TY  - JOUR
T1  - Effects of Indequate Design by Specialist Consultants in Construction Projects
AU - , Kabir Bala AU - , Yakubu Ibrahim 
JO  - Journal of Engineering and Applied Sciences
VL  - 2
IS  - 9
SP  - 1414
EP  - 1420
PY  - 2007
DA  - 2001/08/19
SN  - 1816-949x
DO  - jeasci.2007.1414.1420
UR  - https://makhillpublications.co/view-article.php?doi=jeasci.2007.1414.1420
KW  - Inadequate design
KW  -specialist consultants
KW  -initial contract sums
KW  -variations
KW  -prime cost sums
AB  - Inadequate design by specialist consultants can cause differences to the initial contract sums of proposed projects. This study presents a review of the effects on Initial Contract Sums of variations caused by specialist consultants and the Adjustment of Prime cost sums. Adequacy of design could be affected by deficiencies in detailing, specification, legislation and building of drawings and inaccuracies in the build-up of Prime cost sums prepared for the Bills of Quantities. Five completed projects in a selected domain of projects and analysed in order to illustrate the effects of inadequate specialist consultants’ Designs on the Initial contract sums of construction projects. Differences to the initial contract sums were encountered on all the five projects, ranging from 3.36-43.40%. It is recommended that clients should present their brief in details and specialist consultants should spend time, with forethought in the preparation of contract documents.
ER  -