Tender Summary: Repair Wilo Split-case Pump

Objectives

The primary objective is to secure a qualified contractor to professionally repair a Wilo split-case pump for uMngeni-uThukela Water. The project aims to restore the pump to full operational efficiency, ensure uninterrupted water distribution infrastructure, and comply with municipal engineering and safety standards.

Scope of Work

The scope covers the end-to-end repair and reconditioning of a single industrial pump unit. Key activities include:

• On-site assessment and technical diagnosis of the pump condition.
• Controlled dismantling, component inspection, and wear measurement.
• Procurement and installation of OEM-compliant spare parts, including seals, bearings, impellers, and shaft sleeves.
• Precision realignment, reassembly, hydrostatic testing, and performance validation.
• Final commissioning, documentation handover, and warranty provision.

All deliverables must strictly follow the official tender documentation. Submissions deviating from prescribed formats or arriving after the deadline will be disqualified.

Technical Requirements

• CIDB Contractor Grading: Bidders must possess a minimum Construction Industry Development Board grading of 1ME or higher.
• Mandatory Site Inspection: Physical attendance at a compulsory site briefing and tender inspection is required. A signed official briefing session/tender inspection certificate must be submitted with the tender.
• Documentation Compliance: Tenders must be prepared exclusively using the official tender package issued by the employer. No alternative templates are permitted.
• Submission Protocols: Strict adherence to prescribed methods for sealing, addressing, physical delivery, and receipt timelines as outlined in the full tender data.

Skills Requirements

Although not exhaustively listed in the preliminary notice, the mandatory grading and nature of work imply the following competency requirements:

• Registered mechanical artisans or engineers with specialization in rotating equipment and hydraulic systems.
• Proven experience in industrial pump overhauls, laser alignment, vibration analysis, and bearing replacement.
• Knowledge of Wilo brand specifications, torque tolerances, and OEM maintenance protocols.
• Ability to produce detailed service reports, test certificates, and compliance documentation.

Key Terminology & Special Conditions

CIDB Grading 1ME: A South African Construction Industry Development Board classification indicating a medium-level capability rating for Mechanical and Electrical plant works. It certifies that the contractor has the financial, technical, and managerial capacity to execute specialized mechanical installations and repairs within a specified monetary threshold.

Wilo Split-case Pump: A heavy-duty industrial centrifugal pump commonly used in municipal water supply and irrigation. The "split-case" design features a horizontal casing joint that allows technicians to remove the top half of the housing to access internal components without disconnecting inlet or outlet piping, significantly reducing maintenance downtime.

Compulsory Site Briefing & Inspection Certificate: A mandatory pre-tender event where prospective bidders must physically visit the designated workshop to inspect the equipment, clarify technical expectations, and obtain an officially signed certificate. This document serves as a strict eligibility gate; absence automatically disqualifies the bidder regardless of pricing or technical proposals.