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WEST YARMOUTH z m
DEEP OBSERVATION HOLE LOGS
DATE OF TESTS: DECEMBER 13, 2021
PERCOLATION RATE: OBSERVATION HOLE #2 PERCOLATION RATE < 2MINJINCH
WITNESSED BY: BRYAN J. WEINER, P.E.; CEC, SE# 2566
CAROL E, EASTMAN, B.S., R.S., ENVIRONMENTAL PROJECT ASSISTANT
DEEP OBSERVATION HOLE 1, EL. = 13.8±
DEPTH FROM
SOIL
SOIL
SOIL COLOR
SOIL
DATE OF READING
SURFACE
HORIZON
TEXTURE
(MUNSELL)
MOTTLING
OTHER
0"-60""
FILL
6.72
LL
KEY MAP
ON EMPTY TANK: (ASSUMING HIGH GROUNDWATER @ 6.72')
60" -103"
C
COARSE SAND
10 YR 514
-
LOOSE
ESTIMATED HIGH GROUNDWATER CALCULATION
(USGS/CCC METHOD)
INDEX WELL #:
- MIW-29
ZONE:
A
DATE OF READING
December 21
DEPTH OF GROUNDWATER:
7.89
GROUND WATER ELEVATION ADJUSTMENT:
- 1.5
ACTUAL GROUNDWATER LEVEL@ SITE EL. =
5.22
ESTIMATED (MAX.) HIGH GROUNDWATER LEVEL EL. =
6.72
SERIESFOURLLC
DEPTH FROM
SOIL
SOIL
SOIL COLOR
SOIL
B
SURFACE
HORIZON
TEXTURE
(MUNSELL)
MOTTLING
OTHER
1
FILL
LL
KEY MAP
ON EMPTY TANK: (ASSUMING HIGH GROUNDWATER @ 6.72')
47"- 102"
C
COARSE SAND
10 YR.5/4
-
LOOSE
fn
j
q SPLACED WATER VOLUME = ITL X 7NV X 0-6TD
.1,080 GPD 18 DOSES PER DAY = 135 GAL.
NE CONF CORP OF `
2 y
CONC WALKI
m
NO SCALE
VOLUME -= 57.3 C.F.
I
SEVENTHDAYADVENTS INC DO z
DESIGN CALC U LAT I O N S
BUOYANT FORCE UP= 57.3 C.F. X 62.4 LB/CF=3,577 LB
'�
APPROXIMATE LOCATION OF I
0.
EXISTING 60X -SHALL B-
PUMPED OF ITS ENTIRE CONTE
a
GROUNDWATER DOWNWARD FORCES:
0�
"
cj
- I'T5
g OO BENCHMARK -CORNER SLATE WALK
1
EXISTING LEACHING FIELD (
BY ALICENSED SEPTAGE_HAUL
@ EL. = 5.20 TANK WEIGHT = 31,000 LB
50'L z 30'W x 6"D LEACHING FIELD CAN LEACH:
VENT STACK FILTER (TYP:)
.a0+
-
NO CHANGE TO EXISTING DESIGN FLOW
I
�
(REFER TO PLANS DATED 11-78-19 5)
P
AND REMOVED OFF-SITE
a
_.ts
0
DESIGN FLOW:
A-
EXISTING LEACHING FIELD a
DISPOSAL IN ACCORDANCE WI
ELECTRICAL FRENCH PER
p
2 WASHING MACHINES AT 400GPD /MACHINE = SDO GPD - - -. -.
`
li.
TO BE ABANDONED
TIRE 5 AND BOH. REQUIREMENTCODE
a
!! REQUIREMENTS
1,000 S.F. OF OFFICE SPACE AT 75GPD / 1,000S.F. = 75 GPD`*
OTHER FOR EQUIVALENT SIZE TO EXISTING = 205 GPD
-- -_
�
r
o -
o
I
P ROPOSED 2,000 C.. L PU
CHAMBER TO B� CONNEC
D
PROPOSED CONTROL PANEL
AND ALARM COORDINATE
0
TOTAL = 1,080 GPD , z 1 D -BOX TO EXISTIN"EPTIC TANK FINAL LOCATION WITH
*FLOOR PLANS TO BE PROVIDED BY THE OWNER m., 1 RIMEL. =129± ! ;3/ CONSTRUCTION PRIORTO v a z X28 p5�
BUOYANCY CALCULATIONS NCLUDED WITH DESIGN FLOW OF FACILITY < 10,000 GPD , o 4 _- __J"4' PyC-EL -10,2 E E RUCTION START R
LfQU1DLEVEt EL. 0 I E
GROUNDWATER _ DESIGN FLOW OF FACILITY BELOW 10.000 GPD: m m j f
@ EL. = 5.22 2,000 GAL. PUMP CHAMBER - HOTL 90 UNITS AT 110 GPD EACH - = 9,900 GPD -
1,000 S.F. OF OFFICE SPACE AT 75GPD / 1,000S.F. = 75 GPD , o , ' - _ - - Qs
0" - 3" PAVEMENT ASSUNTIONS: .TOTAL FACILITY -
3" - 15" GRAVEL = 9,975 GPD o - _ L _ LOCUS
T NK IS EMPTY - N'
I
15"- 60" SAND AND LOAM ANK DIMENSIONS = 13"L X 7'W X 6.17'D EXISTING SEPTIC TANK CAPACITY: ASSESSORSMAP37 ` �%\ I PROPOSED SET/C TANK.
