Objectives

The primary objective of this tender is to procure birdproofing services at the NICD Sandringham campus. The service provider is expected to design, supply, install, and maintain an effective birdproofing system that addresses the specific needs of the facility, ensuring the prevention of bird intrusion and associated issues.

Scope

The scope of work includes:

• Assessment and removal of existing damaged birdproofing measures.
• Design and installation of a comprehensive birdproofing system, including nylon netting, bird repeller pyramids, and anti-bird spikes on air-conditioning units and other relevant infrastructure.
• Provision of schematics, standard operating procedures, and detailed installation guidelines.
• Implementation within a maximum timeframe of 6 weeks from appointment.
• Post-installation maintenance, warranty, and guarantee services for a minimum of 24 months.

Technical Requirements

The technical specifications for the birdproofing system are as follows:

1. General System Attributes

• Holistic, effective, and durable birdproofing solution.
• Use of high-quality materials resistant to UV, acids, and environmental wear.
• Netting properties:
  • UV resistant (minimum 95%)
  • Perforation size: maximum 10mm x 10mm
  • Woven fibers: at least 2mm thick when stretched
  • Color: Black or Charcoal
  • Reinforced edges with durable canvas fabric (300 gsm)
  • Securely anchored with J hooks, eyelets, or suitable screws, spaced approximately 300mm apart
  • Proper tensioning to prevent sagging
  • Support bars for turns and profiles, with smooth edges to prevent wear

2. Bird Deterrent Devices

• Rooftop bird repeller pyramids:
  • Optical, wind-powered, reflecting sunlight to deter birds
  • Made of durable ABS plastic, aluminum, or non-lightning conducting materials
  • Mounted on poles (~300mm to 1000mm) with sturdy base plates or brackets
  • Effective range: projecting 10-15m upwards and up to 25m sideways
• Anti-bird spikes:
  • Transparent polycarbonate or stainless steel
  • Installed on air-conditioning units, eaves, and down pipes
  • Material properties: durable, weather-resistant, and with warranties of at least 24 months

3. Additional Components

• Fixings such as hooks, nails, adhesives, and sealants, with allowances up to 20% of the total material costs.
• Provision of a comprehensive safety file, including qualifications, training, and site safety management plans.
• Material warranties and guarantees for a minimum of 24 months.
• Contingency budget of R30,000 to cover unforeseen expenses or adjustments.

4. Installation and Completion

The entire birdproofing system must be installed within 6 weeks of contract award, with adherence to safety standards, quality assurance, and environmental considerations. The contractor must provide detailed schematics, SOPs, and maintenance guidelines post-installation.