For cities with an annual construction area of over one million square meters, the supervision fee shall be charged at 0.2% of the construction and installation workload of the entrusted project. For cities and counties with an annual construction area of over 300,000 square meters and an enviable area of1000,000 square meters, the supervision fee will be charged at three thousandths of the construction and installation workload of the entrusted project. Cities and counties with an annual construction area of less than 300,000 square meters will be charged a supervision fee of 0.3% of the construction and installation workload of the entrusted project.
Material cost = ∑ (Gaozhou material consumption × material base price)+inspection and test fee.
Base price of materials = {(supply price+transportation and miscellaneous fees) ×[ 1+ transportation loss rate (%)]}×[ 1+ purchasing and storage rate (%)]
Inspection and test fee = ∑ (inspection and test fee per unit material quantity × material consumption)
The charging standards for quality inspection and testing of construction projects include material fees, water and electricity fuel fees, equipment verification depreciation maintenance fees, laboratory maintenance fees, labor wages, management fees, personnel training fees, office expenses, taxes and other items (excluding import and export fees for heavy equipment).