LY/T 1990-2011Forest engineering--Design guidelines for equipment systems (English PDF)

5.1 Planning stage

5.1.1 Analysis of equipment requirements

The equipment system requirements analysis may include.

a) Design goals and tasks;

b) Analysis of the current status of equipment at home and abroad;

c) The regional economy, ecological environment, natural conditions, transportation, mountain topography, operation objects, installation Analysis of the status quo of relevant equipment resources available in the preparation market;

d) Analysis of the basic situation of the organization and operation of the equipment organization.

5.1.2 Analysis and confirmation of related information

Analysis and confirmation of relevant information may include.

a) Compliance analysis;

b) Analysis of current situation at home and abroad.

5.1.3 Suggestions for equipment system

The equipment system proposal can mainly include equipment type selection, basic combination, and rough investment..

5.1.4 Preparation of feasibility study report

5.1.4.1 The main content of the feasibility study report the feasibility study report mainly includes.

a) The purpose and significance of the feasibility study;

b) The basic content of the feasibility study, including.

1) General;

2) Analysis of the status quo of the operating area's social economy, natural conditions, ecological environment, and transportation;

3) Analysis of domestic and foreign equipment systems and their status quo and development trends;

4) Comparison and analysis of basic design schemes of equipment system;

5) Feasibility analysis of equipment system design scheme;

6) Determination and conclusion of equipment system design plan;

7) Environmental protection analysis;

8) Investment budget and effect analysis;

9) Feasibility conclusion

10) Attachments, attached tables and drawings.

5.1.4.2 Requirements of the feasibility study report

The feasibility study report should meet the following requirements.

a) The source of information is reliable and time-sensitive;

b) The forest engineering project overview, the natural conditions of the operation area, and the ecological environment are objectively analyzed;

c) The schemes are compared and selected scientifically, and the demonstration is sufficient, and they meet the requirements of ecological construction and environmental protection;

d) Benefit analysis seeks truth from facts;

e) The investment estimate is reasonable.

5.2 Equipment system combination design stage

5.2.1 Function and functional decomposition

The function and function decomposition procedure are.

a) Determine the operation process according to the project goal;

b) Determine the operating process system and its functions according to the operating technology;

c) Decompose process system functions into sub-system functions, subsystem functions, and unit process functions.

See Fig. 2 for the process system of nursery operation, see Fig. 3 for the reforestation process system of site renewal, and Fig. 3 for the process system of forest harvesting operation.

Soil management, seedling cultivation, seedling management, seedling out of the nursery

5.2.2 Selection and combination of equipment

The selection and combination of equipment are.

a) Determine the unit equipment, sub-system equipment combination, and sub-system equipment according to the unit process function, subsystem function, and sub-system function.

Equipment combination and system equipment combination;

b) Calculate the power and connectivity of the equipment combination, and initially determine the equipment system combination.

5.2.3 Determination of equipment system combination

Perform a feasibility analysis on the initially determined equipment system combination, and finally determine the equipment system combination.

5.2.4 Design of self-made equipment

The design of self-made equipment is carried out according to the procedure of product design. The design of self-made equipment should include the establishment of the structure and performance parameters of self-made equipment.

number.

5.3 Preparation stage of equipment system design documents

The preparation of equipment system design documents may include.

a) Preparation of equipment system design specification;

b) Preparation of equipment system equipment schedule;

c) Preparation of equipment system implementation documents;

d) Prepare investment estimates for equipment systems.

5.4 Comprehensive evaluation stage of equipment system design

5.4.1 Seedling engineering equipment system

The comprehensive evaluation in the design of the nursery engineering equipment system can include the following.

a) The rationality of the analysis of the operation process of the seedling project;

b) Normative analysis of the status quo of the work area;

c) The standardization of equipment system design procedures;

d) Equipment system process capability evaluation, mainly including soil management operation quality, seedling cultivation operation quality, seedling management operation quality, Evaluation of nursery stock operation quality;

e) Equipment system production capacity evaluation, mainly including the evaluation of the production efficiency of various operations and the coordination between equipment;

f) Safety evaluation;

g) Evaluation of the comprehensive benefits of the equipment system, including the investment and operating cost evaluation of the equipment system, and the evaluation of the effect on the ecological environment, and the evaluation of the advancement, reliability, and ease of maintenance of the equipment system.

5.4.2 Afforestation engineering equipment system

The content of the comprehensive evaluation of the design structure of afforestation engineering equipment system may include.

a) The rationality of the analysis of the afforestation engineering process flow;

b) The standardization of the ecological environment analysis of the operation area;

c) The standardization of equipment system design procedures;

d) Process capability evaluation of the equipment system, mainly including the quality of ground preparation operations, the quality of seedling treatment and planting operations, and the quality of tending management and protection operations.

Assessment of the quantity and quality of forest land cleaning operations;

e) Evaluation of production capacity of equipment system, mainly including land preparation operations, planting operations, tending management and protection operations, and forest land cleaning operations Efficiency evaluation;

f) Evaluation of the comprehensive benefits of the equipment system, including the effects of land preparation operations, tending management and protection operations, and forest clearing operations on the ecological environment Evaluation, and evaluation of equipment system investment, operating cost, advancement, reliability, safety, and ease of maintenance.

5.4.3 Forest harvesting engineering equipment system

The comprehensive evaluation content of the structure design of forest cutting engineering equipment system may include.

a) The rationality of the analysis of the operation process of the forest logging project;

b) The standardization of the ecological environment analysis in the cutting area;

c) The standardization of equipment system design procedures;

d) The process capability evaluation of the equipment system, which mainly includes the quality evaluation of operations such as logging, branching, lumbering, skidding, packing, clearing, etc.;

e) Equipment system production capacity evaluation, mainly including the production efficiency of logging, skidding, and assembly operations and the coordination evaluation of various operations price;

f) The comprehensive benefit evaluation of the equipment system, mainly including the evaluation of the ecosystem function of logging and skidding operations, and the investment of equipment system Evaluation of capital, operating cost, advancement, reliability, safety, and ease of maintenance.

5.5 Trial operation phase

During the trial operation phase, the following should be monitored.

a) The connectivity, coordination, applicability and effectiveness of the equipment system;

b) Operation quality and efficiency of the equipment system;

c) The reliability and safety of the equipment system;

d) Ecosystem role of equipment system;

e) Energy consumption and emissions of the equipment system;

f) Equipment adjustment or re-selection plan factors.

Appendix A

(Informative appendix) Classification of seedling engineering equipment system Appendix B (Informative appendix) Classification of afforestation engineering equipment systems Appendix C (Informative appendix) Classification of Forest Harvesting Engineering Equipment System