HomeMy WebLinkAboutEngineered Plan - Rev. 20186
AL
A&
.�
/ f
20' SIDE YARD SETBACK
i
9L,w/ WE-TLAND-AREA \`I% -
10,300± S.F.
0.2 ACRES j
I I
PREVIOUS AREA
.�, BELOW FLOOD ZONE
19,990± S.F. �� f'
LOT AREA
0.5 ACRES � � /
86,830± S.F.
.1& � / � � / 2.0 ACRES
CURRENT AREA
BELOW FLOOD ZONE
46,000± S.F.
1.1 ACRES
-41
PROVIDE SILT FENCE TO X VOIO3 ACTIVITY IN FLOOD ZONE--,, x 30.
q /
PROVIDE NEW WATER & z
i
ELECTRIC SERVICE TO
0
ACCESSORY BUILDING1 '�
' --• � z WATER � a
/ \ / \ o
� EMOVE �� METER PIT � o
EXISTING UTILITY _
M O
ACCESSORY W POLE
BUILDING 0 WW \ o
$
Y r , CN
\ C I TO REMAIN 2
j o EXISTING OUTDOOR #4 ,`� PORCH 24
\g. FLAGPOLE #2 SHOWER 8' w ;�,
\ � w � PROPOSED
r % \
GARAGE PROPOSED SA\� N
STING
0 L = 16.8
o�o-
Z I
UTI IT
LU
YDWELLING
N � PO ELLj SEPTISEPTIC wEL=1 3REMOVE To.F.
EXIpw 166 35'SYSTEM PUMP s,
w _
/ I / CHAMBER
o
25' $ a c= a
i R 4 PROPOSED _
DRIVEWAY341
20' ST2 I
ST1 O
70 15.5
/ -LE 70 DRAIN o �, - 16
SW m 15x3 c BORIN
f--
BARRIER WALL
20' SID YARD SETBACK
\ aN
60 \
W
BARRIER WALL
/ 47'
* COTTAGE FNDN. VARIES
PIPE INV. = 13.7 TO P.C.
PROPOSED DWELLING
TOP OF FOUNDATION
EL = 17.3
FINISH GRADE _
#1 14.60
13.50
6" OF 3/4" TOL
1-1/2• DIA STONE
BELOW TANK
NOTE:
ALL PIPE TO BE 4" DIA.
PVC TIGHT JOINT WITH
MINIMUM SLOPE OF 1/8"
PER FT.
i
20 10 0
PROVIDE ZABEL FILTER
ON TANK OUTLET
MANHOLE AND COVER -MIN 24" DIA.
RAISE COVERS TO WITHIN 6"
OF FINISH GRADE
COD
o
�-
1. ELEVATIONS REFER TO NAVD88. REFER TO THE BENCHMARK ESTABLISHED AT THE NORTHEAST LOT CORNER MONUMENT WHERE SHOWN.
mottling
CONTACT OUTERMOST LAND SURVEY, INC. OR CAPE COD ENGINEERING, INC. FOR ADDITIONAL ELEVATION INFORMATION.
14.5-13.4
2. PLAN REFERENCE: TOPOGRAPHIC PLOT PLAN DATED OCTOBER 27, 2015, OUTERMOST LAND SURVEY, INC. - PH. 508-255-0477
A
3. ALL SEPTIC SYSTEM CONSTRUCTION MATERIALS AND PROCEDURES SHALL CONFORM TO THE STATE SANITARY CODE, TITLE 5 AND TOWN
l OYR 3/3
OF YARMOUTH HEALTH DEPT. APPROVAL FOR THE DESIGN.
4. INSTALLATION CONTRACTOR SHALL VERIFY THE NEW BUH,DIN� SEWER PIPE AND THE EXISTING COTTAGE PIPING. CONNECT ONLY TO
13-36
CAST IRON OR NEW PVC PIPE.
5. WATER SERVICE SHALL BE RENOVATED TO BE 10 FT. CLEAR OF SEPTIC SYSTEM COMPONENTS AND AVOID PIPE CROSSINGS, THE LOCATION
/
SHOWN ON THE PLAN IS SUGGESTED.
