Construction of bulk water supply at blyde river canyon nature reserve – potholes (CIDB grade 5ME/CE required)

Client: Mpumalanga Tourism and Parks Agency, Hall's Gateway on the N4 National Highway, Mbombela, Mpumalanga, 1200. Tel: (013) 065 0865.

Consultant: AMCE Consulting Engineers, AM House, 20 Bavaria Avenue, Midrand, Johannesburg, South Africa, 1685. Tel: +27 (0) 11 312 1569, Fax: +27 (0) 11 312 1571. Website: www.amce.co.za.

Design Team: Designed by M. Mofokeng, Drawn by R. Kelsey, Approved by M. Tsoai Pr Eng.:20160198.

Returnable Documents:

• All material and workmanship must comply with the latest relevant SANS standards.
• All dimensions are in mm unless otherwise specified.
• Do not scale from these drawings; all dimensions must be checked and approved on site.
• All construction must be done in accordance with the Standard Specifications for Municipal Civil Engineering Works, Third Edition 2005 and the Standard COT Detail Drawings.
• This drawing must be read in conjunction with the standard drawings (if applicable) and the Standard Specifications for Municipal Civil Engineering Works, Series 4.
• The signature or initials on this drawing of any director of the Water and Sanitation Department does not remove any responsibility from the consultant.
• The consultant remains responsible to ensure all guidelines, standard drawings, standards and specifications of the Water and Sanitation Department are met and complied with.
• Final position of services to be determined on site.
• All ambiguities on drawings must be reported to the design engineer before commencing construction.
• Drawings are schematic representations and must not be scaled.
• Drawings are property of AMCE Consulting Engineers and may not be copied or reproduced without written permission.

Document does not explicitly state CIDB grading, financial thresholds, or specific eligibility criteria. Typically for such bulk water infrastructure, CIDB Grade 7-8 CE or higher would be required. Applicants must demonstrate experience in pipeline construction, pump stations, river crossings, and concrete reservoir works. Must comply with OHSAS 18001/ISO 45001, provide construction guarantees, and have capacity for multi-disciplinary civil/electrical/mechanical works.

Scope: Provision of designs, development of bill of quantity and supervision service for bulk water supply at Blyde River Canyon Nature Reserve - Potholes.

Pipeline Network:

• Nodes W1 to W61, pump stations, reservoirs, river crossings (Blyde River, Treur River).
• Pipeline specifications: 110mm-125mm HDPE Class 10, 50mm-125mm galvanised steel, 125mm HDPE pipeline.

Typical Details:

• Air valve chambers: 1500mm Ø concrete manhole, 600mm Ø manhole.
• Scour valve chambers: 500mm Ø manhole cover, 125mm HDPE Class 10 pipeline.
• Ditch crossings: Type A (no rock in bed of watercourse), Type B (rock in bed of watercourse).
• Thrust blocks for 22.5°, 45°, 90° bends, tees, dead ends, and puddle flanges.
• Reinforcement details: Y10@200, Y12@200, Y12@150 with 75mm cover.
• Concrete Class 25MPa/19mm.

Intake Tank Arrangement:

• 3.6m x 3.6m steel tank, pump station building, inlet/outlet chambers, overflow pipe.
• Brickwork: double brick wall, garden wall bond and cap, brick force every fourth layer.
• Foundation design to be determined by structural engineer.

Electrical, Wet Services and Fire Services:

• Fuel tanks (FP-01, FP-02), pump control panels (DB, JP, JP-01).
• Water purification plant, raw water storage tanks (12KL, 80KL, 12KL steel sectional), purified water storage (7450KL, 1781KL, 5200KL).
• Fire water supply, bypass lines, maintenance lines, control chambers, filtration (FLTR-01), reverse osmosis (RO-01).
• Piping specifications: Ø100, Ø150 galvanised steel, HDPE, uPVC.
• Installation requirements: minimum clearances, insulation, colour coding, support spacing, drainage, disinfection, pressure testing.
• Compliance with SANS standards, OHSAS18001, occupational health and safety.

Fire Protection:

• 3700mm high concrete plinth, fuel tank FP-02 (5500), fire water supply lines Ø150.
• Fire sectional tanks (12KL, 80KL), hydrants, hose reels, extinguishers (9.0kg DCP), smoke detection, emergency lighting, escape routes, signage, ventilation.
• Compliance with SANS 10400, SANS 1464-22, SANS 1186, local bylaws.

