About ten minutes later, Chen Xu put down the chalk and wooden ruler after painting, then picked up a bamboo stick and pointed to the whole picture and said, "What you see is the tap water system of the Qinghe Villa right now......

"Master Hou, what is tap water? We've only heard of river water, well water, hot water, cold water, and foot washing water, but we've never heard of tap water......," said a young craftsman, standing up and exclaiming.

Chen Xu is easy-going, and he is also an approachable image in the Academy of Sciences, everyone respects him, but they are never afraid of him, so when the young craftsman talks about washing his feet, the whole conference room burst into laughter.

"Not only the footwashing water, I'm afraid you've also drunk the mother-in-law's bath water!" A craftsman next to the young man said with a laugh.

The conference room instantly became more lively, all kinds of saliva, tears and urine came out, Chen Xu slammed the lectern with a chalk wipe with a black face, and everyone slowly quieted down from the excitement.

"It seems that you all know a lot about water, that's good, after I finish talking about this tap water system, I will hand it over to you to help me design, manufacture and install, I can't finish it in a month, hehe......" Chen Xu grinned a few times, and everyone in the room felt that the temperature seemed to drop by several degrees suddenly.

Hou Ye had never heard this kind of sneer, and there was a creepy sense of fear, so everyone sat quietly and began to listen to Chen Xu's lecture.

"This area is the backyard of the Qinghe Annex, here is the inlet canal, next to the canal is going to dig a swimming pool, the officials and craftsmen of the Ministry of Works are already starting to prepare, my water system is separate, build a four-foot high water tower next to the pool in the front yard, and then use buckets or water wheels to lift the water in the ditch into the water tower...... Here is the water outlet, and then through a main water pipe to connect the inner courtyard and the outer courtyard, the main water pipe is set up to install a thin pipe, the front yard leads to the bathhouse, stables, canteens, toilets and other places that need water to install faucets and sink pools and other facilities, the backyard water pipes are connected to the bathroom, toilet, kitchen and other rooms, connecting the toilet, washbasin and bathtub...... All the wastewater is eventually collected and discharged through a sewer pipe to a septic tank three miles east of the courtyard, where nearby farmers will pull the manure to water the ground......"

Chen Xu pointed to the graphics drawn on the blackboard with a bamboo stick, and explained the water supply and drainage system in detail.

For the water supply and drainage system, many craftsmen who are familiar with the construction are well aware, because Xianyang is such a large city, countless palaces have drainage systems, and there are also a large number of drainage pipes and canals buried under the entire Xianyang City to cope with the rainstorm season.

As for the water supply system, most of them don't know about it, only the craftsmen and craftsmen who built the irrigation canals for farmland know a little, but for such a complex tap water system designed by Chen Xu, everyone was confused after hearing it, and the whole conference room was silent.

When Chen Xu was lecturing, many people from other unrelated departments of the Academy of Sciences came to listen, and Zhang Cang sat in the last row with a teacup and listened with relish, obviously very interested in Chen Xu's novel design.

"Master Hou, according to the principle of water pressure you talked about before, if you can really load water on such a high water tower, tap water will definitely be successful, but it is too difficult to make such a tall and large bucket, and the Qinghe courtyard is not inhabited by three or five people, but three or five hundred people, as well as cattle, horses and livestock, and the water consumed in a day is probably not less than thousands of catties, and everything cannot be achieved if this water tower cannot be repaired!" Seeing that everyone didn't speak, Zhang Cang stood up and was the first to ask his own questions.

"Dean Zhang said that I have found a solution to the problem of the water tower, only a few masons can be solved, as for the pipeline because of the complex branches, so it needs to be well designed, but there are no rules and no rules, the pipeline science must design a set of strict specifications and solutions, I will hand over this tap water system to all of you here to design and complete, everyone from today, must go to the Qinghe Courtyard on-site surveying and mapping record data, and then comprehensively design a perfect plan to achieve the effect I need, If this tap water system is successful, we have accumulated enough experience to design and complete a set of tap water system for the entire Xianyang City, so that everyone in the city will not have to go to the well to fetch water to the river every day, but can turn on the tap at home and come out with clean tap water......"

"Wow~~" Before Chen Xu finished speaking, the entire conference room instantly boiled, and many people stood up directly and their faces turned red with excitement.

