48 CFR § 52.236-28 - Preparation of Proposals - Construction.
As prescribed in 36.520, insert the following provision:
(a) Proposals must be (1) submitted on the forms furnished by the Government or on copies of those forms, and (2) manually signed. The person signing a proposal must initial each erasure or change appearing on any proposal form.
(b) The proposal form may require offerors to submit proposed prices for one or more items on various bases, including -
(1) Lump sum price;
(2) Alternate prices;
(3) Units of construction; or
(4) Any combination of paragraphs (b)(1) through (b)(3) of this provision.
(c) If the solicitation requires submission of a proposal on all items, failure to do so may result in the proposal being rejected without further consideration. If a proposal on all items is not required, offerors should insert the words “no proposal” in the space provided for any item on which no price is submitted.
(d) Alternate proposals will not be considered unless this solicitation authorizes their submission.