RAINWATERHARVESTING SYSTEMDESIGNGUIDE COMPLETEGUIDETORAINWATERHARVESTINGSYSTEMS
aboutus RainwaterManagementSolutionsisanindustry-leading professionalservicesfirm,specializinginturn-keysolutionsfor rainwaterandstormwatermanagement. 60+ RMShasmorethan60yearsofcombinedexperience YEARS intherainwater&stormwaterreuseindustry RMSprovidescompleterainwaterharvestingsystemsandsolutionsforresidential, commercial,industrial,andagriculturalprojects.thefirm providesprofessionaldesignand consultingservicestoitsclients,whichincludedevelopment,engineering,andarchitectural firmsseekingspecializedrainwaterandstormwatermanagementsystem designcapabilities. Completedesignsupportthroughthefolowing: -Sizingthetank,filtrationequipment,pumpsandotherintegralcomponents -Ensuringsystem integrationandcomponentcompatibility -2D and3d AutoCAD drawingsavailable -FeasibilityStudies -Specificationsforyourspecificsystem oreasilyadaptablespecificationsalowingyouto finalizeyourowndesign -Retrofitstocreatefunctioning,eficientrainwaterharvestingsystems RMSalsooferscompleteStart-upandTrainingSupportforitsrainwaterharvestingsystems RMSdesignsandbuildscustom purificationskids,pumpskids,andcontrols from inception. todesign. toproduction CONTACTUS: TOLL-FREE:1-866-653-8337 1 RAINWATERHARVESTING
wisy4-stepsystem Aftermorethan20yearsintherainwaterindustry,RainwaterManagementSolutionshas identifiedthewisy4-stepsystem astheidealmethodforrainwaterharvesting.thismethod providesthebestpre-tankfiltrationbywayofthewisyvortexfilter,whichisregarded internationalyasthebestpre-filtrationmethod.pre-filtrationreducestheamountofdebrisin thetank,promotesahealthytankenvironment,andreducessystem maintenance.rmsisthe exclusivenorthamericandistributorofthewisyproductline. Theschematicbelow isatypicalbelow-groundinstalationusingthewisy4-stepsystem for rainwaterharvesting. FROM ROOF COLLECTION 1 GRADE AIR VENT TOADDITIONAL FILTRATION OVERFLOW STORM OVERFLOW 3 4 typicalbelow-ground instalation 2 1.PRE-TANKFILTRATION -lowmaintenancefilter -removesrooftopdebris -protectstankwaterquality -instalaboveorbelowground -filtercapacityupto33,000ft 2 2.SMOOTHINGINLET -preventstankstiring -oxygenatesthewater -protectstankwaterquality 3.FLOATING -sitsbelowwatersurface -takesinthecleanestwater 4.OVERFLOWDEVICE -skimsfloatingparticles -protectstankwaterquality Folowingtheseeasyfourstepsensuresminimalparticulateinthewater,whichmakes down-stream filtrationmethodsmoreefectiveandminimizesfrequencyofmaintenance 2
pre-tankfiltration Wefirmlybelievethatproperpre-tankfiltrationis necessaryinordertohavethehighestqualitywater foryourrainwaterharvestingapplication.reducing theamountofdebristhatentersthetankcreates thehealthiestwaterconditionsinthetank,reduces theamountofharmfulpathogensaswelaswater discoloration,prolongsthelifeofequipment,and reducestheamountofmaintenancethatneedsto bedonepost-tank. WISYfiltersdrasticalyreducetheamountofsedimentthatentersthetankby drawingwaterthroughafinestainless-steelmeshintoaseparatechamberafter firstflushhasbeenachieved.debriswilremainontheothersideofthemesh, washingawaytostorm drain. efficiency% EfficiencyRatioandPerformanceChart 1,600FT 2 2,100FT 2 2,100FT 2 5,500FT 2 33,000FT 2 WISYfiltersarehighlyeficientwhensized corectly,withthefiltersending95% ofthe watertothestoragetankinmost applications.filtersshouldbesizedbased onroofareatomaximizeeficiencybyusing thechartbelow.whenroofareaexceeds thatofawisyfilter,morefilterscanbe added.mostfilterscanbeinstaledboth aboveorbelow ground. 