Drilling and grouting contractor for tzaneen dam project (RFP082/2026)

The project involves the appointment of a contractor for drilling and grouting works at the Tzaneen Dam. Key deliverables include establishment and de-establishment on site with all necessary storage.

Contractors must demonstrate capability in dam drilling and grouting works, have SACPCMP-registered safety personnel, comply with South African construction regulations (CR 7 and CR 8(5)), provide necessary insurances (Performance Bond, All Risk Contractors Insurance, SASRIA), and show experience in environmental management on construction sites. Financial capacity to handle the project scope and provide required bonds is essential.

The scope covers drilling and grouting works for the Tzaneen Dam project. Key requirements include:

• Establishment and de-establishment on site, including all necessary storage.
• Plant or lifting equipment capable of reaching approximately 65 m height and 40 m radius (including operating personnel).
• Supervision, accommodation, and travel for a 3-month period.
• Provision of a wide range of SANS-approved personal protective equipment for each worker, including hard hats, overalls, safety boots, and fall arrest equipment.
• Implementation of a project-specific health and safety plan, appointment of a SACPCMP-registered Part-Time Competent Construction Health & Safety Officer, and basic emergency preparedness.
• Environmental management measures for handling/storage of materials and waste disposal.
• Drilling works include percussion drilling for grouting and drain holes at various depths and angles, with specified quantities for primary, secondary, tertiary, and quaternary holes.
• Grouting works include curtain and consolidation grouting.
• Supply of grouting materials: CEM 1 cement and bentonite.

The document contains a detailed unpriced bill of quantities. Key financial items include:

• Fixed costs for establishment and de-establishment.
• Time-related costs for supervision, accommodation, and travel over 3 months.
• Insurances: Performance Bond, All Risk Contractors Insurance, SASRIA.
• Health & Safety Management costs, including Workman’s Compensation Fund/FEM contributions, H&S plan preparation and implementation, and appointment of a safety officer.
• Costs for comprehensive personal protective equipment for workers.
• Environmental management costs.
• Detailed drilling and grouting quantities with unit rates to be priced.
• A contingency of 5% and VAT at 15% are included in the total.

Key compliance requirements include:

• Health and Safety: Must prepare and implement a project-specific H&S Plan & File as per CR 7. Must appoint a Part-Time Competent Construction Health & Safety Officer registered with SACPCMP as per CR 8(5). Must provide Workman’s Compensation Fund or FEM contributions. Must conduct pre-employment and exit medical examinations. Must provide compulsory health and safety awareness programmes (inductions, toolbox talks, etc.).
• Insurance: Must provide a Performance Bond, All Risk Contractors Insurance, and SASRIA.
• Personal Protective Equipment: Must supply SANS-approved PPE as per site-specific risk assessments.
• Environmental Management: Must implement measures for handling/storage of materials and waste disposal to minimize contamination.

Project: Groot Letaba River Water Development (GLeWaP) - Raising of Tzaneen Dam.

Scope: Drilling and grouting works in preparation for the construction of Tzaneen Dam.

• Location: Near Tzaneen, Limpopo Province, South Africa.
• Purpose: Ensure health and safety of all persons on the construction site as per Construction Regulation 5(1)(b), 2014 of the Occupational Health and Safety Act.
• Detailed scope and technical specifications are referenced in Part C3 of the tender document, the Design Report, and the Bill of Quantities.

Project Manager: Cobus Nienaber (DBSA) - Email: [email protected]

SHEQ Specialist: Cindie Venter (DBSA) - Email: [email protected]

Construction Project Manager: Jacob Tshiwilowilo (DBSA) - Email: [email protected]

Designers: Henry-John Wright (ARQ Dams (Pty) Ltd) - Email: [email protected]

Client’s Construction Health and Safety Agent (Pr. CHSA): Francois du Toit (SHE Group) - Email: [email protected], Phone: 044 873 2530, Address: 96 Merriman Street, George, 6530

Legal Requirements:

• Must be a registered employer under the Occupational Health and Safety Act, 1993.
• Must possess a valid Letter of Good Standing with the Compensation Commissioner (COIDA).
• Must comply with all South African labor laws and construction regulations.
• Must have no outstanding fines or penalties related to OH&S non-compliance.

Technical Requirements:

• Must demonstrate experience in drilling and grouting works, preferably for dam construction or similar large-scale projects.
• Must have competent personnel (e.g., registered OH&S Officer with SACPCMP, certified crane operators, scaffold inspectors).
• Must provide evidence of past compliance with OH&S regulations on similar projects.
• Must have capacity to manage subcontractors in compliance with Construction Regulation 7(1)(c)(v).

Financial Requirements:

• Must provide proof of financial capability to undertake the project (e.g., bank guarantees, insurance cover).
• Must have valid insurance covering public liability, employer’s liability, and construction all risks.

Documentation:

• Must submit a detailed Health & Safety Plan as part of the tender.
• Must provide CVs and certificates for all key personnel (e.g., Construction Manager, OH&S Officer).
• Must include past project references demonstrating compliance with OH&S requirements.

Scope: Drilling and grouting works in preparation for the construction of Tzaneen Dam under the Groot Letaba River Water Development (GLeWaP) project.

• Location: Near Tzaneen, Limpopo Province, South Africa.
• Detailed scope of work is referenced in Part C3 of the tender document, the Design Report, and the Bill of Quantities.

Key Technical Requirements:

• Compliance with Construction Regulation 5(1)(b), 2014 of the Occupational Health and Safety Act.
• Development and implementation of a comprehensive Health & Safety Specification addressing all occupational health and safety aspects of the construction work.
• Specific activities include site establishment, offices, secure storage, ablutions, sheltered eating areas, vehicle access, dealing with existing structures, and location of existing services.
• Risk management for activities such as installation and maintenance of temporary electrical supply, adjacent land uses, boundary and access control, public liability, health risks from environment (e.g., dogs, bees, snakes, lightning), ergonomic risks, noise exposure, dehydration and heat exhaustion protection, wet and cold conditions, HIV/AIDS and other diseases, use of portable electrical equipment, loading and offloading trucks, manual and mechanical handling, lifting and lowering operations, working in elevated positions, driving and operation of construction vehicles and mobile plant, drilling and grouting, and use and storage of flammable liquids and hazardous chemical agents.

Audit and Inspection Requirements:

• Contractors must submit a Corrective Action Report with evidence of close-outs to the Principal Construction Health & Safety Agent (Pr. CHSA) within seven (7) days of receiving an Audit Report.
• The Client reserves the right to conduct ad hoc audits and inspections. Contractors must conduct monthly internal Health and Safety Audits on their own systems and on all Sub-Contractors.
• Audits must be conducted by an independent, qualified person not working on the site.
• The Client’s representative must approve the Contractor’s Health and Safety Audit Template before work commences.
• Fines and Penalties: Repeated non-conformances may incur a minimum fine of R250.00 per finding and a maximum of R5,000.00 per finding, recommended by the Pr. CHSA and approved by the Client’s Project Manager.

Environmental and Waste Management:

• Contractors are responsible for the safe storage of all materials and equipment required for the execution of the contract.
• Dispose of all non-usable waste material in an orderly manner.
• Store materials neatly and safely to prevent injury and ensure safe access and removal.

Personnel Competency Requirements:

• Operators of cranes and lifting equipment must be trained and certified through a National certification system.
• The operator’s experience, skill, and knowledge of the specific equipment must be given due consideration.
• All operators, drivers, and users of construction vehicles and mobile plant must possess Competency Certificates and Medical Certificates of Fitness as per Construction Regulation 23.

