1、Printed in U.S.A.ASSEAMERICAN SOCIETY OFSAFETY ENGINEERSAMERICAN NATIONAL STANDARDANSI/ASSE A10.31 2013ANSI/ASSE A10.31 2013Safety Requirements, Definitions andSpecifications for Digger DerricksAmerican National Standardfor Construction and Demolition OperationsANSI/ASSE A10.31 2013The information a
2、nd materials contained in this publication have been developed from sources believed to be reliable. However, the American Society of Safety Engineers (ASSE) as secretariat of the ANSI accredited A10 Committee or individual committee members accept no legal responsibility for the correctness or comp
3、leteness of this material or its application to specific factual situations. By publication of this standard, ASSE or the A10 Committee does not ensure that adherence to these recommendations will protect the safety or health of any persons, or preserve property. ANSI ANSI/ASSE A10.31 2013 American
4、National Standard Construction and Demolition Operations Safety Requirements, Definitions and Specifications for Digger Derricks Secretariat American Society of Safety Engineers 1800 East Oakton Street Des Plaines, Illinois 60018-2187 Approved September 23, 2013 Effective September 1, 2014 American
5、National Standards Institute, Inc. Approval of an American National Standard requires verification by ANSI that the requirements for due process, consensus, and other criteria for approval have been met by the standards developer. Consensus is established when, in the judgment of the ANSI Board of S
6、tandards Review, substantial agreement has been reached by directly and materially affected interests. Substantial agreement means much more than a simple majority, but not necessarily unanimity. Consensus requires that all views and objections be considered, and that a concerted effort be made towa
7、rd their resolution. The use of American National Standards is completely voluntary; their existence does not in any respect preclude anyone, whether he/she has approved the standards or not, from manufacturing, marketing, purchasing, or using products, processes, or procedures not conforming to the
8、 standards. The American National Standards Institute does not develop standards and will in no circumstance give an interpretation of any American National Standard. Moreover, no person shall have the right or authority to issue an interpretation of an American National Standard in the name of the
9、American National Standards Institute. Requests for interpretation should be addressed to the secretariat or sponsor whose name appears on the title page of this standard. Caution Notice: This American National Standard may be revised or withdrawn at any time. The procedures of the American National
10、 Standards Institute require that action be taken periodically to reaffirm, revise, or withdraw this standard. Purchasers of American National Standards may receive current information on all standards by calling or writing the American National Standards Institute. Published February, 2014 by Ameri
11、can Society of Safety Engineers 1800 East Oakton Street Des Plaines, Illinois 60018-2187 (847) 699-2929 www.asse.org Copyright 2014 by American Society of Safety Engineers All Rights Reserved. No part of this publication may be reproduced in any form, in an electronic retrieval system or otherwise,
12、without the prior written permission of the publisher. Printed in the United States of America American National Standard Foreword (This Foreword is not a part of American National Standard A10.31-2013.) This standard is one of a series of safety standards that have been formulated by the Accredited
13、 Standards Committee on Safety in Construction and Demolition Operations, A10. It is expected that the standards in the A10 series will find a major application in industry, serving as a guide to contractors, labor, and equipment manufacturers. For the convenience of users, a list of existing and pr
14、oposed standards in the A10 series for Safety Requirements in Construction and Demolition Operations follows. A10.1 Pre-Project resulting in the conductors being insulated from each other. Examples are insulating boom and insulating gloves. 3.1.22 Insulating Digger Derrick. A digger derrick with die
15、lectric components designed and tested to meet the phase-to-ground electrical insulating rating for 46 kV AC maximum phase-to-phase line voltages. The fiberglass boom resists an electrical path to ground for current, should the boom tip inadvertently contact or come in close proximity to an energize
16、d conductor. The digger derrick is electrically tested per Section 5 to ensure its ability to resist the conduction of electricity. 3.1.23 Insulating Liner. A digger derrick platform insert made of material having a high dielectric strength. 3.1.24 Lessee. A person(s) or entity to whom a digger derr
17、ick is provided by lease, rental, loan or other arrangement. A lessee may also be a dealer, owner, user or operator. 3.1.25 Lessor. A person(s) or entity that leases, rents, loans or otherwise provides a digger derrick to another party for the beneficial use of that party (the user). A lessor may al
18、so be a dealer, manufacturer, owner, lessee, user or operator. 3.1.26 Load (working). The external load in pounds applied to the digger derrick, including the weight of load-attaching equipment such as load block, shackles, rope and slings. 3.1.27 Load Block. A component con-sisting of a sheave or s
19、heaves, and a load attachment point that is used for multiple parting of the load line. 3.1.28 Load Hoist Winch. The winch drum, and the mechanism that powers the drum, used for lifting or lowering loads with a winch rope or cable. 3.1.29 Manufacturer. A person or entity that makes, builds or produc
20、es a digger derrick. 3.1.30 Mobile Unit. A combination of a digger derrick, its chassis and related equipment. 3.1.31 Model. The manufacturers desig-nation for the digger derrick specified. 3.1.32 Non-Destructive Examination (NDE). The examination by various means of devices or their components, wit
21、hout AMERICAN NATIONAL STANDARD A10.31-2013 15 alteration of the original components, so that they may function as before. These Include, but are not limited to, visual inspection (VT), acoustic emissions (AE), magnetic particle (MT), liquid penetration (PT), ultrasonic (UT) and dielectric (DT). 3.1
22、.33 Non-Ductile Materials. Materials that have an elongation at failure of less than 10% in a gauge length of 2 inches (51mm) on a standard test specimen. 3.1.34 Operating Pressure. The maxi-mum hydraulic or pneumatic pressure at which a system or circuit operates to obtain performance and capacity
23、specified by the manufacturer. 3.1.35 Operator. A person trained, auth-orized and engaged in the operation of the digger derrick. 3.1.36 Override. The takeover of digger derrick movement and winch control func-tions at the platform controls by the activation of the lower control station controls. 3.
