Weilan Steel Tsari yana ƙoƙarin aiki a cikin gida na tsarin sika kuma kasa, kuma akan yin amfani da solar power a cikin gida ta hanyar kasa. Alama ta zo bayan gida ta dace — kuma bayan haka jawabinta na muhimmanci suna bada mafi kyawun kudin. Bayan kasa ta dace, alamar da suka bukatar amsa a cikin rukuni suna zama aiki na waje: wannan purlin line zai iya kara load, inda za a shiga kable, inda za a sa inverter. Wani mutum ya faruwa a cikin kasa don yin amfanin purlin, kuma jawabi ya zo a matsayin kara kudin ba amsa ba. Kuma aikin da ya dace a cikin energy model ya zama aiki na kasa na farko. Wannan rubutu shine mun sanya a cikin abubuwan da muna bukata daga abokanmu bayan fuskantar aikin. Kowanne bututu a baya shine abin da aka zuba a lokacin da gida ta ke cikin rukuni, kuma kowanne shine ya kashe kudin. 
Wani abin da aka sanya ba ta fayyade, kuma ba ta daga cin yin amfani da abubuwa na gida a wata lokaci da aka fiye. Ta daga yin aiki ne akan rukuni kuma ba a cikin gida da aka shirya ba, kuma farko ya nuna a hudu wani baya.
Farko shi ne steel. Yadda aka sanya mahimmancin gida na steel don yin amfani da solar solar-ready steel building yana nufin yin ƙarƙashin yankin purlin a yankin da suke so a yi amfani da mounts — duk wadanda suka zama tonne, suka biya cikin factory kuma suka tashi cikin wani container da suka tashi dukkan abubuwan da suka tashi. Idan aka sanya wadannan steel bayan da aka shirya gida, yana nufin yin aiki daga sarri, da amfani da abubuwan da suke so don yin aiki, da amfani da abubuwan da suke so don yin amfani da gida, da amfani da abubuwan da suke so don yin amfani da gida kuma da amfani da abubuwan da suke so don yin amfani da gida. Abubuwan da suka zama cheap shine wadanda suka zama cheap a duk wadannan lokaci; wadanda suka canzawa shine duk wadanda suka zama daga sarri.
Na biyu na biyu shi ne kuma ƙasa na gida. Kasa da aka yi amfani da shi don saurin kudin rai (solar-ready roof) ya kashe a matsayin da aka bayyana, don haka kasa mai tsanani (weathertight layer) ya kashe a wani lokaci da aka bayyana a cikin wani lokaci. A cikin yadda aka yi amfani da kasa ta farko (retrofit), ya kashe kasa da suka faru a lokacin da aka yi amfani da shi, kuma alama na sarrafa (industry figures) don ci kudin rai (PV array) daga kasa kuma sanya shi daidai (which is what a later re-sheet or leak repair involves) ya zama miliyan dala $200 don kudin rai kowane kafin ajiye kasa ya faru. Wannan shine abin da za ka iya rage kuma ta hanyar kuwa kasa a matsayin da aka bayyana.
Na uku shi ne lokaci. Ajiye kasa ta farko (retrofit work) ya faru a cikin gida da ke aiki: kuran da suka faru a wani lokaci, masu ajiye a cikin gida da ke aiki, mutane da suka faru a cikin wani lokaci da ke aiki don samun kudin rai. Ajiye a lokacin da aka bayyana (design-stage work) ya faru a cikin gida na masu bayani. Satali shi ne daya; kuskure shi ba.
Wani daga cikin 4 shi ne elektriki. Kuma yanzu a cikin rukuni na kusurin da ke cikin gida, kuma wani kwalla mai zama a cikin gida don inverter da switchgear da aka bayani da shi, kuma akwai wani space don future backfeed breaker. Wadannan abubuwan da aka yi a cikin rukuni, idan aka yi su bayan hakan, sun zama wani external conduit run down a finished elevation da kuma service upgrade.
Wani rooftop array ya kashe karami, amma ba ya kashe karami ta hanyar kari. A cikin wani solar-ready takarda na Ganyen Adawa , mu yin design don wani rail-mounted, in-plane commercial array da ke damuwa akan 15 zuwa 25 kg/m² (0.15 zuwa 0.25 kN/m²) a cikin wani area da ke cikin array, inda wani ƙarami na 11 zuwa 13 kg/m² shi ne wadanda modules da kuma wadanda sauran abubuwan da ke cikin rails, clamps da kuma fixings. Wani ballasted flat-roof system shi ne wani babban farko — kamar yadda ake amfani da shi, 30 zuwa 60 kg/m² , da kuma yana dauka karin karami idan ya kashe karami sosai ko idan ya kashe karami a wani lokaci da ke cikin wani lokaci da ke cikin wani ƙarfi, saboda wani ballast da ke cikin wani array da ke cikin wani ƙarfi da ke cikin wani wind uplift shi ne wani karami.
