Fire Protection Systems

Each system design is unique, depending on various factors, which may include the size, roof height, ceiling height, ventilation systems and the general design and material use of the building, the site and proximity from other structures. Also important is the occupation of the building, the category of goods traded, used or stored, the racking or shelving design and height of the storage, open spaces, etcetera.

All these factors determine the specific design of the fire system or combinations of systems. The services rendered by WCS Fire include information gathering, system design with all the sprinkler working drawings, hydraulic calculations, complete cutting lists, pump(s) hydraulic calculations and Tank(s) capacity calculations. All according to the specifications and regulations as set out by the Authorities and governance of the Industry.

Installations are done by professionals within the guidelines of Health and Safety regulations.

SANS10287 Regulates Automatic Sprinkler Installations

Conventional Wet Sprinkler Systems

It entails ordinary or high hazard sprinklers for roof, ceilings and in-racks where there is no danger that the water in the pipes will freeze and where the ambient temperature will not exceed 70 °C.

Alternate (Wet & Dry) Systems

Alternate installations shall be installed only where there is an intermittent danger that water in the pipes will freeze (for example in winter) and where the ambient temperature does not exceed 70 °C.

Early Suppression Fast Response (ESFR) System

ESFR refers to both a concept and a type of sprinkler. "The concept is that fast response of sprinklers can produce an advantage in a fire if the response is accompanied by an effective discharge density — that is, a sprinkler spray capable of fighting its way down through the fire plume in sufficient quantities to suppress the burning fuel package.” The sprinkler that was developed for this concept was created for use in high rack storage.

Deluge System

Deluge installations is a dry system and shall be installed only where it is necessary to apply water simultaneously over an entire area where an intensive fire might originate or as a preventative measure thereof for cooling purposes.

Drencher Installations

Drencher installations can be used for the protection of walls: 1. If a wall has a fire-resistance rating not less than that required in terms of this standard, only the openings in that wall need to be protected by means of drenchers. 2. If a wall has a fire-resistance rating less than that required in terms of this standard, drenchers should be located at roof level within the heat collection area. 3. Any zone that does not exceed the design capacity of the installation will be acceptable.

Hydrant System

A fire hydrant is a connection point by which firefighters can tap into a water supply. It is used to extinguish and contain the fire. A hydrant system is the supply line of the water, be it municipal supply or pump and tank.

Hose Reels

Fire hose reel systems consist of a water supply by either municipal supply or pumps, these hose reels need to be located strategically in a building according regulation, ensuring proper coverage of water to combat a fire. The system is manually operated and activated by opening a valve enabling the water to flow into the hose that is typically 30 meters long.

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