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HomeMy WebLinkAbout347 Highbank Road Sewage Disposal System Repair DesignSOIL TEST PIT DATA: OCTOBER 6, 2004 TEST PIT A TEST PIT 8 GRD. EL. 93.4 GRD. EL. 85.3 EST. LOAMY B SAND 1OYR 616 EL = 91.9 MEDIUM SAND 2.5Y 6/4 E09 EST. HIGH GW. 77.8 LOAMY SND 1OYR 4 4 7" HIGH GROUNDWATER COMPUTATION B BASED ON TP#B LOAMY !I 10YR 6 6 " DEPTH TO BOTTOM OF HOLE 10.1 8 EL = 83.8 18 INDEX WELL MIW-2 WATER LEVEL RANGE ZONE A CURRENT DEPTHOINDEX WELL(9/04) 9.4 WATER LEVEL ADJUSTMENT 2.5 DEPTH TO ADJUSTED HIGH WATER 7.5 C FINE MEDIUM AND 2.5Y 6/4 90" INDICATES EL = 83.4 120" EL = 75.3 120" Z ESTIMATED SEASONAL HIGH DATE: DATE: GROUND WATER 10/6/04 10/6/04 INDICATES TEST BY: TEST BY: v_- OBSERVED THE BSC GROUP, INC. THE BSC GROUP, INC. GROUND WATER WITNESSED BY: WITNESSED BY: INDICATES DAVE FLAHERTY DAVE FLAHERTY PERC. PERC. RATE- PERC. RATE: TEST 2 MIN./INCH 2_MIN./INCH SOIL EVALUATOR SOIL EVALUATOR❑ INDICATES CRAIG FIELD CRAIG FIELD UNSUITABLE MATERIAL 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: ASSUMED BENCH MARK SET: TOP OF WOODEN STAKE EL.=94.84 PROFILE: NOT TO SCALE EL.= A FIRST PIPE LENGTH TOP FOUNDATION TO BE SET LEVEL �� CONCRETE COVERS TO WITHIN EL= 95.1 / \ 6" OF FINISHED GRADE FOR MIN. 2' FINISH GRAD e - • ` EL --94.5-9f8 7 /�4-PVC SCH 40 I -C I I 1-E 5 OUTLET I=F I DIST. BOX 12.2' SEPARATION SEPTIC TANK EST. HIGH GROUNDWATER J INVERT ELEVATIONS: TOP OF FOUNDATION 95.7 A 4" INVERT AT BUILDING 93.0 B REPLUMB 4" INVERT AT SEPTIC TANK (IN) 92.65 C 4" INVERT AT SEPTIC TANK (OUT) 92.40 D 4" INVERT AT DIST. BOX (IN) 92.30 E 4" INVERT AT DIST. BOX (OUT) 92.13 F INVERTS AT LEACHING FACILITY. 1 1/2' CRUSHED 4. ALL PIPE CONNECTIONS AND CONCRETE 4" INVERT AT BEGINNING CONSTRUCTION SHALL BE WATERTIGHT. 50" OF LEACHING CHAMBER 92.0 G BREAKOUT 92.5 ELEVATION AT BOTTOM 'IPE ° 0°00 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ° 00 OF LEACHING CHAMBER 90.0 H ADJUSTED -5. GROUNDWATER 84.9 J NO OBSERVED GROUNDWATER LOAM do SEED DISTURBED AREAS BOTTOM OF HOLE 83.4 COMPACTED FILL 36" MAXIMUM 12 -MINI M FLOOR PLAN KITCHEN 0 RIDGE O LIVING 0 w DINING w m M •�� 0 0 as. HOUSE #347 a a SEPTIC TANK DETAIL: 1,500 GALLON NOT TO SCALE NOTES: 1. SEPTIC TANK SHALL BE STEEL 5. INLET AND OUTLET TEES TO BE CAST IRON, REINFORCED CONCRETE. SCHED. 