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<br />I ' <br />I <br /> <br /> <br /> <br />.....::..:.=.:::....."::::~ <br />"~ <br />"~i <br />,~ MARI( THOMAS & COMPANY, INC. <br />. Pro't'lding Engineering, Sutveying ana PJonning Sef't'Ices <br />. ..., ..-.~ ,<.~,.~/ <br /> <br />Apri121,2010 <br /> <br />Mi', B.rian Lee <br />City of Redwood city <br />~O1.7 Ml4dl~field Road <br />Red\vQod City) CA 94Q63 <br /> <br />RE: ReDJI'OOD SHORES LAGOON MA.!NTPNANCE BOAT RAMP <br />EXTRA WORI( #1.. PRQPOSAL FOR CIVIL l)ESIGN SERVICES <br /> <br />OFF~CES <br /> <br />CUf~ljino <br />flcsno <br />rlcus<mll)/l <br />SO':f(line nln <br />5(1tinus <br />Son Jo~e <br />Son Mateo <br />Counly <br />Wolnul Cfee~ <br /> <br />Deal'Mr. Lee: <br /> <br />.We are pleased to pl'ovid~ this proposal fPL' desi~1l sel'Vl~~s for th~ above l'eferenced proj~ct. <br /> <br />PROJECT UNDER~TANDING <br /> <br />It is our understanding ~bat the City would like additional services to COllStl1lCt a boat ramp at the end <br />of Davit Lane ~djaoent to Shaimon Park fol' maintenance access to the Redwood Shores ~ast lagoon. <br />Th~ City would like Mark Thomas & Company, Ino. (MTCo) to conduct a field topographical sui.vey, <br />prepare design platl~, speoUicatiotls, and eQgil1eer's estimate (PS&E) for cOllstntcdoll, and provide <br />design support during COllstl1lction. <br /> <br />SCOPE OF PROPOSED CIVIL DESIGN SERVICES <br /> <br />MTCo win p~'ovide Civil Engineerh~g Des~gn Services fo!' the project as follows: <br /> <br />1) T01l9g1'aphlcal $l~~"Vey <br />MTCo will complete a topographic SU1'V~y for the proposed ramp Jocfttion, The sUlvey and <br />mapping ~vill be done ill the California Coordinate System, 1983, and the North Alliel'ican <br />Vertical Datum (NA VD) 1988, Of 8~ dir~Qted by the City. Field surveys will provide: <br /> <br />o Spot elevations throl~ghout site 10catio11 for developing topographic base mapping and <br />fOl' use ill detailed design <br /> <br />. Pole d~ps below water surface for approximate lagoon bottom elevation in vioinity of <br />boat ramp limits <br /> <br />o Existing, visible) utility feat\tres and hwel1s of drftilla~e inlets and manholes <br /> <br />. Existing cmb fines, median islands, and other physical features <br /> <br />618 Walnut Slreet, Suite 20t.l Son Corlo$, CA 94070 <br />,wNI.morklhornos.com ToI: (650) 363.6277 Fax: (6S0) 363.8279 <br />