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iRubric: Line Set / Water / Drain Line - Solder / Braze / Compression rubric

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Line Set / Water / Drain Line - Solder / Braze / Compression 
The student will create a tubing assembly. Described in the attached document. Student will adhere to industry standards for safe work practice throughout the project.

Powered by iRubric Joining copper.
  Poor

1 pts

Fair

2 pts

Good

3 pts

Excellent

4 pts

Totals

0 pts

Safety.

Poor

Student does not follow safe work standards.
Fair

Student follows minimal safe work standards.
Good

Student follows most safe work standards.
Excellent

Student follows all safe work standards.
Totals

Totals for safety.
Pipe cut.

Poor

Student did not cut pipe properly. Pipe was not cut with proper tools. Or did not meet print measurements.
Fair

Pipe was cut with proper tools. But ends were not deburred. Does not meet. print measurements.
Good

Pipe was cut properly with the proper tools and Deburred But does not meet print measurements exactly
Excellent

Pipe was cut properly with the proper tools and Deburred and meets print measurements exactly. With clean professional cuts.
Totals

Totals for pipe cut.
Pipe bends

Poor

bends were made haphazardly. Did not use tubing benders properly May have kinks. Or did not meet print measurements.
Fair

Bends were made by hand and not within print specifications.
Good

Pipe Bends were made with a proper pipe Bender With no kinks. But Does not meet print measurements exactly.
Excellent

Pipe Bends were made with a proper pipe Bender With no kinks and meets all print specifications.
Totals

totals for pipe bends.
Brazing

Poor

Brazing has cracks in it. That were not filled. most likely has leaks.
Fair

Pipe swage was excessive & or not at the proper depth. Brazing filled up between pipes. But braising alloy Has ran down pipe Used excessive brazing alloy..
Good

Pipe swage was not excessive and was at proper depth. Brazing was okay & sealed But may have used. an excess of brazing rod.
Excellent

Pipe swage was not excessive and was at proper depth. brazing looks professionally done. With all oxidation cleaned off.
Totals

Totals for brazing
Soft solder.

Poor

Did not clean or flux pipe. Solder joint most likely will not hold.
Fair

Pipe swage was excessive & or not at the proper depth. solder may have sealed But excess solder was used and has run all over pipe.
Good

Pipe swage was not excessive and was at proper depth. Soldering was okay & sealed But may have used an excess of Solder.
Excellent

Pipe swage was not excessive and was at proper depth. Soldering was good with any excess solder wiped away and cleaned.
Totals

Totals for soft solder.
compression fitting..

Poor

Compression fitting. not flared properly. Not torqued to Proper specs. Most likely will not hold pressure.
Fair

Compression fitting Was properly Flared. did not line up. or cross threaded.
Good

Compression fitting was properly flared. but was not torqued to specifications.
Excellent

Compression fitting was properly flared. Installed and torqued to specifications.
Totals

Totals for compression fitting.
Finished Product.

Poor

Product is not completed to industry standards. Has major flaws Length of pipe is incorrect. Pipe is unusable on a piping job..
Fair

Product is not completed to industry standards. Has major flaws Some joints are Sealed.. Length of pipe is incorrect. Pipe is unusable on a piping job..
Good

Project is completed to industry standards. Pipe has minor flaws in length and solder joints mostly look good. Pipe is usable on a piping job.
Excellent

Project is completed to industry standards. Everything is correct, including measurements. flares. Solder and braising.
Totals

Totals. on finished product.




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