Runji Consulting Group

Kenya Horticulture and Traditional Food Crops Development Project- Irrigation and water supply component – Will Pows Dam, Bora Ranch/Farm for Horticulture/ Agricultural Farm Development, Laikipia District

Name of Client: International Federation of Agricultural Development (IFAD)

Narrative Description of Project: Design of Will Pows Dam for Water conservation for Horticulture/Agricultural Farm Development under the funding of IFAD for Borana Ranch.

Description of Actual Services Provided by your Staff:

Final Design and tender documents of Will Pows Dam consisting of (i) 13.5 M High x 265 M long compacted earthfill embankment (Fill=90,300m3, Water depth 10M, Reservoir Surface Area 12 Ha, Live Storage 443,910m3, Dead Storage 22,400m3 (ii) Draw off 200mm dia. Upvc, Scour/Compensation System-200 mm GI (iii) Natural Drainage Catchment Basin 32 Km2. (iv) Spillway Works, 52 M wide open earth channel, Inflow Design Flood, 150m3/s, 1 in 100 Year Return Flood), (v) 52m concrete ogee weir at control section.River Flood Off-take Weir: Source-Ephemeral Lagga–tributary of Ngare Ndare River: 11.5M x 2.8 M High Concrete diversion weir.Flood Water Conveyance Canal (Irrigation)-2 Km Open unlined earthen trapezoidal section, maximum discharge capacity Qm=2.60m3/s, dm=1.0m. 450 mm dia. PCC road crossing culverts.

Country: Kenya                      Project Location Within Country: Laikipia District, Nanyuki

Start (month/year) September 1996   Completion(month/year)  May 1997

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