Maintenance and Construction of Drains and Sewers in North Mainland Districts, Hong Kong

Maintenance and Construction of Drains and Sewers in North Mainland Districts, Hong Kong
  • location:
    Tuen Mun, Yuen Long, North and Tai Po districts, New Territories, Hong Kong
  • Value:
    £60 million
  • Contracts Used:

    TSC option A

  • Start-Finish:
    2015-2019
  • Employer:
    Drainage Services Department (DSD), The Government of the Hong Kong Special Administrative Region
  • Contractor:
    China Road and Bridge Corporation
  • Project Manager:
    DSD


This case study is part of the Spotlight Campaign for Water. To read more on how NEC Contract suite has been utilised in the Water Spotlight, please click here.

The Hong Kong government’s Drainage Services Department (DSD) has adopted NEC for procurement of drainage and sewerage maintenance services in four rapidly developing districts in the New Territories: Tuen Man, Yuen Long, North and Tai Po.

The four districts have an area of 511 km2 and cover about 46% of Hong Kong’s total land area. The population of 1.66 million mostly lives in the fast-expanding towns of Tuen Mun, Tai Po, Tin Shui Wai, Yuen Long, Sheung Shui and Fanling. However, there are still more than 200 rural villages scattered over the districts.

In January 2015 DSD let a four-year NEC3 Term Service Contract (TSC) option A (priced contract with price list) to China Road and Bridge Corporation for maintenance of drains and sewers in the four districts. The scope included maintenance and improvement of public sewers, stormwater drains, rivers and channels, inflatable dams, slopes and retaining walls, and stormwater pumping schemes, as well as flood relief works under heavy rainstorms. The estimated final contract sum was around HK$630 million (£60 million).

Upon successful completion of the contract in January 2019, DSD awarded a further four-year NEC3 TSC maintenance term contract to the same contractor.

PARTNERING CULTURE

DSD service manager’s delegate Chan Sing-yung says the 2015-2019 maintenance term contract was one of many NEC trial projects let by Hong Kong public works departments since 2009. ‘NEC fosters a partnering culture with foresight, such that problems and risks are mitigated proactively and collaboratively. Risk reduction meetings can be held to allow early warnings to be raised and potential problems discussed by both the service manager and the contractor at an early stage.

‘For example, on one occasion the contractor warned us that pipe repair works by traditional lining methods would cause serious disturbance to local traffic and recommended a better way to do the job. This was discussed at a risk reduction meeting, where we decided to change to the contractor’s proposed ultraviolet-light-cured lining method, which shortened the curing period.’

He says NEC has delivered many benefits over the traditional General Conditions of Contract (GCC) that were formerly used for all government works and services procurement. ‘Various aspects have been improved compared with previous maintenance contracts using GCC. These include less time required to assess compensation events, increased number of task orders completed earlier than the stated completion date, and reduced time for finalisation of task orders.’

BENEFITS OF USING NEC

  • NEC3 TSC provides an environment for the service manager and contractor to work in a ‘spirit of mutual trust and co-operation’.
  • NEC enables early warnings to be raised and potential problems discussed at risk mitigation meetings, ensuring problems and risks are mitigated proactively and collaboratively.
  • Compared to traditional contracts, the NEC3 TSC shortens the time taken to assess compensation events, increases the number of task orders completed earlier than the stated completion date, and reduces the time taken to finalise task orders.

Further Information

Contact: Chan Sing-yung, E/SM1, Mainland North Division, Drainage Services Department, The Government of the Hong Kong Special Administrative Region, Hong Kong
Tel: +852 2300 1254
Email: sychan03@dsd.gov.hk
Web: www.dsd.gov.uk

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