Fire Apparatus Driver/Operator - Mobile Water Supply
Questions and Answers
What are some of the requirements per NFPA 1901 for a MWS? Correct-A MWS apparatus
should be equipped with at least one external fill connection that
- Allows the tank to be filled at a minimum rate of 1000 gpm.
- Is equipped with a valve, strainer, and a 30 degree elbow.
- Has valves of slow-closing design (if three inches or longer)
Large tank discharge, a MWS should be equipped with a tank discharge on the left, right and
rear of the apparatus. Capable of discharging 90% of the tank volume at an average rate of
1000 gpm
Hoselines
- If medium diameter MDH supply lnies are used for filling, the MWS apparatus should have
at least two external or direct tank fill intakes piped directly to the tank
- If LDH is used, one fill connection to the tank is adequate
If equipped with a fire pump, it may be referred to as a tanker-pumper or a tender-pumper
and must have a tank to pump line that is
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