Military Engineer Services-MES has published Repair Maintenance Of Ht Oh Distribution System Distr Transformer Of Various Capacities And Connected Works At Rms. Submission Date for this Tender is 25-09-2021. Transformer Supply Tenders in Rangapahar Nagaland. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 18-Sep-2021 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 25-09-2021 |
| Sl. No. | Item Description |
| 1 | Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre depth for foundation of poles, cables etcand getting out in soft / loose soilcomplete all as specified and as directed. |
| 2 | Excavation in trenches not exceeding 1.5 metre wide andexceeding 1.5 metre depth but not exceeding 3.00 metre depth for foundation of poles, cables etcand getting out in soft / loose soilcomplete all as specified and as directed. |
| 3 | Returning, filling in, of soil including spreading leveling, watering and well ramming in layers not exceeding 25 cmcomplete all as specified and as directed . |
| 4 | Removing excavated material to a distance n.exc 50M and deposited/ spreaded where directed at a level n. exc 1.5 M above the starting point complete all as specified and as directed . |
| 5 | Materials and labour for sand filling around the cable with approved quality coarse sand for sand cushioning of Under ground cableincludingspreading and punning down to desired thickness complete all as specified and as directed.(Note: Punned thickness shall be measured for payment purpose) |
| 6 | Material and labour forbrick work with sub class `B` bricks, old size,straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed. |
| 7 | Materials and labour for half brick thick brick work with sub class "B" bricks straight or curved on plan to any radius built in cement mortar(1:4) complete all as specified andas directed. |
| 8 | Material and labour for rendering 15 mm thick plastering in cement mortar 1:4 on fair faces of brickwork or concrete surface on wall and finished the surface even and smooth without using extra cement complete all as specified and directed. |
| 9 | Material and labour for PCC (1:4:8) type D2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and as directed. |
| 10 | Material and labour for PCC (1:3:6) type C2 (using 40 mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and as directed. |
| 11 | Material and labour for PCC (1:2:4), type B1, (using 20mm graded stone aggregate), as in cills, coping, benching on chajja, roof kerbs, bed blocks and the like including weathering, slightly rounded or chamferred angles and throating with and including necessary formwork complete all as specified and as directed. |
| 12 | Taking down existing electric steel pole 11 / 9 meter sizeincluding demolition of existing concrete for pole foundation and removing rubbish off the premises complete all as specified and as directed. |
| 13 | Supply and fixing steel tubular swaged pole, type 410 SP 55 (Overall length 11.00 meter) conforming to IS-2713 (Part 1 to 3) 1980 complete with cast iron base plate, finial taper plug, bolts, nuts and washers, screws. Pole shall be painted with two coat of black bituminous throughout internally and externally upto planting depth and the remaining external portion shall be painted with two coats of aluminum paints over a coat of red oxide primer, including painting of red & white alternate strips of 30cm each externally from ground level upto 1.2m with synthetic enamel paint, numbering of poles complete all as specified and as directed. (Note: Excavation and earth work and PCC shall be measured and paid separately under respective items) |
| 14 | Disconnetcing electric cable from pole / transformer in any position and taking up or down unserviceable underground cable, trenching out cable by manual digging in any location of size 95 Sqmm to 150 Sqmm and finding of fault by visual check or by cable fault locator, meggering the cable with 11 KV megger and filling of cable end / straight through joints if required and reconnecting in same position complete all as specified andas directed. (Note: Cable end / Straight through joints and other accessories will measured and paid separately under relevant item of Schedule.) |
| 15 | Taking up / down unserviceable underground cable , 11000 volts grade of size 95/120 Sqmm, 3 core from trenches, ducts, floor, pipes and removing materials from site of work complete all as specified and as directed.(Note: Excavation and earthwork shall be measured and paid separately under relevant item of schedule.) |
| 16 | Supply, laying connecting and testing XLPE insulated (Earthed) cable in trenches / or fixed on pole etc in screenedPVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded alluminium conductor, 11000 volts grade, cross sectional area 120 Sqmm, 3 core, Confirming to IS-7098 (Part-II) 1985 complete all as specified and as directed. Note : Earth workwill be measured and paid separately under respective item. |
| 17 | Dismantling of existing unserviceable / undersized ACSR / AAC conductor of any size, jumper from overhead line complete all as specified and directed. |
| 18 | Material and labour for stringing PVC insulated ACSR conductor (any size) 11000 Volts grade any type / size, straining properly on insulator and binding with aluminium tape / connectors, jumpers etc drawing as OH line complete all as specified and directed.(Note: The length of sleeves for each conductor will be measured and paid as single length) |