LOCUS
6. THE EXISTING REMAINING SEPTIC SYSTEM COMPONENTS: TANK 41ND LEACH TRENCH SERVING THE EXISTING ACCESSORY BUILDING
U-1
i
.
�o
7. SOIL TESTS INDICATE THAT A 5 FT. PERIMETER OVER -EXCAVATION IS NECESSARY TO A MINIMUM DEPTH OF 40 IN. TO REMOVE THE TOP
SOIL LAYERS AND ALL TRACES OF THE "B" HORIZON. ADVISED TO REMOVE SLIGHTLY BELOW THE RECORDED DEPTH.
8. CONTACT CAPE COD ENGINEERING, INC. PRIOR TO EXCAVATION SCHEDULE ANY REQUIRED SOIL VERIFICATION INSPECTION IF
o
/ �
SERVEZHE-TDPPSOIL-LAYERS FORUSE-ON-'HE-REGRADED_AREAS.REPLACE-THE.STDEKPILED.SUBSOH,-
OUB 6N
("B" HORIZON) WITH ROUGH GRADING PRIOR TO TOPSOIL APPLICATION AND LAWN SEEDING. LANDSCAPE IMPROVEMENTS SHALL BE AS
DIRECTED BY THE OWNER.
10. FULLY COMPACT ANY PIPE BED TRENCHES.
YARMOUTH, MA
11. THE INSTALLER SHALL CONTACT ENGINEER AT TIME OF SYSTEM COMPLETION PRIOR TO EARTH COVERING FOR SYSTEM CERTIFICATION
AS REQUIRED.
KEY MAP
12. CONTACT ENGINEER IF ANY QUESTIONS OR DOUBTS ARISE REG ING SOIL CONDITIONS ENCOUNTERED OR IF OTHER ISSUES ARISE
NO SCALE
DURING CONSTRUCTION.
13. NO KNOWN WELLS EXIST WITHIN 200 FT. OF THE PROPOSED SEPTIC SYSTEM COMPONENTS. THE SITE IS SERVED BY TOWN WATER.
DESIgN DATA
HYDRAULIC LOADING
PROPOSED DWELLING - BEDROOMS X 110 GPD/BR = 550.0 GPD
ACCESSORY BUILDING -1 BEDROOM X 110 GPD =110 GPD - REQUIRES A PUMP
T TAL = 660 GPD
SEPTIC TANK DESIGN
660 X 200% =1320.0 GPD
MAIN DWELLING AND ACCESSORY BUILDING - PROVIDE A 1,500 GAL. SEPTIC TANK - ST 1500 -H-10
PUMP CHAMBER -1000 GAL. CAP. (ST -1000 - H-10) FITTED FOR SIMPLEX PUMPING. ( SEE PUMP SPECIFICATION
SAS (DESIGN
PERCOLATION RATE - LESS 5 MPI
LONG TERM HYDRAULI� LOAD RATE = 0.74 GAL/S.F.
SIDEWALL AREA: NOT APPLICABLE WITH BED -TYPE SAS
CULTEC CERT. EFFECTIVE AREA FOR GENERAL USE IN MASSACHUSETTS FROM CERTIFICATION TABLE 3, BED CONFIGURATION
= 5.0 S.F. PER L4N FT. OF CONTACTOR 100 UNIT
10,300± S.F.
0.2 ACRES j
I I
PREVIOUS AREA
.�, BELOW FLOOD ZONE
19,990± S.F. �� f'
LOT AREA
0.5 ACRES � � /
86,830± S.F.
.1& � / � � / 2.0 ACRES
CURRENT AREA
BELOW FLOOD ZONE
46,000± S.F.
1.1 ACRES
-41
PROVIDE SILT FENCE TO X VOIO3 ACTIVITY IN FLOOD ZONE--,, x 30.
q /
PROVIDE NEW WATER & z
i
ELECTRIC SERVICE TO
0
ACCESSORY BUILDING1 '�
' --• � z WATER � a
/ \ / \ o
� EMOVE �� METER PIT � o
EXISTING UTILITY _
M O
ACCESSORY W POLE
BUILDING 0 WW \ o
$
Y r , CN
\ C I TO REMAIN 2
j o EXISTING OUTDOOR #4 ,`� PORCH 24
\g. FLAGPOLE #2 SHOWER 8' w ;�,
\ � w � PROPOSED
r % \
GARAGE PROPOSED SA\� N
STING
0 L = 16.8
o�o-
Z I
UTI IT
LU
YDWELLING
N � PO ELLj SEPTISEPTIC wEL=1 3REMOVE To.F.
