SPECIAL REPAIR/ REPLACEMENT OF OLD HT SWITCHGEARS WITH CONNECTED WORKS AT 512 ARMY BASE WKSP UNDER GE CENTRAL KHADKI

Amount

M&L for disconnecting HT incoming and outgoing connection of existing MOCB, dismantling and taking out breaker complete with all accessories, cleaning complete enclosure inner and outer side of MOCB and shifting to store yard of AGE E/M-II for safe coustody complete all as specified and as directed by Engr-in-Charge at site.

Supply, Installation, commissioning and testing of Vaccume Circuit Breaker (VCB) rated for 33/22 KV, 1250 Amps, 26.3KA for 3 Sec in the existing enclosure of MOCB, all as per following Specification:-

Supply, installation, commissioning and testing of complete Retrofit circuit breaker (VCB) rated for 33/22 KV, 1250Amps, 26.3 KA for 3 Sec type VD4 all as per specification given below and all as directed at site by Engr-in-Charge :- (a) Aluzind module enclosure suitable for 33/22KV, 1250 Amps (b) Misc hardware with jumpers suitable for 1250 Amps (c) 33/22 KV Potential Transformer with suitable fuse (d) Rear extension for PT & PT mounting accessories (e) Surge arrestors with its mounting accessories

Supply, installation, commissioning and testing of complete Numerical Relay panel along with door and wiring plate and complete wiring accessries all as specified below and as directed by Engr-in-Charge at site:- (a) Protection and Aux relays & LV Box components complete (b) REF 615, feeder protection and control relay, protections 50,51,50N,46,49,95 or stand alone for 64 R (c) Tripping Relay- (86) PQ8 (d) Triping circuit supervision relay-TCS (e) Metering :- Digital Ammeter with ASS & Voltmeter with VSS (f) Door with suitable cutouts and hinges (g) Pre-wired plate (h) LED indication lamp (j) Push buttons (k) TTB (l) 12 window annunciator with hooter (m) complete hardwear and wiring plate accessories - LR&TNC switches

M&L Connecting incoming and outgoing HT connection, commissioning and testing of new VCB switchgear with full load as per following specification and all as directed by Engr-in-Charge at site:- A. RELAY, DOOR AND WIRING PLATE:- (a) Remval of existing control wiring of relays, meters, aux relays, swithces and lamps. (b) Removal of metering door including removal of existing relays, meters, switches lamps from the metering door. (c) Disconnecting all the control wiring in the LV metering box (d) Unmounting of all the metering components, TB's, wirings, inner wiring plate from metering box (e) Mounting of new pre-fabricated & pre-wiring inner wiring plate in the existing metering box (f) Mounting of new metering door which shall have suitable cut out for new relay & components. (g) Mounting of new numerical relay & other components like meters, switches, lamps, push buttons on the new metering door. (h) Making new wiring complete as per existing logic. (j) Implementing relay settings in the new relays as per the settings as per existing scheme and as per existing direction of Engr-in-Charge. (k) Testing complete switchgear on full load in presence of Engr-in-Charge for his entire satisefaction.

B. CIRCUIT BREAKER RETROFIT WITH MODULE SOLUTION:- (I) Removal of existing old HPA circuit breaker. (m) Removal of complete shutter assembly, rack in/out mechanism. (n) Installation of new VCB along with Universal Module with proper alignment (o) Making jumper connections at the rear side to the main busbars (p) Testing of newly installed breaker with full load for entire satisefacion of Engr-in-Charge at site.

NOTE :- (a) Contractor should visit site before quoting the rate for understanding the scope of work. (b) Rates including for all tools and equipments for execution of the entire job and for all safety equipments (c) Any damage to the Govt property during execution of the job will be responsibility of contractor and make good without any extra cost. (d) Contractor should inform in advance regarding want of shutdown to avoid any effect on functioning of workshop. (e) Contractor should arrange conveyance of service Engineer of OEM for installation and testing purpose at no any extra cost.

M&L in repairs Heat shrinkable Indoor type end termination cable jointing kit suitable for earthed 3 core 120/185 sqmm HT 22KV XLPE aluminium conductor cable incld. disconnecting concerned cable, cutting out burnt/damaged jointing kit, jointing new kit inld. testing and commissioning of the complete cable to the complete satisfaction of Engr-in-Charge all as specified and directed. NOTE- The quoted rate is deemed to be inclusive of cost of saddling or clamping of cable all as directed by Engr-in-Charge.

Supply, laying in replacement, in trenches /ducts/fixing on pole/wall with suitable size of fixing material, XLPE insulated, screened, earthed, PVC bedded, galvanised steel strip, electric power cable (heavy duty) of size 3 x 120 sqmm with aluminium conductor suitable for 22 KV (E) grade as per relevent IS including latest amendment for IS testing, complete all as specified and directed

MANGAL ELECTRICAL STORES

MAYUR ELECTRIC SERVICES