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1.
DIG A 6" TRENCH ON THE UPHILL SIDE OF
THE BARRIER LOCATION.
2.
POSITION THE POSTS ON THE DOWNHILL SIDE
OF THE BARRIER AND DRIVE THE
OU 1 -547.7
POST 1.5 FEET INTO THE GROUND.
IN[ ILTRATOR=546.2
3.
LAY THE BOTTOM 6" OF THE FABRIC IN THE
TRENCH TO PREVENT UNDERMINING
AS WITNESSED BY THE UNCAS HEALTH DISTRICT
AND BACKFILL.
TEST HOLE #640A
4.
INSPECT AND REPAIR BARRIER AFTER HEAVY
RAINFALL.
5.
SEDIMENT DEPOSITS ARE TO BE REMOVED WHEN THEY REACH A HEIGHT OF ONE
38"-97" GRAY COMPACT GRAY SANDY TILL
FOOT BEHIND THE BARRIER AND ARE TO BE
DEPOSITED IN AN AREA WHICH IS
0"-7" TOPSOIL & ROCKS
NOT REGULATED BY THE INLAND WETLANDS
COMMISSION.
6.
INSPECTIONS AND NECESSARY REPAIRS WILL
BE MADE TWICE WEEKLY.
TEMPORARY VEGETATIVE
COVER
A TEMPORARY SEEDING OF RYE GRASS WILL BE COMPLETED WITHIN 15 DAYS OF THE FORMATION
OF STOCKPILES, IF THE SOIL IN THE STOCKPILES HAS BEEN COMPACTED BY CONSTRUCTION
OPERATIONS IT SHALL BE LOOSENED TO A DEPTH OF 2 INCHES BEFORE THE FERTILIZER, LIME AND
SEED IS APPLIED. 10-10-10 FERTILIZER AT A RATE OF 7.5 POUNDS PER 1000 S.F.
LIMESTONE AT A RATE OF 90 LBS. PER 1000 S.F. SHALL BE USED. RYE GRASS APPLIED AT A
RATE OF 1 LB. PER 1000 S.F. SHALL PROVIDE THE TEMPORARY VEGETATIVE COVER, STRAW
FREE FROM WEEDS AND COARSE MATTER SHALL BE USED AT A RATE OF 70-90 LBS. PER 1000 S.F.
AS A TEMPORARY MULCH. APPLY MULCH AND DRIVE TRACKED EQUIPMENT UP AND DOWN SLOPE OVER
ENTIRE SURFACE SO CLEAT MARKS ARE PARALLEL TO THE CONTOURS.
PERMANENT VEGETATIVE COVER
TOPSOIL WILL BE REPLACED ONCE THE EXCAVATION HAS BEEN COMPLETED AND THE SLOPES ARE
GRADED TO A SLOPE NO GREATER THAN 2.5 TO 1. PROVIDE SLOPE PROTECTION ON ALL CUT SLOPES.
TOPS01L WILL BE SPREAD AT A MINIMUM COMPACTED DEPTH OF 4 INCHES. ONCE THE TOPSOIL HAS
BEEN SPREAD, ALL STONES TWO INCHES OR LARGER IN ANY DIMENSION WILL BE REMOVED AS WELL AS
DEBRIS, APPLY AGRICULTURAL GROUND LIMESTONE AT THE RATE OF TWO TONS PER ACRE OR 100 LBS.
PER 1000 S.F. APPLY 10-10-10 FERTILIZER OR EQUIVALENT AT A RATE OF 300 LBS, PER ACRE OR
7.5 LBS. PER S.F. WORK LIMESTONE INTO THE SOIL TO A DEPTH OF 4 INCHES. INSPECT SEEDBED
BEFORE SEEDING, IF TRAFFIC HAS COMPACTED THE SOIL, RE -TILL COMPACTED AREAS. APPLY THE
FOLLOWING GRASS SEED MIX:
KENTUCKY BLUEGRASS 20 0.45
CREEPING RED FESCUE 20 0.45
PERENNIAL RYEGRASS 5 0.10
45 1.00
THE RECOMMENDED SEEDING DATES ARE:
APRIL 1 - JUNE 15 AND AUGUST 1 - SEPTEMBER 15
FOLLOWING SEEDING, FIRM SEED BED WITH A ROLLER. MULCH WITH WEED FREE STRAW
IMMEDIATELY FOLLOWING SEEDING. IF A PERMANENT VEGETATIVE STAND CANNOT BE ESTABLISHED
SUBDIVISION PLAN, ALLISON'S WAY SUBDIVISION, PREPARED
FOR RTT
DEVELOPMENT, INC., CHAPEL HILL ROAD & FORSYTH ROAD,
MONTVILLE,
CT, PREPARED BY CME/CPK DESIGN GROUP, 110 BROADWAY, NORWICH,
CT, DATED: 1/01/03, REVISED TO: 6/20/2003.
