Are in attendance any concrete finishers here on row immediately that can answer my other grill? ...

What do you reason?
Answers:    Answered it - go check. lb750 to mix on site. lb600 deliver, depending on access. Obviously ballpark. This is just concrete. You probably requirement to prepare the ground too ask someone who knows what you're intending how philosophical you should lay it etc.
Can't afford double glazing,?
The only one I know hate my guts and won't talk to me. phone Jewsons or merchant's patio and they will give you a price.