The document discusses claims and disputes in construction projects. It defines a claim as a request for payment or entitlements under the contract terms. Claims generally arise due to situations where a party has not fulfilled their contractual obligations. There are different types of claims such as those due to changes by the employer, delays, disruptions, defective specifications, and differing site conditions. Claims must have a basis in the contractual clauses or common law. Key contract clauses relate to areas like access to site, cooperation of parties, unforeseeable conditions, delays, testing, and taking over of works.