“…Many studies have been conducted to identify the delay factors related to new construction projects, but few studies have focused on the factors related to reconstruction projects. Shortages of skilled workers [10,11,13,16,18,19,25,29,31,33,37,39,[43][44][45][46][47][48] 18 3 Improper planning and scheduling [10,15,16,18,19,26,27,30,31,33,34,37,45,47,49] 15 4 Change orders [11,12,15,16,[18][19][20]23,30,35,37,43,45,50] 14 5 Delay & shortages of materials [11,…”