HomeMy WebLinkAboutEngineer PlanPermit valid for REPAIR OFJ TIC SVST
ONLY, due to State and Loc l s ptic varian
Board of Health review and appro I is required
any future additions/renovatio alterations
sewage facilities and/or structures/ elling.
Yarmouth Health Den eat
BUTTING
WELLING
#1 & #3 TRENTON ST
28/59
town water
98 �'
if
a
'a
e a
a.
CONCRETE
PAD
n a n
j E
FIRRSTST FLC
> meter
LEGEND
"YARMOUTH
#0 ROSETTA ST 8
ApproxiiY atenllocation
war
28/51.1.1
4&.-..
Existing contour
'
f 1
L
Existing 1,000 gol. H-10 loading
eptia tank
62.00
—1
�to be pumped and removed)
i
Existing Leach facility
COE
10'
(to be pumped and removed)
HOSPITAL 5
C----...---
101.70' X
Denotes existing spot grade
e
t 1
TRACK TO WETLANDS
o C.O.
Clean Out
— -
T
Denotes existingseptic
components
®
Denotes proposed septic
-----_�` 10'
components
C ;0.
CONCRETE WALK
101.64'
PORCH
0
me- J6191MI
0
o
O
KISTING 40 MIL LINER
O
DO
0
10
�2
DIRT
DRIVEWAY
, ^. CCT14AP.K T6IWETLAND
��.I11I
`Q..concrete wotk- y. ......PAVED APRON '
99 edge of povemenf
TRENTON STREET
I
TE
4---� --o-- Existing 2' Pickett fence
GENERAL NOTES LOCUS
1.
2.
ADDRESS:15 TRENTON STREET, YARMOUTH, MA,
ASSESSOR'S NUMBER: MAP 28 PARCEL 60. NO SCALE
O O O
Proposed 2,500 gal H-20 3.
c1
DEVELOPER'S LOT: LOT #313 AND PART OF '2.
septic tank/pump chamber 4.
TOPOGRAPHIC INFORMATION WAS COMPILED F OM
AN ON THE GROUND INSTRUMENT SURVEY.
5.
TOWN WATER IS PROVIDED TO THE SITE & SURROUNDING PROPERTIES.
6.
WETLANDS WERE LOCATED BY ENGINEERING WORKS, INC. PLAN FOR 7
TRENTON ST, DATED 2/27/21.
7.
REFERENCE PLAN: PLAN BOOK 26 PAGE 103, PLAN BOOK 276 PAGE 75,
PLAN BOOK 83 PAGE 45-2.
"PROPOSED SEPTIC SYSTEM UPGRADE PLAN, 7 TRENTON STREET, SOUTH
YARMOUTH, MA. PREPARED FOR BRENDAN McNAMARA, 230 RANCHO SANTA
FEv ROAD, CA., 92024." PREPARED BY ENGINEERING WORKS, INC., SCALE
1 =20. DATED 2/27/21.
"PLOT PLAN, PROPOSEDSEPTIC SYSTEM UPGRADE, PREPARED FOR MRS.
OE. , �j TRENTON0' STREET,
PLAN
SHAYTS
BYRCARMENLENE
D
SCALE DATED OCTOBERH6,M2006.REPARREVISE
SITE
OCTOBER 20, 2006.
SCALE: 1 " = 1 O ' 8.
9.
UTILITIES LOCATED BY DIGSAFE.
THIS DESIGN PLAN IS TO BE UTILIZED FOR THIS SEPTIC REPAIR ONLY.
10.
EXISTING SEPTIC COMPONENTS SHOWN PER 07-26-2021 SEPTIC INSPECTION.
B M = 9 9.2 9 ' (ASSUMED) 1 1
THEX MINIMAL FLOOD HAZARD ZONE
RTY LOCATED INOTED NE
PROPEPANEL
. .
25001 CO569JA DAIS
PER FIRM 7/16 '20 4
12.
ON P K NAIL SET
11
THE PROPERTY IS NOT LOCATED IN A GOR WP ZONE.
. . 13.
)FOR
THE PROPERTY IS NOT LOCATED IN ANZONE AREA CRITICAL ENV ORNMENTAL
CONCERN.
99 14.
THE PROPERTY IS NOT LOCATED IN A NATURA_ HERITAGE AND
ENDANGERED SPECIES PROGRAM AREA.
RECEIVED
OCT 10 2023
HEALTH DEPT.
PROPOSED SAS
-ive H-20 500 ggallon concrete
chambers in a 33'x32' "L—shaped"
leaching trench
#7 Trenton St
28/61
town water
P.K. NAIL SET
15SOIL EVALUATION TO BE PERFORMED BY SOIL EVALUATOR AT TIME OF INSTALI
.
VARIANCES
1.) 310CMR15.211/405.1.A— A variance is requested
to allow the proposed SAS to be constructed 1' to a
property line in lieu of the required 10'.
