TB 151 Progressive Hose Lay Flashcards
The Simple Hose Lay has the advantage of ____ due to minimal fittings.
minimal friction loss
The disadvantage is that the ____ must be stopped before it can be extended when adding additional hose.
water flow
The disadvantage of the Progressive Hose Lay is the higher friction loss due to the increased number of fittings (___).
approximately 5 – 10 psi each
A Company given the task of establishing a progressive hose lay is expected to, at a minimum, be able to put in _____, (300’ of 1½” trunk line with 100” of 1” lateral line installed every 100’ at each drop)
3 drops
A company compliment will consist of ___ complete Smokey Packs and one Starter Roll.
four
Each Pack weighs approximately ___.
26 lbs.
In addition to the four complete Smokey Packs and one Starter Kit, each Company will also receive one compliment of hose consisting of ____ of 1” lightweight hose and ____ of 1½” lightweight hose.
400’ /
Smokey Pack Assembly:
1. Lie out 100’ section of 1’’ hose and fold in half with male on top placed ___ behind female coupling.
24”
- Roll tightly, 100’ section of 1” hose starting at the folded end and capture the ___ coupling to evacuate the air.
male
- Roll tightly, 100’ section of 1½” hose with ___ coupling forming the core.
female
- Connect 1½” to 1” reducer to __ gated wye.
1½”
- Continue to feed the hose into the backpack, tightly flaking it in a zigzag fashion. While loading, secure the hose every ___ until the 1” line is completely loaded.
8’-10’
The service test pressure for this hose is ____.
300 psi.
1” Proof Test
600 psi
1” Burst psi
900 psi