Table 10.2 Observations and Recommendations during Site Audits

Parameters	Date	Observations and Recommendations	Follow-up
Contract No.: ND/2019/01
Water Quality	17/01/2024	Temporary drainage system at Pak Shek Au should be reviewed to prevent muddy water discharge in the coming wet season.	Improvement/Rectification was observed during follow-up audit session on 23 Jan 2024.
	23/01/2024	Temporary drainage system at Portion 1C should be maintained.	Improvement/Rectification was observed during follow-up audit session on 30 Jan 2024.
	23/01/2024	Debris and litter in RC2 should be cleared.	Improvement/Rectification was observed during follow-up audit session on 30 Jan 2024.
	30/01/2024	Groundwater pumped out should be redirected to treatment facilities.	Follow-up action is needed to be reported in the following month.
Air Quality	02/01/2024	Dust suppression should be enhanced at Portion 3 and 13.	Improvement/Rectification was observed during follow-up audit session on 9 Jan 2024.
	02/01/2024	The NRMM label of the generator at Portion 3 should be displayed properly.	Improvement/Rectification was observed during follow-up audit session on 9 Jan 2024.
	09/01/2024	Mitigation measures for dust impact at Portion 3 should be enhanced. Dust generation of exposed haul road was observed during the site inspection.	Improvement/Rectification was observed during follow-up audit session on 17 Jan 2024.
	17/01/2023	The haul road at Portion 6A should be kept clean and free from dust.	Improvement/Rectification was observed during follow-up audit session on 23 Jan 2024.
Waste / Chemical Management	17/01/2024	Drip tray for the chemical/fuel containers should be provided at Pak Shek Au.	Improvement/Rectification was observed during follow-up audit session on 23 Jan 2024.
	30/01/2024	Drip tray should be provided to chemical container.	Follow-up action is needed to be reported in the following month.
Noise	28/12/2023	The NEL of the air compressor at Portion 8a should be displayed.	Improvement/Rectification was observed during follow-up audit session on 2 Jan 2024.
Contract No.: ND/2019/02
Water Quality	29/12/2023	Silt accumulating in the nullah near the water outlet at the material storage should be cleared continuously. Contractor was also reminded to enhance water mitigation measures to prevent further accumulation of silt.	Item remarked as 240103-R02. Follow-up action is needed to be review.
	03/01/2024	Silt accumulating in the nullah at Portion 11 should be cleared. Contractor was also reminded to enhance water mitigation measures to prevent further accumulation.	Item remarked as 240110-R02. Follow-up action is needed to be review.
	10/01/2024		Item remarked as 240117-R02. Follow-up action is needed to be review.
	17/01/2024		Item remarked as 240124-R02. Follow-up action is needed to be review.
	24/01/2024	Muddy debris in the U-channel near the nullah at Portion 11 should be cleared.	Item remarked as 240131-R02. Follow-up action is needed to be review.
	31/01/2024		Follow-up action is needed to be reported in the following month.
	29/12/2023	Enhance the mitigation measures to prevent waste or surface runoff for the discharge point of Portion 1.	Item remarked as 240103-R03. Follow-up action is needed to be review.
	03/01/2024		Improvement/Rectification was observed during follow-up audit session on 10 Jan 2024.
	29/12/2023	Provide maintenance to impervious sheeting on the exposed slope at Portion 5.	Improvement/Rectification was observed during follow-up audit session on 3 Jan 2024.
	29/12/2023	Contractor was reminded to ensure the vehicles are properly cleaned of dirt and dust before leaving the site.	Item remarked as 240103-R04. Follow-up action is needed to be review.
	03/01/2024		Improvement/Rectification was observed during follow-up audit session on 10 Jan 2024.
	24/01/2024	Vehicles should be properly cleared of earth and dust before leaving the site.	Improvement/Rectification was observed during follow-up audit session on 31 Jan 2024.
	03/01/2024	Proper drainage system should be established at Portion 2 as soon as possible.	Item remarked as 240110-O01. Follow-up action is needed to be review.
	10/01/2024		Improvement/Rectification was observed during follow-up audit session on 17 Jan 2024.
	03/01/2024	Silt accumulating in WetSep should be cleared to ensure water treatment capacity of the WetSep.	Item remarked as 240110-R03. Follow-up action is needed to be review.
	10/01/2024		Improvement/Rectification was observed during follow-up audit session on 17 Jan 2024.
	10/01/2024	Debris and mud were observed at nearby WetSep. Contractor was reminded to clean it and enhance the water mitigation measure to avoid surface runoff.	Improvement/Rectification was observed during follow-up audit session on 17 Jan 2024.
	10/01/2024	Clean the mud inside the silt curtain as maintenance.	Item remarked as 240117-R04. Follow-up action is needed to be review.
	17/01/2024		Improvement/Rectification was observed during follow-up audit session on 24 Jan 2024.
	10/01/2024	Provide impervious sheeting for the exposed slope.	Improvement/Rectification was observed during follow-up audit session on 17 Jan 2024.
	17/01/2024	Treated water was discharged into inappropriate location. Contractor was reminded to discharge water into the valid point.	Item remarked as 240124-O01. Follow-up action is needed to be review.
	24/01/2024		Item remarked as 240131-O01. Follow-up action is needed to be review.
	31/01/2024		Follow-up action is needed to be reported in the following month.
	17/01/2024	Enhance the water mitigation measure to avoid surface runoff to nearby watercourse.	Item remarked as 240124-R04. Follow-up action is needed to be review.
