on power lines: South Africa tenders, rfq bids, opportunities and procurement 2025


Total: 21
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) add to Favorites
Customer: ONLINE TENDERS

Number: 109017242

Country: South Africa

Source: ONLINE TENDERS

02 apr
Proposals are hereby invited for the appointment of a service provider to provide maintenance, support repairs and ad hoc replacement of the central vacuum system at ATNS Control Tower King Shaka International Airport-Fale for a period of five (5) years. Scope of works; - Monthly and 6 monthly services are required as per the service plan; - Execution and maintenance of the Central Vacuum System service plan; Machines on Ground Level: 3 Main Line: • Line 1:10 inlets; • Line 2: 5 inlets; • Line 3:14 inlets; • 2 Machines on the Tower cab level 14th Floor. Main lines: • Line 1:7 inlet; • Line 2:12 inlet. Monthly service: • Clean filters and report. • Check Inlet valves and report. • Check vacuum pipes and report. • Check vacuum flex pipes and report. • Check each inlet for operation and damage • Clean system filter • Clean system dirt canister • Check for blockages if suction power is out of specifications and clean lines to remove blockages • Check and Report hoses and all accessories replace/ repair hose or accessories. - 6 monthly service: • Clean filters and report; • Check Inlet valves and report; • Check vacuum pipes and report; • Check vacuum flex pipes and report; • Check Motor Brushes and report; • Clean Motors and check dust seals; • Clean system over roll including inlet machines; • All other manufacture recommended maintenance to be carried out; • Check, Clean and Test Suctions points (total) 25. (EN) add to Favorites
Customer: ONLINE TENDERS

Number: 102117380

Country: South Africa

Source: ONLINE TENDERS

05 feb
Quotations are hereby invited for the following: R4 Building Renovations. Scope of work: • Removal of rubble and dump safely at legal dump site; • Deep cleaning offices and bathrooms; • Renovation of toilets - install new systems - minimum low-end specification • Installation of bathroom tiles; • Upgrade sewer lines from inside the building up to manhole from the building outside; • Painting of walls; • Refitting of doors; • Refit ceiling; • Refit lighting and upgrade DB boxes and issue COC; • Install new air conditioners (split units). Doors: a. Single door 800mm x 2100mmm wooden door (Similar to Dortello SHA1001) 1 Panel Shaker Door - White (813 x 2032 x 40mm); b. 3 Lever Door handles set. Paint specifications: a. Floor: Epoxy floor paint (equivalent to RX-TOUGHSEAL UVC); b. Wall: (similar to Duram Armatex Fine Textured Wall Paint) - Champagne (20L). Staircase paint: a. Black Epoxy paint for stairs (equivalent to abecote® 337 tough epoxy paint). Ceiling: a. Ceiling tiles (9 mm x 600 mm x 600 mm); b. Colour - white. Toilets: a. Toilet seat; b. Basin. Lights: a. 600 x 600 LED panel fittings for offices: - Power: 40W, Lumen: 3000lm, Colour: 4000K (Cool White) or 6000k (Daylight), RA: > 80, PF: > 0,93, Input Voltage: 85 - 285V AC, Expected Lifetime: 30000 Hours, Width / Diameter: 600mm x 600mm; b. 5ft LED fittings – for passages and bathrooms: - 5ft Tri-Proof Fixture for 2xT8 LED Tubes IP65. Please note that this quotation was published late. (EN) add to Favorites
Customer: ONLINE TENDERS

