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Linking life cycle BIM data to a facility management system using Revit Dynamo

Walid Thabet
Walid Thabet
, 
Jason Lucas
Jason Lucas
 und 
Sai Srinivasan
Sai Srinivasan
   | 01. März 2022
Organization, Technology and Management in Construction: an International Journal's Cover Image
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Article Category: Case Study
Online veröffentlicht: 01. März 2022
Seitenbereich: 2539 - 2558
Eingereicht: 12. Mai 2020
Akzeptiert: 16. Juni 2020
DOI: https://doi.org/10.2478/otmcj-2022-0001
Schlüsselwörter
© 2022 Walid Thabet et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Research methodology.
Research methodology.

Fig. 2

Allocation of asset properties and attributes in the formatted Excel spreadsheet.
Allocation of asset properties and attributes in the formatted Excel spreadsheet.

Fig. 3

Example of the “Parts” tab.
Example of the “Parts” tab.

Fig. 4

Summary of the proposed Dynamo workflow.
Summary of the proposed Dynamo workflow.

Fig. 5

Step 1: Identifying model elements.
Step 1: Identifying model elements.

Fig. 6

Step 2: Querying model parameters.
Step 2: Querying model parameters.

Fig. 7

Step 3: Writing data to Excel (“General” tab).
Step 3: Writing data to Excel (“General” tab).

Fig. 8

Python code for converting OmniClass values.
Python code for converting OmniClass values.

Fig. 9

Step 4.1: Access all elements of a specific asset group.
Step 4.1: Access all elements of a specific asset group.

Fig. 10

Step 4.2: Creating column 1 (ASSET_TAG) and column 2 (ASSET_GROUP).
Step 4.2: Creating column 1 (ASSET_TAG) and column 2 (ASSET_GROUP).

Fig. 11

Step 4.2: Transpose and write columns 1 and 2 to a temporary Excel file.
Step 4.2: Transpose and write columns 1 and 2 to a temporary Excel file.

Fig. 12

Step 4.2: Column 3—Writing Attribute ID for each asset.
Step 4.2: Column 3—Writing Attribute ID for each asset.

Fig. 13

Step 4.2: Column 4—Writing attribute values.
Step 4.2: Column 4—Writing attribute values.

Fig. 14

Step 4.3: Preparing to read data from temporary file.
Step 4.3: Preparing to read data from temporary file.

Fig. 15

Steps 4.3 and 4.4: Reading temporary data and writing to final file.
Steps 4.3 and 4.4: Reading temporary data and writing to final file.

Asset groups and equipment information

Asset group Equipment name Parent Location
AHU MAU-1 (Supply Air Handler) Roof
AHU EAU-1 (Exhaust Air Handler) Roof
ERU Energy Recovery Unit EAU-1 Roof
FAN Supply Fan MAU-1 Roof
FAN Exhaust Fan EAU-1 Roof
FAN F-1 Basement—Mech/Elec Rm 7
FAN F-2 ERU Roof
FCU FC-1 through FC-8 Main Floor
FCU FC-9 Basement
HTR HUH-1 Basement—Mech/Elec Rm 7
HTR ECH-1 ERU Roof
HTR ECH-2, ECH-3, ECH-4 MAU-1 Roof
HUD HUM MAU-1 Roof
P HWP-1, HWP-2 Basement—Mech/Elec Rm 7
P ERP-1 ERU Roof
P CWP-1 Basement—Mech/Elec Rm 7
SEP AS-1 Basement—Mech/Elec Rm 7
SEP AS-2 ERU Roof
TNK PET-1 Mech/Elec Rm 7
TNK PET-2 Roof
EMER-ATS ATS-1, ATS-2 Basement—Mech. Equip. Rm
EMER-GEN Emergency Generator Basement—Mech. Equip. Rm

Specific asset attributes for Air Handler Unit (AHU) asset group

AHU common attribute Common attribute value (MAU-1) Source/remarks
Bas point address CMMU1SAF Bldg. WALKTHROUGH
Heating source BOILER SHEET M1.2
Heating capacity 13,500
Total air flow 13,330 SHEET M1.2
External static pressure 1.5 SHEET M1.2
Min. outside air
Max. outside air
Cooling source CHILLER
Total cooling capacity 704.09 SUBMITTAL EAU_MAU_050216
Sensible cooling cap 455.52 SUBMITTAL EAU_MAU_050216
Economizer Y
Economizer type
Total static pressure 5.006 SUBMITTAL EAU_MAU_050216
Type RT (Roof Top) SHEET M1.2

