Saturday, 30 June 2018

What is Trap ,Location and Function of Trap || wastewater-Building Drainage ||

TRAPS:- 

                  A trap is a sanitary fitting provided at the end of a soil pipe or waste pipe to prevent the passage of foul gases through it.The efficiency and effectiveness of a trap depends upon the depth of water seal maintained by trap. This water seal generally varies from 25 mm to 75 mm.

FUNCTION:-

                          In a drainage system , the function of a trap is to prevent the passage of foul gases through it. But at the same time it allows the sewage to flow through it. Thus, the installation of a trap avoid the nuisance.

LOCATION:-

                        The trap are located in the following manner:

1)Gully Trap:

                          This trap is provided at the junction of a room or roof drain and the other drain coming from bathrooms,kitchens etc.

2)Floor Trap:

                       These trap are generally placed in the floor of rooms ,kitchens,sinks,bathrooms etc to admit waste water into the waste pipe.

3)Intercepting Trap:

                                  An intercepting trap is often provided at the junction of a house sewer and a municipal sewer.

4)Master Trap:

                           This trap is provided at the water closet.

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