33 If there was no question of invalidity of 35.11(c) and (d) and the question was how to construe clause 35.12 together with clause 35.11 (c) and (d), I think that there is an ambiguity created, because clause 35.11(d) requires mediation and 35.12 literally seems to leave open referral to arbitration without referral to mediation. Thus for example if one party had wished to proceed directly to arbitration without mediation the question would have to be determined. I think the ambiguity would be readily resolved by treating the introduction of 35.12 as conjunctive so that it would require reference to arbitration if negotiation and mediation had failed but bearing in mind that referral to mediation does require some action on the part of both parties and that it is possible that one party will not cooperate, making mediation unworkable. The Court does, in cases of ambiguity, have power to construe clauses in a way that resolves the ambiguity: Fitzgerald v Masters supra, although the Court cannot disregard clear words or rewrite contractual provisions where this is no ambiguity: see Kooee Communications Pty Ltd v Primus Telecommunications Pty Ltd [2008] NSWCA 5.
34 The issue of invalidity of 35.11(c) and (d) however requires determination of whether those clauses are severable, and how the disjunctive clause in clause 35.12 is to be read.
35 The approach urged by Mr Finch, rather than explaining how the clauses were intended to be read together absent invalidity, moves to an interpretation of the clause that recognises the invalidity of 35.11(c) (and (d) for the purpose of this point). Another approach would be to consider whether, if 35.11(c) and (d) are void, the disjunctive clause is also void for uncertainty because it has no ambit of operation. If that were the approach the question of severability would entail consideration of whether the parties intended that the balance of clause 35 (but now excluding the disjunctive words) should remain effective, notwithstanding the removal of 35.11(c) and the disjunctive clause. If clause 35.12 is construed with 35 (c) and (d) ignored because void, the disjunctive clause is meaningless and can itself be ignored.
36 Although clause 35.12 as drafted needs to be considered as part of the process of determining whether the intention of the parties was to have arbitration as the last stage of dispute resolution even if there was no negotiation and mediation, if it is concluded that it was the intention of the parties to proceed to arbitration even if the negotiation and mediation were not required then, subject to dealing with the question of time for referral, I think clause 35 can be given meaning.
37 In my view it was not the intention of the parties that disputes would be referred to arbitration only if the negotiation and mediation clauses were valid and I take that view for the following reasons:
(1) clause 2.14 of the Hunter Contract provides:
"If at any time any provision of this Contract is or becomes illegal invalid or unenforceable in any respect under the law of any jurisdiction that will not affect or impair (a) the legality, validity or enforceability in that jurisdiction of any other provision of this Contract".
(2) It is clear that the parties were agreed that their disputes which could not be settled would be determined by either expert determination if Annexure A clauses applied, or arbitration. In particular, clause 35.10 specifies "the dispute or difference must be determined by arbitration in accordance with the following clauses".
(3) It is always open to parties to agree to a mediation process and the Court has power to order mediation even over the opposition of one or both parties: see s 26 of the Civil Procedure Act . Mediation is not inconsistent with arbitration nor is absence of mediation.
(4) the parties had in place a regime for expert determination followed by a notice of appeal option and then referral to senior representatives for expert determination of ED matters and for referral to senior representatives in other cases of disputes (i.e. non-ED matters) neither of which provisions have been impugned (other than if clause 35.12 fails).
(5) There is, I think, a certain irony in United's position. It attacks the negotiation clause (and the mediation clause) and then submits that because there is no effective negotiation clause or mediation clause, fundamental (and compulsory) pillars of the dispute resolution clauses have been removed, so arbitration cannot stand. If United wants to negotiate resolution of disputes it is free to attempt to do so at any time. If it wants the disputes mediated, there is no obstacle to it proposing such, and if Railcorp is amenable, for such a mediation to be held. Since the impugned elements of the dispute resolution claim involve consensual steps that can be initiated without any contractual requirement they are, I think, more readily classified as provisions which are severable than, for example, a process of expert determination. It attacked the mediation clause for uncertainty (see para 4 of submissions of 14 November 2008) and argued on the construction issue that there is an implied obligation to cooperate: see submissions handed up on 28 November 2008). Arbitration, which it criticised as potentially time-consuming and cumbersome was a part of the contract into which it had entered.
(6) I think the fact that it is negotiation (between the senior representatives or by mediation) that will be ineffective is an important point of distinction between this case and Banabelle Electrical v State of NSW [2005] NSWSC 714. In State of NSW v Banabelle Electrical (2002) 54 NSWLR 503 (a decision of Einstein J) there was provision for agreement as to an expert for expert determination, failing which there was to be nomination "by the person prescribed in the Annexure". No person was in fact prescribed in the Annexure, and Einstein J held that the clause failed for uncertainty, and that a term that the party would cooperate on agreeing to an expert could not be implied because the parties had addressed the matter in the clause. In Banabelle Electrical v State of NSW , McDougall J regarded the absence of an expert determination "with all its advantages of speed, relative cheapness and informality" as fundamentally part of the dispute resolution process, which he held could not be excised without rendering the entire resolution clause invalid.
38 Mr Finch, relied on Hammerschlag J's decision in Laing on the severability point.
39 I need first to outline what was involved in that case.
40 Laing concerned a building contract between Laing as builder, and CRI as develop of a railway interchange. CRI had contracted with TIDC, a statutory authority, in a parallel contract on almost identical terms. Laing, TIDC, CRI and others with a financial interest had entered into an Independent Certifier Deed ("ICD") by which a third party agreed to provide independent certification of matters relevant to the contract. The building contract and the CRI contract had identical dispute resolution clauses but the ICD had a different regime. The building contract contained a clause 27(1) in the following terms:
41 "27.1 Notice of dispute
(a) If a dispute or difference arises between:
(i) the Developer and the CTI Infrastructure Works Contractor excluding that which will be decided under the Independent Certifier Deed or the TIDC Consent Deed ; or
(ii) the Developer and the CTI Infrastructure Works Contractor's Representative,
in respect of any fact, matter or thing arising out of, or in any way in connection with, the CTI Infrastructure Activities, the CTI Infrastructure Works or this deed, or either party's conduct before the date of this deed, the dispute or difference must be determined in accordance with the procedure in this clause 27.
(b) Where such a dispute or difference arises, either party may give a notice in writing to the Developer's Representative and the other party specifying:
(i) the dispute or difference;
(ii) sufficient particulars of the party's reasons for being dissatisfied to enable the other party and the Developer's Representative to properly consider the matter; and
(iii) the position which, the party believes, is correct.
(c) If a party fails to provide sufficient particulars of the dispute or difference to enable the Developer's Representative and the other party to properly consider the matter, then within 15 Business Days after receipt of the notice the Developer's Representative may request the first party to provide further particulars of the dispute or difference".