Specifications include, but are not limited to: The intent of this Proposal Invitation is to solicit sealed Proposals to establish a contract for various types of Trade Services that may be used by Cooperative members. Because individual members require different equipment, supplies, and/or services this Proposal Invitation is a request for a discount off of catalog or price list for supplies, materials and equipment, an hourly not-to-exceed rate for labor (HVAC, electrical and plumbing), and a request for Proposers to provide Proposer’s Coefficients (as defined in this Proposal Invitation) to be applied to the Unit Price Book (as defined in this Proposal Invitation) for all trade services. Purchases can be made by a Cooperative member at any time during the Contract term. Except as provided in section E.4 of the General Terms and Conditions or otherwise in this Proposal Invitation, Vendor shall hold its Awarded Pricing firm during the Contract term. In the event of price decreases, such price decreases shall be allowed for all products and services.