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3. Practical concepts for pipeline design
It is important to take into account the high demands placed on the network at peak times. To calculate pipe characteristics, weighting coefficients (simultaneity, peak, etc.) are applied to practical unit flows.
3.1 Base flow
The quantities of water required to supply a plant are determined by :
the number of users, which gives the daily consumption ;
the number and capacity of devices used to determine cross-sectional area and flow rate.
Each type of device is characterized by its drawing capacity, known as the basic flow rate, generally measured in liters per second (L/s) and sometimes in cubic meters per hour (m 3...
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Legislation
Law 2006 – 1772 of December 30, 2006 on water and aquatic environments
Health regulations
Regulations
Public Health Code Articles R1321-1 to R1321-66, D1321-67 and D1321-68
Code des collectivités locales – Articles R2224-6 to R2224-22-6
Code de la construction et de l'habitation – Articles L135-1 et R135-1 – Chapter V: Saving water consumption in buildings
Decree no. 2007-49 of January 11, 2007 on the safety of water intended for human consumption...
Standards
- Technical specifications for water installations for human consumption inside buildings – Part 1: General information - NF EN 806-1 - juin 2001
- Technical specifications for water installations for human consumption inside buildings – Part 1: General information - NF EN 806-1/A1 - décembre 2002
- Technical specifications for water installations for human consumption inside buildings – Part 2: Design - NF EN 806-2 -...
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