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Home My WebLink AboutPlot Plan SepticNOTES: 1. TOPOGRAPHIC INFORMATION ON THIS PLAN COMPLIES WITH T-2 MAPPING STANDARDS. 2. PROPOSED HOUSE AND SEPTIC SYSTEM TO BE STAKED IN THE FIELD BY A LAND SURVEYOR LICENSED IN THE STATE OF CONNECTICUT. 3. BASE FOR LEVELS: ASSUMED DATUM. 4. THE PROPERTY IS SHOWN ON ASSESSORS MAP 37 - LOT 27. 5. THE PROPERTY IS LOCATED IN ZONING DISTRICT R-120. 6. THERE ARE NO WELLS LOCATED WITHIN 75' OF THE PROPOSED SEPTIC SYSTEM LOCATED ON ABUTTING PROPERTIES. 7. TOTAL AREA OF PROPERTY - 219,274 S.F.f - (5.03 ACRES). 8. LIMITS OF INLAND WETLANDS WERE DELINEATED BY MICHAEL G. SCHAFFER C.S.S. REFERENCE MAP: PROPERTY SURVEY PREPARED FOR WILLIAM PIENIADZ, FELLOWS ROAD, MONTVILLE, CONNECTICUT, DATE: 12/06/04, SCALE:1 "=30', PREPARED BY ADVANCED SURVEYS, LLC, LEGEND: F.F. FIRST FLOOR EL. ELEVATION S.F. SQUARE FEET TYP. TYPICAL IPIN IRON PIN MON MONUMENT DH DRILL HOLE x106.5 EXISTING SPOT ELEVATION x107.2 PROPOSED SPOT ELEVATION - 100 - - EXISTING CONTOURS 100 PROPOSED PROPOSED CONTOURS BUILDING SETBACK LINE TEST HOLE o WL#5 INLAND WETLANDS FLAG OLD ME I S OF x 104.5 :, ®'H#2INLAND SHED E N/F 3 WILLIAM LARKIN & JANET LARKIN �a VOL. 379 PG. 487 0� (MAP 37 - LOT 35) P 04.3 o 04.4 z ELEV. 105.00 IPIN SET CL&P o3755 CL&P 3754 IPIN CL&P FELLOWS Ham' SET 3755s • ROAD WL#30 WLa31 N 55 043'03 E - e 315.02, WL#28 HW _ --99_ 2 \`I WL425 60' WL#21 / p i _x.#23 j o M WETLANDS � f 1 M z WL#2?,`` W p � O W' 0 " 4 � N/F INSTALL1 MAINTAIN A CONTINUOUS 1 JAMES A. BAILLARGEON LINE OF''j'ILT FENCE (SEE DETAIL) q VOL. 264 PG. 852 r,} (MAP 37 - LOT 28) 25' WL#21 � ' O SIN PROPOSED 655th S.F. AREA--\ WL#20 OF REGULATED INLAND 17'4011 162.04' 1A WETLANDS TO BE FILLED 1 REC. 17' j x99.3 ! DH � x99.5 / ri REC. N 51029'04" W -- #g _ - WI,#9 22.45' _---- WL#4A wI#3A 102= 4 ---- DH wL#5A PROPOSED WL#t0 S= 0.023± �o SET \ h CLEARING wL#7 wL#113 CL&P 3753 O GG CUP �F 37535 31 UNGC46PO4NP (41orY savice CONNEOr`/0" LIMITS - _ INV. 101.0± - Wb#11 100% RESERVE` V;IJ 12 # WITH PERFORATED ,- "� 1,250 GALLON 102 ,W,#5 wL#6 AREA ;r D -BOX END CAP WL#6A SEPTIC TANK ~- - - / -_INV. 102.87IN r / INV .--102.710VT INV. 103.85 IN INV. 103.60 OUi' - �• a 15 + L J03 WL#.I , �. 28'-4'7VC SCHED. 40 \ 7 \ _ / ? . N/F NiFmob. WL#7A S= 1/4",/FT.