"Master Hou, let's go to Qinghe Manor to survey the data!" Some anxious craftsmen couldn't wait to go out.

"Stop!" Chen Xu's face trembled a few times.

"This water system has a complex structure and complex pipes, so you can't just mess around with it, I need a commander-in-chief, two stewards are responsible for the front yard and the back yard, and five supervisors are responsible for the construction and installation of water towers, water pipes and other projects, so as to set up a water project management headquarters, and all craftsmen must obey the unified command and arrangement of the headquarters......"

"Master Hou, leave this commander-in-chief to me!" Zhang Cang stood up with a smile, his nine chapters of arithmetic have been written recently, and he has nothing to do, not to mention that Chen Xu's tap water system has a very strong stimulation for him, and he feels inexplicably excited.

"Master Hou, Master Hou, the housekeeper in the backyard will be handed over to me!" After the dam was shut down recently, Hu Kuan, who had been doing a little idle, stood up and recommended himself.

Then a few craftsmen volunteered to stand up and ask to be stewards and supervisors, Chen Xu did not refuse, and announced the dissolution of the meeting after appointing several people, leaving Zhang Cang, Hu Kuan and others behind.

"I left a few of you here, because I want to tell you again about the places that need special attention, the most important thing is naturally the water tower, the factory outside the city has successfully developed the cement, add water and river sand pebbles mixed into concrete, after drying more solid than bluestone, so the construction of this water tower up to four zhang should not be a big problem, because of the load-bearing problem, the foundation needs to be dug at least one zhang, the width should reach five zhang, and then with steel and concrete poured into a circular platform, In this way, the water tower will not collapse due to the unstable foundation due to the heavy weight of the water tower, and the water tower is also made of steel and concrete, and the thickness and length of the steel bar are designed for the factory to build ......"

Chen Xu repeatedly told the place to pay attention to in the construction of the water tower several times, Zhang Cang, Hu Kuan and others also nodded solemnly, although they didn't quite understand why Chen Xu cared so much about the water tower, but Chen Xu has always been untargeted, and if a stone tower four zhang high falls down, I am afraid the consequences will be very terrible, because there are indeed too many people in the Hou Mansion.

After talking about the most important water tower, Chen Xu talked about the layout of the water pipes next to each other, although the good ideas are also beautiful, but in fact, it is not ordinarily difficult to complete them all, because everyone has no experience, including Chen Xu, for the installation and calculation of water pipes, Chen Xu is not as good as many craftsmen in the Academy of Sciences, he is only more knowledge of later generations.

"By the way, all pipes leading to the bathroom must have a hot water pipe!" Chen Xu finally gave a special advice.

"Master Hou, can this water tower still produce hot water?" A group of people looked at Chen Xu in surprise, and Hu Kuan asked the doubts in everyone's hearts.

"The water tower can't produce hot water, but I'm going to install a boiler after autumn!" Chen Xu said with a smile.

"What is a boiler?" A group of people were even more confused, because this was another new term that they had never heard before.

"The pot is a big iron pot, the furnace is naturally a stove, combined with a boiler, the top is a vertical closed iron tank, and the bottom is heated with coal and stone, so that it becomes a hot water tower, and the hot water is sent into the bathroom through the pipe, and it is convenient to take a hot bath in winter, because there is a water tower, and the cold water can be easily poured into the boiler through the water pipe, so you must wait until the water tower is completed before you can start to build ......"

So Zhang Cang, Hu Kuan and others were conquered by Chen Xu's whimsy again, and then excitedly began to make up a scene in their brains, soaking in the bathtub in winter, turning on the faucet, and steaming hot water flowed out of the water pipe......

Seeing that Vice Dean Zhang Cang was busy packing up his belongings, riding in a carriage and braving the scorching sun and taking dozens of people to the Qinghe Courtyard, Chen Xu stood at the door of the Academy of Sciences and let out a long breath.

The explanations have been explained, the instructions have been advised, the factories under the Reinforced Concrete Academy of Sciences have, all kinds of specifications are designed according to the needs, what No. 8 and No. 12 steel bars Chen Xu does not understand, but the quality is not enough can be temporarily filled with quantity, the density of the steel bar is not too big a problem, not to mention that it is not much of a water tower, filled with water can be used for a day, almost a few tons of water, do not need to be too careful.

