SIEMENS BUILDING TECHNOLOGIES (2) - 2009

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Exhibit A City of Santa Ana Scope of Work Phase II Siemens Building Technologies, Inc. This proposal assumes strengthening of the existing roof structure will not be re- quired. Strengthening of the roof structural members, if required, is considered an additional service along with any costs incurred for approval. • Contractor is not responsible for repair of any damaged structural members caused by water, termites or any other unknown damage to existing members. 1.1.4. Controls Upgrades Total price for this portion of the Work is $98,229 City Facilities • City Hall- Ross Annex • Corporate Yard • Transportation Center Scope of Work: City Hall - Ross Annex • The building currently has three (3) Trane rooftop package units • Sub-contract to Trane for installing Intellipak into each rooftop unit • Provide conduit & wire connecting the three rooftop units to a Building Control Unit (BCU) panel furnished by Trane • Mount BCU panel for communication to the Rooftop units • BCU to be mounted on roof in weather-proof enclosure • Mount a Mechanical Equipment Controller (MEC) in weather-proof enclosure next to BCU and nipple conduit and wire for communications • Run communication line & Floor Level Network (FLN) from MEC on roof down to ground floor Terminal Equipment Controller (TEC). • Use FLN line from TEC to workstation in City hall as a pull string to install new Area Level Network (ALN) communication line Corporate Yard • There are 3 package units on the roof of the Fleet Building • Provide TEC control & new t stats for each unit. • Run communication line from units to existing TEC in electric room # 217 • TEC is connected to warehouse control system Transportation Center • There are 76 standalone package fan coil units in the building • Some of the units are on time clocks, the balance have no control • Provide start/stop/status of each fan coil unit • Control of unit to be at the beaker panels