on welding work - South Africa: tenders. rfq, rfp. Public and goverment procurement information and competitive bids. 2025

12 dec

Re-Advertisement: Quotations are hereby invited for the provision for mobile air compressor repairs at MHA workshop, Richards Bay. Scope of work: Repairing mobile air compressor will include: • Inspect and seal 2 x leaking inspection holes; • Remove welding on inspection hole and replace with correct sealing plate with locking mechanism; • Replace compressor leaking flexi pipe; • Carry out pressure test on a pressure receiver tank and issue pressure test certificate valid for 24 months. • Carry out inspection and calibration on the pressure gauge with serial number: S032511 or replace it with new if found faulty and issue calibration certificate valid for 12 months; • Carry out inspection and calibration on the pressure relief valve with serial number: S0325-2 or replace with new one if found faulty and issue calibration certificate valid for 12 months; • Carry out inspection start/switch off electric control panel for proper function; • Replace 2 x worn drive belts; • Replace faulty 3 phase electric drive motor; • Carry out inspection and service on electric drive motor and ensure proper functionality; - Carry out full service on a compressor: • Replace oil with correct OEM oil; • Replace oil filter as per OEM; • Replace oil level side glass. Please note that this quotation was published late. (EN)

Customer: ONLINE TENDERS

Number: 115837317

Country: South Africa

Source: ONLINE TENDERS

25 nov

Quotations are hereby invited for pipe work fabrication and installation of pipe work and motor pump. Specifications: - Fabrication of pipe work to suit with the welding NDT Certification; - Installation of motor to pump; - Supply and installation of F160 coupling complete; - Laser Alignment; - Fabrication and installation of the coupling guard; - Commissioning and Handover. (EN)

Customer: ONLINE TENDERS

Number: 114745655

Country: South Africa

Source: ONLINE TENDERS

02 nov

Cheap Custom Wear-resistant Leather Hand Protective Safety Work Welding Gloves for Men (EN)

Number: 113400567

Country: South Africa

Source: RFQ

30 oct

leather work gloves Canadian Rigger Welding Gloves Cow Split Leather Working Safety Gloves (EN)

Number: 113178155

Country: South Africa

Source: RFQ

25 oct

Quotations are hereby invited for electrical COC assessment and issuance at SFF Saldanha Building. Scope of Work: All building electrical wiring and Distribution Boards (DB"s) to be assessed: - Admin Building: 1. DB 1: 3 phase 60A (upstairs); 2. DB 2: 3 phase 150A (main DB); 3. DB 4: Single phase 63A (MMC); - DB 6: 3 phase 60A (Mechanical Workshop); - Welding Workshop: 1. DB 6: 3 phase 100A; - Training Centre Building: 1. 3 phase 100A; - Security Building: 1. DB 11: 3 phase 250A; 2. LT Main: 3 phase 320A Objectives: To assess the electrical installations at various buildings in the SFF Saldanha facility and issue a Certificate of Compliance (COC). If any of the buildings do not qualify for a COC, the supplier is required to provide a detailed report with recommendations for necessary corrective actions. (EN)

Customer: ONLINE TENDERS

Number: 112911168

Country: South Africa

Source: ONLINE TENDERS

04 sep

Re-advertisement: Quotations are hereby invited for the following: Supply of promotional goods. Specifications: - Weather polyester/PVC rain suit, qty: 200; - Chelsea safety boots-NRCS-STC-black, qty: 200; - Work gloves power rib plus grey, qty: 200; - Reflectors, qty: 200; - Helmet hard hats, qty: 200; - Front flip standard welding, qty: 200; - Helmet black, qty: 200; - Shift single lined freezer, qty: 200; - Jackets, qty: 200; - Round neck t shirts, qty: 200; - Face mask white, qty: 200; - Two-piece navy blue conti-suit, qty: 200. Please note that this quotation was published late. (EN)

Customer: ONLINE TENDERS

Number: 110319442

Country: South Africa

Source: ONLINE TENDERS

22 jul

American style Waterproof Mining Welding Safety Shoes Work boots Online Shopping C S A Work Safety ... (EN)

