Structural Steelwork

Common labour factors for Structural Steelwork.

For a feasibility study, your Structural Steel breakdown on site is 10% labour, 90% materials and 0% fixed costs.

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Structural Steelwork
Description
Man Hours
Unit

Framing and Bracing




These labour constants refer to traditional estimating methods.




Heavy sections, including connections—UB, UC, RSJ and RSC




  • Fabrication

  • 23.00
    tonne
  • Erection

  • 7.00
    tonne

    Light sections—angles etc.




  • Fabrication

  • 40.00
    tonne
  • Erection

  • 20.00
    tonne

    Hollow sections, including connections




  • Large sections, fabrication

  • 30.00
    tonne
  • Large sections, erection

  • 10.00
    tonne
  • Small sections, fabrication

  • 35.00
    tonne

    Small sections, erection


    15.00
    tonne

    Trusses, including connections




  • Up to 10m span, fabrication

  • 50.00
    tonne
  • Up to 10m span, erection

  • 10.00
    tonne
  • Over 10m span, fabrication

  • 35.00
    tonne
  • Over 10m span, erection

  • 6.00
    tonne

    Proprietary purlins and girts




  • Up to 150mm high

  • 0.09
    hrs/m
  • Over 150mm high

  • 0.12
    hrs/m

    Surface Treatment




    Sand blast and paint




  • Light sections

  • 8.00
    tonne
  • Heavy sections

  • 5.00
    tonne

    Welding - 80% downhand, 20% vertical




  • 5 and 6mm fillet weld

  • 18
    mins/m
  • 8mm fillet weld—2 runs

  • 32
    mins/m
  • 10mm fillet weld—3 runs

  • 46
    mins/m
  • 12mm fillet weld—4–5 runs

  • 72
    mins/m
  • Vee prepare end of UB, UC, PFC, HS for butt weld, max 300mm depth

  • 8
    mins/end
  • Vee prepare end of UB, UC, PFC, HS for butt weld, over 300mm depth

  • 12
    mins/end
  • Vee butt weld up to 12mm

  • 90
    mins/m
  • Vee butt weld over 12mm, up to 16mm

  • 150
    mins/m
  • Extra Value for backing strip to joins in SHS

  • 7.5
    mins/join
  • Extra Value for backing strip to joins in CHS

  • 30
    mins/join
  • Hit and miss stitch 6mm fillet weld

  • 10
    mins/m



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