TANK WEIGHT = 31,000 LB (PER SHOREY PRECAST) 2,500 GAL. SEPTIC TANK BASED ON "SUB SURFACE SEWAGE PARCEL 145 E -'. _ 4'x 4' VAULT J RIM 43.2+ EXISTING. SEPTIC .YARMOUTH, MA
DEEP OBSERVATION HOLE 2. EL. = 13.7±
DEPTH FROM
SOIL
SOIL
SOIL COLOR
SOIL
B
SURFACE
HORIZON
TEXTURE
(MUNSELL)
MOTTLING
OTHER
0"-47"
FILL
LL
KEY MAP
ON EMPTY TANK: (ASSUMING HIGH GROUNDWATER @ 6.72')
47"- 102"
C
COARSE SAND
10 YR.5/4
-
LOOSE
WEIGHT OF RISERS AND COVERS NOT INCLUDED
DISPOSAL" PLAN BY DOWN CAPE ENGINEERING DATED 11-18-75 -
--
, - ----
WF
- - - - TOP
EIN4°PVC=11.E±.
=117+ x1,,,
TANK TO REMAIN
B
2" & 4"
12"
BUOYANCY FORCE
MANIFOLD
MANIFOLD PIPE - 4" DIA. SCH 40 PVC
TOP
OUT4"Pvc
LL
KEY MAP
ON EMPTY TANK: (ASSUMING HIGH GROUNDWATER @ 6.72')
REQUIRED PUMP CHAMBER CAPACITY:
�
(�}
L
fn
j
q SPLACED WATER VOLUME = ITL X 7NV X 0-6TD
.1,080 GPD 18 DOSES PER DAY = 135 GAL.
NE CONF CORP OF `
2 y
CONC WALKI
m
NO SCALE
VOLUME -= 57.3 C.F.
100% DESIGN FLOW EMERGENCY STORAGE = 1,080 GAL.
SEVENTHDAYADVENTS INC DO z
BUOYANT FORCE UP= 57.3 C.F. X 62.4 LB/CF=3,577 LB
USE 2,000 GAL. PUMP CHAMBER
-
13. {� 2
a
GROUNDWATER DOWNWARD FORCES:
REQUIRED LEACHING AREA:
6"ACTIVATED CARBON
cj
- I'T5
g OO BENCHMARK -CORNER SLATE WALK
1
I.
m
@ EL. = 5.20 TANK WEIGHT = 31,000 LB
50'L z 30'W x 6"D LEACHING FIELD CAN LEACH:
VENT STACK FILTER (TYP:)
.a0+
R C7
z t- Z Z EL= -13.52 (NAVD 1988 DATUM)
AREA REQUIRED = 1,080 10.74 = 1,460 S.F. 6" DIA SCH 40 PVC PIPE (TYP.) 2 , 13.3. ¢ Z 63 I R E F E R E N C E
'
0'- 3" PAVEMENT SOILS ON TOP OF TANK: - AREA PROVIDED = 50' x 30' = 1,500 S.F. > 1,460 S.F. 4" DIA. SCH 40 - ` / - U y ¢ g m
3" - 47" SAND AND LOAM Vt= (50 x 30) x 0.74 = 1,110 GPD PVC PIPE PERF. o ` to O w a U'a -OFFICE I ASSESSORS MAP 37, PARCEL 147.
COVER SOILS =-0.75' (AVG.) X 97 S.F. X 970 LB/CF = 7,508 LB Vt = 1,110 GPD >_ 1,080 GPD REQ. - VENT PIPE - O (L ~Q O - - - m
NOTES: LL
o _ O o. APPROXIMATE LOCATION F
TOTAL DOWNWARD FORCE = 31,000 + 7,508 = 38,508 LB INSTALL z. ¢ p
2" DIA SCH 40 PVC LATERAL WITH 5116" m = z S I. EXISTING WATER L 4E
1. GARBAGE GRINDERS ARE NOT ALLOWED WITH THIS DESIGN.. - NET DOWNWARD FORCE = 38,508.- 3,577 = 34,931 LB ONE 1 PERFORATION SPACED AT 2.5'FROM U.1= (REFER TO PLANS DATED 10-27-1 5)
( ) - 2,000 GALLON PUMP CHAMBER (H-20) g {- rn ¢
2.. ALL WATER FIXTURES TO BE WATER TESTED BY CONTRACTOR TO VERIFY ALL SEWER EXIT LOCATIONS PRIOR ONE (.1 ) - 4'x 4' VALVE VAULT (H-20) ENDS AND 5' ON CENTER a X m
TO INSTALLATION OF ANY SYSTEM COMPONENTS.
