su lavori elettrici - South Africa. Gare, acquisti, aste per tag e argomenti su TenderInfo.org 2024

16 may

Eskom Holdings SOC Ltd (hereinafter “Eskom”) invites you to submit a tender for the following: Inspection and repairs of ducting on units 1, 2, 4, 5 and 6 during planned outages for Duvha Power Station. The scope of modification is as follows: • Full inspection and submit report; • Grease bearings and ball joints on links; • Remove bearing stuffing box cover, clean shaft, repack & box up bearing stuffing box; • Fit new packing on all ducting inspection doors; • Replace flue gas damper doors, shafts, shaft pins, frames, divisional plates, bottom supports, 30mm square bars, 80 x 6mm seals on doors, bearings, links including mechanical settings after replacements. Doors to be collected from the stores by the contractor; • Replace all 30mm square bar sealing strips on flue gas damper; • Replace all 80 x 6mm seals on the flue gas damper doors; • Mechanical, electrical stroke checking and settings of all dampers; • Clean all debris and ash pile up within the ducting including FD fan intake screens using plastic bags; • Cut access Holes and install handrails around the holes 2500 x 1500 meters, replace after completion of internal work; • Open access doors; • Replace 6mm - 10mm thick eroded plate by welding new; • Replace 12mm - 16mm thick eroded plate by welding new; • Repair grease pipes & nipples; • Close access doors; • Vertical weld repairs on 6 - 10mm plate; • Vertical weld repairs on 12 - 16mm plate; • Horizontal weld repairs on 6 - 10mm plate; • Horizontal weld repairs on 12 - 16mm plate; • Replace bearings; • Replace 80 x 80mm angle iron Stiffeners; • Replace 100 x 50mm channels in front of doors, position of channel to be in line with 100% open door position; • Replace 100, 120, 250, 300mm x 6mm protection plates; • Replace 80Nb stays with 100 x 10mm protection (protection plate), Unit 1, 2, 4, 5 and 6 vanes: • Replace 1650 x 520 x 6mm deflector vanes and 1650 x 25 x 10mm flat bar protection (Top); • Replace 1500 x 260 x 6mm deflector vanes (middle); • Replace 1645 x 480 x 6mm deflector vanes (bottom); • Replace 1650 x 25 x 10mm deflector vanes (top). Economiser outlet to A/H inlet: • Replace 6mm-10mm thick eroded plate by welding new; • Replace 10mm-16mm thick eroded plate by welding new; • To fit 196 50mm socket and plugs; • Deflector plate 1200 x 2500mm; • Repair 25 x 10mm Dividing walls protection; • Replace round bar on ducting access ladders; • Remove and replace 16mm, 25mm round stainless steel thermocouples pockets with protection; • Replace 80 x 6mm seals on the flue gas damper; • Replace 35mm square bar sealing strips on the flue gas dampers; • Fit new packing; • Cut and replace 60 x 6mm wide expansion joint sections; • Attach chains and damps to hanger rods; • Replace cell inlet damper stainless steel seals; • Replace cell inlet damper 40 x 40 x 6mm angle iron; • Replace 120 x 75mm round shaft on the flue gas damper. (EN)

Scadenza per le domande in : 38 giorni
Cliente: ONLINE TENDERS

Numero: 104488295

Nazione: South Africa

Fonte: ONLINE TENDERS

16 may

Tenders/proposals are hereby invited for the following: Calibration of test equipment for Electrical Maintenance Department at Medupi Power Station for a period of 5 years. Scope of Work: The service provider shall perform full functional and calibration tests on the following testing equipment in accordance with the requirements of the Original Equipment Manufacturer specifications: • 3 Phase Rotation Detector; • PHEH 6.6 22 SN7197 767 721/S HV Tester; • AC Current Clamp; • Fluke 1587 Insulation Multimeter; • Fluke Infrared Thermometer 62max+; • Fluke 177 True RMS Multimeter; • EMF-810 Microwave Leakage Detector; • Polarity/ELCB Testers; • Fluke 1587FC Insulation Multimeter; • Fluke 789 Multimeter; • 3 Phase industrial socket tester; • Megger MIT 525 5kv; • Megger MIT 525 15kv; • Torque Wrench; • Digital Vernier; • Fluke Thermal Imager; • Top Tronic TEL11 Digital; • Industrial ELCB Phase; • Rotation Tester; • Fluke 435 Power Quality and Energy Analyser; • Cable fault locator. (EN)

