Increasing Capacity of 33 KV SS Sector-126, Noida

Line Isolator Structure Fabrication of structure, including cutting, straightening & drilling of holes in Channel/Angle

Excavation of earth 2x(1.10x0.60x1.00)

Supply & fixing of stone pad of size 300x300x75mm

Erection of Line isolator structure in proper alignment

Grouting of structure in C.C ratio 1:3:6 2x(1.10x0.60x1.00)

Making plinth by C.C ratio 1:3:6, in size 2x(1.10x0.60x0.30)

12mm thick plastering on plinth in ratio 1:4 of size 2x(1.10x0.30)x2+2x(0.60x0.30)x2+2x(1.10x0.60)x1

L.A.'s, P.I.'s, C.T's, Fuse Set Unit structure:- Fabrication of structure, including cutting, straightening & drilling of holes in Channel/Angle

Excavation of earth 2x(0.90x0.90x1.00) x1+2x(0.45x0.45x1.00)x3

Supply & fixing of stone pad of size 300x300x75mm

Erection of Line / Bus isolator structure in proper alignment

Grouting of structure in C.C ratio 1:4:8 2x(0.90x0.90x1.00)x1+2x(0.45x0.45x1.00)x3

Making plinth by C.C ratio 1:3:6, in size 2x(0.90x0.90x0.30)x1+2x(0.45x0.45x0.30)x3

12mm thick plastering on plinth in ratio 1:4 of size 2x(0.90x0.30)x2+2x(0.50x0.30)x2+2x(0.90x0.50)+2x(0.45x0.30)x3x2+2x(0.45x0.30)+2x(0.45x0.45)x3

33KV Cable support structure. Fabrication of structure, including cutting, straightening, drilling of holes and electric welding.

Excavation of earth (0.60Mx0.30Mx1.0M)x2

Erection of 33KV cable support structure in proper alignment with stone Pad.

Grouting of size (0.60Mx0.30Mx1.0M) with C.C. in ratio 1:4:8 (cement, sand, 20mm Stone grift)x2

Supply & fixing of stone pad.

33KV Cable laying. Digging of Cable Trench of size 1050mmx750mm, for laying of 33KV, 3x300Sq.mm. Cable, along the Road.

Safe laying of 33KV, 3x300Sq.mm. XLPE Cable in Cable Trench to respective Double Pole.

Providing & Laying of Ist Class Bricks, along the length on both side of 33KV XLPE Cable in Cable Trench (minium 27No. Bricks/Mtr per Cable) and Stone Slab of size 450x600x50mm on top of the each Cable, including providing & filling River Sand inside the Bricks as per specification.

Back filling of excavated earth in the cable trench upto the ground level and ramming properly.

Making of 33KV Outdoor type cable end termination by heat shrinkable XLPE Cable Jointing Kits and crimping with proper size aluminium lugs. Work includes providing Aluminum lugs, insulating tapes etc as per specifications.

Laying of 33KV, 3x300Sq.mm XLPE Cable in the air and mounting and clamping 2No. 33KV XLPE Boxes on double pole structure and making connection with 33KV over head line at both ends.

Earthing of Outdoor Equipments in Switchyard, details as given below:- Digging of Trench of size-0.50x0.75x69M.,for laying of Earth mat throughout in switchyard and re-filling &ramming of the same earth in the to the trenches after completion of earth mat work.

Laying of 32mm.dia M.S.Bar in Trench, properly in alignment along the length and width in switchyard.

Cutting of 32mm.dia M.S.Bar-3M.long and making one end in conical shape, by forging process and driving it into the earth, in trench at fixed distance as per drawing and properly welding with M.S.Bar Earthmat.

Proper continuous electric welding of overlap joints of M.S.Bar upto a length of 150mm. On both sides,along the length of M.S.Bar and an extra piece of 12mm M.S.Round-150mm.long, providing on both sides of Overlap Joints and continuous electric welding on both side, along the length of M.S.Bar. All joints shall be painted with black bituminous paint.

Proper electric welding at X-joints of M.S.Bar and welding by providing 25x6mm.”U” type Clamp of M.S.Flat, and proper continuous electric welding with M.S.Electrode and M.S.Bar at each X-joints. All joints shall be painted with black bituminous paint.