FACTOR OF SAFETY = 9.8 ONE (1 ) - 59L 30'W x 6"D PRESSURE DISTRIBUTION FIELD - (SEE DISCHARGE HOLE DETAIL)w
3: THE INSTALLERIS RESPONSIBLE FOR ASSURING THAT COMPONENTS OF THE. SEWAGE DISPOSAL SYSTEM ALL ASSOCIATED PIPING AND APPURTENANCES
(10 PERFORATIONS PER LATERAL) III .31.9' >.', xsG. I •36
ARE DESIGNED WITH SUFFICIENT STRENGTH TO SUSTAIN ALL LOADS TO BE IMPOSED ON THEM. ANY g a
COMPONENT OF THE SYSTEM SUBJECT TO VEHICULAR TRAFFIC SHALL COMPLY WITH A MINIMUM STANDARD
OF A.A.S.HT O. H-20 WHEEL LOADS. +X -
1 m
4. PRIOR TO SETTING ANY SEWAGE DISPOSAL SYSTEM COMPONENT, INSTALLER SHALL VERIFY EXISTING LAWNF SOIL REMOVAL w'
CONDITIONS, INCLUDING ELEVATIONS OF EXIT INVERTS AND REPORT ANY DISCREPANCIES E ANCIES TO THE DESIGN
CONTRACTOR SHALL RESTORE CURBING AND
ENGINEER. THE INSTALLER SHALL COORDINATE WITH THE .PLUMBING SUBCONTRACTOR TO VERIFY THE LIFT PUMP SPECIFICATIONS: S, 4" DIA SCH 40 PVC -•,� 3
LANDSCAPING CONDITION
COMPATIBILITY OF THE PROPOSED BUILDING SEWER EXIT ELEVATION WITH THE BUILDING'S EXISTING,l AD ,. r \ MANIFOLD PIPE n \SIGN / +^
,. PLUMBING PRIOR TO CONSTRUCTION. ANY CONFLICTS SHALL BE REPORTED TO THE DESIGN ENGINEER.
FOLLOWING COMPLETION OF WORK - rn ,�;,; •� m
5. ALL GRAVITY SEWER PIPE SHALL BE 4" DIA. SCH 40 PVC UNLESS OTHERWISE NOTED. THE MINIMUM SLOPE OF OBS NATION �.,• _ - - - - - --- -- --
CH I. PUMPS TO BE MYERS MSB 3SD t.0 HP_, SINGLE PHASE SUBMERSIBLE PUMPS OR ENGINEER A -
- - - - -- P .PUMPS TO BE RUN AT 120 GPM WITH 12' TDH. 9r9pIII IF gnw
6.. NO PART OF THIS DESIGN SHALL BE ALTERED PRIOR APPROVAL FROM THE DESIGN ENGINEER AND PROPOSED DOSE = 258 GALLONS. ti tiG cava cy orrro - orrw aiii-- _
THE AGENT N THE LOCAL BOARD OF HEALTH, All REQUESTS FOR CHANGES SHALL BE MADE IN WRITING 2. THE FORCE MAINS SHALL BE 4" DIA. SCHEDULE 40 PVC PRESSURE PIPE. POURED CONCRETE THRUST BLOCKS �Z90 n�Fij,
PRIOR TO CONSTRUCTION. ARE TO BE PROVIDED AT ALL FORCE MAIN ANGLE POINTS. PRECAST CONCRETE BLOCKS SHALL NOT BE USED IN �a'O s
G-
7. THE USE OF ALTERNATE MANUFACTURERS FOR SYSTEM COMPONENTS SHALL NOT BE APPROVED IF THE USE PLACE OF POURED CONCRETE THRUST BLOCKS. FORCE MAIN SHALL DRAIN BACK TO LIFT STATION AT MIN. SLOPE - �,,o9y`r'9 - s PAVED S('WACK c c c c c s PAVED SIDEWALK- c -
p OF THEIR EQUIPMENT REQUIRES CHANGES IN DESIGN.. - - - -0.5% ',oy�A VGC VGC
8. .THE INSTALLER SHALL ASCERTAIN THE LOCATION OF EXISTING UNDERGROUND UTILITIES PRIOR TO
EXCAVATION, AND SHALL PROTECT UTILITIES WITHIN THE WORK AREA DURING CONSTRUCTION. mos oo`4F, o- p u o n o n o D DR 0 T E 2 8 STATE H. I G H U1�AI �/�
9. ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC MARKING TAPE OR A COMPARABLE MEANS IN POWER, CONTROLS AND ALARMS: � ' APPROXIMATE LOCATION OF EXISTING SOLID DRAIN PIPE ^'
q0' i
ORDER TO LOCATE THEM ONCE BURIED. r oy�y29
1. A TIME RUN METER FOR THE EFFLUENT PUMPS SHALL BE INSTALLED AND HARD -WIRED INTOTHE MAIN ELECTRIC G, I
lFAPPLICABLE: PANEL o �'
10. FILL MATERIAL FOR SYSTEMS CONSTRUCTED IN FILL SHALL BE CLEAN GRANULAR
SAND, FREE OF ORGANIC 2. CONTRACTOR SHALL PROVIDE ALL REQUIRED ELECTRICAL EQUIPMENT, CONDUIT, AND WIRING FOR A COMPLETE. �O�oloysr
MATTER AND OTHER DELETERIOUS MATERIALS. THE SAND SHALL BE GRADED SUCH THAT NOT MORE THAN AND OPERATIONAL SYSTEM IN ACCORDANCE WITH THE NATIONAL ELECTRIC CODE. POWER AND ALARM WIRING F' i j
45% OF THE SAMPLE; BY WEIGHT, SHALL BE RETAINED ON THE #4 SIEVE. THE FILL SHALL NOT CONTAIN ANY SHALL BE PLACED IN CONDUIT AND RUN UNDERGROUND TO ALL EQUIPMENT. ALL MANUFACTURER SUPPLIED .
