Filter by type

Search

Polythene Waterproofing

Wiki Page

Polythene Sheeting Sheet materials (DPC/DPM's etc) fixed to prepared concrete surfaces. Horizontal Surfaces = 20.0 m2/hr

Feb 7, 2009

Bentonite Waterproofing

Wiki Page

Sheeting to be installed and covered over immediately in order to prevent drying out, carried out with a gang of at least 3 people. Horizontal Surfaces = 25.0 m2/hr Vertical surfaces = 15.0 m3/hr

Feb 7, 2009

Epoxy Waterproofing

Wiki Page

Epoxy based material (eliminator etc), a 2 part mix. It is sprayed on and large areas can be completed in a short time. Usually carried out in two coats, good ventilation is required. A one coat application = 75 m2/hr A two coat application = 38 m2/h...

Feb 7, 2009

Concrete Pumping

Wiki Page

Large Concrete Pours, lorry pump. Simple Rule Of Thumb, concretors 0.5 - 1.0 hrs/m3 of concrete, depending on access, pour size and concrete availability. Base Slabs etc, 1,200m3 equalling 25 - 35m3/hr per pump, with 3 No pumps and 12 men for 2 shift...

Feb 7, 2009

Concrete Cycle Times

Wiki Page

Blinding Concrete Placing blinding direct from ready mix truck, rate of 4-5 m2/hr or 0.2-0.3 m3/hr. Base / Floor Slabs Concourse slab concrete pour, 36 m x 18 m, concrete volume of 1,500 m3 and 290 tonnes of reinforcement. Blind 1 day, formwork 2 day...

Feb 7, 2009

Reinforcement

Wiki Page

Mesh reinforcement - to slabs = 10.5 m2/hrMesh reinformcement - to beams/columns = 2.5 m2/hrReinforcementTask / DescriptionSlow  Ave  Fast   Units Slabs/Foundations, steelfixing, 6mm40.3 38.4 36.5  hrs/tonne Slabs/Foundations, steelfixing, 8mm28.2 26...

Feb 7, 2009

Vertical Shafts

Wiki Page

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

Feb 7, 2009

Driven Piles

Wiki Page

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

Feb 7, 2009

Formwork Re-Use

Wiki Page

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

Feb 7, 2009

Waffle Flooring

Wiki Page

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 ...

Feb 7, 2009

Slip Forming

Wiki Page

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.

Feb 7, 2009

Table Forms

Wiki Page

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

Feb 7, 2009

Tunnel Forms

Wiki Page

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...

Feb 7, 2009

Post Tensioning

Wiki Page

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

Wiki Page

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

Wiki Page

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

Wiki Page

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

Wiki Page

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

Wiki Page

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

Feb 7, 2009