HomeMy WebLinkAbout83-99 Construction Details2A
DROP INLET WITH GRATE
FILLED SAND BAGS, STACK
TIGHTLY FITTED AROUND y
PERIMETER OF INLET TO
PREVENT SEDIMENT WASH
INTO INLET.
STRAW_ BALE INLET -PROTECTION
NO SCALE
30'
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PLAN VIEW
TYPICAL
24" ti
PROFILE VIEW
TEMPORARY SEDIMENT TRAP
OUTLET F
ROCK RIP -RAP
APRON OVER GEOTEXTILE
NOTE:
ALL RIP -RAP APRONS SHALL HAVE A GEOTEXTILE
UNDERLAYMENT OF POLYFELT TS650 OR EQUIVALENT.
OUTLET PROTECTION DETAIL
SIZE OF STONE
% OF TOTAL WEIGHT
LARGER THAN GIVEN SIZE
3K
0
2K
20
K
50
0.1 K
90
WHERE K = d
NOTE: DEPTH OF RIP -RAP
BE LESS THAN 3 x d
RIP -RAP GRADATION TABLE
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TEMPORARY CONSTRUCTION
NO SCAU
Grooved end on outlet end
Tongue end on inlet end.
D
C - B = (D - C) 'I
i
cd
`° A 0
3" -
I
Grooved (or tongue) to be the o
same as on Standard Reinforced
Concrete Pipe ASTM Designation
C-76
6"
CLASS 'A' CONCRETE
A ---*J
LONGITUDINAL SECTION
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PLAN VIEW
PRECAST CONCRETE END SECTION
ENTRANCE
DIA.
T (Min.)
A x
C x
D x
E x
K
R1
R2
Approx.
Weight
12"
2"
5"
4'-3"
6-2"
2'-0"
1.3
10 VS"
9"
800
15"
2*"
7"
4--0„
6-3"
2'-0"
1.5
12 12"
11"
1100
18"
2*"
11"
4'-1"
6'-2'
3'-0"
1.8
15 12"
12"
1300
21"
2"
11"
3'- 6"
6-3"
3'-6"
2.1
16 1/8"
13"
1500
24"
3°
1"-0"
2'-8"
6'-3"
4'-0,,
2.3
16 3/16"
14"
1800
27"
3*"
T-1"
2'-5"
6-3"
4'-6"
2.6
16 M6"
14 12"
2100
30"
3*"
V-2"
V-10"
6-3"
5-0"
2.9
18 12"
15"
2400
33"
3*"
l'-3"
3'-6"
8' 3"
5-6"
3.1
23 3/4"
17 12"
4100
36"
4"
V-5"
3'-1"
8'-3"
6'-0"
3.4
124 5,16"
1 20"
4200
x Tolerance +/- 1"
CONCRETE IN THESE END SECTIONS SHALL BE THE SAME GRADE AND STRENGTH AS
SPECIFIED FOR REINFORCED CONCRETE PIPE, A.S.T.M. DESIGNATION C-76 CLASS II
(AS SET OUT IN STANDARD SPECIFICATIONS)
REINFORCEMENT IN THE "C" PORTION SHALL BE THE SAME AS SPECIFIED FOR REINFORCED
CONCRETE, A.S.T.M. DESIGNATION C-76 CLASS II FOR THE SIZE OF CONNECTING PIPE.
REINFORCEMENT IN THE "B" PORTION SHALL HAVE A CROSS SECTIONAL AREA EQUAL TO THAT
OF ONE LAYER OF STEEL IN THE "C" PORTION.
THE END OF THE PIPE CULVERT SHALL BE PLACED IN THE CONCRETE END SECTION SO THAT
THE FLOW LINES ARE FLUSH. THE JOINT SHALL BE COMPLETELY FILLED WITH MORTOR.
IN 3:1 OR 4:1 FILL SLOPE, CHANGE TO THE SLOPE OF THE END SECTION IN A SMOOTH,
PLEASING TRANSITION APPROXIMATELY 10'-0" IN LENGTH.
VARIATIONS IN DIMENSIONS - THE THICKNESS OF THE CONCRETE, THE POSITION OF STEEL,
AND THE INTERNAL DIAMETER OF THE PIPE SHALL CONFORM WITH THE VARIATIONS IN DIMENSIONS
AS PROVIDED IN THE SPECIFICATIONS FOR REINFORCED CONCRETE CULVERT, STORM DRAIN,
AND SEWER PIPE, A.S.T.M. DESIGNATION C-76,
WHERE VITRIFIED CLAY CULVERT OR CAST IRON CULVERT IS USED, A "PIPE END SECTION"
COMPARABLE TO THAT AS SHOWN FOR METAL OR CONCRETE SHALL BE FURNISHED AND SHALL BE AS
APPROVED BY THE ENGINEER. EXCEPT IN AREAS OF ACID OR MINE WATER THEN THE USE
OF METAL END SECTION IS PROHIBITED.
END SECTIONS WILL BE PAID FOR AT THE CONTRACT UNIT PRICE EACH FOR "PIPE END SECTION"
COMPLETE IN PLACE AND ACCEPTED.
CONCRETE PIPE TOE ANCHORS SHALL BE REQUIRED ON ALL CONCRETE PIPE END SECTIONS.
THE COST THEROF SHALL BE INCLUDED IN THE CONTRACT UNIT PRICE PER EACH FOR
"PIPE END SECTION."
STABILIZATION
PRACTICE JAN. FEB. MAR. APR, MAY JUN. JUL AUG. - SEPT. _ OCT.- _NOV. __ DEC.
PERMANENT A
SEEDING
DORMANT B -D B-�
SEEDING
--- ---------------------------------------
C D
SEEDING E
--- - - ---------- - - - - --
F///// I /////// -v
SODDING
MULCHING
A = KENTUCKY BLUEGRASS 40 LBS/ACRE; CREEPING RED FESCUE 40 LBS/ACRE;
PLUS 2 TONS STRAW MULCH/ACRE, OR ADD ANNUAL RYEGRASS 20 LBS/ACRE.
B = KENTUCKY BLUEGRASS 60 LBS/ACRE; CREEPING RED FESCUE 60 LBS/ACRE;
PLUS 2 TONS STRAW MULCH/ACRE, OR ADD ANNUAL RYEGRASS 30 LBS/ACRE.
C = SPRING OATS 3 BUSHEL/ACRE
D = WHEAT OR RYE 2 BUSHELlACRE
E = ANNUAL RYEGRASS 40 LBS/ACRE. (1 LB/1000 SQ. FT)
F = SOD
G = STRAW MULCH 2 TONS/ACRE.
! �E I CIE / IRRIGATION NEEDED DURING JUNE, JULY, AND/OR SEPT.
IRRIGATION NEEDED FOR 2 TO 3 WEEKS AFTER APPLYING SOD.
_SEASONAL- SOIL PROTECTION
1 STAPLE PER
SO. YD.
2 STAPLES PER
SQ. YD.
1* STAPLES PER
SQ. YD.
X1 x x
i 120" I�
CHART
MEDHIGH
FLOW
CHANNEL
SHORELINE
LOW
FLOW
CHANNEL
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3* STAPLES PER
SO. YD.
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4:1
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C
C
B
C
B
C
B
A
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EROSION CONTROL BLANKET
STAPLE PATTERN
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DATE: AUGUST
19, 1999
SCALE: WA
PROJECT N0.111-1194
SHEET NO.
�I
C111
1194DET.DGN