Surge Tank: Difference between revisions

 
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* There is no overflow pipe.  It was capped-over at some point.  This is a minor code issue.
* There is no overflow pipe.  It was capped-over at some point.  This is a minor code issue.


=== Work-Arounds ===
=== Workarounds ===


* To address the lack of modulating valve, the drain return valve is set to be only partially opened.  By doing so, only a portion of the pump demand is met by the drain return.  The rest must be supplied by the gutter return.  This works to an extent, but:
* To address the lack of modulating valve, the drain return valve is set to be only partially opened.  By doing so, only a portion of the pump demand is met by the drain return.  The rest must be supplied by the gutter return.  This works to an extent, but:
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To fully address the [[#Known Deficiencies|known deficiencies]], an overhaul of the surge tank is planned as the budget permits.
To fully address the [[#Known Deficiencies|known deficiencies]], an overhaul of the surge tank is planned as the budget permits.
=== Isolation Valves ===
There are three isolation valves to be replaced.  Details to follow.
=== Maintenance Drain Valves ===
There are three maintenance drain valves - not to be confused with the pool drain return valve(s).  Details to follow.


=== Modulating Drain Valve ===
=== Modulating Drain Valve ===
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This actuator has been purchased as of January 2022 and is awaiting installation.
This actuator has been purchased as of January 2022 and is awaiting installation.
=== Piping ===
Details to follow.
=== Structural and Surface ===
Details to follow.