Author name: Admin

MEPVAULT Editorial Team

Firefighting, Standards

Sprinkler Hazard Classification: NBC 2016 and NFPA 13 Side-by-Side
NFPA 13 classifies occupancy hazard for sprinkler design — Light Hazard, Ordinary Hazard Group 1, Ordinary Hazard Group 2, Extra Hazard Group 1, Extra Hazard Group 2. NBC 2016 Pt 4 references NFPA 13 Read more →

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NFPA 13 classifies occupancy hazard for sprinkler design — Light Hazard, Ordinary Hazard Group 1, Ordinary Hazard Group 2, Extra Hazard Group 1, Extra Hazard Group 2. NBC 2016 Pt 4 references NFPA 13

HVAC

Heating Load for North Indian Buildings: Delhi, Chandigarh, Shimla
India is a cooling-dominated market. But Delhi, Chandigarh, Lucknow, Jaipur, Punjab cities, hill stations (Shimla, Manali, Dehradun, Srinagar, Leh) all carry a real winter heating load that an India-t Read more →

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India is a cooling-dominated market. But Delhi, Chandigarh, Lucknow, Jaipur, Punjab cities, hill stations (Shimla, Manali, Dehradun, Srinagar, Leh) all carry a real winter heating load that an India-t

HVAC

VRF Refrigerant Pipe Sizing: Suction, Discharge, and Liquid Line Rules
VRF refrigerant piping is one of the few MEP disciplines where the OEM (Daikin, Mitsubishi Electric, Mitsubishi Heavy, Hitachi, LG, Toshiba) effectively dictates the design. Brand-specific tables driv Read more →

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VRF refrigerant piping is one of the few MEP disciplines where the OEM (Daikin, Mitsubishi Electric, Mitsubishi Heavy, Hitachi, LG, Toshiba) effectively dictates the design. Brand-specific tables driv

Plumbing & Drainage, Sustainability

Greywater Recycling Design: IGBC and GRIHA Compliance for Indian Commercial
Greywater (GW) is the largest single source of recyclable water in any Indian commercial or hospitality project — typically 40-60 % of total wastewater volume. Properly treated, it can offset 30-50 % Read more →

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Greywater (GW) is the largest single source of recyclable water in any Indian commercial or hospitality project — typically 40-60 % of total wastewater volume. Properly treated, it can offset 30-50 %

Plumbing & Drainage

Rainwater Harvesting per CGWA and CPCB: Yield, Storage, and Recharge
Rainwater harvesting in India is no longer a green-building gesture — it is a CGWA mandate for every plot ≥ 100 m² in notified blocks (which now covers most of urban India). This article walks through Read more →

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Rainwater harvesting in India is no longer a green-building gesture — it is a CGWA mandate for every plot ≥ 100 m² in notified blocks (which now covers most of urban India). This article walks through

Hotels & Hospitality, Plumbing & Drainage

Solar Water Heater Sizing for Indian Hospitality: Climate × Demand × Backup
Solar water heating in Indian hospitality is no longer a sustainability gesture — it's the lowest-cost path to BEE 5-star + IGBC EE points + 30-50 % opex reduction on the largest single non-HVAC energ Read more →

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Solar water heating in Indian hospitality is no longer a sustainability gesture — it’s the lowest-cost path to BEE 5-star + IGBC EE points + 30-50 % opex reduction on the largest single non-HVAC energ

Hotels & Hospitality, Plumbing & Drainage

Hot Water Tank Sizing for 5-Star Hotels: Indian Hospitality Benchmarks
ASPE Hunter and ASHRAE Applications give you the textbook method. Indian luxury hospitality operators (Marriott, IHG, Accor, Taj, Oberoi, Leela) overlay their own design SOPs with peak-hour multiplier Read more →

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ASPE Hunter and ASHRAE Applications give you the textbook method. Indian luxury hospitality operators (Marriott, IHG, Accor, Taj, Oberoi, Leela) overlay their own design SOPs with peak-hour multiplier

ELECTRICAL, Standards

IS 3646 vs EN 12464-1: Indian Task Lighting Standards Explained
Two task-lighting standards drive Indian commercial design: **IS 3646 (Pt 1)** the Indian Standard, and **EN 12464-1** the European Standard. Most Indian projects cite both. They overlap heavily but d Read more →

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Two task-lighting standards drive Indian commercial design: **IS 3646 (Pt 1)** the Indian Standard, and **EN 12464-1** the European Standard. Most Indian projects cite both. They overlap heavily but d

ELECTRICAL, Plumbing & Drainage

Lumen Method for Indian LEDs: Fixture Count, UGR, and the LPD Cross-Check
The Lumen Method delivers fixture count from a single equation: N = E × A / (Φ × CU × MF). Behind that is room geometry, reflectance lookup, and a maintenance factor that depends on whether you've des Read more →

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The Lumen Method delivers fixture count from a single equation: N = E × A / (Φ × CU × MF). Behind that is room geometry, reflectance lookup, and a maintenance factor that depends on whether you’ve des

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