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dredman1
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Re: Power outage and load shedding today

Postby dredman1 » August 17th, 2022, 1:45 pm

Had brief load shedding this morning in the edinburgh/montrose area from around 9.50am - 11.45am

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Re: Power outage and load shedding today

Postby redmanjp » August 17th, 2022, 1:56 pm

nervewrecker wrote:Inverter ac on 24/7 crew checking in.

Temp set to 28 degrees.


higher temps would mean compressor on less so less power used

i only using an Oster cooler but in fan mode alone. we saving d day! :D

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Re: Power outage and load shedding today

Postby gastly369 » August 17th, 2022, 1:57 pm

Place hot fork that
36000 24000 and 3 12000 running

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nervewrecker
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Re: Power outage and load shedding today

Postby nervewrecker » August 17th, 2022, 3:22 pm

gastly369 wrote:Place hot fork that
36000 24000 and 3 12000 running
We on the 66kv ring circuit dappa, we not affected by what take place on tgu / trinity end.

Remember when the tx failed at powergen how it was only those on the ring circuit affected and they couldn't patch us into the 220kv grid?

Well same way.

I do hope these scrap iron men haven't discovered thermite yes. That sure as hell taking out a tower and it's an easy way to cripple the country. Easy way to make work for t&TEC and make them seem more valuable also.....but that's a discussion for another time.

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Re: Power outage and load shedding today

Postby gastly369 » August 17th, 2022, 4:05 pm

Ahhh

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nervewrecker
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Re: Power outage and load shedding today

Postby nervewrecker » August 17th, 2022, 5:17 pm

And now back to the recent blackout.....

How come the 66kv ring circuit went down together with the 220kv circuit

*Strolls around...Kicks pebble........yellow vehicle pulls up*

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DMan7
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Re: Power outage and load shedding today

Postby DMan7 » August 17th, 2022, 6:47 pm

Arcmanov wrote:
DMan7 wrote:Good thing I have a 2200VA UPS, using my PC as if current never went for close to 1hr 30 mins.
PM me the model of that UPS por favor.


Forza. Cheap sheit brand, but that 2200va was quite expensive and I ended up buying it a week before all this outage madness, thank god.

BTW current gone again (San Juan area here)

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Re: Power outage and load shedding today

Postby goalpost » August 17th, 2022, 7:32 pm

nervewrecker wrote:And now back to the recent blackout.....

How come the 66kv ring circuit went down together with the 220kv circuit

*Strolls around...Kicks pebble........yellow vehicle pulls up*


What 66 kV ring? The Pt Lisas industrial estate?

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DMan7
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Re: Power outage and load shedding today

Postby DMan7 » August 17th, 2022, 7:37 pm

Looks like current came back?

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Supra GT-FOUR
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Re: Power outage and load shedding today

Postby Supra GT-FOUR » August 17th, 2022, 7:40 pm

goalpost wrote:
nervewrecker wrote:And now back to the recent blackout.....

How come the 66kv ring circuit went down together with the 220kv circuit

*Strolls around...Kicks pebble........yellow vehicle pulls up*


What 66 kV ring? The Pt Lisas industrial estate?
Pt lisas used to have 132kv circa 2008. That was pre TGU. I highly doubt that has changed.
@nervewrecker will know where exactly he is referring to with 66kv.

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Re: Power outage and load shedding today

Postby goalpost » August 17th, 2022, 8:18 pm

Only AUM, Desalcott and another substation in Caribbean Drive is 132 kV, joined as a ring.

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Re: Power outage and load shedding today

Postby The_Honourable » August 17th, 2022, 9:18 pm

pugboy wrote:them hire aecom engineers for this job ?
them not supposed to be trying to fix the creek failure ?


Apparently, works on the point fortin highway caused a large portion of earth with the tower foundation to slip forward onto the new highway. AECOM was nearby hence why they were on site.
Attachments
1.jpg
2.jpg

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Re: Power outage and load shedding today

Postby matix » August 17th, 2022, 9:34 pm

That entire tower with the land it’s on move so much. If those cables had snapped well that would have been pressure

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Re: Power outage and load shedding today

Postby redmanjp » August 17th, 2022, 10:05 pm

DMan7 wrote:Looks like current came back?


How long it went for?

By me in Arima we never lost power. But news day everything back to normal tomorrow which means load shedding may still happen till then.

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DMan7
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Re: Power outage and load shedding today

Postby DMan7 » August 17th, 2022, 10:06 pm

About 30 mins.

