1.

Notifying Member: Pakistan

If applicable, name of local government involved (Article 3.2 and 7.2):

2.

Agency responsible:

Pakistan Standards & Quality Control Authority
WTO TBT National Enquiry Point
PSQCA Complex, Gulistan-e-Johar
Karachi, Pakistan
Tel.: (+92) 21 99261878
E-mail: tbt@psqca.com.pk
Website: http://www.psqca.com.pk/

Name and address (including telephone and fax numbers, email and website addresses, if available) of agency or authority designated to handle comments regarding the notification shall be indicated if different from above:

3.

Notified under Article 2.9.2 [X], 2.10.1 [  ], 5.6.2 [  ], 5.7.1 [  ], other:

4.

Products covered (HS or CCCN where applicable, otherwise national tariff heading. ICS numbers may be provided in addition, where applicable): Chemical Admixtures for Concrete PS 4883 ICS No. 91.100.30; Concrete and concrete products (ICS 91.100.30)

5.

Title, number of pages and language(s) of the notified document: Chemical Admixtures for Concrete PS 4883 ICS No. 91.100.30 (13 page(s), in English)

6.

Description of content: This Standard was adopted by Pakistan Standard & Quality Control Authority after recommendations of the Technical Committee for "PLAIN, REINFORCED & PRESTRESSED CONCRETE" (BDC–09) dated 20-07-2017. The same had been approved and endorsed by the Civil Engineering National Standards Committee (CENSC) on 21-12-2017.

This Standard has been prepared after taking into consideration the views and suggestions of the manufacturers, technologists, suppliers and utilizing agencies.

This Pakistan Standard No.4883-2008 was prepared with the help of foreign specification which has been since revised / modified. Hence to keep up a par with the latest technology, it has been revised accordingly. In preparation of this Standard the Technical Committee acknowledges with thanks the assistance drawn from the standard ASTM: C-494-2016.

7.

Objective and rationale, including the nature of urgent problems where applicable: This specification covers materials for use as chemical admixtures to be added to hydraulic-cement concrete mixtures in the field for the purpose or purposes indicated for the eight types as follows: 1.1.1 Type A—Water-reducing admixtures, 1.1.2 Type B—Retarding admixtures, 1.1.3 Type C—Accelerating admixtures, 1.1.4 Type D—Water-reducing and retarding admixtures, 1.1.5 Type E—Water-reducing and accelerating admixtures 1.1.6 Type F—Water-reducing, high range admixtures, 1.1.7 Type G—Water-reducing, high range, and retarding admixtures, and 1.1.8 Type S—Specific performance admixtures.; Protection of human health or safety

8.

Relevant documents:

https://drive.google.com/file/d/1AylmLZnWAG20Yor0dM1ws72uFKTQp1yF/view?usp=sharing

9.

Proposed date of adoption: 90 days after circulation by the WTO Secretariat

Proposed date of entry into force: 90 days after circulation by the WTO Secretariat

10.

Final date for comments: 60 days from notification

11.

Texts available from: National enquiry point [X] or address, telephone and fax numbers and email and website addresses, if available, of other body:

Pakistan Standards & Quality Control Authority
WTO TBT National Enquiry Point
PSQCA Complex, Gulistan-e-Johar
Karachi, Pakistan
Tel.: (+92) 21 99261878
E-mail: tbt@psqca.com.pk
Website: http://www.psqca.com.pk/
https://drive.google.com/file/d/1A3Xrx3gwLmqdSecIZS-1EPlFxmR74wCv/view?usp=sharing

https://drive.google.com/file/d/1mM4kzRb1c0_7zrvheuFZxRUkc4SDMxMm/view?usp=sharing