REPAIR MAINT OF HT 33 11KV PROTECTION SYSTEM REWINDING OF DEHYDRATION TRANSFORMER OIL AND CONNECTED ITEMS UNDER GE CLEMENT TOWN, DEHRADUN

Amount

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, for carrying out maintenance of transformer all as specified in IS -10028 (part III) - 1981 following by 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, 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 including varnishing drying out in vacuum chamber till specified IR values are achieved, complete insulation varnishing to be done and providing new gasket, nuts , bolts, and checking of leakages if any,rectifying the same by welding, checking of tap change if found faulty, repair / replace the same etc, replacement of silica gel and reassembling of complete transformer all as directed by Engr-in-Charge , including testing as per relevant IS and transporting back the transformer after repair/maintenance to the site , install it, reconnect all the incoming and out going cables by properly using insulation tape and testing complete of following capacities.

(a) 400 to 630 KVA 11000/433 Volt Distribution transformer

(b) 100 to 315 KVA 11000/433 Volt Distribution transformer

(c ) 3.15 MVA 33000/11000 Power Transformers

Note - (i) Cost of items required to be replaced will be measured and paid seperately as under relievent items of this job. The labour charge for replacing the same are deemed to be included in the rates quoted. (ii) The cost of painting inside & outside of transformer also deemed to be included in the rates quoted. (As per IS -10028 (part III) - 1981.) (iii) The standby transformer will be provided by the contractor without any extra cost for continuous power supply, while carrying out repair of transformer. (iv) 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. (v) 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. (vi) The transformer will be get repair from approved manufacturer /workshop having licence for the same, The firm shall be got approval from GE.

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.

Supply only new LV coil suitable for 11/0.415 KV complete alongwith insulation varnishing by vacuum impregnating (if required as per sample) and backing of coil assembly complete all as specified & directed.

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.

Supply only silica gel breather assembly with fresh silica gel for 400 KVA to 630 KVA transformer complete all as specified and directed.

Supply only silica gel breather assembly with fresh silica gel for 100 KVA to 315 KVA transformer complete all as specified and directed.

Supply only HT bushing with stud , seal etc for 400 to 630 KVA transformer complete all as specified and directed.

Supply only HT bushing with stud , seal etc for 100 KVA to 315 KVA transformer.

Supply only LT bushing with stud , seal etc for 400 to 630 KVA transformer complete all as specified and directed.

Supply only LT bushing with stud , seal etc for 100 KVA to 315 KVA transformer complete all as specified and directed.

Supply only 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 Power transformers

Supply only 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 Power transformers

Supply only dial type thermometer of 150 mm dia with max temp indicator complete with resetting device and alarm contacts etc complete all as specified & directed.

Supply only Gun metal gate valve 25 mm dia ISI marked form transformer drain out pipe complete all as specified and directed

Supply only Gun metal gate valve 40mm dia ISI marked form transformer drain out pipe complete all as specified and directed

M&L for Filteration/ dehydration and cleaning of transformer oil off line 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. Note:- For running of filtration plant the arrangement of electric supply / DG set should be made by contractor and the cost of same deemed to be include in quoted rate.

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.

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 120 to 185 sqmm , complete all as specfied and directed.

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 and spring 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

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

(a) 400 to 630 KVA 11000/433 Volt Distribution transformer

(b) 200 to 315 KVA 11000/433 Volt Distribution transformer

(c) 100 to 150 KVA 11000/433 Volt Distribution transformer

(d) 3150 KVA 33000/11000 Volt Power transformer

(e) 1600 KVA 33000/11000 Volt Power transformer

Taking down old unserviceable Overhead ACSR Conductor of any size complete all as specified and directed by Engineer-in -charge .( (Note:- 3 Nos of ACSR Conductor in Each RM)

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.

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 120 sqmm 3 core ISI marked laid in cable duct/trenches/surface/wall complete all as specified and directed.

Excavation in trenches in any type of soil and n.exc 1.5 m wide and n.exc 1.5 m in depth for ,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.

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.

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.

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.

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.

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

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

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.

M&L for 80 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.

S&F in repair galvanized strip 32x6 mm buried in ground complete all as specified & directed by Engg-in-Charge/GE.

M&L for painting of steel tubular HT Pole 11 mtr long and mild steel work such as cross arm, clamps, nuts, bolts, etc including preparation of old painted surface and painting with black and red strip 15 cm long starting from black in alternate pattern upto 1.2 mtr hight above coping and writting pole No with black paint having existing letter size complete all as specified and directed.

