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FINISHED GRADE SHALL BE PITCHED TO SHEET COVER MATERIAL DEPTH
FLOW STORMWATER AWAY FROM SYSTEM SHALL BE >6" AND SHALL
BE UNIFORM OVER SYSTEM
FILTER FABRIC
Air,
�!2, 4 `4 CT DOT NO. 6
ASTM C-33 SAND STONE
*H= 24 (GST6224) (OR APPROVED
EQUI VI LEN T)
GEOMATRIX GST 6224- SECTION A -A
NOT TO SCALE
.. �:� '����•�i��•�!`lI
Rom i
*H= 24" (GST6224) *P- 2" - 5.5"
*3" MIN. I.D., ASTM D-3034, SDR 35 PIPE FOR GRAVITY APPLICATIONS
0.75" MIN. I.D., ASTM D-2665, SCH 40 PVC PIPE FOR PRESSURE APPLICATIONS
GEOMATRIX GST 6224- SECTION B-B
NOT TO SCALE
FINISHED GRADE SHALL BE PITCHED TO SHEET FLOW
STORMWATER AWAY FROM SYSTEM
MIN. 12' CRUSHED AGGREGATE FILL OVER FABRIC -MAXIMUM PARTICLE SIZE
OF 1.5' AND LESS THAN 10% FINES PASSIVG #200 SIEVE (LOOSELY ROLLED)
vv.2v.RRv�, gyv}pv.R..vRvv. ckv.Qv.y.vfcn.p vq$vvvyvevbv.yvv.o,vv�v:
•dyC�.V4�i{artydvwo?I��dob3.o=t vb�ov�vb.vob. o*.
CTDPH APPROVED > ayadsv:wv'b •1°'°•*Y$+�
�vy�+v�3vvkv6, trYo a q.o 12" MIN
FILTER FABRIC
.toe 4vw9y.wsb: aDISTRIBUTION PIPE
;o
v.4,:d.gv.dbyvwQ 117
.�•vV-PV. ' *PIPE
`R' $:v '►:. 'v y'd -v'. 4 v -
"'} CT DOT NO. 6 STONE (3/4")
2" OVER TOP OF PIPE *H
>2"
�2
2 *H= 24" (GST6224)
ASTM C-33 SAND
OR APPROVED EQUIVILENT
*DISTRIBUTION PIPE:
SDR 35 OR SCHED. 40, ASTM D-1785
PVC PIPE FOR GRAVITY APPLICATIONS;
SCHED. 40, ASTM D-1785 PVC PIPE
FOR PRESSURE APPLICATIONS
CRUSHED AGGREGATE FILL GRA ATION
SIZE
% PASSING
1 1/2 IN.
100
3/4 IN.
50-1 OC
#4
25-50
#40
10-20
#100
5-15
#200
LESS THAN 10
GEOMATRIX LEACHING SYSTEM (GST 6224)- SIDE VIEW
NOT TO SCALE
24"
iF
0
0
*3" MIN. I.D., ASTM D-3034, SDR 35 PIPE FOR GRAVITY APPLICATIONS
0.75" MIN. I.D., ASTM D-2665, SCH 40 PVC PIPE FOR PRESSURE APPLICATIONS
#6 STONE
ASTM C-33 SAND
APPROVED EQUIVILENT)
GEOMATRIX LEACHING SYSTEM (GST 6224)- PLAN VIEW
NOT TO SCALE
FINISHED
GRADE-\
MINIMUM
17" DIAMETER
MANHOLE
INLET -
INLET BAFFLE
213 REQUIRED CAPACITY-
PROVIDE ACCESS
MANHOLES TO
FINISHED GRADE
(H-20 LOADING) AT
INLET AND OUTLET
f INSPECTION
OPENING
(OPTIONAL)
n n
"Al
3„ 5"
8"MIN.
1
10 MIN.
8 "-1.5' p
MID -DEPTH
p
CONNECTION
cy
J
LENGTH NOT GREATER THAN 4 TIMES
WIU I H UK ULt` I H
MINI,,,4UM 17" DIAMETER MANHOLE
MARKINGS
- OUTLET
--OUTLET FILTER DEVICE
`113 REQUIRED CAPACITY
3,000 GALLON SEPTIC TANK
NOT TO SCALE
NOTES
1. THIS SEPTIC SYSTEM INSTALLATION INCLUDING ALL MATERIALS 'PIPING, SEPTIC
TANK, STONE, FILL, ETC.) USED FOR THIS SEPTIC SYSTEM SHALL CONFORM TO THE
CURRENT EDITION/REVISION OF THE "TECHNICAL STANDARDS FOR 'SUBSURFACE
SEWAGE DISPOSAL SYSTEMS" REVISED JANUARY 1, 2015 OF THE (ONNECTICUT
PUBLIC HEALTH CODE BY THE STATE OF CONNECTICUT DEPARTMEIIT OF PUBLIC
HEALTH.
