2004 Renovation Work Shatin Stable Bend Stable Bend

2004 Renovation Work – Shatin Stable Bend

Stable Bend Section

Stable Bend Section Original profile built in 1989 (15 yrs old) Not included in any previous reconstruction projects Profile has aged substantially and was not performing up to standard Area used frequently for feature races – HK Cup, HK Vase, APQEII, HK Derby

Aging of Stable Bend Drainage is lowered substantially To reduce the effect of organic matter accumulation, the Club has modified its maintenance procedures over the past 7 years to include more intense coring and sand topdressing, but performance of Stable Bend is still inferior due to its age

Comparison of Stable Bend and Other Sections – Drainage Rates

Comparison of Stable Bend and Other Sections – Organic Matter Content

Comparison of Stable Bend and Other Sections - summary Drainage Rates Saturated (mm/hr) Unsaturated (mm/hr) Organic matter content Stable bend 34 97 4. 40% other sections 54 236 2. 75% % deviation -59% -143% +60%

Old VS Reconstructed profiles The existing profile has been designed to meet similar drainage rate and hardness as the current performance rates of the remainder of the Shatin track

Renovation works Remove turf layer

Renovation works Excavate top organic layer (90 -100 mm) Dilute organic rich sand with fresh sand (3: 2)

Renovation works Lay 50 mm thick fresh sand mesh

Renovation works Lay 50 mm thick diluted organic layer

Renovation works Re-lay turf surface

2004 Renovation Work – Shatin Stable Bend Questions & Answers Thank you