Number: 99034334

Country: South Africa

Source: ONLINE TENDERS

17 oct
Eskom Holdings SOC Ltd (hereinafter “Eskom”) invites you to submit a tender for the following: Provision of boiler washing, unblocking and vacuuming for a period of 36 months at Camden Power Station. Scope of works: Cleaning - vacuuming: • Evaporator bottom dead space (front and rear); • Top nose dead space; • Penthouse dead space; • Boiler house rooftop (52m level); • Explosion damper vacuuming; • Steam drum cleaning after stripping internal components; • Air heater trench vacuuming; • Air heater vacuuming; • Mill internal vacuuming; • Mill gearbox cleaning and vacuuming. Cleaning - high pressure washing: • Boiler ash hopper tubes; • Evaporator dead space (front and rear); • Full boiler Furness i.e., evaporator walls, roof tubes, super heater 3 and 4 elements superheater 1 and 2 elements; • Top nose dead space; • Economiser top and bottom bank elements; • Unblocking and high-pressure cleaning of the Economizer hopper; • High Pressure cleaning or removal of ash build-ups on boiler tubing; • Boiler washing on the ash box sealing trough; • Boiler drain and impulse lines. Air heater vacuuming and cleaning: a) Vacuum all the ash out of air heater casings and duct areas adjacent to the air heater; b) Wash the ducts and air heater casing with low pressure jet to eliminate the ash – allow water to drain by opening drainage system before washing; c) Vacuuming and cleaning of ash on the air heater crossover ducts. Pf pipes vacuuming: a) Vacuum all debris that are blocking the Pf pipes; b) Vacuuming of ash and debris inside the mill. FFP Hoppers; a) Unblocking and removing of clinkers in FFP hoppers using high pressure machine with water use of high-pressure machine only to be used if unblocking by poking has failed; b) Hoppers will only be considered unblocked if clinkers are completely removed. (not just ash flowing). Modification of the nozzle might be necessary to enable unblocking without removal of square to rounds but this will be advised once / if finalized. Vacuuming of FFP ducting: a) Removal of ash / dust from FFP ducting by vacuum cleaning; b) Removal of ash / dust from inside FFP Cells (on tube plates and ducting where bags are located). PF burners and wind box cleaning: a) Vacuuming and cleaning of ash / dust from within each wind box row. 5 rows per unit, PF/dust may be hot (>40° Celsius); b) Vacuuming /cleaning of dust from wind box damper shaft mountings on wind box rear (4 areas per set of wind box damper vanes – 40 areas per unit); c) Vacuuming of wind box roof of PF/dust. This dust may be hot (>40° Celsius) - External vacuuming; d) Vacuuming of individuals PF burners (if not catered for under PF pipes). Equipment: a) High Pressure washing machine that has a minimum output pressure of 1000 bar. b) Vacuuming truck must be supplied and operate with: i. Minimum of 1000 bars suction pressure; ii. The capacity of the collectors body tank must have minimum of 10 000L; iii. The tank must be designed to handle minimum temperature of 40° Celsius; c) Fittings and pipework to handle minimum temperature and pressure; d) Cleaning or housekeeping material. (EN) add to Favorites
Customer: ONLINE TENDERS

Number: 92666014

Country: South Africa

Source: ONLINE TENDERS

17 apr
Re-Advertisement: Bids are hereby invited for the appointment of land surveying services for a period of thirty six months (36 months) on as and when required. The following services will be required from the appointed Land Surveyor: Undertaking preparatory work by: - Reviewing existing relevant documentation / information if any (collection of data); - Visiting the site to obtain survey information; - Liaising with the municipal officials and the Project Manager on a continuous basis throughout the duration of the project (progress reports); - Providing Planning and Local Economic Development with a schedule of actions, payment schedule and a time frame as and when requested by the municipality; - Attending Project Steering Committee meetings (monthly), as well as other meetings during which input from the Land Surveyor is required; - Depose affidavits and appear in court when required and such will be claimed as disbursement in accordance with the rate per hour; - Undertake physical features affecting rights to ownership; - Produce and submit a detailed topographical plan indicating permanent, survey reports, semi-permanent structures, pipelines, power lines, servitudes, spot shots and all other features that will enhance proper planning with contours as stipulated in the Land Survey Act 8 of 1997, Geomatics Profession Act 19 of 2013, Ordinance 15 of 1986, Proclamation R45 Act of 1990 and Proclamation of R293, Spatial Planning and Land Use Management Act & its Regulations and Lepelle-Nkumpi SPLUMA By-Law 2017; - Submit the produced topographical plan and survey reports as and when required by the Municipality; - Collect an approved Layout Plan from the Municipality; - Prepare a General Plan in accordance with the approved Layout Plan; - Peg the area according to the prepared draft general plan and whitewash the beacons. (EN) add to Favorites
Customer: ONLINE TENDERS

Number: 82373496

Country: South Africa

Source: ONLINE TENDERS

18 jan

Number: 75867429

Country: South Africa

Source: SA-Tenders