street light maintenance required materials for maintenance inventory - single phased sensor, cfl bulbs, led tube lights (inclusive of 12w, 24w, and 36w), post-mounted street lights. 2) installation of street lights - supply, conveyance, installation, testing, and commissioning of 20w led light, 25mm gi round pipe (3 meters) painted with aluminium syndicate enamel paint, 12" diameter aluminium shade with an auto-cut paint coat finish, 4mm wp service wire with porcelain holder, galvanised 6" 3/8