Appendix L - Cumulative Log for Complaints, Notifications of Summons and Successful Prosecutions

 

Cumulative Complaint Log for Tseung Kwan O - Lam Tin Tunnel

 

Complaint No.

Received Date

Date/Location of Complaint

Complainant

Nature

Details of Complaint

 

Noise Action Level Exceedance (Y/N)

Investigation/ Mitigation Action

File Closed

239

25th October 2018

25th October 2018/ Construction of Road P2

Resident of Ocean Shore

Noise

Complained about daytime construction noise near Ocean Shore.

Y

No exceedance was recorded in the noise monitoring result. The number of PME operated in LTI was consistent with the proposed Construction Noise mitigation Plan (CNMP)

Additional mitigation measures adopted by Contractor upon receipt of complaint:

Ø A more effective acoustic barrier was erected that covered the direct line of sight from the entire Ocean Shore during piling works.

Existing Mitigation Measures adopted by Contractor

Ø Silent up barrier was provided for drill rig/vibration hammer. Acoustic barriers was erected along site boundary);

Ø Maintenance for acoustic barriers along the site boundary to ensure the integrity effectiveness of sound barrier;

Ø Metal chain attached on the vibration hammer was wrapped with rubbery material to reduce the excessive noise produced during piling works.

 

Closed

238

23rd October 2018

23rd October 2018/ Construction of Road P2

Resident of Ocean Shore

Noise

Complained about the noise created by an excavator during morning

Y

See Investigation / Mitigation Measures for Complaint No. 239

Closed

237

18th October 2018

18th October 2018/ Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Complained about construction noise at LTI

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

236

18th October 2018

18th October 2018/ Lam Tin Interchange

Resident of Cha Kwo Ling Village

Noise

Complained about the vibration and noise near

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

235

18th October 2018

18th October 2018/ Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Complained about the noise nuisance from LTI and Portion 4C

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

234

18th October 2018

18th October 2018/ Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Complained about the Excavator in LTI was not properly wrapped and produce noise nuisance from LTI.

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

233

15th October 2018

15th October 2018/ Lam Tin Interchange

DC member

Noise

Complained about the noise and dust nuisance from LTI

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

232

14th October 2018

14th October 2018/ Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Complained about the noise nuisance from LTI during night time

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

231

12th October 2018

12th October 2018/ Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Complained about the noise nuisance from LTI

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

230

11th October 2018

11th October 2018/ Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Complained about the noise from rocks unloading in LTI

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

229

9th October 2018

9th October 2018/ Lam Tin Interchange

Resident of Bik Lai House, Yau Lai Estate

Noise

Complained about the noise nuisance from LTI, and lack of effective noise barrier.

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

228

9th October 2018

9th October 2018/ Lam Tin Interchange

Public

Noise

Complained about the noise nuisance from LTI

Y

See Investigation / Mitigation Measures for Complaint No. 227

Closed

227

3rd October 2018

3rd October 2018/ Lam Tin Interchange

Resident of Yung Lai House, Yau Lai Estate

Noise

Complained about the noise nuisance from LTI during night time

Y

No exceedance was recorded in the noise monitoring result. The number of PME operated in LTI was consistent with the proposed Construction Noise mitigation Plan (CNMP) and approved Construction Noise Permit (CNP).

Mitigation Measures adopted by Contractor

Noise:

ØNoise barriers were repaired to reduce noise nuisance at Portion 4C;

ØNoise barriers were erected between the PMEs and NSR to reduce noise nuisance at Portion 4C;

Ø Powered mechanical equipment (PME) for breaker was equipped with noise barriers at Portion 4C.

Closed

226

28th September 2018

28th September 2018/ Construction of Road P2

Resident of Ocean Shores

Noise

Complained about noise nuisance from portion IV

Y

See Investigation / Mitigation Measures for Complaint No. 222

Closed

225

26th September 2018

26th September 2018/ Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Complained about the noise from rocks unloading in LTI

Y

See Investigation / Mitigation Measures for Complaint No. 218

Closed

224

18th September 2018

18th September 2018/ Construction of Road P2

Public

Noise

Complained about noise nuisance from derrick barge

Y

See Investigation / Mitigation Measures for Complaint No. 219

Closed

223

13th September 2018

9th September 2018/Construction of Portion VII on TKO side

Resident of Ocean Shores

Noise

Complained about noise nuisance from derrick barges

Y

See Investigation / Mitigation Measures for Complaint No. 218

Closed

222

12th  September 2018

12th  September 2018/ Construction of Road P2

Resident of Ocean Shores

Noise

Complained about the noise nuisance from piling works

Y

Mitigation Measures adopted by the Contractor

Ø  Acoustics barriers were provided to the vibration hammer for piling works.

Ø  Maintenance for acoustic barriers on the PME and along the site boundary to ensure the integrity and effectiveness of sound barriers.

Ø  Regular site checking would be performed to ensure the type and quantity of powered mechanical equipment are in order with the updated Construction Noise Assessment.

Ø  Acoustics mats were provided to cover the noise source from vibration hammer.

Ø  The metal chain on vibration hammer was wrapped with rubbery material to minimize sound impact.

Ø  The schedule for piling works was set with a 5 minutes interval to reduce the accumulated noise level.

 

Closed

221

11th September 2018

9th September 2018/ Construction of Portion VII on TKO side

Public

Noise

Complained about the noise from broadcasting at barging point

Y

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Noise:

Ø  Walkie-talkie was used instead of broadcasting to reduce the noise nuisance.

Closed

220

11th September 2018

26th September 2018/ Lam Tin Interchange

Public

Noise

Complained about the construction noise

Y

See Investigation / Mitigation Measures for Complaint No. 218

Closed

219

7th September 2018

7th September 2018/ Construction of Road P2

Resident of Ocean Shores

Noise

Complained about the noise from sheet piling

Y

Mitigation Measures adopted by the Contractor

Ø  Silent up barrier was provided for piling works in between vibration hammer and Ocean Shores. Acoustic barriers was erected along site boundary

Ø  Noise barrier surround the engine of the derrick barge

Ø  Acoustic material wrapped on vibration hammer for sheet piling works

 

 

Closed

218

6th September 2018

6th September 2018/ Construction in LTI

Public

Noise

Complained about noise nuisance in LTI

Y

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Noise:

ØNoise barriers were erected between the PMEs and NSR to reduce noise nuisance at Portion 4C;

Ø Powered mechanical equipment (PME) for breaker was equipped with noise barriers at Portion 4C.

 

Closed

217

5th September 2018

5th September 2018/ Construction of Road P2

Public

Air Quality

Complained about dark smoke emission from derrick barges.

