iRubric: PVC Pipe Project rubric

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PVC Pipe Project PVC Pipe Project This rubric is to be used for gluing and leak checking PVC pipe projects. Rubric Code: Q24A69C By Stockton334 Ready to use Public Rubric Subject: Vocational Type: Project Grade Levels: 9-12

HVAC PVC Pipe
	Needs Improvement 1 pts	Basic 2 pts	Competent 3 pts	Proficient 4 pts
Assembly	Needs Improvement Not glued together well. Glue is chunky and voids are evident. excessive runs are evident. Glue is thin or clumped on.	Basic Glue has a couple of bumps, slight voids are visible. Glued joints are neat, however the glue is inconsistent and clumped with excessive runs.	Competent Glue is smooth and even. Glued joints are neat, however the glue is inconsistent and has excessive runs.	Proficient Glue is consistent around all joints, no drips or voids. PVC is not over . No or very little runs.
Primer	Needs Improvement Primer is all over the pipe, fittings and surrounding area.	Basic Primer is within 1/4" of fitting on 4 of 8 joints	Competent Primer is within 1/4" of fitting on 6 of 8 joints	Proficient Primer is within 1/4" of fitting on all joints.
Accuracy	Needs Improvement A weakness in the joint is visually apparent. Plan specifications not followed at all.	Basic The joint looks solid, however, breaks when tension is applied. Accurate to 70% of specified tolerance.	Competent The joint looks solid, however, breaks when tension is applied. Accurate to 85% of specified tolerance.	Proficient The joint looks solid, and holds under tension. 100% accurate.
Safety	Needs Improvement Student needs constant reminder to wear safety glasses. Student does not observe safety rules. Required monitoring during sessions	Basic Student needs constant reminder to wear safety glasses. Had to be reminded of safety points and procedures	Competent Student wears safety glasses at all times, but is not completely aware of their surroundings (saws, tubing and pipe cutters).Observes SOME safety rules.	Proficient Student wears safety glasses at all times, and is aware of their surroundings. Observes ALL safety rules and encouraged classmates to do same.