Specifications include, but are not limited to: The Washington State Department of Enterprise Services (Enterprise Services) is issuing this Competitive Solicitation pursuant to Section 3019 of the FAST Act (Pub. L. No. 114-94) and RCW chapter 39.26. Pursuant to this Competitive Solicitation, Enterprise Services intends to conduct a competitive procurement and establish and award a Master Contract, for eligible purchasers to purchase Heavy Duty Transit Buses (“Transit Buses”). This Master Contracts is considered a State Cooperative Purchasing Schedule under the FAST Act for use of federal funds. This Competitive Solicitation is for newly built transit buses used for fixed route and commuter service. Heavy Duty Transit Buses purchased under this Competitive Solicitation will be 30 foot, 35 foot, 40 foot, 45 foot, and 60 foot articulated available with diesel power, hybrid drive, compressed natural gas (“CNG”), Hydrogen Fuel Cell, and electric propulsion systems. This Competitive Solicitation is further divided into categories based on the table in section 2.1. This Competitive Solicitation and all relevant categories for Transit Buses include the services, accessories, equipment, parts, pieces, consulting, training, etc. required for operation of the buses for their operational life. This Competitive Solicitation is part of the Washington State Transit Bus Cooperative. The resulting Master Contract will be available for use by all eligible purchasers at their option, including any approved Participant of the Washington State Transit Bus Cooperative. These Participants can include purchasers from any state under section 3019 of the FAST Act through this Master Contract as a State Cooperative Purchasing Schedule. Many of these Participants will be purchasing with FTA funds for Transit Buses. This competitive Solicitation is one of multiple Competitive Solicitations for eligible purchasers to procure heavy duty, medium duty, light duty, double decker, and rebuilt transit buses; accessories; replacement components; replacement subsystems; replacement parts; and obtain services for refurbishing and repowering transit buses through the Washington State Transit Bus Cooperative.