Installation of Additional 5 MVA Power Transformer at 33/11 KV S/S UPSIDC, Chinhat Lucknow, under jurisdiction of EE, EUCD-I, LESA, Trans gomti, Luknow

Amount

Carriage of all the concerning material from store center to JE's dump store& from dump store to the site work including loading,unloading and proper stacking at the site etc.

5 MVA T/F

33 KV 3x300 sq mm XLPE Cable

33 KV 3x300 sq mm XLPE O/D J/Kit

11 KV 3x300 sq mm XLPE Cable

11 KV 3x300 sq.mm Cable Jointing Kit I/D

11 KV 3x300 sq.mm Cable Jointing Kit O/D

Single core cable 1x630 sq mm

Panther Conductor

33 KV VCB 800 Amp 750 MVA

Single T/F Control Panel

11 KV VCB I/C CTR 600/300/5 amp, 350 MVA

11 KV VCB O/G CTR 200/100/5 amp, 350 MVA

Bus Coupler 350 MVA

33 KV Lightening Arrestor

33 KV BUS ISOLATOR 400/800 A

Steel Materials

Rail 105 Lbs 8-9 Mtr Long

33 KV CT 200/100/1 amp

Welding of riser strip with earthmat and structure body.

Construction of plinth of size 3x4 Mtr. for Power T/F having 0.4 Mtr. above ground level and 0.9 mtr below ground level . The work including excavation of foundation base concreting in CC 1:6:12 ratio (cement ,fine sand & brick ballast)first class brick work in cement morter of ratio 1:4 foundation CC in 1:4:8 ratio (cement ,fine sand & brick blast) and RCC working ratio 1:2:4 (cement ,coarse sand and stone grit of 20mm gauge using MS Bars of 10mm dia( tor ) in reinforcement including its cutting ,bending &binding in required shape .The work also includes laying of 2 No. 4 Mts. long each rail pieces complete with cutting & proper fitting etc. The plinth will be plastered/ finished on top and sides of the plinth .

Fabrication & erection of Isolator stucture as per RESSPO Norms. (steel material provided by deptt.)

Fabrication & erection of L.A. & C.T. stucture as per RESSPO Norms. (steel material provided by deptt.)

Construction of plinth of size 2.0 mtr x 1.5 mtr x 0.9 mtr suitable for erection of upper structure for 33KV VCB including grouting of anchor bolts in proper alignment and level. Scope of work includes excavation of foundation base concreting in CC 1:6:12(cement, fine sand & brick ballast ),1st class brick work in cement mortor of ratio 1:4 CC in ratio 1:4:8 and RCC work in ratio 1:2:4 (cement coarse sand and stone grit of 20mm gauge )as per RESSPO norms.

Erection and installation of 33/11kV, 5MVA transformer in a levelled position on the plinth. The work includes shifting of transformer to the site of installation within the substation premises, assembling fixing and fitting of all accessories and filling of transformer oil to the desired level and ensuring that there is no leakage. Providing & fixing Copper.L-piece 07 no.for transformer. All the jumpering & connection are included in the scope of work.

Earthing by way of boring and lowering of "B" class GI pipe 50mm dia from ground upto the water level (minimum 30 meter deep) as per standard practice

Fabrication and grouting of M.S Angle 75x75x6 or 65x65x6mm in L shape & in proper size and alignment to provide support for the separate earthing strips for power transformer neutral including supply and fixing of flexible copper bonds for neutral earthing. (Steel provided by diptt.)

Fabrication & eretion of Cable stand as per RESSPO Norms. (steel material provided by deptt.)

Assembling and installation of line /bus isolator on the isolator structure, In case of line isolator proper operation of earth links shall also be insured. The work includes fabrication for proper flexing if required.

Installation/ Mounting of lightning arrestors on the L.A.Structure as per Resspo norms.

Installation of CTs on the CT structure, along with C.T. Junction box .(Junction box to provided by controclor).

Installation of 33KV VCB- complete work including commissioning.

Jumpering with ACSR panther coductor of all equipments in swicth yard with P.G. clamps & proper size aluminium lugs.

Providing & fixing of connector & L pieces for CT,isolator & T/F which will be required etc.

Shifting carefully & safely 11KV B/C , I/C & O/G switchgear from outside of the switchgear room in proper position and alignment and checking-complete work with Mounting of P.T on incoming Switch gear.

Fixing and making bus bar connections in between all switchgears after cleaning and taping with H.T. Tape, empire tape and PVC tape properly. Providing and fixing of 6 mm thick Bakelite separators and plugging of all opening & holes with plastic compound-complete work including cost of all material (except copper Bus Bars)strictly to the satisfaction of site in- charge.

Fixing and connecting of all outgoing/incoming 11 kv cables with all switchgears and taping with H.T. Tape, empire tape and PVC tape properly(strictly to the satisfaction of site in- charge).

Shifting carefully & installation of 33KV single/double circuit control panel in control room including its grouting.

Earthing of indoor equipments by means of M.S strip 50x6mm & connecting to Pipe boaring type earthing as per RESSPO norms. Joints will be welded with high quality arc welding.

Cable laying 3X300 and above size sq D/C in normal soil by digging of trench 1050 mm deep, 750 mm wide including supply of required material as fine sand, 1st class bricks, stone slab. (All the material required for laying will be supplied by the contractor except XLPE cable). Spare cable shall be left and burried in the trench in the shape of rings at both ends. Cable laying work includes unrolling, cutting, making rings and sealing both ends of the cable.

Cable laying in existing trench S/C all size cable.

Hoisting of 11 KV cable on 11 switchgear & Cable Stand.

High Pressure testing of XLPE cable. Testing equipment will be arranged by the contractor.

Construction of cable trench of size 300x300 mm with welded frame type control cable trench cover suitable for trench including cost of MS/Torr Bar.

Providing and Laying of following size copper, control cable through underground/cable trench/trenching SGR interlinking through proper connections to transformer control panel/protection board /Battery and Battery Charger/Relays 33/11 KV Transformer junction box/ 33KV VCB ,CTs etc as per site conditions.

Providing & installation of control cable tray.

Painting of all structures & equipments.

Carefully shifting of existing panels etc. (which will be required) for making space in the control room as per instruction of site engineer , due to installation of new panels including opening control cable and after shifting reconnection properly with construction of base. (All materials provided by contractor which will be required as control cable etc. for shifting.)

Opening and shifting of 11 KV cable from the existing 11 KV O/G VCB panel to new installed 11 KV O/G VCB panel with hoisting and connecting. (All materials provided by contractor which will be required for shifting as Straight through and Indoor J/K.)

Leveling and cleaning of proposed switchyard including cutting of plants with its roots and dump misc. items as per instruction of site engineer .

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