G/TBT/N/RWA/635  
10 March 2022  
(22-2176) 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:  RWANDA   
If applicable, name of local government involved (Article 3.2 and 7.2):   
2. Agency responsible:   
Rwanda Standards Board (RSB)  
KK 15 Rd, 49  
P.O.BOX 7099, Kigali, Rwanda  
Tel: +250 788303492  
Email: info@rsb.gov.rw   
Website: www.rsb.gov.rw  
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):  Concrete 
and concrete products (ICS 91.100.30)  
5. Title, number of pages and language(s) of the notified document:  DRS 503: 2022, 
Precast concrete products — Performance requirements (53 page(s), in English)  
6. Description of content:  This Draft Rwanda Standard provides the common 
requirements, sampling and test methods for unreinforced, reinforced and prestressed 
precast concrete products made of compact light, normal and heavyweight concrete 
according to RS ISO 22965 with no appreciable amount of entrapped air other than 
entrained air. It may also be used to specify products for which there is no s tandard. Not 
all of the requirements (Clause 5) of this standard are relevant to all precast concrete 
products. If a specific product standard exists, it takes precedence over this standard. 
The precast concrete products dealt with in this standard are fac tory produced for building 
and civil engineering works. This document can also be applied to products manufactured 
in temporary plants on site if the production is protected against adverse weather 
conditions and controlled. It does not cover prefabricated  reinforced components of 
lightweight aggregate concrete with open structure. The analysis and design of precast 
concrete products is not within the scope of this document.  
7. Objective and rationale, including the nature of urgent problems where 
applicab le: Consumer information, labelling; Prevention of deceptive practices and 
consumer protection; Protection of human health or safety; Protection of the 
environment; Quality requirements; Reducing trade barriers and facilitating trade; Cost 
saving and produ ctivity enhancement  G/TBT/N/RWA/635  
 
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  8. Relevant documents:   
1. RS ISO 22965 -1, Concrete — Part 1: Methods of specifying and guidance for the 
specifier  
2. RS ISO 22965 -2, Concrete — Part 2: Specification of constituent materials, 
production of concrete and compliance of concrete  
3. RS ASTM C494/C494M, Standard Specification for Chemical Admixtures for 
Concrete  
4. ISO 12439, Mixing water for concrete RS 142, Design of concrete structures — 
General rules and rules for buildings — Code of practice  
5. RS ISO 6934 -1, Steel for the prest ressing of concrete — Part 1: General 
requirements  
6. RS ISO 6934 -2, Steel for the prestressing of concrete — Part 2: Cold -drawn 
wire 
7. RS ISO 6934 -4, Steel for the prestressing of concrete — Part 4: Strand  
8. RS ISO 6934 -5, Steel for the prestressing of concrete — Part 5: Hot -rolled steel 
bars with or without subsequent processing  
9. RS ISO 1920 -1, Testing concrete — Part 1: Sampling of fresh concrete  
10. RS ISO 1920 -2, Testing concrete — Part 2: Properties of fresh concrete  
11. RS ISO 1920 -3, Testing concrete — Part 3: Making and curing test specimens  
12. RS ISO 1920 -4, Testing concrete — Part 4: Strength of hardened concrete  
13. RS ISO 1920 -5, Testing concrete — Part 5: Properties of hardened concrete 
other than strength  
14. RS ISO 1920 -6, Testing concrete — Part 6: Sampling, prepa ring and testing of 
concrete cores  
15. RS ISO 1920 -7, Testing concrete — Part 7: Non -destructive tests on hardened 
concrete  
16. ASTM C173/C173M, Standard Test Method for Air Content of Freshly Mixed 
Concrete by the Volumetric Method  
17. RS ISO 6935 -1, Steel for reinfo rcement of concrete — Part 1: Plain bars RS ISO 
6935-2, Steel for reinforcement of concrete — Part 2: Ribbed bars  
18. RS ISO 6935 -3, Steel for reinforcement of concrete — Part 3: Welded fabric  
9. Proposed date of adoption:  To be determined  
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:   
KK 15 Rd, 49  
Toll Free: 3250  
Tel: +250 788303492  
Email: info@rsb.gov.rw  
Website: www.rsb.gov.rw  
P.O.BOX 7099, Kigali, Rwanda  
https://members.wto.org/crnattachments/2022/TBT/RWA/22_2072_00_e.pdf