57-Sec 03 20 00 - CONCRETE REINFORCEMENT.pdf
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- Bucks County, Pennsylvania
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This is a specifications document for concrete reinforcement work prepared for Bristol Township's 2026 Road Paving, Inlet Replacement, and Curb Ramp Program in Pennsylvania. The specification covers reinforcing steel bars, wire fabric, and associated accessories for cast-in-place concrete work. Materials include ASTM A615 deformed billet steel bars with 60 ksi yield grade and ASTM A185 welded steel wire fabric in flat sheets, both unfinished. Accessories consist of 16-gauge annealed epoxy-coated tie wire and various chairs, bolsters, bar supports, and spacers, with plastic-coated steel versions required for weather-exposed concrete surfaces. The work must comply with CRSI standards (Manuals 63 and 65), ACI 301 and ACI 318 building codes, and PennDOT Publication 408. All fabrication shall follow CRSI Manual of Practice standards with reinforcing splices located at points of minimum stress. Reinforcement placement must maintain required concrete cover per ACI 318 code and include proper positioning and support to prevent displacement during concrete placement.
The specification requires submission of current AWS welder certifications and mandates that a Professional Structural Engineer licensed in Pennsylvania provide direct supervision of reinforcement design. The contractor must provide the Engineer with access to the fabrication plant for inspection of reinforcement with advance notification of shop fabrication schedules. All work shall be performed in accordance with referenced standards and codes without deviation from required positioning. One copy of all referenced documents must be maintained on site throughout execution of the work.
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Text version
CONCRETE REINFORCEMENT
03 20 00-1
SECTION 03 20 00
PART 1 GENERAL
1.01 SECTION INCLUDES
A. Reinforcing steel bars, wire fabric and accessories for cast-in-place concrete.
1.02 RELATED SECTIONS
A. Related Work Specified Elsewhere.
1. This section not used.
1.03 REFERENCES
A. ACI 301 - Structural Concrete for Buildings.
B. ACI 318 - Building Code Requirements for Reinforced Concrete.
C. ASTM A185 - Welded Steel Wire Fabric for Concrete Reinforcement.
D. ASTM A615 - Deformed and Plain Billet Steel Bars for Concrete Reinforcement.
E. ASTM A775 - Epoxy-Coated Reinforcing Steel Bars.
F. ASTM D3963 - Epoxy-Coated Reinforcing Steel.
G. CRSI - Concrete Reinforcing Steel Institute - Manual of Practice.
H. CRSI 63 - Recommended Practice for Placing Reinforcing Bars.
I. CRSI 65 - Recommended Practice for Placing Bar Supports, Specifications and Nomenclature.
1.04 SUBMITTALS FOR REVIEW
A. Section 01 33 00 - Submittals: Procedures for submittals.
1.05 QUALITY ASSURANCE
A. Perform Work in accordance with CRSI 63, 65 and Manual of Practice, ACI 301, and ACI 318.
Maintain one copy of each document on site.
B. Provide Engineer with access to fabrication plant to facilitate inspection of reinforcement. Provide notification of commencement and duration of shop fabrication in sufficient time to allow inspection.
C. Design reinforcement under direct supervision of a Professional Structural Engineer experienced in design of this Work and licensed in the Commonwealth of Pennsylvania.
D. Welders: Certificates: Submit under provisions of Section 01 40 00 Manufacturer’s Certificates, certifying welders employed on the Work, verifying AWS qualification within the previous 12 months.
PART 2 PRODUCTS
2.01 REINFORCEMENT
A. Reinforcing Steel: ASTM A615, 60 ksi yield grade; deformed billet steel bars, unfinished.
B. Welded Steel Wire Fabric: ASTM A185 Plain Type in flat sheets, unfinished.
2.02 ACCESSORIES
A. Tie Wire: Minimum 16 gage annealed type, epoxy coated.
B. Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for strength and support of reinforcement during concrete placement conditions.
C. Special Chairs, Bolsters, Bar Supports, Spacers Adjacent to Weather Exposed Concrete Surfaces:
Plastic coated steel type; size and shape as required.
2.03 FABRICATION
03 20 00-2
A. Fabricate concrete reinforcing in accordance with CRSI Manual of Practice.
B. Locate reinforcing splices not indicated on drawings, at point of minimum stress.
PART 3 EXECUTION
3.01 PLACEMENT
A. Place, support and secure reinforcement against displacement. Do not deviate from required position.
B. Do not displace or damage vapor barrier.
C. Accommodate placement of formed openings.
D. Conform to Act 318 code for concrete cover over reinforcement.
END OF SECTION
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