HomeMy WebLinkAboutEngineer PlanI I FFE = 15.5 1
SEWAGE SYSTEM PROFILE & DETAILS
DWELLING
NOT TO SCALE
PROPOSED 4" PVC OUTLET
10' MIN. DISTANCE
"T" AND SEWER PIPE.
FROM FOUNDATION SCHEDULE
FG
12.4t
PROPOSED D BOX WITH
40 PVC PIPE (TIGHT JOINTS)
ACCESS MANHOLE COVER
WITHIN 6" OF FINISHED GRADE.
?..�
FG
12.5t
Inv. elev.= 10.30
•
�:;''
Inv. elev.= 10.05
••4 y
L=20' - 4" PVC
,.
SCHD. 40 PIPE @
s=0.02 MIN.
-i
L=29' •- 4" PVC
SCHD. 40 PIPE @
s=0.01
'
I
z
SCH. 40 PVC TEES
M
IW-i
�
50
in LU>- d (
GAS BAFFLE
�I Inv. elev.= 9.76
W
W
w
WWW
m
wmV
O
Z
ZOz
Bottom el.= 5.72
PROPOSED SEPTIC TANK
1,500 GALLON, H-10 LOADING
\_6"
MIN. CRUSHED STONE BASE-
* EXISTING BUILDING SEWER NOTES
1 - BUILDING SEWER PIPE INVERT ELEVATION TO BE CONFIRMED PRIOR TO CONSTRUCTION.
2 - CONTRACTOR SHALL INTERCEPT EXISTING BUILDING SEWER WITH NEW 1,500 GALLON SEPTIC TANK AND INSTALL 4" PVC 'T's IN CONFORMANCE WITH TITLE 5.
SEPTIC SYSTEM NOTES
1. ALL CONSTRUCTION AND MATERIALS SHALL CONFORM TO THE STATE ENVIRONMENTAL
CODE, TITLE 5 (310 CMR 15.00), AND THE LOCAL BOARD OF HEALTH.
2. THERE SHALL BE NO CHANGES MADE IN THIS PLAN WITHOUT THE WRITTEN PERMISSION OF
THE ENGINEER AND LOCAL BOARD OF HEALTH.
3. ALL ERRORS, OMISSIONS, AND CHANGE OF CONDITIONS AT THE SITE SHALL BE BROUGHT
TO THE ATTENTION OF THE ENGINEER PRIOR TO PERFORMING THE RELATED WORK.
4. ALL DISTURBED AREAS ARE TO BE LOAMED, SEEDED AND MAINTAINED TO PREVENT
EROSION.
5. FOR PROPER PERFORMANCE, SEPTIC TANK SHOULD BE INSPECTED AT LEAST ONCE A
YEAR AND WHEN THE TOTAL DEPTH OF SCUM AND SOLIDS EXCEEDS 1/3 THE LIQUID DEPTH
OF THE TANK, THE TANK SHOULD BE PUMPED.
6. THIS SYSTEM HAS BEEN DESIGNED FROM DATA REVIEWED AND ACKNOWLEDGED BY THE
MASS. D.E.P. AND THE LOCAL BOARD OF HEALTH; AND CONFORMS WITH THE
REQUIREMENTS OF THE STATE ENVIRONMENTAL CODE, TITLE 5. NO GUARANTEE OF
PERFORMANCE IS EXPRESSED OR IMPLIED.
7. TEST HOLE INFORMATION SHOWN HEREON IS LIMITED TO SOIL CONDITIONS FOUND AT
THAT PARTICULAR TEST HOLE LOCATIONS AND IS NOT CONSIDERED AN IMPLIED OR
EXPRESSED WARRANTY OF SOIL CONDITIONS BEYOND LIMITS OF SUCH TEST HOLES.
8. ALL ORGANIC AND UNSUITABLE MATERIAL MUST BE REMOVED FROM THE AREA DIRECTLY
UNDER AND 5 FEET BEYOND THE PROPOSED LEACHING FACILITY. THIS AREA MUST BE
BACKFILLED TO THE ELEVATIONS INDICATED ON THESE PLANS WITH SELECT ON -SITE OR
IMPORTED SOIL MATERIAL, CONSISTING OF CLEAN GRANULAR SAND OR OTHER GRANULAR
MATERIAL, FREE FROM ORGANIC MATTER AND OTHER DELETERIOUS SUBSTANCES.
