General Welding Guidelines - MCAA
remove paint, varnish, rust, dirt or oxide using a wire brush or grinding wheel. Paint which is designed to be welded over, such as “Deoxaluminite” may be welded over without removal. Brushing with a power wire brush to remove excess build …
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ADDITIONAL NATIONAL AGREEMENTS ADMINISTERED BY …
www.mcaa.orgThe General Presidents’ Project Maintenance Agreement (GPPMA) was revised as of July 2005 and the Interpretations/Bulletins have been revised as of September 2010.
2017 Regional Training Course Catalog - MCAA | Support and ...
www.mcaa.orgThe OptiView Control Center plus preventive maintenance and system checkout procedures are also addressed along with a hands-on teardown and rebuild of a YK centrifugal compressor.
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www.mcaa.orgWELDERS? B31.9 permits "interchange" of welders among contractors after they have been properly qualified by one contractor provided the welder’s new employer accepts responsibility for qualification performed by the other contractor. By interchanging qualified welders, contractors do not have to repeat the time-consuming testing of workers.
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www.mcaa.orgRIGGING SAFETY GUIDE Forward Experienced mechanical construction and service workers are experts in pipefitting, plumbing, or mechanical service work, but not necessarily in rigging.
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www.mcaa.orgabove what was originally forecast for 2021. Steel prices at mills in the United States are up 60% to 100% in the last 6 months, affecting the cost of structural steel, steel joists, reinforcing steel, metal deck, stairs and rails, metal panels, metal ceilings, wall studs, door frames, canopies, steel duct, steel pipe and
General Brazing Guidelines - MCAA
www.mcaa.orgThese General Brazing Guidelines are intended to pro-vide background information and supplementary in-structions to contractors and their brazers who are us-ing National Certified Pipe Welding Bureau Welding (NCPWB) Brazing Procedure Specifications (BPSs). This document is divided into three parts: Mandatory
Understanding Bend Tests - MCAA
www.mcaa.orgQualification test plates can be prepared with the weld groove preparation parallel to the direction of rolling. The length of the bend specimens extracted from such a test plate will be perpendicular to the rolling direction (Figure 2). This means when the specimen is bent, straining is perpendicular
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