Military Engineer Services-MES has published Repair Maintenance Of Ht 33 11Kv Protection System Rewinding Of Dehydration Transformer Oil And Connected Items Under Ge Clement Town Dehradun Repair/Maint Of Ht 33 11Kv Protection System Rewinding Of Dehydration Transformer Oil And Connected Items . Submission Date for this Tender is 23-12-2020. Electrical Maintenance Tenders in GE CLEMENT TOWN DEHRADUN Uttarakhand. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 08-Dec-2020 | Corrigendum | Terms and Conditions | 16-12-2020 |
| 2 | 16-Dec-2020 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 23-12-2020 |
| Name of Work: REPAIR/MAINT OF HT 33/11 KV PROTECTION SYSTEM /REWINDING & DEHYDRATION TRANSFORMER OIL AND CONNECTED ITEMS UNDER GE CLEMENT TOWN DEHRADUN | |||||
|---|---|---|---|---|---|
| Sl. No. | Item Description | Item Code / Make | Quantity | Units | |
| 1 | 1 | Disconnecting existing power transformer 33KV/11KV of 3.15 MVA capacity including draining out and collecting burnt transformer oil from radiator fins and conservator,dismantling of radiator fins and other accessories etc and keeping aside in safe custody all as specified and directed. | 1 | Each Job | |
| 2 | 2 | Loading/unloading and transporting defective 3.15 MVA power transformer with the help of crane by using of hydrolic crane and loading on truck from MRS of GE Clement town and transport to approved nearby workshop/factory by road,transporting back to MRS after repairing of transformer and reconnecting incoming and outgoing connections including fixing of radiator fins ,conservator, filing of transformer oil and other accessories etc including commissioning and testing all as specified and directed by Engineer in Charge. | 1 | Each Job | |
| 3 | 3 | Disconnecting all in coming and outgoing cables, removing the transformer from the platform / two pole structure / floor and loading it in the vehicle carefully using crane and transporting it to approved nearby workshop, carry out the required repairs and transport back the transformer after repair to the site , install it, reconnect all the incoming and out going cables by properly crimping using suitable size of lugs and properly insulated using insulation tape and testing complete of following capacity all as directed by Engr-in-Charge :- | |||
| 4 | 3.01 | (a) 500 to 630 KVA 11000/433 Volt Distribution transformer | 1 | Each Job | |
| 5 | 3.02 | (b) 200 to 315 KVA 11000/433 Volt Distribution transformer | 1 | Each Job | |
| 6 | 4 | Detailed inspection of transformer of cap 3.15MVA including major repair work in transformer as detailed below : Opening of transformer cover, draining of oil if any, de-tanking core and coil assembly, replacement of damaged items all as per inventry prepaired after joint inspection by Engr-in Charge and Contractor, minor repair of any part including core and tank(if required), cleaning washing of dust and dirt etc from all parts including core and tank, cooling tubes of radiators,fitting and fixing of new parts,re-assembling of core and winding after carring out necessary repair and replacement of defective items including providing all necessary insulation material of appropriate class, drying out in vacuum chamber till specified IR values are obtained, complete insulation varnishing to be done and providing new gasket, nuts , bolts, and checking of leakages if any,rectifying the same by welding etc, replacement of silica gel and reassembling of complete transformer all as directed by Engr-in-Charge , making transformer ready for test and testing all as per IS 2026(Part-I) -1997 para-16/Technical specification. | 1 | Each Job | |
