Specifications include, but are not limited to: The work under this Contract shall consist of the items contained in the Proposal, including all the supervision, vehicles, labor, materials, tools, equipment, and all other items necessary to complete said work in accordance with the Contract documents. 2.1 FREQUENCY OF SERVICE The Frequency of Service shall be determined by City at the time of the execution of the Contract. City may make periodic changes to the Frequency of Service during the fall and winter for the benefit of the City’s leaf pickup program. The City may request a change in the schedule within seven (7) day advance notice to the Contractor. 2.2 EXISTING STREETS CURB MILEAGE The Contractor shall have sixty days (60) from the execution of this Contract to provide estimated curb miles table of the streets shown in the map provided. The Contractor shall provide GPS files, per 5.4 GLOBAL POSITIONING SYSTEM (GPS) TRACKING, to corroborate its estimated curb miles table. 2.3 NEW CITY STREETS New streets may be added by the Director of Public Works or their designated representative during the term of this Contract. Such streets shall be added to the street sweeping schedule upon receipt of notice of the streets to be added by the Contractor and approval. New street miles will be added to the Contractors estimated curb miles table and adjusted to the payment schedule at the applicable curb mile rate.