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| 1 | Taking out HT XLPE/PVC insulated armoured cable, including all joints of any size, from trenches, walls, or roofs, complete with removal of brick protection, sand cushioning from trenches, and making the area clear, all complete as directed by Engineer-in-Charge |
| 2 | Excavation in trenches not exc. 1.5 m wide and not exc 1.5 mtr deep in soft/loose soil or any type soil for laying / taking up/ taking down of cables and getting out and levelling of bottom suface to required level all as specified and directed by Engineer- in- Charge. |
| 3 | M&L for Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm in hard/dense soil. complete all as specified and directed by EIC. |
| 4 | Removing excavated material/soil to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.50m above the starting point complete all as specified and directed by EIC. |
| 5 | Material and labour for sand cushioning with dry river sand or crush sand in trenches for cushioning of underground cable line including spreading, leveling, well ramming complete all as specified and directed.Note : Punned thickness only shall be measured and paid. |
| 6 | Material and Labour for PCC 1:3:6 type D-2 using 20mm graded stone aggregate as in foundation of pole upto ground level complete all as directed by Engr-in-Chrage. |
| 7 | Supply and lay un-reinforced precast concrete cable cover, class HV, type 1, flat of size 300 X 180 X 40mm for HT cable and laid dry in trenches over underground cables complete all as specified and directed. |
| 8 | Relaying only old un-reinforced precast concrete cable cover, class HV, type 1, flat size 300mmx 180mm x 40mm obtained from excavation complete all as specified directed by EIC. |
| 9 | Supplying, laying, jointing testing and connecting in replacement of old vintage XLPE insulated, screened, PVC bedded, Galvanized steel strip or wire armoured, electric power cable (heavy duty) with multistranded aluminum conductors, 11 KV grade, IS 7098 marked, suitable for HT 11 KV(E) system, laid in trenches fixed to pole/Transformer/VCB etc, including jointing & testing complete all as specified and directed of following sizesNote :- Excavation, earth work ,cable protection , sand fillings , cable joint shall be measured and paid separately.(a) Cross sectional area 95 Sqmm, 3 core. |
| 10 | (b) Ditto all as per item No 09 above but cross sectional area 120 Sqmm, 3 core. |
| 11 | Material and labour for factory repair/overhauling of distribution transformer of capacity 75 kVA to 315 kVA (11 kV/433 V), comprising: Opening of top cover by unscrewing nuts, bolts, washers, etc., and withdrawing core-coil assembly from tank after disconnecting tap changer, HT & LT side bushings, and associated connections including dismantling of channels and disconnection of star-delta connections. Complete dismantling and inspection of core-coil assembly, including removal of all three limbs (HV & LV windings) from core. Cleaning of core and components by hot oil circulation to remove carbon deposits and copper particles, including cleaning of top yoke. Reassembly of core and core-coil assembly, including provision of new coils and tap changer leads, with required insulation materials. Re-fitting and tightening of top cover, fixing of HT & LT bushings, and reconnection of all associated systems including tap changer, WTI, OTI, and CT connections. Filling of transformer oil, making the conservator tank ready, and carrying out final testing, complete in all respects in presence of MES representative and as directed by Engineer-in-Charge. Note: Cost of coils, insulation materials, and topping up of new oil shall be measured and paid separately. |
| 12 | Material and labour for rewinding of HV coil of transformer using copper wire with double paper covering (DPC) of same gauge and size, including removal of damaged winding, proper insulation, winding, baking (if required), and re-assembling of newly wound coil on core in position, complete in all respects as specified and directed by Engineer-in-Charge. |
| 13 | Material and labour for re-insulation of secondary (LV) winding coil of transformer, including replacement of insulation with new double paper covering (DPC) insulating material, proper dressing and insulation of winding, and fixing the coil in its original position, complete in all respects as specified and directed by Engineer-in-Charge . |
| 14 | Supply and fixing in replacement of HT porcelain bushing with brass rod of superior quality, complete with 8 Nos. nuts and 8 Nos. washers, including necessary rubber ‘O’ rings, oil seals, and gaskets, suitable for transformers of capacity 100 kVA to 315 kVA, matching the existing specifications, complete in all respects as specified and directed by Engineer-in-Charge . |
