NEC contracts are being used to create the largest underground cavern complex in Hong Kong. Due for overall completion in 2031, the 14 ha complex will be the new location for the existing 340,000 m3/day Sha Tin sewage treatment works, freeing up 28 ha of land and improving odour control. NEC Users’ Group silver member Drainage Services Department (DSD) let the 350 m main access tunnel for the caverns under a HK$811 million (£86 million) NEC3 Engineering and Construction Contract (ECC) Option D (target cost contract with bill of quantities) to China State Joint Venture in February 2019. Despite Covid-19 restrictions and the challenging nature of the work, the tunnel was completed on time and budget in December 2022. Read the case study here:

Posted by Hawa S at 2023-02-10 15:09:13 UTC