Section 2(z) in U.P. Building And Other Construction Workers (Regulation Of Employment And Conditions Of Service) Rules, 2009
(z)"independent tied scaffold" means a scaffold, the working platform of which is supported from the base by two or more rows of standards and which apart from the necessary ties stands completely free of the building;(za)"ledger" means a member spanning horizontally and tying scaffolding longitudinally and which acts as a support for putlogs or transoms;(i)for the passage of building workers or materials to or from a tunnel or(i)when a wall shows signs of bulging out due to bad workmanship;(i)relevant standards approved by Bureau of Indian Standards;(i)split heads;(ii)folding;(iii)step-ladder;(iv)tripods; or(v)movable contrivances similar to any of the foregoing.(zzr)"tubular scaffold" means a scaffold constructed from tubes and couplers;(zzs)"tunnel" means a subterranean passage made by excavating beneath the over burden into which a building worker enters or is required to enter to work;(zzt)"underground" means any space within the confines of a shaft, tunnel, caisson or cofferdam,(zzu)"vehicle" means a vehicle propelled or driven by mechanical or electrical power and includes a trailer, traction engine, tractor, road-building machine and transport equipment;(zzv)"working chamber" means the part of the construction site where work in a compressed air environment is carried out, but does not include a man-lock or medical-lock;(zzw)"working platform" means a platform which is used to support building workers or materials and includes a working stage;(zzx)"working pressure" means pressure, in working chamber, to which building worker is exposed;(zzy)"workplace" means all places where building workers are required to be present or to go for work and which are under the control of an employer.(ii)national building code;(iii)manufacturer's instructions on safe use of equipment and machinery;(iv)code of practice on safety and health in construction industry published by International Labour Organization and amended from time to time.(zzk)"steel rib" includes all steel beams and other structural members shaped to conform to the requirements of a particular tunnel cross section, used for the purpose of supporting and stabilizing the excavated areas;(zzl)"suspended scaffold" means a scaffold suspended by means of ropes or chains and capable of being raised or lowered but does not include a boatswain's chair or similar appliance;(zzm)"testing establishment" means an establishment with testing and examination facilities, as approved by the Central Government or State Government in India for carrying out testing, examination, annealing or similar other test or certification of lifting appliances or lifting gear or wire rope as required under these rules;(zzn)"tie" means an assembly used to connect a scaffold to a rigid anchorage;(zzo)"toe board" means a member fastened above a working platform, access landing, access way, wheel barrow run, ramp or other platform to prevent building workers and materials falling therefrom;(zzp)"transom" means a member placed horizontally and used to tie transversely one ledge to another, or one standard to another in an independent tie scaffold;(zzq)"trestle scaffold" includes a scaffold in which the supports for the platform are any of the following, which are self-supporting, namely -(ii)when a wall cracks due to unequal settlement of foundation, and the cracked wall needs repair;(iii)when an adjacent structure is to be dismantled; and(iv)when opening are to be made or enlarged in the wall;(zzf)"sole plate" means a member used to distribute the load from the base plate or the standard of wooden scaffolds to the supporting surface;(zzg)"sound or good construction" means construction conforming to the relevant National or State standard whichever is applicable or in case such national standards do not exist, to other generally accepted international engineering standards or code of practices;(zzh)"sound or good material" means materials of a quality conforming to the relevant national or state standards whichever is applicable or in case such national standards do not exist, to other generally accepted international engineering standards or code of practices;(zzi)"standard" in relation to bay in Rule 2(e) means a member used as a vertical support or column in the construction of scaffolds which transmits a load to the ground or to the solid construction;(zzj)"standard safe operating practices" means the practice followed in building and other construction activities for the safety and health of workers and safe operation of machineries and equipment used in such activities and such practices conforms to all or any of the following, namely -(ii)leading to an existing tunnel;(zzd)"shield" means a movable frame which supports the working face of a tunnel and the ground immediately behind it and includes equipment designed to excavate and support the excavated areas in a tunnel;(zze)"shoring" means the construction of a temporary structure to