Supply and Installation of 3.3 KV Grade Neutral Grounding Resistor (NGR) with Safety Features at 10no. Substation of Sarubera Project under Kuju Area

Amount

Design, manufacturing, supply and commissioning of 3.3 KV KV, 10 Amps, Restricted Neutral Grounding system (NGR) registance 190 ohms consisting of Neutral grounding resistor, stainless steel non-magnetic punched grid type AISI 304 grade, Max temperature rise 375 deg C, Indoor Epoxy Resin cast neural current transformer, 11KV 50/5A, IOT and Solid state NGR monitoring fail safe relay, Fuse enclosure, HRC fuses, connectors, glands, control wires and bushing studs, Buzzer (electronic), floor mounted, powder coated control panel and resistance box with all accessories, Outdoor type, Safety Features:, 1. Resistance temperature sensor: trips the breaker if resistance temperature exceeds a set value 2. Temperature logs: hourly resistance temperature log for the last 24 hours. 3. Current Logs: Hourly Neutral current log for the last 24 hours.

Earthing with copper earth plate 600 mm X 600 mm X 3 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Supply of XLPE insulated power cable (conforming IS-7098 Part-1) 1100 Volt grade, 1 core ISI marked with alu. stranded /solid conductor 35 sq. mm.1 core

Supply of XLPE insulated FRLS heavy duty power cable conforming IS-7098 (Part-1) 1988, 1100 Volt grade, ISI marked with copper stranded/solid conductor. 8 Core X 2.5 SQ MM

Supply of XLPE insulated FRLS heavy duty power cable conforming IS-7098 (Part-1) 1988, 1100 Volt grade, ISI marked with copper stranded/solid conductor 4 Core X 4 SQ MM

Total impact of GST for the purpose of CTC

Sandeep and Co. (BID ID -1154118)