Technical Study Relating To Construction Work On Two-Layer Tracks In The Following Douars: • Rp4540 In Douar Ouled Khadir. • Rp4540 At Douar Ouled Allali. • Rp4540 At Douar Bni Jmil. Guarantee Required: The Competing B.E.T Must Have, On The Date Of Opening Of The Offers, Certificates Of Approval D4 And D5 Issued By The Ministry Of Equipment And Water Valid On The Date Of Opening Of The Offers.