After the hearing processes required in § 9-648 or § 9-649 of this subtitle are complete, a sanitary district may begin construction on a project that has been approved under either of those sections. The sanitary commission shall follow the bid solicitation procedure of this section for any construction work on the project, unless the cost will be $5,000 or less. The sanitary commission may solicit bids for all or part of the project for which bids are sought. Whenever the sanitary commission solicits bids under this section for construction contracts, the sanitary commission shall advertise the solicitation in each member county in at least 1 newspaper of general circulation in the county. In addition to the advertising required by subsection (d) of this section, the sanitary commission may advertise the solicitation in other newspapers or technical journals. If the sanitary commission awards a contract in response to bids received under this section, the sanitary commission shall award the contract to the lowest responsible bidder. If the sanitary commission determines that the prices quoted in any bid are unreasonable or unbalanced, it may reject the bid. If the sanitary commission rejects all the bids, the sanitary commission may: Readvertise; or Do the project or any part of it with its own temporary or permanent employees. The sanitary commission may include in the contract additional conditions and requirements for: Performance bonds; Penalties; and Liquidated damages.