SPECIAL REPAIR TO VCBS AT MAIN POWER HOUSE AND CAPTIVE POWER HOUSE AT AF STN HASIMARA UNDER GE (AF) HASIMARA

Amount

Note 1: (Applicable for all parts/items) : The bidders/ contractors are advised to read tender document, all drawings & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

M&L for taking down all 11 KV HT connection from the existing VCB/ Bus coupler panel, any type and dismantling all diffective or burnt out part by part carefully for repair/replacement complete all as specified and directed.

M&L for re-assembling all the spare parts dismanteled under item No 2.00 above and replacement of defective spare parts with new spare parts including caliberation, testing after repair for proper functionality and operation of VCB panel and connection of existing HT cable complete all as specified and directed. Note:- Labour charges for fixing of all the spare parts are deemed to be included in the quoted rate.

Repair/ Maint of Bus Bar of VCB way by cleaning of bus bar and fixing of HVBT tape along the bus bar and HT putty with HVBT tape on all joints of Make : Rechem/CCI/M Seal/3M and replacement of all nuts, bolts, washers and gaskets and applying pertroleum jelly in all joints and open surfaces of Bus Bar and seal the all opening of the bus chamber by means of suitable sealing element to avoid entry of moisture into the bus bar including provision of space heater with suitable thermostat and cleaning of bus bar chamber and painting of bus bar (internally) with anti moisture paint complete all as specified and directed.

Caliberation and testing Micro process relay (MC31Anx of Make : L & T) from authorised manufacturer/ agent for earth fault, over current , under current, over voltage and other connected parameters at site by givinh artificial load, setting as per reqd load, time delay and fixing the relay set in VCB panels 11000 Volts complete all as specified and directed.

Supply and replacement of Instant tripping microprocessor earth falut and over current relay 24V-240V DC/AC, Output 2No and 2 NC MC31Anx in existing panel including cutting to the existing panel for fixing of mircoprocessor earth fault and over current relay including control wiring and making good to the disturbed surfaces complete all as specified and directed. Make : L & T cat part No MC31ANX4000 or equivalent

S & F in replacement 3 phase Multi Function meter such as Volt, Amp, Frequency, Power factor, Power, Energy, Run & ON hours, Neutral current, complete with all fixing accessories such as gaskets, nuts, bolts, washers, suitable CT coil etc and making good to the disturbed surfaces of the panel complete all as specified and directed. Make L & T Cat Part No WL440510OOOO or equivalent.

Supply and replacement of Indoor type current transformer single phase suitabe for 11000 Volt with CTR 200-100/5 having protection class 5P-10, burden of 5VA and metering core class 1.0 and burden of 15 VA breaking capacity 3.10 KV for 01 sec as per sample complete all as specified and directed.

All as per item No 8.00 above but ratio,CT-40-30/5-5.

All as per item No 8.00 above but ratio,CT-30-60/5-5.

S & F in replacement of voltage/ potential transformer three phase indoor draw out type 11 KV of ratio-11KV/ 110 V, insulation level 28/75KV, Burden 100VA / Phase solidly earthed, class 1.0 along with PT outer body, cable holding spout, cable connection from incoming to PT all as per existing and as specified and directed.

S&F bus bar stud as per existing suitable for VCB 11000V complete all as specified and directed.

S&F PT bushing suitable for VCB 11000V, 400 Amps all as specified and directed.

S&F Spring charge motor single phase 110/230 Volt AC suitable for Indoor type existing make / Capacity of VCB as per site including control wiring complete all as specified and directed.

S & F in replacement Anti skid surface and pastable type synthetic elastomer bounded HT rubber matting as per IS : 15652, ISI Marked 1000 mm width, colour : Grey/ Blue/ Red/ Black as approved by GE, ISI marked, ERDA & CPRI tested suitable for 11 KV to 33 KV, class 'C', 3.0 mm thick, AC proof voltage 36 KV, AC di-electric strength 65 KV, Max Leakage current 10mA, Min insulation resistance 1,00,000M ohm, Min tensile strength 15 N/mm2, flame retardance, Acid, Alkali, Diesel & transformer oil reistant including pasting with pasting agent Make : Fevicol SR998 complete all as specified and directed. Make : Vardhman, Jyoti, Cease Fire or equivalent.

S&F of LED indicating lamps AC 240V, 3 Phase with holder for main supply indication RYB & taking down old u/s, complete all as specified and directed. Make : L & T or equivalent

S&F of LED indicating lamps DC 30V / 110 V 3 Phase with holder for main supply indication RYB & taking down old u/s, complete all as specified and directed. Make : L & T or equivalent

S & F barrel fuse of size 3.15 Amp suitable for potential transformer complete all as specified and directed.

M & L for spary painting of VCB with approved anti-rust colour including sealing of joints to prevent moisture complete all as specified and directed.

M & L for repair / replacement of control wiring with suitable copper flexible wire to indicate all parameters such as volt, amp, earth fault, breaker on-off, breaker healthy, spring charge, including provision of 03 space heater with timer switch for alternater working complete all as specified and directed.

Supply only TNC Switch as per site requirement of any make VCB complete all as specified and directed.

Supply only Pla relay with base (round /Flate pin,110/30 Volt) as per site requirement of any make VCB complete all as specified and directed.

Supply only HT 11 KV grade Epoxy housing for vaccume interupter bottle as per site requirement of any make VCB complete all as specified and directed.

Supply only HT 11 KV grade Vaccume interrupter VG-2 as per site requirement of any make VCB complete all as specified and directed.

Supply only 2 CO relay 5 Amps, 110V AC as per site requirement of any make VCB complete all as specified and directed.

Supply only Trip coil 110V DC (without bracket) as per site requirement of any make VCB complete all as specified and directed.

Supply only Release coil 110V DC (without bracket) as per site requirement of any make VCB complete all as specified and directed.

Supply only Power pack 110Volt / 30 Volt DC with 30 Min backup, as per site requirement of any make VCB complete all as specified and directed.

Supply only Timer as per site requirement of any make VCB complete all as specified and directed.

Supply only Auxiliary contactor 230V AC ,as per site requirement of any make VCB complete all as specified and directed.

Supply only Drive beam bar 230V AC, as per site requirement of any make VCB complete all as specified and directed.

Supply only Master Trip relay as per site requirement of any make VCB complete all as specified and directed.

Supply only jaw contract guardas per site requirement of any make VCB complete all as specified and directed.

Supply remote control switch including control wiring for mannual operation of VCB complete all as specified and directed.

Supply only cuddle contract, as per site requirement of any make VCB complete all as specified and directed.

Supply only push botton with NO/ NC switch complete all as specified and directed.

Supply only dust/ top cover set of housing complete all as specified and directed. Note for item No. 22.00 to 39.00:- Spare parts of VCB shall be as per existing make and capacity as per site requirement.

M/S SARDAR MAL NAHATA

CONSTRUCTION SHELTER

M/S S K BOSE AND CO

M/S P K AGARWALA

M/S. KUMAR CONSTRUCTION CO.

M/S BIJAY KUMAR SHIVA