OPINION
RABINO WITZ, Justice.
In an effort to avoid construction delays and a complicated trial concerning property valuation, the City of Valdez and the owners of property the City was planning to condemn agreed that a panel of arbitrators should decide the fair market value of the property. Dissatisfied with the arbitrators’ decision, the City requested that the superi- or court overrule them. The court refused, entering judgment for the amount the arbitration panel had awarded. We affirm.
I. BACKGROUND.
When the City of Valdez decided to build a port, Ammunition Island was one logical
site. It was so identified in a February 1978 study by Dames & Moore, which the City had commissioned in 1977. By the summer of 1979, Ammunition Island had become one of two plausible locations for a public port, and the Corps of Engineers’ 1980 approval of a permit for the site left little doubt that the City would eventually purchase or condemn it. As site selection progressed, so did the other parts of the port project: the City commissioned economic and feasibility studies, raised money with an April 1979 bond election, and hired a contractor.
Negotiations with the owners of the Ammunition Island site — George Atkinson, Paul Nangle, A & G Construction, and Herman Sontag
— broke down in the early summer of 1980. With its contractor ready to proceed, the City began work in August. The property owners objected to the City’s trespass, declarations of taking were filed, and shortly thereafter construction finally commenced.
Evaluating the tracts as of August 15, 1980, the date of taking, was difficult. Comparable sites in the Valdez area were hard to identify. The property’s highest and best use — port site, barge dock, general industrial — was not immediately clear. Certainly the City’s interest in and discussion of a port project had increased the site’s value. The extent to which this increase was compensable raised complicated factual and legal issues. Whether and for what purposes the arbitrators could legally have used economic and feasibility studies the City had commissioned when they determined the property’s fair market value is the principal legal issue raised in this appeal.
Other problems made evaluating the property more difficult. There was an initial question about whether or not the property owners had abandoned their access route to the dock site. (The arbitrators eventually found that the property owners had not abandoned the access route and the City does not raise this issue on appeal.) One tract had been rented from the City, and was subject to the City’s right to grant an easement across it. When the property owners had attempted to develop a dock, they had obtained a Corps of Engineers permit, and one condition of the permit was that they might have to restore the property to its original condition if the permitted work was not completed; because they did not finish the dock, an obligation may have been owing to the Corps, and that obligation arguably reduced the property’s fair market value. Given these and other factual difficulties and the City’s pressing need to begin work on its port project, the parties decided to submit the valuation question to arbitration. Stipulations established that three arbitrators were to find facts and the superior court was to answer “[qjuestions requiring a determination of law rather than fact.” A list of potential legal questions was agreed to. “Should any party desire to raise issues of substantive law to be decided by the court or desire to instruct the arbitration panel respecting the law to be applied,” the final stipulation recited, those issues and instructions were to be submitted to the superior court before the arbitrators began to deliberate.
The parties and the superior court worked out a set of instructions to be given to the arbitration panel. Four days later, the panel began what were to be ten days of hearings. After these were over, it considered the facts, the instructions, and an elaborate set of special-verdict-like questions. The panel reported its decision on a form attached as an appendix to this opinion.
After deciding to consider the economic and feasibility studies, the panel, composed of three M.A.I. appraisers with commercial waterfront experience, valued the two principal tracts (Tracts 1 and 2) at $1,450,000. If they had not considered the studies, the arbitrators reported, they would have valued these two tracts at $575,000 — an $875,-000 difference. As for the tract which the property owners had been renting from the City (Tract A), the arbitrators concluded that its capitalized fair market value over the lease term was $35,000; that the capitalized value of the rent the property owners would have had to pay was zero; and that the fact that the City could have granted itself an easement across the property did not reduce the property’s fair market value. They then decided that the fourth tract (Tract 3) was worth $15,000 as of the August 15, 1980 valuation date. Finally, they found that any obligation that might have been owing to the Corps of Engineers was not concrete enough to reduce the property’s fair market value. The panel thus valued the property owners’ total interests at $1,500,000.
Dissatisfied with the arbitrators’ decision, the City turned to the superior court. The superior court rejected the City’s appeal, concluding that the arbitrators’ factual determinations had left it with very few legal questions to decide. With respect to the feasibility studies, the court found that the arbitrators had been properly instructed not to consider the influence of the proposed project on the property’s value. The court concluded that the arbitrators’ decision to use the feasibility studies was a valid “exercise of their fact finding function.”