Legal and Regulatory Compliance:

• Construction Work Permit: Number LP-TZN-316/05/2023 issued by the Department of Employment and Labour. A copy must be kept in the OH&S file and the permit number displayed at the site entrance.
• Appointments: Written appointments required for roles such as Construction Manager, OH&S Officer, Construction Supervisor, Risk Assessor, Fall Protection Plan Developer, Structures Supervisor/Inspector, Temporary Works Supervisor, Scaffold Supervisor/Erector/Inspector, Construction Vehicle/Mobile Plant/Machinery Supervisor, Drivers/Operators of Construction Vehicles/Plant, Electrical Installation and Appliances Inspector, Hazardous Chemical Agent Supervisor, Work Near Water Inspector, Housekeeping Supervisor, Stacking & Storage Supervisor, Emergency Coordinator, First Aider, Fire Equipment Inspector, Incident Investigator, Ladder Inspector, OH&S Representatives, Person Responsible for Machinery, Pressure Equipment Supervisor, and Welding Supervisor.
• Competencies: All appointed personnel must have their competencies attached to their appointments and placed in the Health and Safety File.
• SACPCMP Registration: Contractors must appoint a Part-Time competent Health and Safety Officer registered with the South African Council for the Project and Construction Management Professions (SACPCMP).
• Letter of Good Standing: Contractors must possess a valid Letter of Good Standing with the Compensation Commissioner (COIDA).
• Section 37(2) Agreements: Agreements must be drawn up between the Principal Contractor and appointed contractors, including all Health and Safety aspects.
• Health & Safety Plan: Every contractor must provide a site-specific Health & Safety Plan and File, which must be evaluated and approved prior to commencement on site.
• Occupational Medicals: All personnel must submit valid medical certificates of fitness specific to the construction work, issued by an occupational health practitioner as per Annexure 3 of Construction Regulation, 2014.
• Transmittable Disease Prevention: Compliance with Section 8 of the Occupational Health & Safety Act, including planning, awareness programs, and risk assessments for transmittable diseases (e.g., COVID-19).
• Ergonomic Regulations 2019: Risk assessments and training programs for ergonomic risks must be implemented.

Contractor Responsibilities:

• The contractor is solely responsible for the discovery, determination, and elimination of any conditions that may contribute to the risk of injury to persons or damage to property.
• The contractor must continuously inspect all work, materials, and equipment to identify and mitigate such conditions.
• Safe storage of all materials and equipment, as well as orderly disposal of non-usable waste material, is the contractor's responsibility.

Site-Specific Health and Safety Requirements:

• Housekeeping: Maintain clean and safe work areas, ensure safe storage of materials, and prevent accumulation of loose materials or waste.
• Working at Heights: Develop a site-specific Fall Protection Plan including risk assessments, medical fitness evaluations, training programs, equipment inspection procedures, and rescue plans. Scaffolding must be erected and inspected by competent personnel in accordance with SANS 10085.
• Cranes and Lifting: Operators, riggers, and signal persons must be trained and certified. Pre-operational checks, load test certificates, and risk assessments are required for all lifts. Critical lifts (over 75% of rated load) require approved lifting plans.
• Construction Vehicles and Mobile Plant: Operators must have valid licenses, competency certificates, and medical certificates of fitness. Vehicles must be maintained in good working order and used according to design specifications.
• Electrical Installations: Temporary installations must be inspected weekly by a competent person. Use insulated tools and equipment when working near live electrical components. Maintain a register of all electrical work and inspections.
• Barricading and Demarcation: The construction site must be fully barricaded with physical barriers and signage to prevent unauthorized access.
• Hazardous Chemical Agents: Provide suitable protective equipment and ensure employees are familiar with hazardous material data sheets and safety procedures.
• First Aid: Provide a Safety Notice Board, first aid boxes, stretchers, and trained first aiders. Report all incidents within 24 hours.
• Fire Precautions: Store flammable materials safely, provide firefighting equipment, and train employees in its use. Maintain registers of fire equipment and training.
• Welfare Facilities: Provide sanitary facilities, showers, changing areas, and sheltered eating areas. Arrange transport for workers in remote areas.
• Commissioning Safety: Ensure power is disconnected during repairs or adjustments on plant or machinery.
• HIV/AIDS and Other Diseases: Implement awareness programs, risk assessments, and safe operating procedures for transmittable diseases.
• Ergonomics: Conduct risk assessments and provide training for employees exposed to ergonomic risks.

Specifications

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

Document Number DWS/DBSA/TZANEEN/HSS/AR/2026/02

Groot Letaba River Water Development: Raising of Tzaneen Dam:

00 20/05/2026 F du Toit Francois du Toit For Construction

No.

Designer - ARQ Dams (Pty) Ltd 00 20/05/2026

Employer – DBSA 00 20/05/2026

Client - Department of Water and Sanitation: Republic of South Africa 00 20/05/2026

DBSA Jacob Tshiwilowilo [email protected]

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

4.1 Construction Work Permit

4.2 Structure and Organisation of OH&S Responsibilities

4.3 Communication & Liaison

4.4 OH&S File

4.5 OH&S Goals and Objectives and Arrangements for Monitoring and Review of OH&S

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

intended project and provide such specification to Contractor.

Construction of Tzaneen Dam. For the detailed scope of Work, please refer to Part C3 in the

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

Worker means any person who works in an employer’s workplace including an employee of

the employer or contractor, a self-employed person or volunteer;

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

Work Permit Number: LP-TZN-316/05/2023 was issued to Project

work permit number shall be displayed at the entrance to the Construction Site.

4.2 Structure and Organisation of OH&S Responsibilities

4.2.1. Overall Supervision and Responsibility for OH&S

• The Principal Contractor to ensure that the Sub-Contractor, is appointed in terms of

Construction Regulation 7, implements and maintains the agreed and approved

• The Chief Executive Officer of the Contractor in terms of Section 16 (1) of the Act to

ensure that his Employees (as defined in the Act) complies with the Act. Legal

• Any OH&S Act (85 /1993), Section 16 (2) appointee/s as detailed in his/her/their

respective appointment forms

• The Construction Manager, Assistant Construction Manager, Supervisor and

Assistant Construction Supervisor/s appointed in terms of Construction Regulation 8.

4.2.2 Further (Specific) Responsibilities for OH&S

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

Delegation of Duties Section 16(2)

Construction Manager Construction Regulation 8(1)

OH&S Officer (Part-Time) Construction Regulation 8(5)

Construction Supervisor Construction Regulation 8(7)

Risk Assessor Construction Regulation 9

Fall Protection Plan Developer Construction Regulation 10

Structures Supervisor/Inspector Construction Regulation 11

Temporary Works Supervisor Construction Regulation 12

Scaffold Supervisor, Erector & Inspector Construction Regulation 16

Construction Vehicle / Mobile Plant / Construction Regulation 23

Drivers / Operators of Construction Vehicles / Construction Regulation 23

Electrical Installation and Appliances Construction Regulation 24

together with the period for which the appointment is made. This information shall be

communicated and agreed with the appointees.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

4.3.3 Consultation with the workforce on OH&S matters will be through their Supervisors, OH&S

4.3.4 The Principal Contractor will be responsible for the dissemination of all relevant OH&S

information to the other Contractors e.g. design changes agreed with the Client and the

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

that must be approved by the client and the contractor will be held liable for the cost.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

4.7.3. A representative of the Principal Contractor and other Contractors must accompany the

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

progresses and each time changes are made to the designs, plans and construction methods

and processes.

4.7.5.2 The Principal Contractor must provide the Client, other Contractors and all other concerned

parties with copies of any changes, alterations or amendments.

