Objectives

The primary objective of this tender is to engage a service provider to perform minor repairs to the Cremnophyte display within the conservatory at Kirstenbosch National Botanical Garden in Cape Town. The scope includes structural repairs such as fixing loose rocks/slate, testing and mortaring rocks, and replacing damaged components to ensure the display's integrity and safety.

Scope

The scope of work encompasses:

• Structural repairs involving loose rocks/slate, including testing by hand and mortaring back in place as per structural engineer specifications.
• Creating an opening in the wall for investigative purposes, filling voids, rebuilding, and making good the area.
• Replacement of damaged aluminium double doors, stone tiles, timber benches, and mirrors.
• Cleaning activities such as high-pressure cleaning of stone floors and window cleaning.
• Supervision, testing, and certification of works by qualified structural engineers.

Technical Requirements

The technical requirements include:

• Adherence to the specifications provided by structural engineers, including testing and mortaring loose rocks.
• Construction of temporary supports and bracing during repairs.
• Proper removal and replacement of damaged materials with new, compliant components.
• Compliance with relevant standards such as SANS 10400 and Occupational Health and Safety Act regulations.
• Supervision and sign-off by qualified structural engineers, with certification of structural compliance.
• Use of appropriate equipment and safety measures during all repair activities.

Skills Requirements

The tenderer must demonstrate the following skills and qualifications:

• Registration with CIDB or capability to register with a contractor grading designation of Level 1GB or higher.
• Experience in structural repairs, specifically involving masonry, slate, and stonework.
• Qualified structural engineer or equivalent professional with relevant registration and experience.
• Skilled tradespersons with experience in masonry, carpentry, and general building repairs.
• Ability to supervise and manage construction activities, ensuring safety and compliance.
• Proven track record of similar repair projects within heritage or botanical environments.