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1c. River Ewaso Ngiro is to be the sole source of water and therefore the design basis is the "safe" yield. The Water Resource Authority has set the allowable withdrawal at 5% of the mean monthly flow rate since there must be enough water left for the ecological health of the river or stream as well as for downstream users. Given a 22 year data on the river flow for each month, perform the complete series analysis and determine whether the river can be able to support the immediate water needs of the Green Isinya Community. Given a population growth of 3% p.a., how long will the river provide adeqaute water supply for the community. {16 MARKS} Table Q.1 Average monthly discharge of River Ewaso Ngiroy, m³/s Year Jan Feb Mar Apr Ma Jun Jul Aug Sep Oct Nov Dec y 1 1987 2.92 5.10 1.95 4.42 3.31 2.24 1.05 23456789UND 1988 24.3 16.7 11.5 17.2 12.6 7.28 1989 15.3 13.3 14.2 36.3 13.5 3.62 1990 11.5 4.81 8.61 27.0 4.19 2.07 1991 11.1 7.90 41.1 6.77 8.27 4.76 1992 2.92 5.10 28.7 12.2 7.22 1.98 1993 7.14 10.7 9.63 21.1 10.2 5.13 1994 7.36 47.4 29.4 14.0 14.2 4.96 7.53 1.93 1.15 2.78 0.91 3.03 0.74 1.02 1.08 3.09 7.62 3.03 10.2 10.9 17.6 16.7 1.83 1.93 3.29 5.98 12.7 2.04 2.10 3.12 2.97 4.45 1.70 1.44 4.02 4.45 3.03 0.67 1.33 2.38 2.69 3.03 10.9 3.12 2.61 3.00 3.82 2.29 1995 2.89 9.57 17.7 16.4 6.83 3.74 1.78 1.95 7.25 24.7 6.26 8.92 10 1996 11 1997 13.8 6.91 12.9 11.3 3.74 1.98 1.60 3.57 1.70 1.56 1.56 2.04 2.35 1.13 1.13 1.42 1.98 2.12 1.98 1.95 3.09 3.94 12.7 12 1998 4.56 8.47 59.8 13 1999 13.8 29.6 38.8 9.80 6.06 5.32 13.5 37.2 22.8 14 2000 2.51 13.1 27.9 22.9 16.1 9.77 15 2001 1.61 4.08 14.0 12.8 33.2 22.8 16 2002 21.8 8.21 45.1 6.43 6.15 10.5 17 2003 8.92 5.24 19.1 69.1 26.8 31.9 18 2004 6.20 19.1 56.6 19.5 20.8 7.73 19 2005 15.7 38.4 14.2 19.4 6.26 3.43 20 2006 21.7 19.9 40.0 21 2007 31.4 37.5 29.6 22 2008 29.2 20.5 34.9 40.8 11.7 13.2 30.8 11.9 5.98 35.3 13.5 5.47 1.33 2.14 6.94 2.44 5.49 3.91 7.05 5.75 3.99 4.28 2.71 3.29 1.16 0.85 2.63 6.49 5.52 1.98 2.17 3.40 8.44 11.5 3.94 2.92 2.89 6.74 3.09 1.42 1.56 1.83 2.58 2.27 4.25 5.98 19.6 8.50 6.09 1.64 1.64 1.90 3.14 3.65 3.82 8.86 5.89 5.55 12.6 2.95 1.49 1.69 4.45 4.22 2.79 1.79 2.35 2.86 10.9 3.31 9.46 7.28 14.9 26.5 2.15 2.38 6.03 14.2 11.55 3.14 3.20 2.11 5.98 7.62

1c. River Ewaso Ngiro is to be the sole source of water and therefore the design basis is the "safe" yield. The Water Resource Authority has set the allowable withdrawal at 5% of the mean monthly flow rate since there must be enough water left for the ecological health of the river or stream as well as for downstream users. Given a 22 year data on the river flow for each month, perform the complete series analysis and determine whether the river can be able to support the immediate water needs of the Green Isinya Community. Given a population growth of 3% p.a., how long will the river provide adeqaute water supply for the community. {16 MARKS} Table Q.1 Average monthly discharge of River Ewaso Ngiroy, m³/s Year Jan Feb Mar Apr Ma Jun Jul Aug Sep Oct Nov Dec y 1 1987 2.92 5.10 1.95 4.42 3.31 2.24 1.05 23456789UND 1988 24.3 16.7 11.5 17.2 12.6 7.28 1989 15.3 13.3 14.2 36.3 13.5 3.62 1990 11.5 4.81 8.61 27.0 4.19 2.07 1991 11.1 7.90 41.1 6.77 8.27 4.76 1992 2.92 5.10 28.7 12.2 7.22 1.98 1993 7.14 10.7 9.63 21.1 10.2 5.13 1994 7.36 47.4 29.4 14.0 14.2 4.96 7.53 1.93 1.15 2.78 0.91 3.03 0.74 1.02 1.08 3.09 