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Industrial & Automotive • Case Study Record

City of Johannesburg Biogas Biodigester Renewable Energy Plant

Specialized health and safety agency for the construction and commissioning of an industrial waste-to-energy anaerobic biogas biodigester plant with hazardous gas containment systems.

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Development Bank of Southern Africa (DBSA) / City of JoburgClient / Contracting Authority
R120 MillionContract / Capital Project Value
Pr. Construction Health and Safety Agent (SACPCMP CHSA)Diba BES Appointed Role
Statutory RolePr. Construction Health and Safety Agent (SACPCMP CHSA)
Client OrganisationDevelopment Bank of Southern Africa (DBSA) / City of Joburg
LocationJohannesburg, Gauteng
Delivery TimelineAug 2019 – Dec 2021

Strategic Engineering & Safety Delivery

The Challenge & Diba BES Solution

How Diba BES structured risk management protocols, contractor oversight, and statutory compliance to safeguard project delivery.

The Operational Challenge

Managing major explosion and toxic gas inhalation hazards during civil construction and gas-tight commissioning of anaerobic digestion tanks.

Diba BES Strategic Response

  • Implemented multi-gas calibrated atmospheric monitors, continuous positive pressure fresh air ventilation, intrinsically safe (Ex-rated) tooling, and rigorous hydrostatic pressure testing protocols.

Approved Scope of Work

Key Statutory Deliverables & Engineering Scope

Detailed breakdown of specialized safety agency, risk assessments, inspections, and contractor governance tasks performed on site.

Hazardous Area Classification (HAC) risk assessments under SANS 10108
Deep concrete digester tank construction, shoring, and confined space entry controls
Methane and hydrogen sulphide gas detection systems and explosion protection protocols
High-pressure biogas piping, flare stack, and combined heat & power (CHP) generator safety

Quantified Outcomes & Delivery Impact

Measurable Results Backed by Verified Evidence

Documented performance metrics, zero-harm milestones, and statutory audit achievements recorded across this project.

01

Achieved 100% Zero-Harm delivery across all construction and hazardous gas commissioning phases

Verified Evidence
02

Pioneered municipal renewable energy infrastructure diverting organic waste into clean power

Verified Evidence
03

Zero environmental emissions or containment breach incidents

Verified Evidence

Stakeholder Governance & Standards

Technical Specifications & Engineering Partners

Client Contact / DirectorateCindie Venter (Development Bank of Southern Africa)
Procurement / Program CategoryMunicipal Renewable Energy & Clean Infrastructure
Delivery MandatePr.CHSA Statutory Agent Mandate
Statutory Standards Complied
SANS 10108 (Hazardous Locations)Pressure Equipment RegulationsOHS Act 85/1993

Approved delivery evidence

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