Contents Irrigation Plans 5-1 Standard Items Required on Irrigation Plans 5-1 General 5-2 Valves and Sprinklers 5-2 Controllers and Backflow Preventers 5-2 Backflow Preventers 5-2 Gate Valves and Ball Valves 5-2 Booster Pump Systems Irrigation Design 5-2 Questions the Designer Should Ask Themselves 5-3 A Review of the DON’TS of Good Design 5-3 Irrigation Legend Options 5-3 Option 1 5-3 Option 2 5-3 Irrigation Notes 5-3 Existing Irrigation Facilities 5-4 Standard CADD Irrigation Symbols 5-4 Cells 5-4 Levels 5-4 Cell Line Weights for Standard Irrigation Symbols 5-4 Cell Text Weights for Standard Irrigation Abbreviations 5-4 Instructions for Using EXISTING and PROPOSED Irrigation Symbols 5-4 Standard Irrigation Symbols/ Irrigation Legend 5-7 Remote Irrigation Control System (RICS) 5-13 Valve Codes 5-13 Non-Standard Irrigation Symbols / Irrigation Legend 5-14 Valve Code for RICS 5-14 Approved Non-Standard Valve Code 5-15 Irrigation Symbols Sheet w/Cadd Cell Names 5-17 Irrigation Control Wire Conduit Sizing Charts 5-17 Irrigation Facilities to be Installed “On Bridge” Or “In Bridge” 5-17 Highway Planting Projects 5-17 Highway Construction Projects 5-18 Irrigation Notes 5-18 Irrigation Notes That Should Not Be Shown On Plans 5-18 Acceptable Pipe Sizing Chart 5-18 Unacceptable Pipe Sizing Chart 5-19 Irrigation Restoration Projects 5-21 Irrigation Plan w/CADD Information 5 Landscape Architecture PS & E Guide SECTION 5 Irrigation Plans Revised January 2008
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Landscape Architecture General PS & E Guide · Irrigation Plans 5-2 Caltrans Landscape Architecture PS & E Guide The condition of existing irrigation crossovers must be evaluated
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Irrigation Plans 5-1Caltrans Landscape Architecture PS & E Guide
Contents
Irrigation Plans5-1 Standard Items Required on Irrigation Plans5-1 General 5-2 Valves and Sprinklers 5-2 Controllers and Backflow Preventers 5-2 Backflow Preventers 5-2 Gate Valves and Ball Valves 5-2 Booster Pump Systems
Irrigation Design5-2 Questions the Designer Should Ask Themselves5-3 A Review of the DON’TS of Good Design5-3 Irrigation Legend Options 5-3 Option 1 5-3 Option 25-3 Irrigation Notes5-3 Existing Irrigation Facilities5-4 Standard CADD Irrigation Symbols 5-4 Cells 5-4 Levels 5-4 Cell Line Weights for Standard
Irrigation Symbols 5-4 Cell Text Weights for Standard Irrigation
Abbreviations 5-4 Instructions for Using EXISTING and
PROPOSED Irrigation Symbols5-4 Standard Irrigation Symbols/ Irrigation Legend 5-7 Remote Irrigation Control System (RICS)5-13 Valve Codes5-13 Non-Standard Irrigation Symbols / Irrigation Legend5-14 Valve Code for RICS5-14 Approved Non-Standard Valve Code5-15 Irrigation Symbols Sheet w/Cadd Cell Names5-17 Irrigation Control Wire Conduit Sizing Charts5-17 Irrigation Facilities to be Installed “On Bridge”
Or “In Bridge” 5-17 Highway Planting Projects 5-17 Highway Construction Projects5-18 Irrigation Notes5-18 Irrigation Notes That Should Not Be Shown On Plans5-18 Acceptable Pipe Sizing Chart5-18 Unacceptable Pipe Sizing Chart5-19 Irrigation Restoration Projects5-21 Irrigation Plan w/CADD Information
5
Landscape Architecture PS & E GuideSECTION 5
Irrigation Plans
Revised January 2008
Irrigation Plans 5-1Caltrans Landscape Architecture PS & E Guide
Irrigation Plans
Standard Items Required on Irrigation Plans•StandardNorthArrow.•CU“00000”EA“000001”(lowerrightcorner)
Gate Valves and Ball ValvesGatevalvesaretobeusedtodividelargeirrigationsystemsintosmallersectionssowhenthereisamalfunctionthebadsectionmaybeisolatedtokeeptheremainingsectionsfunctional.Gatevalvesaregenerallyinstalledoneachsideofirrigationcrossovers.
