(a) Proposal evaluation is an assessment of the offeror's proposal and ability to perform the prospective contract successfully. You must evaluate proposals solely on the factors and subfactors specified in the solicitation.

(b) You may conduct evaluations using any rating method or combination of methods including color or adjectival ratings, numerical weights, and ordinal rankings. The relative strengths, deficiencies, significant weaknesses, and risks supporting proposal evaluation must be documented in the contract file.