ASME B30.27-2019 pdf download

ASME B30.27-2019 pdf download.Material Placement Systems.
Phrase the questionas arequestforaninterpretationof a specific provision suitable for general understanding and use, not as a request for approval of a proprietary design or situation. Plans or drawings that explain the question may be submitted to clarify the question. However, they should not contain any proprietary names or information. Read carefully the note addressing the types of requests that the B30 Standards Committee can and cannot consider. Upon submittal, the request will be forwarded to the relevant B30 Subcommittee for a draft response, which will then be subject to approval by the B30 Standards Committeepriorto itsformalissuance.  It is therefore essential to have personnel involved intheuseandoperationofequipmentwho arecompetent, careful, physically and mentally qualified, and trained in theproperoperationofthe equipmentand thehandlingof loads. Serious hazards include, but are not limited to, improper or inadequate maintenance, overloading, drop- pingorslippingofthe load, obstructingthe free passage of the load, and using equipment for a purpose for which it was not intended or designed. The B30 Standards Committee fully realizes the impor- tance of proper design factors, minimum or maximum dimensions, and other limiting criteria of wire rope or chain and their fastenings, sheaves, sprockets, drums, and similar equipment covered by the Standard, all of which are closely connected with safety. Sizes, strengths, and similar criteria are dependent on many different factors, often varying with the installation and uses. These factors depend on (a) the condition of the equipmenhopper: a receptacle for the material to be transported, which can include an agitator, a mixer, or both. manual valve: a valve whose manual actuator is the only means of valve actuation. manualvalveoverride:amechanicalvalveactuatorusedto operate an electrically controlled valve in emergency or breakdown situations. maximum support force: the maximum force exerted on the supporting surface at any one outrigger. metric connection: a type of pipe connection where the raised flange diameter, shape, and thickness are manufac- tured to metric specifications. normal operating conditions: conditions during which equipment is performing functions within the scope of the original design. Under these conditions, no one other than the operator is on the equipment. original language(s): language(s) used by the manufac- turer to develop and verify product instructions and manual(s). outrigger: extendable or fixed members attached to the mounting base, which rest on supports at the outer ends used to support the equipment.
placingbooms:manualorpowerdriven, slewableworking devices consisting of one or more extendable or foldable parts supporting the material delivery system, and directing the discharge into the desired location. priority switching: transferring control of one or more functions from a control location to a different control location. qualified person: a person who, by possession of a recog- nized degree in an applicable field, orcertificate ofprofes- sional standing, or who by extensive knowledge, training, and experience, has successfully demonstrated the ability to solve orresolve problems relatingto the subjectmatter and work. raised-endconnection:atypeofpipeconnectionwherethe raised flange is tapered and self aligning.remote control: a portable control device connected to the machinebyawire cable orlinked byradio orothermeans. safety device: a means placed in use for the specific purpose of preventing an unsafe condition. sheave: a grooved wheel or pulley used with a rope to change the direction and point of application of a pulling force. shortrigging:one ormore outriggers notfullyextendedon the side away from the boom operational area. signalperson:apersonpositionedatavantagepointwhere both the point ofdischarge and the operator ofthe mate- rial placement system can be seen and who relays opera- tional signals to the operator. specifictype(ofmaterialplacementsystem): amodel, style, or size classification of material placement system (e.g., three section boom, four section boom, 50 meter class, conveyor). spotter: a person positioned at a vantage point where the distance between a hazard and the material placement system can be clearlyseen and evaluated and the material placement system’s operator can be alerted ifa predeter- mined safety distance is compromised. waterbox: the structural member holding the differential hydraulic cylinders in alignment with the material cylin- ders, which contains the flushing water.