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cruise ship construction



 
 
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  #1  
Old March 17th, 2009, 04:52 PM posted to rec.travel.cruises
[email protected]
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Posts: 28
Default cruise ship construction

Why is it that modern cruise ships become "rustbuckets" in only 15
years?!
Are they poorly built or poorly maintained?

I say BOTH!

Many ships built in the 80's and 90's have STEEL water and drain
pipes. They rust out in 12 years. Where does that leaking water go-
especially the pipes hidden in the walls?! Are they still using steel
pipes in new construction, instead of pvc, hpvc and copper?

Many of the laundries have NO drain pipes, in case a poorly maintained
washer hose breaks. I've seen 5" of water in a laundry room before.

Am I the only one who ever smelled sewer gas throughout a cruise ship?
That's due to not cleaning out the drain pipes regularly. It's also
due to poorly maintained or no water softening equipment.

Cracking and breaking of poor quality calk around upper (outside) deck
water drains. Where does all that water go that seeps into those
cracks?

Makes me wonder what else is deteriorating behind the walls of cruise
ships.
  #2  
Old March 17th, 2009, 06:01 PM posted to rec.travel.cruises
Rosalie B.
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Posts: 1,575
Default cruise ship construction

" wrote:

Why is it that modern cruise ships become "rustbuckets" in only 15
years?!
Are they poorly built or poorly maintained?

I say BOTH!

snip

Am I the only one who ever smelled sewer gas throughout a cruise ship?
That's due to not cleaning out the drain pipes regularly. It's also
due to poorly maintained or no water softening equipment.

No you are not and not that's not what it is due to. We smelled sewer gas constantly on the aft
promenade deck of the Statendam - more when we were in port or when we had a tail wind. It wasn't
from not cleaning - it was from poor design. The gas from the sewage vents got re-entrained into
the ventilation system. I was told that the ship engineer was quitting because he couldn't stand
the complaints anymore and he couldn't do anything about the problem.

  #3  
Old March 17th, 2009, 10:11 PM posted to rec.travel.cruises
RsH
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Posts: 85
Default cruise ship construction

On Tue, 17 Mar 2009 08:52:30 -0700 (PDT), "
wrote:


Are they still using steel
pipes in new construction, instead of pvc, hpvc and copper?


Copper would work, but it is expensive. As for the other two choices,
forget it. They would NOT pass the fire codes that need to be
followed. PVC or HPVC are quite capable of burning, and producing
toxic fumes if they do that can kill quite easily. No one should be
using them in areas where fire proof or water tight doors can operate
when a fire is signalled, trapping crew and passengers in with the
fumes produced by the burning plastic. Even chemicals that are
designed to reduce the chance of fire eventually migrate out of these
plastics, leaving them dangerous. Do NOT put me on a ship with a lot
of that type of pipe on board!

http://www.ecocycle.org/askeco-cycle/2005/0318.cfm
According to an alarming new report on the dangers of PVC by the
Center for Health, Environment, and Justice, PVC production fuses
vinyl chloride molecules with toxic metals such as lead and cadmium,
which are added as plasticizers and stabilizers. Because of the
chemical properties of chlorine, the by-products of PVC production
tend to be far more toxic, more persistent in the environment, and
more likely to build up in the food supply and the bodies of people
than otherwise similar chemicals that do not contain chlorine. PVC is
the only major plastic that contains chlorine, so it is unique in the
hazards it creates.

In use, the toxic substances added to soften or stabilize the plastic
do not bind to the toy, bottle, or other product and are therefore
prone to leaching. When your child or pet chews on a plastic PVC toy,
for example, they can be ingesting these chemicals. One such chemical,
DEHP, has been designated a “probable carcinogen” by the EPA.

Because so many different additives are used to make PVC, recycling
the plastic is extremely difficult, and any #3 bottles that make it
into the recycling stream can contaminate and ruin a load of #1
bottles. When incinerated, PVC forms dioxins, a highly toxic group of
chemicals that build up in the food chain. When landfilled, PVC poses
significant long-term environmental threats as chemical additives can
leach into groundwater.

RsH
  #4  
Old March 18th, 2009, 06:00 AM posted to rec.travel.cruises
[email protected]
external usenet poster
 
Posts: 28
Default cruise ship construction

On Mar 17, 5:11*pm, RsH wrote:
On Tue, 17 Mar 2009 08:52:30 -0700 (PDT), "

wrote:
Are they still using steel
pipes in new construction, instead of pvc, hpvc and copper?


Copper would work, but it is expensive. As for the other two choices,
forget it. They would NOT pass the fire codes that need to be
followed. PVC or HPVC are quite capable of burning, and producing
toxic fumes if they do that can kill quite easily. No one should be
using them in areas where fire proof or water tight doors can operate
when a fire is signalled, trapping crew and passengers in with the
fumes produced by the burning plastic. Even chemicals that are
designed to reduce the chance of fire eventually migrate out of these
plastics, leaving them dangerous. Do NOT put me on a ship with a lot
of that type of pipe on board!

http://www.ecocycle.org/askeco-cycle/2005/0318.cfm
According to an alarming new report on the dangers of PVC by the
Center for Health, Environment, and Justice, PVC production fuses
vinyl chloride molecules with toxic metals such as lead and cadmium,
which are added as plasticizers and stabilizers. Because of the
chemical properties of chlorine, the by-products of PVC production
tend to be far more toxic, more persistent in the environment, and
more likely to build up in the food supply and the bodies of people
than otherwise similar chemicals that do not contain chlorine. PVC is
the only major plastic that contains chlorine, so it is unique in the
hazards it creates.

In use, the toxic substances added to soften or stabilize the plastic
do not bind to the toy, bottle, or other product and are therefore
prone to leaching. When your child or pet chews on a plastic PVC toy,
for example, they can be ingesting these chemicals. One such chemical,
DEHP, has been designated a “probable carcinogen” by the EPA.

Because so many different additives are used to make PVC, recycling
the plastic is extremely difficult, and any #3 bottles that make it
into the recycling stream can contaminate and ruin a load of #1
bottles. When incinerated, PVC forms dioxins, a highly toxic group of
chemicals that build up in the food chain. When landfilled, PVC poses
significant long-term environmental threats as chemical additives can
leach into groundwater.

RsH


o.k. Then with a eye toward non-toxicity and non-rust, you would
recommend copper for hot and cold water pipes and pvc with an inside
coating of something (to prevent contamination of waste water into the
environment )for drain pipes.?

As far as fire-are we to believe that the entire ship is so burn-proof
that a relatively small amount of pvc drain would pose such a
danger- even when it is hidden behind fire-resistant walls and
floors! Sounds like fire danger ought to be addressed by an all out
concentration on fire suppression items like smoke alarms and quick
and easily accessable fire extinguishers in every room. galley,dining,
hall, etc. on the ship.- in addition to the extinguishers 150' away
with the long hoses.
 




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