"Certified estimate of cost", a good-faith estimate based on the best available information and made by the most senior official in the agency responsible for the contract, accounting for all expenses which could be reasonably foreseen including, but not limited to, those involving design, construction, management, acquisition and disposition of rights of way and contingency costs.
"Cost-plus basis", a form of compensation in which a premium is added to the actual cost of service to determine a total amount to be paid.
"Major contract", a contract by which the commonwealth or any of its public agencies is to procure the construction of a highway, railway, bridge, tunnel or aviation facility or any component thereof and for which the certified estimate of cost exceeds $50,000,000.
"Oversight cost estimate", an estimate developed by the commonwealth or any agency thereof, prior to the engagement of an owner's representative, of the anticipated total cost of the services of that representative.
"Owner's representative", an individual registered by the commonwealth as a professional engineer, who has not less than 5 years of experience in the construction and supervision of construction of the type which is the subject of the pertinent major contract in nature, scope and complexity. "Owner's representative" shall mean an individual registered by the commonwealth as a professional engineer, who has not less than five years of experience in the construction and supervision of construction of the type which is the subject of the pertinent major contract in nature, scope and complexity.
Mass. Gen. Laws ch. 149A, § 15 1/2