4.8 Site Rules and other Restrictions

4.8.1 Site OH&S Rules

the Contractor’s OH&S File.

4.9.1 General Induction Training

4.9.2 Site Specific Induction Training

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

4.10.4. The Contractor is responsible for the investigation of all road traffic accidents and keeping a

record of the results of such investigations including the steps taken to prevent similar

accidents in future.

4.11 H&S Representatives

4.11.1 Designation of OH&S Representatives

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

specific project. The agreement must also indicate whether the contractor will make use of the

Principal Contractor’s First Aid facilities, if they have less than 10 persons on site or does not have their

own appointed and trained First Aider.

contractor, contact person / responsible person, contact number and scope of work. The list must be

updated on a monthly basis and as the work progress.

with the Compensation Commissioner (COIDA).

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

4. Personal Protective Equipment

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

5.2 Working at Heights – Construction Regulation 10

person, appointed in writing as per Construction Regulation 10.

• Fall protection plan developer to be competent (US 229994)
• Install, use and perform rescues from fall arrest systems (US 229995). This competency to be

obtained by at least one person who will be full-time on site (e.g. Supervisor)

• All personnel who will be conducting working at heights, will attend Working at Heights (W@H)

training

• First Aid Training – first aider to be available at hand when working at heights take place

declared fit for work at heights.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

of the harnesses and other fall protection equipment will be conducted on issue (daily) and record

kept thereof. All defective fall protection equipment must be discarded immediately.

inspector, appointed in writing. Scaffolding will be erected in accordance with SANS 10085.

demarcated to prevent employees from entering the critical work area.

5.3 Cranes & Lifting – Construction Regulation 22

assessment for the equipment

documented and recorded checklist

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

• Multiple crane lifts are lifts over operating facilities where this may endanger personnel; lifts

over power lines or lifts over water; and lifts involving personnel cages

No lifting is permitted above 90% of the maximum rated load in the specific lifting configuration

conducted prior to the lift.

phones shall not be used.

suspended. The load must be well secured and properly balanced in the sling or lifting device

representative. The OEM lifting chart shall always be used and there shall be no interpolation

between the chart listings

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

equipment.

5.4 Construction Vehicles and Mobile Plant – Construction Regulation 23

The Contractor shall ensure that drivers of motor vehicles are in possession of a driver’s license, valid

for the class of vehicle which they are required to drive, and shall produce the license on request.

influence of alcohol, drugs or other substance.

plant, certification of competency and authorization of operators to operate machinery, vehicles or

plant.

said operators before allowing operators to operate machinery, vehicles or plant.

different construction vehicles and mobile plant.

according to their design. All construction vehicles and mobile plant must be maintained in good

working order.

for each. The register shall report all maintenance activities performed on these vehicles and plant

as well as signatures certifying the condition of the vehicles as in a good working order.

inspected and certified.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

adequate steps must be taken to establish the presence of and guard against any danger to the

workers in respect to electrical cables or apparatus.

of which the handles are insulated or rubber insulated gloves.

When Distribution Boards are removed the incoming power supplies shall be cut by the client’s

authorized Electrician. The incomer electricity supply feeder shall be earthed by a suitable earth wire

or spike to prevent cable of becoming live during the installation of new Distribution Boards.

dead and the above effective measures has been taken to ensure that such cables remains dead.

locked out and the cable earthed to prevent any injury to workers by Electrical Shock.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

No person shall use or permit to use a portable electric load operating at a voltage exceeding 50V

to earth unless it is connected to a source of electrical energy incorporating an earth leakage

protection device.

signed by the responsible person. Checks shall include condition of plug top, power cord, on-off

switch and insulation condition of electric tool. All tools shall be numbered and entered accordingly

into the register. Condition of tools as listed in the register shall be inspected and signed by the

construction supervisor at regular intervals as required by the nature of the equipment.

5.6 Barricading and Demarcation

the construction area.

to persons or risk of damage to any property.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

materials stored within.

adequate and suitable fire-fighting equipment shall be provided within easy reach of the materials

stores.

controlled with access points.

5.9 Stacking and Storage on Construction Sites – Regulation 28

storage of material on site.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

5.10.2 First Aid Equipment

occur.

5.10.4 Reporting of Incidents and/or Injuries

submitted to the Site Agent and the Department of Employment and Labour within twenty four (24)

hours of the occurrence of the incident.

5.11 Fire Precautions on Construction Sites – Construction Regulation 29

place. (On vehicles and other positions as deemed necessary).

be trained in the use of firefighting equipment.

firefighting training completed with date.

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

5.12 Construction Welfare Facilities – Regulation 30

AS PER CONSTRUCTION REGULATION 5(1)(b), 2014

• Identifying the risks involved
• Evaluating these risks (evaluating in accordance with risk matrix)
• Control measures

• Tender Brief (Physical): 10 July 2026 at 11h00 at No. 1 Voortrekker Road, Tzaneen Dam (use Deer Park Road). Attendance is compulsory.
• Cut-off for tender queries: 14 July 2026 at 12h00.
• Response to queries issued: 17 July 2026 at 16h30.
• Tender submission link request deadline: 21 July 2026 at 16h30.
• Tender closing date and time: 22 July 2026 at 23h55.
• Tender offer validity period: 90 calendar days from closing.

• Procurement & Tender Officer: Noma Rakoma.
• Email for queries: [email protected].
• General enquiries: Refer to T1.1 for contact details.
• Employer: Development Bank of Southern Africa Limited, 1258 Lever Road, Headway Hill, Midrand, Gauteng, 1685. Tel: (011) 313 3911.

• Submit online via Microsoft OneDrive. Request the Tender Submission Link by 16h30 on 21 July 2026; requests after this date will not be accepted.
• Late submissions will not be considered. Telegraphic, telephonic, telex, facsimile, and emailed tenders are not accepted.
• Use only the official forms provided; do not retype or alter them.
• Submit in the required two-envelope format: Envelope 1 (Volumes 1 & 2, supporting evidence, B-BBEE certificate) and Envelope 2 (Volume 3, Price Schedule/BoQ).
• Documents must be correctly named and loaded as files (not folders). Compress folders into a zipped file before uploading.
• Once documents are uploaded, they cannot be accessed, edited, or deleted. Keep the confirmation email as proof.
• Failure to follow the prescribed format and order may render the bid invalid.
• All forms must be completed in non-erasable ink and signed by an authorised person.

• Complete Volume 1 (Tendering Procedures), Volume 2 (Returnable Documents), and Volume 3 (The Contract).
• Include supporting evidence, B-BBEE certificate, tax documents, insurance letters of intent, financial statements, and project experience proof.
• All forms must be properly completed, signed, and submitted in prescribed order.

Pre-qualifying criteria (disqualification if not met):

1. Attendance of compulsory site tender briefing.
2. Completed and signed Declaration of Default and Termination.
3. Successfully completed at least two (2) drilling and grouting dam projects in the last 10 years, each with a value greater than R8 million. Submit for each project: Letter of Appointment (showing date and value) and a letter on client's letterhead confirming successful completion.

Responsiveness criteria (must respond within 48 hours of clarification request):

• Adherence to Standard Conditions of Tender (no deviations, qualifications, or alternatives).
• Returnable documents completed and signed.
• CSD registration summary report.
• Valid SARS Tax PIN.
• Recent 2 years (3 years view) audited financial statements or statements signed by an accountant.
• SANAS B-BBEE certificate or affidavit (consolidated for JVs).
• Public Liability Insurance: letter of intent for cover of at least R5 million per claim.
• Contract Works Insurance: letter of intent for cover of contract sum plus 10%.
• Lateral Support Insurance: letter of intent.
• Performance/Construction Guarantee: letter of intent for 10% of contract sum.

