23-122 Sidewalk Plan
44 KB Posted
- Solicitation number
- 23-122
- Issued by
- Dekalb County, Brooklet City, Georgia
About this file
This is a sidewalk plan technical drawing document from the Cobb County Department of Transportation related to ITB 23-122. The document contains detailed structural specifications and construction details for retaining wall installations, presenting multiple wall height configurations (4'-0", 6'-0", and 8'-0") with corresponding reinforcement requirements. The plan includes soil properties with an allowable soil pressure of 3,000 PSF, soil weight of 110 PCF, and concrete specifications requiring f'c = 3,000 PSI with fy = 60,000 PSI reinforcing steel. The drawing provides comprehensive details on footing dimensions, rebar placement and spacing, weep hole specifications, and finish requirements including ashlar stone facing and exposed concrete treatments. The document was revised on February 1, 2021, and is drawn to scale on Sheet S-2.
The specifications establish material requirements including concrete strength parameters, reinforcement bar sizing and spacing that vary by wall height (ranging from #4 @ 12" to #5 @ 9" depending on configuration), and soil friction coefficients of 0.40. The plan indicates 3-inch diameter weep holes with equivalent membrane drainage systems containing either burlap bags or no. 57 stone in 1 cubic foot increments, designed to provide free-draining characteristics with specific permeability coefficients. Contractor options are permitted for certain design elements, including the potential elimination of bar G at the contractor's discretion, and dimensional tolerances are specified throughout with 2:12 slope requirements at 8'-0" on-center spacing.
Text of this file
M
IN
H
WALL AT CONTRACTORS OPTION
BAR G EXTENDED TO THE TOP OF
BAR E MAY BE ELIMINATED AND
#4 @ 18" MAX.
#4 @ 12"
PER DOT SPECIFICATIONS
ASHLAR STONE FINISH
SHALL RECEIVE AN
EXPOSED CONCRETE FACE
#4 @ 18" MAX.
E
#4 @ 12" MAX.
SCREEN
NO. 8 MESH
G
2" CL.
3" CL.
W A
L L
H E
IG
H T
D
B
1’-0"
C
5’-0" MINIMUM
A 1’-6"
"B"
NOTE
SEE
"A"
NOTE
SEE
WALL HGT.
4’-0"
6’-0"
8’-0"
A
12"
12"
B C
6"
6"
1’-6"
2’-9"
4’-0"
D
6’-6"
6’-6"
8’-0"
E
#4 @ 12"
#4 @ 12"
#5 @ 9"
F
#4 @ 12"
#4 @ 12"
#5 @ 9"
G
#4 @ 12"
#4 @ 12"
#5 @ 9"
H
2’-0"
2’-0"
2’-2"
J
#4 @ 12"
#4 @ 12"
#4 @ 9"
SLOPED 2:12 @ 8’-0" O.C.
3" DIA. WEEP HOLE
" CHAMFER EA. FACE4
#4 @ 12" MAX.
J
F
3" CL.
3" CL.
3" CL.
12" 2’-0"
N.T.S.
SHEET:SCALE
S-2
COBB COUNTY
DEPARTMENT OF TRANSPORTATION
SOIL PROPERTIES:
ALLOWABLE SOIL PRESSURE
SOIL WEIGHT
C 0
= 110 PCF
3,000 PSF
SURCHARGE = 0 PSF
REINFORCING _________
CONCRETE ___________
MATERIALS:
LOADS:
fy = 60,000 PSI f’c = 3,000 PSI
=FOOTING/SOIL FRICTION 0.40
LOCATION (TYP.)
@ EACH WEEP HOLE
EQUIVALENT MEMBRANE
A BURLAP BAG OR
STONE CONTAINED IN
1 CU. FT. OF NO. 57
NOTE "A"
PER DAY
TO 100 TO 500 FEET
PERMEABILITY EQUAL
A COEFFICIENT OF
FINE AGGREGATE WITH
OF FREE DRAINING
CONTINUOUS BLANKET
NOTE "B"
REVISION DATE
2/1/2021
Other files
| File | Type | Posted |
|---|---|---|
| Plans | — | |
| Specifications | — | |
| Award Information | — | |
| Bid Form | — | |
| 23-122 Wall Plan | — | |
| 23-122 Addendum #1 Handrail | — | |
| 23-122 NOIA | — | |
| 23-122 Plans | — | |
| Award Information | — | |
| Addendum 1 Arborist | — | |
| 23-122 addendum #1 | — | |
| 23-122 Bid Packet | — | |
| 23-122 Bids | — | |
| 23-122 revised plans | — | |
| 23-122 Sample Contract | — |
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