Building Utilities Plumbing-1 PDF

History Additional Information: Plumbing is derived from plumbum, Today at least 26 different systems are Latin for the metallic element lead. included in plumbing design not all are...

History Additional Information: Plumbing is derived from plumbum, Today at least 26 different systems are Latin for the metallic element lead. included in plumbing design not all are ○ The material was most often found in any one building. Basic modern used for ducts and piping until it plumbing fixtures include: was superseded by cast iron in ○ Toilets the 19th century. ○ Urinals Archaeologists have found evidence of ○ Sinks systems for the disposal of human ○ Bathtubs waste in dwellings 10,000 years old. ○ Showers ○ Waste disposal and running ○ Laundry tubs water were commonly ○ Drinking fountains incorporated in the palaces of Hospitals, laboratories, and royalty and priests as early as industrial buildings require many the Indus Valley civilization these systems were well specialized types of features developed during the Roman Appliances that are connected to a Empire. plumbing system include ○ Plumbing was a firmly dishwashers and laundry washers. established feature in the ○ Most of these fixtures and dwellings of even the less appliances require both hot and affluent by the end of the 19th cold water century. ○ Hot water can be generated by heaters such as: Plumbing Gas System of piping and fixtures that bring Electricity water into buildings and carry away Boiler water waterborne wastes, these pipes are Oil generally concealed behind walls, floors, Steam and ceilings, and fixtures such as water Solar energy closets, lavatories, and bathtubs are Fixtures (such as water closets and attached to this system and are visible appliances) are made of impervious in various rooms of homes, offices, materials such as: schools, and other buildings” - The ○ Vitreous china National Plumbing Code of the ○ Enameled cast iron or steel Philippines (NPCP) ○ Stainless steel every inhabited building must have a ○ plastic supply of safe water for drinking, and for Piping materials include: the operation of the plumbing fixtures, ○ Cast iron and appliances, and a sanitary drainage ○ Steel system for wastewater disposal. ○ Brass Local government authorities are ○ Copper responsible for establishing regulations ○ Stainless steel known as plumbing codes ○ Aluminum ○ Which govern design and ○ Plastic installation requirements and ○ Vitrified clay (Tile) the minimum number of fixtures ○ Concrete needed based on building use Fittings connect one tube to another and the number of occupants - and can also branch pipe flow  Plumbing Alphabet A ABS (Acrylonitrile Butadiene Styrene) - A black plastic pipe that is commonly Airgap Water Distribution - an used for drainage, sewage, and vents unobstructed vertical distance through the free atmosphere between the lowest Alley - any public space, public park, or opening from any pipe or faucet thoroughfare less than 3 meters but not conveying drinkable water to the less than 2 meters in width — dedicated flood-level rim of any tank, vat, or or deeded for public use. fixture. Alter or Alteration - any change, Approved - accepted or acceptable addition, or modification in construction under applicable specifications or or occupancy standard state or cited in this Code, or accepted as suitable for any purpose Accessible - when applied to a fixture, used under procedures and powers of connection, appliance, or equipment, the Administrative Authority. shall mean having access thereto, but Approved Testing Agency - an which may require prior removal of an organization primarily established for access panel, door, or similar purposes of testing to approve obstruction standards and approved by the ○ “Readily Accessible” shall mean Administrative Authority. direct access without the necessity of removing any panel, door, or Authority, Administrative - The similar obstruction. Administrative Authority including the Building Official, The Commission, the Board, and such other departments or agencies established and authorized to administer and enforce the provisions of Airbreak - A physical separation, which Republic Act 1378 - The Plumbing Code may be a low inlet into the indirect waste of the Philippines receptor from the fixture, appliance, or ○ Presidential Decree No. 223 device indirectly connected. (amended by P.D 657) - Creating the Professional Airgap, Drainage – the unobstructed Regulation Commission and vertical distance through the free prescribing its powers and atmosphere between the lowest opening functions from any pipe, plumbing fixture, ○ Letter of Instruction No.1000 - appliance, or appurtenance conveying ordering and directing the waste to the flood level rim of the Professional Regulation receptor Commission (PRC)  the fixture or fixture traps it serves. B Sometimes called an individual vent. Ball Cock - a valve opened and closed by the fall and rise respectively, of an attached ball floating on the surface of the liquid. Backflow - the flow of water or other liquids, mixtures, or substances into the Ball Joint - a type of pipe connection in distributing pipes of a potable supply of which a ball-shaped end is held in a water from any source other than its cuplike shell and allows movement in intended source. every direction. Backflow Connection - condition or Bathroom - a room equipped with a any arrangement whereby reverse flow shower stall or bathtub. can occur