Mixed traffic changes the risk profile
A closed warehouse has trained staff who understand where equipment moves and what a wet floor sign means. A trade yard has customers who are unfamiliar with the site, often carrying materials, sometimes with children present. Cleaning activity that would be routine in a distribution centre becomes a genuine hazard when the people around it have no site induction.
The response is to schedule rather than to add signage. Wet work in the customer zone belongs outside trading hours. Machine work in the operational yard belongs during a paused period agreed with the site. Where neither is available, the honest position is a reduced scope during trading, with the remainder deferred, rather than proceeding and relying on cones. Recording the reduced trading-hours scope in the proposal is what prevents a crew improvising, and it sets an honest expectation with the client.
