
when the California Department of Transportation decommissioned the bridge
Transportation decommissioned the bridge
Transportation decommissioned the bridge in 2005 they requested bits to see who
in 2005 they requested bits to see who
in 2005 they requested bits to see who could pull down the Carquinez in the
could pull down the Carquinez in the
could pull down the Carquinez in the right way for the best price five
right way for the best price five
right way for the best price five contracting firms entered their bids
contracting firms entered their bids
contracting firms entered their bids most wanted to use large and expensive
most wanted to use large and expensive
most wanted to use large and expensive water-based equipment to dismantle the
water-based equipment to dismantle the
water-based equipment to dismantle the bridge but one small firm California
bridge but one small firm California
bridge but one small firm California engineering contractors had a different
engineering contractors had a different
engineering contractors had a different idea
idea
idea their plan to bring down each one point
their plan to bring down each one point
their plan to bring down each one point four million pounds section all at once
four million pounds section all at once
four million pounds section all at once by lowering them with cables onto to
by lowering them with cables onto to
by lowering them with cables onto to awaiting barges
each Bridgespan would become a vessel
each Bridgespan would become a vessel wider than the width of an aircraft
wider than the width of an aircraft
wider than the width of an aircraft carrier and be pushed away by tugboats
not only has this innovative technique
not only has this innovative technique never been attempted California
never been attempted California
never been attempted California engineering contractors claims it can do
engineering contractors claims it can do
engineering contractors claims it can do it for just 18 million dollars 10
it for just 18 million dollars 10
it for just 18 million dollars 10 million less than the nearest competitor
they’re low bid wins and the job but
they’re low bid wins and the job but they have a secret plan to recoup some
they have a secret plan to recoup some
they have a secret plan to recoup some of the money recycling
there’s nearly 50 million pounds of
there’s nearly 50 million pounds of steel and concrete in the Carquinez
properly recycled the steel alone is
properly recycled the steel alone is worth more than two million dollars
project manager David pure Marini has
project manager David pure Marini has planned this job for eight months
planned this job for eight months
planned this job for eight months there’s little to no waste on a
there’s little to no waste on a
there’s little to no waste on a demolition project like this what we do
demolition project like this what we do
demolition project like this what we do here on the jobsite is we cut it up into
here on the jobsite is we cut it up into
here on the jobsite is we cut it up into two members that are manageable put it
two members that are manageable put it
two members that are manageable put it into trailers and different types of
into trailers and different types of
into trailers and different types of containers and they bring it right over
containers and they bring it right over
containers and they bring it right over to the scrapyard
a crew gets to work on the south end of
a crew gets to work on the south end of the bridge heavy machinery pulls down
the bridge heavy machinery pulls down
the bridge heavy machinery pulls down the concrete towers steel rods called
the concrete towers steel rods called
the concrete towers steel rods called rebars sit inside the concrete to give
rebars sit inside the concrete to give
rebars sit inside the concrete to give it strength
Bridge engineer Jay Coleman knows
Bridge engineer Jay Coleman knows there’s value in every scrap of steel
there’s value in every scrap of steel
there’s value in every scrap of steel the steel industry has been recycling
the steel industry has been recycling
the steel industry has been recycling for a long time because it’s just the
for a long time because it’s just the
for a long time because it’s just the driving economics behind it it’s cheaper
driving economics behind it it’s cheaper
driving economics behind it it’s cheaper to harvest steel from this old column
to harvest steel from this old column
to harvest steel from this old column and it’s the harvest iron ore from the
and it’s the harvest iron ore from the
and it’s the harvest iron ore from the ground and make new steel
even the ruble will be pulverized and
even the ruble will be pulverized and made into roads
it’s a steel cantilever truss bridge
it’s a steel cantilever truss bridge that were taken apart it’s 12,000 tons
that were taken apart it’s 12,000 tons
that were taken apart it’s 12,000 tons of steel as well as a significant amount
of steel as well as a significant amount
of steel as well as a significant amount of concrete and we’re tasked with
of concrete and we’re tasked with
of concrete and we’re tasked with completely removing the bridge so that
completely removing the bridge so that
completely removing the bridge so that when we’re all done with this project
when we’re all done with this project
when we’re all done with this project there will be no trace this is a dream
there will be no trace this is a dream
there will be no trace this is a dream for an engineer to be a part of
for an engineer to be a part of
for an engineer to be a part of something like this and this is why we
something like this and this is why we
something like this and this is why we do this
”
Be First to Comment