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USACE / NAVFAC / AFCESA
UFGS-02560 (September 2003)
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Preparing Activity: USACE
Superseding
UFGS-02560 (August 2003)
UNIFIED FACILITIES GUIDE SPECIFICATIONS
References are in agreement with UMRL dated 23 June 2005
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SECTION 02560
VALVES, PIPING, AND EQUIPMENT IN VALVE MANHOLES
09/03
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NOTE: This guide specification covers the
requirements for valves, piping and equipment in
valve manholes that form a part of an underground
heat distribution system.
Comments and suggestions on this guide specification
are welcome and should be directed to the technical
proponent of the specification. A listing of
technical proponents, including their organization
designation and telephone number, is on the Internet.
Recommended changes to a UFGS should be submitted as
a Criteria Change Request (CCR).
Use of electronic communication is encouraged.
Brackets are used in the text to indicate designer
choices or locations where text must be supplied by
the designer.
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PART 1
GENERAL
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NOTE: Design manual UFC 3-430-1 HEATING AND COOLING
DISTRIBUTION SYSTEMS contains information that will
assist the designer. Do not allow chilled water
lines or other plastic piping to be routed through
manholes where high temperature piping systems
(above 110 degrees C (230 degrees F)) are installed.
Provide the following information on the contract
drawings: (1) valve manhole dimensions, (2)
location of all valve manholes, (3) sizes of the
pipe in the valve manholes, (4) location of all
valves in the valve manholes, (5) thickness of the
insulation on the pipe, (6) valve manhole details,
(7) final elevations of the valve manholes, (8)
valve manhole cover details including manway access
details, (9) how valve manholes are drained and
SECTION 02560
Page 4
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