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HomeMy WebLinkAbout911 Great Island Road - Sewage Disposal System UpgradeSOIL TEST PIT DATA: TEST PIT _ -#1 TEST PIT #2 GIRD. EL. 19.9 GRD. EL. 19.9 EST. HIGH GW. N/A EST. HIGH GW. 9.4 FILL 7- LOAOMWY 4A/ND COOLY 4i6D EL = 15.9 MEDIUM SAND 10YR 7/4 NO G.WATER FI/LL LOA SAND 10YR 4/1 LOAMY 4/6D EL = 16.0 74" MEDIUM SAND 10YR 7/4 NO G. WATER1 -1 " " EL = 9.9 120 EL = 9.4 126 DATE: DATE: 10/17/07 10/17/07 TEST BY: TEST BY: THE BSC GROUP, INC. THE BSC GROUP. INC. WITNESSED BY: WITNESSED BY: PHIL RENAUD PHIL RENAUD PERC. RATE: PERC. RATE: 2 MIN./INCH 2_MIN./INCH SOIL EVALUATOR SOIL EVALUATOR MARK DIBB MARK DIBB SOIL CLASS: SOIL CLASS: 1 1 L.T.A.R. L.T. A.R. 0.74 G.P.D./SQ.FT. 0.74 G.P.D./SQ.FT. DATUM: VERTICAL DATUM: N.G.V.D. BENCH MARK SET: TOP OF CONCRETE BOUND ELEVATION 21.11 PROFILE: NOT TO SCALE EL.- A TOP FOUNDATION CONCRETE COVERS TO WITHIN EL. -17.80 6' OF FINISHED GRADE. 7 24" 32" OCTOBER 17, 2007 24" HIGH GROUNDWATER COMPUTATION BASED ON MHW MHW ELEVATION 2.5_ 36" 46" 48" 5 OUTLETL DIST. BOX I F SEPTIC TANK ALL COMPONENTS H-20 INVERT ELEVATIONS: TOP OF FOUNDATION 18.5 A 4" INVERT AT BUILDING 16.43 B 4" INVERT AT SEPTIC TANK (IN) 16.03 C 4" INVERT AT SEPTIC TANK (OUT) 15.78 D 4" INVERT AT DIST. BOX (IN) 15.00 E 4" INVERT AT DIST. BOX (OUT) 14.83 F NG FACILITY INDICATES _L ESTIMATED SEASONAL HIGH GROUND WATER INDICATES - v_ OBSERVED GROUND WATER INDICATES PERC. TEST ®INDICATES UNSUITABLE MATERIAL SEPTIC TANK DETAIL: 1,500 GALLON H-20 DISTRIBUTION BOX DETAIL: NOT TO SCALE LEACHING DETAIL: NOT TO SCALE H-20 COMPONENTS NOT TO SCALE NO. OF OUTLETS : 91 11 11 47.0' - NOTES: 1. SEPTIC TANK SHALL BE STEEL 5. INLET AND OUTLET TEES TO BE CAST IRON, FINISHED GRADE 4" PVC SCHED. 40 PVC OR CAST -IN-PLACE CONCRETE r r•;;� ;, PIPE o0 0 000 0 0 0 0 0 0 0 REINFORCED CONCRETE. 0 0 0 0 $ 0 00 0° °oo °o° •°0 800 TEES TO BE CENTERED UNDER MANHOLE COVER. REMOVABLE �:� 3• WALLS NOTES: ° ° 2. SEPTIC TANK TO WITHSTAND H-20 LOADING COVER o - E50nO - - c° 3, ALL PIPE CONNECTIONS AND CONCRETE 1. DIST. BOX TO WITHSTAND H-20 LOADING o° - o° 56" 12'-10" CONSTRUCTION SHALL BE WATERTIGHT. v:•v. :•v.::.a 5' 2. PROVIDE INLET TEE OR BAFFLE WHERE ° 00 A ON CACHING RY1 T o 00 0 0 00 0 00 0 0 0° o 4. FILL ALL UNUSED KNOCKOUTS WITH I SLOPE OF PIPE EXCEEDS 0.08 FT./FT OR °o � X00 o MORTAR 2-24" DIA CONCRETE MANHOLES 0 0 0 0 0 0 0 0 0 0 0 0 W/ METAL HANDLES BROUGHT 20• IN PUMPED SYSTEM. 0 0 0 0 0 0 0 0 0 0 0 0 0 0 Tb 6" OF FINISH GRADE�II 6" 9,5" OUTLETS a B. 1 3. FIRST TW'0 FEET OF PIPE OUT OF DIST. 55.0 TEE TO BE UNDER 12" MIN I BOX TO BE WD LEVEL PLAN VIEW - LEACHING CHAMBERS M.H. OPENING COVE 6.; ,� . . •. •.