Military Engineer Services Tender

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Military Engineer Services - MES Tender

Works
Electrical Generators And Transformers
Electrical and Electronics
Eprocure
Opening Date7 Oct 2024
Closing Date29 Oct 2024
Tender Amount₹ 24,24,000 
Notes
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Costs

Summary

Cwe/af Amb/sar-29/2024-25 Special Repair / Replacement Of Control And Relay Panel For 33/11 Kv Power Transformers In Mrs And Feeder Protection Relays At Afs Sarsawa Under Ge (af) Sarsawa

Description

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Documents
SPECIAL REPAIR / REPLACEMENT OF CONTROL AND RELAY PANEL FOR 33/11 KV POWER TRANSFORMERS IN MRS AND FEEDER PROTECTION RELAYS AT AFS SARSAWA UNDER GE (AF) SARSAWA
SPECIAL REPAIR / REPLACEMENT OF CONTROL and RELAY PANEL FOR 33/11 KV POWER TRANSFORMERS IN MRS AND FEEDER PROTECTION RELAYS AT AFS SARSAWA UNDER GE (AF) SARSAWA
SPECIAL REPAIR / REPLACEMENT OF CONTROL and RELAY PANEL FOR 33/11 KV POWER TRANSFORMERS IN MRS AND FEEDER PROTECTION RELAYS AT AFS SARSAWA UNDER GE (AF) SARSAWA
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BOQ Items

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BOQ item No. 2.00 Continued....../- (iii) Line isolator ON/OFF/Earth. (iv) CB Auto trip. (v) CB ON. (vi) CB OFF (vii) CB Spring charge. (viii) Trip circuit healthy. (ix) DC Available LED with Push button. (x) R-Y-B phase LED indication. (e) Semaphore indicator (i) Circuit breaker ON, OFF (ii) Bus-01 isolator ON, OFF (iii) Bus-02 isolator ON, OFF (iv) Line isolator ON, OFF, EARTH (f) Control switches/Push Buttons (i) Trip-Neutral-Close switch for circuit Breaker control - 01 No. (ii) MCB for AC isolation - 01 No. (iii) MCB for DC isolation - 01 No. (iv) Heater switch with thermostat - 01 No.

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BOQ item No. 2.00 Continued....../- (v) 3-pin socket with ON/OFF switch - 01 No. (vi) CFL lamp with ON/OFF switch - 01 No. (g) 12-window Annunciator with hooter and mute, acknowledge, Reset and test Buttons for:- (i) OC Trip Alarm. (ii) EF Trip Alarm. (iii) Line differential Trip alarm. (iv) PT fuse failure Alarm. (v) Trip circuit alarm. (vi) Spare. (h) Test Terminal Block for CT. (j) Suitable terminal arrangement along with light Interface unit, Patch-Cord and associated port for spliced connection with external armoured fibre optic cable shall be provided for achieving pilots-wire connection (Line-differential). Notes for BOQ Item No. 2.00:- (i) All cable termination, lugs, gland are deemed to be included in quoted rate.

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Notes for BOQ item No. 2.00 Continued....../- (ii) Contractor shall submit all type test certificates as per IEC-61850 and GA/Equipment drawings with control wiring diagram of 33 KV control & relay panel to GE for the approval of Accepting officer before approval of sample and confirming firm order of C&R Panel to the manufacturer. (iii) The routine tests of C&R Panel shall be carried out by representative of Accepting Officer at factory premises as and when requested by contractor through GE and all T&P & equipments required for testing shall be arranged by contractor. (iv) Commissioning and testing of C&R Panel after installation shall be done through AEI/EI/SEI as and when requested by contractor to GE. GE shall request the concerned AEI/EI/SEI directly for early testing. (v) Suitable training to be provided to the staff deployed at 33 KV substation in respect of following items:- (a) Relay setting and parameteirzation. (b) Relay configuration with respect to I/P, O/P and functional block for protection. (c) Goose configuration. (d) Configuration and interfacing required for third party. (e) SCADA system integration if applicable. (f) Diagnostic features.

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S&F in replacement of 11 KV feeder protection numerical IDMT relay 3OC + 1EF with high instantaneous high set function complete all as specified & directed. Make:- Model No. CGI 14 N of CG or equivalent of ABB / L&T

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S&F in replacement of control cable to 1 MVA/ 2MVA Transformer and AVR breaker panel installed in 33 KV yard of size 2.5 Sqmm 12 core solid armoured copper cable with necessary fastening element and with saddles complete all as specified & directed.

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Taking down / dismantling old unserviceable GI Earthing complete all as specified & directed

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M&L earthing complete with galvanized steel earth plate electrode 60 cm X 60 cm, 6mm thick buried vertically in ground to depth not less than 2.25 mtr below ground level, with top edge of earth plate not less than 1.5 mtr below ground level, connected to GI earth lead strip 32mm x 6mm upto 7.5 mtr long by means of bolts, nuts, check nuts and washers of galvanized iron and connection to earthing test point & earth dolly including watering pipe GI 20 mm bore medium grade 2.5 mtr long and protection pipe GI medium grade 40mm bore upto 7.5 mtr long, wire mesh, funnel,lugs, salt, charcoal dust, excavation & earthwork in any type of soil and refilling, pit chamber of PCC 1:3:6 type C1 using 20 mm graded mechnically crushed stone aggregates , RCC 1:2:4 type B-1 using 20 mm graded mechnically crushed stone aggregates as in pit cover slab 40mm thick reinforced with 8 mm dia TMT bars @ 15 cm c/c both ways including necessary form work all as shown in Electrical plate No 3 of SSR Part-I, including testing on completion at site complete all as specified & directed. Notes:- (i) On testing if the desired earth resistance less than 05 ohm is not obtained, earthing will be generated at No extra cost, till the desired earth resistance is obtained. (ii) The chamber shall be constructed atleast 1.5 mtr away from the earth electrode.

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Supply, installation, testing & commissioning of DC battery bank with charger having input connection of 230 volt AC and output 30 volt DC comprising of following inculding taking down of old unserviceable battery bank with charger complete all as specified & directed.:- (a) Battery bank of 15 Nos. 2 volt 100 AH with stand capacity with VRLA battery bank conforming to IS 1651-1979, performance as per IS 8702, nominal cell voltage 2 volt plastic resin / ABS / PP container , epoxy coated exhaust fans to remove the gas emissions, suitable rack / stand for continous operation of 30 minute back up. (b) Float cum Boost charger of required rating with regulator including for trickle charging . (c) Control panel with LED indication & Alarm annunciation on the panel for main ON, DC ON, charging position etc.

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For Credit Schedule refer tender documents. The amount of credit schedule shall be deducted from total quoted amount of BOQ to arrive contract sum.

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