“…(a) the financial difficulties of customers and/or owners (CHALLAL; TKIOUAT, 2012;FUGAR;AGYAKWAH-BAAH, 2010;LARSEN et al, 2016 (ALAGHBARI et al, 2007;KHARASHI et al, 2009); (e) poor project planning (DUY; OGUNLANA, 2004;KHOSHGOFTAR et al, 2010); (g) low availability and productivity of labor (ABDUL-RAHMAN et al, 2006;KUMARASWAMY;CHAN, 1998); and 30 (h) late delivery or poor quality of materials (KOUSHKI; KARTAM, 2004;RAHMAN et al, 2017). Also, there are unpredictable events, poor technical capacity of local teams of contractors or consultants, poorly designed projects, adverse climatic conditions, increased production, among other causes of delay (AL-MOMANI, 2000;BEKTAS, 2015;HASEEB;BIBI, 2011). Gebrehiwet and Luo (2017) also highlight corruption, inflation and unavailability of supplies in the construction sites as causes of delay in services.…”