Specifications include, but are not limited to: 1. Contractor understands and agrees that this is a requirement contract and that PPS shall have no obligation to the contractor if no goods/services are required. 2. Contractor shall provide a certificate of insurance as specified by PPS. 3. Contractor shall be an authorized dealer/installer for the commercial floor covering products, to include the transitions and all other related products/materials identified herein. 4. Contractor shall be qualified and experienced in furnishing and installing/repairing commercial floor covering products for commercial applications. 5. The Contractor shall be responsible for completely supervising and directing the work under this contract and all subcontractors that may be utilized, using his best skill and attention. Subcontractors who perform work under this contract shall be responsible to the prime Contractor. The Contractor shall be fully responsible for the acts and omissions of his subcontractors and of persons employed by them as he is for the acts and omissions of his own employees; d. Contractor shall remove coatings, including curing compounds, and other substance that are incompatible with flooring adhesives and that contain soap, wax, oil or silicone, by using a terrazzo or concrete grinder, a drum sander,or a polishing machine equipped with a heavy-duty wire brush. PPS will be responsible for the removal of floor wax if necessary