Overloading ofOverloading of Dump TruckDump Truck

ByBy

Ir Winston F.K. FONGIr Winston F.K. FONG

ross ve c e we g o a ve c eross ve c e we g o a ve c e

          

                                                

                        

G   hi l   i ht (GVW)  f    hi l  G   hi l   i ht (GVW)  f    hi l                                                        

Road Traffic Ordinance (CAP374)Road Traffic Ordinance (CAP374)

•• Road Traffic (Construction andRoad Traffic (Construction and Maintenance of Vehicles) RegulationsMaintenance of Vehicles) RegulationsMaintenance of Vehicles) RegulationsMaintenance of Vehicles) Regulations (CAP374A), Regulation 7(CAP374A), Regulation 7

•• Road Traffic (Traffic Control) RegulationsRoad Traffic (Traffic Control) Regulations (CAP374G), Regulation 54(CAP374G), Regulation 54

•••• Gross vehicle weight (GVW) of a vehicleGross vehicle weight (GVW) of a vehicle shall not exceed the Permitted Grossshall not exceed the Permitted Gross Vehicle Weight (PGVW)Vehicle Weight (PGVW)

                                

    

Road Traffic (Construction and MaintenanceRoad Traffic (Construction and Maintenance of Vehicles) Regulations (CAP374A)of Vehicles) Regulations (CAP374A) –– Regulation 7Regulation 7Regulation 7Regulation 7

                       

Road Traffic (Traffic Control) RegulationsRoad Traffic (Traffic Control) Regulations (CAP374G)(CAP374G) ­­ Regulation 54Regulation 54

                                

Factories and Industrial UndertakingFactories and Industrial Undertaking Ordinance (CAP 59), Section 6Ordinance (CAP 59), Section 6

                                

Occupational Safety and Health OrdinanceOccupational Safety and Health Ordinance (CAP 509), Section 6(CAP 509), Section 6

                    

Construction Site Safety HandbookConstruction Site Safety Handbook for Public Worksfor Public Works ProgrammeProgramme

PlacePlace LawLaw AuthorityAuthority

Construction Re ulations

  

      

             

   

            

    

Law EnforcementLaw Enforcement

PlacePlace LawLaw AuthorityAuthority

Construction Sites

Factories and Industrial Undertaking Ordinance (CAP59) & Occupational Safety and Health Ordinance (CAP509)

Labour Department

Public Roads Road Traffic (Traffic Control Construction) Regulations

Police Force ) g

•• Dan erous to the drivers & other road usersDan erous to the drivers & other road users

          

      

                                

                  

                  

                                                    

                                                    

Issues arisen from OverloadingIssues arisen from Overloading

•• Insurance becomes invalidInsurance becomes invalid

•• SafetySafety –– increase wear and tear of braking systemincrease wear and tear of braking system –– malfunction of braking systemmalfunction of braking system –– accident on site or during transitaccident on site or during transit

•• Shorten design life of road pavementShorten design life of road pavement

•• Dangerous to the drivers & other road usersDangerous to the drivers & other road usersgg

•• Put all project staff and contractor at risk in case ofPut all project staff and contractor at risk in case of law suit and compensationlaw suit and compensation

      

          

                                    

Who is Responsible?Who is Responsible?

•• Client/Engineer/Contractor (control atClient/Engineer/Contractor (control at source)source)

•• Hauler for addition of waste load notHauler for addition of waste load not authorised by his clientauthorised by his client

                                

                                

                             

                                                                                      

                                 

                                            

MalpracticeMalpractice

•• Penalize the haulers without resolving thePenalize the haulers without resolving the overloading problem at sourceoverloading problem at source

•• Use DWDF’s transaction record rather thanUse DWDF’s transaction record rather than construction site’s weighbridge recordconstruction site’s weighbridge record

•• Forget about theForget about the tolerancetolerance of weighbridgeof weighbridge measurement (+/measurement (+/­­ 1.5% for DWDFs)1.5% for DWDFs)

•• Forget about waste load with overloading lessForget about waste load with overloading less than tolerance will be accepted by DWDFs andthan tolerance will be accepted by DWDFs andthan tolerance will be accepted by DWDFs andthan tolerance will be accepted by DWDFs and DWDF’s record can be used for fineDWDF’s record can be used for fine­­tuning of sitetuning of site measuresmeasures

•• Hauler to transfer materials within DWDF evenHauler to transfer materials within DWDF even overloading < tolerance to avoid penaltyoverloading < tolerance to avoid penalty

                

Transferring of MaterialsTransferring of Materials within disposal facilitywithin disposal facility

•• Disru tion to O eration of FacilitDisru tion to O eration of Facilit

•• Who pay? Receiving truck incurs extraWho pay? Receiving truck incurs extra

            

              p     p     yp     p     y

              

                                                                  

                  

             

Concerns on TransferringConcerns on Transferring of Materialsof Materials

•• Disruption to Operation of FacilityDisruption to Operation of Facility

•• SafetySafety ­­ Works at HeightWorks at Height ­­ No Safety HelmetNo Safety Helmet ­­ No insuranceNo insurance