| 7 | 5 | To carry out detailed inspection of transformer of cap mentioned below : Opening of transformer cover, draining out oil, de-tanking core and coil assembly,cleaning, washing of dust and dirt etc from all parts including core and tank, cooling tubes of radiators, taking out burnt out winding/insulation complete in all respects of LV / HV strips/coils , re-assembling of core and winding after carring out necessary repair and replacement of defective items including providing all necessary insulation material of appropriate class , drying out in vacuum chamber till specified IR values are obtained, complete insulation varnishing to be done and providing new gasket, nuts , bolts, and checking of leakages if any,rectifying the same by welding etc, replacement of silica gel and reassembling of complete transformer all as directed by Engr-in-Charge , making transformer ready for test and testing all as per IS 2026(Part-I) -1997 para-16/Technical specification. \n | |||
| 8 | 5.01 | (a) 500 to 630 KVA 11000/433 Volt Distribution transformer | 1 | Each Job | |
| 9 | 5.02 | (b) 250 to 315 KVA 11000/433 Volt Distribution transformer Note for item No-4 & 5 :- (i) LT/HT side ceramic bushing, spindle for HT/LT side , rewinding,dehydration/filling of new oil shall be measured and paid separately in respective items. (ii) Any other items which is required to be provided for smooth functioning of transformer but not specified above shall be provided by contractor without any extra cost . The cost of the same are deemed to be included in the rates quoted. (iii) All necessary items required for cleaning of inner tank, limbs/cores are included in the rate Quoted (iv) The inventries of all defective items to be replaced/repaired will be prepaired jointly by Engr-in Charge and contractor at the time of inspection of defective trasformer after opening at the firm's workshop. The inventries will be signed by both Engr-in Charge and contractor before starting of repair work. (v) The transformer will be get repaire from approved manufacturer /workshop having licence for the same, The firm shall be got approval from GE. | 1 | Each Job | |
| 10 | 6 | Supply only new HV coil suitable for 33 KV power transformer complete alongwith insulation varnishing by vacuum impregnating (if required as per sample) and backing of coil assembly complete all as specified & directed. | 850 | Kg | |
| 11 | 7 | All as per item No. 6 above but HV coil suitable for 11 KV power transformer complete all as specified & directed. | 430 | Kg | |
| 12 | 8 | Supply only new HV coil suitable for 11 KV distribution transformer complete alongwith insulation varnishing by vacuum impregnating (if required as per sample) and backing of coil assembly complete all as specified & directed. | 520 | Kg | |
| 13 | 9 | Supply only new LV coil suitable for 0.415 KV complete alongwith insulation varnishing by vacuum impregnating (if required as per sample) and backing of coil assembly complete all as specified & directed. | 350 | Kg | |
| 14 | 10 | Supply only insulating transformer oil confirming to IS 335 1993 for replacing in power/distribution transformer with dielctric strength not less than 60 KV complete all as specified and directed. | 4100 | Ltr | |
| 15 | 11 | Supply only silica gel breather assembly with fresh silica gel for 3.15 MVA power transformer complete all as specified and directed. | 1 | Each | |
| 16 | 12 | Supply only silica gel breather assembly with fresh silica gel for 500 KVA to 630 KVA transformer complete all as specified and directed. | 1 | Each | |
| 17 | 13 | Supply only silica gel breather assembly with fresh silica gel for 250 KVA to 315 KVA transformer complete all as specified and directed. | 1 | Each | |
| 18 | 14 | Supply only HT bushing with stud , seal etc for 500/630 KVA transformer complete all as specified and directed. | 3 | Each | |
| 19 | 15 | All as per srl item No 14 above but for 250 KVA to 315 KVA transformer. | 3 | Each | |
| 20 | 16 | Supply only LT bushing with stud , seal etc for 500/630 KVA transformer complete all as specified and directed. | 4 | Each | |
| 21 | 17 | All as per srl item No 16 above but for 250 KVA to 315 KVA transformer complete all as specified and directed. | 4 | Each | |
| 22 | 18 | Supply only HV bushing with metal part 33 KV for 3.15 MVA transformer complete all as specified and directed. | 3 | Each | |
