624.01 Description
Weld in accordance with the current edition of the applicable American National Standard Welding Codes.
624.02 Materials
Use welding electrodes in accordance with AWS and AASHTO.
624.03 Construction Requirements
624.03.1 General
Contact the Project Manager 5 business days prior to anticipated work for scheduling of the Certified Welding Inspector (CWI).
1.Weld tubular members (including pipe piles and hand or pedestrian rails) to ANSI/AWS D1.1.
2.Weld existing structures for repair or strengthening to ANSI/AWS D1.1.
3.Weld reinforcing steel to ANSI/AASHTO/AWS D1.5.
4.Weld bridge structural steel to ANSI/AASHTO/AWS D1.5.
624.03.2 Welder Qualifications
1.Have all welders certified by a CWI for each process or procedure performed. Obtain certifications prior to beginning welding for the project.
2.If Department staff is available, certification testing of welders will be provided by the Department at a cost of $60.00 per hour. This certification will be provided in Helena at this cost only once per person per project.
3.An outside agency will be allowed to administer the testing if conducted by an AWS CWI, and the process is in accordance with Department procedure.
4.The welder’s qualification will remain in effect for an indefinite period unless the welder has not used the qualified welding process for a period exceeding 6 months or there is some specific reason to question the welder’s ability. For the welder to remain qualified, a verification record (continuity) should be kept on file and updated by the Contractor for that welder documenting the performance of the given process and procedure during the previous 6 months.
624.03.3 Submittals
For all employees who will be welding on Department projects and who may have obtained certifications, submit certification records and continuity information in accordance with the Table of Contractor Submittals. Include the following information: 624 – WELDING 2020 EDITION V5.1 624-2
1.Certifying agency, name, address, and phone number.
2.CWI’s stamp and number.
3.CWI’s signature.
4.Date tested.
5.Code under which the test was given, (e.g., AWS D1.1-96).
6.Positions qualified.
7.Base metal designation, (e.g., A-36, A252).
8.Backer use.
9.Process used.
10.Manipulation type.
11.Electrode type, (e.g., 7018).
12.Diameter of electrode.
13.Operator’s name.
14.Operator’s employer at the time of the test.
624.04 Method of Measurement
Welding is not measured separately but is incidental to the items being welded.
624.05 Basis of Payment
Welding is not paid for separately but is included in the cost of the item welded and includes all materials and resources necessary to complete the work.
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Source: Standard Specifications for Road and Bridge Construction, 2020 (v5.1) Edition. Pages 509–510 of 611. View official source ↗