SECTION 32 17 00

DETECTABLE WARNING PLATES

GENERAL

1. SUMMARY
   1. Section Includes:
      1. Detectable warning plates for paving applications.
   2. Related Requirements:
      1. Section 32 13 13.17 – Roller-Compacted Concrete Paving.
      2. Section 32 14 23 – Asphalt Unit Paving.
2. REFERENCE STANDARDS
   1. ADA-ABA Accessibility Guidelines for Buildings and Facilities (ADAAG)
      1. ADAAG 4.29.2 - Detectable Warnings on Walking Surfaces.
   2. Americans with Disabilities Act (ADA)
      1. ADA 705.1.1 - Detectable Warnings; Dome Size.
      2. ADA 705.1.2 - Detectable Warnings; Dome Spacing.
      3. ADA 705.1.3 - Detectable Warnings; Contrast.
      4. ADA 705.2 - Detectable Warnings; Platform Edges.
   3. ASTM International (ASTM)
      1. ASTM A48 - Standard Specification for Gray Iron Castings.
   4. International Code Council (ICC)
      1. ICC A117.1 - Accessible and usable Buildings and Facilities.
   5. American Concrete Institute (ACC)
      1. 1.2.E.1. ACI 530.1 - Specification for Masonry Structures.
   6. American Society of Civil Engineers (ASCE)
      1. ASCE 6 - Building Code Requirements and Specification for Masonry Structures and Related Commentaries.
   7. The Masonry Society (TMS)
      1. TMS 402/602 - Building Code Requirements and Specification for Masonry Structures.
3. SUBMITTALS
   1. Comply with Section [01 33 00 – Submittal Procedures.] [_________.]
   2. Product Data: Provide for each type of product used, including:
      1. Preparation instructions and recommendations
      2. Storage and handling requirements and recommendations
      3. Installation methods
   3. Color Samples: [Submit manufacturer’s standard colors for selection.] [Submit sample of color specified.]
   4. Manufacturer’s Maintenance Instructions for cleaning and maintenance.
   5. Warranty Documentation: Submit sample of manufacturer’s warranty.
4. QUALITY ASSURANCE
   1. Manufacturer Qualifications: Minimum 5-year experience manufacturing similar products
   2. Installer Qualifications: Minimum 2-year experience installing similar products.
   3. Mockups: Verify selections made under sample submittals, demonstrate aesthetic effects, and set quality standards for materials and execution.
      1. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.
   4. Source Limitations: Single source detectable warning plates and integrated anchoring materials.
5. DELIVERY, STORAGE, AND HANDLING
   1. Deliver and store products in manufacturer’s unopened packaging bearing the brand name and manufacturer’s identification until ready for installation.
   2. Handle materials to avoid damage.
6. SEQUENCING
   1. Ensure that products of this section are supplied to affected trades in time to prevent interruption of construction progress.
7. WARRANTY
   1. Manufacturer’s Warranty: Five-year warranty from date of Substantial Completion.

PRODUCTS

1. MANUFACTURERS
   1. Manufacturer: Reliance Foundry Co. Ltd.
      1. Phone: 604-547-0460 or 1-877-789-3245
      2. Fax: 604-590-8875
      3. Website: https://www.reliance-foundry.com/
      4. Email: [email protected]
   2. Substitutions: [Comply with provisions of [Section 01 25 00 "Substitution Procedures"] [_________] for substitution procedures.] [Not allowed.]
   3. Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 – Product Requirements.
2. DETECTABLE WARNING PLATES
   1. Material:
      1. Cast iron conforming to ASTM A48, Class 30B, minimum.
   2. Country of Origin: USA
   3. Installation: Direct Embed.
   4. Quick Connect Plates [Designer’s Designation]
      1. Model: Reliance Foundry
   5. Finish: Manufactured true to pattern; component parts fit together in satisfactory manner. Uniform quality free of blowholes, porosity, hard spots, shrinkage distortion or other defects. Cleaned by blasting.
      1. Visual warning surface to remain unpainted.
      2. Paint Color: Federal yellow.
   6. Detectable Warning Plate [Designer’s Designation]:
      1. Model: Reliance Foundry; r-4984-24q.
      2. Length: 24 in (60.7 cm)
      3. Width: 24 in (60.7 cm)
      4. Weight: 52 lbs (23.6 kg)
3. STANDARDS COMPLIANCE
   1. U.S. Architectural & Transportation Barriers Compliance Board’s ADA-ABA Accessibility Guidelines for Buildings and Facilities.
   2. ICC A117.1 - Accessible and Usable Buildings and Facilities.
4. VISUAL CONTRAST
   1. Standards Compliance: ADAAG 2.29.2 and ADA 705.1.3.
   2. Visual surfaces to contrast visually with adjacent walking surfaces; either light-on-dark or dark-on-light.
5. COEFFICIENT OF FRICTION
   1. Comply with all ADA and ABA guidelines. The measured coefficient of friction is 0.9.
6. DOME SIZE
   1. Standards Compliance: ADAAG 2.29.2 and ADA 705.1.1.
   2. Base diameter: From 0.9 to 1.4 inch (2.3 to 3.6 cm).
   3. Top Diameter: From 0.45 to 0.91 inch (1.1 to 2.3 cm).
   4. Height: 0.2 inch (0.5 cm).
7. DOME SPACING
   1. Standards Compliance: ADAAG 2.29.2 and ADA 705.1.2.
   2. Center-to-center spacing: From 1.6 to 2.4 inches (4.1 to 6.1 cm).
   3. Base-to-base spacing: 0.65 in (1.7cm) minimum. Measured between the most adjacent domes on a square grid.
8. VENT HOLES
   1. Release gasses and air for maximum concrete contact.
9. PLATFORM EDGES
   1. Standards Compliance: ADAAG 2.29.2 and ADA 705.2.
   2. Detectable warning surfaces at platform boarding edges to have a depth of 24 in (60.7 cm) and extend full length of the public use areas of the platform.
   3. Lifting Brackets: Included for simplifying installation.

EXECUTION

1. EXAMINATION
   1. Examine paving or other substrates for compliance with manufacturer’s requirements for placement and location of embedded items, condition of substrate, and other conditions affecting installation of detectable warning plates.
   2. Proceed with installation only after unsatisfactory conditions have been corrected.
2. INSTALLATION
   1. General: Comply with manufacturer’s installation instructions and setting drawings.
   2. Do not install damaged, cracked, chipped, deformed, or marred detectable warning plates.
3. CLEANING & PROTECTION
   1. Protect installed products until completion of project.
   2. Touch-up, repair, or replace damaged products before Substantial Completion.
4. CLOSEOUT ACTIVITIES
   1. Provide executed warranty.

END OF SECTION