隨著全球暖化加劇，各國政府逐漸將溫室氣體減量目標納入政策主軸，營建產業身為高耗能、高碳排放產業之一，其碳排放管理亦逐漸受到重視。然而，目前施工階段碳排放量之計算方法，多數仰賴詳細價目表及實際使用之材料、能源耗用紀錄計算，常見於施工中或完工後的施工碳盤查，較少於計算施工碳排放時，同時結合施工進度管理來達成動態碳排放管理。
本研究以一棟新建建築工程為個案，提出一套結合專案排程軟體Primavera P6(以下簡稱P6軟體)之施工階段碳排放管理方法。本研究參考ISO 21931生命週期階段架構，將個案工程施工階段(涵蓋假設工程、大地工程及結構工程)之碳排放來源拆分為A1-A3(產品生產製造)、A4(產品運輸至工地)、A5(施工安裝)等三階段，並以工作分解結構(Work Breakdown Structure, WBS)與施工進度表為基礎，於P6軟體建立碳排資源、代碼等。首先以Excel建立碳排放試算架構，再依相同邏輯轉換至P6軟體計算，兩者計算結果一致，顯示本研究提出之轉換方法具可行性。
研究結果顯示，個案工程施工階段總碳排放量約為5,436.26 TCO2e，其中A1-A3階段占比最高，約94.2%，A5階段占4.8%，A4階段占1%；依工程類別分析，混凝土作業與鋼筋作業分別占總量約65.9%及30.1%，為主要碳排放熱點工項。本研究另運用P6軟體之資源指派、群組排序等報表功能，產出施工階段碳排放基準曲線與碳排放資源負載曲線等管理報表，並進一步探討碳排放資源拉平與碳排放實獲值分析等延伸應用，驗證P6軟體於施工階段碳管理之應用價值與相關限制。
本研究以運用P6軟體執行施工階段碳管理，於施工前預先評估碳排放總量與熱點，及施工中掌握進度與碳排放負載趨勢，作為擬定減碳策略之參考依據。

As global warming intensifies, carbon emission reduction has become a global policy priority, and the construction industry, being both energy- and carbon-intensive, has drawn increasing attention to its emission management. However, existing methods for calculating construction-phase carbon emissions mostly rely on detailed bills of quantities and actual consumption records, applied only during or after construction, and are rarely integrated with schedule management for dynamic control. This study proposes a construction-phase carbon emission management method integrating the scheduling software Primavera P6. Based on the ISO 21931 life-cycle framework, carbon emission sources were divided into three stages, A1-A3 (material manufacturing), A4 (transportation), and A5 (construction installation), and linked to the Work Breakdown Structure (WBS) and construction schedule. An Excel-based framework was first developed and then transferred into P6 using the same logic, with both producing identical results, confirming the feasibility of the conversion. The case study showed a total estimated carbon emission of 5,436.26 TCO2e, with the A1-A3 stage accounting for 94.2%, and concrete-related and rebar-related work identified as the primary emission hotspots. The study further demonstrates P6's capability to generate carbon budget baseline curves, resource loading curves, and Carbon Earned Value Management (Carbon EVM) analysis, providing a practical, low-cost tool for construction carbon management.

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