Evaluation stages:

• Stage 1: Responsiveness (pre-qualifiers and responsiveness criteria).
• Stage 2: Financial Offer and Preference (80/20 or 90/10 preference point system per PPR 2022).
• Stage 3: Risk Analysis & Other Objective Criteria (e.g., tax compliance, CSD, no misrepresentation, no conflict of interest, financial health, unrealistic pricing).

Joint ventures: must be registered as a JV, all members CIDB registered in CE class, lead partner with 6 CE or higher, combined grading meets requirement, signed JV agreement, consolidated B-BBEE certificate.

• Scope: Drilling and grouting works for the Tzaneen Dam Project.
• Minimum CIDB grading required: 6 CE or higher.
• Specialisation: Not applicable for professional service.
• Local content: Not applicable (SBD6.2 not required).
• CIDB B.U.I.L.D Programme: Not applicable.
• Key personnel and plant equipment details to be provided as per returnable documents.

• Pricing format: Fixed rates and prices for contract duration, subject to adjustment as per conditions of contract.
• Price Schedule/BoQ must be fully priced; blank items may lead to disqualification.
• Financial capacity: Recent 2 years audited financial statements or statements signed by an accountant required.
• Insurance requirements: Letters of intent for Public Liability Insurance (min R5 million), Contract Works Insurance (contract sum plus 10%), Lateral Support Insurance, and Performance/Construction Guarantee (10% of contract sum).
• Financial risk assessment will check for unduly high/low rates.

• Central Supplier Database (CSD) registration mandatory; submit CSD summary report.
• Tax Compliance: Submit SARS PIN or printed Tax Compliance Status (TCS). Foreign suppliers with no RSA presence may be exempt.
• B-BBEE: Submit SANAS B-BBEE certificate or sworn affidavit (for EMEs/QSEs) to qualify for preference points. Joint ventures require consolidated certificate.
• CIDB registration: Minimum grading 6 CE or higher required. Joint ventures must be registered, with lead partner at 6 CE or higher.
• Other registrations: Workmen’s Compensation (COIDA), Unemployment Insurance Fund (UIF) may be required.
• Preferential Procurement Policy Framework Act 2000 and PPR 2022 apply.

• CSD registration mandatory for business registration, tax status, and banking details.
• Tax compliance via SARS PIN or TCS required.
• B-BBEE certificate or affidavit mandatory for preference points.
• Foreign suppliers must declare RSA presence; if none, tax compliance may not be required.
• Failure to provide required particulars may render bid invalid.

• Procurement & Tender Officer: Noma Rakoma.
• Email: [email protected].
• General enquiries: Refer to T1.1.

• Appointment of a Contractor for drilling and grouting works for the Tzaneen Dam Project.
• The works are to be executed under the management of the Main Contractor (DWS Construction North (Pty) Ltd) and supervised by the Employer’s Agent.

• Employer: Development Bank of Southern Africa Limited
• Employer Address: 1258 Lever Road, Headway Hill, Midrand, Gauteng Province
• Employer’s Agent details are provided in the Contract Data (not included in this excerpt).
• The Client is the Department of Water and Sanitation, which appointed the Employer as its agent.
• Main Contractor: DWS Construction North (Pty) Ltd, appointed by the Client for the construction of Tzaneen Dam.

• Submit the complete tender document as a whole; do not take apart or alter any part.
• Complete all forms in black ink as required.
• Required returnable documents include: C1.1 Form of Offer and Acceptance (5 pages), C2.2 Bill of Quantities (31 pages), C2.3 Amendments, Qualifications & Alternatives (32 pages).
• The tender document must be submitted as a whole; failure to submit properly completed forms or the full document may result in disqualification.
• Any cover letter must be referenced in the Schedule of Deviations to be valid as part of the submission.
• The offer must state the total price inclusive of VAT in words and figures.
• The offer is valid for the period stated in the tender data.
• The tenderer must deliver the security (performance guarantee) within the period stated in the Contract Data, and other bonds, guarantees, proof of insurance and documentation within 14 days of the Agreement coming into effect.
• Failure to fulfil these obligations constitutes repudiation of the Agreement.

• The tender document must be submitted as a whole; do not take apart or alter any part.
• All forms must be completed in black ink as required.
• Required returnable documents include: C1.1 Form of Offer and Acceptance (5 pages), C2.2 Bill of Quantities (31 pages), C2.3 Amendments, Qualifications & Alternatives (32 pages).
• The document shall not be altered in any way whatsoever.
• The General Conditions of Contract for Construction Works, Third Edition, 2015, issued by the South African Institution of Civil Engineering (including amendments) apply.

• The provided document (Volume 3: The Contract) does not contain specific evaluation criteria, pre-qualification, or eligibility requirements (e.g., CIDB grading, B-BBEE level, financial statements).
• These details are typically found in the Tender Data (Part B) and Invitation to Tender (Part A) volumes, which are not included in this excerpt.
• Refer to the complete tender documentation for all evaluation and eligibility requirements.
• The contract will be awarded based on the terms and conditions set out in the Contract Data and the GCC 2015.

• Scope: Drilling and grouting works for the Tzaneen Dam Project.
• The Contractor is appointed to execute the Works for and on behalf of the Main Contractor (DWS Construction North (Pty) Ltd) as set out in Part C3: Scope of Work.
• The Contractor must execute the Works under the management and supervision of the Main Contractor, subject to monitoring, inspection, and approval by the Employer’s Agent.
• The Contractor must take instructions only from the Main Contractor or the Employer’s Agent (or their authorised representatives).
• If an instruction from the Main Contractor would result in a variation to the Works or Prices, the Contractor must notify the Employer’s Agent prior to implementation and must not proceed without written authorisation.
• The Contractor must comply with the Employer’s Agent’s instructions and co-operate with the Main Contractor.
• In case of conflict between instructions from the Employer’s Agent and the Main Contractor, the Contractor must seek written clarification from the Employer’s Agent and act accordingly.
• The Contractor is responsible for setting out the Works, including correctness of position, levels, dimensions, and alignment, and must protect all benchmarks and pegs.
• The Contractor must proceed with the Works with due expedition and without delay.
• The Contractor must align its initial programme with the Main Contractor before commencing.
• The Contractor must monitor and report progress in accordance with the Progress Reporting Requirements (Appendix 3).
• The Contractor must comply with all applicable laws, regulations, and the Contract, including health and safety obligations.

• The Contractor must take instructions only from the Main Contractor or the Employer’s Agent.
• Any instruction from the Main Contractor that results in a variation to the Works or Prices must be notified to the Employer’s Agent and requires written authorisation.
• The Contractor must execute the Works under the management and supervision of the Main Contractor, subject to monitoring, inspection, and approval by the Employer’s Agent.
• The Contractor is responsible for the correctness of setting out, including position, levels, dimensions, and alignment.
• The Contractor must comply with all specifications and standards as set out in the Scope of Work and Project Specifications.

• Pricing data includes: C2.1 Pricing Instructions, C2.2 Bill of Quantities, C2.3 Amendments, Qualifications & Alternatives.
• The Contractor must ensure rates and prices cover all obligations and matters necessary for the proper completion of the Works.
• The Contractor must issue invoices to the Employer for amounts due.
• Payments are made via electronic transfer to the Contractor’s designated account.
• Payment periods are 30 days, subject to compliance with the Invoice Procedure.
• The Performance Guarantee reduces by half at Practical Completion and lapses at Final Approval Certificate.

