Quality control

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Quality control
◆Goals:
1. Master some quality problems on site.
2. Tell who’s responsibility for quality problems on site.
◆Important and difficult points:
1. Learn to express quality problems on site.
2. Learn some skills about negotiation.
3. How to solve quality problems on site.
◆Methods:
Multimedia conversation explanation
◆Teaching Hours:
Two periods
◆teaching procedures
Step 1Review
It is customary for regular meetings to be held between the Owner and Contractor, normally on weekly or monthly ,in the course of the construction of the project, at which various matters are discussed and ,hopefully ,resolved regarding progress, quality, environmental, and so on .
We’ve learnt about progress last class, and some items we must pay more attention to :
①Make a survey about actual progress.
②Compare construction period of network with the actual progress.
③Find out reasons (such as weather ,season ,force majeure risks and
so on ).
④Make a plan to adjust it.
Step 2 Leading- in
Although we paid attention to the construction progress, it is not enough to ensure quality, and quality is one of critical factors to ensure the success of a construction project.
Step 3 Words and phrases study
quality defect 质量缺陷
compliance with the Specifications 按照规范
water/cement ratio 水灰比
misalignment 未对准
breaks and steps 裂缝与凸面
honeycomb 蜂窝
compaction 夯实
vibration 振捣
spacing 间距
remedy 补救
pouring 浇筑
defective concrete 有缺陷的混凝土
quality assurance system 质量保证体系
close supervision 严格监督
the curing of concrete 混凝土的养护
high-quality 高质量的
Step 4 Reading the text quickly for the first time
Task:“Tell me who’s the Owner and the Contractor.”
Key:Mr. Sukh ’s responsible for the Owner and Mr. Bian is the Owner . Step 5 Reading the text carefully for the second time
Task:“Read the text carefully and decide which of the following is TURE?
①.Mr. Bian spent some time observing the placing of concrete?( )
②. The Owner found t hree quality problems .( )
③. Mr. Ma was responsible for telling the measures to remedy.( )
④. Mr. Ma talked about two methods.( )
⑤.There was a problem not made by the Contractor.( )
⑥. There weren’t any problems focused by the Contractor. ( ) Keys ①W ②T ③T ④W ⑤T ⑥W
Step 6 Reading the text carefully for the third time
Task:“Read the text carefully and answer the following questions.”
①.What problems did they talk about ?
②. How to remedy those problems?
③. Which quality problem was not made by the Contractor?
④. How did the Owner solve the last quality problem?
⑤. Did the Contractor accept it?
Key:
①. Water/cement ratio was not accordance with the Specification.
Areas of “Honeycomb ” can be seen in the concrete.
The space between conduits was not right.
②. We ordered the workers to stop pouring immediately.
We repaired those Areas of “Honeycomb ”.
③. The last one.
④. Stop the construction to check the drawings.
⑤. Yes ,they did.
Step 7Drilling。