• 4.a T 4. RECOMMENDED MANUFACTURER-SHOREY LOAM do SEED DISTURBED AREAS AWAMWn�� L- 4 OR APPROVED EQUAL RAISE M.H Wf-► 6" 'BOTTOM ON LEVEL 8" MIN. 3 4" TO 5. ALL PIPE CONNECTIONS AND CONCRETE - 11'-0' SEWER BRICK �:. -.. -.: :,..:•.. STABLE BASE 1 1/2' CRUSHED CONSTRUCTION SHALL BE WATERTIGHT. �- 10'-0" do MORTAR 12• :eTT CROSS-SECTION ST E BASE 3' MAX. COMPACTED FI L 36" MAXIMUM,12"MINIMUM NORMAL WATER LEVEL 6. FlT BREAKOUT BARRIER SNUG AROUND ° 0 0 3• PRECAST SEPTIC TANK 10" 14" r INLET TEE :2 5'-0 -[- 5'- 30 C0• 4'-g" 4'-1• MIN. aqru �mroa :" 6'-0 3 LIQUID DEPTH (oAs ramal e: 6'-2" r 1 N O D -BOX AND USE EPDXY RESIN FOR WATER o 0 0°° 3" LAYER TIGHT SEAL 0§ p p Q p 0 < PEASTONE 7. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. 36" 24 0 " p p p p p 0 EFFEC. CID O p p p p p DEPTH O 0 p p p p p 56" 3/4" - 1 1/2" WASHED STONE 12'-lO" o;. BOTTOM ON LEVEL STABLE BASE Hood PLAN VIEW 6- MIN. 3/4" TO "r -'"M OSS-SE(:TION OF CHAMBER 1 1/2" STONE CROSS-SECTION VIEW PLAN VIEW, LOT 92 \ N/F MALCOME G. CHACE ASSESSORS MAP 3 PARCEL 4.1 DESIGN CRITERIA: DES,GN FLOW: (22 `\ \ 6 BEDROOMS AT110G.P.B./D 660 G.P.D. �� `, �\ \ ,� REQ !RED SEPTIC TANK: WELL 660 X 200% 1320 GAL. - / T I / ( / ` \ OF 4F \ 2 \ SEPTIC TANK PROVIDED: = 1500 GAL. `Pv TELEPHONE �j / rHAND HOLE ' SIZE OF LEACHING FACILITY REQUIRED: yi17 J"e, ELECTRIC' ' j �� � V `\ \ N AND HOLE DESIGN PERC. RATE: <2 / \ MIN. INCH /QO ® \ LONG TERM APPL. RATE 0.74 G.P.D/S.F. J _ \ /1 Lo 660 GPD + 0,74 GPD/SF = 892 S.F. N\90� y \ SIZE OF LEACHING FACILITY PROVIDED: � � / \ < \ USE (5> 500 H-20 GALLON C0NC FIRST PIPE LENGTH O� \" , `- ,, �_ �\ \ \ CB/DH / �\ LEACHING CHAMBERS 12.83'X2'X55' o TO BE SET LEVEL o 03 \\ \ \ FND ` \ FOR MIN, 2'., -FINISH GRADE ' ' , \ n - \ SIDE WALL = 2<12'.83+55') X 2' = 271,3 _ =1 .�-,6.5 R, of Wq \ \ BD , LSM 12.83' X 55' -� BOT "k, PVC ;CH 40 , L�TS 13,1 10 BENEFIT E v_ e.. \ _,.. ` \ .�i: 5.6 976 S,F, -� - n F ' S, 6 COMPILED 1 1 '� \ \ IEACHwG CHAue,:R - �r _. _. OM.,.. PLA 4075. - IUD 0 0 0 0 0 0 1 -�.. 1 976 S.F x 0.74 GPA/SF = 722 GPD C3 Ho 0 0 0 0 0 © \ 3 \ ¢ I E �\ \ 660$ GPD REQ. < 722 GPD PROVIDED. f r / ZONE /_ / e �,�. <� ♦\ 9.75' SEPARATION 2� \ J EST. HIGH GROUNDWA7ER0" LL PIS? N/F 13 p \ ` DEWEY A 00• INVERTS AT LEACHI 4" INVERT AT BEGINNING OF LEACHING CHAMBER 14.50 G BREAKOUT 15.0 ELEVATION AT BOTTOM OF LEACHING CHAMBER 12.50 H ADJUSTED 2.75 J TIDAL GROUNDWATER NO OBSERVED GROUNDWATER BOTTOM OF HOLE 9.4 VARIANCES REQUESTED: TOWN OF YARMOUTH: REQUIRES TOP OF FOUNDATION TO BE 2' ABOVE HIGH POINT (23.1) OF ROAD PROPOSED TOP OF FOUNDATION 0 ELEV 18.5' (4.60 BELOW ROAD) i ` / FD r,l ',?P#2 �r,SESSORS MAP 3 h0FDONED A�'oo J _,-7) / >��,�b-�? r P4RCEL 3 ` LOCUS INFORMATION .., �--� �PpFSF� 88,177*S.F. STAKE N, , 2.0 ACRE S\ *11* SET CURRENT OWNER: DEWEY AWAD > / ' TITLE REFERENCE: CERT. 182034 °.