Table 5.1 – Observations and Recommendations of Site Audit

Parameters

Date

Observations and Recommendations

Follow-up

Air Quality

4 Jan 2023

Recommendation 1:

The Contractor is recommended to increase watering for dust suppression at haul roads (Portion 1 - YLSTW).

4 Jan 2023

14 Feb 2023

Observation 1: Fugitive dust is observed at TTS area. Provide mitigation measure e.g. increase water spraying for dust suppression at TTS area (Portion 1 - YLSTW).

28 Feb 2023

21 Feb 2023

Reminder 1: The Contractor is reminded to increase watering for dust suppression at TTS area (Portion 1 - YLSTW).

28 Feb 2023

14 Mar 2023

Reminder 2: The Contractor is reminded to increase watering for dust suppression at TTS area (Portion 1 - YLSTW).

14 Mar 2023

Noise

10 Jan 2023

Reminder 1:

The Contractor is reminded to maintain and reinstate the silentup at the northern site boundary (Portion 1 - YLSTW).

11 Jan 2023

Water Quality

29 Mar 2023

Recommendation 2: The Contractor is recommended to provide mitigation measures to prevent silty runoff getting into the storm drain in STB and TTS Areas (Portion 1 - YLSTW).

NA

Chemical and Waste Management

18 Jan 2023

Reminder 1:

The Contractor is reminded to provide drip tray for the oil drum to prevent spillage (Portion 1 - YLSTW).

20 Jan 2023

1 Feb 2023

Reminder 1: The Contractor is reminded to provide drip tray for the chemical containers. (Portion 1 - YLSTW).

2 Feb 2023

14 Mar 2023

Reminder 1: The Contractor is reminded to clear the oil stain on ground under the compressor and treat it as chemical waste for disposal (Portion 1 - YLSTW).

14 Mar 2023

Land Contamination

NA

Ecological Impact

29 Mar 2023

Recommendation 1: The Contractor is recommended to maintain and reinstate the bird curtains at the eastern and northern site boundary (Portion 1 - YLSTW).

NA

Landscape and Visual Impact

10 Jan 2023

Reminder 1:

Remove stockpile (uPVC pipes) inside Tree Protection Zone of T188 (Portion 1 - YLSTW).

11 Jan 2023

26 Jan 2023

Reminder 1:

The Contractor is reminded to erect a proper Tree Protection Zone for preserved trees T183 – T187 (Portion 1 - YLSTW).

31 Jan 2023

21 Feb 2023

Recommendation 1: Crown cleaning to remove broken and hanging branches at east side of TTS (Portion 1 - YLSTW).

28 Feb 2023

28 Feb 2023

Recommendation 1: Please observe proper pruning procedures to avoid causing damages to the branches to be pruned (Portion 1 - YLSTW).

28 Feb 2023

14 Mar 2023

Reminder 1: Please keep tree protection zone free of construction materials (Portion 1 - YLSTW).

14 Mar 2023

Permit / Licenses

NA

Others

NA