After returning to the station, Ye Fan immediately returned to his temporary tent.

He first checked his supplies.

The supplies brought back by the new soldiers of the Third Company were all delivered to the recycling station, and there was no sight of the piles of mountains outside.

Now all the supplies are turned into numbers in Ye Fan’s Red Alert page.

After opening the recycling bin and checking, he found that the existing materials were enough to build a five-kilometer wall.

There is especially a lot of cement, the number of steel bars is slightly insufficient, and the number of sand, gravel and bricks is medium.

It is simple to build a wall with materials. One meter can be built with only 10 gold. Ye Fan immediately produced a wall of 5,000 meters.

"It is determined to build a five-kilometer wall, and materials offset 90% of the construction costs, 50,000 yuan spent. One meter is completed on average every 6 seconds. The superior can place the construction at any time."

Then Ye Fan saw the progress bar of the five-meter wall start to rotate in circles.

One meter in six seconds is still very fast, and ten meters in one minute.

A few minutes later, Ye Fan walked out of the tent.

Behind him, engineer Luo Jiaxin and others followed behind and told Ye Fan where to build the inner wall.

The first thing is to accommodate the river inside the base, so we must first build along the river bank.

Ye Fan suddenly asked Nana: "Nana, can the base door be built through system?"

"Yes, sir, each type of fence has a matching door, divided into land gate and water gate. However, the construction of the gate is ten times higher than that of the wall."

Ye Fan nodded. It was nothing more than ten times higher, after all, the door only accounts for a very small part of the area.

He began to place walls from the river bank to the inland.

On the edge of the river beach, the place suitable for construction starts first, with a straight line extending by 100 meters!

With a sound, the huge wall was built!

Five meters high and one hundred meters long, completed in an instant!

Ye Fan was stunned for a moment, sighing in his heart the magic of the system building, and then he climbed up to the wall to watch.

There are steps to climb the top under the fence, but it is only inside.

Walking up the steps, there is a walkway of one meter and five meters wide.

There is a mercedes in front of the aisle, which is about one meter. The main body of the five-meter high wall is five meters high, but if the mercedes are included, it will be more than six meters.

Looking down from the mercedes, the upright wall below is as smooth as a mirror!

The cement made the wall plane so that there was almost no bulge visible, and there was no place for climbing.

Only when it reaches a height of five meters, the wall has a protrusion, but it is half a meter outward, and it is round, connecting the wall and the marble.

The five-meter high wall below is almost impossible to climb. Even if you climb up, the circular bulge is a major obstacle to keeping you from climbing up.

Even if you can jump over this bulge and climb up, it will definitely be quite difficult, and it will immediately become a target for defending soldiers behind the cliff.

Ye Fan stomped his feet hard, and felt that his feet were hurting a little. The solidity of the wall was beyond imagination.

"The wall is still not particularly wide enough, and a wall of 1.5 meters is not enough."

"Sir, you get what you pay for. If you build a ten-meter wall, the width of the wall on it will reach four meters, and there is also a curved lane to the top, so the transport truck can easily run on it."

Ye Fan nodded. This ordinary building material plus the cost of 10 gold per meter is already worth the money to build such a wall, and he cannot be too greedy.

At least in Ye Fan's opinion, ordinary zombies or even mutant zombies want to climb this wall, unless the corpses piled up too high below are piled up too high.

As for the creepers I met today, it seems to be hopeful, but it won't be particularly relaxed.

And there are defensive warriors. Unless a large group of crawlers rushed up together, they would die if they came.

When the walls were surrounded, he set out a warning tower to guard the situation. With a heavy machine gun, his defense line was basically solid.

Walking on the wall, the cool breeze blew the fragrance of the soil in the fields, and Ye Fan couldn't help feeling a little fluttering.

He suddenly became excited and pointed to the wilderness below: "Look, this is for you."

Looking back, I saw that it was not Zhuge Yunxue's pretty face, but Chen Ruihui's tense face.

"Commander-in-chief, what did you say?" Chen Ruihui asked excitedly.

