Construction Project Management Software Resources

I prepare schedules for tendering purposes for the execution of the project and sometimes revise the schedule in between the project when; after losing time, I reschedule the project the requirement of resources increased abnormally I want to skip this requirement

The Project schedule forecasts better if we have a detailed breakup of tasks. However, if we have a detailed breakup of the tasks, it is difficult to assign cost to these activities as the costs are available at a much higher level of the Project BOQs. Additionally, putting actual cost is also a difficult tasks.

If we can upload multiple files but its hard to write descriptions 1 by 1.