VOB Tender: Creating a Bid
Construction tenders under VOB have specific rules and requirements. This guide helps you create a professional bid.
What do VOB/A, VOB/B, and VOB/C regulate?
- VOB/A: Procurement rules (below and above EU thresholds)
- VOB/B: Contract conditions (variations, delays, acceptance, warranty)
- VOB/C: Technical standards (DIN norms for individual trades)
How do I create a VOB-compliant construction calculation?
Structure: Direct costs (labor, materials, equipment, subcontractors), site overhead, general overhead, risk and profit. Use GAEB format with AVA software. Patterno BID offers native iTWO integration.
How do I include subcontractors in a VOB bid?
Submit subcontractor declarations with your bid. Some authorities require minimum self-performance. Obtain subcontractor prices at least 2 weeks in advance.
When are alternative bids allowed in VOB tenders?
Only allowed if not excluded in the notice. Must be technically equivalent. Can provide competitive advantages through innovative solutions.
Which mistakes in VOB bids must I avoid?
- Unpriced items in the BoQ
- Unauthorized changes to the BoQ
- Mixed calculations
- GAEB transfer errors
- Missing subcontractor declarations
VOB tenders require solid construction knowledge and clean calculation. Use professional software and thorough pre-submission checks.