Northeast Frontier Railway Tender

Supply, installation, commissioning of floor mounted 500 KVA 11/0.433 KV Dry Cast Resin Type (Delta-Star) Step down copper wound transformer with OFF Circuit Tap Links with tapping range of +5% to -5% in steps of 2.5%. Air Natural cooling; "H" class of insulation, dyN11 vector group 1 with standard fittings and accessories such as 01 HV Cable box, 01 LV cable box, 01 No. Winding Temperature Indicator (Scanner type), 01 No. Rating and Diagram plate, 02 Nos. Earthing terminals, 01 No. Separate Neutral Bushing, 04 Nos. Lifting Lugs, 04 Nos. Bi-directional rollers, 01 No. Marshalling Box, 01 Enclosure including necessary HT, LT and control cabling works, internal earthing connections by GI strips etc. as per Specification attached and as per instructions given by Railway Site Engineer

Supply , installation , testing and commissioning of floor/ pedestal mounted Outdoortype LT Panel Board double door with IP-64 protection dust-vermin & corrosion proof, chemically treated , colour of panel shall be RAL 7035 structured finish , modular in construction made of suitable size, using CRCA Sheet Steel of 2mm thickness and are Epoxy powder coating having 9 tank process having provision of cable alley in both sides as per Sr. DEE/GHY SPECFICATION No: SDEE/GH/SPN/52 Dated 21/5/2007 with 1 set 3 phase with neutral (TPN) electrolytic grade 1500A COPPER bus bar and bus bar system shall have heat shrinkable coloured PVC sleeve . The panel should have three row digital display voltmeter ammeter with CT's of control fuse and 3 Nos. LED indication lamp, auxiliary contactors, cam switches etc. as per manufacturer specification/recommendation. All internal connection to be done by suitable size copper strip, internal connection with terminal shrouds ,source separator and phrase barriers , to be provided as per direction of site Engineer in-charge of Railway. comprising of the following :- a) Supply, fitting, fixing, testing & Commissioning of 02 Nos. 630 Amps, 4 pole, 50 KA Microprocessor released Based MCCB suitable for mounting in the above LT panel board, connection of incoming supply of copper strips of suitable size from the bus bar. b) Supply, fitting, fixing, testing & Commissioning of 04 Nos. 250 Amps, 4 pole, 36 KA Microprocessor released Based MCCB suitable for mounting in the above LT panel board, connection of incoming supply of copper strips of suitable size from the bus bar. c) Supply, fitting, fixing, testing & Commissioning of 03 Nos. 125 Amps, 4 pole, 25 KA MCCB suitable for mounting in the above LT panel board, connection of incoming supply of copper strips of suitable size from the bus bar. (MCCB including spreader terminals (extended type), terminal cover (long type) and phase barrier as per requirement and suitable for mounting in the above LT panel board. Breaking capacity of all MCCB's should be Ics=100% Icu with adjustable magnetic settings and MCCB's shall have a rated service voltage up to 690V and rated impulse withstand voltage shall not be lesser than 8 KV).

Supply & erection of Color coated maintenance free, non- corrosive nature FRP fencing for substation of height 6 feet of fence panels 25 mm deep, 50x50 mm mesh with the load bars oriented parallel to the edge of the panels, vertical and horizontal Line posts of 4" x 4" x 1/4" wide flange sections, Corner Posts of 6" x 6" x 3/8" angles with lock and key arrangement. Line and corner 3 posts are to be manufactured by the pultrusion process with a glass content minimum of 45%, maximum of 55% by weight. The structural shapes shall be composed of fiber glass reinforcement and resin in qualities, quantities, properties, arrangements with supply and construction of foundation pad with suitable ramp and fixing of suitable channel on the top of the bed. The CC foundation should be in the ratio 1:2:4 by cement sand and chips of size 19 mm and down and dimensions as per site requirement as per instructions of the Engineer In-charge.