Table 10.2 Observations and Recommendations during Site Audits

Parameters	Date	Observations and Recommendations	Follow-up
Contract No.: ND/2019/01
Water Quality	26/09/2023	Water pump failure causing muddy water overflow within the site boundary near Pak Shek Au should be fixed immediately.	Item remarked as 231003-R02. Follow-up action is needed to be review.
	03/10/2023	Enhance the trench surrounding the site at Pak Shek Au to prevent muddy runoff discharge.	Improvement/Rectification was observed during follow-up audit session on 11 Oct 2023.
	11/10/2023	Review the capacity of the sump pit at Portion 9b.	Improvement/Rectification was observed during follow-up audit session on 17 Oct 2023.
	17/10/2023	Temporary drainage was blocked by concrete paving. Contractor was reminded to remove such paving and ensure the proper function of temporary drainage system.	Improvement/Rectification was observed during follow-up audit session on 24 Oct 2023.
	26/09/2023	Barricade with geotextile should be installed surrounding the channels at RC3, enhance the adequacy of water pump usage, increase the capacity of temporary sedimentation pond, clear the U channel and ensure the sandbag barrier is fully enclosed at Portion 1B and 1C.	Item was remarked as 231003-R01a to R01c for easy reference. Follow-up action is needed to be review.
	03/10/2023	Enhance the adequacy of water pump usage.	Item was remarked as 231011-R02 for easy reference. Follow-up action is needed to be review.
	03/10/2023	Barricade with geotextile should be installed surrounding the channels at RC3.
	03/10/2023	The capacity of temporary sedimentation pond should be increased.
	11/10/2023	Mitigation measures rectification works at RC2 and RC3 were noted. The performance and efficiency of these works will be kept in view in the future inspections.	Item was remarked as 231017-R01 for easy reference. Follow-up action is needed to be review.
	17/10/2023		Improvement/Rectification was observed during follow-up audit session on 24 Oct 2023.
	24/10/2023	The bare soil next to the nullah at Portion 1B should be properly covered with tarpaulin sheet.	Improvement/Rectification was observed during follow-up audit session on 31 Oct 2023.
	24/10/2023	The inactive exposed slope at Pak Shek Au should be properly covered with tarpaulin sheet.	Improvement/Rectification was observed during follow-up audit session on 31 Oct 2023.
	24/10/2023	The deposited sediment at the drainage channel at RC3 should be regularly cleared.	Improvement/Rectification was observed during follow-up audit session on 31 Oct 2023.
Air Quality	26/09/2023	The Contractor was reminded to provide sufficient water-spraying to enhance dust suppression measures.	Improvement/Rectification was observed during follow-up audit session on 3 Oct 2023.
	24/10/2023	No enclosure on 3 sides and top shelter was provided for the dusty (cement) generation works and no cover for the temporary storage of cement bags at Portion 8A. The Contractor was reminded to provide appropriate dust suppression measures for these works.	Improvement/Rectification was observed during follow-up audit session on 31 Oct 2023.
	24/10/2023	The sediment at the paved haul road should be cleared (Portion 1B).	Improvement/Rectification was observed during follow-up audit session on 31 Oct 2023.
	24/10/2023	The bare soil next to the nullah at Portion 1B should be properly covered with tarpaulin sheet.	Improvement/Rectification was observed during follow-up audit session on 31 Oct 2023.
	24/10/2023	The inactive exposed slope at Pak Shek Au should be properly covered with tarpaulin sheet.	Improvement/Rectification was observed during follow-up audit session on 31 Oct 2023.
	31/10/2023	Dusty debris was observed at 9b exit. Contractor was reminded to clean it ASAP.	Follow-up action is needed to be reported in the following month.
	31/10/2023	Cover the temporary storage of cement bags at Pak Shek Au.	Follow-up action is needed to be reported in the following month.
Waste / Chemical Management	31/10/2023	Provide drip tray for the chemical / fuel containers at Portion 8A.	Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/02
Water Quality	27/09/2023	Drainage system should be maintained properly along the riverside and VC, mitigation measures including fully enclosed sand bag barrier should be implemented.	Item remarked as 231004-R03. Follow-up action is needed to be review.
	04/10/2023	Collected waste water should be properly diverted to waste water treatment facilities.	Item remarked as 231011-R03. Follow-up action is needed to be review.