3 RAINWATERHARVESTING gpm PRE-TANK MAXROOFAREA MESHSIZE DIMENSIONS PIPESIZE DOWNSPOUT LineAr100 WFF100 VORTEX WFF150 VORTEX WFF300 VORTEX 280microns (0.011 ) 280microns (0.011 ) 280microns (0.011 ) 280microns (0.011 ) 380microns (0.015 ) ED TOTANK 4¾ LENGTH 4¾ WIDTH 13⅞ HEIGHT 18¾ LENGTH 6 WIDTH 12½ HEIGHT 12⅜ LENGTH 12⅜ WIDTH 19 HEIGHT 12⅜ LENGTH 12⅜ WIDTH 28⅜ HEIGHT 28 LENGTH 28 WIDTH 40 HEIGHT INCOMING RAINWATER 2 6 6 12 8 12 EXTENSIONTUBE(S)CANBEADDEDTOWFF100,WFF150,WFF300TOBRINGTOGRADE VORTEX SEPARATES DEBRIS DEBRISTOSTORM INLETTO CLEANOUTLET STORM OUTLET INLETTO CLEANOUTLET STORM OUTLET INLETTO CLEANOUTLET STORM OUTLET INLETTO CLEANOUTLET STORM OUTLET INLETTO CLEANOUTLET STORM OUTLET
storageoptions RMSworkswithleadingtankprovidersacrossthecountrytoensurethatthe tankwilmeettheproject srequirements.avarietyofstoragetanksareavailable inaboveandbelow-groundapplicationswithmaterialsofconstructionincluding: -Metal(corugatedandsmoothwal) -Fiberglass -Polyethylene -HDPEPipe -Modulartanks Inaddition,RMScanmanufacturetanksforcustom applicationswhere dimensionsandatypicalfittingsmaybeafactor. tanksizing Weutilizetanksizingsoftwaretoidentifythe appropriatelysizedtanktoensuretheproperamount ofstorage,alow forsystem overflow topromotewater quality,andreducecostswhenpossible. Wehaveextensiveexperienceindesigning rainwaterharvestingsystemsforavarietyof waterre-useapplicationssuchas: -toiletflushing -coolingtowermake-up -vehiclewashing -irigation -firesuppression -laundry -processwater -pool/pondfiling applicationdesign 4
5 RAINWATERHARVESTING system designs FROM CATCHMENT AREA TOOVERFLOW/ STORM WFF300VORTEX/ WITHEXTENSIONTUBE LEVEL SENSOR RAINWATER INLET SMOOTHING INLET FLOATING N/OFLOATSWITCHFOR PUMPPROTECTION SUBMERSIBLEPUMP INCOOLINGJACKET OVERFLOWDEVICE OUTTOSTORM FILTRATIONSKIDWITHDOMESTIC BACK-UPANDPRESSURETANK TOEND USE FROM CATCHMENT AREA TOOVERFLOW/ STORM WFF300VORTEX/ WITHEXTENSIONTUBE LEVEL SENSOR RAINWATER INLET SMOOTHING INLET FLOATING N/OFLOATSWITCHFOR PUMPPROTECTION SUBMERSIBLEPUMP INCOOLINGJACKET OVERFLOW DEVICE OUTTOSTORM FILTRATIONSKID (optionaldomesticonskid) DOMESTICBACK-UP (optionaldomesticonskid) DAYTANK (withfloats) BOOSTERPUMPSKID WITHPRESSURETANK TOEND USE Alsystem designsshowncanbeusedinaboveandbelowgroundapplications.schematicsbelow areadaptable/customizabletomeetprojectneedsandspecifications. submersiblepumpwithfiltrationskidtoenduse submersiblepumpwithfiltrationskidtodaytank
6 Alsystem designsshowncanbeusedinaboveandbelowgroundapplications.schematicsbelow areadaptable/customizabletomeetprojectneedsandspecifications. FROM CATCHMENT AREA TOOVERFLOW/ STORM WFF300VORTEX LEVEL SENSOR RAINWATER INLET SMOOTHING INLET FLOATING N/OFLOATSWITCHFOR PUMPPROTECTION BOOSTERPUMP OVERFLOWDEVICE OUTTOSTORM FILTRATIONSKIDWITH DOMESTICBACK-UP DAYTANK (withfloats) BOOSTERPUMPSKID WITHPRESSURETANK TOEND USE DOMESTICBACK-UP (optionaldomesticonskid) FROM CATCHMENT AREA TOOVERFLOW/ STORM WFF300VORTEX LEVEL SENSOR RAINWATER INLET SMOOTHING INLET FLOATING N/OFLOATSWITCHFOR PUMPPROTECTION OVERFLOW DEVICE OUTTOSTORM FILTRATIONSKID (optionaldomesticonskid) DOMESTICBACK-UP (optionaldomesticonskid) PRESSURE TANK BOOSTERPUMPSKID TOEND USE boosterpumpwithfiltrationskidtoenduse boosterpumpwithfiltrationtodaytank