- #3 __ HENRY W. MALINOWSKY & MAGNUS A. WADE & LIMITS OF 50' EVELYN MALINOWSKI DOROTHY WADE 104. WL#3 REGULATED AREA /� �'` �.� VOL. 159 PG. 290 VOL. 259 PG. 852 �s6` 1®3 W (MAP 37 - LOT 26) (MAP 37 - LOT 29) _DHO'd IP REC. CHING GALLERIES 2B ELEV. 102.10 WL#13A WL#1B x103.4 -- - - WL# 12A WL#10A� N #t4A WL#11A /,--/"A ----_N 8025'42" W _ 34.93' o� e. c` 1� WL#SB WL#6B WETLANDS 60' LIMITS OF INLAND WETLANDS AS FLAGGED BY MICHAEL G. SCHAFFER, C.S.S. SIGNATURE DATE S 49035'46" W 518.11' N/F HENRY W. MALINOWSKY & EVELYN MALINOWSKI VOL. 159 PG. 290 (MAP 37 - LOT 26) To ,:lu n , led -h nc b&ief, this map is substantially correct as noted hereon. 4, Robert <t f.E. Certlficati6i, :s --,;t valid without live signature and embossed (impression) type seal. PROPOSED WELL I 6 FILTER FABRIC ' ANGLE 100 UP SLOPE POST FOR STABILITY AND }moo SELF CLEANING COMPACTED BACKFILL NOT TO SCALE 2X2 5/8 16 GA, WIRE MESH M _ g M _ O ' 2„ STANDARD D-DOX W/ELBOW NOT TO SCALE ME I S OF x 104.5 :, ®'H#2INLAND E WETLANDS `` 1W. 104.44 i o WL#sA WL#2 x! ,� '' \ x104.8° ` 0.4x BENCHMARK DRILL HOLE ^h p 04.3 o 04.4 fs ELEV. 105.00 170'-4"PVC ASTM D 3034 SDR35 (TIGHT PIPE) FOOTING DRAIN LIMITS OF INLAND WETLANDS'l�q� WL#1 ✓` FF �c -- x193.7., '`= .-. OUTLET PIPE - 5.01± \. WL#9ax1:3.6 00 dFck " % 103.2x 144 BOTTOM OF ALL 4'x8'x12" HIGH 25' CONCRETE LEA CHING GALLERIES 2B ELEV. 102.10 WL#13A WL#1B x103.4 -- - - WL# 12A WL#10A� N #t4A WL#11A /,--/"A ----_N 8025'42" W _ 34.93' o� e. c` 1� WL#SB WL#6B WETLANDS 60' LIMITS OF INLAND WETLANDS AS FLAGGED BY MICHAEL G. SCHAFFER, C.S.S. SIGNATURE DATE S 49035'46" W 518.11' N/F HENRY W. MALINOWSKY & EVELYN MALINOWSKI VOL. 159 PG. 290 (MAP 37 - LOT 26) To ,:lu n , led -h nc b&ief, this map is substantially correct as noted hereon. 4, Robert <t f.E. Certlficati6i, :s --,;t valid without live signature and embossed (impression) type seal. PROPOSED WELL I 6 FILTER FABRIC ' ANGLE 100 UP SLOPE POST FOR STABILITY AND }moo SELF CLEANING COMPACTED BACKFILL NOT TO SCALE 2X2 5/8 16 GA, WIRE MESH M _ g M _ O ' 2„ STANDARD D-DOX W/ELBOW NOT TO SCALE CAST CONCRETE COVERS - PLAN CAPACITIES A B C 1250 GAL 61" 1 51" 148- 1500 GAL 69" 59" , 56- 4 x 4 12.6/12.6 GA. WLRE MESH 17 1/2" 6 x 6 6/6 GA. WIRE 'MESH i.. 4 I CONTINUOUS HOT f�' oc I ASPHALT SEAL �J " SCHED. #40 T &A PIPI IP CROSS SECTION 1250/1500 GALLON 2 COMPARTMENT SEPTIC TANK NOT TO SCALE NOTES: 1. THIS SEPTIC SYSTEM INSTALLATION INCLUDING ALL MATERIALS (PIPING, SEPTIC TANK, STONE, FILL, ETC.) USED FOR THIS SEPTIC SYSTEM SHALL CONFORM TO THE CURRENT EDITION/REVISION OF THE "TECHNICAL STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS" REVISED JANUARY 1, 2004 OF THE CONNECTICUT PUBLIC HEALTH CODE BY THE STATE OF CONNECTICUT DEPARTMENT OF PUBLIC HEALTH. 