Carrying up a portion of a masonry wall to a greater height than the remainder. The difference in level is taken up by a series of steps, each one course high, to facilitate bonding of courses subsequently added.
A heating system using the floor, ceiling, or walls, as heating panels.
RAFTER - Common
In roof construction, a timber framing member providing the principal support for the roofing material.
Cripple: A rafter connecting hip and valley.
Crippled Jack: A rafter connecting end of ridge to valley.
Hip: A rafter following the lie of the external intersection of two roof surfaces.
Hip Creeper: A rafter connecting wall plate and hip.
Jack: A rafter that abuts against the end of a ridge or fits in the intersection of two hips.
Principal: The upper timbers in a truss having the same inclination as the common rafters.
Valley: A rafter following the line of the internal intersection of two roof surfaces. .
Valley Creeper: A rafter connecting ridge and valley.
In masonry, a unit provided with a groove into which metal flashing is fitted of to receive adjoining material.
A piece of timber or metal extending from one post to another, as in fences, balustrades, staircases, etc, in joinery framing and panelling, the horizontal members are called rails, e.g. in doors, top rail, lock rail, bottom rail.
Angle: A rail,sometimes used in fencing,obtained by diagonally cutting square timber, thus forming a triangular cross section.
Bevel: See 'RAIL, Splayed
Chair: A rail placed on a wall face at chair back height to prevent damage to a wall.
Hand: A length of timber or other material placed at a convenient height as a guide and support for the hand, e.g. the hand rail of stairs.
Meeting: The two rails in a pair of double hung sashes which meet when closed at of near the centre of the frame. (See at so 'WINDOW, doublehung')
Picture: A rail, plain of moulded, fixed to a wall of a room at or above door head height.
Plate: A rail placed on flat, supported by and projecting beyond a similar rail fixed on the face of the wall.
Splayed or a bevel: A length of timber with one face cut at an angle other than 90°.
RAIN WATER HEAD
A shaped funnel used for the collection of roof water and placed between gutter and down-pipe.
The inclined portion or slope of a cornice or roof.
RAKE OR RAKING BOND
The courses of brick laid in an angular or diagonal fashion.
See JOINT, Raked
To compact or consolidate, e.g. the consolidation of earth around fence posts, footings. (See also 'PUDDLEl
See PISÉ CONSTRUCTION
An inclined passage or pathway. See also 'PREFERRED angle
Masonry in which the stones are laid in a hit and miss bond. See also 'WALL, Rubble
See RUBBLE MASONRY
RATWALL Rat Baffle wall)
Required under the Health Regulations in Queensland: a perimeter wall around all concrete slabs poured on the ground and extending some distance under the ground to prevent nesting of rats under the concrete slab.
A step-shaped reduction cut along an edge or face or projecting angle of wood.
A material moulded to provide a recess on both sides of the same face, as for the fitting of doors or windows. See also 'REBATE)
General term applied to various kinds of ornamental moulding (e.g. a small convex of semi cylindrical moulding resembling a reed).
See GRID, Reference
See PLANE, Reference
See SYSTEM, Reference
Valve to prevent backwardflow.
To strengthen by th addition of new or extra material e.g reinforced concrete, steel rods are embedded to give additional strength.
REINFORCED CONCRETE CONSTRUCTION
Building construction in which the principal structural members are made of concrete which is poured around isolated steel bars, or steel meshwork, in such a way that the two materials act together.
Prefabricated steel reinforcement for concrete,consisting of an oblong of square mesh of parallel steel wires welded at points of contact and manufactured in fiat sheets or rolls.
Steel bars of various sizes and shapes used in concrete construction for giving added strength.
The covering of a wall surface with one or more coats of cement mortar.
RESIN (Gum arabic)
Gummy substance obtained from the secretions of certain trees and plants and used extensively in the manufacture of plastic materials.
Any wall subjected to lateral pressure other than wind pressure and built to retain material.
To divide, mark,or construct so as to form a net work.
A term denoting that a feature has been continued at another angle.
The pipe by which the water leaves the hot-water cylinder and returns to the boiler in a water-heating system.
The thickness of wall from the wall face to the door or window frame. The remainder of the thickness of wall is known as the 'jamb'.
REVERBERATION PERIOD (Reverberation Time)
The period of time, in seconds required for sound of a certain frequency to degrease, after the source is silenced, to one millionth of its initial value, or by 60 decibels. It depends mainly on the volume and the absorption of the room. The higher the absorption, the lower the reverberation period.
REVETMENT A facing of masonry or concrete on an embankment or rampart.
A door with vanes operating in a cufvedf rame and mounted on a central vertical axis about which it revolves.
A ridge along a surface serving to support or strengthen onto provide a decorative feature.
The highest paft of the roof of a building at the meeting of the upper end of the rafters.
