Wednesday, March 7, 2012

Bridge climb and etc.

We had a nice visit from Karen's dad Dick last week, the weather was great the first day he was over and we were able to walk down to Bronte and he tried surfing for the first time, as did Karen! Both of them did really well, Karen was up like a pro, and Dick was able to catch some waves into the beach on the board, which is doing awesome! Friday despite some pretty heavy rain we climbed the Harbor Bridge, which was really cool - we could not bring our cameras with us, so no pictures aside from the ones we bought. It's an impressive system they have to get us into suits, harnesses, radio belts, etc. The bridge climb went really fast, and the views were amazing. I was boggled that the bridge was built to carry 4 rail lines, and 4 lanes of traffic (today 6 lanes of traffic, about 110,000 cars/day and two rail lines, a walkway and a bike path) back when there were only 350 registered vehicles in the city (and only 50 on the north side of the bridge!) - that's planning ahead! The structure of the bridge is just impressive - and during construction, only one person died from a fall despite the fact they had no safety or retention equipment. The person on the main girder headed up a rivet, threw it out to the person perched on the 6 inch wide spanning beams for them to catch in a bucket and then they would hammer it in, sometimes having to hang upside down to hammer the underside of the rivet flat. 15 people died from other construction-related injuries, which for its time was pretty good (100s died during construction of the Brooklyn Bridge).

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