2. THE PROPOSED HOUSE SEWER FROM THE BUILDING TO THE SEPTIC TANK SHALL BE SCHEDULE 40 PVC ASTM D 1785/ASTM D 2665 OR APPROVED EQUAL AND INDICATED IN TABLE NO. 2 OF "TECHNICAL STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS". ALL OTHER SEWER PIPE FOR THIS SEPTIC SYSTEM SHALL BE 4" PVC ASTM D3034, SDR 35 WITH RUBBER COMPRESSION GASKET OR BELL AND SPIGOT OR APPROVED EQUAL. 3. THERE ARE NO WELLS (POTABLE, GEOTHERMAL, OR IRRIGATION) WITHIN 75' OF THE PROPOSED SEPTIC SYSTEM. 4. THERE SHALL BE NO STUMPS OR BOULDERS BURIED WITHIN 50' DOWN GRADIENT OF THE SEPTIC SYSTEM. SHOULD ANY SIGNIFICANT VARIATIONS FROM THE 'FEST HOLE DATA BE ENCOUNTERED DURING EXCAVATIONS (LEDGE, GROUNDWATER, MOTTLING, SOIL TYPE, ETC.), THE DESIGN ENGINEER SHALL BE NOTIFIED PRIOR TO INSTALLATION OF THE SEPTIC SYSTEM. 5. ALL EXISTING UTILITIES ARE APPROXIMATE ONLY. THE CONTRACTOR SHALL VERIFY ALL UTILITY LOCATIONS AND ELEVATIONS PRIOR TO ANY CONSTRUCTION. CONTRACTOR SHALL CONTACT "CALL -BEFORE -YOU -DIG" AT 1-800-922-4455 AT LEAST 48 HOURS PRIOR TO ANY EXCAVATION. 6. THE PROPOSED FILL FOR THIS SEPTIC SYSTEM SHALL MEET THE FOLLOWING SPECIFICATIONS: A. 100% OF FILL SHALL PASS THROUGH A 3" SIEVE. B. MAXIMUM % OF GRAVEL (BETWEEN #4 & 3" SIEVE) = 45 %. C. GRADATION OF FILL WITHOUT THE GRAVEL SHALL MEET THE FOLLOWING CRITERIA: SIEVE SIZE % PASSING (WET) % PASSING (DRY) #4 100% 100% #10 70-100% 70-100% #40 10-50% 10-75% #100 0-20% 0-5% #200 0-5% 0-2.5% D. * PERCENT PASSING THE #40 WET SIEVE CAN BE INCREASED TO NO GREATER THAN 75% IF THE PERCENT PASSING THE #100 SIEVE DOES NOT EXCEED 10% AND THE #200 SIEVE DOES NOT EXCEED 5 afro. E. PERCOLATION RATE AFTER PLACEMENT AND COMPACTION SHALL BE FASTER THAN OR EQUAL TO 20.0 MINUTES/INCH. A WET OR DRY SIEVE ANALYSIS MAY BE REQUIRED PRIOR TO FILL PLACEMENT TO VERIFY THAT IT MEETS THESE SPECIFICATIONS. THE FILL SHALL BE APPROVED BY THE UNCAS HEALTH DISTRICT OR DESIGN ENGINEER PRIOR TO ITS PLACEMENT ON SITE. 7. APPROVED AGGREGATE SHALL BE STONE AGGREGATE OR OTHER PRODUCTS APPROVED