Install Rain Drainage System: 6000 m2 - 9.5 m 6" Pipe Every 10 m

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Discussion Overview

The discussion revolves around the installation of a rain drainage system for a hanger with a total area of 6000 m². Participants explore the design considerations, including pipe dimensions, layout, and rainfall intensity, while addressing the technical aspects of the drainage system.

Discussion Character

  • Technical explanation
  • Debate/contested
  • Mathematical reasoning

Main Points Raised

  • The original poster describes a drainage system design involving a downward 9.5 meter 6" pipe every 10 meters, with a main outlet pipe running horizontally for 150 meters.
  • Some participants seek clarification on the definition of "medium" rainfall and request specific measurements of maximum rainfall intensity.
  • There is a question regarding the linear dimensions of the building and how the pipes are arranged in relation to the building's layout.
  • One participant specifies a maximum rainfall rate of 30 mm per hour, which may influence the design considerations.

Areas of Agreement / Disagreement

Participants express uncertainty about the definition of "medium" rainfall and the specific layout of the drainage system. Multiple views on the adequacy of the proposed design and its assumptions remain unresolved.

Contextual Notes

Limitations include the lack of detailed specifications regarding the building's dimensions in relation to the drainage layout and the need for precise rainfall data to inform the design.

Who May Find This Useful

Individuals involved in civil engineering, construction, or environmental management may find this discussion relevant, particularly those focused on drainage system design and water management in medium rainfall areas.

Osama_boulos
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I have a hanger i need to install rain drainage system, note the rain in the area is medium.

Dual areas total of 6000 m2 will collect water. Each area 3000 m2 will have a downward 9.5 meter 6" pipe every 10 meters and goes horizontally 10 meters for the main outlet pipe. both 3000 m2 area would use the same outlet line. This mean that the main outlet line would collect the water coming from the 6000 m2.

Note I'm considering slope of 2 cm/meter because the total length of the main outlet pipe would be 150 meters.

Please advice regarding the main pipe.
 
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Welcome to PF.

Osama_boulos said:
note the rain in the area is medium
How do you define medium?

You will need to know the absolute maximum rate of rainfall in mm over a period of about one minute.
 
Osama_boulos said:
Each area 3000 m2 will have a downward 9.5 meter 6" pipe every 10 meters
Every 10 metres along what? You have not specified the building linear dimensions, only area.
Does the 150m main outlet run along the centre and is it the same length as the building?
 
Max. 30mm per hour

Every 10 meters, a 6 inches pipe runs down from the ceiling.
the buidling is 40 meters by 150 meter long and yes the line will run out along the hanger
 

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