Advance Cast Stone v. Local Union 1 ( 2004 )


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  •                              In the
    United States Court of Appeals
    For the Seventh Circuit
    ____________
    Nos. 03-3090 & 03-3104
    ADVANCE CAST STONE COMPANY,
    Plaintiff-Appellee,
    v.
    BRIDGE, STRUCTURAL AND REINFORCING
    IRON WORKERS, LOCAL UNION NO. 1,
    Defendant-Appellant.
    ____________
    Appeals from the United States District Court for
    the Northern District of Illinois, Eastern Division.
    Nos. 01 C 2748 & 01 C 3892—Rebecca R. Pallmeyer, Judge.
    ____________
    ARGUED FEBRUARY 24, 2004—DECIDED JULY 22, 2004
    ____________
    Before POSNER, RIPPLE and EVANS, Circuit Judges.
    RIPPLE, Circuit Judge. On April 18, 2001, Advance Cast
    Stone Company (“ACS”) filed a complaint seeking to vacate
    an arbitration award issued against it and in favor of Bridge,
    Structural and Reinforcing Iron Workers, Local Union No.
    1 (“Iron Workers Local No. 1” or “the Iron Workers”). See 29
    U.S.C. § 185. On September 30, 2002, the district court
    entered a judgment affirming the arbitration award. On
    2                                   Nos. 03-3090 & 03-3104
    October 11, 2002, ACS filed a motion to alter or amend the
    judgment. See Fed. R. Civ. P. 59(e). On July 8, 2003, the
    district court granted ACS’ motion, reversed its earlier
    affirmance of the arbitration award and entered a judgment
    in favor of ACS. The Iron Workers timely appealed. For the
    reasons set forth in the following opinion, we affirm the
    judgment of the district court.
    I
    BACKGROUND
    A. Facts
    1. Collective bargaining history
    ACS engages in the manufacture, delivery and installation
    of architectural precast concrete and other products used in
    construction. ACS has worked with two unions that are
    relevant to this appeal. The principal union that performs
    work for ACS is the Mason Contractors Association of
    Greater Chicago and Illinois District Council No. 1 of the
    International Union of Bricklayers and Allied Craftsmen
    (“Bricklayers”). ACS has been bound by a series of collective
    bargaining agreements with the Bricklayers since the late
    1970s.
    ACS also has had occasion to engage members of the Iron
    Workers Local No. 1 to work on its projects. Iron Workers
    Local No. 1 bargains with the Associated Steel Erectors of
    Chicago, Illinois (“Association”) for employees performing
    iron work in certain counties. The Iron Workers entered into
    a series of collective bargaining agreements with the
    Association, commonly known as the “Principal Agreement.”
    ACS is not a member of the Association; however, in 1982,
    ACS signed identical compliance agreements with the Iron
    Nos. 03-3090 & 03-3104                                      3
    Workers. According to the compliance agreements, ACS
    agreed to be bound to the Principal Agreement.
    On November 25, 1996, ACS submitted to the Iron
    Workers written notice of termination, and, effective 1997,
    the compliance agreements were terminated. After that time,
    ACS was no longer bound to the terms of the Principal
    Agreement, nor did ACS enter any other agreement with the
    Iron Workers. ACS’ President, Matt Garni, testified that he
    preferred to use Bricklayers because they are better able to
    handle the work and because the Iron Workers’ wage and
    benefits costs are higher than the Bricklayers’ costs.
    After the Principal Agreement was terminated in 1997,
    ACS began to do a number of projects in the Chicago area,
    the Iron Workers’ territory. In July or August of 1998, ACS
    began working on the “Block 120” Project. Originally, ACS’
    crew consisted only of Bricklayers; however, after some Iron
    Workers working for other subcontractors threatened to walk
    off the job, ACS entered into a “Short Form Agreement”
    with the Iron Workers. In this agreement, dated August 6,
    1998, ACS agreed, among other matters, to make certain
    payments to the Iron Workers’ trust funds. The Short Form
    Agreement, unlike the previous compliance agreements, did
    not refer specifically to or incorporate the Principal Agree-
    ment. After the Short Form Agreement was executed, ACS
    completed the Block 120 Project with a composite crew of
    Bricklayers and Iron Workers. ACS subsequently agreed to
    apply the Short Form Agreement to two other pro-
    jects—“Cathedral Place” and “Rush Garage”—in late 1998
    and early 1999.
