\~Thi cong xay I~p: San nSn, xu Iy nSn d~t ySu, thi cong h~ t~ng ky thu~t cac khu do thi, khu cong nghi~p, cac\(jjeDngtri~ ecac h~ thOng pbOng chay
va chua chay; Xay dlJIlg cac cong trinh dan d\lng, cong nghi~p, giao thOng ( dLfOngbQcac c~p, san bay, cang, bSn cang, du), bUll di~n, cac cong t[r]