• Pricing data includes: C2.1 Pricing Instructions, C2.2 Bill of Quantities, C2.3 Amendments, Qualifications & Alternatives.
• The offered total of prices must be inclusive of VAT, stated in words and figures.
• The Contractor must ensure that rates and prices cover all obligations and matters necessary for the proper completion of the Works.
• Performance Guarantee: Required in terms of Clause 6.2 of GCC 2015, to be delivered within the period stated in the Contract Data.
• Additional bonds, guarantees, proof of insurance, and other documentation must be provided within 14 days of the Agreement coming into effect; failure constitutes repudiation.
• Payment terms: Payment certificates will not be issued until the Contractor furnishes a detailed programme as per Clause 5.6.1; payment is suspended if the Contractor defaults on programme obligations.
• Payment periods are 30 days, subject to the Contractor submitting a valid tax invoice and complying with the Invoice Procedure.
• Payments are made via electronic transfer to the Contractor’s designated account.
• The Performance Guarantee reduces by half at Practical Completion and lapses at Final Approval Certificate.
• Prime Rate is defined as the publicly quoted rate certified by Standard Bank of South Africa Limited.
• Interest on delayed payments is calculated at the Prime Rate.

• The Contract is governed by the General Conditions of Contract for Construction Works (GCC 2015), Third Edition, 2015, issued by the South African Institution of Civil Engineering, with amendments and Special Conditions.
• The Contractor must comply with the Occupational Health and Safety Act and the Construction Regulations 2014.
• The Employer appoints the Contractor as the “Principal Contractor” under the Construction Regulations 2014; the Contractor is solely responsible for all health and safety obligations.
• The Contractor must adhere to the Employer’s health and safety specifications as set out in Annexures A, B, and C (Baseline Risk Assessment and Health and Safety Specifications).
• The Contractor must ensure all subcontractors, employees, and others under their control comply with applicable laws and regulations.
• The Contractor must provide sufficient information to comply with Section 37(2) of the OHSA.
• The Contractor must indemnify the Employer against any loss, damage, or claim due to non-compliance with health and safety provisions.
• The Contractor must notify the Employer’s Agent immediately of any inquiries, audits, reports, investigations, complaints, or criminal charges related to the Works.
• The Employer and Employer’s Agent have the right to access and inspect the site and all documents for 5 years after final completion.
• The Contractor must comply with the Prevention and Combating of Corrupt Activities Act; corrupt acts or collusive practices are grounds for termination.
• The Contractor must not engage in collusive practices, including price fixing, market division, or collusive tendering.
• The Contractor must comply with all applicable laws, regulations, and labour practices.
• The Contractor must obtain all necessary consents for subcontracting and ensure subcontracts include provisions for Employer access and assignment.

• The Contractor is appointed as the Principal Contractor under the Construction Regulations 2014 and is solely responsible for all health and safety obligations.
• Must comply with the Occupational Health and Safety Act and Construction Regulations 2014.
• Must adhere to the Employer’s health and safety specifications (Annexures A, B, and C).
• Must ensure all subcontractors, employees, and others under their control comply with applicable laws.
• Must indemnify the Employer against any loss, damage, or claim due to non-compliance.
• Must provide sufficient information to comply with Section 37(2) of the OHSA.
• The Employer’s Agent acts as the Employer’s Agent under the Construction Regulations.
• Must notify the Employer’s Agent of any inquiries, audits, reports, or incidents related to health and safety.
• The Employer retains the right to inspect, review, and obtain copies of all health and safety documents and reports.
• The Contractor must liaise with the Employer and Employer’s Agent on all health and safety issues.

• The Contract is formed by the Form of Offer and Acceptance, which includes the offer and acceptance sections.
• The offer must state the total price inclusive of VAT in words and figures.
• The offer may be accepted by the Employer by signing the acceptance part and returning one copy to the Tenderer before the end of the validity period.
• The Contract comes into effect when the Tenderer receives a fully completed original copy of the Agreement, including the Schedule of Deviations (if any).
• The Tenderer must notify the Employer in writing within five days if it cannot accept the contents of the Agreement.
• Any deviations from the tender documents must be recorded in the Schedule of Deviations; no other deviations are valid.
• The covering letter will not necessarily be included in the final contract document.
• The Contract Data and Special Conditions take precedence over the GCC 2015.
• The Employer may cede and delegate its rights to a Related Party or Client.
• The Contractor must comply with all obligations under the Contract, including health and safety.
• The Employer may terminate for convenience, insolvency, corrupt acts, or collusive practices.
• The Contractor may subcontract part of the Works but not all.
• Payment is suspended if the Contractor fails to furnish a detailed programme or defaults on programme obligations.
• The Contractor must indemnify the Employer for invalid claims under the Performance Guarantee.
• Extensions of time for abnormal rainfall are calculated using a specified formula.
• Only delays to critical path activities will found claims for extension of time; no extension for concurrent delays or events attributable to the Contractor.
• Claims for dissatisfaction must be submitted within 28 days of the cause.
• Adjudication decisions are binding unless revised by arbitration or court judgment.
• The Contractor must provide all required goods, information, materials, and documents to achieve completion.

• The works involve drilling and grouting for the Tzaneen Dam project to form a seepage control curtain, provide drainage, grout joints, and recover cores for quality control.
• Supporting literature references ANCOLD bulletins and a Grouting Manual as good practice guides.

• Evaluation will consider the contractor's submitted experience, qualifications, equipment details, and proposed methods.
• Contractor must either employ an approved specialist subcontractor for drilling and grouting OR demonstrate sufficient experience in this type of work with appropriate staff and equipment.
• Supervisors and operators require prior approval from the Engineer; information must be submitted at least one month before start.
• Full details of proposed equipment and method must be submitted for Engineer approval at least two weeks before work commences.
• No explicit scoring matrix or preference points are stated in the document.

• Scope: exploratory drilling, pressure grouting for seepage control, drainage, joint grouting, and core recovery for the Tzaneen Dam foundation.
• Works include: rotary core drilling, percussion/rotary drilling for grouting, water testing, pressure grouting (curtain, consolidation, cavity, contact), stemming holes, and clean-up.
• Grout materials must comply with specified standards: cement (CEM I Class 42.5N/52.5N to SANS 50197-1), fly ash, condensed silica fume, sand, water, bentonite, and approved admixtures.
• Equipment must be approved: drilling rigs (percussion, rotary core, rotary), grouting pumps, colloidal mixers, tanks, pressure gauges, chart recorders, packers, and communication systems.
• Drilling procedures: holes must be within 250mm of specified position, within 2% directional tolerance, and to within 0.3m of specified depth. No blasting within 100m of completed grout holes.
• Water pressure testing (abbreviated and comprehensive) is required in grout holes as directed.
• Grouting methods: curtain grouting typically in stages (pre-stage, 5m increments) using split-spacing from 8m down to 1m. Four trial panels (16m x 12m each) required.
• Strict quality control: routine tests (density, viscosity, bleeding) at hole collar; grout cube sampling and testing per SANS 5862/5863.
• Environmental protection: all wash water and waste grout must be disposed of via approved settlement ponds/tanks; no pollution allowed.

• For second stage concrete grouting, use pre-placed manchette pipes; submit Method Statement 7 days prior for approval.
• Note voids during drilling; for large voids, Engineer may require air release holes and bleed-pipes.
• Contact grouting of embedded steelwork only after all other grouting is complete, holes stemmed, and concrete at least 28 days old.

• Contractor must employ an approved specialist subcontractor unless they can satisfy the Engineer of direct experience and possess necessary staff/equipment.
• Drilling/grouting must be performed by competent, experienced operators under direct supervision of experienced foremen.
• Experience/qualifications of supervisors and operators subject to Engineer's prior approval; information submitted at least one month before start.
• Full details of proposed equipment and method must be submitted for Engineer approval at least two weeks before work commences.
• Procedures approved/agreed must be strictly followed; accurate records must be kept.
• Programme work to separate drilling and grouting times/shifts for communication; if not possible, install sound-absorbent partition.

