Flow Capacity of Culvert Renew HDPE Liners

BASED ON PIPE FLOWING FULL AT 1% SLOPE
CMP MANNINGS 'n' = .024
RENEW MANNINGS 'n' = .009

CMP	LINER	CMP FLOW	LINER FLOW	% FLOW
12	10	866	1419	164
15	12	1569	2308	147
18	13.5	2552	3160	124
18	15	2552	4185	164
21	15	3850	4185	109
24	18	5497	6806	124
27	21	7526	10267	136
30	24	9968	14659	147
33	24	12853	14659	114
36	27	16210	20070	124
42	30	24453	26581	109
48	36	34913	43226	124
54	40	47799	57251	120
60	42	63307	65207	103
66	48	81629	93102	114
72	54	102950	127463	124
78	54	127449	127463	100
84	60	155301	168818	109
96	72	221737	274534	124
120	84	402066	414136	103

BASED ON PIPE FLOWING FULL AT 1% SLOPE
RCCP MANNING `n`= .015
RENEW MANNING `n`=.009

RCCP	LINER	RCCP FLOW	LINER FLOW	% FLOW
12	10	1385	1419	102.5
15	12	2511	2308	91.9
18	15	4084	4185	102.5
21	15	6160	4185	67.9
24	18	8796	6806	77.4
27	21	12042	10267	85.3
30	24	15949	14659	91.9
33	27	20564	20070	97.6
36	30	25936	26581	102.5
42	36	39124	43226	110.5
48	40	55861	57251	102.5
54	42	76478	65207	85.3
60	48	101291	93102	91.9
66	54	130607	127463	97.6
72	60	164720	168818	102.5
84	72	248482	274534	110.5
96	84	354780	414136	116.7
120	96	643306	591300	91.9

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Flow Chart

Contact Information:

POLY PROFILES TECHNOLOGY, INC
PO Box 1157
3 Industrial Drive
Steelville, MO 65565 USA
Phone: (573) 775-3301
Fax: (573) 775-3388
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