As to the other disputed findings, the superior court found that the arbitrators had not warped the rules of “evidence or ... law or even the principles of proper appraisal” in order to arrive at their conclusions.
Final judgment was eventually entered, and this appeal followed.
II. THE PROCEDURE THE SUPERIOR COURT USED WAS FAIR.
At the outset we must consider Valdez’s vigorously argued contention that the
procedures the superior court used were fundamentally unfair and failed to comply with the parties’ stipulations. The City believes that the parties drew a significant distinction between factual and legal issues, and that when the superior court decided to defer to the arbitrators’ factual findings it both misused those findings and disregarded its own responsibilities under the stipulations. This argument is made most forcibly with respect to the economic and feasibility studies the City had commissioned.
Here Valdez contends, first, that the arbitrators were to apply two different legal theories to the facts before them, not to choose between them, and second, that if the arbitrators did indeed choose between the alternatives the superior court had no reason to defer to their choice. Because we think that the City’s view of these procedures is, while understandable, inconsistent with the terms of the agreements between the parties, we reject its arguments and conclude that the superior court’s approach was essentially correct.
The parties’ first important stipulation established that “all the provisions of law and the civil rules shall apply to this case including, without limiting the generality of the foregoing, the determination and award of just compensation, interest and attorney fees, except that the amount of just compensation shall be determined by binding arbitration rather than by a master, jury or the court.” The parties amended their stipulation in several important ways not long before the arbitration was to begin, agreeing, among other things, that “[questions requiring a determination of law rather than fact” were to be decided by the court, but that there would be “legal questions on which the panel makes decisions-”
From the original and amended stipulations we can draw several conclusions. First, it seems that legal issues were at least initially to be raised to the superior court before the arbitrators met and were
to be resolved in the instructions which they were to be given. Second, the parties believed that the panel would be making decisions on legal questions. Finally, legal decisions made pursuant to the instructions were to be “appealable.” In itself the stipulation does not determine whether the question of whether and for what purposes the economic and feasibility studies could be used was initially to be decided by the panel or exclusively reserved for the trial judge.
On the other hand, the question of who was to make the initial determination as to whether the studies could be used was settled by the terms of the special verdict form and instructions on which the parties agreed.
In this regard the panel was specifically instructed that:
The value of the property interests condemned shall be calculated as the fair market value thereof at the date of taking.
Fair market value is defined as the price in money which a purchaser willing but not obligated to buy the property would pay to an owner willing but not obligated to sell it, under conditions where both buyer and seller are both [sic] knowledgeable about the property, taking into consideration all uses for which the land was suited and might in reason be applied.
And the form the arbitrators were to use told them first to determine fair market value and then to report on whether or not in making this determination they had considered the studies:
Tracts 1 and 2
II. On August 15, 1980, what was the fair market value of property owners’ interest in
Tract 1 $_
Tract 2 $_
A. Was your determination of the fair market value of the property owners’ interest in Tracts 1 and 2 affected by the various feasibility studies and other studies completed for the City of Valdez prior to the date the site of the dock project was selected?
Yes _ No_
If yes, what would your determination have been had you not considered those studies?
1. Tract 1 $_ ’
2. Tract 2 $_
We think it clear from the foregoing that the arbitrators were not simply applying two alternative theories of law to the facts, but were in fact choosing between them. This is how the superior court analyzed the situation. Its characterization of the arbitrators’ choice as factual rather than legal may have been technically incorrect, but the superior court correctly perceived that the legal questions concerning the studies depended in large part on factual questions committed to the arbitrators.
These legal and factual questions will be discussed in more detail immediately below. For now, it is sufficient to say that one argument against the studies, that they were “part of the [port] project,” was purely legal, and that another argument, that they were conducted after the property was within “the scope of the [port] project,” depended on a factual determination. Although we do not think that the superior court should have deferred to the arbitrators on the purely legal “part of the project” question, we also think that the result the superior court reached was correct. As for the factually dependent “scope of the project” arguments, we conclude that the superior court’s decision to defer to the panel was legally justified.
