General requirements

05192 Application

Application of water proofing and damp proofing shall be executed in strict conformity with the selected manufacturer’s instruction or as detailed in schedules annexed to this specification.

All coating shall be in strict conformity with the requirement, as with particular care being taken to note the following: -

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  Sequence of laying,
  
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  Volume or weight of material required for unit area
  
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  Number of layers of each material
  
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  Laps Returns, Angles, Intersections & Directions
  
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  Patching & sealing requirements
  
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  Interval between requirements
  
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  Tools for cleaning and laying
  
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  Movement of workmen
  
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  Aggregate and bitumen proportion for damp proofing.
  

05120 METHODS OF MEASUREMENT

The following are understood as included in the measurement.

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  Perforating and sealing around pipes, stands and the like.
  
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  Nailing, bolting, screwing
  
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  Cutting, waste, trimming, jointing and the like.
  
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  Overlaps & returns.
  

Roofing & water proofing shall measured by area, without addition for laps and seams.

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  Decorative (reflective) coat to roofing shall be measured separate.