ʻO ke ʻano metala o ke kūkulu ʻana i ka pahu gantry crane ʻO ke ʻano metala kumu o kahi crane RTG i haku ʻia me ke kiʻi nui, nā wāwae, a me ka ʻaoʻao haʻahaʻa, a ua hoʻopili ʻia kēlā me kēia ʻāpana me nā wili a i ʻole nā hono bolt. Hoʻokumu ʻia ka crane me kahi lāʻau nui i hui nui ʻia, nā maʻa, nā mea hoʻokiʻekiʻe, nā ʻano huakaʻi o ka crane, a me nā mea like. Hoʻopili ʻia ka lāʻau nui i hui pū ʻia me kahi maʻa maʻa a me ka bolt ikaika kiʻekiʻe, a ua maʻalahi ke ʻākoakoa a lawe ʻia. He ikaika ka crane no ka lawe ʻana i nā ukana kaumaha loa me ka maikaʻi loa, a hiki ke hāpai ʻia nā waiwai ma kēlā me kēia ʻaoʻao. ʻO ka wikiwiki o ka hana ʻana o nā mīkini hoʻokiʻekiʻe a me nā mīkini holo crane he lohi i mea e hoʻonui ai i ka pololei alignment no nā kaola precast a e hoʻemi i ka hopena i nā hale crane.
Hoʻohana ʻia kēia ʻano hana ʻūhā gantry crane no ke kūkulu ʻana i ke alahaka, ʻo ka hapa nui e hāpai a hoʻololi i nā kaola precast mai kahi papa hana kaola i ke kahua hoʻomoe. I ka manawa like, hiki ke hoʻohana ʻia kēia crane no ka hāpai ʻana i nā pahu pahu a me nā hana hoʻolei.
Hiki ke hoʻohana ʻia nā cranes gantry luhi no nā manawa he nui e like me nā hale moku a me nā awa, kahi i loaʻa ʻole ai nā ala no nā hāpai. ʻOi aku ka maikaʻi o ka crane gantry double-girder, a hiki iā ia ke hāpai i kahi haʻahaʻa kaumaha loa, hiki ke kūpono i nā pono o kāu hui. ʻO ia paha ka pahu pahu pahu pahu pahu pahu i hoʻohana ʻia ma kou awa, he mea hoʻokiʻekiʻe waʻa paʻa i hoʻohana ʻia i kāu hana hoʻokiʻekiʻe moku a i ʻole ka hana hāpai waʻa, a i ʻole ka crane mobile hana kaumaha no kāu mau hana ʻenekinia.
ʻO ka hāpai ʻana i nā ipu a me nā ukana kaumaha me ka hoʻohana ʻana i ka pahu pahu pahu gantry cranes kekahi o nā hana nui i hana ʻia ma nā hana awa. ʻO kahi puʻupaʻa kaʻa kaʻa (RTG crane) (ʻo ia hoʻi ʻo ka pahu kaʻa) he pahu gantry mobile i hoʻohana ʻia i nā hana intermodal no ka pae ʻana a i ʻole ka hoʻopaʻa ʻana. Hoʻohana nui ʻia nā cranes gantry Rubber-tyred ma nā ʻano hana kūkulu no ka hāpai ʻana a me ka hoʻoneʻe ʻana i nā kaola palaki, ka hui ʻana o nā mea hana nui, a me ka hoʻonohonoho ʻana o nā paipu.
ʻO ka Rubber Tired Rail Laying Cranes kahi haʻalele ʻana mai nā hana hoʻomoe kaʻaahi kuʻuna. ʻO ia ka ʻenehana ʻoi aku ka maikaʻi e hoʻohana ana i 2 cranes e hoʻokiʻekiʻe i nā ala kaʻaahi a lawe i nā ala i lalo i nā tunnel e waiho ʻia e nā alahao. Hoʻolālā ʻia a hana ʻia kēia RTG crane set e nā limahana aʻo a me nā loea.