pumpingsystems Whileprojectapplicationsandrequirementscan vary,wehaveasolutionforyourpumpingneeds: -booster/jet -submersible -recirculation -centrifugal Wehavepumpstomeetawidevarietyof horsepower,flow,pressure/tdh,andvoltage demandsforyourprojectrequirements.rmsalso buildscustom,manufacturer-approvedcooling jacketstohouselargepumpsandmotors. VFD Wehavepartneredwithanindustry-leadertodevelopavariablefrequency drivespecificalyforrainwaterharvestingapplications.acustom macrointhe VFD reduceson-sitestart-uptomerelysettingthedesiredpressure. boosterpumpskids Inadditiontostandardtransferpumpsthatprovidewatertoadaytankortoend use,rmscanprovideboosterpumpskidswhenthedesiredflow orpressure needstobeincreased.boosterpumpskidsarealsoanidealsolutionfor flooded-suctionapplications. Usingthematrix,createapartnumberforaboosterpumpskidby specifyingnumberofpumps,flow rate,totaldynamichead,voltage,and phase.wewilthensizethecorectpumpsystem basedondataprovided. BP2-150 -250-230 - 3 NUMBER OFPUMPS 1 2 FLOW (GPM) TDH (Ft) VOLTAGE (filin) (filin) 115 208 230 460 PHASE PIPE PLUMBING 7 RAINWATERHARVESTING 1 3 BACK-UP
standardfiltrationpackages Aftermorethan20yearsintheRainwaterHarvestingindustry,we haveidentifiedthekeycomponentsandthemostefective methodologyforfilteringanddisinfectingrainwaterforre-use. BASISOFDESIGN 7 4 3 1 2 5 6 cistern filtrationskid daytank pumpskid 8
standardfiltrationpackages 25GPM PACKAGEDETAILS 60 RAINWATERINLET:1 FLANGE DOMESTICINLET:1 FLANGE SYSTEM OUTLET:1 FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:55mJ/cm 2 MAXPRESSURE:125PSI 50GPM PACKAGEDETAILS RAINWATERINLET:1-1/2 FLANGE DOMESTICINLET:1-1/2 FLANGE SYSTEM OUTLET:1-1/2 FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:50mJ/cm 2 MAXPRESSURE:125PSI 75GPM PACKAGEDETAILS RAINWATERINLET:2 FLANGE DOMESTICINLET:2 FLANGE SYSTEM OUTLET:2 FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:35mJ/cm 2 MAXPRESSURE:125PSI 100GPM PACKAGEDETAILS RAINWATERINLET:2 FLANGE DOMESTICINLET:2 FLANGE SYSTEM OUTLET:2 FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:45mJ/cm 2 MAXPRESSURE:125PSI 9 RAINWATERHARVESTING
96 42 125GPM PACKAGEDETAILS RAINWATERINLET:3 FLANGE DOMESTICINLET:3 FLANGE SYSTEM OUTLET:3 FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:35mJ/cm 2 MAXPRESSURE:125PSI 96 42 150GPM PACKAGEDETAILS RAINWATERINLET:3 FLANGE DOMESTICINLET:3 FLANGE SYSTEM OUTLET:3 FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:37mJ/cm 2 MAXPRESSURE:125PSI 175GPM PACKAGEDETAILS 120 8 60 RAINWATERINLET:3 FLANGE DOMESTICINLET:3 FLANGE SYSTEM OUTLET:3 FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:33mJ/cm 2 MAXPRESSURE:125PSI 200GPM PACKAGEDETAILS 120 8 60 RAINWATERINLET:FLANGE DOMESTICINLET:FLANGE SYSTEM OUTLET:FLANGE DRAIN LINE:1 FLANGE BACKWASH :50MICRON SEDIMENT:5MICRON UVDOSAGE:43mJ/cm 2 MAXPRESSURE:125PSI 10
