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Water

From infrastructure backlog to boom?

By: System Author     30th April 1999 The South African government is in the final stages of developing a strategy to begin containing the burgeoning backlog in infrastructure spending – the backlog has been estimated to be larger than R170-billion. An inter-ministerial team, embracing all ministers involved in infrastructure... 

Solar roof development

By: System Author     30th April 1999 A solar roofing system, jointly developed by Gapp Architects and Urban Designers and Solar Heat Exchangers, is being used to roof part of a public bathhouse built for the Katorus Market Society. This society is a non-governmental organisation representing the townships of Katlehong, Tokoza and... 

R97-million for two new pipelines

By: System Author     30th April 1999 More than R97-million has been set aside by the board of Rand Water for the construction of two new pipelines to meet the long-term needs of several areas in Gauteng into the new millennium. Rand Water chief engineer: pipelines Alan Tonks reports that the board has approved an amount of R97 368... 

Heavy-duty slurry seal from Oz

By: System Author     30th April 1999 The new John Crane type 5860 slurry seal was developed in Australia with the help of global original-equipment manufacturers, specifically for use on heavy-duty slurry pumps. It covers most slurry pumps, and is available in sizes from 50 mm to 220 mm in diameter. The seal was designed to... 

Complete solution for power industry

By: System Author     30th April 1999 It is imperative that the quality of water in steam-generation plants is controlled to high standards. Burkert Contromatic has products suitable for this demanding environment, and it will be releasing 37 new products this year alone, one of which is Top Control. This is heralded by the company... 

New sand-supplier in foundry market

By: System Author     23rd April 1999 When and where was the project established? We formed the company in the spring of last year for the purpose of reclaiming, processing and marketing specialised silica-sand products. The dump-deposit is located at an area commonly known as the ‘Die Moot’ near Hekpoort in the North... 

Jana best bet for R6bn water-transfer option

By: System Author     16th April 1999 The dam sites and conveyance alternatives have been decided for the proposed R6-billion Thukela water project (TWP), one of the options for inter-basin transfer to supplement the Vaal River system, Engineering News can today report. The project was identified as an inter-basin transfer option... 

Damaged equipment rises from the ashes

By: System Author     16th April 1999 Local loss-recovery specialist Relectronic- Remech of Randburg, Gauteng, boasts an impressive track record of producing cost-savings for its clients ranging from 76% to 98% of the replacement value of electronic equipment, electromechanical equipment and computer hardware. The company is not only... 

R198-million loan agreement for Namibia

By: System Author     9th April 1999 A R198-million loan agreement has been signed between the Development Bank of Southern Africa (DBSA) and the government of Namibia, for on-lending to the Windhoek City Council. This is part of the DBSA’s fulfilment of its mandate to build foundations for development in the Southern African... 

Answer to problem of acid mine drainage

By: System Author     9th April 1999 A revolutionary new process for the purification of acid mine drainage or any effluent with a high sulphate content has been developed by Mintek in conjunction with Savannah Mining and the Wren group. The patented Savmin process is a simple, cost-effective process for producing water of potable... 

Sanitation for 400 000 users

By: System Author     9th April 1999 Despite budget constraints, the Eastern Gauteng Services Council (EGSC) has been able to provide 400 000 people with effective sanitation and water services in the past three years, water and sanitation manager Danie van der Merwe tells Engineering News. He adds that, in general, budgets are... 

Sampler eliminates errors

By: System Author     9th April 1999 Historically, reliable sampling of liquids has been impeded by the human element in sampling procedures. The new Endress+Hauser precision sampler ASP 2000 solves this problem by automating the process, and providing precise sample-dosing as well as cooled-sample storage, and can be used on... 

New pure-oxygen treatment system for SA

By: System Author     9th April 1999 More stringent legislation and concern for the environment have increased the awareness in South Africa for improving industrial and municipal wastewater disposal. Companies are looking at new ways to improve existing operations, or apply advanced technologies to new processes. Air Products, a... 

20-year sludge-processing contract for Pta

By: System Author     9th April 1999 In line with government’s intention to finance capital projects through the private sector using build, operate, transfer/build and operate, own, transfer (Bot/Boot) techniques, the Greater Pretoria Metropolitan Council (GPMC) is in the process of finalising enquiries for a 20-year Boot... 

R17m Cape Town pipeline

By: System Author     9th April 1999 A 3 800 m sewer pipeline being laid in Cape Town’s northern suburb of Goodwood at present, which is due to be completed in July, will make an important contribution to Cape Town’s utility facilities. The R17-million tender to replace the existing 500 mm sewer line was issued by the... 

Firms flow together to offer turnkey service

By: System Author     9th April 1999 Asubsidiary of Bate- man Project Hol- dings, Bateman Water, is well-positioned to compete strongly in the water-treatment market in Southern Africa and abroad. Bateman Water was established when Bateman acquired Bateman Water Treatment (BWT) from Bateman Industrial Corporation, and merged its... 

Electro-osmosis filter

By: System Author     9th April 1999 The first order to supply an electro-osmosis (E-O) belt filter for a wastewater-treatment plant has been received by Steinm 

New anti-pollution biocatalyst tested

By: System Author     9th April 1999 South African researchers are working on an innovative concept aimed at naturally purifying the widespread pollution in the country’s rivers. A research project financed by the Water Research Commission (WRC) has revealed that some of the biological aids already used to purify polluted... 

1964 gearboxes still going at wastewater works

By: System Author     9th April 1999 Four generations of Brook Hansen industrial gearboxes work seven days a week around the clock to assist with the purification of 35-million litres of water a day at the Baviaanspoort wastewater-purification works in Pretoria. Purification plants are notorious for the severe demands they make on... 

