The budget for this project can be estimated based on the scope of work, which involves replacing and installing various CCTV cameras, and upgrading the existing system. The cost of the equipment, labor, and other expenses will contribute to the overall budget. Assuming an average cost of $1,000 to $5,000 per camera, and considering the total number of cameras to be replaced and installed, the total equipment cost can be estimated to be around $100,000 to $500,000. Adding labor costs, which can range from $50 to $200 per hour, depending on the location and expertise of the workers, the total labor cost can be estimated to be around $100,000 to $500,000. Other expenses, such as materials, permits, and inspections, can add up to $20,000 to $100,000. Therefore, the total budget for this project can be estimated to be around $220,000 to $1,100,000.