Office computers, printers, fax machines, photocopiers, modems Geysers itself, overpressure valves, plumbing piping Outsourced kitchen appliances (in the cafeteria)) Gate booms and access control Lift motors and lift control installation Fire detectors Access control equipment Data cabling systems Telephone cabling systems Lan and network cabling Network hubs and concentrators PABX switchboard and communication equipment The following equipment, although it forms part of the electrical infrastructure, is maintained by the Public Works Department and is therefore excluded from the scope of work 1000kVA 11kV/400v transformer 500kVA 11kV/400v transformer 11kV transformer terminations 400 volt transformer terminations transformer breathers and conservators 11kV switchgear consumer side The bidders will be expected to provide preventative as well as corrective maintenance for the electrical installation at the GPAA office and the GEPF office in Pretoria. maintenance Preventative maintenance is the maintenance carried out regularly per specified monthly intervals to ensure that the electrical installation is kept fully functional, reliable and available to supply power during power failures at any time of the day or night, 365 days per year.
For the purposes of this tender, the preventative maintenance will take place on a quarterly basis for the generators, distribution boards, and UPS. All maintenance services must comply with the Occupational and Health Safety Act 85 0f 1993. 4.1.1 Maintenance of distribution boards include, but are not limited to the following: Service pension sub main LT distribution boards Service chemical sub main LT distribution boards Check trip settings of all main circuit breakers Check that all cable connections are secure Check for signs of overheating Check for hot spots using laser heat detector Check labels, signs, notices as required by legislation Record voltages, verify balancing of phase currents Verify and record earth loop impedance Measure value of earth resistance at the main earth bars Clean Main LT switch rooms. This work which is carried out 4 times a year will be done after hours during a weekend, when a planned shutdown of the electrical installation can be accommodated. 4.1.2 Maintenance of generators Generator sets installed at the GPAA have 300 and 400kVA diesel capacity. The GEPF generator has a 250kVA diesel capacity. The quarterly service charge for scheduled maintenance include the following: • Labour as may be required • Travelling distance cost • Travelling time cost • Overhead costs • Consumables and cleaning materials • Lubricating materials excluding engine oil • Test equipment • Disposal of used and replaced materials • Maintenance
B 1. Track record and previous experience 2. Capacity 3. Capability FUNCTIONALITY The bidder must demonstrate experience and company track record by outlining the following: Minimum 3 years’ experience in delivering projects of a similar nature. This must be supported by a list with previous and current electrical contracts with client name, contact details, start and end date of the contract, and the value of the contract. A minimum of 3 reference letters from current and previous clients confirming the quality of service received from the bidder. The ability to demonstrate technical capacity, and clear planning by submitting the following: Attach maintenance schedules of the UPS, distribution boards and generators, including resources and timelines; An audited list of equipment, that will enable the bidder to execute the contract The service provider must demonstrate that they have necessary capability to provide the required service, this may include but not limited to the following resources: A minimum of 2 CVs for the personnel qualified in relation to the electrical projects to be deployed in the contract. The CVs must clearly highlight the of experience/ competence relevant to the tasks and activities of the maintenance service outlined in this tender. Certified copies Trade Test certificates of proposed technicians. This will support the information stated in the CVs. 20 20 25 15 20 NB Minimum 60% qualifications on functionality. For purpose of evaluating functionality, the following values will be applicable: C Total Functionality 100 Price score 90 B-BBEE score 10 Total score on preference and price 100
Quarterly preventative service of 39 distribution boards inclusive of labour, travel, test equipment and consumables (As per 4.1.1 in the tender document) Quarterly preventative maintenance service of UPS (As per 4.1.3 in the tender document) Supply and install air conditioner timers in 8 distribution boards VAT Sub-total (A) Table 2: Re-fuelling of generators and “other as and when” required repairs (at GPAA and GEPF office) Type of service Quantities For the three years Year 1 Year 2 Year 3 Total Dedicated power plug points 50 Supply and install normal power plug points 100 Supply and install UPS power plugs 50 Installation of TV sets 10 Supply and install air conditioner isolators and supply power supplies to air conditioners 30 Transportation and re- fuelling of 3 x Generators at GPAA Hamilton Street and GEPF in Brooklyn Pretoria as per 4.1.2.3 36 Supply and install magnetic door locks and power supplies 12 Supply and replace fused down lighters (energy efficient) 200 Supply and replace fluorescent lights (energy efficient) 100 Supply and replace pole lights (energy efficient) 15 Supply and replace of lights to match existing 15 VAT Sub Total (B) The following labour per appropriate skill is required in this contract (per hour) 3: Repairs to miscellaneous appliances as and when required: microwaves, refrigerators, extractor fans, water urns (and tripped plugs) Level of skill Qualified electricians Rate per hour R Number of hours per month Cost per R Year 1 R Year 2 R Year 3 R Total R