	11/10/2023		Item remarked as 231018-R03. Follow-up action is needed to be review.
	18/10/2023		Improvement/Rectification was observed during follow-up audit session on 27 Oct 2023.
	27/09/2023	Exposed slope surface should be covered by tarpaulin sheets properly.	Improvement/Rectification was observed during follow-up audit session on 4 Oct 2023.
	04/10/2023	Water mitigation measures should be provided to prevent material from the stockpile from falling into Shek Sheung River.	Improvement/Rectification was observed during follow-up audit session on 11 Oct 2023.
	18/10/2023	Accumulated muddy silt were observed under wastewater treatment facilities. Contractor are reminded to provide water mitigation measures to ensure that there are no muddy runoff discharge into Sheung Yue River.	Improvement/Rectification was observed during follow-up audit session on 27 Oct 2023.
	04/10/2023	Vehicles should be properly cleaned before leaving the site.	Item remarked as 231011-R04. Follow-up action is needed to be review.
	11/10/2023		Improvement/Rectification was observed during follow-up audit session on 18 Oct 2023.
	27/10/2023	Contractor was reminded to enhance the existing mitigation measures to prevent muddy discharge outside of site boundary at the exit next to the cycling track.	Follow-up action is needed to be reported in the following month.
	27/10/2023	Wheel-washing facilities should be provided and used at vehicle exits at Ho Sheung Heung and Dills Corner site area to ensure that vehicles are cleaned before leaving the site.	Follow-up action is needed to be reported in the following month.
Ecology	27/09/2023	The silt curtain under the bridge should be maintained properly and regularly.	Item remarked as 231004-R02. Follow-up action is needed to be review.
	04/10/2023		Improvement/Rectification was observed during follow-up audit session on 11 Oct 2023.
	11/10/2023	Small gap between the silt curtains should be covered by geotextile.	Item remarked as 231018-R02. Follow-up action is needed to be review.
	18/10/2023		Improvement/Rectification was observed during follow-up audit session on 27 Oct 2023.
Landscape and Visual	27/09/2023	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 231004-R01. Follow-up action is needed to be review.
	04/10/2023		Item remarked as 231011-R01. Follow-up action is needed to be review.
	11/10/2023		Item remarked as 231018-R01. Follow-up action is needed to be review.
	18/10/2023		Item remarked as 231027-R01. Follow-up action is needed to be review.
	27/10/2023		Follow-up action is needed to be reported in the following month.
	27/09/2023	Tree protection zone should be maintained properly and regularly. / Construction works of the VC exceeding site boundary causing damage to trees within 2m from site boundaries.	Improvement/Rectification was observed during follow-up audit session on 4 Oct 2023.
Waste / Chemical Management	27/10/2023	Contractor was reminded to clear the chemical spillage.	Follow-up action is needed to be reported in the following month.
Permit / Licences	27/10/2023	The Environmental Permit should be displayed on site ay Dills Corner site area.	Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/03
Air Quality	29/09/2023	Dusty stockpiles should be covered with tarpaulin sheets.	Item remarked as 231006-R01. Follow-up action is needed to be review.
	06/10/2023		Item remarked as 231013-R01. Follow-up action is needed to be review.
	13/10/2023		Improvement/Rectification was observed during follow-up audit session on 17 Oct 2023.
Water Quality	29/09/2023	Provide adequate wheel-washing facilities for each vehicle exits.	Item remarked as 231006-O01. Follow-up action is needed to be review.
	06/10/2023		Item remarked as 231013-O01. Follow-up action is needed to be review.
	13/10/2023		Item remarked as 231017-O01. Follow-up action is needed to be review.
	17/10/2023		Improvement/Rectification was observed during follow-up audit session on 27 Oct 2023.
	29/09/2023	Provide sand bags to prevent muddy water discharge.	Improvement/Rectification was observed during follow-up audit session on 6 Oct 2023.
Contract No.: ND/2019/04
Water Quality	28/09/2023	All vehicles should be cleaned of earth, mud and debris before leaving the site.	Item remarked as 231005-R01. Follow-up action is needed to be review.
	05/10/2023		Item remarked as 231012-R01. Follow-up action is needed to be review.
