ABSTRACT
RESOURCES - LABOUR Protective painting gang 1 ganger/chargehand (skill rate 4) 14.28 2 skilled operatives (skill rate 4) 26.64 2 unskilled operatives (general) 24.88 Total Gang rate / Hour £ 65.80 RESOURCES - PLANT Protective painting power tools (protection of steelwork) 3.21 access scaffolding, trestles and ladders 1.89 5 t transit van (50% of time) 3.75 gas oil for ditto 1.66 Total Gang Rate / Hour £ 10.51 RESOURCES - MATERIALS Resources - materials All coats applied off site except as noted The external environment has been taken as Inland 'B' Exposed. PROTECTIVE SYSTEM Galvanising to BS EN ISO 1461; apply protective coatings comprising: 1st coat: Mordant T wash; 2nd coat: Zinc rich epoxy primer; 3rd coat: Zinc phosphate, CR/Alkyd Undercoat; 4th coat; MIO CR Undercoat-on site externally; 5th coat: CR coloured finish-on site externally To metal parapets and fencing, lighting columns, brackets by brush or airless spray to dry film thickness 200 microns 0.20 13.05 2.10 19.26 m2 34.41 Blast clean to BS 7079 (surface preparation); apply protective coatings comprising: 1st coat: Zinc Chromate, Red Oxide Blast Primer; 2nd coat: Zinc Phosphate, Epoxy Ester Undercoat; 3rd coat: MIO Undercoat; 4th coat: MIO coloured finish-on site externally To subsidiary steelwork, interior finishes By brush or airless spray to dry film thickness 175 microns 0.15 9.78 1.58 13.90 m2 25.27
Item
Gang hours
Labour £
Plant £
Material £ Unit
Total rate £
Blast clean to BS 7079 (surface preparation); apply metal coating of aluminium spray at works; apply protective coatings comprising: 1st coat: Zinc Chromate Etch Primer (2 pack); 2nd coat: Zinc Phosphate, CR/Alkyd Undercoat; 3rd coat: Zinc Phosphate, CR/alkyd Undercoat; 4th coat: MIO CR Undercoat; 5th coat: CR finish-on site externally To main steel members
By brush or airless spray to dry film thickness 250 microns 0.18 11.74 1.89 15.75 m2 29.38
Blast clean to BS 7079 (second quality surface preparation); remove all surface defects to BS EN10025; apply protective coatings comprising: 1st coat: Zinc rich primer (2 pack); 2nd coat: Epoxy High Build M10 (2 pack); 3rd coat: Polyurethane Undercoat (2 pack) on site internally; 4th coat: Finish coat polyurethane (2 pack)-on site externally To internal steel members
By brush or airless spray 0.15 9.78 1.58 21.78 m2 33.15
ALTERNATIVE SURFACE TREATMENTS
Galvanising (Hot dip) to BS EN ISO 1461, assuming average depth 20 m2 per tonne of steel - - - - m2 14.13 Shot blasting (at works) - - - - m2 2.84 Grit blasting (at works) - - - - m2 4.05 Sand blasting (at works) - - - - m2 6.09 Shot blasting (on site) - - - - m2 3.98 Grit blasting (on site) - - - - m2 5.67 Sand blasting (on site) - - - - m2 8.53
