Double girder ikiraro cya crane igizwe nibiti bibiri byikiraro bifatanye kumurongo, kandi mubisanzwe bitangwa hejuru yumuriro wamashanyarazi uhuza-umugozi wa trolley, ariko birashobora no gutangwa hamwe nu kuzamura amashanyarazi hejuru bitewe nibisabwa. SEVENCRANE Hejuru ya Cranes hamwe na Hoist irashobora gutanga ikiraro cyoroshye cya kiraro cyikiraro gikoreshwa muri rusange, kandi ikanatanga ibicuruzwa byubatswe byubatswe byubatswe kabiri byinganda zitandukanye. Ikiraro cya girder ebyiri nacyo gikoreshwa imbere cyangwa hanze, haba ku biraro cyangwa mu bikoresho bya gantry, kandi bikunze gukoreshwa mu bucukuzi bw'amabuye y'agaciro, ibyuma n'ibyuma, ibibuga bya gari ya moshi, n'ibyambu byo mu nyanja.
Ikiraro cya girder yikiraro isanzwe isaba kwemererwa hejuru yuburebure bwa crane runway nkuko amakamyo azamura hejuru yikiraro cya kiraro. Crane imwe-imwe itanga inguni nziza yo kuzamura no kugendana ikiraro kuruta inshuro ebyiri. Nubwo bidakunze kugaragara, ikiraro cya girder ebyiri munsi ya crane irashobora gutangwa hamwe na trolley ikora hejuru. Ikiraro cya kaburimbo ebyiri zigizwe nibiti bibiri byikiraro bifatanye n'umuhanda, kandi mubisanzwe bitangwa hamwe nu mugozi wo hejuru wumugozi wogukoresha amashanyarazi ya trolley, ariko birashobora gutangwa hejuru yumurongo wamashanyarazi ukurikije amashanyarazi.
Ukoresheje sisitemu yo kubara, SEVENCRANE Double Girder Overhead Cranes irashobora guhindura uburemere bwayo kugirango igabanye imbaraga zashyizwe kumurongo n'imitwaro yabo, mugihe kandi izamura ibikoresho byo guterura mugihe cyo gupakira ibintu byinshi. Mugihe ikiraro cya crane cyagutse nubushobozi bwagutse, umukandara mugari uzamura ubujyakuzimu bukenewe (uburebure bwa girder) nuburemere kuri buri kirenge. Imiterere shingiro yikiraro cyubucuruzi cyashyizwe hejuru yingendo-ndende ni uko amakamyo agenda ku ruziga munsi yuburebure bwa sisitemu ya gari ya moshi, hamwe n’umukandara w’ikiraro washyizwe ku gikamyo cyarangiye, kandi amakamyo ya boom yahagaritse ibimera, bigenda hejuru Umwanya. Crane yo hejuru ya GH Cranes & Ibigize iraboneka muburyo bubiri, agasanduku-gerder hamwe na profile isanzwe, kandi ifite ibikoresho byubatswe muburyo bwo kuzamura, mubisanzwe haba kuzamura cyangwa gufungura-gufungura.