Specification for Structural Works This specification covers structural steelwork to be used in the Works, all in accordance with the Drawings and as directed by the Engineer. It is anticipated at this stage of the design this work is limited to entrance canopy, Atrium bridges, support work to skylights, lifts and escalators. All structural steel work shall be carried out in accordance with the requirements of BS 5950 Parts 1 and 2.

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Date: 24.September.2016

STRUCTURAL STEELWORK 

05.1 GENERAL 

Approved drawings take precedence over this Specification, where there is a discrepancy between the two documents. 

05.2 SCOPE 

This specification covers structural steelwork to be used in the Works, all in accordance with the Drawings and as directed by the Engineer. 
It is anticipated at this stage of the design this work is limited to entrance canopy, Atrium bridges, support work to skylights, lifts and escalators. 
All structural steel work shall be carried out in accordance with the requirements of BS 5950 Parts 1 and 2. 

05.3 STANDARDS AND CODES OF PRACTICE 

BS 4 Part 1 : Hot Rolled Sections 
BS 729 : Specifications for hot dip galvanized coatings on iron and steel 
BS 4190 : Specification for ISO metric black hexagon bolts, screws and nuts 
BS 4320 : Specification for metal washers for general Engineering purposes. Metric series. 
BS 4360 : Weldable Structural Steel 
BS 4848 Part 2 : Hollow Section 
BS 4848 Part 4 : Equal and Unequal Angles. 
BS 5135 : Specification for Arc Welding of Carbon and Carbon Manganese Steel 
BS 5950 Parts 1 & 2: Structural use of Steelwork in Building