The importance of the audit of shop drawing under the bill of quantities valuation model is presented, main point of the shop drawing audit is generalized, the suggestion is put forward aiming at the audit work.

Some problems need attention in examination of working drawing for professional construction unit;

Based on the the problems found in engineering supervision work of the past hidden works,this paper discusses the issues in electrical hidden works construction and makes suggestions from following aspects: examination of working drawing,electric hudden piping, electrical wiring, lighting and power distribution boxes(disk)installation.

Quality control of construction drawings reviewing

This paper analyzes the easily-omitting contents in the construction drawing review,and advances some methods for avoiding the omitting of the contents of the review.