MATERIAL LARGER THAN 2 INCHES. THE MATERIAL THAT PASSES THE #4 SIEVE SHALL MEET THE FOLLOWING CONTROL AND ALARM PANELS SHALL BE PEDESTAL MOUNTED AS INDICATED ON PROPOSED SITE PLAN. ALL SDSAND LEACH FIELD -
GRADATION REQUIREMENTS:
NOTE:
ALL WATER FIXTURES TO BE WATER TESTED BY CONTRACTOR TO VERIFY ALL SEWER
EXIT LOCATIONS PRIOR TO INSTALLATION OF ANY SYSTEM COMPONENTS.
COASTAL
engineering co.
260 Cranberry Hwy, Orleans, MA 02653
508.255.5511 P 508.255.6700 F
SEAL
WORK SHALL BE PERFORMED BY LICENSED ELECTRICIANS. '��®�� _ Nm
0 JlIMM t•rtvvvCU 6T InC YUNIY NIRNVtAIa UKhK. LU {V' U - ZU 60 - W45091
SOIL REMOVAL NOTE. 2 DIA. SCH 40 PACED AT LATERAL WITH AN PERFORATION WEINER
A GRAVEL SPACED AT 2.5' FROM ENDS AND 5' ON CENTER
I�. (SEE DISCHARGE HOLE DETAIL) (10 PERFORATIONS PER LATERAL)
1 IDCh = 20 ft. 6"DIA SCH 40
REMOVE TOPSOIL D UNSUITABLE MATERIAL WITHIN 5' OF l
LEACHING FIELD gOWN TO "C" HORIZON AND REPLACE WITH 1.5" BITUMINOUS SURFACE 11J PVC VENT PIPE
SAND FILL IN ACCORDANCE WITH NOTE #10. COURSE CLASS 1, TYPE 11 • - . 4" DIA: SCH 40 PVC
2000 PSI CONCRETE
' 7r
CONSTRUCTION/INSPECTION NOTES: _, THRUSTBLOCK PERF. VENT IPE
2" BITUMINOUS BINDER ^ ^�' ^ 2 - - g
1. INSTALLER TO ARRANGE A PRECONSTRUCTION CONFERENCE WITH ENGINEER. 9" COVERS RAISED TO COURSE CLASS 1, TYPE 1-1/�� • 6". i.
v
2. INSTALLER TO NOTIFY ENGINEER 48 HOURS PRIOR TO START OF CONSTRUCTION. PAVEMENTIFINISH GRADE _
3, ENGINEER SHALL INSPECT WHEN THE REQUIRED EXCAVATION IS COMPLETE (LEACH FIELD BOTTOM 4" SCH 40 PVC SQUARE - - - - _ _ _ _ A /��
I - - -_- - � 8 �.. 6" ACTIVATED CARBON-
ro
INSPECTION). I -III- 1=III=III-III III III III -III III II /
�1,1R � ��� !. VENT STACK FILTER
HEAD CLEANOUT PLUG `- COMPACT SUBGRADE - - I
4, ENGINEER SHALL INSPECT WHEN THE COMPONENTS OF THE SYSTEM HAVE BEEN INSTALLED PRIOR TO MPT � UNDISTURBED SOIL � , SHLAST HOLE ON EACH OULD FACE UP. PROVIDE A�12"
BACKFILL T - VARIES 8.5" TO 12" PROCESSED -GRAVEL BASE COURSE ABOVE LEACHING FIELDa,
- (COMPACTED 95% DRY DENSITY AASHTO TEST METHOD C) BENDS - BOTTOM of PIPE LONG 6" DIA. HALF PIPE DEFLECTOR Q
5. INSTALLER TO PERFORM A WATERTIGHT TEST ON ALL CHAMBERS AND TANKS. TO BE WITNESSED BY OVER LAST HOLE. J{ }
ENGINEER AND PERFORMED AS FOLLOWS: 2" LAYER OF Ys" TO 2" DIA SCH 40 (MASS. SPEC. M1.03.1) - I g
- FILL TANKS ENGINEER
WATER AND PRESOAK FOR) HOURS. Y2" WASHED STONE LATERAL PIPE BITUMINOUS CO iL { i� p CTC. p /� \ (E p /) PAVEMENT FRONT VIEW LEACHING FIELD o
(CONTACT ENGINEER AT START OF PRESOAK) IV<.IRC G f�/'1V 9V) 9V I I } to
-ENGINEER TO MEASURE WATER LEVEL AFTER PRESOAK IS COMPLETE - NOT TO SCALE • e {{ _ V )
