Power factor correction supply at crown substation - BID-2653GS

Core scope and general requirements

• Power-factor correction at Crown Substation.
• Maintain a 12-month defects guarantee over workmanship, materials and equipment; ordinary maintenance, misuse and normal wear are excluded, and site inspections must be supported.
• Complete a 4-day City Power-specific course for P/P supervisors.
• Provide factory acceptance testing for 4 City Power personnel locally and 4 internationally.

Closing: 4 December 2026 at 11:00

Pricing returnable

• Annexure G – Preliminary and General BOQ: Complete the schedule, identify the bidder, enter the date and sign it.
• Price fields: Enter VAT-exclusive unit prices, VAT-inclusive total costs and the subtotal.
• Covering letter: Detail and price any additional item considered essential; include a breakdown of travel, accommodation and per diem for factory inspections outside Gauteng.
• Unforeseen relocation work: Attach official quotations for City Power approval, including examples such as boreholes, special gates or entrances.

Main scope

• Power-factor correction at Crown Substation, supported by the preliminaries and general works priced in the BOQ.

Site establishment and management

• Provide and maintain site offices, telephone and fax, lighting, fencing, toilets, water, storage, staff accommodation, electricity, sanitation and communications.
• Remove the site establishment, rehabilitate the environment and dispose of decommissioned plant and equipment on completion.
• Attend every site meeting and inspection, including the related transport and time costs.
• Protect staff, materials and equipment through security arrangements for 12-hour shifts.
• Coordinate domestic subcontractors, other contractors and other project parties.

Technical deliverables and assurance

• Supply specification drawings, construction drawings prepared by a professional engineer or technologist, as-built drawings, required GPS coordinates, handover documents and the engineer's completion certificate.
• Update as-built drawings, network diagrams and GIS information; provide a detailed network audit report for each distributor and an MV/LV network tracing audit.
• Undertake equipment testing and provide factory acceptance testing for 4 City Power project personnel locally and 4 internationally.
• Attend a 4-day City Power-specific course for P/P supervisors.
• Provide a 12-month guarantee against defects in workmanship, materials and equipment; normal maintenance, abuse and wear or tear are excluded, and inspections must be attended when required.

Resources, access and specialist inputs

• Provide heavy-duty transport, crane requirements for equipment and installation, staff transport, low-bed-truck access, a qualified rigger and an environmental control officer.
• Provide hydraulic crane capacity in the 160-300 ton, 80-160 ton and 0-80 ton ranges.
• Obtain transport permits and authority notices, maintain national, provincial and local wayleaves, and liaise with Eskom for access and permits.
• Price specialist services on client or engineer instruction and unforeseen relocation work.
• Attend factory inspections outside Gauteng, with travel, accommodation and per diem costs detailed separately.

Execution allowances

• Include abnormal-hours work for special outages, a provisional Community Liaison Officer, site ablution facilities, service-location work using appropriate locators and ground-penetrating radar, traffic deviations where applicable, site rehabilitation and court or hearing attendance as a witness.

Execution and close-out approach

• Plan team-hour working during abnormal hours for special outages: 1 month.
• Provide a Community Liaison Officer, ablution, service-location equipment, ground-penetrating radar, traffic deviations and a qualified rigger.
• Obtain the Certificate of Compliance, prepare handover documents, issue the engineer's completion certificate and support witness attendance at hearings.
• Mobilise hydraulic crane trucks in the 160-300 ton, 80-160 ton and 0-80 ton classes and a low-bed truck.
• Update as-built drawings, network diagrams and GIS; provide distributor network audit and MV/LV network tracing audit reports.
• Rehabilitate the site for City Power environmental requirements.

Inspection attendance

• The price must cover attendance at all site meetings and inspections, including the transport and time required.

Pricing structure

• Most fixed preliminaries carry unit Sum and quantity 1.
• Each major fixed-charge group must be priced once: general conditions, meetings and inspections, site establishment, completion work, approvals, defects, training, testing, technical deliverables, specialist inputs, logistics, safety and environmental management.

