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PROPOSED
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1250 GALLo
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-SEPTIC TANK V
V \ INV.I4=537.25 \
BOTTOM SYSTEM \ INV.0UT=537.
--- - ELEV. = 529.7 \
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__-- --� BOTTOM SYSTEM
--~ ELEV. = 531.2•
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--
FOOTING O RAIN
OUTLET \
'\ 6 SOLID PVC \
.\ NO SONE '
\ /\`
\ _
\ 20' 0 20' 40'
SCALE: 1 "=20'
4" TOPSOIL
-t _t_•z+.?..'�- - � f}T -t, .f`..- • -r.-. - _, - _ `rte. •' - _� � __ _
4" CLEAN FILL
LOAM & SEED CROSS-SECTION DETA1
NOT TO SCALE
FILTER FABRIC 10' M,q�UM POST
WIRE MESH
FENCING
\=\
COMPACTED BACKFILL AFTER
PLACEMENT OF SILT FENCE
SLT FENCE DETAIL
NOT TO SCALE
6"
FILTER FABRIC
PRECAST CONCRETE 4'x8'x2'
LEACHING GALLERY
HS -20 LOADING
1 " DIAMETER
CRUSHED STONE
TYPICAL 12" LEACHING GALLERY TRENCH
NOT TO SCALE
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
SELECT FILL SPECIFICATION
SELECT FlL.L PLACED WITHIN AND ADJACENT TO LEACHING SYSTEM AREAS SHALL
BE COMPRISED OF CLEAN SAND, OR SAND AND GRAVEL, FREE FROM ORGANIC
MATTER AND FOREIGN SUBSTANCES. THE SELECT FILL SHALL MEET THE
FOLLOWING REQUIREMENTS PER THE CONNECTICUT PUBLIC HEALTH CODE FOR
USE WITHIN THE LEACHING AREA:
1. THE SELECT FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN THE
THREE (3) INCH SLEEVE.
2. UP TO 45% OF THE DRY WEIGHT OF THE REPRESENTATIVE SAMPLE MAY BF
RETAINED ON THE #4 SLEEVE (THIS IS THE GRAVEL PORTION OF THE SAMPLE).
3. THE MATEtRLAL _0rigf MASSES THE J4 SIEVE IS THEN REWEIGHED AND THE
SIEVE ANALYSIS STARTED,
4. THE REMAINING SAMPLE SHALL MEET THE FOLLOWIG CRITERIA:
PERCENT PASSING
SIEVE SIZE WET SIEVE DRY SIEVE
#4 100 100
#10 70-100 70-100
#40 10-50* 10-75
#100 0-20 0-5
J200 0-5 0-2.5
* PERCENT PASSING THE #40 SIEVE CAN BE INCREASED TO NO GREATER THAN
75% IF THE PERCENT PASSING THE #100 SIEVE DOES NOT EXCEED 10% AND
THE #200 SIEVE DOES NOT EXCEED 5%.
8" TYP. 2 PLACES
. 4" INLET TYP. 3 PLACES i
o
GENERAL NOTES
FILTER BARRIER INSTALLATION & MAINTENANCE
PLAN
i�
1. TOPOGRAPHIC INFORMATION ON THIS PLAN COMPLIES WITH T-2 MAPPING
1. DIG A 6" TRENCH ON THE UPHILL SIDE OF THE BARRIER LOCATION.
STANDARDS.
25"-55"
2. BASE FOR LEVELS: SUBDIVISION MAP.
2. POSITION THE POSTS ON THE DOWNHILL SIDE OF THE BARRIER AND DRIVE THE
3. PROPOSED HOUSE AND SEPTIC SYSTEM TO BE STAKED IN THE FIELD BY
POST 1.5 FEET INTO THE GROUND. -
A LAND SURVEYOR LICENSED IN THE STATE OF CONNECTICUT.
3. LAY THE BOTTOM 6" OF THE FABRIC IN THE TRENCH TO PREVENT UNDERMINING
4. LOT AREA = 4.89f ACRES
AND BACKFILL.
1 "-34"
BROWN SANDY LOAM
5. ALL WORK AND MATERIAL (SEPTIC TANK, DISTRIBUTION BOX, PIPE)
4. INSPECT AND REPAIR BARRIER AFTER HEAVY RAINFALL
SHALL CONFORM TO THE CONNECTICUT PUBLIC HEALTH CODE
34"-70"
REGULATIONS AND STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL
5. SEDIMENT DEPOSITS ARE TO BE REMOVED WHEN THEY REACH A HEIGHT OF ONE
SYSTEM.
