BCHODConsulting Engineers (Zimbabwe)
Brian Colquhoun, Hugh O'Donnell and Partners
BCHOD × PROFILE
EXPERIENCE RELEVANT TO HOUSING AND RELATED INFRASTRUCTURE
Services to Housing Developments on Mining and Industrial Projects

EXPERIENCE RELEVANT TO HOUSING AND RELATED INFRASTRUCTURE


Housing Project Infrastructure

The Firm has been deeply involved in report preparation related to the investigation of standards pertaining to the provision of services for high and medium density housing developments and takes into account affordability analysis. The following reports have been prepared for use in Zimbabwe and Botswana :

"Design Approach to Water and Sewerage Problems Relative to Urban (Predominately High Density) and Rural Communities in Zimbabwe".

"Design Approach to Road and Storm water Drainage Relative to High Density Housing Developments".

"Study of Standards and Cost of Infrastructure and Shelter in Botswana” Volume I and II, November 1990".

"Standard Conditions of contract and Specifications for Civil Engineering Works in High Density Housing Contracts".

The Firm has also specialized in the field of infrastructure services for residential as well as commercial and industrial developments.

It is estimated that in the last 20 years, BCHOD Zimbabwe has been involved in the provision of on-site and off-site infrastructure services to over 150 000 houses.

A summary of some of the more significant projects is included below.
NO OF PLOTS S/S : Site & Service
L :Low Cost
M:Medium Cost
H:High Cost
ROADS STORM-
WATER
SEWERS WATER
SUPPLY
Hyde Park Bulawayo 75 000 Low Cost - Master Planning of Services
Chitungwiza 16 000 S/S * * * *
Unit P 90 L * * * *
Zengeza 5 635 L * * * *
Epworth Harare 10 000 L/M * * * *
City of Harare * * * *
Glaudina 3 600 L/M * * * *
Crowborough 2 300 L/M * * * *
Dieppe Road, Cranborne 111 M * * * *
Blakeway Dr, Belvedere 58 M * * * *
Shaftsburg Ave.
Cranborne
38 M * * * *
Mabvuku ] 8 000 S/S * * * *
Zengeza ]
Glenview ]
Bluff Hill, Harare 20 000 M * * * *
Houghton Park, Harare 350 L/M * * * *
Marimba Park, Harare 300 M * * * *
Msasa Park, Harare 2 500 L/M * * * *
Marlborough, Harare 20 000 M * * * *
Kuwadzana 3 250 L * * * *
Rugare Bulawayo 700 L * * * *
Kwe Kwe 1 045 L * * * *
Parkridge Harare 700 L * * * *
Chiayi 500 L * * * *
Beitbridge 100 L * * * *
600 H * * * *
Zimunya 450 L * * * *
Rio Tinto 100 M * * * *
Cam & Motor Mine 500 H * * * *
Patchway Mine 200 L * * * *
Renco Mine 1 500 L * * * *
80 M * * * *
20 H * * * *
Zinca Mine 3 000 L * * * *
300 M * * * *
40 H * * * *
Sengwe (Feasibility) 5 000 L * * * *
500 M * * * *
100 H * * * *
Banket Council 300 L * * * *
Gwanda Council 500 L * * * *
Tilcor 1 150 L * * * *
50 M * * * *
Lonrho 1 000 L * * * *
100 M * * * *
50 M * * * *
Sanyati 500 L * * * *
Harare Suburb 500 M * * * *

Services to Housing Developments on Mining and Industrial Projects

ANGLO AMERICAN - Unki Mines

Design of infrastructure including bulk services of 1400 houses on green field site at Shurugwi. Construction phase August 2011

RIO TINTO - Renco Mine

Complete surface development of the new Renco Gold Mine. This included all of the infrastructure services including Town Planning to the mine, plant and residential areas including bulk water supplies, main access roads and sewage treatment. This followed the preparation of a report on Planning of New Mine Villages.

RIO TINTO - Murowa Diamonds Mine

2003 Study and Design for Village.

2007 Expansion (MXP) Study and Design for New Village.

2010 MXP Review including research into sustainable housing technology.

ZIMPLATS - Ngezi Mine

Project Management of the original villages at Ngezi and Selous. Design of Bulk Services

Preliminary site investigations, estimates etc. for expansion and new village alternatives.

Zinca Mine

Chegutu Area

Town planning and infrastructure requirements for the Zenca Mine which include the Town planning for 75 low density houses, 100 medium density houses and 2000 high density houses, bulk water supply for industrial and domestic purposes at 10 500 cubic/m day. Water treatment, storage and reticulation, sewage systems and disposal, electrical supplies for ultimate load for domestic and industrial purposes, internal roads and Storm water, materials location for concrete work and house block work. The analysis and upgrading of some 65 kilo metres of access gravel roads to the mine from the main national road and Cam & Motor Mine.

Sengwa

Major feasibility study concerned with the production of methanol from coal at Sengwa. The process specialists were Messrs Badger and our role was to deal with the total infrastructure. The alternatives considered were to place the methanol plant either at the coal deposit or in KweKwe and the comparisons required a transportation study related to road, rail and pipeline transportation of coal and the locating, siting and costing of the industrial and mine complex with associated domestic accommodation. In the option of producing methanol at Sengwe a dam of major size, and an airport were required.

Cam & Motor Mine Kadoma Area

The redevelopment at Cam & Motor Mine at Eiffel Flats Mine at Eiffel Flats for 220 low density houses, 330 medium density houses and 1 660 high density houses, together with the water supply, sewage system and disposal and the electricity supply to housing and base metal refinery.

Lonrho

Infrastructure Services designs of water, sewerage and sewage works at TigerReef Mine.
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. Presently engaged on further dam design for How Mine.
Investigations and report into Augmentation of water supply scheme for Mvuma/Athens Mine including study of associated dam.

African Associated Mines

Design and Construction of new Tshovani Mines Airport.Raw water intake, treatment works, pumping mains, reservoirs and 16 km of gravity mains for bulk water supplies to Tshovani Mining Complex.Sewage treatment facilities for King Village, Gatt’s Mine, Mashava, including reclamation of effluent for use in the Mill area.

Union Carbide

Planning, design and supervision of Development construction for the development of 600 stands in a new mine township at Mutorashanga. Works included 580 low cost houses, roads, Storm water drainage, water reticulation, sewerage and a new sewage disposal works to cater for 800 properties.

Design and supervision of construction of infrastructure for up to 450 stands in Sebanga Park township for Shurugwi Town Council and Union carbide and augmentation of water supply for both town and mine. Works included new water treatment works, pumping mains, reservoirs and new sewage treatment works. Phase I works now completed including 200 stands and 150 houses for mining employees.

Rio Tinto and Falgold

Joint Water Supply Scheme for Golden Valley/Patchway Mines northwest of Kadoma including reservoirs, associated works and 17 km of 250 and 200mm diameter asbestos cement pipeline.