I found this on the SANFL web site as there Heat Policy.
SANFL HEAT POLICY
LEAGUE AND RESERVES
Normal Conditions
Length of Quarters Heat Policy Break ¼ Break ½ Time ¾ Time Break
20min + time on         Nil                    6 min    20 min       6min 
32°C or above
Length of Quarters    Heat Policy Break                          ¼ Break   ½ Time   ¾ Time Break 
20 min + time on    2 min break @ approx.15min mark     6 min      20 min      6 min 
38°C or above
Length of Quarters    Heat Policy Break                          ¼ Break  ½ Time   ¾ Time Break 
20 min + Time on    2min break @ approx. 15min mark    10 min    20 min       10 min 
Under all conditions Leagues matches will commence 2.20pm
Commencement Times for Reserves:
Normal Conditions – 11.35am
Heat Policy 32 degrees or above – 11.25am
Heat Policy 38 degrees or above – 11.15am
UNDER 19s AND UNDER 17s
Normal Conditions
Length of Quarters     Heat Policy Break   ¼ Break   ½ Time   ¾ Time Break
20min + time on             Nil                      6 min      20 min    6min 
32°C or above
Length of Quarters     Heat Policy Break                             ¼ Break    ½ Time     ¾ Time Break 
15 min + time on       2 min break @ approx. 10 min mark    10 min      20 min     10 min 
38°C or above
Length of Quarters     Heat Policy Break                             ¼ Break     ½ Time     ¾ Time Break 
10 min + Time on      2min break @ approx. 7 min mark      10 min       20 min      10 min 
Under all conditions:
Under 17 matches will commence at 11.35am
Under 19 matches will commence at 2.20pm
Is this just for Pre Season games or is it for Premiership season as well?
If it is for the Premiership Season in Juniors you wouldn't want to get the bottom side on an extremely hot day as it makes for a short game.
			
		

 
 
 
 
                
                 
                
                
 
 
                
                
 
 
                
                 
                
                 
 
                
                
