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<br />J <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />-J <br />) <br />) <br />) <br />C- J <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />) <br />I <br /> <br />-1 <br /> <br />l -- '=l!~{!~J~ <br /> <br />CITY OF SUNNY ISLES BEACH HYDROGEOLOGICAL SERVICES <br /> <br />LOCATION: <br />Sunny Isles Beach, Florida <br /> <br />CLIENT: <br />Calvin, Giordano & Associates, Inc. <br /> <br />KEY PERSONNEL: <br />Daniel Spector <br />Vincent Yarina <br /> <br /> <br />1 <br />, <br />- <br />"',-" -. Ii <br /> <br />", <br />" <br /> <br />~U!i{J!. '.51.1~1E TOf'OC~..:\t,lp k<R~")NJ,l n.J~FI(l",'''''''' <br /> <br />Langan provided hydrogeological services in support of an <br />upgrade to the City's right-of-way stormwater drainage plan to <br />alleviate street flooding during rain events in a 1 OO-acre portion <br />of the city. Langan's scope of work included supervising three <br />150-ft test holes; evaluating geology and water quality (total <br />_dissoll/ed_s91l9j)); and JJerforming~pecific capacity tests in <br />potential production zones. Langan provided areasonable <br />assurance report that met the requirements of Chapter 62-528, <br />Florida Administrative Code, as part of the permit package for <br />the new stormwater drainage wells. Langan also provided a <br />report documenting specific capacities in the project area, which <br />the city's engineer incorporated into the drainage design. <br /> <br />Langan determined that the geological and total dissolved solids <br />data provided reasonable assurance that properly constructed <br />production wells cased to 55 ft bls should minimize the potential <br />for discharged stormwater to migrate vertically and affect a <br />Class G-II aquifer system or surface water body or to cause <br />mounding at the surface. <br /> <br />The specific capacity test consisted of pumping groundwater, <br />and monitoring the flow rate, the drawdown, and the elapsed <br />time. Langan recommended design capacity rates ranging from <br />400 gallons per minute per foot of head (gpm/ft) to 700 gpm/ft. <br /> <br />."..ft~~.,..~.I:I... <br /> <br />~.~~- <br /> <br />:'J~1"t~. <br />tol.lHifMT <br /> <br />1: I, <br />.y &.....0 !~I o:t:,J.,t....\lAflER. _/IM'..d'i V <br />'~: .'!..~l~~..!... _ _ _ _ _ ~_ ._ _ _ _ __ _ _ . ~~- <br /> <br />.. <br /> <br />~. <br /> <br />J <br />J; <br />1) <br /> <br />.. ~I",,,,\,, ;, <br /> <br />;. ,,'....''-''''} <br />ii t:WftL.\ <br /> <br />_ .i <br />;j'StOlAr'.".. <br />!! <br /> <br />'" 11 <br />'I <br /> <br />'. '....'I"".."V.....'............................."'.. <br /> <br />I. u........t~.,..~t...~...,...._"'..... <br /> <br />.. ... .-.....'-:.I.....""'(...............~~,~ <br />.....J,I.."i'o.;.cv>,(n.:......,-c"'_~.....Ct...,...., <br />u..""....,.........'..""'.."...........:r.cn.f...... <br />l--:'AJKt'.o'(-:'l.;>kl..U_t:--t-<;l. <br /> <br />., j; .. ~z:.~':::,,~~"::~~~~~"" ,"'" <br />Ii <br /> <br />Page 2114 <br />