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ASTM C 700 Extra-Strength Clay Pipe Specification Data
Dimensions
Pipe Size (I.D.) Available Lengths Average O.D.* Crushing Strength** Nominal Length of Ys and Ts
In. MM 1' 2' 3' 4' 5' 6' 7' Bell Spigot Lbs. per Linear foot KM per Linear M
4" 100         7.13" 4.92" 2000 29.2 2'
6" 150       10.81" 7.52" 2000 29.2 2'
8" 200       12.93" 9.70" 2200 32.1 2'
10" 250       15.61" 12.08" 2400 35.0 2'
12" 300       18.12" 14.36" 2600 37.9 2'
15" 375       22.22" 17.80" 2900 42.3 3'
18" 450       26.81" 21.48" 3300 48.2 3'
21" 525       31.00" 25.54" 3850 56.2 3'
24" 600       35.90" 29.30" 4400 64.2 3'

= Standard length for each dimension
√ = Also available in these lengths
* All measurements are +/- 2%
** Minimum crushing strength per ASTM C 700

Engineering Variance Data
Pipe Size Limit of Minus
Variation (per foot)
Max. Difference in Length
of Opposite Sides
I.D. Limit of Minus Variation
from Nominal Size
4" 1/4" 5/16" 3/16"
6" 1/4" 3/8" 1/4"
8" 1/4" 7/16" 5/16"
10" 1/4" 7/16" 3/8"
12" 1/4" 7/16" 7/16"
15" 1/4" 1/2" 9/16"
18" 1/4" 1/2" 11/16"
21" 1/4" 9/16" 13/16"
24" 3/8" 9/16" 15/16"

Pipe
O-Ring Joint
Y-Branches
T-Branches
Curves
Elbows
Saddles
Traps
Increasers and Reducers
Perforated Pipe
Channel Pipe
Repair Ys and Ts
Double Hubs and Stoppers
Sump Pipe and Meter Boxes

"Forty percent of our system is clay...We televised these lines based on the original risk equation, which indicated that due to age, these should be our areas of most significant risk. But they haven't degraded at all over time. Based on the way these pipes look they could easily last 200, 300 or 400 years."

Terry Martin, P.E.
Strategic Advisor to the
Corporate Asset Management Group
Seattle, Washington

 

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