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Both are surface courses but the application is different. BC is suitable for major roads and SDBC is used for less important roads or isolated roads or village-to-village connectivity roads. SDBC’s usage is almost zero. Min thick of BC is 30 mm and in the case of SDBC, it is 25 mm.
Both are surface courses but the application is different. BC is suitable for major roads and SDBC is used for less important roads or isolated roads or village-to-village connectivity roads. SDBC’s usage is almost zero. Min thick of BC is 30 mm and in the case of SDBC, it is 25 mm.
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