� 1 \ �/ PROPOSED CPWS UCTIO '0 - �v/ 20 /• / STAGING A A 0'x80' _ _ _ _ lie PLAN REFERENCE: L.C. 4075-J _• -� PROPOSED HOUSE -- W ___ / `J/ \ OA,p 0 SIDE RESOURCE BUFFER ASSESSORS MAP: 3 " PARCEL 3 1 N<C,p� _ r / l 1\\ \\ \ �W / / / O���F ~-- ' ZONING DISTRICT- R-87 (S.P. DOC.#494719) BKHE l 5 �� SETBACKS: FRONT 25' j �pJF / , x• SIDE 12' \ P l G / " REAR 20' ;: - - \ j/ / t A ME R 1 - µ �� o x MINIMUM LOT SIZE: 10,000 S.F. p EXISTING LOT AREA: 88,171±S.F. 20 // , \ / ` LAMP ( ,g _�P/ .. 2.0 ±ACRES FEMA FLOOD / � / '� .ZONE DISTRICT: ZONE C &ZONE A / CY 0 ZONE V-9 (EL =19 3) \ \ off\ EXISTING �£� �\ 0D FRA \ %STONE/ WALL ' ' ` O OUSE / 1 / , I OF ISTING S PTIC 1 ( 01%=20.4lb •' / � � � � �����kti I ,� / G. S 0400p ft4m O \ f E v OHO °`�\ \\ \ '� \ / � /, _ \ \ t •. �Fas/ONAI E� cl N/F 1s J \� N"0 L -__SRN O D B. CHACE ASSESSORS MAP 3 PARCEL 2 \ 1 PROPOSED FIT. \ \ \.\CB -G\ \ , / STAGIN A 40'x40' 4010 � \ -117 OZz B- /t �4' ' y A FLOOp zONe UNE \ \ 10 PANEL 250015 0007 C DATED 6/17/86 x OVERLAY DISTRICT: NOT IN A ZONE II LOCUS PLAN: NO SCALE St u CFIrLLD Al No'3509 /1+' a jj'z. 4wr +�x; �i�P .lrav,5s"1i:�er '��r�� ,.6p �i7%Vi':1"%�CA."AG��O;�.��J�i�6.., Y� iti�.E PLAN VIEW SCALE: 1' = 20 FEET 0 10 20 40 FT. COPY REVISIONS Wwi'Ad3++�9 GENERAL NOTES: I. THIS PLAN IS FOR DESIGN AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITY ONLY. 2. ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO MASS. O.E.P TITLE 5 AND LOCAL BOARD OF HEALTH REGULATIONS. 3. ALL PIPES LOCATED UNDER PAVEMENT OR TRAVELED WAY SHALL BE SCHEDULE 40 OR EQUAL 4. THERE ARE NO KNOWN PRIVATE WELLS LOCATED WITHIN 150 FT. OF THE PROPOSED LEACHING FACILITY NOR ANY KNOWN WELLS PROPOSED WITHIN 150' OF ANY KNOWN LEACHING FACILITY. 5. WITHIN LIMIT OF EXCAVATION REMOVE ALL TOPSOIL, SUBSOIL AND OTHER IMPERVIOUS MATERIAL h' ,iCv,I�F COPY REVISIONS NO. DATE DESCRIPTION GENERAL NOTES: I. THIS PLAN IS FOR DESIGN AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITY ONLY. 2. ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO MASS. O.E.P TITLE 5 AND LOCAL BOARD OF HEALTH REGULATIONS. 3. ALL PIPES LOCATED UNDER PAVEMENT OR TRAVELED WAY SHALL BE SCHEDULE 40 OR EQUAL 4. THERE ARE NO KNOWN PRIVATE WELLS LOCATED WITHIN 150 FT. OF THE PROPOSED LEACHING FACILITY NOR ANY KNOWN WELLS PROPOSED WITHIN 150' OF ANY KNOWN LEACHING FACILITY. 