シャドーイング練習: Fire Pump Monthly Churn Test - 動画で英語スピーキングを学ぶ
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128 文
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So when you come in for your monthly pump runs, you're going to come in this is a normal situation.
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The first thing you're going to want to do, call on your security company and put the system in test.
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If you don't put it in test, you can set fire alarms off and other stuff where you get the fire department here.
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So first thing you do is put it in test.
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I don't know if your procedure is to bypass the horn strobes
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when you do it or however your normal procedure is with that.
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After the system is in test, the first thing you want to do is come in here and actually do a visual inspection on the system.
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Make sure everything is in the open position.
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Just because it's alarmed doesn't mean that something is not right.
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First thing I always do is you come in, take a look at your main water supply unit of the building.
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Both valves are open.
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You can tell this.
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These are OSM -Y, open stem and yoke.
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With this stem sticking out means that the valve is in the open position.
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As we turn this to close it, this stem actually goes inside the valve.
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So it's ever flush with the valve, it's off.
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If it's out, it's in the open position.
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So our main water coming in, both valves are in the open position.
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We follow this up and through, go through our pump suction valve.
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Valve is open, open position.
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We're going to come through, we're going to take a look at both our gauges.
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Both of those should be reading roughly the same sitting pressure
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right around 50 to 60 psi is where you guys are at.
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They're different looking gauges just because of the pressure.
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One we're going to negative suction if we had to, one of them goes to high pressure.
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Both of those are looking the same.
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We come through here.
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This valve right here which we'll talk about in a couple of minutes.
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This is a casing relief valve.
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What this does is actually
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when the pump is running it's going to discharge water into the drain to keep the pump cool.
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If it doesn't work, you can boil the water out of the pump
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and then you overheat the pump and there's issues with that.
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That's one thing we'll check when the pump is running to make sure it's discharging.
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When it's not running, we want to make sure it's not discharging.
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Come through here, test headers, close position, check our pump discharge for the open position.
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We also check the valves on all our systems
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that are indicating veins in line when the pipe is open across this shut
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and make sure those are in the open position.
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Look up top, make sure our jockey pump piping is leak -tight
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and make sure that our valves are both in the open position along with our bypass, both are in the open position.
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Once we have everything ready to go, we're ready to do our pump test.
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First thing that we're going to want to do is we're going to check the jockey pump.
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Each one of these have a pressure switch inside of them.
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We're going to make sure that it comes on and off when it should, when it goes.
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It came on, shut off.
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We're up to pressure.
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That's why it's so quick.
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If you were down to say 65 PSI right now, that pump would keep running until we got up to 170 PSI.
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The next one we're going to check is going to be the main fire pump.
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You don't want to open these really, really fast because it actually drains the system.
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It drains out fairly fast.
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So there's a design so we don't have to drain the entire system out to kick it on.
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We're just draining that sensing line really fast where it kicks on so we don't hammer the system.
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So now the next one we're going to do is test that one.
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It's going to be hard to see with this gauge.
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Pressure in here is going to start to drop.
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If you do it slow enough, you can see it drop.
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It does drop fast so once it gets below that 150 your fire pump will kick off.
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The pump came on, everything was good.
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The next thing you're going to look at is what the pump starts.
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You need to lower your feet.
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See this one's standing at sitting pressure around 55.
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This one now jumped up to 180.
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Since we're going through the pump, we're actually pumping the water pressure from this section here up to the system.
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The other thing we're going to look for, case relief out quite a few pints here.
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I want to make sure this one has water discharging out of it.
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That's your case relief.
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If it doesn't have water coming out of it, it should have popped down.
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It's small.
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That means it's not running right.
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There's something going on in case really.
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The other valve is going to be our drain line for the actual microphone pair.
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It's a water pool.
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It's hard to see inside here.
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You can actually feel the water.
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Right here it's actually spraying water out.
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What it does, that water comes through it.
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It drains out.
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Sometimes it springs out like it does.
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It's normal for this type of pump.
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Again, if you're out, if you need to keep an eye on those gauges, You can see where you're at,
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let the system run for 10 minutes.
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Once you take your 10 minute mark, what you're going to do is you're going to pull over.
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Hit your stop button.
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Generally listen to that pump should stop running.
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Once it's stopped, take a look at your gauge.
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Make sure you're still above where you need to be.
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Let it go and you're back to normal.
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You guys have probably your churn test.
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Drain test.
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You only have to do a drain test quarterly if you guys do your quarterly inspections.
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That's only one drain every quarter because you have a backflow.
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So what you do on that one with the pump running, you're going to have everything going.
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You're going to open up a main drain, which is going to dump water outside.
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You open that all the way, you take your pressure.
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You have static pressure.
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That's where the system's at normally without nothing flowing.
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Residual pressure is going to be what it would be with that main drain wide open.
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You'll look at our car right here.
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You see that static and residual.
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I already did it this morning, and that's what that is.
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And then you do your alarm tests on the four systems.
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Is that drain test done while you're doing that turn test?
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You can.
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It only needs to be done quarterly.
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While you're doing that, you can just open that drain up.
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You can do your 10 minute turn test for your quarterly.
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When you do your quarterly, you can get it running and make sure everything looks good.
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You can go and do your water flow alarms, which would be at each inspector's test for the pore systems.
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You can come back and do your main drain test, which will probably all take you more than 10 minutes.
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Once that's done, that's part of your 10 minute run rather than sit here for 10 minutes
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and then go do other stuff.
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You can do it all at once if you want to do that because each one of those, when you do a quarterly,
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that counts as your weekly and your monthly test all at once because you're doing more.
