Gem Farm Bridge (Amuru)

Project details


Project name and Length

Construction of GEM Farm Bridge in Atiak, Amuru District


M/S Marvel Contractors and Road Maintenance Ltd

Supervision consultant


Contract sum

UGX 1.67 Bn revised to UGX 1.92 Bn

Funder (s)

Government of Uganda

Scope of Works

Design and Build Contract

Commencement date

27th September 2018

Contract Duration

8 Months

Completion date

31st March 2019

Revised Completion date

30th August 2019

Contract time elapsed


Physical Progress against planned


Amount paid in land compensation



Project details

The bridge is in Atiak sub-county Amuru District, about 91 km from Gulu town along Gulu-Nimule Highway. The Contractor for the construction of Gem Farm Bridge is M/s. Marvel Contractors and Road Maintenance Ltd.

The proposed bridge lies across river Unyama connecting the sugar factory to the out growers. It is a single span compact bridge of 30.48 m supported on two abutments.


Scope of work

The scope of work consists of widening and gravelling the approach roads; concrete works for abutment walls; protection works to the structure and embankment; gabion and stone pitching works; ancillaries including guardrails and market posts, testing of materials and workmanship; river training and Bailey Bridge Installation, which was done with the help of MoWT team.


Progress of works

  • Substructures activities were concluded in May 2019, a cutting period of 28 days was set aside for the abutments to attain maximum strength.
  • The Installation process took 21 days and was concluded on the 26th June 2019, subsequently, the contractor, commenced approach road and protection works, an activity on going to date.
  • Current percentage progress of key activities and the weighted physical progress of works; Current physical Progress is 91% against a time lapse of 96%.
  • The contractor has so far been paid UGX 1.2 Bn representing 61% of the financial performance against the revised Contract amount.
  • There was a time extension of 150 days due to logistical challenges and the increased water levels in the river in the rainy season;
  • There was also a cost variation was given because of additional work from the designed typical reinforced concrete bridge to the Mabey standard.