Competitions;

 Adjudication;

 Contract sign;

 Delay in delivery of the site of the work;

 Extemporary deliver of the money advance;

 Temporary suspension of building site;

 Delay in the payment of the estimation;

 Delay in the consent of the extraordinary Unitary Prices;

 Process and negotiation of the cost adjustment;

 Delay in the consent of the cost adjustment;

 Decrement of the contract amount for the work;

 Increment of the time for execution;

 Administrative rescission of the contract.