MTPS I BM Pressure parts Unit I Boiler Statutory inspection 2022 Water washing of boiler Ist and IInd pass area Rectification of defective boiler tubes overhauling of valves sky climber erection operation and allied works etc

Amount

Water washing of boiler inter-pass area (area inclusive of re-heater coils, water wall Screen tubes, S.H Screen tubes etc.)

Water washing of boiler I pass water walls inclusive of gooseneck bends area through peepholes.

Water washing of boiler II pass

Removal of heavy lump soot deposited on boiler first pass tubes such as water walls and platen super heater coil by using wire brush/ scrapping with assistance of sky climber

Charges for leading, lifting of platform material arranging scaffolding and platform wherever required in the boiler area for rectification works, dismantling after completion of work and normalizing site.

Charges for renewal of defective boiler tubes of size 44.5mm OD inclusive of transportation, cutting of defective tubes, edge/spool preparation, welding with IBR welder and assisting for hydraulic test.

Charges for renewal of defective boiler tubes of size above 44.5mm OD inclusive of transportation, cutting of defective tubes, edge/spool preparation, welding with IBR welder and assisting for hydraulic test.

ARC FILLING: Grinding of Boiler tubes for Arc filling of size 150 x 25 MM area for 3 Layers

ARC FILLING: Charges IBR Welder for Arc filling of area 150 x 25 MM by 3 layer

Charges for fin welding by cleaning, surface preparation and welding.

Charges for removal and refixing the insulation and skin casing sheets to carry out Boiler tubes & fin welding rectification works and reposition the dislodged /damaged insulation and skin casing sheet in Ist & IInd pass Wall tube of Boiler including the charges for transportation of insulation and skin casing sheets, consumables, T&P’s and for necessary scaffolding arrangements.

Charges for attending on defective / passing valves dismantling, inspection, lapping of valve seat and disc, renewal of sealing rings, gland packing etc., inspection of drive bush, bearings, etc. and renewing if necessary and assembling the valve & actuators.Main steam stop valve and 300/250 valve

Valve of sizes 150/250, 100/250 and 65/250

Charges for dismantling of drum & SH safety valves removal of disc providing plug and re assembling with disc after hydro test etc.without disturbing its initial settings

Charges for fixing readymade shrouding at erosion prone Boiler tubes & bends by welding clamps including the cost of welding electrodes.

Charges for leading, lifting of refractory at store and site, stacking at Boiler elevation, chipping removal of cracked/ defective refractory, cleaning, surface preparation, refractory preparation and application on damages by patch work at various elevation of Boiler, removal of loose refractory, lowering, disposing to waste disposal area

Charges for chipping removal of old defective refractory, cleaning, surface preparation, mixing the refractory with water application and curing the patch worked refractory in Boiler at various elevation

Charges for transportation of sky climbers ( to & fro )

Charges for erection of sky climbers and dismantling after completion of works

Charges for operation of sky climbers as per the requirements to assist various overhauling works such as Boiler cleaning, burner overhaul, tube thickness survey, tube rectification works etc., during the entire overhaul period.

Cutting gas Oxygen & Acetylene

Argon gas for Tig welding

Welding electrode Supratherm special 2.5mm

Welding electrode cromotherme -1 .2.5mm

T & Ps and consumables

THIAGARAJAN ENGINEERING CONTRACTOR