Document Details |
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| Name of Department/Committee : | CED 46 | ||||
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| Document Number : | CED 46 ( 26999) | ||||
| Document Title [English] : | National Building Code of India Part 8 Building Services Section 3 Air Conditioning Heating and Mechanical Ventilation | ||||
| Document Title [Hindi] : | भारत की राष्ट्रीय भवन निर्माण संहिता 2016 भाग 8 भवन निर्माण सेवाएँ अनुभाग 3 वायु वातानुकूलन , तापन तथा यांत्रिक संवातन | ||||
| Document Type : | Revision | ||||
| Language : | English | ||||
| Priority : | 3 | ||||
| ICS Code : | 01.120: 91.040.01 | ||||
| Date of Project Approval : | 05-11-2024 | ||||
| Standards to be Revised : |
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| Standards to be Superseded : |
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Classification Details |
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| Group : | Civil Engineering Design and Construction |
| Sub Group : | Construction practices, measurement and management |
| Sub Sub Group : | NBC of India |
| Aspects : | Others |
| Risk : | High |
| Certification : | Not Certifiable |
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| Ministry : |
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| Sustainable development Goals : |
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| Degree of Equivalence : | Indigenous |
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| Sl.No. | Synosis Points | |
| 1 | The significant changes incorporated in this revision include the following: a) Additional details on systems like variable refrigerant flow (VRF) and inverter-based cooling for better efficiency, in 4.1.4. b) Added new eco-friendly refrigerants with no harm to the ozone layer and very low impact on global warming, in 5.3. c) Addition of modern low-energy heating and cooling solutions, including evaporative cooling, radiant cooling, and solar-assisted systems. Additionally, it provides improved guidelines for system selection, installation, and applications across residential, commercial, and industrial sectors, in 6. | |
| 2 | d) Inclusion of new methods for cooling and heating using the earth’s natural temperature are included, in 6.4. e) Addition of efficient heating solutions like solar-powered systems and ground heat pumps for cold regions, in 6.5. f) Addition of guidelines for selecting air-conditioning and ventilation systems across various building typologies, including residential, commercial, and transport hubs, in 12. g) New guidelines for cold storage facilities to improve food preservation and reduce waste, in 13.2. h) Inclusion of enhanced guidelines for using automation systems to monitor and control building performance, in 15.2. | |
| 3 | j) Introduction of uniform standards for hydronic and refrigerant piping in HVAC systems to enhance performance covering material selection, sizing, installation, testing, and maintenance for efficient fluid transport, in 16. k) Inclusion of new procedures for testing and setting up HVAC systems to ensure they work efficiently, in 17. m) Introduction of comprehensive smoke mitigation guidelines for substructures, superstructures, and exit pathways, in 19. n) Terminology clause has been updated with new terms and definitions. | |
Timeline Details |
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Stages |
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| Sl. No. |
Stage | Date of Occurence | Remarks | Circulated to | Files |
| 1 | Generation of Document Number | 05-11-2024 | ------- | ||
| 2 | P-Draft | 29-11-2024 | Covering letter generated | ------- | |
| 3 | P-Draft | 29-11-2024 | Duration : 21 Days | CED 46, CED 46, CED 46 : P1, CED 46 : P2, CED 46 : P3, CED 46 : P4, CED 46 : P5, CED 46 : P6, CED 46 : P7, CED 46 : P8, CED 46 : P9, CED 46 : P10, CED 46 : P11, CED 46 : P12, CED 46 : P13, CED 46 : P14, CED 46 : P15, CED 46 : P16, CED 46 : P17, CED 46 : P18, CED 46 : P19, CED 46 : P20, CED 46 : P21, CED 46 : P22, | ------- |
| 4 | Skipped to W-Draft | 27-03-2025 | Stage-Changed | ------- | |
| 5 | WC Draft | 27-03-2025 | Duration : 30 Days Submitted for HOD approval |
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| 6 | WC Draft | 27-03-2025 | WC approved by HOD |
CEDC CED 46, MED 03, CED 46 : P1, CED 46 : P2, CED 46 : P3, CED 46 : P4, CED 46 : P5, CED 46 : P6, CED 46 : P7, CED 46 : P8, CED 46 : P9, CED 46 : P10, CED 46 : P11, CED 46 : P12, CED 46 : P13, CED 46 : P14, CED 46 : P15, CED 46 : P16, CED 46 : P17, CED 46 : P18, CED 46 : P19, CED 46 : P20, CED 46 : P21, CED 46 : P22, | ------- |