Installation of Additional 5 MVA Power T/F at 33/11 KV S/S Puraniya and assoicated work On Semi turnkey basis Under Business Plan 2024-25.

Amount

Safe loading &carriage including &proper stacking of following store material from ESC Lucknow /LE store to site of work .

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

11 KV 3x185 sq mm XLPE Cable

11 KV 3x185 sq mm XLPE St/Th J/Kit

11 KV 3x185 sq mm XLPE I/D J/Kit

Panther Conductor

33 KV VCB 800 Amp 750 MVA

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

33 KV CT 200/100/1 amp

ST Pole 9 Mtr Long (Galvanised Bottom)

Rail 105 Lbs 9 Mtr Long

Steel Section

MS Round of 32 mm dia

Earthing rod

Fabrication of switchyard fencing with wire mesh along with Fabrication of one number gate made of MS Angle, MS Channel, MS Flat together with locking arrangement, its Installation including the cost of civil material, angle (All materials provided by contractor)

Earth Laying of earth mat in the switchyard by laying of M.S. Round of 32 mm dia in 500 mm deep trenches with M.S. Round 32mm dia,3 M Long earth electrodes as per drawing. The work includes welding of the M.S. Round ,connecting all steel structures in the switchyard with the earth mat by means of G.I. strips of size 50x6mm as per item below.( M.S. Round bar 32mm provided by Department )

Excavation of earth for laying mat

Driving of earth electrode.

Laying of earth mat (M.S.) Bar including cutting, shaping and binding etc)

Preparation of joints, proper making and welding; of main earth mat bar joints and applying bitumen, bitumen impregnated on joints i.e. End Joints. Cross Joints, Lap Joints.

Welding of riser strip with earth mat and structure body.

Construction of plinth of size 3x4 M for Power T/F having 0.4 M above ground level and 0.9 M 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 mortar 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 structure as per RESSPO Norms. (steel material provided by deptt.)

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

Construction of plinth of size 2.0 M x 1.5 M x 0.9 M 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 mortar 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, 5 MVA 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 Mortar 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 & erection 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.

Assembling and 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 contractor).

Installation of 33KV VCB- complete work including commissioning.

Jumpering with ACSR panther conductor of all equipments in switch 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).

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

Cable laying 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 buried 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.

Provided and Fixing of LED flood lamp complete fittings, (standard quality ISI mark with water tight fittings, elbow etc.)on above supports.

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 copper control cable 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.)

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

Soil filling in the proposed switchyard. (15x15x.3) M cube.

Dismantling and Re-installation of Existing structure and equipments

GST SHALL BE PAID EXTRA

PRACHI ENTERPRISES