Scadenza per le domande in : 24 giorni
Cliente: ONLINE TENDERS

Numero: 104488298

Nazione: South Africa

Fonte: ONLINE TENDERS

08 may

Quotations are hereby invited for the following: Provision of hire 12 x 3m park home for 8 months. The purpose of the scope of work is to source a bidder to render a services of leased ten (12) x 12m x 3m park home at Transnet Port Terminals Pier 1 & 2 Container Terminal for the period of eight (8) months. The service shall include: • Provision of park home as per specification; • Maintenance and repairs of park home for the duration of the contract; • Provision and installation of all required spared during repairs and maintenance for the duration of the contract. Estimated measurement: • Park home size 12m x 3m park homes. Material to be used (but not limited to service provider’s advice as a subject matter expects): • Wall: Chromadek wall painted in white; • Flooring: Normal industrial flooring; • 2 x Door Chromadek; • 2 x windows (sliding) (900 x 1200) with tinted and 3 vertical blinds; • 1 x Light switch; • 3 x Single fluorescent tube; • Skirting for electric wires; • 2 x single plug (two each side); • 220 DB board; • COC certificate for park homes electrical connection (by competent person); • 1 x isolated air conditioner; • 2 x step; • 2 door cupboard with one sink basin; • 1 x 10L hydroboil; • 1 x Serviced fire extinguisher with the signage (each park home); • 1 x Sanitizer dispenser (each parkhome); • Exit signage (each park home) requirements. Location of service: DCT Pier 2. Please note that this quotation was published late. (EN)

Cliente: ONLINE TENDERS

Numero: 104103975

Nazione: South Africa

Fonte: ONLINE TENDERS

08 may

Bids are hereby invited for the following: Supply and install new hot water gas geysers and gas cylinders at Uilenkaalsmond Resort. Specifications: 1. The existing walls around the diesel tank to be removed. Two walls to be built: 8m long, 1.8m high, and 230mm wide – situated on the corners in the boiler room. A solid floor raised 5cm to be laid. A non-flammable roof fitted over. The electrical cable on the wall to be moved out the gas cage; 2. 3 x 1m lockable security gates to be installed to protect the gas cylinders; 3. Plumber to provide sufficient cold water to both geysers and isolate hot water pipe to the men’s and ladies’ ablution facilities. Men’s geyser installed in boiler room. Ladies’ geyser in the ladies disabled toilet, in a lockable box; 4. Provide an emergency backup power inverter to power both geysers for at least four hours. Connect power from the inverter to both geysers; 5. Replace block 1 and block 2 boiler room doors with secure louvered aluminum doors; 6. Repair boiler room roof, clean and paint room; 7. Provide 3 x 3 stainless steel manifold, HP auto changeover regulator, two high demand low pressure regulators, 20m pex pipe, valves and connectors as required to connect two geysers; 8. Provide 2 x 28L Class C internal gas water heaters; 9. Provide 6 x 48kg gas cylinders filled with LPG; 10. Have a fire plan drawing prepared for approval by the fire department before commencement of work; 11. Provide fire extinguisher required for gas fires and protective cover; 12. Display all relevant signs as required; 13. Issue a certificate of compliance on completion of work. (EN)

