On the eastern outskirts of Xiyang City, Hao Wubo led his subordinates to inspect the ditches in the rain, and the heavy rain for several days caused the water level of the lake outside the city to skyrocket, and the rainwater falling from the surrounding farmland caused a huge drainage pressure.

There are two big lakes outside the city, there is one in the north of the city and there is another one called Sand Lake in the suburbs of the east of the city for more than 20 miles, the people of Xiyang are very familiar with these two lakes, every rainy season the lake overflows and floods the surrounding farmland, in order to control the lake troubles, there are ditches to communicate the lake, these ditches collect the lake water and finally introduce the Santai River to the east and discharge it into the Ba Shui.

However, these ditches built many years ago are seriously blocked, and the war has damaged them for a long time and has lost the ability to regulate the water of the lake.

"In the middle of the governance, the water of the Santai River downstream of the ditch has skyrocketed, and it seems that it is about to be backfilled." A clerk hurriedly ran to report, Hao Wubo heard the words and looked east, not far away is the weir gate of the drainage canal into the Santai River.

"Let's take a look!" After Hao Wubo finished speaking, he walked forward quickly, although he was wearing straw sandals, the ground was slippery, so he couldn't run quickly, and the group came to the river embankment to check the water situation, and found that the situation at the place where the drainage canal entered the river had indeed changed.

The water level of the lake, which was originally flowing eastward, began to rise significantly.

"Send a signal, let the Jiangbei ditch open the gate first!"

A young man blew the horn when he heard this, and then a low and powerful horn sounded on the south side one after another, and the horns were transmitted like a relay to the river, and a moment later another horn came from the south side of the river to the north.

"Close the gates!"

With Hao Wubo's order, the young man who guards the weir gate pulls the winch and begins to close the gate, the sluice is divided into three and each has five gates, the gate is made of wood and iron bars, and three weir gates are specially set up for the sake of insurance.

The weir gate closed and the water level in the ditch began to surge upward, and then fell back after rising for a distance, Hao Wubo was finally relieved to see this situation, he walked up to the embankment and looked at the north bank of the ocean dumbfounded, and the water of the three rivers outside the embankment had not passed the outlet of the drainage canal.

This year, when the drainage canal was built, the outlet was higher than the surface of the Santai River, and after entering the rainy season, it also experienced several consecutive rains, and the water level of the Santai River was still not the same as the outlet even if the water rose at that time.

"This rain is really heavy enough, but fortunately the drainage canal and the three river embankments have been completed, otherwise the consequences will be unimaginable." Some officials lamented that the rainy season in the south of the Yangtze River is a matter of course for everyone to rain for days, but the heavy rain that has fallen for several days has been much rarer recently.

"Judging from this amount of rainfall, will the Yangtze River be flooded?" Uncle Hao asked, although he was a boss, he had little experience in water control, and these officials were natives of Bazhou, and they must have been experienced in living by the river all year round.

"It's hard to say, if it's just heavy rain in this area, I'm afraid that it will be bad if the upstream is also heavy rain, and if the water level of the river soars, it's all over."

There are two outlets of the drainage canal, one is discharged into the Santai River in the east and the other is directly to the river in the south, and the rising lake water is discharged to the Santai River first, and if the situation just now occurs, the water will be diverted to the Yangtze River.

Hao Wubo was worried that the Yangtze River would also be flooded, and the topography of Xiyang City was about high in the west and low in the east, so the discharge of lake water to the east of the Santai River was the first choice.

The ditch on the south side of the river is only roughly completed, because the two sides of the ditch have not been tamped, so it is easy to collapse if it is soaked, but now the situation is critical, and it is not so much, as long as the drainage can be ensured, then it can be repaired after the autumn harvest.

Everyone looked at the north bank of the Santai River with mixed feelings, in order to protect the south bank can only sacrifice the north bank of the flood discharge, thanks to the state government this year to concentrate manpower and material resources to repair the water conservancy, if according to the previous situation, I am afraid that this year's crops will be a large area of failure.

The population of Bazhou, which has only more than 10,000 households, is only 60,000 or 70,000, and according to the usual situation, it is necessary to repair water conservancy and donate alms to control the floods, but it is not enough to organize the people to serve in forced labor for only a few months.

In addition, the food supply is strong and the willingness to invest money is barely completed, otherwise how can it be completed in time for the rainy season.

"You have worked hard to guard the weir gate, and you will have your own reward if you survive the rainy season." Hao Wubo looked at a wooden house on the embankment and said that this was the place where the guards spent the night, and it was subject to violent storms like houses in other parts of the embankment.

"If we can keep this year's harvest, it will be worth the hardships we have to endure." Everyone grinned, the newly appointed Yuwen envoy organized the people to control the water, and everyone agreed with his good intentions, as long as the flood can be controlled, then the benefits are all the people of Bazhou.

"Let's go, let's go to the next weir gate." Hao Wubo arched his hand, he said goodbye to the officials on duty and continued to inspect the ditches in the rain, and stabbed Shi Yuwen to go outside to 'run the project' and was not in the city, many heavy tasks were assigned to the shoulders of the adjutant, and everyone was busy.

"I don't know if Heizong's embankment can be kept," he looked at the stretching embankment on the south bank with a solemn expression, "damn the heavy rain, when will it be the end......

In Xiyang City, the Lord Bo Zhengtong led people to walk on the streets in the rain, which is the biggest test of the drainage system of Xiyang City after entering the rainy season.