Board - the licensure Board for Master Backpressure Backflow - occurs due Plumbers to an increase in reverse pressure above the supply pressure. This may be Battery of Fixtures - any of two or more due to pumps, boilers, gravity, or other similar adjacent fixtures that discharge sources of pressure. into a common horizontal soil or waste branch Backflow Preventer - (AKA Vacuum Breaker) device or means to prevent the Bell or Hub - that portion of a pipe flow of liquid from returning to the which, for a short distance is sufficiently source of supply. enlarged to receive the end of another pipe of the same diameter to make a Back Siphonage - the flowing back of caulked or push-on joint. used, contaminated, or polluted water from a plumbing fixture or vessel into a Bending Pin (or iron) - a tool for water supply pipe due to a negative straightening or bending lead pipe. pressure in such pipe. Bibb - synonymous with faucet, cock, Backwater Valve - a device installed in tap, plug, etc. – the word “faucet” is a drainage system to prevent reverse preferred. flow. Backvent Pipe - the part of a vent line, which connects directly with an Bidet - plumbing fixtures used for individual trap underneath or behind the washing the middle private part of the fixture and extends to the branch or body, especially the genitals. Also called main vent pipe at any point higher than a “sitz” bath  degrees centigrade, but lower than the Blank Flange - a pipe flange that is not melting temperature of the parts to be drilled for bolt holes. Can be put in place joined for temporary maintenance Blind Flange - a flange that closes the end of a pipe there is no opening for the passage of liquid or gas. The difference between a blind Lange and a blank flange is that a Blind flange is permanent whereas a blank flange is B&S - Brown and Sharpe (specification) temporary or Bell and Spigot (Ends of Pipes) Building - a structure built, erected, and Blow-off - a controlled outlet of a framed of components and structural pipeline to discharge liquid or detritus. parts designed for the housing, shelter, enclosure, or support of persons, Boiler Blow-off - a valved outlet of a animals, or property of any kind. boiler that permits the discharge of accumulated sediments Building Drain - This part of the lowest horizontal piping of a drainage system that receives the discharge from soil, waste, and other drainage pipes inside the walls of the building sewer beginning 0.6 meters outside the building wall. Branch - any part of the piping system Building Sewer - that part of the other than a main riser or stack horizontal piping of a drainage system that starts from the end of the building drain and which receives the discharge Branch Interval - a length of soil or of the building drain and conveys it to a waste stack corresponding in general to public sewer, private sewer, individual a story height, but in no case less than sewage disposal system, or other point 2.43 meters within which the horizontal of disposal. branches from one floor or story of a building are connected to the stack. Building Subdrain - that portion of an underground system, which cannot Branch Vent - a horizontal vent drain by gravity into the building sewer. connecting one or more individual vertical back vents with the vent stack or Building Supply - the pipe carrying stack vents. potable from the water meter or other source of water supply to a building or Brazed Joint - any point obtained by other point of use or distribution on the joining metal parts with alloys that melt lot. Building supply shall also mean at a temperature higher than 449 water service connection.  Caulking - plugging an opening with Check Valve - a valve that oaku, lead, or other materials that are automatically closes to prevent the pounded into the annular space. The flow of liquid or gas in a reverse material pounded into the annular direction. opening Circuit Vent - a group vent pipe that starts in front of the extreme fixture connection on a horizontal branch and Cap - a fitting, screwed, or caulked over connects to the vent stack. the end of the pipe for closing the pipe Code - The word “Code” or “This Code”, end. when used alone, shall mean these regulations, subsequent amendments Catch Basin - a receptacle in which thereto, or any emergency rule or liquids are retained for a sufficient period regulation which the Administrative to allow settleable material to deposit. Authority having Jurisdiction may Certified Backflow Assembly Tester - a lawfully adopt. person who has shown competence to test and maintain backflow assemblies to the satisfaction of the Administrative Authority Combination Waste and Vent System - a specifically designed system of waste piping embodying the horizontal wet venting of one or more sinks or floor drains using a common horizontal waste and vent pipe, adequately sized to provide free movement of air above the Cesspool - a non-watertight lined flow line of the durian. excavation in the ground that receives the discharges of a sanitary drainage system or Combustible Construction - a part thereof, designed to retain the organic structure in which any part of its matter and solids discharging therefrom, but structural framework will ignite and burn permitting the liquid to seep through the at a temperature of 756 degrees bottom and sides of the cesspool. centigrade or less. Chase - vertical shaft for installation of different pipe stacks. Most homeowners choose to hide their pipes behind walls - Commission - The Professional this is called chasing. Regulation Commission (PRC) Common - that part of a plumbing system designed and installed to serve more than 1 appliance, fixture, building, or system.  Confined Space - a room or space manufacturer) which determines having a volume less than 1.4cu m with the minimum elevation above 250-kilogram calories of the aggregate the flood level rim of the fixture input rating of all fuel-burning appliances or receptacle served where the installed in that space. device may be installed. ○ When a backflow prevention Contamination - an impairment of the device does not bear a critical quality of the potable water which level marking, the bottom of the creates an actual hazard to public health vacuum breaker, combination through poisoning or spread of disease valve, or the bottom of any such by sewage, industrial fluids, or waste. approved device shall constitute Also, defined as High Hazard. the critical level. Continuous Vent - a continuous vent is the vertical vent that is a continuation of the drain to which the vent connects. Continuous Waste - a drain connecting the compartments of a set of fixtures to Cross Connection - any connection or a trap or connecting other permitted arrangement, physical or otherwise, fixtures to a common trap. between a potable water supply system and any plumbing fixture or any tank, Conductor or Downspout - a vertical receptacle, equipment, or device, pipe to convey rainwater. through which enables non-potable, used, unclean, polluted, contaminated Corporation Cock - a stop valve placed water or other substances to enter into at the connection of the water service any part of such potable water system pipe to the water main. under any condition. Court - an open, unoccupied space, bounded on 2 or more sides by the walls of the building. An inner court is a court entirely within the exterior walls of a building. All other courts are outer courts. Critical Level - (C-L or C/L) Marking on a backflow prevention device D ○ or vacuum breaker is a point conforming to approved standards and established by Dead-end - the extended portion of a the testing laboratory (usually pipe that is closed at one end to which stamped on the device by the no connections are made on the  extended portion, thus permitting the stagnation of liquid or air therein. Department Having Jurisdiction - the Administrative Authority and includes any other law enforcement agency concerned by any provision of this Drain - a pipe, which carries ground and Code, whether such agency is surface waters, stormwater, or specifically named or not wastewater into a building drainage system. Drainage system - includes all the piping within public or private premises which convey sewage or other liquid wastes to a Developed Length - the length of a pipe legal point of disposal but does not include along its centerline and fittings. the mains of a public sewer system or a public sewage treatment or disposal plant Diameter - unless specifically stated, the term “diameter” is the nominal diameter Dry Vent - a vent that does not carry liquid designated commercially. or water-borne waste. ○ I.D - denotes the inside diameter of the pipe Durham system - a term ○ O.D - denotes the outside diameter used to describe soil or of the tube. a waste system where all piping’s are of threaded Domestic Sewage - the liquid and pipe, tubing, or other such water-borne wastes derived from rigid construction using ordinary living processes, from industrial recessed drainage fittings waste, and such of character that permit to correspond to the satisfactory disposal without special types of pipings. treatment. It is discharged into the public sewer or into a private sewage disposal F system. Family - one person living alone or a group living together whether related to each other Double-Bend Fitting - a pipe fitting with by birth or not. adjacent reverse bends shaped like the letter “S” Double Offset - two offsets in succession or Faucet - a valve located at the end of a in series such that the centerlines of the water pipe through which water can be outside ends are in the same straight line. drawn from or held within the pipe. Ferrule - a metallic sleeve, caulked or joined to an opening in a pipe, into which a plug is screwed that can be removed for cleaning or examining the interior of the pipe.  Fixture - a receptacle other than a trap attached to a plumbing system in which water or wastes may be collected or retained for ultimate discharge into the plumbing system Flushometer Tank - is integrated within an air accumulator vessel which is designed to Fixture Branch - the water supply pipe discharge a pre-determined quantity of water between the fixture supply pipe and the into fixtures for flushing purposes. water distributing pipe. Flushometer Valve - a Device that discharges a pre-determined quantity if Fixture Drain - the drain pipe from the trap water into fixtures for flushing purposes and of a fixture to the junction of that drain with is actuated by direct water pressure. any other drain pipe. Fixture supply - a water supply pipe connecting the fixture with the fixture branch. G Fixture Unit - is an arbitrary quantity in terms of which the load-producing effects or Gate Valve - a valve in which the flow of water requirements on the plumbing system water is cut off using a circular disc fitted of different kinds of plumbing are expressed against machine-smoothed faces, at in some arbitrarily chosen scale. One fixture right angles to the direction of flow. The unit is equivalent to a rate of flow at 28.3 disc is raised or lowered using a liters per minute (1 cu. Ft. /min) threaded stem connected to the handle Flood Level - the level in a fixture at which water begins to overflow the top or rim of the of the valve. The opening in the valve is fixture. usually as large as the full bore of the pipe. Flood Level Rim - is the top edge of a receptacle from where water overflows. Globe Valve - a valve in which the flow of the liquid is cut off utilizing a circular Flooded - a fixture is flooded when the liquid disc that fits over and against the therein rises to the flood-level rim. horizontal valve seat. The movement of the plane of the disc is parallel to the Floor Area - the area included within the surrounding walls of a building ( or portion normal direction of the flow of water thereof), exclusive of vent shafts and courts. through the orifice resulting in a tortuous passage that offers a high-pressure Flush Tank - a tank located above or loss. integral with a water closet urinal or similar ○ Are capable of changing flow fixtures for flushing or removing excrement in directions and flow rate while gate the fixtures. valves are only capable of a Flush Valve - a device located at the bottom complete on-and-off function. of the tank for flushing the water closet and similar fixtures.  Group Vent - a branch vent that Horizontal Branch - a drain pipe performs its functions for 2 or more extending laterally from a soil or waste traps. stack or building drain with or without vertical sections or branches, which Gooseneck - a return bend of receives the discharge from one or more snake-sized pipe, one end of which is fixture drains and conducts it to the soil about 30cm Long and the other end is or waste stack or to the building drain. about 7.5cm long. It is commonly used as a faucet for a pantry sink. Also, the Horizontal pipe - any pipe or fitting installed in a horizontal position or which term means the flexible tubing forms an angle or not more than 45 connection between a service pipe and degrees with the horizontal plane. a water main. House Drain - is that part of the lowest Grade - is the slope or fall of a line of horizontal piping of a plumbing system pipe concerning a horizontal plane. In that receives the discharges from soil, drainage, it is usually expressed as a fall waste, and other drainage pipes inside in centimeters per meter or percentage of a building and conveys it to the house sewer outside of the building. slope of pipe. Grease interceptor - an interceptor of at least 3 cubic meters capacity to serve House Sewer - is that part of the one or more fixtures and which is plumbing system extending from the remotely located. house drain at a point 0.60 meters from the outside face of the foundation wall of a building to the junction with the street Grease Trap - a device designated to sewer or to any point discharge, retain grease from one to a maximum of conveying the drainage of one building four fixtures. site. Groundwater - the water that stands in House storm sewer - is the pipeline or passes through the ground. from the building to the public or street storm drainage system. H Hubless pipes - are cast iron soil pipes with plain ends connected together with bolted stainless steel bands and Height of building - the vertical neoprene gaskets distance from the “grade line” to the highest point of the coping of a flat roof to the top line of a mansard roof or to the average height of the highest gable of a pitch or hip roof I  Indirect waste pipe - a pipe that does shall not preclude the application of that not connect directly with the drainage term to conditions that are in fact, system but conveys liquid wastes by unsanitary. discharging into a plumbing fixture, Interceptor (clarifier) - is a device interceptor, or receptacle directly designed and installed to separate and connected to the drainage system. retain deleterious, hazardous or undesirable matter from normal wastes Individual vent - is a pipe installed to and permits normal sewage or liquid vent a fixture trap and which connects wastes to discharge into the disposal with the vent system above the fixture terminal by gravity. served or terminates in the open air. Industrial waste - any and all liquid or waterborne waste from industrial or commercial processes except domestic Invert - the lowest portion of the interior sewage. part of any pipe or conduit that is not vertical. I.P.S - Iron pipe size. J Jurisdiction - the administrative authority under the Department of Health, the Department of Public Works and Highways, the Department of Insanitary - a condition contrary to Interior and Local Government, the city sanitary principles or injurious to health. mayors of chartered cities, the Conditions where the word “unsanitary” Environmental Management Bureau shall apply include the following: (D.E.N.R), and other government ○ Any trap that does not maintain a proper entities that regulate the practice of trap seal. registered and Licensed Master ○ Any opening in a drainage system, Plumbers. except where lawful, which is not provided with an approved water-sealed ○ trap Any plumbing fixture or other L waste-discharging receptacle or device, Labeled - equipment or materials not supplied with water sufficient to flush bearing a label of a listing agency. All it and maintain it in a clean condition labels shall