(1) Ukuphakama kwesihlahla sokuma phansi phansi akufanele kudlule ama-35m. Lapho ukuphakama kuphakathi kuka-35 no-50m, kufanele kuthathwe izinyathelo zokulayisha. Lapho ukuphakama kukhulu kune-50m, kufanele kuthathwe izinyathelo zokulayisha futhi uhlelo olukhethekile kufanele luboniswe ngochwepheshe.
(2) Isisekelo sokuqunjelwa siyoba isicaba, sigcwele, bese ukhonkolo lukhuni. Isisekelo siyoqina ngokhonkolo obukhulu obukhulu be-C25 ngokhonkolo, bese isisekelo noma i-pad sizosethwa ezansi kwesigxobo. Ibhodi elisekelayo lizoba yibhodi lokusekela lokhuni elinobude obungaphansi kwama-2 spans, ubukhulu bokungaphansi kwama-50mm, nobubanzi obungaphansi kuka-200mm.
. Lapho isisekelo se-vertical pole singekho ekuphakameni okufanayo, isigxobo esithe mpo endaweni ephakeme kufanele sinwetshwe endaweni ephansi ngama-spans amabili futhi ahlelwe ngesigxobo.
(4) Izinyathelo zokudonsa amanzi kufanele zibhekwe ngokuthola isisekelo sokuphamba. Ukuphakanyiswa komhlaba ongezansi kwesisekelo sokuphamba kufanele kube ngu-50mm kuphakeme kunalokho kwangaphandle kwemvelo, kanye ne-drainage ditch enesiphambano esinesiphambano esingaphansi kwe-200mm
Isikhathi sePosi: Sep-14-2022