What are the varying stages of construction?
Phases of construction Phase 1. Closure of the building site. Phase 2. Land and foundation. Phase 3. The structure of the construction. Phase 4. Mechanical, Electrical, and Plumbing (MEP) Phase 5. Insulation and waterproofing. Phase 6. Finishes and closures.
What are the effects of variation orders?
There will be an increase of the project cost as the main effect of the occurrence of the variation order. The nature of a variation order can be determined by referring to both the reasons for their occurence and subsequent effects.
What sorts of variation could affect a project?
Types of Variations Change in the quantity of work; Change in the quality of work; Change in the costs for the work to be done; Change on how to do the work, and; Change in the latent condition and risk allocation of the construction project.
What is variation in construction project?
A variation is an alteration in the scope of works in a construction contract that will include substitutions, additions and omissions. They happen for two main reasons: events occur external to the contract, or there are changes in the design, scope or circumstances.
How do you measure variation in construction?
Variations may be valued by: Agreement between the contractor and the client. The cost consultant. A variation quotation prepared by the contractor and accepted by the client. By some other method agreed by the contractor and the client.
What is raw material in construction?
Derived from rocks obtained from nature. Rock can be used directly without treatment or as a raw material to create other materials. The types of stone and its derivatives most used in construction include granite, marble, limestone, slate, sandstone, gravel, lime, plaster, cement, mortar, concrete, sand, glass.
What causes variation in construction?
The results reveal that the most docHub circumstances causing variation orders are financial problems, weather conditions, differing site conditions, changes in design, poor scheduling, lack of coordination, delay in approval, unavailability of equipment, and lack of communication.
What are the effects of variation in a construction projects?
Increase in project cost: is regarded as the most common effect of variations [18]. Any alteration or addition is the design during execution of the project may results in demolition or rework of any project component and eventually increase the project cost [4].
What does varies in construction mean?
A variation (sometimes referred to as a change) is an alteration to the scope of work originally specified in the contract, whether by way of an addition, omission, or substitution to the works, or through a change to the manner in which the works are to be carried out.
What are the causes of variations in construction projects?
The results reveal that the most docHub circumstances causing variation orders are financial problems, weather conditions, differing site conditions, changes in design, poor scheduling, lack of coordination, delay in approval, unavailability of equipment, and lack of communication.
