Once again, they were more cautious than before.

Fine-tuning may seem easier than moving as a whole, but in fact, it is more difficult to operate than re-docking as a whole.

Because the cross-sectional area of the immersed tube is about 400 square meters, if the docking error is too large, it may cause the waterstop to fail.

The waterstop of the tunnel is also a new process developed by all the engineers with the strength of the engineers.

It is more effective than the existing waterstop in the puppet country, and in the previous test, it achieved 100% anti-leaching function.

If the waterstop was affected because of the docking problem, then what was their previous effort?

If the tunnel were flooded, the whole project would be meaningless.

Thinking of this serious consequence, Mr. Lin's heart was half cold, and he couldn't help but be more nervous about the current project.

However, Chief Engineer Su's expression was quite natural, and he said softly: "The accuracy of the gravel ridge has been repeatedly measured by the instrument, as long as there is no error in the calculation, there should be no problem after this calibration." ”

In order to make the immersed tube more stable and safe, they also laid a layer of gravel ridges on the foundation tank on the seabed.

Lu Zi'an snorted, and his finger dotted on the screen: "These lines are gravel ridges, although the foundation groove has been cleaned, but it has no impact on the gravel ridge." ”

After listening to their words, Chief Engineer Lin finally felt a little comforted.

Under everyone's intently watchful gaze, the immersed tube slowly moved up again.

5 cm, 4 cm......

After fine-tuning this point, the whole is pulled together.

The immersed tube is pulled up 5 mm, and the preliminary pull is over!

Without even needing their orders, the divers quickly jumped into the water.

In the depths of the ocean, the turbid waters ripple back and forth, and divers sometimes appear in view, sometimes in the shadows.

The lights that had been turned off were turned off and turned back on after being confirmed.

The glowing green light pierced the darkness and emitted a soft glow along with the sea.

There has never been a moment when this green color is so heartwarming.

Data was transmitted quickly, and the engineers were immersed in calculations.

“…… 3…… 2…… Huh?"

Someone let out a low cry, not even believing the results of their calculations, and couldn't help but recalculate them.

Chief Engineer Su frowned and leaned forward slightly: "How much is it? Why hasn't it been so long?"

"Wait, wait a minute, I'll do it again, maybe I miscalculated......"

There were three points of disbelief in this voice, and a little panic and hope.

Chief Engineer Lin glanced at Lu Zi'an, looked at the faint smile on the corner of his lips, and suddenly felt that his whole body was relaxed.

"How much is how much, don't worry to say it boldly!" Chief Engineer Lin took care of the case, and it was a rare spirit: "Even if it is 1 centimeter, we deserve it!"

The staff who was struggling to calculate looked up at him when he heard this, and his eyes were helpless: "If it was 1 centimeter, I would definitely say it directly......"

Chief Engineer Su frowned, got up and walked over directly: "How much is that?"

It's not like it's smaller than a centimeter, right?

The man calculated again, with a bitter face, and said slowly: "I, how did I calculate it, the error is 0.05 centimeters?"

Was there a problem with the outfitting, or did the line touch when it was re-docked?

0.05…… How is this possible?

Chief Engineer Su, who was halfway through, paused, and suddenly didn't know which foot to mention next.

Chief Engineer Lin was a little confused, covered his heart, and glared at him: "What did you say?

"Zero ...... Zero-five......"

The engineers next to him all swarmed up, each calculating it quickly.

Once, twice......

"Mine is also 0.05......"

"Is this data really okay?"

In the face of the huge surprise, they couldn't even believe this fact.

"No problem. Lu Zi'an smiled lightly and said lightly: "Because the original error is five centimeters, if you want to adjust it to less than three centimeters, in fact, the upper left corner can be adjusted to 1.5 centimeters." ”

But he said three centimeters.

So the error is compressed directly to a negligible number.

0.05 cm.

I don't know who it is, so I threw down the pen in my hand and applauded directly.

Even Chief Engineer Su couldn't help but raise his hand and applaud vigorously.

The audience applauded thunderously.

Chief Engineer Lin had been holding back his breath, and finally spit it out gently.

He slumped down on his chair and whispered, "The most accurate place in the undersea tunnel in Handan is four centimeters ......."

In this way, it was achieved under the careful guidance of a team of German engineers.

And they are not only proud, but they don't even show them it, and the outside world blows their accuracy to the sky.

Nowadays, the deepest impression of Germans is that they are strict and honest......

Chief Engineer Su obviously thought of this as well, and he couldn't help but turn around and look at Lu Zi'an steadily.

If this data of theirs gets out, the construction industry will go crazy......

This level of accuracy is comparable to that of a machine.

"Haha, what do you want me to do?" Lu Zi'an spread his hands and raised his eyebrows: "This is the result of everyone's joint efforts, how about it, Chief Engineer Su, do you want to have a good treat tonight?"

From the engineer suddenly came to the spirit, coaxing.

"Please, you have to please!" Mr. Su waved his hand: "Let's go to the small cafeteria tonight, let's have a buffet, order whatever you want, eat as much as you want!"

"Wow!" everyone was excited, already very happy, but now they were even more excited.

There was jubilation in the command room, and after Chief Engineer Su's words spread out, and bluntly said that there was no limit to the number of people and the type of work, soon there were cheers outside.

All the chefs returned to their posts, worried about the shortage of manpower, and Chief Engineer Su even asked people to go outside to find a few chefs to come over.

This is really a big deal, and the ingredients are pulled directly from a large cart of the restaurant.

The cafeteria was very lively, and Lu Zi'an was even toasted by various people.

Of course, for the sake of engineering, they can't really drink, so they all drink instead of alcohol.

But even so, Lu Zi'an drank enough.

Ying Xuan wanted to replace him several times, but Lu Zi'an refused: "Just want to be happy, this is not intoxicating, it's okay." ”

He was so approachable, the crowd was even more enthusiastic, and the atmosphere in the cafeteria suddenly went to the next level.

Chief Engineer Su did not go over, he took a cigarette in his mouth, and slowly and in detail, he reported the whole process to his superiors in detail.

[The unprecedented high accuracy comes from the efforts and persistence of all of us, and we will more strictly control the follow-up project ......]

Knocking on the last period, Chief Engineer Su gently spit out a smoke ring and extinguished the cigarette in the ashtray.

At the beginning, he thought that it was a bit child's fun for the official to ask him to invite a craftsman like Lu Zi'an to come over as a consultant, but now, he suddenly realized that Lu Zi'an, the consultant, was really ......

It's worth it!

The successful docking of the first immersed tube gave everyone a shot in the arm.

They are indomitable, producing two immersed tubes at a time, docking once a month, and full of enthusiasm.

With Lu Zi'an in charge, the accuracy of each immersed tube is very high, and the seventh section of the immersed tube even reaches an accuracy of 0.02.

Such a smooth operation brought them the illusion that there was no difficulty in the docking of immersed tubes.

So much so that when the fifteenth section of the immersed tube was installed, they were caught off guard by the sudden abnormal siltation.