Lintho tseo re li hahamallang ka ho sa feleng ke boikutlo ba "ho nka 'maraka, ho nka moetlo, ho nka saense" le khopolo-taba ea "boleng ba motheo, ho tšepa ba pele le tsamaiso e tsoetseng pele" bakeng sa Moetsi ea ka Sehloohong oa Galvanized Steel Highway W-Beam Guardrail e Theko e Tlase ho Bafani ba Chaena, Sepheo sa rona ke ho nolofatsa ho hlahisa likamano tse tšoarellang nako e telele le bareki ba hau ka matla a litharollo tsa papatso.
Lintho tseo re li hahamallang ka ho sa feleng ke boikutlo ba "ho nka 'maraka, ho nka moetlo, ho nka saense" le khopolo-taba ea "boleng ba motheo, ho tšepa ba pele le tsamaiso e tsoetseng pele" bakeng saSerethe sa Galvanized, Setšireletso sa TšepeKa boqapi bo tsoelang pele, re tla u fa lintho le lits'ebeletso tsa bohlokoa haholoanyane, 'me re tla kenya letsoho nts'etsopele ea indasteri ea likoloi lapeng le kantle ho naha. Barekisi ba lehae le ba kantle ho naha ba amoheloa ka matla ho ikopanya le rona ho hola hammoho.
Re etsa lireile tsa litsela tse kholo ho latela Maemo a latelang:
A. GB/T31439-2015 (Mabala a Tšepe ea Lesela a Sesepa Bakeng sa Tebelo ea Tsela e Potlakileng – Chaena)
B. AASHTO-M180 (Mabala a Tšepe ea Lesela a Sesepa Bakeng sa Tebelo ea Tsela e Kholo – USA)
C. AS/NZS 3845:1999 (Mekhoa ea Litšitiso tsa Polokeho ea Litsela – Australia/New Zealand)
D. EN-1317 (Mekhoa ea Thibelo ea Litsela - Europe)
E. Kapa iketsetsa ho latela litlhoko tsa moreki
1) Boholo bo Tloaelehileng: 4320mm*506mm*85mm, 3820mm*506mm*85mm, 3320mm*506mm*85mm, 2820mm*506mm*85mm, 2320mm*506mm*85mm, kapa ho latela tlhoko ea bareki
2) Thepa: S235, S275, S355, kapa ho latela tlhoko ea bareki
3) Botenya ba tšepe ea motheo: 3mm, 4mm, kapa ho latela tlhoko ea bareki
4) Kalafo ea Bokaholimo: Ho qoelisoa ka mocheso o chesang
5) Botenya ba sekoahelo sa zinki: 600g/m2, 84 um, kapa ho latela tlhoko ea bareki
6) Maemo: GB/T31439.2-2015
7) Tšebeliso: Tsela e kholo, Litsela tsa maemo a holimo.

Seteishene sa tšireletso se lebelo le phahameng se monya matla a ho thulana ka ho sebelisa ho fetoha ha motheo oa mobu, likholomo le lehlaseli, 'me se qobella likoloi tse balehang ho fetola tsela le ho khutlela tseleng e tloaelehileng ea ho khanna, kahoo se thibela likoloi ho tsoa ka potlako tseleng, se sireletsa likoloi le bapalami le ho fokotsa tahlehelo e bakoang ke likotsi.

Li-guardrail tsa W tse nang le mahlakore a lebelo le phahameng li sebelisoa haholo mererong ea Highway Guardrails. Li-guardrail tsa lebelo le phahameng li monya matla a ho thulana ka ho sebelisa phetoho ea motheo oa mobu, kholomo le lehlakore, 'me li qobella likoloi tse balehang ho fetola tsela le ho khutlela tseleng e tloaelehileng ea ho khanna, kahoo li thibela likoloi ho tsoa ka potlako tseleng, li sireletsa likoloi le bapalami le ho fokotsa tahlehelo e bakoang ke likotsi. Lintho tseo re li hahamallang ka ho sa feleng ke boikutlo ba "ho nka 'maraka ka potlako, ho nka moetlo, ho nka saense" le khopolo-taba ea "boleng ba motheo, tšepa ea pele le tsamaiso e tsoetseng pele" bakeng sa Moetsi ea ka Sehloohong bakeng sa Galvanized Steel Highway W-Beam Guardrail e theko e tlaase ho tsoa ho Bafani ba Chaena, Sepheo sa rona ke ho etsa hore ho be bonolo ho hlahisa likamano tse tšoarellang nako e telele le bareki ba hau ka matla a litharollo tsa papatso.
Moetsi ea ka Sehloohong oa Chaena Guardrail ea Tšepe, Galvanized Guardrail, Ka boqapi bo tsoelang pele, re tla u fa lintho le lits'ebeletso tsa bohlokoa haholoanyane, 'me hape re tla kenya letsoho nts'etsopele ea indasteri ea likoloi lapeng le kantle ho naha. Barekisi ba malapeng le ba kantle ho naha ba amoheloa ka matla ho ikopanya le rona ho hola hammoho.