Power Development Department Tender

Fabrication, Supplying, Erection, Testing and Commissioning of 16 metre long Polygon high mast with 20 telescopic sections (20 side polygon) , - Top 150 mm and Bottom (350-500) mm dia having, (minimum overlap distance of 1.5 times of topsection) thickness as per BSEN 10025 grades 355 JO/ASTM A572-50 , steel sheet plate for shaft suitable to withstand a wind velocity of (45-50)m/s as per IS 875 part 3(as per GA Drawing). Base plate as per IS 2062/ASTM A572-50. The mast shall be Galvanized in single Hot-dip as per BSEN ISO 1461/ASTM A123 with an average65- 70 microns as per IS 2629, and welded as per BS 5135 Single L-Seam joint . The mast shall have internal power tool , motorised,(Suitable reversible geared motor operating on 230/415V, 50Hz,), mounted at the base compartment for raising and lowering of the lantern carriage.(Complete job including all accessories). The bottom shaft of mast must have door having locking arrangement. The mast shall have galvanized lantern carriage way ( suitable dia with max load carrying capacity as per IS 1239 ) suitable for carrying 12 Nos flood lights and its control box ( excluding cost of lights ). The mast shall be erected on the new ly constructed RCC footing. The mast shall be supplied with 3 mm thick template, lightning arrester (lightning finial) of 1.2m length galvanized pipe with top arrow fitted on top of the head frame cover and GLS type aviation twin obstruction light. (excluding foundation) as per technical data. ( for further details refer to the SBD). Bajaj / Ventura/Transrail / Aster/Utkarsh/Voltcon/Subham/Valmont/wipro/Abhishek enterprises/.

Supply installation testing and comm. of Energy saving, environmental friendly, long life, flood light luminaries. They shall be grey epoxy powder coated die-cast aluminium housing withnframe, non integral type, IP66 , suitable for high mast application, heat resistant clear toughened glass fixed to the frame with silicon rubber gasket with electrochemically brightened, olished and anodized aluminium reflector with cast aluminium control gear box, copper ballast and 240 W LED lamps. Control gear box for appropriate wattage Havell /Crompton/ Philips/ SYSKA/Bajaj/Wipro/Orient/Surya.

Supply and fixing of foundation blots as specified in the drawing, manufactured from guaranteed performance high tensile strength special steel, hot dip galvanized , holding down bolts supplied with precision made steel template including nuts washers etc.