(6) From any alleged injury unaccompanied with force or resulting indirectly from any such alleged deficiency; shall be brought against any person performing or furnishing, or causing the performance or furnishing of, any such construction of such an improvement or against any person performing or furnishing, or causing the performing or furnishing of, any such designing, planning, supervision, and/or observation of any such construction or manner of construction of such an improvement, after the expiration of 6 years from whichever of the following dates shall be earliest:
a. The date of purported completion of all the work called for by the contract as provided by the contract if such date has been agreed to in the contract itself;b. The date when the statute of limitations commences to run in relation to the particular phase or segment of work performed pursuant to the contract in which the alleged deficiency occurred, where such date for such phase or segment of work has been specifically provided for in the contract itself;c. The date when the statute of limitations commences to run in relation to the contract itself where such date has been specifically provided for in the contract itself;d. The date when payment in full has been received by the person against whom the action is brought for the particular phase of such construction or for the particular phase of such designing, planning, supervision, and/or observation of such construction or manner of such construction, as the case may be, in which such alleged deficiency occurred; e. The date the person against whom the action is brought has received final payment in full, under the contract for the construction or for the designing, planning, supervision, and/or observation of construction, as the case may be, called for by contract;f. The date when the construction of such an improvement as called for by the contract has been substantially completed;g. The date when an improvement has been accepted, as provided in the contract, by the owner or occupant thereof following the commencement of such construction;h. For alleged personal injuries also, the date upon which it is claimed that such alleged injuries were sustained; or after the period of limitations provided in the contract, if the contract provides such a period and if such period expires prior to the expiration of 2 years from whichever of the foregoing dates is earliest.