7 ENVIRONMENTAL site inspection

Site Audits

7.1 Site audits were carried out by ET on weekly basis to monitor the timely implementation of proper environmental management practices and mitigation measures in the Contract site. The summaries of site audits are attached in Appendix M.

7.2 Site audits were conducted on 6^th, 13^th, 20^th and 28^th October 2015 by ET after the commencement of construction works for the Contract. A joint site audit with the representative with IEC, SOR, the Contractor and the ET was carried out on 28^th October 2015. The details of observations during site audit can refer to Table 7.1.

7.3 According to EP condition 4.7 and EM&A Manual, periodic monitoring (every three months) of construction works shall be conducted to ensure the avoidance of any impacts on Sha Lo Wan (West) Archaeological Site. Access to Sha Lo Wan (West) Archaeological site for works areas and storage of construction equipment is not allowed. The 11^th inspection to the Sha Lo Wan (West) Archaeological Site was conducted on 21^st September 2015 and next inspection will be conducted in December 2015.

Implementation Status of Environmental Mitigation Measures

7.4 According to the EIA Study Report, Environmental Permit and the EM&A Manual, the mitigation measures detailed in the documents are recommended to be implemented during the construction phase. An updated summary of the EMIS is provided in Appendix N.

7.5 Regular marine travel route for marine vessels were implemented properly in accordance with the submitted plan and relevant records were kept properly.

7.6 Acoustic decoupling measures for the stationary equipment (generators, winch generators and air compressors) mounted on boards were adopted according to EP Condition 3.7 and EM&A Manual, Section 10.2.18.

7.7 Dolphin exclusion zone and dolphin watching plan according to EM&A Manual, Section 10.2.12 and EP Condition 3.5 was implemented by DCVJV’s trained dolphin watcher.

7.8 Spill kits and booms are ready on site for the event of accidental spillage of oil or other hazardous chemicals from construction activities including vessels operating for the Contract.

7.9 During site inspections in the reporting month, no non-conformance was identified. The observations and recommendations made during the audit sessions are summarized in Table 7.1.

Table 7.1 Observations and Recommendations of Site Audit

Parameters	Date	Observations and Recommendations	Follow-up
Water Quality	06/10/2015	The wastewater which pumping out from the pit area near P111 should be properly treated before discharging out.	Rectification/improvement was observed during the follow-up audit session on 13 October 2015.
	06/10/2015	To replace the worn sand bags for protecting the gully at P82.	Rectification/improvement was observed during the follow-up audit session on 13 October 2015.
	13/10/2015	Leakage of muddy water was observed from the cofferdam at P69. The Contractor was reminded to repair the damaged silt curtain to prevent the muddy water discharging to the sea.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	13/10/2015	Properly deploy the silt curtain at P82 and P106.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	20/10/2015	Muddy water was observed outside the silt curtain at P69. The Contractor was reminded to check the source of leakage and provide mitigation measures to rectify this deficiency as soon as possible.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	20/10/2015	The drainage system at Portion C and P82 should be reviewed and re-arranged to ensure all wastewater from site is collected and treated before discharging out.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	20/10/2015	To seal the base of water barrier with cement at P110.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
Ecology	06/10/2015	To erect the fencing for protecting trees at P102 and P91.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	13/10/2015	To erect the fencing for protecting trees at P102 and P91.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
Air Quality	06/10/2015	Clear the used cement bags at P110 or store it properly (i.e. cover with tarpaulin etc.) before disposal.	Rectification/improvement was observed during the follow-up audit session on 20 October 2015.
	13/10/2015	Properly cover the cement bags (<20bags) with tarpaulin sheet at P110. (bridge-deck)	Rectification/improvement was observed during the follow-up audit session on 20 October 2015.
	13/10/2015	Clear the used cement bags regularly or store it properly (i.e. cover with tarpaulin sheet) before disposal at P110. (bridge-deck)	Rectification/improvement was observed during the follow-up audit session on 20 October 2015.
	20/10/2015	Ensure the grout mixing area is fully enclosed with 3 sides and top shelter at P108 (bridge-deck).	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	28/10/2015	Debagged cement bags were observed not covered properly at P79. The Contractor was reminded to properly cover the debagged cement bags, e.g. sheltered on top and 3 sides.	Rectification/improvement was observed during the follow-up audit session on 3 November 2015.
Noise	N/A^(1)	N/A^(1)	N/A^(1)
Waste / Chemical Management	06/10/2015	Clear the accumulated rubbish at near P107 and P84.	Rectification/improvement was observed during the follow-up audit session on 20 October 2015.
	06/10/2015	Provide drip tray for the chemical containers at P84.	Rectification/improvement was observed during the follow-up audit session on 20 October 2015.
	13/10/2015	Oil leakage from the mobile crane and excavator was observed at P69 and P100 respectively. The Contractor was reminded to repair the equipment to avoid further oil leakage.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	13/10/2015	Clear the accumulated rubbish / construction wastes at P85, P86 and P87.	Rectification/improvement was observed during the follow-up audit session on 20 October 2015.
	13/10/2015	Provide drip tray for the chemical containers at P86.	Rectification/improvement was observed during the follow-up audit session on 20 October 2015.
	20/10/2015	Oil leakage from the mobile crane was observed at P69. The Contractor was reminded to clear the oil spillage properly and repair the mobile crane to avoid further oil leakage.	Rectification/improvement was not observed during the follow-up audit sessions. Further follow-up on this item is required.
	28/10/2015	Oil container was observed without label and proper drip tray at P45(LG2) and P54. The Contractor was reminded to provide drip trays for oil containers and label it properly.	Rectification/improvement was observed during the follow-up audit session on 3 November 2015.
	28/10/2015	General refuse was observed to accumulate at P54. The Contractor was reminded to clear the accumulated waste.	Rectification/improvement was observed during the follow-up audit session on 3 November 2015.
Landscape & Visual Impact	N/A^(1)	N/A^(1)	N/A^(1)
Permits/Licences	N/A^(1)	N/A^(1)	N/A^(1)
Other	N/A^(1)	N/A^(1)	N/A^(1)
Cultural Heritage (Sha Lo Wan (West) Archaeological Site)	N/A^(2)	N/A^(2)	N/A^(2)

Remark: N/A^{(1) -} No major environmental deficiency was identified during the site inspection in the reporting month.

N/A⁽²⁾ No archaeological site inspection was conducted in the reporting month.

Advice on the Solid and Liquid Waste Management Status

7.10 According to the Contractor, 382m³ inert C&D materials were generated during the reporting month.

7.11 The Contractor was advised to minimize the wastes generated through the recycling or reusing. All mitigation measures stipulated in approved waste management plan shall be fully implemented.

7.12 The amount of wastes generated by the activities of the Contract during the reporting month is shown in Appendix O.