Izindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nezinto Zokuthenga
Kwadalwa ngo Ngokwamukisa
Izinto ze-Floating Roof Cost, Quotation And Procurement
Quotation and procurement for a floating roof must compare identical scope, material and compliance basis, not headline price. Getting the specification right prevents the dominant failure modes and keeps the roof within its code envelope.
Umsebenzi Nendima
Izilinganiso zokucaphuna kanye nokuthengwa kophahla oluntantayo kufanele kuqhathanise ububanzi obufanayo, izinto zokwakha kanye nesisekelo sokuhambisana, hhayi intengo enkulu. Kucaciswa njengengxenye yohlelo lophahla oluntantayo, ngakho ukubekezelelana kwayo kanye nezinto zokwakha kufanele kuhambisane nedekhi kanye nesiliva kunokuba kubhekwe ngokwahlukile. Ingxenye ecaciswe yodwa iyisizathu esivamile sokungahambisani emkhakheni.
Isiphakamiso esishibhile ngokuvamile yiso esinobubanzi obuncane; umqulu wokuthengwa kufanele uphoqele ukuthelekisa okufanayo ukuze ukukhetha kube nokuvikeleka.
Isisekelo Sokuklama
· Chaza ishidi ledatha ngaphambi kokucela izilinganiso zezindleko
· Shono ikhodi, umkhiqizo nobubanzi
· Funa izinga elifanayo lokuvimbela kuzo zonke izilinganiso zezindleko
· Faka ububanzi bokufakwa kanye ne-QA
· Setha irekhodi lenketho enqatshiwe
Izinto Zokwakha Nokwenziwa
· Njengoba kucacisiwe kudatha yeshidi
· Izimvume eziqanjiwe lapho kudingeka khona
· Izilika eziyisipele zibekelwe imali
· Uhlelo lokumboza luchaziwe
Indlela Yokukhetha Nokuklama
Indlela ephindwayo igcina ukukhetha kuvikelekile kumathangi afanayo:
1. Chaza umsebenzi wezinto ze-Floating Roof Cost, Quotation And Procurement kanye nomthwalo noma indlela yomhwamuko ewulawulayo.
2. Setha into ngokuhambisana komkhiqizo (isb. Njengoba kucacisiwe kudatha sheet), hhayi ngentengo.
3. Qinisekisa ukuxhumana nedeski, igobolondo nokuvimbela ngaphambi kokuthenga.
4. Hlela ukufinyelela kokuhlola esicacisweni.
5. Rekhoda ukubekezelelana okwamukelwe ukuze kuhlolwe.
Uhlaka Lokulinganisa (Isibonelo, Hhayi Isibalo Sephrojekthi)
Ekuhloleni kwesicaciso seZici Zezindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nokuthengwa, ubudlelwano obusetshenziselwa ukuhlola yilobu:
Cacisa ngomsebenzi: impahla edingekayo ≥ isidingo sesevisi enomkhawulo oshiwo; qinisekisa, ungacabangi.
Okokufaka ngezansi kwe-Floating Roof Cost, Quotation And Procurement Factors specification screening kuyizibonelo ukukhombisa indlela; akusona inani elikalwe kunoma yiluphi uhlobo lwe-Floating Roof Cost, Quotation And Procurement Factors specification screening futhi kufanele kushintshwe ngedatha yendawo eqinisekisiwe ngaphambi kokusetshenziswa.
Okokufaka | Inani eliyisibonelo | Kungani kubalulekile |
Impahla edingekayo (isibonelo) | Isidingo sesevisi + imajini | Ibeke umugqa wokwamukela |
Impahla | Kusuka ekuhambisaneni | Ivimbela ukwehluleka okusabelayo |
Ukubekezelelana | Kushiwo, akucatshangwa | Ivumela ukuhlola ukudlula/ukwehluleka |
Ukuhlola | Isikhathi esichaziwe | Ibamba ukuwohloka |
Mayelana nokuhlolwa kwencazelo yezinto ezicatshangelwayo zezindleko zophahla oluntantayo, isilinganiso sokubhida nokuthenga, iphuzu liwukuthi indlela, hhayi inombolo: shono konke okokufaka, khombisa ukubalwa, bese kuthi ngemva kwalokho uqhathanise umphumela nomkhawulo wokuklama wokuhlolwa kwencazelo yezinto ezicatshangelwayo zezindleko zophahla oluntantayo, isilinganiso sokubhida nokuthenga. Isibalo esisodwa esingasekelwe asikaze sishicilelwe njengokungathi iyiqiniso lephrojekthi yokuhlolwa kwencazelo yezinto ezicatshangelwayo zezindleko zophahla oluntantayo, isilinganiso sokubhida nokuthenga.