| 19 | Supply, install, testing and commissioning of lightening arrestor expulsion type complete with all fitings, transmission class, discharge capacity minimum 65 KA suitable for working voltage of11000 Volts including all necessary fittings all as per IS-3070 Part-III and IEC 1994including dismantling of old unserviceable one complete all as specified and as directed. (Make: Alpro / Areva/ Oblum/ Rashtriya/ Raychem/ BEEL/ ABB) |
| 20 | Dismantling of existing unserviceable GI earth continuity conductor and cradle guard and removing unserviceable material from site of work complete all as specified and directed. |
| 21 | Supply and fixing cradle guard hexagonal / rectangular fabricated with galvanised steel wire 3.15 or 4 mm dia on road crossing and streching the same with LT / HT overhead lines and binding the conductor with GI binding wire of suitable size complete all as specified and as directed. |
| 22 | Material and labour for GI earth wire 4 mm dia fixed to pole as earth continuity conductor or for cradle guard complete all as specified and as directed. |
| 23 | Dismantling of corroded / rusted / defective cross arms of mild steel channel / angle of any section complete all as specified and directed. |
| 24 | Material and labour for Cross arm 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 two coats of aluminium paint over a coat of zinc chrome primer complete all as specified and as directed. |
| 25 | Dismantling of old unserviceable insulator, any type / size complete all as specified and directed. |
| 26 | Supply and fixing Disc type insulator, porcelain, vitreous, 145 mm high and 255 mm dia ball and socket type, white, brown or green single disc assembly including nuts, bolts as requirredfor 11000 volts grade confirming toIS-731 and IS-3188 including tension clamp complete all as specified and as directed. Make: Jayashree/BHEL/ Mysore/ Rastriya. |
| 27 | Supply and fixing Pin type insulator, porcelain, vitreous, white, brown or green insulator including one galvanised mild steel spindle, two galvanised iron washers and one galvanised iron nut, 150mm height, 150mm dia for 11000 volts grade confirming to IS-2486 complete all as specified and as directed. Make: Jayashree/BHEL/ Mysore/ Rastriya. |
| 28 | Material and labour for loop type insulator, vitreous, pocelain, white brown or green, large size with overall dimension 90 x 140 mm, clearence of hole 25.5 mm complete all as specified and directed. |
| 29 | Dismantling of old unserviceable damaged stay assembly embedded in concrete including demolition of PCC complete all as specified and directed. |
| 30 | Supply and fixing stay assembly with using 20 mm diameter of stay rod complete with accessories as shown in electrical plate No. 1 all as specified and directed.(Note: loop type insulator, stay clamps, excavation and concrete shall be measured and paidseparately) |
| 31 | Supply and fixing galvanised stay strand, 7/3.15 mm complete all as specified and directed. |
| 32 | Supply and fixing in repair heat shrinkable type end termination cable jointing kit indoor type suitable for XLPE insulated cable 120 Sqmm to 185 Sqmm size, 3 core, 11 KV including testing on completion complete all as specified and as directed. |
| 33 | Supply and fixing in repair heat shrinkable type end termination cable jointing kit outdoor type suitable for XLPE insulated cable 120 Sqmm to 185 Sqmm size, 3 core, 11 KV including testing on completion complete all as specified and as directed. |
| 34 | Supply and fixing in repair heat shrinkable type end termination cable jointing kit for 11 KV (Earthed) grade cable for straight through heat shrinkable type joint complete with jointing materials and accessories suitable for 3 core XLPE armoured cable aluminium conductor of size120 Sqmm to 185 Sqmm size including testing on completion complete all as specified and as directed. |
| 35 | Supply and laying 80 mm bore galvanised GI tubing, light grade with all fittings for passing of UG cables including taking up / down old unserviceable tubing complete all as specified and directed. |
| 36 | Dismantling air break gang operated switches vertical / horizontal mounted including insulators and operating mechanism for repair / replacement of of broken / worn out components and insulators etc complete all as specified and directed. |
| 37 | Supply and fixing triple pole mechanically operated air break isolator (GOD), vertical mounting, rotating type, mounted on insulator and steel frame with operating mechanism worked from ground level complete in all respect such as gun metal moving contacts and spring loaded gun metal fixed jaws, knife copper jumper strip etc, suitable for 11000 Volts grade, 50 Hz with 9 insulator of rating upto 200 Amps complete all as specified and as directed. Make: Pactil/BHEL/Jaypuria Brothers |
| 38 | Supply and fixing drop out fuse single pole mounted on insulator 11000 volt grade and current rating above 25 Amps and upto 50 Amps including taking down old unserviceable drop out fuse and removing from site complete all as specified and as directed. Make: Pactil/BHEL/Jaypuria Brothers |
