Consumption quota of prefabricated buildings?

In order to implement the development concept of innovation, coordination, green, openness and enjoyment, promote the innovation of construction methods, promote the transformation of traditional construction methods to modern industrialized construction methods, meet the valuation needs of prefabricated buildings, reasonably determine and effectively control their engineering costs, and formulate the consumption quota of prefabricated buildings according to relevant norms, regulations and standards. The following is an introduction to the main contents of Consumption Quota of Prefabricated Buildings brought by Zhong Da Consulting for your reference.

This quota is applicable to the construction projects with standardized design, industrialized production and assembled construction according to the Evaluation Standard for Industrialized Buildings (GB/T 5129-2015).

This quota is the consumption standard of labor, materials and construction machinery required to complete the partial items and measures of the specified measurement unit, and it is the basis for the engineering cost management institutions of all regions and departments to prepare the construction project quota to determine the consumption, and to prepare the investment estimate, design budget estimate and the highest bid price limit (pre-tender estimate) of state-owned investment projects.

This quota is a supplement to the current Consumption Quota for Building Construction and Decoration Engineering (TY01-31-2015). This quota only includes related quota items that meet the characteristics of prefabricated buildings. For projects adopting traditional construction technology in prefabricated buildings, the corresponding items and regulations in the Consumption Quota of Building Construction and Decoration Engineering shall be implemented according to the relevant instructions in this quota.

This quota includes four chapters: precast concrete structure engineering, precast steel structure engineering, building components engineering and measures project.

This quota is compiled according to the current code for acceptance of prefabricated building engineering and construction, quality evaluation standards and safety operation procedures, normal construction conditions, reasonable labor organization and time limit for a project, and the construction methods and mechanization adopted by most domestic construction enterprises at this stage.

About the labor force:

1. The labor in this quota is expressed in total labor days, and the labor-day consumption of ordinary workers, ordinary technicians and senior technicians is listed respectively.

2. The labor in this quota includes basic labor, long-distance labor, auxiliary labor and labor grade difference.

3. The working days of this quota are calculated according to the 8-hour working system.

About materials:

1. The materials used in this quota (including components, parts, semi-finished products and finished products) are all qualified products that meet the national quality standards and corresponding design requirements.

2. The materials in this quota include main materials, auxiliary materials, turnover materials and other materials consumed in construction.

3. The material consumption in this quota includes net consumption and loss. Losses include: transportation loss on the construction site, construction operation loss, stacking loss on the construction site, etc. From on-site warehouse, on-site centralized stacking place (or on-site processing place) to operation (or installation) place, the reserved amount and overlapping amount specified in the specification (design document) are not considered.

4. All kinds of prefabricated components in the quota are compiled according to the on-site installation of finished components.

5. Mortar used in this quota is prepared by dry-mixed ready-mixed mortar. If fresh mortar or wet-mixed ready-mixed mortar is actually used, it should be adjusted according to the following methods:

(1) If fresh mortar is used, in addition to adjusting the dry-mixed ready-mixed mortar in the quota to fresh mortar, the average technical personnel will be increased by 0.382 man-days per cubic meter of mortar, and at the same time, the tank mixer of dry-mixed mortar in the original quota will be adjusted to 200L mortar mixer, with the machine-team content unchanged.

(2) If wet-mixed ready-mixed mortar is used, in addition to adjusting the dry-mixed ready-mixed mortar in the quota to wet-mixed ready-mixed mortar, 0.2 employee days of general technicians per cubic meter of mortar in the corresponding quota shall be deducted, and the number of shifts of tank mixers for dry-mixed mortar shall be deducted.

6. The turnover materials in this quota are compiled according to the amortization amount, including the consumption of returning to the warehouse for maintenance.

7. Sporadic materials with low consumption and low value are classified as other materials.

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