  
  
G/TBT/N/CHL/372/Add.1  
22 November  2021 
(21-8774) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  
NOTIFICATION  
Addendum  
The following communication, dated 2 2 November 2 021, is being circulated at the request of the 
delegation of Chile. 
 
_______________  
 
 
Title: NCh 1779 Sistemas de canalización en materiales plásticos para evacuación de aguas 
residuales (a baja y a alta temperatura) en el interior de la estructura de los edificios, en poli (cloruro 
de vinilo) no plastificado (PVC -U) - Especificaciones para tubos, accesorios y el sistema  (Chilean 
Standard (NCh) No. 1779: Plastic piping systems for waste discharge (low and high temperature) 
within the building structure, of unplasticized poly(vinyl chloride) (PVC U) - Specifications for pipes, 
fittings and the system)  
 
Reason for Addendum:  
[ ] Comment period changed - date:  
[ ] Notified measure adopted - date:  
[X] Notified measure published - date: 16 November 2 021 
[X] Notified measure enters into force - date: 16 May 2 022 
[X] Text of final measure available from1: 
https://www.diariooficial.interior.gob.cl/publicaciones/2021/11/16/43104/01/2041238
.pdf 
https:// ecommerce.inn.cl/nch1779201755660  
https://members.wto.org/crnattachments/2021/TBT/CHL/final_measure/21_7233_00
_s.pdf  
[ ] Notified measure withdrawn or revok ed - date:  
Relevant symbol if measure re -notified:  
[ ] Content or scope of notified measure changed and text available from:1 
New deadline for comments (if applicable):  
[ ] Interpretive guidance issued and text available from:1 
[ ] Other:  
 
1 This information can be provided by including a website address, a PDF attachment, or other 
information on where the text of the final measure/change to the measure/interpretative guidance can be 
obtained.  G/TBT/N/CHL/372/Add.1  
- 2 - 
   
Description : The following Chilean standard with its respective identification code and title is hereby 
declared as an official standard of the Republic of Chile : NCh 1779:2017 Sistemas de tuberías 
plásticas en poli (cloruro de vinilo) no plastificado (PVC -U) para alcantarillado domiciliario -
Especificaciones para tuberías,  accesorios  y sistema (Chilean Standard (NCh) No. 1779:2017 -
Unplasticized poly(vinyl chloride) (PVC -U) pipe systems for household sewage networks -
Specifications for pipes, fittings and systems).  
__________  