"You will clean up all the work arranged for you tomorrow with people. After the main wall is built, the partition walls of the internal buildings will also start construction."

"clear!"

Chen Ruihui was finally assigned a leading task and was full of energy.

After walking through the 100-meter wall, Ye Fan began to place the walls one by one.

The location of the fence is a key area. The stones, trees and other debris have been cleaned up, so he placed it quickly.

The engineer told Ye Fan next to him that he needed to leave a door and just skip wherever he went.

Ye Fan planned to leave ten gates for the inner base.

Among them are eight land gates and two water gates, which are set up from the river to the city and the city exit.

The inner base is a long strip with a width of four kilometers on the front and only one kilometer on the side.

There are three land gates on the front, a water gate of the Seven Star River and an iron gate of the material recycling station.

There is a land gate on each side.

There are two land gates and one water gate at the back.

The width of each door of the land gate is twenty meters, the width of the main door on the front reaches thirty meters, and the width of the water gate reaches fifty meters.

However, the door construction materials have not been completed yet, so a lot of steel is needed.

Let’s circle the wall first. After placing the five-kilometer wall, most of Ye Fan’s inner wall has emerged.

There is still more than 4,000 meters of wall, and I guess the supplies will be available tomorrow, and then there will be ten gates.

After placing the wall, it was almost dawn. Ye Fan was still not sleepy, and Ye Fan began to place watchtowers again.

The cost of the sentry building is a little more expensive. After all, the basic materials required in the sentry building are not much, and the most expensive ones are the heavy machine guns, searchlights, and heavy machine gun soldiers inside.

Corresponding to the five-meter wall is the seven-meter whistle tower with a main height of 5.5 meters and a 1.5-meter foundation.

The construction cost is 1,800 gold. If there are three army soldiers with the guards inside, it will be 2,400 gold.

Three people control the machine gun, one controls the searchlight, and one rotates.

Ye Fan looked at the supplies, and if the construction cost could be reduced to 2,000 gold after adding steel and cement.

Overall, it's pretty good, after all, a heavy machine gun trio also costs this price.

Nowadays, Ye Fan will produce the materials immediately.

During the production of the post, Ye Fan even fell asleep and got up again after the construction was completed.

He placed four wardrobes in four corners.

The seven-meter whistle tower was set up, and the soldiers inside saluted Ye Fan.

These soldiers were also counted as the members of Ye Fan's battalion headquarters, and there were twelve more soldiers out of thin air.

Of course, four sentry towers are not enough for a ten-kilometer wall, and Ye Fan still has to wait until today's supplies arrive before continuing to add them.

After the construction of the sentry tower, it was already early in the morning.

Ye Fan was eating the steamed buns from the cooking team in the morning, while walking on the wall.

Now the fence on the left side of the front is almost the same, only the fence on the back and right side has not been built.

It can be said that the general framework of the inner layer of the base has come out.

The morning sun shines, dyeing the wall a layer of golden color, which makes people feel a bit spectacular.

A group of soldiers got up in the morning, some patrolled with military dogs, and some had breakfast and were preparing to set off again to find supplies.

The army soldiers in the sentry faithfully fulfill their duties, and their vision is very good, and they are equipped with telescopes and night vision devices, as well as high-power searchlights, which can be seen within a few kilometers.

Anyone who dares to approach will be shot and killed by sentries without mercy.

Four square kilometers outside the inner layer is the area that Ye Fan plans to leave for the survivors.

This area is larger, about ten square kilometers, originally a large wasteland, and there are many rocks and weeds.

However, Ye Fan did not plan to let the soldiers clean up this area, so he would leave it to the survivors to do it himself.

If you want to live a good life, you have to work.

He planned to fill up the walls until today and burst out the soldiers, and go to the mountains to find the location of the gold mine and prepare for the construction of the mine.

Just as I opened the soldier page and prepared for the violent soldiers, the walkie-talkie rang.

The answer was called by Xu Haoran.

"Sir, the base car is expected to be completed tomorrow. Please give me instructions!"

The black soil is filled with smoke and smoke
Chapter completed!