# Preconstruction Contractor in St. Louis, MO | Kuesel

> Preconstruction for St. Louis GCs, engineers, and developers: AGTEK takeoffs, 3D earthwork models, drone topo checks, HCSS HeavyBid, value engineering.

Canonical: https://kueselinc.com/services/preconstruction

Value engineering, precision takeoffs, and early site planning for GCs, engineers, and developers — before a machine moves.

Getting in early makes all the difference. We partner with general contractors, civil engineers, and developers during design — not after bid day. Using AGTEK 2D cut/fill takeoffs and 3D earthwork models, drone-flown topo verification, and HCSS HeavyBid estimating built on real production data, we help shape smarter, more cost-efficient sites: balanced mass grading, minimized export, rock identified early, and utility routes value-engineered before they're drawn in stone.

## Capabilities

- Value engineering & constructability review
- AGTEK 2D cut/fill takeoffs & site balancing
- 3D earthwork modeling & visualization
- Drone topo & existing-grade verification
- HCSS HeavyBid estimating with real production data
- Mass grading optimization & haul-off reduction
- Utility depth & routing review
- Early rock & soil condition identification

## Contact

|  |  |
| --- | --- |
| Phone | (636) 978-3478 |
| Address | 854 Lone Star Drive, O'Fallon, MO 63366 |
| Office hours | Monday–Friday 7:00 AM–4:00 PM |
| Service area | the St. Louis region |
| Bids | We confirm whether we're bidding within 1 business day. |

## Related

- [All services](https://kueselinc.com/services)
- [Request a bid](https://kueselinc.com/contact)
- [Request a bid](https://kueselinc.com/bid-invite)
- [Services](https://kueselinc.com/services)
- [Projects](https://kueselinc.com/projects)