Providing & laying of G.I.Strip of size 50x6mm for connecting the earthmat with each equipment (Terminal Gantry, Bus Gantry, Bus Isolators, Line Isolator, 33KV C.T., 33KV V.C.B., L.As., Fuse Set, Post Insulators, T/F Body & its neutral and M.S.Frame of Cable Supporting Structure), various steel structures. The work also includes cutting, bendidng, straightening, over-laping and welding the earth strip with earth mat and by using high quality arc welding in already digged trenches.

Earthing of indoor equipment, details as given below:- Cutting of 32mm.dia M.S. Bar-3Mtr.long and making one end in conical shape by forging process and driving it into the earth at each corner of bridge outside control room and proper welding with M.S.Bars.

Digging of Pits for making Bridge on both side of control room by laying 32mm. dia M.S.Round in rectangular shape. Electric welding on cross joints by providing “U” Clamp in size 25x6mm. of M.S.Flat and inter connecting both by M.S.Round 32mm.dia through control room trench, with over lap joint by providing M.S.Round-12mm dia, on both sides of over lap joints of M.S.Round, by electric welding. All joints shall be painted with black bituminious paint.

Making earthing of all 11KV Switchgears, P.T. and other equipments on both earth terminal inside the control room by providing G.I.Strip in size 50x6mm. with 32mm. dia M.S.Round laid in trench with proper electric welding.

Painting of G.I.Earth Strip of size (50x6) mm with two coats of ISI mark synthetic channel green paint.

Supply & laying of G.I. Strip size 50x60mm for earthing of outdoor & indoor equipment

Erection of 11KV Switchgears in proper alignment, in Control Room, including safe shifting, from Dump Place. Making 4No. Pockets for each and providing/fixing of Reg Bolt by CC in ratio 1:2:4, with tightening also, including safely mounting of 11KV P.T. on 11KV I/C Switchgear, filling of oil (if required), making all electrical connections. 11KV Incoming VCB 600/300/5A, 350MVA

11KV Outgoing VCB 200/100/5A, 350MVA

Plinth for 5 MVA Transformer Construction of plinth for 5 MVA, 33/11 KV Transformer of (3.46x4.46x1.0)m (0.50m below ground level and 0.5 m above ground level) as per details & drawing attached:- Excavation of earth (3.7x4.7x0.5)m

Flooring of plinth in C.C. 1:4:8 (cement, sand & brick ballast) for making foundation bed. Size (3.7x4.7x0.15)m.

1st Class brick work for side walls size 0.345 m wide upto 0.3m height and 0.23 m wide upto 0.35 m height cm C.C. ratio of 1:4 (cement & fine sand)

Filling of brick ballast in plinth in ratio 1:4:8 (cement, coarse sand & brick grift) with proper ramming. Size (3.0x4.0x0.65)m.

R.C.C. work on the top of plinth in ratio 1:2:4 in (3.46x4.46)m size and 0.20m in thickness by using M.S. Tor of 12 mm dia. 12 Nos. in each direction across to each other. The work also includes cutting, bending of M.S. Tor etc.

Quantity of M.S. Tor of size 12 mm dia required for reinforcement of plinth in R.C.C. work, work also includes cutting, winding and laying etc. in the T/F plinth.

Grouting of 02 Nos. 90/105 lb. Rail pieces of 3.46m long and (50x50x6)mm M.S. Angle in R.C.C. work at the top of plinth work also includes cutting of rail and angles pieces etc.

12mm thick plaster with cement mortar ratio 1:4 (cement & fine sand) of plinth of 0.4m upper side.

Plinth for 33 KV V.C.B. Construction of plinth for the structure of 33 KV VCB & C.T.'s as per details for 01 No.:- Excavation of earth of size (2.4x1.5x1.0)m pits for construction of plinth.

Brick Ballast ratio (1:4:8) (cement, sand & brick grift) for foundation work (2.4x1.5x0.15)m plinth.

R.C.C. work in ratio 1:2:4 cement, coarse sand & stone grift of 20mm size for making plinth of size (2.4x1.5x1.0)m and grouting of foundation bolts 04 Nos. for 33 KV VCB.

12mm thick plaster with cement mortar in ratio 1:4 (cement & fine sand) of plinth of 0.4m upper side size (2.4x1.5x0.4)m.

Construction of Control cable trench as per details Excavation of earth in size 0.650x0.40m.x30Mtr

C.C. work in foundation in ratio 1:3:6 (cement, sand & stone grift) with proper ramming in size 0.65x0.15 mtr.)

First Class Brick work in cement mortar in ratio 1:4 in size 0.115/0.23x0.32 Mtr.

