Standard Elliptical Pipe Dimensions

Dimensions of Elliptical Concrete Pipe
Round Equivalent	Area (sqft)	Rise	Span
15	1.227	12	18
18	1.767	14	23
24	3.142	19	30
30	4.909	24	38
36	7.069	29	45
42	9.621	34	53
48	12.566	38	60
54	15.904	43	68
60	19.635	48	76
66	23.758	53	83
72	28.274	58	91
78	33.183	63	98
84	38.485	68	106
90	44.170	72	113
96	50.266	77	121
102	56.745	82	128
108	63.617	87	136
114	70.882	92	143
120	78.540	97	151
Pipe dimensions in Inches