Hubbell Internal Bracing Instructions

Hubbell Internal Bracing Instructions
TECH INFO
Internal Bracing: Polymer Concrete
Internal bracing may be warranted
for any manufacturer’s underground
enclosure. If 95% compaction is
required, or if heavy vehicles will be
present during construction and/or
throughout the life of the enclosure,
internal bracing during backfilling
operations will ensure minimal box
sidewall deflections. This applies to
enclosures made from any material
to maintain the original sidewall
geometry. Supports should be 2 x 4s
or similar material sized to hold at
mid-depth.
NOTE: Applicable PenCell enclosures come standard with bracing.
30 x 48
36 x 36
48 x 48
30 x 60
36 x 60
36 x 72
48 x 72
48 x 96
Page 200 | April 2015
Internal Bracing: FRP
TECH INFO
30 x 48
36 x 36
48 x 48
Larger than
48 x 96
30 x 60
to
48 x 96
Page 201 | April 2015
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