Services
NRSBU is responsible for 16.8km of rising mains, 5 pump stations, and 688m outfall, a wastewater treatment plant and a biosolids application facility. Indicative replacement costs as at 2017 are shown below.
NRSBU summary asset replacement costs
| Asset Description | Gross replacement Value |
|---|---|
| Rising Mains | $21,495,847 |
| Pipes and Ponds | $15,359,632 |
| ATAD Plant | $8,944,280 |
| Outfall | $4,113,391 |
| Primary Clarifier | $4,440,922 |
| Inlet | $3,529,668 |
| Clarifier | $3,444,959 |
| Saxton P/S | $2,962,959 |
| Beach Road Reception Facility | $440,115 |
| Thickening | $1,628,708 |
| Beach Road P/S | $2,393,350 |
| Songer Street P/S | $1,993,710 |
| Road | $2,247,416 |
| Airport P/S | $2,433,402 |
| Aeration Equipment | $1,418,086 |
| Dissolved Air Flotation Plant | $1,761,658 |
| Biosolids Pipeline | $899,685 |
| Resource Consents | $735,468 |
| Rabbit Island Facility | $983,087 |
| Aeration Basin Civil Works | $857,524 |
| Buildings | $582,644 |
| Wakatu P/S | $429,515 |
| Facultative Equipment | $447,766 |
| Sludge Storage Tank | $288,170 |
| Biosolids Storage Tanks | $143,363 |
| Equipment | $332,804 |
| Biosolids Transfer Pumps | $71,214 |
| Valves | $69,407 |
| Biofilter- ATAD | $230,817 |
| Washwater | $85,252 |
| Supermatent Sump Pumps | $77,616 |
| TOTAL | $84,832,436 |
Schematic of the system