Scadenza per le domande in : 5 giorni
Cliente: ONLINE TENDERS

Numero: 104108283

Nazione: South Africa

Fonte: ONLINE TENDERS

30 apr

Re-advertisement: Quotations are hereby invited for the following: Supply, delivery, installation and commission of laundry equipment and accessories, Quantity: 02 units. Scope: - Electrical installation; - Mechanical installation; - Plumbing work Required at: KEH. Institution Name: King Edward VIII Hospital. Province: KwaZulu-Natal. Department: Department of Health. Division or Section: Central Supply Chain Management. (EN)

Cliente: ONLINE TENDERS

Numero: 103747188

Nazione: South Africa

Fonte: ONLINE TENDERS

26 apr

Quotations are hereby invited for the appointment of a service provider for the service and repair of air conditioners at Tankwa Karoo National Park for period of 3 (three) years. Scope of Work: • Check all air filters, Replace if damage. Report to client first on the damage air filters and provide proof of number of air filters to be replace; • Spray inside filter and condenser unit with Bacterial and Gem killer spray; • Clean evaporator and condenser coils: evaporator filter, condenser coil, condensate drain, evaporator and condenser unit covers are cleaned; • Inspect drain line and drain pan: clean condensate/Drain pans, pump and drain, remove debris; • Blower and condenser fan: Inspect fan blades, replace if damaged, clean fan barrels, check and lubricate fan bearings; • Ensure that condensed water runs to the outside of the room; • Check thermostat: Test for proper operation, calibrate and level; • Inspect electrical wiring and controls: Tighten and secure any loose connections; • Inspect and clean air registers and duct work; • Provide written service report on all units; • Check Gas pressure: fill up when needed; • Clean exterior condenser of units using suitable detergent; • Check and run air con system fully for air temp + Pressure (if unit does not operate fully, then provide written report as to why unit needs to be repair/replaced); • Replacement of damage remotes. (EN)

Cliente: ONLINE TENDERS

Numero: 103549968

Nazione: South Africa

Fonte: ONLINE TENDERS

23 apr

Tenders are hereby invited for the following: Appointment of a contractor for the supply, installation and upgrades of laboratory extraction and BMS systems for the Council for Geoscience in Silverton, Pretoria. Scope: The contract includes the supply, delivery, installation, commissioning, guarantee and maintenance of the new, refurbished and upgraded Laboratory extraction and BMS systems, including the required plumbing, electrical and builders work, designed to serve the Council of Geoscience Block D, Silverton, Pretoria. (EN)

Scadenza per le domande in : 6 giorni
Cliente: ONLINE TENDERS

Numero: 103339341

Nazione: South Africa

Fonte: ONLINE TENDERS

20 apr

Proposals are hereby requested for the appointment of an as and when contractor for the servicing and repairing of freshwater and sewer pumps in the KZN Region for a period of 36 months. Scope of work: Planned work referred to herein will include, but is not limited to: • Check correct operation of float switches, • Record the current of the pump, • Check shaft glands for excessive or insufficient leakage or check mechanical seals for leakage, • Check for undue noise or excessive vibration, • Clean drip trays, • Remove Pump from sump, • Check cable and cable entry for any damage, • Check oil level, • Check for moisture or water in motor, • Check rubber hose, • Check release coupling rubber, • Check safety chain and shackles, • Check operation of pump in manual and Automatic, • Check all electrical connections in pump panel, • Visually check pump alignmen, • Inspect coupling for excessive wear, • Inspect motor mountings and vibration pads. Replace and adjust as required, • Tighten all nuts and bolts, • Check and clean strainers, • Operate and check hand valves, • Inspect electrical connections and contactors, • Check motor operating conditions, • Clean, treat against corrosion and repaint all corroded or damaged external surfaces. (EN)

Scadenza per le domande in : 3 giorni
Cliente: ONLINE TENDERS

Numero: 103215965

Nazione: South Africa

Fonte: ONLINE TENDERS

19 apr

The North-West University invites all specialist contractors to submit tenders for the following project on the Mahikeng Campus: Refurbishment and relocation of disability unit to Building A1, Mahikeng Campus. Work entails: the alteration and upgrading of the existing office for the Disability Unit, including new floor covering, paintwork, new suspended ceilings, carpentry work, loose furniture and upgrading of electrical and mechanical services. (EN)

