Microsoft Word - lecnote_fm_engineering drawing

Figure 11.5: Manhole/inspection chamber sections ...

Septic tank: it is a watertight chamber for the retention, partial treatment, and discharge for further treatment, of sewage. ...

Figure 11.6: septic tank sections ...

Secondary treatment and disposal of the septic tank effluent: the effluent from the septic tank is disposal off by one of the f ...

Figure 11.8: field in seepage pit sections (b) Drainage trenches: the disposal of the large quantity of effluent from septic tan ...

Figure 11.9: layout plan and sections of effluent disposal ...

Traps: The depression or bend provided in a drainage system, which is always full of water and prevents the entery of foul gase ...

Simple Pit latrines: The simple pit latrine consists of hole in the ground covered by a squatting slab or seat where the user d ...

Ventilated improved pit (VIP) latrine: VIP-latrine; pit latrine with a screened vent pipe and a partially dark interior to the ...

Figure 11.13: VIP latrine plan ...

222 A typical design of a double-compartment septic tank^ Plan X X ...

223 A typical design of a double-com partm ent septic tank s e c t i o n x -x Inlet pipe All dimensions are in cm. Effluent pipe ...

224 Figure: Cross-section of a ty pical household septic tank Sludge Scum Sewage Man-hole Ground level Effluent Tee Ground level ...

Incineration: it is a process of burning the combustible components of garbage and refuse. Disposal of solid waste by incinerat ...

Figure 11.14: on site incinerator section ...

B. Water Projects Domestic rainwater harvesting system A domestic rainwater harvesting system can consist of a collection surf ...

Spring water: are occurrences of groundwater naturally issuing at points where the water table reaches the surface, or where th ...

Figure 11.17: Hand dug water section ...

Review question Draw a model pit latrine (plan, sections, and isometric view) with the following assumed dimensions: Pit – 2m x ...

Bibliography Jenson,Cecil Howard,Engineering drawing and design,1925,4th ed.,Macmillan/McGram-Hill Louis Gary Lamit, Descriptiv ...