•• Who pay? Receiving truck incurs extraWho pay? Receiving truck incurs extra disposal cost to the client unlessdisposal cost to the client unless hauler uses his own CHIT accounthauler uses his own CHIT account

**** Client can be governmentClient can be government

contractor assoc at ons, , s an oncontractor assoc at ons, , s an on

•• Post overloading records at EPD and CEDD’s websitePost overloading records at EPD and CEDD’s website

                                

                        i i  HD  WD   d MTRCL   26   i i  HD  WD   d MTRCL   26                               

                                        

                      

                                    

                                                    

                  

                       

Reinstatement of Overloading ControlReinstatement of Overloading Control at DWDFs on 2 July 2011at DWDFs on 2 July 2011

•• Issued advance notice to hauler associations,Issued advance notice to hauler associations, contractor associations, HD, WDs and MTRCL on 26contractor associations, HD, WDs and MTRCL on 26 May 2011, and haulers at CEDD’s DWDFs on 2 JuneMay 2011, and haulers at CEDD’s DWDFs on 2 June 20112011

•• Reject vehicle with GVW > 105% PGVWReject vehicle with GVW > 105% PGVW

•• Do not allow any transfer of materials betweenDo not allow any transfer of materials between trucks within DWDFstrucks within DWDFs

•• Post overloading records at EPD and CEDD’s websitePost overloading records at EPD and CEDD’s website

•• Warn CHIT Account Holder by letterWarn CHIT Account Holder by letter

•• Inform lawInform law reinforcersreinforcers (Police and(Police and LabourLabour Department) of overloaded recordsDepartment) of overloaded records

  No OverloadingNo Overloading

•• Tolerance at InTolerance at In­­lane Weighbridge tolane Weighbridge to

                            

                                                        

  

      

                            

                                

Acceptance Criteria on OverloadingAcceptance Criteria on Overloading by Designated Waste Disposal Facilitiesby Designated Waste Disposal Facilities (DWDFs)(DWDFs)

•• Tolerance at InTolerance at In­­lane Weighbridge tolane Weighbridge to account for accuracy of weighbridge andaccount for accuracy of weighbridge and minor varianceminor variance

•• Agreed by tradesAgreed by trades

•• Informed Police and Works DepartmentsInformed Police and Works Departments•• Informed Police and Works DepartmentsInformed Police and Works Departments

•• Adopted by Landfill, Public Fill ReceptionAdopted by Landfill, Public Fill Reception Facilities and Sorting FacilitiesFacilities and Sorting Facilities

                    

      

Avoid OverloadingAvoid Overloading ­­ Check weight load by weighbridgeCheck weight load by weighbridge

before leaving sitebefore leaving site

                

Avoid OverloadingAvoid Overloading ­­ Truck retrofitted with Pressure GaugeTruck retrofitted with Pressure Gauge

                

aste  oa  recor s  rom    e s teaste  oa  recor s  rom    e s te                  

                                    

                                    

                          

Avoid OverloadingAvoid Overloading ­­ Using Previous Waste Load RecordsUsing Previous Waste Load Records

•• W l d d f EPD W b iW l d d f EPD W b i•• Waste load records from EPD WebsiteWaste load records from EPD Website

•• ER/ Contractor to monitor and adjustER/ Contractor to monitor and adjust waste load of next tripwaste load of next trip

•• Safety Officer to assist monitoring as itSafety Officer to assist monitoring as it relates to site safetyrelates to site safety

•• Work with haulers to achieve rather thanWork with haulers to achieve rather than penalisepenalise

selective demolition and onselective demolition and on­­site sortinsite sortin

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Same Applies to Sorting ofSame Applies to Sorting of Construction WasteConstruction Waste

•• Implement proper environmental management withImplement proper environmental management with selective demolition and onselective demolition and on­­site sortingsite sortinggg

•• Deliver the properly sorted materials to theDeliver the properly sorted materials to the appropriate disposal facilitiesappropriate disposal facilities

•• Public Fill Reception FacilitiesPublic Fill Reception Facilities –– entirely inertentirely inert construction waste ($27/tonne)construction waste ($27/tonne)

•• LandfillsLandfills –– mixed construction waste with inertmixed construction waste with inert•• LandfillsLandfills mixed construction waste with inertmixed construction waste with inert content not more than 50% by weight or noncontent not more than 50% by weight or non­­inertinert construction waste ($125/tonne)construction waste ($125/tonne)

•• Sorting facilitiesSorting facilities –– mixed construction with inertmixed construction with inert content more than 50% by weight ($100/tonne)content more than 50% by weight ($100/tonne)

roper mp emen a onroper mp emen a on

  

    

  

  

Your SupportYour Support inin

P I l t tiP I l t tiProper ImplementationProper Implementation ofof

EnvironmentalEnvironmental Management PlanManagement Plan

(ETWB 19/2005)(ETWB 19/2005)

End