I.S. EN 12056-4:2000
Current
The latest, up-to-date edition.
GRAVITY DRAINAGE SYSTEMS INSIDE BUILDINGS - PART 4: WASTEWATER LIFTING PLANTS - LAYOUT AND CALCULATION
Hardcopy , PDF
English
01-01-2000
For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.
Only cited Standards give presumption of conformance to New Approach Directives/Regulations.
Foreword
1 Scope
2 Normative references
3 Definitions, symbols, units and designation
3.1 Definitions
3.1.1 Wastewater lifting plant
3.1.2 Backflow
3.1.3 Flood level
3.1.4 Backflow loop
3.1.5 Duty flow, V[p]
3.1.6 Discharge head, H[p]
3.1.7 Collection tank for wastewater
containing faecal matter
3.1.8 Useful volume
3.2 Symbols
4 Protection against backflow
5 Installation
5.1 General requirements
5.2 Pipework
5.3 Ventilation
5.4 Drains
5.5 Electrical connections
6 Selection of wastewater lifting plants
6.1 Determination of flow, Q[p]
6.2 Determination of head, H[p]
6.2.1 Calculation procedure for head, H[p]
6.2.2 Static head, H[geo]
6.2.3 Losses in valves and fittings, H[V,A]
6.2.4 Friction losses in discharge pipework,
H[V,R]
6.3 Determination of useful volume, V
7 Commissioning
8 Inspection and maintenance
8.1 Inspection
8.2 Maintenance
8.3 Maintenance contract
Annex A (informative)
Bibliography
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