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: 2/1/2017 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 11:07 <0.5 20.8 6.3 7.4 83.2 14.4 <0.1 11
C3b 11:32 <0.5 20.0 6.6 7.6 83.3 7.6 <0.1 3.85
I5 11:48 <0.5 20.8 7.0 7.9 88.6 6.3 <0.1 2.8
Date of Monitoring: 2/3/2017 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 Average Value Average Value Average Value Average Value Average Value Average Value
C3a 11:08 <0.5 18.9 6.4 7.2 77.5 12.9 <0.1 13.05
C3b 11:36 <0.5 18.7 6.7 8.0 85.2 7.5 <0.1 3.65
I5 11:50 <0.5 19.1 6.9 7.4 79.5 5.6 <0.1 2.8
Date of Monitoring: 2/6/2017 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 11:22 <0.5 22.2 6.4 7.7 88.2 21.4 <0.1 25.5
C3b 11:44 <0.5 20.5 6.6 7.2 80.0 7.5 <0.1 5.8
I5 11:56 <0.5 21.5 6.8 6.8 77.4 5.7 <0.1 <2.5
Date of Monitoring: 2/8/2017 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 8:44 <0.5 18.4 6.3 5.7 60.3 14.3 <0.1 17.95
C3b 9:09 <0.5 18.3 6.5 6.6 70.1 7.6 <0.1 5.75
I5 9:22 <0.5 18.3 6.8 5.2 55.0 6.1 <0.1 3.2
Date of Monitoring: 2/10/2017 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 12:26 <0.5 16.9 6.6 8.6 88.5 17.0 <0.1 18
C3b 11:50 <0.5 16.1 6.5 9.3 94.5 11.2 <0.1 7.3
I5 12:01 <0.5 15.2 6.7 8.5 85.1 8.1 <0.1 5.9
Date of Monitoring: 2/13/2017 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 11:17 <0.5 19.1 6.4 8.6 93.1 18.2 <0.1 14
C3b 11:46 <0.5 18.2 6.6 7.8 83.2 8.5 <0.1 4.15
I5 11:56 <0.5 18.0 7.1 8.1 85.3 6.4 <0.1 <2.5