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  • BSI
    BS 4485-4:1996 Water cooling towers - Code of practice for structural design and construction
    Edition: 1996
    $418.55
    / user per year

Description of BS 4485-4:1996 1996

This Part of BS 4485 gives recommendations for the structural design and construction of water cooling towers of the following types:

  1. type 1. Natural draught or assisted draught towers, in which the total air flow is wholly or partly induced by a reinforced concrete shell of hyperboloidal form;

  2. type 2. Mechanical draught towers, in which the total air flow is induced wholly by mechanical means within an enclosed structure.

It applies only to those cooling towers constructed or erected on site and excludes factory assembled towers. In addition, matters relating to construction and workmanship in concrete and other materials are dealt with only in so far as they are specific to cooling tower construction. Other items of construction are referred to in appropriate specifications.

This code of practice covers the design of towers up to 170 m in height. However certain restrictions apply to formulae used for towers greater than 120 m in height.

NOTE For cooling towers of type 1, shells similar in shape to the true hyperboloidal form may be considered. Where these other shapes are adopted then certain sections of this standard may not be strictly applicable.



Applicable to structural design and construction on site of hyperboloidal shell natural draught towers, and to mechanical draught towers.

Standard NumberBS 4485-4:1996
TitleWater cooling towers - Code of practice for structural design and construction
StatusConfirmed
Publication Date1996-08-15
ReplacesBS 4485-4:1975
DescriptorsDesign calculations, Hyperboloidal shape, Buckling, Steels, Design, Cooling equipment, Wood preservation, Structural timber, Wood defects, Prestressed concrete, Vibration, Structural design, Cooling towers, Concretes, Water coolers, Industrial pipework systems, Wood, Wind loading, Dimensional tolerances, Redwood, Shell structures, Battens, Protective coatings, Maintenance, Coatings, Foundations, Coolers, Loading, Height, Reinforcement, Water retention and flow works, Plastics, Reinforced concrete, Quality control
ICS27.100 Power stations in general, 91.080.99 Other structures
CommitteeB/525
ISBN0 580 25544 1
PublisherBSI
Pages34

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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