HomeMy WebLinkAboutEngineered Plan - 2017r- r .;-
LOCUS PLAN
e
0
MAP 11
LOT 33
PROVIDE VENTED EJECTOR PUMP FOR
} BATH AND KITCHEN FLOW
DECOMMISSION (PUMP AND FILL)
EXISTING LEACHING PIT
MAP 11
LOT 34
LEGEND
T.O.F.
EL = 45.7
SLAB
EL. 38.5
x44.4
LAWN
OUTLET TEE TO BE
FITTED WITH P LYLOK
MODEL PL525 LTER
4" DIA, SOLID PVC PIPE
(13') SLOPES 0.02
EL.=43.0
(PROPOSED)
EL=42.70
F7S LANE!
92.00�'
20cv
LOCUS'-,,
\M
T 3'2 `.
ACR S± L'3AWN 1`-
11 0
RAISE AND REROUTE EXISTING
PLUMBING THROUGH BASEMENT
,DECOMMISSION (PUMP AND FILL)
;EXISTING LEACHING PIT
PROVIDE TEE
FINISHED GRADE FIRST 2' TO BE
4" SOLID PVC SCH. 40 4" SOLID PVC SCH. 40
(15') SLOPE 0.01 (MIN.)
L EL.=42.45 DISTRIBUTION EL.=41.98
EL.=42.20 BOX EL.=42.03
1,500 GALLON, 2-C8MPARTMENT
ST CONCRETE SEPTIC TANK
20' MIN. TO FOUNDATION WALL
x44
- - -- --49--- - -- EXISTING CONTOURS
X49.5 EXISTING SPOT ELEVATIONS
PROPERTY LINES
TP-1 OBSERVATION HOLE LOCATION
EDGE OF BITUMINOUS PAVEMENT
MAP 11
LOT 31
20
43.9
SEPTIC SYSTEM PROFILE
NOT TO SCALE
COVER INFILTRATORS WITH FILTER FABRIC
PROPOSED VENT
WITH CHARCOAL FILTER
AND INSECT SCREEN
EVEL
4' PERF. SCH. 40 PVC
OBSERVATION PORT
END CAP
WITH CAP SET WITHIN
/_ 3" OF FINISHED GRADE
12" MIN.
TITLE 5 SAND
EL = 41.70
REMOVE UNSUITABLE SOIL & REPLACE WITH CLEAN
FILL IN ACCORDANCE WITH 310 CMR 15.255(3)
LEACHING BED CONSISTING OF 5 ROWS OF 7
DEPTH TO GROUNDWATER
34" W x 48" L x 8" H INFILTRATORS - 140 L.F.
5' MINIMUM
USE INFILTRATOR QUICK4 PLUS STANDARD LP UNITS
GROUNDWATER ELEV. < 31.95
BASED ON TEST PIT TP-2
WATER TIGHT SECURABLE COVERS
TO GRADE WITH BRICK AND -
MORTAR OR APPROVED EQUAL
PROVIDE TANK ACCESS COVER OVER BAFFLE
OUTLET TEE TO BE FITTED
WITH GAS BAFFLE-1
595 S.F. CONVENTIONAL
SYSTEM FOOTPRINT
PROPOSED VENT
(PRESBY GRANITE POST)
-5' UNSUITABLE SOIL REMOVAL LIMIT
PROPOSED 14.2' X 28.0' LEACHING BED
- WITH 5 ROWS OF 7 QUICK 4 PLUS
STANDARD LOW PROFILE CHAMBERS
PROPOSED DISTRIBUTION BOX
PROPOSED 1,500 GALLON,
2-COMPARTMENT SEPTIC TANK
SITE BENCHMARK: TOP OF LOWEST
FRONT STEP, EL.=45.46 (NAND 88)
PORCH
BED
BED
BATH
ROOM
ROOM
KITCHEN
ROOK
ENT.