- ENGINEER TO RE -MEASURE WATER LEVEL 24HOURS AFTER PRESOAK DEBURRED 5116" DISCHARGE HOLES i �I;r 4
- ENGINEER TO RE -MEASURE WATER LEVEL 48 HOURS AFTER PRESOAK g (ALTERNATE SIDES 5 AND 7 O'CLOCK 0 ^
6. ENGINEER SHALL INSPECT WHEN THE PUMPS AND CONTROLS HAVE BEEN INSTALLED. POALTERNA (SEE PLAN FOR SPACING) o I..1.
7. INSTALLER TO PERFORM A CLEARWATER TEST PRIOR TO THE SYSTEM BEING PLACED INTO SERVICE IN ORDER - r , J
TO DEMONSTRATE-
OPERATION OF THE COMPLETE SYSTEM. TEST TO BE WITNESSED BY ENGINEER AND '-
-
YARMOUTH HEALTH DEPARTMENT. __ 4" DIA SCH 40 PVC PIPE BUTTERFLY PRECAST REINFORCED A 5' 1(TYPJ
B. ENGINEER SHALL INSPECT FINAL GRADING OVER SYSTEM UPON COMPLETION OF GRADING. s " - BOTTOM 12" TO BE VALVE CONCRETE VALVE VAULT 1
9. ALL AREAS DISTURBED BY SYSTEM INSTALL TO BE STABILIZED. WITH LOAM AND SEED AND/OR PAVEMENT. 6" LAYER OF /4 TO 1 - .SLOTTED (#20 SLOT} ('� i {I u 0 Z 7 �.Uj
10. CONTRACTOR TO TRENCH PATCH PAVE ASPHALT AT ALL LOCATIONS DISTURBED DURING CONSTRUCTION. Yz" WASHED STONE _ (SET AT SANDSTONE - - - SECTION A L F , ' ^
INTERFACE) •_ I �,." - - g0.. 2" DIA SCH 40 PVC - OBSERVATION PO I
GENERAL PUMP SPECIFICATIONS: I'.,
1. 4" DIA. SCH 40 PVC FORCE
MAIN SHALL BE SLOPED CONTINUOUSLY USL UPWARD TO THE SEPTIC TANK AT A MINIMUM _
SLOPE OF 0.5% WITH A MINIMUM OF 3.0 FEET OF COVER SOILS. ( I ( I I \ / �• . TO LEACHING FIELD
2. A SEPARATE CIRCUIT HIGH WATER ALARM SHALL BE INSTALLED WITH THE PUMP CONTROLS: -
o
PIPE
1/4 BENDS
SIZE
A
B
2" & 4"
12"
12"
MANIFOLD
MANIFOLD PIPE - 4" DIA. SCH 40 PVC
m
LL
LL
BorrOM OFPiPE FORCE MAIN
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WORK SHALL BE PERFORMED BY LICENSED ELECTRICIANS. '��®�� _ Nm
0 JlIMM t•rtvvvCU 6T InC YUNIY NIRNVtAIa UKhK. LU {V' U - ZU 60 - W45091
SOIL REMOVAL NOTE. 2 DIA. SCH 40 PACED AT LATERAL WITH AN PERFORATION WEINER
A GRAVEL SPACED AT 2.5' FROM ENDS AND 5' ON CENTER
I�. (SEE DISCHARGE HOLE DETAIL) (10 PERFORATIONS PER LATERAL)
1 IDCh = 20 ft. 6"DIA SCH 40
REMOVE TOPSOIL D UNSUITABLE MATERIAL WITHIN 5' OF l
LEACHING FIELD gOWN TO "C" HORIZON AND REPLACE WITH 1.5" BITUMINOUS SURFACE 11J PVC VENT PIPE
SAND FILL IN ACCORDANCE WITH NOTE #10. COURSE CLASS 1, TYPE 11 • - . 4" DIA: SCH 40 PVC
2000 PSI CONCRETE
' 7r
CONSTRUCTION/INSPECTION NOTES: _, THRUSTBLOCK PERF. VENT IPE
2" BITUMINOUS BINDER ^ ^�' ^ 2 - - g
1. INSTALLER TO ARRANGE A PRECONSTRUCTION CONFERENCE WITH ENGINEER. 9" COVERS RAISED TO COURSE CLASS 1, TYPE 1-1/�� • 6". i.
v
2. INSTALLER TO NOTIFY ENGINEER 48 HOURS PRIOR TO START OF CONSTRUCTION. PAVEMENTIFINISH GRADE _
3, ENGINEER SHALL INSPECT WHEN THE REQUIRED EXCAVATION IS COMPLETE (LEACH FIELD BOTTOM 4" SCH 40 PVC SQUARE - - - - _ _ _ _ A /��
I - - -_- - � 8 �.. 6" ACTIVATED CARBON-
ro
INSPECTION). I -III- 1=III=III-III III III III -III III II /
�1,1R � ��� !. VENT STACK FILTER
HEAD CLEANOUT PLUG `- COMPACT SUBGRADE - - I
4, ENGINEER SHALL INSPECT WHEN THE COMPONENTS OF THE SYSTEM HAVE BEEN INSTALLED PRIOR TO MPT � UNDISTURBED SOIL � , SHLAST HOLE ON EACH OULD FACE UP. PROVIDE A�12"
BACKFILL T - VARIES 8.5" TO 12" PROCESSED -GRAVEL BASE COURSE ABOVE LEACHING FIELDa,
- (COMPACTED 95% DRY DENSITY AASHTO TEST METHOD C) BENDS - BOTTOM of PIPE LONG 6" DIA. HALF PIPE DEFLECTOR Q
5. INSTALLER TO PERFORM A WATERTIGHT TEST ON ALL CHAMBERS AND TANKS. TO BE WITNESSED BY OVER LAST HOLE. J{ }
ENGINEER AND PERFORMED AS FOLLOWS: 2" LAYER OF Ys" TO 2" DIA SCH 40 (MASS. SPEC. M1.03.1) - I g
- FILL TANKS ENGINEER
WATER AND PRESOAK FOR) HOURS. Y2" WASHED STONE LATERAL PIPE BITUMINOUS CO iL { i� p CTC. p /� \ (E p /) PAVEMENT FRONT VIEW LEACHING FIELD o
(CONTACT ENGINEER AT START OF PRESOAK) IV<.IRC G f�/'1V 9V) 9V I I } to
-ENGINEER TO MEASURE WATER LEVEL AFTER PRESOAK IS COMPLETE - NOT TO SCALE • e {{ _ V )
