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BOM – Bill of Materials
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CO – Change Order
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COR – Change Order Request
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ERP – Enterprise Resource Planning
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HVAC – Heating, Ventilating and Air Conditioning
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ITT – Invitation To Tender
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MTO – Material Take-Off
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NTC – Notice To Comply
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OSD – Over/Short/Damage
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OWL – Outstanding Work List
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PCO – Potential Change Order
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QA/QC – Quality Assurance/Quality Control
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RFQ – Request For Quotation
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ROS/ RAS – Required On Site, Required At Site (same meaning)
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VDR – Vendor Data Requirements
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WBS – Work Breakdown Structure