10/ECWD/SRE/2022-23

Safe carriage of with loading & unloading at both ends respectively. (under jurisdiction of PVVNL) i) 33 KV lightening Arrestor

ii) ACSR Dog Conductor

iii) M.S. Channel (100×50)mm

vi) M.S. Angle (65×65×6)mm

v) 24 'V' Battery with Battery Charger & Cabinet

vi) 33 KV post Insulators

vii) M.S. Round of 32 mm² for Delta Earthing

viii) 11KV cable J/kit 3x300mm² (Indoor)

ix) 11KV cable J/kit 3x300mm² (Outdoor)

xi) 11 KV Cable 3×300mm²

Miscellaneous Civil works of Increasing Capacity of 33/11 KV Substation RAIPUR-2 (Saharanpur) from (1×5) MVA to (1×10) MVA. Renovation of Transformer Plinth i) Providing and making RCC work on top of plinth in Ratio 1 : 2 : 4 (3.46×3.46)mtr size of 0.10 Mtr in thickness. The work also include proper ramming of surface.

ii) 12 mm thick plaster with cement mortar ratio 1:4 (cement & fine sand) of plinth of 0.5 M above ground level.

iii) Neat cement Coating of 3 mm thick on top surface of Plinth of Transformer.

Hiring of D/G Set including carriage, loading, unloading & operating charges (with fuel) at 33/11 KV Substation under construction in case L.T. supply is not available near S/S within prescribed accessible limit. 63 KVA, Three phase, D/G Set for fabrication of different structure at Substation.

Dismantling of Existing ( 5 MVA-1 Nos) Transformer Kept at suitable place outside switchyard i) Disconnecting HT cable connection from 33KV side & 11KV side of 05MVA Power transformer for removing power transformer from plinth after proper shutdown. Dismantling of 11KV cable support structure, copper bus bar structure, M.S.Frame etc.

ii) Disconnecting copper flexible/Earthing strip from Power transformer neutral & Dismantling neutral earthing system to facilitate removal of Power transformer from plinth.

iii) Disconnecting Earthing strip from body of 05MVA Power transformer.

iv) Draining of transformer oil from conservator, radiators of existing 05 MVA T/F, at 33/11 KV S/S Raipura- 2 (Saharanpur) into the dry & clean drums and stacking at the safe place in Substation outside of switchyard. Empty drums shall be provided by contractor.

v) Removal of conservator, radiators and other accessories from existing 05 MVA Power transformer.

vi Safe Shifting of 05 MVA Power transformer main body and other accessories from the substation switchyard to outside the switchyard at suitable place assigned by concern J.E/S.D.O (Distribution).

vii) Re-assembling of conservator, radiators and other accessories to existing 05 MVA Power transformer.

viii) Re-filling the transformer oil (old & used in existing 5MVAT/F)

Miscellaneous Electrical works of Increasing Capacity of 33/11 KV Substation RAIPUR-2 (Saharanpur) from (1×5) MVA to (1×10) MVA. Installation of 33/11 KV, 10 MVA Transformer : i) Shifting of available 10 MVA 33/11 KV, Transformer to transformer plinth in Switch Yard.

ii) 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.

iii) Connecting of 33 KV side and 11 KV side connection of Installed 10 MVA Transformer.

Water level earthing by Boring and lowering of G.I. pipe size 40 mm dia & thickness 2mm 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 G.I. earth Strip for Transformer neutral connection, the earth strip will be welded to the G.I. pipe and neutral earthing support.

Installation of switch yard structures : i) 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 0.75Mtr long each by welding at equal intervals and grouting in a block of size (300x1000x1000)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).

ii) 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.

iii) Supply & Fabrication of copper bus bar of size (2500×50×6)mm in L.V. side of 10 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.

H.T. Power Cable Laying : i) Laying 11 KV, (3x300) 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 single 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.

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

Preparation of 11 KV Power Cable ends: i) Making of cable end termination by Heat shrinkable Out door jointing kits suitable for 11KV, 3x300q.mm XLPE cable. Providing, fixing and crimping of proper size good quality lugs complete in all respect.

ii) Making of cable end termination by Heat shrinkable indoor jointing kits suitable for 11KV, 3x300Sq.mm XLPE cable. Providing, fixing and crimping of proper size good quality lugs complete in all respect.

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

Installation of 33 KV Post Insulators : Installation of 03 Nos. Post Insulators on structure. The work includes fabrication for proper fixing, if required.

Installation of 24 V Battery and Battery Charger : assembling and installation of the cabinet of 24 V 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 charge with flexible copper lead of size 7/20 SWG shall be done properly. The work includes installation, wiring upto control panel, testing and commissioning complete in all respect.

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

Earthing of outdoor equipment, details as given below:- i) 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.

ii) Digging of Pits for making delta by laying 32mm. dia M.S.Round in tringle shape. Electric welding on cross joints by providing “U” Clamp in size 25x6mm. of M.S.Flat, 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.

iii) Making earthing of 33KV LA, Neutral link structure, Power T/F body (both side) by providing G.I.Strip in size 50x6mm. with 32mm. dia M.S.Round laid in trench with proper electric welding.

iv) Making proper earthing of other structure such as, 33KV VCB, CT's, L.A, P.I, Cable support structure, Bus isolator by laying G.I.Strip size (50x6)mm for connecting the earth mat. The work also includes digging of earth, cutting, bending, tening, over laping and welding the earth strip with earth mat by using high quality are welding and paints of joints with black bituminous paint in already digged trenches.

v) Supply & Painting of M.S..Earth Strip of size (50x6) mm with two coats of ISI mark synthetic channel green paint.

vi) Supply of M.S. Strip size 50x60mm for earthing of outdoor & indoor equipment

Painting of Structures Providing & Painting of the following structure 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. i) Post Insulator unit.

ii) Cable support structure and Neutral support structure, M.S.Frames.

iii) Bus Bar support structure

Providing & fixing of following 33 KV connecting clamps duly casted made of aluminium alloy complete with G.I. Nut, bolts, washers and spring washers suitable for ACSR Dog Conductor i) 33 KV Transformers Clamps

ii) 33 KV Post Isolator Clamps

Providing proper Rubber Mat of size 1.0m×2.0m×0.02m.

M/S KUMAR TRADERS KAKA NAGAR