| Engineering or delegated design | Bid appears to exclude engineering, calculations, or delegated design. | Subcontract appears to require engineering or delegated design. | Professional design responsibility may be shifted without fee, schedule, or insurance basis. | Severe | Exclude delegated design unless specifically priced, insured, and listed with deliverables. |
| Overtime, premium time, or acceleration | Bid appears to exclude overtime, premium time, or acceleration. | Subcontract appears to require overtime, manpower increases, or acceleration. | Schedule recovery costs may be pushed to the subcontractor. | Severe | Clarify standard working hours and require written change order for acceleration, resequencing, weekend work, or premium time. |
| Permits and inspection fees | Bid appears to exclude permits, inspection fees, or third-party fees. | Subcontract appears to assign permits, inspections, licenses, or fees to the subcontractor. | Potential unpaid permit or inspection obligation. | High | State that permits, utility fees, and third-party inspection costs are excluded unless listed as an allowance or change order. |
| Temporary facilities and hoisting | Bid appears to exclude temporary facilities, dumpsters, lifts, scaffolding, storage, or hoisting. | Subcontract appears to assign temporary facilities or equipment obligations to the subcontractor. | Rental, equipment, logistics, and disposal costs may be unpriced. | High | List temporary facilities by responsible party and price any subcontractor-provided equipment separately. |
| Testing and inspections | Bid appears to exclude testing, inspections, or commissioning. | Subcontract appears to require testing, inspections, or commissioning. | Third-party and retest costs may be shifted to the subcontractor. | High | Identify who pays for required tests, inspections, failed tests, retests, and commissioning. |
| Sales tax, freight, storage, or escalation | Bid appears to exclude tax, freight, storage, or material escalation. | Subcontract appears silent, fixed-price, or inclusive of these costs. | Material and delivery exposure may be absorbed by the subcontractor. | High | State whether tax, freight, storage, and escalation are included, excluded, or carried as allowances. |
| Warranty duration | Bid appears to limit warranty or carry a standard one-year basis. | Subcontract appears to require a longer or broader warranty. | Warranty cost and callback exposure may exceed the priced basis. | Moderate | Align warranty duration, start date, exclusions, and manufacturer warranties before signing. |