Idan mu fara kuma aikin gida mai zama mafi kyau don kari, biyu hujja suka tsaya a cikin rukuni ba a cikin bayani ta amma. Alamar da aka bayyana shi ne don alamar da za a yi a lokacin da aka gabata, don haka wani ingini ya fito da yawa ya ga abin da ke ciki. Kuma alamar da ke cikin kari na kari (point-load) a cikin kari na kari (attachment points) akwai kuma — saboda gida da ke karye 15 kg/m² da kariya ta daga cikin kariya zai iya karya a cikin kariya idan kariya ta karya a cikin kariya (mid-span) na kariya (purlin). Kariya ta zo a cikin kariya ta daga cikin kariya (discrete points) a cikin kariya ta daga cikin kariya (regular spacing), ba a cikin kariya ta daga cikin kariya (uniform blanket). 
Kariya ba ta nufin "daga cikin kariya ta daga cikin kariya ta daga cikin kariya". Kariya ta zo daga cikin kariya zuwa cikin kariya: kariya (purlin) a cikin kariya, saboda shi ne cikin kariya da kariya (array) kuma shi ne cikin kariya da ke karya; sannan kariya (roof beam) ko kariya (frame); sannan kariya (column) kuma kariya (foundation). Daga cikin kariya, kariya (one line) ce ta neman amfani, ba kariya (frame) ba.
Wannan yana daidai a cikin wannan baya na kira ya zama mai kyau, kuma a cikin wannan baya na kira ta gudanen purlin na jihar da ke ciki. Idan a sani abu na array na gaba yayi lokacin da aka yi amfani da building, za mu iya kara tsawo ko kara ƙarfi na purlins a cikin wadanda suka hada da karami, ko kara tsawo na purlin a cikin wadanda suka hada da karami. A matsayin amfani, wannan yana nufin karamin fahimtar steel a cikin fara mai yawa — wata amfanin rukuni, ba wata amfani na farko ba. Idan aka ci gaba da wannan a lokacin da aka shiga roof, wannan amfani zai kasance da a daga sarri, a cikin building da ke aiki, da kuma kofin ya zama mafi karami kuma ya zama mafi karami bayan wannan. Ka biya maki na steel biyu a farko: kamar yadda ake biya maki na material, kuma kamar yadda ake biya maki na karamin kofin da kuma amfani na farko.
Abin da za a zaɓa shi yana ƙarƙashin yadda za a hada abubuwa masu ƙara ga shi. A cikin kofin gaba na ƙwayoyin kwalla, abubuwa masu ƙara ba su daga wani baya su zama a kofin gaba kuma ƙwayoyin da suka ƙara ƙarfi ba su daga wani baya su zama — wanda ke ƙarƙashin yadda za a yi amfani da shi idan abin da ake amfani da shi ya dace. A cikin kofin gaba na ƙwayoyin da suka ƙara ƙarfi ko kofin gaba na ƙwayoyin da suka ƙara ƙarfi da kuma ƙwayoyin da suka ƙara ƙarfi, wanda ke ƙarƙashin abin da ake amfani da shi a cikin kofin gaba na ƙwayoyin da suka ƙara ƙarfi, abubuwa masu ƙara suna daga wani baya su zama, don haka kowa daga wadannan abubuwa masu ƙara yana bukatar an ƙara shi kuma yadda za a sanya shi yana bukatar an duba kuma ba za a gano shi ba. Idan kuma, abin da muna talk about it yana ƙarƙashin yadda za a sanya abubuwa masu ƙara. Wannan kuma yana mahimmanci don ƙwayoyin da suka ƙara ƙarfi. ƙwayoyin da suka ƙara ƙarfi .
Kurushon shine abu ne a wannan lisiti da ba za a sao kuma a wani lokaci bayan aikin gudumawa, saboda shine daga cikin yadda aka samu shi na steel. Muna sadarwa biyu a farko na aikin rarraba. Klassi na coating na sheets da purlins ana sao su da yadda ake yi amfani da su a wani yanki, don haka yankin kushta ko yankin da ke da yawa na humidity zai samu coating mai yawa da bukatar su — wani karami kusa da coil, kuma ba za a iya sao su a cikin roof da aka gudumawa ba. isolation na elektriki a yankin da ke cikin contact, saboda wannan yanki ya zama galvanic couple da ke kurushon a yankin da ke cikin moisture. Shii ne abu da ke cikin yanki kuma yana da karamin zaman lafiya, kuma ba za a sanya karami a farko ba. 