Fixed-charge content

• General conditions: Include labour, insurance, statutory contributions and OHS compliance.
• Site establishment: Include offices, telephone and fax, lighting, fencing, toilets, water, storage, staff accommodation, a works-information office, utilities and communications; maintain these through the contract, then remove and rehabilitate the site and dispose of decommissioned plant.
• Meetings and inspections: Include all attendance, transport and time.
• Approvals: Include transport permits, notices, cooperation with other traders and contractors, wayleaves and Eskom liaison.
• Defects and training: Include the 12-month defects guarantee, inspections, the 4-day City Power course, and local and international factory acceptance testing for 4 personnel each.
• Technical submissions: Include specification and professional-engineer or technologist drawings, as-built drawings, GPS coordinates, handover documents, the completion certificate, network diagrams, GIS updates, distributor network audits and MV/LV tracing audits.
• Specialist and additional items: Price instructed specialist services, unforeseen relocation work with approval quotes, any additional essential items, and external factory-inspection travel, accommodation and per diem.
• Logistics: Include secure material storage and insurance, subcontractor coordination, 12-hour security, an environmental control officer, heavy transport, crane and installation transport, staff transport and a qualified rigger.
• Safety: Include Construction Regulations and reporting, EPWP personal protective equipment, equipment testing, a safety plan and file, statutory appointments, training, a first-aid kit, training and a first aider.
• Environment: Include environmental-law and GDARD-plan compliance plus specialist environmental survey services, quantity 1 hour.

Time-related allowances

• Abnormal-hours outage work: 1 month, with labour rated in team hours.
• Community Liaison Officer: provisional amount, quantity 1.
• Each-item allowances, quantity 1: site ablution; service location with an appropriate locator; Certificate of Compliance; handover documents; engineer's completion certificate; witness attendance at court or hearings; traffic deviations where applicable.
• Plant allowances, quantity 1 hour each: hydraulic crane trucks in the 160-300 ton, 80-160 ton and 0-80 ton classes; low-bed truck.
• Documentation and technical allowances, quantity 1 each: City Power environmental site rehabilitation; distributor network audit report; MV/LV network tracing audit report.
• Monthly allowances, quantity 1 month each: updates to as-built drawings, network diagrams and GIS; service location with ground-penetrating radar; qualified rigger.

Pricing format

• Complete the BOQ using VAT-exclusive unit rates, VAT-inclusive line totals and a subtotal.
• Most preliminaries are fixed-charge items with unit Sum and quantity 1.
• Time-related work is rated separately for the listed services, plant and specialist inputs.

Guarantees and insurance

• Include a 12-month defects guarantee for workmanship, materials and equipment, excluding normal maintenance, abuse, wear and tear.
• Price the insurance, labour obligations and statutory contributions required by the Conditions of Contract.

Provisional and additional pricing

• Include provisional amounts for specialist services instructed by City Power or the engineer and for unforeseen relocation work; official quotes are required for relocation-work approval.
• Detail and price additional essential items in the covering letter.
• Break out travel, accommodation and per diem for factory inspections outside Gauteng in the covering letter.

Occupational health and safety

• Comply with the OHS Act, Construction Regulations and reporting requirements.
• Submit a safety plan and safety file, appoint the required statutory health and safety personnel, provide health and safety training, and equip workers with personal protective equipment for EPWP.
• Test equipment and provide a first-aid kit, first-aid training and a first aider.

Environmental management

• Comply with environmental legislation and the project Environmental Management Plan, with GDARD requirements.
• Appoint an environmental control officer and obtain specialist environmental survey services.
• Maintain environmental controls and complete site rehabilitation.

Other statutory and site-access obligations

• Meet labour, insurance and statutory-contribution obligations in terms of the Conditions of Contract.
• Obtain required transport permits, authority notices and national, provincial and local wayleaves, and secure Eskom access and permits.

