How Do Engineers Prepare a Technical Bid Evaluation for Tower Packing Suppliers?
For industrial tower projects, supplier selection is usually not based only on quotation price.
After receiving proposals from multiple suppliers, engineers often perform a Technical Bid Evaluation (TBE) before commercial comparison.
The purpose of technical bid evaluation is to confirm:
- Whether the supplier meets project requirements
- Whether the proposed product is technically suitable
- Whether there are any deviations or risks
- Which supplier provides the most reliable technical solution
This process is commonly used in:
- EPC projects
- Chemical plants
- Refinery projects
- Process equipment upgrades
Why Is Technical Bid Evaluation Important?
Tower packing and internals directly influence:
- Separation efficiency
- Pressure drop
- Operating capacity
- Equipment reliability
A supplier with the lowest price may not always provide the lowest project risk.
Technical evaluation helps engineers identify:
- Specification differences
- Material differences
- Design limitations
- Documentation gaps
before the purchase decision.
What Information Is Reviewed During Technical Bid Evaluation?
1. Supplier Compliance With RFQ Requirements
The first step is checking whether the supplier follows the customer's requirements.
Engineers review:
- Product type
- Material requirement
- Size requirement
- Quantity
- Delivery requirements
- Documentation requirements
Example:
Customer RFQ:
SS316L structured packing
Supplier proposal:
SS304 structured packing
This would be considered a technical deviation.
2. Product Technical Parameters
Engineers compare key technical data.
For tower packing, this may include:
- Packing type
- Size
- Material
- Specific surface area
- Void fraction
- Packing factor
- Density
The purpose is to confirm that different suppliers are quoting comparable solutions.
3. Material Compliance
Material review is important for corrosive applications.
Engineers check:
- Material grade
- Chemical compatibility
- Temperature limitation
- Certification requirements
Examples:
- PP
- SS304
- SS316L
- Ceramic materials
Incorrect material selection may create long-term operation risks.
4. Engineering Documents
Technical evaluation usually reviews available documents.
Examples:
- Datasheets
- Drawings
- Material information
- Quality documents
- Test reports
Complete documentation helps engineers verify supplier capability.
5. Design Approach
For customized tower internals, engineers review:
- General arrangement
- Component design
- Installation method
- Segmentation approach
Examples:
- Liquid distributor
- Redistributor
- Mist eliminator
- Support grid
6. Manufacturing Capability
Engineers may evaluate whether the supplier can manufacture the proposed solution.
Considerations include:
- Production experience
- Fabrication capability
- Quality control
- Customization ability
This is especially important for:
- Large diameter internals
- Revamp projects
- Special materials
How Do Engineers Perform Technical Bid Evaluation?
Step 1: Create Evaluation Criteria
Before reviewing suppliers, engineers define:
- Required specifications
- Acceptance criteria
- Mandatory documents
Step 2: Review Supplier Technical Submission
Engineers compare:
- Compliance
- Deviations
- Missing information
Step 3: Identify Technical Deviations
Common deviations include:
- Different material grade
- Different product dimensions
- Different performance data
- Missing documentation
Each deviation should be evaluated for impact.
Step 4: Compare Technical Advantages
Engineers may consider:
- Better corrosion resistance
- More complete documentation
- Better installation support
- More suitable design
Step 5: Prepare Technical Recommendation
The final technical evaluation may include:
- Accepted suppliers
- Rejected suppliers
- Required clarifications
- Technical comments
What Does a Technical Bid Evaluation Usually Include?
Supplier Information
Including:
- Company profile
- Manufacturing capability
- Experience
Product Information
Including:
- Product specification
- Material
- Performance data
Compliance Review
Including:
- Requirement status
- Deviations
- Comments
Engineering Review
Including:
- Design suitability
- Installation considerations
- Technical risks
Common Mistakes During Technical Bid Evaluation
Selecting the Lowest Price Before Technical Review
This may result in:
- Wrong specifications
- Poor performance
- Additional costs
Comparing Different Products as Equivalent
Similar product names may have different:
- Performance
- Material
- Quality
Ignoring Deviations
Small differences may create large project risks.
Focusing Only on Documents
Documents are important, but engineers should also evaluate:
- Manufacturing capability
- Technical communication
- Project experience
What Information Should Suppliers Provide for Technical Evaluation?
A complete technical submission may include:
Product Documents
- Datasheets
- Specifications
- Drawings
Quality Documents
- Material certificates
- Inspection records
Engineering Information
- Application experience
- Installation information
- Technical comments
How DAIER Supports Technical Bid Evaluation
DAIER provides engineering information for:
- Random Packing
- Structured Packing
- Liquid Distributor
- Redistributor
- Packing Support Grid
- Hold-down Grid
- Mist Eliminator
- Customized Tower Internals
DAIER supports customers with:
- Technical datasheets
- Engineering communication
- Product documentation
- Customized project support
DAIER helps customers evaluate tower separation solutions based on engineering requirements and project conditions.
Specs and test data available upon request.