HomeMy WebLinkAbout83-1978 - SectionsNEAT SAW CUT
AND PATCH AS REQUIRED.
PROPOSED
30" X 12" LEACHING TRENCH
6" PER SCH40 PVC, WASHED STONE, FABRIC TOP & SI
GROUT END 6" PIPE TO CENTER END OUTLET
xo & CONNECT TO PROPOSED CATCH BASIN
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EXISTING CONNECTION TO EXISTING FLOW DIFFUSOR
STORMWATER LEACH SYSTEM TO REMAIN
SEE PAVEMENT CROSS SECTION
/ SOD NON PAVED AREAS
PROP. F&G SEE PLAN VIEW
30"
MIRAFI FILTER FABRIC
OVER STONE & DOWN SIDES
EX. TOP STRUCTURE SEE PAVEMENT CROSS SECTION
EL.11.3t
RAISE RIM GRATES SEE PLAN NOTES PROPOSED F&C
00 DRILI
m 00
co
24 1/4
132"� 2.2
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N
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126"
A STUMPS &PEAT
1.7
N 3/4" TO 1-1/2"
ELBOW
3/4"
0.7
ELBOW
NEW
DOUBLE WASHED STONE
156"
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ELBOWS
6" PERF. SCH40 PVC 1" UNDER AND 2' ALL AROUND
NEW
\
2.000 MM
NEW
PROPOSED
2.5Y 6/2 TRACE SILT
6'-0" X 4'0 I.D.-
#40
0.425 MM
6'-0" X 4' I.D.
6'-0" X 4'0
o SECTION THROUGH 12X24 LT
H_20
co
0-
H-20 `°
H-20
LESS THAN 10% PASSING THE #200 SIEVE- PERMEABLE
SOLID CATCH BASIN
SIEVE
# SIEVE SIZE PERCENT PASSING
SOLID CATCH BASIN
-3.3192„
100.0
AT TOP
a
216"
FLAT TOP
MIRAFI
FABRIC OVER STONE
COMPACT BACKFILL
IN 6" LIFTS (95% PRCTR.)
NEAT SAW CUT /
AND PATCH AS REQUIRED.
1 " OHOLE
PRECAST CONCRETE FLOW DIFFUSOR
H-20 RISER TO GRADE
MORTAR ALL COMPONENTS
BOT. EL. 10.73 IFFEASIBLE
FIELD ADJUST FOR HIGHEST
POSSIBLE ALIGNMENT, SEE PLAN
VIEW FOR NOTES
SOLID CATCH BASIN FL COMPACT
COMPACT USED AS DMH ALL BACKFILL \
ALL BACKFILL
(TYP.) (TYP.) GROUT END 6" PIPE TO CENTER END OUTLET
& CONNECT TO PROPOSED CATCH BASIN
NEW CATCH BASINS SEE PLAN VIEW NEW DEEP SUMP DMHS PROPOSED CATCH BASINS SEE PLAN VIEW
PROPOSED CATCH BASIN SEE PLAN VIEW NOTE: 2 NEW BASINS TO 2 NEW DMH'S REQ.
INLETS WITH SOLID MANHOLE COVERS ON REWORKED DRAINAGE SYSTEM
NOTE: 2 NEW BASINS TO 2 NEW DMH'S REQ. REPLACE EXISTING GRATE
REPLACE EXISTING GRATE INLETS WITH SOLID MANHOLE COVERS ON REWORKED DRAINAGE SYSTEM.
REMOVE EXISTING SOIL AND UNSUITABLE DOWN TO MEDIUM SAND LAYER, UTILIZE TRENCH BOX DUE TO HIGH GROUNDWATER TABLE TYPICAL DRAINAGE CROSS SECTI0N
ANY DEWATERING TO
HINCLEAANBCOMPACTDED OCOASILT
RSE CONTAINMENT
UP TOBAG
TOP OF REAR
LEACH TRENCH ELEVATION.NOT
TO BE INFILTRATED INTO WOODS.