25mm thick C.C. in floor of Cable Trench in ratio 1:2:4 (cement, coarse sand and stone grift) 20mm gauge in size 0.3 mtr. width.

Grouting of M.S. Strip of size 450x25x6mm in cable trench 100mm above floor level and at equal space distance 300mm.

Grouting of M.S. Angle Iron of size 50x50x6mm in upper edge of trench.

Plastering of Trench in Cement, Mortar in ratio 1:4, 12mm thick in cable trench.

Fabrication and fixing cable trench cover of M.S. Angle Iron size 50x50x6mm of size 0.3m wide 0.5 to 1.0 mtr. length with proper welding of 8 mm size of bar 2 Nos. in length and 6 Nos. in width. (i) 0.5 Mtr. Long

(ii) 1.00 Mtr. long

Painting of Structures Painting of structures with one coat of ready mixed primer and two coats of ISI Mark Aluminium paint after rubbing with sand paper to the surface of the structure including labour and T&P complete in all respect.

Installation of 33/11 KV, 5 MVA Transformer Safe Shifting of available 5 MVA, 33/11 KV, Transformer to transformer plinth in Switch Yard.

Erection of shifted Transformer at plinth by fixing all accessories like radiators, conservator tank, filling the transformer oil to desired level and ensuring that there is no leakage, complete job in all respect.

Water level earthing by Boring and lowering of G.I. pipe size 40 mm dia & thickness 2mm into the ground at 20 Mtr depth or upto the water level with the lower end of solid copper cone Approx 225 mm long and 750 gm in weight shall be provided and screwed in pipe as well as bringing out a continuous copper wire 6 SWG from the cone up to the ground surface where it will be bolted to the M.S. earth Strip for Transformer neutral connection, the earth strip will be welded to the G.I. pipe and neutral earthing support.

Fabrication and erection of neutral earthing L Type support made of M.S. Channel size 100x50mm. Structure shall be 4 Mtr. long with 1 Mtr. Arms. Structure shall be grouted in ratio 1:3:6 in block size 300x300x700mm and painted with one coat of Ready Mixed primer and Two coat of enamel Aluminium paint work includes connecting neutral bushing rod of power Transformer and M.S. Earthing strip with the help of flexible copper bond, M.S. Bolt and washer with stone Pad of size (300x300x75mm).

Fabrication and erection of cable support made of two pieces of M.S. Channel (100x50x6)mm, 2.75 meter long, joined to each other by means of 5 Nos. M.S. Angle (50x50x6) mm pieces of size 0.5Mtr long each by welding at equal intervals and grouting in a block of size (300x300x700)mm in C.C. 1:3:6 complete with one coat of ready mixed primer and two coats of Al. paint. Work includes providing of three Nos. M.S. clamps made of (50x6)mm M.S. Flat for holding the cable including nuts and bolts with stone Pad of size (300x300x75mm).

Fabrication and grouting of M.S. frames 3.60 mt. long for support of copper Bus Bar. Bus Bar will be provided in L.V. side of Power transformer. The M.S. frame shall be made of M.S. channel (100x50)mm in 'T' shape. Providing 2 Nos. support of M.S. Angle iron (50x50x6)mm, 0.60mt. long below the top channel, drilling of 3 Nos. hole on the top channel for fixing of 11 KV pin insulator. The M.S. frame shall be painted with one coat of primer & two coat of aluminium paint and grouting the frame in C.C. ratio 1:3:6 in a block of size (300x300x700) mm with stone Pad of size (300x300x75mm). The work also includes the fixing of 3 Nos. 11 KV pin insulator with pin and binding the copper Bus Bar with the pin insulator by Aluminium binding wire in complete.

Supply & Fabrication of copper bus bar of size (2500x50x6)mm in L.V. side of 5 MVA 33/11 KV, power transformer, Work includes connection of outside bus bar in L.V. side busing rod of Power Transformer and other side with outdoor 11 KV cable box as well as providing empire tape and H.T. tape etc. for proper insulation work.

Installation of 11 KV Switch Gears in Control Room Safely mounting of 11 KV PT on 11 KV incoming switch gear filling of oil (if required) making all electrical connections and testing & commissioning of work.

Proper fixing and making bus bar connection in between two switch gears after proper cleaning. Work also include proper insulation, taping by empire, PVC and H.T. tape etc.

