DEPOSIT Conversion LT to HT connection Govt Taluk Head Quarters Hospital North Paravur SITC of Transformer and related electrical equipments to convert to HT connection at Govt Taluk Head Quarters Hospital North Paravur HT Electrical Work

OD162832/2026-2027:Supply, conveyance, installation, testing and commissioning of 315 KVA indoor unitized substation comprising of H.T Panel trunked with cast resin Transformer with bottom / top entry cable box as per technical details furnished below and including the following components/devices. H.T. Portion :H.T. Portion consists of (1) 11KV ,630 A,350mVA VCB with 2 o/c relay with high set element one E/F relay with DC trip with earth interlock with main switch and mechanical ON /OFF (2) Shunt trip coil for the remote operation. Transformer Portion: Consists of 315KVA 11 K.V, 50 Hz, Delta/Star connected cast resin insulated copper wound transformer. The core shall be made of high grade grain oriented silicon M4 steel lamination insulated and oxide layer and outside of the core shall be protected against corrosion by epoxy resin finish, Class 'F' insulation level shall be maintained. OFF load tap changing facility shall be incorporated so as to achieve tap position of +5% to -5% in steps of 2.5%. The transformer shall confirm to IEC 726 & IS 11171/1985 reaffirmed in 1991& the maximum allowable loss limited to values designated by ECBC norms. TOD Metering Facilities consists of (a) 3 Nos (-/5 or rating suggested by K.S.E.B) 15VA, 0.2S Class accuracy Cast resin C.T (b) 1No 3 Phase 3Limb 11KV/110V, 10VA, 0.2 Class accuracy Cast resin P.T. with protective fuses. (c) Provision for TOD meter compartment and CT,PT unit compartment shall be so fabricated so as to enable the K.S.E.B authorities to seal it). All inter connection from HT breaker to transformer and to LT breaker shall be given using electrolytic copper bus bar insulated with heat shrink sleeves and tinned at the point of contacts. All internal earth connections are to be given as per standards. Necessary protection shall be made for giving cable connections on the HT side as well as LT side. Phase barriers and shrouding as per rules has to be given. The enclosure shall comply to IP 23 standards made of 2 mm CRCA sheet and shall have provisions with Epoxy powder coating the assembly after subjecting to 7 tank processes. The Transformer Enclosure shall have suitably designed Louvers for Air Circulation and efficient Cooling, required including Danger boards, signage, lettering etc. required as per standards. The USS shall be installed at site as per the directions of Engineer in charge.

OD163346/2026-2027:MANUAL CALL POINT:- Supply Installation, Testing and Commissioning of Manual Call Points of break glass type with hammer and chain as required

OD163348/2026-2027:Supply and fixing water proof emergency stop Rotary Self-locking Push-button Switch with IP65 protection and giving connections required.

OD162797/2026-2027:Supply, laying and clamping of 1 no. PVC insulated and PVC sheathed armoured aluminium power cable, 11 KV grade of the following sizes using clamps noted along with the cables, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required 3 core 300 sqm stranded compact circular aluminium conductor, conductors screened with extruded semi conducting compound XLPE insulated, insulation screened with extruded semi conducting compound in combination with copper tape (0.3KA for 1 second) cores laid up. inner sheath of PVC tape, galvanized steel flat strip armoured, and overall PVC sheathed cable conforming to IS: 7098 part II 1985 with latest amendments

OD162836/2026-2027:Supply & laying of one number PVC insulated and PVC sheathed armoured aluminium power cable of 11KV grade of the following sizes in the existing RCC/ HUME / STONE WARE/ GI/ DWC pipe as required. 3 core 300 sqm stranded compact circular aluminium conductor, conductors screened with extruded semi conducting compound XLPE insulated, insulation screened with extruded semi conducting compound in combination with copper tape (0.3KA for 1 sec.) cores laid up. inner sheath of PVC tape, galvanized steel flat strip armoured, and overall PVC sheathed cable conforming to IS: 7098 part II 1985 with latest amendments

90.12.12.6:Supply & laying of DWC pipe in ordinary soil 1.2 m below ground level including excavation110/94 mm or nearest size

10.4.4:Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required:300 sq. mm

10.5.4:Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required :300 sq. mm

OD163334/2026-2027:Supply, laying and clamping of 2.5 sqmm 3 core PVC / XLPE insulated armoured control cables with copper conductors for working votages up to and including 1100 V conforming to IS 1554 part I 1988 for PVC and IS 7098 Part I for XLPE, spacing of clamps not exceeding 60cms, making good the damages , colour washing etc. as required