Irrigation NotesIrrigationnotesmustbeshownonthefirstsheetoftheirrigationplans. OR IfthereisnotenoughroomfortheirrigationnotesonthefirstsheetoftheirrigationplansanotemustbeaddedtothefirstpagetodirecttheContractortowheretheirrigationnotesarelocatedintheplans,i.e.,SeesheetSD-1forIrrigationNotes.
Existing Irrigation FacilitiesStandardsymbolsanditemdescriptionsforexistingirrigationfacilitiesarestoredelectronicallyintheCaltransCellLibrary.Theidenticalsizeandlineweightmustbeusedandshownontheplans.Existingirrigationsymbolsarecomposedofdashedlines.Thesesymbolswerehanddrawnandnotcreatedbyuseofastandarddashedline.UsethesymbolsintheCaltransCellLibrarytogetanaccuratesymbol. OR BaseplansmaybefrompreviousprojectplansbyusingthedropoutprocesswhetherornotthesymbolsmatchthoseshownintheStandardPlans.PlaceaLegendontheplans. OR IftheplansareCADDdrawn,thesymbolsforexistingfacilitiesshouldbedashedsymbolsasindicatedinStandardPlanH2.
Irrigation Plans 5-4Caltrans Landscape Architecture PS & E Guide
Standard CADD Irrigation SymbolsStandardsymbolsanditemdescriptions(includingabbreviations)shownontheStandardPlans“PlantingandIrrigationSymbols,”sheetH2andthestandardsprinklersymbolsdiscussedlaterinthissection,shallbeusedforIrrigationPlans.
Cell Text Weights for Standard Irrigation AbbreviationsAbbreviationsshallbeplacedonlevel5forexistingandonlevel50forproposed.UseFont=1,Text=1.8,Weight=1.
Instructions for Using EXISTING and PROPOSED Irrigation SymbolsTheinstructionsunderthe“ITEMDESCRIPTION”aregivenfor‘PROPOSED’and‘EXISTING’irrigationsymbols.Thesizesof‘EXISTING’irrigationitemsshouldbeshownonlywheretheContractorneedsinformationinordertoperformtheproposedwork.SizeinformationisnecessaryfortheContractor,forworksuchaswhenanexistingsupplyline(mainand/orlateral)isbeingconnected,wherepipewillbepulledthroughirrigationcrossoversandanyotherapplicableirrigationequipment.
Standard Irrigation Symbols / Irrigation Legend
Symbol For Existing
Symbol For Proposed
Item DescriptionAbbreviation
On PlanInstructionsaregivenfollowingitemdescriptionsforexistingandproposeditems.
Additionalinstructionsforproposeditemsareonpage5-4andexistingitemsareonpage 5-3.Water Meter (WM) Showsizeandabbreviationbesidesymbol.
StandAlone(pedestalmountedorattachedtoastructure)IrrigationControllers For RICS Systems see page 5-7
Master Irrigation Controller (MIC) See below for instructions.
MIC – ‘A’12 Station
11 Stations Used
Auxiliary Irrigation Controller (AIC) See below for instructions.
AIC - ‘A’12 Station
11 Stations Used
Irrigation Controller (IC) See below for instructions.
IC - ‘A’12 Station
10 Stations Used
Irrigation Controller (IC) (Battery) See below for instructions.
IC Battery - ‘C’8 Station
8 Stations Used
Irrigation Controller (IC) (Solar) See below for instructions.
