Apocalypse Rebirth: 3000 million won at the beginning

Chapter 1605: Clearing the Zombies in the Lake
In the blink of an eye, ten days passed.

During this period, Dongfeng led a transport convoy to Tong City and the chemical plant in the north of Southern Paradise, making five round trips.

It took half a month.
Finally, the destroyer and the equipment and raw materials in the chemical plant were transported back to the trading market.

The destroyer includes wires and cables that can be removed, electronic equipment that may be repaired, close-in defense guns, and all weapons in the destroyer's ammunition depot.

All were moved to the transport warehouse area in the southern part of the trading mart.

Also.

The construction of the water plant, one of the important recent projects, has also reached a critical point.

After ten days of hard work, the ditch outside the water plant is finally ready to be opened.

It is ten kilometers from Nanwan Lake to the trading market. The excavators dug at a speed of one kilometer every day. When they dug five kilometers, they began to level the ditch and build the ditch channel with bricks and cement.

They are digging and building at the same time.

The sun was very strong these days, so the cement was dried and solid in less than two days.

Trading bazaar.

South area.

Xie Changshan looked at the water plant under construction. During the past ten days, the construction team worked in two shifts.

Whether it was day or night, the construction site never stopped and was always under construction.

Generally speaking, the number of water tanks required by a water plant varies from plant to plant, and usually includes at least one raw water tank, a sedimentation tank, a filtration tank and a clear water tank.

Additional tanks may be required depending on treatment capacity.

The water plant they designed needs to be able to meet the water needs of 150,000 people. It is a medium-sized water plant and requires eight to twelve water tanks.

These include:

Raw water tank: used to store raw water drawn from the water source.

Sedimentation tank: After adding coagulant to the raw water, suspended matter and impurities in the water are removed through sedimentation.

Disinfection pool: Add disinfectant to the water for disinfection and sterilization.

Filtration pool: further removes fine particles in the water and improves water quality.

Clean water tank: stores treated clean water, waiting to be delivered to users.

According to the needs of the trading market, 10 pools were set up.

All ten pools need to be excavated, and after excavation, the bottom and side walls of the main pool need to be poured to ensure the structural stability and waterproofness of the pool.

Cement has a stable structure and is also waterproof.

During these ten days, after working day and night, 5 pools were dug, and some of the pools have begun to be paved with cement to stabilize them.

At the same time, in order to prevent the pool from being affected by natural disasters, they also have to build a greenhouse on it.

"Chief Engineer Xie, Liu Yu sent a message that the ditch is about to be cleared, and the workers are being sent back now." Ding Wu, who was in charge of the construction of the factory building of the trading market, said to Xie Changshan.

"it is good."

Xie Changshan's eyes lit up. According to the progress forecast, the connection would be opened today. He had already found Director Luo of the Operations Department two days ago and asked him to provide fire support when the time comes.

The end of the world is different from the past. There are a lot of zombies in the lake. When they fetch water, the noise is too loud, which is likely to attract the attention of the zombies in the lake.

Although there are people from the Civil Armed Forces Department watching over him now, he still feels unsafe.

You have to know that the entire Nanwan Lake is nearly 75 square kilometers, with a total storage capacity of 16.3 billion cubic meters. Such a large amount of water must have attracted a large number of zombies from the surrounding area.

They must be adequately prepared, otherwise they would not dare to carry out construction blindly.

"What's the progress with the disinfectants and coagulants at the headquarters?" Xie Changshan turned his head and asked Ding Wu.

Ding Wu replied:

"The coagulant used for sedimentation is fine and has been mass-produced. However, the disinfectant was only officially mass-produced yesterday. It is estimated that it will take a week to produce enough disinfectant."

The disinfectants used in water plants during the apocalypse are different from those used before the apocalypse.

These waters have been soaked by zombies and contain many viruses. If people drink them, they may suffer from diarrhea and fever at the very least, or lose consciousness and die at the worst.

Fortunately, over the years at the base, the Zombie Research Institute has conducted in-depth research on zombies.

Through the joint cooperation of the chemical plant and the Zombie Research Institute, a disinfectant that can maximize the purification of water sources was developed in a short period of time.

"A week is still enough time." Xie Changshan nodded.

The drought problem is more serious now than it was ten days ago.

The river in the south of the trading market has completely dried up. Now all the construction projects in the trading market rely on the water in the previous reservoir to avoid suspension of work.

If the water plant is not built in a short time, the construction site in the trading market will have to stop due to water shortage.

and.

This is just a problem that occurs at the trade fair site.

