|
SIZE NUMBER |
NOMINAL MAXIMUM |
NOMINAL MINIMUM |
TYPICAL USE |
DENSITY,PCF (ESTIMATE) |
|
1 |
3-½” |
1-½” |
FREE
DRAINING HEAVY FILL, ROAD BASE |
80-90 |
|
2 |
2-½ ” |
1-½" |
ROAD BASE, DIFFICULT TO PLACE |
100 |
|
3 |
2" |
1" |
|
100 |
|
4 |
1-½" |
¾" |
ROAD BASE, EASIER TO PLACE / GRADE |
100 |
|
57 |
1" |
#4 |
FREE DRAINING FILL, USED UNDER CONCRETE SLABS |
110 |
|
67 |
¾" |
#4 |
|
110 |
|
7 |
½" |
#4 |
|
100-110 |
|
8 |
3/8" |
#8 |
PIPE BEDDING |
100-110 |
|
9 |
#4 |
#16 |
DRAINAGE BED, SNOW & ICE |
120 |
|
SAND (#10 MOD) |
#4 |
#100 |
|
130 |
|
3” CRUSHER
RUN |
3” |
#100 |
DRIVEWAYS,
ROADS, COMPACTION
REQUIRED |
130 |
|
1-½ " CRUSHER RUN |
1-1/2" |
#100 |
DRIVEWAYS,
ROADS, COMPACTION REQUIRED |
140 |
|
¾” CRUSHER RUN |
¾" |
#100 |
DRIVEWAYS,
ROADS, COMPACTION REQUIRED |
140 |
|
RIP-RAP |
10" |
4" |
STREAM BANK PROTECTION |
140 |
SAMPLE CALCULATION:
1.
Determine
the volume you require:
Multiply
(LENGTH in FEET) x (WIDTH in FEET) x (DEPTH in INCHES) x (0.0833) = VOLUME in
CF
2.
Multiply
(Cubic Feet (CF)) x (DENSITY (pcf)) = POUNDS REQUIRED
3.
Divide
(POUNDS REQUIRED) / (2000 Pounds per Ton) = TONS
4.
Order
your stone by the ton. A truck typically hauls 20 tons.