -------_----_----___ _ ROAD OLD r . r_ _ SNET 1081 ____— __ w"o wonsons, to =a r — manCOLCHESTEROpowsmnommo ''— M, wooss"M MoOMM, nowsposomam rmum.... _ rr _ r --mom _ —own M1 sm w, mMwwMwM wo sm u M IM wwwwwomi m _ _ m m m nows MAP REFERENCE PLAN MADE FOR SARAH ELIZABETH BRONSON - OLD COLCHESTER ROAD & LAUREL POINT ROAD - MONTVILLE, CONNECTICUT - SCALE 1 " = 40'- JANUARY 1978 - BY CHANDLER, PALMER AND KING NO DECLARATION IS EXPRESSED OR IMPLIED UNLESS THIS PLAN BEARS THE IMPRESSION ( EMBOSSED) SEAL OF THE PROFESSIONAL WHERE SIGNATURE APPEARS HEREON. COPYRIGHT 2012 McMINN ASSOCIATES LAND DEVEL yPMENT CONSULTANTS, SURVEYORS,MAP MAKERS. ALL RIGHTS RESERVED. UNAUTHORIZED DUPLICATION OR MODIFICATION IS A VIOLATION OF APPLICABLE LAWS. Traverse PC TO MY KNOWLEDGE AND BELIEF, THIS MAP IS SUBSTANTIALLY CORRECTAS NOTED HEREON UL ST6WELL REGISTERED LAND SURVEYOR - LIC. No. 70216 1 MARK REYNOLDS REGISTERED PROFESSIONAL ENGINEER LIC. No. 19789 TOTAL AREA = 306,454 SQ.FT. 7. 035 ACRES IIIIIIIII IIIN McMINN ASSOCIATES LAND USE CONSULTANTS Z 0 PAUL STOWELL REG. L.S. 7-9 WILCOX ROAD -MILFORD, CT. 860) 537-0046 1 0-15-12 TOWN COMMENTS OF 9-17-12 No. DATE DESCRIPTION REFERENCE NOTE THIS SURVEY AND MAP HAVE BEEN PREPARED PURSUANT TO THE REGULATIONS OF CONNECTICUT STATE AGENCIES SECTIONS 20-30OB-1 THROUGH 20-300-B AND THE "STANDARDS FOR SURVEYS AND MAPS IN THE STATE OF CONNECTICUT"ADOPTED FOR USE BY THE CONNECTICUT ASSOCIATION OF LAND SURVEYORS, INC. ON SEPTEMBER 26, 1996. THE TYPE OF SURVEY IS A "CONVEYANCE PLAN". THE BOUNDARY DETERMINATION CATEGORY IS "DEPENDENT RESURVEY". THE HORIZONTAL ACCURACY CONFORMS TO "A-2" STANDARDS. OVERALL BOUNDARY AND WETLANDS MAP PROPERTY OF 1: m III, iijjq I ZA I'lil'%T04 LAUREL POINT DRIVE &OLD COLCHESTER ROAD MONTVILLE, CONNECTICUT PREPARED FOR JASON BRONSON LAUREL POINT DRIVE MONTVILLE, CONNECTICUT TAX MAP No. 105 -LOT No. 38 SCALE 1" = 40' - AUGUST 1, 2012 SHEET 1 OF 3 JOB No. 12- 015 Traverse PC CONSTRUCTION NOTES NO CHANGE IN PLAN LOCATION OR ELEVATION SHALL BE MADE WITHOUT NOTIFYIING THE ENGINEER AND THE PROPER TOWN AUTHORITY. THE ENGINEER SHALL BE NOTIFIED PRIOR TO CONSTRUCTION TO SET LOCATION AND GRADE STAKES FOR THE SUBSURFACE SEWAGE DISPOSAL SYSTEM TO INCLUDE: FILL MATERIAL, SEPTIC TANK, PRIMARY LEACH SYSTEM. SIMILAR STAKING REQUIRED FOR ALL CURTAIN AND FOUNDATION DRAINS AND WELL. NO SOIL STRIPPING OR EXCAVATION SHALL BEGIN WITHIN THE AREA OF THE SUB -SURFACE SEWAGE DISPOSAL SYSTEM WITHOUT