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<table>
 
<table>
 
<tr>
 
<tr>
<th>Component
+
<th>Component</th>
<th>Typical decommissioning and winter maintenance tasks needed prior to spring startup 1
+
<th>Typical decommissioning and winter maintenance tasks needed prior to spring startup 1</th>
 
</tr>
 
</tr>
 
 
<tr>
 
<tr>
<td>Source Area/Collection Surface
+
<td>Source Area/Collection Surface</td>
 
<td>
 
<td>
*Clean residual de-icing material (sand, salt) from pavement prior to spring startup
+
*Clean residual de-icing material (sand, salt) from pavement prior to spring startup</td>
 
</tr>
 
</tr>
 
 
<tr>
 
<tr>
<td>Collection System
+
<td>Collection System</td>
 
<td>
 
<td>
*Drain and disconnect conveyances to prevent freeze/thaw damage
+
*Drain and disconnect conveyances to prevent freeze/thaw damage</td>
 
</tr>
 
</tr>
 
 
<tr>
 
<tr>
<td>Storage System
+
<td>Storage System</td>
 
<td>
 
<td>
 
*Drain all water from above-ground outdoor storage tanks
 
*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 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
 
*Disconnect electrical supply that controls equipment
*Shut off makeup water supply to prevent water from entering the tank
+
*Shut off makeup water supply to prevent water from entering the tank</td>
 
</tr>
 
</tr>
 
 
<tr>
 
<tr>
<td>Treatment System
+
<td>Treatment System</td>
 
<td>
 
<td>
 
*Drain and disconnect any pre-storage treatment devices that should be decommissioned during the winter
 
*Drain and disconnect any pre-storage treatment devices that should be decommissioned during the winter
*Decommission treatment system components per manufacturer’s guidelines
+
*Decommission treatment system components per manufacturer’s guidelines</td>
 
</tr>
 
</tr>
 
 
<tr>
 
<tr>
<td>Distribution System
+
<td>Distribution System<td>
 
<td>
 
<td>
 
*Switch end use supply from harvested water to public water supply (if necessary)
 
*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
 
*Drain all water from pumps and conveyance to prevent freeze/thaw damage
 
*Disconnect electrical supply to the pump and control equipment
 
*Disconnect electrical supply to the pump and control equipment
*Complete all recommended winter maintenance for pumps and controls
+
*Complete all recommended winter maintenance for pumps and controls</td>
 
</tr>
 
</tr>
 
 
<tr>
 
<tr>
<td>Overflow/Bypass Systems
+
<td>Overflow/Bypass Systems<td>
 
<td>
 
<td>
*Drain and disconnect to prevent freeze/thaw damage
+
*Drain and disconnect to prevent freeze/thaw damage</td>
 
</tr>
 
</tr>
 +
</table>
  
</table>
+
<noinclude>
 +
[[Category:Level 3 - General information, reference, tables, images, and archives/Tables/Operation and maintenance]]
 +
</noinclude>

Revision as of 15:45, 3 August 2022

Typical winter decommission and maintenance tasks for rainwater harvesting

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