Table 5.1 Observations and Recommendations of Site Audit

Parameters	Date	Observations and Recommendations		Follow-up
Air Quality	7 December 2017	Open stockpile should be covered with impermeable sheeting to facilitate dust suppression (Portion I). Open stockpile shall be covered with impermeable sheeting Properly.		The item was rectified by the Contractor and inspected on 14 December 2017.
	7 December 2017	Dusty materials have accumulated on the ground surface on Portion I. Regular cleaning should be carried out.		The item was rectified by the Contractor and inspected on 14 December 2017.
	11 January 2018	Broken concrete should be removed promptly (Zone 4).		The item was rectified by the Contractor and inspected on 17 January 2018.
	17 January 2018	The load of dusty materials carried by vehicle leaving the site should be covered by impervious sheeting.		The item was rectified by the Contractor and inspected on 25 January 2018.
	8 February 2018	Contractor was reminded to conduct frequent watering on excavation area to suppress dust (Zone 2).		The item was rectified by the Contractor and inspected on 14 February 2018.
	14 February 2018	Open stockpile were observed (Zone 4). Open stockpile shall be removed or cover properly.		The item was rectified by the Contractor and inspected on 22 February 2018.
Noise	7 December 2017	Acoustic fabric should be used for the operation of breaking tip (Zone 4). Acoustic fabric shall be provided to reduce noise.		The item was rectified by the Contractor and inspected on 14 December 2017.
	28 December 2017	When operating breaking tip, acoustic fabric should be used to reduce noise generation (Zone 2). Acoustic fabric shall be provided.		The item was rectified by the Contractor and inspected on 4 January 2018.
Water Quality	14 December 2017	Untreated construction runoff was found flow into the drainage (Zone 1). Contractor should prevent untreated construction runoff discharge into drainage, mitigation measures shall be carried out.	The item was rectified by the Contractor and inspected on 20 December 2017.
	11 January 2018	Construction runoff was discharged into drainage without treatment (Zone 1). Sand bag should be provided to prevent direct discharge of construction runoff.	The item was rectified by the Contractor and inspected on 17 January 2018.
	22 February 2018	Debris and silt were found near the drainage opening (Zone 2). Sandbag or other mitigation measures should be provided.	The item was rectified by the Contractor and inspected on 1 March 2018.
Chemical and Waste Management	14 February 2018	Leakage of drip tray was observed (Zone 1). The drip tray shall be removed or replaced.		The item was rectified by the Contractor and inspected on 22 February 2018.
	14 February 2018	Open stockpile were observed (Zone 4). Open stockpile shall be removed or cover properly.		The item was rectified by the Contractor and inspected on 22 February 2018.
Land Contamination	NA
Landscape and Visual Impact	11 January 2018	Broken concrete should be removed promptly (Zone 4).		The item was rectified by the Contractor and inspected on 17 January 2018.
	14 February 2018	Open stockpile were observed (Zone 4). Open stockpile shall be removed or cover properly.		The item was rectified by the Contractor and inspected on 22 February 2018.
General	NA