The fourth of our comments is related to evidence compiled, committed to writing and filed in advance of the hearing. Parties frequently, either together or separately, compile "books of documents". Although most of these have the potential to be admitted in evidence, often they are defective in form. Many of them are often irrelevant, or their significance is either not recognised or adverted to during the hearing. Their status, as in the case of the letter written by Mr Rhodes, can be ambiguous. Discrimination and economy should be exercised by those who prepare cases in which documentary evidence is likely to be extensive and important. Those who conduct such cases should ensure that what is actually in evidence, and its relevance and significance, are clearly identified."
[Footnotes omitted]
8 In Pioneer Park Pty Limited v ANZ Banking Group Limited [2005] NSWSC 832 (cited in Admiral 1 Pty Ltd v Leighton Contractors Pty Ltd [2005] NSWSC 1105 at [19] per Barrett J), Einstein J rejected an application for separation of liability and quantum. His Honour's reasons cited (at [7]) as "far and away the most significant factor" the fact that the evidence of a plaintiff was likely to be critical both as to liability and as to damages/quantum in a number of ways. Additionally, expert evidence which both parties anticipated putting on in relation to liability was also material to any assessment of loss or damage:
"It is envisaged that the same experts would be used relating to those issues both as to liability and as to quantum. Certainly, the same or very similar expertise is required and there is obviously a substantial overlap in the … [material] … the experts will need to review for the purpose of addressing the liability issues on the one hand, and the quantification issues on the other.
It is obviously illogical and inefficient for the experts to engage in that exercise on two different occasions." [8]
9 In Tallglen Pty Limited v Pay TV Holdings Pty Limited (1996) 22 ACSR 130, Giles CJ in Commercial Division (as he then was) explained at 141-2:
"In the ordinary course all issues in proceedings should be decided at the one time, but separate decision of a question may be appropriate where, for example, the decision of the question is critical to the outcome of the proceedings and (at least if decided in one way) will bring the proceedings to an end. In particular circumstances the separate decision of a question may be appropriate even if it will not bring the proceedings to an end, such as where there is a strong prospect that the parties will agree upon the result when the core of their dispute is decided or where the decision will obviate unnecessary and expensive hearing of other questions, but such occasions must be carefully controlled lest fragmentation of the proceedings (particularly when the exercise of rights of appeal is borne in mind) brings delay, expense and hardship greater than that which the making of an order was intended to avoid. It is often the case that the need to make findings of fact for a decision of the separate question, especially findings which may involve issues of credit, tells strongly against the making of an order because related facts, and renewed issues of credit, will or may arise at a later stage in the proceedings. Experience teaches that it should be able to be seen with clarity that decision of a separate question will be beneficial in the conduct of the proceedings and the resolution of the parties' dispute."
10 Since these decisions were handed down the Local, District and Supreme Courts in New South Wales have been effected by the Civil Procedure Act 2005 (NSW) (CPA). Sections 56 to 62 are relevant.
11 Sections 56, 57 and 60 of the CPA relevantly provide:
"56 Overriding purpose