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


Total: 10
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) add to Favorites
Customer: ONLINE TENDERS

Number: 101480286

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) add to Favorites
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) add to Favorites
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) add to Favorites
Customer: ONLINE TENDERS

Number: 91480417

Country: South Africa

Source: ONLINE TENDERS

22 nov

Number: 74053194

Country: South Africa

Source: Tender Publication

22 nov

Number: 74053243

Country: South Africa

Source: SA-Tenders