BCHODConsulting Engineers (Zimbabwe)
Brian Colquhoun, Hugh O'Donnell and Partners
Projects for mining
Major Water Sudies
Water Supply Dam Projects


BCHOD and their strategic Partners are well placed to provide a complete investigation and design service for embankment dams. Whether for water supply or tailings storage- other water -retaining structures and related engineering infrastructure.

The services typically include:


Projects for Mining Clients

Zambia Mines

Ongoing investigation (by TCK) for tailings dam decant systems for mining clients in Zambia.

Murowa Mine

Technical and Safety Audit for Murowa Mine tailing Facility.

Sengwa Mine

Dam study and Preliminary design.

Cam & Motor Mine Kadoma Area

Water Supply Dam for mine, BMR and housing.


Investigation into provision of bulk water supplies for Tiger Reef, Arcturus and How Mines. Design and Supervision of Dams at Mazowe, How and Athens Mines. Investigations and report into Augmentation of water supply scheme for Mvuma/Athens Mine including study of associated dams.

African Associated Mines

Designs and construction for reclamation of water effluent for use in the Mill area. Raw water intake, treatment works, pumping mains, reservoirs and 16km of gravity mains for bulk water supplies to Tshovani Mining Complex.

Major Water Sudies

City of Harare Water Supply Project – Kunswi Dam- Stage II

Study and designs, in joint venture with German Consultants GKW and TCI of United Kingdom, for new intake, treatment works, pipelines, reservoirs, pumpstation and distribution works based on the proposed Kunsvi Dam.

Unki Mines Bulk Water Augmentation Study

Zimbabwe based co-consultant for the high level study to identify options for augmenting the bulk water supply for Unki Platinum Mine near Shurugwi in Zimbabwe.

Activities Included: Collection and reviewing of existing pertinent information, including the legislative framework and the various acts governing the use of water in Zimbabwe. Desktop identification of possible dams sites in and around the mine area, including an assessment of the feasibility of raising the existing Lucilia Poort Dam. Site visits to confirm condition of identified sites. Cost estimates for the most feasible options and compilation of a report with recommendations for further actions.

Water Supply Dam Projects

BCHOD Dam Designs

Howe Dam
Mckenzie Dam
Tugwande Dam
Kafubu Dam
Kafumvuti Dam
Nigel Gates Dam
Several Dams for Bulawayo City Council
Seke Dam
Claremont Dam
Kapiri Mposhi

TCK Dam Designs

Sebakwe Dam Raising
Mwenje Dam Raising
Beitbridge ORS Stage 2
Smallbridge Dam
Rufaro Dam
Bangazaan Dam
Clifton ORS Dam
Mazvikadei Dam
Manyuchi Dam
Midsave Canal Stage 2
Muzhvi Dam
Mamina Dam
Tokwane Dam
Osborne Dam
Mtshabezi Dam
Zhovhe Dam
Wenimbi Dam
Tokwe – Mukosi Dam (under construction)

The above dams include earth fill embankments up to 65 m high and concrete arch dams up to 50 m high. Tokwe Mukosi is an 89 m high concrete-faced Rockfill dam.

Dams under Lloyd Fende Investigation Design and/or Construction

Mushimbi Dam
Clifton Storage Dam
Muzhwi Smallbridge, Mayone Dam and ten other similar size dams
Small Dam Investigations for Kudu Dam, Jumbo Mine Dam.