Contractor shall at the earliest possible opportunity and in no case later than 15 calendar days after the circumstances of a claim have arisen, notify NIA that he (Contractor) intends to make a claim for extra cost or damages for causes other than those covered under Article GC-58, CONTRACTOR'S ALL RISK (CAR) INSURANCE and/or extension of time for completion of the Works or part thereof to which Contractor may consider himself entitled, and include with the notification a description of the circumstances of the claim in sufficient detail to enable NIA to investigate the circumstances of the claim at that time. Claims for damages or extra costs for causes covered under the CAR Insurance will not be entertained.
Not later than 30 calendar days after the circumstances of the claim have occurred Contractor shall submit to the Engineer (copy furnished the Administrator) a report giving full account and detailed particulars of the claim.
For claims of a recurring nature a report giving a full account and detailed particulars of the claims, including details on the claims for the previous months shall be submitted to NIA every month until the circumstances of the claim have ceased.
In either case, NIA shall determine the amount of extra costs or damages (except those covered under Article GC-58, CONTRACTOR'S ALL RISK INSURANCE and time extension for such claims.
Failure by Contractor to provide notices and reports as stipulated herein shall constitute a waiver by Contractor of any such claim.
No claim for extension of time will be entertained after the expiration of the Contract Time.