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maj. tom
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Re: Power outage and load shedding today

Postby maj. tom » August 17th, 2022, 10:27 pm

From those pictures they cut the land below for the highway to pass? And didn't build a retention wall to hold the land above it? And the civil engineers must have done soil tests to know that that land had a high probability to slip with given rainfall? So, this would have happened eventually regardless? What it had happened when the road opened?


//Google Forensics#

Pull up the satellite pics for the Point Fortin highway construction.
I found the high voltage corridor crossing the highway and the towers from the shadows.
Image date: 12/2021
Image


Location 10.200324, -61.610371
https://goo.gl/maps/bTDiRb5fy1xce74p6
But you need Google Earth Pro to get the screenshots I'm using here.

Zoom and Enhance!
This has to be the area in question right? Judging from the pics posted above.
Image



Go back to 10/2020. So the lines and towers were present before construction.
The construction company knew all this existed.
Image

Finished highway section. Image date 05/2022.
Tower structure less than 100 meters from roadway.
Thus no retaining wall? They must have known about soil movement in the area, right? They're building a highway for daily 20 ton vehicles.
Image

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nervewrecker
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Re: Power outage and load shedding today

Postby nervewrecker » August 18th, 2022, 4:10 am

goalpost wrote:
nervewrecker wrote:And now back to the recent blackout.....

How come the 66kv ring circuit went down together with the 220kv circuit

*Strolls around...Kicks pebble........yellow vehicle pulls up*


What 66 kV ring? The Pt Lisas industrial estate?


no, powergen penal.

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Re: Power outage and load shedding today

Postby 88sins » August 18th, 2022, 4:13 am

Soil at the base of the tower looks lke a mildly dense loam.
Is there drainage alongside that section of highway? If not, when rain falls where they tell the water to go?

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Re: Power outage and load shedding today

Postby pugboy » August 18th, 2022, 5:35 am

allyuh bussing files on aecom before the rest of the big news places boi

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nervewrecker
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Re: Power outage and load shedding today

Postby nervewrecker » August 18th, 2022, 7:22 am

pugboy wrote:allyuh bussing files on aecom before the rest of the big news places boi
Files always here before the news.

News does browse here for stories. This is trinituner

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Re: Power outage and load shedding today

Postby VexXx Dogg » August 18th, 2022, 9:09 am

maj. tom wrote:From those pictures they cut the land below for the highway to pass? And didn't build a retention wall to hold the land above it? And the civil engineers must have done soil tests to know that that land had a high probability to slip with given rainfall? So, this would have happened eventually regardless? What it had happened when the road opened?


//Google Forensics#

Pull up the satellite pics for the Point Fortin highway construction.
I found the high voltage corridor crossing the highway and the towers from the shadows.
Image date: 12/2021
Image


Location 10.200324, -61.610371
https://goo.gl/maps/bTDiRb5fy1xce74p6
But you need Google Earth Pro to get the screenshots I'm using here.

Zoom and Enhance!
This has to be the area in question right? Judging from the pics posted above.
Image



Go back to 10/2020. So the lines and towers were present before construction.
The construction company knew all this existed.
Image

Finished highway section. Image date 05/2022.
Tower structure less than 100 meters from roadway.
Thus no retaining wall? They must have known about soil movement in the area, right? They're building a highway for daily 20 ton vehicles.
Image


When you cut enough corners you get a circle :lol: :lol: :lol: :lol: :lol: :lol:

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Re: Power outage and load shedding today

Postby pugboy » August 18th, 2022, 9:20 am

these pics gonna make news

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maj. tom
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Re: Power outage and load shedding today

Postby maj. tom » August 18th, 2022, 9:43 am

We see retaining walls all over the highway for overpass design, and they are expensive. But not more expensive than the disaster awaiting for neglecting it. I believe that for that particular section with the tower, the entire area from the base of the tower to the highway should have been backfilled and reinforced.

This is a typical backfilled retaining wall in layers to hold the weight of the earth above it on a overpass.
Image

A Mechanically Stabilized Earth (MSE) retaining wall is a composite structure consisting of alternating layers of compacted backfill and soil reinforcement elements, fixed to a wall facing. The stability of the wall system is derived from the interaction between the backfill and soil reinforcements, involving friction and tension. The wall facing is relatively thin, with the primary function of preventing erosion of the structural backfill. The result is a coherent gravity structure that is flexible and can carry a variety of heavy loads.

