Superficial Floor Area Method
Storey enclosure method is a single rate method estimating this method has largely unused in practice.
Superficial floor area method. Unit is meaningful to all parties most cost data is published in m2 estimates are quickly. The superficial floor area also known as the square metre method of estimating is one of the quickest methods of calculating the cost of a building construction project. It is the first estimate that will be prepared by a quantity surveyor when initial sketch drawings are produced by the architect. Superficial area method is the most popular preliminary estimating method.
This method is an approximate cost obtained by using an estimated price for each unit of gross floor area. Total estimated cost 852 x 1 106 942 312 5 superficial method 2 advantages. 4 superficial method 1 cost per square metre of floor area. This study examined the three most common techniques used in preparing preliminary estimates in nigeria namely the floor area or superficial method the cubic method and the storey enclosure method.
It measures the area of external walls floors and roof areas effectively enclosing the building and multiplying them by an appropriate weighting factor. Used at stage a brief and stage b outline proposal example. It is the first estimate that will be prepared by a quantity surveyor when initial sketch drawings are produced by the architect. The new rules of measurement nrm are published by the royal institute of chartered surveyors rics.
Floor area method of estimating facilities costs is frequently used in building and residential home construction. They provide a standard set of measurement rules for estimating cost planning procurement and whole life costing for construction projects. Project of 852 m2 cost per m2 1 106. In this early planning and design.
Cost per m2 of gross internal floor area designing buildings wiki share your construction industry knowledge. Sloping surfaces such as staircases and terraces are measured flat on plan. When compared to the unit and superficial area method the elemental estimate or elemental method of estimating is a more detailed method of calculating the cost of a construction project this estimate is easily understood by the client or any party involved in the design consultation because it shows separate elements of the building that have to be priced. The superficial floor area also known as the square metre method of estimating is one of the quickest methods of calculating the cost of a building construction project.
Superficial floor area method once sketch designs with floor areas are available the estimator can measure the internal gross floor area of the building and multiply the same by the construction cost per m2.