MIXTURES AND LAYERS SHALL NOT BE USED. THE FILL MATERIAL SHALL CONFORM TO THE
STATE ENVIRONMENTAL CODE, TITLE 5 - 310 CMR SECTION 15.255 (3) AND SHALL HAVE
PERCOLATION RATE OF BETWEEN TWO AND FIVE MINUTES PER INCH, BEFORE AND AFTER
PLACEMENT.
9. ALL STONE MUST BE DOUBLE WASHED AND FREE FROM FINES AND ANY ORGANIC
MATERIAL AND MUST HAVE LESS THAN 0.2 PERCENT MATERIAL FINER THAN A NUMBER 200
SIEVE.
10. THE DESIGNER HAS NOT BEEN RETAINED BY THE CLIENT TO CONSTRUCT OR SUPERVISE
THE CONSTRUCTION OF THE SYSTEM. THE CONTRACTOR IS RESPONSIBLE FOR MAKING
ARRANGEMENTS FOR INSPECTION OF INSTALLATION OF THE SYSTEM WITH THE LOCAL
BOARD OF HEALTH.
11. THE GENERAL CONTRACTOR IS RESPONSIBLE FOR ALL HORIZONTAL AND VERTICAL
CONTROL OF ALL SYSTEM COMPONENTS.
12. TIGHT JOINT PIPING MATERIAL TO CONSIST OF POLYVINYL CHLORIDE (P.V.C.) SCHEDULE 40,
UNLESS OTHERWISE NOTED.
13. THE CONTRACTOR SHALL NOTIFY THE DESIGN ENGINEER FOR CONSTRUCTION INSPECTION
AFTER EXCAVATION FOR THE LEACHING BED (PRIOR TO THE PLACEMENT OF STONE) AND
ALSO AFTER PLACEMENT OF PIPE & STONE PRIOR TO BACKFILLING.
14. DESIGN ENGINEER SHALL CERTIFY CONSTRUCTION OF SYSTEM AND MATERIALS
INSTALLED. THE CONTRACTOR SHALL PROVIDE A SIEVE ANALYSIS OF THE FILL MATERIAL
REQUIRED. AN AS -BUILT PLAN SHALL BE SUBMITTED TO THE LOCAL BOARD OF HEALTH
UPON COMPLETION.
15. NO RUBBER TIRE CONSTRUCTION MACHINERY SHALL DRIVE OVER THE PROPOSED SEPTIC
BED EXCAVATION DURING CONSTRUCTION.
16. DIG -SAFE AND ALL OTHER NECESSARY AUTHORITIES SHALL BE NOTIFIED FOR THE PROPER
LOCATION OF EXISTING UTILITIES PRIOR TO ANY EXCAVATION.
17. WATER SERVICE LINE SHALL BE LOCATED AND MARKED PRIOR TO ANY EXCAVATING AND 10'
MIN. SETBACK DISTANCE FROM SAID SERVICE TO THE SEPTIC SYSTEM SHALL BE
MAINTAINED.
18. ALL WATER LINES WITHIN 10' OF SEPTIC SYSTEM COMPONENTS SHALL BE SLEEVED WITHIN
4" PVC SCHEDULE 40 PIPE,
11.9
NOTES:
1. FURNISH RISERS TO SET COVERS WITHIN 6 INCHES OF FINISH GRADE.
2. H-10 SEPTIC TANK AND CHAMBERS AND H-20 DISTRIBUTION BOX (D-BOX), AND SCHEDULE 40 PVC PIPE THROUGHOUT.
3. THE CONTRACTOR SHALL BE RESPONSIBLE FOR OBTAINING A TRENCH PERMIT FROM THE LOCAL MUNICIPALITY IN
WHICH THE WORK IS BEING PERFORMED.
S=2% MINIMUM
H-20 D-BOX 1
WITH SPEED ` FIRST 2' SHALL
LEVELERS BE SET LEVEL
1 =6' @ S=0.028
I Inv. elev.= 9.59 1
I Inv. elev.= 9.42 1
BACK FILL WITH 9" MIN.