Required safety controls

• Apply the OHS Act and Construction Regulations, including statutory reporting.
• Issue EPWP personal protective equipment and test equipment.
• Prepare the safety plan and safety file.
• Make the required statutory health and safety appointments.
• Provide health and safety training.
• Supply a first-aid kit, first-aid training and a first aider.

Environmental requirements

• Comply with environmental law and the project Environmental Management Plan under GDARD.
• Obtain specialist environmental survey services, with an allowance of 1 hour.

Contract and statutory obligations

• Comply with the General and Special Conditions, labour requirements, OHS legislation, insurance provisions and statutory contributions.
• Obtain permits and authority notices and cooperate with other traders and contractors.
• Provide the 12-month defects guarantee and attend required inspections.
• Ensure site supervisors attend the 4-day City Power course.
• Store and safeguard materials and equipment under the required insurance arrangements.

Bid advertising date: 21 October 2026.

Compulsory briefing session: 28 October 2026 at 10:00. Venue: Crown Substation, Crown DS, Booysens, Johannesburg (GPS coordinates: 28°1'49.607"E, 26°13'53.692"S; 27°59'46.9"E, 26°13'56.4"S). Attendance is mandatory.

Bid closing date and time: 04 December 2026 at 11:00.

Compulsory briefing session: 28 October 2026 at 10:00. Venue: Crown Substation, Crown DS, Booysens, Johannesburg. GPS coordinates: 28°1'49.607"E, 26°13'53.692"S (Head Office, Reuven); 27°59'46.9"E, 26°13'56.4"S (Crown Substation, Reserve Road). Attendance is mandatory.

Enquiries:

• Contact: Katlego Nnete
• Role: Not specified
• Email: [email protected]
• Telephone: 011 490 7681

Submission address:

Tender Box

40 Heronmere Road

Reuven

Booysens

Johannesburg

(Tender Advice Centre)

Service delivery address:

Crown Substation

Crown DS, Booysens

Johannesburg

(GPS: 27°59'46.9"E, 26°13'56.4"S)

Submission method: Physical delivery to tender box only. No emailed or faxed bids accepted.

Submission address: Tender Box, 40 Heronmere Road, Reuven, Booysens (Tender Advice Centre), Johannesburg.

Closing time: 04 December 2026 at 11:00.

Bid documents available from: www.etenders.gov.za, CIDB website, www.citypower.co.za.

Mandatory documents to submit with bid:

• Valid CIDB contractor grading certificate (Grade 7EP or higher).
• Valid COIDA certificate from Department of Labour or authorised entity.
• B-BBEE verification certificate or sworn affidavit (certified copy not older than 3 months), consolidated B-BBEE certificate if joint venture/consortium, certified ID copies of owners (not older than 3 months).
• For disability ownership claim: letter from licensed doctor, physician, psychologist, or state/federal agency confirming disability classification.

All mandatory documents must be included; omission may lead to disqualification.

Evaluation process: Two-stage evaluation.

Stage 1 – Functionality: Total score 100%. Minimum qualifying score: 90%. Bidders scoring below 90% are eliminated.

Stage 2 – Price and Specific Goals: Price 90 points, Specific Goals (B-BBEE) 10 points. Preference point system: 90/10.

Specific Goals allocation (total 10 points):

• 51% black ownership: 4 points (0 points if less than 51%).
• 30% black women ownership: 2 points (0 points if less than 30%).
• 51% black youth ownership: 2 points (0 points if less than 51%).
• 51% black people with disabilities ownership: 2 points (0 points if less than 51%).

Evidence required for each goal: Valid certified copy (not older than 3 months) of B-BBEE certificate or sworn affidavit; consolidated B-BBEE certificate if JV/consortium; certified ID copies of owners (not older than 3 months). For disability: additional letter from licensed medical practitioner or state agency confirming disability.

