The verti-drain was used on the Happy Valley turf track to alleviate surface hardness according to the following schedules:
Horse Racing
Season
Verti-drain on Happy Valley turf track
| 7–12 Sep | A to B Course (Worked Back Position) |
| 20–21 Sep | C Course (Worked Back Position) and the remaining area |
On completion of the works, the areas were lightly rolled as per previous practice.
Others
23/09/2019
21/09/2019