Therefore, after this matter was arranged, Chen Xu also felt that he could relax for a while, basking in the sun and running back and forth was not his job as a marquis with fine skin and tender meat, so he went home and slept beautifully.

Early the next morning, Chen Xu went to the early dynasty, and took the new coins designed by Ma Pole and others to the emperor and the Manchu Dynasty for appreciation, and finally got the same and unified appreciation, especially Qin Shi Huang, who expressed serious satisfaction with the title of the first emperor printed on the coin, and praised Chen Xu viciously, and then rewarded a lot of things, and also rewarded Ma Pole and other craftsmen who studied coinage.

In the next few days, Xianyang was calm.

The weather is hot, Chen Xu rarely goes out, but every day I still go to the Academy of Sciences to go around, ask about the design and construction of the tap water in the Qinghe Courtyard, and guide and modify the engineering drawings drawn by Zhang Canghukuan and others according to the measurement data, and after the drawings are scrutinized and the design is completed, the cement and casting steel bars of the factory are also prepared a lot, Chen Xu also went to the Qinghe Courtyard site to observe and guide again, the water tower officially began to be built, and the water pipes began to be buried in the re-planned trench, at the same time, The swimming pool has also been excavated, and under the excavation of hundreds of prisoners, it has already taken a rough prototype in a few days, and the river sand and pebbles are also being transported in large quantities to the Qinghe Courtyard.

"Master Hou, this cement is really a good thing, if this thing can be fired in large quantities, it will be more than 100 times easier to build houses, bridges and roads in the future!"

Looking at the craftsmen who were pouring concrete to build the water tower under the scorching sun, Hu Kuan stammered a little excitedly.

"That's true, but now the production capacity is seriously insufficient, especially grinding raw meal clinker is serious physical work, so after the autumn must be built as soon as possible, so that the water wheel can run normally, when the time comes to design a large water mill driven by a water wheel, so as to greatly improve the production capacity of cement, as long as there is enough cement, we can build the Weihe Bridge into a cement bridge, and then build a few flat cement roads from Xianyang to Luoyang, Daliang, Wancheng, Handan, Linzi, Taiyuan and other prosperous cities, You can even build a reinforced concrete bridge across the big rivers and rivers to connect all the counties of Daqin, and then there will be accessible roads everywhere, and all roads will lead directly to Xianyang, and it will be extremely convenient to travel, and it is not a dream to travel a thousand times a day and eight hundred at night, and my Daqin will be ten times more prosperous than it is now......"

"Hou ...... Master Hou, we ...... Can we really do it? Fang Kuan's brain made up for that scene, and he excitedly hit a few swings.

"As long as we work hard enough, maybe one day we can all fly into the sky and soar freely, and take an ironclad ship to chop waves and sail thousands of miles in the sea!" Chen Xu said lightly.

"Fly into the sky, iron ...... Ironclad ships? Hu Kuan, who was immersed in the grand blueprint of all roads leading to Xianyang, calmed down instantly, and he felt that he was completely a hillbilly and a stingy ghost compared to Hou Ye, and his ideas were too stingy.

"Huh, what? Feels incredible, doesn't it? Chen Xu looked at Hu Kuan, and said with a very relaxed and flat expression on his face, "How bold people are, how productive the land is, if people don't even have a great ideal, what's the difference between them and salted fish!" ”

"But...... But...... Master Hou, how can a person fly without wings, is it ...... Does Master Hou have the immortal art of flying? Hu Kuan's eyes suddenly lit up.

"Nope!" Chen Xu shook his head, then looked at Zhongnan Mountain in the distance and said leisurely, "Actually, it's not difficult to fly, the difficult thing is to fly wherever you want!" ”

"Master Hou, you didn't lie to me, can you really fly?" Hu Kuan looked at Chen Xu with some horror, feeling that he couldn't hold his pee.

"Is it hard to fly? Make a hot air balloon and fly! Chen Xu rolled his eyes, "Don't think nonsense, help me get the tap water as soon as possible, and get the waterwheel right after autumn, and next year, we will be able to show our skills to build roads and bridges......

Chen Xu seemed to be talking to himself, Hu Kuan naturally didn't understand, because Chen Xu had already turned around and left.

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