11-27-2024, 01:37 AM 
	
	
	
		AS 1597.1 Part 1: Small culverts (not exceeding 1200 mm span and 1200 mm height) 
AS 1597.2 Part 2: Large culverts (from 1500 mm span and up to and including 4200 mm span and 4200 mm height)
	
	
	
AS 1597.2 Part 2: Large culverts (from 1500 mm span and up to and including 4200 mm span and 4200 mm height)




 
				