    Between August 1998 and the end of 1999, ACS worked
    on ten additional projects within the Iron Workers’ territory;
    in nine of the ten projects, a Bricklayers-only crew was used
    without protest from the Iron Workers.
    4                                         Nos. 03-3090 & 03-3104
    2. The Goodman Theatre Project and the Joint
    Arbitration Board Award
    In 2000, ACS worked on a number of other projects in the
    Iron Workers’ territory with Bricklayers-only crews; the Iron
    Workers did not protest. In August or September of 2000,
    however, ACS began working on the “Goodman Theatre”
    Project. It began the job with an all-Bricklayers crew, but the
    Iron Workers threatened to picket in protest. This action
    prompted ACS to file an unfair labor practice charge with
    the National Labor Relations Board (“NLRB”). ACS con-
    tended that the Iron Workers’ picketing threat violated
    § 8(b)(4)(D) of the National Labor Relations Act (“NLRA”),
    29 U.S.C. § 158(b)(4)(D), and it sought a hearing under
    1
    § 10(k) of the NLRA, 
    id. § 160(k).
    However, the Iron Workers
    notified the NLRB that it was disclaiming interest in the
    work, and, accordingly, the NLRB dismissed the unfair
    labor practice charge.
    Despite disclaiming this work, on or about November 21,
    2000, the Iron Workers submitted a Grievance Dispute/
    Demand for Arbitration with the Joint Arbitration Board
    (“JAB”), an arbitration body created under the Iron Workers’
    Principal Agreement to resolve disputes. The Iron Workers’
    Grievance alleged: (1) ACS’ course of conduct bound it to
    2
    the Principal Agreement, and (2) ACS violated the Principal
    1
    “A § 10(k) proceeding is a hearing conducted by the NLRB sub-
    sequent to a § 8(b)(4)(ii)(D) claim to determine which union has
    the superior claim to ‘work in dispute.’ ” Miron Constr. Co., Inc. v.
    Int’l Union of Operating Eng’rs, Local 139, 
    44 F.3d 558
    , 561 n.11 (7th
    Cir. 1995).
    2
    “It is ‘well established that a collective bargaining agreement
    is not dependent on the reduction to writing of the parties’ in-
    tention to be bound,’ Capitol-Husting Co., Inc. v. NLRB, 671 F.2d
    (continued...)
    Nos. 03-3090 & 03-3104                                            5
    Agreement by refusing to employ members of Iron Workers
    Local No. 1 at the Goodman Theatre Project. The “course of
    conduct” to which the grievance referred included actions
    taken by ACS after signing the Short Form Agreement that
    were consistent with the Principal Agreement but not speci-
    fically required by the Short Form Agreement. For example,
    the Iron Workers alleged that, since the execution of the
    Short Form Agreement, ACS had provided certificates of
    insurance, did not cancel a wage and fringe benefit bond
    until February 12, 2001, and had complied with union audits.
    All these actions were in compliance with, and pursuant to,
    the terms of the Principal Agreement.
    On January 18, 2001, the JAB held a hearing. ACS argued
    that the JAB lacked jurisdiction over ACS because ACS was
    not a signatory to or otherwise bound by the Principal
    Agreement. The JAB disagreed and concluded that, since
    August 6, 1998 (when ACS signed the Short Form Agreement),
    ACS had been bound by the Iron Workers’ Principal
    Agreement. Accordingly, held the JAB, it had jurisdiction
    over the dispute. The JAB also found that ACS had violated
    the Principal Agreement by refusing to hire Iron Workers at
    the Goodman Theatre site and other unspecified job sites. As
    a remedy, the JAB ordered ACS to submit to a payroll audit
    under the terms of the Principal Agreement and to pay wages
    and benefits due for any work that should have been assigned
    to Iron Workers since August 6, 1998.
