Project Name:  Contract No. CV/2012/09 Liantang / Heung Yuen Wai Boundary Control Point Site Formation and
Infrastructure works - Contract 3
Entrusted Portion of Widening of Tolo Highway / Fanling Highway between Island House Interchange
and Fanling - Stage 2
Date of Monitoring: 4/3/2017 Weather :   Sunny
Monitoring Location Time Water Depth (m) Temperature (oC) pH DO (mg/L) DO (% saturation) Turbidity (NTU) Salinity (g/L) SS (mg/L)
Average Value Avergae Value Average Value Average Value Average Value Average Value Average Value
C3a 12:19 <0.5 25.0 5.9 7.1 86.2 31.6 <0.1 11
C3b 12:43 <0.5 22.5 6.2 6.5 74.7 10.9 <0.1 14
I5 12:54 <0.5 23.8 6.7 8.5 100.0 12.7 <0.1 5.95
Date of Monitoring: 4/5/2017 Weather :   Sunny
Monitoring Location Time Water Depth (m) Temperature (oC) pH DO (mg/L) DO (% saturation) Turbidity (NTU) Salinity (g/L) SS (mg/L)
Average Value Average Value Average Value Average Value Average Value Average Value Average Value
C3a 11:58 <0.5 27.2 6.2 6.5 82.4 24.6 <0.1 15
C3b 12:19 <0.5 24.7 6.4 6.1 73.5 9.9 <0.1 5.8
I5 12:28 <0.5 26.1 6.7 7.9 97.1 7.0 <0.1 3.7
Date of Monitoring: 4/7/2017 Weather :   Cloudy
Monitoring Location Time Water Depth (m) Temperature (oC) pH DO (mg/L) DO (% saturation) Turbidity (NTU) Salinity (g/L) SS (mg/L)
Average Value Average Value Average Value Average Value Average Value Average Value Average Value
C3a 12:43 <0.5 27.2 6.1 5.4 68.6 135.0 <0.1 120
C3b 13:00 <0.5 24.8 5.9 5.8 70.4 13.2 <0.1 11
I5 13:11 <0.5 25.6 6.6 7.8 95.9 7.0 <0.1 4.95
Date of Monitoring: 4/10/2017 Weather :   Cloudy
Monitoring Location Time Water Depth (m) Temperature (oC) pH DO (mg/L) DO (% saturation) Turbidity (NTU) Salinity (g/L) SS (mg/L)
Average Value Average Value Average Value Average Value Average Value Average Value Average Value
C3a 12:07 <0.5 25.6 6.0 5.1 62.3 67.5 <0.1 78
C3b 12:32 <0.5 24.6 6.2 5.4 65.2 10.2 <0.1 6.45
I5 12:45 <0.5 25.3 6.6 7.1 86.2 6.5 <0.1 5.3