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Chemical Excavation Methods

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Rock TunnelsTask / DescriptionSlow  Ave  Fast   Units Excavation, non explosive chemical method, cycle time8.0 6.0 5.5  mins Excavation, non explosive chemical method, Class I Granite0.3 0.9 1.2  m3/cycle Excavation, non explosive chemical method, Cl...

Mar 1, 2009

Data Date

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The time at which all progress information entered for a project should be correct as of this date. The time at which all remaining work starts. This is the date when Progress is measured up to and generally coincides with the production of the Progr...

Mar 5, 2009

Cone Fracture Rock Breakage

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Penetrating Cone Fracture Rock Breakage. Tradename of "SunBurst" from Australia.  State of the art, non-explosive chemical rock breakage technology for close proximity excavation applications in mining and civil engineering. Explosive system, cycle t...

Mar 7, 2009

Roof Structure

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Usually carried out with a minimum of a 2 man gang, sometimes with an additional labourer. For a typical semi-detached house structure or similar...    Roof Trusses 1.28 no/hr Wall Plates 2.76 m/hr Rafters 1.17 m/hr Ceiling Joists 32.10 m/hr    

Mar 7, 2009

Roof Structure

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Structural Steel Structures   For medium sized applications with a single crane and fixing gang.   A typical rate                  3.4 - 4.6 tonnes/day.   Structural steel for glazed wall, made of 18 no "bow string" strusses 25 m tall, cross braced a...

Mar 7, 2009

Slate Roofs

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Slate Roofs Usually carried out with a 2 man gang, sometimes with an additional labourer.             Natural Welsh Slate 3.5-5 mm thick 18.0 m2/day Natural Cumbrian 8-11 mm thick 8.5 m2/day Asbestos Slates   36.0 m2/day  

Mar 7, 2009

Tiled Roofs

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Usually carried out with a 2 man gang with 1 labourer.  The rates include for felting, battening and fixing of tiles etc.  Concrete Interlocking Tiles  52 m2/day Clay Pan Tiles 26 m2/day  

Mar 7, 2009

Asbestos Roofs

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Asbestos Type Roofs A typical rate of 39 m2/day

Mar 7, 2009

Asphalt Roofs

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Asphalt Roofs Usually carried out with a 2 man gang with an additional 1 or 2 labourers.   A typical composite rate of 45 m2/day

Mar 7, 2009

Felt Roofs

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Built-Up Felt Roofs Usually carried out with a minimum of a 1 man gang with a labourer. Large Roof Areas = 52 m2/day Smaller or Complicated Areas = 35 m2/day

Mar 7, 2009