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CITY OF REDWOOD CITY - - <br />PUBLIC WORKS SERVICES DEPARTMENT <br />Redwood <br />CitCityI California <br />l Founded 1867 <br />March 8, 2016 <br />TO: ALL BIDDERS OF RECORD <br />6.1.E. - Page 34 <br />MUNICIPAL SERVICES CENTER <br />1400 Broadway Street <br />Redwood City, CA 94063 <br />Telephone: (650) 780-7475 <br />Fax: (650) 556-9232 <br />SUBJECT: ADDENDUM 1 <br />NIB — Recycled Water Tank Water Quality Control System <br />To Whom It May Concern: <br />Pursuant to GENERAL PROVISIONS, Paragraph 7, "Interpretation", Page 3, the City of <br />Redwood City is enclosing additional information and changes to the Notice Inviting Bids for the <br />subject project. <br />Please find below additional clarification: <br />1. BID SPECIFICATION <br />a. PAGE 10, Item A.a.: If not all exposed materials are stainless steel, other <br />materials may be proposed provided that the materials and/or parts are compatible <br />with the City's recycled water content (water quality information is provided on <br />page 9 of the NIB). <br />b. PAGE 10, Item A.I.ii: Run and fault lamps instead of on/off indicators are <br />acceptable. <br />c. PAGE 10, Item A.I.vi: If mixer shuts off when water level falls below the impeller, <br />instead of at a specified level, that is acceptable. <br />d. PAGE 10, Item A.m.iv: Is corrected to "Modbus RS -485 or dry contact <br />connections". <br />e. PAGE 11, Item B.I: A flow sensor rather than a flow switch is acceptable. <br />f. PAGE 12, Item D.f.iii: Is corrected to "Modbus TCP/IP or serial RS -485 <br />communication. <br />ADDENDUM 1 1 of 3 <br />2016-2017 RECYCLED WATER TANK WATER QUALITY CONTROL SYSTEM <br />