Questions Due Date: Oct 19th 2022, 5:00 PM EDT The Department of Public Utilities (DPU) Division of Sewerage and Drainage (DOSD) has identified numerous deteriorated roofs on its facilities that require replacement. Professional engineering services are needed for the design of the various roof replacements, assistance during the bidding process and also for technical services during construction. This work for DOSD is part of the City's continuing program to upgrade its treatment facilities, provide efficient, reliable, cost-effective operations, and enhance personnel safety. This contract will provide engineering services necessary for the planning, design and replacement of multiple roof systems. This will be a task order contract. Typical project tasks for projects shall include : site investigations, inspections and evaluations of existing conditions; technical report writing; review of past roof surveys, preparation of new surveys, if required; preparation of engineering or architectural drawings, documents/drawings for permit approval; specifications; bid documents and assistance during bidding; technical project representation during construction; preparation of record plan drawings for projects and preparation of M&O Manuals. The Offeror must have experienced personnel and equipment for performing this work. The design of the roofs at different facilities will vary as to the type of roofing systems specified, and may include items such as structural repairs, drainage systems, asbestos surveys & abatement, relocation of rooftop equipment, installation or removal of roof hatches, skylights and other equipment, building lightning protection systems and installation of walkways and ladder systems. Roofing systems will typically consist of various components such as insulation, vapor barriers, base sheets, intermediate sheets, cap sheets and flashings. The type of systems used at the different facilities vary and the Offeror shall demonstrate knowledge of various roofing types such as, but not limited to Built-Up Roof (BUR) membranes, metal panel or standing seam roof systems for low-slope applications, metal panel roof systems for sloped applications, polymer - modified bitumen sheet membranes, single-ply membranes (thermoplastic such as PVC and thermoset such as EPDM) and spray polyurethane foam-based roofing systems. The City of Columbus is seeking an Environmentally Preferable Offeror, who will assist the City by providing services that will have a lesser or reduced adverse effect on human health and the environment. These Services are required for all DOSD facilities. DOSD operates and manages the Southwesterly Compost Facility (Compost), Sewer and Maintenance Operations Center (SMOC), sewage and stormwater collection systems, and two Wastewater Treatment Plants: Jackson Pike (JPWWTP) and Southerly (SWWTP). This will be a one year contract, with an option for the City to renew annually for an additional two years. Adjustments to fees and scope will be made by contract renewal based on annual (or semiannual) proposals or as requested by the City. The duration of the contract may extend into subsequent years based on the complexity and progress of the assigned work. Projects may be added or deleted and other projects may be designated by the City for inclusion in the Program scope, depending on the City's need. The method of Contractor Selection has not been determined at this time.