---
title: What Does Bid Ocean's Structural & Metalwork Trade Group Include?
description: CSI Divisions, Driving Sections, Trades, Specialty Trades, and Work Types for Structural & Metalwork.
---

[Skip to content](https://landing.bidocean.com/help-center/what-does-bid-oceans-structural-metalwork-trade-group-include#main-content)

English

Show submenu for translations

![HX\_Product Brand\_Master\_BidOcean\_Tagline](https://landing.bidocean.com/hs-fs/hubfs/HX_Product%20Brand_Master_BidOcean_Tagline.png?width=200&height=55&name=HX_Product%20Brand_Master_BidOcean_Tagline.png)

Open main navigation

Close main navigation

- English
  
  Show submenu for translations
- [Visit Bid Ocean](https://landing.bidocean.com/home)

[Visit Bid Ocean](https://landing.bidocean.com/home?hsLang=en)

 How can we help you?

- There are no suggestions because the search field is empty.

1. [Bid Ocean Help Center](https://landing.bidocean.com/help-center?hsLang=en)
2. [FAQs](https://landing.bidocean.com/help-center/faqs?hsLang=en)
3. [Trade Group Mapping](https://landing.bidocean.com/help-center/faqs?hsLang=en#trade-group-mapping)

# What Does Bid Ocean's Structural & Metalwork Trade Group Include?

## CSI Divisions, Driving Sections, Trades, Specialty Trades, and Work Types

### Skip to:

1. [CSI Divisions & Driving Sections](https://landing.bidocean.com/help-center/what-does-bid-oceans-structural-metalwork-trade-group-include#csi)
2. [Trades](https://landing.bidocean.com/help-center/what-does-bid-oceans-structural-metalwork-trade-group-include#trades)
3. [Specialty Trades](https://landing.bidocean.com/help-center/what-does-bid-oceans-structural-metalwork-trade-group-include#specialty-trades)
4. [Work Types](https://landing.bidocean.com/help-center/what-does-bid-oceans-structural-metalwork-trade-group-include#work-types)

#### CSI Divisions & Driving Sections

- 05 – Metals — ALL 43 sections 
    - 13 – Special Construction
    - 13 31 00 Fabric Structures
    - 13 32 00 Space Frames
    - 13 33 00 Geodesic Structures
    - 13 34 00 Fabricated Engineered Structures
    - 13 36 00 Towers
- 34 – Transportation 
    - 34 48 00 Bridge Signaling and Control Equipment
    - 34 80 00 Bridges
    - 34 81 00 Bridge Machinery
    - 34 82 00 Bridge Specialties
- 41 – Material Processing & Handling — ALL 35 sections

#### Trades

- Ornamental Metal Work
- Steel Fabrication
- Structural Steel Erection
- Welding

#### Specialty Trades

- Miscellaneous & Light-Gauge Metals 
    - 05 50 00 – distinct from structural erection
- Metal Decking 
    - 05 30 00 – often a separate installing crew
- Cold-Formed Metal Framing 
    - 05 40 00 – light-gauge framers, distinct from structural
- Rigging & Heavy Lifting 
    - 01 54 00 / 41 22 00 – certified riggers & crane crews
- Metal Building Systems (Pre-Engineered) 
    - 13 34 00 – PEMB erectors
- Curtain Wall Steel & Support Framing 
    - 05 12 00 – engineered secondary steel

#### Work Types

##### Ornamental Metal Work

- Airports

##### Steel Fabrication

- Airports
- Bridges/Overpasses
- Metal Buildings
- Metal Fabrication
- Railroad

##### Structural Steel Erection

- Airports
- Bridges/Overpasses
- Marine Work
- Metal Buildings
- Railroad

##### Welding

- Airports
- Bridges/Overpasses
- Metal Fabrication
- Mining
- Railroad
- Removal and Replacement of pipe

- [Account](https://landing.bidocean.com/help-center/account?hsLang=en)
- [Bid Ocean Core](https://landing.bidocean.com/help-center/bid-ocean-core?hsLang=en)
- [Bid Ocean Lite](https://landing.bidocean.com/help-center/bid-ocean-lite?hsLang=en)
- [Lite vs. Core](https://landing.bidocean.com/help-center/lite-vs-core?hsLang=en)
- [FAQs](https://landing.bidocean.com/help-center/faqs?hsLang=en#main-content)

    - [Trade Group Mapping](https://landing.bidocean.com/help-center/faqs?hsLang=en#trade-group-mapping)
    - [Goods & Services Type Mapping](https://landing.bidocean.com/help-center/faqs?hsLang=en#goods-services-type-mapping)
- [General](https://landing.bidocean.com/help-center/general?hsLang=en)
- [Getting started](https://landing.bidocean.com/help-center/getting-started?hsLang=en)
- [Settings](https://landing.bidocean.com/help-center/settings?hsLang=en)
- [Support](https://landing.bidocean.com/help-center/support?hsLang=en)
- [Troubleshooting](https://landing.bidocean.com/help-center/troubleshooting?hsLang=en)

[![HX\_Product Brand\_Master\_BidOcean\_Tagline](https://landing.bidocean.com/hs-fs/hubfs/HX_Product%20Brand_Master_BidOcean_Tagline.png?width=200&height=55&name=HX_Product%20Brand_Master_BidOcean_Tagline.png "HX_Product Brand_Master_BidOcean_Tagline")](https://www.buildcentral.com/)

[mailto:success@na.hubexo.com](mailto:success@na.hubexo.com) <https://www.linkedin.com/company/bid-ocean-inc-/>

Copyright © 2026, Hubexo North America