46-Sec 32 17 23.43 - ADA DETECTABLE WARNING TILES.pdf
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- Attached to
- 2500999 - Canterbury Storm Sewer Replacement State and local contract opportunity
- Solicitation number
- Not on record
- Issued by
- Montgomery County, Mount Aetna CDP, Pennsylvania
About this file
This is a specification document for ADA detectable warning tiles related to the Canterbury Storm Sewer Replacement project being conducted by Montgomery Township in Pennsylvania. The project involves the removal and replacement of approximately 1,800 feet of storm sewer piping ranging from 12 inches to 57 inches by 38 inches in diameter on Canterbury Lane and Devonshire Drive. Work scope includes construction of new circular HDPE pipe and elliptical RCP storm sewer, replacement of three precast concrete storm sewer structures, and restoration of concrete curb, sidewalk, driveway apron, and asphalt roadway. Sealed bids are due by 10:00 A.M. on September 1, 2026, with public opening and reading at Montgomery Township offices located at 1001 Stump Road, Montgomeryville, PA 18936. Bids must be submitted electronically via the PennBid Program. No pre-bid meeting will be held for this project.
Bid security in the amount of not less than ten percent of the bid amount is required, payable to Montgomery Township, along with an Agreement of Surety certifying that required Performance and Payment Bonds will be provided if awarded. PennBid assesses a nominal fee of 0.33 percent of the bid amount (minimum $150, maximum $6,000) to awarded bidders only. The project is subject to Pennsylvania's Act 422 Prevailing Wage Act and Act 127 Public Works Employment Verification requirements. Bids may be withdrawn within two business days after opening. All bid documents and solicitation details are available at no cost on PennBid.
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Text version
ADA DETECTABLE WARNING TILES
32 17 23.43-1
SECTION 32 17 23.43
PART 1 GENERAL
1.01 DESCRIPTION OF WORK
A. This Work is the installation of replaceable wet set warning surfaces to be installed in locations as 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. Contractor shall provide replaceable wet set detectable warning tiles, brick red in color, as manufactured by Armorcast Products Company, 13230 Saticoy Street, North Hollywood, California 91605, Phone: (818) 982-3600, Armorcastprod.com or an approved equivalent.
B. TILES IN PEDESTRIAN / LIGHT TRAFFIC AREA:
1. Tiles shall be compliant with ADA regulations.
2. Tiles shall be of the Vitrified Polymer Composite type composed of epoxy polymers employing aluminum oxide particles in the truncated domes.
3. Dimensions: Detectable Warning Surfaces shall be held within the following dimensions and tolerances:
Length and Width*: 24”x48” nominal *The width of the Detectable Warning Surface is subject to change and shall extend the entire width of the ramp.
Face Thickness: 0.1875 +/- 5% max.
Warpage of Edge: 0.5% max.
4. Water Absorption – ASTM D 570-98 less than 0.5%.
5. Slip resistance - ASTM C1028-96 greater than 0.80.
6. Compressive Strength – ASTM D 695-02a greater than 28,000 psi.
7. Tensile Strength – ASTM D 638-03 greater than 19,000 psi.
8. Flexural Strength – ASTM D 790-03 greater than 25,000 psi.
9. Chemical Stain Resistance – ASTM D 593-95 no discoloration or staining.
32 17 23.43-2
10. Abrasive Resistance – ASTM D 2486-00 less than 0.060 after 1000 cycles.
11. Wear Resistance - ASTM C 501-84 greater than 500.
12. Fire Resistance – ASTM E 84-05 flame spread less than 15.
13. Impact Resistance - ASTM D 5420-04 greater than 550 in. lbf/in.
14. Accelerated Weathering – ASTM G 155-05a for 3000 hrs. ΔE < 4.5 tile color 33538, no fading or chalking.
15. Freeze Thaw - ASTM D 1037-99 no cracking, delamination, or other defects.
16. Salt Spray – ASTM B 117-03 for 200 hours no deterioration.
17. AASHTO HB-17 single wheel HS20-44 loading no failure @ 10,400 lbs.
C. Color shall be as directed by Engineer.
D. Detectable warning surface shall be guaranteed in writing for a period of five years from date of final completion. The guarantee must include defective work, breakage, deformation, and loosening of tiles.
E. Tiles shall be of the cast in place type.
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
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