A VALID CONSTRUCTION PERMIT. A LICENSED SEWAGE DISPOSAL SYSTEM INSTALLER SHALL OBTAIN A CONSTRUCTION PERMIT AND ARRANGE FOR THE SITE INSPECTION PRIOR TO CONSTRUCTION. THE SYSTEM SHALL BE INSTALLED IN ACCORDANCE WITH THIS PLAN AND ALL APPLICABLE STATE, AND LOCAL RULES, REGULATIONS AND CODES. TOPSOIL TO BE STRIPPED AND STOCKPILED PRIOR TO ANY FILLING. SCARIFY AREA BEFORE FILLING. NO VEHICLE TRAFFIC BY RUBBER TIRE VEHICLES TO MINIMIZE COMPACTION. PLACE FILL AT EDGE OF PREPARED AREA AND SPREAD WITH BULLDOZER IN 6" LIFTS AND COMPACT TO 90% MAXIMUM DENSITY. SANITARIAN TO INSPECT ANY FILL OVER 24" DEEP PRIOR TO CONSTRUCTION. TRENCH BOTTOMS SHALL BE LEVEL AND SET TO FOLLOW CONTOURS OF EXISTING GRADE. NO CONSTRUCTION BELOW ORIGINAL GRADE IN THE LEACHING SYSTEM AREA SHALL TAKE PLACE WITHIN 48 HOURS OF A RAINSTORM OR WITH STANDING PUDDLES. ALL FOOTING DRAINS, CURTAIN DRAINS AND SUBSURFACE SEWAGE DISPOSAL SYSTEM COMPONENTS SHALL BE INSPECTED BY THE TOWN AND LOCATED "AS -BUILT" BY THE ENGINEER/LAND SURVEYOR PRIOR TO COVERING. INSPECTION SHALL BE WITHIN 2 WORKING DAYS FOLLOWING TIMELY NOTIFICATION BY THE CONTRACTOR TO PROTECT OPEN WORK FROM SILTATION AND EROSION. ALL DISTURBED AREAS SHALL BE GRADED, LOAMED , AND SEEDED AS SOON AS POSSIBLE AFTER CONSTRUCTION. IF SEEDING CANNOT TAKE PLACE DURING THE GROWING SEASON, A TEMPORARY MULCH COVER SHALL BE PLACED AND MAINTAINED UNTIL PERMANENTCOVER CAN BE ESTABLISHED. A LICENSED WELL DRILLER SHALL OBTAIN A PERMIT PRIOR TO ANY DRILLING. THE WELL SHALL BE PROVIDED IN ACCORDANCE WITH THIS PLAN AND ALL APPLICABLE STATE AND LOCAL REGULATIONS AND CODES. SATISFACTORY COMPLETION OF ALL THE ABOVE REQUIREMENTS SHALL PRECEED THE FINAL INSPECTION AND APPROVAL OF THE SUBSURFACE SEWAGE DISPOSAL SYSTEM AND WELL. BASIS OFCANITARY DESIGN EROSION CONTROL NOTES GENERAL REQUIREMENTS FOR EROSION CONTROL: A SCHEDULE OF OPERATIONS TO INCLUDE STARTING AND COMPLETION DATES FOR MAJOR DEVELOPMENT PHASES, SUCH AS LAND CLEARING AND GRADING, STREET, SIDEWALK, AND STORM SEWAGE INSTALLATION, ETC. EXCAVATIONS , FILLS AND GRADING CUT AND FILL SLOPES SHALL NOT BE STEEPER THAN 3:1 UNLESS STABILIZED BY A RETAINING WALL OR CRIBBING, EXCEPT AS APPROVED BY THE COMMISSION UNDER UNDER SPECIAL CONDITIONS. ADEQUATE PROVISIONS SHALL BE MADE TO PREVENT SURFACE WATER FROM DAMAGING THE CUT FACE OF EXCAVATION OR THE SLOPING SURFACES OF FILLS. CUT AND FILLS SHALL NOT ENDANGER ADJOINING PROPERTY. FILL SHALL BE PLACED AND COMPACTED SO