Section 6909A - Lifecycle costing analysis(a) In the case of small and large public works contracts awarded under § 6961, § 6962 or § 6965 of this title, the contracting agency shall require the project architect or project engineer to perform lifecycle costing analysis on equipment, systems, materiel and design elements for public works projects when said equipment, systems, materiel and design elements have the potential to reduce operating, maintenance or energy costs over the useful life of the public works project. On the basis of said analysis, the project architect or the project engineer shall incorporate in the public works contract specifications the equipment, systems, materiel, and design elements for the public works project that have the lowest total cost of ownership and operation over the useful life of the public works project. The use of lifecycle costing analysis may be waived by the agency head, in writing, if any of said equipment, systems, materiel or design elements are not appropriate for lifecycle costing analysis.(b) In the case of contracts awarded under §§ 6922, 6923, 6924, 6925, 6933, 6934 and 6938 of this title, the contracting agency shall perform lifecycle costing analysis on equipment that has the potential to reduce operating, maintenance or energy costs over the useful life of the equipment. On the basis of said analysis, the contracting agency shall incorporate specifications in the contract for equipment that has the lowest total cost of ownership and operation over the useful life of the equipment. The use of lifecycle costing analysis may be waived by the agency head, in writing, if the equipment is not appropriate for lifecycle costing analysis. In the case of central contracts, and public works contracts awarded by the Office, only the Director may waive the use of lifecycle costing analysis. 74 Del. Laws, c. 419, § 4; 75 Del. Laws, c. 88, § 16(5).;