N

The Contractors has adopted the following environmental mitigation measures to reduce dark smoke nuisance from construction barges since June for dark smoke complaints:

Ø  Smoke filtering tanks were adopted on deck level of derrick barges to reduce emission of dark smoke and exhaust smell;

Ø  New engine has been installed on derrick barge to reduce the dark smoke emission.

 

Closed

216

5th September 2018

5th September 2018/ Construction of Road P2

Public

Air Quality

Complained about dark smoke emission from derrick barges.

N

See Investigation / Mitigation Measures for Complaint No. 217

Closed

215

5th September 2018

5th September 2018/ Construction of Road P2

Public

Water Quality

Complained about the oil leakage within the cofferdam

N

The Contractors had taken measures to clean up and prevent any further oil spillage for marine works in the future:

Ø  Oil was absorbed and cleared with sorbents

Ø  Wire was applied with suitable amount of oil to prevent further oil spill

Ø  Training was provided for frontline staff on applying lubricant oil on wire rope of derrick barge.

 

The Contractor had implemented environmental measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as below:

Ø  Construction activities should not cause foam, oil, grease, scum, little or other objectionable matter to be present on the water within the site.

Ø  Standard good-site practice is adopted to prevent any fuels and solvent entering the nearby watercourses.

Closed

214

4th September 2018

4th September 2018/ Construction of Road P2

Ocean Shores Management Office

Air Quality

Follow up complaint on 21 and 22 August, regarding dark smoke emission from derrick barges.

N

See Investigation / Mitigation Measures for Complaint No. 217

Closed

213

31st August 2018

31st August 2018/ Construction of Lam Tin Interchange

Public

Air Quality

The complainant complained about the dust nuisance at LTI.

N

See Investigation / Mitigation Measures for Complaint No. 207

Closed

212

27th August 2018

27th August 2018/ Construction of Road P2

Resident of Yau Lai Estate

Noise

The complainant complained about the noise nuisance from breaker and excavator in LTI.

Y

See Investigation / Mitigation Measures for Complaint No. 203

Closed

211

22nd August 2018

22nd August 2018/ Construction of Road P2

Public

Air Quality

The complainant complained about the dark smoke emitted from derrick barge outside Ocean Shores.

N

See Investigation / Mitigation Measures for Complaint No. 209

Closed

210

21st August 2018

21st August 2018/ Construction of Road P2

Public

Air Quality

The complainant complained about the dark smoke emitted from derrick barge outside Ocean Shores.

N

See Investigation / Mitigation Measures for Complaint No. 209

Closed

209

21st August 2018

20th & 21st August 2018/ Construction of Road P2

DC Member

Air Quality

The complainant complained about the dark smoke emitted from derrick barge outside Ocean Shores on 20 and 21 of August.

N

The Contractors had implemented environmental mitigation measures to reduce dark smoke nuisance from construction barges to the nearby sensitive receivers as follows:

Ø   Additional water filter tank was adopted on deck level of derrick barges to reduce emission of dark smoke and exhaust smell

Ø   There were five derrick barges operating on 20 & 22 of August and four of them had water filter installed. The one without water filter was demobilized away from the site on 22 August.

 

Closed

208

20th August 2018

17th August/ Construction of Road P2

DC Member

Water Quality

The complainant complained that muddy water was discharged from the construction site.

N

Based on the information gathered in the investigation. As the location of muddy discharge was appeared adjoining the Tseung Kwan O DSD Desilting Compound, a high volume of upstream discharge collected from rain events is a possible cause of such muddy discharge event. There are no direct evidence that the muddy discharge near the outfall of DSD Desilting Compound was due to the Project.

 

Measure Taken by the Contractor

The Contractors had taken initiatives to ensure the quality of wastewater discharge from land-based works and to enhance mitigation measure to prevent silt from marine works from entering surrounding waters:

Ø   Additional geotextile was installed between steel tanks to prevent migration of filling materials outside the cofferdam

Ø   Cofferdams in form of steel tanks filled with aggregated material were covered with geotextile to prevent spillage of silty materials into nearby waters

 

Closed

207

18th August 2018

18th August 2018/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Air Quality

The complainant complained about dust nuisance from surface blasting.

N

According to the EM&A Manual of this Project, regular air quality monitoring has been carried out at following Stations.

 

AM2 – Sai Tso Wan Recreation Ground;

AM3 Yau Lai Estate, Bik Lai House.

 

No exceedance was recorded in the above station during August.

 

Mitigation Measures and Follow up Actions by Contractor

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Air Quality:

Ø   Blasting cage were surrounded with impervious material during surface blasting

Ø   Water spraying was provided at the blasting cage and stone crusher to enhance dust suppression

 

Closed

206

13th August 2018

13th August 2018/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained about the noise nuisance from the breaker at LTI and complained lack of noise barrier.

Y

See Investigation / Mitigation Measures for Complaint No. 203

Closed

205

10th August 2018

10th August 2018/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained about the noise nuisance of construction work starting from 7 am and lack of noise barrier.

Y

See Investigation / Mitigation Measures for Complaint No. 203

Closed

204

9th August 2018

9th August 2018/ Construction of Lam Tin Interchange

Resident of Tak Tin Estate

Noise

The complainant complained about noise nuisance and vibration from blasting activity

Y

According to the EM&A Manual of this Project, weekly noise monitoring in Cha Kwo Ling and Lam Tin during s been carried out at the following Stations.

CM1 – Nga Lai House, Yau Lai Estate Phase 1, Yau Tong, Station;

CM2 – Bik Lai House, Yau Lai Estate Phase 1, Yau Tong;

CM3 - Block S, Yau Lai Estate Phase 5, Yau Tong.

 

There was no exceedance recorded in the above station during daytime in August.

 

Closed

203

9th August 2018

9th August 2018/ Construction of Lam Tin Interchange

Property Management  of Tak Tin Estate

Noise

The complainant complained about the noise nuisance during 8pm

Y

Mitigation Measures and Follow up Actions by Contractor

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Noise:

Ø   Noise barriers were erected between the PMEs and NSR to reduce noise nuisance at Portion 4C

Ø   Powered mechanical equipment (PME) for rock breaking were equipped with noise barriers at Portion 4C

 

According to the EM&A Manual of this Project, weekly noise monitoring in Cha Kwo Ling and Lam Tin during s been carried out at the following Stations.

CM1 – Nga Lai House, Yau Lai Estate Phase 1, Yau Tong, Station;

CM2 – Bik Lai House, Yau Lai Estate Phase 1, Yau Tong;

CM3 - Block S, Yau Lai Estate Phase 5, Yau Tong.

