20 September, 2010
The rescue of 33 miners, trapped 47 days today 700 metres under Chile’s Atacama desert, brightened considerably over the weekend. On Friday, 17 September, one of two rescue drills perforated a ceiling of a work room near where the miners are entrapped. And yesterday, 19 September, a third drill began boring a separate rescue hole.
An oil-drilling rig, made by a Canadian manufacturer and leased to Chilean state oil company ENAP, began boring Sunday through high-silica rock to get to 597 metres and an area 300 metres from where the miners are trapped.
But the big news at the weekend was the American-built Schramm T-130 reaming through ceiling rock of a workshop at 624 metres. That lifted hope and renewal, across Chile, particularly with Saturday, 18 September, being the celebration of Chile’s bicentennial independence. The miners, already frustrated and bedeviled by topside doctors and psychologists controlling supply tubes, celebrated Independence Day with song and dance, and roasted meat pies and pasties, a diet different than the usual one of liquid nutrients and vitamin juices.
Top side, the Schramm T-130 drill was changing bits in order to re-drill the hole to a wider 74 centimeters.
Two mine-drilling rigs have been operating since 31 August and early September, with South African mine, construction, and engineering giant Murray & Roberts overseeing operations through Chilean associates Terraservices and Cementation Sudamerica. The first to begin drilling, an Australian-made Strata 950 Raisebore drill developed by South African company RUC Cementation that is boring a 38 centimeter hole, temporary stopped drilling last week at 250 metres for maintenance purposes. The Strata 950 is built for raise-boring of holes from one underground area to another, and was transferred to the site from state-owned Codelco’s Andina mine.
The larger Schramm T-130 rig, made by US-based Center Rock Inc. that is blind reaming another hole, hit a steel support beam in an abandoned shaft at 268 metres on 11 September, causing a two-day delay before spare parts were flown in. But days later, it had drilled through to an area close to the entrapped miners.
Those 33 miners, employed at the San Jose mine of junior miner Campañia Minera San Esteban Primera, escaped their deaths on 5 August when a shaft collapsed due to an explosion. The San Esteban company, a family-owned enterprise that stands now as a black mark on Chilean safety regulations inside non-major mining companies, extracts copper and gold and sells to Codelco. As a result of the mine collapse and entrapment, San Esteban has filed bankruptcy.
A Chilean court has seized the firm’s assets of US$1.8 million, or €1.43 million, but the state has not made arrangements over lost wages. For sure, 100 San Jose miners who were not underground on 5 August, as well as another 170 San Esteban miners at the neighbouring San Antonio mine, are not being paid wages. Reportedly, Campañia Minera San Esteban’s insurance carrier is responsible for wages of the trapped miners.
Together with the Murray & Roberts contractors, Chilean state officials and officials of Codelco are leading the rescue, and the use of three separate bore holes is intended to give the greatest chance of faster freedom to the miners. The oil-drilling rig, Rig 421, is expected to reach 597 metres and is drilling away from the other rescue drills because its heavier size likely would cause rock slides.
Once widening occurs by the mine-drilling rigs, as it begins today for the Schramm T-130, a steel “rescue pod” will be erected by both the miners below and technicians on top in order to lift the miners out one at a time in the 15-minute ride to the surface.
Estimates of when the miners will earn and win their freedom have now been moved up, perhaps to happen in early November.
In the meantime, and perhaps the biggest indignity for miners still working for a bankrupt company, has their strength been restored enough to clear the rock and construct the cage to ensure rescue? They suffer from skin sores, foot fungi, and abrasions caused by handling rock. With temperatures at 35 degrees Centigrade and humidity at 88%, the risk of infections and bacteria in a low-oxygen environment is very high. Three, small, 15-centimetre holes used to ferry capsules of food, liquids, medicines, and other essentials is now their only portage to the outside.
The ICEM has received scores of requests from trade unions seeking to lend support to the miners. The ICEM has been in contact with one of the leaders of Union No. 2 of Compania Minera San Esteban, its Secretary, Javier Castillo, and we encourage trade unions and trade unionists to send messages of goodwill to the miners at [email protected].
The ICEM also congratulates the humanity and solidarity shown from throughout the world to the trapped miners of Union No. 2. In just one example of such solidarity, through a call by Australia’s Construction, Forestry, Mining, and Energy Union (CFMEU), hundreds of construction workers in West Australia at a building site donated A$50 each to pay for food, housing, and other costs for family members. That inspiring response to the now longest underground mine survival in human history is being repeated in one form or another by trade unions and others all across the world.