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Just like my annual I'm doing today, we'll basically take care of a weekly, a monthly, and a quarterly all today.
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So you wouldn't have to do anything for that.
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It's just more stuff that we have to do.
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Any other questions on anything at all?
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Now when you do a drain test, do we do all four of them?
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You only have to do one a quarter.
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The only reason why we're doing one a quarter is...
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So we should pick a different main for each quarter.
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I do all four of them today on the annual because I have to do that for the annual.
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When we do these, what we're basically doing is we're flowing enough water through the backflow to clean any kind of deposits
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or debris that's on the backflow.
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You just try and get it off the full seat and flush water through it to help clean it.
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That's the code for the backflow that you have to do.
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このレッスンの語彙とスピーキングのポイント
このスピーキングレッスンは、動画「Fire Pump Monthly Churn Test」を教材にしています。 繰り返し出てくる語は次のとおりです：pump, test, drain, valve, pressure。 この動画には、シャドーイング用の文が128文、単語が1454語あります。 音声の長さは7:12です。 話す速さは速く、1分あたり約202語です。音のつながりや弱く発音される音が多くなります。 単語の89%は英語の頻出3,000語に含まれるため、語彙は分かりやすいです。
この動画の重要語彙
動画に出てくる覚えておきたい単語15語を、発音と意味つきで紹介します。
| 単語 | 発音 | 意味 |
|---|---|---|
| pump 名詞 | /pʌmp/ | ポンプ, 喞筒 |
| valve 名詞 | /ˈvælv/ | バルブ |
| discharge 動詞 | /dɪsˈtʃɑɹdʒ/ | 全うする |
| alarm 名詞 | /əˈlɑɹm/ | 警報 |
| procedure 名詞 | /pɹəˈsiː.d͡ʒə/ | 手段, やり方 |
| pipe 名詞 | /ˈpaɪp/ | 笛 |
| inspection 名詞 | /ɪnˈspɛkʃən/ | 検査 |
| static 形容詞 | /ˈstæt.ɪk/ | 静的 |
| bypass 名詞 | /ˈbaɪpæs/ | 迂回路, バイパス |
| jockey 名詞 | /ˈd͡ʒɑki/ | 騎手 |
| indicate 動詞 | /ˈɪndɪˌkeɪt/ | 示す, 指す |
| deposit 名詞 | /dɪˈpɑ.zɪt/ | 堆積物 |
| spray 名詞 | /spɹeɪ/ | スプレー |
| hammer 名詞 | /ˈhæmɚ/ | 金槌, 槌 |
| horn 名詞 | /hɔɹn/ | 角 |
動画に出てくる句動詞
| 単語 | 発音 | 意味 |
|---|---|---|
| come back 動詞 | 戻る, 帰る | |
| look up 動詞 | /ˌlʊk ˈʌp/ | 見上げる |
| pull over 動詞 | 道の脇に寄る, 道の脇に寄せる | |
| stick out 動詞 | 突き出る |
繰り返し練習したい文
動画に出てくる短く完結した文です。日常会話でそのまま使えます。
- Once it's stopped, take a look at your gauge.
- Let it go and you're back to normal.
- You'll look at our car right here.
- Is that drain test done while you're doing that turn test?
- It's just more stuff that we have to do.
この動画の文法
話し手がよく使っている文型を、動画の実際の表現とともに紹介します。
| 文型 | 動画での表現 |
|---|---|
| 受動態 be + 過去分詞 — 誰がするかより、何が起きるかに焦点を当てる | is put · be done |
| 関係詞節 who / which + 節 — 人や物について情報を加える | drain, which is · test, which will |
注意したい発音
話し手はwe're, you're, don'tなど、短縮形や弱形を46回使っています。聞こえたとおりの短い形で発音しましょう。
- 「sh」と「zh」の音: inspection /ɪnˈspɛkʃən/, flush /ˈflʌʃ/, suction /ˈsʌkʃən/
日本語話者が苦手な音：
- /r/ と /l/ の区別 — /l/ は舌先を歯茎につけ、/r/ はどこにもつけない: alarm /əˈlɑɹm/, residual /ɹɪˈzɪd͡ʒ.u.əl/, roughly /ˈɹʌf.li/
- /v/ — /b/ にならないように、上の歯を下唇に当てる: valve /ˈvælv/, vein /veɪn/, overheat /ˌoʊvɚˈhit/
- /f/ — 「フ」ではなく、上の歯と下唇で出す: flush /ˈflʌʃ/, roughly /ˈɹʌf.li/, microphone /ˈmaɪ.kɹəˌfəʊn/
この動画での練習方法
- まず声を出さずに動画を最後まで聞き、知らない単語をメモします。
- まず0.75倍速で一文ずつシャドーイングし、慣れてきたら通常の速度に戻します。
- 自分の声を録音して元の音声と比べます。pump, valve, dischargeなどの単語に特に注意しましょう。
シャドーイングとは？英語上達に効果的な理由
シャドーイング（Shadowing）は、もともとプロの通訳者養成プログラムで開発された言語学習法で、多言語習得者として知られるDr. Alexander Arguelles によって広く普及されました。方法はシンプルですが非常に効果的：ネイティブスピーカーの英語を聞きながら、1〜2秒の遅延で声に出してすぐに繰り返す——まるで「影（shadow）」のように話者を追いかけます。文法ドリルや受動的なリスニングと異なり、シャドーイングは脳と口の筋肉が同時にリアルタイムで英語を処理・再現することを強制します。研究により、発音精度、抑揚、リズム、連音、リスニング力、そして会話の流暢さが大幅に向上することが確認されています。IELTSスピーキング対策や自然な英語コミュニケーションを目指す方に特におすすめです。