| 15 | Repair/Replacement of LT (LV) side terminal studs, made of brass of suitable size (12/16/20 mm dia), complete as a set of three, including bolts, nuts, washers, and insulating materials/insulators, complete in all respects as specified and directed by Engineer-in-Charge . |
| 16 | Repair/Replacement of HT (HV) side terminal studs, made of brass of suitable size (12/16/20 mm dia), complete as a set of three, including bolts, nuts, washers, and insulating materials/insulators, complete in all respects as specified and directed by Engineer-in-Charge . |
| 17 | Supply and fixing in replacement of transformer breather assembly, complete with vent pipe and new silica gel, suitable for indoor/outdoor transformers of capacity 75 kVA to 315 kVA, complete in all respects as specified and directed by Engineer-in-Charge . |
| 18 | Supply and filling/replacement of silica gel in transformer breather, complete in all respects, including removal of old silica gel and refilling with new silica gel, as specified and directed by Engineer-in-Charge . |
| 19 | Material and labour for complete servicing, testing, calibration and commissioning of 11 kV HT Vacuum Circuit Breaker (VCB) panel of capacity up to 630 Amps including breaker mechanism, control panel, CT, PT, numerical protection relay, associated control wiring and all functional checks, complete as specified and directed by EIC as details mentioned under:- (A) Mechanical Servicing of VCB 1. Cleaning of circuit breaker assembly to remove dust and dirt including vacuum interrupter envelope and insulating parts.2. Adjustment and servicing of operating mechanism including lubrication of rotary sections, sliding surfaces, pins, couplings, operating shaft and bearings. 3. Checking of spring charging mechanism including spring tension and mechanical linkages.4. Checking cluster contacts, jaw contacts and arcing contacts and adjustment if required. 5. Checking for rust, wear, deformation and mechanical damage. 6. Checking and tightening of loose bolts, nuts, spring washers and split pins.7. Checking dashpot / shock absorbers and replacing if required. 8. Checking carbon brushes of spring charging motor and replacing if required. 9. Checking operation of closing coil and tripping coil. 10. Checking mechanical and electrical interlocking system. (B) HT Panel Servicing 1. Cleaning of HT panel compartments including breaker chamber, cable chamber and busbar chamber. 2. Checking and tightening of power cable and control wiring connections. 3. Checking condition of busbars, support insulators and epoxy insulation. 4. Checking auxiliary switches, indication lamps and control switches. 5. Checking anti-condensation heaters and thermostat operation. 6. Checking panel door locks, gaskets and earthing connections. (C) Electrical Tests of Breaker 1. Insulation resistance test with megger in open and closed condition. 2. Contact resistance measurement of all three poles using micro-ohmmeter. 3. Closing and opening timing test of breaker for all three poles using breaker analyzer.4. Measurement of closing coil resistance. 5. Measurement of tripping coil resistance. 6. Primary injection test of CT / PT. (D) Protection Relay Calibration and Testing 1. Testing, calibration and programming of numerical Over Current / Earth Fault protection relay using secondary injection test kit. 2. Verification of relay pickup current and time characteristics. 3. Verification of instantaneous trip setting. 4. Functional trip test with breaker operation. 5. Testing of auxiliary relays including: 6. DC supply supervision relay7. Master trip relay. (E) Special Tests 1. Dynamic Contact Resistance Measurement (DCRM) test for all poles of VCB. 2. Trip circuit supervision test including checking of trip coil continuity and DC supply. 3. Secondary injection test for protection relay. 4. Functional checking of alarm, trip and indication circuits.(F) Functional Checks 1. Checking breaker ON/OFF operation locally and from control panel. 2. Checking electrical and mechanical interlocks.3. Verification of CT polarity and connections. 4. Checking annunciation and indication circuits. 5. Checking control wiring and terminal tightness.(G) Documentation 1. Submission of complete servicing, testing and relay calibration report in soft and hard copy.2. Recording of relay settings, breaker timing results and insulation resistance values.Note 1. Spare parts such as vacuum interrupter, auxiliary switches, motor gear assembly, coils, heaters, contacts etc. shall be measured and paid separately under respective BOQ items. 2. All works shall be carried out with approved testing instruments and necessary safety precautions. |
