Engineering Utilities 2: Plumbing Design

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Questions and Answers

What percentage of the final grade is attributed to the major exam?

25%

60%

45% (correct)

35%

Which plumbing system is primarily concerned with the removal of wastewater?

Life safety system

Drainage-Waste-Vent (DWV) system (correct)

Building water system

Acoustic and building conveying system

What does the term 'Plumbarius' refer to in ancient Rome?

A skilled individual in sanitation (correct)

An ancient water supply system

A plumbing installation method

A type of plumbing material

How did Roman civilization influence modern plumbing?

They elevated daily bathing and created aqueducts for water supply. Signup and view all the answers

What was a significant barrier to plumbing installations in the Philippines before the 1940s?

High cost making it a luxury for the wealthy Signup and view all the answers

What is the primary function of plumbing in buildings?

To safely convey water and dispose of waste Signup and view all the answers

What is the role of attendance in the overall grading system?

5% Signup and view all the answers

Which ancient material was favored for plumbing due to its properties of malleability and acid resistance?

Lead Signup and view all the answers

What must be prevented from entering the building drainage system?

Substances that can clog the pipes Signup and view all the answers

What is required to protect food and water from contamination?

Indirect connection to sewer Signup and view all the answers

Where should water closets not be located?

In poorly lit and ventilated compartments Signup and view all the answers

What should be done if there is no sewer nearby?

Implement an accepted sewage treatment method Signup and view all the answers

How should plumbing systems be maintained?

By Registered Master Plumbers Signup and view all the answers

What is a necessary consideration when installing plumbing?

Preservation of structural strength Signup and view all the answers

What cannot be discharged into surface or subsurface waters without treatment?

Sewage that may be harmful Signup and view all the answers

What systems help to supply water to various parts of a building?

Plumbing systems Signup and view all the answers

What method was commonly used to provided water in rural households lacking efficient water systems?

Bamboo pipes and animal-drawn carts Signup and view all the answers

How was water perceived in terms of safety for consumption during earlier times?

If it was visibly clear Signup and view all the answers

What was a common waste disposal practice among households that could not afford plumbing?

Excreting in secluded places or bodies of water Signup and view all the answers

What was the early design of toilets in rural areas mainly composed of?

Simple pits covered with natural materials Signup and view all the answers

What is one primary goal of a professionally designed plumbing plan?

To minimize adverse impacts and future problems Signup and view all the answers

According to the Plumbing Code of the Philippines, what is required for all premises intended for human use?

A supply of pure and wholesome water Signup and view all the answers

Which of the following hazards should water supplies be free from, according to plumbing regulations?

Backflow and back-siphonage Signup and view all the answers

What was a common misconception regarding health issues related to water quality in earlier times?

Digestive disorders were often attributed to evil spirits Signup and view all the answers

What does the acronym DWV stand for in drainage installation?

Drainage, Waste, Ventilation Signup and view all the answers

What does the waste pipe specifically carry?

Liquid waste Signup and view all the answers

Which of the following best describes an air gap?

A vertical distance between a water source and a receptacle's flood level rim Signup and view all the answers

What defines back siphonage?

Contaminated water flowing into potable supply due to negative pressure Signup and view all the answers

What is the purpose of a branch vent?

To vent gases from one or more individual vents to a main vent stack Signup and view all the answers

What does the term 'circuit vent' refer to?

A vent that serves multiple traps and connects to a vent stack Signup and view all the answers

Which term is synonymous with faucet?

BIB Signup and view all the answers

What is meant by 'branch interval' in plumbing terminology?

The length of a soil or waste stack corresponding to storey height Signup and view all the answers

What is the primary function of a sanitary sewer?

To receive and transport sanitary sewage and industrial wastes Signup and view all the answers

Which description best defines a trap seal?

The depth of liquid held in a trap to prevent backflow of air Signup and view all the answers

What does a water distributing pipe do?

It conveys water from the water supply to various plumbing fixtures Signup and view all the answers

Which of the following is included in a water supply system?

The network of water pipes connecting a water source to the building Signup and view all the answers

What is a wet vent?

A vent that directly receives wastewater from water closets Signup and view all the answers

Study Notes

Grading System

Cut-off for passing is 60%.
Breakdown of total score:
- Attendance: 5%
- Seatwork: 15%
- Quizzes/Projects: 35%
- Major Exam: 45%

Course Outline

Lesson 1: Introduction
Lesson 2: Plumbing Materials, Fittings, and Fixtures
Lesson 3: Building Water System and Design
Lesson 4: Drainage-Waste-Vent (DWV) System
Lesson 5: Life Safety System in Building
Lesson 6: Acoustic and Building Conveying System

History of Plumbing

Plumbing is the art and science of installing pipes for water supply and wastewater disposal.
The Greco-Roman civilization significantly advanced plumbing practices.
Romans developed the aqueduct, showcasing engineering skill and emphasizing hygienic water supply.
The term "plumber" originates from "Plumbarius" (Latin for lead), referring to sanitation workers in ancient Rome.

Plumbing in the Philippines

Prior to the 1940s, plumbing was viewed as a luxury and scarce among lower socio-economic classes.
Rural households utilized indigenous methods for water supply and waste disposal, often neglecting sanitation risks.
Water sources included rain, springs, wells, rivers, conveyed through bamboo or carried manually.
There was an absence of water purity testing, leading to health issues related to contaminated water.

Waste Disposal

Many relied on inadequate waste disposal methods, excreting in natural areas.
Early plumbing solutions were basic, with toilets often being simple pits covered with materials like coconut trunks.

Plumbing Design

Effective plumbing plans detail drains, supply lines, vent pipes, and fixtures to prevent future issues.
Republic Act No. 1378 regulates the trade of master plumbers in the Philippines.

Basic Principles of the Plumbing Code of the Philippines

Principle 1: Access to pure water is mandatory for all habitations.
Principle 14: Prevent substances that can clog pipes or harm sewage disposal processes.
Principle 15: Protect against backflow contamination.
Principle 19: Maintenance must be done by Registered Master Plumbers.
Principle 22: Waste should not enter water bodies without proper treatment.

Plumbing Objectives

Ensure efficient water supply and sanitation in buildings.
Provide sufficient water to all fixtures while preventing backflow.

Drainage System

Two types of waste: solid (from water closets) and liquid (from various fixtures).
Soil pipe: carries solid waste; waste pipe: carries liquid waste.
DWV stands for Drainage of Solid waste, Waste Pipe for liquid waste, and Ventilation System.

Common Plumbing Terminologies

Air Gap: Vertical space between a water supply and receptacle to prevent contamination.
Backflow: Reversal of water flow into the potable supply.
Sanitary Sewer: Designed to receive sanitary sewage and not surface or storm water.
Trap: Device creating a liquid seal to prevent sewer gas backflow.

Plumbing Components

Water Service Pipe: From main supply to building.
Water Distributing Pipe: Conveys water to fixtures.
Wet Vent: Receives waste discharge, excluding water closets.

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Description

This quiz covers essential concepts in Plumbing Design as outlined in the Engineering Utilities 2 course led by Engr. Ronie Piedad. Prepare to test your knowledge on grading systems, raw scores, and course outlines that are crucial for your understanding of plumbing engineering.