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Lesson 27 structural steelwork

Lesson 27 structural steelwork. Flat rate.

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Lesson 27 structural steelwork

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  1. Lesson 27 structural steelwork

  2. Flat rate A flat fee, also referred to as a flat rate or a linear rate, refers to a pricing structure that charges a single fixed fee for a service, regardless of usage. Rarely, it may refer to a rate that does not vary with usage or time of use. Another term used is "flate", a hybrid of "flat" and "rate".

  3. For Internet service providers, flat rate is access to the Internet at all hours and days of the year (linear rate) and for all customers of the telco operator (universal) at a fixed and cheap tariff. Flat rate is common in broadband access to the Internet in the USA and many other countries. A charge tariff is a class of linear rate, different from the flat rate, where the user is charged by the uploads and downloads (data transfers). Some GPRS / data UMTS access to the Internet in some countries of Europe has no flat rate pricing, following the traditional "metered mentality". Because of this, users prefer using fixed lines (with narrow or broadband access) to connect to the Internet. A wavy rate is not a linear rate, because the Internet surfer pays the monthly fixed price to use the connection only during a certain range of hours of the day (i.e. only in the morning or, more typically, only at night).

  4. Catwalk structure • Catwalk: Or gangway. A narrow, elevated walkway, as on either side of a ship, connecting the quarter-deck section to the forecastle.

  5. All work specifically mentioned or implied in the specification is to be carried out in its entirety and no deviation will be allowed unless specifically agreed with the Owner’s Representative. 除非与船东代表达成另外协议，所有在本规范中所明示的或隐含的修理工作都应当不折不扣地完成，不得有任何偏差。

  6. These openings are to be oriented transversely so as not to interfere with any transverse framing members. 这些检修孔纵向开切，不能对横向骨材产生影响。

  7. The openings are to be quarter-round cut-outs with 3-in. radiuses. 这些开孔开切后呈1/4圆，半径3英寸。

  8. Commercial blast to SSPC-SP-6 (SA 2) the entire catwalk structure and apply one (1) coat of Interzinc QHA5055H/QHA5056 inorganic zinc silicate, one (1) coat of Intertuf KHA302/KHA062 epoxy gray and one (1) coat of Interthane PHB000/PHA046 polyurethane white to all prepared surfaces, maintaining appropriate cure intervals between coating applications. 1）SSPC-SP-6：美国钢结构油漆前的表面处理标准（Surface Preparation Standard Commercial Blast Cleaning），SA2为国际标准组织（ISO）标准。 喷砂等级分为： SA1：仅除浮锈与杂物； SA2：2/3表面见不到污垢； SA2.5：表面处理到“近出白”的程度； SA3：除去一切锈迹，漆皮及杂物，表面出白，呈金属光泽。 2）Interlac CLB000 white, Interlac CLB134 signal yellow, Interlac CLB295 signal red皆为醇酸漆；Intertuf KHA304/KHA062 epoxy black为环氧树脂煤焦油漆；Interzinc QHA5055H/ QHA5056 inorganic zinc silicate 为环氧无机富锌底漆。Inter+…这是国际油漆专用的命名，例： Intertuf coal tar epoxy读时将Inter前缀去掉，仅读后面。如（Inter）TUF COAL TAR EPOXY…焦油环氧。 3）commercial blast to SSPC-SP-6 (SA 2)：喷砂处理至商业级SSPC-SP-6 (SA 2)。

  9. The inner and outer perimeters of all letters are to be outlined with smooth, continuous weld bead. 所有字母的内、外边缘用平滑、连续的焊珠描出轮廓。

  10. assignment • Have a good grasp of key terms • Recall the related specialty knowledge

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