ʻO 120 kila kila formwork ke ʻano kaumaha me ka ikaika kiʻekiʻe. Me ke kila ʻāpana ʻāwaha kū i ka torsion e like me nā papa i hui pū ʻia me ka lāʻau pāpaʻi kiʻekiʻe, 120 ka mea hoʻoheheʻe ʻia o ka pā pōhaku kila no kona lōʻihi loa o ke ola a me ka hoʻopau paʻa paʻa.