AS TO MINIMIZE SLIDING OR EROSION OF THE SOIL. GRADING SHALL NOT BE DONE IN SUCH A WAY SO AS TO DIVERT WATER ONTO THE PROPERTY OF ANOTHER LANDOWNER WITHOUT THE EXPRESSED CONSENT OF THAT LANDOWNER AND THE COMMISSION. FILLS SHALL NOT ENCROACH ON THE NATURAL WATERCOURSES OR CONSTRUCTED CHANNELS. DURING GRADING OPERATIONS, NECESSARY MEASURES FOR DUST CONTROL SHALL BE EXERCIZED. GRADING EQUIPMENT WILL NOT BE ALLOWED TO CROSS LIVE STREAMS EXCEPT BY MEANS OF BRIDGES AND CULVERTS OR OTHER METHODS AS APPROVED BY THE COMMISSION. IMPLEMENTATION PROCEDURES: WHEREVER FEASIBLE, NATURAL VEGETATION SHOULD BE RETAINED AND PROTECTED. ONLY THE SMALLEST PRACTICAL AREA OF LAND SHOULD BE EXPOSED AT ANY ONE TIME DURING DEVELOPMENT. WHEN LAND IS EXPOSED DURING DEVELOPMENT, THE EXPOSURE SHOULD BE KEPT TO THE SHORTEST PRACTICAL PERIOD OF TIME. WHERE NECESSARY, TEMPORARY VEGETATION AND/OR MULCHING SHOULD BE USED TO PROTECT AREAS EXPOSED DURING DEVELOPMENT. THE PERMANENT FINAL VEGETATION AND STRUCTURES SHOULD BE INSTALLED AS SOON AS PRACTICAL IN THE DEVELOPMENT. BEDROOM HOUSE - 5.1-1( Min/In PERC RATE 495 SQ. FT. OF LEACHING AREA REQUIRED USE ROW OF DBL 12" INFILTRATORS WIDE @ LENGTHS SHOWN 495.6 SQ. FT. OF LEACHING AREA PROVIDED USE MINIMUM 1000 GALLON SEPTIC TANK HF 30 x FF 1.5 x PF 1.2 = MLSS 54 USE 1 ROW OF DBL 12" INFILTRATORS 84' LONG @ 5.9 SQ. FT. OF LEACHING PER LINEAL FT= 495.6 SQ. FT. OF LEACHING 4 R E S D T ER p TT H E L A Y E R HYDRAULIC FACTOR (HFA 1 - CANNOT BE APPROVED UNLESS HYDRAULIC ANALYSIS DEMONSTRATES SUITABILITY OP - Q - do oqo AS REQUIRED 4" MINIMUM •: ;• CONN. DOT 2" FILTER FABRIC CONSTRUCTION ENTRANCE PA NO DECLARATION IS EXPRESSED OR IMPLIED UNLESS THIS PLAN BEARS THE IMPRESSION ( EMBOSSED) SEAL OF THE PROFESSIONAL WHERE SIGNATURE APPEARS HEREON. COPYRIGHT 2012 McMINN ASSOCIATES LAND DEVELOPMENT CONSULTANTS, SURVEYORS,MAP MAILERS. ALL RIGHTS RESERVED. UNAUTHORIZE. DUPLICATION OR MODIFICATION IS A VIOLATION OF APPLICABLE LAWS. traverse PC 1. SET POSTS & EXCAVATE A 6'X6' TRENCH, SET POST DOWNSLOPE ANGLE 10° UPSLOPE FOR STABILITY POSTS 12' MIN DEPTH 2. STAPLE THE WIRE MESH FENCING TO END POST. WIRE I I FENCING -- i I 1 i IL i 3. ATTACH FILTER FABRIC TO THE WIRE 4. BACKFILL THE TRENCH & COMPACT FENCING & EXTEND TO THE TRENCH. THE EXCAVATED SOIL. FILTER FABRIC COMPACTED BACKFILL ` I I i%i =iu=lig ! iti iit= i11 =iii=N,,tii =iit= IL i =1i TYPICAL INSTALLATION SYNTHETIC FILTER FABRIC DOUBLE INFILTRATOR LEACHING CHAMBER