    On April 18, 2001, ACS filed an action in district court that
    sought vacation of that award. ACS again took the position
    2
    (...continued)
    237, 243 (7th Cir. 1982), rather ‘[a]ll that is required is conduct
    manifesting an intention to abide and be bound by the terms of
    an agreement.’ Id.” Gariup v. Birchler Ceiling & Interior Co., Inc.,
    
    777 F.2d 370
    , 373 (7th Cir. 1985).
    6                                       Nos. 03-3090 & 03-3104
    that it was not bound by the Principal Agreement, and,
    accordingly, that the JAB lacked jurisdiction. As will be
    described more fully below, the district court rendered its
    first decision on September 30, 2002, in which it confirmed the
    arbitration award. However, at the time it rendered that
    decision, the district court was unaware that the same parties
    were litigating the issue in a § 10(k) proceeding before the
    NLRB, and, indeed, that the NLRB had handed down its
    § 10(k) determination just days earlier. The action that
    prompted the proceeding, and the NLRB’s determination
    therein, are described below.
    3. The Deerfield Project and the NLRB’s § 10(k)
    Determination
    Around May of 2001, ACS began working on the “Nine
    Parkway” or “Deerfield” Project with a Bricklayers-only
    crew. The Iron Workers picketed. Its members carried signs
    claiming “Breach of Contract.” On May 8, 2001, ACS filed
    an unfair labor practice charge against Iron Workers Local
    No. 1, alleging that it was violating § 8(b)(4)(D) of the
    NLRA, 29 U.S.C. § 158(b)(4)(D), by engaging in proscribed
    activity with an object of forcing ACS to assign the work at
    the Deerfield Project to it rather than to Bricklayers. ACS’
    claim under § 8(b)(4)(D) triggered a § 10(k) investigation
    3
    and ultimately a § 10(k) proceeding before the NLRB. On
    September 26, 2002, just four days before the district court
    entered its decision affirming the JAB’s award, the NLRB
    3
    See 29 C.F.R. § 101.31 (“The investigation of a jurisdictional
    dispute under section 10(k) is initiated by the filing of a charge,
    as described in § 101.2, by any person alleging a violation of
    paragraph (4)(D) of section 8(b).”); 
    id. § 101.35
    (explaining the
    procedures for a § 10(k) hearing before the NLRB).
    Nos. 03-3090 & 03-3104                                      7
    issued its § 10(k) determination. The NLRB noted that, in
    order for it to be able to proceed with a determination of a
    dispute under § 10(k), it had to find, inter alia, “that the
    parties ha[d] not agreed on a method for voluntary adjust-
    ment of the dispute.” R.12, Attachment at 3. On this issue,
    the NLRB held:
    [W]e find there is no agreed-upon voluntary mechanism
    for resolving this dispute. Thus, the Employer is not a
    signatory to the Iron Workers’ Principal Agreement or
    to any agreement containing such a mechanism. The
    project-only agreement the Employer signed with respect
    to Block 120 [the Short Form Agreement] makes no ref-
    erence to the Principal Agreement and neither do the
    Employer’s letters consenting to use of composite crews
    at the Cathedral Place and Rush Garage Construction
    sites. The Employer is not a signatory to any agreement
    between the Iron Workers International and the
    Bricklayers International Unions, and clearly not to an
    agreement that requires the use of composite bricklayer
    and iron worker crews for the work in issue or the
    submission of disputes to the joint boards. Therefore,
    none of the agreements cited by the Iron Workers are
    binding on the Employer. Moreover, the project-only
    agreements that the Employer operated under in the face
    of picketing, threats to picket, or joint board decisions
    are devoid of reference to mechanisms for the resolution
    of jurisdictional disputes, and therefore, cannot bind the
    Employer to JCB or JAB processes.