OU 1 -547.7
TEST HOLE DATA
IN[ ILTRATOR=546.2
PER REFERENCE PLAN
PERFORMED ON 12/16/03
TEST HOLE #638
AS WITNESSED BY THE UNCAS HEALTH DISTRICT
0"-9" TOPSOIL & ROCKS
TEST HOLE #640A
9"-48" BROWN SANDY LOAM W/ BOULDERS
0"-7" TOPSOIL & ROCKS
NO LEDGE, WATER 0 5", NO MOTTLING
7"-38" BROWN SANDY LOAM
38"-97" GRAY COMPACT GRAY SANDY TILL
TEST HOLE #639
NO LEDGE, NO WATER, MOTTLING CSD 38"
0"-7" TOPSOIL & ROCKS
7"-39" BROWN SANDY LOAM
TEST HOLE #64OB
39"-87" GRAY TO TAN SILTY SAND W/ROCKS
0"-8" TOPSOIL & ROCKS
NO LEDGE, WATER 017", MOTTLING CSD 39"
8"-39" BROWN SANDY LOAM
39"-90" GRAY COMPACT GRAY SANDY TILL
TEST HOLE #640
NO LEDGE, NO WATER, MOTTLING CSA 39"
0"-7" TOPSOIL & ROCKS
7"-39" BROWN SANDY LOAM
TEST HOLE #641 A
39"-88" COMPACT GRAY SILTY SAND W/ROCKS
0"-4" TOPSOIL & ROCKS
NO LEDGE, WATER ® 20", MOTTLING 0 39"
4"-32" BROWN SANDY LOAM
32"-105" GRAY COMPACT SANDY TILL
TEST HOLE #641
NO LEDGE, WATER 0 32", MOTTLING 0 32"
0"-3" TOPSOIL & ROCKS
3"-39" BROWN SANDY LOAM
TEST HOLE #641B
39"-95" COMPACT GRAY SILTY SAND W/ROCKS
0"-4" TOPSOIL & ROCKS
NO LEDGE, WATER 0 21", MOTTLING @ 39"
4"-35" BROWN SANDY LOAM
35"-99" GRAY COMPACT SANDY TILL
TEST HOLE #635A
NO LEDGE, WATER ® 23", MOTTLING CSD 33"
0"-1" TOPSOIL
1"-38" BROWN SANDY LOAM
TEST HOLE #641C
38"-84" COMPACT GRAY SILTY SAND
0"-4" TOPSOIL & ROCKS
NO LEDGE, WATER 0 24", MOTTLING ® 38"
4"-32" BROWN SANDY LOAM
32"-94" GRAY COMPACT SANDY TILL
TEST HOLE #636A
NO LEDGE, WATER ® 26", MOTTLING ® 31 "
0"-2" TOPSOIL
2"-27" BROWN SANDY LOAM
PERCOLATION RATE: 16 MIN/INCH
27"-92" COMPACT GRAY SILTY SAND
AS RECORDED BY THE UNCAS HEALTH DISTRICT
NO LEDGE, WATER CSD 28", MOTTLING ® 34"
TEST HOLE #637_ A
0"-4" TOPSOIL
4"-26" BROWN SANDY LOAM
26"-92" COMPACT GRAY SILTY SAND
NO LEDGE, WATER ® 28", MOTTLING ® 34"
TEST HOLE #6358A
0"-5" TOPSOIL
5"-38" BROWN SANDY LOAM
38"-93" COMPACT GRAY SILTY SAND
NO LEDGE, WATER ® 24", MOTTLING CSD 38"
LOT #43/9- 018
PROPERTY LINE '
1
PROPOSED 4
BUILDING BEDROOM RESIDENCE
SETBACK LINE = �'
` � D
12' DRIVE o o'
OB 1 TH#638, m
_7A
R.1
----- ��, TEMP.
