survey of the irrigation potential of the lower tana river basin kenya

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- 2 In June 19^3 a preliminary mission, consisting of representatives of FAO and the consultants, undertook a pre-project evaluation, assessed requirements for equipment, and established limits for the irrigation project area so that the essential ground control surveys for mapping could proceed. 1.2 The Plan of Operation General guidelines for the survey of the irrigation potential of the lower Tana basin are set forth in the Plan of Operation as agreed and signed between the Government of Kenya, the United Nations Special Fund, and the Food and Agriculture Organization on 2 May, 1963. The Plan of Operation is attached as Appendix I to this report. Taking into account subsequent amendments to the Plan of Operation, it will be observed that the total cost of the projeot was of the order of US 8 1,747,600. The UNDP allocation of US $ 1,033,400 was in the form of technical personnel and contractual services, fellowships and equipment. Details of projeot personnel and fellowships are provided in Appendix II and III of this report. The Government counterpart contribution, estimated at U3 % 714»200 was in the form of counterpart technical and administrative personnel, local equipment and supplies, housing, office buildings, and transportation. 1.3 Field Operations All of the necessary field investigations were set in hand with the full cooperation of the Kenya Government. Some early delays and difficulties were experienced due to disruption of normal road communications through flooding and by the disturbed conditions in the area under investigation at the time. The delays caused through deferment of oertain investigations were largely overcome through the re-scheduling of operations, and although the field assignments for several members of the project team had to be extended, no substantial overall delay was experienced in completing the studies. The investigations carried out for this survey included mapping the portion of the lower Tana basin containing the irrigation project area, and the middle reaches of the riverj geologio and geophysical examination of foundation conditions at potential storage and diversion damsites; soils and vegetation surveys throughout the project lands} agronomio and irrigation experiments] and hydrometeorologic appraisals, network extension and analyses. Many miles of dry-weather roads and tracks were constructed to facilitate the surveys, permitting access throughout the irrigation project area and to various locations along the main river and its tributaries. Extensive laboratory analyses in the fields of soil chemistry and geoteohnics were undertaken. All of these, together with the related engineering, agricultural and economio studies, form the basis for evaluation of project potential as described in this report. 1.4 Aoknowledgements The Food and Agriculture Organization wishes to place on record its sincere appreciation of the assistance of the Government of the Republio of Kenya and of the many individuals and organizations who contributed materially to the successful execution
-3- of the survey. The keen interest and support shown by the Minister of Agriculture, the Hon. B. McKenzie, his Permanent Secretary, Mr. O.K. Kariithi, the Tireotor of Agriculture, Mr. P.T. Mirie, and other officers of his staff are greatly appreciated; also, special thanks are due to the Government's Co-Manager, Mr. G. Manig, and his predecessor, Mr. I.D. Watts, and all of the Government counterpart staff assigned to the survey, who ensured that the numerous requirements of the survey were provided in full. The guidanoe provided hy the Tana River Steering Committee has heen particularly helpful in clarifying Government policy and arranging for inter-departmental co-operation in the execution of the survey.
Page 1 and 2: ^ ISHIC LIBRAE? KE - 1968.06 Wageni
Page 3: Scanned from original by ISRIC - Wo
Page 6 and 7: - V - ABSTRACT This report describe
Page 8 and 9: FRONTISPIECE ABSTRACT CHAPTER I INT
Page 10 and 11: CHAPTER IX AGRICULTURAL DEVELOPMENT
Page 12 and 13: - 3d. Page No. APPENDIX I PLAN OF O
Page 14 and 15: •xiii LIST OF TABLES (Cont«d) go
Page 16 and 17: - XV - LIST OP PLATES No. Page Wo.