    
    Id. at 4
    (citation omitted). In a footnote, the NLRB further
    noted:
    The Iron Workers argues that the Employer is bound by
    the Principal Agreement under the JAB’s award. We
    find no merit in that contention. The award fails to state
    the basis for the JAB’s finding that the Employer is
    8                                      Nos. 03-3090 & 03-3104
    bound to the Principal Agreement even though it is not
    signatory to that agreement or to any other agreement
    implicating it. See, e.g., Operating Eng’rs Local 318
    (Kenneth F. Foesie Masonry), 
    322 N.L.R.B. 709
    , 714 (1996)
    (declining to give weight to arbitrator’s decision lacking
    rationale).
    
    Id. at 3
    n.8.
    On the merits of the § 10(k) jurisdictional dispute, the
    NLRB concluded that the Bricklayers were entitled to per-
    form the work in dispute. The NLRB explained that,
    [a]lthough various Iron Workers documents arguably
    cover work of the type in issue, the Employer terminated
    its collective-bargaining agreement with Iron Workers
    effective May 31, 1997. With the exception of the project-
    only agreements discussed above, which do not obligate
    the Employer at any other sites, the Employer is not sig-
    natory to or bound by any collective bargaining agreement
    with the Iron Workers.
    
    Id. at 4
    (emphasis added). Finally, the NLRB noted that,
    although it usually limits the scope of its award to the
    matter that gave rise to the § 10(k) controversy, because of
    the history of disputes between the parties and the likeli-
    hood of disputes in the future, it was appropriate to issue a
    blanket, prospective order. In this order, the NLRB held that
    the work at issue (the Deerfield Dispute) and all of ACS’
    work within the Iron Workers’ jurisdiction belonged to
    Bricklayers.
    B. District Court Proceedings
    1. September 30, 2002 Decision
    After a bench trial, the district court issued its first opinion
    on September 30, 2002. The district court began by noting
    Nos. 03-3090 & 03-3104                                         9
    that “[t]he central question in this case is whether Advance
    Cast Stone was bound to the Principal Agreement at any time
    after August 6, 1998,” the date the Short Form Agreement
    was executed. R.23 at 10. If it was, then, under the Principal
    Agreement, the dispute regarding the Goodman Theatre
    Project was properly before the JAB, and the JAB’s award
    4
    would not be vacated. The district court explained that,
    under this circuit’s case law, an employer may adopt a
    collective bargaining agreement by its actions or a course of
    conduct that demonstrates an intent to be bound, even if the
    employer has not signed that agreement. The court held
    that, although the evidence was close, ACS did bind itself to
    the Principal Agreement “and therefore rendered it suscep-
    tible to the jurisdiction of the JAB on January 18, 2001.” 
    Id. at 14.
    2. July 8, 2003 Decision
    On October 11, 2002, ACS filed a motion to alter or amend
    the judgment pursuant to Federal Rule of Civil Procedure
    59(e). In its motion, ACS argued that the NLRB’s ruling of
    September 26, 2002, undermined the decision of the JAB and
    therefore required the district court to reconsider its deci-
    sion affirming the JAB’s award. The district court agreed,
    and, on July 8, 2003, it entered judgment in favor of ACS.
    In its July 8, 2003 decision, the court began with the
    settled proposition in this circuit that “an NLRB decision
    issued pursuant to a § 10(k) proceeding overrides a conflict-
    4
    ACS did not and does not dispute that, if it was bound by the
    Principal Agreement, it violated the Principal Agreement by fail-
    ing to give work to Iron Workers on the Goodman Theatre Project
    and the other projects within the Iron Workers’ territory.
    10                                     Nos. 03-3090 & 03-3104
    ing decision by an arbitrator.” R.31 at 6. The court then
    explained that the JAB’s award and the NLRB’s § 10(k)
    determination conflicted. See 
    id. at 9
    (“[T]he JAB found that
    ACS was bound to the Principal Agreement; the NLRB
    found that it was not, and specifically noted that the JAB
    had no jurisdiction over ACS. Although the JAB did not
    directly address the Deerfield Project, the NLRB’s order makes
    clear that ACS was not bound by the Principal Agreement
    to use Iron Workers at that site, either.”). Because the court
    found the JAB’s award in conflict with the NLRB’s § 10(k)
    determination, and because the law compels that, in this
    situation, the NLRB’s determination takes precedence, the
    district court reversed its prior decision and held that the
    JAB was without jurisdiction and its award must be vacated.
