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EXHIBIT "A" <br /> <br />One Walnut Creek Center, 1 O0 Pringle Avenue, Suite 300 <br /> <br />tel: 9259332900 [', I~J ill ~ <br />fax: 925 933~4174 <br /> <br /> CITY Or ~.. ~",'~UD CiTY <br />August 19, 2003 ENGINEE RING ~, CONSTRUCTION <br /> <br />Mr. Chu Chang <br />Senior Civil Engineer <br />City of Redwood City <br />1017 Middlefield Road <br />Redwood City, CA 94064 <br /> <br />Subject: Revised Proposal for Temporary Pump Station Installation <br /> Redwood Shores Lagoon, City of Redwood City <br /> <br />Dear Chu: <br /> <br />CDM is pleased to submit this proposal for temporary pump station installation at Redwood <br />Shores Lagoon for the City of Redwood City. This proposal includes the Scope of Work to be <br />performed by CDM, Schedule, and Cost Estimate. <br /> <br />Scope of Work <br />The proposed scope of work consists of the following tasks: <br /> <br />Installation of a sandbag barrier wall on the west side outlet of the 4' by 5' box culvert south <br />of Marlin Court to block flow of water through the culvert. The sandbag barrier wall will be <br />5.5' in height. The sandbag barrier wall will not be watertight, but will effectively minimize <br />flow through the box culvert. We did not see the safety grating shown in your drawings <br />during our site visit, and assume the grating will not be reinstalled prior to our work <br />commencing. Please see enclosed location map and cross-section sketch. <br /> <br />Installation of a sandbag barrier wall on the west side outlet of the 4' by 5' box culvert north <br />of Davit Lane to create a temporary pump station. The sandbag barrier wall will be 5.5' in <br />height. The sandbag barrier wall will not be watertight, but will function effectively as a <br />temporary pump station. A temporary construction fence will also be placed around the <br />sides and upper slope of the west side outlet to minimize public access to the temporary <br />pump station. We did not see the safety grating shown in your drawings during our site visit, <br />so we assume the grating will not be reinstalled prior to our work commencing. <br /> <br />Placement of a rented Flygt 10" CS3201.980 submersible pump capable of pumping 5 cfs in <br />the temporary pump station north of Davit Lane and installation of a discharge manifold that <br /> <br />consulting · engineering · construction, operations <br /> <br /> <br />