Backfill (number: 010103).
Backfilling includes items such as backfill and remaining disposal.
1.Quantity calculation rules.
2.Related Notes:
1) Fill density requirements, in the absence of special requirements, the project characteristics can be described as meeting the requirements of the design and specifications.
2) The variety of filling materials can not be described, but it should be indicated that the bidder can only fill in after inspection according to the design requirements, and meet the requirements of the quality specifications of the relevant project.
3) Fill particle size requirements, in the absence of special requirements, the project characteristics can not be described.
4) If you need to buy soil and backfill, it should be described in the project characteristics filler**, and indicate the quantity of earthwork to be purchased.
Foundation treatment and slope support works (No. 0102).
Foundation treatment and slope support engineering includes foundation treatment, foundation pit and slope support.
a) Foundation treatment (No. 010201).
Foundation treatment includes replacement of cushion, laying of geosynthetics, pre-compacted foundation, strong compaction foundation, vibro compaction (no filler), vibro pile (filler), sand and gravel pile, cement fly ash gravel pile, deep mixing pile, powder spraying pile, tamping cement soil pile, high-pressure jet grouting pile, lime pile, ash (soil) compacted pile, column hammer punching and expanding pile, grouting foundation, mattress and other projects.
2.Related Notes:
1) The description of the stratigraphic conditions in the project characteristics is shown in Table 53.2 and Table 53.6. Provisions, and according to the geotechnical engineering survey report according to the proportion of each stratum of the unit project (including the range value) to describe or list items separately, the stratum conditions that cannot be accurately described can be indicated by the bidder according to the geotechnical engineering survey report at their own discretion**.
2) The pile length in the project characteristics should cover the pile tip, the length of the empty pile, the depth of the hole, and the length of the pileThe hole depth is the depth from the natural ground to the bottom of the designed pile
3) The types of high-pressure jet grouting include rotary spraying, pendulum spraying, and fixed spraying, and the high-pressure jet grouting methods include single-pipe method, double-pipe method, and triple pipe method.
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