Specifications include, but are not limited to: 4.1 Statement/Specifications/Scope of Work 4.1.1 Replacement of existing heating and cooling system at campus library. 4.1.2 Specifications/Scope of Work See page 3, Advertisement for Proposal for download location of the drawings and other documentation/information describing the project and the scope of work which the Offeror should review when drafting its proposal. 4.2 The District reserves the right to make separate awards to more than one (1) Offeror for each separate portion and/or unit of the project if such separate awards would, in the sole determination of the District, constitute the best value for the District. 4.3 Offeror must complete and return ALL the applicable documents included in the bid/contract portion and the set of project documents. Failure to do so may result in Offeror's proposal being rejected in whole or in part. 4.4 Alternate/Substitutes. Alternate/Substitute Offers must be submitted in writing to Purchasing Services nine (9) consecutive days prior to closing date. Dates noted on Advertisement for Proposal.