b. Substitutions: Substitutions of sections, or modifications of details, or both, shall be made only when approved. ec. Responsibility for Errors: The Contractor alone shall be responsible for all errors of fabrication and for the correct fitting of the structural members shown un the shop drawings. d. Templetes: Templates shall be furnished where called for on the drawings. The Engineer shall furnish instructions for the setting of anchors and bearing plates and shall ascertain that the ittems are properly set during the progress of the work. 6-05. MATERIALS: Structural steel shall conform to the requirements of A.S.T.M. Designation A 7-46. All other materiels shall conform to applicable specifications as set forth in Chapter 27 of the Uniform-.Building Code. 6-06. INSPECTION AND TESTS: The material to be furnish- ed under this specification shall be subject to inspectior and tests in the mill, shop and field by inspectors authorized by the Engineer. However, inspection in the mill or shop shall not relieve the Contractor of his responsibility to furnish satisfactory materials, and the Engineer reserves the right to reject any material at any time before final acceptance when, in the opinion of the Engineer, the materials and workmanship do not conform to the specification requirements. 6-07. DESIGN: The design of members and connections for any portions of the structure not indicated in the design drawings shall conform to the requirements of the current issue of the Specification for the Design, Fabrication, and Erection of Structural Steel for Buildings of the American Institute of Steel Construction Shop Drawings showing such designs shall be comparable in extent of information and detail to those issued by the Engineer. 6-08. WORKMANSHIP: @. Connections: All connections shall be as shown on the drawings. When details are not shown, the connections shall conform to the requirements for series B, A.I.S.C. standard connections. One-sided or other types of eccentric connections shall not be permitted except when shown in detail on the drawings. 6-2