TIFR issue Tender for DSITC of on-grid rooftop solar power plant at the main building terrace -EQ

Summary:

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**1. Tender Overview**
– **Issuing Entity:** Homi Bhabha Centre for Science Education – Tata Institute of Fundamental Research (HBCSE-TIFR), Mumbai.
– **Tender Reference:** HBC/PUR/PUBLIC TENDER 36/2025-26 dated January 20, 2026.
– **Work Description:** Design, Supply, Installation, Testing, and Commissioning of a 177 kWp On-Grid Rooftop Solar Power Plant at the main building terrace.
– **Estimated Contract Value:** ₹70,78,500 (including 8.9% GST).
– **Contract Duration:** 6 months from date of Work Order/LOI/PO.
– **Bid System:** Two-part (Technical Bid + Financial Bid).

**2. Key Financial Requirements**
– **Earnest Money Deposit (EMD):** ₹1,41,570 (2% of estimated cost) via Demand Draft or bank transfer to HBCSE account.
– **Performance Bank Guarantee:** 5% of Work Order value within 7 working days of award.
– **Security Deposit:** 2.5% of work value, deducted from running bills.
– **Financial Eligibility Criteria:**
– Average annual turnover for last 3 financial years must be at least ₹70,78,500.
– Should not have incurred loss in more than 2 years during last 5 years ending March 31, 2025.
– Audited balance sheets and Chartered Accountant certificate required.

**3. Technical Eligibility Criteria**
– **Experience Requirement:** Successful completion of similar works in last 5 years (ending March 31, 2025).
– Option 1: One order ≥ ₹56,62,800.
– Option 2: Two orders ≥ ₹42,47,100 each.
– Option 3: Three orders ≥ ₹28,31,400 each.
– **Definition of Similar Work:** Execution and maintenance of on-grid rooftop solar power plants.
– **Mandatory Requirements:**
– Site visit is mandatory.
– Pre-bid meeting attendance is mandatory (January 27, 2026).
– Zonal office in Mumbai.
– Registration/experience with Government/PSU/ reputed private organizations.
– Valid Electrical Contractor License for Maharashtra.
– **MSME/NSIC Relaxation:** May be exempted from EMD and certain pre-qualification criteria.

**4. Bidding Process & Submission**
– **Mode:** Physical submission (Two-envelope system: Technical + Financial).
– **Documents Downloadable From:** HBCSE website or https://eprocure.gov.in.
– **Submission Deadline:** February 09, 2026 by 2:30 PM.
– **Technical Bid Opening:** February 09, 2026 at 3:30 PM.
– **Where to Submit:** Tender Box at Main Gate or to Head, Administrative Operations, HBCSE, Mumbai.
– **No Fax/Email Bids:** Only physical submissions accepted.
– **Two-Envelope System:**
– Outer Envelope: Work name, bidder details.
– Envelope 1: Technical Bid (Annexures, documents).
– Envelope 2: Financial Bid (BOQ only).

**5. Compliance & Conditions**
– **Documentation:** All pages of tender document must be signed and sealed. Must submit complete set of mandatory documents with Technical Bid.
– **Language:** English only.
– **Validity:** 180 days from tender submission date.
– **Withdrawal Penalty:** Bid withdrawal before validity period or LOI leads to forfeiture of EMD and possible debarment from retendering.
– **Site Visit:** Mandatory before bidding.
– **Canvassing:** Strictly prohibited; leads to rejection and blacklisting.
– **Commonality Rules:** Bids with common PAN, GST, address, email, mobile, or signatory will be rejected.

**6. Technical Specifications & Scope**
– **Solar Modules:** 177 kWp capacity, TOPCON Bifacial, ≥22.5% efficiency, 12-year manufacturing defect warranty, 25-year performance warranty. Make: Tata Power Solar, Adani Solar, Vikram Solar, or ALMM-approved equivalent.
– **Inverters:** 2 Nos. of 80 kWp each, on-grid, IP66, remote monitoring. Make: Goodwe, Solis, Solax, Sungrow or approved equivalent.
– **Mounting Structure:** Aluminum, designed for 160 km/h wind speed, directly riveted to metal sheet roof.
– **Monitoring System:** Remote monitoring with real-time data logging (DC/AC parameters, irradiation, temperature).
– **Earthing & Lightning Protection:** Maintenance-free earthing system, ESE-type lightning arrestors, earth resistance ≤5 ohms.
– **Cabling:** DC cables per IEC 50618 (1.8 kV), AC cables FRLS/FRLSH type.
– **Protections:** DC/AC surge protection, islanding protection, reverse polarity protection.
– **Walkway:** FRP grating for maintenance access.
– **Insurance:** Required at all stages (dispatch to 1 year post-commissioning).
– **Statutory Approvals:** Bidder responsible for all approvals (MSEDCL, CEIG, MNRE, etc.) at own cost.

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