Diploma. The water supply system of the village

Contents
Introduction 10
1. The administrative and economic characteristics of the object supply 11
1.1. General information about the object 11
1.2. Natural and climatic conditions 11
1.2.1. Meteorological conditions 11
1.2.2.Geologicheskie conditions 11
1.2.3. Groundwater 11
1.2.4. Relief 12
1.3. For information about the sources of water supply 12
1.3.1. Surface water sources 12
1.3.2. Underground water sources 13
2. Literature review: The problem of deterioration of steel pipes and tubes from the perspectives of the polymeric materials 15
3. Determination of the water demand of the village 27
3.1. Calculation of water demand 27
3.2. Determination of water 33 hours Consumption
4. Feasibility study of the project 36
4.1. The definition of capital investments 37
4.2. Determination of annual operating costs 38
4.3. Determination of reduced costs 43
4.4. Defining the project cost of 1 m3 of water 44
4.5. Determination of profit and payback period 44
4.6. Local estimates 45
5. Design and calculation of the network 47
5.1. The case of maximum water consumption 47
5.2. An hour maximum transit water water tower 49
5.3. The case of maximum water consumption and consumption of water to extinguish the fire 51
5.4. Hydraulic calculation of water supply network 54
5.5. Hydraulic calculation of conduits 54
6. Calculation of the water tower, clean water reservoir and pumping station of lifting II-56
6.1. Determination of the water tower 56
6.2. Calculation of clean water reservoir 58
6.3. The pump station of lifting II 60
6.3.1. Determination of the pressure pump 61
6.3.2. Definition feed pumps 61
7. Calculation of intake structures 65
7.1. Selecting the water intake circuit 65
7.2. The choice of design 65 rainwater facilities
7.3. Hydraulic calculation of intakes 66
7.3.1 .Opredelenie performance intake 66
7.3.2.Opredelenie Square rainwater windows 67
7.3.3. Selection grids 68
7.3.4. Selection of meshes 68
7.3.5. Calculation of gravity line 69
7.3.6. Determination of marks calculated levels of water at the front desk 70 onshore wells
7.3.7. Determination of marks calculated levels of water in the suction compartment 73 onshore wells
7.4. Determining the level of the pump shaft 74
7.5. Selection of pumps I-74 lift
7.6. Construction of water intake 76
8. Calculation of water treatment plants 78
8.1. Determination of the full performance of treatment facilities 78
8.2. Technological scheme of wastewater treatment plants 78
8.3.Harakteristika and design parameters of the main technological equipment 80
8.3.1. The receiving tank aerator 81
8.3.2. Strainer 81
8.3.3. The tubular chamber of flocculation and sedimentation tank 81
8.3.4. Pressure filter 82
8.3.5. Reagent 87
8.3.6. Disinfection 87
9. Sanitary fittings 5-storey apartment building 89
9.1. Calculation of the internal cold water supply of the building 89
9.2. Calculation of the internal hot water supply of the building 94
10. Sustainability of the project. Zones of sanitary protection of water sources 98
11. Security Project 103
11.1. Design of security measures at the organization earthmoving 103
13.2. Calculation of the protective grounding of the pumping station 108
11.3. Measures to ensure the stability of the system in emergency situations 112
12. Flow chart for the construction of a water tower 116
12.1. Baseline 116
12.2. Determining the size of the pit 116
12.3. Determining the volume of excavation 117
12.4. Selection of machines for excavation work 118
12.5. Calculation of vehicles to work with an excavator 120
12.6. Construction and installation work 124
12.7. Determining the actual cost of labor and the necessary number of mashinosmen 127
12.8. Plotting performance and production work 127
12.9. Safety in the production of works 130
Conclusion 135
List of sources used 137
Application