	24/01/2024	Water mitigation measures should be provided for the works area next to Shek Sheung River to prevent muddy runoff from discharging into the river.	Item remarked as 240131-R03. Follow-up action is needed to be review.
	31/01/2024		Follow-up action is needed to be reported in the following month.
	31/01/2024	Enhance the water mitigation measure to avoid surface runoff. (Portion 5)	Follow-up action is needed to be reported in the following month.
Air Quality	29/12/2023	Dusty stockpile and exposed slopes should be covered with tarpaulin sheets.	Improvement/Rectification was observed during follow-up audit session on 3 Jan 2024.
	10/01/2024	Provide impervious sheeting for the dusty stockpile.	Improvement/Rectification was observed during follow-up audit session on 17 Jan 2024.
Landscape and Visual	29/12/2023	The removed green hoarding along Sheung Yue River due to the construction works should be replaced and maintained properly as soon as possible.	Item remarked as 240103-R01. Follow-up action is needed to be review.
	03/01/2024		Item remarked as 240110-R01. Follow-up action is needed to be review.
	10/01/2024		Item remarked as 240117-R01. Follow-up action is needed to be review.
	17/01/2024		Item remarked as 240124-R01. Follow-up action is needed to be review.
	24/01/2024		Item remarked as 240131-R01. Follow-up action is needed to be review.
	31/01/2024		Follow-up action is needed to be reported in the following month.
Waste / Chemical Management	03/01/2024	Oil leakage was observed. Contractor was reminded to clear the oil leakage immediately.	Improvement/Rectification was observed during follow-up audit session on 10 Jan 2024.
	10/01/2024	Keep site tidy and clean avoid waste accumulation.	Improvement/Rectification was observed during follow-up audit session on 17 Jan 2024.
	17/01/2024	Keep site tidy and clean to avoid waste accumulation for Dills Corner.	Improvement/Rectification was observed during follow-up audit session on 24 Jan 2024.
	17/01/2024	Provide drip tray for the chemical/fuel containers for Dills Corner.	Improvement/Rectification was observed during follow-up audit session on 24 Jan 2024.
	31/01/2024	Provide drip tray for the chemical/fuel containers. (Portion 5)	Follow-up action is needed to be reported in the following month.
Ecology	03/01/2024	The removed green hoarding along Sheung Yue River due to the construction works should be replaced and maintained properly as soon as possible.	Item remarked as 240110-R01. Follow-up action is needed to be review.
	10/01/2024		Item remarked as 240117-R01. Follow-up action is needed to be review.
	17/01/2024		Item remarked as 240124-R01. Follow-up action is needed to be review.
	24/01/2024		Item remarked as 240131-R01. Follow-up action is needed to be review.
	31/01/2024		Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/03
Air Quality	05/01/2024	Exposed work site should be sprayed with water as dust suppression.	Improvement/Rectification was observed during follow-up audit session on 12 Jan 2024.
Water Quality	23/01/2024	Wheel-washing facilities should be provided at the site entrance/exit.	Follow-up action is needed to be reported in the following month.
Waste/Chemical Management	23/01/2024	The chemical/fuel containers should be placed inside the drip tray.	Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/04
Air Quality	04/01/2024	The exposed haul road at Portion K should be sprayed with water regularly as dust suppression.	Improvement/Rectification was observed during follow-up audit session on 11 Jan 2024.
	15/01/2024	Dust suppression measures should be enhanced e.g. water-spraying.	Improvement/Rectification was observed during follow-up audit session on 15 Jan 2024.
	25/01/2024	The haul road at Portion K should be watered regularly as dust suppression.	Follow-up action is needed to be reported in the following month.
	25/01/2024	Dusty stockpile at Portion K should be covered properly to reduce dust emission.	Follow-up action is needed to be reported in the following month.
Ecology	28/12/2023	The silt curtain at Bridge F should be maintained properly and regularly.	Item remarked as 240104-R01. Follow-up action is needed to be review.
	04/01/2024		Improvement/Rectification was observed during follow-up audit session on 11 Jan 2024.
	11/01/2024	The 2m high green barrier of the 10m vegetated buffer zone between A2-03 and A2-04 should be maintained properly and regularly.	Item remarked as 240115-R03. Follow-up action is needed to be review.
	15/01/2024		Item remarked as 240125-R04. Follow-up action is needed to be review.
	25/01/2024		Follow-up action is needed to be reported in the following month.
Waste / Chemical Management	15/01/2024	General refuse should be disposed of regularly and properly at depressed road A.	Improvement/Rectification was observed during follow-up audit session on 15 Jan 2024.
	25/01/2024	Drip tray for the chemical/fuel containers should be provided. Oil spillage was observed.	Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/05
Waste / Chemical Management	08/01/2024	Drip tray should be provided for the chemical/fuel containers at C4-01b.	Improvement/Rectification was observed during follow-up audit session on 18 Jan 2024.
Water Quality	18/01/2024	Enhance the water mitigation measure to avoid surface runoff at Bridge C.	Improvement/Rectification was observed during follow-up audit session on 22 Jan 2024.
	29/01/2024	Sandbag barriers should be enhanced at D2-01 to make sure the surface runoff stays in the site boundary.	Follow-up action is needed to be reported in the following month.
Air Quality	18/01/2024	Provide valid NRMM label for the generator at C1-03b.	Improvement/Rectification was observed during follow-up audit session on 22 Jan 2024.
Contract No.: ND/2019/06
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Contract No.: ND/2019/07
Waste/Chemical Management	19/01/2024	Keep site tidy and clean at near Ma Sik Road.	Improvement/Rectification was observed during follow-up audit session on 26 Jan 2024.