Construction Methodology:

• Site layout includes pipeline network with nodes W1-W61, pump stations, reservoirs, river crossings (Blyde River, Treur River).
• Typical details for air valve chambers, scour valve chambers, ditch crossings, thrust blocks, and reinforcement.
• Intake tank arrangement with steel tank, pump station building, brickwork, and foundation.
• Electrical, wet services and fire services installation including fuel tanks, control panels, water purification, storage tanks, piping, and fire protection systems.
• All work must comply with SANS standards and specifications for municipal civil engineering works.

No specific compliance requirements found in the provided document.

B-BBEE Minimum Level: 600.

General Health and Safety Requirements:

• All construction must comply with occupational health and safety regulations.
• Contractor must adhere to OHSAS18001 and provide safe working practices.
• Installation of piping and equipment must ensure clearances, proper support, drainage, and disinfection.
• Fire protection systems must include smoke detection, emergency lighting, escape routes, and signage as per SANS standards.
• All ambiguities on drawings must be reported to design engineer before commencing construction.

Special Conditions:

• Drawings are property of AMCE Consulting Engineers and may not be copied or reproduced without written permission.
• All ambiguities on drawings must be reported to design engineer before commencing construction.
• Drawings are schematic representations and must not be scaled.
• All material and workmanship must comply with latest relevant SANS standards.
• All construction must be done in accordance with Standard Specifications for Municipal Civil Engineering Works, Third Edition 2005 and Standard COT Detail Drawings.
• Final position of services to be determined on site.
• Consultant remains responsible for ensuring compliance with all guidelines, standards and specifications of the Water and Sanitation Department.

Service provider must be registered for construction of water supply infrastructure, have relevant CIDB grading (likely 6CE or higher given scope), demonstrate experience in similar bulk water projects, comply with OHS Act and environmental regulations, provide proof of financial capacity, and meet MTPA's supply chain management requirements. Must submit workshop drawings, O&M manuals (4 copies), as-built drawings, and provide staff training.

The scope of work is a comprehensive construction project for a bulk water supply system at Blyde River Canyon Nature Reserve, divided into four main sections:

• Civil Works: Includes site establishment, site clearance, pipe trenches, structural steelworks (tanks), a pump station, chambers, medium pressure pipelines, concrete remedial works, and fencing.
• Electrical Works: Covers supply and installation of cables and accessories, trenching, internal electrical installation (lighting, sockets, distribution boards), and commissioning.
• Wet Services: Involves domestic hot and cold water pipe installation, including pumpsets, valves, and controls.
• Fire Services: Includes installation of fire hydrants, signage, piping, and hose reels.

Key technical requirements:

• All electrical work must comply with SANS 10142-1.
• Water piping must comply with SANS 460 and SANS 10252.
• Fire services must comply with SANS 10400 and SANS 10252.
• The contractor must provide and maintain site facilities for both the engineer and contractor for the duration of construction.
• Specific deliverables include operating and maintenance manuals, as-built drawings, training for client staff, and a 12-month maintenance and guarantee period.

The document outlines general contractual and project execution requirements rather than specific bidder experience or personnel qualifications.

• The contractor must verify all quantities against project drawings.
• The Bill of Quantities is not to be used as the basis for material orders.
• The contractor is responsible for the full scope of works as specified, including all necessary fittings, hangers, sealants, and transformations.
• Provision must be made for operating and maintenance manuals, client training, as-built drawings, and commissioning.

Specific quality control measures are required:

• Making and testing of 150mm concrete strength test cubes.
• Pressure testing of installations.
• Provision of Certificates of Compliance for electrical distribution boards in terms of SANS specifications.
• All materials and fittings must comply with the quality specified in the relevant SANS standards and manufacturer instructions.

The tender requires a detailed priced Bill of Quantities. Bidders must provide rates for hundreds of line items across four main sections:

1. Civil Works: Includes scheduled fixed-charge items (site facilities), time-related items (monthly costs for facilities and supervision), provisional sums, dayworks for labour and plant, and specific construction items (site clearance, pipe trenches, steel tanks, pump station, chambers, pipelines, concrete repairs, fencing).
2. Electrical Works: Includes supply and installation rates for cables, trenching, internal installation (sockets, distribution boards, light fittings), and commissioning.
3. Wet Services: Includes supply and installation rates for water piping, valves, pumps, and controls.
4. Fire Services: Includes supply and installation rates for fire hydrants, signage, piping, and hose reels.

All pricing must be broken down by unit, quantity, and rate, with separate columns for supply and install costs where applicable.

The tender requires pricing in a detailed Bill of Quantities format.

