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A boom in construction projects means increased use of mobile cranes, and establishing a standard for safety helps to prevent mobile crane failures and ultimately, helps to protect workers and the general public. The third edition of Z150 applies to hoisting and lifting activities and describes the design, construction, load rating, installation, erection, inspection, maintenance, repair, modification, test, and operation of lattice and telescopic boom mobile cranes.
This is the third edition of CSA Z150, Safety code on mobile cranes. It supersedes the previous editions published in 1998 and 1974.
This Standard describes the design, construction, load rating, installation, erection, inspection, maintenance, repair, modification, test, and operation of lattice and telescopic boom mobile cranes.
Note: See Annex A for illustrations of mobile cranes and Annex B for illustrations of parts of a mobile crane.
This Standard applies only to machines that have all of the following fundamental characteristics:
(a) the crane comprises, or is mounted on, a non- or self-propelled, crawler- or wheel-mounted mobile base;
(b) the crane is designed and manufactured for the primary purpose of hoisting and lowering loads by means of tackle suspended from a boom;
(c) the boom is lattice or telescopic and capable of being elevated and lowered in the vertical plane and of being rotated (swung) from side to side in the horizontal plane;
(d) the tackle is suspended from the boom and is capable of being increased and diminished in length; and
(e) the crane utilizes an engine(s) or motor(s) of sufficient power to
(i) elevate and lower the boom in the vertical plane with the load suspended from the tackle;
(ii) rotate (swing) the boom in the horizontal plane with the load suspended from the tackle;
(iii) increase and diminish the length of the tackle with the load suspended from the tackle; and
(iv) in the case of a self-propelled crane, propel the vehicle, carrier, or base on which or to which the boom and hoist mechanism is attached.
This Standard applies to crawler-mounted cranes, commercial truck-mounted cranes, and boom trucks and wheel-carrier-mounted cranes, as well as any variations thereof that retain the fundamental characteristics of these cranes.
This Standard is applicable only to machines when they are used for lifting (hoisting).
Note: Some basic machine types within this scope are used alternatively for hoisting service and for applications not considered to be hoisting service. All of the requirements of this Standard are applicable to such machines when used for hoisting service. Clause 4.14 contains requirements for machines when used in other than hoisting service.
Machines within the scope of Clause 1.3, and equipped with hooks, magnets, grapples, clam shell buckets, orange peel buckets, and other devices intended to connect or attach the tackle to the load for the purpose of hoisting or lowering a freely suspended load, are considered to be in lifting (hoisting) service.
This Standard does not apply to
(a) machines within the scope that have been converted or adapted for uses not considered to be lifting (hoisting) services. These conversions and applications include power shovels, excavators, draglines, concrete pumps (see CAN/CSA-Z151), conveyors, augers, drills, and amusement rides (e.g., bungee jumping);
(b) articulating boom (knuckle boom) cranes;
(c) hydraulic and cable-operated excavating equipment, (e.g., power shovels and backhoes);
(d) automotive wreckers and tow trucks designed to clear wrecks and haul vehicles;
(e) railway cranes, locomotive-mounted cranes, and rail-mounted cranes;
(f) side boom tractors, as used in pipeline work (see ASME B30.14);
(g) mobile lifting devices designed specifically for use in power line and electric utility service, such as digger derricks (radial boom derricks) intended to auger holes for and to set power and telephone poles (see ANSI/ASSE A10.31);
(h) vehicle-mounted aerial devices (see CAN/CSA-C225);
(i) trolley boom cranes (under running trolley hoist);
(j) truck-mounted overhead, gantry, and bridge cranes;
(k) stacker cranes;
(l) self-propelled elevating work platforms (see CAN/CSA-B354.1, CAN/CSA-B354.2, and CAN/CSA-B354.4);
(m) lift (forklift) trucks equipped with booms; and
(n) tower cranes (i.e., fixed, climbing, mobile, travelling, and self-erecting) (see CAN/CSA-Z248).
In CSA standards, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the standard.
Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.
Notes to tables and figures are considered part of the table or figure and may be written as requirements.
Annexes are designated normative (mandatory) or informative (nonmandatory) to define their application.
The values given in SI units are the units of record for the purposes of this Standard. The values given in parenthesis are for information and comparison only.