2.) 310CMR15.211/405.1.B— A variance is requested
to allow the proposed SAS to be constructed 10' to
to the existing cellar wall in lieu of the required 20'.
PROPOSED SEPTIC SYSTEM REPAIR
PREPARED FOR
T.L.H. EXCAVATION
AT
#5 TRENTON STREET
YARMOUTH, MA
PREPARED BY: A Per f'ec t En viror7men t L L C
dba
Geo—Cape Environmental Consultants
100 Independence Drive, Suite 7-623
Hyannis, MA 02601
Tel: 774-238-1813
Email: aperfectenvironment®gmail.com
SCALE: 1 "=10' DRAWN BY: TWH I DATE: 5 OCT 2023
DATUM: ASSUMED FILE: 5TRENTON 6BR I SHEET 1 OF 3
20" DIAMETER 04" PVC COUPLING
SECURED COVER TO
FINISHED GRADE (' 0'-2 1 /2" GAP (CAST IN BAFFLE)
' t
LIFT OUT
WLET INVERT TOD"
ELEV.- 95.30'
660 GALS
PUMP DETAIL
Not to Scale
ELEV.-98't
OLI LET P&M ELEV.-95.30'
�/'8- WEEP HOLE MM CHECK VALVE
(FREEZE PROTECTION)
2' SWING CHECK VALVE-P.Y.C.
HIGH WATER ALARM ELEV.-93.06'
PUMP ON ELEV.-92.89'
PUMP OFF ELEV.-92.W
FLOOR PUMP CHAMBER ELEV.-91.30'
PUMP MOTES & SPECIFICATIONS N
1. PROVIDE 1 LIBERTY MODEL LE 41A 4/10 hp, 115 VOLT,
SINGLE PHASE SUBMERSIBLE PUMP CAPABLE OF DISCHARGE
O O O
CAPACITY OF 125 GPM AT 5 FEET TDH, OR EQUAL.
PUMP SHALL BE CAPABLE OF PASSING
A MINIMUM SOLID SIZE OF 2" DIAMETER OR EQUAL.
2. USE LIBERTY SIMPLEX ELECTRIC
CONTROL PANEL OUTDOOR MOUNTED W/VISIBLE
ALARM OR EQUAL
3. PUMP SHALL BE INSTALLED IN STRICT COMPLIANCE
WITH MANUFACTURER'S SPECIFICATIONS.
4. ALARM SHALL CONSIST OF AUDIBLE SIGNAL &
RED WARNING LIGHT TO BE INSTALLED IN BUILDING
AND POWERED BY SEPARATE CIRCUIT FROM
CIRCUITS TO PUMP.
5. DOSE VOLUME=4 DOSES PER DAY= 660 GAL/4 DOSES=165 GAL./DOSE
6. ELECTRICAL PERMIT REQUIRED FOR ALARM & POWER TO PUMP.
7. ALL OUTDOOR CONNECTIONS TO BE SEALED WITHIN NEMA 4 ENCLOSURES
8. THE FORCE MAIN SHALL BE 3" DIA. SCH 40 PVC
WITH THRUST BLOCKS INSTALLED, AS NECESSARY.
9. INSTALL STAINLESS STEEL SLIDE RAIL SYSTEM
AND SIMPLEX DISCHARGE PIPING OR PULL CHAIN OR EQUAL.
ALL OUTLET PIPES FROM THE
DISTRIBUTION BOX SHALL BE
SET LEVEL FOR AT LEAST 2 FT.
PLAN —SECTION
t2" —'1 ,- CONCRETE COVER
3 - 5" OUTLET
KNOCKOUTS
—
OUTLET t 12" INLET
b" g"
3"
3"
CROSS SECTION
3 HOLE H-20 DISTRIBUTION BOX
NOT TO SCALE
129
,3 L
SAS LAYOUT- PLAN VIEW
%. l ,..
KNOCKOUTS
7'-211
5'-9"
INV IN
RECE�VE�
CCT 10 2023
HEp,LTH oepT•
(3) 08" OUTLET
KNOCKOUTS
5'-0"
LIQUID LEVEL
5'-6"
INV OUT
i
A.
*NOTE: ALL PIPES ARE TO BE 4" SCHEDULE 40 P.V.C.
Existing Dwelling
First Floo = Septic tank cover must be
within 6' of finished grade
WALLAR S = 0.02' ft
11'
Ex. Invert Elev, I
P=95.55'
Existing Invert elevations shall
The verified prior to installation work
Manhole covers must be
secured at finished grade
Instnil Zobd 'AfB�.
effluent Cee er '. eq.
