G/TBT/N/TTO/129  
10 June 2021  
(21-4767) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  English  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6  
 
1. Notifying Member:  TRINIDAD AND TOBAGO   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Trinidad and Tobago Bureau of Standards  
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 di fferent from above:   
1-2 Century Drive, Trincity Industrial Estate  
Macoya, Tunapuna  
Tel: 868 -662-6222 (ext 2051)  
Email: ttbs@ttbs.org.tt  
Website: www.gottbs.com  
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):  
Non-refractory mortars and conc retes (HS 382450); Concrete and concrete products 
(ICS 91.100.30)  
5. Title, number of pages and language(s) of the notified document:  Ready -mixed 
concrete - Compulsory requirements (10 page(s), in English)  
6. Description of content:  This document applies  to the production and supply of ready -
mixed concrete for buildings and civil engineering structures cast in situ. The standard 
applies to ready -mixed concrete delivered to the purchaser in an unhardened, plastic 
state.  
This standard also outlines the mech anism to demonstrate compliance to these 
requirements and includes measures to be taken in the event of non -compliance.   
7. Objective and rationale, including the nature of urgent problems where 
applicable:  Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Protection of human health or safety  
8. Relevant documents:   
• ASTM C33/33M , Standard Specification for Concrete Aggregates  
• ASTM C125, Terminology Relating to Concr ete and Concrete Aggregates  
• ASTM C94/C94M, Standard Specification for Ready -Mixed Concrete  
• ASTM C150/150M , Standard Specification for Portland Cement  G/TBT/N/TTO/129  
 
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  • ASTM C494/494M , Standard Test Method for Porosity in Vitreous Whitewares by 
Dye Penetration  
• ASTM C595/595M , Standard Specification for Blended Hydraulic Cements  
• ASTM C618 , Standard Specification for Coal Fly Ash and Raw or Calcined Natural 
Pozzolan for Use in Concrete  
• ASTM C989/989M , Standard Specification for Slag Cement for Use in Concrete 
and Morta rs 
• ASTM C1157/1157M , Standard Performance Specification for Hydraulic Cement  
• ASTM C1240/1240M , Standard Specification for Silica Fume Used in Cementitious 
Mixtures  
• ASTM  C1602/1602M , Standard Specification for Mixing Water Used in the 
Production of Hydrauli c Cement Concrete  
9. Proposed date of adoption:  June 2022  
Proposed date of entry into force:  To be determined  
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:   
1-2 Century Drive, Trincity Industrial Estate  
Macoya, Tunapuna  
Tel: 868 -662-6222 (ext 2051)  
Email: ttbs@ttbs.org.tt  
Website: www.gottbs.com  
https://tinyurl.com/4z32xafs