    II
    DISCUSSION
    “When an arbitration award is in conflict with the deci-
    sion of the NLRB in a § 10(k) proceeding, the NLRB decision
    takes precedence.” Miron Constr. Co., Inc. v. Int’l Union of
    Operating Eng’rs, Local 139, 
    44 F.3d 558
    , 564 (7th Cir. 1995);
    see also Chauffers & Helpers Local Union No. 50 v. McCartin-
    McAuliffe Mech. Contractor, Inc., 
    708 F.2d 313
    , 315 (7th Cir.
    1983) (“[A] Board decision pursuant to a Section 10(k)
    hearing takes precedence over an inconsistent arbitral
    decision.”). This principle flows from Carey v. Westinghouse
    Electric Corp., 
    375 U.S. 261
    , 272 (1964) (“Should the Board
    disagree with the arbiter . . . the Board’s ruling would, of
    course, take precedence; and if the employer’s action had
    been in accord with that ruling, it would not be liable for
    damages under § 301.”), and has been adopted by other
    circuits, see, e.g., J.F. White Contracting Co. v. Local 103 Int’l
    Nos. 03-3090 & 03-3104                                        11
    Bhd. of Elec. Workers, 
    890 F.2d 528
    , 529 (1st Cir. 1989)
    (“[C]ourts are not to enforce an arbitration award that con-
    flicts with a § 10(k) determination.”).
    The Iron Workers do not dispute this settled principle but
    attempt to explain why it should not control the outcome of
    this case. The Iron Workers’ arguments are legal ones, and
    we therefore review them de novo. See Slaney v. The Int’l
    Amateur Athletic Fed’n, 
    244 F.3d 580
    , 592 (7th Cir. 2001)
    (explaining that, in reviewing a district court’s affirmation
    or vacation of an arbitrator’s award, this court reviews legal
    questions de novo and factual questions for abuse of
    discretion). After considering the Iron Workers’ submis-
    sions, we must agree with the district court that the princi-
    ple controls the outcome of this case: The § 10(k) determina-
    tion is in conflict with the arbitration award and, therefore,
    trumps that award. Therefore, we affirm the district court’s
    July 8, 2003 decision vacating the arbitrator’s award.
    First, the Iron Workers detail at great length that, both
    before and after the NLRB’s § 10(k) decision, the district
    court had jurisdiction over the vacation action under § 301
    of the Labor Management Relations Act (“LMRA”), 29 U.S.C.
    § 185. This proposition is unquestionable, but it does not
    advance the Iron Workers’ cause. When “a case involves
    both the interpretation of a collective bargaining agreement
    under Section 301 of the [LMRA] and allegations of viola-
    tions of the NLRA, the federal district court and NLRB have
    concurrent jurisdiction.” Mkt. Serv. Ass’n v. Produce, Fresh &
    Frozen Fruits, & Vegetables, Fish, Butter, Eggs, Cheese, Poultry,
    Florist, Nursery Landscape & Allied Employees Union, Local 703,
    
    875 F. Supp. 474
    , 477 (N.D. Ill. 1994). The district court had
    “jurisdiction”—the statutory authority to determine
    whether ACS was bound by the Principal Agreement (and
    the implications that flow from that determination). What
    we must resolve is how, in exercising that jurisdiction, the
    12                                        Nos. 03-3090 & 03-3104
    court should have factored the conflicting § 10(k) determi-
    5
    nation into its decision-making process.