| 20 | Testing of 11 kV HT cables using high-voltage DC testing equipment, and locating faults using cable fault locating equipment to pinpoint the exact location of fault, including disconnecting faulty cables of various sizes from both ends, removal of fault, re-connection, and testing of cables after rectification, complete in all respects as specified and directed by Engineer-in-Charge .Note: (a) 11 KV HT cable & joints shall be measured and paid for separately under respective items of schedule. (b) Retrieved old serviceable cable cover/bricks will be laid in trenches for cable protection. If extra PCC cover/bricks and sand required at site shall be measured and paid separately under respective items of BOQs.(c) Excavation and earth work will be measured and paid for seperately under respective items of schedule. (d) Penalty will be charged after 02 hrs of reporting about the fault by JE/AGE/GE to the contractor @ Rs 2000/hr. or if unable to attend the fault and same shall get repaired by the department from any other contractor or labour and charge incurred against it will be paid by the contractor. |
| 21 | Supply and fix in repairs out door type cable end termination joint heat shrinkable type for HT XLPE 11000 volt grade cable of size 3 core and connecting the cable with the load and testing complete all as specified and as directed for the following size of the cable.Note : Excavation shall be measured and paid separatly under relevant item of this BOQ (a) For cable 95 sq mm 3 core |
| 22 | (b) Ditto all as per item No 20 above but for cable 120 sq mm 3 core |
| 23 | Supply and fix in repairs indoor type cable end termination joint heat shrinkable type for HT XLPE 11000 volt grade cable of size 3 core and connecting the cable with the load and testing complete all as specified and as directed for the following size of the cable.Note : Excavation shall be measured and paid separatly under relevant item of this BOQ(a) For cable 95 sq mm 3 core |
| 24 | (b) Ditto all as per item No 21 above but for cable 120 sq mm 3 core |
| 25 | Supply & Fixing in repair cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrink type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor complete all as specified and as directed for the following cable of size .Note : Excavation shall be measured and paid separatelyunder relevant item of this BOQ (a) For cable 95 sq mm 3 core |
| 26 | (b) Ditto all as per item No 22 above but for cable 120 sq mm 3 core |
| 27 | Supply and fixing in repairs cross arms, bracings, supports, clamps and back plates fabricated from structural steel sections including nuts, bolts, washers, welding, bending cold or hot, drilling holes for bolts, in any shape or size as indicated or directed and inclusive of one primer coat, one under coat and one finishing coat of paint all as specified and directed by EIC. |
| 28 | Trimming and cutting of tree branches(not more than 50 mm girth) coming across 11 KV HT over head line clearing the line around 2m single/both sides and and disposal of branches from site exeeding 50m and not exceeding 250m from site complete all as directed by Engr-in-Charge.Note : -(i) Length of span is approx 50 to 70 RM.(ii) Due care is to be given while trimming/cutting the tree branches that there should no damage to over head line conductor/pole. In case due to any negligence, damage is caused to be make good/renewal by the contractor from his own resources and nothing extra is admissible.(iii) All Safety to labourer must be adhered by the contractor during trimming and cutting of tree branches. |
| 29 | Material and Labour in repairs/replacement ACSR conductor including cut to required length and connecting the same to the HT/LT poles complete including taking down old unsv ACSR conductor. Note: Insulator will be measured and paid separately. |
| 30 | Material and labour for preparation of old painted surfaces of steel tubular poles of 9/11 metre height, including cross arms and protection pipes, by proper cleaning, scraping, and surface preparation, and applying one coat of aluminium paint from ground level to top of pole, including painting of cross arms and protection pipes, and writing pole numbers in white letters on black background, complete in all respects as specified and directed by Engineer-in-Charge. |