 

There was no exceedance recorded in the above station during daytime in August.

 

Closed

202

1st August 2018

1st August 2018/ Construction of Lam Tin Interchange

Resident of Yeung Mei House

Noise

The complainant complained about the construction noise during night-time.

Y

A valid Construction Noise Permit (CNP) (No. GW-RE0421-18) was granted to the Contractor for the construction site at Lam Tin Interchange

The number of excavators that were used on 01 August was covered by the CNP.

 

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

 

Ø  Noise barriers were erected between the PMEs and NSR to reduce noise nuisance

Ø  Powered mechanical equipment (PME) for rock breaking were equipped with TMD and SilentMat

 

Closed

201

26th July 2018

26th July 2018 / Construction of P2/D4

Public

Water quality

The complainant complained about the polluted effluent at the nearby surface drain near the construction of elevator. 

N

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

 

Ø  Sandbags barrier was placed along the working area to prevent direct discharge

Closed

200

26th July 2018

26th July 2018 / Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Follow up on 24th July 2018, the situation has yet been addressed.

Y

See Investigation / Mitigation Measures for Complaint No. 197

Closed

24th July 2018

23rd July 2018 / Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained about a yellow breaker working without noise barrier.

Y

See Investigation / Mitigation Measures for Complaint No. 197

Closed

199

25th July 2018

25th July 2018 / Construction of Road P2

SKDC member

Noise

The complainant complained about the noise from piling works at Portion IV.

Y

See Investigation / Mitigation Measures for Complaint No. 198

Closed

198

21st July 2018

21st July 2018 / Construction of Road P2

SKDC member

Noise

The complainant complained about the noise from metal occasionally in the marine works area.

Y

Based on the noise monitoring results in July 2018, no Limit Level Exceedance was recorded at Station CM6(A) and CM7(A). It is considered that no adverse construction noise impact was brought to the nearby sensitive receivers during the construction.

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

 

Noise:

Ø  Acoustic box was utilized for breaking works to minimize noise nuisance

Ø  Acoustic barriers were provided for pre-boring works

Ø  Regular site checking would be performed to ensure the type and quantity of PME are in order with the updated Construction Noise Assessment.

Ø  Additional acoustic materials were wrapped around the vibration hammer

Ø  Quieter plant, i.e. quality powered mechanical equipment was used as far as practicable to minimize noise impact from PME

 

 

Closed

197

21st July 2018

21st July 2018 / Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained about the noise nuisance from breaker.

Y

According to the EM&A Manual of this Project, additional weekly noise monitoring in Cha Kwo Ling and Lam Tin during night-time has been carried out at Station CM1 – Nga Lai House, Yau Lai Estate Phase 1, Yau Tong, Station CM2 – Bik Lai House, Yau Lai Estate Phase 1, Yau Tong, CM3 - Block S, Yau Lai Estate Phase 5, Yau Tong.  no Limit Level Exceedance was recorded at Station CM1, CM2 and CM3. The summary of daytime and evening time noise monitoring results which conducted by ET in July and early August 2018 at Station CM1, CM2 and CM3

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Ø  Noise barriers were erected between the PMEs and NSR to reduce noise nuisance

Ø  Powered mechanical equipment (PME) for rock breaking were equipped with TMD and SilentMat

 

 

Closed

196

20th July 2018

Not specified / Construction of Lam Tin Interchange

Property Management Office of  Hong Pak Court

Air Quality

The complainant complained about the dust problem after blasting work in the afternoon.

N

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Ø  Blasting cage were surrounded with impervious material during surface blasting

Ø  Water spraying was provided at the blasting cage to enhance dust suppression

 

 

Closed

195

17th July 2018

16th July 2018 / Construction of Road P2

SKDC member

Noise

The complainant complained the noise from works area near Ocean Shores

Y

See Investigation / Mitigation Measures for Complaint No. 198

Closed

194

12th July 2018

12th July 2018/ Construction of Road P2/ D4 and Northern Footbridge

Residents of Metrotown

Air Quality

The complainant complained the dusty problem next to Chui Ling Road Substation.

N

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Ø  Water spraying was provided at least 8 times a day.

Ø  Access road was paved to minimize dust emission from truck traffic.

 

 

Closed

193

12th July 2018

12th July 2018 / Construction of Road P2

Residents of Metrotown

Air Quality

The complainant complained the dust problem from the partially covered stockpile in Work Area A.

N

According to the information provided and confirmed by the Engineer, loading and unloading of treated sediment was conducted in Work Area A.

 

According to the EM&A Manual of this Project, regular air quality monitoring has been carried out at Station AM5(A) – Tseung Kwan O DSD Desilting Compound and AM6(A) – Park Central, L1/F Open Space Area. no Action or Limit Level Exceedance was recorded at Station AM5(A) and AM6(A) from 3 to 12 July 2018. It is considered that no adverse air quality impact was brought to the nearby sensitive receivers during the construction period

 

The Contractors had implemented environmental mitigation measures to reduce dust nuisance from construction activities to the nearby sensitive receivers as follows:

Ø  Covered the stockpile of treated marine sediment with tarpaulin sheets

 

Closed

192

23rd July 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Follow up on the complaint on 27th June, 2nd and 3rd July 2018, the complainant complained that the situation has not yet been addressed. 

Y

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

 

Ø  Replaced and fixed the uneven metal plate on Lei Yue Mun Road near ambulance depot

 

Closed

3rd July 2018

3rd July 2018/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

Follow up on the complaint on 27th June, 2nd July 2018, the complainant complained that the situation has not yet been addressed. 

Y

Closed

2nd July 2018

2nd July 2018/ Construction of Lam Tin Interchange

Resident of  Yau Lai Estate

Noise

Follow up on the complaint on 27th June 2018, the complainant complained that the situation has not yet been addressed. 

Y

Closed

27th June 2018

26th and 27th June 2018/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the construction noise at Lam Tin Interchange during night-time.

Y

Closed

191

25th June 2018

23rd June 2018/ Construction of Road P2

Public

Air Quality

The complainant complained the dark smoke emission from construction barge and the smell from welding works. 

N

According to the information provided and confirmed by the Engineer, dredging and welding works are conducted on 23 June 2018 during the time of complaint.

 

The Contractors had implemented environmental mitigation measures to reduce odour nuisance from construction activities to the nearby sensitive receivers as follows:

Ø  Air blowers were provided at the location where welding works to be carried out to dilute the smell

Ø  Additional water filter tank was adopted on deck level of derrick barges to reduce emission of dark smoke and exhaust smell

 

Closed

190

22nd June 2018

Not Specific/ Construction of Lam Tin Interchange

Public

Waste Management

The complainant complaint about the housekeeping of the construction site.

