Specifications include, but are not limited to: 1A. Contractor shall provide on-call pressure washing, in accordance with the latest proven practices of the pressure washing trade, including but not limited to the furnishing of all necessary personnel, tools, equipment (self-contained mobile cold, hot, and steam pressure washing equipment), materials, supplies and manufactured articles, steam pressure washer, as well as furnishing digital camera, all transportation including fuel, power, water and essential communications. All of the requirements and services listed in 1A through 1G shall collectively be known as "Pressure Washing and Graffiti Removal Services". 1B. All work performed under this Contract will be subject to inspection and approval by the Multnomah County Authorized Representative. 1C. Contractor shall use environmentally preferable products, materials, and technology when economically feasible. Environmentally preferred products and materials have a reduced effect on human health and the environment when compared to other products. Contractor shall provide the proper certification or detailed information for environmentally preferred products. 1D. Contractor shall utilize Pressure Washing Services to clean surfaces including but not limited to: removing stains, gum, grease, mildew, moss, or other unsightly substances. Surfaces include but are not limited to: siding (brick, concrete, wood, etc), structures, bridges, signs, parking lots, parking garages, trash and recycle containers and rooftops without damage to surfaces and structures. 1E. Contractor shall provide graffiti removal on all County owned/leased infrastructures, including but not limited to structures, sidewalks, bridges, signs, parking lots, parking garages, trash and recycle containers without damaging surfaces. Contractor shall determine the most effective method of graffiti removal depending upon the type of graffiti and condition of the surface. Effective graffiti removal shall leave no shadows or ghosts on porous and non-porous surfaces and shall not follow the pattern of the graffiti such that its letters and/or shapes remain apparent on the surface after the graffiti has been removed. Contractor shall provide a digital photo of the surface showing before and after the graffiti has been removed. 1F. Contractor will exercise due caution to avoid damaging the surfaces or structure being cleaned. Surfaces damaged by the Contractor shall be repaired at the Contractor's expense to the satisfaction of the County Authorized Representative. 1G. Contractor shall have the capacity, equipment, and training to safely work above ground level.