be embossed, stamped, or ○ Any defective fixture, trap, pipe, or fitting indelibly marked with stickers, and glued ○ Any trap except where exempted in this code, is directly connected to a drainage on the finished product indicating the system, the seal of which is not weight, specifications, and logo of the protected against siphonage and back manufacturer. pressure by a vent pipe. ○ Any connection, cross-connection, construction, or condition, temporary or permanent, which permits or makes possible, by any means whatsoever, for any unapproved foreign matter to enter into a water distribution system used for domestic purposes. ○ The foregoing enumeration of conditions to which the term “insanitary” applies,  Lateral - in plumbing, a secondary tested against approved standards and pipeline. In sewerage, a common sewer found safe for use in a specific manner. to which no other branch sewer is connected. It receives sewage from Local Vent - a pipe or shaft to convey building sewer service connections only. foul air from a plumbing fixture or a room to the outer air. Latrine - a water closet consisting of a continuous trough containing water. The trough extends under two or more adjacent seats. Prohibited by health authorities for permanent installations. Loop or Circuit Vent - a vertical vent Lavatory - a fixture designed for the connection on a horizontal soil or waste washing of the hands or face. pipe branch at a point downstream of Sometimes called a wash basin. the last fixture connection and turning to a horizontal line above the highest Leaching Cesspool - a cesspool that is overflow level of the highest fixture not watertight connected thereat; the terminus connected to the stack vent in the case Leader - (see conductor) - a pipe of loop venting of to the vent stack connected from the building gutter to the nearby in the case of circuit venting. downspout or conductor. Lot - a single area of land legally Length of Pipe - is measured along its recorded or validated by other means centerline. acceptable to the administrative authority where a building is situated or Liquid Waste -is the discharge from any the site of any work regulated by this fixture, appliance, or appurtenance in Code, together with the yard, court, and connection with a plumbing system that unoccupied space legally required for does not receive fecal matter. the building or works, and which is owned by or in the lawful possession of Listed - equipment or materials the owner of the building or work. included in a list published by a listing agency that maintains periodic inspection on current production of listed M equipment or materials and whose Main - any system of continuous piping, listing states either that the equipment which is the principal artery of the or materials complied with approved system where branches are connected. standards or have been tested and found suitable for use in specified manners. Listing agency - is an agency accepted by the administrative authority in the business of listing or labeling and which maintains a periodic inspection program on current production of listed models, and makes available a published report Main vent - the principal artery of the of such listing where specific information venting system to which vent branches is included that the product has been are connected.  Manhole - a large opening in a sewer ○ Whenever any work regulated line or part of a plumbing system by this Code is dangerous to constructed with sufficient size for a man human life or detrimental to to gain access therein for maintenance health and property purposes and facility for changes of line ○ Inadequate or unsafe water and/or grade of pipeline supply and or sewage disposal system Master Plumber - a person technically and legally qualified and licensed to practice the profession of Master O plumbing without limitations. ○ in accordance with Republic Act Oakum - hemp or old hemp rope 1378, having passed the soaked in oil or tar to make it examinations conducted by the waterproof. professional regulation commission has received a certificate of Occupancy - the purpose for which a registration from the board of Master building is used or intended to be used. Plumbing, and possesses the current The term shall also include the building license to practice. or room housing used. Change of occupancy is not interpreted to mean May - the word “may” is a permissive change of tenants or proprietors. term. Mobile home park sewer - the part of the horizontal piping of the sanitary drainage system that measures 0.6 meters downstream from the last mobile home site and conveys sewage to a public sewer, private sewer, individual sewage disposal system or other points of disposal. Offset - in a line of piping is a combination of elbows or bends, which brings one section of the pipe out of line but into a line parallel with the original section. P Person - a natural person. Heirs, executors. Administrators or assigns, and also includes a firm, partnerships or N corporation, its or their successors or assigns or agents of any of the Nampap - National Master Plumbers aforesaid. Association of the Philippines. PB (Polybutylene) - Tube made of Nuisance - includes, but is not limited to plastic material and colored black. The the following: cross-sectional shape is normally oval ○ Any public nuisance known in and is denoted by its outside diameter common law or in equity jurisprudence  or O.D. Normally used as water service connection