III. THE ARBITRATORS’ DECISION TO USE THE CITY OF VALDEZ’S STUDIES.
On the merits, we hold that there was no reversible error in the panel’s use of the studies the City of Valdez commissioned. Geotechnical and environmental evaluations of a particular site help demonstrate how a particular piece of property can best be used. Studies showing that a port project would be economically feasible make sites on which that project might be located more valuable. Had these studies not been conducted, the panel concluded, the property in question would have been worth $625,000, not $1,500,000. Nothing in the record suggests that this conclusion is erroneous. Nevertheless, Valdez now argues that the panel’s decision to use these studies was legally and factually incorrect, and asks this court to reduce the arbitrators’ award by $875,000.
We think it important to note that Valdez is not trying to distinguish among the ways in which the arbitrators could have used the studies to determine the property’s fair market value; instead, it advances the more limited contention that as a matter of law the arbitrators could not legally have used the studies for any value-related purpose. Its all-or-nothing position has been consistent: it had an opportunity to submit cautionary instructions to the arbitrators, and none were submitted. Because the studies were clearly relevant to an inquiry into the property’s highest and best use,
cf. City of Los Angeles v. Decker,
18 Cal.3d 860, 135 Cal.Rptr. 647, 558 P.2d 545 (1977),
many of Valdez’s contentions must be rejected out of hand.
A sizeable portion of Valdez’s principal argument can be reduced to a play on words. A piece of property, it says, cannot be valued as part of the project for which it was condemned. The studies were part of the project. Therefore, it concludes, the arbitrators’ decision to consider the studies was legally erroneous. But similar arguments made four years ago were rejected by this court. In
State v. Alaska Continental Development Corp.,
630 P.2d 977 (Alaska 1980), a case involving highway condemnation, we held that
value resulting from the general knowledge that the [highway] project was planned was proper to consider up to the date the route was chosen.
Id.
at 984-85. The announcement that this highway project was underway was just as much a part of that project as the studies at issue here were part of the City of Valdez’s port development. Because we held in
Alaska Continental
that value resulting from this announcement was com-pensable,
we reject Valdez’s semantic “part of the project” arguments as merit-less.
We believe, however, that Valdez’s arguments obscure a more difficult problem. It is not difficult to imagine cases in which a local government’s preliminary work on a public project actually changes the highest
and best use a piece of property has in private hands. In fact, we can assume for purposes of argument that this has happened here: without studies showing that a port would be economically feasible, no tract of Valdez land would be best used as a private port; without studies showing that the condemned property was seismically sound, no private developer would have wanted to locate a port on it. In this way the property’s highest and best use — and resulting value on the private market— may have been the City of Valdez’s creation. Once one strips away the semantics, Valdez’s most telling point is that it should not have to pay for values for which its own efforts are responsible.
This objection’s force extends well beyond values which the project for which property was condemned has created. But it is settled law that if unrelated governmental actions enhance a tract’s value — by civic support, for example, for an aggressive and well-financed shippers’ association — the property’s owner is entitled to additional compensation. Moreover, if two separate public projects will affect one tract, the owner of property taken for one project is entitled to compensation for the enhanced value the other project would have brought to his or her property.
Alaska Continental,
630 P.2d at 983, following 4 Nichols, § 12.3151[3].
We will not require fact-finders to deal in abstractions. Valuation should try to exclude values which appear when the market is distorted; when the market is functioning normally, the evidence it presents should be considered. We believe that the proper time to exclude project — enhanced value from a fact-finder’s calculations is when the property is likely to be condemned and its market value thus reflects the owner’s chance to “hold up” the government which is planning to take it. Until then, project-enhanced value is com-pensable.
We thus conclude that the problem of government-created highest and best uses can be solved by applying the “scope of the project” rule, which we discussed briefly in
Alaska Continental
and which has been exhaustively examined by courts and commentators.
One court has stated the rule in the following way:
If the condemned land was probably within the scope of the governmental project for which it is being condemned at the time the Government became committed to that project, then the owner is not entitled to any increment in value occasioned by the Government’s undertaking the project.
U.S. v. 320.0 Acres of Land,
605 F.2d 762, 781-82 (5th Cir.1979). To this we add that whenever it becomes likely that the property will be condemned — whether or not the property was originally within the project’s scope — project-enhanced value ceases to be compensable.
