The project manager neglects the overall progress of construction and charges expenses accordingly. This type of contract is useful when management aspects are important in the project. Conventional Construction Contract: Conventional Construction Contract mainly works on “design, construction bid”. The owner/client shall appoint consultants to prepare details, tender documents, drawings, BOQ. Then the contracts must submit the offers. Conventional contracts are also called traditional contracts. Contractors are not responsible for design and other structural work. Q#4 Building Information Modeling (BIM) is the software that generates and manages building data during its life cycle. It typically uses three-dimensional, real-time dynamic building modeling software to increase productivity in building design and construction. Advantages of BIM • Single BIM data entry software, avoids the possibility of variations and errors resulting from repeated entry of identical data on multiple media. • Design efficiency reduces costs of designing and preparing contract documents. • Its information is uniform and shared with everyone