N

From the Daily Record Summary provided by the Contractor and confirmation by the RE, there was no irregularity, and together with the site inspection conducted by the environmental team in June, construction waste on pavement was not observed.

 

Despite, the Contractor was reminded to follow the relevant mitigation measures related to waste management:

Ø  Ensure trucks have enclosed the containers before leaving the site to reduce the impact during transportation (Photo 3);

Ø  Training of site personnel in proper waste management and chemical handling procedures to ensure proper disposal of construction waste;

Ø  Proper storage and site practices to minimize the potential for damage or contamination of construction materials

 

Closed

189

20th June 2018

28th May 2018/ Construction of Road P2

SKDC member

Air Quality

The complainant complained the dark smoke emission from the same construction vessel.

N

See Investigation / Mitigation Measures for Complaint No. 181.

Closed

188

20th June 2018

20th June 2018/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained about construction noise starting from 6 am.

Y

The construction activities in Lam Tin Interchange (Work site No.101) on 20th of June possessed of 6 no. of excavators between 7-8 am, 6 no. of breakers, excavator mounted between 8-10 am. The quantity of excavators and breakers were consistent with the Construction Noise Mitigation Plan (Construction Activity Group 1.1)

 

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

 

Ø  Powered mechanical equipment (PME) for rock breaking were equipped with TMD and SilentMat

 

Closed

187

7th June 2018

7th June 2018/ Construction of Road P2

Resident of Ocean Shores

Air Quality

The complainant complained about the smell of machinery exhaust affecting the podium of Ocean Shores (swimming pool). The complainant suspected the exhaust was originated from the nearby barges.

N

According to the information provided and confirmed by the Engineer, dredging works and placing rock fill were conducted during the time of complaint. Dredger, derrick barge, tug boat and hopper barge were being operated for the mentioned works.

 

According to the site inspections conducted by ET and IEC in May and June 2018, no exhausted smell from construction vessel was identified in Portion IV, VII and IX.

 

The Contractors had implemented environmental mitigation measures to minimize the air nuisance to the nearby sensitive receivers as follows:

Odour Emission from Exhausted Gas:

Ø  Additional water filter tank was adopted on the deck level of derrick barges to reduce emission of dark smoke and exhaust smell

 

Closed

186

6th June 2018

6th June 2018/ Construction of Lam Tin Interchange

Resident of Chung Pak House, Hong Pak Court

Noise

The complainant complained about the construction noise at Lam Tin Interchange.

Y

A valid Construction Noise Permit (CNP) (No. GW-RE0278-18) was granted to the Contractor for the construction site at Lam Tin Interchange. The number of excavator and dump trucks that were used on 6 June were covered by the CNP.

 

 

Closed

185

6th June 2018

30th May and 30th September 2017/ Construction of Road P2

SKDC member

Noise

The complainant complained about the noise affecting nearby resident in early morning near Ocean Shores.

Y

See Investigation / Mitigation Measures for Complaint No. 50 and 81.

Closed

184

6th June 2018

Not specified / Construction of Road P2

SKDC member

Landscape

The complainant complained about excessive tree felling near Ocean Shores.

N

According to the information provided and confirmed by the Engineer, tree removal application for the concerned area has granted approval from District Lands Office (DLO) on 1 August 2017 and 18 April 2018 together with the tree compensatory plans. The felling of a total of 85 trees at the concerned area were in accordance with the approved tree removal application by the DLO. None of them are registered Old and Valuable Tree and neither of them are rare nor endangered species. The number of retained trees at the concerned location complies with the latest tree removal application.

 

The Contractor had taken initiatives to minimize nuisance from construction works to the nearby sensitive receivers as follows:

Ø  Tree protection zones were established and surrounded by fences to protect retained trees adjacent to the construction area.

Ø  Tree protection zone were free of machinery and material that are likely to be injurious to the tree.

Ø  Regular tree assessments were conducted by qualified Arborist to monitor the condition of retained trees.

 

Closed

183

4th June 2018

4th June 2018/ Construction of Lam Tin Interchange

Resident of Hong Pak Court

N/A

The complainant complained about the blasting works during night-time. 

N

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures”

Ø  Ensured blasting doors were closed while blasting associated works was undertaken in the tunnel

Ø  Installed steel-type blasting door mounted with sound absorptive lining to absorb construction noise in the tunnel

 

Closed

182

1st June 2018

Not specified/ Construction of Lam Tin Interchange

Sin Fat Road Tennis Court

Air Quality

The complainant complained about the dust

N

The Contractor had taken initiatives to minimize nuisance from construction works to the nearby sensitive receivers as follows:

 

Ø  Frequent water spraying along the slope area at LTI.

Ø  Tarpaulin sheets were provided along the slope adjacent to the tennis court during preparation of surface blasting.

 

Closed

181

29th May 2018

Not specified/ Construction of Road P2

Public

Air Quality

The complainant complained about the black smoke emission from the construction vessel.

N

According to the information provided and confirmed by the Engineer, dredging and placing rock fill material were conducted during the time of complaint.

 

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

Air Quality:

Ø  As confirmed by the Engineer, the concerned barge was removed off site for further maintenance;

Ø  Additional water filter tank was adopted to reduce emission of dark smoke and exhaust.

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

180

25th  May 2018

24th May 2018/ Construction of Road P2

SKDC member Mr. Cheung Chin Pang

Odour

The complainant complained about smell of exhaust gas affecting high level residents (60/F and above) of Metrotown Tower 10.

N

According to the information provided and confirmed by the Engineer, modification of temporary marine platform and welding works were conducted during the time of complaint.

 

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

Air Quality:

Ø  Additional water filter tank was adopted to reduce emission of dark smoke and exhaust.

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

179

24th May 2018

24th May 2018/ Construction of Northern footbridge , Road P2/D4 and Road P2

Public

Air Quality

The complainant complained construction dust generated from the CEDD construction works site between Tong Yin Street and Tiu Keng Leng Sport Centre (Po Yap Road) as a result of insufficient dust suppression measures

N

According to the information provided and confirmed by the Engineer, construction works including steel bar fixing, scaffolding, trimming formation level, compaction, removal of road marking and handling of treated sediment were conducted during the time of complaint.

