Table 10.2 Observations and Recommendations during Site Audits

Parameters	Date	Observations and Recommendations	Follow-up
Contract No.: ND/2019/01
Water Quality	09/09/2025	Cut-off drainage at Pak Shek Au should be provided to prevent runoff going through site surface.	Improvement/Rectification was observed during follow-up audit session on 17 September 2025.
Contract No.: ND/2019/02
Water Quality	27/08/2025	Sand bag bund should be enhanced along the boundary of works at CH1680.	Item was remarked as 250903-R01. Follow-up action is needed to be reviewed.
	03/09/2025		Item was remarked as 250910-R01. Follow-up action is needed to be reviewed.
	10/09/2025		Improvement/Rectification was observed during follow-up audit session on 17 September 2025.
	27/08/2025	Exposed slope next to Sheung Yue River should be covered and maintained properly.	Item was remarked as 250903-R02. Follow-up action is needed to be reviewed.
	03/09/2025		Item was remarked as 250910-R02. Follow-up action is needed to be reviewed.
	10/09/2025		Item was remarked as 250917-R02. Follow-up action is needed to be reviewed.
	17/09/2025		Item was remarked as 250923-R01. Follow-up action is needed to be reviewed.
	23/09/2025		Improvement/Rectification was observed during follow-up audit session on 30 September 2025.
	03/09/2025	Improper temporary drainage management causing muddy water direct discharge was observed from the works area CH1680. Contractor was reminded to rectify immediately.	Improvement/Rectification was observed during follow-up audit session on 10 September 2025.
	10/09/2025	Used bentonite slurries should be collected and stored properly.	Item was remarked as 250917-R04. Follow-up action is needed to be reviewed.
	17/09/2025		Item was remarked as 250923-R03. Follow-up action is needed to be reviewed.
	23/09/2025		Item was remarked as 250930-R03. Follow-up action is needed to be reviewed.
	30/09/2025		Follow-up action is needed to be reported in the following month.
Air Quality	17/09/2025	Stockpile of dusty material near VC should be covered by impervious sheeting properly.	Improvement/Rectification was observed during follow-up audit session on 23 September 2025.
Ecology	27/08/2025	Silt curtain should be maintained properly and regularly.	Item was remarked as 250903-R03. Follow-up action is needed to be reviewed.
	03/09/2025		Item was remarked as 250910-R03. Follow-up action is needed to be reviewed.
	10/09/2025		Item was remarked as 250917-R03. Follow-up action is needed to be reviewed.
	17/09/2025		Item was remarked as 250923-R02. Follow-up action is needed to be reviewed.
	23/09/2025		Item was remarked as 250930-R02. Follow-up action is needed to be reviewed.
	30/09/2025		Follow-up action is needed to be reported in the following month.
Waste/Chemical Management	30/09/2025	Drip tray for chemical/fuel containers at CH1680 should be provided.	Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/04
Water Quality	28/08/2025	Sand bag bunds should be supplemented to avoid surface runoff entering Ng Tung River.	Item was remarked as 250904-R01. Follow-up action is needed to be reviewed.
	04/09/2025		Item was remarked as 250911-R01. Follow-up action is needed to be reviewed.
	11/09/2025		Improvement/Rectification was observed during follow-up audit session on 18 September 2025.
Ecology	28/08/2025	2m high dull green barrier along the 10m buffer zone should be erected and maintained properly.	Item was remarked as 250904-R02. Follow-up action is needed to be reviewed.
	04/09/2025		Improvement/Rectification was observed during follow-up audit session on 11 September 2025.
Contract No.: ND/2019/05
Waste/Chemical Management	09/09/2025	Drip tray for the chemical/fuel containers at C1-03 should be provided.	Improvement/Rectification was observed during follow-up audit session on 16 September 2025.
Air Quality	16/09/2025	Faded NRMM label should be replaced.	Improvement/Rectification was observed during follow-up audit session on 22 September 2025.
	16/09/2025	Stockpile of dusty material should be covered by impervious sheets properly or remove.	Improvement/Rectification was observed during follow-up audit session on 22 September 2025.
	16/09/2025	NRMM label on regulated machine should be displayed properly.	Improvement/Rectification was observed during follow-up audit session on 22 September 2025.
	22/09/2025	Stockpile of dusty material should be covered by impervious sheets properly.	Improvement/Rectification was observed during follow-up audit session on 29 September 2025.
Contract No.: ND/2019/07
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