Izimo Zokwehluleka Nokuvimbela
· Amabhidi emisebenzi ehlukene
· Intengo ngaphandle kokubuka umjikelezo wokuphila
· Ukungafinyeleleki kokuhlola
· Akukho rekhodi lokuhambisana nemithetho
· Ngale kwalokhu, ukusebenza kwezindleko zophahla oluntantayo, isilinganiso sokubhida nokuthenga ngaphandle kokuhlola kuvumela amabhidi emisebenzi ehlukene ukuba aqhubeke ngaphandle kokuqashelwa.
Lapho Lokhu Kubaluleke Kakhulu
Mayelana Nezindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nokuthengwa, ingxenye ihlezi phakathi kwedekhi, umkhiqizo kanye negobolondo, ngakho isimo sayo silandelela ukusebenza kwalo lonke uphahla. Ukuyicacisa kusenesikhathi - ngaphambi kokuba idekhi nesivalo kugxilwe - kugwema umsebenzi wokuphinda obangelwa izinguquko zakamuva, futhi kugcina ububanzi bokuhlola buphelele.
I-Matrix Yemigomo Yokukhetha
Umbandela | Okuthandwayo | Gwema |
Umbandela | Ukukhetha okuthandwayo | Gwema |
Ukuhambisana komkhiqizo | Njengoba kucacisiwe kudatha sheet | Kucatshangwa ukuthi kujwayelekile |
Indlela yomthwalo | Chaza idatha sheet ngaphambi kokucela izilinganiso | Kunganakwa |
Ukuhlola | Ukufinyelela okuhleliwe | Lutho |
Umjikelezo wokuphila | Izinsiza ezibekelwe isabelomali | Ukusabela |
Ukucaciswa Okungalungile Okuvamile
· Ukuthatha Izindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nokuthengwa njengempahla evamile esikhundleni sengxenye yesistimu.
· Ukuqinisekisa intengo kodwa hhayi ukuhambisana.
· Ukungashiyi ndawo yokuhlola kudizayini.
· Ukusabela ekwehlulekeni esikhundleni sokuhlela izinto zokulondoloza.
Ithebula Lokucacisa
Isici | Iphuzu | Kungani |
Isici | Iphuzu lokucacisa | Kungani kubalulekile |
Umsebenzi | Isiphakamiso sokuthenga nokuthenga kophahla oluntantayo kufanele kuqhathanise i | Kubeka inhloso yedizayini |
Idizayini | Chaza iphepha ledatha ngaphambi kokucela iziphakamiso | Imikhawulo yokubekezelela nomthwalo |
Impahla | Njengoba kucacisiwe kudatha yedatha | Ukuhambisana kwama-drive |
Ukuhlola | Amabhidi emisebenzini ehlukene | Kubamba ukuwohloka |
Isixhumanisi Sokuhlola Nokuhambisana
Isimo Sezindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nokuthenga Izinto sihlolwa njengengxenye yohlelo lokuhlola ithangi (i-API 653 lapho kusebenza khona); izinkinga zibhalwa nezikhathi zokulungisa esikhundleni sokushiyelwa emkhubeni wokubona. Ithebula elingezansi lixhumanisa izinkinga ezijwayelekile Zezindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nokuthenga Izinto nesenzo.
Isiphambeko | Isenzo | Isisekelo |
Isiphambeko (isibonelo) | Isenzo | Isisekelo somnqamulajuqu |
Amabhidi ebangeni elihlukile | Hlola futhi ulungise | Ngesikhathi sokuhlola ngasinye |
Intengo ngaphandle kombono womjikelezo wokuphila | Lungisa noma shintsha | Ngokomthetho wokukhishwa |
Ukuntuleka kwendawo yokuhlola | Qapha, hlela ukulungisa | Isikhawu se-API 653 |
Ukufakwa Kanye Nekhwalithi Yomsebenzi
Mayelana Nezinto Zezindleko Zophahla Oluntantayo, Isilinganiso Nokuthengwa, ukucaciswa akusho lutho ngaphandle kokufakwa. Ideski, isivalo kanye nokungena kuhlelwa ngokwemigomo eshiwo ngemuva kokuqinisekiswa kokuyindilinga kwegobolondo; imithungo, izibophezelo kanye nokuthintana kwesivalo kuyahlolwa ngokuqhathaniswa nerekhodi lomklamo ukuze ithangi elakhiwe lilingane nelakhiwe ngomklamo.
