Standard Specifications For Road Works In Tanzania
series 1000 general series 2000 series 3000 series 4000 series 5000 series 6000 series 7000 drainage earthworks and pavement layers of gravel or crushed stone bituminous layers and seals ancillary roadworks structures tolerances, testing and quality control appendices the united republic of tanzania, ministry of w orks page 1000 - 1 series 1000 -
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