KIMLEY-HORN AND ASSOCIATES, INC. (6)

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On~'G-al' ` t Resource- Engi�eennig.; & rv--_Ce5Q Our capabilities within the Scope of Services for which our team is qualified to perform include the following: PUannina Resou��es�n" U��:K�n � � Civil Engineering ~`VEng^nee~ng Kimm|ey-Hornosnnnee1aUyourdvi{onOin�ehngandnoodvvavdesign needs. Since 19@7. ^ Kimley-Horn engineers have designed more than 4,000 miles of roadway, including highways, highway interchanQee, urban artorim|s, and neighborhood streets. These projects —performed for state departments of transportation, cities, and counties —have included route/corridor studies, schematic design, maintenance oftraffic p|ana, construction sequencing, and final p|ams, specifiomUona, and estimates (p5&E).Our in-house staff isequipped toaddress all aspects ofroadway design projects, including pavement rehabilitation, roadway realignment and widening, |ntaraectiongeometrios, utility re|mna1ions, drainage, s1ormw'eterpo||ution prevention p|ans, and erosion control. Also, K|nn|ey-Horn's team has provided municipal agencies with design services for their public facilities such as parks, parking lots, parking structures, libraries, senior and community centers. We have gained extensive experience in dealing with local regulatory and other agencies to secure the permits and approvals necessary for the building and upgrading nfmunicipal facilities. �� a��~��1��~��es ��& ----� Services Waterimprovement Design and Coord/n-atOur water resources engineering team has successfully completed water infrastructure projects for various agencies in Southern California. These projects nnnsistofxYoterrnain rep|omament, rea|ignment, upeizing and capacity increase, master planning, siphon design, existing system evaluation and maintenance and operational support. ° Drinking Water. Kimley-Horn has provided advanced water treatment systems for safe drinking water supply. Services include reverse osmmaia, membrane softening systems, vve|lfied development, permitting of membrane concentrate waste d|apnoa[ master pumping stations, metering stations, and water storage facilities. ~ Reclaimed Water. Effluent disposal and reuse is perhaps the niggest challenge facing municipalities today. Kimley-Horn has helped local water agencies navigate the planning, design, and construction of an entire reclamation system. With increasingly stringent nagu|ed|one on effluent quality and the increased pressure on our water supply, effluent disposal and reuse is an issue that has become central to our efforts in serving wastewater utilities. Our team is well acquainted with the issues of effluent disposal and reuse and the necessary reclaimed water systems to provide these functions. " Well Rehabilitation []mn(gn. Aonmbinatioo of three factors can cause water production decline. The first factor is regional decline in vvobsr elevations that shift the "static" vxmher level down. The second factor is water level decline in a local aquifer caused by continuous pumping, The third factor is a decline in specific capacity caused by a plugged filter pack or well screen. The regional decline in water levels is not controllable and groundwater levels will recover through natural recharge. The reduction in specific capacity requires corrective action in the form of root cause evaluation, well redevelopment, and possibly modification to pump location and flow rate. The decline in specific capacity could be a result of a reduction of permeability near the well screen. This type of permeability reduction is often the result of biological fouling, cementation, or the intrusion of fine- grained aquifer sand into the gravel pack surrounding the well casing, Well videos could confirm this. Migration of fine-grained aquifer sand is a possible root cause of the rapid decline in specific k]Dlbe/)uO[O 7 '