 

As shown in the Air Quality Monitoring Results, no Action/ Limit Level Exceedance was recorded at Station AM5(A) and AM6(A) in May 2018. It is considered that no adverse construction dust impact was brought to the nearby sensitive receivers during the construction period of this Project

 

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

Ø  Water spraying was provided at least 8 times a day;

Ø  Surface near public access was hard paved;

Ø  Stockpile in Work Area A was covered except the operating area

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

Closed

178

23rd May 2018

22nd May 2018/ Construction of TKO Portal

Public

N/A

The complainant complained construction works was carried out on 22 May (which was a public holiday) around 1500 hour at the sea area near Ocean shore Block 2.

N

According to the information provided and confirmed by the Engineer, modification of temporary marine platform and welding works were conducted during the time of complaint.

 

One valid Construction Nosie Permit (CNP) (No. GE-RE0309-18) was granted to the Contractor (Leighton – China State Joint Venture) (Contract No. NE/2015/01) for the marine construction site near Ocean Shores. According to the CNP, Group O to T of the PME listed in condition 3.a. are allowed to operate during general holiday (including Sunday) from 0900 – 2300 hours.

 

As confirmed by the Engineer, only a group of PME (listed in Group Q) was operated during the time of complaint. No welding machine was operated in Zone A. No derrick barge and flat top barge were operated beyond Zone C.

 

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

 

Noise:

Ø  Preinstalled speaker was used on derrick barge to minimize the noise disturbance from on-site communication.

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

Closed

177

22nd May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Air Quality & Noise

The complainant complained about the dust nuisance and construction noise at Lam Tin Interchange

Y

According to the Engineer’s Site Diaries, the major construction activities performed in May 2018 included rock breaking, drilling and excavation at Lam Tin Interchange. Construction works for night-time included blasting and excavation.

According to the EM&A Manual of this Project, regular air quality monitoring has been carried out at Station AM2 – Sai Tso Wan Recreation Ground and AM3 – Yau Lai Estate, Bik Lai House. Based on the Air Quality Monitoring Results which conducted by ET, no Action or Limit Level Exceedance was recorded at Station AM2 and AM3. It is considered that no adverse air quality impact was brought to the nearby sensitive receivers during the time of complaint.

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Air Quality:

Ø  Frequent water spraying on unpaved area and haul roads at Lam Tin Interchange

Noise:

Ø  Ensured blasting doors were closed while blasting associated works was undertaken in the tunnel

Ø  Installed steel-type blasting door mounted with sound absorptive lining to absorb construction noise in the tunnel

Ø  Erected movable cantilever noise barriers and the breaker head was wrapped with Silent Mat and TMD;

Ø Powered mechanical equipment (PME) for rock breaking were equipped with TMD and SilentMat

Ø Drill rig was covered with Silent Mat and TMR

 

The environmental conditions of the site and the control of works will be continuously reviewed and monitored by the Engineer and the Environmental Team.

 

Closed

176

21st May 2018

21st May 2018/ Construction of Road P2

Public

Air Quality

The complainant complained about dust/dirt being brought onto Tong Yin Street by the vehicles travelling to and from TKO-LTT construction site, causing dust problem and air nuisance.

N

According to the information confirmed by the Engineer, all dump trucks were covered and wheel washed before leaving the works site on 21 May 2018.

As shown in the Air Quality Monitoring Results, no Action/ Limit Level Exceedance was recorded at Station AM5(A) and AM6(A) in May 2018. It is considered that no adverse construction dust impact was brought to the nearby sensitive receivers during the construction period of this Project

 

The Contractors had implemented environmental mitigation measures to minimize the noise nuisance to the nearby noise sensitive receivers as follows:

Ø  Water spraying was provided at least 8 times a day.

Ø  Street washing truck would be provided once a week to clean the dust on the public street.

Ø  Additional notice would be set up to remind the truck driver to perform wheel-washing properly before leaving site.

Ø  Deployed staff at the access to check the dump trucks to ensure the dump truck are properly covered and wheel-washed before leaving site.

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

Closed

175

19th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Hong Nga Court

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange during nighttime.

Y

 See Investigation / Mitigation Measures for Complaint No. 160.

Closed

174

19th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Hong Pak Court

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange during nighttime.

Y

See Investigation / Mitigation Measures for Complaint No. 160.

Closed

173

16th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Hong Nga Court,

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange during night-time.

Y

See Investigation / Mitigation Measures for Complaint No. 160.

Closed

172

15th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Hong Pak Court

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 165.

Closed

171

15th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate, Bik Lai Estate

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 165.

Closed

170

15th May 2018

Not specified/ Construction site near Cha Kwo Ling Tsuen

Anonymous

Noise

The complainant complained the noise nuisance due to the construction work near Cha Kwo Ling Tsuen during night-time.

Y

See Investigation / Mitigation Measures for Complaint No. 165.

Closed

169

14th May 2018

Not specified/ Construction of Lam Tin Interchange

Kowloon East District Council Member Mr. Tam Man Ho

Noise

The complainant complained the noise nuisance due to the construction work and night time blasting works at the Lam Tin Interchange.

Y

According to the latest CNMP of this Contract, the subgroups of work activities undertaken near noise sensitive receivers in the reporting period:

The construction activities of Lam Tin Interchange (Work site No.101) on 14th of May 2018 possessed of 6 no. of breakers, excavator mounted which were consistent with the quantities of breaker in the Construction Noise Mitigation Plan (Construction Activity Group1.1)

 

Noise:

Ø  Installed steel-type blasting door mounted with sound absorptive lining to absorb construction noise in the tunnel;

Ø  Erected movable cantilever noise barriers and the breaker head was wrapped with Silent Mat and TMD;

Ø  Powered mechanical equipment (PME) for rock breaking were equipped with TMD and SilentMat;

As shown by the Noise Monitoring Results conducted by ET, no Limit Level Exceedance was recorded at Station CM1, CM2, CM3 and CM4. The summary of noise monitoring results which conducted by ETL in May 2018 at Station CM1, CM2, CM3 and CM4.

The environmental conditions of the site and the control of works will be continuously reviewed and monitored by the Engineer and the Environmental Team.

Closed

168

14th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate, Yung Lai House

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange during night-time.

Y

See Investigation / Mitigation Measures for Complaint No. 165.

Closed

167

13th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Hong Nga Court, Chung Pak House

Noise

The complainant complained the noise nuisance due to the construction work on Sunday morning and night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 165.

Closed

166

13th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Hong Pak Court

Noise

The complainant complained the noise nuisance due to the construction work at around 5:00 am and night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 165.

Closed

165

13th May 2018

13th May 2018/ Construction of Lam Tin Interchange

Property Management Office of  Hong Nga Court

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange on 13th May 2018 (Sunday morning).

