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SECTION B - Derry City Council

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Standard, EN shall be taken to mean European Standard, and the<br />

initials BS EN shall be taken to mean European Standard adopted<br />

as a British Standard.<br />

5 STEELWORK DESIGN, DRAWINGS & PROGRAMME<br />

The Structural Steelwork has been designed by the Engineer in<br />

accordance with BS 5950: Part 1, Specification for "The use of<br />

steelwork in building".<br />

The Engineer will supply to the Steelwork Sub-Contractor drawings<br />

giving sizes of the principal members and showing member forces<br />

and reactions in kilonewtons as well as any bending moments<br />

which have to be taken up in the "fixed joints" of the structure<br />

expressed in kilonewton metres. From this information the<br />

Steelwork Sub-Contractor will be required to prepare his own shop<br />

details in accordance with BS 5950: Part 2 and Appendix 2 of this<br />

Specification. These drawings are to be supplied in duplicate to the<br />

Engineer, Architect and Quantity Surveyor for comment before<br />

fabrication. Should these shop details in the opinion of the Engineer<br />

or Architect be insufficient, or unsatisfactory, the Engineer or<br />

Architect will require fresh details to be submitted as below.<br />

(The shop drawings shall indicate the location and type of<br />

temporary guys and bracings proposed for use during erection of<br />

the steelwork).<br />

On receiving Engineer or Architect comments in writing on such<br />

detail drawings, a further copy of the revised drawings are to be<br />

submitted to the Engineer and Architect. One further copy shall be<br />

sent to the Clerk of Works on the Site.<br />

On his appointment the Main Contractor and his Steelwork Sub-<br />

Contractor shall produce a programme for the production of<br />

workshop and erection drawings and drawings of temporary and<br />

other works. The Steelwork Sub-Contractor shall, after consultation<br />

with the Engineer and Architect, be required to agree a programme<br />

and a final date for the submission and checking of drawings. No<br />

work is to be put in hand until the Engineer or Architect’s comments<br />

have been obtained and the Main Contractor's and Steelwork Sub-<br />

Contractor’s programme shall make suitable allowance for checking<br />

procedures including the re-submission of amended drawings<br />

following comments by the Engineer.<br />

65

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