24、1.37 Owner. A person or entity who has possession of a digger derrick by virtue of proof of purchase. 3.1.38 Payload. All tools, materials, fuel and occupants carried by the mobile unit, which are not permanently affixed to the vehicle. 3.1.39 Pilot Operated Holding Valve. A valve designed to contro
25、l an over running load on a hydraulic component, and to hold pressure within the component when desired. 3.1.40 Pilot Operated Lock Valve. A check valve that can only be operated by applying hydraulic pressure to a pilot line and that is commonly used to hold hydraulic pressure in a hydraulic cylind
26、er. 3.1.41 Platform. The personnel-carrying component of a digger derrick such as bucket, basket, stand or equivalent. 3.1.42 Platform Capacity. The compo-nent of rated load capacity consisting of the weight of personnel and all items carried on or in the platform including liner. 3.1.43 Qualified P
27、erson. A person who, by possession of an appropriate technical degree, certificate, professional standing or skill, and who, by knowledge, training and experience, has demonstrated the ability to deal with problems relating to the subject matter, the work or the project. 3.1.44 Rated Load Capacity.
28、The maxi-mum load, specified by the manufacturer, which can be lifted by the digger derrick at regular intervals of load radius, boom angle and boom extension with specified options installed and in consideration of stability requirements. Unless otherwise specified, these loads are vertical. 3.1.45
29、 Shall. The use of the word shall is to be understood as mandatory, and having the same effect as must and will. 3.1.46 Should. The use of the word should is to be understood as advisory, and having the same effect as recommended. 3.1.47 Stability. A condition of a mobile unit in which the sum of th
30、e moments which tend to overturn the unit is less than the sum of the moments tending to resist overturning. 3.1.48 Unloaded Vehicle Weight (UVW). The total weight of a completed vehicle unit without payload. 3.1.49 User. A person(s) or entity who has care, control and custody of the digger derrick.
31、 This person(s) or entity may also be the employer of the operator, a dealer, an installer, owner, lessor or operator. AMERICAN NATIONAL STANDARD A10.31-2013 16 3.1.50 Vehicle. A mobile carrier for a digger derrick (see Chassis). 3.1.51 Voltage. Rated Line Voltage. The nom-inal phase-to-phase volt-a
32、ge at which electrical systems are rated. Design Voltage. The maxi-mum rated line voltage for which the digger derrick has been designed, and for which it can be qualified. Qualification Voltage. The rated line voltage for which the digger derrick has been actu-ally tested. 3.1.52 Winch Capacity. Th
33、e maximum force specified by the manufacturer that can be pulled on the first layer of rope or cable on the winch drum at rated hydraulic system pressure. 3.1.53 Winch Drum. The cylinder barrel, along with end flanges, on which the winch rope or cable is wound. 3.2 Nomenclature. To promote clear com
34、munication between the manufacturer, dealer, installer, user and operator, the nomenclature presented in this section should be used by the manufacturer, dealer, installer and lessor in all publications concerning the digger derrick, including: 1. Operators Manual 2. Service Manual 3. Installation M
35、anual 4. Replacement Parts Manual 5. Sales Specifications 6. Advertising Specifications See Figure 1, Digger Derrick Nomen-clature. Note: Numbers in parentheses refer to the corresponding numbers in Figure 1. 3.2.1 Upper Controls (1). Those con-trols located in or near the optional platform. 3.2.2 P
36、latform (2). The optional person-nel carrying component of a digger derrick, such as a bucket, basket, stand or equivalent device including the attachment means to the boom. 3.2.3 Platform Pin (3). The horizontal pin that attaches the platform to the digger derrick boom, and about which the platform
