Scaffold ndi muyeso wofunikira kwambiri pamayendedwe apamwamba. Ndi opaleshoni yowoneka. Sikuti zimangofuna chitetezo panthawi yoyesedwa, komanso mtundu wa serection chithandizanso kugwiritsa ntchito sckagold. Njira yotetezeka siyinganyalanyazidwe.
Chachiwiri, bar yayikulu
1) Malo akuluakulu a Cross adakhazikitsidwa pansi pa bar yatsoka, ndipo imakhazikika ndikuthamanga-kumanja mpaka mkati mwa positi.
2) Mphepo yayikulu imalumikizidwa ndi othamanga. Zolumikizira zolumikizidwa. Samayikidwa munthawi yomweyo, ndipo mtunda wopingasa pakati pawo woyandikana nawo si wochepera 500mm. Pewani kukhala pakatikati pa bala yopingasa.
3) Basi yayikulu ya Cross iyenera kukonzedwa mkati pakati pa mipiringidzo yolumikizira ndi mafelemu oyandikana nawo ayenera kuzimiririka. Kutalika kwa mamembala akulu a mtanda kuyenera kukhala 4.5m ndi 6m.
4) Kupatuka kwakukuru kwa mzere waukulu mzere womwewo sikungakhale wamkulu kuposa 1/300, ndi kusiyana kwakanthawi kwa mbali zinayi za minda yayikulu sikupitilira 50mm. Zingwe zitatu zazikuluzikulu zimafunikira ngati njanji zoteteza pamtunda wogwirizira, zomwe ndi 1500mm, 1000mm, ndi 500mm apamwamba kuposa ma board a scafold, ndi masikono okhazikika pa ntchito.
Post Nthawi: Feb-21-2020