Supply, transporting, erection and fixing steel tubular swaged pole, 11 metres long, type 410 SP-55, complete with MS base plate 6 mm thick, pole cap, finial taper plug, bolts, nuts, washers etc including necessary earth work and excavation, PCC in foundation 1:4:8 type D-2, using 40 mm graded stone aggregate and PCC 1:3:6 type C-2, using 40 mm graded stone aggregate as in plinth block, disposal of surplus soil to a distance not exceeding 50 m, painting two coats of aluminium paint over one coat of red oxide primer including 3 Nos band/straps with red and black in alternatete way post office box colour (300mm wide each) synthetic enamelled paint at a distance 300mm from plinth block and marking pole nos with black synthetic enamelled paint including tarring one coat on steel surface embedded in concrete complete all as specified and directed..

M&L for 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 including of one primer coat,one under coat and one finishing coat and one finishing coat of paint.complete all as specified and directed.

S&F ACSR Conductor for jumper connection complete all as specified and directed.

Material & Labour for (taking out existing serviceable and Refixing other location carefully as diected by AGE/GE ) HT steel tubular Two Pole Structure of 11.00 mtr long along with base plate and pole cap including 11 KV GOD and Lightening Arrestor after breaking PCC plinth block, coping including transporting the same to new location and re-erecting in PCC after excavation including refixing of existing 11 KV GOD and Lightening Arrestor on Pole with setting and testing complete including painting with one coat of aluminum paint to HT two pole structure at a distance 6.30 m from top and rest 1.2 mtr from coping level shall be painted with two coat of 20 cm wide strip with synthetic enamel paint of two distinct (Black &Red) color in alternate pattern including writing MES pole No with synthetic enamel black paint having existing letter size complete all as specified and directed . (Note : Excavation for taking out and reerecting of poles, earth work, PCC in foundation/ plinth block and cable protection pipe shall be considered in quatoted rate for this item.)

Supplying, installation, testing & commissioning of 11 KV, extensible 630 Amps, 21kA IP54 Outdoor type SF6 gas insulated 630 Amp Copper busbar RMU comprising of one direct module cable entry and one manual Load Break Switch as details below, robotically welded minimum 2.5 mm thick non magnetic, non ferrite Stainless Steel tank filled with SF6 with IP class IP67 , leak rate less than 0.1% and HT tank tested for internal arc fault of 21kA upto 01-second as per latest IEC 62271-200. The unit shall have front/side/rear cable entry for ease of installation. .The outer enclosure shall cover the full length of the switch gear, to ensure IP54 protection for full door covering of complete switchgear Cable bushings shall be site replaceable type. Make : ABB/Schneider/Areva GE (Inspection of RMU to be done at above manufacturer's factory)

Load break switch module - 1No.

Manual operated 12 KV, 630A Load Break switch and Earthing Switch with making capacity

“Live Cable” LED Indicators through Capacitor Voltage Dividers mounted on the bushings

Earth fault passage indicator

Suitable site replacable bushings

Mechanical ON/OFF/EARTH Indication

Cable boxes suitable for 1x3Cx300 sq mm XLPE Cable with right angle Cable Termination Protectors, situated towards side of RMU

Cable Door should be arc proof and interlocked with respective Earthing Switches. For safety of operator it should not be possible to open the cable Door unless the earth Switch is ON

(Note : Excavation for , earth work, PCC in foundation/ plinth block afor HT panel shall be considered in quatoted rate for this item.)

M&L for installation of 3D Acrylic letter board of various sizes consisting of following specification :- (i) Frame work for glow sign board to be made with MS square pipe of size 25x25x2.6mm cut to required size incl welding, drilling holes, bending etc and painted with two coats of synthetic enamel paint over one coat of red oxide primer complete for required size complete. (ii) ACP Sheet of 0.8 mm thickness cut to required size and fixed by screwing, drilling holes, bending etc from all sides of the board except front. (iii) Acrylic sheet milky white colour 3.0mm thickness cut to required size and fixed in front. (iv) Matter for writing, Colour, type and size of font will be approved by GE. (v) Creating 3D Acrylic letters from the design approved by GE, using a laser cutting machine followed by extrading in 3D using a metthod called skirting. (vi) LED modules fitted in the hollow space beneath the 3D letters or logo of signboard with necessary electric fittings and connection from existing pole / DB complete. (vii) MS square pipe for support 100x100x5mm shall be used for support of board and painted with two coats of synthetic enamel paint over one coat of red oxide primer. Note:- (i) Grouting the support pipe in Brickwork/RCC pillars using (1:3:6) PCC shall be considered in quoted rate for this item. (ii) The support MS Square pipe to be fixed in ground/pillar all as per specified and as directed. (iii) Sintex junction box fixed with 1 MCB SP of capacity 06 to 10 Amp for ON/OFF control of glow sign board and cable for making connection from existing pole / DB / Busbar to Junction box deemed to be included in the rates quoted.

KAPOOR ELECTRICALS

TRINITY CONSTRUCTION