ASME B30.27:2009 pdf download

ASME B30.27:2009 pdf download.Material Placement Systems
Volume B30.27, Material Placement Systems, in- cludes provisions that apply to the construction, in- stallation, operation, inspection, testing, and mainte- nance of trailer and truck-mounted material placement systems. Included in this are mechanical and hydraulic pea gravel systems, mobile telescoping boom convey- ors, separate placing booms, and material placement accessories (see Figs. 1 through 4). Truck-mounted ma- terial placement systems can be either with or without an integral placing boom. This Volume does not apply to the conveyor parts of mobile telescoping boom conveyors, mortar conveying and spraying machines, or dry mix shotcreting ma- chines. The conveyor section of these machines is cov- ered by ASME B20.1
concrete delivery hose: a flexible delivery hose having a coupling on each end. control panel: controls mounted on the material place- ment system. delivery systems: delivery lines, pipes, hoses, attachment components, and transfer valves, through which mate- rial is transported (see Fig. 4). designated person: a person selected or assigned by the employer or the employer’s representative as being competent to perform specific duties. durably marked: a method of attaching information to a part, assembly, or machine that will satisfy the need for the marking. For example, in the case of pipe or hose components, a marking that would last until the com- ponent is installed on a machine or put into use would be considered durably marked. For all other items re- quired to be durably marked, the marking would last for the expected life of the part or machine under rea- sonably foreseeable circumstances. end hose: a flexible concrete delivery hose that only has one coupling.fixed guard: a component used to shield the user from machine interaction and attached by mechanical means. On material placement systems, temporary or remov- able guards do exist, such as a hopper grate that rotates up for cleaning but is covered by a separate safety switch. grooved connection: a type of pipe connection where a groove is machined or rolled directly into the outside of the pipe wall, creating a flange height of less than 0.15 in. (3.8 mm). hopper: a receptacle for the material to be transported, which can include an agitator, a mixer, or both. manual valve override: a mechanical valve actuator used to operate an electrically controlled valve in emergency or breakdown situations. manual valves: a valve whose manual actuator is the only means of valve actuation. 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 manu- factured to metric specifications. normal operating conditions: conditions during which a material placement system is performing functions within the scope of the original design. Under these con- ditions, no one other than the operator is on the mate- rial placement system. outrigger: extendable or fixed members attached to the mounting base, which rest on supports at the outer ends used to support the machine. placing booms: manual or power driven, slewable work- ing devices, consisting of one or more extendable or foldable parts supporting the material delivery sys- tem, 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, or certificate of pro-fessional standing, or who by extensive knowledge, training, and experience, has successfully demonstrated the ability to solve or resolve problems relating to the subject matter and work. raised-end connection: a type of pipe connection where the raised flange is tapered and self aligning. rated load: maximum allowable working load designated by the manufacturer. remote control: a portable control device connected to the machine by a wire cable or linked by radio or other means. safety device: a means placed in use for the specific pur- pose 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.