5. WITHIN LIMIT OF EXCAVATION REMOVE ALL TOPSOIL, SUBSOIL AND OTHER IMPERVIOUS MATERIAL 6. REPLACE ALL EXCAVATED MATERIAL WITH CLEAN GRANULAR SAND, FREE FROM ORGANIC MATERIAL AND DELETERIOUS SUBSTANCES. MIXTURES AND LAYERS OF DIFFERENT CLASSES OF SOIL SHALL NOT BE USED. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN TWO INCHES. A SIEVE ANALYSIS, USING A /4 SIEVE, SHALL BE PERFORMED ON A REPRESENTATIVE SAMPLE OF FILL. UP TO 45% BY WEIGHT OF THE FILL SAMPLE MAY BE RETAINED ON THE #4 SIEVE. SIEVE ANALYSES ALSO SHALL BE PERFORMED ON THE FRACTION. OF FILL SAMPLE PASSING THE #4 SIEVE, SUCH ANALYSES MUST DEMONSTRATE THAT THE MATERIAL MEETS EACH OF THE FOLLOWING SPECIFICATIONS: 100% MUST PASS #14 SIEVE (4.75 mm EFFECTIVE PARTICLE SIZE) 10%-100% MUST PASS X50 SIEVE (0.30 mm EFFECTIVE PARTICLE SIZE) 0%-20% MUST PASS #100 SIEVE (0.15 mm EFFECTIVE PARTICLE SIZE) O%-5% MUST PASS #200 SIEVE (0.075 mm EFFECTIVE PARTICLE SIZE) 7. EXISTING UTILITIES WHERE SHOWN IN THE DRAWINGS ARE APPROXIMATE. THE CONTRACTOR SHALL BE RESPON- SIBLE FOR PROPERLY LOCATING AND COORDINATING THE PROPOSED CON- STRUCTION ACTIVITY WITH DIG -SAFE AND THE APPLICABLE UTILITY COMPANY AND MAINTAINING THE EXISTING UTILITY SYSTEM IN SERVICE. DIG -SAFE SHALL BE NOTIFIED PER THE STATE OF MASSACHUSETTS STATUTE CHAPTER 82, SECTION 409 AT TEL. 1-886-344-7233. THE ENGINEER DOES NOT GUARANTEE THEIR ACCURACY OR THAT ALL UTILITIES AND SUBSURFACE STRUCTURES' ARE SHOWN. LOCATIONS AND ELEVATIONS OF UNDERGROUND UTILITIES ?.. TAKEN FROM RECORD PLANS. THE CONTRACTOR SHALL VERIFY SIZE, LOCATION AND INVERTS OF UTILITIES AND STRUCTURES AS REQUIRED PRIOR TO THE START OF CONSTRUCTION. 8. THIS IS NCT DESIGNED FOP THE USE Oa A GARBAGE GRINDER. A GARBAGE GRINDER IS NOT RECOMMENDED DUE TO RECOGNIZED ADVERSE IMPACTS TO THE LEACHING FACILITY. 9. EXITING INVERTS ARE TO BE CHECKED BY THE CONTRACTOR PRIOR TO CONSTRUCTION. CONFIRM LOCATION k NUMBER OF INVERTS. 0. THE ENGINEER IS TO BE NOTIFIED OF ANY FIELD CHANGES THAT MAY BE REQUIRED. 1110700" BSC GROUP 349 Route 28, Main Street, Unit D W. Yarmouth Massachusetts 02673 508 778 8919 PROJECT TITLE: DESIGN FOR SEWAGE DISPOSAL SYSTEM UPGRADE X911 GREAT ISLAND RD. W. YARMOUTH MASSACHUSETTS PREPARED FOR: DEWEY AWAD C/O MOREHOUSE MocDONALD ASSOCIATES 3 BOW STREET LEXINGTON, MA 02420 DATE: AUGUST 6, 2008 COMP. DESIGN: K. HEALY CHECK: M. DIBB DRAWN: P. HAGIST FIELD: D. GAZZOLO / N. MERCIER FILE NO. 8858-6.dwg DWG NO. 5647-04 SHEET 1 of 1 JOB NO. 4-885 571LE COPY