Y

A valid Construction Noise Permit (CNP) (No. GW-RE0278-18) was granted to the Contractor for the construction site at Lam Tin Interchange (location of construction site is shown in Figure 1). According to the conditions in the CNP, only one group among Group A to R of the powered mechanical equipment is allowed to be operated during 0800-2300 hours on general holidays (including Sundays); and 1900-2300 hours on any day not being a general holiday. The number of excavators, dump trucks, craned lorry and breakers that were used on 13th, 14th, 15th & 22nd of May were covered by the CNP.

Other good site practices recommended in the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual and the Noise Mitigation Plan of this Contract had been implemented by the Contractor, including the following:

Ÿ   Only well-maintained plant should be operated on-site and plant should be serviced regularly during the construction program;

Ÿ   Mobile plant, if any, should be sited as far away from NSRs as possible;

Ÿ   Plants known to emit noise strongly in one direction should, wherever possible, be orientated so that the noise is directed away from the nearby NSRs

 

As shown by the Noise Monitoring Results conducted by ET, no Limit Level Exceedance was recorded at Station CM1, CM2, CM3 and CM4. The summary of noise monitoring results which conducted by ETL in May 2018 at Station CM1, CM2, CM3 and CM4.

 

Closed

164

12th May 2018

12th May 2018/ Construction of Lam Tin Interchange

Resident of Hong Nga Court

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 160.

Closed

163

12th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 160.

Closed

162

11th May 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Lung Pak House

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 160.

Closed

161

9th May 2018

9th May 2018 / Construction of Road P2

Resident of Ocean Shore

Air Quality

The complainant complained about dark smoke emission from a barge working at the sea area under TKO-LTT project near Block 2 of Ocean Shore.

N

According to the information provided and confirmed by the Engineer, loading and unloading of marine sediment was conducted during the time of complaint

 

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

Ø  Additional water filter tank was adopted to reduce emission of dark smoke and exhaust smell.

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

160

4th May 2018

Not specified/ Construction of Lam Tin Interchange

Public

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

According to the Engineer’s Site Diaries, the major construction activities performed in May 2018 included rock breaking, drilling and excavation at Lam Tin Interchange. Construction works for night-time included blasting and excavation.

A valid Construction Noise Permit (CNP) (No. GW-RE0278-18) was granted to the Contractor for the construction site at Lam Tin Interchange. According to the conditions in the CNP, only one group among Group A to R of the powered mechanical equipment is allowed to be operated during 0800-2300 hours on general holidays (including Sundays); and 1900-2300 hours on any day not being a general holiday. The number of excavators, dump trucks, craned lorry and breaker that were used during the day of complaint was covered by the CNP.

In addition, Group T to X of the powered mechanical equipment is allowed to be operated during 2300-0700 hours on any day. The operation of charging unit during the time of complaint was covered by the CNP. Therefore, no violation of CNP (No. GW-RE0278-18) conditions was observed during the time of complaint.

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Air Quality:

Ø  Frequent water spraying on unpaved area and haul roads at Lam Tin;

Noise:

Ø  Ensured blasting doors were closed while blasting associated works was undertaken in the tunnel;

Ø  Installed steel-type blasting door mounted with sound absorptive lining to absorb construction noise in the tunnel;

Ø  Erected movable cantilever noise barriers and the breaker head was wrapped with Silent Mat and TMD;

Ø  Powered mechanical equipment (PME) for rock breaking were equipped with TMD and SilentMat;

Ø  Drill rig was covered with Silent Mat and TMR.

As shown by the Noise Monitoring Results conducted by ET, no Limit Level Exceedance was recorded at Station CM1, CM2, CM3 and CM4. The summary of noise monitoring results which conducted by ETL in May 2018 at Station CM1, CM2, CM3 and CM4.

With the implementation of environmental mitigation measures by Contractors on site, it is considered that air quality and noise nuisance by the works has been brought to a minimum level and no adverse impact was brought to the nearby sensitive receivers during the construction of Lam Tin Interchange under this Project.

The environmental conditions of the site and the control of works will be continuously reviewed and monitored by the Engineer and the Environmental Team.

 

Closed

159

3rd May 2018

2nd  and 3rd May 2018 / Construction of Road P2

Public

Odour

The complainant complained the odour nuisance from the construction vessel.

N

According to the information provided and confirmed by the Engineer, major construction activity including dredging, loading and unloading of marine sediment was conducted during the time of complaint

 

The use of dredger and derrick barge conformed to the proposed quantity and type of PME stated in the updated Construction Noise Assessment of CNMP.

 

Based on the noise monitoring results in April and May 2018, no Limit Level Exceedance was recorded at Station CM6(A) and CM7(A). It is considered that no adverse construction noise impact was brought to the nearby sensitive receivers during the construction.

 

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

Noise:

Ø  Noise source on the barge was covered with acoustic materials.

Ø  Additional sound absorptive blankets were used to reduce the nuisance from the engine of the barge.

Ø  Nylon rope was used instead of wire rope to reduce friction secure the barge in place.

Ø  Maintenance of barge including lubrication of moving parts was performed to minimized noise from worn or loose parts.

Air Quality:

Ø  Additional water filter tank was adopted to reduce emission of dark smoke and exhaust smell.

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

30th April 2018

Not specified / Construction of Road P2

Public

Noise & Odour

The complainant complained the construction noise and odour nuisance from the construction vessel.

Y

158

30th April 2018

Not specified/ Construction of Lam Tin Interchange

Property Management Office of  Kwong Tin Estate

Noise

The complainant complained the noise nuisance due to the breaking work at Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 145.

Closed

157

26th April 2018

26th April 2018 / Construction of TKO portal

Resident of Laguna City

Light

The complainant complained that two spotlights were used during daytime and nighttime causing light nuisance to the residents. She requested to direct the strong lighting toward the sea.

N

According to the information provided and confirmed by the Engineer, no major construction activity was conducted at the location of complaint on 26 April 2018.

Upon the receipt of the complaint, as confirmed by the Engineer, the Contractor had taken initiatives to maintain the environmental conditions in the works area as shown below:

Ø  The spotlights at the Cha Kwo Ling Public Cargo Working Administrative Office were switched off during daytime; and

Ø  The illumination angle of spotlights was turned facing downwards to avoid light overspill

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

156

25th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate, Yau Lai Estate

Noise

The complainant complained the noise nuisance due to the breaking work at Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 145.

Closed

155

23th April 2018

23th April 2018 / Construction of Road P2

Public

Noise

The complainant complained about noise from construction activities at the sea area near Ocean Shore Block 6 starting 8:30-8:45am on 23 April 2018. She suspected the noise is from drilling/breaking works. 

