Roofers should not be paid per square. There are variables which can influence the roofer's reasonable pay. He/she could be supplied with inferior roof tiles; he could be roofing a particularly tall/high building; he/she could be requested to complete the job quicker than normal or average. This is a technical and potentially dangerous job and considerations should be given to all these factors.
You need 100W per square meter. 100W equals around 341.3BTU. 1 square meter are around 10.7 square feet. You therefore need around 32 BTU per square foot.
6x3 would require 2 pavers by 4 pavers to make a square foot which is 8 pavers per square foot. 240 pavers. That's only a 5 foot by 6 foot square.
If something was $17.00 per square Yard it would be $1.89 per square Foot. (Just divide by 9)
To calculate the cost per square foot of a counter that costs $100 per linear foot, you need to know the depth of the counter. Assuming a standard depth of 2 feet, the cost per square foot would be $100 divided by 2, resulting in $50 per square foot. If the depth is different, you would adjust the calculation accordingly.
This will depend where in the world you are. Expect to pay $1.50 to $2.50 per square foot for basic installation.
70 a sq, in and out one day
$500 per week
It depends on the choice of the roof you want to put on. You might contact your insurance company to find out the best roofers in your town. Otherwise, interview three and choose one. Make sure they have a contractors license and are bonded --this is a dangerous job and is expensive, so you want the work to be done right.
20 btu per square foot
In a factory there should be about 100 square feet per each employee. This means that if the building is 5,000 square feet, there should only be 50 employees.
There are 4,046.86 square meters per acre.
You pay $108 per Square foot
They make 2.50$ per square feet
Most have 3 bundles per square. Heavy duty or architectural shingles from some manufactures have 4 bundles per square.
The commercial construction cost per square foot in Arizona will average at about $101 per square foot. This means a 3,000 square foot building should cost about $300,000 to build.
Any shingle you'll find in stock at a normal lumberyard, home improvement center or discount building supply will be three bundles to the square. Some really fancy shingles require more - there are a couple GAF Designer Series shingles that are six to the square, and they used to offer one that was seven to the square. But those are about an inch thick - they have to put fewer shingles per bundle so the roofers don't die hauling them up to the roof.
There are 10.7639 square feet per square meter.