subject: How To Relate Shop Drawings With Contract And Construction Documents? [print this page] Shop Drawings are the drawings, diagrams, schedules and related information which are distinctively produced by the contractor and submitted to the engineer to understand specific portion of the work.
As per AIA definition, Shop drawings are the scaled representations of the construction work which the contractor requires to meet its desired assignments for the project, subject to the engineer or architects approval.
The major risk involved in generation of shop drawings is not how they are defined, but rather who produces them in practice, who is responsible for the details and what is the exact scope and importance of review comments. Though production of shop drawing is the sole responsibility of the contractor, designers often windup preparing some or most portion of the shop drawings.
A real-time and time-bound shop drawing management requires color coding. The contributions, modifications and comments are depicted in a unique pre-assigned color, which makes it easy to understand where and when shop drawing is modified. This helps the architect or engineer to precisely find out which team member has reviewed and contributed to the shop drawings.
General Contract documents should clearly define scope of the shop drawings review process. It goes without saying that although architect or engineer approves shop drawings, it does not make him or her accountable for their content. A reviewers approval implies that the contractor and other disciplines have produced what appear to be jointly coordinated and workable drawings. The scope, implications and limitations of the review must be clarified in the construction documents general conditions.
Success of shop drawing process often depends on proper communication. Pre-construction meetings exert significant impact on schedule and in defining responsibilities. These meetings are also useful in assigning the different colored markers as mentioned above. It also helps in establishing expectations and minimizes disagreements. It is also important that shop drawings always be reviewed in a timely manner in order to reduce or completely avoid delay claims.
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