Gozo Channel: tunnelling discounts

discounts

 

When the current Gozo Channel tunnel debate was initiated around five years ago, the then Minister Chris Said went on record to emphasise that the proposed tunnel, to be bored under the seabed would cost approximately €150 million. This estimate has now been upped to €300 million.

This is one of the basic assumptions underlying the study commissioned by Transport Malta, together with the Gozo Business Chamber, and carried out by E Cubed Consultants Ltd, commonly referred to as the “economic and financial feasibility study”.

The study makes interesting reading as it considers the economics of the so-called permanent link between the islands of Gozo and Malta. I respectfully submit that the conclusions of this study are as valid as the basic assumptions which underpin it.

I draw the attention of readers to the fact that proposals for various tunnels are currently under consideration in other countries.

The first is the proposed Trans-Pennine tunnel, intended to improve the transport links between Sheffield and Manchester in the UK. The ambitious 18- mile (29km) tunnel would be built under the A628 Woodhead Pass. After having established that the geology of the Pennines was suitable for such a project, it was estimated that the approximate cost would be a staggering £6 billion (€8.40 billion).

The second UK project is the much-debated and controversial tunnel at Stonehenge. Intended to upgrade the A303 road, it is projected to have a length of 1.8 miles (2.9 km) and is currently estimated to cost £490 million (€700 million).

Another projected tunnel, recently given the green light, will pass between the Danish island of Lolland and the German island of Fehmarn. Construction work on this 19 km tunnel should start next January and it is estimated to cost €8.7 billion.

The estimates for the proposed tunnels in the United Kingdom indicate that the cost of a 10 km tunnel would exceed the €2 billion mark, even before taking into account the fact that excavating below the seabed would cost substantially more. In addition, the Danish/German tunnel indicates a pro-rata cost of €4.7 billion for a 10 kilometre tunnel.

In addition, the geological parameters below the Gozo Channel are still largely unknown: geological studies have to be carried out and examined in detail in order to establish the facts. Without these facts, the basic information necessary to take essential design decisions is still unavailable. What is known is worrying enough: the presence of active geological faults running right through the proposed route of the tunnel.

The study’s conclusions – that the proposed tunnel is economically viable – have  been reached prior to the carrying out of geological studies. Even the estimated costs used in the economic viability study have been established before these essential geological studies.

In this type of project, no estimate of costs can be precise – especially if it is not based on adequate and essential information.

This indicates that the conclusion of the economic viability study was premature.

In addition to the geological studies, additional important (and essential) studies have (as far as is known) not yet been commissioned. These include studies on the environmental impact, business impact and social impact.

Once concluded, such studies will inevitably point to other issues that will require detailed consideration, including the extent to which the projected permanent link between Malta and Gozo will toll the death knell for holiday accommodation in Gozo: hotels, flats and farmhouses.

The above indicates that, unless the promoters of the tunnel have some cast-iron guarantee of substantial discounts on the costs, the proposal is a non-starter even before any consideration of the environmental, business and social impact. It is about time to begin serious work on the practical alternative: a fast ferry service between Gozo and the Grand Harbour.

published in The Malta Independent on Sunday : 6 December 2015

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