Outside, due to prolonged exposure to the sun and dry weather, several forest fires occurred.

Just three days ago, they could see thick smoke in the distance at the trading market. If it weren't for the headwind, the ashes from the fire over there would have been blown to the trading market.

Some of the grass and trees on the roadside dried up and died. The death of plants also affected the survivors.

They can no longer simply go to the mountains and forests and find wild vegetables or edible fruits like they did two or three months ago.

After all, a thunderstorm disaster had just passed at that time, and mushrooms and fungi were everywhere in the mountains and forests.

Now, as the drought continues and plants die, it is becoming increasingly difficult for them to find food in the mountains and forests.

Drinking water outside the trading bazaar has also become a problem for them.

Spring water is hard to find.

The only way is to get water from low-lying areas and boil it to drink.

But zombies like water, and generally there are more zombies in places with lots of water.

They always risk their lives to fetch water and are terrified every time they do so.

It's a bit like the dry season in Africa in the animal world.

Some herbivores have to be very careful when they come to the lake to drink water, because if they are not careful, one or more crocodiles may jump out of the water and drag them into the water.

The current situation is very similar to the scene in the animal world.

Xie Changshan took a deep breath, walked to a small electric donkey, turned his head and said to Ding Wu: "I'll leave the factory to you. I'm going to go find Captain Ding."

"Okay." Ding Wu watched Jie Changshan drive away on his electric scooter.

Xie Changshan drove a small electric scooter from the trading market to the oil city.

Ding Meng was found in the security room.

"Captain Ding."

Xie Changshan saw Ding Meng looking at the monitoring screen and continued:
"Director Luo should have told you that we need your support in the next two days. Can we set off now?"

Ding Meng turned his head and saw Xie Changshan, then stood up and said:
"Okay, Director Luo mentioned it to me. Give me ten minutes to notify everyone. We can set off in ten minutes."

"Okay, okay." Xie Changshan nodded very politely.

I was secretly shocked. Ten minutes went by so quickly!

It is worthy of being the first battalion of the Operations Department.

Although Ding Meng is only a brigade captain, his status as a brigade captain is extremely valuable.

The combat unit is in the core combat sequence of the Dazhangshu base forces.

The combat personnel of the Operations Department are basically retired veterans brought by Lao Qin, Ju Tianrui, Xiao Jun, Lao Luo, Lao Xie, and Lao Yi.

They have rich combat experience and relatively high overall quality.

Moreover, Ding Meng joined the camphor tree base much earlier than Xie Changshan. Therefore, Xie Changshan was very respectful to Ding Meng.

This is the case in this doomsday where whoever has the bigger fist is the boss.

Ding Meng picked up the intercom and quickly gave an order: "Sun Bing, notify the entire team and prepare for battle!"

After saying this, he hurried out the door, and as if he remembered something, he turned his head and said to Xie Changshan:

"Jie Gong, please wait for us at the entrance of Oil City. I need to report to Director Luo."

"Row."

Dilulu——

Less than three minutes after Sun Bing blew the whistle, a group of people in black combat uniforms came rushing down from the building.

Crunch!

Trucks, armored vehicles, and explosion-proof vehicles drove out of the garage and stopped in front of the crowd.

These combatants were standing in a neat row. Sun Bing glanced at them and shouted:

"boarding!"

Combat Elite No. 200 walked to the car in an orderly manner.

There were 24 vehicles in total, including four armored vehicles, four explosion-proof vehicles, and sixteen troop transport trucks.

In the previous several battles, they had already fixed their respective positions, and it was very clear what each person was responsible for.

After Sun Bing watched them get in the car, he picked up the walkie-talkie and contacted Ding Meng.

"Captain, we are in position and ready to go."

Ding Meng, who had just returned from reporting from Lao Luo, looked at his watch after receiving Sun Bing's message.

It took less than eight minutes from the time he notified Sun Bing to the time everything was ready.

Okay.

"Come pick me up at the gate of Oil City."

"Yes."

A few minutes later.

The convoy gathered at the gate of Oil City, picked up Ding Meng and Jie Changshan, and drove towards the west gate of the trading market.

As the combat department, they don't have to go out through the main entrance of the trading market.

No need to queue, no need to check, no stopping.

Before they were about to go out, the person in charge of city defense had already received the notice to leave the city in advance.

When the convoy arrived at the west gate, Luo Gui, the person in charge of the city defense of the trading group, immediately ordered the west gate to be opened.

Boom boom boom——

The convoy roared out of the trading market.

