Objectives

The primary objective is to deliver a durable concrete road section along Ntshovezi Road in Ward 9 within six weeks of contract award. The project aims to upgrade local infrastructure through compliant civil engineering works, ensuring structural integrity, proper drainage, and strict adherence to municipal financial, legal, and safety frameworks.

Scope of Work

• Site Clearance: Clear and grub the entire road reserve, removing all vegetation, debris, and unsuitable material.
• Earthworks & Roadbed Preparation: Excavate a 150 mm undercut, proof-roll, and compact in-situ material to 95% Modified AASHTO density. Include cut-and-borrow fill operations compacted to 93% Modified AASHTO density, with shaping and leveling to the required profile.
• Concrete Pavement: Construct a 100 m long, 5 m wide, 150 mm thick reinforced concrete road using 25 MPa grade concrete.
• Reinforcement & Joints: Install Ref 193/195 welded steel mesh at mid-depth. Provide contraction joints at 3–5 m spacing, expansion joints where required, and seal all joints with approved sealant.
• Drainage: Construct a 100 m V-drain on one side (1 m wide, 330 mm deep) featuring a 20 MPa concrete lining, shaped for proper fall and finished smoothly to prevent erosion.
• Curing & Finishing: Cure concrete for a minimum of seven days using water or curing compound. Apply a broom finish for skid resistance.
• Health & Safety: Develop and implement a comprehensive H&S plan, appoint competent personnel, conduct risk assessments, provide PPE, safety signage, and manage traffic accommodation throughout the works.

Technical Requirements

• Regulatory Compliance: All works must comply with the Occupational Health and Safety Act, Compensation for Occupational Injuries and Diseases Act, Municipal Finance Management Act, Construction Industry Development Board guidelines, and the General Conditions of Contract (GCC) 2015, 3rd Edition.
• Engineering Standards: Execution must align with SANS 1200, COTO Standard Specifications (latest edition), and SABS material standards.
• Material Specifications: Pavement concrete requires 25 MPa strength, 75–100 mm slump, and maximum 19 mm aggregate. Drain lining requires 20 MPa concrete.
• Tolerances: Surface level ±10 mm, thickness -5 mm/+10 mm, alignment ±10 mm.
• Quality Assurance: Submit delivery notes and batch plant test results confirming concrete strength. Engineer inspection is mandatory prior to pouring. Continuous monitoring of levels and thickness is required.
• Administrative & Commercial: Bidders must be registered on the Central Suppliers Database (CSD). Quotations must remain valid for 120 days. Pricing must encompass labour, plant, materials, transport, wastage, overlaps, testing, and general obligations including insurance.

Skills & Experience Requirements

• Project Track Record: Demonstrated history of completing concrete road projects. Evaluation prioritizes bidders with more than five completed projects, followed by three to five, two, or fewer.
• Key Personnel: A qualified Foreman, Technician, or Site Agent with verifiable experience in concrete road construction is mandatory. Preference is given to candidates with over five years of relevant field experience.
• Documentation: Submission of appointment letters, completion certificates, client reference letters, and detailed CVs is required for functional scoring verification.
• Operational Capability: Proven ability to manage fixed and time-related contractual obligations, maintain compliance audits, execute method statements safely, and deliver all scope items within the six-week completion period.

Notes on Specialized Terms

• Modified AASHTO Density: A standardized laboratory compaction test method used in civil engineering to determine the optimal moisture-density relationship for soils, ensuring stable and load-bearing road foundations.
• Ref 193/195 Welded Mesh: Pre-fabricated steel reinforcement grids specified for concrete pavements to control thermal cracking, distribute traffic loads, and enhance slab durability.
• GCC 2015 (3rd Edition): The standard General Conditions of Contract framework governing South African public sector procurement, detailing rights, responsibilities, payment terms, variations, and dispute resolution procedures.
• CSD Registration: Mandatory national supplier database enrollment for all entities bidding on South African government contracts, verifying tax clearance, B-BBEE status, banking details, and company registration.