REPAIR MAINTENANCE AND IMPROVEMENT OF LT PANEL INCLUDING LT SWITCH GEAR EARTHING TIMER PANEL LT POLES POLE BOX OUTDOOR STREET LIGHTS FLOOD LIGHTS AREA LIGHTS LT DISTRIBUTION NETWORK AND CONNECTED ITEMS AT 25 WEU RECEIVER TRANSMITTER NIRBHAY VIHAR

Supply and erect in true vertical position 05 metre continuously tapered hot dip galvanised Octagonal cross sectional pole with single dipping method having bottom 130 mm A/F and top 70 mm A/F 3 mm thick confirming to ASTM A 572 Gr with yield 450 mpa cut and folded to form an octagonal section and welded in accordance with AWS for wind loading as per IS 875 part 3 1987, Poles shall be provided with base plate of size 220 x 220 x 12 mm which shall be free from any lamination or incursion with no cutting or welding on the pole after hot dip galvanising with single arm 1000 mm long bracket tilted to 150 degree from horizontal toward vertices suitable for mounting on the octagonal pole, of company recommendation and one no TPN Connection 3 phase 4 wire 100 Amps, and one number MCB SP 6 Amps, A triangular flat MS plat of 6 mm thick duly coated with GI shall be welded between cap of the octagonal pole and bracket. Welding work shall be done 250mm on bracket and 150 mm on pole's cap including all RCC work type (1:2:4) type B-1 as per pole manufacturer's drawing and earth work all as per requirement complete all as directed by Engr in Charge.

Supply and erect in true vertical position 07 metre continuously tapered hot dip galvanised Octagonal cross sectional pole with single dipping method having bottom 130 mm A/F and top 70 mm A/F 3 mm thick confirming to ASTM A 572 Gr with yield 450 mpa cut and folded to form an octagonal section and welded in accordance with AWS for wind loading as per IS 875 part 3 1987, Poles shall be provided with base plate of size 220 x 220 x 12 mm which shall be free from any lamination or incursion with no cutting or welding on the pole after hot dip galvanising with single arm 1000 mm long bracket tilted to 150 degree from horizontal toward vertices suitable for mounting on the octagonal pole, of company recommendation and one no TPN Connection 3 phase 4 wire 100 Amps, and one number MCB SP 6 Amps, A triangular flat MS plat of 6 mm thick duly coated with GI shall be welded between cap of the octagonal pole and bracket. Welding work shall be done 250mm on bracket and 150 mm on pole's cap including all RCC work type (1:2:4) type B-1 as per pole manufacturer's drawing and earth work all as per requirement complete all as directed by Engr in Charge.

M & L for Earthing complete with galvanised steel earth plate electrode 6mm thick of size 600x600 mm buried directly and vertically in ground with top edge of the plate not less than 2.25 metre from GL, connected with galvanised iron strip 32x6mm all as shown in Plate No-3, connected to the earthing test point, concrete pit in PCC 1:3:6 type C-2with RCC precast pit cover slab 400mmx400mmx50mm with handle for lifting made out of 8mm dia MS rod, funnel, wire mesh, 50 mm dia light grade GI tubing for protection of GI Strip 32x6mm, charcoal and salt in alternate 150mm thick layers around GI earth plate, including necessary returning filling in & removal all as specified or indicated in SSR Part-I, including testing to achieve earth resistance value as per IS specification on completion

Supply, installing, testing and commissioning in replacement factory made, CPRI approved, overall powder coated Timer panel board , cubical compartmentalized, out door type double door, plate form mounted, suitable for 415 volts, 3 phase, 4 wire, 50 Hz AC supply system having bus bar chamber with insulated aluminium bus bars four pole installed on porcelain / SMC insulator. The timer panel shall be dust and vermin proof IP-54 class protection and outer shell made of 3 mm CRCA MS sheet, inner shell made of 1.6 mm thick CRCA MS sheet, 40 x 40 x 6mm thick MS angle iron frame work, the cubical have bottom support of angle iron 50 x 50 x 6mm, front and rear opening type, with apron & gland packing for incoming & outgoing cable entry, locking arrangement including internal wiring with PVC insulated solid, copper conductor FRLS cable, IS-694 marked, 1100 volts grade of appropriate size ( but not less than 2.5 Sqmm) and comprising of the following:-

Supply, installing, testing and commissioning in replacement factory made, CPRI approved, overall powder coated LT Panel board, cubical compartmentalized, out door type double door, plate form mounted, suitable for 415 volts, 3 phase, 4 wire, 50 Hz AC supply system having bus bar chamber with insulated aluminium bus bars four pole installed on porcelain / SMC insulator. The panel shall be dust and vermin proof IP-54 class protection and outer shell made of 3 mm CRCA MS sheet, inner shell made of 1.6 mm thick CRCA MS sheet , 60 x 60 x 6 mm thick MS angle iron frame work, the cubical have bottom channel of size 75 x 40 mm, front and rear opening type, with apron & gland packing for incoming & outgoing cable entry, MS Canopy lock heavy duty with polyamide heavy duty hinges and LT Panel specification to be amended as per IEC 61439 standards including internal wiring with PVC insulated solid, copper conductor FRLS cable, IS-694 marked, 1100 volts grade of appropriate size (but not less than 2.5 Sqmm) and comprising of the following:-