Military Engineer Services-MES has published Repair And Maintenance Of Ht Distribution Network And Allied Works At Site A Site E And Nchc Amdalli Township Under Ge Sb Karwar. Submission Date for this Tender is 29-04-2021. Overhead Line Tenders in CWE NAVY VASCO Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 07-Apr-2021 | DATECORRI | Date | 22-04-2021 |
| 2 | 15-Apr-2021 | OTHERCORRI | Other | 22-04-2021 |
| 3 | 22-Apr-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 29-04-2021 |
| NAME OF WORK :- REPAIR AND MAINTENANCE OF HT DISTRIBUTION NETWORK AND ALLIED WORKS AT SITE 'A', SITE 'E' AND NCHC AMDALLI TOWNSHIP UNDER GE (SB) KARWAR | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth for laying/taking out cable and getting out in soft/loose soil all as specified and as directed. | 160 | Cum | |
| 2 | 2 | Returning, filling in including spreading, levelling, watering and well ramming in layer not exceeding 25 cm in soft/loose soil all as specified and as directed. | 122 | Cum | |
| 3 | 3 | Removing excavated soil not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point all as specified and as directed. | 38 | Cum | |
| 4 | 4 | Taking down carefully old unserviceable UG cable (LT/HT) of any size from the trenches/wall/pole and keeping aside for reuse and remove the unserviceable cable from site after affording credit depending on its serviceability state including removal of brick/PCC cable cover complete all as specified and as directed.\nNote : Excavation and earthwork shall be measured and paid for Separately | 520 | RM | |
| 5 | 5 | Supplying & laying including testing of XLPE insulated, armoured, heavy duty, HT UG electric cable in trenches/wall/cable tray/saddling/GI pipe or specified as per site requirement with stranded aluminum conductor 11 KV grade of following sizes:- \nNote :- Excavation & earth work, sand cushioning and PCC cover for cable protection shall be measured & paid for separately. | |||
| 6 | 5.1 | (a) 3 core 95 Sqmm | 20 | RM | |
| 7 | 5.2 | (b) 3 core 120 Sqmm | 100 | RM | |
| 8 | 5.3 | (c) 3 core 185 Sqmm | 100 | RM | |
| 9 | 5.4 | (d) 3 core 240 Sqmm | 100 | RM | |
| 10 | 6 | Laying only including testing of serviceable, HT UG cable of following sizes obtained from item No 4 here in before all as specified and as directed.\nNotes:-\n1. Serviceable cable obtained from Sl item No 4 above shall be reused.\n2. Excavation and earth work, sand cushioning, PCC cover for cable protection shall be measured and paid for separately.\n | |||
| 11 | 6.1 | (a) 3 core 95 Sqmm | 50 | RM | |
| 12 | 6.2 | (b) 3 core 120 Sqmm | 50 | RM | |
| 13 | 6.3 | (c) 3 core 185 Sqmm | 50 | RM | |
| 14 | 6.4 | (d) 3 core 240 Sqmm | 50 | RM | |
| 15 | 7 | Supply and lay un-reinforced pre-cast concrete cable cover, class HV, type 1, flat, size 300mm x 180mm x 40mm complete all as specified and as directed. | 900 | Each | |
| 16 | 8 | Laying only un-reinforced pre-cast concrete cable cover, class HV, type 1, flat, size 300mm x 180mm x 40mm complete all as specified and as directed. | 700 | Each | |
| 17 | 9 | Supply and spread dry river sand in trenches for cable cushioning all as specified and as directed.\nNote:- Punned thickness of sand only shall be measured & paid. | 35 | Cum | |
| 18 | 10 | Supply & Laying in repair GI tubing light grade with necessary fittings as in cable protection in trenches/fixed on wall / floor including necessary clamps bolts and nuts complete all as specified and as directed of size 80mm dia | 6 | RM | |
| 19 | 11 | Supply, jointing & testing Indoor end termination type heat shrinkable 33 KV HT joint kit suitable for 3 core 185 Sqmm PVC / XLPE insulated stranded aluminium conductor all as specified and as directed. | 2 | Each Job | |
| 20 | 12 | Supply, jointing & testing Indoor end termination type heat shrinkable 11 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 core 120 Sqmm to 185 Sqmm all as specified and as directed. | 3 | Each Job | |
| 21 | 13 | Supply, jointing & testing Indoor end termination type heat shrinkable 11 KV HT joint kit suitable for PVC / XLPE insulated stranded aluminium conductor of size 3 core 240 sqmm to 300 Sqmm all as specified and as directed. | 4 | Each Job | |
| 22 | 14 | Supply, jointing & testing straight through type heat shrinkable 11 KV HT joint kit suitable for 3 core 120 Sqmm to 185 Sqmm PVC / XLPE insulated stranded aluminium conductor all as specified and as directed. | 8 | Each Job | |
| 23 | 15 | Supply, jointing & testing straight through type heat shrinkable 11 KV HT joint kit suitable for 3 core 240 Sqmm to 400 Sqmm PVC / XLPE insulated stranded aluminium conductor all as specified and as directed. | 8 | Each Job | |
| 24 | 16 | S&F Danger notice plate of 1.6 mm thick mild steel sheet vitreous enamelled white, with letters, figures & conventional skull & bones in signal red colour and fixed with MS clamps, bolts and nuts of approved size,for HT 25x20 cm size all as specified and as directed. | 2 | Each | |
| 25 | 17 | Testing of HT UG cable by checking the insulation resistance using 5000v / 10000v fault insulation locator tester, identify any number of cable fault in a single stretch (from source to load) having minimum length of 1500 RM and pin point the fault location complete all as specified and as directed.\nNote: In single stretch having minimum length 1500 RM whatsoever Nos of fault shall be paid as each job | 8 | Each Job | |
| 26 | 18 | Testing of HT UG cable by checking the insulation resistance using 5000v / 10000v fault insulation locator tester, identify any number of cable fault in a single stretch (from source to load) having length more than 1500 RM and pin point the fault location complete all as specified and as directed.\nNote : In single stretch having length more than 1500 RM whatsoever Nos of fault shall be paid as each job | 8 | Each Job | |
