COLOMBIA: RESOLUTION NO. CNNC 001-97 MAKING MANDATORY CERTAIN COLOMBIAN TECHNICAL STANDARDS The following notification is being circulated in accordance with Article 10.6. G/TBT/Notif.97.110. 1. Member to Agreement notifying: COLOMBIA. If applicable, name of local government involved (Articles 3.2 and 7.2). 2. Agency responsible: National Council for Standards and Quality. Agency or authority designated to handle comments regarding the notification can be indicated if different from above. 3. Notified under Article 2.10.1 and 5.7.1. 4. Products covered (HS or CCCN where applicable, otherwise national tariff heading. ICS numbers may be provided in addition, where applicable): Plastics Sector: Polyvinyl chloride (PVC) pipes graded according to pressure (RDE series); rigid polyvinyl chloride (PVC) pipes and elbows, for housing and protecting insulated electrical wires; hot and cold water distribution system using chlorinated polyvinyl chloride (CPVC) plastic piping; rigid polyvinyl chloride (PVC) pipes, for sanitary use; rigid polyvinyl chloride (PVC) pipes, for ventilation and rainwater; rigid polyvinyl chloride (PVC) fittings, for the transport of fluids under pressure; rigid polyvinyl chloride (PVC) pipes, for housing and protecting underground electrical wires and telephone cables; thermoplastic pipes and fittings used for conveying gases under pressure; mechanical joints for plastic drainage pipes and sewer systems with elastomer seals; rigid polyvinyl chloride (PVC) pipes used for irrigation systems and rigid corrugated polyvinyl chloride (PVC) pipes, with a smooth interior, for the housing and protection of electrical wires and telephone cables. 5. Title, number of pages and language(s) of the notified document: Resolution No. CNNC 001-97 Making Mandatory Certain Colombian Technical Standards (6 pages). 6. Description of content: To make Colombian Technical Standards (NTC) mandatory in respect of the following: NTC 382, dimensions and tolerances, sustained pressure, burst pressure, resistance to flattening, extrusion quality, impact strength, non-toxicity and labelling; NTC 979, general conditions, paragraphs 3.3 and 3.4, dimensions and tolerances, resistance to flattening, extrusion quality, water absorption, flammability, impact strength, tensile strength, deflection under load and heat and labelling; NTC 1062, description of basic materials, dimensions and tolerances, sustained hydrostatic pressure, thermocycles, non-toxicity, working pressure, maximum working temperature, hydrostatic resistance to bursting, resistance to sustained hydrostatic pressure, and labelling of the product; NTC 1087, materials, internal and external surfaces, dimensions and tolerances, burst pressure, resistance to transversal flattening, extrusion quality, water absorption, impact strength, chemical resistance and labelling; NTC 1260, materials, internal and external surfaces, dimensions and tolerances, resistance to flattening, extrusion quality, impact strength and labelling; NTC 1339, materials, internal and external surfaces, dimensions and tolerances, burst pressure, moulding quality, threads, mechanical joints and labelling; NTC 1630, materials, internal and external surface, dimensions and tolerances, extrusion quality, impact strength, pipe rigidity, leaktightness of joints, flammability and labelling; NTC 1746, dimensions and tolerances of pipes, resistance to chemicals, sustained pressure, operability at high temperatures, minimum hydrostatic burst pressure, apparent tensile strength at yield point, joints, plastic valves, minimum hydrostatic burst pressure/apparent tensile strength (rapid rupture), sustained pressure at 23 degrees, fluidity index, pipe constriction, thermal stability, weather resistance, dimensions and tolerances, short-term pressurization for 12" size, validation of the CBDH for polyethylene pipes, resistance to flattening, impact strength, confirmation of conformity in test impacts, extrusion quality, labelling, minimum resistance to hydrostatic bursting/apparent tensile strength, sustained pressure of 23 degrees, flow rate, pipe constriction, elongation at bursting point, minimum resistanceto hydrostatic bursting/apparent tensile strength (rapid rupture), sustained pressure and weather resistance; NTC 2534, dimensions and tolerances, leakproofness and labelling; NTC 3317, dimensions and tolerances, sustained pressure, burst pressure, resistance to transversal flattening, extrusion quality, impact strength, dimensional stability, leakproofness and labelling; NTC 3363, materials, internal and external surface, dimensions and tolerances, extrusion quality, impact strength, pipe rigidity, leaktightness of joints, adhesive qualities, resistance to transversal flattening, flammability and labelling. 7. Objective and rationale: Protection of life and health and consumer protection. 8. Relevant documents: Colombian Technical Standards: NTC 382 (7th Revision), NTC 979 (4th Revision), NTC 1062 (2nd Revision), NTC 1087 (2nd Revision), NTC 1260 (3rd Revision), NTC 1339 (6th Revision), NTC 1630 (3rd Revision), NTC 1746 (3rd Revision), NTC 2534 (1st Revision), NTC 3317 (1st Revision), NTC 3363. 9. Proposed date of adoption: 12 March 1997. Proposed date of entry into force: 12 March 1997. 10. Final date for comments: N/A 11. Texts available in: Spanish. Texts available from: (National Enquiry Point), Ministry of Economic Development, Standards and Quality Division, Telephone: 3380641, FAX: 2874368, Carrera 13 No. 28 -- 01 piso 6o, Santafe

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