lessons learnt from a pilot project for ......director of projects - tanroads table of content 1....

LESSONS LEARNT FROM

A PILOT PROJECT FOR

PMMR IN TANZANIA

By; Eng Chrispianus B Ako,Director of Projects - TANROADS

TABLE OF CONTENT1. Overview of PMMR

Pilot Project2. Lessons learnt3. Way forward

1st AfDB Transport Forum26-27 Novembre 2015 Abidjan

Overview of Pilot Project

�1,010 km of unpaved roads in three different regions

� 6 contract packages- Initial plan was about 300km per package - later reduced to about 100 - 200 km per package

Scope of Pilot project



�Works performed included;- Initial Rehabilitation – paid based on output- Maintenance Works – fixed lump sum per month- Emergency Works - as instructed

Scope of Pilot project



� started in 2007 and completed in 2012

� 6 Local Contractor executed the Works

�3 local Firms supervised the works

�1 International firm conducted training and facilitation

� Contractors were responsible to plan what do, where to do, how to do and when to do in order to meet performance criteria.

Implementation arrangement



� Supervision consultant were responsible for- assessing contractor’s compliance every month and

certify payments accordingly- quality control for rehabilitation works and

emergency Works- Inspecting road condition and notify Contractor on

defects

Implementation arrangement



Performance CriteriaService level Fair

< 50 VpdGood50-100 vpd

V. Good>100 vpd

Accessibility All year All year All year

Travel speed (km/h) 40 50 60

Road User Comfort: Max Rut depth ( cm) 10 7.0 5.0

Max. area for single degradation (m2) 1 1 0.5

Max cumulative degradation per km (m2) 100 80 50

Max. corrugation amplitude (cm) 5 3.5 2.5



Time table of compliance

Usability TrafficSpeed

Road UserComfort

Durability

Very Good Month 3 Month 8 Month 6 Month 14

Good Month 3 Month 8 Month 10 Month 17

Fair Month 3 Month 8 Month 11 Month 19



� Value for Money

� Reduced Overhead to the Agency

� Timely attendance of emergency Works

� Comparatively lower costs

Expected Benefits of PMMR


Lessons learnt

1. Select roads which are in maintainable state

2. Design of rehabilitation Works should not be done by Contractors

3. Use simplified performance criteria

eg Measure roughness instead of various distress,

4. Select few but effective service quality levels

eg use GOOD instead of GOOD and FAIR


Lessons learnt

5. Identify and apportion risks properly.

- risk of traffic increase - Employer

- risk of overloading - Employer

- land acquisition - Contractor

6. Clarity on contract Documents

- conditions of Contracts

- specifications


Lessons learnt

7. Undertake adequate training for the prospective bidders

8. Select contractors with Technical and financial capability

9. Give adequate time for bid preparation

10. Provide training/ awareness to Agency staff

11.Provide awareness to societies along project area