Kashe suna kuma ayyukan da ke ƙarfi sosai na solar readiness, kuma su ne mafi yawa a cikin abubuwan da suka zama mai gaskiya don samun su bayan sa. Mu saba su uku a cikin drawings da ke shirin na solar-ready building. Wani roof penetration da aka kapa da aka rubuta suna da internal chase da ke taka zuwa ga service equipment, wanda ya nufi cewa cable route akwai ne a baya, ba a taka shi kan ƙasa na outside na finished elevation — wanda shine mafi kyawawan visible compromise a cikin retrofit projects. A cikin reserved equipment space don inverter, kuma don battery idan site ya bukata shi, yana bukatar wall ko yard area da ke da clear working space a cikin kasa ta, wanda shine mafi kyawawan yake da meter da ƙarami kuma yana da size da ke cikin local electrical code ba a cikin abin da aka baki ba. Kuma switchgear an rubuta shi da headroom don future backfeed breaker, saboda a cikin many jurisdictions busbar rating shine wanda ke kara array size bayan sa — wani line a panel schedule a yanzu, kuma service upgrade bayan sa.
Wani abu ne kamar haka, wanda ke nufin cewa solar yana zama abin da za ka iya amfani da shi lokacin da ke taimi, ba wani abu da za ka sanya kudin shi duk da sauri. Kuma gida ta kashe ya dace, kuma kofin kudin ya dace, don haka kaza na solar za a sanya ta hanyar wani masu amfani da kudin da ke da mahimmanci lokacin da tariffo, kudin diesel ko kudin ku na kasa su kara mahaillan — ba a bukatar fahimtar kofin kudin, ba a bukatar karewa ko ba a bukatar farin gida ta kashe.
Kashe na amfani ne kamar yadda kudin ta fito. Kudin da aka tsara shine kudin da ke da mahimmanci kuma za a fahimta shi: analisis da aka bayyana a marketin Afrika yana nufin cewa diesel da factory ya kare za ta sanya kudin panelin solar a cikin shekaru hudu a Nigeria, kuma a lokaci mafi yawa a wasu marketin Afrika, wanda shine saboda PV na gida ta kashe a gida ta industriya shine wani daga cikin kudin da ke dauke da karamin zaman lafiya da ke da mahimmanci ga masu sanya kudin. Abin da muna bin sale a lokacin da aka raba shi ba su panelin — amma karewa na dukkan abubuwan da ke kari gida, gida ta kashe da kofin kudin da za su kari gida daga kudin.
Yana ƙarfin da ke ƙarkashi kuma. Gwamnati da aka bayyana shi da kyau na load, da kuma kofin da ke da alaƙa ta hanyar da aka rubuta su, yana da dukkan abubuwan da ke cikin shi, don haka gida yana zama mai kyau ga mutum na farko ko wani ya sa a kan gida. Kyau na kudin da ba a yi amfani da ita ba zai zama babban kudin ba; amma zai zama abu da ke cikin gida. 
Mu bayar tsarinen tsohuwa inda gwamnatin da ke cikin gida ta fuskacen PV ta fara daga farko, a cikin uku na farko na gida:
Wani abu ne suka hada su duka uku, ba wani abu mai yawa ba. Amma shi ne tsari na zamani na amfani: mutum na gida ya nuna PV na gida lokacin da aka kan gida, don haka ala'adu, baya na gida da ala'adu na kusurta suna aikata da sauran ala'adu ba tare da kuskuren da kuskuren ba.
Za mu iya kan gida kuma solar-ready steel building idan muna sani abin da za a jiya a kudin gida. Bayanai wadanda suka ba mu damu a bayani da kyau shine: tsawon gida, yadda ƙaramin gida ya dace, amfanin gida, lokaci na aiki, yadda gida ta zama, haɗin yaki da tsanen gida, abin da za a yi amfani da shi a kudin gida, kuma idan PV ya kashe, yadda kamarin PV ya zama ko yadda karamin gida ya dace, kuma lokacin da inverter da battery (idanku) za su dace. Aika mu waɗannan bayanai, kuma karamin gida, tsarin purlin, hanyar tafiyar gida, da karamin koroshi za a sanya su a cikin wannan bayani da kuma a rubutu su a cikin bayani, ba a sanya su a cikin kalmomi da kuma a rubutu su a cikin kalmomi.
Weilan ta aiki a cikin shafin tsarin fulu da yawa don 25 shekara kuma ta bayar da kadan 6,590 hanyoyin amfani na ingilishi mai sau gano. Ingilishinmu na 32 a waje da daga cikin jihar, suka yi tsarin a AISC, EN da AS/NZS, wanda ya sa mu bayyana kadan yadda za a iya sanya karamin kudin kudin da ingilishi na ku zai iya tabbatarwa; tsarinmu na 26,650 metar kwadrat ya tsara kadan kudin kudin, purlins da kadan tsarin rufi a matsayin daya, don haka kadan karamin kudin kudin ya ba ku kadan kudin kudin ba tushen kadan kudin kudin; da kadan 450 masu sauya sun sauya su a waje. Idan kun plana solar-ready steel building — fabrik da kadan gida na kudin kudin da kadan opshiyan solar an fada — aika mu kadan dimenshoni da kadan halin gida kuma kadan kumunmu zai aika ku tsarin da kadan bayani a cikin 3 rana na aiki.