ДСТУ EN 16932-2:2022 Дренажні та каналізаційні системи поза будівлями. Насосні системи. Частина 2. Системи надлишкового тиску (EN 16932-2:2018, IDT)



ДСТУ EN 16932-2:2022
(EN 16932-2:2018, IDT)

Дренажні та каналізаційні системи поза будівлями. Насосні системи. Частина 2. Системи надлишкового тиску

 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

1 Scope

2 Normative references

3 Terms and definitions

4 Symbols and units

5 General

6 Planning of positive pressure systems

6.1 Type of pumping station

6.1.1 Introduction

6.1.2 Pumping stations with submersible pumps

6.1.3 Pumping stations with dry installed pumps

6.1.4 Other types of pumping stations

6.2 Selection of type of pumping station

6.3 Route and profile of rising mains

7 Hydraulic design of pumping systems

7.1 Introduction

7.2 Establish inflow rates

7.2.1 Foul wastewater pumping stations

7.2.2 Surface water pumping installations

7.2.3 Combined sewer pumping stations

7.3 Select desired pump flow rates

7.4 Dimensioning collection tank

7.5 Select rising main diameter

7.5.1 Pumping stations

7.5.2 Pressure sewer systems

7.6 Retention period

7.7 Calculation of system characteristics

7.7.1 System head calculation

7.7.2 Pressure sewer systems

7.8 Selection of pump units and duty points

7.9 Check pressure transients (waterhammer)

8 Detailed design of pumping stations

8.1 General

8.2 Layout

8.3 Collection tank

8.4 Pump units

8.4.1 Pumps

8.4.2 Air compressor units

8.5 Controls and electrical equipment and instrumentation

9 Septicity

9.1 General

9.2 Control of septicity

9.2.1 General

9.2.2 Limiting retention period

9.2.3 Air flushing

9.2.4 Chemical treatment

9.2.5 Hydrogen sulphide stripping

9.2.6 Dilution of the septic wastewater in fresh wastewater

10 Testing and verification

10.1 Pumping stations

10.2 Rising mains

10.3 Commissioning

11 Operation and maintenance manual

Bibliography