<Upper-Intermediate> Lesson No.19
Technical Standard Confirmation for Ice-Strengthened Structure Design / 耐氷構造設計の技術基準確認
0.Greetings & Ice-break (2min.)|挨拶と導入
0-1 Greetings
Let’s practice a short small talk that you can use to greet a business partner and start building a good relationship.
講師との挨拶を兼ねて、ビジネスパートナーと信頼関係を築くための短いスモールトークを練習してみましょう。
[Tips / 会話のヒント]
・Can you hear me clearly?
私の声はクリアに聞こえますか?
・How's your day going so far?
今日はどんな一日でしたか?
・Talk about one small topic (Work, Weather, News, Hometown, Sports event, etc.)
軽い話題について話しましょう(仕事、天気、ニュース、地元、スポーツイベントなど)
0-2 Introduction
In today’s lesson, we’ll learn about the following situation. Have you ever experienced something similar?
本日のレッスンでは以下のようなシチュエーションについて学びます。同様のシチュエーションを経験したことがありますか?
- If you have experience, please tell us what it was like, what was difficult, or what you learned.
経験があれば、どんな内容だったか、難しかったことや学んだことなどを教えて下さい。
- If you don’t have experience, try to imagine yourself handling that situation in English.
What do you think would be challenging?
経験がなければ、英語でその状況に対応しているところを想像してみましょう。どんなことが難しそうですか?
Situation / シチュエーション
Confirming standards with overseas polar vessel specialist organizations for application of special technical standards in ice-resistant structural design for polar navigation vessels.
極地航行船の耐氷構造設計において特殊技術基準適用が必要となり、海外極地船舶専門機関と基準確認する場面です。
1. Read (2 min)|型を学ぶ
Let's read the following key sentences aloud!
下記の文章や単語を順番に音読しましょう!
1-1 Basic phrases
1.We applied reinforced frame spacing at...(...に補強フレーム間隔を適用した)
2.This design is intended for...(この設計は...を想定している)
3.We carried out finite element analysis simulating...(...をシミュレートした有限要素解析を実施した)
4.The results demonstrate that...(結果は...を示している)
5.We classify all critical welds as...(すべての重要溶接部を...に分類する)
6.We submitted detailed specifications for...(...のための詳細仕様書を提出した)
7.We purchased Grade E steel certified for...(...認定のグレードE鋼を調達した)
1-2 Essential words
1.utilized(利用した)
2.assess(評価する)
3.consulted with(協議した)
4.validate(検証する)
5.elaborate on(詳しく説明する)
6.mandatory(必須の)
7.submitted(提出した)
8.purchased(調達した)
9.disclose(開示する)
10.proceed(進める)
2. Try (3 min)|ロールプレイ練習
Let’s practice the role-play.
ロールプレイの練習をしましょう!
Situation / シチュエーション(Reference again)
Confirming standards with overseas polar vessel specialist organizations for application of special technical standards in ice-resistant structural design for polar navigation vessels.
極地航行船の耐氷構造設計において特殊技術基準適用が必要となり、海外極地船舶専門機関と基準確認する場面です。
👨💼【Teacher / Polar Ship Standards Engineer】:
Thank you for joining this technical review. We need to assess your ice-strengthened hull design against our polar class requirements. Could you describe your structural approach for the bow area?
(技術審査にご参加いただきありがとうございます。私どもの極地船級要件に対して、貴社の耐氷船体設計を評価する必要があります。船首部の構造アプローチについて説明していただけますか?)
🧑🎓【Student / Design Engineer】:
Certainly. We applied reinforced frame spacing at 500 millimeters in the bow section and utilized high-tensile steel plates with 25 millimeters thickness. This design is intended for continuous operation in 1 meter thick ice at 3 knots speed.
(承知しました。船首部では500ミリメートル間隔で補強フレームを配置し、板厚25ミリメートルの高張力鋼板を利用しました。この設計は、厚さ1メートルの氷中を3ノットで連続航行することを想定しています。)
👨💼【Teacher / Polar Ship Standards Engineer】:
I see your calculation basis. However, our standards impose additional requirements on the shell plating energy absorption capacity. How did you assess the impact resistance for ice collision scenarios?
(計算根拠は理解しました。しかし、私どもの基準では外板のエネルギー吸収能力に追加要件を課しています。氷衝突シナリオにおける耐衝撃性をどのように評価されましたか?)
🧑🎓【Student / Design Engineer】:
We carried out finite element analysis simulating direct ice impact at 5 knots. The results demonstrate that maximum stress remains below 80 percent of yield strength. We also consulted with an independent marine laboratory to validate our methodology.
(5ノットでの直接氷衝突をシミュレートした有限要素解析を実施しました。結果は、最大応力が降伏強度の80パーセント以下に留まることを示しています。また、手法を検証するため独立した海洋研究所と協議しました。)
👨💼【Teacher / Polar Ship Standards Engineer】:
That sounds reasonable, but I'm concerned about the frame connection details. Our regulations mandate specific welding procedures for low-temperature environments. Can you elaborate on your welding specifications?
(それは妥当に思えますが、フレーム接合部の詳細が気になります。私どもの規則では低温環境向けの特定溶接手順を義務付けています。溶接仕様について詳しく説明していただけますか?)
🧑🎓【Student / Design Engineer】:
We classify all critical welds as Category A and apply pre-heating to 100 degrees Celsius before welding. Post-weld heat treatment is mandatory for all frame-to-shell connections. We submitted detailed welding procedure specifications last month for your review.
(すべての重要溶接部をカテゴリーAに分類し、溶接前に100度まで予熱を行います。すべてのフレーム・外板接合部には溶接後熱処理が必須です。詳細な溶接施工要領書を先月、審査用に提出いたしました。)
👨💼【Teacher / Polar Ship Standards Engineer】:
Good. One more aspect we must coordinate is the material certification for sub-zero operation. Which steel grade did you purchase, and do you have the impact test data at minus 40 degrees Celsius?
(よろしいです。もう1つ調整が必要な点は、氷点下運用のための材料認証です。どの鋼材グレードを調達されましたか?マイナス40度でのシャルピー試験データはお持ちですか?)
🧑🎓【Student / Design Engineer】:
We purchased Grade E steel certified for minus 40 degrees service. Impact test results at that temperature exceed 27 joules average energy absorption. All material certificates are available and we can disclose them immediately upon your request.
(マイナス40度使用認定のグレードE鋼を調達しました。その温度でのシャルピー試験結果は平均27ジュールのエネルギー吸収を上回っています。すべての材料証明書は用意済みで、ご要望があれば直ちに開示できます。)
👨💼【Teacher / Polar Ship Standards Engineer】:
Excellent. Please proceed with submitting those certificates and the final structural drawings by next Friday. Once we validate the documentation, we can issue the preliminary approval for your polar class notation.
(素晴らしい。それらの証明書と最終構造図面を来週金曜日までに提出してください。書類を検証次第、貴船の極地船級符号に対する予備承認を発行できます。)
3. Use (4 min)|ロールプレイ & 実践(空欄補完)
Let's perform the role-play and fill in the blanks by translating the Japanese into English!
空欄の日本語を英語に訳しながら、ロールプレイを実践してみましょう!
Situation / シチュエーション(Reference again)
Confirming standards with overseas polar vessel specialist organizations for application of special technical standards in ice-resistant structural design for polar navigation vessels.
極地航行船の耐氷構造設計において特殊技術基準適用が必要となり、海外極地船舶専門機関と基準確認する場面です。
👨💼【Teacher / Polar Ship Standards Engineer】:
Thank you for joining this technical review. We need to assess your ice-strengthened hull design against our polar class requirements. Could you describe your structural approach for the bow area?
🧑🎓【Student / Design Engineer】:
Certainly. We applied reinforced frame spacing at 500 millimeters in the bow section and [利用した] high-tensile steel plates with 25 millimeters thickness. This design is intended for continuous operation in 1 meter thick ice at 3 knots speed.
👨💼【Teacher / Polar Ship Standards Engineer】:
I see your calculation basis. However, our standards impose additional requirements on the shell plating energy absorption capacity. How did you assess the impact resistance for ice collision scenarios?
🧑🎓【Student / Design Engineer】:
We carried out finite element analysis simulating direct ice impact at 5 knots. The results demonstrate that maximum stress remains below 80 percent of yield strength. We also [協議した] an independent marine laboratory to [検証する] our methodology.
👨💼【Teacher / Polar Ship Standards Engineer】:
That sounds reasonable, but I'm concerned about the frame connection details. Our regulations mandate specific welding procedures for low-temperature environments. Can you elaborate on your welding specifications?
🧑🎓【Student / Design Engineer】:
We classify all critical welds as Category A and apply pre-heating to 100 degrees Celsius before welding. Post-weld heat treatment is [必須の] for all frame-to-shell connections. We [提出した] detailed welding procedure specifications last month for your review.
👨💼【Teacher / Polar Ship Standards Engineer】:
Good. One more aspect we must coordinate is the material certification for sub-zero operation. Which steel grade did you purchase, and do you have the impact test data at minus 40 degrees Celsius?
🧑🎓【Student / Design Engineer】:
We [調達した] Grade E steel certified for minus 40 degrees service. Impact test results at that temperature exceed 27 joules average energy absorption. All material certificates are available and we can [開示する] them immediately upon your request.
👨💼【Teacher / Polar Ship Standards Engineer】:
Excellent. Please proceed with submitting those certificates and the final structural drawings by next Friday. Once we validate the documentation, we can issue the preliminary approval for your polar class notation.
4. Challenge (7 min)|応用実践
Let's perform the role-play and fill in the blanks by translating the Japanese into English!
空欄の日本語を英語に訳しながら、ロールプレイを実践してみましょう!
*Let's practice this part repeatedly until we can speak it smoothly.
このパートはスムーズにスピーキングできるようになるまで繰り返し練習しましょう。
Situation / シチュエーション(Reference again)
Confirming standards with overseas polar vessel specialist organizations for application of special technical standards in ice-resistant structural design for polar navigation vessels.
極地航行船の耐氷構造設計において特殊技術基準適用が必要となり、海外極地船舶専門機関と基準確認する場面です。
👨💼【Teacher / Polar Ship Standards Engineer】:
Thank you for joining this technical review. We need to assess your ice-strengthened hull design against our polar class requirements. Could you describe your structural approach for the bow area?
🧑🎓【Student / Design Engineer】:
Certainly. [船首部では500ミリメートル間隔で補強フレーム間隔を適用し、板厚25ミリメートルの高張力鋼板を利用しました。] [この設計は、厚さ1メートルの氷中を3ノットで連続航行することを想定しています。]
👨💼【Teacher / Polar Ship Standards Engineer】:
I see your calculation basis. However, our standards impose additional requirements on the shell plating energy absorption capacity. How did you assess the impact resistance for ice collision scenarios?
🧑🎓【Student / Design Engineer】:
[5ノットでの直接氷衝突をシミュレートした有限要素解析を実施しました。] [結果は、最大応力が降伏強度の80パーセント以下に留まることを示しています。] We also consulted with an independent marine laboratory to validate our methodology.
👨💼【Teacher / Polar Ship Standards Engineer】:
That sounds reasonable, but I'm concerned about the frame connection details. Our regulations mandate specific welding procedures for low-temperature environments. Can you elaborate on your welding specifications?
🧑🎓【Student / Design Engineer】:
We classify all critical welds as Category A and apply pre-heating to 100 degrees Celsius before welding. Post-weld heat treatment is mandatory for all frame-to-shell connections. We submitted detailed welding procedure specifications last month for your review.
👨💼【Teacher / Polar Ship Standards Engineer】:
Good. One more aspect we must coordinate is the material certification for sub-zero operation. Which steel grade did you purchase, and do you have the impact test data at minus 40 degrees Celsius?
🧑🎓【Student / Design Engineer】:
We purchased Grade E steel certified for minus 40 degrees service. Impact test results at that temperature exceed 27 joules average energy absorption. All material certificates are available and we can disclose them immediately upon your request.
👨💼【Teacher / Polar Ship Standards Engineer】:
Excellent. Please proceed with submitting those certificates and the final structural drawings by next Friday. Once we validate the documentation, we can issue the preliminary approval for your polar class notation.
\ If you have some extra capacity, give it a try(余力があればやってみましょう)/
5. Real-world application (5 min)|実務応用
Let's speak freely with the phrases and flow we learned today. If you can, imagine your real job—it makes practice more effective.
本日学習した単語やフレーズ、会話の流れを思い出しながら、自由に話してみましょう。可能であれば、自身の実務を想像しながら話すと効果的です。
Situation / シチュエーション
A polar ship standards engineer requests detailed technical confirmation of your ice-strengthened hull design against specific polar class requirements.
Your role is to explain the structural specifications, material selections, and validation methods to demonstrate compliance.
極地船舶基準の技術者が、特定の極地船級要件に対する耐氷船体設計の詳細な技術確認を求めています。
あなたの役割は、適合性を示すために構造仕様、材料選定、検証方法を説明することです。
👨💼【Teacher / Polar Ship Standards Engineer】:
Could you walk me through your design approach for the ice-strengthened structure and explain how you validated compliance with our polar standards?
(耐氷構造の設計アプローチを順を追って説明し、私どもの極地基準への適合性をどのように検証されたか教えていただけますか?)
🧑🎓【Student / Your Role】:
(Free Speaking based on today's lesson)
Hints / ヒント
1. Describe the structural reinforcement method
2. Explain the simulation analysis conducted
3. Present the material certification details
4. Confirm the documentation submission plan
※This is not a role-play. Please speak until you finish your thoughts.
このパートはロールプレイ形式ではありません。最後まで通して話してみましょう。
6. Wrap-up (2 min) |レッスンの振り返り
Let's review today's lesson with your teacher!
今日のレッスンについて講師と振り返ってみましょう!
6-1 Comments from student
・Good points / 良かったところ・上手くできたところ
・Things to work on / 今後強化したいところ
6-2 Feedback from teacher
・Good points / 良かった点
・Things to work on / 今後の強化ポイント
・What to review / 復習ポイント
*6-3 Questions from student (if any)
Japanese translation(日本語訳)
1. Read (2min)(型を学ぶ)|基本フレーズ
2. Try (4min)(ロールプレイ練習)|型を使った練習
Let’s practice the role-play.
ロールプレイの練習をしましょう!
3. Use (7min)|応用
Let’s perform the role-play and filling in the missing English!
英語を補完しながら、ロールプレイを実践してみましょう!
4. Challenge (7min)|実践
Let’s perform the role-play and filling in the missing English!
英語を補完しながら、ロールプレイを実践してみましょう!
5. Wrap-up (3min) – レッスンの振り返り
"Let’s review today’s lesson with your teacher!”
「今日のレッスンについて講師と振り返ってみましょう!」
5-1. Comments from Student
- Good points / 良かったところ・上手くできたところ
- Things to work on / 今後強化したいところ
5-2. Feedback from Teacher
- Good points / 良かった点
- Things to work on / 今後の強化ポイント
- What to review / 復習ポイント
5-3. Question from Students (If any)