Mandatory eligibility requirements:

• CIDB contractor grading: Grade 7EP or higher (compulsory).
• COIDA certificate: Valid certificate from Department of Labour or authorised entity.
• B-BBEE specific goals evidence: Certified B-BBEE certificate or sworn affidavit (not older than 3 months), consolidated certificate for JV/consortium, certified ID copies of owners (not older than 3 months). For disability ownership: letter from licensed doctor/physician/psychologist or state/federal agency confirming disability classification.

B-BBEE specific goals (total 10 points):

• Black ownership ≥51%: 4 points. Evidence: certified B-BBEE certificate/sworn affidavit (≤3 months old), consolidated certificate if JV/consortium, certified ID copies of owners (≤3 months).
• Black women ownership ≥30%: 2 points. Same evidence.
• Black youth ownership ≥51%: 2 points. Same evidence.
• Black people with disabilities ownership ≥51%: 2 points. Same evidence plus letter from licensed medical practitioner or state/federal agency confirming disability.

Special condition: City Power reserves the right to award the contract to a maximum of one bidder for a period of 3 years.

Mandatory requirements: CIDB contractor grading Grade 7EP or higher. Valid COIDA certificate from Department of Labour or authorised entity.

Evaluation summary: Functionality 100% (minimum 90% to proceed). Price 90 points, Specific Goals (B-BBEE) 10 points (90/10 preference system).

Bid advertising date: 21 October 2026

Compulsory briefing session: 28 October 2026 at 10:00 at Head Office, 40 Heronmere Road, Reuven

Bid closing date and time: 4 December 2026 at 11:00

SCM Contact: Katlego Nnete

Email: [email protected]

Telephone: 011 490 7681

Submission address: Tender Box, 40 Heronmere Road, Reuven, Booysens (Tender Advice Centre)

Service delivery address: Crown Substation, Crown DS, Booysens Reserve Road, Johannesburg (GPS: 27°59'46.9"E, 26°13'56.4"S)

Two-stage evaluation:

Stage 1 – Functionality: Minimum qualifying score 90% (threshold). Bidders scoring below 90% are eliminated.

Stage 2 – Price and Specific Goals (90/10 preference point system):

• Price: 90 points
• Specific Goals (B-BBEE): 10 points allocated as follows:

1. 51% black ownership = 4 points
2. 30% black women ownership = 2 points
3. 51% black youth ownership = 2 points
4. 51% black people with disabilities ownership = 2 points (requires letter from doctor, physician, psychologist, or state/federal agency for disability classification)

Evidence for specific goals: Valid certified copy (not older than 3 months) of B-BBEE certificate or sworn affidavit; consolidated B-BBEE certificate from verification agency if bidder is JV/consortium; certified copies of ID documents of owners.

Contract award: Maximum one bidder for a 3-year period.

CIDB: Grade 7EP or higher (compulsory).

COIDA: Valid certificate from Department of Labour or authorised entity (compulsory).

B-BBEE: Valid certified B-BBEE certificate or sworn affidavit (not older than 3 months) required to claim specific goals points; consolidated certificate for JV/consortium; certified ID copies of owners. For disability ownership claim: letter from medical professional or state agency.

CSD registration, tax clearance (SARS tax pin), CIPC registration, professional body registration, local content thresholds: Not specified in the tender document.

Power-quality unit

• Install a unit for real-time voltage and current harmonic monitoring up to 25kHz, with event detection and classification.
• Provide synchrophasor visualisation, including accurate frequency estimation under distorted supply conditions.

On-site progress meetings

• The contractor and an authorised representative must attend all site meetings with City Power and the professional team. The Engineer sets the dates and times to review progress and broader contract matters; routine technical details are not the purpose of these meetings.

