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Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi, AVADI-Tamil Nadu

Military Engineer Services-MES has published Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi. Submission Date for this Tender is 24-12-2021. Overhead Line Tenders in AVADI Tamil Nadu. Bidders can get complete Tender details and download the document.




Tender Notice

30146029
Corrigendum : Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi
Open Tender
Indian
Tamil Nadu
AVADI
24-12-2021

Tender Details

Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi Repair And Maintenance Of Ht Electric Supply At Technical Area Cvrde Avadi

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 10-Dec-2021 Amd1 BOQ 17-12-2021
2 17-Dec-2021 Bid Auto Extn Corrigendum Bid Auto Extn Corrigendum 24-12-2021

Key Value

Document Fees
INR 500 /-
EMD
INR 20000.0 /-
Tender Value
INR 9.98 Lakhs /-

BOQ Items

NAME OF WORK :REPAIR AND MAINTENANCE OF HT ELECTRIC SUPPLY AT TECHNICAL AREA CVRDE AVADI
Sl. No. Item Description
1M&L for Servicing HT VCB panel cum breaker 1250/800/630A 13.1KA ratingIndoor type make of SEIMENS/ CROMPTON/SCHINDER after taking proper shut down and disconnecting the cables from panel draw out VCB breakers, earth fault relay, checking alignment of VCB isolating contact, servicing of operating mechanism including tripping and closing system of the breakers, dehydrating, decarburizing of panel, bus bar section & circuit section including incoming/ outgoing cables, provide necessary HT insulation at joints. Removing perished monoplus compound cleaning and re-insulating with HT taps wherever necessary, with and including replacement of worn-out/defective spares like tension springs, torsion springs, nut bolts, washers of suitable size, lingers and de-carbonizing all joints, bus bar, CTs, PTs spout metal parts and making VCB perfect operation in manual and electric mode including all routine and preventive maintenance of breaker under the supervision of authorized dealer /representative and reconnectingthe panel/breaker in its original position and testing all as specified and directed. Note: - (i) The rate quoted inclusive of all minor spares etc. (ii) Spares parts required other than mentioned here-in-after shall be deemed to be included in the quoted rate.
2Supply only shunt trip coil 220/110 or 30Volts DC
3Supply only closing trip coil 220/110 or 30Volts DC
4Supply only bus barinsulator 11KV complete all as specified and directed.
5Supply only contact system for VD4-630A suitable for SEIMENS/CROMPTON/ SCHINDER make HT breaker
6Supply only Aux switch suitable for SEIMENS/CROMPTON/SCHINDER make HT breaker
7Supply only spring drum suitable for SEIMENS/CROMPTON/SCHINDER make 11KV HT breaker
8Supply onlyspring V4207 suitable for SEIMENS/CROMPTON/SCHINDER make 11KV HT breaker
9Supply only Roller chain V4208 suitable for SEIMENS/ CROMPTON/ SCHINDER make 11KV breaker
10Supply only Tension spring suitable for SEIMENS/CROMPTON/SCHINDER make 11KV HT breaker
11S&F in repair digital multifunction meter LED display, for HT breakers
12Supply only motor cut off switch suitable for SEIMENS/CROMPTON /SCHINDER make 11KV HT breaker
13Supply only ‘On Off’ indicator (display) suitable for SEIMENS/CROMPTON /SCHINDER make 11KV HT breaker
14Supply only panel space heater 80W complete all as specified
15M&Lfor Inspecting electronic relay (over current relay and earth fault relay) from the 11 KV VCB and calibrating the relay with the help of secondary injection kit and proper setting of relays and refixing back in existing position testing of proper tripping/ functioning system complete all as specified and directed.
16S&F in fuse element 20A-50A at 2/4pole 11KV structure unit complete all as specified and directed.
17M&L for checking Insulator, lightning arrestor and tightening/replace aluminum jumbler connection complete at 2/4 pole 11KV structure complete all as specified and directed.
18Supply only travelling mechanism insulator 11 KV suitableall as specified and directed. Make : SEIMENS/CROMPTON/SCHINDER.
19Supplyonly panel spout top and bottom 11KV complete all as specified and directed. Make : SEIMENS/CROMPTON/SCHINDER.
20Supply only of Moving Cluster conduct 11KV complete all as specified and directed Make : SEIMENS/CROMPTON/SCHINDER..
21S&F in repair LED Indication lamps suitable for HT breakers complete all as specified and directed.
22Taking out old unserviceable under groundPVC/XLPEHT cable of any size from trenches/ wall/roof/ road/ pipe/ pole including segregation of serviceable bricks for re-use complete all as specified and as directed.
23Excavation in trenches not exc 1.5 Mtr wide and not exc 1.5M depth in soft/loose soil for laying of cable, pipes etc and getting out in soft/loose soil all as specified and directed.
24Returning, filling, including spreading, leveling, watering and well ramming in layers not exc 25cms of soil complete all as specified and directed.
25Removing the surplus excavated material/ soil to a distance not exc 50Meters and depositing, where directed at a level not exceeding 2.5 Meters above the starting point all as specified and directed.
26Supply and spread sand for sand cushioning of cables in trenches all as specified in MES Schedule Part-I and all as directed. Note: Punned thickness only will be measured and paid.
27Supplying and laying un-reinforced precast concrete cable cover, class HVP, type 1 with peak, size 300mm x 180mm x 40mm
28Re-laying only old PCC cover for cable protection cover, laid flat and dry in trenches over the cable, perpendicular to the direction of cable complete allas specified and as directed.
