1300 083 042
WWPS Refurbishment & Odour Control
About the project
The upgrade project was completed to refurbish the incoming inlet manhole into NW1 WWPS due to degradation that has taken place over the last 100 years. There was also the installation of an odour control system.
Location
Newcastle West, New South Wales
Client & Duration
Hunter Water Corporation
June 2023 - January 2024
Project Scope
- The design of the proposed site upgrade, including services, the inlet well, penstocks, stop boards and an activated carbon system
- Removing all redundant equipment within the inlet well which included pressure cleaning and rebuilding the internal walls with a geocast coating
- Installing 2 1600mm x 2000mm stainless steel weir with actuators and stainless steel penstock
- Design, construction and installation of a precast concrete lid for the well
- Installing ducts from multiple points to direct air flow to the new odour control unit
- Installation and FRP works of the activated carbon odour unit, including the 14m high stainless steel vent.
Challenges
- The central CBD location of the pump station meant high levels of coordination and management were required due to high volumes of vehicles and pedestrians in the area
- Heavy stakeholder engagement meant the team had to ensure there were high levels of pre planning and consistent communications with the Hunter Water team
- The pump station inlet well required a sewer bypass system which had to be monitored 24/7 and also required continous improvements
- Careful planning, monitoring and work execution were required to carry out inspections on the 100 year old inlet structure to ensure no damage would be caused
- A four bypass setup was required with the major bypass being a 1450 double brick Oviform pipe . The plugs were 3m long and double isolated. The pumps were designed to hold 153L/s.
Achievements
- Due to high levels of preplanning and clear and precise communications to all stakeholders
and the community, all challenges were managed effectively - Transparency and effective communication allowed the client to make informed decisions in a timely manner. This helped the team avoid major delays which was imperative as the works took up car parking spaces in the local business area
- The job was completed within the given timeframe and the system was back online in time.