NOT TO SCALE
DRAINAGE CROSS
NOT TO SCALE
CTION
2'- 10"
l�
0' 2 p'
2.0 4 MIRAR FILTER FABRIC
OVER STONE & DOWN SIDES
\\ \\ 3/4" TO 1-1/2"
DOUBLE WASHED STONE
1" UNDER AND 2' ALL AROUND
\j�A/jAA/ ca
-H REMOVE KNOCKOUTS
\%\%\% 8' WIDE ON ENDS OF UNITS
O/\\/\\
5' HORIZONTAL AND 5' BELOW UNSUITABLE SOIL REMOVAL. REMOVE ALL FILL DOWN
TO APPROX. 8 FEET BELOW PAVEMENT GRADE AND REPLACE WITH CLEAN
COARSE SAND. OWNERS ENGINEER TO INSPECT. NOTE HIGH GROUNDWATER CONDITIONS EXIST.
\/
NOT TO SCALE
26"
MANUF. LeBARON, BROCKTON, MA
MODEL: LT 105 OR EQ.
WEIGHT: 430 LBS
SCALE: 3/4"
TOWARD SITE EXCAVATION
WD. POST
4" LOAM & SEED
, ALL DISTURBED AREAS
NOT PAVED (NP.)
12" X 3"
CCBERM
NUIL:
1. EXCAVATE A 6" x 6" TRENCH ALONG SPECIFIED SILT FENCE LINE IMMEDIATELY AFTER
CLEARING AND GRUBBING IS COMPLETE AND INSTALL SILT FENCE.
2. UNROLL SILT FENCE ONE SECTION AT A TIME. POSTS SHOULD BE POSITIONED ON
DOWNSTREAM SIDE OF FENCE.
3. DRIVE POST INTO GROUND AND LAY THE TOE -IN FABRIC IN BOTTOM OF TRENCH.
BACKFILL TRENCH, AND TAMP GROUND AS SHOWN IN DIAGRAM ABOVE.
4. REMOVE SILT AND DEBRIS BEFORE ONE FOOT ACCUMULATION OCCURS AT THE
FENCE LINE.
1" = 1'- 0"
N
S
tE
1° TOPCOAT MASS DPW
TYPE N
2" BINDER
12" REPROCESSED ASPHALT GRAVEL
MDPW SPEC. VB. ROLLER COMPACTED
COMPACTED SUBGRADE. COMPACT FILL OVER DRAINAGE
IN 6" LIFTS TO 95% MODIFIED PROCTOR DENSITY.
T CROSS SECTION
NOT TO SCALE
TH1
ENGINEER: DAN OJALA PLS
DOWN CAPE ENGINEERING
BOH: KELDA WELCH
EXCV. BORTOLOTTI CONST.
DATE: 2-17-00 1 PM
TH1
EL. 12.7 1 0"
OBSV. GROUND
NOTE: GROUNDW
BY MANMADE DI
EATER EL. 8.73 -
TER CONTROLLED
E/OUTLET- NO ADJ.
FILL
(M F SAND
W SOM£ SILT)
TH2
ENGINEER: DAN OJALA PLS
DOWN CAPE ENGINEERING
--
OOHT-RELDA-WELCH -
EXCV. BORTOLOTTI CONST.
DATE: 2-17-00 1 PM
TH2
EL. 12.7 1 D"
FILL
(M F SAND
W SOME SILT)
H-20)
24 1/4
132"� 2.2
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126"
A STUMPS &PEAT
1.7
25.400 MM
A STUMPS &PEAT
3/4"
0.7
100.0
144" -0.3
12.500 MM
156"
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C1 M/C SAND
REF. ALSO
SOIL INFORMATION
C1 M C SAND
/
\
2.000 MM
2.5Y 6/2 TRACE SILT
FOR CURRENT SYSTEM
2.5Y 6/2 TRACE SILT
72.2
#40
0.425 MM
ON FILE WITH B.O.H.
