D.C. Mun. Regs. tit. 27, r. 27-4717
Every procurement by the Department shall be conducted in accordance with competitive contracting procedures, suitable to the specific procurement, that produce reasonable value and reasonable results. The following procurement methods shall be utilized for the delivery methods indicated, except as provided in sections 4718 and 4719, and sections 4722 through 4724.
Generally, the Department shall utilize competitive sealed bidding for design-bid-build procurements, unless use of competitive sealed bidding would not be practicable or would not be advantageous to the District. In such a case, competitive sealed proposals shall be utilized to procure construction management at-risk services.
In general, when drawings are not fully completed and coordinated, use of competitive sealed bidding shall not be advantageous to the District. In such cases, competitive sealed proposals shall be used to procure construction management services unless another delivery method is more appropriate.
Generally, competitive sealed proposals shall be used for design-build, design-build-operate-maintain, and design-build-finance-operate-maintain.
Architect and Engineering services, unless procured pursuant to section 4722 of this chapter shall be procured in accordance with section 604 of the PPRA.
For all other contracts exceeding one hundred thousand dollars ($100,000), the preferred procurement procedure shall be competitive sealed bidding unless competitive sealed bidding is not practicable or in the best interests of the District. If competitive sealed bidding is not practicable or advantageous to the District, competitive sealed proposals may be used.
The contracting procedures the Department may utilize includes, but is not limited to, the procedures described in sections 4718 through 4724.
The Contracting Officer may cancel a solicitation if it is determined in writing that such action is in the best interest of the District.
D.C. Mun. Regs. tit. 27, r. 27-4717