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Checklist for BOM Finalization
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Project Name:
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DC KW:
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AC KW:
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#TopicQuestionYes/ NoRemarks
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1Solar PanelsWhich Solar Panels have you finalized? Brand and Wattage
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Is it possible that these panels make and/or wattage will be changed mid project?
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2Solar InverterIs the AC capacity of the plant finalized?
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If multiple building rooftops are to be installed, is building wise AC capacity finalized?
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3DC CablesHow much 4 sqmm and 6 sqmm cables is estimated?
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Are Y connectors to be used? If Yes, How many qty?
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If Y connectors are used, have you used DC cable of appropriate size?
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4Structurefor fabrication structure, what is estimate of pipes?
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for Aluminium rails, what is the length of the rail required? What is the qty of end clamp and mid clamps?
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5ACDBwill MCB or isolator box be required for solar inverter? This is required when main ACDB and inverter are far apart.
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Are the MCB/MCCB ratings appropriately chosen?
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Is the ACDB equiped with CT and meter compartment? If not, have you added new meter box as separate BOM item?
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6Earthing PitsFinalize which earthing rods to be used and qty.
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Finalize which earthing strip/cable to be used for structure earthing and inverter earthing
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Finalize which LA to be used.
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Finalize LA cable to be used.
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7AC CablesFinalize AC cable sizes and length
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If AC cable size is finalized, ask ACDB manufacture to make appropriate hole in the panel.
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8Lugs & GlandsDecide on lug size and material (Aluminium, copper or bi-metallic) and qty.
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9ConduitsAre the conduit size appropriately used? Are the elbow and tee of same size as conduit size?
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