Y

According to the information provided and confirmed by the Engineer, construction works including excavation and pre-boring works in Portion IV were conducted on 23 April 2018. One unit of excavator and two units of mini backhoe were in operation for excavation works while two units of drill rigs were in operation for the pre-boring works in Portion IV.

As confirmed by the Engineer, no breaking works were carried out during the time of complaint in Portion IV. Therefore, pre-boring works at Portion IV is regarded the source of noise nuisance.

 

The Contractor had implemented environmental mitigation measures to minimize the noise nuisance to the nearby noise sensitive receivers as follows:

 

Ø  Acoustics barriers were provided to the drill rigs for pre-boring works (see photo 1).

Ø  Maintenance was provided to the rotary head of the drill rig to minimize noise nuisance from worn or loose parts.

Ø  Regular site checking would be performed to ensure the type and quantity of powered mechanical equipment are in order with the updated Construction Noise Assessment.

Ø  Acoustic box was utilized for breaking works to minimize noise nuisance

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

The use of excavator did not conform the proposed quantity of powered mechanical equipment stated in the CNMP. Therefore, it is regarded as a non-compliance.

 

Closed

154

23th April 2018

Not specified/ Construction of Lam Tin Interchange

Kwun Tong District Council Member Mr. Lai Shu Ho

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 145.

Closed

153

23th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the noisy breaking work from two breakers at Lam Tin Interchange. He requested the Contractor to review the noise mitigation measures on site.

Y

See Investigation / Mitigation Measures for Complaint No. 145.

Closed

152

20th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Nga Lai Estate, Yau Lai Estate

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 145.

Closed

151

17th April 2018

Not specified/ Construction of Lam Tin Interchange

Property Management Office of Yau Lai Estate

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 145.

Closed

150

17th April 2018

Not specified/ Construction of Lam Tin Interchange

Sham Shui Po District Council Member Mr. Ho Kai Ming

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Measures for Complaint No. 145.

Closed

149

16th April 2018

Not specified / Construction of Road P2

Resident of Ocean Shore

Noise

The complaint is about the noise generated from a poorly maintained excavator.

Y

According to the information provided and confirmed by the Engineer, two units of excavators were in operation for excavation works in Portion VI on 16 and 18 April 2018. Excessive sound from movement of the poorly maintained excavator is considered source of noise nuisance.

 

The Contractor had implemented environmental mitigation measures to minimize the noise nuisance to the nearby noise sensitive receivers as follows:

 

Ø  As confirmed by the Engineer, the use of concerned excavator was stopped and it was replaced with a new excavator.

Ø  Regular site checking would be performed to ensure the type and quantity of PME are in order with the updated Construction Noise Assessment

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

The use of excavator did not conform the proposed quantity of powered mechanical equipment stated in the CNMP. Therefore, it is regarded as a non-compliance.

 

 

Closed

18th April 2018

Not specified / Construction of Road P2

Resident of Ocean Shore

Noise

The complaint is about the noise generated from a poorly maintained excavator.

Y

Closed

148

15th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the noisy construction work at Lam Tin Interchange.

Y

According to the Engineer’s Site Diary, the major construction activities performed in the reporting period included rock breaking and excavation at Lam Tin Interchange.

 

According to the latest CNMP of this Contract, the subgroups of work activities undertaken near noise sensitive receivers in the reporting period are as follows:

-          Construction of Lam Tin Interchange (LTI);

The construction activities of Lam Tin Interchange (Work site No.101) on 17th, 23rd & 25th of April possessed of 7 no. of breakers, which were consistent with the quantities of breakers in the Construction Noise Mitigation Plan (Group 1.1.8)

A valid Construction Noise Permit (CNP) (No. GW-RE0084-18) was granted to the Contractor for the construction site at Lam Tin Interchange. According to the conditions in the CNP, only one group among Group A to N of the powered mechanical equipment is allowed to be operated during 08:00 - 23:00 hours on general holiday (including Sunday). The operations on 2nd & 15th of April involved 1 no. of excavator, 2 no. of dump trucks, which were covered by the CNP. Therefore, no violation of CNP (No. GW-RE0084-18) condition was identified during the time of complaints.

The Contractor had implemented environmental mitigation measures in accordance with the “Implementation Schedule of Proposed Mitigation Measures” of EM&A Manual as follows:

Ø Powered mechanical equipment (PME) for rock breaking were equipped with TMD and SilentMat at Slope H in Lam Tin Interchange;

Ø PMEs at Portion IVC were mounted and shielded with SilentMat;

Ø Noise barriers were placed next to the breaker at Slope H in Lam Tin Interchange to reduce the noise nuisance to nearby NSRs;

Ø Cantilevered noise barriers were erected next to breakers wrapped with TMD and SilentMat at Portion IVC;

Ø Ensured blasting doors were closed while mucking out in the tunnel was undertaken; and

Ø Installed steel-type blasting door mounted with sound absorptive lining to absorb noise due to construction works in the tunnel

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

147

15th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the noisy construction work at Lam Tin Interchange on public holiday.

Y

145

2nd April 2018

Public holiday/ Construction Works near Eastern Harbour Crossing tunnel portal

Resident of Yau Lai Estate

Noise

The complainant complained the noise nuisance due to the construction work near Eastern Harbour Crossing tunnel portal on public holiday. (started from 9:00 am)

Y


 

Complaint No.

Received Date

Date/Location of Complaint

Complainant

Nature

Details of Complaint

Noise Action Level Exceedance (Y/N)

Investigation/ Mitigation Action

File Closed

159

30th April 2018

Not specified / Construction of Road P2

Public

Noise & Odour

The complainant complained the construction noise and odour nuisance from the construction vessel.

Y

According to the information provided and confirmed by the Engineer, major construction activity including dredging, loading and unloading of marine sediment was conducted during the time of complaint

 

The use of dredger and derrick barge conformed to the proposed quantity and type of PME stated in the updated Construction Noise Assessment of CNMP.

 

Based on the noise monitoring results in April and May 2018, no Limit Level Exceedance was recorded at Station CM6(A) and CM7(A). It is considered that no adverse construction noise impact was brought to the nearby sensitive receivers during the construction.

 

The Contractors had implemented environmental mitigation measures to reduce construction nuisance from construction activities to the nearby sensitive receivers as follows:

Noise:

Ø Noise source on the barge was covered with acoustic materials.

Ø Additional sound absorptive blankets were used to reduce the nuisance from the engine of the barge.

Ø Nylon rope was used instead of wire rope to reduce friction secure the barge in place.