DETAIL QUICK4 STANDARD CHAMBER 12" GALLERY DESIGN NOT TO SCALE ) MOUND FOR DRAINAGE FILTER FA AP AG NOTES: EFFECTIVE LEACHING AREA= 5.9 SQ FT. PER LF (12.OF STONE) OR 6.2 SQ. FT PER LF (18.OF STONE ) CENTER TO CENTER TRENCH SPACING = 12 FEET INSTALL MILTRATORS ACCORDING TO MANUFACTURERS CURRENT INSTALLATION INSTRUCTIONS SEPTIC NOTE APPRDVED STONE ACiGREGATEFOR LEACHING GALLERIES SHALL BE BROKEN STONE, CRUSHED STONE OR SCREENED GRAVEL MEETING CT. DST FROM 814A SPECIFICATION FOR M.01.01 FOR No. 4 STONE SIEVE SIZE PERCENT PASSING BY WEIGHT ) GENERAL NOTES PRIMARY AND RESERVE AREAS ARE TO BE PROTECTED FROM COMPACTION AND DAMAGE BY MACHINERY AND EQUIPMENT DURING CONSTRUCTION. ADDITIONAL TEST PITS MAY BE REQUIRED TO CONFIRM SOIL CONDITIONS IN THE AREA OF THE PRIMARY AND RESERVE LEACHINF FIELDS. PITS ARE TO BE DUG PRIOR TO THE START OF CONSTRUCTION OF THESEPTIC SYSTEM AND ARE TO BE STAKED IN THE FIELD BY ENGINEER TO ENSURE PROPER LOCATIO. DISTRIBUTION BOXES TO BE INSTALLED TO CREATE A HIGH LEVEL OVERFLOW (4" MIN) SEPTIC SYSTEM SHALL CONFORM TO THE CURRENT STATE OF CONNECTICUT PUBLIC HEALTH CODE. IF FIELD CONDITIONS ( MOTTLING, LEDGE OR GROUNDWATER) ARE ENCOUNTERED AT SHALLOWER DEPTH THAN THOSE SHOWN IN THE DEEP TEST HOLE RESULTS, THE ENGINEER SHALL BE CONTACTEDIMMEDIATELY AND CONSTRUCTION HALTED UNTIL FURTHER DIRECTED. SDR 35 TIGHT PIPE FROM TANK TO D. BOX AND BETWEEN D. BOXES. CONTOURS TAKEN FROM ON SITE FIELD TOPOGRAPHY AND ARE TO T-2 STANDARDS. REQUIRED FILL SPECIFICATIONS ALL LEACHING PRODUCTS WITH EFFECTIVE LEACHING CREDITS OF 7.4 SF/LF AND HIGHER SHALL NOT BE UTILIZED WHERE THE UNDERLYING NATURALLY OCURRING SOILS HAVE A MINIMUM PERCOLATION RATE SLOWER THAN THIRTY (30) MINUTES PERC RATE. SELECT FILL MATERIAL AND SELECT BACKFILL MATERIAL, PLACED WITHIN AND ADJACENT TO PROPOSED LEACHING AREAS SHALL BE COMPOSED OF CLEAN SAND AND GRAVEL, FREE FROM ORGANIC MATTER AND FOREIGN SUBSTANCES. THE FILL AND MATERIAL SHALL MEET THE FOLLOWING REQUIREMENTS UNLESS OTHERWISE APPROVED BY A PROFESSIONAL ENGINEER FOR USE WITHIN THE LEACHING AREA. 1. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN THREE ) 3) INCHES. 2. UP TO 45% OF THE DRY WEIGHT OF THE REPRESENTATIVE SAMPLE MAYBE RETAINED ON THE #4 SIEVE ( THIS IS THE GRAVEL PORTION OF THE SAMPLE). 