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0Northwest Pre Construction. Project Strategy, <br /> CONSTRUCTION,INC. I Value Estimating. Quality Completion. <br /> March 16,2022 SERIAL LETTER NO. 07 <br /> To: City of Everett Public Works <br /> 3200 Cedar Street <br /> Everett,WA 98201 <br /> Attn: Keith Alewine—Construction Manager <br /> Project: UP-3768 Port of Everett Combined Sewer Main Improvements <br /> Subject: Potentially Contaminated Water / <br /> Dear Mr.Alewine, 2J <br /> Please see the attached proposal for renting a carbon filter to treat any contaminated water that w ay encounter <br /> during our dewatering operation. Under the measurement and payment section for Bid Item#35—Trench <br /> Dewatering only includes the"coordination,preparation,submittal and implementation of the Dewatering Plan <br /> that entails how potentially contaminated water from dewatering operations will be handled and disposed of"not <br /> I that it is to be included in the bid item. <br /> Based on the information provided,our subcontractor Clear Water Services recommends using a carbon filter to <br /> be able to treat any potentially contaminated water onsite. This does not include any free product that may be <br /> encountered. The attached proposal includes mobilization of the carbon filter equipment,two months'rent on <br /> the equipment,labor to install the filter in line with our dewatering system and the carbon media. This does not <br /> include any operations,maintenance and consumables as per Clear Water Services quote which are to be paid on <br /> a T&M basis. Please review the attached proposal and if everything is acceptable,please issue a change order for <br /> the above mentioned work. <br /> Please feel free to contact me if you have any questions or if any additional information is needed. <br /> Sincerely, <br /> Ai:/i..., <br /> Nick Agostino <br /> Project Manager <br /> Northwest Construction,Inc. <br /> nago s tino(a,northwestcons traction.com <br /> (425) 453-8380 <br /> V 425.453.8380 F 425.453.8404 :: 2353 130th Ave NE,Suite 100::Bellevue,WA 98005::www.northwestconstruction.com <br /> CONTRACTORS LICENSE NO.NORTHCI101 NG::EQUAL OPPORTUNITY EMPLOYER <br />