Steel Joist Detailing for Shop Drawings
Our in-house detailing staff has over 40 years combined experience. We work with contractors, project managers and engineers to ensure the fastest possible lead times for your project. Our ability to provide fast bar joist approvals has made us one of the best steel joist detailing companies in United States.
Our joist detailing staff's technical expertise in steel joist detailing will incorporate your projects specific requirements for approval by the EOR. This includes but not limited to:
- Joist Uplift
- Sloped Seats
- Snow Drifts Loads
- Loads from RTUs
- Added Loads on Bottom Chord
- SJI Bridging Requirements
- Vierendeel Openings
- Axial Loads
- (TCX) and (BCX) Extensions
Bar Joist Approval Drawings Process
Our process begins with fast and direct communication with our customers and stakeholders to ensure maximum productivity and timeliness. The bar joist shop drawing process is as outlined below.
1. Approval Drawings
Our detailer incorporates information provided from structural drawings and EOR into a joist approval plan.
2. Sent To Customer
The joist "shop drawings" or placement approval plan is sent to customer to be sent to the EOR.
3. EOR Reviews
The EOR reviews for design and joist specific questions needed for manufacturing & installation.
4. Approved or Resubmit
The EOR either "Approves" the joist drawings or requests to "Revise & Resubmit" the drawings.
Our detailer creates bills of material for joist fabrication based off the approved joist plans and EOR’s comments.
6. JMRDP Review
Bills of material are reviewed for the project specific details with design calculations.
7. Fabrication & Delivery
The project is placed in the plants fabrication schedule and the material is delivered to the customer to their requested schedule
8. Field Use Plans
Final joist plans are sent to the customer that include all the necessary information needed by the installation or erector team in the field.
The EOR should notate on the bid documents the steel joist and girder designations and indicate the requirements for joist and girder design, layout, end supports, anchorage, non-SJI standard bridging, bridging termination connections and bearing connection design to resist uplift and lateral loads. The drawings provided by the EOR should indicate requirements as follows:
- Concentrated Loads
- Nonuniform Loads
- Axial Loads
- End Moments
- Connection Forces
- Net Uplift Loads
Any other considerations including:
- Profiles for nonstandard joist and joist girder configurations
- (standard joist and joist girder configurations are as indicated in the SJI catalog);
- Oversized or other nonstandard web openings; and Extended ends.
- Deflection criteria for live and total loads for non-SJI standard joists.
Stamps & Joist Calculations
A steel joist placement plan will be provided to show the steel joists as designated on the bid documents and a field use plan for installation. Some may refer to this as a joist shop drawing.
The Steel joist placement plans do not require the seal and signature. As the steel joist placement plans do not define the a building’s structural design. They are provided to show the joist only as an overlay to the structural or architectural drawings. By placing a engineer’s seal or signature on the steel joist placement plans, it would undermine EOR's responsibilities for the project’s overall structural design.
In lieu of stamping our placement plan we design steel joists and steel joist girders in accordance with the SJI specifications and upon request by the EOR we can submit design calculations for our products.