Required technical submissions

• Bid-stage compliance schedule: confirm compliance with each technical requirement and explain every deviation.
• Project management plan: contract and partner responsibilities, work-allocation organogram, plant and material procurement plan, construction-equipment plan, staffing plan, CVs for key personnel and method statements for each discipline.
• Quality submission: quality-control plan, proposed hold points for critical activities, applicable QA procedures and supporting factory-test information.
• Construction programme: Gantt-based programme with work breakdown, activity dates, dependencies, logic network where requested, and time or resource constraints.
• Close-out information: network-study and design records, drawings, O&M manuals, approvals, test and commissioning records, spares and maintenance information.

Scope and performance

• City Power requires an end-to-end turnkey power-factor-correction package at Crown Substation, covering network study, detailed design, equipment procurement, manufacturing assurance, factory testing, logistics, civil and structural work, installation, site testing and commissioning.
• The contractor must supply every item needed for a complete, reliable, operable and maintainable installation, including incidental items not separately listed.
• The network study establishes the operating target. Expected performance includes power factor of at least 0.98, lower reactive-power demand, fewer power-factor penalties, reduced technical losses, improved voltage regulation, greater feeder capacity, better system efficiency and longer equipment life.

Site and electrical basis

• Location: Crown Substation, south of Johannesburg; exact GIPS coordinates remain to be confirmed.
• Configuration: Eskom 132/11kV transmission intake, with City Power supply at three phases, 11kV, 50Hz.
• Fault levels: 19.14kA three-phase and 18.92kA single-phase.
• Phase sequence: RWB, anti-clockwise; the contractor must confirm this on site with a phase-rotation tester.
• Environmental design basis: altitude ±1,800m; ambient temperature -5°C to +36°C; summer daily maximum average +30°C; normal atmosphere; severe lightning with up to 15 ground flashes/km²/year.

Principal works

• Install new switchgear and capacitor banks with controls, together with overcurrent, earth-fault and arc-fault protection.
• Provide a SCADA system for monitoring, control, alarms, loading and equipment status, including a functional design specification followed by an approved detail design specification.
• Install the auxiliary AC/DC system, battery cabinet, battery charger and new control-room batteries. Two linear-mode chargers and two 110V battery banks are specified, with redundancy recommended to improve uptime.
• Reconfigure the existing substation and make the associated civil and electrical building alterations.
• Reconfigure or replace cameras and fire-monitoring equipment where required; refurbish and paint the switch room, including floors; and install lighting.
• Supply and install power, control, protection, metering, SCADA, fibre-optic and MV termination systems, including an earth-resistance survey and enclosure installation.
• Complete factory and site acceptance testing, commissioning, warranty, spares, maintenance, drawings, approvals, O&M documentation and training required by the relevant specification sections.

Key equipment requirements

• MV circuit breakers: vacuum interrupter type, maintenance-free, with clearly visible power and earth contacts, positive position indication, natural interlocks, and open-disconnected, closed and earthed positions. Network-point breakers are rated 630A; feeder ratings must suit the PFC equipment. Local manual tripping and SCADA remote control are required.
• LV installation: outgoing breakers must connect the substation LV side to the existing LV board. Typical ratings are 100A, 150A, 200A, 300A, 400A, 630A, 800A and 1000A. LV assemblies must comply with SANS 1973-1.
• Enclosure protection: outdoor IP55; indoor air-conditioned IP31; covered IP52; indoor non-air-conditioned with limited water ingress IP41; AC and DC distribution boards IP52.
• Current-transformer inputs: optional 1A inputs with minimum thermal ratings of 4×In continuous, 100×In for one second and 250×In dynamic half-cycle.
• Power-quality monitoring must track voltage and current harmonics up to 25kHz, classify events and provide synchrophasor visualisation with frequency estimation under distorted conditions.