36" MAX. CLEAN MATERIAL
SEE STRIPOUT NOTE
EL.=9.84 TOP OF INFILTRAT(
_4, 4' J
oft" to 1�'
washed stone all
around infiltrator
STRIPOUT NOTE:
THE CONTRACTOR SHALL EXCAVATE 5 FT. ALL
AROUND THE LEACHING FACILITY AND DOWN TO THE
MEDIUM SAND (ELEV. 9.0t), REMOVE AND DISPOSE
ALL UNSUITABLE MATERIAL AND REPLACE WITH
CLEAN GRANULAR SAND CONFORMING WITH THE
SPECIFICATIONS SET FORTH IN 310 CMR 15.255 (3).
6'-3"
TYPICAL HIGH CAPACITY INFILTRATOR
SCALE: N.T.S (H-20 LOADING)
10'- 6"
F_ 20" Diameter Access Holes w
J
t-
INLET \ / O o0
1 ` �
STEEL REINFORCED PRECAST CONCRETE
PLAN VIEW
3" REMOVABLE COVERS 3"
�! in ,,
5 - 5" OUTLET
KNOCKOUTS
OUTLET
ALL ACCESS MANHOLE COVERS FOR
SEPTIC TANK, DISTRIBUTION BOX, AND
LEACHING STRUCTURE SET MORE THAN
6" BELOW FINISHED GRADE, SHALL BE
RAISED TO WITHIN 6" OF FINISHED GRADE.
FRAME & COVER
OVER 'TS"
I FG 1 11.8t 1
2" LAYER OF J" TO #'
WASHED STONE OR
FILTER FABRIC
Elev.= 8.50
4' OF NATURALLY OCCURRING
PERVIOUS MATERIAL
Bottom of Test Hole Elev.= 3.5
Observed GWT Elev.= 3.1
(57 LEWIS BAY ROAD)
END CAP AT
BEGINNING & END
OF EACH ROW
INSTALL POLYLOK FLOW EQUALIZERS
ON ALL OUTLET PIPES
i- CONCRETE COVER
CROSS-SECTION
ALL OUTLET PIPES FROM THE
PRECAST DISTRIBUTION BOX SHALL BE
CONCRETE SET LEVEL FOR AT LEAST 2 FT.
TANK RISER
8„ 2" in. clearance required s L 121 INLET'T'
2" min. inlet to outlet _ 6"min. OUTLET L
10"min. 14"min.
Liquid level
5'-7" 5'-0"
4'-0" min. 4'-0" min.
Liquid depth TUF-TITE Liquid depth
GAS BAFFLE
j 3"
10'-01, �5'-2"--��
CROSS-SECTION END -SECTION
TYPICAL 1,500 GALLON SEPTIC TANK
NOT TO SCALE (H-10 LOADING)
24"
PLAN SECTION
5 HOLE DISTRIBUTION BOX
NOT TO SCALE (H-20 LOADING)
PROPOSED 1/2" REBAR TO
LOCATE IN FUTURE.
16"
-t
RECINVOID
MAY 0 2 2023
HEALTH ®EPT.
4" CLEANOUT CAP WITHIN
3" OF FINISHED GRADE
3" MAX.
4" SOLID PVC PIPE 12" MIN.
36" MAX.
-FASTENERS
-STANDARD
E INFILTRATOR
TYPICAL OBSERVATION PORT
NOT TO SCALE
SOIL EVALUATOR'S LOG
Depth from surface
in inches
Soil Horizon
Soil Texture
(USDA)
Soil Color
(Munsell)
Soil Mottles
and Depth
Other Relative
Factors
DEEP OBSERVATION HOLE TP#1, ELEVATION 13.5
0 - 8"
A
SANDY LOAM
10 YR 313
8" - 54"
B
SANDY LOAM
10 YR 5/6
54" - 120"
C
MEDIUM SAND
2.5 Y 5/4
NO
SINGLE GRAIN
PERCOLATION RATE = < 2 MINUTES / INCH IN C LAYERS
�c DEPTH TO GROUNDWATER = NONE ENCOUNTERED AT 120" (ELEV. =3.5)
OBSERVATIONS BY: LARRY CARREIRO
WITNESSED BY: PHIL PENAUD
DATE TESTED: MARCH 16, 2022
�c OBSERVED GROUNDWATER ELEV. =3.1 FT. �NOF
NAVD88 FROM PERC. TEST @ #57 LEWIS BAY ROAD
DATED MARCH 18, 2015. �o� N. DOUGLAS
SCHNEIDER
CIVIL
No. 38540
NOTICE
THIS PLAN MAY NOT BE ADDED TO, DELETED FROM, OR ALTERED IN ANY WAY BY ANYONE OTHER THAN
HOLMES AND MCGRATH.
