CONCRETE FAQ

Common Customer Questions & Answers

1 Tonne of Gravel weighs approximately 2,202 pounds
1 Yard of Gravel weighs approximately 3,000 pounds
1 Yard of Concrete weighs approximately 4,200 pounds
1 Meter of Concrete weighs approximately 5,000 pounds

It takes 12 wheelbarrow loads of gravel to equal approximately 1 yard of gravel.
It takes 1 � yards of navvyjack to make 1 yard of concrete
It takes 5 bags of powder (Type 10) to make 1 yard of concrete (20 mpa)
6 bags to make 1 meter

Shovel Mix: 5 scoops gravel + 1 scoop powder = to 20 mpa mix
4 scoops gravel + 1 scoop powder = to 25 mpa mix

1 Yard of gravel 4" thick will cover approximately 80 square feet
10 Yards will cover 800 square feet
13 Yards will cover 1,040 square feet

Foundation and footings are generally 20mpa
Walls & slabs 25mpa

A concrete Block weighs approximately 4,320 pounds
Measures 2 1/2' x 2 �' x 5'

Maximum chutes on mixer truck are 3 to a maximum of 14 foot reach (downhill)

Average height of mixer truck is 11'6"
Average weight of mixer truck (loaded) is 32,000 kg (70,400)
Average clearance for width for a mixer truck is 9 feet

Gravel Trucks

Single approximately 12 yards 15 tonnes
Truck & Pup 18 yards 25 tonnes
End Dump 20 yards 28 tonnes

Pump Trucks

28 meter boom will reach 80 feet
33 meter boom will reach 96 feet
40 meter boom will reach 125 feet

Blocks

Half Lock Block weighs 2,000 lbs
Full Lock Block weighs 4,000 lbs

Block Description

Block concrete #1 (5.0' x 2.5' x 2.5')
Block concrete #2 (5.0' x 2.5' x 2.5')
Block concrete c/w Anchor & Galvanized chain
Blocks-Half concrete
Block concrete #3 (20"x20"x40")
Bench Blocks
Decorative Blocks
Transition Blocks