eastern sector. This configuration aims to ensure flexibility in the face of possible contingencies, as well as to facilitate a balanced distribution of extraction activities. On the other hand, the strategy for incorporating the productive area for macroblock S04 considers a sequence of advancement of the cave front that begins at the northwest end and progresses in a southeast direction. Based on this exploitation logic, the priority in constructive terms has been focused on the activation of the ore pass located in the western sector of the macroblock, since these will be the first to enter operation. This prioritization allows the alignment of infrastructure development with the mining sequence, optimizing the use of resources and ensuring a progressive and efficient start-up of the macroblock. Illustration 5: Arrangement of transfer systems macroblock S04 2. METHODOLOGY Mine development represents a fundamental stage within the life cycle of a deposit and requires coordinated planning of all activities associated with the development of underground work. The main objective of this planning is to meet construction milestones within the established deadlines, which ensures the timely start of production. To achieve this, it is essential to have scheduling aligned with the strategic objectives of the division, incorporating technical, logistical, economic, and safety aspects. This planning should focus on managing, driving, promoting, and operationalizing the achievement of long-term plan goals. The mining preparation planning process is carried out monthly through the Monthly Activity Plan (PAM), a key tool to ensure compliance with the annual commitment (P0) and the effective execution of operational goals. This budget considers, among other strategic objectives, the start of production in the N42, S04 macroblocks, and the Panel Central during the year 2026, as well as the operational continuity of sectors N1S1, N2N3, S2S3, and N41. The correct management of these macroblocks is fundamental to maintaining the planned productive capacity throughout the entire period of the 2026 commitment, ensuring the operational stability of the mine. The planning process begins with the monthly update of the actual progress in mining preparation, which encompasses both horizontal developments and the civil works associated with each macro block. This monitoring also includes a detailed review of the
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