Supply of Materials and Erection for Increasing Capacity of 33/11 KV S/S Dahi (1x5 to 1x10 MVA) and Hathigan (2x5 to 10 Plus 5 MVA) Distt. Prayagraj in Business Plan 2024-25 on Semi Turnkey Basis under EDC-I Prayagraj

ERECTION OF WORK AS PER RESSPO NORMS.

Increasing Capacity of S/S Dahi (1x5 to 1x10) MVA and Hathigan (2x5 to 10+5) MVA Distt. Prayagraj

Erection of complete structure for 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.labour T&P which shall be provided by the contractor. 33 KV lightening arrestor Provided by the Department.

Erection of complete 33 KV VCB with Singl Control Pannel with structure in switchyard and grouting of VCB Structures. C.T. Structure by cement, sand, brick ballast mortar in ratio 1:3:4. Work includes complete fitting of VCB and C.T. on structure carefully with making all connections of control cable for operating the VCB and C.T. Only VCB, C.T., Battery and battery chargar and their structure shall be provided by the department. All other item like cement, concrete material, T&P shall be provided by the contractor. Work also includes installation and commissioning of Battery and Battery charger.

Installation of 33 KV transformer control pannel 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.

Repairing of Existing T/F plinth size 4.46 x 3.46 x 1.0 Mtr.

Dismantling of Switchyard fencing for safe shifting of old 5 MVA power T/Fs

Safe Shifting & dragging of old 5 MVA T/F from inside to out side of Switch Yard after detaching its accessories i.e. Radiator, conservator etc and empting the T/F i.e taking out the T/F oil and disconnecting all 33 KV and 11 KV connections as well as dismantling of 11 KV cable stand and neutral stand. All tools & T&P shall be provided by the contractor.

Safe shifting and dragging of 5/10 MVA Power Transformer from outside of Switch Yard to inside of Switch Yard taking precautions to avoid damage of bushings of Transformer and other accessories. All tools, T&P etc shall be provided by the contractor.

Erection of 5/10 MVA Power Transformers on plinth, fixing of all accessories like radiator, conservator tank etc. complete and filling of T/F oil in Transformer complete in all respect.

Special earthing of neutral and body of 5/10MVA T/F with the help of 3 Nos.G.I. pipe 40 M.M. dia. length 20 feet. G.I. pipe for making of delta, and 2 nos for body earthing complete in all respect and connected with 50x6 m.m GI Strip. G.I. Pipe, G.I. Strip etc. required for completion of work in all respect shall be provided by the Contractor.

Earthing of 11 KV indoor equipments, switch gears as per RESPO Drawing. with G.I. Strip of Size 50x6 mm, provided by which will be the contractor.

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.

Laying of 11 KV 3 x /120/185/300 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 provided by the contractor. Rates may be quoted per RMT

Cartage of materials from store center Naini to site, like all Sub station structure, 11 KV Switch gears, Earth mat material, poles, station T/F, All Equipment (TPMO, LA, Fuse set, C.T, P.T. Isolators, VCB, Conductor, Cable, etc.)

11 KV 3 x 120/185/300 Sqmm. Joniting Kits

Indoor

Outdoor

Laying of following copper control cable form C.T. T/F to transformer control pannel/protection Board. All control cable shall be supplied by the contractor.

Following items shall also be provided by the contractor at the Sub-station.

Hand Gloves

Rubber Matting

M/s Samdariya and Company