3. THE MATERIAL THAT PASSES THE #4 SIEEVE IS THEN REWEIGHED AN THE SIEVE ANALYSIS STARTED. THE REMAINING SAMPLE SHALL MEET THE FOLLOWING GRADATION CRITERIA: SIEVE SIZE PERCENT PASSING PERCENT PASSING 4 1000/0 100% 10 70%-100% 70%-100% 40 10%-50% 10%-75% 100 0•lo-20% 0%-5% 200 0%-5% 0%-2.5% WET SIEVE TEST I DRY SIEVE TEST THE RESPONSIBILITY FOR THE PREPARATION OF A LEACHING AREA UTILIZING SELECT MATERIAL IS THAT OF THE LICENSED INSTALLER. THE INSTALLER SHALL TAKE THE NECESSARY STEPS TO PROTECT THE UNDERLYING NATURALLY OCURRING SOILS FROM OVERCOMPACTION AND SILTATION ONCE EXPOSED. NOTE: WATER TREATMENT DEVICES NOT TO DISCHARGE INTO SEPTIC SYSTEM.11 DEEP TEST PIT DATA TEST PIT 1 0-6" TOPSOIL 6-20" BROWN SUBSOIL 20-60" DARK GREY COARSE SAND WITH DECOMPOSED ROCK NO MOTTLING - GROUNDWATER @ 60" - NO LEDGE TEST PIT 2 0-8" TOPSOIL 8-22"' BROWN SUBSOIL 22-30" LIGHT GREY SAND WITH SILT 30-74" DARK GREY COARSE SAND WITH DECOMPOSED ROCK MOTTLING @ 37" - GROUNDWATER d) 74" SEEPING @ 64")- NO LEDGE TEST PIT 3 0-12" TOPSOIL 12-22" BROWN SUBSOIL VEGETATIVE COVER 22-80" DARK GREY COARSE SAND WITH DECOMPOSED ROCK AREAS NO MOTTLING - GROUNDWATER @ 77" - NO LEDGE TEST PIT 4 0-11" TOPSOIL 11-31" COMPACT SUBSOIL 31-34" DARK GREY COARSE SAND WITH DECOMPOSED ROCKS 34-68" COARSE SAND AND GRAVEL MOTTLING @ 34"- GROUNDWATER ,a) 68" SEEPING @ 58")- NO LEDGE TEST PIT 5 0-13" TOPSOIL 13-20" BROWN SUBSOIL 20-46" RED / ORANGE COARSE SAND AND GRAVEL 51 " LIGHT GREY SAND WITH SILT46 51-80" LIGHT ORANGE SAND AND GRAVEL MOTTLING @ 32"- GROUNDWATER i! SEEPING @ 72")- NO LEDGE 2 INCH HYDRAULIC GRADIENT (% OF SLOPE) 1/2 INCH 90-100 SOILS TESTING TAKEN ON 5-30-12 AND WITNESSED BU AIMEE EBERLY INCH t 2 1 3 4 6 8 10 115 15 17.9 EMPTY @ 11:42 -REFILLED SEE OTE 1 NAIL DOWN 2" NAIL DOWN 2" 12:31 REFILLED TO NAIL 12:43 REFILLED TO NAIL 1:31 REFILLED TO NAIL 12:36 - 4" 18-22 1:36 - 61/8" 72 62 54 48 42 34 30 28 26 22-1- 1:08 - 141/8 s6 56 4s 42 34 30 28 26 24 zs 1:16 - 18 1/8" 1:28 - 20518 2:16 - 19318 1:21 - 19 1/8" 1:33 - 213140 2:21 - 20118 1:26 - 20" 1:38 - DRY 2:26 - 21" 1:31 - 20 3/4" 26.1- 49 42 34 30 28 26 24 20 30 30.1- 48 42 34 30 28 26 24 120 18 36 36.1 42 - 42 36 30 28 26 24 20 18 16 42.1- 36 32 28 26 24 20 18 16 14 48 48.1- 30 28 24 22 20 18 16 14 10 60 60 MLSS NEED NOTBE CONSIDERED 1 - CANNOT BE APPROVED UNLESS HYDRAULIC ANALYSIS DEMONSTRATES SUITABILITY OP - Q - do oqo AS REQUIRED 4" MINIMUM •: ;• CONN. DOT 2" FILTER FABRIC CONSTRUCTION ENTRANCE PA NO DECLARATION IS EXPRESSED OR IMPLIED UNLESS THIS PLAN BEARS THE IMPRESSION ( EMBOSSED) SEAL OF THE PROFESSIONAL WHERE SIGNATURE APPEARS HEREON. COPYRIGHT 2012 McMINN ASSOCIATES