�B
4itPJC'v50TH#6V30n
�.
j
AREA
H
#640 01 �
SF F.F.
D-BO�, #2 TH 5A 55.0 f
TH#63$ p
- D - Box \# 1 (U. J ,
REVERSE ! z
LOT 3/9 019 TH#641A f cin
�' 10 L.F. 4" PVC
01
TH#s41 SDR, 35 1 1
TH#639 INSTALL TH#641 B
'\
SILTFENCE�
i' 1,500 GAL. l`
CONNECT FOUNDATION DRAIN SEPTIC TANK 27 L.F. 4" PVC
\ TO EXISTING CATCH BASIN INV. IN=549.50 SCHEDULE 40
1 4" SOLID PVC SCHEDULE 40 INV. OUT=549.25 INV.=550.5
W/ GASKETED COMPRESSION
JOINTS (SEE NOTE 9) LOT #43/9-020
40' 0 40' 80'
SCALE: 1 "=40'
D -BOX # 1 - REVERSED
INV.
IN --`)47.5
INV.
DISI -.=547.5
INV.
OU 1 -547.7
BOT.
IN[ ILTRATOR=546.2
D -BOX #2
INV.
IN=546.7
INV.
DIST=546.7
BOT.
INFILTRATOR=545.7
11,_0„
8" TYP. 2 PLACES
I" /\1Y rT -,- ---
Q
T 6...1 - r.V-%. - r1rC 3G4FAL
TYP. 3 PLACES
PLAN VIEW
PERCOLATION RATE
INFORMATION PROVIDED PER REFERENCE PLAN
PERCOLATION RATE: LOT #43/9-021=10.4 MIN/INCH
DESIGN DATA
PERCOLATION RATE = 10.1-20 MIN./INCH
4 BEDROOM RESIDENCE REQUIRES 900 SF OF LEACHING AREA
PROVIDE 250 L.F. OF HIGH CAPACITY INFILTRATOR UNITS
2 ROWS OF 125 L.F. AT 9' O.C.
EFFECTIVE LEACHING AREA = 250 LF x 3.9 SF/LF = 975 SF
PROVIDE 1,500 GAL. 2 -COMPARTMENT TANK
M.L.S.S. REQUIRED = 34 x 2.0 x 1.5 = 102 L.F.
M.L.S.S. PROVIDED = 125 L.F.
PREPARE AREA OF PROPOSED SYSTEM AS FOLLOWS
1. REMOVE AND STOCKPILE TOPSOIL.
2. PLACE BANK RUN GRAVEL (LESS THAN 5% FINES) PLACED IN
6" LIFTS AND COMPACTED TO 95%4 DENSITY.
3. EXCAVATE 4' WIDE TRENCHES AND PREPARE SURFACE.
4. FILL TRENCHES WITH 1" WASHED STONE TO HEIGHT OF PIPE INVERTS
PLACE PIPE IN TRENCH, AND FILL TO 2" OVER TOP OF PIPE.
5. CAP ENDS OF PIPES.
6. PLACE A 4' WIDE STRIP OF NON -WOVEN FILTER FABRIC ON TOP OF
THE ENTIRE LENGTH OF THE SYSTEM AND BACKFILL WITH NATIVE MATERiAL.
7. REPLACE TOPSOIL, SEED & MULCH.
r
�C) MAXIMUM
I
POST
WIRE MESH
FENCING
COMPACTED BACKFILL AFTER ---�
PLACEMENT OF SILT FENCE
SILT FENCE DETAIL
NOT TO SCALE
FILTER FABRIC
12"
BANKRUN --�
GRAVEL 11 " 16"
�- 3"
2'-10"
HIGH CAPACITY INFILTRATOR
NOT TO SCALE
24"DIA. 24"DIA.
6" COVER COVER
18" 6"
20"
INLET
BAFFLE
' 6" WALLS " _ OUTLET
- LIQUID - �- FILTER
OUTLET d" LEVEL DEVICE
4" L. P. P.V.C. 6" -
PIPE SEAL
CROSS SECTION VIEW
1,500 GALLON SEPTIC TANK
NOT TO SCALE
14o. I Date
GENERAL NOTES
1. TOPOGRAPHIC INFORMATION ON THIS PLAN COMPLIES WITH T-2 MAPPING
STANDARDS.
