Fire fighting operations - high rise buildings, Other Engineering

Assignment Help:

Fire fighting operations - high rise buildings:

Inlets that allow the fire service to supplement to water to the sprinklers and to the fire mains are useful additions to the measures that assist fire fighting.

When fire fighting operations are being undertaken, doors to the fire fighting staircase are bound to be held open (by hose) so either ventilation or pressurisation must be provided to stop the stairs becoming smoke logged. Elements of a pressurisation system are automatic opening vents on each floor.                                         

These open to keep the area where the fire has started close to ambient pressure so that a pressure difference can be maintained to the staircase (the staircase being at a slightly higher pressure).  The vents also allow a continued through-flow of air when doors are open for fire fighting.  If the vents do not open or are obstructed because new internal partitions have been constructed, for example, then the space where the fire is will become pressurised, losing the pressure difference between it and the staircase and the through-flow of air when the door is open will not take place allowing smoke to enter the stairs.  Vents are normally required on at least  two faces of  the building  to  allow for  positive  wind pressures on one face of the building.

 

 

 


Related Discussions:- Fire fighting operations - high rise buildings

Subtraction of two 16-bit numbers, write a programme of subtraction of two ...

write a programme of subtraction of two 16 bit numbers

Describe any three properties of mortars, QUESTION 1 a) Describe any th...

QUESTION 1 a) Describe any three properties of Mortars b) Each combination of coarse and fine aggregates has a specific water demand for a given mix fluidity or slump. What

Financial management, Sharpe Knife Company expects sales next year to be $1...

Sharpe Knife Company expects sales next year to be $1,500,000 if the economy is strong, $800,000if the economy is steady, and $500,000if the economy willb e strong, a 50 percent pr

Clamper, what is clampers and how many types

what is clampers and how many types

#title.project, what type of projects are take place in the chemical engin...

what type of projects are take place in the chemical engineering

Electronics, explain compensated semiconductors

explain compensated semiconductors

Describe the processes of a cdma system, Question: (a) Describe the spr...

Question: (a) Describe the spreading and dispreading processes of a CDMA system. (b) Autocorrelation properties are used to recover the signals correctly at the receiver. Ex

Pitot intakes - aircraft maintenance , Pitot intakes: This intake is su...

Pitot intakes: This intake is suitable for subsonic or low supersonic speeds. Examples, 707, 747, A300B, Tristar, etc. The intake is usually short and is very efficient becau

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd