NPCP Part 1

Friar Engineers

Engineers in the Philippines who incorporated European standards in plumbing installations

Plumbing Code

Regulations governing plumbing practices and installations

Master Plumber

Skilled plumber recognized for expertise in plumbing systems

NAMPAP

National Master Plumbers Association of the Philippines

Cholera

An infectious disease causing severe watery diarrhea

Plumbing Law

Legislation regulating the practice of plumbing in the Philippines

Health and Hygiene

Prioritized due to epidemics like cholera and leprosy

Plumbing Engineering Curriculum

Approved program for training plumbing engineers

Asbestos-Cement Pipe

Approved plumbing material included in the National Plumbing Code

Building Code of the Philippines

Regulatory code for construction practices in the country

National Waterworks and Sewerage Authority

Government body overseeing water supply and sewage management

Republic Act No. 1378

Legislation known as the 'Plumbing Law of the Philippines'

Department of Public Services

Government department overseeing public services in Manila

Board of Examiners for Master Plumbers

Authority responsible for certifying master plumbers

Cuniculum for Plumbing Engineering

Approved curriculum for plumbing engineering education

National Plumbing Code

Regulatory code governing plumbing practices in the Philippines

House Bill No. 962

Legislation approved by the Third Congress of the Republic of the Philippines

Malacañang

Official residence of the President of the Philippines

Preface

Introduction section of the Revised National Plumbing Code

Principle No. 1

Requirement for premises to have access to safe water supply

Principle No. 2

Ensuring plumbing fixtures receive adequate water volume and pressure

Principle No. 3

Designing plumbing systems for minimal water usage

Principle No. 4

Preventing water heating dangers through proper design

Principle No. 5

Mandating connection of buildings to public sewer systems

Principle No. 6

Specifying plumbing fixtures required in family dwelling units

Principle No. 7

Requiring plumbing fixtures to be made of smooth, non-absorbent materials

Principle No. 8

Ensuring drainage systems are designed to prevent clogging and fouling

Principle No. 14

Prohibits substances that damage drainage system

Principle No. 15

Requires protection against contamination by sewage backflow

Principle No. 16

Mandates proper lighting and ventilation for water closets

Principle No. 17

Guidelines for sewage disposal in areas without sewers

Principle No. 18

Prevents sewage overflow in case of backflow

Principle No. 19

Maintenance responsibility of Registered Master Plumbers

Principle No. 20

Installation requirement for accessible plumbing fixtures

Principle No. 11

Installation considerations for preserving structural integrity

Principle No. 22

Guidelines for safe disposal of sewage to prevent water contamination

Registered Master Plumber

Professional responsible for plumbing installations

Professional Conduct

Code of behavior for Registered Master Plumbers

Permit Required

Necessity of permit for plumbing work as per Plumbing Law

Permit Issuance

Process of review and approval for plumbing permits

Permit Validity

Conditions for permit expiration and renewal

Application for Permit

Requirements for submitting a plumbing permit application

Plans and Specifications

Detailed documents needed for plumbing permit applications

Retention of Plans

Requirement to keep approved plans for reference

Partial Permit

Permission for partial construction before full plan approval

Validity of Permit

Permit issuance does not allow violations of plumbing codes

Expiration of Permit

Conditions leading to the nullification of a plumbing permit

Suspension or Revocation

Authority's action to revoke permit for errors or violations

Additions, Alterations or Repairs

Changes to plumbing system complying with new system requirements

Changes in Building Occupancy

Plumbing adjustments for building use changes

Maintenance

Requirement to upkeep plumbing systems in working order

Moved Buildings

Regulations for plumbing systems moved to new locations

Inspections

Mandatory checks by Administrative Authority for plumbing systems

Operation of Plumbing Equipment

Allowance for using new plumbing accessories after inspection

Testing of Systems

Requirement to test plumbing systems as per Code

Inspection Requests

Procedure for notifying Authority of work readiness for inspection

Re-inspections

Additional inspections with fees for incomplete or failed work

Connection Approval

Prohibition on installing connections without Authority approval

Special Provisions

Regulations for Licensed Master Plumbers and seals

Plumbing Fixtures Required

Mandatory sanitary facilities for buildings as per regulations

ADS

Acrylonitrile-Butadiene-Styrene material

Alley

Public space or thoroughfare dedicated for public use

Alteration

Any change or modification in construction or occupancy

Accessible

Having direct access without obstruction

Airbreak

Physical separation to prevent backflow

Air Gap, Drainage

Vertical distance between pipe opening and receptor rim

Air Gap, Water Distribution

Vertical distance for potable water safety

Approved

Accepted as suitable under specified standards

Approved Testing Agency

Organization for testing standards approved by Authority

Administrative Authority

Regulatory body overseeing plumbing regulations

Backflow

Flow of liquids into water pipes from unintended sources.

Backflow Connection

Condition allowing reverse flow in pipes.

Backpressure Backflow

Reverse flow due to increased pressure above supply pressure.

Backflow Preventer

Device preventing liquid flow back to the source.

Back-Siphonage

Backward flow of contaminated water into supply pipes.

Backwater Valve

Device preventing reverse flow in drainage systems.

Backvent Pipe

Part of vent line connecting to fixture traps.

Ball Cock

Valve controlled by a floating ball.

Ball Joint

Pipe connection allowing movement in all directions.

Bathroom

Room with shower stall or bathtub.

Battery of Fixtures

Multiple fixtures draining into a common branch.

Bell or Hub

Enlarged pipe section for connecting pipes.

Bending Pin

Tool for straightening or bending lead pipes.

Bibb

Synonymous with faucet or tap.

Bidet

Fixture for washing private body parts.

Blank Flange

Flange without bolt holes.

Blind Flange

Flange closing pipe end with no openings.

Blow-Off

Controlled pipeline outlet for discharging liquid or detritus.

Board

Licensure Board for Master Plumbers.

Boiler Blow-Off

Valved outlet for discharging sediment from a boiler.

Branch

Part of piping system that is not a main, riser, or stack.

Branch Interval

Length of stack connecting branches from a building floor.

Branch Vent

Horizontal vent connecting vertical back vents to the stack.

Brazed Joint

Metal joint made with alloys melting at specific temperatures.

B & S

Brown and Sharpe specification or Bell and Spigot pipe ends.

Building

Structure for housing or supporting people, animals, or property.

Building Drain

Part of drainage system receiving discharge from inside a building.

Building Sewer

Piping conveying building drain discharge to a disposal point.

Building Subdrain

Underground system part unable to drain by gravity into a building sewer.

Building Supply

Pipe carrying water supply to a building or distribution point.