Construction Tenders National | July 2026

Submission channel: email all quotations to [email protected] With the RFQ number and description as the subject line. File limits: total email size must not exceed 25mb; larger bids may be split across multiple emails. Cloud links: submissions via wetransfer, google drive, dropbox or similar will not be considered. Language: all documentation must be in english. Returnable forms (all must be completed and signed by an authorised representative): - annexure c (sbd 1): invitation to bid cover page with bidder and contact details. - Annexure d (sbd 4): declaration of interest disclosing any state employment or connection to the csir. - Annexure e: preference points claim form (mandatory to claim points). - Annexure f: mutual non-disclosure agreement. - Annexure b: completed bill of quantities or a quotation on company letterhead aligned to the boq. - Valid electrician qualification, wireman's licence and department of employment and labour registration as an electrical contractor. - Valid coida letter of good standing for the relevant class of works, or equivalent private insurer cover. - Minimum three contactable reference letters or completion certificates for projects completed between 2018 and 2026, covering office renovations, floor covering, painting, blind replacement and suspended ceiling installation. Purchase orders, contracts and appointment letters are not accepted as references. - CIDB registration number for 2gb or higher. Disqualification risks: late submissions, submission to the wrong address, missing mandatory returnables, failure to meet specifications, or lack of valid CIDB 2gb or higher registration. Changes to a submission after the closing date and time will not be considered.

- Submit your quotation electronically to [email protected]. - Use the RFQ number (csir RFQ No.6746/21/08/2026) and description as the email subject. - Email and file sizes must not exceed 25mb per email. If larger, split into multiple emails. - Do not use cloud sharing services (wetransfer, google drive, dropbox, etc.). - Keep file names short and simple. - All documents must be in english. - Complete and sign all required annexures (c, d, e, f) and the bill of quantities (annexure b). - Failure to submit mandatory returnable documents by the closing date will result in disqualification. - Late submissions will not be considered. - Submissions to the incorrect email address will not be considered. - Changes to your submission after the closing date will not be accepted. - The csir reserves the right to extend the closing date, correct mistakes, verify information, request proof, carry out site inspections, award in part or to multiple bidders, cancel the process, or negotiate post-tender.

• Valid registration on the national treasury central supplier database (csd) • compliance with BBBEE requirements as per the tender documents • relevant experience and capacity for HVAC maintenance and repairs

• Compulsory briefing session via microsoft teams • must be able to supply and install smart meters across eight ports • must provide a utilities management software solution

Returnable documents: - signed form of offer and acceptance, with the offered total price stated in words and figures. Where the total and the activity schedule conflict, the activity schedule prevails. - Completed contract data part two, including key personnel details and cvs appended to the tender schedule. - Signed occupational health and safety agreement under section 37(2) of the OHS act. - Schedule of deviations, if any. Post-award obligations: - within two weeks of receiving the completed agreement, contact the service manager (to be confirmed) to arrange delivery of bonds, guarantees, proof of insurance and other required documentation. Failure to do so constitutes repudiation of the agreement. - The agreement takes effect when the tenderer receives a fully completed original copy; the tenderer has five working days to notify the employer in writing of any reason IT cannot accept the contents. - The offer remains valid until accepted by the employer within the period of validity stated in the tender data.

• Bidders must be professionally registered (e.g., Pr eng) and hold appropriate trade qualifications for HVAC work. • Proven experience with public sector projects and demonstrated capability in HVAC system installation is required. • All work must comply with public works department requirements and national codes, standards, and good engineering practice. • Installation must coordinate with electrical, mechanical, and structural disciplines, and conform to issued drawings and specifications. • Subcontractors must submit detailed layouts and drawings for approval, and any discrepancies between drawings must be resolved before execution. • Site measurements and approvals must be obtained prior to installation. • The project involves specific units: midwall units (4.5–5.3 Kw, 240V/1ph/50Hz), a cassette unit (3.5 Kw, 240V/1ph/50Hz), and an outdoor condenser unit (45.0 Kw, 440V/3ph/50-60Hz).

