WORk

Amount

Details of Work

Retrofitting of new Draw out SAS based Numerical Over-Current Earth Fault Protection Relay of approved specification 6DI, 8DO, type standard IEC-60255, Protocol IEC-61850, communication Ethernet port-2 via Rs. 485 & USB Port. & IP-54, (LAN-1 & LAN-2), IN-1Amp., 50,60 Hz, IL-1Amp., UH-110-250Volt AC/DC. Vender make like M/S GE/ABB/Simens/Ashida/Schneider. Opening of terminations of control cables on existing electromechanical relay with new numerical oc/ef protection relay. Removal of protection relay & housing of electromecanical relay from panel cabinet in relay panel and Preparation of panel front by cutting & adding new backlight sheet for placement of housing of new relay by proper connecting on panel front & covering with beading in relay panel of following 33 KV feeders at 132KV S/S SARILA and 132KV S/S PATARA, HAMIRPUR control panels, including Prepration of interconnection drawing and Testing & Commissioning work and all T&P and labour etc. (i) 33 KV Amoond Feeder @ 132KV S/S SARILA (ii) 33 KV TBC Bay @ 132KV S/S SARILA (iii) 33 KV Spare Bay (To be alloted for Distribution feeder) @ 132KV S/S SARILA (iv) 33 KV Azure Solar bay @ 132KV S/S PATARA, HAMIRPUR (v) 33 KV Spare Bay (To be alloted for Distribution feeder) @ 132KV S/S PATARA, HAMIRPUR

Retrofitting of new Draw out SAS based Numerical Backup Protection Relay of approved specification 6DI, 8DO, type standard IEC-60255, Protocol IEC-61850, communication Ethernet port-2 via Rs. 485 & USB Port. & IP-54, (LAN-1 & LAN-2), IN-1Amp., 50,60 Hz, IL-1Amp., UH-110-250Volt AC/DC. Vender make like M/S GE/ABB/Simens/Ashida/Schneider. Opening of terminations of control cables on existing electromechanical relay with new numerical oc/ef protection relay. Removal of protection relay & housing of electromecanical relay from panel cabinet in relay panel and Preparation of panel front by cutting & adding new backlight sheet for placement of housing of new relay by proper connecting on panel front & covering with beading in relay panel of 20 mva t/f hv backup ,40 mva t/f hv back up 40 mva t/f lv back up and 132 kv jahanabad control relay panel panel l including Prepration of interconnection drawing and testing & Commissioning work and all T&P and labour etc. (i) 40 MVA T/F (H.V Backup) @ 132KV S/S PATARA, HAMIRPUR (ii) 40 MVA T/F (L.V Backup) @ 132KV S/S PATARA, HAMIRPUR (iii) 20 MVA T/F (H.V Backup) @ 132KV S/S PATARA, HAMIRPUR

Providing and Fixing SAS based Diffrential Relay for 20 MVA T/F a 132KV S/S PATARA, HAMIRPUR at control and relay panel for auxillary supply voltage 110 v dc ,2 winding and suitable for IEC 61850 protocol, including opening of termination of control cables, preparation of panel front by cutting & adding new MS sheet for placement of housing new relay, preparation of interconnection diagram & modification in panel along with testing and commisioning.

Inspection and Rectification of SF6 Gas leakage of 145 kv SF6 gas Circuit Breaker. Work includes opening of R,Y and B phase assembly from upper and lower terminal flangs cleaning of all groves of flangs and porcelain of all oring of the pole and gas pipe fitting by applying anna bond .reassembly of pole then evecuation of pole up to 760 mm hg after testing of vaccum for 12 hours satisfactory result , Refilling of gas SF6 up to required level. SF6 gas and all material will be provided by contractor. (1) 132 KV BHARUA Feeder at 132KV S/S PATARA, HAMIRPUR 2) 132 KV PANWARI Feeder at 132KV S/S SARILA After attending leakage and repairing work of above gas circuit breakers, following tests are to be carried out :- i. Opening & closing time of breaker of each pole. ii. Carrying out Contact Resistance Measurement (CRM test) of each pole. iii. Checking of megger values of breaker poles. iv. Checking triping of breaker at 70% DC voltage. v. Checking the CLOSE/OPEN operation of breaker from REMOTE & LOCAL. vi. Prepare and submit the site ovehauling report of each breaker.

Major Overhauling work of 33 KV VCBs of following feeders at 132KV S/S PATARA, HAMIRPUR by doing following works in each circuit breaker:- a. Cleaning of porcelain of drive insulator and porcelain of vacuum interruptor from inside and outside of each pole. b. Checking & adjustment of snatch gap, travel of drive insulator rod & tie rod of each pole. c. Opening, repairing of mechanism by welding, drilling, machining and filling of material as per requirement and proper fitting of it in breaker cubicle. d. Oiling & Greasing of crank gears by opening of lock clip etc. e. Replacement of worn out parts such as bush, rings, lock pins and latch etc. f. Checking & adjustment of oil daspot of breaker for its damping action. g. After major overhauling and repairing of above VCBs following tests are to be carried out- i. Opening & closing time of breaker of each pole. ii. Carrying out Contact Resistance Measurement (CRM test) of each pole. iii. Checking of megger values of breaker poles. iv. Checking triping of breaker at 70% DC voltage. v. Checking the CLOSE/OPEN operation of breaker from REMOTE & LOCAL. (vi) vi. Prepare and submit the site ovehauling report of each breaker. 1) 33 KV VCB of 40 MVA T/F SHREEM make MFY-2 2) 33 KV VCB of 20 MVA T/F SHREEM make MFY-2016 3) 33 KV VCB of KURARA Feeder SHREEM make MFY-2016 4) 33 KV VCB of BERI Feeder SHREEM make MFY-2016

Rates qouted by the bidders shall be without taxes. Taxes applicable if any to paid extra

SATKAR TRADERS (BID ID -5162167)

Technocrat Electrical (BID ID -5162928)