#80
0.180 MM
17.9
PERC RATE <5 MIN/IN
0-
5.6
PAN
LESS THAN 10% PASSING THE #200 SIEVE- PERMEABLE
0.74 GPM/SF RATE
SIEVE
# SIEVE SIZE PERCENT PASSING
3"
-3.3192„
100.0
-5.3
a
216"
1"
H-20)
4 1 /2"
FOURTH FLANGE AT BASINS
WITHOUT CURB INLET
4 1/2"
SECTION A -A
MINIMUM FRAME WEIGHT: 3 -FLANGE - 265 LBS.
4 -FLANGE - 295 LBS.
MINIMUM GRATE WEIGHT: 215 LBS.
PASS AREA: 255 SO. IN.
FRAME AND GRATE
1" = 11- 0"
SOIL GRADATION ANALYSIS: SAMPLE 1
SIEVE # SIEVE SIZE PERCENT PASSING
24 1/4
100.0
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AI
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50.800 MM
100.0
1"
25.400 MM
/
3/4"
19.050 MM
100.0
1/2"
12.500 MM
97.6
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#4
4.750 MM
96.1
\
2.000 MM
`\
#20
0.850 MM
72.2
4 1 /2"
FOURTH FLANGE AT BASINS
WITHOUT CURB INLET
4 1/2"
SECTION A -A
MINIMUM FRAME WEIGHT: 3 -FLANGE - 265 LBS.
4 -FLANGE - 295 LBS.
MINIMUM GRATE WEIGHT: 215 LBS.
PASS AREA: 255 SO. IN.
FRAME AND GRATE
1" = 11- 0"
SOIL GRADATION ANALYSIS: SAMPLE 1
SIEVE # SIEVE SIZE PERCENT PASSING
3"
76.200 MM
100.0
2"
50.800 MM
100.0
1"
25.400 MM
100.0
3/4"
19.050 MM
100.0
1/2"
12.500 MM
97.6
3/8"
U
97.6
#4
4.750 MM
96.1
\
2.000 MM
90.8
#20
0.850 MM
72.2
#40
0.425 MM
O
#80
0.180 MM
17.9
#200
0-
5.6
PAN
LESS THAN 10% PASSING THE #200 SIEVE- PERMEABLE
SOIL GRADATION ANALYSIS: SAMPLE 2
SIEVE
# SIEVE SIZE PERCENT PASSING
3"
76.200 MM
100.0
2"
a
100.0
1"
O
j
3/4"
Ln``
100.0
1/2"
12.500 MM
�
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W'
L
#4
V
93.5
\
2.000 MM
Q
#20
0.850 MM
Z
#40
0.425 MM
0000
#80
W
(f)o
#200
Lo a
8.2
PAN
LESS THAN 10% PASSING THE #200 SIEVE- PERMEABLE
H
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3"
76.200 MM
100.0
2"
50.800 MM
100.0
1"
25.400 MM
100.0
3/4"
19.050 MM
100.0
1/2"
12.500 MM
97.6
3/8"
9.500 MM
97.6
#4
4.750 MM
96.1
#10
2.000 MM
90.8
#20
0.850 MM
72.2
#40
0.425 MM
49.3
#80
0.180 MM
17.9
#200
0.075 MM
5.6
PAN
LESS THAN 10% PASSING THE #200 SIEVE- PERMEABLE
SOIL GRADATION ANALYSIS: SAMPLE 2
SIEVE
# SIEVE SIZE PERCENT PASSING
3"
76.200 MM
100.0
2"
50.800 MM
100.0
1"
25.400 MM
100.0
3/4"
19.050 MM
100.0
1/2"
12.500 MM
98.5
3/8"
9.500 MM
97.1
#4
4.750 MM
93.5
#10
2.000 MM
88.6
#20
0.850 MM
73.3
#40
0.425 MM
51.8
#80
0.180 MM
20.6
#200
0.075 MM
8.2
PAN
LESS THAN 10% PASSING THE #200 SIEVE- PERMEABLE
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