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<br /> of the analysis to modify the project grading to provide surface storage capacity at acceptable depths which
<br /> eliminated the City's need to upgrade the existing downstream storm drain system.
<br /> RBF and its team members are using EPA's SWMM program for a wide variety of unique and complex drainage
<br /> projects for hydrology, hydraulics, flood routing, storm drain sizing, floodplain mapping, and coupled 1- and 2-
<br /> dimensional modeling including:
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<br /> ¦ Southern California Logistic Airport (SCLA) Drainage Master Plan (Victorville) - Backbone storm drain system
<br /> design, SWMM hydrodynamic models were used to minimize pipe sizes for this high desert area with flashy,
<br /> short-duration storm events. The results of the analysis were compared with a separate WSPG analysis and
<br /> design, and saved the City over $2,000,000 in storm drain improvements (approximately 25-30% savings).
<br /> ¦ City of Anaheim Floodplain Revisions - RBF is using SWMM in conjunction with HEC-RAS to prepare updated
<br /> floodplain mapping for a unique channel overflow situation in the city. SWMM is being used as a coupled
<br /> 1D/2D model to analyze overflow to this existing urban area from a regional flood control channel which was
<br /> modeled using HEC-RAS. Detailed 2D modeling of the overflow flood hydrograph using the existing storm
<br /> drain system and surface flow resulted in the removal of over 50 structures for the current effective
<br /> floodplain.
<br /> ¦ Oak Glen Storm Water Detention Basin (Yucaipa) - Complicated regional flood control basin included one
<br /> flow-through and two flow-by storage areas connected via culverts and overflow weir sections. SWMM was
<br /> used to effectively model the complex hydraulics to better define the basin performance and determine the
<br /> flood attenuation provided by the basin. The results of the flood routing analysis were used to update
<br /> regional hydrology prepared using the local methodology.
<br /> ¦ Naval Training Center / Liberty Station Redevelopment (San Diego / Point Loma) - SWMM model used for
<br /> preparation of hydrology and hydraulic modeling for master plan development. The project is located on
<br /> Mission Bay, and the SWMM analysis reviewed various tidal elevations and the impacts on the system
<br /> performance.
<br /> ¦ Master Drainage Plans for the Cities of Buena Park, Anaheim, Brisbane, Thermalito, Fort Ord
<br /> redevelopment, and Lathrop - SWMM model was used for preparation of hydrology and hydraulic modeling
<br /> and pump station and storm drain facility sizing in support of numerous storm drain master plan projects
<br /> throughout California.
<br /> City of Santa Ana and Agency Experience
<br /> RBF has extensive experience in the planning, design, and.
<br /> CITY of SANTA ANA
<br /> construction of numerous large public works projects with PUBLIC W?71(, A6ENCT M-06
<br /> Federal, State, local, and regulatory agencies. Few consulting
<br /> firms can match our range of experience, and clients draw I.I. kllfl ^K.=t-
<br /> 0-W C.."" Public Wiika
<br /> from our insight to ensure change and build the business and S1,1 WFCA227,2'
<br /> technology systems required to effectively and efficiently offer SUBJECT. Reference Letter for Uw On-C&# Regulatory &M- wllbin fie City of
<br /> Sent Ana
<br /> the services citizens demand and deserve.
<br /> AE u cp RHF C W Re3i b 'nro 4n Rf31-s Rexparemy
<br /> RBF has an excellent working relationship with the City of s°'^ 'F1 Pn4 yPuv ga t ataa ma¢ra~
<br /> prolKts wrtnm W City tf S-t, A- i e Gf tiri brwlge W , t '4- it. .--t. Am It-, ,I
<br /> Santa Ana and has worked on several projects over the years.
<br /> The letter of reference to the right illustrates the commitment f„°f ^g5 Fk A s iRr~> I F^,Iytwa,
<br /> VaeW. YCU m Xx!]. RPF' uryw C w k z. ucMd sla. + anU fc^Nral tlcl <aUrin o" lna C.eex.5
<br /> 4m.15 C dJgrCa. d5W m .L. Gt¢-dP{irGa4}n <UN`J3 C+'1 Hli rGe'AM ag¢M.Wa N^U,V,rm:t
<br /> our staff has provided on past projects. As the City Prx g p.: y s^=r, a .nlxl wt.Penn.,,e~ ReF.,al
<br /> v.e n •I^'•afying ,nuxro^c sq!~an. , -1 rrenagn,m¢nt Prar;bcor. and ink <Y mmmnzatro^. :n
<br /> contemplates a potential engineering consultant to partner
<br /> with on this important project, M-1, RBF anticipates it will carefully
<br /> RRFF - r'idnJ 1 . APF am'atn.kwas Per orn etl cn Gme fY¢ id ~ .1 original Cs,et. I kxsa 1-1d 1drtl w re Wyin~ng RBF t~-tl.ey for Rag.Ya;ory $enx:es e9.. pn~n rn ew
<br /> consider the qualifications of the outstanding, experienced xariul„r~ r ill^, ,a,.l=• s ^ren,t t.,A, rm,e,a^In-ann,.y
<br /> wx.ea yo,taaro any gGex`innc
<br /> and knowledgeable personnel that we have ready to commit
<br /> to provide the critical engineering support desired for the
<br /> Storm Drain Master Plan. Li PE
<br /> S¢rt
<br /> o1 .1 F-1 Erryree.
<br /> Gry $anlA Ana
<br /> P0. Wc45 Agen-y
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