Work contract for Annual Overhauling of TG-Auxiliaries installed in 1X500 MW , SGTPS, MPPGCL, Birsinghpur

A. CLEANING OF STRAINERS

BP Suction Strainer (1250 X 700 (L X OD)

BFP Suction Strainer (2410 X 400 (L X OD)

ACW Self Cleaning Strainer (1500 X 1000 (L X OD)

CEP Suction Strainer (1080 X 700 (L X OD)

Debris Filters of CW System (2200 mm Dia.)

TDBFP EOP FILTER (1728 X 222 (L X OD)

B. CLEANING OF TANKS

Main Oil Tank

TDBFP Oil Tank

ECW Make-up Water Tank

Hotwell Cleaning

Condensate Storage Tank

Deaerator

Feed Storage Tank

Potable Water Tank

Service Water tank

Fire Fighting Tank

C. CLEANING OF Plate Type Heat Exchangers / Coolers

Corrugated SS Plate Type Heat Exchangers (SG) Total No of Plates- 307

Corrugated SS Plate Type Heat Exchangers (TG) Total No of Plates- 461

MDBFP Lube Oil Cooler

MDBFP Working Oil Cooler

Vacuum Pump Seal Water Cooler

TDBFP Lube Oil Cooler

D. AOH /REPAIR / REPLACEMENT OF VARIOUS VALVES IN TG HOUSE OF 500 MW UNIT NO.5:

HIGH PRESSURE VALVES (PRESSURE ABOVE 50 KG / Sq.CM)

Size 300 mm and above

Size 200 mm and above but less than 300 mm

Size 100 mm and above but less than 200 mm

Size 50 mm and above but less than 100 mm

Size below 50 mm

MEDIUM PRESSURE VALVES (PRESSURE BETWEEN 10 TO 50 KG / Sq.CM)

Size 300 mm and above

Size 250 mm and above but less than 300 mm

Size 200 mm and above but less than 250 mm

Size 150 mm and above but less than 200 mm

Size 100 mm and above but less than 150 mm

Size 50 mm and above but less than 100 mm

Size 50 mm and less

LOW PRESSURE VALVES (PRESSURE BELOW 10 KG / Sq.CM)

Size 350 mm & above

Size 300 mm & above but less than 350 mm

Size 250 mm & above but less than 300 mm

Size 200 mm & above but less than 250 mm

Size 150 mm & above but less than 200 mm

Size 100 mm & above but less than 150 mm

Size 50 mm & above but less than 100 mm

Size 50 mm & below

OVERHAULING OF LOW PRESSURE BUTTERFLY VALVES

Butterfly valves 65 mm

Butterfly valves 80 mm

Butterfly valves 100 mm

Butterfly valves 150 mm

Butterfly valves 200 mm

Butterfly valves 300 mm

Butterfly valves 350 mm

Butterfly valves 400 mm

Butterfly valves 500 mm

Butterfly valves 600 mm

Butterfly valves 700 mm

Butterfly valves 800 mm

Butterfly valves 1600 mm

Butterfly valves 1800 mm

Butterfly valves 2200 mm

CHARGES FOR RADIOGRAPHY & STRESS RELEASING OF WELD JOINTS

Stress Reliving of the Weld Joint

OVERHAULING OF PUMPS

ECW (SG) PUMP (200/250 mm) Pump size/ 130 KW/1480 RPM/800 Cu.M/50 M Head

ECW (TG) PUMP (350x300 mm) Pump size/ 170 KW/1460 RPM/1550Cu.M/35 M Head

ACW PUMP (350/450 mm) Pump size/ 160 KW/990 RPM/583.33 Ltr. Per Sec./17.5 M Head

MINI ENTERPRISES