Design and delivery controls

• Detailed design must cover the complete system, auxiliary services and all interfaces with City Power. Changes to the offered equipment require written agreement; price and programme effects must be settled before implementation.
• The design must support maintainability, future expansion and replacement, high availability for at least ten years, safe operation, and avoidance of harmful electromagnetic interference. Metal enclosures and metal deskwork must be earthed, and no material may create a personnel health hazard.
• The bidder must provide a clause-by-clause compliance and deviation schedule. Illustrative or incomplete drawings do not remove the contractor's responsibility for sound engineering, suitable materials, clearances, tolerances and compliance with applicable South African, IEC and statutory requirements.
• The substation remains live throughout execution, so all methods and programmes must accommodate continuous energisation.
• Labour-intensive work must use locally employed labour or local subcontractors for painting and building work, site clearance, cable-trench bedding, selected fill, backfilling and compaction, spoil movement where the disposal point is within 20 metres, fence dismantling and re-erection, and final site cleaning. Mechanical compaction may assist where required.
• The contractor remains responsible for all subcontractor work, programming, workmanship, payment and disputes; City Power's Engineer does not manage subcontractors directly.
• Contractor-provided site facilities must include suitable offices, meeting space, separate male and female ablutions, carports, maintenance, 24-hour security and maintained sanitary facilities within every 100m radius. The camp and depot area will be made available, with its exact position set by the Engineer.
• Contractor must provide project-management, procurement, staffing, method-statement, quality-control, hold-point, Gantt-programme, site-diary, plant, labour, rainfall, payment-certificate, drawing and test records required by the specification.

Site records

• Keep the daily site diary current and have it signed each day by the Engineer's Representative.
• By the first day of the following month, submit a detailed plant inventory distinguishing working and defective plant, and a labour return covering supervisory staff, own and local labour by category, and local and imported subcontractors.
• Record rainfall throughout construction. Provide, secure and maintain the measuring equipment, fencing, gate, padlock and keys at the contractor's cost. The Engineer controls the readings and gauge access.

Personnel and labour basis

• Specified labour-intensive tasks must use locally employed personnel or local subcontractors, supplemented only where necessary by the contractor's key personnel.
• Covered tasks are painting and building work, site clearance, cable-trench bedding, fill, backfilling and compaction, transport of spoil to disposal points within 20 metres, fence dismantling and re-erection, and site cleaning.
• The contractor may select suitable plant for work outside the labour-intensive portions, provided the method suits the work and required standard.
• Key personnel may be housed only in the contractor's camp. Accommodation arrangements must be notified to the Engineer and maintained hygienically; permission to house personnel on site may be withdrawn.

Electrical system basis

• The supply substation is an Eskom 132/11kV switch station, with three-phase 11kV, 50Hz City Power supply.
• Three-phase fault level: 19.14kA. Single-phase fault level: 18.92kA.
• Standard phase rotation is RWB, anti-clockwise. The contractor must verify the sequence on site using a phase-rotation tester.
• Submit the required clause-by-clause compliance and deviation statement.

Payment certification

• Submit the draft monthly progress-payment certificate by the 20th, or the preceding last working day, covering work completed or reasonably expected by the 30th.
• Allow the Engineer's Representative five calendar days to review quantities, rates, extensions and additions.
• Agree the certificate by the 25th and submit the final typed certificate in the prescribed form by the 28th, or the next working day, with one additional copy.
• Submit instructed daywork returns on the Engineer's standard forms within 24 hours after the relevant working day. Failure to comply results in non-payment.

Pricing basis

• Bill of quantities: Annexure C.
• The tender price must absorb the cost of construction water and electricity, including connection fees, consumption, meters, pipework, storage, transport, prepaid metering and related arrangements.

Progress payments

• Draft monthly progress-payment certificate: submit by the 20th of each month, or the preceding last working day, covering work executed or reasonably expected by the 30th.
• Engineer review period: five calendar days for checking with the contractor.
• Agreement: the Engineer's Representative should agree quantities by the 25th of each month.
• Final certificate: submit the prescribed typed form by the 28th, or the next working day, with one additional copy.
• Daywork: returns must reach the Engineer within 24 hours after the working day; late or non-compliant returns will not be paid.
• Where a City Power electricity connection is available, electricity consumption costs are offset against the contractor's payment certificate.