    The Iron Workers next argue that the JAB’s determination
    is not in conflict with the NLRB’s § 10(k) determination;
    thus, the principle that “courts are not to enforce an arbi-
    tration award that conflicts with a § 10(k) determination” is
    not triggered. J.F. White 
    Contracting, 890 F.2d at 529
    . The
    Iron Workers note that the decisions technically involved
    5
    The Iron Workers also contend that the NLRB’s § 10(k) decision
    is not binding or controlling in this case because a § 10(k)
    proceeding is not “final.” The Iron Workers’ argument emphasizes
    that a § 10(k) proceeding is not the final resolution of whether
    a union violated § 8(b)(4)(D). A final determination that the stat-
    ute has been violated is reached only after the aggrieved union
    refuses to abide by the § 10(k) decision and then fails to prevail
    in the resulting unfair labor practice proceeding. See NLRB v.
    Plasterers’ Local Union 79, 
    404 U.S. 116
    , 122 n.10 (1972); see also 29
    C.F.R. § 101.36.
    Although a § 10(k) decision is not a final determination that the
    union violated § 8(b)(4)(D), it certainly is controlling for purposes
    of deciding its effect on and relationship to an arbitrator’s award,
    at least when the aggrieved union—here, the Iron Workers— agrees
    to comply with the § 10(k) determination. See, e.g., UAW Local
    1519 v. Rockwell Int’l Corp., 
    619 F.2d 580
    , 584 (6th Cir. 1980)
    (explaining that a § 10(k) decision should be treated as “final”
    and controlling because a contrary conclusion would lead to the
    “anomalous result of allowing the losing party in the 10(k) pro-
    ceeding to prevent the employer from reaping the full benefit of
    that proceeding, since review of the 10(k) decision can be had
    only if the losing union commits an unfair labor practice, an event
    entirely within the control of the losing union”); Int’l Ass’n of
    Bridge, Structural & Ornamental Iron Workers Local No. 395 v. Lake
    County, Ind. Council of the United Bhd. of Carpenters, 
    347 F. Supp. 1377
    , 1378 (N.D. Ind. 1972) (“Thus, the § 10(k) decision became a
    final decision as a result of plaintiff’s compliance with it.”).
    Nos. 03-3090 & 03-3104                                      13
    different work. The JAB was presented with the Goodman
    Theatre Project and, by virtue of its damages award, ad-
    dressed projects between August 6, 1998 (when the Short
    Form Agreement was signed), and January 18, 2001 (when
    the JAB issued its award). The NLRB’s order addressed the
    Nine Parkway or Deerfield Project, which took place in May
    2001, and, by virtue of its area-wide prospective order, future
    work. Therefore, the Iron Workers Local No. 1 argues, there
    is no conflict and no reason why it should be precluded from
    seeking redress through its § 301 contractual remedy.
    We believe that the district court was on solid ground in
    not taking such a limited view of the NLRB’s § 10(k) deter-
    mination. The NLRB’s § 10(k) decision addressed the entire
    dispute, including the projects encompassed in the JAB’s
    award. The NLRB discussed the history of the parties’ dis-
    pute, including the Goodman Theatre Project, and, in the
    end, issued an area-wide order that ACS was not bound to
    employ members of the Iron Workers. In issuing such a
    broad ruling, the NLRB explicitly departed from its normal
    path of considering only the “particular controversy that
    gave rise to the 10(k) proceeding.” R.12, Attachment at 6. It
    took this unusual step because “work of the kind in dispute
    has been a continuous source of controversy” and because
    the Iron Workers had a “history of [engaging in] conduct
    that arguably violates Section 8(b)(4).” 
