Water mains - South Africa: tenders. rfq, rfp. Public and goverment procurement information and competitive bids. 2024

13 oct

Addendum: Amendment to tender documents: Tenders are hereby invited from suitably qualified and experienced Contractors for the Lady Grey Water Supply: New trunk and reticulation water mains for Kwzinaledi and Transwilger. Contract period: ± 12 months. (EN)

Customer: ONLINE TENDERS

Number: 112177729

Country: South Africa

Source: ONLINE TENDERS

12 aug

Suitable and qualified service providers are invited to quote for the supply and installation of 3 phase diesel generator 50kva. Specifications: Engine: 1. Industrial heavy duty diesel engine, water-cooled, 4 stroke and runs at 1500rpm, 2. Radiator to be a tropical type with pusher type cooling fan fitted with protection guards, 3. Engine to be equipped with 12 volt dc starting electrical system with starting motor, charging alternator, and high capacity battery with connecting cables, 4. Engine to be fitted with a set-mounted heavy duty long life industrial exhaust, 5. The engine filtration system should have replaceable elements for its air, fuel, and oil filtration, Alternator: 1. The alternator must incorporate a self-regulating sealed automatic voltage regulator, 2. Fitted with a fully sealed Automatic Voltage Regulator(AVR) that incorporates the following: - ±1% voltage regulator, - Under speed protection, - Short circuit current level adjustment, - Maximum excitation & loss of sensing protection, 3. The alternator must be run at 1500rpm and produce a constant three phase/single phase 400/231 volt (AC) voltage at 50hz at an efficiency output of least 0.8 p, The automatic transfer switching arrangements in case of the main power supply failure will mainly comprise the automatic mains failure control system for engine protection and lists as follows: 1. 3 x ammeters with ring type c.t, 2. High Engine Temperature (HET) shutdown protection with indicator, 3. 1 x frequency indicator, 4. Low Oil Pressure (LOP) shutdown with indicator, 5. 1 x voltage indicator, 6. Battery charge light with indicator, 7. 1 x hour run indicator, 8. Genset stop/ reset push buttons, 9. Genset selector switches (off/auto/run/test), 10. 1 x battery ammeter, 11. Set of motorized changeover (Electrically & Mechanically interlocked), 12. 1 x battery charger (automatic), 13. 3 pole air circuit breakers with overload & short circuit protection, 14. All panels are manufactured from 1.6mm cold rolled sheet metal, corrosion treated and powder coated to ensure a longer life span, Base frame and fuel tank: 1. Must be all steel fabricated rigid steel base incorporating a 15 hour capacity fuel tank, 2. Fuel filler/strainer/breather cap, drain plug & fuel supply and return lines and fittings must be supplied, 3. Suitably rated anti-vibration mountings must be fitted to absorb vibration, 4. Engine and alternator must directly be coupled by means of high quality flexible disc, Accessories: 1. 1x set of instruction manuals including all circuit diagrams, 2. Recommended service intervals and critical parts to be replaced each service intervals, Weather and sound proof canopy: 1. All steel fabricated from heavy gauge sheet metal, threaded and powder and coated for longer life span, 2. Unit must be designed for interior installation and also vermin proof, 3. Must have a large removable inlet and outlet louver which ensures sufficient cooling of generator, 4. The access doors for purposes of servicing and maintaining of the generator must be hinged, heavy-duty, and lockable, 5. All instrumentation must be made visible through a shatterproof glass hinged door fitted in front of the control panel, 6. The exhaust bellow must be fitted to engine exhaust manifold to absorb any vibration which may cause damage. (EN)

Customer: ONLINE TENDERS

Number: 109017242

Country: South Africa

Source: ONLINE TENDERS

18 mar

Re-advertisement: Mintek herewith requests suitably qualified persons, companies or consortia to bid for the provision of the following: Procurement of a fuel cell test station. Specifications: Fuel cell test station: - 100:1 turndown (max:min flow) on all mass flow controllers (MFC); - 5 NLPM max. humidified anode flow, 4 x MFC: N2, H2, CO, CH4; - 10 NLPM max. humidified cathode flow, 2 x MFC: Air/N2, O2 (automated blending of gases); - 316SS (or higher grade) for all di-water and humidified gas-handling components; - Automatic contact humidification module (up to 90°C dew point); - Automated humidifier bypass with 100% full isolation of humidifier permits delivery of facility-supplied gas directly to stack; - Electric reheat module (up to 110°C inlet gas); - N2 purge rotameters on anode and cathode; activated on e-stop or user command; - Automatic back pressure control module (0-3 barg); - Stack end-plate heater PID controllers, 2 x 2A max (AC mains voltage; 1 phase); - Automated liquid coolant/heating module: 0.15-1.5LPM, 40-90°C, 0-3barg; - Programmable air cooled load bank with dual range operation (10%/100%). Maximum: 650W, 10V, 120A, max. current down to 0.0V at stack (zero volt compensation included); - 5 CVM included; - PC with widescreen flat panel monitor, including control and automation software; - H2 gas detector for test station, E-stop and warning; - Onsite commissioning and face-to-face user training, including onsite expenses. Potentiostat/galvanostat: - Fully integrated; - Cyclic and linear voltammetry; - Automated pneumatic cell/ stack compression control on test station; - Single frequency EIS; - Multi-frequency AC HFR device; - Cell reversal testing capability. The fuel cell test station is required at Mintek’s premises located at number 200 Malibongwe Drive, Strydom Park, Randburg. Location of project site: Gauteng. (EN)

