Rules of Thumb

[+]   Block
1.125 blocks per square foot of wall area
75% of length of wall gives number of block per course
Wall height in feet times 1.5 equals number of courses
[+]   Brick
7 Standard bricks per square foot of wall area
5.5. Engineer (oversized brick) per square foot of wall area
1 1/2 bricks per running foot of wall
[+]   Concrete
Typical 3000 psi mix
2000 pounds of stone
1000 pounds of sand
6 bags of cement
[+]   Sand & Aggregate
Approximately 110 pounds per cubic foot
Approximately 3000 pounds per cubic yard
16 shovels per bag of mortar
800 pounds of sand for 100 block
1 Ton of sand per 2500 block
1 Ton of sand per 1000 brick
[+]   Mortar
To mix – 1 part mortar to 2 1/2 parts sand
2 1/2 bags of mortar per 100 block (40 block per bag)
7-8 bags of mortar per 1000 brick (143 brick per bag)
16 shovels of sand per bag of mortar
[+]   Wall Ties
1 per every 10 brick (50 per cube)
[+]   Zonolite
One 4 cubic foot bag fills 16 – 8″ block or 9 – 12″ block
[+]   Filling Block (Core Voids)
12″ blocks….1.44 cubic yards per 100 block
10″ blocks….1.22 cubic yards per 100 block
8″ blocks…. .93 cubic yards per 100 block
6″ blocks…. .63 cubic yards per 100 block
[+]   Fire Clay
2 parts fire clay to 3 parts cement
[+]   Anchor Bolts
1 every 4 feet