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Supply Of Material And Erection For Installation Of Additional 5 Mva T/F At 33/11 Kv S/S Hata Distt. Prayagraj In Business Plan 2023-24 On Semi Turnkey Basis Under Edc-I, Prayagraj - Supply, Carriage & Erection of Materials for Installation of Add. 5 MVA T/F at 33/11 KV S/S Hata Distt. Prayagraj 2 A- Supply of De-Centralised Materials 3 Control cable 4x2.5 mm2 4 Control cable 2x2.5 mm2 5 11 kv Cable Jointing kit 120 mm.sq. 6 11 kv Cable Jointing kit 185 mm.sq. 7 Rabber Matting 8 Earth Wire Clamp for PCC Pole 9 Stay Clamp for PCC Pole 10 Top channel Clamp for PCC Pole 11 Dropper channel Clamp for PCC Pole 12 G.I. Strips of size 35x6 mm 13 G.I. Strips of size 50x6 mm 14 G.I. Pipe 2 dia 15 B- Carriage of following material 16 PCC Pole 8.5 Mtr. Long-2 No., Structure of LA, Isolator, 33 KV CTs, Single T/F Control Pannel, 1 No.11 KV Outgoing and 1 No. Incoming Pannel, Battery & Battery Charger and 33 KV VCB etc. 17 C- Erection work 18 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 . 19 Erection of complete structure and 33 KV Bus Isolator in switch yard as per RESPO drawing. Work also includes construction ofplinth 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. 20 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. 21 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. 22 Erection of complete 33 KV VCB with structure 0.7x0.7x1.0 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. 23 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. 24 Installation of 11 KV single transformer control pannel, 1 No. Incoming and 1 No. Outgoingin 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. 25 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 materialwill be provided by thecontractor. 26 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. 27 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. 28 Earthing of 11 KV indoor equipments, switchgears as per RESSPO Drawing. with G.I. Strip of Size 50x6 mm. 29 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. 30 Earthing of T/F neutral by boring 2 dia 60 feet long G.I. pipe in the wet earth and connecting it with 50x6 mm. G.I. strip to T/F neutral giving half round turn at the T/F. 31 Earthing ofT/F body by boring 2” dia length up to water level G.I. pipe in the wet earth and connecting it with 50x6 mm. Two separate earthing to be provided to T/F body. 32 Erection andGrouting of PCC pole 8.5 mtr long 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.) 33 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, T. Clamp and Post Insulator clamp, P.G. clamp, T.clamp. All the material shall be provided by the contractor axcept ACSR Panther conductor. 34 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. 35 Installation of24 Volt Battery and Battery Charger with cabinet in the switch gear room, by grouting base channel 100 x 50 x 6 x 1000mm. Fixing ofrag bolt. 36 Laying of 11 KV 3 x120/3x185 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. 37 Fixing and termination of cable boxes of size 3 x120/3x185 sqmm.XLPE cable. Boxes (4 Nos.) will be of Heat Shrink indoor type andoutdoor type and will be supplied by the depatrtment
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