Sprinkler Block Plans

A plan of the risk (block plan) with the position of the main stop valves clearly indicated thereon shall be placed adjacent to each set of installation control assemblies or group of valves where it can be readily seen by fire-fighters and others responding to the alarm. The plan of the risk shall be in the form of a permanent diagram, which is water-resistant, fade-resistant and shall include;

# the layout of the protected buildings and adjacent streets;
# diagram of the water supplies, including sizes and locations of supply authority mains and valves (dimensioned), connections for non-industrial purposes, storage tanks (capacities and locations), and pump duties.
# Location of control valves, subsidiary stop valves, remote test valves, tail-end air valves, anti-freeze devices, drains, air release valves, orifice plates, external sprinklers and any unusual features of the installation;
# the location & telephone of teh responding fire station
# the location of the main switch board, distribution boards and starters, and ratings of electrical services associated with all pumps, and details of auxiliary power supply if applicable;
# the location of the stock of replacement sprinklers (ref Clause 6.7 of AS2118)
# the year of installation of the system and major extensions thereto;
# height in meters of the highest sprinkler used for the purpose of sizing the distribution piping for each installation and hazard class and the pressure and flow requirements (ref Clause 9.3, 10.2.1 and 11.2.1 of AS2118); and
# the outline of the area of each individual hazard and design density.

Ref AS2118.1:1999 Clause 8.3