2. THE PROPOSED SEWER PIPE FROM THE BUILDING TO THE SEPTIC TANK AND
FROM THE SEPTIC TANK TO THE DISTRIBUTION BOX SHALL BE PVC SCHEDULE 40,
ASTM D 1785 OR ASTM D 2665 OR APPROVED EQUAL AND LISTED IN TABLE NO.
2 OF THE "TECHNICAL STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS".
ALL OTHER SEWER PIPE FOR THIS SEPTIC SYSTEM SHALL BE PVC ASTM D 3034,
SDR 35 WITH RUBBER COMPRESSION GASKET OR BELL AND SPIGO ( WITH NO
GASKETS OR APPROVED EQUAL AND LISTED IN TABLE NO. 2-A OF THE
`TECHNICAL STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL SYSTEMS".
3. THERE ARE NO WELLS (POTABLE, OPEN LOOP GEOTHERMAL, IRRIGATION OR
SPRING) WITHIN 75' OF THE PROPOSED SEPTIC SYSTEM.
4. THERE SHALL BE NO STUMPS OR BOULDERS BURIED WITHIN 50 DOWN
GRADIENT OF THE SEPTIC SYSTEM. SHOULD ANY SIGNIFICANT VARI\TIONS FROM
THE TEST PIT DATA BE ENCOUNTERED DURING EXCAVATIONS (LED' c
GROUNDWATER, MOTTLING, SOIL TYPE, UNSUITABLE MATERIAL, ETC.;, THE SOUTH
WINDSOR HEALTH DEPARTMENT SHALL BE NOTIFIED PRIOR TO INST4LLATION OF
THE SEPTIC SYSTEM.
5. ALL EXISTING UTILITIES ARE APPROXIMATE ONLY. THE CONTRACTOR SHALL
VERIFY ALL UTILITY LOCATIONS AND ELEVATIONS PRIOR TO ANY CONSTRUCTION.
CONTRACTOR SHALL CONTACT 'CALL -BEFORE -YOU -DIG" AT 1-80CI-922-4455 AT
LEAST 48 HOURS PRIOR TO ANY EXCAVATION.
6. APPROVED STONE AGGREGATE MEANS CRUSHED OR BROKEN STONE, OR
CRUSHED OR UNCRUSHED GRAVEL MEETING THE GRADATION FOR 1`I0. 4 STONE
(1 %") STONE AGGREGATE OR NO. 6 (3/4") STONE AGGREGATE PER CONNECTICUT
DEPARTMENT OF TRANSPORTATION FORM 816 SPECIFICATION M.01,01 (OR LATEST
REVISION) AS FOLLOWS:
NO. 4 AGGREGATE NO. 6 AGGREGATE*
SIEVE SIZE % PASSING BY WEIGHT % PASSING BY
WEIGHT
2 INCH 100 % N/A
1.5 INCH 90 - 100 % N/A
1 INCH 20 - 55 % 100%
3/4 INCH 0 - 15 % 90 - 100 %
1 /2 INCH N/A 2C - 55 %
3/8 INCH 0 - 5 % 0 - 15 %
# 4 N/A 0 - 5 %
#40 0- 3% 0- 3%
#200 0- 1.5% 0-1.5%
7. NO DEVIATION FROM THE APPROVED DESIGN PLAN SHALL BE ALLOWED WITHOUT
PRIOR WRITTEN APPROVAL FROM THE DESIGN ENGINEER, THE SOUTH WINDSOR
DEPARTMENT OF HEALTH AND THE CONNECTICUT DEPARTMENT OF HEALTH.
8. THE SEPTIC TANK SHALL BE PRECAST CONCRETE DESIGNED FOR H-20 LOADING
WITH TWO (2) ACCESS MANHOLES TO GRADE DESIGNED FOR H-20 LOADING.