- ENGINEER TO RE -MEASURE WATER LEVEL 24HOURS AFTER PRESOAK DEBURRED 5116" DISCHARGE HOLES i �I;r 4
- ENGINEER TO RE -MEASURE WATER LEVEL 48 HOURS AFTER PRESOAK g (ALTERNATE SIDES 5 AND 7 O'CLOCK 0 ^
6. ENGINEER SHALL INSPECT WHEN THE PUMPS AND CONTROLS HAVE BEEN INSTALLED. POALTERNA (SEE PLAN FOR SPACING) o I..1.
7. INSTALLER TO PERFORM A CLEARWATER TEST PRIOR TO THE SYSTEM BEING PLACED INTO SERVICE IN ORDER - r , J
TO DEMONSTRATE-
OPERATION OF THE COMPLETE SYSTEM. TEST TO BE WITNESSED BY ENGINEER AND '-
-
YARMOUTH HEALTH DEPARTMENT. __ 4" DIA SCH 40 PVC PIPE BUTTERFLY PRECAST REINFORCED A 5' 1(TYPJ
B. ENGINEER SHALL INSPECT FINAL GRADING OVER SYSTEM UPON COMPLETION OF GRADING. s " - BOTTOM 12" TO BE VALVE CONCRETE VALVE VAULT 1
9. ALL AREAS DISTURBED BY SYSTEM INSTALL TO BE STABILIZED. WITH LOAM AND SEED AND/OR PAVEMENT. 6" LAYER OF /4 TO 1 - .SLOTTED (#20 SLOT} ('� i {I u 0 Z 7 �.Uj
10. CONTRACTOR TO TRENCH PATCH PAVE ASPHALT AT ALL LOCATIONS DISTURBED DURING CONSTRUCTION. Yz" WASHED STONE _ (SET AT SANDSTONE - - - SECTION A L F , ' ^
INTERFACE) •_ I �,." - - g0.. 2" DIA SCH 40 PVC - OBSERVATION PO I
GENERAL PUMP SPECIFICATIONS: I'.,
1. 4" DIA. SCH 40 PVC FORCE
MAIN SHALL BE SLOPED CONTINUOUSLY USL UPWARD TO THE SEPTIC TANK AT A MINIMUM _
SLOPE OF 0.5% WITH A MINIMUM OF 3.0 FEET OF COVER SOILS. ( I ( I I \ / �• . TO LEACHING FIELD
2. A SEPARATE CIRCUIT HIGH WATER ALARM SHALL BE INSTALLED WITH THE PUMP CONTROLS: -
_
o
PIPE
1/4 BENDS
SIZE
A
B
2" & 4"
12"
12"
_
o
LATERAL _ 4".DIA PVC
N>-
N
MANIFOLD
MANIFOLD PIPE - 4" DIA. SCH 40 PVC
LL
LL
BorrOM OFPiPE FORCE MAIN
T
(�}
SECTION VIEW SIDE VIEW
fn
j
3. EACH PUMP SHALL BE ON A SEPARATE CIRCUIT. I p I ` p (' p i W
4. APUMPRAIL PUMP
INSTAL OUT SYSTEM
HARDWARE,INC INCLUDING
ED RAILS,
REALL PUMA OBSERVATION PORT 4"FORCE ..L• " - DISCHARGE HOLE P("� Qom+ 'U)
5. AN ELECT ICALP PERMIT
WILL BE REQUIRED
IREDFIRPUM I SHALL TI STAINLESS STEEL. V /'1 IV THRUST BLOC PRESSURE DISTRIBUTION FIELD
6. AN ELECTRICAL PERMIT WILL BE REQUIRED FOR PUMP INSTALLATION. - - MAIN " • ` ' ' Q
7. STAINLESS STEEL FLOAT BRACKET SHALL BE MOUNTED ON THE RISER SO THAT FLOATS MAY BE ADJUSTED NOT TO SCALE (TOP VIEW) SUMP4 GRAVEL NOT TO SCALE NOT TO SCALE < 0 W
WITHOUT ENTERING PUMP CHAMBER.
