Project name: Parliament House Irrigation & Flusherette Pumpsets
Project manager: Gavin Pridham
Time taken: 2.5 months from order to completion
System required: 1 x 3 pump pressure system & 1 x 5 pump pressure system.
Unique challenges: Determining existing pump performance and matching this to a new multi pump system. We needed spare capacity for possible increased future demand, however we needed to also optimise energy usage.
Existing pumps were;
pumps 2 x 22kW pumps
2 x 15kW pumps
- New pumps
pumps 4 x 11kW VSD pumpset, with 1 x 3.0kW VSD jockey pump
- Irrigation pumps 3 x 7.5kW VSD pumpset.
demolished existing pumps and installed new systems.
Problems solved (how Q-Max overcame those challenges):
- Searched archives and
located existing pump performance curves.
- Used pressure readings and
pump speed to establish flow rate.
- Matched performance with
new booster pumpset.
- Liaised with APH staff to
determine their ultimate requirements.
- Used our experience with
flush valves to program pump performance parameters and get system operating
efficiently and to our Client’s satisfaction.
- Connected standard product
fault outputs to APH Modbus system.
- Carried out after-hours
DN150 water main cut in.
- Installed new DN150
testable double check valve with isolation valves to run system on mains
pressure in periods of low demand.
Replaced 2 inefficient pump systems with 2 new high efficiency systems to reduce energy consumption.
Installed mains water bypass so that during periods of low demand, no energy is required to supply the building.