40 PVC OR CAST -IN -PUCE CONCRETE. 2. SEPTIC TANK TO WITHSTAND H-10 LOADING TEES TO BE CENTERED UNDER MANHOLE COVER. UNLESS UNDER PAVEMENT, DRIVES OR TRAVELED WAYS, WHEREIN H-20 LOADING SHALL APPLY. 3. ALL PIPE CONNECTIONS AND CONCRETE 2-24" DIA CONCRETE MANHOLES CONSTRUCTION SHALL BE WATERTIGHT. W/ METAL HANDLES BROUGHT 4. FILL ALL UNUSED KNOCKOUTS WITH Tb 6" OF FINISH GRADE MORTAR. TEE TO BE UNDER 12" MIN. M.H. OPENING 3' RAISE M.H WCL SEWER BRICK Fe . • e.� : ; :; < - do MORTAR ;� 10'-0' NORMAL WATER LEVEL 12' PRECAST SEPTIC TANK 10" 14" T C7e• INLET TEE O 5'-2 4'-6' ' 4'-0" MIN. � ` 5'-8" 15 1/2" Z OULIQUID DEPTH ?._Y-::. •08...: �•. 4: eI .: '!• ate'• ..O u BOTTOM ON LEVEL STABLE BASE C e L4.30 PLAN VIEW 6" 1M1 /2; STONE CROSS-SECTION VIEW DISTRIBUTION BOX DETAIL: NOT TO SCALE NO. OF OUTLETS: 5 FINISHED GRADE 6" 5.5 OUTLETS VARIANCES REQUESTED: NONE NOTES: STABLE BASE CROSS-SECTION 30 PRECAST DIST. BOX T T 17 71/4 PLAN VIEW 2' WALLS NOTES: 1 �T- 1. DIST. BOX TO WITHSTAND H-10 LOADING PVC BAWW" iI UNLESS UNDER PAVEMENT, DRIVES OR TRAVELED WAYS WHEREIN H-20 LOADING -F 15- SHALL APPLY. 8' 2. PROVIDE INLET TEE OR BAFFLE WHERE 330 GPD SLOPE OF PIPE EXCEEDS 0.08 FT./FT OR iYL°�e T IN PUMPED SYSTEM. L- 2' 3. FIRST TWO FEET OF PIPE OUT OF DIST. 6' MIN. 3/4" TO BOX TO BE LAID LEVEL 1 1/2' CRUSHED 4. ALL PIPE CONNECTIONS AND CONCRETE STONE BASE CONSTRUCTION SHALL BE WATERTIGHT. 50" 5. FILL ALL UNUSED KNOCKOUTS WITH MORTAR. LEACHING DETAIL: NOT TO SCALE SIZE OF LEACHING FACILITY REQUIRED: DESIGN PERC. RATE: <2 MIN./ INCH 22.5' LONG TERM 00 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 o 0 o 0 0 0 0 0 0 0 0 0 0 0 0 0 o 0 0 o 0 0 0 0 0 0 00 0 0 330 GPD 0 0 o 0 ° 3 UNITS OBS 00 USE HIGH DENSITY POLYETHYLENE HIGH DENSITY 00 50" "PVC oo POLYETHYLENE INFILTRATOR 3050 00 o = 2(12'+25') X 2' = 148 'IPE ° 0°00 0 0 00 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 ° 00 t12' 1 REQUIRED) NOTES 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 -5. 25.0' PLAN VIEW - LEACHING CHAMBERS LOAM do SEED DISTURBED AREAS 3' MAX. COMPACTED FILL 36" MAXIMUM 12 -MINI M 0 0°0 o°opo° o°o opo o°o 3"LAYER � DENISITY O p REMOVE E 30" 24" O Op p $ Op POLYETHYLENE 0 UNSUITABLE EFFEC. p 000 0 INFILTRATOR 3050 0 0 MATERIAL FOR DEPTH LEACHING O 0 5' ALL AROUND L 00p CHAMBER p IF APPLICABLE " 3/4' - 1 1/2" 47" 50" 47" WASHED STONE 12' 22' CROSS-SECTION OF CHAMBER UA&A ♦ 1.) PRIVATE UTILITY MARKING COMPANY aJ�41 U� RECOMMENDED. r1! 