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the mechanical engineerspecialist shall be responsible for specifying vendor drawings and data requirements in the mrq and mrp using the
line designation tables ldts appendix d are initially generated by the piping designers design conditions are inputed by the process discipline and
the mechanical design engineerspecialist shall be responsible for mechanical design calculations that are required to ensure that the end product
the mechanical engineerspecialist shall prepare material requisitions for all required mechanical material and equipment the format for all
the specifications for use on a project will be as defined in the project execution plan the specification requirements will be clarified in the
the specifications for use on a project will be as defined in the lsquoproject execution plan the specification requirements will be clarified in
motor shall operate successfully at rated load with a voltage variation of plus or minus ten percent and frequency variation of plus or minus five
codes and standards for steam generatorall equipment purchased and installation work done shall be in accordance with thebullcanadian electrical
q analog control system for steam generator the analog modulating control of the steam generators will be performed using a process control system by
q explain about burner management systemthe vendor shall provide a stand alone burner management system that is nfpa approved provision shall be
q local operator panel for steam generatora local operators panel is required for operator use during steam generator light off this panel shall
q flue gas excess oxygen control for steam generatorair-gas ratio control provides approximate excess oxygen control however an in-situ oxygen probe
q air-gas cross-limiting and air-gas ratio controlthe steam generator firing demand signal is directed to two discrete signal selectors a low signal
q firing rate demand for steam generatorthe firing rate for each steam generator is proportional to the feedwater flowing into that steam generator
q feedwater controls for steam generatorassociated with that steam generator the flow controllers utilize regular pid controllers and their outputs
q steam generator load balancingthe pressure controller output is cascaded to individual stations one for each boiler these allow selective increase
q burner management - discrete controls for steam generatorsthe burner management system shall control the generator operation during pre-purge light
q steam generator master pressure controlthe combined header pressure is controlled by a regular pid controller which ultimately trims the water flow
q basic requirements of a control scheme of steam generatorsthe basic requirements of a control scheme arebullmaster steam pressure control by
q explain working of steam samplingsample coolers shall be supplied by the vendor a common sample spillage trough shall also be provided by the
q surface preparation and coatingvendor shall chemically clean all foreign material and commercially sandblast sspc-sp-10 mill scale and rust from
q modularization of steam generatorsvendor shall design and fabricate the high pressure steam generators so that a minimum of field assembly will be
q steam generator pipingcontrol valves shall be fisher or purchaser-approved equalall valves shall be detailed by size rating make model number and
control of the guide vanes shall be by means of an external linkage connected to the internal control ring steam generator pipinginlet guide vanes
q what is forced draft fanfan shall comply with api 673 as supplemented by the following para references are to api 673where the intake air is