ABSTRACT
Turning into groove 20mm deep – – – – m 0.70 m
Total £ hours £ £ rate £
J21 MASTIC ASPHALT ROOFING/INSULATION/ FINISHES
Mastic asphalt to BS 6925 Type R 988 20mm thick two coat coverings; felt isolating membrane; to concrete (or timber) base; flat or to falls or slopes not exceeding 10° from horizontal
over 300mm wide – – – – m2 17.60 225mm-300mm wide – – – – m2 27.19 150mm-225mm wide – – – – m2 31.76 not exceeding 150mm wide – – – – m2 40.88
Add to the above for covering with: 10mm thick limestone chippings in hot bitumen – – – – m2 2.87 coverings with solar reflective paint – – – – m2 3.23 300mm×300mm×8mm g.r.p. tiles in hot bitumen – – – – m2 48.69
Cutting to line; jointing to old asphalt – – – – m 5.58 13mm thick two coat skirtings to brickwork base
not exceeding 150mm girth – – – – m 12.00 150mm-225mm girth – – – – m 13.77 225mm-300mm girth – – – – m 16.86
13mm thick three coat skirtings; expanded metal lathing reinforcement nailed to timber base
not exceeding 150mm girth – – – – m 20.17 150mm-225mm girth – – – – m 24.03 225mm-300mm girth – – – – m 28.12
13mm thick two coat fascias to concrete base not exceeding 150mm girth – – – – m 12.00 150mm-225mm girth – – – – m 13.77
20mm thick two coat linings to channels to concrete base
not exceeding 150mm girth – – – – m 26.38 150mm-225mm girth – – – – m 30.00 225mm-300mm girth – – – – m 30.87
20mm thick two coat lining to cesspools 250mm×150mm×150mm deep – – – – nr 25.86
Collars around pipes, standards and like members – – – – nr 18.50
Accessories Eaves trim; extruded aluminium alloy; working asphalt into trim
Alutrim; type A roof edging or other equal and approved – – – – m 11.03
extra; angle – – – – nr 6.17 Roof screed ventilator – aluminium alloy
Extr-aqua-vent or other equal and approved; set on screed over and including dished sinking; working collar around ventilator – – – – nr 21.37
Total £ hours £ £ rate £
J30 LIQUID APPLIED TANKING/DAMP-PROOF MEMBRANES
Tanking and damp-proofing Synthaprufe or other equal and approved; blinding with sand; horizontal on slabs
two coats – 0.19 2.53 2.85 m2 5.38 three coats – 0.26 3.47 4.21 m2 7.68
One coat Vandex Super 0.75 kg/m2 slurry or other equal and approved; one consolidating coat of Vandex BB75 1 kg/m2 slurry or other equal and approved; horizontal on beds
over 225mm wide – 0.32 4.27 7.48 m2 11.75 Intergritank; Methacrylate resin based structural waterprooffing membrane; in two separate colour coded coats; minimumm 2mm overalll dry film finish; on a primed substrate over 250mm wide
100m2 – 499m2 – – – – m2 47.25 500m2 – 1999m2 – – – – m2 39.00 over 2000m2 – – – – m2 31.50
J40 FLEXIBLE SHEET TANKING/DAMP-PROOF MEMBRANES
Tanking and damp-proofing Preprufe pre-applied self adhesive waterproofing membranes for use below concrete slabs or behind concrete walls. HPE film with a pressure sensitive adhesive and weather resistant protective coating Preprufe 300R heavy duty grade for use below slabs and on rafts
over 300mm wide; horizontal – 0.10 1.33 16.06 m2 17.39 not exceeding 300mm wide; horizontal – 0.11 1.47 6.72 m 8.19
Preprufe 160R thinner grade for use blindside, zero property line applications against soil retention
over 300mm wide; horizontal – 0.10 1.33 14.12 m2 15.45 not exceeding 300mm wide; horizontal – 0.11 1.47 5.91 m 7.38
Preprufe 800PA reinforced cross laminated HDPE film for use below grounf car parks, basements, underground reservoirs and tanks
over 300mm wide; horizontal – 0.15 2.00 16.06 m2 18.06 not exceeding 300mm wide; horizontal – 0.17 2.20 6.72 m 8.92
Visqueen self-adhesive damp-proof membrane over 300mm wide; horizontal – – – – m2 5.69 not exceeding 300mm wide; horizontal – – – – m 2.19
Tanking primer for self-adhesive dpm over 300mm wide; horizontal – – – – m2 3.93 not exceeding 300mm wide; horizontal – – – – m 1.80
Total £ hours £ £ rate £
J40 FLEXIBLE SHEET TANKING/DAMP-PROOF MEMBRANES – cont
Tanking and damp-proofing – cont Bituthene sheeting or other equal and approved; lapped joints; horizontal on slabs
8000 grade – 0.10 1.33 6.11 m2 7.44 5000HD heavy duty grade – 0.12 1.60 5.58 m2 7.18
Bituthene sheeting or other equal and approved; lapped joints; dressed up vertical face of concrete
8000grade – 0.17 2.27 6.11 m2 8.38 RIW Structureseal tanking and damp-proof membrane; or other equal and approved
over 300mm wide; horizontal – – – – m2 6.48 Structureseal Fillet
40mm×40mm – – – – m 4.75 Ruberoid Plasfrufe 2000SA self-adhesive dampproof membrane
over 300mm wide; horizontal – – – – m2 10.83 not exceeding 300mm wide; horizontal – – – – m 4.15
Extra for 50mm thick sand blinding – – – – m2 1.90 Servi-pak protection board or other equal and approved; butt jointed; taped joints; to horizontal surfaces;
3mm thick – 0.14 1.87 7.64 m2 9.51 6mm thick – 0.14 1.87 8.77 m2 10.64 12mm thick – 0.19 2.53 15.25 m2 17.78
Servi-pak protection board or other equal and approved; butt jointed; taped joints; to vertical surfaces
3mm thick – 0.19 2.53 7.64 m2 10.17 6mm thick – 0.19 2.53 8.77 m2 11.30 12mm thick – 0.23 3.08 15.25 m2 18.33
Bituthene reinforcing strip or other equal and approved; 70mm wide
Bitutape 4000 – 0.09 1.20 0.48 m 1.68 Expandite Famflex hot bitumen bonded waterproof tanking or other equal and approved; 150mm laps
horizontal; over 300mm wide – 0.37 4.94 12.98 m2 17.92 vertical; over 300mm wide – 0.60 8.01 12.98 m2 20.99
Total £ hours £ £ rate £
J41 BUILT UP FELT ROOF COVERINGS
NOTE: The following items of felt roofing, unless otherwise described, include for conventional lapping, laying and bonding between layers and to base; and laying flat or to falls, crossfalls or to slopes not exceeding 10° – but exclude any insulation etc.