It was the first time for Xie Changshan to follow the combat brigade's vehicle out. Looking at the well-organized and disciplined combat brigade, he couldn't help but marvel at them. They were worthy of being the Combat Department!

It must be stronger than the Civil Armed Forces Department!
After the convoy drove out of the trading market, it headed towards Nanwan Lake.

Ding Meng was in the car, looking at Xie Changshan and asked:
"Let's confirm the task arrangement. Our task is to protect the construction team working by the lake and prevent the zombies in the lake from coming ashore and attacking the construction team, right?"

Xie Changshan nodded and said, "Yes, there are also people from the Civilian Armed Forces Department on the construction site who can help."

"Which team?" Ding Meng asked.

Xie Changshan quickly replied: "The ninth brigade, the brigade leader is Xia Liangfeng."

"Okay, I get it now."

"There may be a lot of zombies coming out of the lake later. What are you going to do?" Ding Meng asked.

Although his order was to protect the construction team, he needed to know the details such as the time the construction team needed and how to carry out the construction.

Xie Changshan took out a pen and paper and drew a zigzag shape of a lake.

“This is South Bay Lake.”

Then he drew another line on the paper.

“This is the water diversion ditch we dug.”

Draw another square at the end of that line.

"This is our oil city and trading bazaar."

He pointed to Nanwan Lake and said, "Our goal is to bring the water from Nanwan Lake to the trading market for processing and turn it into usable water."

"In Nanwan Lake, in order to ensure that water can be introduced into the trading market, we need to build a small dock on Nanwan Lake and install iron fences to prevent zombies from flowing into our ditches with the water."

As he spoke, he drew a demonstration on paper.

"Now the lake water can flow naturally into the ditch due to the height difference, but if the drought continues, the lake water level will drop and the lake water level will be lower than the ditch and will not be able to flow naturally."

"So we have to build a small concrete building on the dock, and when the water level drops to the point where it can no longer flow by itself, we will use a pump to pump water out and bring it into the ditch."

Ding Meng didn't understand some of the professional terms, but he roughly understood Xie Changshan's ideas.

“How long will the whole project take?”

Xie Changshan opened his mouth and replied:

“We used the caisson method and cofferdam method to construct the dock.”

"The planned length of the wharf is 20 meters, the width is 10 meters, and the average depth is 7 meters. We have already prepared the caissons, and we can use them directly for construction. The columns used for this type of caisson are usually hollow cylinders with sealed bottoms."

Xie Changshan was afraid that Ding Meng might not understand, so he continued to draw a demonstration on the drawing.

"It's just a box. You can think of it as a hollow concrete box. Put sand and stones inside, and then put it in the water to sink to the bottom. Step by step, piece it together, and it will form a good foundation until it emerges from the water."

"The cofferdam method is to put these boxes at the end points on both sides, then drain the water in the middle, and then fill it with sand, gravel and soil, and that's it."

"I understand what you said, so how long will it take?" Ding Meng rubbed his eyebrows and asked.

"This project is not that big, it will probably take about half a day."

"Then how long will it take to build a structure on the dock?"

"It won't take long. The building is just for the water pump and the power distribution room. It's very small. The weather is so hot now, the cement dries quickly, and it can be done in two or three days."

"Two or three days." Ding Meng had a headache.

His original idea was to send people to guard around the construction site and kill the zombies as soon as they approached.

But now the project will last for two or three days, and with such a big noise, the zombies in the lake will definitely come over.

It doesn't matter if a few zombies die in the lake.
If a large number of zombies were killed and soaked in the lake,
Think about it carefully. If the drought continues to a certain extent,
If the well water and groundwater are gone, they may have to drink the water here as a last resort, which is awkward just thinking about it.

Now the drinking water in the oil city and trading market comes from groundwater and rainwater in reservoirs.

There is no particular requirement for the water used in the construction site. All of it is water brought from outside rivers.

However, in the future it may be necessary to build a wall outside the trading market and start large-scale planting, which will require relatively clean water for agricultural use.

Therefore, when building a water plant, we must make preparations in advance and try to complete it in one step.

After thinking for a long time, Ding Meng gave his thoughts:
"How about this, I think we should try to lead the zombies in the lake to other places, and then your construction team can enter the site."

"Of course, when your construction team enters the site for construction, I will also send people to protect the construction team."

"What do you think of this?"

Xie Changshan pondered for a while.
"I don't know anything else except engineering construction. As for how to deal with zombies, I'll listen to you!"

"Okay, let's implement it according to this plan!" Ding Meng made the final decision and finalized the action plan.

(Ask for monthly ticket)