Walsh Construction Company II LLC 6/7/2021

B. The basic seismic system shall consist of the seismic controller, motorized valve actuator model Auma, and DC power supply. The system shall be capable of withstanding severe field conditions such as extreme temperature variation (— 10 degrees Fahrenheit (F) to +150 degrees F), providing local and remote valve control, and reporting valve position via motorized actuator. The system shall continue to operate for at least ten full cycles when outside power sources fail and maintain the ability to control the valve. The seismic system manufacturer shall be responsible for integration of all the seismic system's components. Replace paragraph 2.3, B with the following: , B. Terminal connections shall be provided for connection to SCADA. The following seismic ' equipment parameters will be provided for the SCADA system to monitor and control: 1. Arm/trip status ' 2. Remote arm 3. Valve open/close status (future use) 4. Power supply status 5. Power supply status to actuator VOLUME 1, DIVISION 26 — ELECTRICAL ' SECTION 26 05 33, RACEWAYS AND BOXES Replace paragraph 3.1, C with the following: C. Provide rigid steel conduit for raceways embedded in structural reinforced concrete, ' below floor slabs-on-grade, for exposed installations where subject to damage, for sizes 1.25-inch and larger, and at all locations not otherwise specified. Replace paragraph 3.1, C, 2 with the following: 2. Use PVC-RGS in corrosive locations and hazardous (classified) areas unless otherwise noted. PVC or fiberglass conduit may be used under concrete slabs, where approved by the engineer. VOLUME 2, DIVISION 33 — UTILITIES , SECTION 33 11 10.46, STEEL PIPE, LINED AND COATED $ Replace paragraph 2.4, E, 2 with the following: 2. Provide the following welded joints: Addendum 5 Page 2 1 CITY OF EVERETT • 3200 Cedar Street • Everett, WA 98201 • (425) 257-8800 • Fax (425) 257-8882 111