• Detailed definitions of grouting types: cavity, consolidation, cut-off, contact, curtain, and drainage.
• Purpose: form seepage curtain, relieve uplift pressure, grout joints for monolithic arches, recover cores for quality control.
• Referenced good practice documents: ANCOLD Bulletins 47, 48, 50 and Grouting Manual (4th Ed, NSW).
• Extensive specifications for materials, testing, equipment, drilling procedures, water pressure testing, and grouting methods to ensure quality.

• Payment based on schedule of quantities/rates for items like: setting up equipment, drilling (by type/depth/inclination), re-drilling, water tests, cavity/contact/curtain/consolidation grouting, materials (cement, fly ash, CSF, bentonite, sand), additives (provisional sum), casings, core recovery, check holes, sleeve pipes, records, backfilling, flushing systems, pipes/channels, re-establishment on site, and joint grouting.
• No payment for lost holes unless Engineer deems purpose achieved.
• No payment for wasted grout or grout lost due to contractor error.
• Records cost included in work item rates.
• Provisional quantities for some items (e.g., re-establishment on site).

• Payment is based on a schedule of rates/quantities for measured items.
• Items include: setting up equipment, drilling (percussion, rotary core, rotary), re-drilling, water pressure tests, cavity grouting, contact grouting, curtain/consolidation grouting, grouting materials, additives, casings, core recovery, check holes, sleeve pipes, records, backfilling, flushing systems, pipes/channels, and joint grouting.
• No separate payment for providing records (cost included in work item rates).
• No payment for lost holes unless the Engineer deems the purpose achieved.
• No payment for wasted grout (not injected within 2 hours) or grout lost due to contractor error.
• Provisional sums are included for grouting additives and re-establishment on site for joint grouting.

• Materials must comply with referenced standards: SANS 50197-1 (cementitious), SANS 5862/5863 (sampling/testing), SANS 1200 (storage), ASTM C-494/AASHO M-154/BS 5075 (admixtures).
• All cementitious materials must be from approved sources, stored properly (dry, ventilated, off ground).
• Contractor must employ an approved specialist subcontractor unless they can demonstrate direct experience and possess necessary staff/equipment.
• No specific B-BBEE, tax, CIDB, or CSD requirements stated in the extracted document sections.

• Storage and handling: cementitious materials must be kept covered, dry, and off the ground to prevent deterioration.
• Specific testing procedures mandated: flow-cone test for viscosity, bleeding test, cube tests for strength.
• Equipment must be approved, maintained, and suitable for underground/tunnel use; internal combustion engines prohibited in tunnels/galleries.
• Core handling: boxes must be robust, watertight; cores photographed; careful handling to prevent damage.
• Drilling safety: no rod lubricants/additives without approval; holes protected from damage; unstable holes stabilized.
• Grouting safety: monitor for rock movement/uplift; stop if leaks excessive; use packers to isolate stages; attach safety cable to packers.
• Pressure control: avoid sudden increases; do not exceed max pressure to prevent damage.
• Communication: effective oral communication system required between injection point and plant.

• Contractor must provide adequate disposal of all wash water and waste grout via approved settlement ponds/tanks.
• No contamination of fill, backfill, works, or watercourses allowed.
• Contractor must take all steps to prevent pollution and propose methods for handling grout spillage (subject to Engineer approval).
• Grout not used within two hours must be disposed of; no payment for wasted grout.
• Trial panels (four, each 16m x 12m) required ahead of main grouting.

• Materials must comply with Section 14 - Concrete and additional specifications.
• Cement must be CEM I Class 42.5N/52.5N (OPC/RHC) to SANS 50197-1 with specific fineness and alkali content limits.
• The Engineer designates areas for trial panels.

• Evaluation will consider the contractor's submitted experience, qualifications, equipment details, and proposed methods.
• Key definitions provided for grouting stages and pressures, but no explicit scoring matrix or preference points are stated.

The project is the raising of Tzaneen Dam, part of the Groot Letaba River Water Development Project (GLeWaP) to enhance water resources for the Mopani District, Limpopo. It is being developed by the Department of Water and Sanitation (DWS) through implementation agent Lepelle Northern Water, in tandem with construction of the new Nwamitwa Dam. The dam raising aims to increase assurance of yield.

Project Manager: Cobus Nienaber ([email protected]). SHEQ Specialist: Cindie Venter ([email protected]). Construction Project Manager: Jacob Tshiwilowilo ([email protected]). Designers: ARQ (Pty) Ltd, Henry-John Wright ([email protected]). Pr. CHSA SHE Group: Francois du Toit ([email protected]). Can. CHSA SHE Group: Ernie Pieterse ([email protected]).

While explicit commercial eligibility criteria (e.g., B-BBEE, CIDB rating) are not stated in this BLRA document, contractors must demonstrably meet the following operational/safety criteria to be considered capable: 1. Proven ability to implement and manage the extensive health and safety controls outlined. 2. Access to and competence in using the required specialized equipment (drill rigs, cranes, concrete pumps). 3. Employment of personnel with verified competencies and medical fitness for the tasks. 4. A history of compliance with OHS Act and Construction Regulations. 5. Ability to conduct detailed task-specific risk assessments and integrate them into work methods.

The project involves raising Tzaneen Dam by 3m to increase gross storage from 157.3 million m³ to 193 million m³. Key works include: demolition of approximately 4m of concrete from the existing Ogee crest; construction of a reinforced concrete labyrinth to a new crest elevation of RL 726.99m; raising of concrete NOC tongue wall sections; modifying the inlet works control house for impermeability; raising and strengthening embankment NOCs to RL 732.3m; and revising energy dissipation measures. The dam is a concrete gravity spillway with earthfill embankments, located on the Groot Letaba River upstream of Tzaneen, Limpopo. It was completed in 1977, is classified as Category III (Large size, High hazard potential), and registered under Dam Safety Legislation.

The project is the raising of Tzaneen Dam, part of the Groot Letaba River Water Development Project (GLeWaP) to enhance water resources for the Mopani District, Limpopo. It is being developed by the Department of Water and Sanitation (DWS) through implementation agent Lepelle Northern Water, in tandem with construction of the new Nwamitwa Dam. The dam raising aims to increase assurance of yield.

Maintain high standards of housekeeping and appoint a stacking and storage supervisor. Conduct monthly inspections on stacking and storing. Ensure competent/registered electricians conduct temporary electrical installations and issue Electrical Certificates of Compliance (COC). Conduct pre-start inspections, ensure good operator visibility, adhere to speed limits, provide proper supervision, and use water trucks for dust suppression. For lifting operations: ensure cranes are load tested, conduct daily pre-start inspections, and only allow competent operators. For drilling: conduct visual inspections, use drip trays and spill kits, adhere to maintenance schedules, and use only certified competent operators. Inspect equipment monthly and report deviations. Erect scaffolding in accordance with SANS 10085, conduct daily inspections by a competent person, and ensure safety harnesses are worn and in good condition. For welding: ensure flashback arrestors are fitted, conduct task-specific training, issue welding helmets and correct PPE, and conduct monthly inspections on welding machines.

The risk assessment considers environmental impact as part of the consequence evaluation, where events may cause environmental impact.

