Table 10.2 Observations and Recommendations during Site Audits

Parameters	Date	Observations and Recommendations	Follow-up
Contract No.: ND/2019/01
Water Quality	19/12/2023	The litter in RC2 at Portion 1B should be cleared. RC2 should be maintained properly.	Improvement/Rectification was observed during follow-up audit session on 28 Dec 2023.
Air Quality	05/12/2023	Provide impervious sheeting for the dusty stockpile at portion 2.	Improvement/Rectification was observed during follow-up audit session on 12 Dec 2023.
	05/12/2023	Provide valid NRMM label for the generator at portion 5.	Improvement/Rectification was observed during follow-up audit session on 12 Dec 2023.
	12/12/2023	Review and enhance the condition of hydroseeding at Pak Shek Au.	Item remarked as 231219-R02. Follow-up action is needed to be review.
	19/12/2023		Improvement/Rectification was observed during follow-up audit session on 28 Dec 2023.
	19/12/2023	Review and enhance the condition of hydroseeding at Portion 1C.	Improvement/Rectification was observed during follow-up audit session on 28 Dec 2023.
Waste / Chemical Management	05/12/2023	Keep clean and tidy for the portion 9b.	Improvement/Rectification was observed during follow-up audit session on 12 Dec 2023.
	12/12/2023	Fell trees and yard waste should be cleared at Pak Shek Au.	Improvement/Rectification was observed during follow-up audit session on 19 Dec 2023.
Landscape and Visual	12/12/2023	Tree protection zone should be provided for the retained trees at Portion 11b.	Improvement/Rectification was observed during follow-up audit session on 19 Dec 2023.
Noise	28/12/2023	The NEL of the air compressor at Portion 8a should be displayed.	Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/02
Water Quality	29/11/2023	Provide maintenance for the water mitigation measure to prevent surface runoff.	Improvement/Rectification was observed during follow-up audit session on 6 Dec 2023.
	29/11/2023	Provide maintenance for the sandbags to prevent muddy water/ debris discharge onto cycling track.	Improvement/Rectification was observed during follow-up audit session on 6 Dec 2023.
	29/11/2023	Provide maintenance to the concrete bund to prevent wheel-washing wastewater discharge.	Item remarked as 231206-R02. Follow-up action is needed to be review.
	06/12/2023		Item remarked as 231214-R02. Follow-up action is needed to be review.
	14/12/2023		Improvement/Rectification was observed during follow-up audit session on 20 Dec 2023.
	29/11/2023	Exposed slope at Portion 5 should be properly covered by tarpaulin sheets.	Improvement/Rectification was observed during follow-up audit session on 6 Dec 2023.
	29/11/2023	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 231206-R03. Follow-up action is needed to be review.
	06/12/2023		Item remarked as 231214-R03. Follow-up action is needed to be review.
	14/12/2023		Item remarked as 231220-R02. Follow-up action is needed to be review.
	20/12/2023		Item remarked as 231229-R02. Follow-up action is needed to be review.
	29/12/2023		Follow-up action is needed to be reported in the following month.
	29/11/2023	Muddy water in Portion 11 should be cleared immediately to avoid overflow.	Improvement/Rectification was observed during follow-up audit session on 6 Dec 2023.
	29/11/2023	Leakage of muddy water was observed at Portion 4. Contractor was reminded to repair the drainage system.	Improvement/Rectification was observed during follow-up audit session on 6 Dec 2023.
	29/11/2023	Leakage of untreated water was observed. Contractor was reminded to review the water treatment system of Portion 5.	Improvement/Rectification was observed during follow-up audit session on 6 Dec 2023.
	06/12/2023	The channel should be properly blocked to prevent contamination.	Improvement/Rectification was observed during follow-up audit session on 14 Dec 2023.
	06/12/2023	Provide maintenance to sandbags to prevent muddy water/ debris discharge in river.	Improvement/Rectification was observed during follow-up audit session on 14 Dec 2023.
	06/12/2023	Regular cleaning of the garbage in Portion 11 should be conducted.	Improvement/Rectification was observed during follow-up audit session on 14 Dec 2023.
	14/12/2023	Enhance the mitigation measures to prevent waste or surface runoff for the discharge point of Portion 1.	Item remarked as 231220-R04. Follow-up action is needed to be review.
	20/12/2023		Item remarked as 231229-R03. Follow-up action is needed to be review.
	29/12/2023		Follow-up action is needed to be reported in the following month.
	20/12/2023	Provide maintenance to impervious sheeting on the exposed slope at Portion 5.	Item remarked as 231229-R04. Follow-up action is needed to be review.
	29/12/2023		Follow-up action is needed to be reported in the following month.
	20/12/2023	Accumulated ground water should be pumped out to wastewater treatment facilities prior to discharge.	Improvement/Rectification was observed during follow-up audit session on 29 Dec 2023.
	20/12/2023	Provide impervious sheeting for the exposed slope at Portion 4.	Improvement/Rectification was observed during follow-up audit session on 29 Dec 2023.
