ADS Environmental Services FlowAlert QR 775011 A2 - Manual (Page 92)

4-24 ADS FlowAlert Manual
 Provide approximately 12 to 15 inches of excess cabling at
the telephone service pedestal.
 Create a drip loop for any wires or cables that may be
subject to condensation to prevent moisture from entering
the electrical or telephone boxes.
 Extend the conduit through the hole in the corbel of the
manhole at the monitor location.
 Extend the conduit approximately 12 inches vertically out
of the trench (from the ground surface) at the designated
pedestal location.
Running conduit from the telephone service location to the manhole
4. Use urethane foam to seal the space between the conduit and
the corbel to prevent infiltration into the manhole.
5. Use urethane foam or a weatherhead to form a seal between the
telephone cable and conduit at each end of the conduit. This
will prevent sewer gases from entering the telephone service
pedestal, moisture from entering the conduit during a
surcharge, and inflow from entering the manhole.
6. Backfill the trench, and restore the landscape as necessary.
7. Install a service pedestal at the designated location based on the
manufacturer's instructions.
8. Make sure the telephone company installs a network interface
box inside the pedestal.
9. Make sure a ground rod (stake) is buried inside the pedestal.
This rod is critical to ensuring proper lightning protection. If
one does not exist, bury an 8-foot copper-coated steel rod
vertically into the ground inside the pedestal until it is