. /.   WORLD TRADE  
ORGANIZATION  G/TBT/N/PHL/75 
11 December 2006 
 (06-5918) 
Committee on Technical Barriers to Trade Original:   English 
  
 
NOTIFICATION 
 
The following notification is being circ ulated in accordance with Article 10.6. 
 
1. Member to Agreement notifying:   PHILIPPINES
 
If applicable, name of local government involved (Articles 3.2 and 7.2):         
2. Agency responsible:   Bureau of Product Standards, Department of Trade & Industry 
Name and address (including telephone and fax numbers, e-mail and web-site 
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):   Plastics piping systems 
for non-pressure underground drainage and sewer age – Unplasticized poly(vinyl chloride) 
(PVC-U) (ICS:  23.040.20). 
5. Title, number of pages and language(s) of the notified document:   Draft Philippine 
National Standard (DPNS) 1952:2006 – Pl astics piping systems for non-pressure 
underground drainage and sewerage – Unplas ticized poly(vinyl chloride) (PVC-U). 
6. Description of content:   This notification specifies the requirements for unplasticized 
poly(vinyl chloride) (PVC-U) pipes and piping systems intended for solid wall single layer for use for non-pressure underground drainage and sewerage for the conveyance of soil and 
waste discharge of domestic and industr ial origin, as well as surface water. 
It covers buried pipework but does not apply to piping systems buried within the building 
structure. 
7. Objective and rationale, including the na ture of urgent problems where applicable:  
This notification is for consumers protection. 
8. Relevant documents:   In the preparation of this standard, ISO 4435:2003 and ISO 
4435:1992 – Plastics piping systems for non-pressu re underground drainage and sewerage – 
Unplasticized poly(vinyl chloride) (PVC-U) were considered. 
The following referenced documents are indispen sable for the application of this document.  
For dated references, only the edition cited a pplies.  For undated references, the latest 
edition of the referenced document (including any amendments) applies. 
PNS ISO 1167 – Thermoplalstics pipes for the co nveyance of fluids – Resistance to internal 
pressure – Test method. 
PNS ISO 2507-1 – Thermoplastics pipes and fittings – Vicat softening temperature (VST) 
Part 1:  General test method. G/TBT/N/PHL/75 
Page 2  
 
  PNS ISO 2507-2 – Thermoplastics pipes and fittings – Vicat softening temperature (VST) 
Part 2:  Test conditions for unplasticized poly(vinyl) chloride) (PVC-U) or chlorinated 
poly(vinyl chloride) (PVC-C) pipes and fittings and for high impact resistance poly (vinyl 
chloride) (PVC-HI) pipes. 
PNS ISO 2505-1 – Thermoplastics pipes – Longitudi nal reversion – Part 1:  Determination 
method. 
PNS ISO 2505-2 – Thermoplastics pipes – Longitudi nal reversion – Part 2:  Determination 
parameters. 
PNS ISO 3126 – Plastics pipes – Measurement of dimensions. 
PNS ISO 3127 – Thermoplastics pipes – Determination of resistance to external blows – 
Round-the clock method. 
PNS ISO 4633 – Rubber seals – Joint rings for water supply, drainage and sewerage 
pipelines – Specification for materials. 
PNS ISO 9852 – Unplasticized poly(vinyl chloride)(PVC-U) pipes – Dichloromethane 
resistance at specified temperature (DCMT) – Test method. 
BS EN 1401-1 – Plastics piping system fo r non-pressure underground drainage and 
sewerage – Unplasticized poly(vinyl chloride)(PVC-U) – Part 1: Specification for pipes, 
fittings and the system. 
BS EN 1277 – Plastics piping systems – Thermoplastics piping systems for buried non- 
pressure applications – Test method for leaktightness of elastomeric sealing ring type joints. 
BS EN 1905 – Plastics piping and ducting syst ems – Unplasticized poly(vinyl chloride) 
(PVC-U) pipes, fittings and material – Method for assessment of PVC content based on 
total chlorine content. 
9. Proposed date of adoption:   
Proposed date of entry into force:   }Year 2007 
10. Final date for comments:   7 February 2007 
11. Texts available from:  National enquiry point [  X ] or address, telephone and fax 
numbers, e-mail and web-site addresses, if available of the other body:   
WTO/TBT Enquiry Point and Services 
Bureau of Product Standards Department of Trade and Industry 361 Sen. Gil J. Puyat Avenue Makati City, Metro Manila 
Tel.:  (+632) 751-4749; 751-3125    
E-mail:  bps@dti.gov.ph