Construction of the MG section with the development of a railway crossing

Introduction. 4

1 Characteristics of the object and the area of construction. 6

1.1 Characteristics of the construction object. 6

1.2 Characteristics of the construction area. 7

1.2.1 Administrative Regulation. 7

1.2.2 Climatic characteristics of the construction area. 9

1.2.3 Hydrogeological conditions of work. 10

1.2.4 Engineering and geological structure. 11

2 Organization of construction. 13

2.1 Organization of design work in pipeline construction. 13

2.2 General Provisions for Construction Works. 16

2.3 Engineering training requirements. 18

2.4 Preparatory period. 19

2.5 Organization of production control. Supervision of construction. 20

4 Construction technology. 53

4.1 General. 53

4.2 Requirements for the production of works. 55

4.3 Loading and unloading operations.  57

4.4 Earthworks..  61

4.4.1 Parameters of the pits under development. 61

4.4.2 Parameters of the trenches under development. 62

4.4.3 Selection of earth-moving equipment. 62

4.4.4 Trench development and backfilling. 62

4.4.4.1 Trench development with a single-bucket excavator. 64

4.4.4.2 Backfilling the trench. 64

4.5 Gasket of protective case. 66

4.6 Welding and installation works..  68

4.7 Insulation works..  75

4.8 Dragging a working whip into a protective case. 80

4.9 Hydraulic testing of the oil pipeline. 81

4.10 Electrochemical protection. 83

4.10  Quality control of construction. 84

4.10.1 Types of quality control. 84

4.10.2 Geodetic control. 85

4.10.3 Input quality control of materials. 86

4.10.4 Operational control. 87

4.10.5 Intermediate acceptance of erected building structures. 90

Conclusion. 91

Sources