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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. (Offre №104488298fr)

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Country: South Africa
Langue: EN
Nombre: 104488298
Date de publication: 16-05-2024
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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. Source: ONLINE TENDERS

Quotations are hereby invited for the following: Supply and deliver batteries. Specification: Supply and deliver: 1. Battery 9 volt, unit of measure: Each, qty: 200: - Battery 9v Ultralife lithium, - Average voltage: 9v, - Non-rechargeable, - Nominal capacity: 1.2Ah Max, - Continuous discharge: 150mA, - Pulse capacity: 1A, - 5 years shelf life, - Delivery period: 7 to 21 days, 2. Battery AA Alkaline, unit of measure: Each, qty: 400: - AA Battery capacity (Avg): Alkaline: 2500 mAh, - Operating temperature: 0°C - 60°C, - Diameter: 14.5mm, - Height: 50.5mm, - Chemistry: Alkaline, - Delivery period: 7 to 21 days, 3. Battery R14, unit of measure: Each, qty: 100: - R14 size battery 1.5V, - Super Alkaline, - 5 years shelf life, - Delivery period: 7 to 21 days, 4. Battery AAA 1.5v, unit of measure: Each, qty: 400: - Alkaline AAA battery nominal voltage: 1.50 volts, - Alkaline AAA battery capacity (Avg) - Alkaline: 1200 mAh, - Alkaline AAA battery operating temperature: 0°C - 60°C, - Alkaline AAA battery diameter: 10.5mm, - Alkaline AAA battery height: 44.5mm, - Chemistry: Alkaline, - Shelf life: 5 years, - Delivery period: 7 to 21 days. Institution Name: Benedictine Hospital. Province: KwaZulu-Natal. Department of entity: Department of Health. Division or section: Supply Chain Management. Place where goods/service is required: Main Stores. Contract period (if applicable): Once off. Source: ONLINE TENDERS

Tenders are hereby invited for the following: provision of hydrogen plant refurbishment and commissioning. Scope: Complete commissioning of the Hydrogen equipment and Hydrogen Plant. This includes but not limited to: • Identifying and fixing any leaks on the Hydrogen Plant, metering panel and associated accessories; • Commissioning of metering panel instruments; • Repair any defective connections or fittings. Supply of resources (1 X Engineer and 2 artisans for 3 days) for nitrogen purging of all hydrogen piping up to the users, hydrogen receiver and subsequent pressurizing of the system with Hydrogen in accordance with approved procedures; • All safety valves must be removed, calibrated with gaseous medium and installed before commissioning of the plant; • Execute associated Site Acceptance tests (SAT); • Supply Commissioning (H3) Data book. Office: Kusile Power Station. Source: ONLINE TENDERS