Maintain high standards of housekeeping and appoint a stacking and storage supervisor. Conduct monthly inspections on stacking and storing. Ensure competent/registered electricians conduct temporary electrical installations and issue Electrical Certificates of Compliance (COC). Conduct pre-start inspections, ensure good operator visibility, adhere to speed limits, provide proper supervision, and use water trucks for dust suppression. For lifting operations: ensure cranes are load tested, conduct daily pre-start inspections, and only allow competent operators. For drilling: conduct visual inspections, use drip trays and spill kits, adhere to maintenance schedules, and use only certified competent operators. Inspect equipment monthly and report deviations. Erect scaffolding in accordance with SANS 10085, conduct daily inspections by a competent person, and ensure safety harnesses are worn and in good condition. For welding: ensure flashback arrestors are fitted, conduct task-specific training, issue welding helmets and correct PPE, and conduct monthly inspections on welding machines.

The contractor must comply with Occupational Health and Safety Act requirements, including conducting baseline risk assessments. Key compliance points: ensure all responsible personnel submit CVs and have legal appointment letters signed prior to work commencement; verify competencies; conduct occupational medicals before work starts; provide site-specific induction training; appoint a Risk Assessor with a HIRA certificate; implement task-specific risk assessments; maintain attendance registers; use method statements/Safe Operating Procedures; ensure all contractors develop effective controls for high and critical risk scenarios; and communicate the Baseline Risk Assessment to all construction partners.

The contractor must manage legal liability risks. Key requirements: ensure legal appointment letters are signed prior to work commencement; verify competencies; refer to design drawings for underground services; plan work to avoid overhead power lines; use pre-start checklists; appoint competent, medically fit operators; supervise work; use banksmen/spotters; appoint a Demolition Work Supervisor; ensure no person works in an area not declared safe; and have a watchman present during demolition by machinery.

This is a Baseline Risk Assessment prepared per Construction Regulation 5(1)(a) of the Occupational Health and Safety Act. The objective is to identify and categorise hazards associated with tasks during different work categories to assist management in eliminating, minimising, or controlling risks. The assessment must be reviewed periodically (about every year, after incidents, or changes in workforce/equipment). The risk analysis method includes describing tasks, evaluating probability and severity of risks, and evaluating controls. Risk levels are defined: Low (1-6), Medium (7-15), High (16-25). Consequence ratings range from medical treatment only (1) to fatality/permanent disability (5). Probability ratings range from very unlikely (1) to common occurrence (5). High-risk activities require immediate attention; training is often a solution. The hierarchy of control must be applied. Basic PPE required: hard hat, overalls, ear protection, dust mask, safety vest, safety glasses, safety footwear, gloves, fall protection equipment. References required: method statement, SDS, planned task observation, safe work procedure, work instruction, transmittable disease control, daily safety task instruction. Specific control measures are listed for numerous activities including project mobilization, site establishment, vehicle operations, excavations, lifting, drilling, concrete works, scaffolding, working at heights, handling hazardous chemical agents, hot work, electrical works, working near water, brickwork, demolition, and site demobilization.

AS PER CONSTRUCTION REGULATION 5(1)(a), 2014

Document Number DWS/DBSA/TZANEEN/BLRA/2023/01

Project Name Groot Letaba River Water Development: Raising of Tzaneen Dam

Revision Number Rev 03

Rev 01 11/03/2023 Francois du Toit Francois du Toit For Construction

Rev 02 15/01/2025 Francois du Toit Francois du Toit As per legal requirements

Rev 03 20/05/2026 Francois du Toit Francois du Toit Procurement: Specialised Contractors

No.

Designer - ARQ Dams (Pty) Ltd 03 20/05/2026

Employer – DBSA 03 20/05/2026

Client - Department of Water and Sanitation: Republic of South Africa 03 20/05/2026

DBSA Jacob Tshiwilowilo [email protected]

associated with performing tasks during different work categories.

associated with the tasks performed or exposure to the working environment.

(DWS) through its implementation agent, Lepelle Northern Water, in tandem with the

construction of the new Nwamitwa Dam and as part of the Groot Letaba River Water

Development Project (GLeWaP) to increase the assurance of yield and to enhance the water

resources of the Groot Letaba River in serving the needs of the Mopani District of eastern

2.1 Description of the Dam

The construction of Tzaneen Dam was completed in 1977 and the dam comprises a concrete

gravity spillway section flanked with zoned earthfill embankments, as illustrated on the as-

Built drawings in Volume 4. The existing spillway is an uncontrolled ogee type, with a crest

length of 91,44 m (at FSL 723,90 m), while the total dam crest length is 1 140 m.

• Demolition of approximately 4 m of concrete from the top of the existing Ogee crest;
• The construction of a reinforced concrete labyrinth on the lowered gravity section to a new crest

elevation of RL 726,99 m (raised 3 m);

• Raising of the concrete NOC tongue wall sections;
• Changing the brickwork construction of the inlet works control house to allow impermeability for

an additional 3 m water depth; and

• Raising and strengthening the embankment NOCs to an elevation of RL 732,3 m (2,4 m); and
• Revision of the energy dissipation measures to form an impact slab more suited to the discharge

pattern of a labyrinth spillway.

preceded the actual raising construction contract. These include:

• Stockpiling approximately 20 000 m3 of material to be used in the raising of the embankment

portion of the dam.

• Demolition of the top 4 m of the dam crest.
• Construction of Access Road

Fatality or permanent disability - 5

Major Injury - 4

Average lost time injury - 3

Minor Injury - 2

Medical treatment only or less - 1

will, in most instances, solve the problem satisfactorily.

against the sacrifice needed to implement the measures necessary to

be implemented unless it can be shown that the sacrifice is grossly

disproportionate to the benefit.

Critical Controls consequence of an event (if removed, they will significantly impact the

risk rating).

particular interval of time. Events involve releases or manifestations of, or

includes the nature, magnitude, and potential consequences as well as

relevant "target" or impact characteristics, potential timeframes,

pathways or mechanisms of its manifestation and residual harm. Also,

understanding sources of harm to the community may require

recognition of incentives.

• F du Toit - Pr. CHSA
• EF Pieterse - Risk Assessor
• Dr Quentin Shaw (ARQ Dams) - Designers

the scope of activities for the Project.

Department of water and sanitation: republic of south africa

GROOT LETABA RIVER WATER DEVELOPMENT PROJECT (GLeWaP): RAISING OF TZANEEN DAM

Scope of Work (logical steps on how task will be performed) X X

Procedures: (WI / SOP / Vendor Spec) X X

Special permits required (specify) X X Construction Work Permit issued by DoEL: LP – TZN-316/05/2023

Equipment / Tool Registers / Others (specify) X X

3 2 6

• Company substance abuse /

alcohol policy to be available and

while transporting machinery

implemented by communicating

and equipment to site

Serious Injuries or Fatalities 3 5 15 the policy to all employees.

establishment area

• Camp area to be fenced off to

Pedestrians passing by 3 5 15

and machinery

• Unauthorised and general warning

signs to be displayed.

• Project program to be compiled to

Project interruption 3 3 9

machinery equipment to be left unattended.

• Security to be implemented.

• Special arrangements to be made

1 for abnormal loads.

Establishment Abnormal load Accident 2 5 10

• Abnormal load signage to be

displayed on trucks if applicable.

• Valid driver’s licence of driver.

Containers placed on uneven

• Containers / offices to be placed

Property damage 2 3 6

surfaces on level surface.

Setting up Camp &

• Lifting equipment to be load

• Load test certificates to be

available.

