In summary, unit price contracts are well designed for projects with familiar materials and repetitive work units. This type of contract results in high performance, competitive and compliant pricing in the tendering phase and a common risk for all parties involved. Some of the falls can occur while working on more complex projects and the work is not perfectly defined for unit prices (z.B. Project with all doors and door sizes… The installation scopes and equipment used in each opening would be different from the next.) Individual contracts are often used in engineering, landscape architecture, flat construction and housing. Home builders… Oh, really? Yes, unit work may not be repeated, but for manufacturers that offer a finite number of model options, it is useful in the grand scheme of things. For public works, you will often see a large number of lump sums for the estimated volume of work and additional unit prices for temporary positions. These are more difficult to estimate until work begins.
(for example.B. geotechnical studies are not accurate in measuring excavation/earthwork requirements) This type of contract includes a total fixed price for all construction-related activities. Lump sum contracts may include incentives or benefits in the event of early termination or penalties, known as liquidated damages, for late termination. Lump sum contracts are preferred when a clear scope and a defined timetable have been verified and agreed upon. For most dredging offers, a quantitative estimate is made for the materials listed. The bidder is required to indicate prices for each material per unit and, therefore, for the estimated total quantity. This assumes that the estimated quantities are correct, which is not necessarily the case. As a general rule, the rule is that rates represent all activities to be carried out by the contractor and the contract price, they can be entered on the basis of a unit price such as the hourly rate. B, certain items, amount of work, volume, etc. This can be used to agree a contract on the basis of approximate quantities, and then the actual payment, determined by the number of units actually needed. For example, a price per kilometre of highway can be indicated on the basis of an approximate estimate of the distance required, and then the actual payment calculated on the basis of the measurement of the final length of the highway built.
Cost Plus contracts tend to produce better results because the contractor is encouraged to select the best materials and manpower.