See Merced Irrigation District v. Woolstenhulme,
4 Cal.3d 478, 93 Cal.Rptr. 833, 483 P.2d 1, 13-14 (1971) (en banc). The rule thus prevents property owners from receiving many unjustified windfalls, as when, for example, formal condemnation of property which everyone knows will be taken is delayed. See
Wool-stenhulme,
93 Cal.Rptr. at 845-846, 483 P.2d at 9. We believe that this rule properly separates general government-caused value enhancement from the specific situations in which a government may well have to pay twice for its preliminary project work — once directly, and again as compensation for the value the preliminary work adds to condemned property. Because the scope of the project rule was presented to the arbitrators, we conclude that the superior court properly refused to upset the most significant part of their award.
“Scope of the project” arguments, unlike the “part of the project” argument we have rejected, depend on questions of fact.
Alaska Continental,
630 P.2d at 984. While the legal instructions to the arbitrators embodying this rule were not complete, they did quote
Alaska Continen
tal’s most important reference to the rule
and the arbitrators were specially warned against awarding compensation for “hold up” value. Although a clearer and more detailed statement of the rule would have been preferable,
arguments based on the rule were in fact presented to the panel and to the superior court. Our review of the record persuades us that the rule was properly applied below. On the facts before them, the panel and the superi- or court could have concluded that the studies were complete several months before the Ammunition Island property was within the project’s scope.
Given the limits on the question we must answer — on the facts presented to it, could the panel legally have considered the studies? — the arbitrators’ factual conclusions end our inquiry.
IV. MISCELLANEOUS VALUATION ISSUES.
A.
Valuation of the Property Owners’ Leasehold Interest.
The other issues this case presents require rather less detailed examination. One of the tracts the City of Valdez condemned was in fact owned by the City and leased to the property owners. The lease which property owner Sontag had signed provided for periodic rent adjustments and reserved a right in the lessor (then the State of Alaska, eventually replaced by the City) to grant easements across the property. Instructed to compute the leasehold’s fair market value, reduce it to present value, subtract the capitalized value of the rent the property owners would have paid, and determine what deductions, if any, should be made to reflect the City’s easement rights, the arbitrators concluded that on the date of taking the property owners’ interest was worth $35,000. In reaching this figure they decided that the capitalized value of the rent that would have been paid was zero and that the easement rights did not reduce the leasehold’s fair market value! Our review of the record does not persuade us that the arbitrators committed error, gross or otherwise.
B.
The Property Owners' Obligation To Restore Property To Its Original Condition.
Another problem arose over a permit which the property owners had received from the Army Corps of Engineers. Under this permit’s terms, the Corps had the right to require the property owners to restore certain tidal land to its original condition, if the barge dock project for which the property owners had sought the permit was abandoned or not finished by a specified date. Evidence submitted to the panel suggested that the permit’s time had run but that, when the property was taken, the Corps had not yet demanded restoration. The arbitration panel’s task was to determine whether or not this as yet unenforced obligation reduced the property's fair market value. Finding that it did not, the arbitrators also concluded that if the Corps had chosen to exercise its right the property’s value would have decreased by $18,500.
The record shows that whether or not to require restoration was up to the Corps and that it was quite possible that the Corps would not have required the property owners to restore the property to its original condition.
We decline to reverse the arbitrators’ factual findings.
V. AS 09.55.440(a) IS UNCONSTITUTIONAL.
One other issue requires comment. As it entered judgment in this case, the superior court held that AS 09.55.-440(a), which fixes the pre- and post-judgment interest awarded in “quick-take” condemnations at six percent, was unconstitutional. We affirm. In most Alaskan lawsuits, including some condemnation actions, trial courts must assess pre- and post-judgment interest at the legal rate of 10.5 percent. AS 09.30.070 and 09.55.330. Condemnation proceedings which begin with a declaration of taking constitute what we have twice warned is an unsound exception.
State v. Alaska Continental Development Corp.,
630 P.2d 977, 995-96 + nn. 28-32 (Alaska 1980);
Triangle, Inc. v. State,
632 P.2d 965, 971 (Alaska 1981). If the State or one of its subdivisions condemns property via a declaration of taking, it gains immediate title and right to possession, but the interest it must pay is only six percent.
As we said in
Alaska Continental,
“[a] rational explanation for assessing a lower rate of interest against the state ... in cases where it gains control and use of the property at an earlier time does not occur to us.” 630 P.2d at 995 n. 31. Moreover, six percent interest encourages the condemning government to delay payment to the property owner and use what we have called the more onerous condemnation procedure.