| 23 | 19 | Supply only 11KV bushing with metal part for 3.15 MVA transformercomplete all as specified and directed. | 4 | Each | |
| 24 | 20 | Filteration/ dehydration and cleaning of transformer oil by dehydration plant including testing of samples before and after dehydration and filtration, dielctric strength should not less than 55 KV at 2.5 mm gap after dehydration/filtration all as specified and directed. | 17000 | Ltr | |
| 25 | 21 | M&L for replacement of silica gel breather assembly with silica gel for transformer of 200 KVA to 630 KVA transformer complete all as specified and directed. | 10 | Each | |
| 26 | 22 | S& F in repairs of HT bushing with stud, seal etc complete by disconnecting existng LT/HT connection , drain out oil upto required level all as specified and directed by Engr-in-Charge for following capacity of transformers | |||
| 27 | 22.01 | (a) 63/100/160 KVA | 9 | Each | |
| 28 | 22.02 | (b) 160/200KVA to 630 KVA | 27 | Each | |
| 29 | 23 | S& F in repairs of LT bushing with stud, seal etc complete by disconnecting existng LT/HT connection , drain out oil upto required level all as specified and directed by Engr-in-Charge for following capacity of transformers | |||
| 30 | 23.01 | (a) 63/100 KVA | 8 | Each | |
| 31 | 23.02 | (b) 160/200/250 KVA | 12 | Each | |
| 32 | 23.03 | (c) 300/315/ 400 KVA | 10 | Each | |
| 33 | 23.04 | (d) 500/630 KVA | 8 | Each | |
| 34 | 24 | S&F dial type thermometer of 150 mm dia with max temp indicator complete with resetting device and alarm contacts etc complete all as specified & directed. | 2 | Each | |
| 35 | 25 | M&L for overhauling of auatomatic on load tap changer(OLTC) for 1.6 MVA transformer including replacement of defective parts as required at site and making the same functional to entire satisfaction of Engr-in-Charge complete all as specified and directed Note:- Contractor has to Quoate the rate for unforeseen scop of work no extra payment will be done for any unforseen work for above job | 1 | Each Job | |
| 36 | 26 | M & L for replacement of Gun metal gate valve 25 mm dia ISI marked form transformer drain out pipe complete all as specified and directed | 2 | Each | |
| 37 | 27 | M & L for replacement of Gun metal gate valve 40 mm dia ISI marked from transformer drain out pipe compeite all as specified and directed | 2 | Each | |
| 38 | 28 | M&L for PVC insulated single core, aluminium conductor of size 35 Sqmm of red, yellow, blue and black (phase indication) for jumper connections for 33/11 KV line complete all as specified and directed. | 100 | RM | |
| 39 | 29 | S&F in replacement cable jointing kit 11 KV (Earthed) grade cable for outdoor termination cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminum conductor cabe of size 50 to 95 sqmm , complete all as specfied and directed. | 8 | Each | |
| 40 | 30 | All as per item No 29 above but of size 120 to 185 Sqmm complete all as specified & directed. | 10 | Each | |
| 41 | 31 | All as per item No 29 above but indoor of size 50 to 95 Sqmm complete all as specified & directed. | 5 | Each | |
| 42 | 32 | All as per item No 29 above but indoor type of size 120 to 185 Sqmm complete all as specified & directed. | 6 | Each | |
| 43 | 33 | S&F in replacement cable jointing kit 11 KV (Earthed) grade cable for straight through cold shrinkable type joint complete with jointing material and accessories suitable for 3 core XLPE armoured aluminium conductor cable of size 95 Sqmm, complete all as specified and directed. | 4 | Each | |
| 44 | 34 | All as per item No 33 above but of size 120 to 185 Sqmm complete all as specified & directed. | 2 | Each | |
| 45 | 35 | Supply ,installation, commisioning and testing in replacement triple pole, mechanically operated gang operated air break switch horizontal mounted disconnecting switch consists of galvanised steel base HT insulators as per BSS/IS , non ferrous knife na dspring loded arcing horn of adequate section to break mangnetizing current of the transformer ,horizontal GI pipe/MS square rod of suitable length for phase seperation, adequate length of GI pipe fixed vertically for operation from ground level and operating complete in both OFF and ON position and having all ferrous parts hot dipped galvanised and non ferrous parts heavily with stand weather suitable for verticle mounting of current rating up to 400 amps ,for 33000 volts , 50Hz complete all as specified and directed. Make:- JAIPURIA BROTHERS, Pactel, Atlas, ECE, Areva | 1 | Each | |