IC Solar - ‘A’8 Station
8 Stations Used
Standard Irrigation Symbols / Irrigation Legend continued
The following instructions apply to the above Irrigation Controllers:Whenthecontrollerisstandalone(pedestalmountedorattachedtoastructure),showthe“controller”symbol.Identifythesymbolwiththeappropriateabbreviation(MIC,AIC,IC,ICBATTERYorICSOLAR)alongwiththefollowing:
ICC -’A’ and ‘B’ 12 Stations Each All Stations UsedOrICC -’A’ and ‘B’‘A’ -12 Station12 Stations Used ‘B’ -24 Station 20 Stations UsedOr*ICC -MIC ‘B’ and AIC ‘A’12 Stations Each‘B’ -10 Stations Used‘A’ -11 Stations UsedOr*ICC -AIC ‘C’ and ‘D’ ‘C’ -12 Stations Each10 Stations Used‘D’ -24 Station21 Stations UsedOr*ICC-Battery ‘A’ and ‘B’ 12 Stations Each‘A’ -10 Stations Used‘B’ -12 Stations UsedFor RICS Systems see page 5-7
Standard Irrigation Symbols / Irrigation Legend continued
Irrigation Plans 5-7Caltrans Landscape Architecture PS & E Guide
Remote Irrigation Control System (RICS) IfaRICSisbeinginstalled,usean“ItemDescription”thatfitsthetypeofequipmentbeingidentifiedontheplansthatmatchesthedescriptionoftheequipmentspecifiedintheSpecialProvisionsandtheEngineersEstimate.UsetheICCsymbolandabbreviation(ICC)oncepercabinetandlisttheitemsbeinginstalled.Belowareafewexamples.AlsomakesuretheValveCodefortheRCV’sisshownontheplans.Seepage5-14.
Symbol For Existing
Symbol For Proposed
Item DescriptionAbbreviation
On PlanInstructionsaregivenfollowingitemdescriptionsforexistingandproposeditems.
Showing only where CNC that are not installed in main line trenches is faster but be sure to take your time in calculating the quantity of CNC for the estimate.
Wheninstallingonorinanexistingbridge(highwayplantingproject),labelwiththesizeandinstallationlocationbesidesymbol.See Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
When installing in a proposed bridge (highway construction project), see Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
Wheninstalledonorinanexistingbridge(highwayplantingproject),labelwiththesize,abbreviationandinstallationlocationbesidesymbol.See Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
When installing in a proposed bridge (highway construction project), see Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
Forexisting,showexistingsymbolandsize.
GSP
GSP On Bridge*
or
GSP In Bridge**Installationlocation
Ductile Iron Pipe (DIP) (Supply Line) (Main) Showsizebesidesymbol.
Wheninstalledonorinanexistingbridge(highwayplantingproject),labelwiththesizeandinstallationlocationbesidesymbol.See Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
When installed in a proposed bridge (highway construction project), see Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
Wheninstallingonorinanexistingbridge(highwayplantingproject),labelwithsize,abbreviationandinstallationlocationbesidesymbol.See Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
When installing in a proposed bridge (highway construction project), see Irrigation Facilities To Be Installed On Bridge Or In Bridge on page 5-17 for additional important instructions.
Nozzle Line W / Turning Union (NL) Showbothsizeandabbreviation.Pipesizesmaybeindicatedbythefollowingmethods:nexttothepipe,inpipesizingchartorinanirrigationnote.
Highway Construction ProjectsWhenirrigationfacilities,i.e.,SprinklerControlConduit,DuctileIronPipeandGalvanizedSteelPipe,areinstalledinaproposedbridge,showthefollowingnote(s)ateachapplicablestructureontheirrigationplan:
Irrigation Plans 5-18Caltrans Landscape Architecture PS & E Guide
Irrigation NotesIrrigationnotes,whenneeded,areplacedonthefirstsheetoftheirrigationplans.Ifthereisnotenoughroomtoshowthenotesonthefirstpage,anoteMUSTbeshowntodirecttheContractortowherethenotesarelocated,i.e.,IrrigationnotesarelocatedonsheetLD-I.However,whennotesarespecificforaparticularlocationoranunusualcircumstance,theyareplacedonthesheetwheretheworkisshown.Notesshallonlybeshownonce.Donotrepeatthenotesoneachplansheetexceptforthenotediscussedonpage5-17under“Highway Construction Projects”andthefollowingnote:
Required note at the bottom of each irrigation plan sheet:
All Irrigation Equipment Sizes Are Shown In Inches (Diameter Nominal) Unless Otherwise Noted.
Irrigation Plans 5-19Caltrans Landscape Architecture PS & E Guide
Irrigation Restoration ProjectsIn the debate of whether to specify an all new irrigation system vs. using existing facilities, is it cost effective to utilize existing lateral facilities?