Id.
at 996. Although we have twice refused to strike down the statute in the hope that the Legislature would revise it
(.Alaska Continental,
630 P.2d at 996;
Triangle,
632 P.2d at 971), AS 09.55.440(a) is still on the books, and the property owners correctly argue that it violates the Alaska Constitution’s equal protection clause.
We thus affirm the trial court’s decision to award pre- and post-judgment interest at 10.5 percent, and hold AS 09.55.440(a) unconstitutional. The lawful rate of interest set forth in AS 09.30.070 thus applies to this type of condemnation.
AFFIRMED.
REPORT OF ARBITRATION PANEL
Answer the following questions in accordance with the court’s “Instructions to Arbitrators.”
I. On August 15, 1980, what was the highest and best use of
A. Tract 1 Marine-Oriented Indus-
trial_*
B. Tract 2 Hold for future Marine-Oriented Industrial use_*
C. Tract A Access corridor_*
D. Tract 3 Access corridor_*
Tracts 1 and 2
II. On August 15, 1980, what was the fair market value of property owners’ interest in
Tract 1 $ 450,000 **
Tract 2 $ 1,000,000 **
A. Was your determination of the fair market value of property owners’ interest in Tracts 1 and 2 affected by the various feasibility studies and other studies completed for the City of Valdez prior to the date the site of the dock project was selected?
Yes X No_
If yes, what would your determination have been had you not considered those studies?
1. Tract 1 $ 450,000
2. Tract 2 . $ 125,000
B.Was your determination of the fair market value of the property owners’ interest in Tracts 1 or 2 reduced by the obligation to remove fill imposed by the property owners’ Corps of Engineers’ permit?
Yes _ No X
*As a part of the whole property.
**
Contributory value as a part of the whole property, i.e., not necessarily the value as a separate entity.
If yes, by how much?
1. Tract 1 $ N/A
2. Tract 2 $ N/A
If no, by how much would such an obligation reduce the fair market value of property owners’ interest in Tracts 1 and 2?
1. Tract 1 $ 6,000_
2. Tract 2 $ 4,000_
Tract A
III.
A. Find the capitalized then fair market value of Tract A, for the remainder of the property owners’ lease term, reduced to present value as of August 15, 1980?
$ 35,000
B. Find the capitalized value of the rent the lessees were required to pay, if any, as adjusted periodically under the terms of the lease, reduced to present value as of August 15, 1980.
$ -0-
C. Subtract (B) from (A) and enter the difference or zero, whichever is greater.
$ 35,000
D. Compute an answer to III(C) (compensation for Tract A leasehold interest) based on the following:
Defendants’ property interest in Tract A is subject to the City’s right to grant or exercise an easement or right-of-way 100 feet wide across Tract A, and the City need not pay for such an easement or right-of-way.
$ 35,000
E. Was your determination of the fair market value of the property owners’ interest in Tract A affected by the various feasibility studies and other studies completed for the City of Valdez prior to the date the site of the dock project was selected?
Yes X No_
If yes, what would your alternative determinations for questions in sections III (C) and (D) have been, had you not considered those studies?
1. Ill (C) $ 35,000
2. Ill (D) $ 35,000
F.Was your determination for the fair market value of the property owners’ interest in Tract A reduced by the obligation to remove fill imposed by the property owners’ Corps of Engineers’ permit?
Yes __ No X
If yes, by how much?
$ N/A
If no, by how much would such an obligation reduce the fair market value of property owners’ interest in Tract A?
$ 6,500
Tract 3
IV. Have the property owners abandoned their interest in Tract 3?
Yes _ No X
If no, what was the fair market value of their interest on August .15, 1980?
$ 15,000
A. Was your determination of the fair market value of property owners’ interest in Tract 3 affected by the various feasibility studies and other studies completed for the City of Valdez prior to the date the site of the dock project as selected?
Yes_ No X
If yes, by how much?
$ N/A
B. Was your determination for the fair market value of the property owners’ interest in Tract 3 reduced by the obligation to remove fill imposed by the property owners’ Corps of Engineers’ permit?
Yes No X
If yes, by how much?
$ N/A
If no, by how much would such an obligation reduce the fair market value of property owners’ interest in Tract 3?
$ 2,000
Date: 7/15/81
/&/
Alfred J. Ferrara Chairman of the Arbitration Panel