Monthly Code Quiz March

Underground piping shall be permitted to extend into the building through the slab or wall not more than ____ inches.

What section number states, "The top of the pipe shall be buried not less than 1 ft below the frost line for the locality.

Hint= Answer is 5 numbers long _._._._._

Drop-out ceilings and ceiling materials shall not be installed below quick-response or extended coverage sprinklers unless __________.

• the sprinklers are only upright type

• specifically listed for that application

• the sprinklers are less than 12" above the ceilings

• the ceilings are less than 32 ft² in size

Which section number states, "System components shall be rated for the maximum system working pressure to which they are exposed but shall not be rated at less than 175 psi for components installed above ground and 150 psi for components installed underground." Hint = Answer is 3 numbers long _._._

The underground pipe supply for a pipe schedule system shall be______.

• No smaller than 6”

• At least as large as the FDC piping

• 4” or larger

• At least as large as the system riser

When installing a standard pendent or upright spray sprinkler, which section number states "Sprinklers shall be installed under fixed obstructions over 4 ft wide." Hint= Answer is 5 numbers long _._._._._

Answer explanation

10.2.7.3.2* 

Sprinklers shall be installed under fixed obstructions over 4 ft (1.2 m) wide

While you may find the same answer in 10.3.6.3.2* 

Sprinklers shall be installed under fixed obstructions over 4 ft wide

Section 10.3 refers to Sidewall Standard Spray Sprinklers

Fire department connections shall be located at the nearest point of fire department apparatus accessibility or at a location approved by the ________.

• AHJ

• designer

• building owner

• installer

Dry sprinklers shall only be installed in fittings as specified by the

               _____________.

• AHJ

• foreman

• manufacturer

• contractor

Branch line hangers attached to metal deck shall be permitted only for the support of pipe ___ inch or smaller in size, by drilling or punching the vertical portion of the metal deck and using through bolts.

• 1

• 1 1/4

• 1 1/2

• 2

Old-style sprinklers protecting fur storage vaults______ permitted to be placed less than 6 ft. on center.

• are not

• are

• should be

• shall be