 
               
			 
			 
	The verti-drain was used on the Happy Valley turf track to alleviate surface compaction according to the following schedules:
| 7 – 23 April | A to C Course (Worked Back Position) | 
| 27 – 28 April | C+3 Course (Worked Back Position) and the remaining area | 
On completion of the works, the areas were lightly rolled as per previous practice.