Customer: ONLINE TENDERS

Number: 101480286

Country: South Africa

Source: ONLINE TENDERS

17 jan

Quotations are hereby invited for the following: Supply and install of water purification system at NICD Sandringham Campus. Specifications: - Overall size of unit: Small footprint to occupy a small space on the laboratory workbench; - Dimensions (H) x (W) x (D): 470 x 270 x 340 mm; - Weight (net) of unit: 12-15 kg; - Ergonomic Design: Yes; - Water reservoir included: Yes (~30 litre volume); - Power requirements: 110-230 V; - Electronic voltage SA compliant: Yes; - Feed water: Potable mains water supply; - Tap (feed) water pressure: 0.5-6 bar; - Pre-treatment pack/cartridge: Yes; - System includes a single purification pack: Yes; - Reverse osmosis technology: Yes; - Electrodeionization technology: Yes; - User friendly system with intuitive controls: Yes; - Automatic self-maintenance functions: Yes; - System alerts and alarms: Yes. (EN)

Customer: ONLINE TENDERS

Number: 97958058

Country: South Africa

Source: ONLINE TENDERS

13 dec

Bid proposals are hereby invited from suitably qualified and accredited service providers for the following: Supply and delivery of SMME equipment. Specifications: 1. Grinder 115mm 950w; 2. Steel square tube 32 x 32mm 1.6mm 6.0m purple; 3. Steel square tube 25 x 25mm 1.6mm 6.0m white; 4. Steel square tube 190 x 19mm 1.6mm 6.0m blue; 5. Weld rod 2.5mm 5kg; 6. Steel flat bar 12 x 3mm 6.0 m; 7. Steel angle 25 x 25mm 2.0mm 6.0m green; 8. Brickforce galvanized 75mm x 2.80mm x 20m; 9. Wall mount mains water modified compressor; 10. Black cement 42.5R; 11. BH-Z=11 15CR Hawk 230V wall mount pressure wash; 12. HV 7500m; 13. SABS blocks 6; 14. Rafter (38 x 114) 42m treated; 15. Purlin (50 x 76) 4.8m treated; 16. Blue cement 32.5R; 17. Sandy ready blend (per cube); 18. Galvanized silver sliding gate with razor wire 3000 x3000mm, post and installation in ward 1; 19. Purlin 4.8m untreated; 20. Rafter 4.8m untreated; 21. Iron c/iron 4.8m (o.27-0.3); 22. Door frame pine 3.3 stained; 23. Plain wire 5kg green 3.15mm x 81m; 24. Lintels 6’’ 2.7m; 25. Lintels 6’’ 3.00m; 26. Lintels 6’’ 1.2m; 27. Safety boots - full grain leather, soft and breathable nylon mesh lining, sock lining, durable rubber outsole for traction; 28. Winter bomber jacket- branded and suitable for winter conditions; 29. 1000 x A5 pamphlets (including designs), design to be submitted on 2 gig USB; 30. Wall banner 4500 x 2250mm; 31. Roll up banner 120 x 200cm; 32. Vending point of sale with R500 value airtime or electricity voucher; 33. Std business laptop CPU 13/4GB/HD500GB/BUILD IN 3G/Comb/Lock/Laser etching 3 Yrs on-site warranty; 34. Microsoft office and antivirus (5years); 35. 3 in 1 colour printer (print, copy and scan); 36. 3 in 1 printer black cartridges; 37. 3 in 1 printer colour cartridge; 38. Recycling bags 1000kg; 39. Back-up Generator; 40. Projector (3LCD technology, HDMI cable); 41. Flip chart non-magnetic std 1000 x 640mm, adjustable legs, paper clamp; 42. Flip chart paper (50 sheets); 43. Laminator (up to A3 size and 75-125 micron range); 44. Gloss pouches 80 micron thickness A3 25 pack; 45. Gloss pouches 80 micron thickness A4 25 pack. (EN)