EXIpw 166 35'SYSTEM PUMP s,
w _
/ I / CHAMBER
o
25' $ a c= a
i R 4 PROPOSED _
DRIVEWAY341
20' ST2 I
ST1 O
70 15.5
/ -LE 70 DRAIN o �, - 16
SW m 15x3 c BORIN
f--
BARRIER WALL
20' SID YARD SETBACK
\ aN
60 \
W
BARRIER WALL
/ 47'
* COTTAGE FNDN. VARIES
PIPE INV. = 13.7 TO P.C.
PROPOSED DWELLING
TOP OF FOUNDATION
EL = 17.3
FINISH GRADE _
#1 14.60
13.50
6" OF 3/4" TOL
1-1/2• DIA STONE
BELOW TANK
NOTE:
ALL PIPE TO BE 4" DIA.
PVC TIGHT JOINT WITH
MINIMUM SLOPE OF 1/8"
PER FT.
i
20 10 0
PROVIDE ZABEL FILTER
ON TANK OUTLET
MANHOLE AND COVER -MIN 24" DIA.
RAISE COVERS TO WITHIN 6"
OF FINISH GRADE
MAKKItK WALL IVU I t:/
PLAN 2RFOT. DFROMFSASHP PERIMETER - T.O.W. EL.=E WALL A181 OF
PROVIDE CONTINUOUS 40 MIL THICK VINYL LINER
20 60 ON INSIDE OF WALL. TOP OF VINYL EL.=17.1
BOTTOM OF LINER EL.=14.0
1'
I inch = 20 ft.
I'
REGULATION 3.7 ' A VARIANCE IS REQUESTED FROM THE REGULATION 3.7 REQUIRING THAT THE TOP OF A
DWELLING FOUNDATION BE A MIN. OF 2 FT. ABOVE THE HIGHEST STREET PAVEMENT GRADE FRONTING THE LOT;
TOP OF PROPOSEb, FOUNDATION ELEV. = 17.3; HIGHEST STREET GRADE = 16.2; 0.9 FT. RELIEF REQUESTED
�l
i
I�
1'
FINISH GRADE = 18.1f FINISH GRADE = 18.1f
/CHECK VALVE
�5_ MINIMUM D -BOX
/GATE VALVE Nv INSIDE DIMENSIONS
12•x12•
2, DIA 4"
T y 13.25 ALARM N b INLET TEE
_ GAS PUMP ON
ALL PIPES
BAFFLE ^ 16.92
16.75
PUMP OFF -
=>
ii
D-31
COMPACTED BASE D -BOX
6' LAYER OF
SEPTIC TANK PUMP CHAMBER CR SHED STONE LINE(S) EXITING D -BOX MUST
REMAIN EL FOR 2'-0*
PRECAST REINFORCED CONCRETE SEE SPECIFICATIONS BEFORE PIT1CHING DOWN TO
CAPACITY: 1500 GALLONS LEACHING FACILITY
(H-20)
SEPTI C SYSTEM PROFILE
NO SCALE
�I
i
1
I
PROVIDE VENT ON ONE UNIT
4"0 CAPPED OBSERVATION PORT
(3" COVER)
S.A.S. BOTTOM 12"
EL= 16.1
60•
S.A.S. PROFILE VIEW
NO SCALE
CULTEC 410 FILTER CLOTH
TO FORM FIT OVER UNITS
W�lll EL=16.1
36" 6 36" s 36•
10' _41)
S.A.S. END VIEW MAX G.W.
NO SCALE EL=11.1
(CULTEC CONTACTOR UNITS)
W/ CULTEC #410 GEOTEXTILE
BENCHMARK:
TOP OF CONCRETE BOUND
ELEV. = 16.60 NAVD88 I
0
GROUND SURFACE EL 181
0 0 0 7
CONTINUOUS_ -
40 MIL
VINYL LINER
REINFORCED
CONCRETE
WALL
N
a WATER
VALVE
W
Lij)25
L
Z
V
GENERAL NOTES
COD
o
�-
MAKKItK WALL IVU I t:/
PLAN 2RFOT. DFROMFSASHP PERIMETER - T.O.W. EL.=E WALL A181 OF
PROVIDE CONTINUOUS 40 MIL THICK VINYL LINER
20 60 ON INSIDE OF WALL. TOP OF VINYL EL.=17.1
BOTTOM OF LINER EL.=14.0
1'
I inch = 20 ft.
