Opinion
The appeal at bench concerns the recovery of real property taxes for the 1973-1974 assessment year levied upon a possessory interest *72 in two large cargo cranes owned by respondent City of Oakland (hereafter Port or respondent) and leased to and operated by Seatrain Terminals of California, Inc. (hereafter Seatrain or appellant). The background facts may be summarized as follows:
In 1969, appellant constructed a marine terminal facility on 29 acres of land located at 1395 Middle Harbor Road, Oakland, California. The southern boundary of the facility borders on the Oakland Estuary for some 1,100 feet. The facility consists of a paved area for cargo containers and chassis, a wharf area in which crane rails are embedded, a berth area, and an office inspection maintenance area. The wharf area where the cranes are operated was designed and constructed so as to be able to carry the huge weight of cargo container cranes. Thus, the area where the rails are embedded is supported by special concrete girders placed on 6-foot centers, whereas the remainder of the wharf is propped up by unbraced piles on 12-foot centers. The 2 parallel rails on the wharf run 100 feet apart.
The 2 cranes involved in the present lawsuit weigh 750 tons each, stand about 100 feet high, and operate on railbeds. They are annexed to the railbed only by their weight and the force of gravity. The cranes are self-propelled by diesel power and designed to move along the specially constructed roadbed with fixed termini to load and unload container ships. As found by both the Assessment Appeals Board of the County of Alameda (Board) and the trial court, the entire wharf facility was constructed to handle cargo containers, and the cranes are the most efficient and economical method of handling the above-described cargo operation. As the Board put it, “The area upon which the cargo container cranes operate, as well as the adjacent land upon which the rails are to be extended, is specifically designed to function as a cargo container and shipping facility. The highest and best use of the subject premises is for cargo container operations.” (Italics added.)
In January 1971, appellant contracted to sell the facility and the two container cranes to the Port. In return, the Port agreed to enter into a lease/preferential assignment /agreement (Agreement) under which appellant obtained a lease as to a 6-acre area containing an office inspection maintenance building and a preferential assignment to the remaining 23 acres of the facility for a period not less than 25 nor more than 30 years. The Agreement, in addition, granted appellant the right to use the 2 container cranes for a period of 15 years. In consideration, appellant was *73 required to pay the Port sums equivalent to the Port’s amortized financing costs of the acquisition of the entire facility including the cranes.
Title to the facility passed to the Port on August 1, 1971, and title to the cranes on November 1, 1971, upon which respective dates the Agreement became effective. Pursuant to the terms of the Agreement, appellant had an exclusive right to use the 23-acre area and the cranes whenever its business needs, in its sole determination, required. A secondary use by others was permitted under the Agreement only if such use did not unreasonably interfere with Seatrain’s own operation (see discussion infra).
Finally, it is to be noted that subsequent to March 1, 1973, the lien date in question, the rails which had been built originally on the land occupied by Seatrain were extended to two contiguous terminals owned by the Port and preferentially assigned to Marine Terminals Corporation and United States Lines, respectively. As a consequence, the railbed upon which the cranes thereafter moved extended to 2,750 feet in length—1,300 feet on the land leased to Seatrain, and 1,450 feet on the area assigned to the above-mentioned two entities.
Based upon the foregoing facts, both the Board and the trial court concluded that the cranes in dispute were fixtures (hence improvements to real property), and that Seatrain had a taxable possessory interest in the cranes on the lien date. Appellant’s claim for refund of taxes was therefore denied.
The principal issues on appeal are: (1) whether the cranes in question constituted real or personal property; (2) whether Seatrain’s interest in the cranes was a taxable possessory interest within the meaning of the law; and (3) whether Revenue and Taxation Code, 1 section 107.4, defining nonexclusive use of harbor facilities exempted appellant from property taxes levied upon the cranes.
Classification of Cranes as Realty:
It is conceded that by virtue of the Agreement Seatrain had an undisputed possessory interest in the cranes. However, in order to be taxable the possessory interest must relate to, or exist in, real rather than personal property
(General Dynamics Corp.
v.
County of L. A.
(1958)
Pursuant to statutory definition,. “ ‘Property’ includes all matters and things, real, personal, and mixed, capable of private ownership.” (§ 103.) “ ‘Real estate’ ” or “ ‘real property’ ” comprises inter alia the possession of, claim to, ownership of, or right to the possession of land and improvements (§ 104). Section 105 defines “ ‘Improvements’ ” as including “All buildings, structures, fixtures, and fences erected on or affixed to the land, except telephone and telegraph lines.” In defining fixtures, Civil Code, section 660, provides in part that “A thing is deemed to be affixed to land when it is attached to it by roots, as in the case of trees, vines, or shrubs; or imbedded in it, as in the case of walls; or permanently resting upon it, as in the case of buildings; or permanently attached to what is thus permanent, as by means of cement, plaster, nails, bolts or screws.” Finally, section 106 sets forth that “ ‘Personal property’ includes all property except real estate.”
