06-M-608-1_Curb_Ramps.pdf
PDF 2 MB Posted
- Attached to
- 2025 Residential Streets Program State and local contract opportunity
- Solicitation number
- 25-022
- Issued by
- Colorado
About this file
This document is a standard engineering plan sheet (M-608-1) from the Colorado Department of Transportation (CDOT) Project Development Branch, dated July 31, 2019, focusing on Type 2 Curb Ramps and their typical configurations. The sheet provides detailed technical diagrams illustrating various curb ramp designs, including small radius, large radius, and diagonal configurations, with specific emphasis on pedestrian accessibility standards. The technical drawings demonstrate placement guidelines for curb ramps, including minimum dimensions, slope requirements, detectable warning surfaces, and grade break orientations.
The standard plan sheet includes critical technical specifications such as a 3-inch minimum curb height, landing area running slope preferences (2% preferred, 5% maximum), and ramp cross slope requirements. The document notes that these placements are typical configurations and that alternative ramp orientations may be acceptable if they conform to established standards and receive engineer approval. The sheet is part of a comprehensive set of standard plans (Sheet 5 of 10) that provide guidance for constructing pedestrian curb ramps that meet accessibility standards, likely intended to support infrastructure projects involving street and sidewalk improvements.
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Text version
..., ..., ...,CROSSWALK BAR ..., ...,PEDESTRIAN CURB DR (TYPICAL) PEDESTRIAN CURB ..., ..., ..., VERTICAL DBSTRUCTIDN ..., ..., PEDESTRIAN CURB ..., ..., ..., 3" MIN. CURB
HEIGHT
LANDING AREA RUNNING
SLOPE 2% PREF., 5% MAX ..
TYPE 2 RAMP (DIAGONAL) MATCH RAMP CROSS SLOPE. TYPE 2 RAMP SMALL RADIUSTYPE 2 RAMPS SMALL RADIUS (CROSSING IN ONE DIRECTION)(3" REDUCED CURB) NOT ALLOWABLE IN NEW CONSTRUCTION/FULL-DEPTH RECONSTRUCTIDN
SEE NOTE GENERAL NOTE 4
NOTE
<J== PLACEMENTS SHOWN ARE TYPICAL CONFIGURATIONS ONLYCURB FACE MAY BE ORIENTED
AND NOT INDICATIVE OF ALL OPTIONS.OTHER RAMP
PERPENDICULAR TD BACK OF CURB CONFIGURATIONS MAY BE ACCEPTABLE AS LONG AS
OR IN THE DIRECTION OF THE THEY CONFORM TO THE CRITERIA IN THESE STAND ARDS,
CROSSING AS SHOWN. AND ARE APPROVED BY THE ENGINEER.
5' MIN.
4' MIN.
PEDESTRIAN CURB
PEDESTRIAN CURB
ALL GRADE BREAKS PERPENDICULAR
TO PATH OF PEDESTRIAN TRAVEL
ALL GRADE BREAKS PERPENDICULAR
TO PATH OF PEDESTRIAN TRAVEL
TURNING SPACE
(SEE NOTE 4, 5, 6 - SHEET 4)
ALL GRADE BREAKS PERPENDICULAR
TD PATH OF PEDESTRIAN TRAVEL
DETECTABLE WARNING SURFACE (DWS)
SEE DWS SHEETS FOR PLACEMENT
DETAILS
TYPE 2 RAMP LARGE RADIUS
(CROSSING IN ONE DIRECTION) ◄◄--- RAMP RUNNING SLOPE
TYPE 2 RAMPS LARGE RADIUS <J== RAMP CROSS SLOPE
TYPE 2 CURB RAMPS TYPICAL CONFIGURATIONS
Com uter File Information
CR-X >
CH)
CR-X)
(R-X)
Sheet Revisions Colorado Department of Transportation 2829 West Howard Place ~ COOT HO, 3rd Floor
~ Denver, CO 80204 ~ Phone: 303-757-9021 FAX: 303-757-9868
Project Development Branch JBK
CURB RAMPS
STANDARD PLAN NO.
Creation Date: 07/31/19 Date: Comments M-608-1Designer Initials: JBK
1----
1----
+-------------1
+-------------1
------------1 Last Modification Date: 07/31/19 Standard Sheet No. 5 of 10 Detailer Initials: LT A
Issued by the Project Development Branch: July 31, 2019 Project Sheet Number:CAD Ver.: MicroStation VB Scale: Not to Scale Units: English
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