2.) OVERDIG/STRIPOUT MAY NOT BEpEl LOT 24 REQUIRED. CONFIRM AT TIME OF N/F \G ANDREW INSTALLATION WITH BOH `Qv��ASSESSORS MASP91 PARCEL 63 v / / BENCHMARK: TOP OF WOODEN \ �"A .%i • 1 �' S 837 6.52. STAKE EL.=94.84 (ASSUMED) .� W r' /K\ 74.20' CA / P::: MINA .. . .Y \\ �� �J W /0 �i /� �0 '9�� CKA E NC 7652" W 9Q 18• (� Re INIMG y�q �� 1 1 %TWIN PINE 96 E G . Ir � \ \ O �\�H/ _/ / / N 1 STORY HL INV=88.6 p \ \ 2" pl 1 o l i /05 WORK OOD FRAM �J [y' i0� / SHOP S S 1 STORY SHE OOD FRAM 10.00 z CEO R I HOUSE / TP A DESIGN CRITERIA: DESIGN FLOW: 3 BEDROOMS AT110G.P.B./D 330 G.P.D. REQUIRED SEPTIC TANK: 330 X 200% 660 GAL. SEPTIC TANK PROVIDED: = 1500 GAL. IF SEE �'X:ND SIZE OF LEACHING FACILITY REQUIRED: DESIGN PERC. RATE: <2 MIN./ INCH LONG TERM APPL. RATE 0.74 G.P.D/S.F. 330 GPD + 0.74 GPD/SF = 446 S.F. SIZE OF LEACHING FACILITY PROVIDED: USE HIGH DENSITY POLYETHYLENE LEACHING CHAMBERS(3 UNITS) 12'X2'X25' SIDEWALL = 2(12'+25') X 2' = 148 IMITS OF XCAVATION BOTTOM = 12' X 25' = 300 448S.F. REQUIRED) NOTES 448 S.F x 0.74 GPD/SF = 331GPD -5. / / EXISTING SEPTIC C6/DHHH // / I I S� TOF=89.96 I ! N 787 , 0 A. S. "D" �-I COMPONENTS TO `D I I 2 BR {y 0 O GRAVE 7 IE I y I BE PUMPED �•-• BOX Z CRUSHED AND SLAB / q�C INV=68.11 rn I I -96 1 REMOVED LOCUS INFORMATION DE I 3 r/� / n FROM SITE. W \ / � CURRENT OWNER: WALTER &MARY CROWELL STOOP \10" E ;� / 10' 1500 GA . OAK I " STO ,n E TITLE REFERENCE: DEED BOOK 6281, PAGE 224 10*INE O / W ''� EXISTING INVERT I o 25TORY M WOOD FRAME NOT VISIBLE UNDER PLAN REFERENCE: PLAN BOOK 323 PAGE 2 BS \ 0 ^ 9 / HOUSE #347 DIRT IN CRAWL 7" TU L0� z TOF=95.71 C.O. w SPACE. REPLUMB ASSESSORS MAP: 91 TP� B �- 10" PIN 9j� 14" P : . 2 BR iv TO DESIRE INVERT PARCEL: 127 10" PINE " I,gjT - X / 5 IF NECESSARY. ZONING DISTRICT: R-40 co to LOT 23 \ \cp \� �� DO OOD (:PA - SETBACKS: FROSIDE 20' r N/F N L\ ds �a \ i ' ` \ "D OX \ 10" PIN y ' CONCRETE N/F REAR 20' q�O WALTER M. CROWELL\ \ \, - ' \ 10" PINE 14" PINE / / / 3 APRON I STEPHEN L EDWARDS ,rT,`a ASSESSORS MAP 91 \\ \ \ GRAVEL DRIVE --J �+`'4 ASSESSORS MAP 91 MINIMUM LOT SIZE: 40,000 S.F. ,^� ! PARCEL 64 \ ., \ a ��' °' PARCEL 128 18,264tS.F. ` ` ` EXIST. TOTAL LOT AREA: 17,144tS.F. IN S75'0 ' 'L 0� 14 - PINE O I - -� / / ' I OVERLAY DISTRICT: NOT IN A ZONE II 2 21 W to ! 