Appellant argues that under the foregoing statutory provisions and the case law pertaining thereto, the cranes in dispute should have been categorized as personal property, and by classifying the cranes as fixtures the trial court committed reversible error. We disagree.
It is well settled that in determining whether an article constitutes a fixture, three criteria must be taken into consideration: (1) the manner of its annexation to the realty; (2) its adaptability to the use and purpose for which the realty is used; and (3) the intention with which the annexation is made
(San Diego T & S. Bank
v.
San Diego
(1940)
In resolving whether an article placed on the premises constitutes a fixture or personal property, the aforelisted three elements do not play equal parts. In making the determination in a particular case the element of intent is regarded as a crucial and overriding factor, with the other two criteria being considered only as subsidiary ingredients relevant to the determination of the intent. As succinctly stated in
M. P. Moller, Inc.
v.
Wilson
(1936)
When viewed in light of the foregoing principles, the trial court’s conclusion that the cranes in dispute were installed with the intention of permanency and therefore became a part of the realty, is abundantly supported by “the physical facts or reasonably manifested outward appearances,” especially the manner of annexation and the use and purpose for which the wharf area in dispute was used.
In addressing the question of annexation, we initially observe that the common law test of technical affixation of the article to the realty is no longer an absolute prerequisite to “fixture” status. On the contrary, the modern trend of case law underlines that fixtures include articles such as heavy machinery whose permanent annexation is not manifested by the use of bolts, screws and the like, but which are of such weight that the mere retention in place by gravity is sufficient to give them the character of permanency and therefore affixation to the realty
(M.P. Moller, Inc.
v.
Wilson, supra,
The case at bench clearly falls within these rules. As indicated above, the cranes in dispute are extremely heavy, weighing 750 tons each. While they are annexed to the wharf facility by weight only, the rails upon which the cranes run are embedded in the wharf and constitute an integral part of the structure. Since the cranes comprise a necessary, integral and working part of the rails which are attached to the property, and since without the cranes the rails—the attached part of the structure—would lose their significance, the cranes must be deemed to be annexed to the realty within the meaning of the constructive annexation doctrine.
The adaptability test lends further support to the trial court’s holding that the cranes at issue were intended to be permanent installations rather than movable personal property. As pointed out by legal authorities, the most favored indicia of implied intention of permanence of annexation are the various circumstances surrounding the use of the property. The question most frequently asked is whether the real property is peculiarly valuable in use because of the continued presence of the annexed property thereon
(Specialty Restaurants Corp.
v.
County of Los Angeles, supra,
at p. 935; 5 Powell on Real Property (1977) § 660, pp. 96.3-96.4). Thus, it has been said that an object placed on the realty .may become a fixture if it is
a necessary or at least a useful adjunct to the realty,
considering the purposes to which the latter is devoted. This principle, variously referred to as the “adaptability test” or the “integrated industrial plant doctrine” or “institution doctrine,” is often given great weight in determining whether a particular object has assumed the status of a fixture (35 Am.Jur.2d, Fixtures, § 12, p. 708; see also
M. P. Moller, Inc.
v.
Wilson, supra,
In the case at bench, the trial court found, and the record supports the proposition, that the marine terminal facility was built specifically for handling cargo containers; that the cranes designed for the above specified purpose were an integral part of the facility; that the cranes constituted the most efficient and economic manner of handling the cargo
*77
containers; and, finally, that both functionally and physically the cranes were an integral part of the terminal operation, and without them the terminal facility would not function in consonance with its purpose and design. Since the evidence established beyond any dispute that the cranes in question were necessary or at least useful for the operation of the terminal facility, and in fact constituted an integral part of the operation of the shipyard, the criteria of the adaptability test were fully met
(Kaiser Co.
v.
Reid
(1947)
Appellant nonetheless insists that the cranes should have been classified as personal property because (a) they are not physically attached to the realty; (b) are moveable to other places or could be mounted on tires or crawlers and used in areas where the rails did not extend and therefore manifest an intent that they were not meant to become permanent improvements; (c) due to their movability the cranes are like railroad rolling stock which is regarded as personal property under the majority of jurisdictions; and (d) the integrated industrial plant doctrine and/or the theory of constructive annexation are inapplicable to the cranes because they are not essential to the use and purpose of the wharf. None of appellant’s contentions have any merit.
Appellant’s first objection is obviously misplaced. As pointed out earlier, an article may be affixed to the realty either physically or-constructively. In the instant case, as we have pointed out, the constructive annexation doctrine is clearly applicable. The constructive annexation doctrine and the adaptability test have been held especially applicable to ponderous articles, such as heavy machinery, which are annexed to the land only by the force of gravity (35 Am.Jur.2d, Fixtures, § 102, pp. 779-780;
Abex Corporation
v.
