Tenders


(239 kb)
Date : Oct 04, 2019
Minutes of Pre-bid meeting/Clarification - Design, Supply, Installation, Testing and Commissioning of 50 KWp Grid Interactive SPV based Rooftop Solar Power System for Reserve Bank Staff College, Chennai

RBI/RBSC//116/19-20/ET/116

Sl No. Clarification sought Clarification furnished
1. As per TNEB policy, reverse power relay shall be provided for the grid-connected solar installations without net metering to avoid back feeding to the grid. Whether the installation of reverse power relay will be under the scope of tender? It is clarified that the installation of the reverse power relay shall be under the scope of the contract.
2. Whether the installation shall be carried out on a single rooftop? It is clarified that the location of the installation shall be on the terrace of Administration block and old hostel building. All the accessories (including pyranometer) shall be provided for each of the plants. Please refer to para 1 (a) (scope of work) of Section – IX (Technical specifications) in the tender document.
3. Is it compulsory to use Indian make inverters/ PCUs for the work? It is clarified that tenderers may also use imported inverters/ PCUs. Necessary documents shall be submitted for proving the country of origin.
4. i) Whether galvanized iron structures can be used for fixing solar panels on the terrace?

ii) Whether additional blocks for grouting is permissible?
Please refer to the para 1 (b) (scope of work) of Section – IX (Technical specifications) of the tender document.
5. Whether the installation of cable tray on the terrace is permissible? It is clarified that cable tray of sufficient size shall be used for proper routing of cables wherever necessary.
6. Is it permissible to design the system with higher DC KWp than the rated capacity of inverter? It is clarified that connected DC KWp should not be less than the rated capacity of inverter.
7. Clarification has sought regarding the guaranteed energy generation for 25 years. It is clarified that “Efficiency of solar PV System shall be guaranteed to minimum 90% at the end of 10 years and 80% at the end of 25 years”.
8. Sought details regarding the type of lightning arrestor and earthing to be used. It is clarified that lightning arrestor shall be designed by ensuring the safety of the overall installation. With regard to the earthing, please refer para 1 (e) (scope of work) of Section – IX (Technical specifications) of the tender document.
9. Whether Class II pyranometer only to be provided? Please refer to the para 7.10.6 of the tender document.
10. Whether water will be provided to clean the solar panels? Please refer to the para 1 (k) (scope of work) of Section – IX (Technical specifications) in tender document.
11. Whether any concession is available in GST for RBI related works? It is clarified that no concession is available in GST for RBI related works.
12. Whether any concession on EMD is available for MSME vendors? It is clarified that Micro and Small enterprises are exempted from remitting EMD.

List of Participants for the pre-bid meeting:-

Sl.no Name of vendor Name of the representatives
1. M/s. Swelect Energy Systems Shri. M. Taraka Rama Rao
2. M/s. Visalam Technology Services Shri. Shyam Sundar
3. M/s. TORP Systems Pvt. Ltd Shri. Oommen Mathew
4. M/s. Techser Power Solutions (P) ltd. Shri. N. Vijayan


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