	12/10/2023	Wheel washing facilities should be provided at every site exit.	Item remarked as 231018-R01. Follow-up action is needed to be review.
	18/10/2023		Item remarked as 231026-R01. Follow-up action is needed to be review.
	26/10/2023		Follow-up action is needed to be reported in the following month.
	28/09/2023	Water quality mitigation measures along Ng Tung River should be provided, e.g. sand bag barrier.	Improvement/Rectification was observed during follow-up audit session on 5 Oct 2023.
	18/10/2023	Mitigation measures should be enhanced to avoid surface runoff discharge into Ng Tung River.	Item remarked as 231026-R03. Follow-up action is needed to be review.
	26/10/2023		Follow-up action is needed to be reported in the following month.
Ecology	28/09/2023	Silt curtain at Bridge F should be fully enclosed.	Improvement/Rectification was observed during follow-up audit session on 5 Oct 2023.
Air Quality	28/09/2023	Sufficient water-spraying should be provided regularly.	Improvement/Rectification was observed during follow-up audit session on 5 Oct 2023.
	05/10/2023	Dusty stockpile should be covered by impervious sheeting or sprayed with water.	Improvement/Rectification was observed during follow-up audit session on 12 Oct 2023.
	05/10/2023	More than 20 bags of cement should be covered properly.	Improvement/Rectification was observed during follow-up audit session on 12 Oct 2023.
Noise	28/09/2023	Noise barrier should be maintained properly.	Item remarked as 231005-R02 Follow-up action is needed to be review.
	05/10/2023		Item remarked as 231012-R02 Follow-up action is needed to be review.
	12/10/2023		Item remarked as 231018-R02 Follow-up action is needed to be review.
	18/10/2023		Item remarked as 231026-R02 Follow-up action is needed to be review.
	26/10/2023		Follow-up action is needed to be reported in the following month.
Waste / Chemical Management	05/10/2023	Drip tray should be provided with adequate capacity.	Improvement/Rectification was observed during follow-up audit session on 12 Oct 2023.
	26/10/2023	General refuse should be disposed of regularly and properly.	Follow-up action is needed to be reported in the following month.
Contract No.: ND/2019/05
Water Quality	26/09/2023	Blue hose attached to water pump should be kept away from the riverside.	Improvement/Rectification was observed during follow-up audit session on 3 Oct 2023.
	10/10/2023	Provide maintenance of impervious sheeting for the exposed slope at Portion 3.	Improvement/Rectification was observed during follow-up audit session on 19 Oct 2023.
	19/10/2023	Drainage management of the E2-02 exit should be enhanced to avoid surface runoff discharge into inappropriate watercourse.	Item remarked as 231024-R03 Follow-up action is needed to be review.
	24/10/2023		Improvement/Rectification was observed during follow-up audit session on 30 Oct 2023.
Waste / Chemical Management	03/10/2023	Drip tray for the chemical / fuel containers should be provided at Portion 2.	Improvement/Rectification was observed during follow-up audit session on 10 Oct 2023.
	10/10/2023	Provide drip tray for chemical / fuel containers at Portion 3.	Improvement/Rectification was observed during follow-up audit session on 19 Oct 2023.
	10/10/2023	Keep clean and tidy at Portion 3	Item remarked as 231019-R01 Follow-up action is needed to be review.
	19/10/2023		Item remarked as 231024-R01 Follow-up action is needed to be review.
	24/10/2023		Item remarked as 231030-R01 Follow-up action is needed to be review.
	30/10/2023		Follow-up action is needed to be reported in the following month.
Air Quality	19/10/2023	Faded NRMM label on the generator located at E2-02 should be replaced.	Improvement/Rectification was observed during follow-up audit session on 24 Oct 2023.
	24/10/2023	Dusty stockpile should be covered properly, or removed from the area near the exit of E2-02.	Improvement/Rectification was observed during follow-up audit session on 30 Oct 2023.
Contract No.: ND/2019/06
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Contract No.: ND/2019/07
Air Quality	06/10/2023	Dusty stockpile should be covered properly to avoid dust generation.	Improvement/Rectification was observed during follow-up audit session on 13 Oct 2023.
Water Quality	13/10/2023	Exposed slope surface should be covered properly to avoid surface ru noff.	Improvement/Rectification was observed during follow-up audit session on 20 Oct 2023.