• Pricing must be broken down by item, unit, quantity, and rate across multiple schedules for Civil, Electrical, Wet, and Fire services.
• The BOQ includes provisional sums for items like safeguarding excavations, control tests, relocation of services, training, and community liaison.
• Dayworks rates are required for various labour categories (unskilled, semi-skilled, artisan, etc.) and plant hire (excavators, TLBs, trucks, generators).
• All rates must include overheads, charges, and profit on provisional sums.
• The contractor must provide a detailed pricing schedule covering all supplied and installed items.

The document specifies adherence to numerous South African National Standards (SANS) across all work sections.

• Electrical installations must comply with SANS 10142-1.
• Water services must comply with SANS 460, SANS 10252, and SANS 1056-3.
• Fire services must comply with SANS 10400 and SANS 10252.
• General construction references SANS 1200 series standards.
• The contractor must fulfil OHS Act obligations, including providing personal protective equipment, a Health and Safety plan/file, and training.
• An Environmental Management Plan is required.
• Specific safety requirements include danger signs, fire extinguishers, and safety notices.

The contractor has extensive health and safety obligations under the OHS Act:

• Provide general safety obligations, including personal protective equipment.
• Develop and maintain a Health and Safety plan/file, including health and safety training.
• Fulfil legislated requirements for blasting, including submission of plans.
• Appoint a Safety Officer for the duration of construction.
• Provide security services on site.
• Implement an Environmental Management Plan.
• Specific site safety requirements include danger signs, safety notices, and fire extinguishers with signage.

The contractor must address environmental management:

• Fulfil Environmental Management Plan (EMP) obligations as a scheduled item.
• Manage waste from pipes, trunking, cable ladders, and trays.

The contract includes standard obligations for maintenance and guarantees.

• The contractor must provide a full year's maintenance and guarantee for the entire installation, including 11 standard maintenance visits and 1 major service.
• The Bill of Quantities forms part of the contract documents.
• All works billed must include the full scope of specified services.
• Contractors must verify quantities against project drawings.
• No rate variations are allowed due to quantity changes, exchange rates, or other factors.
• The contractor is responsible for errors and omissions in equipment or material required to execute the project.

• Closing date: 12 August 2026.
• Closing time: 11:00 AM.
• There will be a compulsory briefing session; date and time as per the advert.
• Commencement of contract: within one calendar month of bid acceptance.
• Time for achieving Practical Completion: Six (6) months.
• Defects Liability Period: 365 days after final completion.
• Time for obtaining final completion certificate: 365 calendar days after completion date.

• SCM related queries: Evans Ngwenya, email [email protected], telephone 013 065 0886.
• Technical related queries: Sibusiso Mabunda, email [email protected], telephone 013 065 0888.
• Employer contact: Mr Themba Betuel, email [email protected], telephone 013 065 0888, physical address Hall's Gateway on the N4 National Highway, Mbombela, 1200.
• Employer’s Agent: A-M Consulting Engineers, contact Mmanoko Mthethwa, email [email protected], telephone 011 312 1569, physical address 20 Bavaria Avenue, Midrand, 1685.
• Submission address: Supply Chain Management Unit, Procurement Office, MTPA Finance Block E, Halls’ Gateway, Mataffin, Mbombela, 1200.

• Submit bids to the Supply Chain Management Unit, Procurement Office, MTPA Finance Block E, Halls’ Gateway, Mataffin, Mbombela, 1200.
• Closing date: 12 August 2026 at 11:00 AM. Late bids will not be accepted.
• Submit bids in the official forms provided (not retyped) or as prescribed in the bid document.
• Bids must be deposited in the bid box at the above address.
• No proposal will be accepted if submitted in any manner other than as prescribed.
• Bidders are not allowed to contact any MTPA staff other than the indicated officials.
• The bid validity period is 90 days from the advert closing date.
• A tender levy of R600.00 is required.
• Failure to provide required particulars may render the bid invalid.

Only bidders with CIDB Grade 5ME/CE (4ME/CE PE) or above. Must be registered on Central Supplier Database, tax compliant, VAT registered, and have valid Letter of Good Standing. No bids from persons in service of the state. Foreign suppliers must meet RSA tax requirements. Minimum 3 completed similar bulk water supply/water reticulation projects. Key personnel must meet specified qualification and experience thresholds. Must score ≥70/100 on functionality evaluation.

• Project: Construction of bulk water supply at Blyde River Canyon Nature Reserve – Potholes.
• Primary objective: Construct bulk water main pipeline and reticulation system.
• Secondary objectives: Provide safe, reliable water access; promote water conservation; improve water quality; expand distribution network; create jobs.
• Key works include:

• Construction of bulk main pipes and reticulation system.
• Water supply for 20 houses and other facilities.
• Infrastructure for valve chambers, meter chambers, storage tanks, water purification, pump house with plant room, fire services.
• Refurbishment of existing infrastructure.
• Environmental management and occupational health and safety specifications.

