Specifications include, but are not limited to: 2.1.1 Arlington Echo, has a 5000-gallon holding tank and grease trap. AACPS estimates 1000-1200 gallons of sewerage will be generated from the school site each day, excluding weekends and holidays. This figure is an estimate only, based on the previous six-month data. 2.1.2 Waterford Bus Lot, has two tanks on site. The first tank is a 5,000-gallon holding tank and averages 2500 to 3000 gallons from the main tank. The second tank is 500 gallons and averages 400 gallons from the maintenance shed, every 10-15 days. This figure is an estimate only, based on the previous six-month data. 2.1.3 Fleet Garage, has one 6000 gallon tank this is serviced on average every 14-21 days. 2.1.4 Alternate AACPS sites may need pumping during the term of this contract. The price per gallon shall be assessed on an as needed, as requested basis. 2.1.5 Firms with large truck capacities may space pumping and hauling schedules accordingly, but at no time may the holding tank exceed ¾ full. 2.1.6 Contractor shall respond to emergency pump-out requests within four hours of telephone or fax notification from AACPS.