# Dental Medical Gas in South County

> New dental office sanitary, water, air, vacuum, oxygen and nitrous oxide piping, with underground work and hot-water recirculation.

Canonical: https://legacyplumbingmo.com/projects/dental-office-plumbing-medical-gas-south-st-louis-county
Last updated: 2026-10-27

[All Projects](https://legacyplumbingmo.com/projects) Dental / Medical Gas & New Office

New dental office sanitary, water, air, vacuum, oxygen and nitrous oxide piping, with underground work and hot-water recirculation.

St. Louis, South St. Louis County Sector: Healthcare / Dental

## Project Overview

| Location | St. Louis, South St. Louis County |
| --- | --- |
| Building type | Healthcare / Dental |
| Scope | Dental / Medical Gas & New Office |
| Year | 2026 |

The South St. Louis County dental office scope extended from trench excavation and rough backfill to medical gas piping and fixture connections. Legacy Plumbing installed sanitary and vent systems, hot and cold water, dental vacuum, compressed air, oxygen and nitrous oxide. Hot-water recirculation was balanced with 12 circuit setters, with a recirculation pump and gas water heater in the package.

This project is an example of our [medical gas plumbing](https://legacyplumbingmo.com/services/medical-gas) work, with scope that also falls under [underground & site utilities](https://legacyplumbingmo.com/commercial/underground-site-utilities) . See more of our [healthcare plumbing](https://legacyplumbingmo.com/industries/healthcare) and our coverage for [commercial plumbing in St. Louis](https://legacyplumbingmo.com/locations/st-louis) . For planning tips, read [Dental Office Plumbing: Operatories, Vacuum and Air, Sterilization and Rough-In](https://legacyplumbingmo.com/resources/dental-office-plumbing-rough-in-guide) .

## Scope of Work — St. Louis, MO

- Trench excavation and rough backfill for underground plumbing
- Sanitary, vent, hot and cold water, dental vacuum, compressed air, oxygen and nitrous oxide piping
- Insulated hot and cold water lines; balanced recirculation with 12 circuit setters, a pump and gas water heater
- 3 water closets, 3 lavatories, 4 sinks and a mop basin
- 2 cast-iron floor sinks, 2 floor drains and 2 cleanouts
- 5 emergency eyewashes, laundry box and 2-inch RPZ
- Medical gas piping and fire-stopping

### Documented Scope Outcomes

- Oxygen and nitrous oxide piping accompanied dental air and vacuum
- Hot-water recirculation included twelve circuit setters
- Underground plumbing scope included trench excavation and rough backfill

### Project Snapshot

- **Location:** St. Louis, South St. Louis County
- **Sector:** Healthcare / Dental
- **Type:** Dental / Medical Gas & New Office

Dental Medical Gas & New Office [Request a Similar Bid](https://legacyplumbingmo.com/contact-us) [Call Estimating](tel:+16369780120)

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## Need a Plumber in St. Louis or the Surrounding Area?

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## Related
- [Contact Legacy Plumbing](https://legacyplumbingmo.com/contact-us)
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