The awarded Contractor(s) agrees to purchase and remove/recycle all mixed scrap metals offered under this Contract. Contractor shall provide all removal and labor at their own expense, including any transportation and operating costs necessary for the removal and recycling of mixed scrap metal from ordering Commonwealth agencies. a. Notice and Lead-Time: The Contractor shall provide at least one roll-off box per location in which the agency will accumulate and store mixed scrap metal between pickups and removals. The Contractor will receive written notice (via fax or email) when mixed scrap metal is available for removal. Upon notification from an agency, Contractor will schedule the pick-up/removal of the mixed scrap metal container as soon as possible. The Contractor agrees to remove the scrap metal within ten (10) business days or less unless otherwise agreed upon (in writing) with the agency contact person. b. Pick-up and Removal of Mixed Scrap Metal: Upon arriving at the agency location, the Contractor will receive the STD-497 Surplus Property Contract Receipt/Invoice Form; and if the form is incomplete, the Contractor will complete Contractor’s Name and Address, Department Location, Date of Pick-Up, Contract Number, checkbox next to Mixed Scrap Metals and Contractor’s Signature. Contractor will obtain agency contact’s signature and will leave Copies 1 and 2 with the agency contact person. Contractor will retain Copies 3 and 4 of STD-497 Surplus Property Contract Receipt/Invoice Form. The Contractor will remove the roll-off box from the agency location and provide an empty roll-off box in its place. The Contractor will transport the loaded container directly from the agency location to the Contractor’s processing facility. Note: Contractor will immediately advise the Contracting Officer if any delays in any step of the pickup/removal occur. c. Recycling Process: For each removal of mixed scrap metal, Contractor will be required to provide a signed, certified weight ticket. Shipments to scrap metal processing facilities, which are based in Pennsylvania, must be weighed by a licensed Public Weigh Master and accompanied by a Weigh Master’s certificate. The scale must be approved by the Pennsylvania Department of Agriculture, Bureau of Ride and Measurement Standards, Weights & Measures Division, or tested and approved by a Scale Repair Service. Shipments to scrap metal processing facilities based outside of Pennsylvania must be certified and licensed by their respective state agency. The Commonwealth of Pennsylvania reserves the right to have any shipment weighed at an independent weighing station. All costs for verification of weight will be the responsibility of the Contractor. d. Notice to Commonwealth of Pennsylvania: Upon removal of mixed scrap metal, Copy 4 (Gold copy) of the STD-497 Surplus Property Contract Receipt/Invoice Form must be returned to the Department of General Services, Bureau of Supplies and Surplus Operations, State Surplus Property Division, Room G-46, 2221 Forster Street, Harrisburg, PA 17105 with certified weight slip and payment. Copy 3 (Pink Copy) is retained by the Contractor.