JJ2hydr Flashcards
When making correction on Grid map for private or non county hydrants use what color ink?
Green
What is a map depicting roads, hydrants, numbers and other landmarks either strip or grid?
Response Map
Who shall conduct inspections or test of new hydrants
Regional Fire Prevention or Special Units
- Hydrant is ____ behind curb line
12”-24”
- Center of lowest outlet is ___ above the curb
14” -24”
____degrees to the curb for single hydrant
90
____degrees to the curb for double hydrant
45
___ coats of ___primer one ____traffic signal paint
Two; red
One; Yellow
What should be used to note repairs or obstructions to hydrants
Form 410
A Damaged Fire Hydrant Notification Form 21 should be filled out for all hydrants except?
Private
When cul-de-sac depth exceeds what for commercial and residential mid block hydrants are required?
200’ commercial and 450’ residential
The available flow of hydrant is calculated by?
Testing the static pressure and residual pressure of the hydrant
The FDC shall be installed on the address side of the structure with vehicular access and how far from a
hydrant?
150’
Fire hydrant spacing for single family dwellings?
600’
Hydrant spacing for single family dwellings with more than 1 home per acre hydrant spacing will be?
450’
Non urban properties no part of the structure will be more than what from a hydrant?
750’
All occupancies other than single family dwelling shall be no less than?
300’ from a hydrant
What buildings qualify for the maximum spacing of hydrants of 600’?
Sprinklered
For non sprinklered buildings hydrant distance should be?
400’
All hydrants shall flow what gpm at what psi for how long?
1250 gpms at 20 psi for 2 hours
If there is more than 1 on site hydrant the only difference is there shall be
2500 gpms
All hydrants shall be installed how far from a building?
25’ or have a 2 hour fire wall
When the required fire flow exceeds what does a wharf hydrant need to be replaced with 4” x 2”?
1250gpm
Unless the required fire flow is less the minimum flow from a hydrant shall be?
1000 gpm
No walls, barricades, fences, landscaping etc. shall be placed within?
3’ of hydrants
- All on-site hydrants must have a shut-off valve located?
Minimum of 10’ maximum of 25’
What color are on site hydrants painted?
Red
Public underground hydrant shut off’s are located how far from the hydrant?
Min 10’ max 25’
Any building in excess of 150’ from a water supply shall
have an onsite hydrant
Credit for automatic sprinklers and other protective equipment should be limited to?
750 GPM
FDCs shall be located at least how many feet from a structure?
25
A sprinkle system shall be monitored either by panel or outside agency w/ alarm for how many sprinklers?
100
Exception is 20 or more for Group 1, Division 1.1 and 1.2 occupancies
System piping shall be hydrostatic testes at what psi for how long on all systems with 20 or more heads?
200 psi or 50 psi over max operating Max operating pressure whichever is greater for 2 hours
Appointments for inspections or test shall be made with the Fire Prevention Division how many days ahead?
2
All sprinkler plans shall include a Fire Flow Form 196 obtained within 1 year of the submittal date and signed
by whom?
Official of the Water Company or Department Fire Prevention Division
The minimum allowance for coverage of a sprinkler head is?
15 gpm and 15 – 25 gpm range
What is the minimum amount of pressure and lines to an automatic sprinkler?
1 2 ½ and maintain 150 psi
- All FDC connections shall be used?
shall be connected to and charged
If an FDC can’t be at least 25’ from a structure what has to happen?
A 2 hour fire wall and no opening 25’ both
directions.
Systems that demand 2000 gpm or more require?
6-2 ½” Siamese into 6” pipe with 6” check
The FDC shall be installed on the address side of the structure with vehicular access and how far from a
hydrant?
150’
In a multi story building (including basements) over three stories you must have? (4 things)
- Indicating control valve
- Water flow detector with an alarm bell
- Drain Valve
- Inspector test valve
What buildings qualify for the maximum spacing of hydrants of 600’?
Sprinklered
For non sprinklered buildings hydrant distance should be?
400’
- When may sprinklers may be omitted from garages?
1 One hour fire resistant wall
- Heat detector in garage is wired to sprinkler alarm device
- Residence not located in the Very High Fire Hazard Severity Zone
Fire Sprinklers are required and shall be designed for all what type of occupancy
group 2 occupancies
When a maximum system pressure exceeds 125 a system shall have what on the system side of the riser check?
¼” relief valve set to 175 psi
Is a license required to maintain a sprinkler system
? No
How often are stand pipe and sprinkler systems serviced?
5 years
** Hydrostatic testing is conducted on all structure with haw many sprinklers?
20 or more
Class “A” foam shall not be added to fixed water systems such as Tanks, Standpipes, and Sprinklers
T or F
T
What is a Class I system? standpipe
Dry standpipe with no water source and 2 ½” outlets for use by F.D
A combination system? standpipe
Has 2 ½” F.D. outlets and supplies the sprinkler systems
A class III system? standpipe
A system directly connected to a water supply with 2 ½” and 1 ½” outlets
A class II system? standpipe
A wet standpipe system with a water source and 1 ½” outlets for occupant use
When connecting to a vertical standpipe connect to what outlet first?
The lower
**On the metro blue line what type of standpipe system exists?
A dry system with a double 2 ½” outlet at ground level and 1 2 ½” outlet on the platform
A Class 1 standpipe is a standpipe with ___ outlets
2 ½”
Class II standpipes shall be located so that all potions of the building are within
30’ of a nozzle on 100’ of hose
Every building 4 stories or more shall provide 1 standpipe for use during
construction
Standpipe shall be installed when construction is over
35’ high
All occupancies will be sprinklered except
Group U and R Division 3
Storage shall be a minimum of ___ from the ceilings of non sprinklered buildings and ___ below sprinklers in sprinklered buildings
2’; 18”
A deluge system is normally equipped with system
open sprinkler and a deluge valve and separate detection
What are the 5 major types of sprinkler systems?
Wet pipe dry pipe pre-action deluge residential
When connecting to a sprinkler or standpipe system with inlets in a vertical position, connect to ______ inlets first.
Lower
**Private Hydrant within 25’
2 hr fire wall
**Standpipes should be inspected
6 months semi annually
**On the metro blue line what type of standpipe system exists ho wmany 2 1/2 connections?
2