LAND DEVELOPMENT CONSULTANTS, SURVEYORS,MAP MAILERS. ALL RIGHTS RESERVED. UNAUTHORIZE. DUPLICATION OR MODIFICATION IS A VIOLATION OF APPLICABLE LAWS. traverse PC 1. SET POSTS & EXCAVATE A 6'X6' TRENCH, SET POST DOWNSLOPE ANGLE 10° UPSLOPE FOR STABILITY POSTS 12' MIN DEPTH 2. STAPLE THE WIRE MESH FENCING TO END POST. WIRE I I FENCING -- i I 1 i IL i 3. ATTACH FILTER FABRIC TO THE WIRE 4. BACKFILL THE TRENCH & COMPACT FENCING & EXTEND TO THE TRENCH. THE EXCAVATED SOIL. FILTER FABRIC COMPACTED BACKFILL ` I I i%i =iu=lig ! iti iit= i11 =iii=N,,tii =iit= IL i =1i TYPICAL INSTALLATION SYNTHETIC FILTER FABRIC DOUBLE INFILTRATOR LEACHING CHAMBER DETAIL QUICK4 STANDARD CHAMBER 12" GALLERY DESIGN NOT TO SCALE ) MOUND FOR DRAINAGE FILTER FA AP AG NOTES: EFFECTIVE LEACHING AREA= 5.9 SQ FT. PER LF (12.OF STONE) OR 6.2 SQ. FT PER LF (18.OF STONE ) CENTER TO CENTER TRENCH SPACING = 12 FEET INSTALL MILTRATORS ACCORDING TO MANUFACTURERS CURRENT INSTALLATION INSTRUCTIONS SEPTIC NOTE APPRDVED STONE ACiGREGATEFOR LEACHING GALLERIES SHALL BE BROKEN STONE, CRUSHED STONE OR SCREENED GRAVEL MEETING CT. DST FROM 814A SPECIFICATION FOR M.01.01 FOR No. 4 STONE SIEVE SIZE PERCENT PASSING BY WEIGHT ) GENERAL NOTES PRIMARY AND RESERVE AREAS ARE TO BE PROTECTED FROM COMPACTION AND DAMAGE BY MACHINERY AND EQUIPMENT DURING CONSTRUCTION. ADDITIONAL TEST PITS MAY BE REQUIRED TO CONFIRM SOIL CONDITIONS IN THE AREA OF THE PRIMARY AND RESERVE LEACHINF FIELDS. PITS ARE TO BE DUG PRIOR TO THE START OF CONSTRUCTION OF THESEPTIC SYSTEM AND ARE TO BE STAKED IN THE FIELD BY ENGINEER TO ENSURE PROPER LOCATIO. DISTRIBUTION BOXES TO BE INSTALLED TO CREATE A HIGH LEVEL OVERFLOW (4" MIN) SEPTIC SYSTEM SHALL CONFORM TO THE CURRENT STATE OF CONNECTICUT PUBLIC HEALTH CODE. IF FIELD CONDITIONS ( MOTTLING, LEDGE OR GROUNDWATER) ARE ENCOUNTERED AT SHALLOWER DEPTH THAN THOSE SHOWN IN THE DEEP TEST HOLE RESULTS, THE ENGINEER SHALL BE CONTACTEDIMMEDIATELY AND CONSTRUCTION HALTED UNTIL FURTHER DIRECTED. SDR 35 TIGHT PIPE FROM TANK TO D. BOX AND BETWEEN D. BOXES. CONTOURS TAKEN FROM ON SITE FIELD TOPOGRAPHY AND ARE TO T-2 STANDARDS. REQUIRED FILL SPECIFICATIONS ALL LEACHING PRODUCTS WITH EFFECTIVE LEACHING CREDITS OF 7.4 SF/LF AND HIGHER SHALL NOT BE UTILIZED WHERE THE UNDERLYING NATURALLY OCURRING SOILS HAVE A MINIMUM PERCOLATION RATE SLOWER THAN THIRTY (30) MINUTES PERC RATE. SELECT FILL MATERIAL AND SELECT BACKFILL MATERIAL, PLACED WITHIN AND ADJACENT TO PROPOSED LEACHING AREAS SHALL BE COMPOSED OF CLEAN SAND AND GRAVEL, FREE FROM ORGANIC MATTER AND FOREIGN SUBSTANCES. THE FILL AND MATERIAL SHALL MEET THE FOLLOWING REQUIREMENTS UNLESS OTHERWISE APPROVED BY A PROFESSIONAL ENGINEER FOR USE WITHIN THE LEACHING AREA. 1. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN THREE ) 3) INCHES. 2. UP TO 45% OF THE DRY WEIGHT OF THE REPRESENTATIVE SAMPLE MAYBE RETAINED ON THE #4 SIEVE ( THIS IS THE GRAVEL PORTION OF THE SAMPLE). 3. THE MATERIAL THAT PASSES THE #4 SIEEVE IS THEN REWEIGHED AN THE SIEVE ANALYSIS STARTED. THE REMAINING SAMPLE SHALL MEET THE FOLLOWING GRADATION CRITERIA: SIEVE SIZE PERCENT PASSING PERCENT PASSING 4 1000/0 100% 10 70%-100% 70%-100% 40 10%-50% 10%-75% 100 0•lo-20% 0%-5% 200 0%-5% 0%-2.5% WET SIEVE TEST I DRY SIEVE TEST THE RESPONSIBILITY FOR THE PREPARATION OF A LEACHING AREA UTILIZING SELECT MATERIAL IS THAT OF THE LICENSED INSTALLER. THE INSTALLER SHALL TAKE THE NECESSARY STEPS TO PROTECT THE UNDERLYING NATURALLY OCURRING SOILS FROM OVERCOMPACTION AND SILTATION ONCE EXPOSED. NOTE: WATER TREATMENT DEVICES NOT TO DISCHARGE INTO SEPTIC SYSTEM.11 DEEP TEST PIT DATA TEST PIT 1 0-6" TOPSOIL 6-20" BROWN SUBSOIL 20-60" DARK GREY COARSE SAND WITH DECOMPOSED ROCK NO MOTTLING - GROUNDWATER @ 60" - NO LEDGE TEST PIT 2 0-8" TOPSOIL 8-22"' BROWN SUBSOIL 22-30" LIGHT GREY SAND WITH SILT 30-74" DARK GREY COARSE SAND WITH DECOMPOSED ROCK MOTTLING @ 37" - GROUNDWATER d) 74" SEEPING @ 64")- NO LEDGE TEST PIT 3 0-12" TOPSOIL 12-22" BROWN SUBSOIL VEGETATIVE COVER 22-80" DARK GREY COARSE SAND WITH DECOMPOSED ROCK AREAS NO MOTTLING - GROUNDWATER @ 77" - NO LEDGE TEST PIT 4 0-11" TOPSOIL 11-31" COMPACT SUBSOIL 31-34" DARK GREY COARSE SAND WITH DECOMPOSED ROCKS 34-68" COARSE SAND AND GRAVEL MOTTLING @ 34"- GROUNDWATER ,a) 68" SEEPING @ 58")- NO LEDGE TEST PIT 5 0-13" TOPSOIL 13-20" BROWN SUBSOIL 20-46" RED / ORANGE COARSE SAND AND GRAVEL 51 " LIGHT GREY SAND WITH SILT46 51-80" LIGHT ORANGE SAND AND GRAVEL MOTTLING @ 32"- GROUNDWATER i! SEEPING @ 72")- NO LEDGE 2 INCH 100 1/2 INCH 90-100 SOILS TESTING TAKEN ON 5-30-12 AND WITNESSED BU AIMEE EBERLY INCH 2O-55 OF THE UNCAS HEALTH DEPARTMENT AND BY MCMINN ASSOCIATES 3/4 INCH 0-10 3/8 INCH 0-5 40 0-3 200 0-1.5 McMINN ASSOCIATES LAND USE CONSULTANTS010 z 0 PAUL STOWELL REG. L.S. 171 WILCOX ROAD cc MILFORD, CONNECTICUT 06460 860) 537-0046 1 10-15-121 TOWN COMMENTS OF 10-15-12 No. DATE DESCRIPTION STRIP TOPSOIL LAYER PROPOSED GRADE 41$.0 