Scadenza per le domande in : 6 giorni
Cliente: ONLINE TENDERS

Numero: 103095131

Nazione: South Africa

Fonte: ONLINE TENDERS

13 apr

Transnet National Ports Authority Port Elizabeth invites tenders for the provision of electrical and maintenance services at the Port of Port Elizabeth for a period of 3 (three) years, as and when required. Scope of work includes but not limited to: - MV and LV switchgear: • Inspection, service, and repairs of circuit breakers. Replacement of MV circuit breaker is excluded; • Inspection, repair, supply and replacement of metering equipment; • Inspection, service and repairs of the bus couplers and associated equipment that will exclude the replacement of bus couplers and associated equipment; • Fault finding and repairs on the substation equipment; • Supply and install LV Protection equipment and circuit breakers; - Inspection, repairs, and servicing of MV and LV protection equipment. Replacement of MV protection equipment is excluded; - Supply and install LV Protection equipment and circuit breakers. Distribution cables: • Supply and installation of piping sleeves required; • Supply, excavation and installation of underground cables and cable sleeves. Protection of the existing underground cables and cable sleeves; • Testing and fault finding on all cables; • Repairs and joining of all cables; • Fault finding, issuing of certificates of compliance and reporting of electrical installation conditions for buildings around the Port; • Generators servicing and repairs. Supplying and installing new generators is excluded; • Generator hire will be limited to 30 days in a year from the contractor; • Checking and maintain of all earthing system to ensure impedance is within limits (Maximum 7 OHMS) this will include common earth, earth spikes and earth mat, panel earthing integrity, cable earths on end boxes; • Any work to be done on the large floor-mounted switchboard in substations, mounted switchboard in brick kiosks, glass fibre kiosks and wall-mounted switchboard must be approved by a TNPA Senior Electrical Engineer or Electrical Engineer; • Inspection, service, repairs, and replacement of substation extractor fans of a same extractor fans; • Inspection, service, and repairs to sewage pumps. Replacement of the sewerage pump is excluded. • Inspect, service and repair portable electrical equipment (1200 ton high mast winches/power tools/Battery operated tools/test equipment); • Supply and install distribution board in all TNPA buildings. (EN)

Cliente: ONLINE TENDERS

Numero: 102806175

Nazione: South Africa

Fonte: ONLINE TENDERS

09 apr

Quotations are hereby invited for the following: Major service and 36-month statutory inspection of Boiler 2 (John Thompson coal-fired steam boiler) as well as ancillary equipment neglected in the boiler house: Specifications: • Strip the boiler as required for external and internal inspection, • Chemical clean of water side (acid wash), • HP cleaning of tubes, as required, • Sand blasting of tubes & shell, as required, • Service/repair of stoker mat and stoker drive, • Service of all valves, including test certificates for safety valves, • Calibration of pressure gauges, • Refurbishment of gauge glass assembly, cocks, and Mabrey level controls, • Refurbish the FD fan, and ID fan (replace all belts and bearings), • Replacement of guillotine door, and cables, • Replace ignition arch, side seals, etc, • Rebuild the ash wall, • Refurbish 2 x Grundfos feed pumps, • Clean out the electrical panel, • Prepare the boiler for 3-year statutory inspection, • Provide a certified AIA inspection authority to conduct a complete statutory inspection, including pressure test in accordance with the PER 36-month inspection requirements, • Reassemble the boiler, including all new gaskets, lagging and stainless-steel cladding, and refractory brickwork, • Re-commission the boiler and test all safety functions, • Provide a hardcopy inspection book including all test certificates, service records, and certificate of continuance, • Compressor hire must be provided by the contractor, as there is no compressed air supply available in the boiler house, • Any scaffold hire, scaffold erection & inspection must be provided by the contractor, • Replace grit collector, • Replace ash trolley for grit collector, • Replace impellor on ID fan, • Install a Shut of valve on main steam line to factory, • Replace condensate line and replace condensate pumps, from EA to hot well, • Install meter at discharge on hot well, • Overhaul suit blower for boiler no 1 & 2, • Provide project plan and time frame. A standard Safety File must be submitted in hardcopy prior to any work commencing on site. (EN)

