HomeMy WebLinkAbouttight tank plan 9.7.2021NOTES
LEGEND
99 ---
EXISTING CONTOUR
X 99. /
EXIST. SPOT ELEV.
-[99]-
PROPOSED CONTOUR
198.41
PROPOSED SPOT EL.
TH1
TEST HOLE
27-,
SLOPE OF GROUND
CTI-)
UTILITY POLE
FIRE HYDRANT
NOTE: NOT ALL SYMBOLS MAY APPEAR IN DRAWING
Yarmouth Conservation Conditions:
1. A hard copy of the plan shall be provided to the Conservation
Administrator for review. An electronic copy of the final plan shall
be provided to kgrant@yarmouth.ma.us.
2. The proposed sewage disposal system shall meet the applicable
Title 5 wetlands setbacks as set forth by the Health Department.
3. A "work limit" line shall be established with Erosion Controls (i.e
straw bales, staked filter fabric, bark mulch, "silt sacks," products
made with rice straw, and other weed -free products or approved by
the Commission.) Hay bales are not allowed. It is the applicant's
responsibility to implement and maintain appropriate and adequate
erosion controls measures throughout the construction process.
4. No work of any kind shall occur on the Resource Area side of the
work limit line. This line shall be established prior to any
construction or work.
5. All imported fill shall be clean and not contain any foreign debris
such as cement, bituminous concrete, rubber, metal, trash,
boulders, etc.
6. Debris, including litter, shall be picked up immediately. Any excess
material that is excavated from the job site shall be disposed of at
a location approved by the Conservation Administrator or in a
covered dumpster. No debris shall be allowed in a Wetland or
Waterway.
7. Washing of equipment/tools shall be done OFF -SITE or handled in
a manner approved by the Conservation Administrator.
8. No equipment shall be refueled, nor shall fuel be stored within 100
feet of a resource area.
9. The cesspool is to be pumped dry, the connection broken, and
filled with clean sand.
10. Any area that is disturbed during construction shall be revegetated
immediately or as soon after as the growing season commences.
Permanent stabilization shall be carried out in order to minimize erosion.
TEST HOLE LOGS
ENGINEER: DAVE MASON
WITNESS: MALLORY LANGLER
DATE: 2/24/21
PERC. RATE _ < 2 MIN/INCH
CLASS I SOILS
PEF
4 ELEV.
1
0 6.5'
GROUNDWATER ADJ. DATA:
WELL: MIW 29
ZONE: B
ADJUSTMENT: 2.8' (FEB. '21)
120 I -3.5'
G.W. ENCOUNTERED AT EL. 4.5'
DEC
DCE #21-208
SYSTEM DESIGN:
GARBAGE DISPOSER IS NOT ALLOWED
DESIGN FLOW: 3 BEDROOMS @ 110 GPD = 330 GPD
USE A 330 GPD DESIGN FLOW
TIGHT TANK: 330 GPD (5) = 1650
MIN. 2000 GAL TIGHT TANK CAPACITY REQUIRED
USE A H-20 3000 GAL TIGHT TANK
APPROVED DATE BOARD OF HEALTH
TEST HOLE LOGS
ENGINEER: RON CADILLAC
WITNESS: BRUCE MURPHY
DATE: 7/6/05
PERC. RATE _ < 2 MIN/INCH
CLASS I SOILS
0"
62"
76„
102"
PERC
150"
3A
FI LL
E
LS
5Y 3/1
PEAT
C
LS
5YR 4/5
ELEV.
8.0'
1.67'
-0.5'
-4.5'
G.W. ENCOUNTERED AT EL. 3.42'
4.
BUOYANCY CALCS:
H-20 3000 GAL. ST WEIGHS 37,000 LBS
6.0' x 17.0 x 7.0 X 62.4 = 44,554 LBS UPLIFT
ADDITIONAL POURED CONCRETE BALLAST IS REQUIRED
(44,554 LBS - 37,000 LBS=7554 LBS @150LBS/CF =
50.4 CF REQUIRED)
MA ADD 51 CF CONCRETE BALLAST
SYSTEM PROFILE
(NOT TO SCALE)
ADD A MINIMUM OF 51 CF
POURED CONCRETE FOR
BALLAST OVER THE TOP
AND SIDES; MAINTAIN ALL
EXISTING TOF EL. 8.7' ACCESS COVERS
MINIMUM .75' OF
COVER OVER PRECAST
.5'f*
*NOTE: INTERIOR PLUMBING TO BE RAISED AND RE-ROUTED
TO EXIT THE DWELLING IN LOCATION SHOWN ON PLAN VIEW.