8. PUMP INSTALLER TO VERIFY SITE POWER REQUIREMENTS PRIOR TO ORDERING PUMPS /�
9. CONTROL PANELS TO BE MOUNTED ON BUILDING IN A LOCATION SHOWN ON PLAN. VISUAL ALARM SHALL BE 2000GALLON (H-20) 6" ACTIVATED rn U) f)f�
INSTALLED ABOVE PANEL IN A LOCATION VISIBLE FROM ROAD. - SEPTIC TANK - CARBON VENT V J- O V
10. CONTRACTOR TO SIZE ALL ELECTRIC CONDUIT AND WIRE 1N ACCORDANCE WITH THE ELECTRICAL CODE, AND /SANITARY TEES - - - BUTTERFLY VALVE - STACK FILTER `
2" DIA SCH 40 PVC LATERAL(SLOPED AT O.5%) Yarmouth Health Department - -
ARRANGE ENGINEER AND TOWN INSPECTIONS 24" HEAVY UTY CAST TWO (2)- 30" HEAVY DUTY CAST 30" HEAVY DUTY CAST IRON FRAME AND - W f 5116" PERFORATIONS AT F SPACING O.C. - -END CLEANOUT p
IRON F IME AND IRON FRAMES AND SEAL -TITS SEAL -TITS (WATER TIGHT} COVER TO FINISH - 2"LAYER OFYs" TOY2" SEE DETAIL - z
SEAL-TITE TER TIGHT) GRADE USE RISER AS NEED (SEE DISCHARGE HOLE DETAIL} - DOUBLE WASHED STONE ( ) - "PROVED
a. "<
( T). (WATER TIGHT) GONERS TO FINISH (TYP-) MIRAF1140N FILTER FABRIC. .OBSERVATION PORT o I .1=::•GL�CYIED0 (�
FINISH GRADE - - COVER TO F NISH GRADE GRADE USE RISERAS NEED (SEE DETAIL) m u�
OR APPROVED EQUAL '
I �.,11I III -1 FINISH GRADE =VARIES 14.5 TO 13.9±
- - 9" MINIMUM COVER ame Date
LIFT OUT RAIL SYSTEM APR 0 72022
l TOP TANK EL.= 12.25± ; 00
Ir - TRUE UNION BALL VE KNOCKOUT'S TO BE _ 12" MINIMUM COVER - N W
' • • FLEXIBLE BUTYL GROUTED WITH _ T MIN HEALTH DEFT LU
_ __ i •
RUBBER SEALANT OK NAL- _
LIQUID LEVEL + • • • Y4"TO 1 Yz" DOUBLE WASHED STONE 6TO " SLOPE A PVC VENT HEADER
_ _ _ _ _ HYDRAULIC. CEMENT I COVER
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4--- - 1 - -
1,080 GAL. EMERGENCY STORAGE z - - - - - - - - - - lilt- III- -
11
EXISTING 79' 10" PROVIDED 48" @ ELEV. = 10.74' } _ .. g -I 11-1 I I-1 11=1 I-1 I-1 I I i -1 I-1 1- -1 I -1 I I -III -1 I-1 I I -III -1 11-1 -1 I I- --1 6" EFFECTIVE co S
DEPTH T N
¢ SEP'T'IC TANK 11.04 10.8 ALARM "ON" 26" _ I 18" � I • 4" DIA SCH 40 12.50 � CLEAN GRANULAR SAND SUBGRADE 72.25 DEPTH
v V.LF T @ ELEV. = 8.74' 10.59 0 ESTIMATED HIGH
- .• ZABEL FILTER A300 8" x 26" • e BA26" @ELEV. = SP ON"" BLEEDER HOLE ? ,�-}'•. • PVC MANIFOLD 11.75 GROUNDWATER = 5.03' SCALE
TO REMAIN 11,10
N 2,500 GALLON SEPTIC INVERTED TEE 1.5 C.F. POURED n r DRAWING FILE
TANK WISANITARY o I• WITH SUPPORT TO BE PRIMARY/LEAD PUMP "ON" _ CONCRETE THRUST 50' L x 30' W x 6" - -ESTIMATED HIGH GROUNDWATER C19815-CIV:CIW
TEES o INSTALLED IN EXISTING24"@ ELEV. = 8.5T 3"x 4" FITTING -=1 I I I 1-1 111- I
ai `----> --J SEPTIC TANK I 1 1-1 1 I-1 i I-11 I-1 11= BLOCK (TYP.) PRESSURE DOSED LEACHING FIELD ADJUSTED EL. = 6.72' (DOH #1) 6" DIA COVER RAISED
ZABEL o .. OFF" 18" @ELEV.=8.09'
SUPPORTAPE 0 FLOOR EL. = 6.59' PUMPS MUST ALTERNATE 2 ALTERNATING (SIDE VIEW)" FINISH GRADE03w`I4 2022
TO F DATE
U - o DUPLEX PUMPS L.
i PIPES SHALL BE SECURELY - DRAWN BY WGM
• .. •- = - - •. COMPACTED6 E - .•
2" SCH 40 PVC SQUARE 6" DIA
w WITH 6" LAYER F I _ I I I 1-1 1- I _ I I-1 1=1 11- I i �� SUPPORTED IN VAULT HEAD CLEANOUT PLUG ACCESS BOX CHECKED BY
CRUSHED ST E 61 -III I i i-1 I-1 I-1 I -I i I-11-1 I-1 I I_I I -III- SUBGRADE ACME-SHOREY: VAULT NOTE:
ACME-SHOREY MODEL: PG202LP MPT BJW
LOPE BACK FORCE MAIN AN THE INFORMATION HEREON HAS BEEN PREPARED ACCORDING TO THE
- BorroM TA 9. CHAMBER 4' x 4' c`
CUSTOM TOPS FOR X 2 MANIFOLD BACK TOPUMP - -- REQUIREMENTS OF TITLE S OF THE STATE ENVIRONMENTAL CODE FOR
ELEV. = 6 9' CHAMBER AT 0.5% (MIN.) (H-20) SUBSURFACE DISPOSAL OF SANITARY SEWAGE AND LOCAL BOARD OF 2" SCH 40 PVC LONG.