Cliente: ONLINE TENDERS

Numero: 102531312

Nazione: South Africa

Fonte: ONLINE TENDERS

09 apr

Re-Advertisement of Contract Number B136/2023/24: Quotations are hereby invited for the following: Preparation and Diesel Mechanic Trade Test. Scope of work: Course objective: The Trade Test should cover the following: - Safety; - Knowledge of Hand and workshop tools; - Brazing, soldering and welding; - Drawings; - Power unit; - Systems; - Electrical principles; - Clutches; - Gearboxes; - Drive shafts; - Final drive; - Wheel and tyres; - Suspension and steering systems; - Steering geometry; - Brakes; - Lubrication servicing; - Cooling systems; - Engine tuning; - Replacement and service components; - Towing and recovery of vehicles; - Sketches and diagrams; - Advanced practical training: engine units-overhauling and fitting of parts; - Inspection and assessment of wear; - Assessment of wear and overhauling of systems and units; - Reset of steering geometry; - Testing equipment and gauges; - Major service; - Revision and independent work. The preparation must be completed in 5 days and Trade test must be completed in 2 days. Please note that this quotation was published late. (EN)

Cliente: ONLINE TENDERS

Numero: 102531314

Nazione: South Africa

Fonte: ONLINE TENDERS

09 apr

The North-West University invites all specialist contractors with the relevant skills, experience, and resources to submit tenders for the following project on the Potchefstroom Campus: Construction, refurbishment and upgrade for strategic management information and student systems, Building E10, Potchefstroom Campus. Work entails: Refurbishment of existing offices including replacing of ceilings, refurbishment of floors, replacement of existing doors with new aluminium doors, upgrading of ablution facilities, upgrading of electrical and mechanical installations. (EN)

Cliente: ONLINE TENDERS

Numero: 102531317

Nazione: South Africa

Fonte: ONLINE TENDERS

02 apr

Quotations are hereby invited for the following: Supply and deliver mobile toilets. The scope of work measured in this tender document in broad terms comprises of the following: General building, electrical, glazing, plumbing, carpentry, civil, mechanical, fire systems etc. The anticipated contract period is two (2) months but the contractor must indicate and plan on the period he anticipates to complete all work. Specifications: Supply and deliver mobile 2.5 x 1.5m mobile VIP toilets with insulated panels structured on a single axle to carry 1500kgs with solar lights fitted on the inside and outside for male and female using ceramic toilet bowls fully flushable with plastic hand basins inclusive of foot pumps and all accessories. Department: FM. (EN)

Cliente: ONLINE TENDERS

Numero: 102134879

Nazione: South Africa

Fonte: ONLINE TENDERS

15 mar

THE APPOINTMENT TO DESIGN, BUILD, SUPPLY, INSTALL AND COMMISION THE ELECTRICAL CONTROL SYSTEMS FOR 2 X ADIRA GUILLOTINES (ADIRA SHEAR MODEL: GVS-2080 AND ADIRA SHEAR MODEL: GHS-1330 MEO079503) TO MAKE THEM WORK AS PER ORIGINAL DESIGNS AT TRANSNET ENGINEERING DURBAN. (EN)