I'
REGULATION 3.7 ' A VARIANCE IS REQUESTED FROM THE REGULATION 3.7 REQUIRING THAT THE TOP OF A
DWELLING FOUNDATION BE A MIN. OF 2 FT. ABOVE THE HIGHEST STREET PAVEMENT GRADE FRONTING THE LOT;
TOP OF PROPOSEb, FOUNDATION ELEV. = 17.3; HIGHEST STREET GRADE = 16.2; 0.9 FT. RELIEF REQUESTED
�l
i
I�
1'
FINISH GRADE = 18.1f FINISH GRADE = 18.1f
/CHECK VALVE
�5_ MINIMUM D -BOX
/GATE VALVE Nv INSIDE DIMENSIONS
12•x12•
2, DIA 4"
T y 13.25 ALARM N b INLET TEE
_ GAS PUMP ON
ALL PIPES
BAFFLE ^ 16.92
16.75
PUMP OFF -
=>
ii
D-31
COMPACTED BASE D -BOX
6' LAYER OF
SEPTIC TANK PUMP CHAMBER CR SHED STONE LINE(S) EXITING D -BOX MUST
REMAIN EL FOR 2'-0*
PRECAST REINFORCED CONCRETE SEE SPECIFICATIONS BEFORE PIT1CHING DOWN TO
CAPACITY: 1500 GALLONS LEACHING FACILITY
(H-20)
SEPTI C SYSTEM PROFILE
NO SCALE
�I
i
1
I
PROVIDE VENT ON ONE UNIT
4"0 CAPPED OBSERVATION PORT
(3" COVER)
S.A.S. BOTTOM 12"
EL= 16.1
60•
S.A.S. PROFILE VIEW
NO SCALE
CULTEC 410 FILTER CLOTH
TO FORM FIT OVER UNITS
W�lll EL=16.1
36" 6 36" s 36•
10' _41)
S.A.S. END VIEW MAX G.W.
NO SCALE EL=11.1
(CULTEC CONTACTOR UNITS)
W/ CULTEC #410 GEOTEXTILE
BENCHMARK:
TOP OF CONCRETE BOUND
ELEV. = 16.60 NAVD88 I
0
GROUND SURFACE EL 181
0 0 0 7
CONTINUOUS_ -
40 MIL
VINYL LINER
REINFORCED
CONCRETE
WALL
N
a WATER
VALVE
W
Lij)25
L
Z
V
GENERAL NOTES
COD
horizon
CNPE
1. ELEVATIONS REFER TO NAVD88. REFER TO THE BENCHMARK ESTABLISHED AT THE NORTHEAST LOT CORNER MONUMENT WHERE SHOWN.
mottling
CONTACT OUTERMOST LAND SURVEY, INC. OR CAPE COD ENGINEERING, INC. FOR ADDITIONAL ELEVATION INFORMATION.
14.5-13.4
2. PLAN REFERENCE: TOPOGRAPHIC PLOT PLAN DATED OCTOBER 27, 2015, OUTERMOST LAND SURVEY, INC. - PH. 508-255-0477
A
3. ALL SEPTIC SYSTEM CONSTRUCTION MATERIALS AND PROCEDURES SHALL CONFORM TO THE STATE SANITARY CODE, TITLE 5 AND TOWN
l OYR 3/3
OF YARMOUTH HEALTH DEPT. APPROVAL FOR THE DESIGN.
4. INSTALLATION CONTRACTOR SHALL VERIFY THE NEW BUH,DIN� SEWER PIPE AND THE EXISTING COTTAGE PIPING. CONNECT ONLY TO
13-36
CAST IRON OR NEW PVC PIPE.
5. WATER SERVICE SHALL BE RENOVATED TO BE 10 FT. CLEAR OF SEPTIC SYSTEM COMPONENTS AND AVOID PIPE CROSSINGS, THE LOCATION
/
SHOWN ON THE PLAN IS SUGGESTED.