Izingxenye Zokushintsha Kanye Nomjikelezo Wempilo
· Gcina Njengoba kucacisiwe kudatha yedatha kanye namakhithi esivalo ngokwesisekelo sokushintsha okuhleliwe.
· Landelela isimo sedeski kanye nomgodi womlenze ngesikhawu sokuhlola.
· Bika isabelomali sokushintshwa kwesivalo njengezindleko ezihleliwe, hhayi into emangazayo.
· Rekhoda yonke into eyonakele kanye nokulungiswa kwefayela lomjikelezo wempilo.
Amaphutha Avamile Okucaciswa
· Ukucacisa Izindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nokuthenga Izinto Kuphela, kude nedeski nesilika.
· Ukukhetha into ngentengo esikhundleni sokuhambisana.
I-quotation kanye ne-procurement yophahla oluntantayo kufanele kuqhathanise ububanzi obufanayo, into kanye nesisekelo sokuhambisana, hhayi intengo ephambili. Ukulungisa i-specification ngendlela efanele kuvimbela izindlela eziyinhloko zokwehluleka futhi kugcina uphahla lungaphakathi kwe-code envelope yalo.
· Ukwamukela ama-tolerance acatshangelwayo esikhundleni alawo ashiwoyo.
Ukusekelwa Kwezobunjiniyela Nezinyathelo Ezilandelayo
Ngezindleko Zophahla Oluntantayo, Izinto Zokucaphuna Nokuthengwa, yabelana ngegama lomkhiqizo nokugxila, izinga lokushisa lokusebenza, ingcindezi yomhwamuko, ikhodi yokuklama, ububanzi bethangi, umthamo kanye nokushintshwa. Unjiniyela bese eqinisekisa uhlobo lophahla lwezindleko Zophahla Oluntantayo, Izinto Zokucaphuna Nokuthengwa, isigaba sedekhi nesiliva kanye nesisekelo sokuhlola kunokuba isincomo esifanayo kubo bonke.
Imibuzo Evame Ukubuzwa
1. Uyini umsebenzi weZici Zezindleko Zophahla Oluntantayo, Isilinganiso Sezindleko Nokuthengwa?
Isilinganiso sezindleko nokuthengwa kophahla oluntantayo kufanele kuqhathanise ububanzi obufanayo, impahla kanye nesisekelo sokuhambisana, hhayi intengo enkulu.
2. Kuchazwa kanjani?
Ngokomsebenzi, ukubekezelelana komklamo, impahla nokufinyelela kokuhlola - ngokuhambisana nedeski nokuvimbela.
3. Yini ehluleka kaningi kakhulu?
Amabhidi emisebenzini ehlukene
4. Yiliphi izinga elisebenza?
API 650, EN 14015 kanye ne-API 2000 ngokufanele; imithetho yokukhishwa kwezinto ezingcolisayo njenge-EPA Benzene NESHAP lapho i-benzene ikhona ku-Floating Roof Cost, Quotation And Procurement Factors. I-API 650 inikeza umongo wokuklama kanti i-API 653 ihlanganisa isimo sokusebenza.
5. Ingakhiwa yini endaweni yayo?
Izindleko Eziningi Ze-Floating Roof, Izici Zokukhokha Nokuthenga zingalungiswa noma zishintshwe ngohlelo oluhleliwe; umkhawulo wokulungisa ulandela uhlelo lokuhlola.
6. Ubani okuqinisekisayo?
Izindleko Ze-Floating Roof, Izici Zokukhokha Nokuthenga kuqinisekiswa unjiniyela ofanelekile noma umhloli ngokuhambisana nedizayini nerekhodi lokuhlola.
7. Kungani kungacaciswanga kukodwa?
Ngoba ukubekezelelana kwayo kanye nempahla kufanele kuhambisane nedekhi nesiliva; kukodwa kudala ukungahambisani kwensimu.
Izindleko Zophahla Oluntantayo, Ikhwothi Nokuthengwa Kwezinto Kuthathwa ngesinqumo ngumkhiqizo ogciniwe othile, ingcindezi yawo yomhwamuko, izinga lokushisa, indawo yokugqwala kanye nekhodi esebenzayo - hhayi ngomkhuba. Qala ngezimo zesevisi, uzihlanganise nohlobo olufanele lophahla oluntantayo kanye nekilasi lesivalo, bese uqinisekisa ukubekezelelana kwedekhi, isivalo kanye nogqinsi lweqokobhe ngokumelene nezinga elikhethiwe. Lapho kudingeka khona izilinganiso eziqondene nephrojekthi, inani lamathangi noma umthamo, ziqinisekise ngokumelene nerekhodi lethangi eliqinisekisiwe ngaphambi kokuqedela ukucaciswa.
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