ABSTRACT

Total Gang rate/Hour 1.00 48.90 – – - 48.90 Damp proofing gang

1 ganger/chargehand (skill rate 4) 2.00 17.72 – – - 17.72 1 skilled operative (skill rate 4) 1.00 16.70 – – - 16.70 1 unskilled operative (general) 1.00 15.59 – – - 15.59

Total Gang rate/Hour 1.00 50.01 – – - 50.01 Sprayed/brushed waterproofing gang

1 ganger/chargehand (skill rate 4) – 30% of time 0.60 5.32 – – - 5.32 1 skilled operative (skill rate 4) 1.00 16.70 – – - 16.70

Total Gang rate/Hour 1.00 22.02 – – - 22.02 Protective layers – screed gang

1 ganger/chargehand (skill rate 4) 2.00 17.72 – – - 17.72 1 skilled operative (skill rate 4) 1.00 16.70 – – - 16.70 1 unskilled operative (general) 1.00 15.59 – – - 15.59

Total Gang rate/Hour 1.00 50.01 – – - 50.01

RESOURCES – PLANT Asphalting

45 litre portable tar boiler including sprayer (50 % of time) – – 0.53 – - 0.53 2 t dumper (50% of time) – – 2.36 – - 2.36 gas oil for ditto – – 1.64 – - 1.64

Total Rate/Hour – – 4.52 – - 4.52 Damp proofing

2 t dumper (50% of time) – – 2.36 – - 2.36 gas oil for ditto – – 1.64 – - 1.64

Total Rate/Hour – – 4.00 – - 4.00

WATERPROOFING Mastic asphalt; BS 6925 Type T 1097; 20mm thick; two coats

over 300mm wide; ne 30° to horizontal 0.33 16.14 12.77 16.33 m2 45.24 over 300mm wide; 30-90° to horizontal 0.50 24.45 8.42 16.33 m2 49.20 ne 300mm wide; at any inclination 0.60 29.34 8.42 16.33 m2 54.09 to domed surfaces 0.75 36.67 8.42 16.33 m2 61.42

hours £ £ £ rate £

WATERPROOFING – cont Bituthene 1000; lapped joints

over 300mm wide; ne 30° to horizontal 0.05 2.50 0.20 9.51 m2 12.21 over 300mm wide; 30-90° to horizontal 0.06 3.00 0.24 12.13 m2 15.37 ne 300mm wide; at any inclination 0.08 4.00 0.32 12.14 m2 16.46 Extra; one coat primer on vertical surfaces 0.03 1.50 0.12 0.03 m2 1.65

Bituthene 4000 ; lapped joints over 300mm wide; ne 30° to horizontal 0.05 2.50 0.20 9.82 m2 12.52 over 300mm wide; 30-90° to horizontal 0.06 3.00 1.32 13.10 m2 17.42 ne 300mm wide; at any inclination 0.08 4.00 1.52 13.10 m2 18.62

Famguard (hot applied) with Fam-primer over 300mm wide; ne 30° to horizontal 0.32 16.00 1.28 263.27 m2 280.55 over 300mm wide; 30-90° to horizontal 0.35 17.50 1.40 268.42 m2 287.32 ne 300mm wide; at any inclination 0.40 20.00 1.60 303.03 m2 324.63

Famflex (hot applied) with Fam-primer over 300mm wide; ne 30° to horizontal 0.32 16.00 1.28 201.76 m2 219.04 over 300mm wide; 30-90° to horizontal 0.34 17.00 1.36 205.62 m2 223.98 ne 300mm wide; at any inclination 0.38 19.00 1.52 229.86 m2 250.38

Two coats of RIW liquid asphaltic composition sprayed or brushed on

over 300mm wide; ne 30° to horizontal 0.03 0.66 0.12 57.35 m2 58.13 over 300mm wide; 30-90° to horizontal 0.03 0.66 0.12 57.35 m2 58.13 ne 300mm wide; at any inclination 0.04 0.88 0.16 57.35 m2 58.39

Two coats of Mulseal sprayed or brushed on any inclination 0.07 1.54 0.28 25.63 m2 27.45

20mm thick red tinted sand asphalt layer onto bridge deck 0.02 1.00 0.48 11.54 m2 13.02

SURFACE IMPREGNATION OF CONCRETE

Silane waterproofing Surface impregnation to plain surfaces – – – – m2 4.11

REMOVAL OF EXISTING ASPHALT WATERPROOFING

over 300mm wide; ne 30° to horizontal 0.13 6.36 – – m2 6.36 over 300mm wide; 30-90° to horizontal 0.18 8.80 – – m2 8.80 over 300mm wide; at any inclination 0.20 9.78 – – m2 9.78 to domed surfaces 0.25 12.22 – – m2 12.22