THE
MINISTRY OF CONSTRUCTION
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SOCIALIST
REPUBLIC OF VIET NAM
Independence - Freedom - Happiness
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No.
01/2010/TT-BXD
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Hanoi,
January 08,2010
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CIRCULAR
ON
QUALITY MANAGEMENT OF COMMERCIAL PORTLAND CEMENT CLINKER
Pursuant to the National
Assembly's November 21, 2007 Law No. 05/2007/QHI2 on Product and
Goods Quality;
Pursuant to the Government's Decree No. 132/2008/ND-CP of December 31, 2008,
detailing a number of articles of the Law on Product and Goods Quality;
Pursuant to the Government's Decree No. 17/ 2008/ND-CP of February 4, 2008,
defining the functions, tasks and powers of the Ministry of Construction;
Based on practical requirements for quality management of commercial Portland
cement clinker.
The Ministry of Construction provides as follows:
Article 1. Scope of
regulation
This Circular provides a list of
quality norms and grounds for quality examination and management of commercial
Portland cement clinker.
Article 2. Subjects of
application
Producers, traders and users of
commercial Portland cement clinker in Vietnam.
Article 3. Provisions on
product group
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Article 4. List of
quality norms and grounds for quality examination of commercial Portland cement
clinker
The list of quality norms and
grounds for quality examination of commercial Portland cement clinker (below
referred to as the list) is provided below:
LIST
OF QUALITY NORMS AND GROUNDS FOR QUALITY EXAMINATION OF COMMERCIAL PORTLAND
CEMENT CLINKER
No.
Quality
norms
Grounds
for quality examination
Testing
methods
1
Active volume
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TCVN 7024 : 2002
2
Grinding coefficient
TCVN 7024 : 2002
TCVN 7024 : 2002
3
Granular size
TCVN 7024 : 2002
TCVN 7024 : 2002
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Chemical composition (contents
of CaO. SiO2:. Al203, Fe2O3,
MgO.CaOfree )
TCVN 7024 : 2002
TCVN 141 : 2008
5
Equivalent content of alkali
TCVN 7024 : 2002
TCVN 7024 : 2002
6
Contents of indissoluble
residues
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TCVN 7024:2002
7
Lost contents during baking
TCVN 7024 : 2002
TCVN 7024 : 2002
8
Humidity
TCVN 7024 : 2002
TCVN 7024 : 2002
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I. Quality management of
domestic commercial Portland cement clinker:
J Producers of commercial
Portland cement clinker shall announce their product and goods quality’s
conformity with the provisions of Article 4 (below referred to as regulation
conformity announcement).
b/ Commercial Portland cement
clinker quality's conformity with the provisions of Article I must be certified
(below referred to as regulation conformity certification) by conformity
assessment organizations designated by the Ministry of Construction.
c/ When being circulated on the
market and used, commercial Portland cement clinker must have documents of
regulation conformity announcement and regulation conformity certification
under Points a and b of this Clause.
d/ Regulation conformity
announcement of domestic commercial Portland cement clinker shall be based on
producers' own assessment results, or test or inspection results of an
accredited conformity assessment organization undercurrent regulations, of
sample commercial Portland cement clinker representing a goods lot's conformity
with the provisions of Article 4.
e/ Requirements for regulation
conformity certification for domestic commercial Portland cement clinker
include:
Regulation conformity
announcement.
Certification that producers'
quality control systems conform with Standard ISO 9001:2008 or valid Standard
ISO 9001:2000.
- A Construction Ministry-designated
conformity assessment organization's lest or inspection results of conformity
with the provisions of Article 4 of sample commercial Portland cement clinker
representing the goods lot.
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a/ Importers of commercial
Portland cement clinker shall announce their imports' conformity with
regulations on imported products and goods and have commercial Portland cement
clinker quality's regulation conformity certified by a conformity assessment
organization designated by the Ministry of Construction.
b/ When being circulated on the
market and used, imported commercial Portland cement clinker must have
documents on regulation conformity announcement and regulation conformity
certification under Points a and b of this Clause.
c/ Regulation conformity
announcement shall be based on either of the following grounds:
Importers' own assessment
results of commercial Portland cement clinker quality's conformity with the
provisions of Article 4.
A Construction
Ministry-designated conformity assessment organization's test or inspection
results of conformity with the provisions of Article 4 of sample commercial
Portland cement clinker representing a goods lot at the border gate of
importation.
d/ Requirements for regulation
conformity certification for imported commercial Portland cement clinker
include:
- Regulation conformity
announcement.
Certification that producers'
quality control system conform with Standard ISO 9001:2008 or valid Standard
ISO 9001:2000.
Certificates of conformity with
valid Standard ISO 14001 of commercial Portland cement clinker producers'
environmental control systems.
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e/ Temporary customs clearance
is permitted provided that test or inspection results of 3 days ± 45
minutes-old samples' active volume are available and other norms conform with
the provisions of Article 4. Importers may use or circulate clinker on the
market only when test or inspection results of conformity with the relevant provision
of Article 4 of 28 days ± 45 minutes-old samples' active volume are available.
3. Provisions on lot sizes and
sampling for examination:
The weight of each lot must not
exceed 3.000 tons under Clause 6.1, Article 6 of Vietnam standard TCVN 7024:2002.
Samples shall be taken under
Clause 5.1 (Points 5.1.1 and 5.1.2), Article 5 of Vietnam standard TCVN
7024:2002 as follows: Samples shall be taken at at least 10 different positions
of a clinker lot. each position with around 20 kg, which shall be mixed
together and divided by four to get around 80 kg for testing. Samples for
testing shall be equally divided by two, one part for storage and the other for
testing.
4. A list of conformity
assessment organizations designated by the Ministry of Construction to test,
examine, inspect and certify conformity is provided in the Appendix to this
Circular and shall be updated and supplemented on the website of the Ministry
of Construction.
Article 6. Organization of implementation
The Science, Technology and
Environment Department of the Ministry of Construction shall act as the key
agency in assisting the Minister of Construction in managing the operation of
organizations assessing quality conformity of commercial Portland cement
clinker under regulations.
The Building Materials
Department of the Ministry of Construction shall act as the key agency in
assisting the Minister of Construction in coordinating provincial-level
Construction Departments and concerned functional agencies in managing the
quality of commercial Portland cement clinker in production, business,
importation and use under regulations.
Importers and users of
commercial Portland cement clinker shall comply with this Circular.
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5. Any problems arising from the
implementation of this Circular should be promptly reported to the Ministry of
Construction for study and additional guidance.
FOR THE MINISTER
OF CONSTRUCTION
DEPUTY MINISTER
Nguyen Tran Nam
APPENDIX
LIST
OF ORGANIZATIONS ASSESSING QUALITY CONFORMITY OF COMMERCIAL PORTLAND CEMENT
CLINKER DESIGNATED BY THE MINISTRY OF CONSTRUCTION
(To Circular No. 01/2010/1T-BXD of January 8, 2010, on quality management of
commercial Portland cement clinker)
No.
Assessment
organization
Address
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Building Materials Institute -
Ministry of Construction
- No. 235, Nguyen Trai Road,
Thanh Xuan District, Hanoi
- Branch: No. 129 A, Tran Nao
Road. District 2, Ho Chi Minh City
2
Standards, Metrology and
Quality Center 3 - Directorate for Standards, Metrology and Quality -
Ministry of Science and Technology
- No. 49, Pasteur Road,
District 1, Ho Chi Minh City