FOOT BEHIND THE BARRIER AND ARE TO BE DEPOSITED IN AN AREA WHICH IS
LEDGE 0
NOT REGULATED BY THE INLAND WET -LANDS COMMISSION.
6. SEWER LINE FROM FOUNDATION WALL TO SEPTIC SHALL BE 4"
6. INSPECTIONS AND NECESSARY REPAIRS WILL BE MADE TWICE WEEKLY.
SCHEDULE 40 PVC - ASTM D 1785 AND JOINTS PER HEALTH DEPT. CODE.
WATER 0
7. TRENCHES SHALL BE SET LEVEL FOR ENTIRE LENGTH AND HAVE A
NO WATER
CENTER TO CENTER SPACING OF 9 FEET.
MOTTLING
8. PIPE FROM SEPTIC TANK TO DISTRIBUTION LINES SHALL BE 4" SOLID
NO MOTTLING
PVC CONFORMING TO ASTMD-3034 AND SDR -35.
TEMPORARY VEGETATIVE COVER
9. FOUNDATION DRAIN PIPE FROM HOUSE TO OUTLET SHALL CONFORM
TO TABLE 2-C OF THE CONNECTICUT PUBLIC HEALTH CODE REGULATIONS
A TEMPORARY SEEDING OF RYE GRASS WILL BE COMPLETED WITHIN 15 DAYS OF THE FORMATION
AND STANDARDS FOR INSTALLATION WITHIN 25 FEET OF A SEWAGE DISPOSAL
OF STOCKPILES. IF THE SOIL IN THE STOCKPILES HAS BEEN COMPACTED BY CONSTRUCTION
SYSTEM
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.
10. THERE ARE PRESENTLY NO KNOWN WATER WELLS WITHIN 75' OF THE
LIMESTONE AT A RATE OF 90 LBS. PER 1000 S.F. SHALL BE USED. RYE GRASS APPLIED AT A
0-3" TOPSOIL
RATE OF 1 LB. PER 1000 S.F. SHALL PROVIDE THE TEMPORARY VEGETATIVE COVER. STRAW
PROPOSED SEPTIC SYSTEM.
FREE FROM WEEDS AND COARSE MATTER SHALL BE USED AT A RATE OF 70-90 LBS. PER 1000 S.F.
11. A VERTICAL BENCHMARK WILL BE PROVIDED WITHIN 100 FEET OF THE
AS A TEMPORARY MULCH. APPLY MULCH AND DRIVE TRACKED EQUIPMENT UP AND DOWN SLOPE OVER
3"-131"
ENTIRE SURFACE SO CLEAT MARKS ARE PARALLEL TO THE CONTOURS.
PROPOSED HOUSE LOCATION PRIOR TO THE START OF CONSTRUCTION.
12. CLEAR AND GRUB THE AREA WHERE THE SEPTIC SYSTEM AND HOUSE ARE
13"-40"
TO BE CONSTRUCTED. ALL TOPSOIL IS TO BE STRIPPED AND STOCKPILED
LEDGE 0
FOR FUTURE USE.
PERMANENT VEGETATIVE COVER
13. ALL FILL MATERIAL SHALL BE CLEAN EARTH FREE OF STUMPS, ORGANICS,
CONSTRUCTION DEBRIS AND TOPSOIL.
TOPSOIL WILL BE REPLACED ONCE THE EXCAVATION HAS BEEN COMPLETED AND THE SLOPES ARE
NO LEDGE
GRADED TO A SLOPE NO GREATER THAN 2.5 TO 1. PROVIDE SLOPE PROTECTION ON ALL CUT SLOPES.
14. TOPSOIL SHALL BE RE-APPLIED OVER ALL FILL AREAS AND ALL DISTURBED
TOPSOIL WILL BE SPREAD AT A MINIMUM COMPACTED DEPTH OF 4 INCHES. ONCE THE TOPSOIL HAS
AREAS TO PROVIDE A MINIMUM DEPTH OF FOUR INCHES.
BEEN SPREAD, ALL STONES TWO INCHES OR LARGER IN ANY DIMENSION WILL BE REMOVED AS WELL AS
WATER 0
DEBRIS, APPLY AGRICULTURAL GROUND LIMESTONE AT THE RATE OF TWO TONS PER ACRE OR 100 LBS.
