Für Endarbeiten: South Africa ausschreibungen, öffentliche beschaffung 2025




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insgesamt: 12
16 jan
Quotations are hereby requested for the appointment of a suitably qualified structural engineering consulting firm for the design of a free-standing lattice mast at the despatch transmitter site. Scope of works: The client requires a new mast and foundation constructed in the same position as the existing mast structure, as a replacement for the existing Triax mast, with the following characteristics: • Maximum mast height of 15m above existing Triax mast foundation level, • Hot dip galvanizing to all structural steel works, • A freestanding lattice mast of angle iron leg/angle iron bracing with a face width dependent on design and the requirement to climb internally, • The mast structure to be sized, in terms of structural capacity, to accommodate existing antennas and other mast furniture as well as limited future site sharer antennas, with the limit being the physical mast characteristics/physical space available on the mast structure, • Internal vertical antenna cable ladder, • Internal vertical mast climbing ladder, • Footrest platforms at a vertical spacing of not greater than 8m, • Lightning final, • Augmented foundation to accommodate the requirements of the new freestanding lattice mast, • The existing foundation to be augmented, and only connecting copper strips will be required. Mast copper earthing system with a connection to the existing site/foundation earthing system, • Mast finishing to be a duplex system(Hot Dipped Galvanized and be coated with extra protection (C4 corrosion category). The paint system with a total min dtf of 240um). (EN) Zu Favoriten hinzufügen
Kunde: ONLINE TENDERS

Nummer: 117466371

Land: South Africa

Quelle: ONLINE TENDERS

17 aug
Grinaker-LTA (Pty) Ltd, the main contractor on the upgrading of National Route 3, Section 3 from Gladys Manzi Road (Km 5.9) to New England Road Interchange (Km 9.0) hereby invites current and prospective suppliers and subcontractors to apply to be registered on the Subcontractor and Supplier Database. The works involve the following but are not limited to: Construction Works: a) Erection and maintenance of the contractor"s camp site; b) Clearing and grubbing; c) Removal of trees; d) Provision of traffic control facilities; e) Management of traffic control facilities and traffic safety as part of the accommodation of traffic; f) Construction and clearing of drains; g) Installation of prefabricated culverts including inlet and outlet structures; h) Concrete channelling and concrete linings for open drains; i) Construction of concrete paving, kerbs and channels; j) Construction of small concrete and other structures; Construction of concrete walkways; k) Pitching, stonework and protection against erosion; l) Construction of gabions; m) Patching and repairing edge breaks; n) Erection of guardrails; o) Landscaping; p) Fencing; q) Road signs; r) Road markings; s) Finishing the road and road reserve; t) Site Security Services; u) Haulage of Materials; v) Supply of plant; w) Supply of fuel; x) Specialised subcontract work such as: i. Construction of concrete pavements; ii. Laying of asphalt using; asphalt pavers; iii. Structural concrete such as culvert and bridges; iv. Crushing of materials; v. Precast manufacture; vi. Batch plant erection and operations; vii. Earthworks, Layer-works construction; viii. Structural steel fabrication, erection. Supplier Contracts for: Security Services, Diesel, Plant Hire and Training service providers. It is envisaged that construction will commence towards the Beginning of September 2023. Please confirm the closing time as it was not published. (EN) Zu Favoriten hinzufügen
Kunde: ONLINE TENDERS

Nummer: 89363282

Land: South Africa

Quelle: ONLINE TENDERS