03200-qrs.doc

SECTION 03200PRIVATE

CONCRETE REINFORCEMENT

PART 1 -

GENERAL

1.01

SECTION INCLUDES

A.

Reinforcing steel bars, wire fabric, and accessories for cast‑in‑place concrete.

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RELATED SECTIONS

Section 03100 ‑ Concrete Formwork.

B.

Section 03300 ‑ Cast‑in‑Place Concrete.

C.

Section 03350 – Concrete Finishing 1.03 seq level2 \h \r0

REFERENCES

ACI 301 ‑ Structural Concrete for Buildings.

ACI 318 ‑ Building Code Requirements For Reinforced Concrete.

C.

ACI SP‑66 ‑ American Concrete Institute ‑ Detailing Manual.

ANSI/ASTM A82 - Cold Drawn Steel Wire for Concrete Reinforcement.

E.

ANSI/ASTM A184 - Fabricated Deformed Steel Bar Mats for Concrete Reinforcement.

F.

ANSI/ASTM A185 ‑ Welded Steel Wire Fabric for Concrete Reinforcement.

G. ANSI/AWS D1.4 - Structural Welding Code for Reinforcing Steel.

H.

ASTM A615 ‑ Deformed and Plain Billet Steel Bars for Concrete Reinforcement.

I.

AWS D12.1 ‑ Welding Reinforcement Steel, Metal Inserts, and Connections in Reinforced Concrete Construction.

1.04

SUBMITTALS

Submit under provisions of Section 01300.

Shop Drawings: Indicate bar sizes, spacings, locations, and quantities of reinforcing steel and wire fabric, bending and cutting schedules, and supporting and spacing devices.

Manufacturer's Certificate: Certify that products meet or exceed specified requirements.

1.05

QUALITY ASSURANCE

Perform Work in accordance with ACI 301, ACI SP‑66 and ACI 318.

Submit certified copies of mill test report of reinforcement materials analysis.

Provide COR 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.

1.06

QUALIFICATIONS

Design reinforcement under direct supervision of a Professional Structural Engineer experienced in design of this work and licensed in the State of New Mexico.

Welders' Certificates: Submit under provisions of Section 01300 Manufacturer's Certificates, certifying welders employed on the Work, verifying AWS qualification within the previous twelve (12) months.

1.07

COORDINATION

Coordinate work under provisions of General Requirements.

Coordinate with placement of formwork, formed openings, and other Work.

Masonry Joint Reinforcement: ASTM A82, unfinished.

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PRODUCTS

2.01

REINFORCEMENT

Reinforcing Steel: ASTM A615, 40 or 60 ksi yield grade; deformed billet steel bars, unfinished.

B. Welded Steel Wire Fabric: ASTM A185 plain type; in flat sheets; unfinished.

2.02

ACCESSORY MATERIALS

Tie Wire: Minimum 16 gage annealed type.

Chairs, Bolsters, Bar Supports, Spacers: Sized and shaped for strength and support of reinforcement during concrete placement conditions including load bearing pad on bottom to prevent vapor barrier puncture.

Special Chairs, Bolsters, Bar Supports, Spacers Adjacent to Weather Exposed Concrete Surfaces: Plastic coated steel type; size and shape as required.

2.03

FABRICATION

Fabricate concrete reinforcing in accordance with ACI SP‑66 and ACI 318.

Weld reinforcement in accordance with ANSI/AWS D1.4 and ANSI/AWS D12.1.

Locate reinforcing splices not indicated on drawings, at point of minimum stress. Review location of splices with COR.

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EXECUTION

3.01

PLACEMENT

Place, support, and secure reinforcement against displacement. Do not deviate from required position.

Do not displace or damage vapor barrier.

Accommodate placement of formed openings.

D.

Conform to ACI 318 code for concrete cover over reinforcement.

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FIELD QUALITY CONTROL

A.

Field inspection will be performed under provisions of General Requirements.

PART 4 - MEASUREMENT AND PAYMENT

4.01

MEASUREMENT

The work specified herein will not be measured for payment.

4.02

PAYMENT

This work is incidental to other items in this contract and direct separate item payments will not be made.

END OF SECTION

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