15. ALL EXISTING UTILITIES TO BE ACCURATELY LOCATED PRIOR TO CONSTRUCTION.
PER 1000 S.F. APPLY 10-10-10 FERTILIZER OR EQUIVALENT AT A RATE OF 300 LBS. PER ACRE OR
CALL BEFORE YOU DIG: 1-800-922-4455.
7.5 LBS. PER S.F. WORK LIMESTONE INTO THE SOIL TO A DEPTH OF 4 INCHES. INSPECT SEEDBED
16. IF BLASTING IS REQUIRED A PRE -BLAST SURVEY WILL BE REQUIRED.
BEFORE SEEDING. IF TRAFFIC HAS COMPACTED THE SOIL RETILL COMPACTED AREAS. APPLY THE
TH#625A
FOLLOWING GRASS SEED MIX:
0-1"
"-26"
MAP REFERENCE
s.sm MIME LBS ACRE LBS.11000 S.F.
SUBDIVISION PLAN, ALLISON'S WAY SUBDIVISION, PREPARED FOR RTT
KENTUCKY BLUEGRASS 20 0.45
DEVELOPMENT, INC., CHAPEL HILL ROAD & FORSYTH ROAD,
CREEPING RED FESCUE 20 4.45
MONTVILLE, CT, PREPARED BY CME/CPK DESIGN GROUP, 110
PERENNIAL RYEGRASS 5 0.10
BROADWAY, NORWICH, CT, DATED: 1/01/03, REVISED TO. 6/20/2003.
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
SELECT FILL SPECIFICATION
SELECT FlL.L PLACED WITHIN AND ADJACENT TO LEACHING SYSTEM AREAS SHALL
BE COMPRISED OF CLEAN SAND, OR SAND AND GRAVEL, FREE FROM ORGANIC
MATTER AND FOREIGN SUBSTANCES. THE SELECT FILL SHALL MEET THE
FOLLOWING REQUIREMENTS PER THE CONNECTICUT PUBLIC HEALTH CODE FOR
USE WITHIN THE LEACHING AREA:
1. THE SELECT FILL SHALL NOT CONTAIN ANY MATERIAL LARGER THAN THE
THREE (3) INCH SLEEVE.
2. UP TO 45% OF THE DRY WEIGHT OF THE REPRESENTATIVE SAMPLE MAY BF
RETAINED ON THE #4 SLEEVE (THIS IS THE GRAVEL PORTION OF THE SAMPLE).
3. THE MATEtRLAL _0rigf MASSES THE J4 SIEVE IS THEN REWEIGHED AND THE
SIEVE ANALYSIS STARTED,
4. THE REMAINING SAMPLE SHALL MEET THE FOLLOWIG CRITERIA:
PERCENT PASSING
SIEVE SIZE WET SIEVE DRY SIEVE
#4 100 100
#10 70-100 70-100
#40 10-50* 10-75
#100 0-20 0-5
J200 0-5 0-2.5
* PERCENT PASSING THE #40 SIEVE CAN BE INCREASED TO NO GREATER THAN
75% IF THE PERCENT PASSING THE #100 SIEVE DOES NOT EXCEED 10% AND
THE #200 SIEVE DOES NOT EXCEED 5%.
8" TYP. 2 PLACES
. 4" INLET TYP. 3 PLACES i
o
PER
REFERENCE
PLAN
i�
JH#622
4"-15"
TH#62
25"-55"
TH#628
v
TOPSOIL
�- 4" LP. P.V.C. PIPE SEAL
TYP. 3 PLACES
PLAN A
OUTLET
4" L.P. P.V.C.
PIPE SEAL
24"DIA. 24"DIA.
s" � COVER COVER
.. -
18" 6"
20" -
INLET a
T,
BAFFLE OUTLET
6" WALLS4•_ 1 " FILTER
LIQUID DEVICE
LEVEL
6"
