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18 '' <br /> i\LAS(D'B R I E N 10202 5th Avenue NE, Suite 300 I Seattle,WA 98125 1 (p) 206.547.1940 <br /> EXHIBIT A <br /> March 28, 2017 Salas O'Brien Project Number: 170414 <br /> Mr. Dean Shaughnessy <br /> Project Coordinator <br /> Department of Parks and Recreation <br /> City of Everett <br /> 802 E Mu.kilteo Blvd. <br /> Everett, WA 98203 <br /> Re: City of Everett Parks Department Swim Center <br /> Electrical Systems Upgrade and Arc Flash Breaker Coordination Study <br /> Engineering Fee Proposal—Revision A <br /> Dear Dean, <br /> We appreciate the opportunity to be of service to you for the Electrical Systems Upgrade and <br /> Arc Flash Breaker Coordination Study project at the Swim Center. <br /> SCOPE OF WORK: <br /> The existing swim center is provided with a single 277/480V, 3P, 4W, 400A service entrance <br /> from three (3) 50kVA (150kVA total) pole mounted utility transformers that feeds the 400A main <br /> breaker in Panel 4SP located in natatorium mechanical room. There are two (2) 125A/3P <br /> breakers in panel 4SP - one of them feeds MCC1 and MCC2 and the other one feeds panel L <br /> via 75kVA stepdown transformer and a 200A/3P separately mounted breaker. MCC1, MCC2, <br /> 75kVA transformer, separately mounted breaker for panel L and panel L are also located in <br /> natatorium mechanical room. A 30A/3P breaker in panel 4SP feeds the lights in natatorium via a <br /> lighting contactor, and a 90A/3P breaker in panel 4SP feeds panel 4P located in SPA <br /> mechanical room. <br /> Due to the age of the panelboards, disconnects, transformers and associated wiring, the City of <br /> Everett would like to upgrade and replace the existing electrical system in the swim center. The <br /> City of Everett would like to also upgrade the lighting system in natatorium with new LED <br /> fixtures. Our scope of work will include : • <br /> TASK 1 — Electrical Systems Upgrade <br /> • Provide a new service entrance rated 400A/3P main disconnect. <br /> • Replace panel 4SP and L in natatorium mechanical room. <br /> • Replace MCC1 and MCC2 in natatorium mechanical room with a new <br /> panelboard and provide six (6) new motor starters. <br /> • Replace panel 4P, M and 15kVA transformer in SPA mechanical room. <br /> • Replace light fixtures in natatorium. <br /> • Replace lighting contactors with new lighting control panels. <br /> • Provide new wiring for transferred and new circuits. <br /> • Consolidate existing circuits in new panels to maximize existing space. <br /> 16 4 I expect a difference I <br />