ChanRobles Virtual law Library


Philippine Laws, Statutes & Codes

A collection of Philippine laws, statutes and codes
not included or cited in the main indices
of theChan Robles Virtual Law Library
This page features the full text of
Republic Act No. 6541
Annex "A".chanrobles virtual law library
The National Building Code of the Philippines
National Building Code of the Philippines
Annex "A"
Annex "B"




Part A

A.01: Accessoria or Row House. A house of not more than two stories, composed of a row of dwelling units entirely separated  from one another by party wall or walls and with an independent entrance for each dwelling unit.

A.02: Accessory Building. A building subordinate to the main building on the same lot and used for purposes customarily incidental to those of the main building, such as servants' quarters, garage, pumphouse, laundry, etc.

A.03: Alley. Any public space or thoroughfare which has been dedicated or deeded to the public or of public use as a passageway.

A.04: Alter or Alteration. Any change, addition, or modification in construction or occupancy.

A.05: Apartment. A room, or suite of two or more rooms, designed and intended for, or occupied by one family for living, sleeping, and cooking purposes.

A.06: Apartment House. Any building or portion thereof, which is designed, built, rented, leased, let, or hired out to be occupied, or which is occupied as the home or residence of three or more families living independently of each other and doing their own  cooking in the said building, and shall include flats and apartments.

A.07: Arcade. Any portion of a building above the first floor projecting over the sidewalk beyond the first-story wall used as protection for pedestrians against rain and sun.

A.08: Area. An open subsurface adjacent to a building or lot line.

A.09: Assembly Building or Hall. A building or a portion of a building used for the gathering together of fifty or more persons for such purposes as deliberation, worship, entertainment, amusement, or awaiting transportation or of a hundred or more persons in drinking and dining establishments.

A.10: Attic Story. Any story situated wholly or part in a roof, so designed, arranged, or built as to be used for business, storage, or habitation.

A.11: Awning. A movable shelter supported entirely from the exterior wall of a building and of a type which be retracted, folded, or collapsed against the face of a supporting building.

Part B

B.01: Backing. The surface or assembly to which veneer is attached.

B. 02: Balcony. A portion of the seating space of an assembly room, the lower part of which is raised 1.20 meters (4 feet) or more above the level of the main floor.

B.03: Balcony, Exterior Exit. A landing or porch projecting from the wall of a building, and which serves as a required means of egress.

The long size shall be at least 50 per cent open, and the open area above the guardrail shall be so distributed as to prevent the accumulation of smoke or toxic gases.

B.04: Barbecue. A stationary open hearth or brazier, either fuel-fired or electric, used for food preparation.

B. 05: Basement. A portion of a building between floor and ceiling which is partly below and partly above grade but so located that the vertical distance from grade to the floor below is less than the vertical distance from grade to ceiling.

B.06: Bay or Panel. One of the intervals or spaces into which the building front is divided by columns, buttresses, or division walls.

B.07: Boarding House. A house with five or more sleeping rooms where boarders are provided with lodging and meals for fixed sum paid by the month, or week, in accordance with the previous arrangement.

B. 08. Boiler Room. Any room containing a steam or hot water boiler.

B.09: Buildable Are. The remaining space in a lot after deducting the required minimum open spaces.

B.10: Building. Any structure built for the support, shelter, or enclosure of persons, animals, chattels, or property of any kind.

B.11: Building, Existing. A building erected prior to the adoption of this Code or one for which a legal building permit has been issued.

B.12: Building Height. The vertical distance from the established grade elevation to the highest point of the coping of a flat roof, to the  average height of the highest gable of a pitch or hip roof, or to the top of the parapet if the roof is provided with a parapet. In case of sloping ground, the average ground level of the buildable area shall be considered the established grade elevation.

B.13: Building Length. Its general linear dimension, usually measured in the direction of the bearing wall for girders.

B.14: Building Official. The officer charged with the administration and enforcement of this Code; the City Engineer or the City Public Works Supervisor in the case of chartered cities, and the Municipal Engineer, the Land and Building Official, or the Public Works Engineer in the case of provinces and municipalities.

B.15: Building Width. Its shortest linear dimension, usually measured in the direction of the floor, beams or joists.

Part C

C.01: Cellar. The portion of a building between floor and ceiling which is wholly partly below grade and so located that the vertical distance from grade to the floor below is equal to or greater than the vertical distance from grade to ceiling.

