ROUTINE BRAKDOWN MAINTENANCE AND HOUSEKEEPING OF 400KV SWITCHYARD

Amount

Routine Maintenance & upkeep of 400 /220 KV Switchyard & associated Equipments of 2x250 MW PTPP, Parichha, Jhansi as per scope of work from Sl. No. A to G of Part-I & from Sl. No. A to D of Part-II

Installation of one complete pole of 400/220 KV CB along with associated work

Dismantling of one complete pole of 400/220 KV CB along with associated work

Replacement of interrupter unit of one pole of 400/220 KV CB

Only Dismantling OR only installation of interrupter unit of one pole of 400/220 KV CB.

Only Dismantling OR only installation of one arm of one pole of HCB Isolator of 400/220 KV

Replacement of one arm of one pole of HCB isolator of 400/220 KV.

Dismantling OR installation of 400 KV Pantograph isolator – one pole.

Replacement of 400 KV Pantograph isolator - one pole.

Replacement of trapeze assembly

To provide assistance in overhauling of one pole of 400 KV or 220 KV CB & its other associated works

Replacement of wave trap of one phase

Overhauling or replacement of gear operating mechanism of 220 KV HCB isolator (gang operated) OR one pole of HCB/Pantograph isolator of 400 KV system

Replacement of damaged P.G. clamp or jumper of 400 KV system

Replacement of damaged P.G. clamp or jumper of 220 KV system

Replacement of Male or Female contacts of one pole of 400 KV HCB Isolator

Replacement of Male or Female contacts of one pole of 220 KV HCB Isolator

Erection and Dismantling of Scaffolding in 220/400 KV switchyard per pole.

Installation of one No. H.T. bushing or its gasket or its bushing C.T. in 400/220 KV transformers including all associated works - 400 KV side

Installation of one No. H.T. bushing or its gasket or its bushing C.T. in 400/220 KV transformers including all associated works - 220 KV side

Installation of Neutral bushing

Replacement of HV or LV turret or Gasket

Modification of base of LA/CT/CVT of 400 KV or 220 KV system & necessary connection modification of jumper (excluding removal/installation of LA/CT/CVT)

Replacement of 400KV line side dropping conductor with associated work.

Replacement of 220KV line side dropping conductor with associated work.

Replacement & installation of 4 inch or 3 inch aluminum pipe conductor.

Replacement & installation of 400KV or 220 KV side CT/CVT/LA OR ISOLATOR dropping conductor with associated work.

Replacement & installation of 400KV or 220 KV side insulator string with associated hardware.

Replacement of damaged CT/CVT/LA of one pole of 400/220 KV system by new similar equipment.

Installation of one Radiator bank of ICT / Reactor

Tightness of clamp and conductor connection at One Clamp of 400/220 KV CT or 400/220 KV Isolator

Tightness of clamp and conductor connection at One clamp of 400 KV CVT

Tightness of clamp and conductor connection at One clamp of 400/220 KV LA

Tightness of clamp and conductor connection at One clamp of 400/220 KV Circuit Breaker

Proper cleaning and painting inside and outside fencing of 400 & 220 KV switchyard and transformer yard

Proper cleaning and painting of various electrical equipments in switchyard and transformer yard as per scope of work

Overhauling of dewatering pump installed in 400 KV Switchyard with associated work.

Replacement of PRV of ICT/ Reactor

Replacement of one Buchholz relay of ICT/Reactor/ Transformer

Shifting of one centrifuging machine of 10KL/6 KL capacity from transformer yard to switchyard

Shifting of one 10 KL capacity oil tank

Shifting of 400KV or 220KV Breaker/bushing/current transformer or CVT from central store to switchyard /Shifting of damaged equipment from 400/220 KV switchyard to any assigned site inside the plant

Shifting of new transformer oil filled drums from central store/ any site within plant to transformer yard/ shifting of old transformer oil filled drum from site to CSD store or at the assigned site.

Shifting of empty transformer oil drums from Site to CSD store.

Centrifuging of 315 MVA ICT/125 MVAR Reactor (1 JOB= 8 Hrs)

Removal of ICT cooling fan motor from its foundation and installation after completion of work

Bearing replacement in Cooling fan motor of ICT

Manpower assistance in testing work of ICT/Reactor

Fabrication of new shaft for 400/220 KV isolators gearbox

Replacement of new shaft in 400/220 KV isolators gearbox

IR Value improvement of cooling fan motor of ICT

Opening /mounting of 1 set (3 nos)jumper/PG Clamp of CT/CVT/Bushings/Circuit breakers

Nomenclature writing on electrical panel,cubicles etc.

Supply and replacement of check valve ,gland and gasket of dewatering pump

cleaning of grass,Vegetations in switchyard ,disposing the waste & antiweed treatment

M.A.K. CONSTRUCTION CO. (BID ID -5684763)