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Extension of closing date: Proposals are hereby invited for the appointment of professional structural, facade and civil engineering services on risk for the redevelopment of Transnet’s Nzasm Building. (Oferta №86273531es)

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País: South Africa
Idioma: EN
Número: 86273531
Fecha de publicación: 23-06-2023
Fuente:

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Addendum: Amendment to the tender document and Extension of the Closing Date: Bids are hereby invited for the following: Olifantspoorts and Ebenezer Refurbishment Phase 1A: Electromechanical refurbishment of Olifantspoort Pump Stations (PS1, PS2 & PS3) and Ebenezer Water Treatment Works and Pump Station. The nature of works for this project includes, among others, the following activities: a) Site Establishment; b) Site clearance; c) Rehabilitation of access road to WTW/Pump Station 1; d) Refurbishment works within the pump stations (PS 1, 2 and 3); e) Refurbishment works within the Ebenezer Scheme; f) Replacement of all high lift pumps and their associated valves and pipework. All suction and delivery site isolating valves to be electrically actuated; g) Replacement of all auxiliary mechanical systems including cooling water pumps (all pump stations), service water pumps (only in PS 1) and their associated pipe work and valves; h) Maintenance and load testing of gantry; i) Replacement of all high lift pump motors and installed of variable frequency/speed drives; j) Maintenance and testing of all high lift pump MV switchgear; k) Automation of the entire pump station including upgrading existing instrumentation PLC and HMI systems and SCADA systems; l) Upgrading of the telemetry systems; m) Replacement and installation of power and control cables; n) Upgrading of low voltage boards and MCC panels; o) Minor pump station building modifications including painting, small power and lighting; p) Construction of VFD/VSD substation building to house new VFDs/VSDs; q) Specialist MV protection studies; earthing and lightning protection studies; r) Coordination and planning for shutdown with the Employer and the Consumers; s) OH&S; t) Environmental Management; u) Community Liaison and stakeholder management. Fuente: ONLINE TENDERS

Addendum: Amendment to the Tender Document and Extension of the Closing Date: Bids are hereby invited for the following: Olifantspoorts and Ebenezer Refurbishment Phase 1A: Replacement of pipelines and refurbishment of water treatment works: A. 800mmø specon pipeline replacement; B. Refurbishment of Olifantspoort Water Treatment Works; C. Rehabilitation of Megoring and Thakgalang River Crossings; D. New suction pipeline from Witkos Reservoir to PS3 Pump Station. Fuente: ONLINE TENDERS

Extension of the Closing Date: Bids are hereby invited for the appointment of a service provider for the supply, delivery, installation, commissioning, maintenance, and support of Global Navigation Satellite System (GNSS) / Global Positioning System (GPS) Network Time Protocol (NTP) time clock synchronisation systems with a system life cycle of 15 years. Scope: • The final design concept entails three different system topology designs according to the different types of sites: • Major-Site System • Main-Site System • Remote-Site System • The design is based on the utilization of the existing Information Technology (IT) network infrastructures at each site. Where possible and for additional redundancy aggregates for an alternative NTP Time reference source the existing IT/ISP or VSAT (where available) shall be utilised. Necessary and essential security measures need to be implemented to ensure that the time synchronisation services are not compromised as well as all systems interfacing to the time synchronisation equipment. Fuente: ONLINE TENDERS

Extension of the Closing Date: The South African National Roads Agency SOC Limited (SANRAL) invites tenders for the provision of consulting engineering services for the upgrade of the Higginson Highway Interchange on National Route 2 Section 25, km 6.3 (Phase 1). This project is in the KwaZulu-Natal Province and in the eThekwini Metropolitan Municipality and the approximate programme is for design and construction documentation to be completed by February 2025, followed by supervision of 27 months, commencing September 2025. Fuente: ONLINE TENDERS

Extension of closing date: Proposals are hereby invited for the appointment of professional mechanical, fire and wet engineering services on risk for the redevelopment of Transnet’s Nzasm Building. Place where goods, works or services are required: Nzasm Building - Pretoria - Gauteng - 2001. Fuente: ONLINE TENDERS

Tenders are hereby invited for the following: Supply of assembly trolley wheel. Scope: - Assemble trolley wheel drive shafts for ZPMC cranes. Fuente: ONLINE TENDERS