Article 1.3. Award Of Contracts of California Public Contract Code >> Division 2. >> Part 3. >> Chapter 1. >> Article 1.3.
A local agency may require a bid for a public works
contract to include prices for items that may be added to, or
deducted from, the scope of work in the contract for which the bid is
being submitted. Whenever additive or deductive items are included
in a bid, the bid solicitation shall specify which one of the
following methods will be used to determine the lowest bid. In the
absence of a specification, only the method provided by subdivision
(a) will be used:
(a) The lowest bid shall be the lowest bid price on the base
contract without consideration of the prices on the additive or
(b) The lowest bid shall be the lowest total of the bid prices on
the base contract and those additive or deductive items that were
specifically identified in the bid solicitation as being used for the
purpose of determining the lowest bid price.
(c) The lowest bid shall be the lowest total of the bid prices on
the base contract and those additive or deductive items that when
taken in order from a specifically identified list of those items in
the solicitation, and added to, or subtracted from, the base
contract, are less than, or equal to, a funding amount publicly
disclosed by the local agency before the first bid is opened.
(d) The lowest bid shall be determined in a manner that prevents
any information that would identify any of the bidders or proposed
subcontractors or suppliers from being revealed to the public entity
before the ranking of all bidders from lowest to highest has been
A responsible bidder who submitted the lowest bid as determined by
this section shall be awarded the contract, if it is awarded. This
section does not preclude the local agency from adding to or
deducting from the contract any of the additive or deductive items
after the lowest responsible bidder has been determined.
(e) Nothing in this section shall preclude the prequalification of