BY THE COMMISSIONER OF PUBLIC HEALTH. STONE AGGREGATE SHALL BE BROKEN STONE, CRUSHED STONE, OR SCREENED GRAVEL MEETING THE CONNECTICUT DEPARTMENT OF TRANSPORTATION FORM 814A (OR LATEST REVISION THERETO) SPECIFICATION M.01.01 FOR NO.4 STONE, FREE OF SILT, DIRT, OR DEBRIS, SHALL SHOW A LOSS OF ABRASION OF NOT MORE THAN 50% USING AASHTO METHOD T-96 AND CONFORM TO THE FOLLOWING: SIEVE SIZE % PASSING 2 INCH 100% 1.5 INCH 90-100% 1 INCH 20-55% 3/4 INCH 0-10% 3/8 INCH 0-5% 8. NO DEVIATION FROM THE APPROVED DESIGN PLAN SHALL BE ALLOWED WITHOUT PRIOR APPROVAL FROM THE UNCAS HEALTH DISTRICT AND THE DESIGN ENGINEER. 9. THE SEPTIC TANK SHALL BE PRECAST CONCRETE UNLESS OTHERWISE AUTHORIZED BY THE DESIGN ENGINEER AND SHALL BE TESTED FOR WATER TIGHTNESS AFTER INSTALLATION. 10. SITE PREPARATION PROCEDURE FOR THE INSTALLATION OF THE PROPOSED SEPTIC SYSTEM: A. STRIP ALL TOPSOIL, VEGETATION AND ORGANIC MATERIAL IN THE AREA OF AND 5' SURROUNDING THE PRIMARY LEACHING GALLERIES. B. USING A HEAVY RAKE OR EQUAL, THOROUGHLY SCARIFY AND ROUGHEN UP THE EXPOSED SUBSOIL. PREVENT ANY VEHICULAR TRAFFIC, BACKHOE, TRUCKS, ETC. FROM SMOOTHING/COMPACTING THIS EXPOSED SUBSOIL. C. PLACE AND COMPACT SELECT FILL MATERIAL MEETING SPECIFICATIONS INDICATED ABOVE (NOTE #6) IN LIFTS OF NOT GREATER THAN 12" IN THE AREA OF THE PROPOSED LEACHING GALLERIES UP TO AT LEAST THE ELEVATION OF THE TOP OF THE LEACHING GALLERIES. D. PERFORM AT LEAST 1 PERCOLATION TEST ON PLACED FILL. FILL MUST HAVE A PERCOLATION RATE EQUAL TO OR FASTER THAN THAT AS INDICATED IN NOTE #6.D. IF PERCOLATION RATE IS SLOWER THAN THAT RATE, ALL FILL SHALL BE REMOVED AND REPLACED WITH ACCEPTABLE FILL MEET t ri PROPER. SPECIFICATIONS. E. IN3-TA',L SEPTIC SYSTEM PER PLAN USFAG APPROVED AGGREGATE AS INDICA'.'ED IN NOTE #7. F. COVER SYSTEM WITH A OF 6" OF LOAM IN LAWN AREAS, GRADE TO PREVENT PONDING AND SEED WITH GRASS TO STABILIZE. THE FINISHED GRADE 10' FROM ANY PART OF THE PROPOSED LEACHING GALLERIES SHALL BE AT LEAST THE SAME ELEVATION AS THE TOP OF THE RESPECTIVE LEACHING GALLERY. G. CLEANOUT MANHOLES AT THE INLET BAFFLE AND AT THE OUTLET FILTER OF THE SEPTIC TANK OR ASSOCIATED RISERS AT THESE LOCATIONS IF REQUIRED SHALL BE LOCATED AT A DEPTH NOT GREATER THAN 12" BELOW FINAL GRADE. 