37、 rotates with respect to the boom. 3.2.4 Upper Boom Tip (4). The end of the boom farthest from the turntable. 3.2.5 Extension Cylinder (5). The hydraulic cylinder(s) that extend and retract the booms. 3.2.6 Boom Pin (6). The horizontal shaft about which the boom pivots as it is raised or lowered rel
38、ative to the turntable. 3.2.7 Lower Boom (7). The structural member attached to the turntable that supports the extensible booms(s). 3.2.8 Intermediate Boom(s) (8). Struc-tural member(s) that extend and are located between the lower and upper booms. 3.2.9 Upper Boom (9). The structural member that e
39、xtends the farthest and supports the boom tip or optional platform(s), or both. 3.2.10 Winch Line (10). The load hoist-ing rope or cable. 3.2.11 Boom Tip Winch (11). A winch located at the tip of an intermediate or upper boom. 3.2.12 Boom Tip Sheave (12). The sheave(s) located at the boom tip that c
40、arries the winch line. AMERICAN NATIONAL STANDARD A10.31-2013 17 3.2.13 Pole Guide (13). A mechanism located at the intermediate or upper boom tip used for guiding and stabilizing a pole. 3.2.14 Pole Guide Tilt Cylinder (14). The hydraulic cylinder that controls the attitude of the pole guide. 3.2.1
41、5 Digger Hanger Bracket (15). The structural member on the boom that supports the digger. 3.2.16 Digger (16). The mechanism that drives the auger or screw anchor setting device. 3.2.17 Auger (17). The hole boring tool attachment on the digger. 3.2.18 Auger Stowage Bracket (18). The mechanism that st
42、ores the digger and auger assembly when it is not in use. 3.2.19 Lower Boom Winch (19). A winch located at the base end of the lower boom. 3.2.20 Lower Controls (20). The con-trols, either remote, on the vehicle, on the turntable or on the pedestal, which are designed to operate the functions of the
43、 digger derrick. 3.2.21 Pedestal (21). The stationary base that affixes the rotation bearing of the digger derrick to the vehicle. 3.2.22 Rotation Bearing (22). The rotat-ing member of the digger derrick between the pedestal and the turntable that allows slewing of the booms. 3.2.23 Rotation (Slewin
44、g) Mechanism (23). The mechanism of a digger derrick that controls rotation of the booms and turntable about the centerline of rotation. 3.2.24 Turntable (24). The structure above the rotation bearing that supports the booms. 3.2.25 Turntable Winch (25). A winch located on the turntable. 3.2.26 Lift
45、 Cylinder (26). The hydraulic cylinder(s) that lifts or articulates the boom. 3.2.27 Outriggers (27). The structural members that are extended or deployed to assist in stabilizing the mobile unit. 3.2.28 Outrigger Cylinder (28). The hydraulic cylinder that extends or deploys the outrigger. 3.2.29 Ou
46、trigger Controls (29). The controls for operating the outriggers. 3.2.30 Boom Angle Indicator (30). A device that indicates the angle between the boom and a horizontal plane. 3.2.31 Jib (31). An auxiliary boom that attaches to the upper boom tip to extend the reach of the boom. 3.2.32 Rated Load Cap
47、acity Chart (32). A chart that indicates the rated load capacity of the digger derrick in all positions specified by the manufacturer or installer. 3.2.33 Remote Controls (33). Controls that are not permanently attached to the mobile unit. 3.2.34 Outrigger Foot (Shoe) (34). The component of the outr
48、igger that rests on the outrigger pad or ground. 3.2.35 Outrigger Pad (35). An accessory used to distribute the outrigger load to the ground. 3.3 Specifications. To promote clear communication between the manufacturer, dealer, installer, owner, lessor, lessee, user and operator, the terminology pres
49、ented in this section should be used by the manufacturer, dealer, installer or lessor in all publications concerning the digger derrick including: AMERICAN NATIONAL STANDARD A10.31-2013 18 1. Operators Manual 2. Service Manual 3. Installation Manual 4. Replacement Parts Manual 5. Sales Specifications 6. Advertising Specifications See Figure 2, Digger Derrick Specifi-cations. Note: Letters and numbers in parentheses refer to the corresponding letters and numbers in Figure 2, unless otherwise noted. 3.3.1 Sheave Height (Maximum Extension) (A3). The height above ground level