CONTRACTOR SHALL FULLY COORDINATE THE DUPLEX PUMP RADIUS SWEEP
HEALTH REGULATIONS. Q
t3 9' AND RAIL SYSTEM LAYOUT OF PUMPS AND RAILING WITH THE 3' 8p• c
_ d
x' PUMP CHAMBER PRECAST MANUFACTURER. PUMPS TO BE
m
rn i CENTERED ON MANHOLE OPENINGS. CONTRACTOR TO SLOPE BACK FORCE MAIN AND
t? - CONFIRM 30" SIZE SHOWN PROPERLY FITS PUMP AND RAIL MANIFOLD BACK TO PUMP
o - EQUIPMENT ASSEMBLY AND MAINTAINS H-20 LOADING - CHAMBER AT 0.5% (MIN-)
rn
.PUMP CHAMBER NOTE: .SCHEMATIC FLOW PROFILE
1 CONTRACTOR SHALL APPLY CONSEAL CS -55 WATERBORNE
ACRYLIC
ELEVATION 7.5 BASED
SIDES AND BOTTOM OF PUMPR BELOW CHAMBER) - - -
m I ALLINSTALLATIONS MUST CONFORM TO THE
MINIMUM REQUIREMENTS OF TITLE S
DOUBLE WASHED - - W
STONE c U2,401
END CLEANOUT (EACH LATERAL) W
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REFERENCE:
ASSESSORS MAP 37, PARCEL 147-1
NOTES:
1. THIS PLAN IS REFERENCED HORIZONTALLY TO THE
MASSACHUSETTS STATE PLANE COORDINATE SYSTEM
NORTH AMERICAN DATUM OF 1983, MAINLAND ZONE
(NAD 83 (2011) (MYCS2) EPOCH 2010.00) BY RTK
OBSERVATIONS ON 12-16-2021 BASED UPON THE
HEXAGON SMARTNET RTK NETWORK.
2. THE LIMITED SITE FEATURES SHOWN ARE THE RESULT
OF AN INSTRUMENT SURVEY PERFORMED ON 12-16-2021
& 02-08-2022 AND HAS BEEN LIMITED TO THE AREAS
CONTAINED IN OUR CONTRACT WITH THE CLIENT.
3. EXISTING UTILITIES, UNDERGROUND AND OVERHEAD,
MAY EXIST IN ADDITION TO THE UTILITY INFORMATION
SHOWN ON THESE PLANS. THIS PLAN MUST NOT BE
USED TO LOCATE UNDERGROUND UTILITIES. CALL DIG
SAFE AT 811 PRIOR TO STARTING ANY EXCAVATION.
4. THE SUBJECT PREMISES AS SHOWN LIES WITHIN FLOOD
ZONE X, ZONE X AREAS OF 0.2% ANNUAL CHANCE
FLOOD; AREAS OF I% ANNUAL CHANCE FLOOD WITH
AVERAGE DEPTHS OF LESS THAN 1 FOOT OR WITH SEAL
DRAINAGE AREAS LESS THAN 1 SQUARE MILE; AND
AREAS PROTECTED BY LEVEES FROM 1% ANNUAL
AS INDICATED ON
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CHANCE FLOOD, AND ZONE At k=1 41
FLOOD INSURANCE RATE MAP NUMBER 25001CO569J
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5. THE PURPOSE OF THIS PLAN IS TO PROVIDE
NDITIONS PLAN
PROPOSED SITE IMPROVEMENTS PLAN
SUFFICIENT INFORMATION TO THE TOWN OF
1
0
2
REQUIREMENTS FOR THE SUBMISSION OF SEPTIC
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FLOOD INSURANCE RATE MAP NUMBER 25001CO569J
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A
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SITE SPECIFIC FLOODPLAIN BOUNDARIES MAY VARY
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DUE TO DIFFERENT INTERPRETATIONS OF THESE
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----20---
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BOUNDARIES. USERS ARE ADVISED TO VERIFY
5
LOCATION OF THESE BOUNDARIES WITH THE
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DESIGNATED COMMUNITY FLOODPLAIN MANAGERS
I
x23.5
SPOT ELEV.
Q
O
AND/OR FEMA PRIOR TO SITING ANY PROPOSED Q
STRUCTURES.
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U
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5. THE PURPOSE OF THIS PLAN IS TO PROVIDE
NDITIONS PLAN
PROPOSED SITE IMPROVEMENTS PLAN
SUFFICIENT INFORMATION TO THE TOWN OF
1
YARMOUTH BOARD OF HEALTH TO MEET THEIR
2
REQUIREMENTS FOR THE SUBMISSION OF SEPTIC
}
DESIGN PLANS AND IS NOT INTENDED TO REPRESENT A
_j
FULL BOUNDARY RETRACEMENT SURVEY OF THE
Q
ENTIRE PROPERTY.
O
& THE EDGE OF WETLANDS AND ASSOCIATED BUFFERS
BY
WERE DETERMINED BY AN ON GROUND SURVEY
COASTAL ENGINEERING COMPANY,INC, ON 02-08-2022.
(n
n
7. VERTICAL DATUM IN U.S. SURVEY FEET REFERENCED
J
Z
Q
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TO THE NORTH AMERICAN VERTICAL DATUM OF 1988
L:.�
(NAVD88) BASED UPON THE HEXAGON SMARTNET RTK
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NETWORK.
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DRAWING FILE
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03-44-28�2-
--ate— OVERHEAD WIRES DATE
-) GUY WIRE
DRAWN BY
WGM
12"TYP. X12"TYP. LIMITED EXISTING CO
UNDISTURBED SUB GRADE 40 20 0 40 120
20 10 0 1 20 60
UTILITY TRENCH
NOT TO SCALE
1 inch = 20 ft.
1 inch = 40 ft.
DECIDUOUS TREE c
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CONIFER TREE
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20 10 0 1 20 60
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DECIDUOUS TREE c
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