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Costs: lighting

Davis Langdon details a range of costs for internal and external lighting and for electrical services distribution. Costs of luminaires are given on a supply-only basis, with lamps included where indicated. Rates for electrical distribution works are for

CABLED SERVICES Supply and fix prices LV DISTRIBUTION £/m basic £/m surface fixed (incl lowance for tings) Conduit l Light-gauge conduit (high-impact PVC) - 20mm diameter 7.50-8.50 - 25mm diameter 8.50 - 9.50 l Heavy-gauge conduit (galvanized) - 20mm diameter 10.50-12.50 - 25mm diameter 13-15 Trunking Galvanised steel trunking l Single compartment (suspended) - 50 x 50mm 11.50 23-28 -150 x 50mm 25 45-50 l Triple compartment (suspended) - 75 x 50mm 23 35-39 -150 x 50mm 28 45-50 l Flush floor trunking triple compartment - 350 x 60mm 53 80-105 l Galvanised-steel cable tray; BS 729 (suspended) - 100mm wide 13 25-27 - 100mm wide; with return flange 16 28-30 l Galvanised-steel ladder rack (suspended) -150mm ide 28 37-43 - 450mm wide 43 60-70 WIRING Wiring accessories £ each l Local switches; 10-amp flush-mounted plate switches;

white plastic-fronted; 16mm metal box - 1 gang 1 way, single pole 10.50 - 1 gang 2 way, single pole 12.50 - 2 gang 2 way, single pole 17.50 l Local switches; 6 amp metal-clad surface-mounted switch; one way - 1 gang 15.50 - 2 gang 20 - 6 gang 48 l Local switches; 6 amp modular-type switch; galvanised-steel box;

bronze/satin-chrome cover plate; switch; one way - 1 gang 23 - 2 gang 29 - 6 gang 75 l Dimmer switches; rotary action - 1 gang, 1 way, moulded plastic case; 250 watt 20 - 1 gang, 1 way, metal clad; 400 watt 50 1 gang £ each 2 gang £ each l Socket outlets; 13 amp Surface-mounted plastic box and cover plate - witched 12 15 - tched 13 16 l Metal clad; galvanized-steel box and coverplate;

- witched 14 18 - tched 15 21 l Flush-fixed galvanized-steel box, plastic cover plate;

- tched 13 16 l Galvanized-steel box, satin-chrome cover plate;

- tched 17 23 INTERIOR LIGHTING Supply-only prices for luminaires Fluorescent lighting for commercial applications Surface-mounted luminaires, Opal diffuser Prismatic controller including lamps £/each £/each - 1,200mm long; 2 x 36W lamps 48 53 - 1,600mm long; 2 x 58W lamps 53 58 l Moisture-proof luminaires with fibre-reinforced polyester body;

protection to IP65; clear polycarbonate diffusers; excluding lamps - 1,500mm long; 1 x 58W lamp 62 - 1,500mm long; 2 x 58W lamp 72 l Recessed fluorescent luminaires for suspended ceilings, excluding lamps aluminium divergent reflector to LG3 600 x 600mm; 4 x 18W lamps - witchstart 88 - electronic control 105 l 1,200 x 300mm; 2 x 36W lamps - witchstart 78 - electronic control 95 l Aluminium highly specular controller to LG3 600 x 600mm;

4 x 14W T5 lamps - high frequency 110 - high frequency - dimmable 125 l 1,200 x 300mm; 2 x 28W T5 lamps - high frequency 90 - high frequency - dimmable 105 l Recessed downlighters for suspended ceilings; excluding lamps - w-profile, low-voltage downlight; 70mm diameter;

transformer, 1 x 35W capsule lamp 35-75 - plain open cone; 220mm diameter;

2 x 18W fluorescent lamps; electronic ballast 90-160 - fully recessed tungsten halogen wall washer;

135mm diameter; 1 x 75W lamp 90-160 EXTERIOR LIGHTING Supply-only prices for luminaires (lamps included as described) Wall-mounted luminaires £/each l Polypropylene housing, polycarbonate opal diffuser, control gear;

11W compact fluorescent lamp - xing accessories 27 - with photocell 42 - shallow plastic luminaire, dust/splash-proof polycarbonate diffuser; IP54 protection; control gear; 2D-28W lamp 55-75 l Bulkhead luminaires - aluminium-cast bulkhead fitting; toughened glass prismatic diffuser, weather protection to IP55;

70W high-pressure sodium lamp (lamp excluded) 110 - die-cast aluminium hemispherical bulkhead; opal polycarbonate diffuser; 4 x 26W compact fluorescent lamp (lamp excluded) 215 l Bollard-mounted luminaires - circular-section vandal-resistant bollard; polycarbonate screen and aluminium louvres; control gear; 70W high-pressure sodium lamp (lamp excluded) 265-425 l Floodlights - surface-mounted floodlight; GRP body; asymmetric aluminium reflector; weather protection to IP55; 150W tungsten halogen p 55-155 - surface-mounted floodlight; GRP body; asymmetric anodised aluminium reflector; weather protection to IP65;

250W high-pressure sodium lamp 155 - 255 l Outdoor recessed - recessed, die-cast aluminium with tempered glass lens;

weather protection to IP67 ;18W compact fluorescent lamp 85 - 210

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