(a) A copy of each bid or estimate;

(b) If applicable, the documents required to be maintained under section 17798(c) of this chapter;

(c) Identification of the lowest responsible bidder selected by the contractor;

(d) For capital outlay subcontracts, documents showing that the bidder selected by the contractor has obtained a payment bond in an amount not less than one-half the amount of the proposed subcontract; and

(e) Two copies of the proposed subcontract, including a proposed line-item budget which shows the costs of the services to be performed. The budget for a proposed subcontract for renovation and repair shall show the total cost of labor and the total cost of materials.