PROVN AND INSTALLATION OF 100 KVA SUB STATION AT IMBRAZALWARI COMPANY OPERATING BASE (COB) AND SPL REPAIR OF TRANSFORMER AND VOLTAGE STABILIZER AGAINST BER EQPT AT VARIOUS LOCATION AT HAWS GULMARG UNDER GE 969 EWS

Supply, installation, testing and commissioning of copper wound step-down Distribution Transformer, outdoor, floor mounted type, suitable for 11 KV / 433 V, 3 phase, 4 wire, 50 Hz AC system, of capacity 100 KVA , oil immersed, naturally cooled ONAN (Oil Natural Air Natural) type, complete with all standard accessories, fittings and mounting arrangements. The transformer shall conform to latest amendments of IS-1180 (Part-1):2014. Transformer shall be suitable for outdoor operation under Indian climatic conditions. The transformer shall have: HV side: Delta connected LV side: Star connected with neutral brought out Vector group: DYN-11 Tapping: Off-load tap changer on HV side with taps of ±2.5%, ±5%, ±7.5% in steps of 2.5% Cooling: ONAN with radiators/cooling fins Technical requirements i. Winding: Electrolytic grade copper ii. Insulation: As per IS standards iii. Percentage impedance: As per IS 1180 iv. Losses: As per Energy Efficiency Level-2 / latest BEE norms v. Temperature rise limits: As per IS 1180 vi. Vector group: DYN-11 mandatory vii.Neutral brought out and suitable for solid earthing Accessories & fittings i. Cable end box on HV side suitable for 95 sqmm 3 core size XLPE cable. ii. Cable end box on LV side suitable for 95 sqmm 3.5 Core size XLPE cable with cable glands.

iii. Conservator with oil level indicator (min/max marking). iv. Silica gel dehydrating breather (first filling included). v. Cooling radiators / fins. vi. Explosion vent / pressure relief device (PRD). vii. Oil temperature indicator (OTI) with maximum reading and reset. viii. Thermometer pocket. ix. Oil filling hole with cap. x. Oil drain valve with sampling facility. xi. Air release valve. xii. Earthing terminals: Minimum 2 nos. for body earthing .Minimum 2 nos. for neutral earthing (separate bushing) xiii. Lifting lugs and pulling lugs. xiv. HV bushings with arcing horns. xv. LV bushings (porcelain/epoxy as per standard). xvi. Rating plate (as per IS) and terminal marking plate. xvii. Danger plate and phase indication markings. xviii. First filling of new, unused, ISI marked transformer oil conforming to IS 335. Notes:- (i) The drawing of transformer shall be approved by accepting officer on receipt of request from the contractor through GE. (ii) The transformer shall be tested as per IS for all routine tests in the factory premises and reports will be deposited with purchase voucher. (iii) Factory inspection and testing of the transformer shall be carried out in the presence of the representative of the Accepting Officer/SEI/IEM, and all associated charges shall be borne by the contractor.

S&F 3 phase prodigy (SECURE) distribution transformer meter with built-in-current transformers, energy audit and system analysis, direct connected 3 Ph 4 Wire 415V with current range 40-200A, accuracy class 1.0, frequency 50 Hz, Insulation class protection Class II, Impulse with stand 10KV, IS-13779, dimensions (W x H x D) 365 x 283 x 221mm (with extended terminal cover) complete all as specified and directed.

M&L for cubical panel (dimension of meter to be fixed in panel is 365x283x221mm) for 3 Ph prodigy (Secure) meter along with connected items like nuts & bolts, screws, binding wire, hold fast for fixing in wall/grouting including XLPE UG Cable 95 Sqmm 3.5 Core from transformer to meter and panel complete all as specified and directed. Note : The quoted rate shall be deemed inclusive of connection of LT UG cable from transformer to panel and meter

Supply, installation, commissioning and testing servo voltage stabilizer fully automatic micro processor based control card of capacity 100 KVA, three phase oil cooled with Single phase prevention system, indoor type and designed for input variation between 380 V to 460 V with output voltage stabilized at 415 Volts with accuracy of + 1% and speed of correction 8 V/Sec, no load loss less than 0.5%, operating temp - 15C to 45C above ambient and unbalanced load complete with first filling of oil complete all as specified and directed including additional features as follows: a. High & low voltage cut off system b. Change over switch to by-pass the system

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 95 Sq mm 3.5 core complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) with stranded aluminium conductor, 11000 Volts grade 95 sq mm 3 core complete all as specified and directed.

M&L for earthing complete with galvanized steel earth plate electrode 60 x60 cm and 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below ground level) with top edge of the plate not less than 1.5 meter below normal ground level connected to GI earth lead wire 4 mm dia by means of bolts nuts, check nut and washers of GI and GI tubing 15 mm bore, medium grade for earth lead protection up to main earth test point and including concrete pit in PCC 1:3:6, type C1 pre cast RCC 1:2:4, type B1 cover slab 450 x 450 x 50 mm reinforced with 8 mm dia TMT bars 100 C to C including one handle for lifting made out of 8 mm dia MS bar, wire mash, 20 mm bore GI tubing medium grade for watering, charcoal and salt in alternate layers including excavation earth work electrical plate no 3 of SSR Part-I complete all as specified and directed.

M&L earthing complete with galvanized earth plate electrode 600 x 600 and 6 mm thick buried directly in ground vertically to a depth of not less than 2.25 mtr below ground level connected to 32 x 6mm earth strip with nut, bolts and washers made out of galvanized iron mild steel and 40 mm dia GI pipe "light grade" for protection of earth lead and connected to control board or main switch or as directed by Engineer -in-Charge including earthing pit in PCC 1:3:6, type C1 for chamber & Pre-cast RCC cover of size 380 x 380 x 40 mm with one handle made out of 8 mm dia round bar, 20 mm dia GI pipe light grade for watering funnels , wire mesh and provided charcoal or coke of alternative layers of 15 cm including necessary earth work as Exc, R&F & removal etc. complete all as specified and directed.

S&F HT 11 KV outdoor type gang operated air break switch suitable for horizontal type complete with 12 insulators 200 Amps complete all as specified and directed.