Detailing
Shop & erection drawings
Every member, connection and bolt detailed for your shop, checked against the contract set, and released clean after approval.
- Structural steel
- Stairs & rails
- Misc. metals
- Plant platforms
- Field measurement
Steel detailing & estimating · Texas
Shop drawings that fit the first time.
3D models and shop & erection drawings for steel fabricators, and steel takeoffs for your bids: structural steel, stairs and rails, miscellaneous metals and plant platforms.
Quotes within one business day · Se habla español · Walk through a 3D model
Two ways we work with your shop
From the bid to the shop floor
New · Estimating
Steel takeoffs for your bids
Send the bid drawings; get every beam, column, plate, bolt and rail counted in Excel, ready for your prices, with our detailing quote for the job.
- From $250 per takeoff
- 14-day free trial · first takeoff free · cancel anytime
- projects since 2021
- 111
- years in steel detailing
- 30+
- industrial & plant jobs
- 32
- bilingual office
- EN / ES
Counted from our own job records.
3D models
Walk through the steel before it's cut
These are real job models. Open one and follow the guided tour, or turn it yourself.
3DPublic library
A sweeping curved roof, with every beam and connection following its shape. About 13,000 parts.
Open the model
3DCommunity center
Stairs, guardrails and an elevated running track. Guided tour with 14 stops.
Open the model
3DCity hall
Three floors of framing, roof structure, stairs, rails and misc. metals: about 12,000 parts.
Open the modelSample drawings
What our sheets look like
Excerpts from issued-for-construction sets we detailed: erection plans, stair sheets, ISO views, shop drawings and a single-part sheet. Click any sheet to see it full size.
ISO views
Shop drawings
Customer and job names are removed from these samples.
How a job runs
From your drawings to released shop drawings
- 1
Send the drawings
Contract drawings as PDF, DWG or a link, plus your bid date.
- 2
Quote in one business day
A clear price with the scope, exclusions and a detailing schedule.
- 3
We build the 3D model
Every member, connection and bolt in a 3D model, checked against the contract set.
- 4
Approval drawings
Shop and erection drawings go to the GC and engineer of record for review.
- 5
Release for fabrication
We pick up the approval comments and release clean sheets and files to your shop.
Experience
111 projects, Texas and beyond
School gyms, hospital renovations, cement plant platforms, churches and downtown towers.
Commercial & retail
38- Banyan-Shops at Trinity Falls2026
- BISD Admin Buildings 1-3 RTU Reinforcement2026
- EHC-Katy Construction Project2026
- H Town Public Storage Project2026
Industrial & plants
32- Clinker Cooler East Wall Platform2026
- Fifth Ward Church Sump Pit Ladder2026
- HEB RDC-Chiller2026
- Kiln Platform extension (Pier 1 and Pier 2)2026
Schools & universities
13- HS Wrestling Gym2026
- Canopy2025
- Grace Campus2025
- Football Operations Renovation2024
Healthcare & labs
8- Houston Cardiovascular Associates Museo Building2023–2026
- MDA 1MC-SHP Relocation2024–2025
- Biologique Recherche2024
- Nurix Therapeutics2024
Churches
7- Grace Fellowship Church2025
- Strawbridge UMC2025
- Crosspoint Church2024
- Trinity Episcopal Church Renovation2024
Civic & public
5- Structure Canopy Roof2025
- Cedar Hill Library And Park2024
- Deer Park Community Recreation Center2023
- Midlothian City Hall2023
Residential
2- Spiral Ladder2024
- Residential Handrails2022
Why fabricators come back
Repeat work
One plant customer has sent us 13 projects in the last two years.
30+ years in steel
Arnoldo Chacon has detailed steel for more than 30 years, from shopping centers and hospitals to schools and plants.
Bilingual office
Drawings, calls and RFIs in English or Spanish, whichever your shop prefers.
Have drawings to price?
Send them over. We'll reply within one business day. Or call (214) 973-8773.