Girdhari Lal Aggarwal Contractors Private Limited wins contract for upgradation of STPs at SAS Nagar

Girdhari Lal Aggarwal Contractors Private Limited has won a contract worth Rs 1.45 billion for upgradation of the existing 10 million gallons per day (mgd) STP at Sector 83, Sahibzada Ajit Singh Nagar to 15 mgd on an engineering, procurement, and construction basis. Bids for the project were invited by the Greater Mohali Area Development Authority in May 2021. The scope of work includes the design, construction, supply, installation, testing and commissioning (civil, mechanical, electrical, instrumentation and other necessary works) of the 15 mgd STP based on sequential batch reactor technology, including a 15 mgd main pumping station along with a 5 mgd tertiary treatment plant ba­sed on ultra-filtration; dismantling of the existing 10 mgd STP based on upflow anaerobic sludge blanket reactor technology; construction of a 5 mgd tertiary treated water tank including all required associated wor­ks, etc. along with operation and maintenance for a period of 10 years on a turnkey and lump sum basis.

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