It is rainy in the south of the Yangtze River, so Zheng Tong, a native of Liang State, is accustomed to it, he has been a grassroots official in Liang State for many years, he knows that the most important thing is not the city, the capital of Liang Guoguo Jiangling is near the Yangtze River, every time the Yangtze River is flooded, he has to guard the river embankment, thinking that he is now just in the city to check the drainage, that is the beauty difference.

In fact, at the beginning, he recommended himself and hoped that Yuwenwen would let him be in charge of the embankment, but the other party said that he would "give young people a chance to hone their training", but Zheng Tong still taught him his experience in guarding the embankment for many years.

Jiangling not only repairs the embankment but also repairs the embankment, every rainy season all kinds of dangers come one after another, as the so-called long-term illness becomes a good doctor, he is not familiar with the embankment, this time do not drive Xu Shao to organize the embankment to guard the embankment and adopted many of his opinions.

'I should be able to hold on, if I try my best. Zheng Tong thought so, although the embankment on the south bank of the Santai River was completed before the rainy season, but the problem is not nothing, the manpower is abundant but the stone is still not enough, the legendary 'cement' output is small, and the rammed earth embankment built in a hurry is not impregnable.

Long-term immersion of the river water will be washed under the dam hidden danger will occur, the previous rain is nothing, this rainstorm is fatal, the more surging river water will definitely make the river embankment somewhere pipe gush.

If it's blocked, it's okay, if it's blocked, it's over, it's a simple and cruel thing, Zheng Tong shook his head and put his worries aside, his duty is to be in the city, not outside the city, so he has to do his own things well.

Heavy rain and precipitation have exceeded the drainage ceiling of the drainage ditch, and according to the reports from various duty points, the situation is deteriorating, waterlogging has begun in many parts of the city, and the water on the streets is gradually deepening.

The existing drainage ditch has been unable to discharge a large amount of rainwater out of the city, if no measures are taken to continue like this, the situation will become more and more serious, Xiyang City is soaked is still a trivial matter, and when the water recedes, there is a high probability of an outbreak.

Without further ado, it's time to take a final measure!

Zheng Tong and his entourage braved the rain to come to the south gate, to be precise, a windowless room next to the south gate, where the gate was closed and several 'iron generals' guarded the door, and the soldiers guarding the door saw them approaching the house and hurriedly stepped forward to drink.

"Don't rely on it without the king's order"

Before the soldier's words were finished, the token in Zheng Tong's hand made him speechless, and then the team leader took out the rubbing book and carefully compared it, reconfirming that this was the token that stabbed Shi Yuwenwen, but the soldiers still did not let go.

Zheng Tong took out a wooden box from his arms and handed it over, and the team general took the wooden box and opened it to see that it was a piece of paper with the words 'agree to open the gate' written on it, and it was also stamped with a private seal and a great seal of the history of the assassination.

Assassin Shi Yuwen Wen is not in the city with his troops, and the Great Seal of Assassin Shi is naturally staying in the state office, and Assassin Shi is not there, so according to the convention, Changshi Ren Chong will take care of state affairs, and the private seal on the paper is Ren Chong's, so the cumbersome procedures are to ensure that the next behavior is 'approved'.

The goalkeeper will take out a bunch of keys to open the big lock on the door in turn, Zheng Tong walked in and commanded his entourage to pull a huge winch in the room, and the sound of squeaking sounded, as if there was some mechanism running under the floor.

"Open the floodgates and release the water!" The soldiers at the head of the city shouted loudly, and no one was near the city wall at this time on the riverbank on the outskirts of the city, and a moment later a column of water gushed out from the ground in the corner of the wall, carrying the muddy mud and rushing towards the riverbank.

This is the last resort of the drainage system of Xiyang City: the underground drainage outlet in the south of the city. This exit is a hidden danger found in the rectification of the city defense, which should be the siege tunnel left by the attack and defense of Xiyang City many years ago.

This tunnel is a hidden danger of the Xiyang city defense of the wine store, but Yuwen Wen decided to transform it into a drainage outlet after weighing the pros and cons, as a last resort to send out stagnant water under the heavy rain, at the cost of the scrapping of this section of the city wall and the need to be demolished and rebuilt.

At the beginning of the year, when the drainage ditch in the city was expanded, the ditch was connected to this drainage outlet, and it could not be opened until it was absolutely necessary, of course, this channel was used by enemy troops who might attack Xiyang, or the river water could be poured into the city when the Yangtze River flooded.

In order to prevent the above two situations from happening, Yuwen Wen specially designed a complex mechanism gate, and now the valve is opened to perform the duty of drainage, and after a moment of loud water sounding, someone came to report that the water in the city has been significantly reduced.

"It worked, it worked!" Everyone was overjoyed when they heard this, Zheng Tong nodded and walked out of the hut, looking at the towering city wall behind him and feeling a little pity: so much water rushed under the base of the wall and didn't know how much dirt it would take away.

Although the interior has been reinforced, it is actually a symptom rather than a cure, and now that the flood has washed away the foundation of the wall, it seems that the city wall will not be rebuilt.

"What are you doing in a daze, continue to patrol the city!" Zheng Tong walked towards the city without looking back, the torrential rain still continued, so it was not to the point of peace of mind, looking up at the black and oppressive sky, he looked worried: "I don't know when this rain will stop" (to be continued. )