Stairs

Thermoplastic single ply roofing; laid flat laid loose m2 25.62 to 30.60 mechanically fixed m2 32.79 to 38.36 fully adhered m2 36.16 to 41.14 CPE membrane; laid loose m2 29.57 to 36.16 CSPG membrane; fully adhered m2 29.57 to 36.16 PIB membrane; laid loose m2 33.96 to 41.14 Extra for ballast m2 8.20 to 13.32

High performance built-up felt roofing; laid flat three layer 'Ruberglas 120 GP' felt roofing; granite chipping finish m2 36.16 to 39.53 'Andersons' three layer self-finish polyester based bitumen felt roofing m2 36.16 to 41.14

High performance built-up felt roofing; laid flat three layer polyester based modified bitumen felt roofing m2 37.33 to 41.14 three layer 'Ruberfort HP 350' felt roofing; granite chipping finish m2 45.68 to 51.24 three layer 'Hyload 150E' elastomeric roofing; granite chipping finish m2 45.68 to 51.24 three layer 'Polybit 350' elastomeric roofing; granite chipping finish m2 47.87 to 53.44

Torch on roofing; laid flat three layer polyester-based modified bitumen roofing m2 32.79 to 38.94 two layer polymeric isotropic roofing m2 32.79 to 38.94 Extra granite chipping finish m2 3.07 to 8.20

Edges to flat felt roofs; softwood splayed fillet; 280 x 25 mm painted softwood fascia; no gutter aluminium edge trim m 38.36 to 41.14

Edges to flat roofs; code 4 lead drip dresser into gutter; 230 x 25 mm painted softwood fascia 100 mm PVC gutter m 36.16 to 47.87 150 mm PVC gutter m 45.68 to 54.61 100 mm cast iron gutter; decorated m 54.61 to 67.96 150 mm cast iron gutter; decorated m 67.93 to 81.84

STAIRS

Timber construction

Softwood staircase; softwood balustrades and hardwood handrail; plasterboard; skim and emulsion to soffit 2.6 m rise; standard; straight flight nr 816.91 to 1238.54 2.6 m rise; standard; top three treads winding nr 999.91 to 1374.70 2.6 m rise; standard; dogleg nr 1147.78 to 1455.22

Reinforced concrete construction

Escape staircase; granolithic finish; mild steel balustrades and handrails 3 m rise; dogleg nr 4266.10 to 5457.79 Plus or minus for each 300 mm variation in storey height nr 414.31 to 534.36

Staircase; terrazzo finish; mild steel balustrades and handrails; plastered soffit; balustrades and staircase soffit decorated 3 m rise; dogleg nr 8520.48 to 10681.34 Plus or minus for each 300 mm variation in storey height nr 857.90 to 1068.72