Page 20 and 21: A. CONCLUSIONS - 4 - SUMMARY OF CON
Page 22 and 23: -6- Sequential development of the p
Page 24 and 25: -8- 2.5 Scheme of Development for I
Page 26 and 27: •10- For a population of,say, 500
Page 28 and 29: - 12 - Expenditure on this scale, t
Page 30 and 31: -14- During the project, considerat
Page 32 and 33: 3.1 The Country - 16 - THE COUNTRY
Page 34: Physiography -18- On Plate 1, the e
Page 37 and 38: liOt 11JHS U2-VS-HOI-H
Page 39 and 40: - 23 - Table 3-1 - Long-term Averag
Page 42 and 43: - 26 - The upper basin is crossed b
Page 44 and 45: Irrigation Projeot Area - 28 - Earl
Page 46 and 47: - 30 - METEOROLOGY ABI) HYDROLOGY C
Page 48 and 49: - 32 - In East Africa, meteorology
Page 50 and 51: Table 4-^2 - Long-term Average Flov
Page 52 and 53: -36- The East African Meteorologica
Page 54 and 55: Rainfall - Project Area -38- The an
Page 56 and 57: - 40 - Table 4-9 - Sedimentation Es
Page 58 and 59: -42- (d) Other. Topographic maps of
Page 60 and 61: -44- • Elsewhere within the lower
Page 62 and 63: -46- SOILS AMD VEOETATIOff CHAPTER
Page 64 and 65: 0 L A L L TJ V I A L T 0 U N a A L
Page 66 and 67: Mapping symbol of the associations
Page 68 and 69:
Class Suitability for irrigation -5
Page 70 and 71:
I, Class Suitability for irrigation
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-56- to continue and expand the app
Page 74 and 75:
-58- •Pii-rfhAT rfiBflapeh with r
Page 76 and 77:
-60- W A+ ÄW»Ä^»-«-««/»< %
Page 78 and 79:
-62- AGRO-ECONOMIC STUDIE S CHAPTER
Page 80 and 81:
Year 4.5 Low rate. -64- Table 8-2 -
Page 82 and 83:
- 66 As the investment neeaasATy to
Page 84 and 85:
3UIX 3ÏVHd ICTMd uouTioa »-a î-a
Page 86 and 87:
»LOCK 1 FARCCL ir S ACRM »TAOr i
Page 88 and 89:
-72- Based on the foregoing, averag
Page 90 and 91:
-74- POWER POTENTIAL AND MARKETS CB
Page 92 and 93:
-76- The Kinda-rnma développent oo
Page 94 and 95:
PEAK DEMANO (MW X K)0) T • 3 4 S
Page 96 and 97:
oc UI Q. < ui o CE UI as ui 8 10 30
Page 98 and 99:
-82- WATER RESOURCES PLANHTKO ATO P
Page 100 and 101:
-84- Tttule xi-d - Firm Flows and E
Page 102 and 103:
Irrlgation potential -86- Although
Page 104 and 105:
-88- On Plate 11, the schedule at w
Page 106 and 107:
-90- As discussed in Chapter X. fn?
Page 108 and 109:
-92- POWER DEVELOPMENT CHAPTER XII
Page 110 and 111:
-94- Tabje, JL2"J. ~ Head, Flow and
Page 112 and 113:
H -o\ \ ~ ~ PLATE 12
Page 114 and 115:
ICOUCNCC * tCOUCKCC • UMMN - l.'M
Page 116 and 117:
LOAD »ROWrH CONFLUENCE DEVELOPMENT
Page 118 and 119:
o X » 9 .a o z < 4 Ul 0. 1*60 NAIR
Page 120 and 121:
I- — 1 1 — i i — 1 • : i !
Page 122:
-106- 13«1 Potential Devaioptent -
Page 126 and 127:
-110- Thô large developments of ir
Page 128 and 129:
-112- 13.2 Potential Dev^Topssst -
Page 130 and 131:
-114- The full cost of derslcpssüt
Page 132:
13.7 Research and TVajsis^ Pontic -
Page 135 and 136:
-119- Table 13-3 Research and Train
Page 137 and 138:
-121- The population ultimately to
Page 139 and 140:
-123- Also considered in the same,
Page 141 and 142:
15.2 Specific Points -125- There is
Page 143 and 144:
- 127 - ECONOMIC EVALUATION CHAPTER
Page 145 and 146:
COL. Y E . TABLE.I6-IA INVESTMENTS
Page 147 and 148:
TABLE 16-IC INVESTMENTS FOR IRRIGAT
Page 149 and 150:
COL. TABLE 16-2A IRRIGATION DEVELOP
Page 151 and 152:
COL. i 2 .3 4 5 6 7 8 9 10 II 12 13
Page 153 and 154:
-137- ' The various investment, ann
Page 155 and 156:
3 s z 4 I ,., , S\ •1 IIUIHII T 1
Page 157 and 158:
i 1 liHtnn / / / / / r> ^ —T tl»
Page 159 and 160:
L E 6 E tl O BI B.2 Cl C.2 P P.20 P
Page 161 and 162:
-145- On the other hand, the type o
Page 163 and 164:
••• It • * ••> 1* "«
Page 165 and 166:
-149- been assumed to be £ 20 per
Page 167 and 168:
-151- Frora the preceding analyses,
Page 169 and 170:
COL. I. Y E 'A R 1 IRRIGATION DEVEL
Page 171 and 172:
- 155 - TABLE I6-5D TOTAL REQUIRED
Page 173 and 174:
- 157 -•• TABLE I6-6B FOREIGN C
Page 175 and 176:
- 159 - TABLE I6-6D FOREIGN CURRENC
Page 177 and 178:
-161- Erom the financial analysis d
Page 179 and 180:
-163- Further agronomio studies are
Page 181 and 182:
-165- PLAN OP OPERATION UNITED NATI
Page 183 and 184:
-167-. (V) Hydrologlcal investigati
Page 185 and 186:
-169- (II ) Fellowships - each for
Page 187 and 188:
(il) Equipment and Supplies (Cont'd
Page 189 and 190:
-173- 9. The privileges and immunit
Page 191 and 192:
-175- 24. Upon the arrival of the P
Page 193 and 194:
-177- III • BUDGET 32'.' In. addi
Page 195 and 196:
Project Managers Project Co-Manager
Page 197 and 198:
-181- REFERENCES APPENDIX IV 1. Cli
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