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Post Tensioning

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Concrete - Post Tensioning Sequence:Concrete poured 1st Bay.After 48 hrs concrete is stressed to initial strength (15 kN takes 1 day).5 days after initial stressing, concrete is stressed to final strength (30 kN takes 1 day).Formwork may now be struc...

Feb 7, 2009

Hollorib Decking

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Hollorib Decking Lay decking = 350 m2/day Shear Connecting Studs 235 m2 studded per day per gun (4,000 studs/week) Concrete topping = 4,000 m2/week or 2,000 m2/week incl power floating

Feb 7, 2009

Stone Cladding

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External Stone Walls Various stone finishes are available...Polished / Tooled = Highly reflective finish. The full colour and grain of the stone becomes visible. A poished fiish seals the pores and gives a good weather and chemical protection.Honed =...

Feb 7, 2009

Doors & Window Installation

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InstallationFor windows that are not 'built-in' as work proceeds...Install & Fix - By Area = 2.0 m2/hrInstall & Fix - By Girth = 4.0 m/hrMastic Pointing = 6.0 m/hrDoors and WindowsTask / DescriptionSlow  Ave  Fast   Units Mastic Pointing to Frames-  ...

Feb 7, 2009

Glazing

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Glazing to windows, a typical rate of 1.23 m2/hr Sealed Glazing Units Single glazed units = 80.0 m2/wk Double glazed units = 45.0 m2/wk

Feb 7, 2009

Facade Cleaning

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Water Jetting = 25.0 m2/day Acid Etching = 9.0 m2/day Grit Blasting = 12.0 m2/day

Feb 7, 2009

Cladding Restoration

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Brickwork Restoration = 6.5 m2/day Stonework Restoration = 20.0 m/day (single course)

Feb 7, 2009

The ‘notices’ provision in the Contract

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  The ‘notices’ provision    Many of you will deal with industry-standard form contracts, while others will deal with company Standard or even bespoke forms; whatever the form of contract, the notices provision contained in the conditions of contract...

Oct 14, 2010

Steel

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Jul 13, 2009

Internally

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One coat primer, 1 undercoat, 1 gloss 2.40 m2/hr As above to steel stanchions and beams 1.30 m2/hr As above to balustrades, railings etc 1.40 m2/hr

Jul 13, 2009

Externally

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One coat primer, 2 undercoats, 1 gloss 1.70 m2/hr As above to steel stanchions and beams 0.90 m2/hr As above to balustrades, railings etc 1.00 m2/hr As above to gutter and downpipes etc 2.50 m/hr

Jul 13, 2009

Excavate & Reduce Levels

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Excavate By Hand Trenches (m3/hr)      Depth in Metres->Ne 1.51.5-3.03.0-4.5    Sand/Soil lose0.660.450.33Sand/Soil firm0.570.380.28Gravel0.450.310.23Clay/Heavy Soil0.460.310.24Boulder Clay0.380.260.19Pits or Bases Ne 2 m2 (m3/hr)                   D...

Jul 14, 2009

Beam Falsework Formwork

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Rates include for making, fixing, cleaning and minor repair works etc, rates in m2/hr.Soffits - On runners and props, including erection of props etc. Hight of Beam Soffit--->      0 - 3.5 m3.5 - 5.0 mWidthFixStrikeFixStrike     100 - 200 mm0.701.230...

Jul 15, 2009

Mixing Concrete

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Mixing By HandA typical rate of 0.32 m3/hr of concrete. Compulsory Paddle Mixer Generally with one or two 3.5m3 drums, giving a cycle time of 60 to 80 seconds (m3/Hr).                          Mix Time -->60 secs80 secsSingle drum plant210158Double d...

Jul 15, 2009

Place Concrete

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Barrowing Concrete (m3/hr).Receive concrete from mixer/lorry direct to barrow, wheel to placing position, tip and return.Distance0 - 10 m2.32 10 - 20 m1.81 20 - 50 m1.08As above but including load concrete from deck/tray.                Distance0 - 1...

Jul 15, 2009

Granolithic Flooring

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Typically carried out with a gang of 2 layers and a single labourer.   Typical rate of 3.15 m2/hr  

Aug 10, 2009

Sand / Cement Floor Screeding

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 ·         Lay sand and cement floor screeds to accurate levels and finish with steel/wood float.  Rate apply to a gang or 2 labourers and 1 screeder with materials being delivered by hoist and barrow. Screeding Rates (m2/hr) Thickness  ->  15 to 20m...

Aug 10, 2009

Terrazzo Flooring

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·          Typically carried out with a gang of 2 layers, 2 labourers and 1 polisher. In situ flooring 3.60 m2/hr Precast flooring 4.65 m2/hr

Aug 10, 2009

Mosaic Tiles

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Standard tiles of 0.045 x 0.045 m. A typical rate of 1.55 m2/hr

Aug 10, 2009