All construction job sites are not work-friendly. There are many jobs done in very remote and rural areas. The Jobsite conditions could be tough and demanding. Reaching concrete to such job sites is a nightmare even to this day. Experts work overtime to optimize the concrete supplies to such job sites and more often end up in crisis situations.
Transporting concrete inside a low-profile tunnel is the most challenging task in any tunnel construction job. A huge amount of resources, time, labor is spent in this single activity.