The Deduction
10Anderson Street claimed the Deduction by reason of damage caused by Helcon to a Sydney Water sewer pipe on 19 November 2012 ("the Incident").
11The basis on which Anderson Street claimed the Deduction was set out in the Payment Schedule dated 10 January 2013 pursuant to s 14 of the Act. That Payment Schedule was served in response to a Payment Claim served by Helcon and dated 24 December 2012 pursuant to s 13 of the Act.
12In its Payment Schedule, Anderson Street stated: -
"...following Helcon penetrating and damaging a Sydney Water Sewer pipe [Anderson Street] incurred direct costs. Those costs can be withheld because the contract allows [sic] Helcon liable for damage they cause to the property of third parties ... The costs claimed include actions taken ... to protect people and property, mitigate the damage and analyse the cause of the problem. Helcon have admitted liability."
13Anderson Street thus contended that Helcon's obligation to pay for the damage to the sewer pipe arose contractually and that, in any event, Helcon had admitted liability for the damage. The Adjudicator rejected the contention that Helcon had admitted liability. There is no challenge to that finding.
14So far as the Contract is concerned, by cl 40.2.1, Helcon warranted that it had "examined the Site and surrounds and satisfied itself through its own investigation as to the condition and characteristics which may be encountered on, in or under the Site".
15In its Adjudication Application made pursuant to s 17 of the Act, Helcon disputed any liability in relation to the Deduction and stated: -
"On the matter of the damaged sewer, Helcon has not accepted liability for this damage. Our 1st knowledge of the location of the sewer is in an email enclosed which we received from the site's engineer on the day after the damage occurred. Additionally, in our quotation enclosed under "Exclusions" it states that the builder is obliged to do the "Dial Before You Dig" and which would have identified this sewer, which should be pegged on site to indicate its location. Helcon requests that this amount of $51,000 + GST be waived from being Helcon's liability."
16The email to which Helcon referred was dated 20 November 2012 (the day after the Incident) and attached a: -
"...sketch showing approximate existing sewer and proposed sewer locations".
17Helcon's quotation stated, under the heading "Exclusions to the Helcon Steel Screw Piles, to be provided by [Anderson Street]": -
"Dial Before You Dig"
and
"Site survey".
18In its Adjudication Response served pursuant to s 20 of the Act, Anderson Street justified the Deduction as follows: -
"[T]he tender package explicitly included the sewer locations and this was issued in September 2012 and was known to [Helcon] as is apparent ... that [Helcon] accessed the drawing and used the 'drop box' to submit the tender....
[Anderson Street] did issue further documents following the incident penetrating the sewer line, but this was an attempt to stop repetition, it was not providing detail of the sewer location for the first time".
19The Adjudicator dealt with the issue as follows: -
"35. [Anderson Street] states ... that '[it] did issue further documents following the incident penetrating the sewer line, but this was an attempt to stop repetition, it was not providing detail of the sewer location for the first time'.
36. [Anderson Street] states for the first time in the Adjudication Response ... that it made the drawings showing the sewer location available to [Helcon] as part of the tender package, in September 2012 via a drop box, a screen shot of which is annexed as Annexure J. [Anderson Street] states: 'as is apparent from the images at Annex J that [Helcon] accessed the drawing and used the 'Drop box' to submit the tender'.
37. [Anderson Street] also states ... that the plans specifically note the location of the sewer and they formed part of the tender documents. [Anderson Street] has attached three plans of the sewer at Annexure L which, [Anderson Street] states, were issued in and were part of the tender documents and were available in the dropbox.
38. [Helcon] has not had the opportunity of commenting on the provision of the plans as described by [Anderson Street].
...
41. [Helcon] states in the Written Submissions that the exclusions in the Quotation Document ... which [Helcon] submitted to [Anderson Street], indicates that [Anderson Street] is 'obliged to do the Dial Before You Dig and which would have identified this sewer'.
42. [Anderson Street] refutes this stating ... that the quotation does not form part of the contract documentation and states that even if it did, the Indemnity clause of the contract would override this and the Warranty clause would render [Helcon] liable. I am satisfied that the Contract is to be read as a whole and the quotation documentation would form part of that.
43. [Anderson Street] has failed to provide survey reports or other similar proof that the sewer runs precisely in the location and at the depth that the various plans indicate that it runs. I note in the email of 20 November 2012 ... that Mr Paget of [Anderson Street] states that the attached sketch shows the 'approximate existing sewer'.
44. In view of the absence of evidence that the sewer in fact runs precisely where the plans indicate that it runs, I am not satisfied that [Anderson Street] has proved that [Helcon] is liable for the costs incurred by [Anderson Street] when the sewer was breached and that it is entitled to claim the costs from [Helcon] of remediating the damage which ...[Anderson Street] alleges ... to have resulted from the piercing of the sewer. For this reason, it is not necessary for me to deal any further with the issues raised by [Anderson Street] in this regard".
20Anderson Street contends that the Adjudicator resolved the dispute concerning the Deduction (in Helcon's favour) on the basis set out at par [43] and [44] of the Determination, and that that basis was one Helcon had not advocated, and of which Anderson Street was given no notice.
21As has been pointed out by McDougall J in Musico v Davenport [2003] NSWSC 977 at [107] - [108]: -
"...what an adjudicator is required to do is to decide the dispute between the parties. Under the scheme of the Act, that dispute is advanced by the parties through their adjudication application and adjudication response (which, no doubt, will usually incorporate the antecedent payment claim and payment schedule). If an adjudicator is minded to come to a particular determination on a particular ground for which neither party has contended then, in my opinion, the requirements of natural justice require the adjudicator to give the parties notice of that intention so that they may put submissions on it...
It follows, in my opinion, that where an adjudicator determines an adjudication application upon a basis that neither party has notified to the other or contended for, and that the adjudicator has not notified to the parties, there is a breach of the fundamental requirement of natural justice that a party to a dispute have 'a reasonable opportunity of learning what is alleged against him and of putting forward his own case in answer to it'." (citing Lord Diplock in O'Reilly v Mackman [1983] 2 AC 237 at 279)
22The breach of natural justice must be "material" and be considered in light of the nature of the procedures laid down by the Act. The matter in respect of which submissions were not sought must be "germane" to the adjudicator's decision: eg John Goss Projects Pty Ltd v Leighton Contractors [2006] NSWSC 798; (2006) 66 NSWLR 707 at [42] per McDougall J.