High Pressure Pumping

Question 0

Whenever possible an engine supplying high pressure to fd connection should be positioned within __length. ?

Answer 0

1 length, no more than 2.

Question 1

HP pumping Discharge pressures over __ psi ?

Answer 1

Over 250psi. All engines capable. Unless emergency condition exists & ordered by IC conventional eng should not operate exceeding 250psi

Question 2

Safety zone ?

Answer 2

50’ around working engine in all directions. If 2L are used safety zone must be expanded.

Question 3

Supply lines must be secured by __?

Answer 3

Tether. Secured to both the engine & bld fd connection. When more then 1L used must be tethered & secured to each other by tether gated hook. No tether use utility rope

Question 4

Standpipes should be supplied by two engines. When only one bld siamese connection is available, stretch the second supply line ?

Answer 4

To first floor outlet. Do not connect two hp lines to a single bld siamese

Question 5

3rd stage: who can order its use ?

Answer 5

IC at rank of BC or higher. Pressures exceeding 600psi