71-Sec 32 17 26 - ADA DETECTABLE WARNING SURFACE.pdf
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- Solicitation number
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- Bucks County, Pennsylvania
About this file
This is a technical specification document for ADA detectable warning surface installation as part of Bristol Township's 2026 Road Paving, Inlet Replacement, and Curb Ramp Program in Pennsylvania. The work encompasses the installation of ADA and PennDOT-compliant detectable warning surfaces at specified locations throughout the township. The detectable warning tiles must be manufactured by a PennDOT Bulletin 15-approved manufacturer and comply with ADA regulations. The tiles are polymer composite units composed of epoxy polymers with aluminum oxide particles in truncated domes, measuring 24 inches in width with a face thickness of 0.1875 inches (±5% maximum), and featuring a brick red color. Tiles must be embedded cast-in-place type and installed across the full width of ramps at grade breaks near street edges. Installation must be performed according to manufacturer recommendations and without creating tripping hazards. All tiles must be protected from damage during the construction period.
Contractors must demonstrate a minimum of five years of experience with tile installations and submit certifications that all tiles meet or exceed designated specifications, along with a list of similar projects and a resume for the project superintendent establishing their qualifications. The manufacturer must provide a five-year written guarantee covering defective work, breakage, deformation, and tile loosening from the date of final completion. All material, labor, and equipment necessary for the project must comply with PennDOT Publication 408 and Township Standards as outlined in the broader curb ramp program documentation.
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Text version
ADA DETECTABLE WARNING TILES
32 17 26-1
SECTION 32 17 26
ADA DETECTABLE WARNING SURFACE
PART 1 GENERAL
1.01 DESCRIPTION OF WORK
A. This Work is the installation of ADA/PennDOT compliant detectable warning surfaces (DWS) at locations specified in the field and on the drawings.
1.02 SUBMITTALS
A. Certifications: Submit certifications that all tiles will meet or exceed designated specifications.
B. Qualifications of Installer:
1. Installer shall have a minimum of five (5) years of experience with tile installations.
2. Installer shall submit for approval, a list of projects similar in nature and size that establishes his/her ability to complete this project. A resume for the project superintendent should be submitted to establish his/her ability to complete the project. If for any reason, the qualifications are not acceptable, work shall not commence until an acceptable installer is found.
PART 2 PRODUCTS
2.01 DETECTABLE WARNING TILES
A. Detectable warning tiles to be manufactured by a PennDOT Bulletin 15 approved manufacturer.
1. Detectable Warning Surfaces shall be compliant with ADA and PennDOT regulations.
2. Detectable Warning Surfaces shall be of the Polymer Composite type composed of epoxy polymers employing aluminum oxide particles in the truncated domes.
4. Detectable warning surface shall be of the embedded cast-in-place type, Brick Red color.
3. Dimensions: Detectable Warning Surfaces shall be held within the following dimensions and tolerances:
Width: 24” nominal
Face Thickness: 0.1875 +/- 5% max.
Warpage of Edge: 0.5% max.
Length: as required to be provided across the full width of the ramp at the grade break near the street edge
B. Color shall be Brick Red.
C. Detectable warning surface shall be guaranteed in writing for a period of five years from date
ADA DETECTABLE WARNING TILES
32 17 26-2 of final completion. The guarantee must include defective work, breakage, deformation, and loosening of tiles.
PART 3 EXECUTION
3.01 INSTALLATION
A. Installation shall be performed according to manufacturer’s recommendations.
B. Tile shall be installed in a manner which does not create a tripping hazard.
3.02 CLEANING AND PROTECTION
A. Protect tiles against damage during construction period to comply with manufacturer’s specification.
END OF SECTION
PART 1 GENERAL
File details come from the government source that posted it. Updated .