Laying 11 KV, (3x300) mm2/(3x400) mm2 XLPE, Cable from power transformer to 11 KV incoming switch gear in the cable trench 0.45 m wide, 0.90m depth. Providing 150 mm local sand for cushion beneath and 150 mm above the cable (quality of local sand required 0.375 cum/m in length). The cable shall be dully protected by brick. On both side of cable by laying brick vertically and bricks would also be laid bricks along the cable (minimum 18 Nos. of bricks are to be laid top and outer side along the cable. The work includes digging of trenches, laying of cable in under ground trenches, joining of terminal's, back filling of earth and testing and commissioning of power cable etc. Spare cable shall be left over and laid in the trenches in shape of 6 m ring at both ends.

Laying and dressing of 11 KV 3x300 mm2/3x400 mm2 power cable in air/Trench.

Laying of 11KV XLPE cable of size 3x185mm² details as given below. Digging of trench of size 700x1000mm for laying of 11KV cable by making loops.

Supply & filling 150mm thickness local sand for cushion beneath and 150mm above the cable quantity with local sand.

Safely laying of 02Nos. (Double Ckt) 11KV 3x185mm² XLPE cable in cable trench/Loop

Laying of Ist class bricks along the length of cable on both sides and fixing stone slab 650x450x40mm as a top cover over the laid XLPE cable in trench.

Back filling of excavated earth in the cable trench up to the ground level and ramming properly.

Supply & laying of HDPE Pipe PE-80, PN-6, DN-160 as per IS : 4984/1995/Latest amendment (Pipe to be laid by HDD Methed).

Safe laying of 11KV 3x185Sq.mm XLPE cable by HDD (trenchless) method in laid HDPE Pipe of 150mm Dia.

Safe laying of 11KV 3x185Sq.mm XLPE cable in Air on D/P structure.

11KV Cable laying in existing Pucca trench

Construction of 11 KV Double Poles: Erection and grouting of 2 Nos. STP-55-11Mtr long for making DP Structure including fabrication fixing of M.S. Channel, M.S. Angle, TPMO, Fuse Set, disc, insulators, pin insulators etc. the work includes supply and fixing of necessary clamps with nuts, bolts and washers. The work also includes grouting of Double pole support in C.C. 1:3:6 (cement, sand & stone grift) in block of size (0.45m x 0.45 x 1/6 length of the pole) including earthing of Double pole with M.S. earthing rod complete in all respect.

Making plinth of D/P support in CC 1:3:6 of size 0.5Mtr dia & .30 mtr. In height complete with all labour T&P etc.

Providing and fixing 110mm dia 2mm thick 3M long G.I.Pipe over 11KV, 3x185Sq.mm XLPE Cable before mounting the 2No. Cable on double pole. Work includes fixing of Clamp, sealing of top and bottom end of the G.I.Pipe. One end of G.I.Pipe is to be buried under earth about 500mm.

Preparation of 11 KV Power Cable ends: Making of 11 KV XLPE Heat shrinkable Out door jointing kits after duly plumbing and taping of cable, providing, fixing and crimping of proper size good quality lugs.

Making of 11 KV XLPE heat shrinkable indoor jointing kits in switch gears after carefully removing the insulation of cable, providing and crimping of proper size of lugs, plumbing and taping of cable with good quality available insulation tape with J/Kit boxes, Fixing and insulating of lugs on cable with switch gear complete in all respect.

Installation of 24V Battery and Battery Charger: Assembling and installation of the cabinet of 24V battery and battery charger in switch gear control room including grouting of foundation bolts as per drawing of manufacture, including providing the foundation nuts and bolts of proper size. The electrical connection between battery and battery charger with flexible copper lead of size 7/20 SWG shall be provided & done properly by the contractor. The work includes installation, wiring upto control panel, testing and commissioning complete in all respect.

Providing & Laying of 2x2.5mm2 control cables i.e. from Buchholz realy to Marshalling box Marshalling box to indication protection board in switch gear room, 33 KV CT's to CT's Junction Box, CT 33 KV, V.C.B. Control Panel Junction Box to 33 KV VCB control panel and control panel to 33 KV VCB outdoor operating mechanism panel from T/F etc. in the cable trench including making proper connection at Buchholz Relay, Marshalling box and indication board as per required for installed equipment.

Providing & Laying of 4x2.5mm2 control cables i.e. from Buchholz realy to Marshalling box Marshalling box to indication protection board in switch gear room, 33 KV CT's to CT's Junction Box, CT 33 KV, V.C.B. Control Panel Junction Box to 33 KV VCB control panel and control panel to 33 KV VCB outdoor operating mechanism panel from T/F etc. in the cable trench including making proper connection at Buchholz Relay, Marshalling box and indication board as per required for installed equipment.