9. THE NON -WOVEN FILTER FABRIC PLACED ABOVE THE LEACHING SYSTEM
APPROVED AGGREGATE SHALL AN APPROVED FABRIC LISTED IN APPENDIX C OF
THE "TECHNICAL STANDARDS FOR SUBSURFACE SEWAGE DISPOSAL- SYSTEMS" AND
BE INSTALLED IN A MANNER TO BE READILY VISIBLE TO FACILITATE INSPECTION.
10. THE PROPOSED SEPTIC SYSTEM SHALL BE STAKED OUT BY A LICENSED LAND
SURVEYOR PRIOR TO CONSTRUCTION.
11. SITE PREPARATION PROCEDURE FOR THE INSTALLATION OF EACH PROPOSED
SEPTIC SYSTEM:
A. SECURE THE PERMIT TO CONSTRUCT FROM THE LOCAL HEALTH
DEPARTMENT. PERMIT MUST BE OBTAINED BY A LICENSED SEPTIC INSTALLER.
B.STRIP ALL TOPSOIL, VEGETATION AND ORGANIC MATERIAL IN IHE AREA OF
AND 5' SURROUNDING THE PRIMARY LEACHING SYSTEM.
C.000RDINATE WITH THE SOUTH WINDSOR HEALTH DEPARTMENT FOR TIMELY
INSPECTION AS THEY REQUIRE.
D.INSTALL SEPTIC SYSTEM PER PLAN USING APPROVED INSTALLATION METHODS,
MATERIALS AND MONITORING BY GST VENDOR, IF REQUIRED. STONE SHALL BE
CT DOT NO. 6 STONE AND SAND SHALL BE ASTM C-33 SAND OR APPROVED
EQUIVALENT. CONTACT THE SOUTH WINDSOR HEALTH DEPARTMENT FOR FINAL
INSPECTION PRIOR TO BACKFILLING SYSTEM.
E. COVER SYSTEM WITH A MINIMUM OF 6" OF LOAM IN LAWN ARI-AS, GRADE TO
PREVENT PONDING AND SEED WITH GRASS TO STABILIZE. THi FINISHED
GRADE 10' FROM ANY PART OF THE PROPOSED LEACHING SY':TEM SHALL BE
AT LEAST THE SAME ELEVATION AS THE TOP OF THE SYSTEM
F.INSTALL ACCESS MANHOLES TO GRADE ABOVE THE INLET BAFFLE AND ABOVE
THE OUTLET FILTER OF THE SEPTIC TANK AND PIPE CLEANOU rS TO GRADE AS
INDICATED.
SLLLVL
COVER
5" CONCRETE SIDEWALK
SECTION
THREADED CONNECTION
PROCESSED AGGREGATE
BASE
4" SLOTTED PVC WITH PLUG.
BOTTOM OF GST SYSTEM
GST INSPECTION PORT'
NOT TO SCALE
DEEP TEST PIT AND PERCOLATION TEST RESULTS
DEEP TEST PITS WERE WITNESSED BY SHERRY MCGANN, OF THE SOUTH WINDSOR HEALTH
DEPARTMENT, AND ANDREW KRAR, P.E. ON 11-5-2013.
TEST PIT TP-1
0'-0.8'
PAVEMENT & SUBBASE
0.8'-2.7'
LOOSE
LIGHT BROWN
M-F SAND,
TRACE
GRAVEL & SILT
2.7'-3.8'
LOOSE
LIGHT BROWN
M-F SAND,
SOME
M-F GRAVEL, TRACE SILT
3.8'-8.0'
LOOSE
LIGHT BROWN
M-F SAND,
LITTLE
M-F GRAVEL, TRACE SILT
NO GROUNDWATER,
NO MOTTLING
OBSERVED,
SIDEWALLS OF TRENCH UNSTABLE
TEST PIT TP-2
0'-0.7'
PAVEMENT
& SUBBASE
0.7'-4.0'
LOOSE
LIGHT BROWN
M-F SAND,
TRACE
GRAVEL & SILT
4.0'-5.5'
LOOSE
LIGHT BROWN
M-F SAND,
SOME
M-F GRAVEL, TRACE SILT
5.5-9.0'
LOOSE
LIGHT BROWN
M-F SAND,
TRACE
GRAVEL & SILT