11 Wehavedevelopedseveral add-on skidstoaccompanythestandardfiltration packages.theseskidsincludecomponentsthatareoftenassociatedwith rainwaterharvestingsystemsandwehavechosenthemorecommonsizes. Skidsaredesignedtobejoinedwithexistingfiltrationskids.RMScanalsoofer custom solutionsshouldtheskidsbelow notmeetsystem designrequirements. RAINWATERHARVESTING add-onskids RMS-PT-14 14Galons 2 28 1 RMS-PT-32 32Galons 2 3 1-1/ RMS-PT-62 62Galons 2 5 1-1/ RMS-PT-85 85Galons 51 1-1/ RMS-PT-19 19Galons 66 1-1/ CAPACITY LENGTH DEPTH HEIGHT PIPESIZE pressuretanks Pressuretankstobeskid-mountedandincludeappropriatelysizedtanktee. Maximum pressuretobe125psig.tankswithhigherpressureratingsareavailableupon request. RMS-DT-500 500Galons 56 56 79 RMS-DT-1000 1000Galons 86 RMS-DT-1550 1550Galons 95 95 93 CAPACITY LENGTH DEPTH HEIGHT Daytankstobeskid-mountedandincludeeyeboltsfortie-downs.Tie-downsby others. daytanks RMS-IT-15 15Galons 2 36 15-Volt RMS-IT-35 35Galons 2 4 15-Volt RMS-IT-55 55Galons 2 4 15-Volt CAPACITY LENGTH DEPTH HEIGHT POWERREQ. injectionsystems Injectiontanksystemscanbeusedtoinjectchlorineordyeintosystemsasneeded. Injectionpointmustbeatahigherpipingelevationthantheinjectionpump.System flow ratesandpressuremustbeknownwhenspecifyinganinjectionsystem.system includestank&pump.chlorine&dyesuppliesnotprovidedbyrms.
samplespecification RMShasfuly-writtenspecificationsforourstandardfiltrationpackagesandcan alsoassistinwritingspecificationsforrainwaterharvestingandstormwater managementsystems.below isasampleofthespecificationofafiltration packageprovidedbyrms. 1.1GeneralInformation A.Specificationsfortherainwaterharvestingsystem arebasedonrainwatermanagement Solution sintegratedsystem withanintendedscopetoprovidesolesourceaccountability.this sectiondescribesthetechnicalspecificationsandgeneralinstructionsforfurnishing,factorytesting, handling,deliveryandinstalationofwatertransfer,storagedistribution,treatmentequipmentand componentsrelatedtoarainwaterharvestingsystem. Fulsystem specificationsareavailablevia/requestspec/ design-a-skid Ifyoursystem requiresadiferentdesignthananyofthestandardfiltration packages,calustodaytofindthecustom solutionorusetheproductmatrix below tobuildyourown.flowrateandatleastoneform offiltrationarerequired. Webuildandplumbcustom skidsinourmanufacturingfacility.ourskidsare plumbedineithercopperpress(standard),stainless-steelpress,orsch.80pvc. 75G- 25SC -5S -1S - C -UV3 - CL -BU FLOW RATE (GPM) 15 25 35 50 75 100 125 150 175 200 SELF- CLEANING* (MICRONRATING) BLANK=NO 25 50 80 100 *SELF-CLEANING OPTIONAL REDUCESMANUAL MAINTENANCE SEDIMENT (MICRONRATING) BLANK=NO 1 5 10 25 5050 70 SEDIMENT * (MICRONRATING) BLANK=NO 1 5 10 25 5050 70 *SECONDSEDIMENT OPTIONAL CARBON (IMPLEMENTATION) BLANK=NO C=CARBON UVLIGHT* (UVDOSAGE) UV1=USPUBLICHEALTH (16mJ/cm 2 ) UV2=30mJ/cm 2 UV3=NSF/EPA (40mJ/cm 2 ) *HIGHERDOSAGES AVAILABLEASNEEDED PIPE PLUMBING (MATERIAL) CL=COPPERTYPEL CK=COPPERTYPEK SS=STAINLESSSTEEL P80=PVCSCH.80 BACK-UP (DOMESTIC) BLANK=NOBACK-UP BU=BACK-UPONSKID NOTE:MostsystemsinvolvingaUVlightrequirewatertobefilteredtoa minimum levelof5micronspriortotheuvlightinordertobeefectivein sterilizingthepathogensinthewater.rmsrecommendscarbonfiltrationin additiontosedimentfiltrationtoensurethebestwaterqualityforyourenduse. 12