11. FOR EXACT HOUSE DIMENSIONS, SEE BUILDING PLANS. TEST HOLE & PERC DATA PER UNCAS HEALTH DISTRICT -10/14/04 TH#I - 0"-9" TOPSOIL TH#3 - 0"-7" TOPSOIL - 9"-28" BROWN SANDY LOAM - 7"-38" BROWN SANDY LOAM - 28A 1" SAND & GRAVEL - 38"-69" GREY COMPACT SANDY TILL - 41 "-66" GREY COMPACT SANDY TILL NO WATER, MOTT@38", NO LEDGE WATER@41 "„ MOTT@41 ", NO LEDGE TH#2 - 0"-3" TOPSOIL TH#4 - 0"-4" TOPSOIL - Y-27" BROWN SANDY LOAM - 4"-26" BROWN SANDY LOAM - 27"-68" GREY COMPACT SANDY TILL - 26"-30" SAND & GRAVEL N4 WATER, MOTT@37", NO LEDGE - 30"-65" GREY COMPACT SANDY TILL NO WATER, MOTT@26" , NO LEDGE PERCOLATION TEST WAS PERFORMED BY DAVID COUGHLIN OF THE UNCAS HEALTH DISTRICT ON 1-14-05. PERCOLATION TEST PERCOLATION RATE = 20.0 MR- UTES/INCH SANITARY DESIGN CRITERIA DDnn1-%C11r-T1 A 79 7117 1 /1/1 1 & rr�rnr. OUTLET L)hSIUN PERCOLATION RATE = 10.1-20.0 MINUTES/INCH LEACHING AREA REQUIRED = 900 SF EFFECTIVE DESIGN: 1,250 -GALLON SEPTIC TANK AND 2 ROWS OF 80' (56' AND 24') TOTALING 160' FILTER E FI� OF 4' WIDE, 8' LONG, 12" HIGH CONCRETE LEACHING GALLERIES WITH 12" OF I" LT U DEVJCE STONE SURROUNDING ALL SIDES (2' WIDTH OF STONE AT D -BOX). LEACHING AREA PROVIDED: 2 x 84' x 5.9 SF/LF = 991.2 SF EFFECTIVE 100% RESERVE AREA PROVIDED (12" HIGH CONCRETE GALLERIES) MINIMUM LEACHING SYSTEM SPREAD CALCULATION HYDRAULIC GRADIENT = 5.0 % DEPTH TO RESTRICTIVE LAYER = 37" HYDRAULIC FACTOR = 26 FLOW FACTOR FOR 4 BEDROOMS = 2.0 PERCOLATION FACTOR FOR 10.1- 20.0 MINUTES/INCH = 1.5 MLSS REQUIRED = 78' MLSS PROVIDED = 84' l2" BROKEN STONE OR V SCREENED FINISHED GRADE GRAVEL TYPICAL BOTH SIDES. LOAM & SHED, GR_kDE 48" TO PRE%-r.N PON-DNG PROJECT \TO. 04-142A LIFTING HANDLES 4" DIA. HOLE DF`-`�'NN 'N 13Y- R.A.D. DH FILTER FABRIC DATE: 2/01;'05 REC. - EE E SCALE, 1"=30' _ SHEET 1 OF 1 N 6.Cr FL0W LINE REVISIoNs m. KNOCKOUTS FOR TRENCH INSTALLATION �A - 4'x8"x 12" HIGH CONCRETE 18" MIN TO MOTTLING OR GROUNDWATER LEACHING GALLERY 48" MIN. TO LEDGE%ROCK END VIEW 12" HIGH GALLERY UNIT NOT TO sCAU 30 15 C 30 GRAPHIC SCALE IN FEET 0 SEPTIC SYSTEM DESIGN PLAN PREPARED FOR WILLIAM PIENIADZ FP��!�; i FELLOWS ROAD MONTVILLE, CONNECTICUT Robert J. Schuch, P.E. CONSULTING ENGINEER 57 Sarah Drive Uncasviile, CT 06382 860-848-1539 Fax 860-848-1539 860-460-4369 rlschuc'h(a),snet.net a„ -V KNOCKOUT INLET AND OUTLET OPENINGS E i CAST CONCRETE COVERS - PLAN CAPACITIES A B C 1250 GAL 61" 1 51" 148- 1500 GAL 69" 59" , 56- 4 x 4 12.6/12.6 GA. WLRE MESH 17 1/2" 6 x 6 6/6 GA. WIRE 