This document outlines the calculation scheme for a contractor to derive a tender price for a construction project. It includes calculations for direct costs like labor, materials, and equipment. Indirect costs like mobilization, facilities, and overheads are also included. The document shows the allocation of costs between the main contractor and subcontractors' work. It indicates contingencies will be included for provisional sums, extension of time, and variation in price, with a total tender price presented that includes taxes but excludes VAT.