Tender For Repair/Maintenance Of Vcb With Connected Items At 41 Weu Under Air Force Station Pathankot - 1 M/L for strip opening the metering cubicle of HT panel of rating 11 KV, 3 phase comprising of following repairs in replacement, inspecting, overhauling and servicing/re-fixing of the spare etc, complete all as specified and directed(a) Dismantling the compete HT 11 KV 3 phase independent bys bar, bus bar chamber of HT panel and inspecting the bus bar insulators (b) Checking inspecting the numeric/microprocessor/IDMT relays, multifunction meters/energy meter, ammeters and voltmeters for their serviceability and functionality etc complete (c) Checking complete electrical tripping circuit of HT panel including control wiring from secondary system rotary to tripping coil, auxiliary switch male and female housing cut out etc and wiring including replacement of managed wire at places including operation on DC system, testing and commissioning completer all as directed. (d) Inspection CTs and PTs if any. Replacing the defective CT/PTs including accuracy in checking of the CT wiring including identification of the bas and connecting links to main switch complete all as directed by Engr-in-Charge € inspecting of indicating lamps rotary switches/selector switches, toggle switches etc complete. No (1) The rate quoted shall be deemed to include for necessary T&P minor spares like nuts, bolts, washers, gasket, insulation tape, lugs compound etc to put in the the HT metering cubicles/panels in serviceable condition, testing and calibration all as specified and as directed by the Engr-in-Charge. (ii) Major spares like CTs, PTs, relays, ammeters, voltmeters, multifunction meters, energy meters, indicator lamps, control wiring, rotary / selector & toggle switches, calibration of relays etc shall be measured and paid separately under relevant items of schedule ‘A’. However the ratequoted shall be deemed to include for any other minor spares require replacement – 02 Nos 2 Disconnect and taking out the numeric / Microprocessor based relay / IDMT relay of any type of any make from 11 KV HT panel, cleaning the contacts, calibrating the relay by conducting secondary injection tests, checking of current transformer, rectification of defect in control wiring for proper tripping of circuit breakers through CTs and relay and tripping coils, adjustment/setting to plug and time multiplier setting of the relay to achieve the descrimination in tripping, tune synchronize upstream breaker relay setting, re-installation of relay, testing & commissioning etc, complete all as specified and directed. Note the contractor has toarrange necessary testing kits, testing equipment’s tools etc and shall also submit detailed test reports, panel wise, duly spiral bound , rental rate for the testing/calibration kits & connected equipment’s are deemed to be included in the quoted rate. Testing & tuning shall be carried out in the presence of representative of the Department, to the satisfaction of the department. 02 Nos 3. S & F in replacement Master trip relay upto 120 V DC Suitable for 11 KV HT panel for protection system as per site, complete all as specified and directed 01 Nos 4S&F in replacement DC supervision relay upto 120 V DC suitable for 11 KV HT panel for protection system as per site, completeall as specified and directed – 02 Nos 5 S&F in replacement shunt trip coil 30 V DC/110 V DC, complete all as specified and directed -03 Nos6 S&F in replacement breaker control switch , complete all as specified and directed 02 NOs7 S&F in replacement breaker bushing contact, complete all as specified and directed – 02 Nos8. S&F in replacement spring charging motor with gear assembly, complete all as specified and directed -02 Nos9 Supply, install testing and commissioning (in replacement) of HT 11 KV switch air break, gang operated, triple pole mechanically operated, mounted on insulators and MS channel frame, with operating mechanism made out of 25 mm dia GI medium grade pipe suitable for operation from ground level with locking arrangement complete for current rating 200 Amps, complete all as specified and directed -20 nos 10 S&F in replacement expulsion fuse single pahse above 50 & up to 100 AMPS capacity, 11000 Votls, complete all asspecified and directed -02 Nos11 S&F in replacement HT lightening arrestor high tension 11000 volts expulsion type complete with all fittings, transmission class, discharge capacity 65 Kil Amp12 Supply laying, testing & Commissioning in replacement of HT ug CABLE, XLPE insulated screened PVC bedded, galvanized steel strip or wire armoured, electric power cable (heavy duty) with stranded aluminum conductor 6.35/11 cKV grade directed including dismantling old one, complete all as specified and directed. Not (a) Earth work (Excavation, returning & refilling and removal), sand cushioning, concrete cable covers, GI pipe protection for road crossings, HT termination joints will be measured and paid separately- 32 RM13 M&L cable jointing kit for 11 KV (Earthed) grade XLPE cable for outdoor end termination cold shrink type joint 3 core 40 sqmm to 95 sqmm complete with jointing material and accessories suitable for following sizes including testing after jointing complete all as specified . Not Earth work (Excavation, Returning & refilling and removal), sand cushioning, concrete cable covers, GI pipe protection will bemeasured and paid separately -02 Nos14 Supply and fixing single phase power pack with capacitor back up input voltage 110 volt AC 1 Ph output voltage 110 Volt DC, 100W complete all as specified and directed -02 Nos15 Supply and lay LT XLPE insulated armoured heavy duty under ground cable with aluminium conductor. 1100 volts grade cross sectional area of size 3.5 Core 120 Sqmm including cable lugs jointing material laid in trenches fixed on pole / duct wall and laid through suitable GIPipe complete all as specified and directed – 40 RM16 Excavation in trenches n.exc 1.5 mtr wide and not exc 1.5 mtr depth and getting out in soft/ loose soil, complete all as specified and directed. 7.76 Cum 17 Returning and filling in of excavated soil including spreading, leveling watering and well ramming in layers not exceeding 25 cm each, complete all as specified and directed. 3.92 Cum18 Removal of surplus soil not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above the starting point, complete all as specified and directed. 3.84 Cum19 M&L for good quality dry sand cushioning to under ground electric cable on layer of 8 cm thick before laying the cable and second layer the cable and second layer of 15 cm thick after laying the cable all as specified inclause 19.75 of MES Schedule part-I (2009) Note : Sand shall be fined sand as specified and punned thickness shall be measured and paid . 2.83 Cum20 M&L sub class ‘B’ bricks covering protection to the electric cable laid dry flat transversally along the length oc cable on sand cushioning with width equal to lenth of brick complete all as specified and directed. 0.2 per 1000 Nos21 Supply & Fix Precast cable cover HV TAype-1 flat size 300X180X40mm laid in trenches over under ground cable complete all as specified and directed. 55 Nos
