Shop drawing

Figure 12-5. Example of pressure vessel shop drawing.

The actual surface area available for heat transfer is determined from the fabricator s shop drawings. From these details, the following are fixed ... 

Material and service schedules for important items of material or installed equipment indicating deadlines for such steps as preparation of shop drawings or samples, beginning of fabrication, date of shipment and date needed at the job site. 

Blast resistant doors arc not "off the shelf items, They are built to order and manufacturers generally require 6 to 8 weeks after notification of approval of the shop drawings and design data to schedule and fabricate low-range doors, 10-12 weeks for mid-range doors, and 12 weeks or more for high-range doors. 

Figure 2. Shop drawing and schematic diagram of laboratory compactor...

Vendor Calculations Mill lest Reports Shop Drawings Visual Inspection Reports... 

FIGURE 7-30 Parts drawing, also known as a shop drawing, for manufacturing. 

The number and severity of fabrication and installation deficiencies are also directly related to quality control efforts during construction phases of a project. For example, a review of contractor submittals, or shop drawings, usually helps assure comphance with contract documents before equipment is delivered to the job site. Site inspections during installation work may detect deficiencies in design or workmanship before they lead to operational problems and performance difficulties. In addition, specific operating and performance testing as a prerequisite to final accepfance is a key element in assuring that a system is installed properly. 

Failure to review manufacture s shop drawings, catalog cuts, and materials and construction data to asswe complimice witii contract (design) documents... 

Solicit bids on quality least cost Evaluate payment terms Consider perfomumce boning Construction responsibility Require shop drawing provals... 

The approved shop drawings should note that all HLMR bearings shall be marked prior to shipping. These marks shall be permanent and in a readily visible location on the bearing. They shall note the position of the bearing and the direction ahead on station. Numerous field problems have occurred when bearings were not so marked. This is particularly true for minimally beveled sole plates. It is not always apparent which orientation a bearing must take prior to imposition of the dead load rotation. 

Loulakis, M. G. and L. P. McLaughlin. 2005. The Law Court Requires CPM Analysis to Prove Shop Drawing Approval Delays. CivilEngineering-ASCE, June, p. 88. (The General Service Administration (GSA) Board of Contract Appeals held that a contractor would have to use CPM schedule analysis to establish merits of its delay claim concerning the GSA s alleged late return of contractor submittals. The contract between the contractor and the GSA required that the contractor maintain a CPM schedule. )... 

Examining contractor s shop drawings Negligence Failure to note an unsatisfactory change Use means and methods clauses stating that shop drawing review is for general conformance with the contract documents and that means and methods are the contractor s responsibility... 

If they are to be in steel, a common arrangement is for the EPCM contractor to carry out the basic design, and then engage a specialized construction contractor to do the detailed design, procure the material, produce the shop drawings, prefabricate and then to erect the structural steelwork on site. Secondary structures can include ... 

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