5 an outline of such equipment specifications is

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Unformatted text preview: designed piece of equipment. 5 An outline of such equipment specifications is presented below, based on handling equipment for terminals in seaports. Purchase specifications 1. general requirements 2. special requirements 3. design 4. manufacture and erection 5. options Input from operations, engineering, maintenance, equipment operators, manufacturers, controller, purchasing department is essential. 1. General requirements • definitions • intent • general description • ownership of joint developments • patent indemnification 2. Special requirements • scope of delivery (deliverables, delivery date, acceptance) • progress (delays, additional work efforts, modifications, schedule) • management (project, quality assurance, inspection plan) • insurance • indemnification on liability • disputes (“Raad van Arbitrage”, FEDIC) • liquidated damages (“Penalties”) • compliance with regulations (law, taxes, duties, fees) • warranty • design responsibility • bankruptcy • ownership of equipment and components • terms of payment 3. Design • drawings, certification, documentation • referenced specifications (AWS, ASTM, DAST, DIN, NEN,FEM, VDI, VDE) • general design aspects (site + operating conditions, main characteristics) • design criteria (classification, loads, duty cycle, calculations) • main drive systems (characteristics of drive systems will influence the design of mechanical, structural and electrical components • mechanical design • electrical design • miscellaneous (auxiliary drives, load limiting device, name plates, tools, etc.) 3a. Mechanical design • general directives • criteria for mechanical calculations • wheels, trucks 6 • gearing, bearings, seals • brakes, couplings • wire ropes, sheaves, rollers, drums • hydraulic systems • lubrication systems • stowage devices • equipment alignment, rail track tolerances 3b. Structural design • general directives • fabrication, inspection (welding) • structural design calculations (allowable stress, deflections, frequency calculation, fatigue calculations, buckling, stability) • housing(s) for machinery • operators cabin(s) • stairs, ladders, platforms and walkways (important for the operators access, the maintainability) 3c. electrical design • general directives • criteria for electrical calculations • control systems (schematic, bus-systems, standard interfaces) • wiring and conduits • motors, generators, transformers, electric brakes • power supply, distribution, festoon cables • master switches, operator’s information (influencing the operator’s control and so the cycle time) • limit switches, operator’s information • protective and safety devices • lighting, communication, convenience and welding outlets • electrical control room, cubicles, enclosures • auxiliaries (air-conditioning, fire protection, earth brushes etc.) 4. Manufacture and erection • workmanship (qualification of welders, grading of machinery) • material quality • inspection (conformity with drawings, sub-assemblies, inspector’s office) • shop assembly and testing • shop cleaning and painting (surf...
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This note was uploaded on 06/06/2010 for the course FF wb3094 taught by Professor Loderwy during the Spring '10 term at Renmin University of China.

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