axle load control in tanzania regulations and operations
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AXLE LOAD CONTROL IN TANZANIA Regulations and Operations. Prepared by TANROADS FOR UGANDA NATIONAL ROADS AUTHORITY DELEGATION 29 TH MARCH 2011. Structure of Presentation. The paper discuss 7 areas Introduction Effect of Overloading on road structures Rules and procedures in Tanzania

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axle load control in tanzania regulations and operations

AXLE LOAD CONTROL IN TANZANIARegulations and Operations

Prepared by

TANROADS FOR UGANDA NATIONAL ROADS AUTHORITY DELEGATION

29TH MARCH 2011

structure of presentation
Structure of Presentation

The paper discuss 7 areas

  • Introduction
  • Effect of Overloading on road structures
  • Rules and procedures in Tanzania
  • Axle, GVM and Dimensional limits
  • Achievements
  • Challenges, and
  • The Way forward and
  • Conclusion
introduction
Introduction
  • Tanzania has a road network of about 85,000 km with a replacement value of US$ 2.5 million.
  • Good roads are important for social- economic development of any country.
  • Funds to construct and maintain roads to good standards are very limited.
  • And therefore preservation of this investment is inevitable.
introduction cont
Introduction Cont.
  • It is estimated that, about 24% of heavy vehicles plying on Tanzanian roads network are overloaded.
  • Overloading relative to legal load limits is known to be fairly widespread and is responsible for the significant acceleration in pavement deterioration
  • The overloading has resulted into a very serious and costly maintenance problem.
  • Recent records show that the over all percentage of overloaded vehicles in Tanzania is between 5 and 24%.
overloading effects
Overloading effects
  • Overloaded vehicles causes serious damage to all road structures (pavement and bridges),
  • The problem may be even more serious in Tanzania as most of the country’s first generation roads are reaching the end of their design period.
  • Overloaded vehicles also become a traffic hazard, especially failure of breaking system mechanism, bursting of tires, shifting of centre of gravity and additional breaking distances involved.
overloading phenomena
Overloading phenomena
  • Overloading = Transport efficiency = High profits (for haulers) = Lower commodity prices.

HOWEVER

  • Overloading = Road network destruction = higher road user costs (for all!!)= Economic down turn.
overloading control efforts
Overloading control efforts
  • Although the history of attempts to control truck overloading worldwide (as well in Tanzania) started long ago, the undesirable situation still persists.
  • Due to budgetary and other restrictions, law enforcement is operating in a sporadic rather than a systematic manner, and with insufficient power and success.
governing rules in tanzania
Governing Rules in Tanzania
  • Axle load control is regulated under the road traffic Act No.30 of 1973, Regulation 2001.
  • The Regulation clearly defines responsibilities of the Road Authority (Ministry of Works and TANROADS) in jointly (collaboration) with the Ministry of Home Affairs
regulations in tanzania
Regulations in Tanzania
  • The Regulations sets enforcement procedures to be followed and give guidance as regards to the limits of its applications, procedures for weighing, issuance of abnormal and awkward loads permits, imposition and payment of fees, and administration of appeals.
  • The regulation set the maximum allowable single axle load limit of 10 tons and a maximum gross vehicle mass of 56 tons.
regulations in tanzania1
Regulations in Tanzania
  • These regulations have been harmonized with the axle load control recommendations of the Southern African Development Community (SADC)
  • These limits are of 10 tons for single axle with dual tires, 18 tons for a tandem axle group and 24 tons for triple axle group.
weighing requirements
Weighing Requirements
  • All vehicles with loading capacity of equal or more than 3.5 tons must be weighed.
  • Weighing of a vehicle is by starting with first axle up to the last group of axle,the sum of axle weights is the total Gross Vehicle Mass(weight).
  • A tolerance of 5% is provided in the Regulations
  • All overloads beyond 5% of legal limit must be offloaded into another vehicle or re-arranged
  • To proceed with 5% overload, the transporter shall pay a surcharge fee of 4 times its overload.
administrative requirement
Administrative Requirement
  • The legislation introduced an administrative fee schedule to simplify the normal criminal court procedure.
  • Provide a realistic compensation system for overload damage to roads and bridges.
  • The legislation empowers a weighbridge operator to impose fees on the spot to owners of an overloaded vehicle without necessarily going to criminal court proceedings.
dimensional limits
Dimensional limits
  • Maximum height of any vehicle = 4.6 meters.
  • Maximum width of any vehicle = 2.6 meters.
  • Overall length of rigid vehicles = 12.5 meters.
  • Overall length of articulated vehicles = 17 meters.
  • Any combination of vehicles = 22 meters.

Note:Anything above these limits, must get a permit

weighing facilities
Weighing Facilities

Weighing of vehicles is done using two types of scales.

  • Fixed scales (25 nos.) and
  • Portable scales (17 nos.)

All scales are electronically operated and produces printout and store data.

achievements
Achievements
  • With this regulations in place, number of overloaded vehicles has declined from 40% in 1999 to less than 25% in 2011,
  • Sensitization and create awareness of transporters and road users on axle load control has also substantially improved
  • Reduced number of vehicles by passing weighbridge stations.
achievements cont
Achievements (cont..)
  • Aged and low capacity of Mechanical weighbridges, were upgraded toelectronic fixed weighbridges.
challenges
Challenges
  • Inadequate budget for the operations, repair and maintenance of the weighbridges
  • Inadequate budget to recruit and train more staff for operating weighbridge stations
  • Inadequate number of fixed weighbridges at strategic locations, in particular along the central corridor, at ports border posts.
challenges cont
Challenges (cont..)
  • Inadequate funds for procurement and construction of more weighbridge stations in accordance with the weighbridge master plan.
the way forward
The way forward
  • Harmonization of regulations within SADC, COMESA, and EAC member countries.
  • Preparation of more guidelines on handling of abnormal load permits is in progress
  • Soliciting funds from different sources internally and externally to complete implementation of the weighbridge master plan
  • Establishment of bridge formula to be used for axle groups and gross weights for multi-abnormal load vehicles.
the way forward cont
The way forward (cont..)
  • Establishment of an Overload Management System for Tanzania
  • Soliciting funds for improvement of existing infrastructure scales and install more modern scales
  • Installation of Weigh in Motion equipment at busiest weighing sites.
conclusion
Conclusion

Exercising Axle load control operations in roads agencies like TANROADS,UNRA and others is inevitable. Because controlling overloading will safe guard the investment of roads and this will make agency to utilize less budget on maintaining the roads. This will in turn improve the countries economy.

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