详情

原文传递 Adapting Road Procurement to Climate Conditions

题名：	Adapting Road Procurement to Climate Conditions
责任者：	Iimi, Atsushi；Benamghar, Radia
关键词：	Roads and Highways；Environment；Climate Change Mitigation and Green House Gases；Environment；Global Environment Facility；Transport Economics Policy and Planning；Rural Roads and Transport；Rural Development；Transport
学科分类：	公路运输
摘要：	The world's climate is changing. It is well recognized that technical standards and project specifications of public infrastructure have to be adjusted, depending on the climate. However, it is less recognized that the public infrastructure procurement also needs to be adjusted. This paper examines a particular case of rural road procurement in Nepal. Severe weather conditions, such as heavy rains and storms, are likely to interrupt civil works and wash away unpaved or gravel roads. It is found that heavy precipitation causes delays, but not cost overruns. The paper also shows that budgetary efficiency and credibility could be improved by taking climate conditions into account. If future precipitation were anticipated by backward-looking expectations, many large project delays could be avoided. If the autoregressive precipitation model were used, the vast majority of the observed delays could be eliminated.
出版机构：	World Bank
完成日期：	2012-04
报告类型：	咨询报告
资源类型：	科技（咨询、行业）报告