Supply of Material and Erection for Installation of Additional 5 MVA T/F at 33/11 KV S/S Bhatni Lalganj Distt. Pratapgarh in Additional Business Plan 2024-25 on Semi Turnkey Basis under EDC, Pratapgarh

Supply of Material and Erection for Installation of Additional 5 MVA T/F at 33/11 KV S/S Bhatni Lalganj Distt. Pratapgarh

ERECTION OF WORK AS PER RESSPO NORMS.

Erection of complete structure and 33 KV Line/Bus Isolator in switch yard as per RESPO drawing. Work also includes construction of plinth of size 1.0x0.45x0.45 cum with cement,coarse sand and ballast in ratio 1:3:6 and plastaring of plinth with cement & sand in ratio 1:4 including digging of pits & backfilling. All concreting material like cement, ballast, sand labour & T&P etc.shall be provided by the contractor.

Erection of complete structure and 33 KV lightening arrestor in switch yard as per RESPO drawing. Work includes erection of 3 Nos.33 KV lightening arrestor, its fitting and mounting with care. Grouting of structure with cement, coarse sand and ballast in ratio 1:3:6, construction of plinth size 0.90x0.45x 0.45 cum. Plastering the plinth with cement mortar with cement and sand in ratio 1:4. All concreting material like cement, ballast, sand labour & T&P etc.shall be provided by the contractor.

Cartage & Erection of complete 33 KV VCB with structure in switchyard and grouting of VCB structure by cement, sand, brick ballast mortar in ratio 1:3:4. Work includes complete fitting of VCB on structure carefully with making all connections of control cable for operating the VCB . All other item like cement, concrete material, T&P shall be provided by the contractor.

Cartage & Erection of complete 33 KV C.T (03 NO) with structure in switchyard and grouting of C.T. structure by cement, sand, brick ballast mortar in ratio 1:3:4. Work includes complete fitting of C.T. on structure carefully with making all connections of control cable . All other item like cement, concrete material, T&P shall be provided by the contractor.

Cartage & Installation of 11 KV single/double transformer control pannel & 11 KV Bus Coupler in the switchgear room and grouting the pannel by rag bolt using cement, sand mortar in ratio 1:3. Work includs fitting of all accessories in all respect with complete connection of control cable with pannel. Grouting material will be provided by the Contractor.

Cartage & Erection of 33 KV post Insulators with complete structure in Switch yard as per RESPO drawing. Work includes Installation of 2X3 Nos. 33 KV Post Insulator on each structure complete as per schedule, grouting of Structure with Ist class brick ballast in the ratio of 1:3:6, plastering in the ratio of 1:3 on plinth size 0.90x0.45x0.45 Cum. The work is to be done strictly as per RESPO drawing. All the material like post Insulator cap, Cement, concrete material used for above work will be provided by the Contractor.

Construction of complete T/F plinth size 3mx3m x 0.3 Mtr. above the ground level and 0.75 Mtr. deep foundation made as per drawing. Top of plinth is to be C.C. work in the ratio of 1:3:6 fitted with 3 Mtr. long, 90 lbs, 2Nos. rail pieces. Cement mortar is to be used in 1:3 ratio. Cement, concrete material, bricks used in plinth shall be supplied by the contractor. 6” stone grit is to be laid before foundation start for whole plinth. All material shall be provided by the contractor.

Cartage & Installation of 33/11 KV 5 MVA T/F on the transformer plinth. This work includes dragging loading, shifting, lifting and complete assembling after placing on the plinth.All special and ordinary T&P is to be arranged by the contractor. Special care is to be taken to avoid tilting of T/F and loss of transformer oil. Any damage in T/F will be chargeable to contractor.

Laying of earth mat through out 33 KV Switchyard area as per RESPO design and drawing provided by the department. The work includes digging of trenches 0.75 Mtr deep as per drawing. Boaring of G.I.pipe (size 2.5 mtr long 40 mm dia & 2.9 mm. thickness) upto 0.5 Mtr below ground level. Connecting all G.I. pipes with the help of G.I. Strips of size 35x6 mm (Approx. 600 Kg) with proper welding with high quality electrodes. All the material shall be provided by the contractor.

Earthing of all Structures erected in the yard with 35x6 mm. G.I. strip in duplicate fully welded at both ends to be connected to the earthmat, necessary G.I. strip. All the material shall be provided by the contractor.

Earthing of 11 KV indoor equipments, switchgears as per RESPO Drawing. with G.I. Strip of Size 50x6 mm, provided by the Contractor.

Special earthing of lightening arrestor structure with 8 Nos. additional 40 mm dia 2.5 Mtr. Long G.I. pipe electrodes/rod by digging 3 Mtr. deep pits and connecting it with L.A. through G.I. Strip 35x6 mm welded at both ends. All the material Like G.I. pipe, G.I. strip shall be provided by the Contractor.

Special earthing of T/F neutral by boring 2" dia 20 feet long G.I. pipe in the wet earth and connecting it with 35x6 mm. G.I. strip to T/F neutral giving half round turn at the T/F. Two separate earthing to be provided to T/F body by connecting it with earth mat by special earthing arrangement for earthing work. Material like strip of size 50x6/35x6 mm and G.I. pipe 2” dia 2.9 mm thick. All the material shall be provided by the contractor.

Cartage & Laying and stringing of ACSR Dog conductor from bus to bar L.A, VCB, C.T., Post insulator and 33/11 KV T/F, Terminal Gantry, Isolator etc. properly with jumpering with P.G. Clamp, T. Clamp and Post Insulator clamp, P.G. clamp, T.clamp. All the material shall be provided by the contractor axcept ACSR Panther conductor.

Painting of all structure and equipment inside the switch yard with two coats of red oxide primer and thereafter two coats of aluminium paint, giving silver white finish, painting is to be done after proper cleaning of the structures. paint, primer, thinner etc. required shall be provided by the contractor himself.

Installation of 24 VOLT BATTERY AND BATTERY CHARGER WITH CABNET in the switch gear room, by grouting base channel 100 x 50 x 6 x 1000mm. Fixing of rag bolt.

Laying of 11 KV 3 x 185 Sqmm. XLPE power cable by digging 0.75 Mtr. deep trench, putting layer of sand in the bottom, ramming it, laying of cable over it RMT and covering the cable from sides and top by laying bricks, finally covering the same by earth and levelling of the same, all the materials, except cable, will be pvovided by the contractor.

Construction of cable trenchs and laying for Control cable for VCB, C.T. & T/F Control Pannel T/F in the switchyard as per direction of engineer. trenchs to be 12” wide and 9” deep. work includes digging, of trench, concreting of the foundation in the ratio 1:3:6 R.B. wall 9” wide with cement mortar 1:4 and plastering inside the trench in the ratio 1:3 and sand filling in the trench. All material except Cable, will be provided by the contractor.

Cartage & Fixing of termination of cable boxes of size 3 x 185 sqmm. XLPE cable. Boxes (6 Nos.) will be of Heat Shrink indoor type and outdoor type and will be supplied by the depatrtment

M/S INDIA ELECTRICALS

Hindustan Electric Work