TECHNICAL SPECIFICATIONS: The Contractor shall be responsible to supply all chemicals, cleaning agents, tools, equipment, supervision, transportation, and all effort necessary to carry out the specifications herein. The project cost is to include all equipment rented and/or owned. The Contractor shall make available to the County the flexibility to clean ducts not only during business hours, but also after hours, and weekends. Contractor must have the capability to use photo documentation via a 35mm or digital camera and a fiber optic borescope when requested by the County. This will allow verification of duct conditions to be photographed both before and after cleaning. The borescope shall be used for manual inspections via a hole drilled into the duct should a department require on-site verification of cleaning. PROJECT WORK AND TIME AND MATERIALS: Project work shall mean work performed on major projects or major duct cleaning. The contractor assigned to this contract shall work with Tom Kundrat Building and Grounds Project Manager directly. The contractor shall provide a detailed scope of work for each project including information relative to the scope of work, project start/finish time line, required materials, cost of labor and materials, which is associated with the cost for each line item defined in the proposal page. Project pricing shall include everything the contractor anticipates is necessary to complete the job (i.e., permits, rental equipment, materials, chemicals, labor, supervision, transportation, subcontractor costs, mobilization costs, demobilization costs, clean up and material removal costs, etc.) Steam may be used as a cleaning method for any equipment part as long as the treatment method does not damage any of the equipment, surfaces or material. Intake screens, intake and exhaust air louvers, registers, supply and return grills, exhaust grills, and fan housing scrolls shall be vacuumed and/or washed using a non-caustic solution. Bristle or wire brushing may be used, but care must be taken not to scratch painted services. It shall be the Contractors responsibility to remove all grillwork for cleaning, and subsequent reinstallation of same. Ducts shall be thoroughly vacuumed: top, bottom, and both sides. Ducts utilizing interior insulation shall be vacuumed and inspected for any physical damage. Damage must be reported to the County in writing. Only HEPA vacuum type units are to be used.
