iRubric: Back to Back Bend (Written ) rubric

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Back to Back Bend (Written )

Bend a 30" back to back bend with 24" stub lengths on both ends and box offsets at each end in the same direction.

Rubric Code: CB96C3

By rbusha

Ready to use

Public Rubric

Subject: Vocational

Type: Project

Grade Levels: 9-12

Back to Back Bend (Written)
	Poor 1 pts	Fair 2 pts	Average 3 pts	Good 4 pts	Excellent 5 pts
24" Stub	Poor One of five items as criteria for excellent.	Fair Two of five items as criteria for excellent.	Average Three of five items as criteria for excellent.	Good Four of five items as criteria for excellent.	Excellent Measure 24" from end, mark and gurdle, subtract takeup, mark and gurdle, set bender on conduit at arrow mark.
24" Stub	Poor One of five items as criteria for excellent.	Fair Two of five items as criteria for excellent.	Average Three of five items as criteria for excellent.	Good Four of five items as criteria for excellent.	Excellent Hook toward stub end of conduit, foot pressure, check & adjust stub height, Check & adjust 90 degree angle, place stub section of pipe against wall.
Back to Back Bend	Poor One of five items as criteria for excellent.	Fair Two of five items as criteria for excellent.	Average Three of five items as criteria for excellent.	Good Four of five items as criteria for excellent.	Excellent Measure from the wall and mark the required distance, gurdle mark, place bender on pipe at star mark with hook facing away from stub, apply foot preasure and bend 90 degree bend toward stub.
Back to Back Bend	Poor One of five items as criteria for excellent.	Fair Three of five items as criteria for excellent.	Average Three of five items as criteria for excellent.	Good Four of five items as criteria for excellent.	Excellent Check & adjust second 90 degree stub, check & adjust 30" back to back bend, measure second stub length (24"), mark and gurdle, cut at 24" mark, ream conduit.
Box Offsets	Poor One of five items as criteria for excellent.	Fair Three of five items as criteria for excellent.	Average Three of five items as criteria for excellent.	Good Four of five items as criteria for excellent.	Excellent Measure required offset depth, calculate distance between bends, mark and gurdle starting point on pipe, mark 3" from first mark away from end, place arrow on first mark with hook toward end.
Box Offsets	Poor One of five items as criteria for excellent.	Fair Three of five items as criteria for excellent.	Average Three of five items as criteria for excellent.	Good Four of five items as criteria for excellent.	Excellent Bend 10 degrees, move bender to second mark and rotate 180 degrees, bend 10 degrees,check & adjust offset depth, check & adjust parallel to work surface.