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WebThe type and grade of bitumen used shall be recorded. The composition and grading of the construction material, including bitumen content, should be recorded. ... Where DBM is to be laid over the WMM surface, Prime coat shall be applied over the granular surface before laying DBM following provisions of clause 502 of MORTH. WebAug 15, 2024 · The thickness of single layer shall be 50mm to 100mm as per MORTH specification. According to MORTH 5th rev. Table 500-10 , There are Two grading are specified for DBM construction (1) DBM … shumaila ansari fashion designer
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