PROJECT HIGHLIGHTS
DESCRIPTION
Commissioned in June 2012, The Waikoloa Beach Resort facility is the second MBR in the state of Hawaii. The resort, situated on the northwest corner of the big island, is surrounded by the desert area of the "Lava Coast." It's location on the leeward side of nearby mountains makes rainfall scarce and the resort must obtain fresh water from about 30 miles away via pipeline. One important driver for Waikoloa's choice of an MBR was the up to 1.0 MGD of high quality effluent which is to be used to irrigate a golf course and other parts of the resort, reducing dependence on piped in fresh water. The highly automated Ovivo MBR also allows plant operations staff to maintain their normal schedules and dedicate minimal time to running the wastewater treatment plant.
LOCATION
Waikoloa Beach Resort, HI
IMAGES
PROJECT OVERVIEW
| System Type(s) | Enviroquip ® MBR |
|---|---|
| Previous Facility Type | Lagoon |
| Owner | Hawaii Water Service Company |
| Engineer | Brown and Caldwell |
| Contractor | Isemoto |
| Operations | Hawaii Water Service Company |
| Delivery Method | Negotiation, Pre-Purchase |
| Time To Retrofit | 15 months |
| Total Installed Project Cost | $10,257,688 |
PLANT DESIGN INFORMATION
| Fine Screen Type | Drum Screen |
|---|---|
| Aperture or Slot Size | 2 mm |
| Supplemental Aeration Technology | Fine Bubble, Tubes |
| MBR Blower Type | Turbo |
| Solids Management Data | Screw Press |
| SCADA System | Wonderware |
| Disinfection Method | UV |
| # Process Stages | 3 |
MBR (MEMBRANE ZONE) DESIGN
| Filtration Mode | PAG (Pump Assited Gravity) |
|---|---|
| # of Reactors : | 2 |
| Submerged Membrane Unit (SMU) | RW400, KUBOTA® |
| # SMU | 14 |
| Design Flux (MMF) | 11.5 gfd |
| Minimum Temperature | 20°C |
| Peak Factor | 2.25 |
| # of Maintenance Cleans | 4 |
