Why GFRP BOQ Is Different
GFRP differs from TMT in ways that matter for accurate costing.
Key Differences
1. Unit of Measurement Measure by linear metre, not just kg. GFRP is 75% lighter — per-kg comparison makes it appear expensive.
10,000m of 8mm: TMT = 3,950kg. GFRP = 1,050kg.
2. Factory-Bent Bars Are Separate Line Items No on-site bending. Stirrups, hooks, cranks = factory items with bending schedule.
3. Lower Cutting Labour Angle grinder cutting — faster than steel.
4. Lower Wastage Factor GFRP wastage 2–3% vs 5–7% for TMT.
Recommended BOQ Item Description
Supply, deliver and fix GFRP rebar conforming to IS 18256:2023, [dia]mm, including straight and factory-fabricated bent bars per approved bending schedule.
Specification Clause Checklist
- IS 18256:2023 reference
- Fibre type: E-glass or ECR-glass
- Resin: Vinyl ester (aggressive environments)
- Surface: Helical wrap or sand coating
- NABL test report required with each supply
- No site bending permitted
Unit Rate Benchmarks (2026)
| Dia | ₹/kg | ₹/metre |
|---|---|---|
| 8mm | ₹200–260 | ₹21–27 |
| 12mm | ₹185–245 | ₹44–58 |
| 16mm | ₹180–235 | ₹76–99 |
| 20mm | ₹178–230 | ₹117–151 |
RN Elements provides BOQ rate schedules within 24 hours on request.