Before crews reach the site, someone has to produce documents: a site-specific safety plan, an activity hazard analysis for each definable feature of work, written programs for the exposures in scope, and qualification records for the people performing the work. On federal, data center, and industrial projects, these are gate items — no accepted documentation, no mobilization.
The two failure modes are opposite and equally costly. Documents get written to satisfy a reviewer and end up too generic to guide the work, or they get written by someone who knows the work but not the required format and get returned for revision cycles that burn the schedule.
We write documents that pass review and hold up at the work face — because the second is what makes the first defensible.