Building Information Modelling and

Management
Course Code:AUMCM770
Semester: 4th
Programme: MBA CPM
School of Construction
2023-24

Mr. Shankar Banerjee

Research Associates
Course Code: AUMCM 761
MBA CPM
Semester 4
2023-24
REVIT – MEP

Start a New MEP Project.

Revit provides tools that support typical MEP workflows and tasks.

1. Set Up the MEP Project: MEP projects are typically created using linked architectural models.

2. Place Spaces and Create Zones: Identify the spaces and zones based on the requirements of
the systems in the model.
 REVIT – MEP

Set Up the MEP Project

MEP projects are typically created using linked architectural models. Plenums and chases should
be included when analyzing heating and cooling loads for a project. Consequently, it’s often
necessary to add levels to the architectural model so that you can recognize the entire volume of
an MEP project.

Spaces and zones maintain information that you will use to design the systems that satisfy heating,
cooling, lighting, and fire protection requirements for the project.
REVIT – MEP

Start a new project. Use a project template provided by your

CAD/BIM manager, or use a template
that Revit provides. Templates define many
discipline specific settings.
Link the model. Models can be linked to specify the relative
locations of individual buildings on a
campus, or to coordinate efforts across
disciplines (architectural, structural, and
engineering).
Define levels for the model. Add levels in the host project that
correspond to the levels in the linked
model. Create additional levels for plenums
so that spaces can be placed to account for
entire volume of the project.
Monitor changes in the linked model. Use Copy/Monitor to recognize when
changes occur in the linked model.
 REVIT – MEP

Place Spaces and Create Zones

Identify the spaces and zones based on the requirements of the systems in the project.
With the project preparation completed, you are ready to determine system requirements in the project.

Specify room bounding for the linked model. Room bounding uses surfaces from the linked model
to enclose spaces placed in areas in the model.

Place spaces. Place spaces throughout the model to account for

the entire volume.
Define zones. Spaces and zones maintain MEP information that can
be used to define system requirements. Assign
spaces to zones for the particular systems that you
are designing.
 REVIT – MEP

About Heating and Cooling Loads Analysis

After spaces have been placed in all areas of the building model and the spaces are assigned to
zones that you created, you can perform a heating and cooling loads analysis to
determine the heating and cooling demands of the building model.

.
REVIT – MEP

Analytical 3D model of an office building

Spaces should be placed in all areas (accounting for the entire volume) of the building model to achieve an
accurate heating and cooling loads analysis.

This includes unoccupied spaces such as plenums, Account for the Volume of Cavities, Shafts, and Chases.
You must also select Areas and Volumes in the Volume Computations dialog to compute the overall volume of
spaces in a project. Although the areas associated with sliver spaces do not display as zones and spaces in
plan or section views, they do display in the analytical model in the Heating and Cooling Loads dialog. This is
because sliver spaces are analyzed during a heating and cooling loads analysis and the analytical model
displays all areas that are analyzed.

See Account for the Volume of Cavities, Shafts, and Chases. The project phase must correspond to the phase
for all the zones and spaces in the building model in order to analyze the heating and cooling demands of the
entire model. Otherwise, only those zones and spaces that have phases that correspond to the project phase
will be analyzed.

When working with a linked model, all zones and spaces must be in the host (local) file.
REVIT – MEP

HVAC
Return Air Flow

Link Revit

Room Bounding
Air Pressure

Spaces & Zones

Heating & Cooling loads System Inspect

Schedules

Air Terminal - Supply VAV Units Generate Layout Add Lining or Insulation
 REVIT – MEP

Plumbing

Place Plumbing Fixtures

Plumbing fixtures are often hosted components, placed on a vertical face, face, or work plane.
1. In the Project Browser, open a view where you want to place a plumbing fixture.
2. In the Project Browser, right-click the view, click Apply Template Properties to Current View, and select
Plumbing Plan from the Apply View Template dialog.
Note: The Plumbing Plan view template is available when you create a project using the mechanical default
template.
3. Click Systems tab Plumbing & Piping panel , and select a particular fixture type from the Type Selector.
4. On the ribbon, verify that Tag on Placement is selected to tag the plumbing fixture automatically.
5. On the Options Bar, to include a tag leader, select Leader and specify the length.
6. Click Place Plumbing Fixture tab Placement panel , , or to specify a host component.
Tip: When placing a plumbing fixture on a work plane, it may be necessary to Pick a Plane in the Work plane
dialog, or by selecting Placement Plane on the
Options Bar when placing the fixture.
7. Move the cursor to where you want to place the plumbing fixture, and click.
Tip: You can press Space to rotate the plumbing fixture prior to placing it in the view. The fixture is rotated by 90
degrees each time you press Space.
 REVIT – MEP

