1) according to claim the parties classificationBetween the contractor and the developer claims itself;Between the contractor and subcontractor claim itself;Second-ranking between contractor for loans with claims;Second-ranking between with the underwriter claim ) the effects of the event of classification according to the claimTime delay claims due to the developer had failed to provide construction conditions prescribed by the contract, if not prompt delivery design drawings, technical data, site, road; Or the contractor reason the developer instructions to stop the project implementation; Or other causes of force majueure effect cause for engineering interrupt, or engineering progress slow down, make this time delay, contractor a unforeseeable external obstacles or condition claim if during construction, the contractor on the scene encountered an experienced contractor usually can't foreseen the external obstacles or conditions, such as geology and expected client provides information) (different, appear unforeseen rocks and mud and groundwater, engineering change claim because the developer or engineer instruction modified design, increase or decrease of quantities, add or delete part of the project, modify implementation plan, change construction sequence of the extension of time and cost, causing loss this claim, the project for some reason terminate claims, such as force majeure influence, the developer default, the engineering was forced to have stopped before completion, and no longer continue implementing, make the contractor incur pecuniary loss, therefore lodge a claim against other claim such as currency devaluation, exchange rates, prices and wages rise, policy law change, the developer delayed payment of claims caused ) according to the claim classificationThe claim which requires time second-ranking extended period, delayed completion expenses claims which requires the developer compensation costs, adjust the contract ) press claim based on the reason classificationSecond-ranking contract in claims that claims to contract provision as basis, happened to compensate for the contractor stipulated in the contract, the contractor the disturbance events claim according to the contract stipulations. This is the most common claim refers to contract the interference of engineering during the nature of the event has exceeded the contract scope. In the contract can't find out specific basis, the general must according to applicable to contracts of legal relation of solving moral claim to because the contractor mistake (. quotation blunders, such as environmental investigation errors occur, or the contractor shall) caused by the contractor for the risk of severe ) handling of classified according to the claimSecond-ranking single claim is for single claim a jamming events proposes. Claims processing is implementation of the contract, interference event happens, or after once. It consists of contract management personnel handling, and in the provisions of the contract within the validity of the claim of intent and claim to submit claims also called package itself claims or comprehensive claims. This is often adopted in international engineering claim to handle and solve a method. General in the project completion, the contractor will engineering process before the single claim not solve together and puts forward a total claims report. In engineering contract both sides before or after delivery of the final negotiations, delivered with package solving claim.