Parameter types and corresponding input list

Sheet Parameter name (input) List used as input
List.FilterByBoolMask FamilyInstance.Type
General ASSET_TAG* X
ASSET_GROUP X
DESCRIPTION X
LOCATION_CODE X
DATE_PURCHASED X
LONG_DESC X
SERIAL_NO X
LOCKOUT X
MANU_PART_NUMBER X
MANUFACTURE_CODE X
PROCEDURE_YN X
PARENT_ASSET_TAG X
YEAR_INSTALLED X
Classification ASSET_TAG* X
CLASS_STANDARD X
LEVEL_1 X
LEVEL_2 X
LEVEL_3 X
LEVEL_4 X
LEVEL_5 X
LEVEL_6 X
Location ASSET_TAG* X
LOCATION X
USAGE_FACTOR X
Parts ASSET_TAG* X
PART X
QUANTITY X
Warranty ASSET_TAG* X
WARR_DESC X
WARR_DATE_FR X
WARR_DATE_TO X

Common asset attributes for MAU-1 (AHU asset group)

Common attributes Common attribute value Data source/remarks
ASSET_TAG 00441-AHU-RT-0001 VT Asset Tag Naming Convention
ASSET_GROUP AHU VT Asset Groups List
DESCRIPTION MAU-1—MAKEUP AIR HANDLING UNIT SHEET M1.2
LOCATION_CODE ROOF SHEET M2.6
DATE_PURCHASED
LONG_DESC AIR INTAKE SECTION W/FILTERS (100 PERCENT OUTDOOR AIR HOOD), ENERGY RECOVERY COIL SECTION (GLYCOL LOOP), 24″ ACCESS SECTION, STEAM PREHEAT COIL SECTION, 24″ ACCESS SECTION, CW COIL SECTION, PLENUM SUPPLY FAN, HUMIDIFICATION SECTION FOR DISPERSION MANIFOLD, 48″ PLENUM W/TWO BOTTOM DISCHARGE OPENINGS. OVERALL UNIT DIMENSIONS APPROX. 27′–6″L ′ 7′–10″W ′ 5′–8″H. APPROXIMATE UNIT OPERATING WEIGHT 8,000 LBS; OMNICLASS23: BUILT UP ROOFTOP AIR HANDLING UNITS OMNI CLASS 23
LOCKOUT Y SUBMITTAL EAU_MAU_050216—p12
SERIAL_NO K16E36891 Bldg. Walkthrough
MANUFACTURE_CODE TRANE SHEET M1.2
MANU_PART_NUMBER CSAA030UB SUBMITTAL EAU_MAU_050216—p37
PROCEDURE_YN Y SUBMITTAL EAU_MAU_050216
PARENT_ASSET_TAG N/A
YEAR_INSTALLED 2017
PART 12′ 24 2″ Pleated Media MERV 8 SUBMITTAL EAU_MAU_050216—p35
QUANTITY 3
PART 20 ′ 20 2″ Pleated Media MERV 8 SUBMITTAL EAU_MAU_050216—p35
QUANTITY 8
PART BX-98 Belt
QUANTITY 2
PART 12 ′ 24 12″Cartridge 95% MERV 15 SUBMITTAL EAU_MAU_050216—p35
QUANTITY 3
PART 20 ′ 20 12″Cartridge MERV 15 SUBMITTAL EAU_MAU_050216—p35
QUANTITY 8
WARR_DESC 1 YEAR PARTS AND LABOR; 5 YEARS PARTS ONLY for ECONOMIZER SUBMITTAL EAU_MAU_050216—p3, 11
WARR_DATE_FR
WARR_DATE_TO
LOCATION BLDG441—BASEMENT & MAIN FLOOR M2.4, M2.5 AND M2.6
USAGE_FACTOR 50, 50
CLASS_STANDARD OMNICLASS, Master Format OMNI CLASS 23, Master Format 2016
LEVEL_1 23, 23 OMNI CLASS 23, Master Format 2016
LEVEL_2 33, 74 OMNI CLASS 23, Master Format 2016
LEVEL_3 25, 16 OMNI CLASS 23, Master Format 2016
LEVEL_4 11 OMNI CLASS 23, Master Format 2016
LEVEL_5 13 OMNI CLASS 23, Master Format 2016
LEVEL_6

Query functions to access value

Query function Value
f[0] 23.27.19.15
f[0][0] 2
f[0][1] 3
f[1] 23.27.17.13
f[1][4] 7

Stored OmniClass values

Element index
0 1
Value index Value Value index Value
0 2 0 2
1 3 1 3
2 . 2 .
3 2 3 2
4 7 4 7
5 . 5 .
6 1 6 1
7 9 7 7
8 . 8 .
9 1 9 1
10 5 10 3
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