Objectives

The primary objective of this tender is to secure a competent contractor to construct two valve chambers at the Forest Reservoirs and replace an existing 400mm valve. The project aims to deliver safe, durable, and fully compliant infrastructure upgrades within a strict timeframe and budget, while ensuring rigorous site management, environmental cleanliness, and adherence to municipal procurement regulations.

Scope of Work

• Chamber Construction: Build two reinforced manhole/valve chambers with specified dimensions (one measuring 4m x 4m x 6m and another 3m x 3m x 3m).
• Civil & Structural Works: Complete excavation, foundation preparation using compacted G5 crushed stone and concrete, pouring of reinforced bottom and top slabs, and construction of 230mm double-layer brick walls.
• Fittings & Accessories: Install lockable polymer compound lid covers, hot-dip galvanized step ladders, and dual 110mm PVC ventilation pipes per chamber.
• Valve Replacement: Safely remove and replace a 400mm valve.
• Site Management: Provide all necessary labour, plant, equipment, and materials. Transport all removed materials to the designated Esikhawini water depot. Restore the site to a clean condition upon completion.

Technical Requirements

• Engineering Specifications: Strict adherence to provided structural details, including 15MPa and 25MPa concrete grades, precise dimensional tolerances, and correct installation of ventilation and access components.
• Safety & Compliance: Full compliance with the Occupational Health and Safety (OHS) Act. Contractors must submit a site-specific safety plan, conduct mandatory inductions for all personnel, and allow unannounced safety audits by the client’s safety officer. Non-conforming tasks may be halted immediately.
• Timeline: Project completion is expected within approximately two weeks of normal working days. Failure to meet the deadline will result in contractual penalties.
• Documentation & Alterations: Any changes to the submitted quotation must be manually signed by the bidder; unsigned alterations result in immediate disqualification.

Skills & Qualification Requirements

• Industry Rating: Minimum Construction Industry Development Board (CIDB) grading of 1SO or 1CE or higher.
• Trade Certification: Submission of a certified copy of a qualification certificate for a trade-tested plumber.
• Administrative Compliance: Registration on the Central Suppliers Database (CSD), valid Tax Clearance Certificate, Letter of Good Standing from the Compensation Fund, and completed Municipal Bid Documents (MBD) for interest declarations, past practices, and independent bidding confirmation.
• Preferential Procurement: Bidders must complete the preferential points claim form, providing documented proof of eligibility under South African ownership, rural/township residency, youth, female, or disabled person categories to qualify for scoring advantages.

Explanation of Unusual or Complicated Terms

• CIDB Grading (1SO/1CE): Official South African construction competency ratings. 1SO denotes small-scale organizational capacity, while 1CE indicates small-scale contractor experience. These ratings verify that the bidder possesses the proven financial, managerial, and technical capability to execute low-value civil projects safely and competently.
• CSD Registration: The Central Suppliers Database is the national government procurement registry. Only suppliers registered here are eligible for evaluation, ensuring standardized vendor vetting, tax compliance verification, and transparency across public entities.
• MBD Forms: Standardized Municipal Bid Document forms used to legally verify compliance, declare conflicts of interest, confirm non-collusion among competitors, and attest to past performance. Failure to submit these results in automatic disqualification.
• Preferential Procurement (80:20 System): A scoring methodology where 80% of evaluation points are allocated to price competitiveness and 20% to socio-economic transformation goals (e.g., black ownership, women/youth/disabled participation). Bidders must attach verified documentation to claim these points; unsubstantiated claims receive zero points.