Agmt18 R.F. MacDonald Co. - Laserfiche WebLink

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EXHIBIT A 1. Scone of Work/ Tasks Contractor will perform scheduled annual preventive maintenance, full testing, and replacement/repair services on boiler equipment listed below in the City facilities listed below in accordance with the services described below within three years of the Effective Date. Facility Address Equipment Model Serial Manufacturer Number Police Facility 1301 Maple Rite 200 23165 City Hall 1017 Middlefield Laars PH1200EN C97AO0789 Main Library 1044 Middlefield Laars PNCH1750NACL2CXN C09216819 Red Morton 1120 Roosevelt Ajax WGN-850 46947 Community Center Public Works Services 1400 Broadway Rite 10555 24781 (MSC) Redwood Shores 399 Marine Camus DFNH 1102 110705969 Library Parkway • Open, clean and vacuum fireside of boiler with City's power equipment, clean furnace, and wire brush tube sheet (when applicable/accessible). • Open and clean low water cut-off assemblies. Flush and reseal waterside (when applicable/accessible). • Vacuum breeching in immediate vicinity of boiler, where applicable. • Inspect refractory, point up and wash coat all refractory (when applicable/accessible). • Seal and close fireside of boiler. • Install new gaskets. • Remove and inspect main bumer (if applicable/accessible) and gas pilot assembly, and adjust ignition electrode if required. • Reinstall main burner (if applicable) and gas pilot assembly in accordance with recommended specification and tolerance. • Check flame failure safeguard control for pilot and main flame ignition. • Check operation of blower motor and control circuitry. • Check operation and adjust all linkages, belts and pulleys in accordance with factory specifications. • Check operation of gas valves and vent valves, including all gas train components. • Check operation of all boiler -operating controls, limit pressuretrols and running interlocks. • Check operation of low water controls on hot water closed systems. Draw down water column and check low water controls and/or feed water pump control on steam systems. • Check burner and check pilot and main flame ignition system. • Check and calibrate each boiler/bumer for optimum air/fuel mixture for natural gas, and fine-tune and adjust firing to its maximum efficiency level throughout entire modulation range. Analyze flue gas and monitor temperature, 02, CO2, CO and excess air (worn control, metering, linkage or affiliated equipment replacements, if required, is not included but will be made available at 15% discount on parts). REV: 03.12-18 MI Page 6 of 8 ATTY/AGR.2018.050/R. F. MacDonald Co.