Commissioner of Taxation, supra,
Appellant’s next contention that the movability of the cranes demonstrated that they were not intended to be permanent installations, is likewise ill-founded. As repeatedly emphasized in cases, permanence is to
*78
be distinguished from perpetuity. In order to make an article a permanent accession to the realty, its annexation need not be perpetual. It is sufficient if the article appears to be intended to remain where fastened until worn out, until the purpose to which the realty is devoted has been accomplished, or until the article is superseded by another article more suitable for the purpose
(San Diego T. & S. Bank
v.
San Diego, supra,
Appellant’s attempt to draw a parallel between railroad rolling stock and the cranes operated in a limited area is also mistaken for two main reasons. One, the cases make a definite distinction between generalized and localized mobility, and equipment with the latter properties has consistently been held to constitute fixtures. For example, in
Titus
v.
Poland Coal Co., supra,
Appellant’s fourth argument that the adaptability test and the constructive annexation principle were erroneously applied because the record failed to show that the cranes were essential to the use and purpose for which the wharf was designed, is predicated on an apparent misinterpretation of law. The cases are clearcut and leave no doubt that the proper standard for the application of these doctrines is that the article be necessary or convenient to the use of the realty. As expressed in
Southern Cal. Tel. Co.
v.
State Board, supra,
We observe in passing that the cases relied on by appellant
(City of San Joaquin
v.
State Bd. of Equalization
(1970)
Taxability of Possessory Interest:
Appellant’s second major contention is that even if the cranes constitute improvements to real property, they are not subject to ad valorem property taxation, because Seatrain’s possessory interest in the cranes is not exclusive
(Kaiser Co.
v.
Reid, supra,
Whatever had been said in
Kaiser
and the preceding cases, the issue at bench was conclusively adjudicated in
Sea-Land Service, Inc.
v.
County of Alameda
(1974)
Applicability of Section 107.4: In the alternative appellant argues that regardless of the holding of the case law the exclusivity of possession test was reinstated by the enactment of section 107.4, and that pursuant to the provisions of that section appellant was clearly exempt from property taxes levied upon the usage of the cranes. 4
Although due to the secondary use clause of the Agreement, the case at bench would clearly fall within the purview of section 107.4,
*82
appellant nevertheless cannot prevail for the simple reason that section 107.4 has been held unconstitutional in
Lucas
v.
County of Monterey
(1977)
Appellant’s subsidiary argument that the trial court committed prejudicial error in ruling on certain evidentiary matters (exclusion of motion picture of the cranes, limiting the cross-examination of witnesses) deserves just passing attention. A review of the record as a whole convinces us that the rulings complained of were entirely proper, and at any rate they did not contribute to the outcome of the case in any considerable way.
The judgment is affirmed.
Taylor, P. J., and Rouse, J., concurred.
A petition for a rehearing was denied August 23, 1978, and appellant’s petition for a hearing by the Supreme Court was denied September 20, . 1978.
Notes
Unless otherwise indicated, all references will be made to the California Revenue and Taxation Code.
The pertinent provisions of the Agreement read as follows: “Seatrain shall allow the Port or Port’s designees to use all or any part of the Assigned Area and the Cranes for the berthing of vessels and loading or discharging of cargoes and operations incidental thereto, such use to include right of access to the Assigned Area over access routes available to and used by Seatrain; provided that such Secondary Use by the Port, or its designees, shall not, in the sole determination of Seatrain, unreasonably interfere with the operations of Seatrain as herein authorized.” (Italics added.)
To demonstrate the striking similarity of the two clauses, we set out the relevant provisions of the Sea-Land agreement, as follows: “ ‘ “The Port reserves the right... to use all or any part of the areas and properties . . . for the berthing of vessels and loading or discharging of cargoes and operations incidental thereto, provided, only, that such use by the Port shall not unreasonably interfere with the operations of assignee as herein authorized. In the event of any such secondary use by the Port, all. . . charges . . . shall accrue to and be billed by the Port(Sea-Land Service, Inc. v. County of Alameda, supra, at p. 840.)
Section 107.4, enacted in 1970 and amended in 1971, provides that “For purposes of Section 107, ‘possessory interest’ shall not include the possession of, claim to, or right to the possession of any berth, wharf, dock, pier, or similar harbor facility owned by a city, city and county, county, or harbor or port district, if such possession, claim, or right is granted for nonexclusive use of such berth, wharf, dock, pier, or similar harbor facility. Any nonexclusive possession, claim, or right described in this section shall not be subject to property taxation. [U] If the possession of, claim to, or right to the possession of, any such berth, wharf, dock, pier, or similar harbor facility is, in fact, exclusive, it shall be subject to property taxation, regardless of the manner in which such possession, claim, or right is created. [If] As used in this section, a ‘nonexclusive possession, claim, or right’ means a right to the use of a specific berth, wharf, dock, pier, or similar harbor facility, when such specific facility is also used intermittently by others, even though such possession, claim, or right to use such facility is paramount to any use by others. [H] As used in this section, a ‘nonexclusive possession, claim, or right’ includes a right to the use of a specific berth, wharf, dock, pier, or similar harbor facility, when the owner reserves the right to assign to others the right to use such facility.” (Italics added.)
