Specifications include, but are not limited to: a) Compliance with Contract. Contractor shall collect, transport, and dispose of all residential and commercial refuse and garbage pursuant to the terms, conditions, and limitations provided herein. b) Labor and Equipment. Contractor shall, at its own cost and expense, provide all trucks, machinery, equipment, tools, superintendence, labor insurance, and other accessories necessary to efficiently and properly render such refuse collection, transportation, and disposal services. c) Dumping Site. Contractor shall cause all refuse and garbage collected by Contractor pursuant hereto within City to be disposed of at a State of Texas permitted disposal site. d) Collection 1) Commercial. Contractor shall collect from each commercial unit within the City and dispose of commercial refuse and garbage in accordance with this Agreement. Contractor's collection of commercial refuse and garbage from commercial units, with regard to size and number of dumpsters and frequency of collection, shall occur according to the directive of the commercial customer. Contractor shall provide all dumpsters for use by all commercial units, which dumpsters shall allow commercial refuse and garbage to be contained, tied, or enclosed so that leaking, spilling, or blowing can be prevented. A minimum sized dumpster of two (2) cubic yards shall be provided to each commercial unit/customer. Contractor shall not discontinue service to any commercial customer except pursuant to any notice from the City. 2) Light Commercial. Contractor shall, once or twice each week, collect from each light commercial customer within the City and dispose of commercial refuse and garbage. Contractor shall provide ninety (90) gallon carts for such services. Light Commercial customers can choose one or two cart service. 3) Residential Refuse and Recyclable Materials. The Contractor will collect Residential Refuse and Recyclable Materials from Residential Units once/twice per week; provided, that (a) such Residential Refuse is placed in a Refuse Cart or plastic garbage bag not exceeding fifty (50) pounds in weight, (b) Recyclable Materials are placed in a Recycling Cart, and (c) such Carts and/or bags are placed within five (5) feet of the curbside or right of way adjacent to the Residential Unit no later than 7:00 a.m. on the scheduled collection day.