Why is the price difference so large? Is there a problem of repeated calculation?
2 according to the quota of work content, only in the original soil roadbed rolled or compacted backfill roadbed with good artificial leveling roller.
To meet the requirements of doing subbase filling and rolling; including earthwork backfilling, bulldozer, layered rolling to meet the design requirements of the degree of compaction, the smoothness of the road not good.No double counting, for example, road subgrade backfill, backfill compacted well, if you want to do is road subbase, rolling, if it is not just the general fill roadbed RCC.
According to the 2007 edition of the municipal quota, two difference: 1 units of account, is the original roadbed compacted soil compaction, calculation is based on size, and fill in cubic roller is counted;
