D.C. Mun. Regs. tit. 8-B, § 3250
3250.1 The two-step sealed bidding method may be used for procurements requiring technical proposals, particularly those for complex items.
3250.2 The two-step sealed bidding method shall be conducted as follows:
(a) The first step consists of solicitation of technical proposals, - evaluation of proposals, and (if necessary) discussion of the proposals; and
(b) The second step involves the submission of sealed priced bids by those who submitted acceptable technical proposals in step one.
3250.3 The contracting officer shall not request, and the bidder shall not submit, price or price information in step one.
3250.4 The contracting officer shall determine the acceptability of the supplies or services offered through clarification and discussion, if necessary, relating to technical proposals.
3250.5 Bids submitted shall be evaluated and awards made in accordance with the provisions of this chapter.
SOURCE: Final Rulemaking published at 39 DCR 2566 (April 10, 1992).