Never consume something you're unsure of. But don't waste food, either. There are plenty of things that are safe long after their sell-by dates. Maybe you aren't the type to eat around the mold, but here are 10 things you can safely eat past their expiration dates.
Basic concrete slab cost. I'll base my price on what my actual estimate would be to install a 6 thick concrete slab for one of my customers. Base cost for a 6 thick concrete slab -- $4.00 dollars per square foot --. Take the length of the concrete slab x the width of the slab to get the. total square footage. Multiply the total square footage by 4 (dollars) to get the total price.
Cost breakdown. 1  Materials: Poured slab concrete typically costs $3-$5 per square foot. 2  Labor: labor costs from contractors or concrete specialists typically adds another $2-$3 per square foot, for a total of $2000-$3000 for this project. On average, it takes three to four days from start to finish to dig out and pour the concrete.