'MESH i.. 4 I CONTINUOUS HOT f�' oc I ASPHALT SEAL �J " SCHED. #40 T &A PIPI IP CROSS SECTION 1250/1500 GALLON 2 COMPARTMENT SEPTIC TANK NOT TO SCALE NOTES: 1. THIS SEPTIC SYSTEM INSTALLATION INCLUDING ALL MATERIALS (PIPING, SEPTIC TANK, STONE, FILL, ETC.) USED FOR THIS SEPTIC SYSTEM SHALL CONFORM TO THE CURRENT EDITION/REVISION OF THE "TECHNICAL STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS" REVISED JANUARY 1, 2004 OF THE CONNECTICUT PUBLIC HEALTH CODE BY THE STATE OF CONNECTICUT DEPARTMENT OF PUBLIC HEALTH. 2. THE PROPOSED HOUSE SEWER FROM THE BUILDING TO THE SEPTIC TANK SHALL BE SCHEDULE 40 PVC ASTM D 1785/ASTM D 2665 OR APPROVED EQUAL AND INDICATED IN TABLE NO. 2 OF "TECHNICAL STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS". ALL OTHER SEWER PIPE FOR THIS SEPTIC SYSTEM SHALL BE 4" PVC ASTM D3034, SDR 35 WITH RUBBER COMPRESSION GASKET OR BELL AND SPIGOT OR APPROVED EQUAL. 3. THERE ARE NO WELLS (POTABLE, GEOTHERMAL, OR IRRIGATION) WITHIN 75' OF THE PROPOSED SEPTIC SYSTEM. 4. THERE SHALL BE NO STUMPS OR BOULDERS BURIED WITHIN 50' DOWN GRADIENT OF THE SEPTIC SYSTEM. SHOULD ANY SIGNIFICANT VARIATIONS FROM THE 'FEST HOLE DATA BE ENCOUNTERED DURING EXCAVATIONS (LEDGE, GROUNDWATER, MOTTLING, SOIL TYPE, ETC.), THE DESIGN ENGINEER SHALL BE NOTIFIED PRIOR TO INSTALLATION OF THE SEPTIC SYSTEM. 5. ALL EXISTING UTILITIES ARE APPROXIMATE ONLY. THE CONTRACTOR SHALL VERIFY ALL UTILITY LOCATIONS AND ELEVATIONS PRIOR TO ANY CONSTRUCTION. CONTRACTOR SHALL CONTACT "CALL -BEFORE -YOU -DIG" AT 1-800-922-4455 AT LEAST 48 HOURS PRIOR TO ANY EXCAVATION. 6. THE PROPOSED FILL FOR THIS SEPTIC SYSTEM SHALL MEET THE FOLLOWING SPECIFICATIONS: A. 100% OF FILL SHALL PASS THROUGH A 3" SIEVE. B. MAXIMUM % OF GRAVEL (BETWEEN #4 & 3" SIEVE) = 45 %. C. GRADATION OF FILL WITHOUT THE GRAVEL SHALL MEET THE FOLLOWING CRITERIA: SIEVE SIZE % PASSING (WET) % PASSING (DRY) #4 100% 100% #10 70-100% 70-100% #40 10-50% 10-75% #100 0-20% 0-5% #200 0-5% 0-2.5% D. * PERCENT PASSING THE #40 WET SIEVE CAN BE INCREASED TO NO GREATER THAN 75% IF THE PERCENT PASSING THE #100 SIEVE DOES NOT EXCEED 10% AND THE #200 SIEVE DOES NOT EXCEED 5 afro. E. PERCOLATION RATE AFTER PLACEMENT AND COMPACTION SHALL BE FASTER THAN OR EQUAL TO 20.0 MINUTES/INCH. A WET OR DRY SIEVE ANALYSIS MAY BE REQUIRED PRIOR TO FILL PLACEMENT TO VERIFY THAT IT MEETS THESE