It fills the need of a costly lane closure. Deliveries can use the platform instead of blocking the road. Concrete trucks generally don't drive into deep pitsYes, but why build the platform at all? Though they seem to be putting some equipment on top of it would it not have been easier/cheaper just to excavate the while pit (as is usually done) and THEN start adding floors.? I realise the site has very little spare room but ….