6" OF 3/4"-11/2" STONE
PROPOSED
1,500/1000 GAL. H-20
SEPTIC TANK/PUMP CHAMBER
(SEE TANK DETAIL FOR TYPE
& DIMENSIONS)
SYSTEM PROFILE
Not to Scale 3 HOLE H-20
DiST. BOx
D-Box cover shall be
within 6" of finished grade
Finished grade over system=2% slope away
Provide 2" SCH 40 PVC tee on inlet
12" min
36" mo
III
av p< LEVEL FOR 2' S=0.01'
=95.80' P=95.1
6" OF 3/4"-11 /2" STONE
One chamber cover shall be
within 6" of finished grade
rmmarmMJt=®`
m m� m r CM
CONSTRUCTION NOTES 3/4"-1 Double— Stone H 20
1 . Contractor is responsible for Digso#e notification LEACHING CHAMBERS
and protection of all underground utilities and pipes.
2. The septic tank and distribution box shall be set
level on 6„of 3/4"-1 1 /2" stone. CROSS-SECTION
3. Bockfill should be clean sand or gravel with no
stones over 3" in size.
4. This system is subject to inspection during installation
by Geo—Cope Environmental Consultants.
5. The contractor shall install this system in accordance
with Title 5 of the Massachusetts Environmental Code
and local Board of Health Rules and Regulations.
6. if, during installation the contractor encounters any
soil conditions or site conditions that are different
from those shown on the soil log or in the design,
the installer shall halt installation and immediately notify
Geo—Cape Environmental Consultants.
7. No vehicle or heavy machinery shall drive over the
septic system unless noted as H-20 septic components.
8. All piping shall be 4" diameter SCH 40 PVC unless otherwise specified.
9. No wells are located within 150' of proposed SAS.
10. Provide one 2,500 gallon H-20 low profile septic tank/pump chamber,
one DB-3 H-20 distribution box, and five 500—goilon H-20 precost chambers
by Acme—Shorey Precast or equal.
11. Existing SAS shall be pumped and removed. All leochate impacted soil shall
be removed and replaced with fill meeting 310CMR15.255(3).
12. The designer is not responsible for undocumented septic components.
13. Soil evaluation to be performed by soil evaluator at time of installation.
13
Existing Grade = 99't
)ne chamber cover shall be
within 6" of —finished qrade
i a liftiiw
3/4"-1 " Double —Washed Stone
H-20
LEACHING CHAMBERS
Min. 2"-1/8"-1/2" Double -Washed Stone
or geo-textile (filter cloth
Too of SAS=95.42'::
24"
50'
Leash Facility Elev.=93.50'
5' Min. (5' Provided)
"Adjusted GW Elev=88.50'
GW elevation taken from monitoring well
at 7 Trenton St by E� i9 neerin Works, Inc.
Min. 2"-1/8"-1/2" Double —Washed Stone
or geo—textile filter cloth SAS LAYOUT A
1
Top of SAS Scale: 1 "=20' 0
CORNER DWELLING TO CORNER TANK/SAS O
Invert Elev. A-1 = 17'—B" B-1 = 38'-3"
A-2 = 23'-8" B-2 = 27'-6"
24" A-3 = 30'-6" B-3 = 27'-0" 2
01 Bottom of Leach Facility Elev. RECEIVE6 — 58 —2' B-4 = 20'-0"
B-5 = 20'-0"
C-4 = 56'-11"
4' C-5 = 27'-11"
OCT 10 2023
5' Min. EXISTING DWELLING O ?
HEALTH DEPT.. F
GW Elev. C � B
O
Design Calculations
Number of Bedrooms: 6 Equivalent to 660 Gal./Day
Garbage Disposal: Not allowed with this design
Septic Tank Capacity Required: 660 gpd x 200% = 1,320 gpd.
Septic Tank Capacity Provided: Proposed 2,500 gallon H-20
septic tank/ pump chamber
Leaching Capacity Required: 660 gpd / LTAR= 891 SF Req'd Area
LTAR for Class I soil at <5 min./inch = 0.74 gal/sq. ft.
Proposed Leaching Structure: One 33'x32' "L"—shaped trench
Bottom Leaching Area Provided = 636 sq.Ft.
Sidewall Leaching Area Provided = 260 sq. ft.
Total Leaching Area Provided = 896 sq. ft. > 891 sq. ft req'd.
Leachina Capacity Provided =896 sq. ft X 0.74 gal/sq.ft.=663 gpd
O O O
0
PROPOSED SEPTIC SYSTEM REPAIR
PREPARED FOR
T.L.N. EXCAVATION
AT
#5 TRENTON STREET
YARMOUTH, MA
PREPARED BY: A Per Fec t Environment L L C
dbo
Geo—Cape Environmental Consultants
100 Independence Drive, Suite 7-623
Hyannis, MA 02601
Tel: 774-238-1813
Email: aperfectenvironment®gmoil.com
SCALE: 1 "=10' DRAWN BY: TWH DATE: 5 OCT 2023
DATUM: ASSUMED FILE: 5TRENTON 5BF SHEET 2 OF 3