Ø Maintenance of barge including lubrication of moving parts was performed to minimized noise from worn or loose parts.

Air Quality:

Ø Additional water filter tank was adopted to reduce emission of dark smoke and exhaust smell.

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

158

30th April 2018

Not specified/ Construction of Lam Tin Interchange

Property Management Office of  Kwong Tin Estate

Noise

The complainant complained the noise nuisance due to the breaking work at Lam Tin Interchange.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

157

26th April 2018

Not specified / Construction of TKO portal

Resident of Laguna City

Light

The complainant complained that two spotlights were used during daytime and nighttime causing light nuisance to the residents. She requested to direct the strong lighting toward the sea.

N

According to the information provided and confirmed by the Engineer, no major construction activity was conducted at the location of complaint on 26 April 2018.

Upon the receipt of the complaint, as confirmed by the Engineer, the Contractor had taken initiatives to maintain the environmental conditions in the works area as shown below:

Ø  The spotlights at the Cha Kwo Ling Public Cargo Working Administrative Office were switched off during daytime; and

Ø  The illumination angle of spotlights was turned facing downwards to avoid light overspill

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

Closed

156

25th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate, Yau Lai Estate

Noise

The complainant complained the noise nuisance due to the breaking work at Lam Tin Interchange.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

155

23th April 2018

Not specified / Construction of Road P2

Public

Noise

The complainant complained about noise from construction activities at the sea area near Ocean Shore Block 6 starting 8:30-8:45am on 23 April 2018. She suspected the noise is from drilling/breaking works. 

Y

According to the information provided and confirmed by the Engineer, construction works including excavation and pre-boring works in Portion IV were conducted on 23 April 2018. One unit of excavator and two units of mini backhoe were in operation for excavation works while two units of drill rigs were in operation for the pre-boring works in Portion IV.

As confirmed by the Engineer, no breaking works were carried out during the time of complaint in Portion IV. Therefore, pre-boring works at Portion IV is regarded the source of noise nuisance.

 

The Contractor had implemented environmental mitigation measures to minimize the noise nuisance to the nearby noise sensitive receivers as follows:

 

Ø  Acoustics barriers were provided to the drill rigs for pre-boring works (see photo 1).

Ø  Maintenance was provided to the rotary head of the drill rig to minimize noise nuisance from worn or loose parts.

Ø  Regular site checking would be performed to ensure the type and quantity of powered mechanical equipment are in order with the updated Construction Noise Assessment.

Ø  Acoustic box was utilized for breaking works to minimize noise nuisance

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

The use of excavator did not conform the proposed quantity of powered mechanical equipment stated in the CNMP. Therefore, it is regarded as a non-compliance.

 

Closed

154

23th April 2018

Not specified/ Construction of Lam Tin Interchange

Kwun Tong District Council Member Mr. Lai Shu Ho

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

153

23th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the noisy breaking work from two breakers at Lam Tin Interchange. He requested the Contractor to review the noise mitigation measures on site.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

152

20th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Nga Lai Estate, Yau Lai Estate

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

151

17th April 2018

Not specified/ Construction of Lam Tin Interchange

Property Management Office of Yau Lai Estate

Noise

The complainant complained the noise nuisance due to the construction work at Lam Tin Interchange.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

150

17th April 2018

Not specified/ Construction of Lam Tin Interchange

Sham Shui Po District Council Member Mr. Ho Kai Ming

Noise

The complainant complained the noise nuisance during night time blasting works at the Lam Tin Interchange.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

149

 

16th April 2018

Not specified / Construction of Road P2

Resident of Ocean Shore

Noise

The complaint is about the noise generated from a poorly maintained excavator.

Y

According to the information provided and confirmed by the Engineer, two units of excavators were in operation for excavation works in Portion VI on 16 and 18 April 2018. Excessive sound from movement of the poorly maintained excavator is considered source of noise nuisance.

 

The Contractor had implemented environmental mitigation measures to minimize the noise nuisance to the nearby noise sensitive receivers as follows:

 

Ø  As confirmed by the Engineer, the use of concerned excavator was stopped and it was replaced with a new excavator.

Ø  Regular site checking would be performed to ensure the type and quantity of PME are in order with the updated Construction Noise Assessment

 

The Engineer and the Environmental Team have reminded the Contractor to properly implement mitigation measures to effectively minimize construction nuisance caused by the construction works to the nearby residents.

 

The use of excavator did not conform the proposed quantity of powered mechanical equipment stated in the CNMP. Therefore, it is regarded as a non-compliance.

 

Closed

18th April 2018

Not specified / Construction of Road P2

Resident of Ocean Shore

Noise

The complaint is about the noise generated from a poorly maintained excavator.

Y

Closed

148

15th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the noisy construction work at Lam Tin Interchange.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

147

15th April 2018

Not specified/ Construction of Lam Tin Interchange

Resident of Yau Lai Estate

Noise

The complainant complained the noisy construction work at Lam Tin Interchange on public holiday.

Y

See Investigation / Mitigation Action for Complaint No. 145.

Closed

146

9th April 2018

8th April 2018/work site at the waterfront near Ocean Shore

Public

Noise

The complainant complaining about construction noise emanated from the work site at the waterfront near Ocean Shore Block 1 on 8 April 2018, starting from 8am.  The complainant said noise were generated from barges, machine and construction vehicles and causing nuisance.

Y

See Investigation / Mitigation Action for Complaint No. 142.

Closed

145

2nd April 2018

Public holiday/ Construction Works near Eastern Harbour Crossing tunnel portal

Resident of Yau Lai Estate

Noise

The complainant complained the noise nuisance due to the construction work near Eastern Harbour Crossing tunnel portal on public holiday. (started from 9:00 am)

Y

According to the Engineer’s Site Diary, the major construction activities performed in the reporting period included rock breaking and excavation at Lam Tin Interchange.

 

According to the latest CNMP of this Contract, the subgroups of work activities undertaken near noise sensitive receivers in the reporting period are as follows:

-          Construction of Lam Tin Interchange (LTI);

The construction activities of Lam Tin Interchange (Work site No.101) on 17th, 23rd & 25th of April possessed of 7 no. of breakers, which were consistent with the quantities of breakers in the Construction Noise Mitigation Plan (Group 1.1.8)

A valid Construction Noise Permit (CNP) (No. GW-RE0084-18) was granted to the Contractor for the construction site at Lam Tin Interchange. According to the conditions in the CNP, only one group among Group A to N of the powered mechanical equipment is allowed to be operated during 08:00 - 23:00 hours on general holiday (including Sunday). The operations on 2nd & 15th