Customer: ONLINE TENDERS

Number: 96148046

Country: South Africa

Source: ONLINE TENDERS

28 nov

Department of Public Works and Infrastructure invites tenders for one year term contract for maintenance and repairs to back up generators in Alfred Nzo Departments. Scope of Work: Major Service: • Carry out “walk around” inspection for oil, fuel and water leaks; • Run the set on “test” for 10 minutes and then switch off engine and return plant selector switch to “off” position; • Drain lubrication oil and replenish with the correct grade of oil; • Change lubrication oil filter elements and fuel filter elements; • Clean out air filter element or replace if necessary; • Check valve clearance and adjust if necessary; • Grease all points as required; • Drain and flush cooling system, refill with clean water and add cooling system conditioner; • Check water jacket heater operation; • Check condition of fuel pipes and hoses; • Check for water build up in the fuel filter trap; • Check the fuel tank drain valve for build-up of water; • Check and adjust to specification battery voltage, charge rate and perform voltage drop test to determine condition of batteries; • Check fan and alternator belt tensions; • Grease fan and alternator bearing; • After running the engine for 5 minutes: 1. Check engine oil level and top up if necessary; 2. Inspect electrical panels; 3. Check electrical and control connections; - Simulate a mains failure: 1. Observe start up, satisfactory operation of transfer switch and load acceptance of generator; 2. Check and record when generator has run for 15 minutes: - Generator output voltage stability; - Generator output frequency and stability; - Engine water temperature; - Engine oil pressure; - Engine fuel pressure; - Charging alternator output; - Check exhausts system for leaks. (EN)

Customer: ONLINE TENDERS

Number: 95048925

Country: South Africa

Source: ONLINE TENDERS

02 oct

Re-Advertisement: Quotations are hereby requested for the following: Service, Repair and maintenance of a 200kva Generator for a period of 1 Year for Cape Town Forensic Chemistry Laboratory (FCL-CPT). Scope: The service shall comprise of the following: - To check the coolant level and top up if necessary; - To grease, oil all moving parts and clean the generator and all its components; - To check oil, water levels, top-up if necessary and check the battery and ensuring all the terminals are tight and clean; - To do performance check for the generator and test the generator at least half an hour (changing over to be done only on approval from the technical and quality manager of Laboratory); - To check automatic starting in full test mode with simulated faults on each mains phase and check the proper working of all parts including the protection devices and fault indicators and changing over equipment and battery charger; - To drain and dispose of unsuitable diesel per 10 litres according to legislation; - To replace the oil, fuel filters and check, cleaning and/or replacing the air filter; - To check the coolant level and top up if necessary; - To check the battery and ensuring all terminals are tight and clean; - Shall test and run the generator for half an hour. (Changing over to be done only on approval from the technical and quality manager of Laboratory); - To check the proper working of all parts including the protection devices and fault indicators and changing over equipment and battery charger. (EN)

Customer: ONLINE TENDERS

Number: 91480417

Country: South Africa

Source: ONLINE TENDERS

08 may

Quotations are hereby invited for the following: Provision of TLB including operator and fuel on an adhoc basis to Bushmans Riviermouth Acro Plant. Scope: - The award will be on an ad-hoc basis; - Response times will not exceed 45 minutes from the call out; - The TLB must include a competent operator used to working in sandy and wet conditions; working close to and on top water mains and electric cables; - The TLB must come with fuel; - A call-out can be anytime within a 24hr day as well as on weekends and public holidays. (EN)

Customer: ONLINE TENDERS

Number: 83767786

Country: South Africa

Source: ONLINE TENDERS

13 apr

Re-advertisement: The Makana Local Municipality invites all experienced and competent suitable Tenderers that are fully equipped to provide the following: Refurbishment of Waainek Bulk Water Supply: Settlers and Howiesonspoort Dam rising mains. (EN)

Customer: ONLINE TENDERS

Number: 82112178

Country: South Africa

Source: ONLINE TENDERS

17 feb

Quotations are hereby invited for the following: Remove the broken kitchen cupboards undercounter geyser and electrical and replace it with the new cupboards. Scope: 1. To strip, disassemble and remove the old and broken kitchen sink cupboards, sink with the mixer and the under sink door x 2; 2. To supply wrapped doors, wrapped 3 ply wood and build the under counter cupboards and the corner cupboard fitted with the super wood doors and the shelves x 2; 3. To supply and install a 19mm top quality quartz stone with half round finishes overlapping the cupboards x 2; 4. To supply and install the under cupboards water heaters/geyser and connect into the existing water pipes to comply with the SABS and connect it into the electrical mains in order to supply the geyser x 2; 5. To supply the heavy duty water mixer and install it into the newly fitted cupboards with water sink with 2 drop in sink with two sides for handling clean/dirty glasses x 2. (EN)

Customer: ONLINE TENDERS

Number: 78071277

Country: South Africa

Source: ONLINE TENDERS

22 nov

UPGRADING OF GRABOUW BULK WATER SERVICES PH 5.2: BULK WATER RISING MAINS. (EN)

Customer: Tender Publication

Number: 74053194

Country: South Africa

Source: Tender Publication

22 nov

Upgrading of Grabouw Bulk Water Services PH 5.2: bulk water rising mains. (EN)

Customer: SA-Tenders

Number: 74053243

Country: South Africa

Source: SA-Tenders

Water mains: South Africa tenders, rfq bids, opportunities and procurement 2024