NO GROUNDWATER,
NO MOTTLING
OBSERVED,
SIDEWALLS OF TRENCH UNSTABLE
TEST PIT TP-3
0'-1.0'
PAVEMENT
& SUBBASE
1.0'-4.7'
LOOSE
LIGHT BROWN
M-F SAND,
TRACE
GRAVEL & SILT
4.7'-5.7'
LOOSE
LIGHT BROWN
M-F SAND,
SOME
M-F GRAVEL, TRACE SILT
5.7'-10.0'
LOOSE
LIGHT BROWN
M-F SAND,
TRACE
GRAVEL & SILT
NO GROUNDWATER,
NO MOTTLING
OBSERVED,
SIDEWALLS OF THE NCH UNSTABLE
PERC. #1
BOTTOM OF
TEST HOLE: 45" BELOW GRADE
BEGIN PRESOAK:9:01 AM
BEGIN TEST:
9:07
AM
TIME ,MINUTES) READING (INCHES)
0
4.00
1
7.00
2
8.00
3
9.00
4
10.00
5
11.00
6
11.50
7
12.00
8
12.25
9
12.50
10
12.75
PERC. #2
BOTTOM OF TEST HOLE:
48" BELOW GRADE
BEGIN PRESOAK:8:40 AM
BEGIN TEST: 8:50 AM
TIME (MINUTES) READING (INCHES)
0
5.00
1
9.00
2
10.50
3
12.00
4
12.75
5
13.50
6
14.00
7
14.25
8
14.50
9
14.75
10
15.00
PERCOLATION TEST INSPECTED
BY DANIEL JAMESON, ON 05-20-2015
PERC-1A
BOTTOM OF TEST HOLE:
2.83' BELOW GRADE
PERC RATE (MIN/IN): 3.2
TIME (MINUTES) READING (INCHES)
0
8.00
2
10.25
4
11.25
6
12.50
8
13.50
10
14.50
12
15.25
14
16.25
16
17.00
18
17.75
20
18.50
22
19.00
24
19.50
26
20.25
28
20.50
30
21.00
32
21.25
34
21.75
39
22.50
44
23.25
49
24.00
PERC-2A
BOTTOM OF TEST HOLE:2.31' HOLE/ 5.31' BELOW GRADE
PRE-SOAKED: YES
PERC RATE (MIN/IN): 0.79
TIME (MINUTES) READING (INCHES)
0 8.25
2 13.25
4 16.50
6 18.50
8 20.00
10 21.50
DEEP TEST PITS WERE WITNESSED BY HEATHER OATIS, OF THE SOUTH WINDSOR
HEALTH DEPARTMENT, SEAN F. MERRIGAN OF THE CT STATE HEALTH DEPARTMENT
AND ANDREW KRAR, P.E. ON 04-19-2015.
TEST PIT TP-4
0'-0.3'
PAVEMENT
0.3'-3.0'
LOOSE BROWN M-F SAND, TRACE
GRAVEL AND SILT
3.0'-8.0'
LOOSE WHITE M-F SAND, TRACE
GRAVEL AND SILT
NO GROUND
WATER, NO MOTTLING OBSERVED
TEST PIT TP-5
0'-1.5'
FILL/ TOPSOIL
1.5'-3.0'
LOOSE BROWN M-F SAND, TRACE
GRAVEL AND SILT
3.0'-7.5'
LOOSE WHITE M-F SAND, TRACE
GRAVEL AND SILT
NO GROUND
WATER, NO MOTTLING OBSERVED
TEST PIT TP-6
0'-1.5'
TOPSOIL/ GRASS
1.5'-3.0'
LOOSE BROWN M-F SAND, TRACE
GRAVEL AND SILT
3.0'-7.0'
LOOSE WHITE M-F SAND, TRACE
GRAVEL AND SILT
NO GROUND
WATER, NO MOTTLING OBSERVED
TEST PIT TP-7
0'-1.0'
TOPSOIL
1.0'-3.0'
LOOSE BROWN M-F SAND, TRACE
GRAVEL AND SILT
3.0'-7.5'
LOOSE WHITE M-F SAND, TRACE
GRAVEL AND SILT
NO GROUND
WATER, NO MOTTLING OBSERVED
DEEP TEST PITS WERE WITNESSED BY HEATHER OATIS, OF THE SOUTH WINDSOR HEALTH
DEPARTMENT, SEAN F. MERRIGAN OF THE CT STATE HEALTH DEPARTMENT AND ROBERT J.
SCHUCH, P.E. ON 8-28-15.
