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Exhibit A L <br /> FY <br /> b. For the sanitary sewer, storm, and combined utilities, measure rim elevations and invert <br /> elevations and invert pipe sizes and type. On survey mapping, connect the underground <br /> pipes to their associated manholes or catch basins. <br /> c. For BNSF railroad tracks, locate top of rail using reflector-less survey methods. <br /> d. Map to the waterline of the Snohomish River. <br /> 6. Integrate, to the extent feasible, external river bathymetry data into the project base map. <br /> MAPPING LIMITS <br /> .1,;-.1- <br /> {r (3�... __ ..r <br /> -® -- .y� ,� wz <br /> . as <br /> LLfoilfti <br /> 14 E .. e'er.. - ,I c.ia'O <br /> ® • F y' , ,rY U1,OUZ <br /> a.. a5 +r oak r F <br /> I s: <br /> f• <br /> ' .i I <br /> teir o r6 ,, <br /> s Ir r il r: <br /> • L' � •t , f t �.' et - I 1 .e C� I, t P3 <br /> ' <br /> -r V ) <br /> Client Responsibilities <br /> 1. Provide right-of-entry for the private property parcel proposed for stormwater treatment. <br /> Assumptions <br /> 1. Survey work will be performed by David Evans Associates (DEA). <br /> 2. Datum will be Washington State Plane Coordinate System 83/11. <br /> 3. Vertical North American Vertical Datum of 1988 (NAVD 88) (US Survey Feet). <br /> 4. Civil 3D mapping will be prepared in accordance with City of Everett CAD standards, <br /> including layer naming convention and properties. <br /> 5. For the sanitary sewer, storm, and combined utilities, DEA will measure rim elevations and <br /> invert elevations and invert pipe sizes and type. <br /> Lexington Avenue Storm Drainage Improvements Preliminary Design Scope of Services <br /> 6 <br />