LOCUS
6. THE EXISTING REMAINING SEPTIC SYSTEM COMPONENTS: TANK 41ND LEACH TRENCH SERVING THE EXISTING ACCESSORY BUILDING
U-1
SHALL BE LOCATED AND REMOVED. COMPACT SOIL AND REPLACE TOPSOILS.
.
�o
7. SOIL TESTS INDICATE THAT A 5 FT. PERIMETER OVER -EXCAVATION IS NECESSARY TO A MINIMUM DEPTH OF 40 IN. TO REMOVE THE TOP
SOIL LAYERS AND ALL TRACES OF THE "B" HORIZON. ADVISED TO REMOVE SLIGHTLY BELOW THE RECORDED DEPTH.
8. CONTACT CAPE COD ENGINEERING, INC. PRIOR TO EXCAVATION SCHEDULE ANY REQUIRED SOIL VERIFICATION INSPECTION IF
�y
�TO
REQUIRED.
SERVEZHE-TDPPSOIL-LAYERS FORUSE-ON-'HE-REGRADED_AREAS.REPLACE-THE.STDEKPILED.SUBSOH,-
OUB 6N
("B" HORIZON) WITH ROUGH GRADING PRIOR TO TOPSOIL APPLICATION AND LAWN SEEDING. LANDSCAPE IMPROVEMENTS SHALL BE AS
DIRECTED BY THE OWNER.
10. FULLY COMPACT ANY PIPE BED TRENCHES.
YARMOUTH, MA
11. THE INSTALLER SHALL CONTACT ENGINEER AT TIME OF SYSTEM COMPLETION PRIOR TO EARTH COVERING FOR SYSTEM CERTIFICATION
AS REQUIRED.
KEY MAP
12. CONTACT ENGINEER IF ANY QUESTIONS OR DOUBTS ARISE REG ING SOIL CONDITIONS ENCOUNTERED OR IF OTHER ISSUES ARISE
NO SCALE
DURING CONSTRUCTION.
13. NO KNOWN WELLS EXIST WITHIN 200 FT. OF THE PROPOSED SEPTIC SYSTEM COMPONENTS. THE SITE IS SERVED BY TOWN WATER.
DESIgN DATA
HYDRAULIC LOADING
PROPOSED DWELLING - BEDROOMS X 110 GPD/BR = 550.0 GPD
ACCESSORY BUILDING -1 BEDROOM X 110 GPD =110 GPD - REQUIRES A PUMP
T TAL = 660 GPD
SEPTIC TANK DESIGN
660 X 200% =1320.0 GPD
MAIN DWELLING AND ACCESSORY BUILDING - PROVIDE A 1,500 GAL. SEPTIC TANK - ST 1500 -H-10
PUMP CHAMBER -1000 GAL. CAP. (ST -1000 - H-10) FITTED FOR SIMPLEX PUMPING. ( SEE PUMP SPECIFICATION
SAS (DESIGN
PERCOLATION RATE - LESS 5 MPI
LONG TERM HYDRAULI� LOAD RATE = 0.74 GAL/S.F.
