592 Perc Test Results 4-2021Soil Log
Observation Hole: 1 Elevation 97.5'
Depth Horizon
Texture
Color
Redox Features
01.-18" A
Ifs
10YR 313
None
18"-36" Bw
gs
10YR 516
None
36"-60" C
gs
10YR 414
5% 7.5YR 518 @ 44"
60"-84+" C2
fs
2.5Y 414
5% 2.5Y 612 # 50"
Estimated Seasonal High Water Table @ 70". Elevation at Test Pit = 91.67'.
Soil Evaluator: M.
Spokas
feet
Depth of Tank:
Witness: J. Gracia
feet
Dry Weight of Reinforced Concrete:
150
Date: April 20, 2021
Two Compartment Tank?
no
Proposed Location
of new Bathrooms
Inlet Invert
Elev. = 99.0'
Sewer pipe will exit below floor
and Frost Wall
Invert Elev.= 99.0' Alarm Float
set 31 ' above
t Tank Bottom
Tight Tank Inlet
Invert Elev. = 95.41" _
90" Sch. 40
Outlet Invert PVC Tee
Elev. = 97.83'
° "° 6" bed of Stone "p o0
Proposed _ _
Bathrooms �— 50 'I D -sox �� 60.0'T� 2000 Gallon Tight Tank
"41 f
TBM Top of Slab at Corner \ ,•�"A✓
Proposed D -Box
0 NO. 1, r
to serve as a cleanout
O
Existing Winery
Proposed Tight Tank
Deep Observation Hole
Existing Out Building
Littletree
Environmental
Consulting
P.O. Box 503
Chesterfield, MA 01012
Phone: (413) 537-0344Z_� .
Bouyancy Calculations
Water Table Elevation:
91.67
feet
Bottom of Tank Elevation:
90.83
feet
Pipe Invert:
95.41
Elevation
Weight of Tank:
16000
lbs.
Soil Above the Tank:
0 inches
Submerged Weight of Tank:
90
lbs./cu.ft.
Length of Tank:
12 feet
Width of Tank:
6.5
feet
Depth of Tank:
5.7
feet
Dry Weight of Reinforced Concrete:
150
lbs.lcu.ft
Two Compartment Tank?
no
J
y
Submerged Depth, 0.84 1 feet
Displaced Volume: 65.52 cubic feet
Weight of Tight Tank: 16000 lbs
Weight of Soil Above Tank: 0 jibs
Uplift Created by Submerged Tank: 4088 lbs
it Weight of Tank and Soil Above Tank: 16000 11bs
Minimum Volume of Concrete Needed: 0 cu, ft
There is No Flotation Occurring
Construction Notes:
1. Design is for the installation of a Tight Tank for a seasonal cottage as per 310 CMR15260(8).
2. The facility owner shall record in the chain of title for the property at the Registry of Deeds a copy of the
Board of Health's written approval of this Tight Tank.
3. All construction must be in strict compliance with Title 5 of the State Environmental Code.
4. Contact the Designer prior to the start of construction so that final inspection arrangements can be made.
5. Designer must be contacted if sitelsoiI conditions encountered are inconsistent with those shown on the
plan.
6. Audio and visual alarms shall be set to activate at 315 tank capacity (1200 gallons or 31" above tank
bottom). Audio and visual alarms should be powered by separate circuits so that alarm may be turned off,
but light remains on.
7. Tank should be pumped yearly, or as needed by a licensed pumper. Tank should NOT be empty through
the winter. Septage removed must be disposed of at a sewage treatment plant.
8. Set Tight Tank on a 6" bed of stone to prevent settling.
9. Field Verify distances to all property lines prior to the start of construction and observe all local setback
requirements.
10. Contractor is responsible for all horizontal and vertical control.