    Id. In so
    holding, the
    § 10(k) determination clearly contemplated that, throughout
    the years of dispute among ACS, the Iron Workers
    and Bricklayers, ACS was not bound by the Principal
    Agreement. See also R.12, Attachment at 4 (“Although
    various Iron Workers documents arguably cover work of
    the type in issue, the Employer terminated its collective-
    bargaining agreement with Iron Workers effective May 31,
    1997. With the exception of the project-only agreements
    discussed above, which do not obligate the Employer at any
    other sites, the Employer is not signatory to or bound by any
    14                                     Nos. 03-3090 & 03-3104
    collective bargaining agreement.”). Because the NLRB’s
    determination disagreed with the JAB on the question of
    whether ACS was bound to the Principal Agreement, it also
    necessarily disagreed with the JAB on whether the JAB had
    jurisdiction (because the JAB had jurisdiction only through
    the Principal Agreement), whether the Iron Workers or
    Bricklayers were entitled to the disputed work covered by
    the JAB award (because Iron Workers were entitled to the
    work only under the Principal Agreement), and, thus,
    whether ACS should be liable for damages for refusing to
    assign that work to Iron Workers.
    The Iron Workers also urge that, based on our case
    law, the awards should not be considered irreconcilable.
    They point to our decisions in Hutter Construction Co. v.
    International Union of Operating Engineers, Local 139, 
    862 F.2d 641
    (7th Cir. 1988), and Miron Construction Co., Inc. v.
    International Union of Operating Engineers, Local 139, 
    44 F.3d 558
    (7th Cir. 1995), as examples of cases in which we held
    that an arbitration award to one union under a subcontract-
    ing clause was not inconsistent with a § 10(k) determination
    by the NLRB to award work to a different union.
    We believe Hutter and Miron are distinguishable from the
    present case. First, as noted above, both Hutter and Miron
    were premised on the unique subcontracting context in which
    they arose. See, e.g., Miron 
    Constr., 44 F.3d at 567
    (“An arbitra-
    tor’s award of backpay to one union in a subcontracting dispute
    is not inconsistent with the NLRB’s prior award of the work
    to a different union in a § 10(k) proceeding.” (emphasis
    added)). Additionally, in Miron, we explicitly distinguished
    situations—such as we face here—in which “[t]he employer . . .
    was responsible both for the work assignment and for the
    breach of certain terms of the union’s collective bargaining
    agreement.” 
    Id. at 566.
    Nos. 03-3090 & 03-3104                                       15
    Second, those cases—because they arose in the context of
    subcontracting disputes—did not involve a direct conflict
    between the arbitrator’s and the NLRB’s awards and thus
    did not implicate the general principle that the NLRB’s
    § 10(k) determination takes precedence over an arbitrator’s
    award. For example, we explained in Hutter that “[t]he cri-
    tical issue [wa]s whether the arbitrator, by awarding back-
    pay to Operators, necessarily determined that they had the
    superior claim to forklift work”—the determination made
    by the NLRB. Hutter 
    Constr., 862 F.2d at 645
    (emphasis
    added). We held the arbitration award did not reach that
    ultimate issue because the arbitrator’s award was limited to
    interpreting contractual terms whereas the NLRB’s award
    was based on extra-contractual considerations. See 
    id. at 646;
    accord Miron 
    Constr., 44 F.3d at 565
    . In this case, by contrast,
    there simply is no way to reconcile the JAB’s and NLRB’s
    decisions: The JAB determined that ACS was bound by the
    Principal Agreement to assign work to the Iron Workers; the
    NLRB determined that ACS was not at any time relevant to
    this appeal bound by the Principal Agreement, and, accord-
    ingly, all work present and future belongs to the Bricklayers.
    In this context, we believe that the principle that an arbitra-
    tor’s award must give way to a conflicting § 10(k) determi-
    nation by the NLRB is fully operative.
    The Iron Workers finally argue that the NLRB’s § 10(k)
    decision was not in conflict with the JAB’s or district court’s
    decision because the NLRB’s reasoning “focused only” on
    whether ACS was a signatory to the Iron Workers’ Principal
    Agreement (or another Iron Workers’ agreement) and did
    not focus on whether ACS was bound by its course of
    conduct. Appellant’s Br. at 25. The § 10(k) determination,
    however, explained that, “[w]ith the exception of the project-
    only agreements discussed above, which do not obligate the
    Employer at any other sites, the Employer is not signatory
    to or bound by any collective bargaining agreement with the
    16                                     Nos. 03-3090 & 03-3104
    Iron Workers.” R.12, Attachment at 4 (emphasis added). The
    NLRB is obviously aware that an employer can commit
    itself to an agreement by its course of conduct, see Bi-County
    Wholesale Beverage Distribs. Labor Ass’n, 
    291 N.L.R.B. 466
    , 469
    (1988) (finding course of conduct bound parties to agree-
    ment); its decision, fairly read, simply did not find such a
    course of conduct here. In any event, the correctness of the
    NLRB’s methodology in its § 10(k) determination and of its
    underlying rationale are not properly before us. See J.F.