SIDEWALL AREA: NOT APPLICABLE WITH BED -TYPE SAS
CULTEC CERT. EFFECTIVE AREA FOR GENERAL USE IN MASSACHUSETTS FROM CERTIFICATION TABLE 3, BED CONFIGURATION
= 5.0 S.F. PER L4N FT. OF CONTACTOR 100 UNIT
3 ROWS AT 60 FT. / ROW :180 LIN. FT. X 5.0 S.F. / L.F. / DAY = 900 S.F.
LOADING: ( 900 S.F.) 0.74 GAL/S.F./DAY = 666.0 GPD
TOTAL LEACHING; CAPACITY = 666.0 GPD
PROVIDE BED - TYPE SAS, 60 FT. LONG WITH 3 ROWS OF CULTEC CONTACTOR 100 CHAMBERS ( TRIM UNITS AS REQUIRED) W/ EACH
ROW SEPARATED BY A 0.5 FT. SPACE, SAND FILLED. ESTABLISH CULTEC APPROVED # 410 FILTER CLOTH IN A FORM FIT OVER THE
UNITS WITHIN(' THE ENTIRE BED
TOTAL LEACHING, CAPACITY = 666.0 GPD
PROVIDE A 4 IN. VENT AT SAS. SEE SLOPE REQUIREMENT BARRIER WALL CROSSECTION
RESERVE AREA IS IDENTICAL
*THE DESIGN IS NOT SUITABLE FOR USE WITH A GARBAGE DISPOSAL UNIT
SEPTIC TANK AND PUMP CHAMBER
BUOYANCE CALCULATION
IN GROUNDWATER
1,500 GAL. H-20 SEPTIC TANK - WEIGHT = 23,600 LBS. ( EMPTY)
EARTH COVER LOAD AS PLANNED - 6,450 LBS
DISPLACEMENT AT PLAN ELEVATION W/ GW ELEV. =11= 9,680 LBS ( BUOYANT FORCE)
NET RESULTANT = 23,600 LBS. + 6,450 LBS. - 9,680 = 20,370 LBS. ANCHORING TANK IN PLACE
t
1000 GAL. H- 20 PUMP CHAMBER - WEIGHT =17,100 ( EMPTY)
EARTH COVER LOAD AS PLANNED - 6320 LBS.
DISPLACEMENT AT PLAN ELEV. = 7,890 LBS. ( BUOYANT FORCE)
NET RESULTANT =17,100 LBS + 6,320 LBS - 7,890 LBS = 15,530 LBS ANCHORING TANK IN
PLACE
I hereby certify that the existing features shown here on are located as they
exist on the ground.
Donald T. Poole PLS #32662
TOP OF WALL EL = 18.0
"BREAKOUT EL=17_
16f
BOTTOM OF BARRIER WALL EL=15.0
BARRIER WALL SECTION VIEW
NO SCALE
Date
DEEP OBSERVATION HOLE # 1
Test Date: August 4, 2016;
Witness: Amy Vonflone, RS, YARMOUTH HEALTH DEPT.
PERFORMED BY R. Perry
elevation
depth (in.)
horizon
texture
color
mottling
other
14.5-13.4
0-13
A
loam. sand
l OYR 3/3
13.4-11.5
13-36
B
sand. loam
1OYR 5/6
(add. me
store)
11.5-4.5
36-120
C1
m./f. sand
10 YR 6/8
Parent material: glacial outwash
Depth to Groundwater - 80" ( elev. = 7.8) Frimpter July adj. el. 9.1 = Ref. Well SDW 252
Zone A
PERC. TEST DATA: PRE-SOAKED 24 GALS. PASSED IN 7 MIN.
PERC RATE = LESS THAN 2 MPI
PUMP SYSTEM SPECIFICATIONS
PROVIDE A SIMPLEX (DUPLEX AT OWNERS OPTION) EFFLUENT PUMPING SYSTEM FOR SINGLE FAMILY
RESIDENTIAL SEWAGE DISPOSAL SYSTEM SPECIFIED AS FOLLOWS:
PUMP CHAMBER - SHOREY MFG. 1,000 GALLON PUMP CHAMBER (H-20) W/ 30" ACCESS MANHOLE
PROVIDE A MEDIUM DUTY, CAST IRON RING AND COVER TO GRADE.
PUMP(S): MYERS SRM -4 (APPROX.12 FT. TOTAL SYSTEM HEAD @ 40 GPM) OR APPROVED EQUAL;
PROVIDE QUICK RELEASE COUPLING FOR FORCE MAIN CONNECTIONS.
PROVIDE CHECK VALVES BETWEEN PUMP LINES IF DUPLEX SYSTEM.
•' LEVEL CONTROL AND ALARM SWITCHES SHALL BE SEALED, MERCURY FLOAT SWITCHES,
CONNECTED THROUGH A NEMA 4 JUNCTION BOX ATTACHED ABOVE THE CHAMBER HIGH WATER
LEVEL, WIRED IN ACCORDANCE WITH STATE ELECTRICAL CODE REQUIREMENTS. ELECTRICAL
PERMIT IS REQUIRED.
• PUMP SHALL BE ON SEPARATE ELECT. CIRCUIT FROM ALARM SYSTEM.
ALARM SHALL BE INSTALLED IN THE BUILDING SERVED BY THE SYSTEM. .
