Typical winter decommission and maintenance tasks
Link to this table
| Component |
Typical decommissioning and winter maintenance tasks needed prior to spring startup 1 |
| Source Area/Collection Surface |
- Clean residual de-icing material (sand, salt) from pavement prior to spring startup
|
| Collection System |
- Drain and disconnect conveyances to prevent freeze/thaw damage
|
| Storage System |
- Drain all water from above-ground outdoor storage tanks
- Disconnect downspouts and/or pipe upstream of the tank to prevent rainwater/snowmelt from entering the tank during winter months
- Disconnect electrical supply that controls equipment
- Shut off makeup water supply to prevent water from entering the tank
|
| Treatment System |
- Drain and disconnect any pre-storage treatment devices that should be decommissioned during the winter
- Decommission treatment system components per manufacturer’s guidelines
|
| Distribution System |
- Switch end use supply from harvested water to public water supply (if necessary)
- Drain all water from pumps and conveyance to prevent freeze/thaw damage
- Disconnect electrical supply to the pump and control equipment
- Complete all recommended winter maintenance for pumps and controls
|
| Overflow/Bypass Systems |
- Drain and disconnect to prevent freeze/thaw damage
|