- Submit a written quotation via email to [email protected]. - Quotations must be on official letterhead and duly signed. - Include completed and signed standard bidding documents (sbd) forms with your quotation. Failure to do so may result in disqualification. - Clearly state the validity period of your quotation, delivery date, and warranty details (period and extent). - Prices must be in south african rand (ZAR) and inclusive of VAT, delivery, insurance, and all other costs. NO price adjustments will be considered after submission. - Submissions are binding upon receipt of a purchase order from arc.

Submit bids by 11:00 on 31 july 2026. Late, emailed, faxed, or telephonic submissions are not accepted. Deliver to: bid box at the entrance, zwamadaka building, 157 francis baard street, pretoria, 0001, or via postal address: private bag x313, pretoria, 0001. Submit one original hard copy + one pdf soft copy on a USB flash drive. All returnable documents (sbd1, sbd3.2, Sbd4, sbd6.1, Annexures a-s) must be completed, signed, and included. Failure to submit any required document or initial the entire tender document will disqualify the bid. Only official tender forms are accepted; do not re-type. Ensure the bid is signed by an authorized representative with proof of authority (e.g., Company resolution).

Submit quotations electronically to [email protected]. Use the RFQ number (9532/17/07/2026) and description as the email subject. Maximum email size: 25mb per email (split into multiple emails if larger). Only electronic submissions are accepted; cloud, physical, or handheld storage submissions will not be considered. File names must be short and simple. Late submissions or submissions to incorrect email addresses will be disqualified. Mandatory: attend the compulsory physical briefing and site inspection on 07 july 2026 at 10h00 at csir - chpc, 15 lower-hope street, rosebank, cape town. Failure to attend will result in disqualification. Last date for submission of enquiries/clarifications: 13 july 2026 at 16h30.

• Design, supply, install, commission, and maintain a solar pv plant • compulsory briefing session attendance required • construction & civil engineering (CIDB) expertise mandatory

• Rehabilitation of corroded foundations for towers 61 & 69 • valid CIDB registration in construction/civil engineering • compulsory briefing attendance required

Returnable documents: [document indicates this section exists but specific returnable requirements not captured in available text - refer to main tender document for complete list of required submissions]

• Submission of expression of interest (EOI) • participation in compulsory briefing session • compliance with SANRAL and CIDB requirements

Returnable documents: not specified in the provided text.

Submit the following with your tender: (1) information requested in the schedule of information. (2) paragraph-by-paragraph schedule of compliance, detailing any deviations from the specification. (3) if offering alternative systems: clear description of operating characteristics, special features, and motivation. (4) descriptive and illustrated brochures for inverter, ventilation equipment, and switchgear. (5) proposed layout. (6) battery arrangement details. (7) sample test report. (8) requested circuit diagram. (9) additional requested information. (10) list of successful UPS installations completed in south africa. All submissions must be in english and include detailed brochures of all equipment offered.

Submit electronically to [email protected] By the closing date and time. Use the RFQ number (csir RFQ NO. 9531/19/06/2026) and description as the email subject. File size must not exceed 25mb per email; split into multiple emails if necessary. Do not use cloud solutions (e.g., Wetransfer, google drive, dropbox). File names must be short and simple. Late submissions, incorrect email addresses, or submissions to wrong locations will be disqualified. Mandatory returnable documents (annexure b, coida letter, reference letters, saqcc-refrigeration level b6 certification, CIDB 3me or higher) must be included. Failure to submit these will result in disqualification. Attend the compulsory briefing session and site inspection; failure to do so will disqualify your bid.

Returnable documents are required but details are not specified in the extracted text.

Returnable documents:

Provide all required returnable documents as specified in the tender. Ensure submissions are complete to avoid disqualification. Submit a signed guarantee/warranty letter on official company letterhead from the ceo/managing director or delegated signatory (with proof of written delegation).