    White 
    Contracting, 890 F.2d at 529
    -30 (refusing to consider
    two arguments “that, in effect, attack the validity of the
    Board’s § 10(k) decision” because “it is well established that
    N.L.R.B. determinations under section 10(k) are not directly
    reviewable in this or any other court” (internal quotation
    marks and citations omitted)). For our present purposes, the
    only question is whether the NLRB’s ultimate decision
    conflicts with the arbitrator’s award. As we have demon-
    strated, there is such a conflict and, therefore, the arbitra-
    tor’s award may not be enforced by the district court. 
    Id. at 529
    (“It is well-established law that courts are not to enforce
    an arbitration award that conflicts with a § 10(k) determina-
    6
    tion.”).
    6
    The Iron Workers also claim that the § 10(k) determination is
    not binding because the NLRB conducted its determination of
    whether ACS was bound by the Principal Agreement under less
    stringent standards. The Iron Workers submit that the NLRB’s
    decision on the inapplicability of the Principal Agreement was
    arrived at in its preliminary findings on the applicability of the
    statute, and not in its decision on the merits of the dispute. On
    the basis of our own scrutiny of the NLRB’s opinion, we cannot
    accept this submission. See R.12, Attachment at 4 (noting in the
    merits analysis that “the Employer is not signatory to or bound
    (continued...)
    Nos. 03-3090 & 03-3104                                            17
    Conclusion
    For the foregoing reasons, we affirm the district court’s
    decision to vacate the JAB’s award.
    AFFIRMED
    A true Copy:
    6
    (...continued)
    by any collective bargaining agreement”).
    In any event, the Iron Workers’ argument is without merit. To
    determine whether the statute is applicable and thus whether a
    dispute for work is properly before it, the NLRB must find: “[1]
    there are competing claims for work, [2] that there is reasonable
    cause to believe that § 8(b)(4)(D) has been violated, and [3] that
    the parties have not agreed on a method for voluntary adjust-
    ment of the dispute.” 
    Id. at 3
    ; see also Miron 
    Constr., 44 F.3d at 561
    n.11. In Miron, this court refused to give weight to a finding “de-
    signed to meet the Board’s decidedly low threshold requirement
    that it find reasonable cause to believe that § 8(b)(4)(D) has been
    violated.” Miron 
    Constr., 44 F.3d at 564-65
    . The Iron Workers
    suggest that the NLRB also operates under an “decidedly low
    threshold” in determining “[3] that the parties have not agreed on
    a method for voluntary adjustment of the dispute”; therefore, as
    in Miron, a court is not bound to give that finding preference if it
    conflicts with an arbitrator’s award. Miron, however, addressed
    a different prong of the test to determine whether § 10(k) applies:
    whether there is “reasonable cause to believe § 8(b)(4)(D) has been
    violated.” The difference is significant. The NLRB does not
    attempt to decide whether there is “reasonable cause to believe the
    parties have not agreed upon a method for voluntary adjustment
    of the dispute,” but whether the parties have, in fact, made such
    an agreement. This inquiry requires the NLRB to consider in
    plenary fashion whether the parties bound themselves to an agree-
    ment that contains a voluntary dispute mechanism. Accordingly,
    the Iron Workers’ argument is unavailing.
    18                             Nos. 03-3090 & 03-3104
    Teste:
    _____________________________
    Clerk of the United States Court of
    Appeals for the Seventh Circuit
    USCA-02-C-0072—7-22-04