Number: 107856473

Country: South Africa

Source: RFQ

27 jun

Extension of closing date: Eskom Holdings SOC Ltd (hereinafter “Eskom”) invites you to submit a tender for the following: Collection, dismantling, assessment, repair, rewind, overhaul, assembly, painting, testing and delivery of low voltage electrical motors as and when required at Hendrina Power Station for a period of 5 years. Scope of work: Assessment will include: • Stripping the motor; • Washing all parts; • Mechanical assessment; • Electrical assessment; • Assessment report. Rewind will include: • A burn out of windings in stator; • Core test; • Painting of core with rust protection paint; • Insulation kit for winding (class H); • Manufacture of coils copper wire; • Supply leads for windings; • Varnishing the stators with Isonel 31 – Isonel no longer used replaced by Fixotropic; • Baking the varnish at 180 degrees; • Cleaning the stator core before assembly. Overhaul will include: • 2 (two) new bearings; • Balancing of rotor; • Replace broken cooling fan if needed – to be on additional part; • Replace connector block if damaged or as been requested; • Replace connection box if damaged or as been requested; • Replace end shields if damaged or as been requested; • Assembly of motor; • Electrical and mechanical testing of the motor (no load); • Painting of motor; ? Delivery back to Employer’s site. Additional work: • Micro welding; • Shaft straightening; • Machining of new feet; • Taping and replacing of bolts; • Repairing of shaft extensions; • Skimming of rotor core; • Skimming of stator feet (all 2 poles); • Repair of stator core. (EN)

Customer: ONLINE TENDERS

Number: 106626347

Country: South Africa

Source: ONLINE TENDERS

16 jun

safety shoes for welding,welding safety boots shoes,leather boot steel toe work safety shoes for men (EN)

Number: 106031107

Country: South Africa

Source: RFQ

13 jun

Quotations are hereby invited for the following: Supply, delivery, installation, testing and commissioning of 11 kV equipment between Pretoria and Saulsville. Specifications: Aerial Bundled Conductors (ABC): • Aerial Bundled Conductors (ABC) shall be supplied and installed under bridges. The supplied ABC shall be 12 kV rated to SABS 1339 (adapted) with a minimum cross-sectional area of 70 mm². ABC – 70 mm2 3-core (6.6/11 kV), ABC cable with PVC served galvanized steel wire catenary; • Double back guides shall be installed on both sides of the bridges - one to support the ABC and the other to support the phases. Earthing, Bonding and Surge Suppression: • Before any welding connection, the surface (s) shall be thoroughly prepared as per detailed instructions to ensure a strong and continuous bond. The galvanizing of the structures shall be removed with a grinder, and the surface where the exothermic weld is to be performed should be thoroughly cleaned; • The area where the galvanizing was removed shall be treated with zinc spraying, hot – patch soldering or coated with zinc-rich paint complying with the requirements of SABS 920; • All welded joints shall be “hammer tested” to ensure that the mechanical strength of the joints is sound. Welded joints shall also be painted; • PRASA’s Technical Officer shall inspect and approve the work before any Grading Ring is covered by soil; • Rail continuity Bonds – All joints in the rail shall be bonded with 4 x 96 mm² PVC sheeted steel cables. The continuity bonds shall be bolted to the web of the rail using the expanding collar system. The ends of the bonds shall have lugs crimped to it, which shall then be fastened to the rail using the expanding collar system; • Cross bonds – are applied between various tracks that share the return current. It consists of a 96 mm² PVC sheeted composite bond that is fastened to the web of the rail using the expanding collar system. Cross bonds shall be provided at intervals not exceeding 500 m; • Mast to rail bonds – shall exist in spacing not exceeding 350 m (5 spans). They shall consist of a 2 x 96 mm² PVC sheeted bond that is fastened with WAM Stud and Lug to the mast and fastened to the web of the rail using the expanding collar system. The end bolted to the rail shall have a lug crimped to it, which shall be fastened to the rail with a WAM stud. Where no earth wire is connected to the mast, 4 Mast to rail bonds shall be provided; • Switch Structure – shall be provided with double mast to rail bonds of 96 mm² PVC sheath steel cable; • The bridges may not be connected directly to the “traction earth wire” or to “rail” but shall be connected to rail via spark gap at 2 separate positions. Furthermore, the “dead” side of the 3kV DC insulators shall be insulated from the structure either by means of an additional disc insulator or insulating pads, bushes or washers between the insulator support bracket and the fixing bolts, the insulator support brackets then being connected to rail either directly or via a common earth wire, with two earth paths. Where only one earth cross span exists, a second shall be installed. The earth conductor protecting each set of “live” cross-spans shall be so arranged as to provide a ring connection with dual connections for every earth point; • Spark gaps to be supplied as per specification BBB1616 and installed as indicated on drawing CEE-TU-100; • A 95mm² composite cable shall be supplied and installed for all mast to rail bonds. Rail bonding fasteners shall comply with BBB6017; • Lightning arrestors compliant to specification BBB2141 shall be supplied and installed as per specification BBB2144. 44kV MOD: • Nominal system voltage: 44kV; • Rated current: 800 A; • Frequency: 50Hz; • The control panel for MOD shall be installed inside the substation; • The control panel shall have the local remote switch, closing and opening switches; • The opening and closing switch shall also be on the outside box; • All cabling for the MOD shall be the responsibility of the contractor e.g., cabling required to connect the MOD to the tele-control, trenching for the cable from the substation to the 44kV tower to carry the MOD etc; • The contractor shall supply and install jumpers (200mm² aluminium conductors) together with the clamps and all the associated works; • The MOD shall be provided with a name plate. The name plate shall be weather and rust proof. (EN)