	29/12/2023	Contractor was reminded to ensure the vehicles are properly cleaned of dirt and dust before leaving the site.	Follow-up action is needed to be reported in the following month.
Air Quality	14/12/2023	Provide impervious sheeting for the exposed slope at Portion 4.	Item remarked as 231220-R03 (Water Quality). Follow-up action is needed to be review.
	20/12/2023	Exposed works sites and haul roads should be sprayed with water as dust suppression.	Improvement/Rectification was observed during follow-up audit session on 29 Dec 2023.
	29/12/2023	Dusty stockpile and exposed slopes should be covered with tarpaulin sheets.	Follow-up action is needed to be reported in the following month.
Landscape and Visual	29/11/2023	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 231206-R01. Follow-up action is needed to be review.
	06/12/2023		Item remarked as 231214-R01. Follow-up action is needed to be review.
	14/12/2023		Item remarked as 231220-R01. Follow-up action is needed to be review.
	20/12/2023		Item remarked as 231229-R01. Follow-up action is needed to be review.
	29/12/2023		Follow-up action is needed to be reported in the following month.
Waste / Chemical Management	29/11/2023	Provide drip tray for chemical/fuel container at visiting center.	Improvement/Rectification was observed during follow-up audit session on 6 Dec 2023.
	29/11/2023	Accumulation of general refuse should be avoided at the riverbank of Portion 11.	Item remarked as 231206-R04. Follow-up action is needed to be review.
	06/12/2023		Improvement/Rectification was observed during follow-up audit session on 14 Dec 2023.
	14/12/2023	Keep site clean and tidy at Portion 1.	Improvement/Rectification was observed during follow-up audit session on 20 Dec 2023.
Permit / Licences	20/12/2023	Construction Noise Permit should be available for inspection at site entrance.	Improvement/Rectification was observed during follow-up audit session on 29 Dec 2023.
Contract No.: ND/2019/03
Water Quality	08/12/2023	Contractor was reminded to ensure vehicles are properly washed before leaving the site.	Improvement/Rectification was observed during follow-up audit session on 15 Dec 2023.
Waste/Chemical Management	15/12/2023	Provide drip tray for chemical/fuel containers.	Improvement/Rectification was observed during follow-up audit session on 19 Dec 2023.
Contract No.: ND/2019/04
Water Quality	12/12/2023	Blue hoses should be kept away from the riverside near A3-03.	Item remarked as 231221-R02. Follow-up action is needed to be review.
	21/12/2023		Improvement/Rectification was observed during follow-up audit session on 28 Dec 2023.
Ecology	30/11/2023	The dull green barrier of the 10m buffer zone near Siu Hang San Tsuen should be maintained properly and regularly.	Item remarked as 231207-R02. Follow-up action is needed to be review.
	07/12/2023		Improvement/Rectification was observed during follow-up audit session on 12 Dec 2023.
	30/11/2023	The silt curtain next to A3-01 should be maintained properly	Item remarked as 231207-R03. Follow-up action is needed to be review.
	07/12/2023		Improvement/Rectification was observed during follow-up audit session on 12 Dec 2023.
	28/12/2023	The silt curtain at Bridge F should be maintained regularly and properly.	Follow-up action is needed to be reported in the following month.
Air Quality	30/11/2023	Stockpile of dusty material at A1-03 and Portion K should be covered by impervious sheets properly.	Improvement/Rectification was observed during follow-up audit session on 7 Dec 2023.
	07/12/2023	Exposed site area should be watered regularly as dust suppression at A1-03 and A3-03.	Improvement/Rectification was observed during follow-up audit session on 12 Dec 2023.
	12/12/2023	Dusty stockpile should be covered by impervious sheets properly at Portion K.	Item remarked as 231221-R01. Follow-up action is needed to be review.
	21/12/2023	Dusty stockpile at Portion K should be covered properly or watered regularly as dust suppression.	Improvement/Rectification was observed during follow-up audit session on 28 Dec 2023.
Waste / Chemical Management	07/12/2023	Accumulation of general refuse should be avoided at A1-05.	Improvement/Rectification was observed during follow-up audit session on 12 Dec 2023.
Contract No.: ND/2019/05
Waste / Chemical Management	04/12/2023	The construction site at On Lok Garden should be kept clean and tidy generally. The contractor was reminded to clear the waste regularly.	Improvement/Rectification was observed during follow-up audit session on 14 Dec 2023.
Water Quality	18/12/2023	Litter in the temporary drainage at B1-02a should be cleared and maintained properly.	Improvement/Rectification was observed during follow-up audit session on 27 Dec 2023.
Contract No.: ND/2019/06
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Contract No.: ND/2019/07
Waste/Chemical Management	22/12/2023	Ensure that the drip tray remains clear to maintain adequate capacity.	Improvement/Rectification was observed during follow-up audit session on 29 Dec 2023.