Ka kiia hoki ngā kerēne jib he kerēne cantilever, ka taea te whakahaere noa i roto i te wāhi toru-ahu, ā, e whakamahia whānuitia ana i ngā wāhi rerekē i roto i ngā ahumahi rerekē mō te tawhiti wāhanga me te kawe tere.
He pou te kerēni, he taputapu taraiwa ringa patu, me te hiki hiko. Ko te pito o raro o te pou e mau ana ki te turanga raima mā roto i ngā pūtu punga. Ka rere te ringa i runga i te kurupae-I i te rārangi tika mai i te maui ki te matau, ā, ka hiki i ngā mea taumaha. He hanganga maitai tuwhera te jib o te kerēni, he mama, he whānui te whānui, he nui te kaha hiki, he ohanga, he pakari hoki.
He mea nui ngā kereini jib mō ngā mahi whakaputa katoa e hiahia ana kia tere, kia tika, kia iti hoki te wā e kore ai e mahi. I hangaia kia pai ai te wheako o te kaiwhakamahi, he maha ngā whakamahinga, he pakari, ā, ka taea te whakamahi mō te nuinga o ngā momo teihana mahi, e tautoko ana i ngā kereini o runga i ngā raina whakaputa, ā, e āwhina ana ki te pupuri i ngā pito whakamutunga, ngā pūtau miihini, me ngā whare putunga kia pai te mahi.
He maha ngā momo huarahi hei whakamau i te jib ki te pakitara, ki te papa rānei, me te maha o ngā momo hiki e wātea ana, he tino pai mō te whānuitanga o ngā whakaurunga. Ka taea e ngā kerēne te uta ki te 2,000 kg, ā, ka taea te nekeneke ki te 300 nekehanga me te jib pou, me te 270 nekehanga me te jib e mau ana ki te pakitara.
Wā tuku: Whiringa-ā-rangi 27-2023