PLUMBER TO CONFIRM FEASIBILITY PRIOR TO INSTALLING ANY
PORTION OF THE SEPTIC SYSTEM
1
FOUNDATION
INV. IN 6.3
ALARM ON
3000 GAL. H-20 S/T
3/5 TOTAL CAPACITY
31"
NORMAL HIGH WATER LEVEL ALARM
(AUDIBLE AND VISUAL) TO BE SET FOR
3/5 OF SYSTEM CAPACITY, ALARM AND
PRESS TO SILENCE SWITCH ON PANEL
NSIDE BUILDING. LOW VOLTAGE FLOATS,
SIMPLEX PANELS, MEYERS OR EQUAL.
PROP. 24" 0 CAST
IRON WATERTIGHT
COVER TO GRADE
8.3'
��%� 7.55'
//
7.3' ADJUSTED
7 GROUNDWATER
EL. 1. 3'
000 000 00> 0 0 0000 6" CRUSHED STONE OR MECHANICAL
COMPACTION. (15.221 [2])
TIGHT TANK
( 2 y. SLOPE)MIN. (NOT TO SCALE)
WATERPROOF/WATERTIGHT
10' TIGHT TANK
BEDROOM
BEDROOM
SUNROOM
KITCHEN I BATH
DINING
ROOM
LIVING
ROOM
EXISTING
FLOOR PLAN
BEDROOM
OF 4fA,
DANIELA
o OJILA�
CIVIL
a No.46502
0
1. DATUM IS NAVD 88
2. MUNICIPAL WATER IS EXISTING
3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT.
4. DESIGN LOADING FOR ALL PROPOSED PRECAST
UNITS TO BE AASHO H-?a
5. PIPE JOINTS TO BE MADE WATERTIGHT.
6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE
WITH 310 CMR 15.000 (TITLE 5.)
7. THIS PLAN IS FOR PROPOSED WORK ONLY AND
NOT TO BE USED FOR LOT LINE STAKING OR ANY
OTHER PURPOSE.
8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC.
9. COMPONENTS NOT TO BE BACKFILLED OR
CONCEALED WITHOUT INSPECTION BY BOARD OF
HEALTH AND PERMISSION OBTAINED FROM BOARD
OF HEALTH.
10. CONTRACTOR SHALL BE RESPONSIBLE FOR
CALLING DIGSAFE (1-888-344-7233) AND
VERIFYING THE LOCATION OF ALL UNDERGROUND &
OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF
WORK.
11. EXISTING LEACHING FACILITY SHALL BE PUMPED
AND REMOVED OR PUMPED AND FILLED WITH CLEAN
SAND.
12. INSTALLER TO VERIFY THE ELECTRICAL SYSTEM
IS SUITABLE FOR ALARM CONNECTION. ELECTRICAL
PERMIT REQUIRED.
13. DEWATERING REQUIRED FOR INSTALLATION OF
TIGHT TANK. PROVIDE SILT CONTAINMENT AS
NECESSARY.
14. WHEN SEWER SYSTEM BECOMES AVAILABLE, THE
OWNER SHALL CONNECT TO SEWER AND TIGHT
TANK SYSTEM SHALL BE ABANDONED/REMOVED.
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DATE DANIEL A. OJALA, P.E., P.L.S.
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LOCUS MAP
SCALE 1"=2000'f
ASSESSORS MAP 22 PARCEL 180
LOCUS IS WITHIN FEMA FLOOD ZONE
AE (EL. 11) AS SHOWN ON
COMMUNITY PANEL #25001 CO588J
DATED 7/16/2014
TIGHT TANK NOTES:
AN OPERATIONS AND MAINTENANCE PLAN WILL
BE REQUIRED FOR THE LIFE OF THE SYSTEM.
ALARM TO ACTIVATE AT 3/5 HOLDING
CAPACITY. TANKS TO BE PUMPED AS
REQUIRED AND ALARM TO BE INSPECTED 1
TIME PER YEAR.
TIGHT TANK SHALL BE DESIGNED AND
INSTALLED IN ACCORDANCE WITH 310 CMR
15.260, AS AMENDED.
VARIANCES REQUESTED:
UNDER MAX. FEASIBLE COMPLIANCE 15.405:
(1j) REDUCTION OF THE REQUIREMENT OF A 12 INCH
SEPARATION BETWEEN THE INLET AND OUTLET TEES
AND HIGH GROUNDWATER. (12" to 0")
(PROVIDE WATERTIGHT BOOTS)
a.n m�, �„ I i uIII' lill. i i ni i I I �.r, Ili i.,i i unvo ��i �•�� II II �� III �':
I'' I
31 BAYBERRY RD.
WEST YARMOUTH, MA
PREPARED FOR
YANA VILENCHIK
DATE: SEPTEMBER 7, 2021
Scale:1 "= 20'
0 10 20 30 40 50 FEET
off 508-362-4541
fax 508-362-9880
downcope.com
down cape engineering, inc.
civil engineers
land surveyors
939 Main Street ( Rte 6A)
YARMOUTHPORT MA 02675
21-208 VILENCHIK.DWG