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

Governing equations of typical section aerofoil, We recall the "typical sec...

We recall the "typical section" aerofoil model with oscillating pitching and plunging motions to represent the torsional and bending behaviour of a wing structure with large aspect

Normal spectrum, Q. What is a normal spectrum? Show that grating spectrum i...

Q. What is a normal spectrum? Show that grating spectrum is a normal spectrum. Ans. Normal spectrum and the dispersive power of grating is defined as the rate of change of a

Instruction set, compare zero- one- two- and three-address machines by writ...

compare zero- one- two- and three-address machines by writing programs to compute X=(A+B*C)/(D-E*F)

Powder coating issue, occasionally we are getting black streaks in our powd...

occasionally we are getting black streaks in our powder coated parts. Does not seem to be related to paint contamination or cleaning prep. Has anyone else seen this or know what co

Aaa, Let C(K) denote a European vanilla Call option with strike price K. As...

Let C(K) denote a European vanilla Call option with strike price K. Assume that all options are identical except for strike price, and strike prices satisfy (K1) What are the no-

Wheatstone bridge, The resistance of the strain gauges is usually measured ...

The resistance of the strain gauges is usually measured with a Wheatstone bridge. All bridges have balancing circuits which can be apex or parallel. Both methods are equivalent.

Matrix stiffness method, how to get the deflection of a frame when a load W...

how to get the deflection of a frame when a load W s acting on a corner of the frame

Combustion chamber injection system - aircraft engine , Combustion chamber ...

Combustion chamber injection system: Injecting a water or water/methanol mixture into the combustion chambers increases the mass flow through the turbine and the high volumetri

Create and plot signals in ccs , I want to plot x1=4exp(t/4) x2=sin(2Pift+...

I want to plot x1=4exp(t/4) x2=sin(2Pift+pi/2) and x3=x1x2 in CcS

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