Valves for water, effluent services

By: System Author     9th April 1999 INNOVATIVE valves for water and effluent services have been released by BTR Flow Control of Jet Park, Gauteng. Effluents can contain chemicals which could cause corrosion problems in valves. To overcome corrosion, metal piping and valve systems often have to use special alloys, which are very... 

New range improves bearing load rating

By: System Author     2nd April 1999 Manufacturer of split roller-bearings Cooper Bearings, of the UK, will be launching its new range of 01E series roller-bearings through local distributor Bearings International, a subsidiary of Hudaco, this month. “The new 01E range is an upgraded version of the 01 series, and will replace... 

SA can now drink its fog

By: System Author     26th March 1999 A project to build a fog-collecting system which provides drinkable water to Tshanowa Junior Primary, located in the Soutpansberg mountains in the Northern Province, was completed this month. Funded by the Water Research Commission (WRC), this project served as a pilot project aimed at assessing... 

Small turbines a worldwide energy source

By: System Author     26th March 1999 Worldwide micro-hydro turbine technology is winning popularity as a flexible medium-sized rural power source. Having progressed from research and development to commercialisation in just four years, former World Electricity Council chairperson John Baker pointed out at last year’s congress... 

Black-empowerment water-care initiative

By: System Author     26th March 1999 A joint venture (JV), known as Water- care Africa, has been formed between wholly-owned AECI subsidiary Kynochem and Lupoid International, a black-empowerment consortium. The new company will supply a range of chemicals supported by technical service, installation of tanks, operation of plants,... 

New flowmeters added to range

By: System Author     26th March 1999 US instrumentation specialist Dwyer, represented locally by Gosair Instruments, has systematically extended its range of flowmeters. Dwyer has just added a further two products to its 1999 product list, namely vertically-mounted variable-area (VA) and direct-reading (DR) flowmeters. This... 

Running water tops

By: System Author     26th March 1999 THE provision of running water is seen by South Africans as the most important service priority, followed by affordable housing, electricity, health care and local policing. These findings regarding service delivery emerged from the Human Sciences Research Council’s (HSRC) latest survey of... 

Johannesburg slashes its capex budget

By: System Author     26th March 1999 Johannesburg’s committed capital expenditure budget will be slashed to only R84-million next year and will fall further to R44-million in 2000–2001, city manager Ketso Gordhan tells Engineering News. However, Gordhan is hoping to direct an additional R200-million-to-R400-million... 

Dewatering filter-press installation for steel giant

By: System Author     26th March 1999 Design engineering company Delkor Technik, of Gauteng, has been awarded a multimillion-rand contract for the construction of a filter-press installation to dewater scrubber dusts generated by the wet-scrubbing of the off-gases from the blast furnace at Iscor Vanderbijlpark Works. The filter press... 

Oil-filtration benefits are punted

By: System Author     26th March 1999 South African industry needs to be made aware of the monetary and other advantages of oil filtration instead of simply throwing out used oil, reports Chemilite GM Craig Allport. He explains that the company applies a process whereby machines are used to recycle and purify oil by removing solids,... 

Novel portable filter system introduced

By: System Author     26th March 1999 A revolutionary new mechanically-oper- ated portable filter system known as the Bewasan Classic, which is especially suited for use in the mining industry for purifying battery water, has been introduced to South Africa by Pure Water Technology. Marketing manager Franco Diederiks explains that... 

Piping hot-success in Botswana

By: System Author     26th March 1999 All pipelines supplied for the water-treatment plants of the P1,5-billion North– South Water Carrier project in Botswana have been inspected by local inspection authority Innovative Inspection Services (IIS) of Centurion. Work for the Group Five and LTA joint venture involved inspecting all... 

R146m Botswana water contract

By: System Author     26th March 1999 BOTSWANA’s department of water affairs has awarded a R146-million contract to the Grinaker Whyle/WBHO joint venture. The project involves the upgrading of the water supply, distribution network and sanitation system in and around Tlokweng village, situated outside Gaborone in Botswana. The... 

Power problem solved

By: System Author     26th March 1999 NAMIBIAN electricity utility NamPower called in Alstom Engines to investigate a problem experienced on one of four giant 6,4 MW Mirrlees Blackstone diesel engines at the Paratus power station at Walvis Bay. The 16-cylinder engines, which weigh about 105 t each, drive the generators of the power... 

World’s largest restructuring of forest assets

By: System Author     19th March 1999 What is on offer? The government is offering the assets of the South African Forestry Company (Safcol), and half of the forests of the Department of Water Affairs and Forestry. All in all, this amounts to 332 000 ha of forest plantations, and five sawmills. This is the largest restructuring of... 

Forestry industry faces legislative burden

By: System Author     19th March 1999 The forestry industry is struggling to bear the weight of what it perceives to be restrictive and, in some cases, discriminatory legislation affecting every forester in South Africa, reports Forest Owners’ Association (FOA) executive director Mike Edwards. “This legislation is making... 

New Jhb paint-finishing facility

By: System Author     19th March 1999 A completely-new semi-automated paint-finishing facility has been installed at the Johannesburg assembly plant of SEW Eurodrive. The additions were made without interruption or changes to the assembly lines, and will improve production output for the smaller to medium sizes of geared motors. The... 

Hi-tech projects flowing at soft drink maker

By: System Author     12th March 1999 Various new-technology projects flowing from soft-drink producer Amalgamated Beverage Industries’ (ABI) Clayville plant, in Gauteng, will enable the company to increase production substantially. In August last year the warehouse space of 12 700 m2 was increased by 3 200 m2 to 16 000 m2.... 

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