WA9601-CS 970102TO; Mike Morton
Ken Griffin
FROM; Matt Cast ~
SUBJECT; The Wagon Wheel Ranch Overhead Tank
(Water Tower)
DATE; January 2, 1997
After reviewing the referenced project No. XX-XXX, also known as
WA 96-01, several items need to be clarified. In addition, a set
of the water vessel or water tank plans needs to be reviewed to
see if all needs and aspects of the City of Coppell will be
addressed.
The following are a few items that should be considered when
addressing the new tank:
1. Additional conduit needs to be added from the property
line to the tank itself. By doing this, the ground excavation is
eliminated in future digging.
2. The overhead walkway needs to be increased in size. A
heavier material that would accommodate an antenna that the Fire,
Police, and Public Works Departments may utilize in the next
twenty years needs to be considered. Another alternative would
be to have an outside company lease it to run telephone or radio
service for the future.
3. When draining the tank, a bypass gate valve needs to be
placed inside the bowl to drain the entire remaining amount of
water that may be below the drain pipe. (No water shall be
dumped out of the tank to the ground below. All water shall exit
the overflow pipe.)
4. A Rate of Flow Control device shall be sized to take the
flow with a minimum amount of wear on the Rate of Flow Control
device itself.
5. The Rate of Flow Controller shall have a bypass equal
in size to the bypass unit when the Rate of Control is not
operational. If the RFC is a motorized gate valve, an additional
chassis top or bonnet should be included as an additional part
for the repair of RFC for future years of operation.
6. If a manway is used in the bottom of the tank that is
elliptical in shape, two (2) pair of cross legs will be needed
for future use.
7. All ladder catwalk overflow box handrailing inside the
tank shall have extra heavy-duty dipped galvanized finish.
8. The S.C.A.D.A. system needs to be placed in a designated
protected area (for example, under the platform), protected by
walls with plenty of light.
9. If possible, the dry well going through the water tower
itself should have a vent for a hatch door that would permit
sunlight to enter the dark dry well area. If this could be
incorporated, another step in safety ~ractices could be achieved.
10. A telephone line is needed for the operation of the
system.
Please keep me informed of the wishes and opinions of the
department.