C.02: Chimney Classifications:cralaw:red

(a) Residential Appliances Type. A factory-built or masonry chimney suitable for removing products of combustion from residential type appliances producing combustion gases not in excess of 538C (1000F) measured at the appliance flue outlet.

(b) Low-Heat Appliance Type. A factory-built, masonry or metal chimney suitable for removing the products of combustion from fuel-burning low-heat appliances producing combustion gases not in excess of 538ºC (1000ºF) under normal operating conditions but capable of producing combustible gases of 760ºC (1400ºF)  during intermittent forced firing of period up to one hour. All temperatures are measured at the appliance flue outlet.

(c) Medium-Heat Appliance Type. A factory-built masonry or metal chimney suitable for removing the products of combustion from fuel-burning medium-heated appliances producing combustion gases not in excess of 1093ºC (2000ºF) measured at the appliance flue outlet.

C.03: Chimney Connector. The pipe which connects a flue-burning appliance to a chimney.

C.04: Chimney, Factory-Built. The listed chimney.

C.05: Chimney Liner. The lining material of fire clay or other approved material.

C. 06: Chimney, Masonry. The chimney of solid masonry units, bricks, stones, listed hollow unit masonry units, or reinforced concrete.

C.07: City. A political subdivision usually governed by a mayor and a council having local legislative authority with broad powers of self-government granted to it by its charter.

C.08: Concrete Block. A hollow or solid concrete masonry unit made from portland cement and suitable aggregates such as sand, gravel, crushed stone, bituminous or anthracite cinders, burned clay or shale, pumice, volcanic scoria, air-cooled or expanded blast furnace slags.

C.09: Coping. The material or units used to form a cap of finish on top of a wall, pier, or pilaster.

C.10: Corrosion-Resistant. The non-ferrous metal, or any metal having an unbroken surface of non-ferrous metal, or steel with not less than 10 per cent chromium or with not less than 0.20 per cent copper.

C.11: Corrosion-Resistant Materials. Materials that are inherently rust-resistant or materials to which an approved rust-resistive coating has been applied either before or after forming or fabrication.

C.12: Course. A continuous horizontal layer of masonry units.

C.13: Court. An unoccupied space between building lines and lot lines other than a yard free, open, and unobstructed by appendages from the ground upward.

Part D

D.01: Dispersal Area (Safe). An area which will accommodate a number of persons equal to the total capacity of the stand and building it serves, in such a manner that no person within the area need be closer than 15.00 meters (50 feet) from the stand or building. Dispersal areas shall be based upon an area of not less than 0.28 square meter (3 square feet) per person.

D.02: Dormitory. A room occupied by more than two guests.

D.03: Dwelling. Any building or any portion thereof which is not an "apartment house', "lodging house" or a "hotel" as defined in this Code, which contains one or two "dwelling units" or "guest rooms", used, intended or designed to be built, used, rented, leased, let or hired out to be occupied, or which are occupied for living purposes.

D.04: Dwelling Multiple. A building used as a home or residence of three or more families living independently from one another, each occupying one or more rooms are as a single housekeeping unit.

D.05: Dwelling, One-Family. A detached building designated for, or occupied exclusively by one family.

D.06: Dwelling Unit. One or more habitable rooms which are occupied or which are intended or designed to be occupied by one family with facilities for living, sleeping, cooking, and eating.

Part E

E.01: Exit. A continuous and unobstructed means of egress to a public way, and shall include intervening doors, doorways, corridors, exterior exit balconies, ramps, stairways, smokeproof enclosures, horizontal exits, exit passageways, exit courts, and yards. An exit shall be deemed to be that point which opens directly into a safe dispersal area or public way. All measurements are to be made to that point when determining the permissible distance of travel.

E.02: Exit Court. A yard of court providing egress to a public way for one or more required exits.

E.03: Exit, Horizontal. A means of passage from one building into another building occupied by the same tenant through a separation wall having a minimum fire resistance of one-hour.

E.04: Exit. Passageway. An enclosed means of egress connecting a required exit or exit court with a public way.

Part F

F.01: Facing. Any masonry, forming an integral part of a wall, used as a finished surface. (As contrasted to veneer, see definition).
F.02: Firebrick. A refractory brick.

F.03. Fire Clay. A finely ground clay used as plasticizer for masonry mortars; varies widely in physical properties.