7.62 3.03 10.2 10.9 17.6 16.7 1.83 1.93 3.29 5.98 12.7 2.04 2.10 3.12 2.97 4.45 1.70 1.44 4.02 4.45 3.03 0.67 1.33 2.38 2.69 3.03 10.9 3.12 2.61 3.00 3.82 2.29 1995 2.89 9.57 17.7 16.4 6.83 3.74 1.78 1.95 7.25 24.7 6.26 8.92 10 1996 11 1997 13.8 6.91 12.9 11.3 3.74 1.98 1.60 3.57 1.70 1.56 1.56 2.04 2.35 1.13 1.13 1.42 1.98 2.12 1.98 1.95 3.09 3.94 12.7 12 1998 4.56 8.47 59.8 13 1999 13.8 29.6 38.8 9.80 6.06 5.32 13.5 37.2 22.8 14 2000 2.51 13.1 27.9 22.9 16.1 9.77 15 2001 1.61 4.08 14.0 12.8 33.2 22.8 16 2002 21.8 8.21 45.1 6.43 6.15 10.5 17 2003 8.92 5.24 19.1 69.1 26.8 31.9 18 2004 6.20 19.1 56.6 19.5 20.8 7.73 19 2005 15.7 38.4 14.2 19.4 6.26 3.43 20 2006 21.7 19.9 40.0 21 2007 31.4 37.5 29.6 22 2008 29.2 20.5 34.9 40.8 11.7 13.2 30.8 11.9 5.98 35.3 13.5 5.47 1.33 2.14 6.94 2.44 5.49 3.91 7.05 5.75 3.99 4.28 2.71 3.29 1.16 0.85 2.63 6.49 5.52 1.98 2.17 3.40 8.44 11.5 3.94 2.92 2.89 6.74 3.09 1.42 1.56 1.83 2.58 2.27 4.25 5.98 19.6 8.50 6.09 1.64 1.64 1.90 3.14 3.65 3.82 8.86 5.89 5.55 12.6 2.95 1.49 1.69 4.45 4.22 2.79 1.79 2.35 2.86 10.9 3.31 9.46 7.28 14.9 26.5 2.15 2.38 6.03 14.2 11.55 3.14 3.20 2.11 5.98 7.62

Structural Analysis
Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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River Ewaso Ngiro is to he the sole source of water and therefore the desion basis is the "safe" yield. The Water Resource Authority has set the allowable withdrawal at 5% of the mean monthly flow rate since there must be enough water left for the ecological health of the river or stream as well as for downstream users. Given a 22 year data on the river flow for each month, perform the complete series analysis and deternine whether the river can be able to support the immediate water needs of the Green Isinya Community. Given a population growth of 3% p.a., how long will the river provide adeqaute water supply for the community. b.) in continuing the evaluation of the river Ewaso Ngiro as a water supply system for New Isinya Green Surb-urban community above perform an annual minima extreme value analysis on the data in table 4. Determine the recurrence interval of monthly flows that fails to meet an average demand of 0.32 m3/s. Also determine the discharge of the mean monthly annual flow
1c. River Ewaso Ngiro is to be the sole source of water and therefore the design basis is the "safe" yield. The Water Resource Authority has set the allowable withdrawal at 5% of the mean monthly flow rate since there must be enough water left for the ecological health of the river or stream as well as for downstream users. Given a 22 year data on the river flow for each month, perform the complete series analysis and determine whether the river can be able to support the immediate water needs of the Green Isinya Community. Given a population growth of 3% p.a., how long will the river provide adeqaute water supply for the community. {16 MARKS} Table Q.1 Average monthly discharge of River Ewaso Ngiroy, m³/s Year Jan Feb Mar Apr Ma Jun Jul Aug Sep Oct Nov Dec y 1 1987 2.92 5.10 1.95 4.42 3.31 2.24 1.05 23456789UND 1988 24.3 16.7 11.5 17.2 12.6 7.28 1989 15.3 13.3 14.2 36.3 13.5 3.62 1990 11.5 4.81 8.61 27.0 4.19 2.07 1991 11.1 7.90 41.1 6.77 8.27 4.76 1992 2.92 5.10 28.7 12.2 7.22 1.98 1993 7.14 10.7 9.63 21.1 10.2 5.13 1994 7.36 47.4 29.4 14.0 14.2 4.96 7.53 1.93 1.15 2.78 0.91 3.03 0.74 1.02 1.08 3.09 7.62 3.03 10.2 10.9 17.6 16.7 1.83 1.93 