1. Member, ASCE
2. Lect. in Constr. Mgmt., Dept. of Civ. Engrg., Univ. of Malawi, Private Bag 303, Chichiri Blantyre 3, Malawi. E-mail: gkululanga@yahoo.com
3. Lect., Dept. of Civ. Engrg., Univ. of Malawi, Private Bag 303, Chichiri Blantyre 3, Malawi. E-mail: wkuotcha@yahoo.com
4. Sr. Pro-Vice Chancellor and Prof. of Constr. Mgmt., Dept. of Civ. and Build. Engrg., Loughborough Univ., Leicestershire, U.K. LE11 3TU. E-mail: r.mccaffer@lboro.ac.uk
5. Res. Asst. in Constr. Mgmt., Dept. of Civ. and Build. Engrg., Loughborough Univ., Leicestershire, U.K. LE11 3TU. E-mail: f.edum-fotwe@ lboro.ac.uk