Insurance and cost responsibility

• The turnkey scope includes insurance during manufacture, transport to site, receipt, storage and preservation.
• Contractor-provided office buildings and contents must be insured at replacement cost for new buildings and contents throughout the contract period.

Mandatory legal and safety compliance

• Occupational Health and Safety Act and its amendments.
• National Building Regulations, local laws, by-laws and requirements of the controlling local authority.
• Applicable municipal, electrical, fire, EMC, communications and occupational safety requirements.

Civil and building standards

• SANS 1200 civil-engineering construction, all relevant parts, including the applicable General, earthworks, site-clearance, concrete, structural-steel, cladding, corrosion-protection, bedding and cable-duct sections.
• SANS 10400, SANS 10109-2, SANS 10142-1 and -2, SANS 10114-1, SANS 10139, SANS 10021, SANS 1029, SANS 1507, SANS 1411, SANS 1574, SANS 60227, SANS 1885 Annex A, SANS 1652, SANS 1632 Parts 2 and 3, SANS 1019, SANS 121:2011, SANS 1339, SANS 97 and SANS 10198.

Electrical, protection and communications standards

• SANS 60694, SANS 62711 Part 100, SANS 62271 and SANS 62271-100, together with relevant IEC 60076, 60137, 60255, 60265, 60289, 60353, 60439, 60481, 60495, 60529, 60683, 60870-5-101/-103, 60947, 61000, 61073-1, 61131, 61850, 61869, 62063 and related IEEE, BS and NRS standards.
• Earthing must comply with NRS 004. Listed standards are not exhaustive; project-specific requirements take precedence where they differ.

Quality and materials

• Materials carrying an awarded SABS mark must display that mark; otherwise, provide certificates showing compliance with the applicable marked standard.
• Retain non-destructive-examination procedures, stress-relief and weld-repair procedures, radiography interpretation and fabrication reports, and applicable factory-test results.
• Submit a quality-control plan and hold points for critical activities, obtaining the Engineer's approval before work at each hold point.
• ISO 9001 is referenced in the quality-assurance standards schedule.

Delivery compliance

• The offered equipment must be suitable for the intended environment, supported by the contractor for at least ten years, safe to operate and maintain, earthed, and free from harmful interference and hazardous substances.
• Locally employed labour and local subcontractors must be used for the specified labour-intensive portions of the works. The staffing plan must report the bidder's local-content offering.

Health, safety and site controls

• Equipment design must comply with the Occupational Health and Safety Act and applicable local requirements. Metal enclosures and metal deskwork must be bonded to the site earth network, and no material or substance may endanger personnel.
• The substation remains energised throughout construction. Methods, permits, isolation and work sequencing must therefore be planned for live operations.
• Contractor and subcontractor activities must not hinder City Power's operations, power supply or other contractors. Existing services, structures and work areas must be protected; contractor-caused damage must be repaired at the contractor's cost.
• Contractor facilities require 24-hour security, maintained male and female sanitation within each 100m radius and safe camp accommodation for key personnel.
• Construction must follow the applicable civil, electrical, cable, EMC and fire standards. Fire-protection references include NFPA-13, NFPA-15, NFPA-12A, NFPA-72E and NFPA-12.
• Daily site records must capture labour, management, plant and rainfall, with the Engineer's Representative controlling access to rainfall gauges.

Sanitation

• Provide and maintain flush or chemical toilets for male and female personnel at every camp. During construction, maintain adequate sanitary facilities within easy reach of all employees, with male and female facilities provided within every 100m radius.

Civil construction requirements

• The contract is based on the SABS 1200 standardised civil-engineering specifications, with the transition from SABS to SANS noted for future replacement by SANS 2001.
• Applicable parts are A, AA, AB, AH, DB, C, G, GA, GB, GE, HA, HB, HC, LB and LC.
• The contractor must obtain the standards at its own cost from the SABS offices in Pretoria. Project-specific requirements prevail where they conflict with the general standardised specifications.