Image
The Effect of Reinforcements on Soil Deformation.

Image
Section: Basic MSE Wall Components.

Image
Stacked concrete panels with Retained Earth® (loops) and Reinforced Earth® (tie strips) soil reinforcement connections.

Images with full engineering descriptions taken from:
https://reinforcedearth.com/products/retaining-walls/mechanically-stabilized-earth-mse-retaining-walls/

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maj. tom
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Re: Power outage and load shedding today

Postby maj. tom » August 19th, 2022, 8:29 am

Check how they trying to blame TTEC for this. They were told Monday, Blackout was Tuesday. So TTEC was supposed to fix the landslide problem in less than 24 hours? A problem caused over 2 years of construction of the highway? Persons familiar with the area, anybody seeing a backfilled retaining wall where this landslide happened?

T&TEC was warned
Commission told on Monday of tower problem

The National Infrastructure Development Company (Nidco), which has oversight of the highway extension project, said the land movement near the tower was first observed on Monday, and T&TEC was informed of the instability.

Image
Image
https://trinidadexpress.com/news/local/t-tec-was-warned/article_a2598dc4-1e90-11ed-a5b0-fb534e6764f5.html


TBH I think TTEC response to this situation was very good and they had restored power in a short enough time.

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matix
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Re: Power outage and load shedding today

Postby matix » August 19th, 2022, 8:43 am

maj. tom wrote:Check how they trying to blame TTEC for this. They were told Monday, Blackout was Tuesday. So TTEC was supposed to fix the landslide problem in less than 24 hours? A problem caused over 2 years of construction of the highway? Persons familiar with the area, anybody seeing a backfilled retaining wall where this landslide happened?

T&TEC was warned
Commission told on Monday of tower problem

The National Infrastructure Development Company (Nidco), which has oversight of the highway extension project, said the land movement near the tower was first observed on Monday, and T&TEC was informed of the instability.

Image
Image
https://trinidadexpress.com/news/local/t-tec-was-warned/article_a2598dc4-1e90-11ed-a5b0-fb534e6764f5.html


TBH I think TTEC response to this situation was very good and they had restored power in a short enough time.


TTEC did an excellent job

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Re: Power outage and load shedding today

Postby goalpost » August 19th, 2022, 7:39 pm

Ttec found out about it Monday afternoon and were observing it. Their Civil dept was engaged, and cautions were put in place.
This was the same circuits that resulted in the blackout in Feb. The difference is this time because Ttec was aware of this evolving situation, they reduced their reliance in generation from TGU and increased generation from Pt Lisas and Penal and Trinity Power on Tuesday.

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Re: Power outage and load shedding today

Postby nervewrecker » August 20th, 2022, 1:50 pm

goalpost wrote:Ttec found out about it Monday afternoon and were observing it. Their Civil dept was engaged, and cautions were put in place.
This was the same circuits that resulted in the blackout in Feb. The difference is this time because Ttec was aware of this evolving situation, they reduced their reliance in generation from TGU and increased generation from Pt Lisas and Penal and Trinity Power on Tuesday.
Performance fuh days.

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Re: Power outage and load shedding today

Postby gastly369 » August 20th, 2022, 2:15 pm

nervewrecker wrote:
goalpost wrote:Ttec found out about it Monday afternoon and were observing it. Their Civil dept was engaged, and cautions were put in place.
This was the same circuits that resulted in the blackout in Feb. The difference is this time because Ttec was aware of this evolving situation, they reduced their reliance in generation from TGU and increased generation from Pt Lisas and Penal and Trinity Power on Tuesday.
Performance fuh days.
deja vu of operations boi

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nervewrecker
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Re: Power outage and load shedding today

Postby nervewrecker » August 20th, 2022, 6:46 pm

gastly369 wrote:
nervewrecker wrote:
goalpost wrote:Ttec found out about it Monday afternoon and were observing it. Their Civil dept was engaged, and cautions were put in place.
This was the same circuits that resulted in the blackout in Feb. The difference is this time because Ttec was aware of this evolving situation, they reduced their reliance in generation from TGU and increased generation from Pt Lisas and Penal and Trinity Power on Tuesday.
Performance fuh days.
deja vu of operations boi
Lissen meh, lissen meh....lissen meh.....I want no part of this.

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wing
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Re: Power outage and load shedding today

Postby wing » August 21st, 2022, 2:48 pm

What do all these areas have in common?
IMG-20220821-WA0006.jpg

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