Supply of Material and Erection for Installation of Additional 5 MVA T/F at 33/11 KV S/S Soraon, Phoolpur Tahseel and Serawan Distt. Prayagraj in Business Plan 2024-25 on Semi Turnkey Basis under EDC-II, Prayagraj

Supply, Carriage & Erection of Materials for Installation of Add. 5 MVA T/F at 33/11 KV S/s Soraon, Phoolpur Tahseel and Serawan Distt. Prayagraj

A- Supply of De-Centralised Materials

Control cable 4x2.5 mm2

Control cable 2x2.5 mm2

11 kv Cable Jointing kit 120 mm.sq.

11 kv Cable Jointing kit 185 mm.sq.

33 kv Cable Jointing kit 3x300 mm.sq.(Outdoor)

Rabber Matting

Earth Wire Clamp for PCC Pole

Stay Clamp for PCC Pole

Top channel Clamp for PCC Pole

Dropper channel Clamp for PCC Pole

G.I. Strips of size 35x6 mm

G.I. Strips of size 50x6 mm

G.I. Pipe 2" dia (wt- 1.45 kg/ft)

PG Clamp for dog conductor

B- Carriage of following material

PCC Pole 8.5 Mtr. Long-12 No., Structure of LA-03 No., 33kv Isolator-04 No., 33 KV CTs-09 No., Single T/F Control Pannel-03 No., 33kv VCB -03 No.,11 KV Outgoing-06 No. Incoming Pannel-03 no, Battery & Battery Charger-03 no and other associated accessiories etc. (availibility at concern store center of store division)

C- Erection work

Construction of complete T/F plinth size 3mx3m x1.05 Mtr. (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. Except rail pieces all material shall be provided by the contractor .

Erection of complete structure and 33 KV Bus Isolator (before and after bus bar as required) in switch yard as per RESPO drawing. Work also includes construction of plinth of size 0.45x0.45x1.0 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 0.45x 0.45x0.90 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.

Erection of 33 KV post Insulators with complete structure in Switch yard as per RESPO drawing. Work includes Installation of 1X3 Nos. 33 KV Post Insulator on 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 0.45x0.45x0.90 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.

Erection of complete 33 KV VCB with structure 0.7x0.7x1.05 cum. (0.3 Mtr. above the ground level and 0.75 Mtr. deep foundation or made as per requirement.) 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.

Erection of complete 33 KV C.T (03 NO) with structure (0.45x0.45x0.90) cum. 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.

Installation of 33 KV single transformer control pannel, 1 No. Incoming and 2 No. Outgoing 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. All material will be provided by the Contractor except VCB and CRP.

Construction of cable trenchs with top cover and laying of control cable for VCB, C.T. & T/F Control Pannel etc. 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 will be provided by the contractor.

Earthing of all Structures (as LA. CT, VCB, Isolator, etc.) erected in the yard with 35x6 mm. G.I. strip fully welded at both ends and to be connected with earthmat, .

Earthing of 11 KV indoor equipments, switchgears as per RESSPO Drawing. with G.I. Strip of Size 35x6 mm. G.I. strip fully welded at both ends and to be connected with earthmat,

Earthing of T/F neutral with G.I Pipe (Specification - 2" dia 60 feet depth) Up to wet earth, making delta with space of 02 feet and connecting it with 50x6 mm. G.I. strip to T/F neutral giving half round turn at the T/F.

Two Separate body Earthing of T/F with G.I Pipe (Specification - 2" dia 60 fit depth) Up to wet earth and connecting it with 50x6 mm. GI strip.

Erection of DP with PCC pole 8.5 mtr long with all accessaries and Grouting of the PCC Pole with cement, sand and brick ballast ratio 1:4:8 size 0.45x 0.45x 1.5 mtr deep under the ground as per drawing No. RES-6.(Cement, sand, brick, ballast shall be provided by the contractor.)

Laying and stringing of ACSR Dog conductor from bus to bar L.A, VCB, C.T., Post insulator and 33/11 KV T/F, Isolator etc. properly with jumpering with P.G. Clamp, . PG Clamp shall be provided by the contractor except ACSR Dog 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 cabinet in the switch gear room, by grouting base channel 100 x 50 x 6 x 1000mm. Fixing of rag bolt.

Laying of 33 KV/11 KV 3x300/3x185/ 3x120 Sqmm. XLPE 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.

Fixing and termination of Outdoor/ Indoor Heat shrinkable Cable boxes of size 3 x300/3x185/3x120 sqmm. XLPE cable. Boxes will be supplied by the Contractor

Commissioning of the Power transformer protection33KV VCB's and 11KV VCB's CT&CRP.

Fabrication and grouting of cable stand for power transformer

Sundries( as per site requirement/emergency work)

M/S Prakash Enterprises (BID ID -5012856)

Shiv Enterprises (BID ID -5009736)