220529-RIB-Hangers and Supports for Plumbing Piping and Equipment-12-24-2025.pdf
PDF 58 KB Posted
- Attached to
- Grand Junction Maintenance Project 2026-239M25
- Solicitation number
- IFB1 REAA 2026000155 3
- Issued by
- Mesa County, Colorado
About this file
This is a specification section for hangers and supports for plumbing piping and equipment related to project 25-388 CBI HVAC and Lighting Upgrade, with a completion date of December 24, 2025. The specification outlines requirements for hardware to hang or support piping, equipment, and fixtures, including metal channel framing systems, nonpenetrating rooftop supports, post-installed concrete and masonry anchors, and thermal insulated pipe supports. All materials must comply with referenced standards including ASTM A123/A123M for zinc hot-dip galvanized coatings, ASTM A153/A153M for zinc coating on hardware, ASTM B633 for electrodeposited zinc coatings, and MSS SP-58 for pipe hangers and supports. Contractors must submit product data sheets, manufacturer catalog pages, and shop drawings detailing fabricated hangers and protective inserts specific to each insulation and hanger type.
Installation must follow manufacturer instructions with verification that mounting surfaces are prepared and field measurements match specifications prior to work commencement. All metal materials must be either electroplated zinc-coated steel or hot-dip galvanized steel with corrosion-resistant properties compatible with exposed piping materials and suitable for the installation environment. Quality control requirements include inspection of support and attachment components for damage and defects, repair of cuts and abrasions in galvanized finishes using zinc-rich paint, and replacement of any components exhibiting corrosion. All deficient, damaged, or defective components must be corrected or replaced in accordance with Section 014000 Quality Requirements.
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Text version
25-388 CBI HVAC and Lighting Upgrade 220529 - 1 Hangers and Supports for
Plumbing Piping and Equipment
SECTION 220529
HANGERS AND SUPPORTS FOR PLUMBING PIPING AND EQUIPMENT
PART 1 GENERAL
1.01 SECTION INCLUDES
1.02 RELATED REQUIREMENTS
A. Section 055000 - Metal Fabrications.
1.03 REFERENCE STANDARDS
A. ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products; 2024.
B. ASTM A153/A153M - Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware; 2023.
C. ASTM B633 - Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel;
2023.
D. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials;
2024.
E. ASTM E96/E96M - Standard Test Methods for Gravimetric Determination of Water Vapor Transmission Rate of Materials; 2024a.
F. MSS SP-58 - Pipe Hangers and Supports - Materials, Design, Manufacture, Selection, Application, and Installation; 2025.
G. UL 723 - Standard for Test for Surface Burning Characteristics of Building Materials; Current Edition, Including All Revisions.
1.04 SUBMITTALS
A. See Section 013000 - Administrative Requirements for submittal procedures.
B. Product Data: Provide manufacturer's standard catalog pages and data sheets for metal channel (strut) framing systems, nonpenetrating rooftop supports, post-installed concrete and masonry anchors, and thermal insulated pipe supports.
C. Shop Drawings: Include details for fabricated hangers and supports where materials or methods other than those indicated are proposed for substitution.
1. Application of protective inserts, saddles, and shields at pipe hangers for each type of insulation and hanger.
1.05 DELIVERY, STORAGE, AND HANDLING
A. Receive, inspect, handle, and store products in accordance with manufacturer's instructions.
PART 2 PRODUCTS
2.01 GENERAL REQUIREMENTS
A. Provide required hardware to hang or support piping, equipment, or fixtures with related accessories as necessary to complete installation of plumbing work.
B. Provide hardware products listed, classified, and labeled as suitable for intended purpose.
C. Materials for Metal Fabricated Supports: Comply with Section 055000.
1. Zinc-Plated Steel: Electroplated in accordance with ASTM B633 unless stated otherwise.
2. Galvanized Steel: Hot-dip galvanized in accordance with ASTM A123/A123M or ASTM
A153/A153M unless stated otherwise.
D. Corrosion Resistance: Use corrosion-resistant metal-based materials fully compatible with exposed piping materials and suitable for the environment where installed.
PART 3 EXECUTION
3.01 EXAMINATION
25-388 CBI HVAC and Lighting Upgrade 220529 - 2 Hangers and Supports for
Plumbing Piping and Equipment
A. Verify that field measurements are as indicated.
B. Verify that mounting surfaces are ready to receive support and attachment components.
C. Verify that conditions are satisfactory for installation prior to starting work.
3.02 INSTALLATION
A. Install products in accordance with manufacturer's instructions.
3.03 FIELD QUALITY CONTROL
A. See Section 014000 - Quality Requirements for additional requirements.
B. Inspect support and attachment components for damage and defects.
C. Repair cuts and abrasions in galvanized finishes using zinc-rich paint recommended by manufacturer. Replace components that exhibit signs of corrosion.
D. Correct deficiencies and replace damaged or defective support and attachment components.
END OF SECTION
220529 - Hangers and Supports for Plumbing Piping and Equipment
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