SPECIFICATIONS. THE FILL SHALL BE APPROVED BY THE UNCAS HEALTH DISTRICT OR DESIGN ENGINEER PRIOR TO ITS PLACEMENT ON SITE. 7. APPROVED AGGREGATE SHALL BE STONE AGGREGATE OR OTHER PRODUCTS APPROVED BY THE COMMISSIONER OF PUBLIC HEALTH. STONE AGGREGATE SHALL BE BROKEN STONE, CRUSHED STONE, OR SCREENED GRAVEL MEETING THE CONNECTICUT DEPARTMENT OF TRANSPORTATION FORM 814A (OR LATEST REVISION THERETO) SPECIFICATION M.01.01 FOR NO.4 STONE, FREE OF SILT, DIRT, OR DEBRIS, SHALL SHOW A LOSS OF ABRASION OF NOT MORE THAN 50% USING AASHTO METHOD T-96 AND CONFORM TO THE FOLLOWING: SIEVE SIZE % PASSING 2 INCH 100% 1.5 INCH 90-100% 1 INCH 20-55% 3/4 INCH 0-10% 3/8 INCH 0-5% 8. NO DEVIATION FROM THE APPROVED DESIGN PLAN SHALL BE ALLOWED WITHOUT PRIOR APPROVAL FROM THE UNCAS HEALTH DISTRICT AND THE DESIGN ENGINEER. 9. THE SEPTIC TANK SHALL BE PRECAST CONCRETE UNLESS OTHERWISE AUTHORIZED BY THE DESIGN ENGINEER AND SHALL BE TESTED FOR WATER TIGHTNESS AFTER INSTALLATION. 10. SITE PREPARATION PROCEDURE FOR THE INSTALLATION OF THE PROPOSED SEPTIC SYSTEM: A. STRIP ALL TOPSOIL, VEGETATION AND ORGANIC MATERIAL IN THE AREA OF AND 5' SURROUNDING THE PRIMARY LEACHING GALLERIES. B. USING A HEAVY RAKE OR EQUAL, THOROUGHLY SCARIFY AND ROUGHEN UP THE EXPOSED SUBSOIL. PREVENT ANY VEHICULAR TRAFFIC, BACKHOE, TRUCKS, ETC. FROM SMOOTHING/COMPACTING THIS EXPOSED SUBSOIL. C. PLACE AND COMPACT SELECT FILL MATERIAL MEETING SPECIFICATIONS INDICATED ABOVE (NOTE #6) IN LIFTS OF NOT GREATER THAN 12" IN THE AREA OF THE PROPOSED LEACHING GALLERIES UP TO AT LEAST THE ELEVATION OF THE TOP OF THE LEACHING GALLERIES. D. PERFORM AT LEAST 1 PERCOLATION TEST ON PLACED FILL. FILL MUST HAVE A PERCOLATION RATE EQUAL TO OR FASTER THAN THAT AS INDICATED IN NOTE #6.D. IF PERCOLATION RATE IS SLOWER THAN THAT RATE, ALL FILL SHALL BE REMOVED AND REPLACED WITH ACCEPTABLE FILL MEET t ri PROPER. SPECIFICATIONS. E. IN3-TA',L SEPTIC SYSTEM PER PLAN USFAG APPROVED AGGREGATE AS INDICA'.'ED IN NOTE #7. F. COVER SYSTEM WITH A OF 6" OF LOAM IN LAWN AREAS, GRADE TO PREVENT PONDING AND SEED WITH GRASS TO STABILIZE. THE FINISHED GRADE 10' FROM ANY PART OF THE PROPOSED LEACHING GALLERIES SHALL BE AT LEAST THE SAME ELEVATION AS THE TOP OF THE RESPECTIVE LEACHING GALLERY. G. CLEANOUT MANHOLES AT THE INLET BAFFLE AND AT THE OUTLET FILTER OF THE SEPTIC TANK OR ASSOCIATED RISERS AT THESE LOCATIONS IF REQUIRED SHALL BE LOCATED AT A DEPTH NOT GREATER THAN 12" BELOW FINAL GRADE. 