(Brotherhood of Maintenance of Way Employes PARTIES TO DISPUTE: (Missouri-Kansas-Texas Railroad Company



(1) The Carrier violated the Agreement when it assigned Extra Gang Foreman A. K. Parks instead of C. D. Matteson to operate a back hoe machine on December 20, 21, 22, 23, 27 and 28, 1971 (System File 0-142/2579).

(2) C. D. Matteson be allowed the difference between what he would have been paid at the machine operator's rate and what he received at the track laborer's r of the violation referred to within Part (1) of this claim.

OPINION OF BOARD: The Claimant, a furloughed machine operator, was
working as a track laborer on Gang No. 167 during
the course of repairs to a highway crossing. On the claim dates the
regularly assigned foreman of the gang operated a backhoe machine for
a total of 16 1/2 hours and, in consequence, an award is sought on
Claimant's behalf for the difference between the laborers' rate and the
foreman's rate for 16 1/2 hours. The Employes' theory for the claim is
that the need for the use of the backhoe machine created a vacancy and
that Carrier's failure to assign it to Claimant, who was available and
qualified to accept the assignment, was in violation of agreement Rules
4 and 6(a) of Article 5 and Rule 1 of Article 3. These rules read as
follows:

















The Carrier's defense on the property, inter alia, was that the scope rule of the agreement is a general one and, hence, the operation of the backhoe machine is based on the scope rule, but instead was based on past practice under Rules 4 and 6(a) and (b) of Article 5 and Rule 3 of Article 6. In dealing with the past practice issue on the property, the parties stated the following:









zls:










From the foregoing and the whole record, it becomes apparent that the Employes have based their claim on the existence of a particular past practice under certain rules of the agreement. However, the Carrier not only challenged the past practice as asserted by the Employes, but also asserted that a contrary practice existed which conformed with Carrier's action in this dispute. In these circumstances the Employes had the burden of adducing evidence to p alleged, but the Employes have provided no evidence at all to satisfy this burden. Indeed, though the past practice issue was fully joined when the Employes wrote their letter of July 14, 1972, this letter merely refers to Carrier's stated version of the past practice and repeats the allegation that the agreement was violated. Mere repetition of argument and allegations does not substitute for claim.

We note in conclusion that, in view of our disposition of this dispute on the ground of lack of evidence in respect to a particular allegation, it is not necessary






That the Carrier and the Employes involved in this dispute are respectively Carrier and Employes within the meaning of the RailwayLabor Act, as approved June 2
That this Division of the Adjustment Board has jurisdiction over the dispute involved herein; and





        Claim dismissed.


                        NATIONAL RAILROAD ADJUSTMENT BOARD

                        By Order of Third Division


ATTEST: G(ii I/
Exeuctive Secretary

Dated at Chicago, Illinois, this 30th day of April 1974.