Mkpuchi igwe mmadụA na-arụ ọrụ maka owuwu na iji ọha na eze mee ihe. The manhole nke nwere free na mkpuchi na / ma ọ bụ grating.Ihe mkpuchi olulu nwere ike ichekwa nchekwa nke ndị ji ụkwụ na ụgbọ ala, ma nwee ike igbochi mmiri ozuzo na mmiri mmiri ndị ọzọ ịbanye.Ihe mkpuchi olulu mmiri ga-adị ire ụtọ na enweghị oghere ájá, olulu, mgbagha ma ọ bụ ntụpọ ọ bụla ọzọ.
Mkpuchi: Black bitumen onye ọ bụla nwere oke na oke 3mm
Ọkwa: AA1900KN, AA2 600KN, A1 400KN, A2 230KN, B 125KN, C30KN
Ihe nkedo nke griiz igwe nke igwe C/W dị arọ, akpa isi & ihe mgbochi aluminom.
Oge nzipu: Mar-14-2022