UTIL 1- WEEK 3

• Plumbing


  The basics of plumbing and sanitary system and how it works
• Plumbing Code of the Philippines


  The principles and their applications
• Module Overview


  • Introduces the basics of plumbing and sanitary system and how it works
  • Introduces the plumbing practice and the Plumbing Code of the Philippines
• Learning Outcomes


  • Define plumbing and Identify its basic components
  • Discuss the history of plumbing in the Philippines
  • Understand the principles of the National Plumbing Code of the Philippines and their applications
  • Explain the properties of water and how the Water Cycle works
  • Identify different water sources and treatment and their applications
• This module serves as an introductory lesson that reinforces the succeeding modules
• Module Learning Materials


  • Lecture Notes
  • PPT Presentation
  • Video Clips
  • Additional Readings and Materials
• The module will last for 2 weeks (2nd and 3rd Week) with 1 work output to be submitted on the scheduled date
• To complete this module the student shall submit the following: Formative Assessment 1
• Water


  A substance composed of the chemical elements hydrogen and oxygen, and exists in gaseous, liquid, and solid states
• Physical Properties of Water

  • Surface Tension
  • Heat Absorption/Capacity
  • Capillarity
  • Dissolving Ability
• The Water Cycle


  1. Evaporation and Transpiration

  2. Condensation

  3. Precipitation

  4. Runoff and Infiltration
• Sources of Water


  • Rainwater
  • Surface Water
  • Groundwater
• Aquifer


  The rocks that store and transmit groundwater
• Water Contaminants


  • Pathogens
  • Harmful chemicals from human activities
  • Chemicals and minerals from the natural environment
• Methods of Water Purification and Treatment

  1. Aeration

  2. Coagulation-Flocculation

  3. Sedimentation

  4. Filtration

  5. Disinfection/ Chlorination
• Household Water Treatment Systems

  • Point-of-entry systems
  • Point-of-use systems
• Household Water Treatment Methods

  • Chlorination
  • Flocculant/Disinfectant Powder
  • Solar Disinfection
  • Ceramic Filtration
  • Slow Sand Filtration
• Water Quality Problems and Corrections

  • Acidity
  • Hardness
  • Turbidity
  • Color
  • Pollution
• Objectionable Elements in Water

  • Calcium, Magnesium
  • Sulfur
  • Salt
  • Iron
  • Pathogenic germs
  • Acid
  • Algae
• Methods of Treating Objectionable Elements

  • Carbon Dioxide, Hydrogen Sulfide
  • Suspended Material
  • Bacteria
  • Calcium and Magnesium
  • Iron
  • Sulfur
  • Pathogenic Germs
  • Acid
• Water Demand Requirements


  • Drinking, Cooking, Dishwashing
  • Personal Washing and Domestic Cleaning
  • Laundry
  • Fire Fighting
  • Swimming
  • Boilers and Heating Plants
  • Irrigation