
AssemblyinstructionsforSLKSolarroofmountsystem‐RevL Page2of38
NOTICESANDSAFETYPRECAUTIONS
Readthisdocumentbeforebeginninginstallationwork.Planforsafepracticeduringanyinstallationactivitywithrespectto
hazardsfromtripping,falling,lifting,repetitivestress,andanyoverheadorelectricalhazards.Whenworkingclosetobuildingroof
edges,considerprotectionoptionsthatreduceworkerexposuretofallhazards.RefertoOSHASub‐Chapter7,Group1,Article2.
TheSLKSolar®RoofMountSystem(RMS)ismadefromaluminumalloy,fastenedtogetherwithstainlesssteelassemblyhardware.
AluminumalloycomponentsaremanufacturedperASTMB209andASTMB221.5052‐H32isusedforsheetmetalcomponents,and
tempered6000seriesalloysareusedforextrudedcomponents.IntheformsusedinSLKSolar,thesematerialsareconsideredtobe
non‐toxic.Metalcomponentsoftenhavesharpedges.Handlecarefully!Wearingglovesisgoodpractice.
Thisdocumentisnotprescriptiveregardingsafetyanddoesnotpurporttoaddressallthesafetyconcernsthatmayarisewithits
use.Contractorsshouldbecomefamiliarwithallapplicablesafety,healthandregulatoryrequirementsbeforebeginningwork.
Electricalsafetynotice–AnytimeaSLKSolarpanelcontainstwoormoreelectricallyinterconnectedmodules,ashockhazardis
present.SLKSolarisamechanicalsystemandcontainsno“live”parts.Mechanicalinstallersandelectriciansshouldcoordinatein
ordertoensurethatallpersonnelareawareofelectricalhazards.
Precedence–TheSLKSolarRMSpositionsandsecuresphotovoltaicmodules.DC“stringing”andinterconnectionofthemodules
requiresplacementofconduit,conduitfittingsandcombinerboxes.Nothinginthisdocumentisintendedtolimittheallocationof
rooftopspaceortocontrolcraftswithrespecttoworkprecedenceandcoordination.
Buildrate–Estimatedmechanicalinstallationrate(modulesperday)foranarrayconsistingofcommercial‐classmodulesinstalled
withaSLKSolarRMSandassumingawell‐equippedfour‐personcrewisontheroofandworking7.5hours/daywithfulltask
interchangeability:>120modules/day.
As‐builtdocumentationprocess–On‐roofuseandmark‐upofthisdocumentandthedrawingsandprintedmatterreferredtoin
thisdocumentisgoodpractice.Markupandannotatethedrawingsonaregularbasis,notingcompletions,exceptions,dimensional
inconsistencies,etc.
Fieldmodifications–UnauthorizedfieldmodificationofSLKSolarcomponentsorassembliesmayaffectSLKSolarwarranty
coverage.ProvidemarkedupdrawingsforSLKSolar’sreview,commentandapprovalpriortoattemptinganyfieldmodifications.
Workarounds–Workerslayingoutorinstallingarraysonrooftopsmayencounterundocumentedorunexpectedobstacles
requiringaworkaround.SincePVarraysareintendedtobeprimarilyregularandrepeatingstructures,workaroundsshouldbe
notedonworkingdrawings.Whenaworkaroundaffectsthelocationoftwoormoremodulesatonce,thesupervisorshouldbe
advisedandtheworkaroundshouldbeevaluatedandthencompletedinamannerthatensuresthattheremainderofthearrayis
notaffected.
Roofsurface–Alllargeflatroofshavepitchandundulation,jointedassemblies,andmayalsohavelevelseparationsandparapets.
Variousroof‐mountedfittings,airventpipesandequipmentsuchasHVACorprocessequipmentmayalsobeencountered.The
preciselocationofmanyrooftopdetailsisnotknownsincesuchdetailsareinstalledunderconditionsinwhichtheworkeror
contractormayhavediscretionregardingfinallocation.
FireSafeRoof–TheSLKSolarRMSistobemountedoverafireresistantroofcoveringratedfortheapplication.TheSLKSolarRMS
isnotmeantforslopedroofswheretheslopeisgreaterthan1½”:12”(7°or12%).