Customer: ONLINE TENDERS

Number: 105884334

Country: South Africa

Source: ONLINE TENDERS

03 jun

Quotations are hereby invited for the following: Procurement of personal protective equipment for Welisizwe Project: Mpumalanga. Specifications: 1. Weather polyester/PVC rain suit (left: must be DPWI branded & right: Welisizwe Rural Bridges Programme branded) x 200; 2. Pioneer commander Chelsea safety boot - NRCS - STC – Brown x 200; 3. Towa work gloves power grab plus grey x 200; 4. Reflectors x 200; 5. Helmet-hard hats x 200; 6. RST front flip standard welding helmet – Black x 200; 7. Shift single-lined freezer jacket - left: branded with full DPWI logos & right: branded with Welisizwe Rural Bridges Programme, embroidered in full colour x 200; 8. Round neck t-shirt - black and navy blue x 200; 9. Pioneer face masks – white x 100; 10. Two piece navy blue conti suit - branded with full DPWI logos, embroidered in full colour x 200. Please note that this quotation was published late. (EN)

Customer: ONLINE TENDERS

Number: 105421206

Country: South Africa

Source: ONLINE TENDERS

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)

Customer: ONLINE TENDERS

Number: 104488295

Country: South Africa

Source: ONLINE TENDERS

09 apr

Re-advertisement: Quotations are hereby invited for the following: Provision of engineering services for shutdown for Transnet SOC Ltd Terminals Richards Bay (TPT RCB), for a period of once off, qty: 1. Project scope: Services to be as follows: - Engineering service contractor must have the following personnel; - 1 Supervisor; - 4 boilermakers with tools (generator, welding machine, gas bottles, tools for removing and installing couplings etc); - Two fitters with tools; - Two welders; - 6 semi-skilled; - Each team must come with double cab bakkie; - Team will work for 10 days as and when needed including two weekends (Saturday and Sunday); - Times (07h00 to 22h00); - Weekends (06h00 to 18h00). Location of Service: Richards Bay DBT. Name of Institution: TPT. (EN)

Customer: ONLINE TENDERS

Number: 102523161

Country: South Africa

Source: 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)

Customer: ONLINE TENDERS

Number: 102531314

Country: South Africa

Source: ONLINE TENDERS

20 mar

Wholesale Apron Handmade Customized Leather Welding Work Heavy Duty Apron (EN)

Number: 101635701

Country: South Africa

Source: RFQ

01 dec

Quotations are hereby invited for the following: Training & Development Service: Youth work skills: welding skills on handyman level. (EN)

Customer: ONLINE TENDERS

Number: 95378724

Country: South Africa

Source: ONLINE TENDERS

30 nov

Safety Clothing Flight Coverall Welding Work Wear Suit Fr Fire Resistance Uniforms Frc Workwear Hi ... (EN)

Number: 95301444

Country: South Africa

Source: RFQ

31 oct

Tenders are hereby invited for the following: B Tippler table repairs. Scope of work for the contractor (Service and repairs of B tippler table structure): - To loosen all greasing pipe attached to the table; - Strip all table anchoring pins; - Remove toe pieces; - Remove oval bush; - Replace toe pieces; - Replace oval bush with new; - Welding repairs on the table (table has lots of cracks on the structure and lots of bolts loose); - Replace all quadrants bolts; - Replace drive side and no drive side bearings and bushes; - Ensure that all greasing pipes are fitted back and grease is going through; - Replace all loose bolt connection with new one; - Replace all bushes on the top locking arm assembly. Location of Service: TPT PE. (EN)

Customer: ONLINE TENDERS

Number: 93406406

Country: South Africa

Source: ONLINE TENDERS

24 oct

safety shoes for welding,welding safety boots shoes,leather boot steel toe work safety shoes for men (EN)

Number: 92988694

Country: South Africa

Source: RFQ

10 oct

Quotations are hereby invited for the following: Supply and deliver a portable Mig welder at Bien Donne Farm, Groot Drakenstein, 7680. A portable Mig welder to weld implements away form the workshop. Scope of work: • Power input: 230V AC; • Welding current/voltage range: 20 – 131A; • Wire feeding speed: 22m/min; • Wire thickness: 06 – 0.8mm; • Flux wire thickness: 08 – 1.0mm; • Duty cycle: 60%; • Weight: 9kg; • 1 x 331 Mig/MMA machine; • 1 x Earth clamp; • 1 x Stick welding electrode clamp; • 3 year guarantee of product; • Portable cutting torch. Place where goods, works or services are required: ARC Infruitec, Helshoogte Road - Stellenbosch - 7599. (EN)

Customer: ONLINE TENDERS

Number: 92303607

Country: South Africa

Source: ONLINE TENDERS

on welding work: South Africa tenders, rfq bids, opportunities and procurement 2025