Providing & Laying of 6x2.5mm2 control cables i.e. from Buchholz realy to Marshalling box Marshalling box to indication protection board in switch gear room, 33 KV CT's to CT's Junction Box, CT 33 KV, V.C.B. Control Panel Junction Box to 33 KV VCB control panel and control panel to 33 KV VCB outdoor operating mechanism panel from T/F etc. in the cable trench including making proper connection at Buchholz Relay, Marshalling box and indication board as per required for installed equipment.

Installation of 33 KV Lightning Arrestors: Installation of 33 KV Lightning Arrestors: Assembling and installation/mounting of 3 Nos. lighting arrestors on the L.A.'s structure/terminal gentry, complete with earthing and line connections. The work includes fabrication for proper fixing, if required.

Installation of 33 KV Post Insulators: Installation of 3 Nos. PI on structure. The work includes fabrication for proper fixing, if required.

Installation of 33 KV Fuse Set: Assembling and installation of fuse set on the fuse set structure. The work includes fabrication for proper fixing, if required.

Installation of 33 KV VCB Assembling and installation of 33 KV VCB on the VCB out door structure on the plinth. Adjustment of operating mechanism in proper alignment for smooth operation of the same. The work also includes fabrication of addition arrangement for proper fixing, if required.

Installation of 33 KV C.T.'s: Installation of 3 Nos. C.T.'s on the C.T's structure. The work includes fabrication for proper fixing, if required to complete the work.

33 KV CT's Junction Box: Providing & fixing of junction box of size (400x400x150) mm made of M.S. sheet of 16 SWG in between 33 KV CT's & control panel. The work also include making proper connection on the junction box and making all connection in between CT's and control panel complete as per manufacture's panel drawing including testing and commissioning of work etc. complete the work.

Installation of 33 KV VCB Control Panel Carefully and safely shifting of 33 KV VCB control panel from outside of the switch gear room to inside of the switch gear room, grouting with anchor bolts in the floor, work also includes cutting & proper finishing of floor if necessary for completion of work. Placing and fixing of panel on foundation, bolts of proper size in proper position and alignment.

Jumpering, including clamping/binding with ACSR Dog conductor: 33KV Post insulator structure to 33KV Post isolator structure.

33KV Bus Bar to 33KV Post insulator

33KV Post insulator to 33KV Bus isolator structure.

33KV Bus isolator structure to 33KV VCB

33 KV VCB to 33 KV C.T.

33 KV C.T to 33 KV Fuse Set

33 KV Fuse set to 33 KV L.A.

33 KV L.A. to 33/11 KV Power T/f

Construction of S.S.Os. Approach Road-1.2M wide in switch yard by laying dry brick-ballast in 15Cm layer, 115mm thick brick work 1:4 in both side of edge, providing 10Cm thick CC in ratio 1:2:4. the work includes proper plastering top & side of road and making groove, leveling & dressing of earth beneath the brick work on edge.

Supply & fixing of Dog to Dog P.G.Clamps such as Isolator, LA, Transformer end clamp, fuse set, post insulator, PG clamp etc. complete with nut, bolt & washer.

Testing & commissioning of Power T/F and all 33KV & 11KV switchgears / Panels. providing required No. of technicians with proper testing equipments during commissioning & energisation.

Loading, Safe carriage & unloading of following stock material from any stores centres under PVVNL, depending upon the availability of material at Stores Centres, with loading & unloading at both ends respectively. Steel, 3.5Mtr long Rail Pieces, Angle channel, Conductor, M.S.Round etc.

Bus/ Line isolator

11 KV Switch gear

Fuse set

33 KV VCB

33 KV control panel

11 KV Cable

Control cable

11KV cable J/kit 3x185mm² / 3x300mm²

33KV 3x300Sq.mm2 cable

33KV cable J/kit 3x300mm²

STP-SP-55-11Mtr

33KV Post insulator

Painting of S/S Structure

Safe dismantling of existing switchyard fencing and fabrication & reinstallation of dismentled fencing (including gate) new location as per site.)

Safe Dismantling of 02 Nos. old double Pole

Installation of 33KV line isolator: Assembling & installation of line isolator on the line isolator structure. The work includes fabrication for proper fixing, if required.

Breaking of RCC Floor

M/S RAGHAV and BROTHERS