View source for Overview and schedule of general maintenance activities for Stormwater and Rainwater Harvest and Use/Reuse Practices ← Overview and schedule of general maintenance activities for Stormwater and Rainwater Harvest and Use/Reuse Practices

Overview and schedule of general maintenance activities for Stormwater and Rainwater Harvest and Use/Reuse Practices

<font size=3>'''Overview and schedule of general maintenance activities for Stormwater and Rainwater Harvest and Use/Reuse Practices'''</font size>
Link to this [[Overview and schedule of general maintenance activities for Stormwater and Rainwater Harvest and Use/Reuse Practices|table]]

<table>
<tr>
<th colspan=5>First Year of Operation
</tr>

<tr>
<th>Activity
<th>Frequency
<th>Time Period
<th>Level of Effort
<th>O&M Benefit
</tr>

<tr>
<td>Check operation of mechanical parts like pumps
<td>At least twice after the system becomes operational
<td>During a storm event
<td>2-4 hours
<td>1
</tr>

<tr>
<td>Check condition of first flush and high flow diverters
<td>At least twice after storm events > 0.5 inches
<td>Within the first 6 months
<td>1-2 hours
<td>1
</tr>

<tr>
<td>Check for clogging
<td>At least twice after storm events > 0.5 inches
<td>Within the first 6 months
<td>1-2 hours
<td>1
</tr>

<tr>
<td>Check for erosion downstream of the high flow diverter
<td>At least twice after storm events > 0.5 inches
<td>Within the first 6 months
<td>1 hour
<td>1
</tr>

<tr>
<td>Check for leaks
<td>At least twice after storm events > 0.5 inches
<td>Within the first 6 months
<td>1 hour
<td>1
</tr>

<tr>
<td>Check performance of water treatment system and adjust treatment parameters
<td>After tank has filled up
<td>Within first month
<td>2 hours
<td>4
</tr>

<tr>
<th colspan=5>After First Year of Operation
</tr>

<tr>
<th>Activity
<th>Frequency
<th>Time Period
<th>Level of Effort per Visit
<th>O&M Benefit
</tr>

<tr>
<td>Inspect and clean pre screening devices and first flush diverters
<td>Quarterly
<td>Seasonally
<td>2 hours
<td>1
</tr>

<tr>
<td>Check and clean any filters to prevent clogging
<td colspan=2>3 times per year and/or after each event that exceeds the design capacity of the collection system
<td>1-2 hours
<td>1
</tr>

<tr>
<td>Remove leaves and debris from the gutters and downspouts
<td>Semi-annually
<td>Spring and Fall
<td>2-4 hours
<td>1
</tr>

<tr>
<td>Clean out tank to remove sediment and algae
<td>Semi-annually
<td>Spring and Fall
<td>4 hours
<td>1,4
</tr>

<tr>
<td>Check and repair damage to collection surface and collection tanks
<td>Annually
<td>Spring or Fall
<td>2-4 hours
<td>1
</tr>

<tr>
<td>Check and repair erosion along the diversion pathways
<td>Annually
<td>After large storm
<td>1-2 hours
<td>1
</tr>

<tr>
<td>Check and repair any leaks
<td>Annually
<td>Spring or Fall
<td>2-4 hours
<td>1
</tr>

<tr>
<td>Inspect and repair mosquito screens
<td>Annually
<td>Spring or Fall
<td>1-2 hours
<td>1
</tr>

<tr>
<td>Clear overhanging vegetation and trees over roof
<td>Annually
<td>Winter
<td>
<td>1
</tr>

<tr>
<td>Winterize or disconnect the storage system before the winter
<td>Annually
<td>Late Fall
<td>Depends on system
<td>1
</tr>

<tr>
<td>Check structural integrity of tank, pump, pipe, and electrical system and repair any damages as needed
<td>Every 3 years
<td>As convenient
<td>Depends on repairs needed
<td>1
</tr>

<tr>
<th colspan=5>After 5+ Years of Operation (non-routine maintenance)
</tr>

<tr>
<th>Activity
<th>Frequency
<th>Time Period
<th>Level of Effort per Visit
<th>O&M  Benefit*
</tr>

<tr>
<td>After long term operation of the practice, some occasional and infrequent maintenance activities might be required, such as replacement of structural materials, conveyance equipment, or storage tanks. 
<td>As needed
<td>As needed
<td>Could be significant depending on the activity
<td>1,4
</tr>

<tr>
<td colspan=5>Key to Maintenance Benefits: 
*Proper stormwater flow and infiltration
*Creation and maintenance of wildlife habitat
*Creation and maintenance of pollinator habitat
*Nutrient cycling and storage
*Aesthetics and public enjoyment
*Carbon sequestration
</tr>

</table>