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Vertical Shafts

Vertical Shafts Vent shaft 10 m dia, build 1 m/day, excavate at 80 m3/day Vent shaft connecting tunnels 6m dia, build 0.75 m/day, excavate at 21 m3/day

Driven Piles

West Piling (P.C. Shells), Rate of 100 m/day Balken Piling (Solid P.C. Pile), Rate of 120 - 135 m/day H-Piling, Rate of 200 - 500 m/day

Formwork Re-Use

Typical rate for number of formwork uses before shutter remake. NOTE: This varies significantly depending on care taken with shutters and programme time available etc. Walls = 20 uses Slab Soffits = 10 - 15 uses Beam & Column Boxes = 30 uses

Waffle Flooring

Rate includes for erection of decking and infill beams, cut position & nail plywood ribs, transport position and fix 800 mm x 800 mm waffle forms, clean and oil plywood and adjust to levels (m2/hr). Conservative Erection Rate... 2.4 m grid, ne 3.5 m ...

Slip Forming

Concrete - Slip Forming A typical period of 10 - 14 days is required to setup the shutter on the ground and cast the platform. Rate of climb of formwork = 200 - 300 mm/hr.

Table Forms

Concrete - Table Forms Fast method of forming walls/slabs with movable shutter. This rate is inclusive of walls and columns etc. Rate of 100 - 150 m2/day

Tunnel Forms

Concrete - Tunnel Forms A system of forms which enables walls and slabs to be cast in the same pour. suited to buildings with large number of identically sized rooms, such as hotels or flats. Used in conjunction with high speed concrete pumps, pre-fo...

Post Tensioning

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...

Hollorib Decking

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

Stone Cladding

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 =...

Doors & Window Installation

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-  ...

Glazing

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

Curtain Walling

Typical Curtain Walling = 25.0 m2/day

Facade Cleaning

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

Cladding Restoration

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

The ‘notices’ provision in the Contract

  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...

Steel

Internally

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

Externally

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

Excavate & Reduce Levels

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...