| 39 | Material and labour for anti climbing device, spike type fabricated from structural steel comprising of MS flat 20 mm x 6 mm MS round bar pointed 8 mm dia, 20 cm length welded on MS flat fixed with nuts, bolts, washers and welding with and including painting with two coats of aluminium paint over a coat of red oxide zinc chrome primer including taking down old unserviceable device complete all as specified and directed. |
| 40 | Supply and fixing Danger notice plate of 25x20cm size and 1.6mm thick mild steel sheet, vitreous enamelled white, with letters(Local & Hindi language), figures and conventional skull and bones in signal red colour and fixed with M.S. clamps, bolts and nuts of approved size, for HT pole including taking down old unserviceable one complete all as specified and as directed. |
| 41 | Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised earthing lead of 4mm diaby means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 15mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion including taking out unserviceable earthing plate and accessoriesall as specified and as directed. (Note: Earth lead upto a length of 7.50 m from earthplate shall be deemed to be included in quoted rate.) |
| 42 | Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised strip of 32 x 6mm sizeby means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 40mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion including taking out unserviceable earthing plate and accessoriesall as specified and as directed. (Note: Earth strip upto a length of 7.50 m from earthplate shall be deemed to be included in quoted rate.) |
| 43 | Materials and labour for earthing complete with Copper earth plate electrode 600 mm x 600 mm x 3.15 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with copper strip of 20 x 3mm sizeby means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 40mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion including taking out unserviceable earthing plate and accessoriesall as specified and as directed. (Note: Earth strip upto a length of 7.50 m from earthplate shall be deemed to be included in quoted rate.) |
| 44 | Disconnecting all electrical connection from Air break Switch (GOD) vertical / Horizontal type of any capacity, cleaning all parts and applying jelly / greasing to all moving parts for smooth functioning including replacement of unserviceable parts like post insulator, Male / Female contact, DO fuses, GOD handles, nuts, bolts and washers etc complete all as specified and directed.(Note: Spares as required for replacement shall be measured and paid under relevant item of schedule as supply only.) |
| 45 | Supply only brass terminal plate for mounting male contact of air break switch insulator including GI nuts, bolts and washers etc as required complete all as specified and directed. (Make: Pactil / ECE / KOLKATA / BHEL) |
| 46 | Supply only male contact for air break switch complete all as specified and directed.(Make: Pactil / ECE / KOLKATA / BHEL) |
| 47 | Supply only female contact for air break switch complete all as specified and directed.(Make: Pactil / ECE / KOLKATA / BHEL) |
| 48 | Supply only post insulator for air break switch with metal part suitable for HT 11 KV conforming to IS-5572-1972 complete all as specified and directed.(Make: Pactil / ECE / KOLKATA / BHEL) |
| 49 | Supply only DO insulator suitable for HT 11 KV with metal part conforming to IS-5572-1972 complete all as specified and directed.(Make: Pactil / ECE / KOLKATA / BHEL) |
| 50 | Supply only high conductivity copper wire mesh jumper 200 Amps rating for air break switch 11 KV complete all as specified and directed. |
| 51 | Supply only drop out fuses top / bottom contactcomplete all as specified and directed. |
| 52 | Supply only handle for GOD operating mechanism with GI tube of 40 mm with drilled hole to mount and fix on two / four pole structure with operating handle duly fixed with HT 11 KV grade insulator, horizontal / Vertical type completeincluding nuts and bolts and removing the unservicveable items all as specified and directed. |
| 53 | Supply only pad lock 90 mm 7 lever complete all as specified and directed. |
| 54 | Supply and fixing GI tubing 25 mm bore dia, medium grade with all fittings laid in trenches including taking up / down old unserviceable tubing complete all as specified and directed. |
| 55 | Cutting / trimming of only tree branches and creepers and ensure 1.5 m clearence which are touching of overhead lines / poles between the tree and over head lines and poles on all direction and disposal of waste timber and tree branches at a distance n.exc. 50 mtrs without dismantling / damaging of ACSR conductor complete all as specified and directed. |
| 56 | Tightning and straightening of HT / LT overhead line of ACSR conductor / GI wire of any size and span by disconnecting and removing from insulators and tightning the conductor by using rope, chain pulley block etc and binding the conductor on insulators with and including binding wire and jumpers of ACSR complete all as specified and directed.(Note: Each line to be measured for payment purpose) |
| 57 | Disconnecting electrical connection, dismantling and taking down old unserviceable ACSR jumpers (PVC insulated / bare conductor) any size and type including supply and fixing of new jumpers with PVC insulated 12 KV volt grade ACSR upto 1.5 metre length and winding with insulators or ACSR conductor with suitable size wire complete all as specified and directed. |
