Title: 2004 Renovation Work
12004 Renovation Work Shatin Stable Bend
2Stable Bend Section
3Stable 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
4Aging 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
5Comparison of Stable Bend and Other Sections
Drainage Rates
6Comparison of Stable Bend and Other Sections
Organic Matter Content
7Comparison of Stable Bend and Other Sections -
summary
Drainage Rates 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
8Old 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
9Renovation works
10Renovation works
- Excavate top organic layer (90-100mm)
- Dilute organic rich sand with fresh sand (32)
11Renovation works
- Lay 50mm thick fresh sand mesh
12Renovation works
- Lay 50mm thick diluted organic layer
13Renovation works
142004 Renovation Work Shatin Stable Bend
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