from main to meter. PE (Polyethylene) - Tube made of plastic material and colored black. The cross-sectional shape is circular and is denoted by its outside diameter or O.D. Plumbing Fixtures - are approved-type Pipe - a cylindrical conduit or conductor installed receptacles devices or conforming to the particular dimensions appliances supplied with water or commonly known as “Pipe size” and is receive liquid or liquid-borne wastes and denoted by its interior diameter or I.D. discharge such wastes into the drainage system to which they may be directly or indirectly connected. Industrial or commercial tanks, vats, and similar processing equipment are not plumbing fixtures but may be connected to or discharged into approved raps or Plumbing - the art and technique of plumbing fixtures as provided for in this installing pipes, fixtures, and other code. apparatuses in buildings for bringing in the supply, liquids, substances, and/or Plumbing Official - the administrative ingredients and removing them and authority of the officer charged with the such water, liquid, and other carried administration and enforcement of the wastes hazardous to health, sanitation, national plumbing code or his regularly life, and property. It also the pipes and authorized deputy. fixtures after installation. Plumbing system - includes all potable Plumbing appliance - any one of a water supply and distribution pipes, all special class of device or equipment plumbing fixtures and traps; all sanitary and storm drainage systems; vent pipes, roof intended to perform a special plumbing drains, leaders, and downspouts; and all function. Its operation and control may building drains and sewers, including their be dependent upon one or more respective joints and connections; devices, energized components, such as motors, receptacles, and appurtenances within the controls, heating elements, and property; water lines in the premises; pressure, temperature, and sensing potable, tap, hot and chilled water piping’s; elements.. potable water treating or using equipment; ○ Such device or equipment may fuel gas piping; water heaters and vents. operate automatically through one or more of the following Plumbing Unit - a minimum standard actions: quantity of plumbing fixtures that a time cycle discharge wastes into a plumbing a temperature range installation including: a pressure range ○ 1 water meter ○ 1 water closet a measured volume or ○ 1 lavatory weight; ○ 1 shower head and drain for a or the device or bathtub or shower stall, equipment may be ○ 1 kitchen sink manually adjusted or ○ 1 laundry tray controlled by the user or ○ 3-floor drains operator. ○ 4 faucets/hose bib.  Pollution - an impairment of the quality of the water to a degree that creates a Private Sewer - a building sewer, which hazard to public health and adversely receives the discharge from more than affects the aesthetic and potable one building drain and conveys it to a qualities of waters for domestic use. public sewer, private sewage disposal system, or other points of disposal. Potable water - water satisfactory for drinking, culinary, and domestic Privy - an outhouse or structure used purposes and meets the requirements of for the deposition of excrement the Philippine National for Drinking Water. Privy Vault - a pit beneath a privy where excrement collects. Pressure - the normal force exerted by a homogeneous liquid or gas, per unit of Public or Public Use - in the area on the wall of the container. classification of plumbing fixtures, “public” or “public use” shall mean all Static Pressure - The pressure existing buildings or structures that are not without any flow motion. defined as private or private use. Residual Pressure - the pressure Public Sewer - a common sewer available at the fixture or water outlet; directly controlled by a public authority allowance is made for pressure drop to which all abutters have equal rights of due to friction loss, head, meter, and connections other losses in the system during the maximum demand period. PVC (Polyvinyl Chloride) Primary Branch - of the building drain ○ Potable water piping is is the single sloping drain from the base color-coded blue. of a stack to its junction with the main ○ Drainpipes are manufactured building drain. with toxic components and are color-coded gray, orange, or Private or Private Use - in the brown. classification of plumbing fixtures, “private” applies to plumbing fixtures in residences and apartments, to private Q bathrooms in hotels and hospitals, to Quality of Materials - all plumbing restrooms in commercial establishments fixtures and materials used in any for restricted use, single fixtures or discharge or plumbing system or parts groups of single fixtures, and to similar thereof shall be free from defects. installations where the fixtures are intended for the use of a family or an individual. R Private Sewage Disposal System - a septic tank with the effluent discharging Receptor - an approved plumbing into a subsurface disposal field, into one fixture or device of such materials, or more seepage pits, or into a shape, and capacity to adequately combination of subsurface disposal field receive the discharge from indirect and seepage pit or of such other waste pipes, constructed and located to facilities as may be permitted under the be reality cleaned. procedures set forth elsewhere in this code.  Regulating Equipment - includes all valves and controls used in plumbing systems, which are accessible.