UNLESS AND UNTIL SUCH TIME AS AN ORIGINAL (RED) STAMP APPEARS ON THIS PLAN NO PERSON OR
PERSONS, MUNICIPAL OR PUBLIC OFFICIAL MAY RELY UPON THE INFORMATION CONTAINED HEREIN, AND
THIS PLAN REMAINS THE PROPERTY OF HOLMES AND MCGRATH.
COPYRIGHT (C) BY HOLMES & MCGRATH. ALL RIGHTS RESERVED
LOT COVERAGE NOTES
EXISTING PROPOSED MAXIMUM ALLOWABLE
BY STRUCTURES 14.8% 15.6% 25%
LEGEND
BOUND WITH DRILL HOLE FND •
EDGE OF CLEARING
EXISTING GRADE --
EXISTING SPOT GRADE 10.9
EXISTING DECIDUOUS TREE
EXISTING CONIFER TREE
CB w/DH
FOUND
APPROXIMATE LOCATION
OF EXISTING WATER
SERVICE
;�LU j
ELEC. BOX
APPROXIMATE
LOCATION OF
P���1 SERVIICE NG GAS
J
" O Rsr.
X 12.6 " 14X2 ,S �9\
S 7
12.8 X '
PROPOSED NEW METER \
N/F
JAMES H. &
\ PORCH 5.0'x36.1' � DEBORAH M. CAOLA
14X4" \ � �Q
�� GAS p�
X 13.4 TIP\ �G METER F
QQO ?� AC yOF
9 PAD ++ \ EXISTING SEPTIC TANK & D-BOX
,p 13.5 x 05►1\ Q TO BE PUMPED DRY, REMOVED
6 X 12.1 \
�GFp OVERHANG Q�OQ G G AND DISPOSED OF OFF SITE.
EXISTING LEACHING PITS TO BE PUMPED
DRY, CRUSHED & FILLED WITH CLEAN
PROPOSED NEW "�h� , �� BULKHEAD 1\ f\ SAND AND ABANDONED OR REMOVE AS
ENTRY PORCH �� REQUIRED FOR CONSTRUCTION,
C'A \LOCATION PER TOWN RECORDS.
5.3'x13.9' 0 1 1 O O x 12. y
PROPOSED �e '�� i QQ-OJ�Q'O ' LFC
COBBLE APRON
JV
ro / �`•:' ~ ";1` 8 3-
FRANK E/& MARY s�sr. �6'j G� ���`
w.
ELLEN ZAPPUILLA � 'c' 57r, 0 12.9 \l `���.8 0 ��� � 11.9 x
\`9" AC /: 8, 1.1ol INSPECTION CB w/DH
0 ✓ FIRE PIT 0 I'J�J PORT TYP. OF 2
PAD TO BE f 0 6�. �o j ( ) FOUND
RELOCATED I o 1 LOT ..L_7Z
' 16,597t S.F.
PROPOSED NEW RINSE
STATION ENCLOSURE o RICHARD &
PROPOSED 2' DIA. DRYWELL * x12.2 �O
j \ \ 5 �, 5°` ELISABETH BOUWMAN
WITH 2' OF STONE ALL AROUND ", \ 12.0 x
FOR RINSE STATION:
1,500 GALLON SEPTIC \`��- \ G CB w/DH
TANK (H-10) INSPECTION OUND
PORT
PROPOSED SEPTIC SYSTEM (8) HIGH
CAPACITY INFILTRATORS (H-20) WITH 4'
OF DOUBLE WASHED CRUSHED STONE p,� t`L'
ALL AROUND. 10.83'W x 61.00'Lx16"D ++c�,�, x 12.0 O% DAVIDN&FMARY
(SEE DETAILS SHEET 2) OF D� V
NOTES
1. HOUSE NUMBER: 162 SPRINGER LANE
2. ASSESSOR'S NUMBER: 23-346
3. ZONING DISTRICT: R-25
4. FLOOD HAZARD ZONES: X (500 YEAR)
5. BENCHMARK: AS SHOWN
6. TOPOGRAPHIC INFORMATION BASED ON AN
ON THE GROUND INSTRUMENT SURVEY.
