4. mes100Chart 18.A2 (Inlet Control Nomograph - Concrete Pipe Culvert)

	A	B	C	D	E	G	H	J	K	M
1	MZ
2	Equation	HWi/D = c[(KuQ)/(AD^(0.5))]^2 + Y + Ks*S
3
4	HWi	Headwater depth (m)
5	D	Diameter of culvert barrel (m)
6	c	Constant
7	Ku	Unit Conversion, 1.811 SI unit
8	Q	Discharge (m3/s)
9	A	Full cross sectional area of culvert barel (m2)
10	Y	Constant
11	Ks	Slope correction, -0.5
12	S	Culvert barrel slope (m/m)
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15		Inlet Type	K	c	Y
16	[1]	Headwall with Square Edge	0.0098	0.0398	0.67
17	[2]	Headwall with Socket End	0.0018	0.0292	0.74
18	[3]	Projecting with Socket End	0.0045	0.0317	0.69
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20								Result from Design Chart
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22	Q	D	A	S	Inlet Type [1]		Inlet Type [2]		Inlet Type [3]
23	Q	D	A	S	HWi/D (Equation)	HWi/D (Chart 18.A2)	HWi/D (Equation)	HWi/D (Chart 18.A2)	HWi/D (Equation)	HWi/D (Chart 18.A2)
24	2.4	1.05	0.866	0.0133	1.62	1.62	1.43	1.44	1.44	1.48
25	2	0.8	0.503	0.0133	3.25	3.20	2.63	2.60	2.74	2.79
26	0.8	0.8	0.503	0.0133	1.08	1.10	1.04	1.04	1.01	1.05
27	0.6	0.8	0.503	0.0133	0.90	0.88	0.90	0.85	0.87	0.86
28	2.4	1.2	1.131	0.0133	1.15	1.18	1.09	1.11	1.07	1.11
29	2	1.2	1.131	0.0133	1.00	1.05	0.98	0.98	0.95	0.96
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