0 173.62't/ / a "zi, LOT 2_2_ _ J / / / 1� FEMA FLOOD ZONE "C" AS SHOWN ON LIMITS OFEXCAVATION / I Z3 "?WALTER N/F / ZONE DISTRICT: PANEL #250015 0004 C S 4a '' " (IF REQUIRED) / % WALTER M. CROWELL / / q0 DATED JUNE 17, 1986 I Y„ �' SEE NOTES / o i ASSESSORS MAP 91 I �S 1:, r ! PARCEL 127 - { P. 5 AND 6. 3 \ / LOCUS PLAN: NO SCALE �, / / , B ''� �4 LOT 21 \`'` _ W � � / _ %<•. V N/F lx,�As-a�� �''t, C'/{ou>� r; •Ln •-./ +� ¢3✓ �.. / /y, /��.: 'Q ASSESSORS MAP 91 Cr / /�''•` PARCEL 26 C. Cb io O \ / o i $ DAVID ; ,: j / / i_ :• -.. .� JPR\Pe LOT 20A ► G� `Q1 �� No. 32112 PLAN VIEW SCALE: 1' = 20 FEET CB/DISK 0 10 20 40 FT. � �:- : •- FND GREgT ►iES1FRN RD FOUR SEASONS DRIVE �- REVISIONS NO. DATE DESCRIPTION GENERAL NOTES: 1. THIS PLAN IS FOR DESIGN AND CONSTRUCTION OF THE SEWAGE DISPOSAL FACILITY ONLY. 2. ALL CONSTRUCTION METHODS AND MATERIALS SHALL CONFORM TO MASS. D.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 WITH CLEAN WASHED SAND OR OTHER CLEAN GRANULAR SOILS CONFORMING TO THE FOLLOWING SIEVE ANALYSIS: 10% (MAX) BY WT. SHALL PASS No. 50 SIEVE <10 % OF No. 4 SIEVE SHALL PASS No. 100 <5 % OF No. 4 SIEVE SHALL PASS No. 200 UNIFORMITY COEFFICIENT O No. 4 SIEVE </=6.0 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 1-888-344-7233. 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 SYSTEM IS NOT DESIGNED FOR THE USE OF A GARBAGE GRINDER. A GARBAGE GRINDER IS NOT RECOMMENDED DUE TO RECOGNIZED ADVERSE IMPACTSTOTHE LEACHING I FACILITY. 9. EXITING INVERTS ARE TO BE CHECKED BY THE CONTRACTOR PRIOR TO CONSTRUCTION THE ENGINEER IS TO BE NOTIFIED OF ANY FIELD CHANGES THAT MAY BE REQUIRED. ;9 ESC GROUP 057 Main StTeet, (RT. 20) Unit E W. Yarmouth Massachusetts 02675 5087788919 PROJECT TITLE: DESIGN FOR SEWAGE DISPOSAL SYSTEM REPAIR SYSTEM "A" #347 HIGHBANK ROAD So. YARMOUTH MASSACHUSETTS PREPARED FOR: WALTER CROWELL 345 HIGHBANK ROAD SOUTH YARMOUTH MASSACHUSETTS 02664 (508) 394-4182 DATE: NOVEMBER 16, 2004 COMP. DESIGN: K. HEALY CHECK: D. CRISPIN DRAWN: P. HAGIST FIELD: D. GAZZOLO / J. MCCARTIN FILE NO. 8742-SEP.DWG DWG NO. 5583-01 JOB NO. 4-8742.001 SHEET 1 OF 1