support temporarily an unsafe structure. These render lateral support to walls and are used under the following circumstances -(zb)"lifting appliance" means a crane, hoist, derrick, winch, gin pole, sheer legs, jack, pulley block or other equipment used for lifting materials, objects or building worker;(zc)"lifting gear" means ropes, chains, hooks, slings and other accessories of a "lifting appliance";(zd)"lock attendant" means the person in charge of a man-lock or medical lock and who is immediately responsible for controlling the compression, recompression or decompression of persons in such locks;(ze)"low pressure air" means air supplied to pressurize working chambers and man-locks and medical locks;(zf)"magazine" means a place in which explosives are stored or kept, whether above or below ground;(zg)"man lock" means any lock, other than a medical lock, used for the compression or decompression of persons entering or leaving a working chamber;(zh)"material hoist" means a power or manually operated and suspended platform or bucket operating in guide rails and used for raising or lowering material exclusively and operated and controlled from a point outside the conveyance;(zi)"materials lock" means a chamber through which materials and equipment pass from one air pressure environment into another;(zj)"medical lock" means a double compartment lock used for the therapeutic recompression and decompression of persons suffering from the ill-effects of decompression;(zk)"national standards" means standards as approved by the Bureau of Indian Standards and in the absence of such standards, the standards approved by the State Government or the State Government (sic Central Government) for a specific purpose;(zl)"outrigger" means a structure projecting beyond the facade of a building with the inner end being anchored and includes a cantilever or other support;(zm)"plant or equipment" includes any plant, equipment, gear, machinery, apparatus or appliance, or any part thereof;(zn)"pressure" means air pressure in bars above atmospheric pressure;(zo)"pressure plant" means the pressure vessel along with its piping and other fittings operated at a pressure greater than the atmospheric pressure;(zp)"putlog" means a horizontal member on which the board, plank or decking of a working platform are laid;(zq)"responsible person" means a person appointed by the employer to be responsible for the performance of specific duty or duties and who has sufficient knowledge and experience and the requisite authority for the proper performance of such duty or duties;(zr)"reveal tie" means the assembly of a tie tube and fittings used for tightening a tube between two opposite surfaces;(zs)"right angle coupler" means a coupler, other than a swivel or putlog coupler, used for connecting tubes at right angles;(zt)"rock belt" means a mechanical expansion bolt or a bolt used with cementitious or resin anchoring system which is set in drilled hole in the arch or wall of a tunnel to improve rock competency;(zu)"roofing bracket" means a bracket used in sloped roof construction and having sharp points or other means for fastening to prevent slipping;(zv)"safety screen" means an air and water tight diaphragm placed across the upper part of a compressed air tunnel between the face and bulkhead, in order to prevent flooding the crown of the tunnel between the safety screen and the bulkhead to provide a safe means of refuge and exit from a flooding or flooded tunnel;(zw)"safe working load" in relation to an article of lifting gear or lifting appliances, means the load which is the maximum load that may be imposed on such article or appliance with safety in the normal working conditions as assessed and certified by a competent person;(zx)"scaffold" means any temporarily provided structure on or from which building workers perform work in connection with building or other construction work to which these rules apply, and any temporarily provided structure which enables building workers to obtain access to or which enables materials to be taken to any place at which such work is performed, and includes any working platform, gangway, run, ladder or stepladder (other than a ladder or stepladder which does not form part of such structure) together with any guardrail, toe board or other safeguards and all fixings, but does not include lifting appliance or a lifting machine or a structure used merely to support such an appliance or such a machine or to support other plant or equipment;(zy)"section" means a section of the Act;(zz)"schedule" means a Schedule appended to these rules;(zza)"segment" includes a cast iron or precast concrete segmented structure formed to the curvature of the tunnel cross-section and used to support the ground surrounding the tunnel;(zzb)"service shaft" means a shaft for the passage of building workers or materials to or from a tunnel under construction;(zzc)"shaft" means an excavation having a longitudinal axis at an angle greater than forty-five degree from the 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