HW-0813_01_-_Granite_Transistion_Curbing.pdf
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- Solicitation number
- CWB014279
- Issued by
- Fairfield County, Bridgeport City, Connecticut
About this file
This is a standard sheet specification document issued by the Connecticut Department of Transportation (CTDOT) detailing granite stone transition curbing installation requirements. The document, designated as Standard Sheet No. HW-813_01 and dated October 22, 2024, provides technical specifications and installation details for granite stone transition curbing used in roadway and bridge applications throughout Connecticut. The curbing specifications include dimensional requirements such as 1-inch diameter dowels, 6-inch spacing, 15 to 17-inch height dimensions, and 8 to 12-inch base granular specifications. The document addresses multiple installation scenarios, including curbing adjacent to roadways, on bridge parapets, on sloped surfaces, and adjacent to vertical concrete barriers. New installations of this curbing are permitted only on the Merritt Parkway, with all transition curbing sections required to be 2 feet long and cut on an angle to match field conditions and the parkway's slope. The standard sheet was approved on January 21, 2025, by Michael N. Calabrese, P.E.
This specification document serves as a technical standard for payment and construction purposes under CTDOT contract line items designated as "Granite Stone Transition Curbing" and "Reset Curbing." The granite stone curbing, including dowels, is compensated at the contract unit price specified in project bid documents. For new R-B 350 guiderail transitions, existing curbing height adjustments to achieve a 4-inch reveal at the bridge parapet may be required and paid under the reset curbing item when noted on project plans. The specifications ensure consistency and quality control across CTDOT projects by establishing standardized installation methods, material dimensions, and slope requirements for transition curbing applications throughout Connecticut's transportation infrastructure.
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Text version
GRANITE STONE TRANSITION CURBNG
DOWEL
TOP OF CURB
TRANSITION CURBING
GRANITE STONE
TRANSITION CURBING
GRANITE STONE
TOP OF CURB
ELEVATION
PLAN
1-⅝'' DIA. DOWEL
6'' 6''
20' +
PAY LIMIT GRANITE STONE TRANSITION CURBING SEE NOTE 2
GRANITE STONE TRANSITION CURBING
GUTTER LINE VARIES
GENERAL NOTES:
15''- 17''
4'' MAX.
3'' MIN.
8'' MINIMUM
12'' MAXIMUM
BASE
GRANULAR
NO ADJACENT ROADWAY CURBING
ADJACENT TO BRIDGE CURBING WITH
GRANITE STONE TRANSITION CURBING
DETAIL SHOWING INSTALLATION OF
GUTTER LINE ON BRIDGE
DOWELBRIDGE PARAPET
VARIES
TOP OF CURB
TRANSITION CURBING
GRANITE STONE
TRANSITION CURBING
GRANITE STONE
TOP OF CURB
BRIDGE PARAPET
TOP OF BRIDGE CURB
CURBING FOR BRIDGES
SLOPED GRANITE STONE
ELEVATION
PLAN
3''
1-⅝'' DIA. DOWEL
4"
20' +
PAY LIMIT GRANITE STONE TRANSITION CURBING SEE NOTE 2
CURBING FOR BRIDGES
SLOPED GRANITE STONE
4'' M
AX.
3'' M
IN
8'' MINIMUM
12'' MAXIMUMBASE
GRANULAR
2"
GUTTER LINE
VERTICAL CONCRETE FACE
VERTICAL CONCRETE FACE
CONCRETE STRUCTURE
6'' 6''
FINISHED GRADE
FINISHED GRADE
AT VERTICAL FACE
GRANITE STONE TRANSITION CURBING
INSTALLATION OF
TYPICAL SECTION SHOWING
GUTTER LINE VARIES
TRANSITION CURBING
GRANITE STONE
AT SLOPED GRANITE BRIDGE CURBING
GRANITE STONE TRANSITION CURBING
INSTALLATION OF
TYPICAL SECTION SHOWING
PAVEMENT
EDGE OF
PAVEMENT
EDGE OF
PAVEMENT
EDGE OF
PAVEMENT
EDGE OF
4"
8"-10''
2"
WITH NO ADJACENT ROADWAY CURBING
VERTICAL FACE CONCRET BRIDGE BUILD-OUT
ADJACENT TO VERTICAL CONCRETE BARRIER OR
GRANITE STONE TRANSITION CURBING
DETAIL SHOWING INSTALLATION OF
ON AN ANGLE TO FIT FIELD CONDITIONS
TRANSITION CURBING SHALL BE CUT
FIRST SECTION OF GRANITE STONE
ON AN ANGLE TO FIT FIELD CONDITIONS
TRANSITION CURBING SHALL BE CUT
FIRST SECTION OF GRANITE STONE
CURBING SHALL BE 2'-0" LONG.
SLOPED GRANITE STONE CURBING ON THE BRIDGE. ALL SECTIONS OF THE TRANSITION
4. GRANITE STONE TRANSITION CURBING SHALL BE INSTALLED TO MATCH THE SLOPE OF
MERRITT PARKWAY.
3. NEW INSTALLATIONS OF THIS CURBING SHALL ONLY BE ALLOWED ON THE
IT MAY BE PAID FOR, WHEN NOTED ON THE PLANS, UNDER THE ITEM "RESET CURBING".
CURBING HEIGHT TO A 4" REVEAL AT THE BRIDGE PARAPET WILL BE REQUIRED.
2. FOR NEW R-B 350 GUIDERAIL TRANSITIONS, ADJUSTMENT OF EXISTING
FOR AT THE CONTRACT UNIT PRICE FOR "GRANITE STONE TRANSITION CURBING".
1. GRANITE STONE TRANSITION CURBING (INCLUDING DOWEL) WILL BE PAID
STANDARD SHEET TITLE: STANDARD SHEET NO.:
10/22/2024
SIGNATURE BLOCK:
HW-813_01
PLOTTED DATE:
NOT TO SCALE
NEWINGTON, CT 06111
2800 BERLIN TURNPIKE
OFFICE OF ENGINEERING
STANDARD SHEET
CTDOT
SUBMITTED BY: APPROVED BY:
TRANSPORTATION
DEPARTMENT OF
CONNECTICUT
| 2024-12-16T14:00:34-0500 | |
| Leo Fontaine, P.E. |
| 2025-01-21T13:14:17-0500 | |
| Michael N. Calabrese, P.E. |
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