Evolution 10- supplying standpipe from inside the building

Question 1

Equipment :

Answer 1

reducer - 3” x 2 1/2”
double female- 2 1/2”x2 1/2”
A 2 1/2” x 3” increaser on standpipe outlet TOGETHER with 3” DOUBLE FEMALE MAY BE USED in lieu of other fittings
Supply standpipe via outlet inside building

FULLY OPEN STANDPIPE OUTLET VALVE ON FIRST FLOOR

Question 2

Reducer 3” x 2 1/2” will be connected to ?

Answer 2

supply line hose

Question 3

Double female - 2 1/2” x 2 1/2” will be connected to ?

Answer 3

outlet

Question 4

This evolution is used to ?

Answer 4

AUGMENT SYSTEM

OR

SIAMESE CONNECTION INOPERABLE, BUT SYSTEM IS SERVICEABLE

Question 5

PRESSURING REDUCING DEVICES , where present on outlet valve…

Answer 5

MUST be removed before CONNECTING SUPPLY LINE ( different from operating line from outlet)