Approximate Quantities

• This is by far the most accurate and reliable method of providing an approximate estimating and / or costing for a project . 
• This method provides an excellent basis for cost checking durting the detailed design of  a project . 
• THis method of costing a project assists thedeveloper to know not only the total sum of the project but also the sum per item or elements . 
• The sum per item or leelemtns shows from foundations normally called substructures , and structure above ground caled superstructure up to roofing and finishes . 

• Composite price rate items are obtained by combining or grouping bill items . 

- A brickworks item measured in m2 will normally include all incidental labours and finishes in both wall faces . 

-A foor item will include the door frame , architraves , glazing ( if any ) and ironmongery . 

• The priced preliminaries must be examined because of the different approaches adopted by the contractors .