3.29 5.98 12.7 2.04 2.10 3.12 2.97 4.45 1.70 1.44 4.02 4.45 3.03 0.67 1.33 2.38 2.69 3.03 10.9 3.12 2.61 3.00 3.82 2.29 1995 2.89 9.57 17.7 16.4 6.83 3.74 1.78 1.95 7.25 24.7 6.26 8.92 10 1996 11 1997 13.8 6.91 12.9 11.3 3.74 1.98 1.60 3.57 1.70 1.56 1.56 2.04 2.35 1.13 1.13 1.42 1.98 2.12 1.98 1.95 3.09 3.94 12.7 12 1998 4.56 8.47 59.8 13 1999 13.8 29.6 38.8 9.80 6.06 5.32 13.5 37.2 22.8 14 2000 2.51 13.1 27.9 22.9 16.1 9.77 15 2001 1.61 4.08 14.0 12.8 33.2 22.8 16 2002 21.8 8.21 45.1 6.43 6.15 10.5 17 2003 8.92 5.24 19.1 69.1 26.8 31.9 18 2004 6.20 19.1 56.6 19.5 20.8 7.73 19 2005 15.7 38.4 14.2 19.4 6.26 3.43 20 2006 21.7 19.9 40.0 21 2007 31.4 37.5 29.6 22 2008 29.2 20.5 34.9 40.8 11.7 13.2 30.8 11.9 5.98 35.3 13.5 5.47 1.33 2.14 6.94 2.44 5.49 3.91 7.05 5.75 3.99 4.28 2.71 3.29 1.16 0.85 2.63 6.49 5.52 1.98 2.17 3.40 8.44 11.5 3.94 2.92 2.89 6.74 3.09 1.42 1.56 1.83 2.58 2.27 4.25 5.98 19.6 8.50 6.09 1.64 1.64 1.90 3.14 3.65 3.82 8.86 5.89 5.55 12.6 2.95 1.49 1.69 4.45 4.22 2.79 1.79 2.35 2.86 10.9 3.31 9.46 7.28 14.9 26.5 2.15 2.38 6.03 14.2 11.55 3.14 3.20 2.11 5.98 7.62
Transcribed Image Text:1c. River Ewaso Ngiro is to be the sole source of water and therefore the design basis is the "safe" yield. The Water Resource Authority has set the allowable withdrawal at 5% of the mean monthly flow rate since there must be enough water left for the ecological health of the river or stream as well as for downstream users. Given a 22 year data on the river flow for each month, perform the complete series analysis and determine whether the river can be able to support the immediate water needs of the Green Isinya Community. Given a population growth of 3% p.a., how long will the river provide adeqaute water supply for the community. {16 MARKS} Table Q.1 Average monthly discharge of River Ewaso Ngiroy, m³/s Year Jan Feb Mar Apr Ma Jun Jul Aug Sep Oct Nov Dec y 1 1987 2.92 5.10 1.95 4.42 3.31 2.24 1.05 23456789UND 1988 24.3 16.7 11.5 17.2 12.6 7.28 1989 15.3 13.3 14.2 36.3 13.5 3.62 1990 11.5 4.81 8.61 27.0 4.19 2.07 1991 11.1 7.90 41.1 6.77 8.27 4.76 1992 2.92 5.10 28.7 12.2 7.22 1.98 1993 7.14 10.7 9.63 21.1 10.2 5.13 1994 7.36 47.4 29.4 14.0 14.2 4.96 7.53 1.93 1.15 2.78 0.91 3.03 0.74 1.02 1.08 3.09 7.62 3.03 10.2 10.9 17.6 16.7 1.83 1.93 3.29 5.98 12.7 2.04 2.10 3.12 2.97 4.45 1.70 1.44 4.02 4.45 3.03 0.67 1.33 2.38 2.69 3.03 10.9 3.12 2.61 3.00 3.82 2.29 1995 2.89 9.57 17.7 16.4 6.83 3.74 1.78 1.95 7.25 24.7 6.26 8.92 10 1996 11 1997 13.8 6.91 12.9 11.3 3.74 1.98 1.60 3.57 1.70 1.56 1.56 2.04 2.35 1.13 1.13 1.42 1.98 2.12 1.98 1.95 3.09 3.94 12.7 12 1998 4.56 8.47 59.8 13 1999 13.8 29.6 38.8 9.80 6.06 5.32 13.5 37.2 22.8 14 2000 2.51 13.1 27.9 22.9 16.1 9.77 15 2001 1.61 4.08 14.0 12.8 33.2 22.8 16 2002 21.8 8.21 45.1 6.43 6.15 10.5 17 2003 8.92 5.24 19.1 69.1 26.8 31.9 18 2004 6.20 19.1 56.6 19.5 20.8 7.73 19 2005 15.7 38.4 14.2 19.4 6.26 3.43 20 2006 21.7 19.9 40.0 21 2007 31.4 37.5 29.6 22 2008 29.2 20.5 34.9 40.8 11.7 13.2 30.8 11.9 5.98 35.3 13.5 5.47 1.33 2.14 6.94 2.44 5.49 3.91 7.05 5.75 3.99 4.28 2.71 3.29 1.16 0.85 2.63 6.49 5.52 1.98 2.17 3.40 8.44 11.5 3.94 2.92 2.89 6.74 3.09 1.42 1.56 1.83 2.58 2.27 4.25 5.98 19.6 8.50 6.09 1.64 1.64 1.90 3.14 3.65 3.82 8.86 5.89 5.55 12.6 2.95 1.49 1.69 4.45 4.22 2.79 1.79 2.35 2.86 10.9 3.31 9.46 7.28 14.9 26.5 2.15 2.38 6.03 14.2 11.55 3.14 3.20 2.11 5.98 7.62
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