How concrete will I need to pour a footer for an add on 14'x76'x6"?
Question:it 14" x76' x14' there is no 2nd 76' wall and 6inches thick please help me
Answers:
order 2 yds...but i wouldnt go 6 in. on any footer...go 8in to be safe, and that would take 2.5 yds...
19.7 cu.yds. order 21.5 to be sure you get enough.
You said footer did you mean 14 inches by 76 ft. by 6 inches thick? if so it would be 1.6 cu.yds and again order 1.8 cu.yds to be sure you have enough. there is 27 cu ft. in 1 cu yd of concrete. Plan on 3000 lbs aggregate ,564 lbs cement (6 sack) and approximately 25 gallons of water . Also some air entrainment would be a good idea.
You aren't quite clear about what you are doing but I'll try.
If you are pouring a slab of 76 feet by 14 feet by 6 inches deep you need 532 cubic feet or 20 cubic yards.
If you are pouring walls, you don't have enough info but I can tell you that you need 52 cubic feet (or 2 cubic yards) per foot of depth(Height) of the walls
If you are talking about a footing under a concrete wall, these should be 24 inches wide which at 6 inches deep would require 104 cubic feet (4 cubic yards)
If none of these are what you are looking for, try being more specific and I'll try back later
OK, if you want out 14 feet over 76 feet and back in 14 feet and you want 6 inches deep and 14 inches wide you need about 2 1/2 cubic yards, order 3 to be safe. If you want 24 inches wide, 4 cubic yards. Many concrete companies have a 4 or 5 yard minimum so you might want to check and if they do, go a little wider or thicker. At 14 inches wide you could go about 1 foot thick (deep) which will give more substance to footing. Just in case you are thinking about mixing this yourself, 2 1/2 yards is about 130 Eighty pound bags(bad idea)
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