CROSS SECTION VIEW
1,500 GALLON SEPTIC TANK
NOT TO SCALE
- - - - - - PROPERTY LINE
SETBACK LINE
544 _._. ____ EXIST. CONTOURS
EDGE OF ROAD
EDGE OF DRIVEWAY
® PRIMARY SEPTIC SYSTEM
_J RESERVE SEPTIC SYSTEM
PROPOSED CONTOUR LINE
DESIGN DATA
PERCOLATION RATE = 10.4 MIN./INCH
4 BEDROOM RESIDENCE REQUIRES 900 SF OF LEACHING AREA
PROVIDE 20 UNITS - 12" LEACHING GALLERIES
EFFECTIVE LEACHING AREA = 160 LF X 5.9 SF/LF = 944 SF
PROVIDE 1,500 GAL. 2 -COMPARTMENT TANK
M.L.S.S. 24 X 2 X 1.5 - 72 LF
M.L.S.S. PROVIDED = 80 LF
SYSTEM INSTALLATION
1. REMOVE AND STOCKPILE TOPSOIL.
2. PLACE SELECT FILL IN ACCORDANCE WITH THE CT HEALTH CODE
3. EXCAVATE 6' WIDE TRENCHES AND PREPARE SURFACE
4. INSTALL GALLERY SECTIONS AND FILL SIDES OF TRENCHES WITH 1" WASHED STONE
(SEE DETAIL)
5. PLACE A 6' WIDE STRIP OF NON-WOVE348 M.LTER FABRIC ON TOP OF
THE ENTIRE LENGTH OF THE SYSTEM AND BACKFILL WITH NATIVE MATERIAL.
6. REPLACE TOPSOIL, SEED & MULCH.
TEST HOLE DATA
THJ IH#B
0-7"
PER
REFERENCE
PLAN
7"-25"
JH#622
4"-15"
TH#62
25"-55"
TH#628
0-2"
TOPSOIL
0-1"
TOPSOIL
0-2" TOPSOIL
2"-25"
BROWN SANDY LOAM
1 "-34"
BROWN SANDY LOAM
2"-21 " BROWN SANDY LOAM
25"-44"
FINE TO MED SILTY SAND
34"-70"
FINE TO MED SAND
21--77" SANDY GRAVEL W/STONE
LEDGE 0
44"
LEDGE 0
70"
NO LEDGE
WATER 0
35"
WATER 0
60"
NO WATER
NO MOTTLING
MOTTLING
® 34"
NO MOTTLING
TH#634A
TH#629
T'H#623
0-2"
TOPSOIL
0-3" TOPSOIL
0-3"
TOPSOIL
2"-48"
BROWN SANDY LOAM
3"-28" BROWN SANDY LOAM
3"-131"
BROWN SANDY LOAM
28"-79" SANDY GRAVEL W/STONE
13"-40"
FINE TO MED SILTY SAND
LEDGE 0
58"
WATER 0
48"
NO LEDGE
LEDGE 0
40"
MOTTLING
0 42"
NO WATER
WATER 0
34"
NO MOTTLING
NO MOTTLING
TH1623A
TH#625A
74624
0-1"
"-26"
TOPSOIL
0-5" TOPSOIL
0-3"
TOPSOIL
1
26"-81"
BROWN SANDY LOAM
GREY COMPACT SILTY SAND
5"-3t" BROWN SANDY LOAM
" "
3"-42"
BROWN SANDY LOAM
31 -70 GREY COMPACT SILTY SAN
42"-74"
FINE TO MED SILTY SAND
LEDGE 0
81"
LEDGE 0 70"
WATER 0
49"
WATER 0 55"
LEDGE 0
74"
MOTTLING
0 26"
MOTTLING 0 31"
WATER 0
54"
MOTTLING
0 39"
THJ IH#B
0-7"
TOPSOIL
0-4"
TOPSOIL
7"-25"
BROWN SANDY LOAM
4"-15"
BROWN SANDY LOAM
25"-55"
GREY SANDY TILL
15"-69"
GREY SANDY TILL
LEDGE 0
55"
LEDGE 0
69"
NO WATER
NO WATER
NO MOTTLING
NO MOTTLING
PERCOLATION RATE
INFORMATION PROVIDED PER REFERENCE PLAN
PERCOLATION RATE: LOT #43/9-015 = 10.4 MIN/INCH
CLA Engineers, Inc.
CIVIL - STRUCTURAL - SURVEYING
1 930 05 TEST HOLE DATA #A & #B V317 Main Street Norwich, CT 06360
DATE RE N60) 886-1966 Fax (860) 886-9165
ecNo.
RTT Development, Inc. PrC�LA t 3186
OF C A
A� o' j �'�Proj. Engineer
1 - ALLISON" S WAY SUBDIVISION J.F.M.
#150 FORSYTH ROAD °a 9/09/05
"O. 243` Sheet No.
MONTVILLE CT
®NAL
.
64.01 Septic Design - Lot #43/9-014