SET TETHER FLOAT SWITCHES AS FOLLOWS:
"PUMP ON" 15 IN. ABOVE TANK BOTTOM
• "PUMP OFF" 8 IN. ABOVE TANK BOTTOM
• "ALARM ON" 17 IN. ABOVE TANK BOTTOM
TITLE 5 DOSING NOTE: 7 INCH DRAW -DOWN = APPROX.145 GAL. / DOSE; 4 DOSES / DAY = 580
GAL./DAY; TANK CAPACITY ABOVE "ALARM - ON" LEVEL = 645 GAL.TO INLET INV. ELEV.
PROVIDE A GATE VALVE ON THE 2 INCH FORCE MAIN INSIDE THE PUMP CHAMBER LEAVE IN OPEN
POSITION.
• PROVIDE CHECK VALVE ON 2" FORCE MAIN INSIDE CHAMBER
PROVIDE CHECK VALVES BETWEEN THE PUMPS -
PROVIDE 1/8" WEEP HOLE ON FORCE MAIN IN CHAMBER ON THE `D' BOX SIDE OF THE CHECK VALVE.
I, PUMP AND ALARM SHALL BE TESTED PRIOR TO COMPLETION OF BACKFILLING
I ALL PIPING SHALL BE PROPERLY JOINTED, TIGHT -GLUED SCH. 40 PVC OR EQUAL
PROVIDE ADEQUATE THRUST BLOCKS OR SUITABLE BRACING AT FORCE MAIN BENDS
1.
{
7 BARRIER WALL NOTE
TO CONTROL GRADING PROVIDE LANDSCAPE WALL A MIN OF 5 FT. FROM THE SAS PERIMETER -
T.O.W. EL. =18.1; PROVIDE A CONTINUOUS 40 MIL THICK VINYL ON INSIDE OF WALL; TOP OF VINYL EL. Yarmo>atga HeaNth Department
=17.1; BOTTOM OF VINYL EL. =1410 PP D
r-
Tame Date
GROUNDWATER NOTE: SITE OBSERVATIONS DURING NOVEMBER 2017 INDICATE A HIGH
GROUNDWATER ELEV. OF 11. 1, INCONSISTENT WITH FRM'TER SEASONAL ADJUSTMENT APPLIED TO
THE WITNESSED SOIL EVALUATION. REVISED SAS DESIGN.
REVISED 1/12/2018 - REVISE S. T. TO H-20, ADD BUOYANCY CALCS, REVISE PUMP
REVISED 12/28/2017 - REVISE SAS, ADD BARRIER WALL
REVISED 11/20/2017 - RAISE SAS, ADD BARRIER WALL
j TOPOGRAPHIC SITE PLAN
DEEP OBSERVATION 6; SHOWING
Test Date: August 4, 2016; # 2 PROPOSED DWELLING CONSTRUCTION
Witness: Amy VonHone, RS, YARMOUTH ALTH DEPT. AND SUBSURFACE SEWAGE DISPOSAL SYSTEM
PERFORMED BY R. Perry
elevation
depth (in.)
horizon
texture I
color
mottling
other
14.5-13.5
0-12
A
loam. sand
l OYR 3/3
13.5-11.2
12-40
B
sand. loam
lOYR 6/8
(add. me
store)
11.2-4.5
40-120
Cl
m./f. sand
10 YR 6/4
Parent material: glacial outwash
Depth to Groundwater - 80" ( elev. = 7.8) Frimpter July adj. el. 9.1 = Ref. Well SDW 252
Zone A l
PERC. TEST DATA: SEE TEST HOLE #1
PERC RATE = LESS THAN 2 MPI
GREENHOW.DW
I
221 CENTER STREET, YARMOUTHPORT, MA
ASSESSORS' MAP 140, PARCEL 39
PREPARED FOR
LAUREN AND SEAN GREENHOW
51 ALEXANDER AVENUE, BELMONT, MA 02478-4807
MAY 11, 2017 SCALE - AS NOTED
PREPARED BY
CAPE COD ENGINEERING, INC.
ROBERT M. PERRY, P.E.
`* }P.O. BOX 1517
' x n. EAST DENNIS, MA 02641
t u ri ,
,�, TEL: 508-385-1445