Example below. OmniClass spans 15 tables. This viewer covers the three you'll use most as an estimator. Press / to focus the search box.
Table 23 Products › 23-13 Structural › 23-13 35 Framing › 23-13 35 19 Rafters, Beams & Joists
23-13 35 19 17
Precast Concrete Beams
PRODUCT TYPE · LEVEL 4
How the code is structured
23
Products
(table)
(table)
13
Structural
& enclosure
& enclosure
35
Framing
products
products
19
Rafters,
beams
beams
17
Precast
concrete
concrete
Companion beam types under 23-13 35 19 17
23-13 35 19 17 11
Doubletee Beams
Doubletee Beams
23-13 35 19 17 13
Hollowcore Beams
Hollowcore Beams
23-13 35 19 17 15
Inverted Tee Beams
Inverted Tee Beams
23-13 35 19 17 17
Spandrel Beams
Spandrel Beams
The 15 OmniClass tables
Three tables are fully loaded in this viewer (8,501 nodes total). The other twelve are part of the OmniClass standard but require a CSI licence to redistribute — for those, work directly with the authoritative source at csiresources.org/standards/omniclass.
LOADED
Table 13
Space by Function
959 nodes
LOADED
Table 21
Elements
641 nodes
LOADED
Table 23
Products
6,898 nodes
VIA CSI
Table 11
Construction Entities by Function
VIA CSI
Table 12
Construction Entities by Form
VIA CSI
Table 14
Spaces by Form
VIA CSI
Table 22
Work Results — closest to MasterFormat
VIA CSI
Table 31
Phases
VIA CSI
Table 32
Services
VIA CSI
Table 33
Disciplines
VIA CSI
Table 34
Organizational Roles
VIA CSI
Table 35
Tools
VIA CSI
Table 36
Information
VIA CSI
Table 41
Materials
VIA CSI
Table 49
Properties
The 12 unlocked tables above are published & licensed by CSI. Browse them on the official source: csiresources.org/standards/omniclass.
Pick any code from the tree on the left to view it the same way. Table 23 Products is the deepest — useful for product-spec lookups; Table 13 Space by Function for FM and brief-writing; Table 21 Elements for cost-planning at the elemental level.