| 46 | 36 | M&L for painting of transformer after cleaning the body surface of transformer by rubbing with emery Paper to remove oil stains, dust etc with snthetic enamel paint by spray paint incl writing SM No/MES No , of following capacity of transformer to the entire satisfaction of Engr-in-Charge | |||
| 47 | 36.01 | (a) 400 to 630 KVA 11000/433 Volt Distribution transformer | 7 | Each | |
| 48 | 36.02 | (b) 200 to 315 KVA 11000/433 Volt Distribution transformer | 10 | Each | |
| 49 | 36.03 | (c) 100 to 150 KVA 11000/433 Volt Distribution transformer | 6 | Each | |
| 50 | 36.04 | ( d) 3150 KVA 33000/11000 Volt Power transformer | 2 | Each | |
| 51 | 37 | Taking up/down old unserviceable U/G cable of 11 KV of size 95 Sqmm 3 core from trenches after removing sand & old bricks complete all as specified & directed. | 500 | RM | |
| 52 | 38 | Supply, laying, connecting and testing in repalcement XLPE insulated, screened, PVC bedded, galvanised steel strip armoured electric power cable (heavy duty ) 11000 Volts (Earthed) grade with stranded aluminium conductor cross sectional area 95 sqmm 3 core ISI marked laid in cable duct/trenches/surface/wall complete all as specified and directed. | 500 | RM | |
| 53 | 39 | Excavation in trenches in any type of soil and n.exc 1.5 m wide and n.exc 1.5 m in depth for poles,laying under ground electric cable and GI tubing (where provided for protection of cables), stay and getting out, trimming the sides, forming bottom surface to required level in any type of soil complete all specified and directed. | 140 | Cum | |
| 54 | 40 | M&L for sand cushioning for under ground cable with layer of fine river dry sand 80 mm thick before laying of cable and 150 mm thick after laying of cable in trenches complete all as specified and directed. Note:- Punned (consolidated ) thicness of sand will be measured and paid. | 25 | Cum | |
| 55 | 41 | M&L for un-reinforced precast concrete cable cover class HVP, type 1 with peak size 300mmx180mm x 40mm compliance with IS:5820-1970, as cable protection over sand cushioning perpandicular across the cable length wise in trenches complete all as specified and directed. | 2100 | Each | |
| 56 | 42 | Returning , filling in, any type of soil including spreading, leveling, watering and well ramming in layers n.exc 250mm thick, in any tupe of soil complete all as specified and directed. | 70 | Cum | |
| 57 | 43 | Removing excavated material (surplus soil) to a distance not exceeding 50m and depositing where directed at a level n.exc 1.5 m above the starting point, complete all as specified and directed. | 45 | Cum | |
| 58 | 44 | Supply only ISI Marked Aluminium Lugs 25/35 sqmm suitable for aluminium conductor UG cable complete all as specified & directed. | 200 | Each | |
| 59 | 45 | All as per srl item No 44 above but aluminium of size 50 sqmm complete all as specified & directed. | 225 | Each | |
| 60 | 46 | All as per srl item No 44 above of size 70 sqmm complete all as specified & directed. | 200 | Each | |
| 61 | 47 | All as per srl item No 44 above but of size 95 sqmm complete all as specified & directed. | 250 | Each | |
| 62 | 48 | All as per srl item No 44 above but of size 120 sqmm complete all as specified & directed. | 250 | Each | |
| 63 | 49 | All as per srl item No 44 above but of size 150 sqmm complete all as specified & directed. | 200 | Each | |
| 64 | 50 | All as per srl item No 44 above but of size 185 sqmm complete all as specified & directed. | 150 | Each | |
| 65 | 51 | All as per srl item No 44 here-in-before but of size 240 sqmm complete all as specified & directed. | 250 | Each | |