A board on edge running the length of a roof, etween the tops of the common rafters.
Moulded sectionfixed over the apex of a ridge or hip in a foof to provide a continuous cover at the intersection of the two roof slopes. (See 'Hlp', 'RIDGE'.)
A ventilation device in the top of a roof. lt can be a covered opening at ends of a ridge or be a part of the ridge raised to provide an airflow to and from the roofspace.
Door which swings from or towards you with the lockor latch on your right hand side, when you face the doorfromthe outside.
RIGNT HAND STAIRWAY
Stairswhere the handrail is on the right as you ascend the stairs.
A lock finished with a rim or casing for fixing to the surface of a door or gate.
Referred to a service which 'rings' a buildingenabling connection at any point. Also a service which 'rings' a floor of a building.
The distance though which anything rises (e.g. the rise of a stair, the rise of a roof).
Thevertical board under the tread of a stair.
An electrical power supplycable, gasmain,or water supply pipe which passes up though one or more storeys of a building.
Bolts or pins made of soft metal used to fasten two plates (usually metal) together.
Wooden battens with a rounded upper surface fixed on a roof in the direction of the slope to provide thesupport for raised joints between runs of sheet metal roofing. Used mainly on nearly flat roofs oven.
Bulk excavation work: In bulk excavation work, the nature of the ground shall be classified as 'other than rock or boulders', 'soft rock' and 'hard rock'.
Other than rock or boulders refers to material which can be excavated by hand or mechanical means without the use of a ripper.
Soft rock refers to materials which can be excavated by mechanical means involving the use of ripper, ripping if necessary in two directions and using equipment operated by a tractor of 'D9' class or equivalent, provided that such rock cannot be excavated without the use of a ripper. Material which is cleanly established as not passing the test as described for 'other than rock of boulders' will also be accepted in this category.
Hard rock refers to material which cannot be excavated by means other than blasting or pneumatic tools.
Trench, pit and column base excavation: In trench, pit and column base excavation work, the nature of the ground shall be classified as 'rock', 'boulders' and 'other than rock or boulders'.
Rock in excavations for trenches and column bases is defined as all rock found in ledges or masses in its original position which can be removed only by the use of blasting or pneumatic tools.
Other than rock in excavations for trenches and column bases shall include all materials to be excavated and not covered by the definition of 'rock'.
Boulders shall mean portions of 'rock' disassociated from their parent source.
Ridge tiles finished with a roll or cylindrical projection along the apex.
ROLLED STRIP ROOFING
Any roofing material which comes from the dealers in rolls.
See 'SKILLION', 'LEAN-TO
The parts of a roof, such as rafters, ridge and plates- See also 'FRAMEWORK
See GUTTER, roof or eaves
The material put on a roof to make it water tight.
Heavy nail with a large head, designed for use in attaching roofing material.
Boarding nailed on roof rafters and over which roofing is laid.
Tension members, fastened to rafters above the pate line, to prevent walls and roof from spreading (e.g. ceiling joists, collar ties). See 'TIE, collar
A truss providing structural support for a roof.
ROOF ZONE HEIGNT
See 'HEIGHT, Roof Zone
Resin in solid form which is used extensively as a soldering flux and in varnishes and paints.
A platform for public speaking.
A fungus disease in timber mainly caused by poor ventilation, in which the fibres of the timber are reduced to a dry powdery dust.
A fungus disease in timber caused by excessive and continuous dampness, that results in the decomposition of the timber fibres
A circular building or hall usually covered by a dome.
External finish to a wall surface obtained by mixing bluestone toppings or pebbles, sand and cement to a creamy consistency and casting, or throwing, the aggregation on to the surface.
A subfloor base for the laying of the finished floor material.
The concealed hardware in a building (eg. bolts, nails, and spikes).
A dull finish produced by rubbing a varnished or shellacked surface with powdered pumice stone and water.
Rough broken stones or bricks used to fill in courses of walls or for other filling.
Concrete reinforced by broken stones (e.g solid masonry dams).
RUBBLE MASONRY (Rubblework)
Masonry built of rough fragments of broken, unsquare a or rudely dressed stones, irregular in size and shape. When only the roughest irregularities are removed, it is sometimes called SCABBLED RUBBLE, and when the stones in each course are roughly dressed to almost a uniform height, it is often called RANGED RUBBLE.
See WALL, rubble
A long straight edge used to straighten, measure or level the work.
The act of producing or forming lengths of moulding, flooring.
The preparation of rocklime for putty.
A series of dimensions starting from zero and incrementally dimensioning features of portion of a building or site.
The treatment of a stone wall, where separate blocks are left with a rough hewn surface projecting from the line of the joints, which are deeply recessed in chamfered or rectangular grooves. Also applied to weatherboards.