11. FOR EXACT HOUSE DIMENSIONS, SEE BUILDING PLANS. TEST HOLE & PERC DATA PER UNCAS HEALTH DISTRICT -10/14/04 TH#I - 0"-9" TOPSOIL TH#3 - 0"-7" TOPSOIL - 9"-28" BROWN SANDY LOAM - 7"-38" BROWN SANDY LOAM - 28A 1" SAND & GRAVEL - 38"-69" GREY COMPACT SANDY TILL - 41 "-66" GREY COMPACT SANDY TILL NO WATER, MOTT@38", NO LEDGE WATER@41 "„ MOTT@41 ", NO LEDGE TH#2 - 0"-3" TOPSOIL TH#4 - 0"-4" TOPSOIL - Y-27" BROWN SANDY LOAM - 4"-26" BROWN SANDY LOAM - 27"-68" GREY COMPACT SANDY TILL - 26"-30" SAND & GRAVEL N4 WATER, MOTT@37", NO LEDGE - 30"-65" GREY COMPACT SANDY TILL NO WATER, MOTT@26" , NO LEDGE PERCOLATION TEST WAS PERFORMED BY DAVID COUGHLIN OF THE UNCAS HEALTH DISTRICT ON 1-14-05. PERCOLATION TEST PERCOLATION RATE = 20.0 MR- UTES/INCH SANITARY DESIGN CRITERIA DDnn1-%C11r-T1 A 79 7117 1 /1/1 1 & rr�rnr. OUTLET L)hSIUN PERCOLATION RATE = 10.1-20.0 MINUTES/INCH LEACHING AREA REQUIRED = 900 SF EFFECTIVE DESIGN: 1,250 -GALLON SEPTIC TANK AND 2 ROWS OF 80' (56' AND 24') TOTALING 160' FILTER E FI� OF 4' WIDE, 8' LONG, 12" HIGH CONCRETE LEACHING GALLERIES WITH 12" OF I" LT U DEVJCE STONE SURROUNDING ALL SIDES (2' WIDTH OF STONE AT D -BOX). LEACHING AREA PROVIDED: 2 x 84' x 5.9 SF/LF = 991.2 SF EFFECTIVE 100% RESERVE AREA PROVIDED (12" HIGH CONCRETE GALLERIES) MINIMUM LEACHING SYSTEM SPREAD CALCULATION HYDRAULIC GRADIENT = 5.0 % DEPTH TO RESTRICTIVE LAYER = 37" HYDRAULIC FACTOR = 26 FLOW FACTOR FOR 4 BEDROOMS = 2.0 PERCOLATION FACTOR FOR 10.1- 20.0 MINUTES/INCH = 1.5 MLSS REQUIRED = 78' MLSS PROVIDED = 84' l2" BROKEN STONE OR V SCREENED FINISHED GRADE GRAVEL TYPICAL BOTH SIDES. LOAM & SHED, GR_kDE 48" TO PRE%-r.N PON-DNG PROJECT \TO. 04-142A LIFTING HANDLES 4" DIA. HOLE DF`-`�'NN 'N 13Y- R.A.D. DH FILTER FABRIC DATE: 2/01;'05 REC. - EE E SCALE, 1"=30' _ SHEET 1 OF 1 N 6.Cr FL0W LINE REVISIoNs m. KNOCKOUTS FOR TRENCH INSTALLATION �A - 4'x8"x 12" HIGH CONCRETE 18" MIN TO MOTTLING OR GROUNDWATER LEACHING GALLERY 48" MIN. TO LEDGE%ROCK END VIEW 12" HIGH GALLERY UNIT NOT TO sCAU 30 15 C 30 GRAPHIC SCALE IN FEET 0 SEPTIC SYSTEM DESIGN PLAN PREPARED FOR WILLIAM PIENIADZ FP��!�; i FELLOWS ROAD MONTVILLE, CONNECTICUT Robert J. Schuch, P.E. CONSULTING ENGINEER 57 Sarah Drive Uncasviile, CT 06382 860-848-1539 Fax 860-848-1539 860-460-4369 rlschuc'h(a),snet.net