Common use of Pressure Washing Clause in Contracts

Pressure Washing. A. The Contractor shall submit a plan for approval to the County’s Representative that identifies the maximum water pressure to be used during the pressure washing process. The recommended pressures shall completely account for the specific construction materials and techniques present in each building. B. During pressure-washing operations, no additives shall be used that are known to be harmful to humans, plants or other forms of wildlife. Use of any additive requires the written permission of the County’s Service Coordinator along with submission of Safety Data Sheets (SDS) for each additive. The Contractor shall not conduct cleaning, hosing, or pressure- washing operations that are disruptive to building operations, occupants or visitors. C. The Contractor shall utilize a commercially available heavy-duty biodegradable cleaner/detergent designed for cleaning masonry, wood and metal surfaces in conjunction with the pressure wash. As necessary, the Contractor shall utilize a stiff bristle (non-metal) to help remove xxxx, mildew and grime. After cleaning with detergent or other chemicals, the Contractor shall thoroughly rinse surfaces with clean water. The Contractor shall also rinse other surfaces (except ground) to clear any debris removed from the building or associated hardscape. D. The Contractor shall pressure wash with a cold water pressure spray (3500 psi maximum, dependent upon the building exterior surface or hardscape to be cleaned). The Contractor shall not use the pressure washer in a manner that may damage the brick or mortar, wood, metal, or eave/fascia surfaces. The Contractor shall use a wide flange tip for building services. Pointed tips are not allowed. The Contractor shall keep the tip a minimum of twelve (12) inches away from the surface of the wall or building system and direct the spray at a 45-degree angle onto the wall. The Contractor shall use care to ensure that the pressure washing does not result in dark lines. If proper mildew removal or cleaning is not being achieved, the Contractor may request approval from the County’s Service Coordinator to use an alternate cleaning agent. E. The Contractor shall protect exterior junction boxes, fire horns, and speakers from cleaning material when pressure washing. Cover speakers, boxes, and horns with plastic bags. The Contractor shall not pressure wash within a four