7. ELEVATIONS SHOWN ARE BASED ON THE
NORTH AMERICAN VERTICAL DATUM 1988
8. REFERENCE: PLAN BOOK 120 PAGE 89
PLAN BOOK 36 PAGE 131
DEED BOOK 25423 PAGE 151
9. WIND EXPOSURE CATEGORY: B
10. LOT IS LOCATED IN A WIND BORNE DEBRIS REGION
STAKE G' ELLEN BOTTING
w/TACK CB w/DH
SET .----,FOUND
GRAPHIC SCALE
20 10 0 20
( IN FEET )
1 inch = 20 ft.
rill
DETAIL� �
-�� Yar1r:011tla Ueai h Department
M
V�s Ef_
N. DOUGLAS
SCHNEIDER
No.47383
N.DOUGLAS
SCHNEIDER
CIVIL
No. 38540
MEN
MA
17-11
LOCUS MAP
NOT TO SCALE
DESIGN DATA
1. TYPE OF ESTABLISHMENT: 5-BEDROOM SINGLE FAMILY RESIDENCE
2. SEWAGE SYSTEM DESIGN FLOW: 110 GALLONS PER BEDROOM = 110 x 5 = 550
GPD
3. NOTE: THIS SEPTIC SYSTEM IS NOT DESIGNED FOR A GARBAGE GRINDER
4. SEPTIC TANK CAPACITY REQUIRED, MINIMUM OF 200% OF DESIGN FLOW OR
1,500 GAL.
= 200% x 550 GALLON = 1,100 GALLON (USE 1,500 GALLON TANK)
5. DESIGN PERCOLATION RATE: ASSIGNED LESS THAN 5 MINUTES PER INCH
6. SOIL ABSORPTION SYSTEM TYPE: CHAMBER SYSTEM
7. LEACHING AREA REQUIRED: MINIMUM 550 GPD / (0.74 GPD/S.F., CLASS I SOIL) _
743 S.F.
8. LEACHING SYSTEM PROPOSED: 61.0' LONG x 10.83' WIDE x 11" HIGH SYSTEM
BOTTOM AREA PROPOSED = 10.83' x 61.0' = 660.6 S.F.
SIDE AREA PROPOSED = 2 x (10.83' + 61.0') x I I" = 131.7 S.F.
TOTAL AREA PROPOSED = = 792.3 S.F.
9. LEACHING SYSTEM CAPACITY PROPOSED = 792.3 S.F. x 0.74 GPD/S.F. = 586.3 GPD
NOTICE
THIS PLAN MAY NOT BE ADDED TO, DELETED FROM, OR ALTERED IN ANY WAY BY ANYONE
OTHER THAN HOLMES AND MCGRATH.
UNLESS AND UNTIL SUCH TIME AS AN ORIGINAL (RED) STAMP APPEARS ON THIS PLAN NO
PERSON OR PERSONS, MUNICIPAL OR PUBLIC OFFICIAL MAY RELY UPON THE
INFORMATION CONTAINED HEREIN; AND THIS PLAN REMAINS THE PROPERTY OF HOLMES
AND MCGRATH.
COPYRIGHT (C) BY HOLMES & MCGRATH. ALL RIGHTS RESERVED
DATE DESCRIPTION lDrawnIChecked
R E V I S 1 0 N S
PLAN
OF PROPOSED SEWAGE DISPOSAL SYSTEM
PREPARED FOR THE
MORRISON FAMILY TRUST
LOT 44, #162 SPRINGER LANE
IN
WEST YARMOUTH, MA
SCALE: 1 "=20' DATE: JUNE 13, 2022
holmes and mcgrath
civil engineers and land surveyors
205 worcester court • suite a4 •falmouth, ma • 02540
508-548-3564 www.holmesandmcgrath.com
DRAWN: JJF, LAC CHECKED:
JOB NO: 221274 DWG. NO.: 89-4-82 SHEET 1 OF 2