Contract No. HY/2013/12Tuen Mun - Chek Lap Kok Link - Northern Connection Toll Plaza and Associated Works
Investigation Report on Action or Limit Level Non - compliance
| Complaint Log No. | TCS00715/14/300/F0205 |
|---|---|
| Received Date by ET | 15 June 2016 |
| Complaint Details | The complainant complained that white color effluent discharging outfall behind sawmill at Ho Yeung Street, Tuen Mun. |
| Complaint Location | Storm outfall of Ho Yeung Street, Tuen Mun |
| Date of Complaint | 7 June 2016 |
| Environmental Aspect | Milky water |
| Complainant | Unknown |
| Complaint Route | via EPD hotline |
| Investigation Result | 1 A complaint was received via EPD hotline on 7 June 2016, claimed that white color effluent discharging at storm outfall of No.33 Ho Yeung Street, Tuen Mun at around 18:00 and this is a follow up of the complaint EP/RW/0000368066 which received on 9 May 2016 and defecated as not project related complain. (Please refer to Location Map) 2 After received EPD verbal notification, the Contractor investigate the concerned drainage and confirmed that no water discharge at the concerned drainage as shown in location map. The nearest permitted discharge point (point 5 in the effluent discharge license) is currently not in use at this construction stage. (Photo 1) 3 Also EPD visit the upstream area and open the cover of manhole at Ho Fuk Street on 21 June 2016. No water discharge was observed and the manhole was clean and dry in condition. During the joint investigation and inspection by EPD, Aecom and the Contractor, it was found that the white water might came from other facilities or site located at Ho Yeung Street which is not related to this project. (Photo 2 & 3) 4 For the above result, the complaint was concluded invalid and not related to the project. 5 Although the complaint is concluded not project related, in order to prevent any incident for any possible muddy water entering the concerned drainage system, the Contractor has plugged the inlet of manhole SCH1008705 to ensure no water would be flow into the concerned drainage in later stage. (Photo 1) 6 In the previous complain, the Contractor commits to clean the concerned drainage location along Ho Fuk Street and Ho Fat Lane and EPD recommended the Contractor to carry out further cleansing works to the drainage pipe at Ho Yeung Street. The cleansing work at Ho Yeung Street was completed on 16 June 2016. (Photo 4 to 6) |
Prepared By : T.W. Tam
Designation :Environmental Team Leader
Signature :
Date : 29 June 2016
Ho Yeung StreetHo Fat LaneManhole SCH1008705Ho Fuk StreetBreaker Blocked Drainage (to Manhole SCH1008705)Cleaned drainage in previous ComplainEacavator
Extended Cleaned drainageConcerned outfall