5' SELECT FILL MIN. 5' SELECT FILL MIN. 418 17.6 ORIGINAL GRADE 417x0 h 416x4 TO OI LAY R 41fi t= REMOVE TOPSOIL LAYER AND REPLACE WITH SELECT FILL 18" MIN, BOTTOM EL. = 415.7 414 MOTTLING LINE / RESTRICTIVE LAYER - TRENCHES TO BE INSTALLED NO DEEPER THAN 16" INTO ORIGINAL GRADE SEPTIC SYSTEM DETAIL AmwA SCANOLE MIN. 2' SHOULDER STABILIZE SIDESLOPES TYP. 12' DRIVEWAY WIDTH 26' TOTAL PIPE LENGTH 8" MIN PROCESSED GRAVEL 10" MIN BANK RUN GRAVEL N. 2' SHOULDER 412 411 18" MIN. 410 409 r. • '•;. • -.• ,`. • •.. , •• . i •, .-i •, ,,, 408 I 407 EXISTING GRADE EXISTING 12' HDPE PIPE EXTEND PIPE EXISTING GhADE PIPE DETAIL BmB NO SCALE PERC TEST DATA EXCAVATE 18" ORGANIC MATERIAL 8 BACKFILL WITH BANK RUN GRAVEL PERC TESTS BY McMINN ASSOCIATES PERC TEST - A PERC TEST - B PERC TEST - B JUNE 2, 2012 JUNE 2, 2012 OCT. 15, 2012 DEPTH 26" DEPTH 25" DEPTH 25" PRESOAK @ 10:13 PRESOAK @ 10:19 PRESOAK @ 9:22 EMPTY @ 11:42 -REFILLED EMPTY @ 11:06 -REFILLED EMPTY @ 12:12 -REFILLED NAIL DOWN 2" NAIL DOWN 2" NAIL DOWN 2" 12:31 REFILLED TO NAIL 12:43 REFILLED TO NAIL 1:31 REFILLED TO NAIL 12:36 - 4" 12:48 - 51/4" 1:36 - 61/8" 12:41 - 7" 12:53 - 8" 1:41 - 8 3/4" 12:46 - 9 1/4" 12:58 - 10 1/2" 1:46 - 10 3/4" 12:51 - 11 1/4. 1:03 - 12 1/4, 1:51 - 12318 12:56 - 131/8 1:08 - 141/8 1:56 - 14 1:01 - 14 3/8" 1:13 - 16" 2:01 - 15 5/8" 1:06 - 15 3/4" 1:18 - 17 3/4" 2:06 - 17" 1:11 - 17" 1:23 - 191/4" 2:11 - 181/4" 1:16 - 18 1/8" 1:28 - 20518 2:16 - 19318 1:21 - 19 1/8" 1:33 - 213140 2:21 - 20118 1:26 - 20" 1:38 - DRY 2:26 - 21" 1:31 - 20 3/4" PERC RATE = 4.44 MIN / IN PERC RATE = 5.71 MIN/ IN PERC RATE = 6.66 MIN/ IN PROPERTY OF SARAH BRONSON LAUREL POINT DRIVE & OLD COLCHESTER ROAD COLCHESTER, CONNECTICUT TAX MAP No. 105 - LOT No. 38 CONSTRUCT/ON SEQUENCE 1. CLEARING LIMITS TO BE STAKED IN FIELD. 2. INSTALL ALL EROSION &SEDIMENT CONTROL MEASURES AND CONSTRUCTION ENTRANCE PAD PRIOR TO THE START OF CONSTRUCTION. 3. EXTEND PIPE 6' TO THE EAST AS SHOWN. 4. ROUGH GRADE DRIVEWAY -STOCKPILE TOPSOIL AND SUBSOIL WITHIN THE AREA OF DISTURBANCE, INSTALL SILTFENCE DOWN GRADIENT OF ALL STOCKPILES. 5. PLACE AND COMPACT DRIVEWAY GRAVEL SUBBASE. 6. LOAM, SEED AND MULCH ALL DISTURBED AREAS. NOTE: 48 HOURS PRIOR TO THE START OF CONSTRUCTION THE WETLANDS OFFICER AND /ZONING OFFICER WILL BE CONTACTED FOR AN INSPECTION OF ALL EROSION AND CONTROL MEASURES. DETAIL SHEET PREPARED FOR JASON BRONSON LAUREL POINT DRIVE COLCHESTER, CONNECTICUT SHEET 3 OF 3 JOB No. 11- 001