F.04: Fireplace. A heart and fire chamber or similarly prepared place in which a fire may be made and which is built in conjunction with a chimney.
F.05: Fire Resistance or Fire-Resistive Construction. A construction to resist the spread of fire, details of which are specified in this Code.

F.06: Fire-Resistiveness. The degree to which a material can withstand fire as determined by internationally recognized and accepted testing methods. The fire-resistive time period rating is the length of time a material can withstand being burned and is usually classified as one-hour, two-hour, three-hour, four-hour, etc.
F.07: Fire-Retardant Treated Wood. Lumber or plywood impregnated with chemicals and when tested in accordance with accepted fire standards for a period of 30 minutes shall have a flame-spread of not over 25 and show no evidence of progressive combustion. The fire retardant properties shall not be considered permanent where exposed to the weather.

F.08: First Story. The story the floor of which is at or above the level of the sidewalk or adjoining ground, the remaining stories being numbered in regular succession upward.

F.09: Floor Area. The area included within the surrounding exterior walls of a building or portion thereof, exclusive of vent shafts and courts.

The floor area of a building or portion thereof, not provided with surrounding exterior walls shall be the usable area under the horizontal projection of the roof or floor above.

F.10: Footing. That portion of the foundation of a structure which spreads and transmits loads directly to the soil or the pile.

F.11: Foundation. All the portions of the building or structure below the footings, the earth upon which the structure rests.

Part G

G.01: Garage. A building or portion thereof in which a motor vehicle containing gasoline, distillate or other volatile, flammable liquid in its tank, is stored, repaired, or kept.

G. 02: Garage, Commercial. A garage where automobiles and other motor vehicles are housed, cared for, equipped, repaired or kept for renumeration, hire or sale.

G.03: Garage, Open Parking. A structure of one or more tiers in height which is at least 50 per cent open on two or more sides and is used exclusively for the parking or storage of passenger motor vehicles having a capacity of not more than nine persons per vehicle. Open parking garages are further classified as either ramp access or mechanical-access. Ramp-access open parking garages are those employing a series of continuously rising floors permitting the movement of vehicles under their own power from and to the street level. Mechanical-access parking garages are those employing parking machines, lifts, elevators, or other mechanical devices for vehicles moving from and to street and in which public occupancy is prohibited above the street level.

G.04: Garage, Private. A building or portion of a building in which only motor vehicles used by the tenants of the building or buildings on the premises are stored or kept.

G.05: Garage, Public. Any garage other than a private garage.

G.06: Girder. A horizontal structural piece which supports the end of the floor beams or joists or walls over openings.

G.07: Grade (Adjacent Ground Elevation). The lowest point of elevation of the finished surface of the ground between the exterior wall of a building and a point 1.50 meters (5 feet) distant from said wall, or the lowest point of elevation of the finished surface of the ground between the exterior wall of a building and the property line if it is less than 1.50 meters (5 feet) distant from said wall. In case walls are parallel to and within 1.50 meters (5 feet) of a public sidewalk, alley, or other public way, the grade shall be the elevation of the sidewalk, alley, or public way.

G.08: Ground Floor. The story at or near the level of the grade. The other stories, beginning with the second, for the first next above, shall be designated by successive floor numbers counting upward.

G.09: Guest Room. Any or rooms used, or intended to be used by a guest for sleeping purposes. Every 9.30 square meters (100 square feet) of superficial floor area in a dormitory shall be considered to be a guest room.

Part H

H.01: Habitable Room. Any room meeting the requirements of this Code for sleeping, living, cooking, or dining purposes, excluding such enclosed spaces as closets, pantries, bath or toilet rooms, service rooms, connecting corridors, laundries, unfinished attics, storage spaces, cellars, utility rooms, and similar space.

H.02: Hall Common. A corridor or passageway used in common by all the occupants within a building.

H.03. Hall, Stair. A hall which includes the stair, stair landings, and those portions of the common halls through which it is necessary to pass in going between the entrance floor and the room.

H.04: Heliport. An area of land or water or a structural surface which is used, or intended for use, for the landing and takeoff of helicopters, and any appurtenant areas which are used, or intended for use, for heliport buildings and other heliport facilities.

H.05: Helistop. The same as a heliport except that no refueling, maintenance, repairs, or storage of helicopters is permitted.

H.06: Hotel. A building or part thereof with rooms occupied or intended to be occupied for hire as temporary aboding place of individuals with a  general kitchen and public dining room service, but no provision for cooking in any individual suite or room.

