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Muzaffarpur Thermal Power Project Commissioned

Muzaffarpur Thermal Power Project Commissioned
April 30, 2017, Bihar : The Muzaffarpur Thermal Power Plant commissioned its Unit 3 on March 16, 2017, achieving 100% capacity and Unit 4 on April 30, 2017, achieving a capacity of 214.96 MW against 195 MW, which is more than 100%.

HCC was awarded the contract by Kanti Bijlee Utpadan Nigam Limited (a JV company of NTPC & BSEB), to construct 2 X 195 MW Muzaffarpur Thermal Power Project, Stage II in Bihar.

The project began with a challenge as almost every foundation and all the working fronts were handed over to HCC team with framed timelines by the client. The deadlines were stringent as there were several agencies working simultaneously on the project with the different scope of work. Hence, there was a dependency factor involved in activities related to the installation of machinery, electrical work etc. HCC team successfully overcame several geological, logistic and engineering challenges and achieved the milestone for synchronization of Unit 3 on March 31, 2015, which was witnessed by the Honourable Chief Minister of Bihar, Shree Nitish Kumar.

The scope of work included civil, structural, and architectural work at main plant area consisting of TG building, boiler house, mill bunker, ESP, ESP control room approaches road and paving etc, which has done separately for Units 3 & 4, and having different service buildings and number of watchtowers at different location of offsite areas.

The 146.50 m tall chimney shell was an engineering challenge and has been done successfully by using slipform shutter. The erection of 12 mill bunker silo with hoper weighing about 60 MT each and having 8.30 m Dia and 28.0 m length was erected at a height of 46.00 m from the ground level with the help of 225 Mt capacity crane. The TG foundation and TG deck casting were separately done for Units 3 & 4.

Raw Water Pump House (RWPH) foundation was also a big challenge as the foundation was located adjacent to the large reservoir. The reservoir was filled to the capacity and was active for Units 1 & 2. It also had huge water seepage problems. The boiling tendency of sand due to the uplift pressure of underground water was tackled successfully to achieve the foundations level of RWPH at a depth of about 10 m from ground level.

After synchronization of Unit 3, another milestone for synchronization of Unit 4 was achieved successfully on March 24, 2016.

After successful completion of all the necessary works, commercial operation (COD) was declared by Kanti Bijlee Utpadan Nigam Limited for Unit 3 on March 16, 2017, by achieving 100% capacity of production. Similarly, at Unit 4 the COD was declared on April 30, 2017, where 214.96 MW was achieved against the targeted capacity of 195 MW, which was more than 100%.

Currently, the balance of item works like painting and finishing work besides paving of road and other miscellaneous works at Units 3 & 4 are in progress.

Post commissioning, Unit 3 achieved 100% capacity while unit 4 delivered over and above the targeted capacity.
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