Red Seal Steamfitter/Pipefitter case studies
Red Seal Steamfitter/Pipefitter · Put your knowledge to work in context.
The Red Seal Steamfitter/Pipefitter certification is the interprovincial trade credential for the occupation that lays out, assembles, fabricates, maintains, repairs and services equipment and piping systems carrying water, steam, fluids, gases, chemicals and fuel - including heating, cooling, lubricating and process piping systems. The trade was designated in 1966, carries National Occupational Classification code 72301, and is designated Red Seal in AB, BC, MB, NB, NL, NS, NT, NU, ON, PE, QC, SK and YT. The Red Seal Steamfitter/Pipefitter case studies are 5 cases and about 2,575 words.
1Low-Pressure Steam Main Water Hammer Diagnosis
You are the lead steamfitter called to a 1960s low-pressure steam heating system serving a 6-story apartment building. Tenants on the top floors report loud banging at morning start-up, followed by uneven heat.
563 words, about 3 min2Hydronic System Imbalance and Waterlogged Expansion Tank
A new 5-story office building has a primary-secondary hydronic heating system. The primary pump is rated 400 GPM at 90 ft head; the secondary variable-speed pump serves three zones through a reverse-return header.
544 words, about 3 min3ASME B31.3 Butt-Weld Fit-Up Rejection
You are the fitter/welder on a 6-inch NPS Schedule 40 carbon steel process line, ASME B31.3 normal service, design 300 psig at 200°F. A butt weld is being fit up in the shop.
465 words, about 2 min4Natural Gas Piping Pressure Drop After Appliance Addition
A restaurant adds a 200,000 BTU/hr combi oven to an existing natural gas system. The service regulator delivers 2 psig to a 1-inch Schedule 40 steel header that runs 80 ft to a second-stage regulator at the kitchen, then 1/2-inch pipe 25 ft to the appliances.
498 words, about 2 min5Chilled-Water Thermal Expansion and Anchor Failure
A 300-ft run of 8-inch Schedule 40 chilled-water pipe is installed in a tunnel between a central plant and a terminal building. The pipe operates between 40°F and 95°F.
505 words, about 3 min