H.07: Hotel Apartment. An apartment house which may furnish dining room service and other services for the exclusive use of its tenants.

Part I

I.01: Incombustible. As applied to building construction material, a material which, in the form it is used, is either one of the following:

(a) Materials of which no part will ignite and burn when subjected to fire; or

(b) Material having a structural base of incombustible material as defined in item (a), above, with a surfacing material not over 3.2 millimeters (1/8 inch) thick which has a flame-spread rating of 50 or less.

"Incombustible" does not apply to surface finish materials. Material required to be incombustible for reduced clearances to flues, heating appliances, or other materials shall refer to material conforming to the provisions of this Code. No material shall be classed as incombustible which is subject to increase in combustibility or flame-spread rating beyond the limits herein established, through the effects of age, moisture, or other atmospheric condition.

I.02: Incombustible Material. When referred to as structural material, means brick, stone, terracotta, concrete, iron steel, sheet metal, or tiles used either singly or in combination.

I.03: Incombustible Roofing. A covering of not less than two thickness of roofing felt and a good coat of tar and gravel of tin, corrugated iron, or other approved fire-resisting material with standing seam or lap joint.

I.04: Incombustible Stud Partition. A partition plastered on both sides upon metal lath or wire cloth for the full height, and fire-topped between the studs with incombustible material, 20 centimeters (8 inches) above the floor and at the ceiling.

Part L

L.01: Line, Building. The line formed by the intersection of the outer surface of the inclosing wall of the building and the surface of the ground.

L.02: Lintel. The beam or girder placed over an opening in a wall, which supports the wall construction above.

L.03: Load Dead. The weight of the permanent portions of a building or structure; it includes the weight of the walls, permanent partitions, framing, floors, roofs, and all other permanent and stationary fixtures, mechanisms, and other construction entering into and becoming a part of a building or structure.

L.04: Load, Lateral. That load caused by winds, earthquakes, or other dynamic forces.

L.05: Load, Live. The weight of the contents of a building or structure; it includes all loads except dead and lateral loads, and weight of temporary partitions, cases, counters, and similar equipment, and all loads imposed due to the occupancy of the building or structure.

L.06: Load Occupant. The total number of persons that may occupy a building or portion thereof at any one time.

L.07: Lodging House. Any building or portion thereof, containing not more than five guest rooms which are used by not more than five guests where rent is paid in money, goods, labor, or otherwise.

L.08: Lot. A parcel of land on which a principal building and its accessories are placed or may be placed together with the required open spaces. A lot may or may not be the land designated as lot on recorded plot.

L.09: Lot, Corner. A lot situated at the junction of two or more streets forming an angle of not more than one hundred thirty-five degrees (135º)

L.10: Lot, Depth of. The average horizontal distance between the front and the rear lot lines.

L.11: Lot, Front. The front boundary line of a lot bordering on the street and in the case of a corner lot, it may be either frontage.

L.12: Lot, Inside. A lot fronting on but one street or public alley and the remaining sides bounded by lot lines.

L.13: Lot Line. The line of demarcation between either public and private property.

L.14. Lot, Open. A lot bounded on all sides by street lines.

L.15: Lot, Width of the average horizontal distance between the side lot lines.

Part M

M.01: Masonry. A form of construction composed of stone, brick, concrete, gypsum, hollow clay tile, concrete block or tile, or other similar building units or materials or combination of these materials laid up unit by unit and set in mortar.

M.02: Masonry, Solid. Masonry of solid units built without hollow spaces.

M.03: Masonry Unit. Brick, block, tile, stone, or other similar building unit or combination thereof, made to be bonded together by a cementitious agent.

M.04: Marquee. A permanent roofed structure above a door attached to and supported by the building and projecting over a walk or side walk.

M.05: Mezzanine or Mezzanine Floor. A partial, intermediate floor in any story or room of a building having an area not more than one-half of the area of the room or space in which it is constructed.

Part N

N.01: Non-Conforming Building. A building which does not conform with the regulations of the district where it is situated as to height, yard requirements, lot area and percentage of occupancy.

N.02: Non-Conforming Use. The use of a building or land or any portion of such building or land which does not conform with the use regulation of the zone where it is situated.

Part O

O.01: Occupancy. The purpose for which a building shall also include the building or room housing such use. Change of occupancy is not intended to include change of tenants or proprietors.

