Projects
The Yan Yean Water Filtration Plant
| PLANT FLOW | |
| Maximum through plant | 155 ML/d |
| Maximum including filter bypass | 210
ML/d |
| Emergency bypass | 450
ML/d |
| TREATMENT CHEMICALS | |
| Alum, polymer, lime, fluoride, chlorine | |
| FILTRATION | |
Number
of filters |
10 |
Area
per filter |
67m‹ |
Filter
dimensions |
11.0m
x 6.1m |
Filtration
rate |
10.3m/hour |
Filter
media |
Filter
coal 1500mm; |
sand
200mm |
|
| FILTERED WATER PUMPING | |
| Number of pumps | 5 |
| Capacity of pumps (4 No) | 225
ML/d |
| Capacity of each pump | 650
L/sec |
| Power requirement | 925kW |
| TREATED WATER STORAGE | |
Usable
capacity |
40
ML |
Tank
dimensions |
69.3
m dia x 12m high |
| BACKWASH | |
| Type | Air
/ air & water/ water |
| Air scour rate | 60
m/hour |
| DEWATERING BASINS | |
| Number of basins | 4 |
| Area per basin | 4100
m‹ |
| Basin dimensions | 128
m x 32m |
| PROJECT CAPITAL COST | $25m |
| DESIGN AND CONSTRUCTION | March 1993 - |
| September 1994 | |
| OPERATIONS | October 1994 - |
| September 2019 | |