HomeMy WebLinkAbout83-1802 - 4 - Drainage DetailsIa
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k 4
BITUMINOUS CONCRETE SWALE DETAIL
(NOT TO SCALE)
BITUMINOUS
i CONCRETE
SWALE
(SEE DETAIL)
6' STONE MZ02.4 MASS
DPWDPW MASS
STD. SPECS
Dn ¢ A
M2.02.4 MASS DPW
STANDARD SPECS.
SIEVE
PERCENT
SIZE
PASSING
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95%100%
41NCH
O%-25%
2 1 INCH
0%-5%
CB -2
12.50
--
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DOUBLE GRATE CATCH BASIN
CB -3
12.50
--
11.00
DOUBLE GRATE CATCH BASIN
CB -4
14.50
LOW POINT
11.00
DOUBLE GRATE CATCH BASIN
CB -5
13.50
--
11.00
12'
CB -6
1
--
11.00
DOUBLE GRATE CATCH BASIN
'
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LRB -1
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -2
F.G.
10.80 i
--
LEACHING RECHARGE BASIN
LRB -3
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -4
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -5
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -6
F.G.
10.80
--
LEACHING RECHARGE BASIN
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OF LOAM
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AND SEED
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PAVED WATERWAY
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LAYER COMPACTED
GRAVEL
SUBSURFACE
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SECTION W
k 4
BITUMINOUS CONCRETE SWALE DETAIL
(NOT TO SCALE)
BITUMINOUS
i CONCRETE
SWALE
(SEE DETAIL)
6' STONE MZ02.4 MASS
DPWDPW MASS
STD. SPECS
Dn ¢ A
M2.02.4 MASS DPW
STANDARD SPECS.
SIEVE
PERCENT
SIZE
PASSING
81NCH
95%100%
41NCH
O%-25%
2 1 INCH
0%-5%
1
I
MIRAFI TM8 SLOPE REINFORCEMENT MAT TO BE
INSTALLED PER MANUFACTURERS SPECIFICATIONS
FULL WIDTH AND DEPTH OF GRASS LINED SWALE.
GRASS LINED SWALE TO BE LOAMED (3 -MIN.)
AND HYDROSEEDED ACCORDING M MIRAFI
RECOMMENDATIONS
t
r
GRASSUNED
SWALE
SWALE - PLAN VIEW
OUTLETS TO
LEACHING
- RECHAGE BASIN
8' DIA HOPE
PIPE
PRECAST
—CONCRETE
RISERS
-6" STONE - M2.02.4 MASS
DPW STD. SPECS
24'x 48'
OPENING
18' 24" MIN. 4' MIN.
40 MIN. LAYER NORTH AMEPoCAN GREEN C350
SHOULDER OF LOAM & NRF REINFORCEMENT MAT (OR
HYDROSEED APPROVED EQUAL).
(WSSM)
BIT. CMM BERM —
2 2 2
r i
COMPACTED o, MAX 1
PAVEMENT GRAVEL ) .,MAX 1 i MAXWAX
PAVEMENT
i (E 12'MIN r ..
COMPACTED
GRANULAR
FILL
,1:12MIN. EXISTING COARSE
;. SAND OR COARSE. AN' FILL
SWALE - SECTION
GRASS LINED SWALE DETAIL
'(NOT TO SCALE)
DRAINAGE SCHEDULE OF ELEVATIONS
STRUCTURE
RIM
INV. IN
INV. OUT
DESCRIPTION
CB -1
12,50
--
11.00
DOUBLE GRATE CATCH BASIN
CB -2
12.50
--
11.00
DOUBLE GRATE CATCH BASIN
CB -3
12.50
--
11.00
DOUBLE GRATE CATCH BASIN
CB -4
14.50
--
11.00
DOUBLE GRATE CATCH BASIN
CB -5
13.50
--
11.00
DOUBLE GRATE CATCH BASIN
CB -6
12.50
--
11.00
DOUBLE GRATE CATCH BASIN
'
I
I
LRB -1
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -2
F.G.
10.80 i
--
LEACHING RECHARGE BASIN
LRB -3
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -4
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -5
F.G.
10.80
--
LEACHING RECHARGE BASIN
LRB -6
F.G.
10.80
--
LEACHING RECHARGE BASIN
*F.G. REPRESENTS FINISH GRADE
I
4" LAYER OF LOAM (ROLLED AND
SEEDED WITH WSM)— SHOULDERS
AND SIDE SLOPES—BOTH SIDES
PITCH
UNITS TO BE COVERED
FILTER FABRIC1' x 2" x 4' WOODEN MIRAFI 140 NC FILTER FABRI
STAPLE FABRIC STAKE 6' ON CENTER INTERFACE PRIOR TO BACKFILL
M POST.
