Built in accordance with ANSI/ASTM D-3753 "Standard Specifications for Fiberglass Manholes" by Warminster Fiberglass, they are complete, packaged, metering manholes ready for easy installation. Equipped with an integral Palmer-Bowlus or Parshall Flume, they are used to measure influent or effluent in both industrial and municipal applications.
There are no joints to leak, as all points of
entry and exit are laminated over with
fiberglass and resin, sealing the entire
manhole against underground water
flooding.

Pipe sleeves are molded-in at both inlet
and outlet ends to match the pipe size.
Rubber boots and stainless steel clamps
are provided for ease of making
connections.
+Note+ see downloads & media section


-To measure influent or effluent in both
industrial and municipal applications.

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Fiber Buildings
Fiberglass Flumes

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Fiberglass Covers
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