29Relaying/ re-routingofold serviceable under groundPVC/ XLPE LT cable any grade and any size in trenches/ fixed to wall/pole/ roof/laid in floor including necessary connections and thumbing complete all as specified and as directed. Note: Earth work, brick & sand cushioning shall be measured and paid for separately under appropriate item.
30Taking down existing unserviceable battery and S&F new2 volt dry cell battery for DC supply for relay mechanism of VCBcomplete all as specified and directed by Engr-in-charge.
31M & L Disconnecting LT connections of existing Battery charger withcontrol panel30 Volt 25 Amp atsubstationand repaired to authorized dealer necessary repair/ replacement of major and minor defective parts, wiring including installation in the same location and testing, complete, all as specified and directed. Note: - (i) The rate quoted inclusive of allspares etc.
32M & L Taking proper shut down and disconnecting the cables from VCB, draw out faulty VCB breakers from panel1250/800/630A 13.1KA ratingIndoor type make of SEIMENS/ CROMPTON/SCHINDER afterremovingVCB spout and CToverhauling improving of IR value of hot air oven process and alightnment of mechanism including installation in the same location and testing complete all as specified and directed.
33M & L for Taking down unserviceable charging battery from existing power bank and S & Fof new charging battery in power bankafter including connectionandtesting in the same location complete, all as specified and directed. Note: - (i)all parts like screw, wiring cables rate deemed to the quoted rate .
34M & L Taking down old unserviceable identification board and supply and fixing ofnew ACP sheet of 2 mm thick on the existing VCB.The background of board to be provided with blue colour andwhite colours letters. Note: The size of letters and description shall be all as per sample approved by Engr-in-Charge.
35Supplying and toping up new mineral grade transformer oil EHV type confirming to IS-335 to 1983 for filling and for topping up in transformer/Voltage stabilizer duly filtered with filer plant to obtain high dielectric not less 60KV (Gap 2.5mm) complete all as specified and directed by Engineer In charge.
36M& L for Purification, filtration and Dehydration of transformer oil of transformer installed at various indoor/outdoor sub station by ultra high vacuum filtration machine with stream line filtration plant at a temp 60 to 70 deg. Celsius and achieving minimum dielectric withstand strength of 60 KV for 1 minute in 2.5 mm gap setting (for used oil) complete all as specified and directed by Engineer-in-Charge. Note:(i)Contractor shall ensure no wastage oftransformer oil. (ii) Oil required for topping up the transformer will be measured & paid separately.(iii) Contractor shall be ensure that the conservator tanks are full to its level before starting the dehydration
37M&L (in repair) cable jointing kit for 11 KV cable forindoor end termination cold shrink with jointing material and accessories suitable for 3 core XLPE armored aluminum conductor cable of size 120 Sqmm to 185 Sqmm, indoor type all as directed.
38M&L (in repair) cable jointing kit for 11 KV cable forindoor end termination Heat shrinkable with jointing material and accessories suitable for 3 core XLPE armored aluminum conductor cable of size 120 Sqmm to 185 Sqmm, indoor type all as directed.,
39M&L (in repair) cable jointing kit for 11 KV cable forout door end termination Heat shrinkable with jointing material and accessories suitable for 3 core XLPE armored aluminum conductor cable of size 120 Sqmm to 185 Sqmm, indoor type all as directed.,
40M&L (in repair) cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint with jointing material and accessories suitable for 3 core XLPE, armored aluminum conductor of size 120sqmm to 185 Sqmm cable complete all as specified and directed.
41S&F in replacement of female contact or fixed contact heavy duty and high conductive metal complete capacity 200A/400 amp, 11 KV of air break gang operated
42S&F in replacement ofmale contact or moving contact heavy duty and high conductive metal complete capacity 200A/400 Amp, 11 KV of air break gang operated switch.
43S&F in replacement of Pin insulator HT 11 KV. Make: Jaipuria or equivalent
44Material and Labour for preparing surfaces of transformer of capacity up to 500 KVA by rubbing old paint and applying two coats of spray painting with grey deco paintfrom outside, complete all as specified and as directed. Note: Painting of transformer will be carried out for plinth mounted and pole mounted transformer.Necessary tools and plants shall be arranged by the contractor.Shut down schedule for painting of transformer will be submitted in advance to plan shut down in the station.
45Material and Labour for preparing surfaces of transformer of capacity up to 200 KVA by rubbing old paint and applying two coats of spray painting with grey deco paintfrom outside, complete all as specified and as directed. Note: Painting of transformer will be carried out for plinth mounted and pole mounted transformer.Necessary tools and plants shall be arranged by the contractor. Shut down schedule for painting of transformer will be submitted in advance to plan shut down in the station.
46Supply andlaying HT XLPE insulated, screenedPVC bedded, galvanized steel strip or wire armored, electric power cable ( heavy duty ) with aluminum conductor 11000 volt grade, cross sectional area 150 Sqmm, 3 core (earthed) conforming to IS-7098 (Part-I) laid in trenches / under floor / roads / along poles / ducts etc. all as specified and directed
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