The court shall modify or correct the award in any of the following cases:
a. Where there was an evident miscalculation of figures or an evident mistake in the description of a person, thing or property referred to therein;
b. Where the arbitrators awarded upon a matter not submitted to them unless it affects the merit of the decision upon the matter submitted; and
c. Where the award is imperfect in a matter of form not affecting the merits of the controversy.
The court shall modify and correct the award, to effect the intent thereof and promote justice between the parties.