CULTEC
N CONTACTOR MIRAFI 600X GEOTEXTILE' 2'-0"
SLOPE 2'-0' 10OHD
a _ _
tom!.' O O t O t l , () O O ' O o f"
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BURY BOTTOM OF r, { c.1
FILTER FABRIC IN =
6' x 6" TRENCH _
;t JJ �4,vn t:t tr C., Cr" Cryf't?�rr�
(; C ( ,-. r F i t) i'1 n - r `� t
` ',.`. r J
6" STONE BASE 3/4" - 1 1/2" DOUBLE
36` (TYP.) WASHED CRUSHED STONE
SILT FENCE DETAIL
NOT TO SCALE
z
IERI
PITCH
SHOULDER 2% MIN. PITS ' ' SHS OULDER '
2
1 MAX. .. °'; ..
3
1 1 MAX..
'
111- _I 11=1111
1
III
1" FINISH COURSE, TYPE 1-1 BIT. CONC.
2' BINDER COURSE, TYPE 1-1 BIT. CONC.
12" PROCESSED GRAVEL BASE COURSE
(COMPACTED 95% DRY DENSITY AASHTO TEST METHOD C)
(MASS. SPEC. M1.03.1)
GRANULAR SUB BASE
TYPICAL SECTION THROUGH
PROPOSED ACCESS DRIVEWAY
NOT TO SCALE
TWO (2) 24- SQUARE CAST IRON FRAME & GRATES
(64 OPENINGS 0 2-1/4" SQUARE PER GRATE)
MAX,2 1 6" STONE - M2.02.4 MASS ADJUST FRAME & GRATES TO KNISH GRADE WITH
r -DPW SID. SPECS. BRICK COURSES AS REQUIRED
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6- DIA HDPE PIPE (SEE PLAN
FOR NUMBER OF OUTLETS)
j
TOP SLAB
;�.A. PRECAST REINFORCED
CONCRETE BASIN
FACTORY WATERPROOFED
BUM JOINT SEALANT TOTAL WIDTH
OF WALL AND PIPE OPENINGS (TYP)
CTENDED BASE
SEE NOTE 2
PRECAST CONCRETE DOUBLE GRATE CATCH BASIN
NOT TO SCALE
GENERAL NOTF_S:
1) ALL REINFORCING STEEL MUST CONFORM TO THE LATEST ASTM A185 AND/OR A615 GRADE 60. SEE TABLET FOR
STEEL REINFORCEMENT REQUIREMENT.
2) STEEL REINFORCEMENT FOR BASE SECTION BOTTOM SHALL BE A MIN. OF 0.12 SQ. IN/LINEAL FT. (BOTH WAYS)
3) CATCH BASIN SPECS. CONFORM TO THE LATEST ASTM C478 SPEC. FOR "PRECAST REINFORCED CONCRETE
MANHOLE SECTIONS".
4) MORTAR SHALL CONFORM TO SECTION M4.02.15 OF THE MASSACHUSETTS D.P.W. STANDARD SPECS. FOR
HIGHWAYS AND BRIDGES.
5) PIPE TO CATCH BASIN CONNECTIONS SHALL BE MADE WITH NON—SHRINK GROUT OR HYDRAULIC CEMENT.
ONE POUR MONOLITHIC BASE SECTION.
6) ANY NECESSARY ADJUSTMENTS DURING CONSTRUCTION WILL BE DONE BY SAW—CUTTING AND/OR CORING ONLY.
NO JACKHAMMERS, HAMMERS, CHISELS OR PNEUMATIC TOOLS WILL BE ALLOWED.
7) RED CLAY BRICK SHALL CONFORM WITH SECTION M4.05.2 CLAY BRICK OF MASSACHUSETTS D.P.W. STANDARD
SPECS. FOR HIGHWAY AND BRIDGES.
8) FILTER FABRIC SHALL BE SET UNDER CATCH BASIN GRATES TO PREVENT SILTATION TO THE BASINS UNTIL SITE
HAS BEEN STABILIZED.
CHAMBERS ARE TO BE LAID LEVEL
TYPICAL SECTION - CONTACTOR 10OHD BED
(NOT TO SCALE)
ARROWS STAMPED ON UNITS
MUST POINT TOWARD INLET.
