GAS GAS GAS ooops i did it again....

Today i made a bummer when doing some research drilling to collect soil samples.

On the 3rd object to collect samples i hit a gaspipe in the first attempt.

It was burried 60cm deep in a yard under a great beech tree (some of you know that tree) that stands on a small hill.

It was a 50mm PE pipe i struck and penetrated. Unfortunately the manager from the shop called the police and firedepartment. (small pipe low pressure, no sweat for the maintanance crews to fix) That will cost some bucks, two firetrucks, two command cars, two police cars and a evacuation planned for the arounding buildings....

THX the one above i wasnt smoking at the time i hit it....

Normally when we go digging we get the plans for gas/water/electricity how they are burried. Its a simple centralized office to call to and they arrange all plans to be send to you. That way you can avoid damage to utillity. Also for private houseconnections these are available. At this place it just didnt seem logic that utillity was dugged in. No houses or buildings around that would need it. OOPS in 1974 they did hand dig a new gaspipe and phone line! I just cant imagine WHY they had to go that way beside those trees. 15 meter aside a BIG gaspipe was also replaced to a building and they could have simply get it further out instead of digging in a other 50M pipe.

(arrivel time firedepartment; 20 minutes, Police; 22-25 minutes, utillity; 35 minutes. In the meantime i had to chase off people that parked a car nearby and wanted out. Also i had to firmly adress some 'watchers' to putt out their smokes.)
 

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that yellow car is the company car, got it just last week...

renault kangoo 4wd, would be a shame to got it fried if the gas had ignited
 

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the fireman put up some hoses for sure and at the end they had a waterscreen to dispurse the gas, it was collecting in a roofed corner from the shop.
 

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digging up the gaspipe near the street to drill a hole in, pop a inflatable ballon in, pressurize it and the leak stops for repair.
 

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Here you see the dugged hole at the street. At 80cm deep under the pavement you see these fine roots. At that depth there was old topsoil/humus what indicated to me that in the past this area was filled in higher with soil. Roots were healty and soil was sandy with some rubble in. Not much compacted although there was a street above. At the leak itself also good soil and much fine roots trough the whole top 60cm of soil. For the repair only a few 3-5 roots ø 4-5 cm were teared out. (i cut them with my silky, need a new)
 

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[ QUOTE ]
Ooh, Ronald you know how to keep the firedudes from a days doze off do you. /forum/images/graemlins/hahaha.gif

[/ QUOTE ]

Yeah right....

4 full time pro fireman, and two officers at the scene. The rest are volunteers that chase from work to the brigade and have 'fun'. 3 or 4 past by on their bikes and shouted "see you in 10 minutes" ......
 
[ QUOTE ]
4 full time pro fireman, and two officers at the scene. The rest are volunteers that chase from work to the brigade and have 'fun'. 3 or 4 past by on their bikes and shouted "see you in 10 minutes" ......

[/ QUOTE ]

Hà, right. A shovel or two of dirt and a kick with the boot would have stopped the gass from pooring out at the cost of 10 cents. You probably stopped the leak in that elaborate way long before the supermarked guy reached for his phone, right? I hope you'll send the supermarked guy flowers for his proffesionalism and quick response /forum/images/graemlins/applaudit.gif. Think nice thoughts Ronald they only tried to help /forum/images/graemlins/crazy.gif.
 
I havent seen manual core drills in a while! I used to take soil samples from undergroung gas tanks UST's and we had to use those! Its a buggar when the tank pit is 1" gravel! /forum/images/graemlins/crazy.gif
 
[ QUOTE ]
Wild looking skullbuckets ya'll got over there!

[/ QUOTE ]Now I know why my nephew's Legos guys have helmets like that! And here I'd thought they were just being novel...
 
[ QUOTE ]
Hmmm....ahh...

I wonder why you called this thread "...i did it <u>again</u>"? Not the first gas line you've hit...? /forum/images/graemlins/ahhhhh.gif

[/ QUOTE ]

LOL no, the week before i put out markers in the field were a crew had to plant some trees. I looked at the utillity plans and all lines/pipes were more then 120cm burried. So the used a crane to dig the planthole, push in two poles to guide the tree and finish the filling again. At one point the pushed a pole into a 110mm high pressure gaspipe (4 bar). After repair it showed that the line was 75cm deep instead of 120 cm. It was at a road reconstruction were they lowered the soil level and no one changed/told us that the plans were outdated..... (also the messurements werent good anymore to find the line as the road was changed in path.)
 

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