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ERI Consulting, Inc. <br /> <br /> 2.2.1.7.5 Machine maintenance shall be performed by protected <br /> individuals (as per 2.2.1.7.1). <br /> <br /> 2.2.1.8 A sufficient supply of disposable mops, rags and sponges <br /> for work area decontamination shall be available. <br /> <br /> 2.2.2 Removal <br /> <br /> 2.2.2.1 A sufficient supply of scaffolds, ladders, lifts and hand <br /> tools (e.g. scrapers, wire cutters, nylon brushes, utility <br /> knives, wire saws, etc.) shall be provided as needed. <br /> <br /> 2.2.2.2 Sprayers with pumps capable of provided 500 pounds per square <br /> inch (psi) at the nozzle tip at the flow rate of 2 gallons per <br /> minute for spraying amended water. <br /> <br /> 2.2.2.3 Rubber shovels, dustpans and rubber squeegees shall be <br /> provided for cleanup. <br /> <br /> 2.2.2.4 Brushes utilized for removing loose asbestos containing <br /> material shall have nylon or fiber bristles, not metal. <br /> <br /> 2.2.2.5 A sufficient supply of HEPA filtered vacuum systems shall be <br /> available during cleanup. <br /> <br /> 2.2.3 Encapsulation <br /> <br /> 2.2.3.1 Encapsulants shall be sprayed using airless spray equipment. <br /> Nozzle pressure should be adjustable within the 400 to 1500 <br /> psi range. (Follow manufacturer's recommendations). <br /> <br /> 2.2.3.2 The nature of the encapsulant may effect the requirements for <br /> respiratory protection. Vapors that may be given off during <br /> encapsulant application must be taken into account when <br /> selection respirators, if tyl~es other air supplied are used. <br /> <br /> 2.2.4 Enclosure <br /> <br /> 2.2.4.1 Hand tools equipped with HEPA filtered local exhaust <br /> ventilation shall be utilized during the installation of <br /> enclosures and supports if there is any need to disturb <br /> asbestos containing materials during this process. As an <br /> alternative asbestos material may be partially removed <br /> following proper removal procedures prior to the installation <br /> of supports and enclosures. <br /> <br /> 2.3 Substitutions <br /> <br /> 2.3.1 Approval Required: <br /> <br /> 2.3.1.1 The Contract is based on the materials, equipment and methods <br /> described in the Contract Documents. <br /> <br /> 2.3.1.2 The Owner's Representative will consider proposals for <br /> substitutions of materials, equipment and methods only when <br /> such proposals are accompanied by full and complete technical <br /> <br />-- 4/xs/03 55 <br /> <br /> <br />