O.02: Owner. Any person, company, or corporation owning the property or properties under consideration or receivers, trustees, or other duly authorized persons.

Part P

P.01: Panic Hardware. A bar which extends across at least one-half the width of each door leaf, which will open the door if subjected to pressure.

P.02: Partitions. An interior subdividing wall.

P.03: Person. A natural person, his heirs, executors, administrators or assigns, and also includes a firm, partnership, or corporation, its or their successors or assigns or their agents.

P.04: Pier. An isolated mass of masonry forming support for arches columns, girders, lintels, trustees, and similar structural parts.

P.05: Pilaster. A portion of the wall which projects on one or both sides and acts as a vertical beam, a column, or both.

P.06: Plaster, Portland Cement. A mixture of portland cement, or portland cement and lime, and aggregate and other approved materials as specified in this Code.

P.07: Plastics, Approved. Plastic materials which have a flame-spread rating of 225 or less.

P.08: Platform, Enclosed. A partially enclosed portion of an assembly room the ceiling of which is not more than 1.50 meters (5 feet) above the proscenium opening and which is designed or used for the presentation of plays, demonstrations, or other entertainment wherein scenery, drops, decorations, of the effects may be installed or used.

P.09: Public Way. A parcel of land unobstructed from the ground to the sky, more than 3.00 meters (10 feet) in width, appropriated to the free passage of the general public.

Part R

R.01: Repair. The reconstruction of renewal of any part of an existing building for the purpose of its maintenance. The word "Repairs" shall not apply to any change of construction.

Part S

S.01: Shaft. A vertical opening through a building for elevators, dumb-water, mechanical equipment, or similar purposes.

S.02: Show Window. A store window in which goods are displayed.

S.03: Site, Sanitary, Hygienic or Safe. Shall be understood to mean, among others:cralaw:red

(a) Surface condition of the site, such as being swampy, improperly drained, or filled with refuse, garbage, or filthy materials;chanroblesvirtualawlibrary

(b) Subsurface condition of the site, such as when the soil substrata will not support safely a construction or inadequate filing of an excavation or which a construction will be undertaken; or

(c) Nearness to certain hazardous places such as to constitute a danger to the proposed site, such as airports, heliports, or volcanoes.

S.04: Slum: Blighted Area; Eyesore. An area where the values of real estate tend to deteriorate because of the dilapidated, obsolescent, and insanitary condition of the building within the area. An eyesore is a building or area which is markedly unpleasant to look at.

S.05: Socalo, Masonry. The wall between the bottom of the window sill and the ground.

S.06: Soffit. The underside of a beam, lintel or reveal.

S.07: Stable. Any structure designed and intended for the enclosure, shelter, or protection of any horse, carabao, or other cattle.

S.08: Stable, Commercial. A stable wherein the animals kept are for business, racing, or breeding purposes.

S.09: Stage. A partially enclosed portion of an assembly building which is designed or used for the presentation of plays, demonstrations, or other entertainment wherein scenery, drops or other effects may be installed or used, and where the distance between the top of the proscenium opening and the ceiling above the stage is more than 1.50 meters (5 feet).

S.10: Stairway. Two or more risers shall constitute a stairway.

S.11: Stairway, Private. A stairway serving one tenant only.

S.12: Story. That portion of a building included between the upper surface of any floor and the upper surface of the floor next above, except that the topmost story shall be that portion of a building included between the upper surface of the topmost floor and the ceiling or roof above. If the finished floor level directly above a basement, cellar or unused underfloor space is more than 50 per cent of the total perimeter or is more than 3.60 meters (12 feet) above grade as defined herein at any point, such basement, cellar or unused underfloor space shall be considered as a story.

S.13: Story, Height of. The perpendicular distance from top to top of two successive tiers of floors, floor beams, joists. The clear height of a story or a room is distance from the floor to the ceiling. The clear height of balconies is measured from the highest point of the sidewalk grade to the underside of the balcony floor joists. If these joists are sealed, this clear height is measured to the underside of the sealing.

S.14: Street. Any thoroughfare or public space which has been dedicated or deeded to the public for public use.

S.15: Structure. That which is built or constructed, an edifice or building of any kind, or any piece of work artificially built up or composed of parts joined together in some definite manner.

S.16: Structural Frame. The framing system including the columns and the girders, beams, trusses, and spandrels having direct connections to the columns and all other members which are essential to the stability of the building as a whole. The members of floor or roof panels which have no connection to the columns shall be considered secondary members and not a part of the structural frame.

