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EXHIBIT A <br />CITY OF SANTA ANA <br />REQUEST FOR PROPOSALS FOR WATER RESOURCES SCADA NETWORK SUPPORT SERVICES <br />SCOPE OF SERVICES <br />INFORMATION TECHNOLOGY ENVIRONMENT <br />The successful firm will have experience and/or knowledge of the components of the Water Division's <br />technical Environment. The Water Division currently operates 12 individual host servers interconnected <br />by way of several network 1 0/1 0011 000 24 port switches. The data servers run Windows Server 2008 <br />R2, Windows Server 2003 and Redhat Linux operating system. This network supports the Water <br />Division's SCADA, Video Server, GIS and file archive systems. <br />Current Water Resources Computer Network (WRCN) Overview <br />At a high level, the main objective behind the current IT network is to provide the Water Division a <br />centralized computing network that provides a high speed processing and storage environment that <br />offers increased storage capacity, performance, robust fault tolerance and flexible storage <br />administration. The WRCN is also very reliable and experiences very little downtime due to failures. <br />The following is the functionality of the current infrastructure: <br />• Ability to use a combination of high -end and lower end storage media <br />Ability to create data replication groups <br />• Ability to present LUNs to individual or multiple hosts including VM hosts, their guests and <br />traditional fiber /Ethernet connected hosts <br />• Alarm notification thresholds <br />• Remote administration <br />• Ability to expand capacity on demand without downtime <br />• Ability to create different RAID level LUNs such as 0, 1, 5 & 6 <br />High block level 110 performance <br />Ability to present LUNs directly to VMs <br />• Ability to send out packet data to remote sites over the radio network for control, status and <br />monitoring. <br />The WRCN is located in the Water Resources SCADA Server Room. It is a temperature controlled <br />environment powered by a Symmetra LX Extended Run Backup universal power supply. Due to the <br />nature of the water system, it is of the utmost importance to maintain system reliability and uptime for <br />all equipment. <br />Equipment Overview <br />Dell Poweredge R910 (3) <br />Deli Poweredge R820 (2) — SCADA Servers (Redhat Linux OS) <br />Dell Poweredge R210 <br />Dell Poweredge 2950 <br />Dell Powervault NF500 <br />Dell Poweredge R610 <br />Dell Poweredge R320 <br />Dell Poweredge 1900 (2) — Legacy SCADA Servers (Redhat Linux OS) <br />Neo Overland Storage 200S Tape Backup Drive <br />RFP 914 -048 —Water Resources SCADA Network Support Services <br />Page 10 <br />25K -11 <br />