BATH
ROOM
LIVING
DI
IROAOM
ROOM
BED
ROOM
FLOOR PLAN
NOT TO SCALE
GARAGE
4'-7"
4' 0'
40 P.V.i
OUTLET TEE TO BE FITTED
WITH POLYLOK MODEL PL525
FILTER WITH SUPPORT LEG
PROVIDE TANK
r
4"j
OUTLET
5' -8" /
�L SET TANK ON 6" OF
CRUSHED STONE OR
APPROVED LEVEL BASE
CROSS SECTION
1,500 GALLON 2-COMPARI
PRECAST SEPTIC TANK
NOT TO SCALE
It 15.5"
---a-7.5" 3 -
2"--)
5 - 5" DIA. OUTLETS
loll
15"
7"
"4
6" 4 .1
8
SET D-BOX ON 6" CRUS
STONE LEVELING BASE
NOTE: DISTRIBUTION BOX
COMPLY TO MINIMUM REQL
OF 310 CMR 15.232.
DISTRIBUTION BO
NOT TO SCALE
1 A/111AI1'1 �/Y []
ESTABLISH VEGETATIVE COVER
r- FILTER FABRIC
r-TITLE 5 SAND
TOPSOIL
712)1-36't
8" SEE ELEVATION
SCHEDULE
6" MIN.
INFILTRATOR' QUICK4 PLUS STANDARD LP CONFIGURATION
NOT TO SCALE
I
DATE
DESCRIPTION
N O T E S
1. THE CONTRACTOR SHALL NOTIFY THE LOCAL BOARD OF HEALTH AND COLLINS
ENGINEERING GROUP AT LEAST 48 HOURS PRIOR TO REQUIRED INSPECTIONS.
2. SITE BENCHMARK IS THE TOP OF THE LOWEST FRONT STEP AS INDICATED
ON THIS PLAN: EL = 45.46 (NAVD 88).
3. HEAVY EQUIPMENT SHALL NOT BE ALLOWED TO OPERATE OVER THE LIMITS
OF THE SEWAGE DISPOSAL FIELD DURING THE COURSE OF CONSTRUCTION OF THE
SYSTEM.
4. NO FIELD MODIFICATIONS TO THE SEWAGE SYSTEM SHALL BE MADE WITHOUT PRIOR
WRITTEN APPROVAL OF THE ENGINEER AND THE LOCAL BOARD OF HEALTH.
5. UNLESS OTHERWISE NOTED ALL SYSTEM COMPONENTS SHALL BE INSTALLED IN
ACCORDANCE WITH TITLE 5 OF THE STATE ENVIRONMENTAL CODE AND ANY
APPLICABLE LOCAL RULES.
6. DISTRIBUTION BOX SHALL BE MANUFACTURED BY J&R PRECAST, INC. OR APPROVED
EQUAL.
7. GROUT TO BE USED AT ALL POINTS WHERE PIPES ENTER OR LEAVE ALL CONCRETE
STRUCTURES IN ORDER TO PROVIDE A WATERTIGHT SEAL.
8. THE FIRST TWO FEET OF EACH LINE EXITING THE DISTRIBUTION BOX SHALL BE LEVEL.
9. THIS SYSTEM IS NOT DESIGNED TO ACCOMMODATE A GARBAGE GRINDER OR WATER FILTRATION
SYSTEM BACKWASH,
10. SYSTEM COMPONENTS TO WITHSTAND H-10 LOADING CRITERIA.
11. PROPERTY LINE SHOWN IS APPROXIMATE ONLY AND IS NOT A RESULT OF A PROPERTY
LINE SURVEY.
12. THE CONTRACTOR SHALL DECOMMISSION (PUMP & FILL OR REMOVE) THE EXISTING
SEPTIC SYSTEM AND ALL ASSOCIATED PIPING IN ACCORDANCE WITH 310 CMR 15.354.
13. AS SHOWN, THERE ARE NO KNOWN WELLS WITHIN 100 FEET OF THE PROPOSED
LEACH FIELD.
14. ALL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RESTORED (LOAM AND SEED)
TO INCLUDE HISTORIC TEST PITS OUTSIDE CONSTRUCTION LIMITS.
15. CONTRACTOR WILL BE RESPONSIBLE FOR OBTAINING ANY APPLICABLE PERMITS,
16. CONTRACTOR WILL BE RESPONSIBLE FOR CONTACTING DIG SAFE (888-DIGSAFE) AND
ANY OTHER APPLICABLE UTILITY COMPANIES PRIOR TO STARTING WORK.
17. UNDERGROUND UTILITY LOCATIONS SHOWN ARE APPROXIMATE ONLY.
18. CONTRACTOR WILL BE RESPONSIBLE FOR COMBINING LAUNDRY FLOW WITH SYSTEM.
19. CONTRACTOR RESPONSIBLE FOR IMPLEMENTING ALL O.S.H.A. PROCEDURES TO INCLUDE BUT
NOT LIMITED TO CONFINED SPACE ENTRY PROCEDURES.
