House Drainage System

it is a brief introductory part of what is house drainage system , its components with their classification , types of system of plumbing aided with principles of drainage design.

1. Department of civil engineering BHAGWAN MAHAVIR COLLEGE OF ENGINEERING AND TECHNOLOGY

2. Semester : 5 th Civil-A Subject : Code : 2150603 Presentation On : Prepared by : Eddy Ankit Gangani [email protected] House Drainage System Environmental Engineering

3. Introduction Basic Terminology Principles of House Drainage System Components of House Drainage System - Pipes - Traps - Sanitary Fittings System Of Plumbing House Drainage Plan Outline

4. What is House + Drainage + System ? Why House Drainage System is used ? What are the Components of House Drainage System ? Introduction

5. Wastewater Sewage Sewage System Plumbing System Sullage Sewer Soil Pipe Waste Pipe Vent Pipe Manhole Traps Basic Terminology

6. L ay sewers by the side of building Properly ventilated E nough number of traps Watertight joints P roper gradient Flow under Gravity E asy cleaning , repair & maintenance Straight drains Rain water pipe Anti siphonage pipe Principle For Designing House Drainage System

7. Components of house drainage system Traps Pipes Sanitary fittings According to Use P – Trap Q – Trap S - Trap Floor Trap Gully Trap Grease Trap Intercepting Trap According to shape

8. Sanitary fittings Pipes Traps Components of house drainage system Washbasin Sink Bathtub WC Urinal Flushing Cistern Soil Pipe Vent Pipe Waste Pipe Rain Pipe Antisiphonage Pipe

9. P - Trap Q - Trap S - Trap Types of traps according to shape

10. Types of traps according to Use (1) Floor Trap To admit sullage from floors , bathroom , kitchen etc. Material : Cast iron , stainless steel, galvanized gratings No blockage, starting point of waste water flow. A.K.A. “ Nahni Trap”

11. Types of traps according to Use (2) Gully Trap Provided at junction of a roof drain & other drain from kitchen or bath. A gully trap is usually made of stoneware and a C.I. grating is provided at its top. a water seal of 50 to 75 mm

12. Types of traps according to Use (3) Intercepting Trap Provided at junction of a house sewer & municipal sewer or septic tank Provided in the last manhole of the house drainage system To prevent entry of foul gases in the public sewer to house drainage. A.K.A. disconnecting trap or Interceptor trap

13. Types of traps according to Use Advantages & disadvantages Intercepting Trap Restricts entry of foul gases of public sewer line. Harmful pathogens are not entered in house drains. Make access for the cleaning and removal of the debris and garbage Retentions of heavy particles causes decomposition & foul gases are produced Cleaning is difficult Interceptor may be an obstruction If lead or plug is not tightened the foul gases from public sewer will enter the house drain

14. Types of traps according to Use (4) Grease Trap Used where large quantity of oily waste is generated To prevent ugly scum & blockages to re-aeration. It’s a masonry or cast iron chamber with a bent pipe or Tee –pipe at the outlet end

15. Waste Pipe : Pipe carrying sullage Soil Pipe : Pipe carrying sewage Vent pipe : Pipe installed for the purpose of ventilation or to carry foul smell Rain Water Pipe : Pipe carrying rain water Antisiphonage Pipe : Maintains proper ventilation and does not allow the siphonic action to take place Types of Pipes

16. Components of Sanitary fittings Wash Basin Used for washing hands,brush Materials : Porcelain, : Stainless steel, : Plastic Angle Back Pattern Size 600*480mm 400*400mm Flat Back Pattern Size 630*450mm 550*400mm 450*300mm

17. Components of Sanitary fittings (2) Sinks Normally rectangular basin used in kitchen or laboratory for cleaning utensils and glasswares . Made of glazed earthware , stainless steel or enameled pressed steel.

18. Components of Sanitary fittings (3) Bathtubs For long and luxurious bath Made of iron or steel coated with enamel,enameled porcelain or of plastic It is provided with outlets and outflow pipes,usually 40mm diameter. Conventional sizes of bathtub: – Length  1.7 to 1.85 m – Width  0.7 to 0.75 m - Depth  0.6m

19. Components of Sanitary fittings (4) Water Closets designed to receive human excreta directly and convey to the septic tank or underground sewer through a trap Indian Type Europian Type Anglo-Indian Type

20. Components of Sanitary fittings – W.C. (1) Indian Type W.C. – Simple in construction – Used in squatting ( siting ) position. – Made of porcelain – The pan and trap are available as two separate pieces – Closet is setup at the floor level and pair of foot rests are provided on both side of the pan. – The length of pan varies from 450mm to 675 mm and water seal varies from 50mm to 75mm

21. Components of Sanitary fittings – W.C. (2) Europian Type W.C. – Usually made of porcelain – Pan has a flushing rim to spread the flush water – The closet is either fitted with P or S trap. – Can also be used at upper floors, while in case of Indian type W.C. the upper floor has to be depressed to receive the pan fixed at floor level. – The length of pan varies from 500 to 600mm and depth varies from 350mm to 400mm

22. Components of Sanitary fittings – W.C. (3) Anglo-Indian Type W.C. – Main advantage of Indian W.C. is that it can be used in squatting position since it is fixed at floor level. – While in European W.C. which is fixed at about 400mm above floor level can not be conveniently used in squatting position. – Here closet is fixed 400mm above the floor level. – The top flushing rim and seat etc. are similar to European type.

23. Components of Sanitary fittings (4) Urinals Bowl Type Urinals Stall Type Urinals Angle Back Pattern 340*430*265 Flat Back Pattern 430*260*350mm

24. The contents of urinals are collected and discharged in to the soil pipe through floor trap ( nahni trap). Automatic flushing cistern are generally provided for stall type urinals which operates at regular interval of 10 to 15 minutes. • A stall type urinal normally has more than one units, with a centre to centre spacing of 0.6 to 0.7m. • IS 2556 part 6-1992 describes the detailed specifications for the various vitreous urinals Urinals

25. Components of Sanitary fittings Urinals Flushing Cistern Valve less siphonic type (Bell type cistern) Valve fitted siphonic type (A float type)

26. System Of Plumbing • Single stack system • One pipe system • Partially ventilated single stack system • Two pipe system

27. Single stack system System Of Plumbing

28. System Of Plumbing • One pipe system

29. System Of Plumbing • Partially ventilated single stack system

30. System Of Plumbing • Two pipe system.

31. House Drainage Plan

32. A . Q ?? & Q ?

33. T hank Y ou !