Antigua Civil Works Design and Construction Supervision

The objectives of the Climate Risk and Vulnerability Assessment (CRVA) are to identify and evaluate the potential effects of climate change on the roads, including adjoining coastal areas and communities, and recommend resilience measures to address the identified risks and vulnerabilities.

Background

The main impact of Hurricane Irma on Antigua was damage to its secondary roads. This was worsened by the existence of blocked or inadequate drains probably due to inadequate maintenance, as well as housing development which did not adequately address drainage issues.

These roads serve as primary links to several residential communities and in the absence of adequate accessibility and mobility there is a crippling effect on economic and social development. Against this background, it is proposed to reconstruct and rehabilitate 13.6 km of secondary roads in Antigua that were damaged by Hurricane Irma. A Climate Risk and Vulnerability Assessment (CRVA) will be undertaken as part of the design process to ensure that the rehabilitated roads are strengthened against climate risks.

Objectives

In consultation with the GOAB, the consultant shall define the spatial scope of the
study in relation to relevant transport assets and communities linked to the 17 km of roads. They should also agree with GOAB on the time horizon with regard to the timescales of the climate variables of interest and the life cycle of the proposed project infrastructure. The consultant should begin with a consultation with stakeholders to get a better understanding of the nature of the climate risk and adaptation issues, especially the historical experience of climate related hazards, the response and to agree on the scope.

• (a) to ensure that designs for the bridge and road rehabilitation works are
  completed in accordance with the highest practicable local and international
  engineering and design standards to provide solutions with the lowest lifecycle costs that satisfy the design criteria;
• (b) to ensure that high quality construction is achieved and to ensure that all  work is carried out in full compliance with the engineering design, technical
  specifications and other contract documents; and
• (c) to provide support to the executing agency in the execution of its project management functions, including its monitoring and evaluation functions.

Deliverables

The Consultant will be required to complete the following reports:
a) a draft report on completion of the risk assessment; and
b) a final report on the CRVA specifying the recommended design changes to take account of climate risks, including an analysis of drainage, hydraulic structures,
roadway design options for the upgrading of the roads based on various event
scenarios, structural and non- structural measures for coastal protection.