ABSTRACT
Re-erection of galvanized steel bracket arms 0.5m projection, single arm 0.16 10.47 17.19 31.21 nr 58.87 1.0m projection, single arm 0.19 12.43 20.41 31.21 nr 64.05 1.5m projection, single arm 0.21 13.74 22.56 31.21 nr 67.51 2.0m projection, single arm 0.27 17.67 29.01 31.21 nr 77.89 1.0m projection, double arm 0.29 18.98 31.15 31.21 nr 81.34 2.0m projection, double arm 0.32 20.94 34.38 31.21 nr 86.53
Re-erection of precast concrete bracket arms 1.0m projection, single arm 0.24 15.71 25.78 31.21 nr 72.70 2.0m projection, single arm 0.32 20.94 34.38 31.21 nr 86.53 1.0m projection, double arm 0.35 22.90 38.60 31.21 nr 92.71 2.0m projection, double arm 0.37 24.21 37.60 31.21 nr 93.02
Reinstalling lantern unit with photoelectric control set to switch on at 100 lux; lamps
55W SON (P226); to suit 4m and 5m columns 0.40 26.44 26.27 – nr 52.71 70W SON (P236); to suit 5m and 6m columns 0.22 14.54 26.27 – nr 40.81 250W SON (P426); to suit 8m, 10m and 12m columns 0.50 33.05 32.84 – nr 65.89 Sphere 70W SON; to suit 3m (P456) 0.50 33.05 32.84 – nr 65.89 400W SON High pressure sodium; to suit 12m and 15m columns 0.50 33.05 32.84 – nr 65.89