• Compliance with Expanded Public Works Programme (EPWP): Maximise local labour, maintain employment contracts, IDs, timesheets, and submit EPWP reports.
• Deliverables: Ensure work meets specifications and standards; coordinate with subcontractors; execute within project timelines; assume duty immediately upon appointment.

• Key personnel requirements:

• Contracts/Project Manager: BSc/B-Tech in Civil/Mechanical Engineering, 8+ years experience.
• Site Agent: National Diploma in Civil/Mechanical Engineering, 5+ years experience.
• Foreman: N4 in Civil/Mechanical Engineering, 5+ years experience.
• Construction Health and Safety Officer: National Diploma in Safety Management/Environmental Health, 5+ years experience.

• Proof via CVs, certified qualifications, appointment letters, completion certificates.
• Plant and equipment: Provide proof of ownership or lease for required items (e.g., Tipper Truck, Water dowser).
• Points allocated for residence within Mpumalanga and liability indemnity cover.

• Provide appointment letters and completion certificates with contactable references from previous projects.
• All qualifications must be SAQA compliant.
• Proof of experience for key personnel via CVs and certified copies of qualifications (certified within 3 months).

• Submit a fixed price tender in South African Rand, inclusive of VAT, not subject to contract price adjustment.
• Provide a detailed pricing schedule indicating each activity’s unit price and duration.
• Performance Guarantee: 10% of contract sum required.
• Retention: 10% deducted on each interim certificate, with 5% returned at completion.
• Overhead and profit allowance: Shall not exceed 10%.
• Advance on materials: 80% for materials not yet built into permanent works.
• Insurance: Contractor must provide all required insurances, including Special Risks Insurance from SASRIA, and cover professional fees at 20% of contract sum.
• Payment terms: Credits may be included in payment certificates as per contract clauses.

• CIDB registration: Only bidders with grade 5ME/CE (4ME/CE PE) or above may apply. Valid certificate required.
• Tax compliance: Submit SARS PIN or TCS certificate; CSD number if no PIN. Joint ventures must submit separately.
• Central Supplier Database (CSD) registration required.
• B-BBEE: Preference points for specific goals (historically disadvantaged, gender, disability, youth) with ownership of at least 50+1%.
• VAT registration: Valid VAT certificate from SARS required.
• Letter of Good Standing from Department of Labour or proof of Compensation for Occupational Injuries and Diseases Act compliance.
• Health and Safety: Comply with Occupational Health and Safety Act; submit Health and Safety Plan.
• Environmental compliance: Submit Environmental Management Plan.
• EPWP compliance: Adhere to guidelines and reporting.
• Documentation: Certified copies of IDs, company registration, SBD forms, and other required certificates.

• Comply with Occupational Health and Safety Act; submit Health and Safety Plan before commencement.
• Programme must include Health & Safety Compliance Audits.
• Contractor bears sole liability for compliance; employer may monitor.
• Report any investigations or charges related to OHS.
• Documentation required before works: Health and Safety Plan, initial programme, cash flow projection, security, insurance.

• Submit Environmental Management Plan, SHEQ, and Risk Management plan.
• Programme must include Environmental Compliance Audits.
• Project aims to promote water conservation and efficient use.

• General Conditions of Contract: SAICE Third Edition, 2015 applies.
• Contract specific data includes:

• Defects Liability Period: 365 days after final completion.
• Practical Completion: Six (6) months.
• Final completion certificate: 365 calendar days after completion.
• Pricing Strategy: Re-measurement Contract.
• Employer: Mpumalanga Tourism and Parks Agency.
• Employer’s Agent: A-M Consulting Engineers.

• Key clauses cover variations, health and safety compliance, documentation requirements, programme submissions, penalties for delay (0.05% of contract value per day), insurance, and security (Performance Guarantee 10%).

• Contract type: General Conditions of Contract for Construction Works (Third Edition, 2015).
• Contract period: For construction works as specified; commences within one calendar month of bid acceptance.
• This section takes precedence if contradictory to GCC.

• 80/20 preference point system applies.
• Only CIDB grade 5ME/CE (4ME/CE PE) or above bidders eligible.
• Functionality points (100 total) cover:

• Relevant previous experience (combined values): 30 points, based on total project value of similar bulk water supply projects (minimum 3). Proof required.
• Company experience (number of projects): 25 points, based on number of similar projects requiring CIDB Grade 4CE/ME.
• Proof via reference letters, appointment letters, completion certificates.

• Minimum functionality score: 70 points to proceed.