Cliente: SA-Tenders

Numero: 101358770

Nazione: South Africa

Fonte: SA-Tenders

09 mar

Addendum: Extension of Closing Date: Proposals are hereby invited for the appointment of a panel of professional service providers, built environment, for a period of 2 years. Scope of work: A. Project manager; B. Architects (include space planner and interior design); C. Quantity surveyors; D. Electrical & electronic engineers; E. Mechanical & wet services engineers; F. Civil engineers; G. Structural engineers; H. Fire engineers; I. Geo-technology; J. Land surveying; K. OHS consultant; L. Heritage services; M. Furniture and equipment specialists; N. Information technology; O. Landscaping services. (EN)

Cliente: ONLINE TENDERS

Numero: 101012399

Nazione: South Africa

Fonte: ONLINE TENDERS

09 mar

Quotations are hereby invited for the following: Computer lab renovation at Room AA 0315C, Block A, 3rd floor, ML Sultan. Introduction: The Durban University of Technology (DUT) requires services of a suitably qualified general contractor to renovate computer lab as per scope of work provided. DUT assessed the computer lab at block A 3rd floor ML Sultan Campus. The Lab was found to have defects and require renovations. Scope of work: • Demolition, • Repairs to Ceiling, • Replacement of electrical items, • Installation of new kitchen and plumbing work, • Replacement of flooring, • Replacement of Air conditioning, • Replacement of doors and windows. (EN)

Cliente: ONLINE TENDERS

Numero: 101016027

Nazione: South Africa

Fonte: ONLINE TENDERS

06 mar

The North-West University invites all specialist contractors with the relevant skills, experience, and resources to submit tenders for the following project on the Potchefstroom Campus: Refurbishment of JS Van Der Merwe Building, Building E6, Potchefstroom Campus. Work entails: Alteration, masonry, plumbing, carpentry and joinery, floor coverings, wall finishes, waterproofing, painting, external works, mechanical, gas and electrical. (EN)

Cliente: ONLINE TENDERS

Numero: 100837307

Nazione: South Africa

Fonte: ONLINE TENDERS

01 mar

The City of uMhlathuze requests quotations for the following: Supply and deliver steam bath, qty: 2. Proposed scope of work: To supply 12 place steam bath according to specifications. Specifications: - Easily replaceable high quality heating element for long and reliable use, - Manual safety thermostat to protect the element should the bath boils dry, - Simple device for automatic control of water level, - Flask openings 31mm, 50mm, 70mm and 80mm diameter, - Heat resistant, safe to touch lid knobs, - Automatic control of water level, - Heat resistant, safe to touch lid knobs, - Electrical connection: 230V 50hz, - Voltage V/hz: 230/50, - Power W: 2000, - Mass (kg): 7, - External dimensions WxHxD (mm): 530 x 110 x 405, - Number of stations: 12. (EN)

Cliente: ONLINE TENDERS

Numero: 100538121

Nazione: South Africa

Fonte: ONLINE TENDERS

27 feb

Quotations are hereby invited for the appointment of a prospective service provider for the supply and installation of swing gate motors’ for two gates for the South African National Biodiversity Institute (SANBI) at the boom gate vehicle entrance and gate sensors at the visitors parking entrance in the Pretoria National Botanical Garden (PNBG). Scope of work: • Supply and install i5 infrared beams with boast operating range of up to 40m for D5 motor gate; • Swing gate motors vintage double 500 operator kit: inclusive of operator, mounting hardware, controller, wall box, 2A SM charger, 7Ah battery, main insulator, Light-Emitting Diode (LED) external indicator board and 2 x 4 button Nova TX; • Supply and installation of Two stand-alone steel stands alone steel stands to house and mount swing mechanism; • Supply and installation of suffix electrical cable 4mm x 150m; • Supply Emerald green quick dry paint 5L and paint the metal frames; • Supply black quick dry paint 5L and paint the metal frames; • Supply and install a 20mm HDPE sleeve for the suffix cable. (EN)

Cliente: ONLINE TENDERS

Numero: 100350407

Nazione: South Africa

Fonte: ONLINE TENDERS

su lavori elettrici: South Africa appalti, appalti pubblici 2024