Objectives

The primary objective of this tender is to supply and deliver a Single Motor Grid Gate, specifically Type A, in accordance with the specifications outlined in the provided document. The successful supplier will ensure the provision of a motorized grid gate that meets the technical and structural requirements set out by the Central Karoo District Municipality, to be installed at the Head Office in Beaufort West.

Scope

The scope of the tender includes:

• Supply of all materials, including concrete slabs, reinforcement bars, steel mesh, and associated components as specified in the standard plans and technical details.
• Delivery of the complete motorized grid gate system to the Central Karoo District Municipality Head Office in Beaufort West.
• Installation and commissioning of the grid gate, ensuring compliance with the technical specifications and structural details provided.
• Provision of necessary wiring, power supply conduits, and control mechanisms as detailed in the technical requirements.

Technical Requirements

The technical requirements for the tender are detailed and include the following key aspects:

Design and Structural Specifications

• The grid gate must be operated by a W-A-S 1 system (or equivalent), capable of automated operation.
• The gate should have a maximum clear opening of 7,650 mm (25.1 ft) and a width of approximately 9.24 meters.
• The gate system must include a concrete subgrade, rigid slab (concrete), and reinforcement as per the standard plans.
• Structural elements such as the dam wall should be constructed with concrete, with specified dimensions and reinforcement (e.g., T10 bars at 150 mm spacing).
• Foundation details include a reinforced concrete footing with a depth of 300 mm and width of 600 mm.

Materials and Components

• Use of concrete, steel mesh reinforcement, and reinforcement bars as specified in the standard plans.
• Inclusion of wiring conduits (200 mm diameter), control wiring, and power supply provisions.
• Locking mechanisms should include padlocks and secure control systems.

Operational and Control Features

• The motorized gate must be operable via the W-A-S 1 system, with provisions for manual operation when wing pant 1 and 2 are unavailable.
• Control wiring and signal systems should be detailed, with wiring in conduits and appropriate control panels.
• The system should include diagrams and operational views as per the provided figures and sections.

Additional Technical Details

• Structural cross-sections and elevation views must adhere to the specified dimensions and reinforcement details.
• All dimensions are in millimeters unless otherwise specified.
• The system must be installed and tested to ensure compliance with the specifications outlined in the standard plans and technical notes.