Create a Sanitary System

Both plumbing fixtures must be assigned to a Sanitary system, but because the flow in a sanitary system depends on gravity, the
piping should be sloped.
The Generate Layout tools let you specify the layout and the slope for much of the sanitary system. However, some modifications,
such as vents and traps, and connections between different building levels must be made manually. Begin by creating the
sanitary system.
Layout Piping for the Sanitary system
1. Select one or more plumbing fixtures in the plan view.
2. Click Modify Plumbing Fixtures tab Create Systems panel Piping.
3. In the Create Piping System dialog, specify the following:
• System Type: the type of fixture selected in the view determines which System Type it can be assigned to. For a plumbing
system,the default system types are Sanitary, Domestic Cold Water, Domestic Hot Water, and Other.
4. Click OK.
The previously unassigned system is moved to the Piping folder in the System Browser.
The Generate Layout tools let you define the layout for piping in the sanitary system.
5. Open a 3D view showing the plumbing fixtures, and enter the keyboard shortcut, WT to tile the views.
 REVIT – MEP

6. In the plan view, select one of the plumbing fixtures in the sanitary system.
7. Click Modify Piping Systems tab Layout panel Generate Layout or Generate Placeholder.
8. If more than one system has been created for the fixture, in the Select a System dialog, select the new
sanitary system, and click OK.
The Generate Layout tab is activated.
Note: When creating sloped piping, be sure to have a valid drainage point in the system or use the Place Base
command to establish a valid drainage point.
On the Modify Layout panel, click Place Base.
9. On the Options Bar, click Settings.
10. In the Pipe Conversion dialog, specify the type of pipe and the offset for the Main and Branch segments of
sanitary piping.
For this example, the Main and Branch are set for a Pipe Type: PVC, and an Offset of -1' 6" (-450 mm), which
places the piping below the level associated with the current level in the plan view.

Click OK.
11. On the Slope panel, select a value for Slope Value; for this example, 1/8" /12" (32 mm).
12. Accept the default plumbing Solution Type: Network, and click or to cycle through the proposed
routing solutions to select the one that best fits the plan. Generate Layout.
13. If necessary, click Modify, and reposition pipe segments to avoid obstructions.
REVIT – MEP

Click Finish Layout when you are satisfied with the routing of the piping for the system.
 REVIT – MEP

The piping is created according to the specifications in the Conversion Settings dialog and on the
Options Bar.
 REVIT – MEP

Design the Electrical Systems

Connect compatible devices and fixtures to create the electrical systems for the project.

Place devices and equipment in the Place electrical equipment and devices in the
project. project.

Place lighting fixtures and switches. Place lighting fixtures and switches in the
project.
Draw cable tray. Add cable tray with or without fittings.
Create power and lighting. Select compatible devices and create power
circuits. Select compatible lighting fixtures
and create lighting circuits.
Assign light fixtures to switches. Create switch systems and assign lighting
fixtures.
 REVIT – MEP

Electrical Systems
Create electrical systems (circuits) to place devices, lighting fixtures, and electrical equipment in
a project.
• Systems tab Electrical panel

• (Wire)
• (Cable Tray)
• (Conduit)
• (Parallel Conduits)
• (Cable Tray Fitting)
• (Conduit Fitting)
• (Electrical Equipment)
• (Device)
• (Lighting Fixture)
REVIT – MEP

Place Electrical Equipment

Electrical equipment consists of panels and transformers. Electrical equipment can be hosted
components (an electrical panel that must be placed on a wall), or unhosted (a transformer that
can be placed anywhere in a view).

To place electrical equipment

1.In the Project Browser, expand Views (all) Floor Plans, and double-click the view where you
want to place the equipment.
2. Click Systems tab Electrical panel Electrical Equipment.
3. In the Type Selector, select a component type.
4. On the ribbon, verify that Tag on Placement is selected to tag the equipment automatically.
5. On the Options Bar, to include a tag leader, select Leader and specify the length.
6. Move the cursor over the drawing area.
The equipment is previewed as you move the cursor over a valid location in the drawing area.
7. Click to place the equipment.
 REVIT – MEP

Create Power and Lighting Circuits

You can create circuits for power systems (power and lighting load classifications) that connect compatible electrical devices and
lighting fixtures, and then connect the circuit to an electrical equipment panel.
Revit automatically calculates wire sizes for power and lighting circuits to maintain less than a 3% voltage drop. Wire size
calculations are based on the circuit rating and the length of the wiring runs.

1. Select one or more electrical devices or lighting fixtures.

2.Click Modify | Electrical Fixtures, or Modify | Lighting Fixtures tab Create Systems panel Power.
If the devices for the circuit have their distribution system specified as instance parameters, the Specify Circuit Information dialog
is displayed.
3.Specify the voltage and number of poles for the circuit and click OK.
The logical circuit that is created displays as dashed lines between the selected electrical components.
 REVIT – MEP

Creating a Switch System

You can assign lighting fixtures to specific switches in a project. The switch system is independent of lighting circuits and wiring.
Note: You can also create a lighting switch system by right-clicking the connector for a lighting fixture and clicking Create Switch
System.
Add lighting fixtures to the switch system
1. Select one or more lighting fixtures in a view, and click Modify | Lighting Fixture tab Create Systems panel Switch.
2. Click Switch Systems tab System Tools panel Edit Switch System.
3. Click Edit Switch System tab Edit Switch System panel Add to System, and select one or more lighting fixtures in the
view.
4. Click Select Switch, and select a switch in the drawing area.

Click Finish Editing System.