Frost-Retardant manhole lid
Frost-Retardant manhole lid
(OP)
What is the criteria for determining the need for a frost-retardant manhole lid rather than a regular one? We're in a pretty cold/snowy winter climate.
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Frost-Retardant manhole lid
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RE: Frost-Retardant manhole lid
Richard A. Cornelius, P.E.
WWW.amlinereast.com
RE: Frost-Retardant manhole lid
RE: Frost-Retardant manhole lid
Richard A. Cornelius, P.E.
WWW.amlinereast.com
RE: Frost-Retardant manhole lid
Some of the water utilities have frost proof manholes in the standard specifications.
RE: Frost-Retardant manhole lid
The only time it might make sense to insulate a sanitary manhole lid is where sanitary mains are installed with less than standard cover, often constructed with foam board trench insulation.
Agree with other comments that it's much more typical to see lid insulation for water system appurtenances.