PLUMBING CODE

Whenever urinals are provided, ____ water closet is subtracted from the minimum water closets required

1 (One)

Considering ease of installation , what’s the best material for residential hot water line?

PEX (flexible, suitable for installations through obstacles)

This refers to the standards of Underground Installation of Polyvinyl Chloride (PVC) and Molecularly Oriented Polyvinyl Chloride (PVCO) Pressure Pipe and Fittings

AWWA C605 (awwa.org)

The suitable water service line material due its strength, durability, and resistance to corrosion

HDPE (also suitable for underground installations)

The administrative authority requires that every request for inspection be field at least _____ working days before such inspection is intended

Three (RNPCP, Chapter 1]

The length of a pipe along its centerline and fittings

developed length (RNPCP, Chapter 2)

Fixture outlets shall not be connected to the horizontal excreta drainage piping system within ____ meters from any vertical to horizontal change of direction of a stack containing suds-producing fixtures

2.4 mtrs (RNPCP, Chapter 7)

What is the key consideration in pipe selection for use in sterile water transportation?

Resistance to bacterial growth (sterile water can be used in medical procedures, hence it should not be contaminated with bacteria)

Part of the lowest horizontal piping of a drainage system which receives the discharge from soil, waste, and other drainage pipes inside the walls of the building and conveys it to the building sewer beginning 0.6 mtrs outside the building wall

Building drain (RNPCP, Chapter 2)

_____ for sacrarium cupsink at church altar and baptisteries font outlet shall discharge directly to the ground and not connected to the sanitary drainage system

Wastewater Drains (RNPCP, Chapter 4)

For two adjacent walls, add _____ percent of the total wall areas to the roof area;

35% (RNPCP, Chapter 11)

Distance of urinal from its center to sidewall

12” (RNPCP, Chapter 4)

Minimum trap arm size of Bidet

38mm (RNPCP, Chapter 7)

A drain connecting the compartments of a set of fixtures to a trap or connecting other permitted fixtures to a common trap

Continuous waste (RNPCP, Chapter 2)

How many urinals will you provide for an Assembly place with 300 people

3 (RNPCP, Chapter 4; Assume that the Occupancy is for public use)

Faucet holes for a laundry sink typically has a ____

4 spread (Two-handle laundry sinks are commonly 4” spread)

Any pipe installation which forms an angle of not more than 45 degrees with the vertical plane

Vertical Pipe (RNPCP, Chapter 2)

Plumbing shall be installed by Registered Master Plumbers with due regard to the preservation of the strength of structural members and the prevention of damage to walls and other surfaces through fixture usage

Principle No. 21 (RNPCP)

OS & Y means

Outside Screw and Yoke (or sometimes “Outside Stem and Yoke”; a valve configuration which functions by opening and closing via a gate, which lowers both in and out of the valve)

When shower receptors are built above ground sub-floor and rough side of walls to a height of no less than ____, above the top of the finished dam or threshold shall be first lined with sheet lead or copper or with other durable and watertight materials

76mm (RNPCP, Chapter 4)

2-inch copper tubing installed horizontally must be supported at distances not less than ___ feet

3.0 mtrs

When notching the ends of joists to install water piping, the depth of the notches shall not exceed ___ of the depth of the joists

¼ (IPC 2018, Appendix C)

The Plumbing Code is used to _________

Enforce the Law (RA 1378 covers the comprehensive plumbing knowledge and all application)

Who signed and approved the Revised Plumbing Code

Joseph Estrada (RNPCP, History of Plumbing; approved last December 21, 1999)

The following fittings are acceptable by Code for changes in direction in drainage piping, except ______

1/5 bend (RNPCP Chapter 3 and Chapter 7; 1/5 bend or 72” is not included in the list of allowed fittings)

Piping installed underground must be

supported throughout its entire length (RNPCP, Chapter 3; piping buried in the ground shall be laid on a firm bed for its entire length)