• Lifting equipment to be placed on

installations.

installation

• Electrical COC to be issued and

Installation of Temporary Electrocution 3 5 15 kept on H&S file

• Temporary electrical installations

to be done on exact location

Incorrect location / layout plan Financial loss 3 3 9

escape routes are Serious injuries (3rd degree burns) fire fighters to ensure all personnel Fire occurring 3 4 12

• Task specific training

• Drivers/Operators authorised,

competent and medically fit

Incompetent person operating 3 5 15

• Prestart checklist Incident / Accident / Fatality

• Dust suppression Driving / Operating Driving/Operating Hitting other plant or road users /

• Vehicles and plant conforming to

• Operator/driver authorised,

competent and medically fit

Warning devices on vehicles not Incident / accidents 3 3 9

• Supervision

working

• Driver must adhere to the speed

limits on site

• Only authorised drivers to operate

Project interruption 3 4 12 vehicle.

• Adherence to speeds limits

5 and bringing new to site and bringing new

• Proper communication between Fatalities 3 5 15

• Supervision

Dust Eye and respiratory irritation 3 4 12

• Traffic controlled
• Identify underground services

Financial Loss 3 3 9

• Location of underground services

to be communicated to all

Employees standing too close to

• Employees to stand clear of

bucket of machine causing 3 4 12

machinery machinery in operation

serious injury

• Operators to undergo

occupational medical

surveillance.

• Occupational Medical

Incompetent / unfit operator Accident-causing fatality 3 5 15

• Operator competency to be

available

Trenching / Excavate by

• Identify underground services

Machinery Financial Loss 3 4 12

• Location of underground

Trenches / services to be communicated to 8

• Excavation work to take place

Project Interruption 3 4 12 only as per approved permit /

instruction

• Ground stability to be tested in

case of deep excavations

Collapse of trench / excavation

• Excavated material to be

edge / placing excavated 4 5 20

(sides caving in) placed away from excavation

material next to excavation

edge

• Operator to be competent

• Crane / Truck-mounted crane

operator to be competent in the

Incident / Accident 3 4 12

medically fit to operate surveillance. Medical certificates

and Annexure 3 to be placed on

Operation

• Crane to be load tested.

mounted crane

displayed on Crane. Outriggers

Crane toppling over 3 5 15 of crane to be placed in order to

capacity

keep crane steady. Crane spec

to be available for reference

purposes.

• Lifting equipment to be load

tested. Load test certificates to

be available. Lifting equipment

to be placed on register and

Load falling on employees 4 5 20 inspected on a monthly basis.

causing falling objects

• Task specific training to be provided

to employees.

Temporary works material. Improper manual lifting Injuries 3 2 6

• Ergonomically risks being taken into

material techniques

account

11 Temporary Works Temporary Works collapsing 3 5 15

• Temporary Works to be erected in

accordance with SANS

Serious injuries or fatalities 3 5 15

Drilling resulting into injury to Single Fatality C 5 19

Moving Rotary Core Setting up rig into a

• Plan Task Observation to be employees

• Rig operator to warn people in the

prevent them from falling over

Fatality 3 5 15

edge

• All openings to be covered.

Major injuries (fractures), etc. 3 3 9

• Employees working near

Incorrect handling Skin irritation 2 3 6

• SDS’s to be available
• SDS’s to be communicated to all

Handling Exposed to HCA Occupational Illness or Disease 3 4 12

employees handling HCA

• Task specific training

Not trained to work with HCA Occupational Illness or Disease 3 4 12

Incorrect storage of gas cylinders 3 4 12 To be stored in a designated

gas

area. Gas cylinders to be

chained.

• Task specific training to be

conducted on employees

conducting hot works.

• Competent First aider and box to

19 Hot Work Gas Welding & Cutting Hot surfaces Burns 3 3 9

be readily available on site.

• Employees to wear the relevant

• Gas welding equipment to be in

accordance with requirements.

No flashback arrestors Explosion 4 5 20

• Flashback arrestors to be fitted

to gas welding and cutting

equipment

• Task specific training to be

conducted.

Incident / Accident 3 3 9

• Competency to be available

electrical installation work

Project interruption 4 5 20

• Occupational medical to be

electrical installations

available

• Electrical source to be isolated

when conducting installation Exposure to live electricity Electrocution 4 5 20

work

• Competent and registered

electricity to existing

electrician to conduct the

systems

• Electrical equipment may not be

used in wet areas or wet

areas or outside in wet Electrocution 4 5 20

conditions

conditions

• Task specific training

• Competent and registered

electrician to conduct the

Overloaded power-points Fire risk 3 4 12 electrical installation work

• Fire equipment to be readily

• Competent and registered equipment and whilst using

electrician to conduct the portable electrical equipment

Fire Risk 3 4 12 electrical installation work

• Fire equipment to be readily

available

• Electrical source to be isolated
• Competent and registered

electrician to conduct the

Electrocution 4 5 20

electrical installation work

• Occupational medical to be

available

• Employees to be made aware of

Electrical Work Electrocution 4 5 20 electrical plugs, etc.

installing plugs, light fittings, etc.

• To be done by a competent

electrician

Construction of

• Employees conducting plumbing

them from falling over platform

Fatality 3 5 15 edge

Major injuries (fractures), etc. 3 3 9

• All openings to be covered.
• Employees working on structure to

Incident / Accident 3 4 12

medically fit to operate

• Lifting Permit to be issued and

4 5 20 Complied with

capacity damage to existing structures Construction of Dam Tower Cranes

• Rigging study to be done and

Structure Operation (Lifting) signed off by Competent Person

Defective equipment used to Load falling on employees 4 5 20

• Supervision

causing objects to fall

• Task Specific Training

Objects not correctly hooked 4 5 20

falling loads / objects

Occupational

• Noise Survey to be conducted by

• Medical surveillance

• Supervision

• Maintenance

Occupational Vibration 2 4 8

• Vibration survey to

machinery. Shortage of workers to lift heavy

• Demolition area to be barricaded materials

Serious back injuries 3 4 12

heights

Electrocution 3 3 9

potable electrical equipment

transmittable disease

Property damage 3 2 6

• Competent / registered

electrician to conduct the

This is a Baseline Risk Assessment prepared per Construction Regulation 5(1)(a) of the Occupational Health and Safety Act. The objective is to identify and categorise hazards associated with tasks during different work categories to assist management in eliminating, minimising, or controlling risks. The assessment must be reviewed periodically (about every year, after incidents, or changes in workforce/equipment). The risk analysis method includes describing tasks, evaluating probability and severity of risks, and evaluating controls. Risk levels are defined: Low (1-6), Medium (7-15), High (16-25). Consequence ratings range from medical treatment only (1) to fatality/permanent disability (5). Probability ratings range from very unlikely (1) to common occurrence (5). High-risk activities require immediate attention; training is often a solution. The hierarchy of control must be applied. Basic PPE required: hard hat, overalls, ear protection, dust mask, safety vest, safety glasses, safety footwear, gloves, fall protection equipment. References required: method statement, SDS, planned task observation, safe work procedure, work instruction, transmittable disease control, daily safety task instruction. Specific control measures are listed for numerous activities including project mobilization, site establishment, vehicle operations, excavations, lifting, drilling, concrete works, scaffolding, working at heights, handling hazardous chemical agents, hot work, electrical works, working near water, brickwork, demolition, and site demobilization.

The risk assessment considers environmental impact as part of the consequence evaluation, where events may cause environmental impact.

The contractor must manage legal liability risks. Key requirements: ensure legal appointment letters are signed prior to work commencement; verify competencies; refer to design drawings for underground services; plan work to avoid overhead power lines; use pre-start checklists; appoint competent, medically fit operators; supervise work; use banksmen/spotters; appoint a Demolition Work Supervisor; ensure no person works in an area not declared safe; and have a watchman present during demolition by machinery.

The evaluation of results will assist management to eliminate, minimise or control risks to workers.