20. CONTRACTOR RESPONSIBLE FOR CONFIRMING LOCATION OF EXISTING LEACHING FACILITY
21. CONTRACTOR TO CONFIRM EXISTING PLUMBING, BENCHMARK, AND SILL ELEVATIONS
PRIOR TO CONSTRUCTION.
22. MAGNETIC LOCATOR TAPE TO BE PLACED ON ALL SEPTIC SYSTEM COMPONENTS.
23. CONTRACTOR RESPONSIBLE FOR REPAIRING ANY DAMAGE TO LAWN IRRIGATION SYSTEM.
D E S I G N D A T A
DESIGN FLOW:
3 BEDROOMS x 110 GPD/BEDROOM = 330 GPD
SEPTIC TANK:
330 GPD x 2.0 = 660 GALLONS
USE NEW 1,500 GALLON SEPTIC TANK
SOIL ABSORPTION SYSTEM:
PERCOLATION RATE = <2 MIN./INCH (CLASS I SOIL)
DESIGN LOADING RATE = 0.74 GPD/SF
LEACHING AREA REQ'D = GPD) 446 SF
0..7474 GPD SF -
USE 14.2' X 28.0' LEACHING BED WITH
5 ROWS OF 7 INFILTRATORS = 140 L.F.
INFILTRATOR LEACHING AREA = 4.73 S.F/L.F.
LEACHING AREA PROVIDED:
140 L.F. X 4.73 S.F/L.F = 662 SF > 446 SF REQUIRED
DAILY FLOW CAPACITY:
662 SF X 0.74 GPD/SF = 490 GPD > 330 GPD REQ'D
y.., I.h Depart eat
' VE
- --- Date S 0 I L D A T A
zo/y J � = ATOE: JUNE 22, 2017
- PKI
PERFORMED BY: GEORGE R. COLLINS, P.E.
WITNESSED BY: PHIL RENAUD, YARMOUTH BOH
SOIL SOIL SOIL SOIL
HORIZ. COLOR TP-1 DEPTH ELEV. HORIZ. COLOR TP-2 DEPTH ELEV.
FILL/A 0 44.52
15"
Bw 10YR 5/6 SANDY LOAM Bw 10YR 5/6
58" BOTTOM 42"
OF PERC HOLE
C 2.5Y 5/2 MED. SAND C 2.5Y 5/2
0 44.45
16"
38"
1 1140" 32.85 1 1150" 31.95
EST. SEASONAL HIGH GROUNDWATER ELEV. < 31.95
DESIGN PERC RATE = 1 " IN <2 MIN.
NOTE: LAYERS FILL/A, B, AND C TO BE REMOVED TO A DEPTH OF 48"
BELOW GRADE AND REPLACED WITH CLEAN FILL IN ACCORDANCE WITH
310 CMR 15.255(3). UNSUITABLE SOIL TO BE REMOVED TO A DISTANCE
OF 5'-0" BEYOND THE LIMITS OF THE SOIL ABSORPTION SYSTEM.
DRAWING TITLE PLAN AND DETAILS
SUBSURFACE SEWAGE DISPOSAL SYSTEM UPGRADE
SCALE:.
AS SHOWN
rGEORGE
SYARMOUTH,
$ 9FQSTEA�'
PROJECT
129 BLUE ROCK ROAD
MA
DATE:
8-1-17
DRAWNSWR
CLIENT JAMES LANGEN
33' BROAD STREET, SUITE 1 100, BOSTON, MA 02109
DESIGNED BY:
SWR
COL INS CIVIL ENGINEERING GROUP, INC.
BRAINTREE - FALMOUTH - WEST BRIDGEWATER
IVIL ENGINEERING - LAND SURVEY - L.S.P. SERVICES
225 SOUTH MAIN STREET, WEST BRIDGEWATER, MA 02379
TEL: 508-580-2332 MOBILE: 617-347-1363 E-MAIL: GRCPE®AOL.COM
CHECKED BY:
GRC
DRAWING N0.
APPROVED BY:
GRC
PROJECT NO.
17-113-2441
BY
APP.
i
I
i