J.
OUTSIDE STEAM DISTRIBUTION: Submit the following:
Outside Steam Requirements
Level 1
Level 2
Narrative1
Estimated steam and condensate loads
Life cycle costs for alternative systems:
Shallow concrete trench
Direct burial2
Steam system layout showing:
Manhole locations
Piping in manholes
Isolation valve locations
Steam trap locations
Existing underground utilities
Calculate:
Pipe sizing
Load estimates
Steam pressure (at building entrance)
Minimum dimensions of typical manhole
NOTES:
1. In the narrative, provide description and evaluation of existing steam distribution
system which will be affected by the project. Indicate method of accommodating
thermal expansion; and
2.
Determine soil conditions if direct burial-type system is selected.
Program Guide PG-18-15, Volume E
May 2006
18
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