Specifications include, but are not limited to: Pruning Tree less than 6" Diameter - DBH, Right-of-Way City of Lincoln, Lancaster County, Nebraska and LincolnLancaster County Public Building Commission hereinafter called “Owners” to retain qualified contractors for Tree Pruning and Removal Services. Tree services may involve one or any combination of the following: 2.5.1 Tree pruning; 2.5.2 Tree removal; and 2.5.3 Stump removal. 2.6 These services shall be performed for the Owners requiring such services, under the direction and supervision of the Owners or their Designee. 2.7 The estimated total amount of work for all departments/agencies for the Owners for the term of the contracts is an approximate amount only and the Owners do not guarantee any dollar amount or order quantity for the term of the contract