- Condition the pits to improve performance and avoid risks in masonry work, indicating storage areas and optimizing routes. - Distribute the workloads to the crew daily to meet the objectives set in the work plan, specifying short-term planning of the resources required in the pit. - Carry out tests and construction checks to monitor quality, contrasting the results obtained with those indicated in the project and obtaining and safeguarding the samples. - Prepare offers and certifications to evaluate the work to be contracted and the work performed, identifying and measuring the work units and contrasting the results with the descriptions and measurements of the project or work plan. - Coordinate and control masonry aid to finishing and installation trades to minimize waiting times between trades, anticipating possible contingencies and promptly requesting the necessary supervision or authorization. - Check the prevention and protection measures specific to the pit, to monitor the safety plan, both at the beginning of the work and periodically during its execution, controlling the application of instructions, the maintenance of equipment and the status of supplies. - Identify the activities related to occupational health and safety, the basic regulatory framework that regulates it in the construction sector, assessing the importance of measures and techniques for the prevention of occupational risks and protection, as well as the need for preventive management. - Define general occupational risks in work environments, as well as prevention systems, specifying the functions performed by occupational risk control and worker health control. - Differentiate the principles and criteria of action in the first interventions to be carried out in emergency situations in construction and first aid, assessing their importance and consequences. - Identify occupational risks in construction works, arguing the reasons for their frequency and the severity of their consequences, specifying basic prevention criteria and associated protective equipment. - Identify occupational risks in construction works, arguing the reasons for their frequency and the severity of their consequences, specifying basic prevention criteria and associated protective equipment.