MIL-HDBK-1005/7A
diameter, whichever is greater, above overflow level. In other
respects, use the criteria for tanks on potable water systems in
Section 8.
4.7.2.3
Outlets . All outlets of a nonpotable water system
must be marked appropriately.
4.7.3
Requirements . Criteria for requirements of nonpotable
or saltwater systems are as follows.
4.7.3.1
Fire Protection. For fire protection of shore
facilities, refer to MIL-HDBK-1008C.
4.7.3.2
Waterfront Operational Facilities. Requirements for
fire protection and flushing/cooling water are given in MIL-HDBK
1025 Series.
4.7.3.3
Graving Docks. The demands for graving docks must be
considered in the design or evaluation of overall station
capacity. Refer to MIL-HDBK 1029/1, Graving Drydocks , for
graving dock requirements.
4.7.3.4
All Other Uses . Uses other than those discussed
previously should be as required by the process being served.
4.7.4
Intakes . The general criteria for fresh water intakes
given in par. 4.6.1 are applicable with the following additional
requirements.
4.7.4.1
Location. Keep suction lines short, but avoid
proximity to sewer outfalls, storm drains, and areas subject to
waterborne trash or refuse. Combine with condenser or cooling
water intakes when feasible. The intake structure can be
separate from the pump house.
4.7.4.2
Secondary Inlet. Provide emergency inlet or screen
bypass at the bulkhead. Make the inlet accessible for manual
operation.
4.7.4.3
Screening .
All intakes should be screened as follows.
a) Traveling Water Screens. Traveling water screens
should be considered for all saltwater intakes.
b)
Fixed Screens.
At small intakes, operating less
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