su lavori elettrici: South Africa appalti, appalti pubblici 2025




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totale: 324
04 feb
Quotations are hereby invited for the repair and maintenance of the wastewater treatment plant in Loeriesfontein. Scope of Work: Inlet screen: • Not applicable; Electrical Supply System: • Check that all electrical cables & connections are intact and free of damage; • Check that Distribution Board/Control Panel Switches, Indicator Lights, Controls, Circuit Breakers, Contactors and overload protections are operational and test functionality where applicable; • Clean control panel and trunking and remove dust build up and any other materials Air Supply System; • Check all blowers for damage/wear or lubrication requirement; • Cleaning of Air Filter as required and replace quarterly; • Check all valves, relief valves, pressure gauges and piping for wear/damage and repair/replace as required; • Visually inspect bioreactor tanks to verify air supply to bioreactors; Re-Activated Sludge Return: • Check functioning of all valves; • Check if sludge return is functioning properly from all clarifier tanks; • Remove sludge return pumps visually inspect and check for any obstructions in the impellers; • Check sludge levels in all tanks and de-sludge if required; • Check dosing pump operation and settings and replace bacteria if required; Disinfection System: • Check operation of Ozone generators; • Measure air flow and maintain all pumps, Valves and components as per OEM Guideline; General/Process Operation: • Record whether the Plant been regularly maintained with respect to general cleanliness and preventative maintenance; • Are there any floating materials in any of the tanks; • What is the colour of the mixed liquor; • Is there a bad smell around the Sewage Treatment System; • Is there any floating sludge in the settler tanks; • Re-Train the relevant personnel during the service of the Plant; • Issue a report on the findings during the service on the Plant along with analysis results; Exclusions: • Any repairs on equipment; • Electrical component repairs; • Piping and Fittings repair. (EN) Aggiungi a preferiti
Cliente: ONLINE TENDERS

Numero: 118405312

Nazione: South Africa

Fonte: ONLINE TENDERS

15 dec
Proposals are hereby invited for the appointment of a service provider to implement the objectives of an external minor works project. Scope: The Client requires the services of a contractor for the following: Perimeter Security: Roller shutter doors at each entrance gate (four entrances) (Client 1 and Client 2); • New automated and perforated roller shutter doors; • Steel support structure and associated pad foundations; • Linking the roller shutter doors to the existing Gallagher security system; • New 2.4m high electric fence (Client 1 and Client 2). Electric fence to communicate with the existing Gallagher security system and to be installed by a Gallagher approved sub-contractor. Interfacing the existing Gallagher system will be done by the in-house service provider. Perimeter fence: • Repair and repaint existing steel palisade fence (Client 1 and Client 2); • Replace damaged steel palisade fence panels to match existing (Client 1 and Client 2); • Low level dry stack retaining walls (Client 1). Landscaping and Irrigation: • Removal of existing trees and planting of new trees (Client 1 and Client 2); Soft landscaping focused on the main building entrances and street entrances to the site (Client 1 and Client 2). Borehole and irrigation booster pump station (Client 1): • Connecting the Client 1 borehole and tanks to the new irrigation ring main; • Upgrade existing borehole pump electrical equipment (Client 1); • Replace existing booster pump electrics (Client 1); • Clean out existing borehole water storage tank (Client 1). Irrigation: • Repair work to the existing irrigation mainline (Client 1 and Client 2); • Installation of a new ring main including turf valves (Client 1); • Limited drip irrigation (Client 1). (EN) Aggiungi a preferiti
Cliente: ONLINE TENDERS

Numero: 116068255

Nazione: South Africa

Fonte: ONLINE TENDERS

13 dec
Bids are hereby invited for the appointment of a reputable service provider to provide cleaning and hygiene services to Gauteng Offices (Erasmuskloof, Centurion, Beta, Numerus and Medical Battalion) for a period of five (5) years. The scope of work for the bidders is as follow: (a) Cleaning and Hygiene services to Gauteng Offices (Erasmuskloof, Centurion, Beta, Numerus and Medical Battalion) for a period of Five (5) years, which includes the following: i. Cleaning of floors and surfaces in the entire building with an exception to restricted areas such as the electrical and mechanical emergency rooms and the main industrial kitchens at Centurion and Erasmuskloof; ii. Deep cleaning of carpets, couches and office chairs; iii. Cleaning of windows up to the level of 3 metres; iv. Provision of all cleaning material and cleaning equipment; v. Dusting; vi. Waste removal and recycling; vii. Cleaning of walls up to the level of 3 metres and paintwork; viii. Cleaning glass and metalwork; ix. Reception and entrance cleaning; x. Toilets and rest room cleaning; xi. Pests reporting; xii. Foyer cleaning; xiii. Blinds cleaning; xiv. Cleaning of office furniture and equipment; xv. Preparation and cleaning of meeting venues; xvi. Cleaning and filling water coolers; xvii. Cleaning of walkways; xviii. General housekeeping in and outside the buildings; xix. Cleaning of gym facilities; xx. Cleaning of all training facilities; xxi. Cleaning of security guard houses and change rooms; xxii. Cleaning emergency exits and doors; xxiii. Deep cleaning of the ablution; xxiv. Weekly servicing of sanitary bins (including provision of bin liners and powder); xxv. Quarterly deep cleaning of barrier mats; xxvi. Work to be in accordance with the Occupational Health and Safety Act and National Occupational Safety Association Standards; (b) The once-off supply of SHE bins and Monthly Servicing of Sanitary bins in all restrooms for a five (5) year period; (c) The once-off supply of barrier mats with the Clients logo and servicing of the mats for a five (5) year period. (EN) Aggiungi a preferiti
Cliente: ONLINE TENDERS

Numero: 115973778

Nazione: South Africa

Fonte: ONLINE TENDERS

13 dec
Re-Advertisement of Tender Number: SAWS-392/24. Bids are hereby invited for the acquisition, installation, and commissioning of two (2) solid state, dual-polarized X-Band Weather Radars in the Western Cape. Scope of work: The acquisition, installation, and commissioning of two (2) solid state dual-polarized X-Band weather radars includes, but is not limited to the following sub-activities that will be managed by a turnkey service provider: 1. System Design: - Detailed design of radar system and peripherals, - Interface design and data transfer description, 2. Radar Site Establishment: - The service provider to conduct full site suitability analysis, - Environmental Impact Assessment, - Electricity Supply & Connection (Eskom), - Site Layout and Electrical Plan, 3. Acquisition and Installation of the Radar System: - Acquisition process definition (Defining the acquisition process), - Radar System Transportation to the Site, - Civil Works, - Radome, - Radar Tower Erection, - Eskom Power Supplies to Radar Site, with a design for off-grid solar system or hybrid solar, system indicated as an option. - Power backup Systems (Generator & Bulk Diesel Tank), - Housing and environmental control systems, - Site security (clearvu or equivalent high security fence, Electric fence, CCTV for remote viewing, alarm system). 4. Commissioning, Training and Handover: - Communication system and data transmission that allows integration into the SAWS ICT Network, for example VSAT or available GSM networks, - Integration into the SAWS TITAN/LROSE Radar network, - Training of operators and maintenance technicians, - Commissioning, Testing and hand over. (EN) Aggiungi a preferiti
Cliente: ONLINE TENDERS

Numero: 115973786

Nazione: South Africa

Fonte: ONLINE TENDERS