//NN//" "//" I
8" DIA HDPE PIPE 14' MIN. - 95% COMPACTED FILL
6" DIA HDPE PIPE _ _ _
o o e e e e��� e a o • e e e ��� e e o a • e e e e e
I e e e e e e e e e e o o e e e a e e e e e
LENGTH VARIES (SEE PLAN)
FOR EACH TRENCH: USE THE FOLLOWING
NOTE: CULTEC — MODEL CONTACTOR "CULTEC—MODEL CONTACTOR 10OHD" UNITS
10OHD UNITS SHALL BE INSTALLED 1 — 10OHD S (STARTER)
IN STRICT COMPLIANCE WITH MFG I 10OHD INTERMEDIATE
WRITTEN SPECIFICATIONS. 3 — (INTERMEDIATE)
1 — 10OHD E (END)
TYPICAL SIDE VIEW — CONTACTOR 10OHD BED
(NOT TO SCALE)
B" DIA. HDPE
FROM CATCH
6' DIA. HDPE PIPE'
B' DIA. HDPE
FROM CATCH
8' DIA
MANIR
--------
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5' SOIL REMOVAL NOTES:
SEE PLAN FOR LENGTH DRAINAGE RECHARGE STRUCTURES TO BE PLACED IN CLEAN COARSE SAND.
CONTRACTOR TO PERFORM A SOIL TEST AND NOTIFY ENGINEER FOR ON SITE
INSPECTION OF SOILS PRIOR TO INSTALLATION OF ANY DRAINAGE SYSTEM
i COMPONENTS. STRUCTURE MAY BE PLACED ABOVE COARSE SAND LAYER PROVIDED
CONTRACTOR PERFORMS A 5' SOIL REMOVAL AROUND BASIN DOWN TO THE COARSE
SAND HORIZON. REMOVAL TO BE FILLED IN ACCORDANCE WITH NOTE BELOW TO TOP
OF STRUCTURE (CONTRACTOR SHALL INCLUDE A UNIT COST FOR REMOVAL AND
REPLACEMENT IN THE BID PRICE).
CULTEC STORMWATER RECHARGE CHAMBERS ARRANGED IN FIELD CONFIGURATION WITH
ROWS OF CONTACTOR 10OHD UNITS. ROWS TO BE SPACED 4" APART WITH 2' OF
z STONE ON THE ENDS AND 7 STONE ON THE SIDES (SEE PLAN FOR NUMBER OF ROWS
a AND NUMBER OF CONTACTOR UNITS PER EACH CONFIGURATION)
FILL MATERIAL FOR SYSTEMS CONSTRUCTED IN FILL SHALL BE CLEAN GRANULAR SAND,
FREE OF ORGANIC MATTER AND OTHER DELETERIOUS MATERIALS. THE SAND SHALL BE
GRADED SUCH THAT NOT MORE THAN 45% OF THE SAMPLE, BY WEIGHT, SHALL BE
RETAINED ON THE #4 SIEVE. THE FILL SHALL NOT CONTAIN ANY MATERIAL LARGER
THAN 2 INCHES. THE MATERIAL THAT PASSES THE J4 SIEVE SHALL MEET THE
FOLLOWING GRADATION REQUIREMENTS:
r
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1,
PORT
'-------------------N --------------
TYPICAL PLAN VIEW — CONTACTOR 10OHD BED
(NOT TO SCALE)
FINISH GRADE
4 MIL POLY OVER A 4' LAYER!
OF 1/8' TO 1/2" STONE
4' DIA. DRAIN PIPE
2' DIA
PRECAST
�i CONCRETE `
N DRYV01
10'-0"
TYPICAL DRYWELL
SIEVE
PERCENT
SIZE
PASSING
4 4
100%
IT 50
1107r100%
111 100
0%-20%
A 200
0%-5%
• 1[RON FRAME & COVER CULTEC
COVER
FINISH GROUND 8" CONCRETE COLLAR
6* INTERNAL6" PVC PIPE RISE!, ....e.�e....
0NG
COUPLI .•.e...e...
..•........, 1,z 7., ...e.
1 00e.........e.:. f
.................L..... 1 .1.
DOUBLED m r ••••�-
................ :-i �. - i
STORMWATER RECHARGE BASIN DETAILS
(NOT TO SCALE)
INSPECTION PORT
;SUED FOR REGULATORY REVIEW 07/27/07
OASTAL
NGINEERING
OMMY, INC.
260 Cranberry Hwy. Orleans, MA 02653
508.255.6511 Fax: 508.255.6700
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SCALE
AS NOTED
DRAWING FILE
C16755.dwg
DATE
7-27-07
DRAWNBY
SMR
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02.4.1
OF 4 SHEETS
o PROJECT NO. 016755.00
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