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.
Excavation Cost. The cost of concrete slabs also needs to include the cost of excavation. A base of gravel that is normally four inches thick is laid after the area is dug and footings are put in place. The cost of gravel is generally $0.79 per square foot. Calculate the amount of gravel that will be needed and then contact local quarries for pricing. Remember to add in the delivery fees for the gravel. The cost of a concrete slab will vary depending upon the size of the slab as well as the thickness.