filtrationoptions Inadditiontopre-plumbedfiltrationskids,wecanoferfiltrationand disinfectioncomponentsseparately.sedimentfiltration,carbonfiltration,and ultravioletlightareourmostcommonmethodsoffiltrationanddisinfection. Findouthow wecanprovideasolutiontoyourwaterfiltrationneeds! sedimentfiltration Sedimentfiltrationisusedtoremoveparticulatefrom therainwaterlinethatmaycary pathogensanddecreasewaterclarity.sedimentfiltrationisusualythefirststepto post-tanktreatmentofwater.usethematrixbelow toselectasedimentfilterhousing. BF -50-25 - 2-3 TYPEOF SC=SELF-CLEANING BF=BAG CTF=CARTRDIGE FLOW (GPM) MICRON RATING (filin) 1 5 10 25 50 75 100 CONNECTION SIZE 1 1-1/2 2 3 CONNECTION TYPE MP=MNPT FP=FNPT F=FLANGED carbonfiltration Carbonfiltrationreducesdiscoloration,odorandvolatileorganiccompounds.Carbon filtersareespecialyhelpfulingreenroofapplications.usethematrixbelow toselecta carbonfilterhousing. 50-2 - MNPT - T FLOW (GPM) CONNECTION SIZE(in.) (filin) 1.5 2(standard) CONNECTION TYPE MNPT=MALEPIPE(STANDARD) FNPT=FEMALEPIPE F=FLANGE MOUNTING L=LEGS T=TABS ultravioletlights Ultravioletlightsareusedtosterilizeanypathogensandpreventreproduction,making rainwatersafeforre-use.usethematrixbelow toselectanultravioletlight. 50-16 FLOW (GPM) UVDOSAGE(mJ/cm 2 ) (filin) 16=USPublicHealth 30 40=NSF/EPA 13 RAINWATERHARVESTING
25% 2,500 GAL controls RMSoferscustom rainwaterharvestingcontrolersthatarebuilt,programmed,andtestedin ourul508apanelshop. RMShasdevelopedtwotouch-screenProgrammableLogic Controlersfortherainwaterharvestingindustry: -RMSSeries200Controler:10.screen -RMSSeries200MiniControler:5.7 screen ThesePLCsarethe brains behindourmoreadvanced rainwaterharvestingsystems,monitoringdigitaland analoginputstocontroloutputsordisplayinformation pertainingtothesystem.controlerscanintegratewith buildingautomationsystems,alowingforremote monitoringoftherainwatersystem.inaddition,wehave developedseveralbasiccontrolerstooperateandmonitor systems. RMScan alsoprovidesingle-pointconnectionpower distributionpanelstominimalizetheamountofon-site high-voltagewiringthatmustbedoneforaproject. RMSSERIES200CONTROLLER Ourcontrolsengineeringanddesignteam wilworkwithyoutoprovidethecustom solution thatyouneedforyourrainwaterharvestingsystem. sensors&valves RMShasestablishedrelationshipswithleadingmanufacturerstoensurecompleteyetflexible productintegrationinourrainwaterharvestingsystems.wecanoferful-system integration duetoourin-housedesignandmanufacturingcapabilities. Componentsoferedinclude(butarenotlimitedto): -flowmeters:ultrasonicandpaddlewheel -levelsensors:ultrasonicandpneumatic -motorizedvalves:bal,butterfly,modulating,3-way -pressurediferentialtransmitters -ph sensors -oxygensensors WecanintegratethesecomponentsforcontrolandmonitoringthroughourRMSSeries200, RMSSeries200MiniControlers,andothercontrolsplatforms. 14
2019RainwaterManagementSolutions,Inc. Nopartofthispublicationmaybereproducedinanyform orbyany meanswithoutthepriorwritenpermissionofthepublisher. V1.001-19 phone:1-866-653-8337or540-375-6750 FrontCoverImageofRoyal ReclaimedWaterFlushometercourtesyofSloanValveCompanyandisusedwithpermission.