TEST PIT
0"- 36" (EAST SIDE)/72" (WEST SIDE) FILL, DEBRIS, ROOTS (UNSUITABLE)
36"/72"- 108" LIGHT BROWN MEDIUM -FINE SAND
NO GROUNDWATER, NO LEDGE, NO EVIDENT MOTTLING
TEST PIT '13"
0"- 48"/60" FILL, DEBRIS (UNSUITABLE)
48"- 108" LIGHT BROWN MEDIUM -FINE SAND
GROUNDWATER ® 108", NO LEDGE, NO EVIDENT MOTTLING
TEST PIT '-C"
0"- 112" FILL, DEBRIS, ROOTS (UNSUITABLE)
GROUNDWATER ® 104"1 NO LEDGE, NO EVIDENT MOTTLING
PARCEL # 1 (PROPOSED SPORTS COMPLEX
SANITARY N I DESIGN CRITERIA
SPORTS COMPLEX: CAPACITY OF BUILDING = 800 PEOPLE
SANITARY DESIGN FLOW = 800 PEOPLE ® 3.5 GALLONS/DAY (GPD) PER SPORTS COMPLEX
PER SEAT
= 2,800 GPD
DESIGN PERCOLATION RATE: LESS THAN 10.1 MINUTES/INCH
SEWAGE APPLICATION RATE: (USING TABLE 8, NON-RESIDENTIAL, NON -PROBLEMATIC) = 1.5
GPD/SF EFFECTIVE
LEACHING AREA REQUIRED = 2,800 GPD _ 1.5 GPD/SF = 1,867 SF EFFECTIVE
DESIGN: 3,000-GALLON (MINIMUM) CONCRETE SEPTIC TANK DESIGNED FOR H-20 LOADING
WITH TWO (2) ACCESS MANHOLES TO GRADE AND 1 ROW OF 105' (50' AND 55' LENGTHS
WITH D-BOX BETWEEN LENGTHS) OF 62" WIDE, 24" HIGH GST 6224 LEACHING SYSTEM
UNITS INSTALLED WITH APPROVED STONE AND SAND IN ACCORDANCE WITH GEOMATRIX
SYSTEMS, LLC PRODUCT SPECIFICATIONS
LEACHING AREA PROVIDED: 105' x 18.1 SF/LF = 1,900.5 SF EFFECTIVE
100% RESERVE AREA PROVIDED (105' OF GST 6224 GEOMATRIX LEACHING SYSTEM)
MINIMUM LEACHING SYSTEM SPREAD CALCULATION
MLSS NEED NOT BE CONSIDERED DUE TO DEPTH OF RESTRICTIVE LAYER > 60"
PARCEL #2 (#2045 JOHN FITCH BOULEVARD
CODE -COMPLYING SANITARY DESIGN (13100a CRITERIA)
EXISTING 3 BEDROOM HOUSE
DESIGN PERCOLATION RATE: LESS THAN 10.1 MINUTES/INCH
LEACHING AREA REQUIRED = 495 SF EFFECTIVE
DESIGN: 1,000-GALLON (MINIMUM) SEPTIC TANK AND 4 ROWS OF 42' OF 4' WIDE, 12"
HIGH LEACHING TRENCHES WITH ENDS CONNECTED
LEACHING AREA PROVIDED: 4 x 42' x 3.0 SF/LF = 504 SF EFFECTIVE
100% RESERVE AREA NOT REQUIRED PER B100a CRITERIA
MINIMUM LEACHING SYSTEM SPREAD CALCULATION
MLSS NEED NOT BE CONSIDERED DUE TO DEPTH OF RESTRICTIVE LAYER > 60"
PARCEL ##3 (#2063 JOHN FITCH BOULEVARD
CODE -COMPLYING SANITARY DESIGN (13100a CRITERIAl
EXISTING 3 BEDROOM HOUSE
DESIGN PERCOLATION RATE: LESS THAN 10.1 MINUTES/INCH
LEACHING AREA REQUIRED = 495 SF EFFECTIVE
DESIGN: 1,000-GALLON (MINIMUM) SEPTIC TANK AND 3 ROWS OF 55' OF 4' WIDE, 12"
HIGH LEACHING TRENCHES WITH ENDS CONNECTED
LEACHING AREA PROVIDED: 3 x 55' x 3.0 SF/LF = 495 SF EFFECTIVE
100% RESERVE AREA NOT REQUIRED PER B100a CRITERIA
MINIMUM LEACHING SYSTEM SPREAD CALCULATION
MLSS NEED NOT BE CONSIDERED DUE TO DEPTH OF RESTRICTIVE LAYER > 60"
7
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