Revit MEP project portfolio

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CHAITANYA PURANIK BE - MECHANICAL 2012 - 2016 Designing & Detailing REVIT MEP & HVAC SYSTEMS

Transcript of Revit MEP project portfolio

Page 1: Revit MEP project portfolio

CHAITANYA PURANIK

BE - MECHANICAL

2012 - 2016

Designing & Detailing

REVIT MEP & HVAC SYSTEMS

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Project & building information:

Building type : Office type.

Location : Bengaluru.

Building area : 3, 89,160 ft².

No. Of floors : GF + 11

Indoor design conditions : 77° F, 50% RH.

Air volume calculation type : VAV – single duct system.

Peak total cooling load : 600 TR (diversity factor: 10%).

Cooling Air Flow Requirement : 2, 09,480CFM

Occupancies : 6336 people. Operation time : Day time working (5 days in

week)

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Heat load report:

To obtain:

The Effective Sensible Heat Factor (ESHF): 0.729 Apparatus Dew Point temperature (ADP): 50 °F Total effective heat load: 600 TR

Parameters considered:

Solar gain glass. Solar & trans. gain – walls & roof. Trans. gain except walls & roof. Infiltration and outside air. Room internal heat. Effective room sensible heat. Effective room latent heat.

References:

ASHRAE -55(thermal comfort applications). ASHRAE -62.1 (fresh air requirement). ASHRAE -90.1(energy standards for high rise buildings).

“Basic refrigeration and air conditioning” by P N Anantanarayana (table- A10 ADP).

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Duct layout design:

Method of duct design: Equal friction method.

Software used : Mc Quay Duct Sizer.

Duct system : VAV – single duct system.

Parameters considered for sizing:

Volume flow rate of air.

Velocity of air.

Pressure drop.

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System inspector & PD – report:

Finding critical path.

Finding total pressure drop of system by revit PD – report.

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Clash detecting

& Resolving:

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Equipment selection:

Selection of Supply and Exhaust – FAN

Selected fans:

1. Floor wise toilet exhaust fan : Centrifugal- inline –direct-

driven.

2. Terrace exhaust fan : single inlet single width (SISW) fan.

3. Supply air fan : backward curved centrifugal fan.

References:

LAU fan brochure, KRUGER catalogues for fans.

NBC part 8- lighting and ventilation. (No of air changes required for toilet-10 & office-6 ACH).

Selection of cooling coil is made based on following

Technical considerations:

Coil face velocity: < 500 fpm.

Material for COIL: COPPER( Cu )

FIN: ALLUMINIAM (Al)

NO of rows : 06

Chilled water temperature : 47°F – 59°F

Mixed air temperature : 54°F

Fouling factor : 0.00025

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Selection of chiller plant is made based on following

Technical considerations:

Cooling capacity each: 275.

Quantity: 02.

Cooling method: Water cooled.

Type: Flooded Screw chiller.

Flow: Counter flow.

Water temperature for Evaporator : Inlet : 59°F

Outlet: 47°F

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Selection of cooling tower is made based on following

Technical considerations:

Total cooling load: 550 TR

Capacity: 325 TR

Quantity: 02

Type: forced.

Flow: counter flow.

Wet bulb temperature of air: 78°F

Approach: 5°F

Range: 11°F

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Public health engineering: System: supply water system, (Over head tank distribution).

System: single pipe drainage system.

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System: double pipe drainage system.

Slope maintained 1:100

References:

NBC PART-9 PLUMBING SERVICES: SECTION 1-WATER SUPPLY, DRAINAGE & SANITERY. Table – 09 office buildings. Table – 23 fixture units for sanitary appliances. Table – 25, 26 sizing of drainage pipes.

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Fire suppression system design:

Fire fight piping layout

Sprinkler used: Dry - pendant – hosted.

References:

Pipe sizing for the system is done by referring NBC part-4 “FIRE AND LIFE SAFETY”.

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THANKING YOU