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 2^nd, 9^th, 16^th, 23^rdand 31^st May 2017 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 23^rd May 2017. 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 16^th inspection to the Sha Lo Wan (West) Archaeological Site was conducted on 14^th March 2017 and next inspection will be conducted in June 2017.

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*	170502-R01	Silt curtain at P84-85 should be well maintained.	Rectification/improvement was observed during the follow-up audit session on 9 May 2017.
*Water Quality*	170531-R04	Silt curtain at P82 should be properly maintained.	Rectification/improvement will be reported in next reporting month.
*Ecology*	N/A⁽¹⁾	N/A⁽¹⁾	N/A⁽¹⁾
*Air Quality*	170516-R02	Water spraying should be provided to the concrete breaking works at P90 for dust suppression.	Rectification/improvement was observed during the follow-up audit session on 23 May 2017.
	170531-R01	Dusty material at P70 should be removed or covered with impervious sheet.	Rectification/improvement will be reported in next reporting month.
	170531-R02	The three side enclosure for the grouting machine at P76 should be maintained to ensure enclosing fully.	Rectification/improvement will be reported in next reporting month.
*Noise*	N/A⁽¹⁾	N/A⁽¹⁾	N/A⁽¹⁾
*Waste / Chemical Management*	170502-R02	The chemical waste storage area at Portion C should be improved, including the size and wording of label and proper secondary containment.	Rectification/improvement was observed during the follow-up audit session on 16 May 2017.
	170509-R01	Oil stain and oily water at P44 should be removed and hole on the drip tray should be plugged to prevent oil leakage.	Rectification/improvement will be reported in next reporting month.
	170509-R03	Housekeeping should be enhanced at P44, 47.	Rectification/improvement was observed during the follow-up audit session on 16 May 2017.
	170516-R01	Construction waste at P86 should be properly cleared.	Rectification/improvement was observed during the follow-up audit session on 23 May 2017.
	170523-R01	Oil stain at P65, 67 should be removed and oil absorbent should be cleared as chemical waste.	Rectification/improvement will be reported in next reporting month.
	170523-R02	Drip tray should be provided to the chemical containers at P57.	Rectification/improvement will be reported in next reporting month.
	170523-R03	The chemical waste store at P57 should be provided with lock.	Rectification/improvement will be reported in next reporting month.
	170523-R04	Proper chemical label should be provided to the chemical container at P59.	Rectification/improvement will be reported in next reporting month.
	170523-R05	Housekeeping should be enhanced at P61.	Rectification/improvement will be reported in next reporting month.
	170531-R03	Oil stain at P77 should be removed as chemical waste.	Rectification/improvement will be reported in next reporting month.
*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)*	14/3/2017	N/A⁽¹⁾	N/A⁽¹⁾

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

Advice on the Solid and Liquid Waste Management Status

7.10 According to the Contractor, 7075m³ 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.