HomeMy WebLinkAboutPlanFILTER BARRIER INSTALLATION &MAINTENANCE
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
POST 1.5 FEET INTO THE GROUND.
3. LAY THE BOTTOM 6" OF THE FABRIC IN THE TRENCH TO PREVENT UNDERMINING
AND BACKFILL.
4. INSPECT AND REPAIR BARRIER AFTER HEAVY RAINFALL.
5. SEDIMENT DEPOSITS ARE TO BE REMOVED WHEN THEY REACH A HEIGHT N
FOOT BEHIND THE BARRIER AND ARE TO BE DEPOSITED IN AN AREA WHICH IS
NOT REGULATED BY THE INLAND WETLANDS COMMISSION.
6. INSPECTIONS AND NECESSARY REPAIRS WILL BE MADE TWICE WEEKLY.
TEMPORARY VEGETATIVE COVER
6" SOIL COVER
(MIN.)
2 "
12"
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.
TOPSOIL 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, RETILL COMPACTED AREAS. APPLY THE
FOLLOWING GRASS SEED MIX:
SEED MIXTURE-LBS./ACRE LBS./1000 S.F.
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
ALUSON'�
WAY
NON -WOVEN FILTER FABRIC
OVER STONE
4" PVC PERFORATED PLASTIC
DISTRIBUTION PIPE (ASTM D 3033)
ONE INCH CLEAN BROKEN
STONE OR SCREENED GRAVEL
INVERT
6"
48" WIDTH _
r-`
18"
MOTTLING
LINE
12" x 48" LEACHING TRENCH
NOT TO SCALE
FILTER FABRIC [_q*1 0' �MAXIMUM
-- r
POST
- - - - - - - --- -
COMPACTED BACKFILL AFTER
PLACEMENT OF SILT FENCE
SILT FENCE DETAIL
NOT TO SCALE
MAP REFERENCE
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.
TEST HOLE DATA
PER REFERENCE
PLAN
TEST HOLE 1646
0"-2" TOPSOIL
& ROCKS
2"-31" BROWN
SANDY LOAM
31"-102" COMPACT GRAY SILTY SAND W/ROCKS
NO LEDGE, NO
WATER, MOTTLING 0 31"
TEST HOLE #647
0"-2" TOPSOIL
& ROCKS
2"-37" BROWN
SANDY LOAM
37"-80" GRAY
TO TAN SILTY SAND W/ROCKS
NO LEDGE, NO
WATER, NO MOTTLING
TEST HOLE #648
0"-3" TOPSOIL
& ROCKS
3"-33" BROWN
SANDY LOAM
33"-112" COMPACT GRAY SILTY SAND W/ROCKS
NO LEDGE, NO
WATER, MOTTLING 0 33"
TEST HOLE X649
0"-3" TOPSOIL
& ROCKS
3"-34" BROWN
SANDY LOAM
34"-84" GRAY
TO TAN SILTY SAND W/ROCKS
NO LEDGE, NO
WATER, NO MOTTLING
WIRE MESH
FENCING
LOT #43/9-020
11'-0"
8" TYP. 2 PLACES
A" AP I@ rT Tir-� -s r�� ♦ori.
.11, [7 = a iMmIll
a L
INFORMATION PROVIDED PER REFERENCE PLAN
PERCOLATION RATE: LOT #43/9-021= 6.9 MIN/INCH
DESIGN DATA
PERCOLATION RATE = 1.0-10 MIN./INCH
4 BEDROOM RESIDENCE REQUIRES 660 SF OF LEACHING AREA
PROVIDE 255 L.F. OF 12" x 48" STONE LEACHING TRENCH
3 ROWS OF 75 L.F. AT 9' O.C.
EFFECTIVE LEACHING AREA = 225 LF x 3.0 SF/LF = 675 SF
PROVIDE 1,500 GAL. 2 -COMPARTMENT TANK
M.L.S.S. REQUIRED = 30 x 2.0 x 1.2 = 72 L.F.
M.L.S.S. PROVIDED = 75 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% 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.
FOUNDATION DRAIN PROPERTY UNE
4" SOLID PVC BUILDING ! I
SCHEDULE40 W GASKETED SETBACK LINE
COMPRESSION JOINTS I l
NO STONE (SEE NOTE 9)
INV.=544.0I.J
i
66
_-- �12' DRIVE / \
LOT #43/ 021
ti TH#649
s
v r�SLA8= AR 77
554.00 j + /
TH# 7 � r;� Op
TAMP. ��
o ' L TH#648 \� 5�5 6 > 1
TOCKPILE i
AREA �'�s I� PR POSED 4 1
BE ROOM ,W!�IDENCE
INSTALL
SILTF ENCE
SF -j SF S SF SF-- --
Dj- BOX #3 "
30 L.F. 4 PVC
1 ' /
D -60X2 SCHEDULE 40 REVERSED INV -551 0
D -Box #1'J
REVERSED
14 L. F. 4" PVC
SDR 35
TYP. 3 PLACES
PLAN VIEW
INLET
kFFLE
P.V.C.
EAL
6"�
24"DIA.
COVER
24"DIA.
COVER
1,500 GALLON SEPTIC TANK
NOT TO SCALE
1,500 GAL.
SEPTIC TANK
INV. I N = 549.40
INV. OUT= 549.65
40' 0 40' 80'
SCALE: 1 "= 40'
LOT #43/9-022
CROSS SECTION VIEW
D -BOX 91 - REVERSED
INV.
IN=549.2
INV.
DIST.=549.2
INV.
OUT=549.4
BOT.
TRENCH=548.7
D -BOX #2 - REVERSED
INV.
IN=548.7
INV.
DIST.=548.7
INV.
OUT=548.9
BOT.
TRENCH=548.2
D -BOX
,#3
INV.
IN=548.4
INV.
OUT=548.2
BOT.
TRENCH=547.7
OUTLET
FILTER
DEVICE
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 UNE 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.
HOT BITUMINOUS PAVEMENT
1" WEARING COURSE
2" BASE COURSE 4" LOAM
AND SEED
6" CRUSHED GRAVEL --J 12" GRAVEL
(COMPACTED) (COMPACTED)
BITUMINOUS DRIVE
NOT TO SCALE
4" TOPSOIL
r •iso•.• • • iii`• • • �• •►•ij• ••• ' • • �•`�•
�iii•iii••i i• �� �•i .i • • • •i�ii� • • • �• i• i ' � •i •
i��i��i• �••� �1•i•• •••���• ii•i••� �•i••ri�� is
4" CLEAN FILL
LOAM &SEED CROSS-SECTION DETAIL
NOT TO SCALE
LEGEND
PROPERTY LINE
SETBACK LINE
480 -- - EXIST. CONTOURS
EDGE OF ROAD
EDGE OF DRIVEWAY
PRIMARY SEPTIC SYSTEM
J RESERVE SEPTIC SYSTEM
84 PROPOSED CONTOUR LINE
LA Engineers, Inc.
CIVIL STRUCTURAL • SURVEYING
317 Main Street Norwich, Connecticut
(8s0) 886-196F> Fax (86o) 886-9165
No. Date Revision
jecNo.
RTT Development, Inc. PrCLA t 3186
Proj. Engineer
ALLISON'S WAY SUBDIVISION DateL.M.s.
MONTVILLE, CT 11/10/03
Sheet No.
Septic Design -Lot #43/9- 021