G/TBT/N/CHL/513  
6 January  2020 
(20-0012) Page: 1/2 
Committee on Technical Barriers to Trade  Original:  Spanish  
 
  
NOTIFICATION  
The following notification is being circulated in accordance with Article 10.6.  
 
1. Notifying Member : CHILE 
If applicable, name of local government involved (Articles 3.2 and 7.2):  
2. Agency responsible : Dirección General de Obras Públicas  (Directorate -General of 
Public Works)  
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:  
Subsecretaría de Relaciones Económicas Internacionales  - Ministerio de Relaciones 
Exteriores  (Undersecretariat for International Economic Relations, Ministry of Foreign 
Affairs)  
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) : 
Polyethylene upright storage tanks  
5. Title, number of pages and language(s) of the notified document : NCh 3655:2019 
Estanques de almacenamiento verticales de polietileno  (Chilean Standard No. 3655:2019, 
Polyethylene upright storage tanks) (18 pages, in Spanish)  
6. Description of content : The notified standard sets out requirements concerning the 
materials used in, and the properties, design, construction, dimensions, tolerances, 
performance, quality and marking of, polyethylene upright storage tanks with a capacity 
of 200 litres o r more . It applies to cylindrical, upright , flat-bottom tanks, constructed 
uniformly and in one piece from polyethylene by rotational moulding, for installation on 
flat surface s. The standard applies to the storage of water intended for human 
consumption, in the conditions specified therein . It also applies to the storage of other 
liquids compatible with polyethylene, for industrial use or irrigation, and to the storage of  
foodstuffs and chemical solutions, at atmospheric pressure and at temperatures of up  to 
50°C.  
7. Objective and rationale, including the nature of urgent problems where 
applicable : Quality requirements  
8. Relevant documents:  
- Chilean Standard (NCh) No. 409/1, Agua potable - Parte 1 : Requisitos.  
- ASTM D1693, Test Method for Environmental Stress -Cracking of Ethylene Plastics.  
- ASTM D2837, Test Method for Obtaining Hydrostatic Design Basis for Thermoplastic 
Pipe Materials or Pressure Design Basis for Thermoplastic Pipe Products.  G/TBT/N/CHL/513  
- 2 - 
  9. Proposed date of adoption : - 
Proposed date of entry into force : - 
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:  
Subsecretaría de Relaciones Económicas Internacionales  
Ministerio de Relaciones Exteriores  de Chile  
Teatinos 180, piso 11  
Tel.: (+56) 2 22827 5250  
Email: tbt_chile@subrei.gob.cl  
Note: To view the above -mentioned Chilean Standard, go to 
https://www.inncoleccion.cl/  and enter the following details:  
Company ( Su empresa ): DIRECON -025 
Username ( Su nombre de usuario ): direcon  
Password ( Su Contraseña ): direcon  
Email:  tbt_chile@subrei.gob.cl