| 58 | Removal of unwanted grass, plants and vegetations from E/M installations in monthly basis including surface dressing and removal of grass, plants and vegetations from site not less than 50 mtr from starting point complete all as specified and directed. (Note: (i) Removal of unwanted grass and vegetation will be repeted once in a month. (ii) The tendere shall quote his monthly rate for the job) |
| 59 | Supply and fix 12 KV graded insulating sleeved for HT OH ACSR conductor 11 KV grade after dismantling of existing OH line from existing poles and refixing new PVC sleeved ACSR conductor on poles including binding materials complete all as specified and directed. |
| 60 | Disconnecting / dismantling in position for minor servicing / overhaul of 11 KV distribution tra nsformer 63 KVA to 400 KVA capacity for any type of leakage / defect at LT / HT bushing, gasket, drain plug etc after disconnecting of electrical supply and earth connection, drain out transformer oil and keeping in close container for re-use, lifting / removing of top cover of transformer if require, reassembling of transformer with new gasket set assembly, replacement of consumer oil tank, nuts, bolts and washers as required at site, refilling of transformer oil complete after electric connections and testing on completion complete all as specified and directed. (Note: (i) If retrived transformer oil"s di-electric strength isless than the desired level than the same will be replaced with new transformer oil as per relevant item of schedule. (ii) If any minor items is required for smooth functioning of transformer including general cleaning of surrounding area and equipement also the cost of the same will be deemed to beincluded in the quoted rates.(iii) HT / LT bushing will be measured and paid separately under relevant item.(iv) Gasket set shall be measured and paid separately under relevant item.) |
| 61 | Taking down carefully existing defective 11 KV / 433 volts outdoor / indoor type step down distribution transformer upto 100 KVA capacity by disconnecting LT / HT side and transporting to Civil workshop, dismantling carefully and supply material and labour for rewinding the HT side (primary winding) of the transformer with super enamelled copper conductor of suitable gauge to match the existing specification including re-fixing, connecting testing and commissioning of transformer complete all as specified and directed. |
| 62 | Supply and fixing air breather with silica gel (dark blue colour) suitable for outdoor type step down distributiontransformer upto 160 KVA including taking down existing old unserviceable breather from transformer. complete all as specified and as directed. |
| 63 | Disconnecting HT / LT side electrical connection carefully of 11 KV / 433 volt step down transformer of any capacity, draining out and refilling of existing transformer oil after filtration, dehydration and measuring the di-electric strength which should not be less than 40 KV including reinstallation of transformer satisfactorily on its original position, connecting, testing and commissioning complete all as specified and directed. |
| 64 | Material and filling of new transformer oil having di-electric strength not less than 50 KV complete including centrifuging of oil (if required) up to getting di-electric strength near 60 KV complete all as specified and directed. |
| 65 | Dismantling and taking down old unserviceable dial type temperature gauge and supply and fix new dial type temperature gauge having range 0 to 100 degree centigrade complete all as specified and directed. |
| 66 | Material and labour forloose filling with graded coarse stone aggregate 40 mm for outdoor type substation not exceeding 150 mm thick complete all as specified and directed. |
| 67 | Shifting of transformer 11/0.433 KVA to a distance not more than 5.00 KM from power house / any other place to required place including disconnecting all electrical connection and making all electrical connection after shifting and testing complete all as specified and directed. |
| 68 | Material and labour for painting of 11 KV distribution transformer of capacity 100 KVA to 300 KVA with synthetic enamel paint, two coats by spray paintingapproved colour after scrapping of old paint, cleaning of all rusted portion surface including sign writing i.e MES No. Make, Capacity etc complete all as specified and directed. |
| 69 | Supply only silica gel (dark blue colour) of good quality complete complete all as specified and directed. |
| 70 | Material and labour for well burnt subclass "B" bricks llaid flat width wise along the length of cable for cable protection complete all as specified and directed. |
| 71 | Material and labour for gasket of any size transformer of any capacity after taking down unserviceable gasket complete all as specified and directed. . |
| 72 | Demolition of brickwork or stone / boulder masonary, built in cement mortar including all quoins, arches, pillars etc but excluding ashler facing, dressed stonework and precast concrete articles complete all as specified and directed. |
| 73 | Demolition of plain cement concrete of any description and in any position not otherwise specifically provided for PCC for pole / mass concrete / foundation filling complete all as specified and directed. |
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