2. BASE FOR LEVELS: SUBDIVISION MAP.
3. PROPOSED HOUSE AND SEPTIC SYSTEM TO BE STAKED IN THE FIELD BY
A LAND SURVEYOR LICENSED IN THE STATE OF CONNECTICUT.
4. LOT AREA = 1.28t ACRES
5. ALL WORK AND MATERIAL (SEPTIC TANK, DISTRIBUTION BOX, PIPE)
SHALL CONFORM TO THE CONNECTICUT PUBLIC HEALTH CODE
REGULATIONS AND STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL
SYSTEM.
6. SEWER LINE FROM FOUNDATION WALL TO SEPTIC SHALL BE 4"
SCHEDULE 40 PVC - ASTM D 1785 AND JOINTS PER HEALTH DEPT. CODE.
7. TRENCHES SHALL BE SET LEVEL FOR ENTIRE LENGTH AND HAVE A
CENTER TO CENTER SPACING OF 9 FEET.
8. PIPE FROM SEPTIC TANK TO DISTRIBUTION LINES SHALL BE 4" SOLID
PVC CONFORMING TO ASTMD-3034 AND SDR -35.
9. FOUNDATION DRAIN PIPE FROM HOUSE TO OUTLET SHALL CONFORM
TO TABLE 2-C OF THE CONNECTICUT PUBLIC HEALTH CODE REGULATIONS
AND STANDARDS FOR INSTALLATION WITHIN 25 FEET OF A SEWAGE DISPOSAL
SYSTEM.
10. THERE ARE PRESENTLY NO KNOWN WATER WELLS WITHIN 75' OF THE
PROPOSED SEPTIC SYSTEM.
11. A VERTICAL BENCHMARK WILL BE PROVIDED WITHIN 100 FEET OF ;THE
PROPOSED HOUSE LOCATION PRIOR TO THE START OF CONSTRUCTION.
12. CLEAR AND GRUB THE AREA WHERE THE SEPTIC SYSTEM AND HOUSE ARE
TO BE CONSTRUCTED, ALL TOPSOIL IS TO BE STRIPPED AND STOCKPILED
FOR FUTURE USE.
13. ALL FILL MATERIAL SHALL BE CLEAN EARTH FREE OF STUMPS„ ORGANICS,
CONSTRUCTION DEBRIS AND TOPSOIL.
14. TOPSOIL SHALL BE RE-APPLIED OVER ALL FILL AREAS AND ALL DISTURBED
AREAS TO PROVIDE A MINIMUN DEPTH OF FOUR INCHES.
15. ALL EXISTING UTILITIES TO BE ACCURATELY LOCATED PRIOR TO CONSTRUCTION.
16. IF BLASTING IS REQUIRED A PRE -BLAST SURVEY WILL BE REQUIRED.
CALL BEFORE YOU DIG: 1-800-922-4455.
i • r
1�`1W,NNN`�����
6" CRUSHED GRAVEL
(COMPACTED) 12" GRAVEL _J
(COMPACTED)
BITUMINOUS DRIVE
NOT TO SCALE
4" TOPSOIL
+�+•�� • • � • •• + • �• +'•�•�� �•� ` � • � +'•moi
��•Z+Z����+ +••• * +• tom+ • •� • •• i � •� • • ai r'�_•i
4" CLEAN FILL--"'
LOAM & SEED CROSS-SECTION DETAIL
NOT TO SCALE
w
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� 0 m No. 20847
�t�a�ra
-480-
1 V_0" 480-
LEGEND
PROPERTY LINE
SETBACK LINE
- - - EXIST. CONTOURS
EDGE OF ROAD
EDGE OF DRIVEWAY
r- 7 PRIMARY SEPTIC SYSTEM
L- RESERVE SEPTIC SYSTEM
-84 PROPOSED CONTOUR LINE
CLA Engineers, Inc.
1 CIVIL •STRUCTURAL •SURVEYING
317 Main Street Norwich, Connecticut
Revision (860) 886-1966 Fax (1360) 886-9165
RTT Development, Inc. PrCLA t 3186
Proj. Engineer
ALLISON'S WAY SUBDIVISION L.M.S.
#9 ALLISON'S WAY Da 1,/'13/U4
MONTVILLE, CT Sheet No.
rr
Septic Design - Lot #43/9-019