| 31 | Material and labour for surface preparation and painting of transformers/panels (indoor/outdoor type), including cleaning, scraping, and preparing surfaces, and applying two coats of synthetic enamel paint of approved colour by spray method, including patch work on transformer tank body, welding for sealing of cracks and leakages, complete in all respects as specified and directed by Engineer-in-Charge . |
| 32 | Taking down existing unserviceable ammeter and supplying and fixing new digital ammeter with in-built selector switch, suitable for mounting on HT/LT panel, compatible with appropriate CT ratio, complete in all respects as specified and directed by Engineer-in-Charge . |
| 33 | Taking down existing unserviceable voltmeter and supplying and fixing new digital voltmeter with in-built selector switch, 3-phase, 0–600 volts range, suitable for mounting on HT/LT panel, complete in all respects as specified and directed by Engineer-in-Charge . |
| 34 | Taking down existing cracked/unserviceable pin type insulator and supplying and fixing new polymer pin type insulator, complete with one galvanized mild steel (GMS) spindle, two galvanized washers, and one galvanized iron (GI) nut, suitable for 11 kV grade (150 mm dia), complete in all respects as specified and directed by Engineer-in-Charge . |
| 35 | Taking down existing cracked/unserviceable disc type insulator and supplying and fixing new polymer disc type insulator, complete with single disc assembly for tension application, including tension clamps suitable for ACSR conductor, for 11 kV grade, complete in all respects as specified and directed by Engineer-in-Charge. |
| 36 | Material and labour for horizontal drilling/boring (mechanical method) through paths, roads, and culverts for laying of cables, complete in all respects as specified and directed by Engineer-in-Charge . |
| 37 | Material and Labour for replacement of unserviceable burnt out jumpers conductors on HT overhead line 2 pole/4pole/6 pole showing RYB Phases with proper insulation and suitable sizes aluminum connector/clamps complete all as specified and directed by EIC. |
| 38 | Material and Labour in replacement danger notice plate of 1.6mm thick MS Sheet, vitreous enameled white letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps of size 20 mm x 4 mm x 80 mm bolts and nuts of approved size of LT 20 X 15 cm fixed on New/existing panel board/feeder pillar boxes incisive taking out deteriorated plates, complete all as specified and directed by EIC |
| 39 | Material and Labour in replacement danger notice plate of 1.6mm thick MS Sheet, vitreous enameled white letters, figures and conventional skull and bones in signal red colour and fixed with MS clamps of size 20 mm x 4 mm x 80 mm bolts and nuts of approved size of HT 25 X 20 cm fixed on New/existing panel board/feeder pillar boxes incisive taking out deteriorated plates. |
| 40 | Servicing and maintenance of Gang Operated Switch, Drop out fuse assembly triple pole, by applying white petroleum jelly, greasing the operating mechanism, drop out fuse assembly (Set of three); repairing/replacing worn out male contact(moving blade contact) , Female contact(Fixed jaw contact), post insulators (Each set), copper jumper, MS jumper carrier, arcing horn, operating pipe of GI 25 mm dia 'B' class, pipe guide, locking arangement, operating lever, fixing of appropriate HT fuse element, nut bolts, etc and making the GOD functional complete all as specified and as directed by EIC. |
| 41 | Supply, fixing, testing and commissioning in replacement of unserviceable HRC fuse links suitable for protection of Potential Transformers (PTs) in 11 kV HT switchgear/VCB panels, including removal of old fuse links, installation of new fuse links of appropriate rating, and functional testing, complete with all necessary fittings, complete all as specified and as directed by Engineer-in-Charge |
| 42 | Supply, installation, testing and commissioning of Current Transformer (CT) suitable for 11 KV, 630 Amps, 50 Hz AC HT VCB panel, having dual ratio CT 100-50/5-5 A, complete with set of three, including all necessary fixing arrangements, connections and accessories, all complete as specified and directed by EIC. |
| 43 | Supply, fixing, testing and commissioning in replacement of unserviceable outdoor HT post insulators suitable for 11 kV busbar system, complete with all necessary hardware, fittings and connections, complete all as specified and as directed by Engineer-in-Charge. Please Enable Macros to View BoQ information |
| 44 | Supply, fixing, testing and commissioning in replacement of unserviceable outdoor HT post insulators suitable for 11 kV busbar system, complete with all necessary hardware, fittings and connections, complete all as specified and as directed by Engineer-in-Charge. Please Enable Macros to View BoQ information |
