1.Type 321 ígwè akwa akwa akwa nwere obosara doro anya nke 990, ogologo mita 3, na ịdị elu nke 105 mm;
2.The 200-ụdị ígwè akwa akwa nwere a doro anya obosara nke 1050 na ogologo nke 3.048 mita. N'ihi na akwa akwa akwa nke ụdị 200 chọrọ nnukwu ibu ibu, ịdị elu ya ruru 140mm, nke dị elu karịa ụdị akwa akwa 321.
Ụdị ngwaahịa
Ọdịdị ngwaahịa
Ngwongwo ọla maka akwa akwa akwa, a na-etinye mkpuchi trenchi dị arọ n'okporo ụzọ, ụzọ ụgbọ ala, ogige wdg; eji dị ka ihe mkpuchi maka olulu mmiri mmiri, olulu waya, ụzọ ụgbọ oloko, na olulu ikuku, a na-eji ọkụ na-ekpo ọkụ-galvanizing emecha mee ihe dị ka antiseptik. Ihe mejupụtara mkpuchi trenchi grating bụ nke etinyere fremu & grating nke mbughari. Enwere ike kewaa ya ka ọ bụrụ Ụdị T, U na M dịka nhazi.
Uru ngwaahịa
1.Light arọ, nnukwu ibu-ebu ikike
2. siri ike na inogide
3.dị mfe ihicha
4.ihe-akụnụba
5.mma mma.
6.dị mfe ịwụnye
Ngwa ngwaahịa
A na-eji ihe ọkụkụ dị iche iche eme ihe dị ka: ike eletrik, mmanụ ala, ụlọ ọrụ kemịkalụ, ụlọ ọrụ ọla, ụlọ ọrụ igwe, ụlọ ụgbọ mmiri, ọdụ ụgbọ mmiri, injinia oceanographic, ụlọ, igwe mpempe akwụkwọ, osisi ciment, ọgwụ, ịgba ígwè na ịkwa akwa, ụlọ ọrụ nri, ụgbọ njem. , ime obodo, nchịkwa, ebe a na-adọba ụgbọala wdg.
Enwere ike itinye grating ígwè n'elu ikpo okwu, ala, ụzọ ije, steepụ steepụ, trestle, fencing, drainage, trenchi cover, olulu mkpuchi, elu ụlọ kwụsịrị, ventilates na ìhè site na akụrụngwa, wdg.
