1.   Make sure each contractor is bidding on the same basic work and promising the same materials, such as particular model numbers of cabinetry and specific faucets.

2.   Normally, when contractors bid for government construction work, the one that submits the lowest bid wins.

3.   Q. Two contractors have bid to re-side my house, which now has aluminum siding on the front and cedar shingles on the sides and back.

4.   The authority is the only city agency that conducts integrity checks, known as prequalification investigations, before authorizing contractors to bid for work.

5.   The classic general contractor bid a job at a certain figure and was at risk for the loss if costs went above that level.

6.   The contractors bid on what the owner actually asked for.

7.   The unions promise to ensure a steady supply of labor and not to strike, and the agreements allow nonunion contractors to bid for the work.

8.   In Pokhara, contractors bid for government contracts and usually those who import cheap child laborers from India win the bid.

9.   The key component allows contractors to competitively bid on fixed-price contracts.

10.   Private companies would not actually own the shuttles, but private contractors would bid for the right to run launches and flight operations.