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AS 2118

Automatic fire sprinkler systems Part 1: Understanding general systems.

AS 2118.1 – 2017 Automatic fire sprinkler systems (General systems)

AS 2118.1 specifies the requirements for the design, installation and commissioning of automatic fire sprinkler systems in buildings, including areas around commercial type cooking equipment in kitchens and associated ventilation systems.

The standard specifies requirements for:

  • Fire sprinklers;
  • Water supply;
  • Piping systems;
  • Control valves;
  • Piping joints;
  • Sprinkler control valves;
  • Sprinkler valves (wall operated);
  • Emergency control valves; and
  • Water flow alarm devices.
AS 1851 Maintenance Requirements for Sprinkler Systems

The current standard, AS1851-2012, covers wet pipe systems, dry pipe systems, deluge and water spray systems, pre-action systems, and frequency.

This section of the standard covers a range of fire protection systems: from wet pipe systems to dry pipe systems to deluge and water spray systems. It also covers pre-action systems.

The frequency for most of these services was previously weekly but with time, reliability, and protection these services can/have moved to monthly inspections.

Ranging from monthly, six-monthly, Yearly, Five Yearly, Ten Yearly, Twenty Yearly and Thirty Yearly the testing varies from general operations to overhauls at set periods. To find out more about the requirements of your system contact a licenced sprinkler company like Complete Fire and Pumps today!

The Fire Pumps Set section covers all types of fire pump sets, including sprinkler, hydrant, hose reel and automatic pressure maintenance pumps.

The purpose of this section is to ensure that the pump set is operating correctly and also to ensure that no issues have occurred in the last 30 days since the previous inspection.

Inspections are conducted on a monthly basis or at 6-monthly intervals. Testing varies from general operations to overhauls at set periods.

Following the recommendations of our fire technician can be critical as replacing a faulty or worn rubber on the system can prevent a system entering into a critical defect issue. An example is when the system leaks and the jacking pump (if installed) is overwhelmed by the flow causing the main pumps to kick in (diesel or electric or a combination of both). In the case of a diesel pump these are designed to operate until all the fuel has been utilized. This alone can cause multiple issues and unnecessary run time which increases servicing requirements.

Fire hydrant systems are broken into two main groups, Above Ground (which is the most commonly system seen as stand pipes) and Below Ground. Below ground hydrants are barely noticed in Australia and mostly used by councils to supply water to the fire brigade.

Hydrant systems are usually tested annually or every five years depending on the original design and commissioning documents. Testing varies from general operations to overhauls at set periods. The most common test that the general public sees is the yearly testing when flow rates are checked to ensure water pressure meets requirements. Depending on the original system design and commissioning documents a system requirement maybe 20 Litres a second at 200 Kpa or in some cases greater. Baseline data is critical to ensure that you’re testing the system to the correct design.

Water storage tanks are a common component of fire protection systems. They’re present in a variety of residential and commercial buildings, including hotels and hospitals.

The main difference between water storage tanks used in fire protection systems and those that are designed for domestic use is the level of detail required when selecting materials, designing the tank’s internal structure, and testing the final product.

The elements that make up a water storage tank include:

-Suction inlets

-Vortex inhibitors

-Tie rods

-Fittings

-Roof supports

-Liner material

When a fire detection system isn’t maintained properly unwanted alarms can cause unwanted distractions to a business or accommodation. Utilizing a certifier in a Fire Protection Business will lower the costs of unwanted callouts by a fire service provider or the fire authority. An expert fire detection certifier understands all the aspects of what can and will affect a fire system.

Frequency, ranging from monthly, six-monthly, Yearly, Five Yearly. Fire Detection systems differ depending on the type of system as to the difficulty of the testing required. A conventional system operates in a basic manner of the alarm tripping and setting of the related feature or otherwise known as auxiliaries. Once a detector, MCP operates the Fire Warden has a zone to search to locate the fire alarm. This takes up valuable time in a fire event. These systems are normally older and kept to a similar type of environment. Addressable systems have the ability to display the exact location of the device allowing

Planning for emergency evacuations is an important part of fire safety. Most facilities will have a business continuity plan, which covers the evacuation of the building in case of an emergency.

The outcome is for controlled evacuation of facilities such as buildings, structures and workplaces.

Frequency

Six-monthly and yearly are the requirements as per AS1851. Set out in tables 14.4.2 and 14.4.3. The listing of the requirements allows for an easy to follow inspection of the business procedures to keep staff and visitors safe on their premise

Reference: “What are the 3 goals of a Fire Emergency Evacuation Plan?”

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