| 27 | 19 | Supply & fix in repairs Phase indication lamp LED type of colour complete all as specified and as directed. | 10 | Each | |
| 28 | 20 | M&L for testing of resistance of earthpits of transformer,panels etc after testing the report shall be furnished in standard format approved by Engineer-in Charge all as specified and as directed. | 50 | Each | |
| 29 | 21 | Disconnecting HT supply and taking out defective trolley of 33 KV VCB 400/630/800 Amps of any make and type, servicing of trolley of VCB by cleaning isolating contacts moving parts removing dust particles from bus bar chamber spout gear mechanism and moving parts, repairs to motor change spring mechanism tightening of nut and bolts of entire trolley components all as directed inserting in trolley testing commissioning and putting on the supply on load complete all as specified and as directed. | 10 | Each Job | |
| 30 | 22 | All as per item No. 21 here in before, but for 11 KV VCB | 19 | Each Job | |
| 31 | 23 | Taking out ACB of Siemens make, of capacity 800A to 3200A Amps, 3pole , 415 volts,125 KA indoor type from its sub cubicle and carrying out routine maintenance as per manufacturer maintenance manual, examine the moving isolating contacts for any discolouration, cluster contacts, remove the arc chutes, check the SMC moulding are intacts, examine the moving contacts main contacts silver tips, spring mechanism, clean all contacts with a suitable solvent and contacts regreased with HP multipurpose grease, all contacts setting checked, readjusted if required, and regreased with HP multipurpose grease, all tripping device like manual trip, under voltage, shunt trip release, over current and earth fault tripping device to be tested, readjusted and confirm all tripping device is in healthy condition, check and record IR value of ACB, with 1.1. KV LT megger calibrating ground fault / short ckt, overload relays for tripping & timing complete and rendering test report all as specified and as directed. | 10 | Each Job | |
| 32 | 23.1 | NOTES for item Nos 21 ,22 & 23 : \n(i) The scope of work includes following :- \n(a) Inspection & cleaning the mechanism house\n(b) Operation of door interlock, interlocking plate & shutter operation inside of panel.\n(c) Check the Mechanical ON-OFF function, electrical & mechanical operation and damage part of VCB/ACB.\n(d) Re-greasing and oiling of breaker mechanism, adjustment of various mechanism setting as required, checking contact tightness, contact erosion pins, manually vaccum check of VCB/ACB.\n(e) Racking-Rack out operation in Test & service position of VCB/ACB trolley.\n(f) Megger test (IR value - 1KV / 2.5KV) E-RYB, RY-YB, BR-R'R, Y'Y, B'B.\n(g) CRM Test (contact resistance) of Vacuum Interrupter R, Y, B in on condition outside of panel.\n(h) Time test of contract pole by Test kit (in mile second).\n(j) Function of closing coil, Trip coil, spring charging motor, auxiliary contact, limit switches etc.\n(k) Checking & lubrication of various interlocks.\n(l) Submission of test report in standard format of vacuum circuit breaker. | |||
| 33 | 23.2 | (ii) Tools and plants and testing instruments required for servicing of VCB/ACB shall be arranged by the contractor.\n(iii) The unit rate quoted shall be deemed to include the cost of grease, lubricating material, cleaning material etc as required.\n(iv) After servicing, report shall be furnished in standard format approved by Engineer-in-Charge.\n | |||
| 34 | 24 | S& F in repairs ACB of capacity 2000 Amps, 4pole , 415 volts,125 KA indoor manual draw out type with microprocessor release from as per manufacturer standards, all contacts setting checked, readjusted if required, and greased with HP multipurpose grease, all tripping device like manual trip, under voltage, shunt trip release, over current and earth fault tripping device to be tested, adjusted and confirm all tripping device is in healthy condition, check and record IR value of ACB, with 1.1. KV LT megger calibrating ground fault / short ckt, overload relays for tripping & timing complete and rendering test report all as specified and as directed. | 2 | Each | |
| 35 | 25 | M & L for synthetic insulating HT mat of size 2 m x 1 m x 19 mm complete all as specified and as directed. | 5 | Each | |
| 36 | 26 | M & L for calibration of relays for primary current/voltage injection test complete for 33 KV/11KV VCB panels and ACB panels/ DG panels complete all as specified and as directed. | 16 | Each | |
| 37 | 27 | S&F in repair of current transformer 33 KV indoor type of ratio 100/1-1 single phase, 50hz, current ratio 800-400, including removing of old unserviceable CT complete all as specified and as directed. | 6 | Each | |
| 38 | 28 | S&F in repair of potential transformer indoor type, primary voltage 33KV, secondary voltage 11 KV single phase, 50hz, current ratio 800-400, including removing of old unserviceable PT complete all as directed and specified. | 6 | Each | |
| 39 | 29 | S&F in repair of 11/33 KV bus bar supporting spout / Air break switch insulators single pole for indoor use 400 to 800 Amp suitable for existing panel all as specified and as directed. | 10 | Each | |
| 40 | 30 | S&F in repair of fuse indoor type, 33 KV, type PTAVT, Amps 3.15, 50hz, current ratio 800-400, including removing of old unserviceable fuse complete all as directed and specified. | 10 | Each |
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