S.17: Suportales. The vertical supports, such as posts or stanchions, as used in indigenous or traditional type of construction. These may be free-standing as stilts or integrated into the wall structure. In the case of the former, pie de gallos (knee braces) or crosettas (cross bracings) are sometimes used.

S.18: Surface, Exterior. Weather-exposed surfaces.

S.19: Surfaces. Interior. Surfaces other than weather-exposed surfaces.

S.20: Surface, Weather-Exposed. All surface of walls, ceilings, floors, roofs, soffits, and similar surfaces exposed to the weather excepting the following:cralaw:red

(a) Ceiling and roof soffits enclosed by walls or by beams which extend a minimum of 30 centimeters (12 inches) below such ceiling or roof soffits;chanroblesvirtualawlibrary

(b) Walls or portions of walls within an unenclosed roof area, when located a horizontal distance from an exterior opening equal to twice the height of the opening; and

(c) Ceiling and roof soffits beyond a horizontal distance of 3.00 meters (10 feet) from the outer edge of the ceiling or roof soffits.

Part V

V.01: Value or valuation of a Building. The estimated cost to replace the building in kind, based on current replacement costs.

V.02: Vault. Any surface of underground construction covered on top, or any fire-proof construction intended for the storage of valuables.

V.03: Veneer. Nonstructural facing of brick, concrete, stone, tile, metal, plastic, or other similar approved material attached to a backing for the purpose of ornamentation, protection, or insulation.

V.04: Veneer, Adhered. Veneer secured and supported through adhesion to an approved bonding material applied over an approved backing.

V.05: Veneer, Anchored. Veneer secured to and supported by approved mechanical fasteners attached to and approved backing.

V.06: Veneer, Exterior. Veneer applied to weather-exposed surfaces.

V.07: Veneer, Interior. Veneer applied to surfaces other than weather-exposed surfaces.

Part W

W.01: Wall, Bearing. A wall which supports any load other than its own weight.

W.02: Wall, Cross. A term which may be used synonymously with a partition.

W.03: Wall, Curtain. The inclosing wall of an iron or steel framework or the nonbearing portion of an inclosing wall between piers.

W.04: Wall, Dead. A wall without openings.

W.05: Wall, Exterior. Any wall or element of a wall or any number or group of members, which defines the exterior boundaries or courts of a building.

W.06: Wall, Faced. A wall in which the facing and backing are so bonded together that they act as a composite element, and exert a common action under load.

W.07: Wall, Fire. Any wall which subdivides a building so as to resist the spread of fire, by starting at the foundation and extending continuously through all stories to, or above, the roof. Extension above the roof is 1.00 meter (3 feet, 3 inches).

W.08: Wall, Foundation. That Portion of an inclosing wall below the first tier of floor joists.

W.09: Wall, Height of. The perpendicular distance measured from its base line either at the grade or at the top of the girder to the top of the coping thereon. Foundation and retaining walls are measured from the grade downward to the base of the footing.

W.10: Wall, Nonbearing. A wall which supports no lead other than its own weight.

W.11: Wall, Parapet. That part of any wall entirely above the roofline.

W.12: Wall, Party. A wall separating two or more buildings, and used or intended to be used in common by the said buildings.

W.13. Wall, Retaining. Any wall used to resist the lateral displacement of any material; a subsurface wall built to resist the lateral pressure of adjoining earth, or enclosing wall to resist the lateral pressure of internal loads.

W.14: Wall, Thickness of. The minimum thickness measured on the bed.

W.15: Window. An opening through a wall of a building to the outside air for the purpose of admitting natural light and air.

W.16: Window, Oriel. A projecting window similar to a bay window, but carried on brackets or corbels. The term "bay window" may also be applied to an oriel window projecting over the street line.

W.17: Wire Backing. Horizontal strands of tautened wire attached to surfaces vertical wood supports which, when covered with building paper, provide a backing for portland cement plaster.

Part Y

Y.01: Yard or Patio. The vacant space left in a lot between the building and the property line.

Y.02: Yard, Rear. The yard lying between the side lot lines and the nearest lot line and the nearest building line.

Y.03: Yard, Side. The yard lying between the side line and the nearest building line and between the front and the rear yards.

National Building Code of the Philippines
Annex "A"
Annex "B"
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