| 66 | 52 | All as per srl item No 44 here-in-before but of size 300 sqmm complete all as specified & directed. | 100 | Each | |
| 67 | 53 | Supply only HT fuse wire made out of tinned copper suitable for 11 KV feeder of rating 10 amp complete all as specified & directed. | 15 | Kg | |
| 68 | 54 | Supply only ISI marked PVC insulation tape 15mmx25 Mtr complete all as specified & directed. | 450 | Roll | |
| 69 | 55 | Supply only ISI marked PVC insulation tape 20mmx25 Mtr complete all as specified & directed. | 300 | Roll | |
| 70 | 56 | Supply only HT tape 0.6mm thick x19 mm x 15 mtr ISI Marked complete all as specified & directed. | 200 | Each | |
| 71 | 57 | Supply only ISI Marked insulation tape(empire tape) of best quality insulation class A, dry, non adhensive,tensile strength not less than 38 lbs/inch 25mm x 15 mtr complete all as specified & directed. | 95 | Roll | |
| 72 | 58 | Supply only rubber hand glove suitable for 11 KV complete all as specified & directed. | 10 | Pair | |
| 73 | 59 | Supply, installation, testing and commissioning as in repair of Lighting Arresters expulsion Metal oxide type, distribution class with all fittings arrangements suitable to 11000 volts grade and discharge capacity 12 KV/10KA with and incxluding lighting counter and cable of sutable size and core from lightning arrestor to ligting counter complete all as specified & directed. Make :-Jaipuriya Brothers/Crompton/GEC/BHEL/ATLAS | 6 | Set of three | |
| 74 | 60 | All as per srl item No 59 above but for 33000 volts | 1 | Set of three | |
| 75 | 61 | Supply, installation, commissioning and testing in repacement of HT 11 KV outdoor type gang operated triple pole air break switch suitable for Horizontal or vertical mounting fixed type complete with 12 insulator 200 amps rating and steel frame mechanically oprated mechanism consisting of operating rod of 25 mm bore light grade GI pipe of sutable length worked from ground level and with locking arrangement flat iron clamp 50 mmx6mm including MS channel of suitable size length for fixing GOD including bolts, nuts and washer complete all as specified and directed. Make:- JAIPURIA BROTHERS, Pactel, Atlas, ECE, Areva | 7 | Each | |
| 76 | 62 | M&L for earthing complete with galvanished steel earth plate electrode 600x600x6.0 mm thick buried directly in ground ( earth pit not less than 2.25 mtr deep below NGL) with top edge of the plate not less than 1.5 Mtr deep below NGL, connected by galvanised iron strip 32x6mm as earth lead by means of brass nuts and bolts, thimbles, cheak nuts, washers including concrete chamber of PCC 1:3:6 type C-1 using 20 mm graded stone aggregate, with fair finish, internal surface of concrete chamber shall be given internal dia 300mmx 300mm, 15 mm thick plaster in CM 1:4 funnel with wire mesh, RCC pit cover of 320 x 320x 80 mm size (1:2:4) type B1 using 20 mm graded stone aggregate, adequate quantity of common salt, charcol etc all as shown in electric plate No-3 of MESSSR Part-I(2009) as specified including and provision of GI strip 7.50 mtr long with 40 mm dia light grade GI pipe protection and watering pipe of GI 20 mm bore, medium grade , including all excavation and earth work and connecting the earth strip toan earthing test point/panel including testing on completion complete all as specified and directed by Engr-in-Charge. Note :-(i) RCC pit cover shall be precast of RCC (1:2:4) type B-1, 80 mm thick reinforced with XPM weight not less than 4 Kg/sqm in lieu of CI cover. (ii) Cost of additional strip more than 7.50 mtr will be measured and paid seprately under relivant item. | 9 | Each | |
| 77 | 63 | M&L for 100 mm bore GI tube light grade laid under road/culvert/drain fixed to pole wall with help of flat iron clamps etcfor cable protection complete all as specified & directed. | 10 | RM | |
| 78 | 64 | S&F in repair galvanized strip 32x6 mm buried in ground complete all as specified & directed by Engg-in-Charge/GE. | 30 | RM |
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