Whai muri i te whakawhitiwhiti kōrero hangarau hōhonu, te arotake i ngā tuhi hoahoa hanganga o te kaupapa, me te tātari i ngā whakaritenga rū whenua me te kawenga, i whakaratohia e mātou he otinga whānui e whakaatu ana i ngā kurupae-H, ngā maitai koki, me ngā pereti maitai—kua whakaritea katoa kia tutuki ai ngā paerewa pakari o te hanganga kāwanatanga. Ko ngā painga matua o te hua me ngā whakaritenga e whai ake nei:
- Ngā Hiko-H(Hanganga Matua e Pupuri ana i te Kawenga):I tangohia te Q355B (he rite kiASTM A36) ngā kurupae-H, te wāhanga matua o te anga o te whare. He tino pai te kaha tuku (iti rawa 355 MPa) me te kaha kume (iti rawa 470 MPa), e āhei ai te tu atu i te taumaha-ake o te whare, te kawenga noho, me ngā kaha rū whenua. I whakaratohia ngā whakatakotoranga ritenga (teitei: 200mm-600mm, whānui o te flange: 100mm-250mm, matotoru o te tukutuku: 6mm-14mm) kia ōrite ki ngā paparanga me ngā wāhanga hanganga rerekē o te whare kāwanatanga.
- Ngā Rino Koki(Te Whakapūmau Hanganga me te Anga):I tukuna mai ngā maitai koki Q235B (he rite ki te ASTM A283 Gr.C) mō ngā tautoko hanganga, ngā hononga tuanui, me te anga pakitara. Mā te ngāwari me te mahi piko pai rawa atu, ka whakarei ake ngā maitai koki i te pumau whānui me te kaha ātete-rū o te whare. I hangaia ngā rahi ritenga (roa waewae: 50mm-125mm, matotoru: 5mm-10mm) kia uru ki ngā whakaritenga hononga uaua o ngā hanganga kore-kawenga o te whare.
- Pereti Rino(Ngā Papa Papa me te Whakakaha Hanganga):I whakaratohia ngā pereti maitai ASTM A36 mō te hanga pereti papa me ngā wāhi whakakaha hanganga matua. He matotoru ōrite (8mm-20mm) te matotoru o ngā pereti, ā, he papatahi te āhua, e whakarite ana i te hononga pai me ngā kurupae-H me te whakawhiti kawenga pono. I whakatinanahia te mana whakahaere kounga mata tino pakari (kāore he pakaru, he whakaurunga, he hapa rānei) hei whakatutuki i ngā paerewa teitei o te hanganga a te kāwanatanga.
- Te Whakatutukitanga o te Kounga:I whakamātauhia te kounga o ngā kōtaha maitai katoa, tae atu ki te tātari hanganga matū, te whakamātautau āhuatanga miihini, me te tirotiro i te tika o ngā āhuatanga. E tutuki ana i ngā paerewa o te ao ASTM me ngā waehere hanga whare ā-rohe o El Salvador, me ngā tiwhikete kounga katoa e whakaratohia ana hei whakahaere i te whakaae a ngā mana whakahaere kāwanatanga ki te kaupapa.