--- title: Simpson Strong Tie Project image: https://www.mechanicalresource.com/hubfs/Header.png --- [![Mechanical-Resource-Group-Logo](https://www.mechanicalresource.com/hubfs/Mechanical-Resource-Group-Logo.svg) ](https://www.mechanicalresource.com?hsLang=en) - SOLUTIONS - [Equipment Sales](https://www.mechanicalresource.com/solutions/pre-construction-hvac) - [VRV](https://www.mechanicalresource.com/solutions/variable-refrigerant-volume) - [Boilers](https://www.mechanicalresource.com/solutions/commercial-boilers) - [Variable Frequency Drives (VFDs)](https://www.mechanicalresource.com/solutions/vfd-hvac-systems) - [Controls & Analytics](https://www.mechanicalresource.com/solutuions/building-automation) - [Vibration & Isolation](https://www.mechanicalresource.com/solutions/variable-isolation-hvac) - [Indoor Air Quality](https://www.mechanicalresource.com/solutions/indoor-air-quality) - [Aftermarket Parts](https://www.mechanicalresource.com/solutions/parts) - [Service](https://www.mechanicalresource.com/solutions/service) - [Predictable Buildings and Budgets](https://www.mechanicalresource.com/solutions/predictive-maintenance) - [HVAC Motor Sales](https://www.mechanicalresource.com/solutions/hvac-motor-sales) - About MRG - [Company History](https://www.mechanicalresource.com/about) - [Line Card](https://www.mechanicalresource.com/hvac-manufacturers) - [Sustainability](https://www.mechanicalresource.com/sustainability-archived) - [Careers](https://www.mechanicalresource.com/careers) - Knowledge Center - [Symposiums](https://www.mechanicalresource.com/symposiums) - [Training](https://www.mechanicalresource.com/hvac-training) - [Blog](https://www.mechanicalresource.com/blog) - [Mechanical Pros](https://www.mechanicalresource.com/mechanical-pros) - [Resource Center](https://www.mechanicalresource.com/resources) - [Contact MRG](https://www.mechanicalresource.com/contact) [(615) 690-360024/7 Live Person Response](tel:6156903600) # Simpson Strong Tie ## HVAC Reliability and Value Engineering  **Client:** Simpson Strong-Tie **Location:** Gallatin, TN **Facility:** New manufacturing campus (two buildings) **Scope:** Commercial rooftop HVAC system supporting manufacturing and office areas **Units:** 41 rooftop units (Daikin Maverick) + associated distribution (VAV boxes installed by others) **Installing Contractors:** Cornerstone Mechanical (RTUs + VAV), ICON (process scope + chiller/pumps, ongoing maintenance) **Owner’s Rep:** Dillard Adams ![Dangle](https://www.mechanicalresource.com/hs-fs/hubfs/Dangle.png?width=1440&height=1440&name=Dangle.png "Dangle") --- ![SST2](https://www.mechanicalresource.com/hubfs/SST2.png "SST2") ## The Challenge Simpson Strong-Tie planned a major expansion to bring distributed processes in-house and reduce shipping costs. The initial basis of design defaulted to equipment the owner had previously experienced issues with—specifically **service delays tied to proprietary parts and limited servicing options**. Extended downtime had created operational disruption and forced production shifts to protect employee comfort and safety. Additionally, the project faced: - Tight schedule and staging constraints (limited on-site laydown area) - Structural and safety considerations related to setting heavy rooftop equipment - Refrigerant transition timing risk impacting equipment availability and owner preferences --- ## Mechanical Engineering Solutions MRG Identified a $300,000 opportunity of savings, including:  - **Return duct strategy optimization** - Reduced extensive return ductwork by implementing corridor returns where appropriate - Approximately $200,000 in ductwork - **Exhaust/purge strategy refinement** - Leveraged economizer fresh air capability and variable exhaust options integrated with rooftop units - Reduced need for separate louvers and dedicated exhaust fans while improving purse capacity - Approximately $100,000 in savings   --- ![Heli](https://www.mechanicalresource.com/hubfs/Heli.png "Heli") ## Logistics and Schedule Risk Mitigation To address equipment timing and refrigerant transition concerns:  - Organized **early release of equipment.**  - Coordinated **secure offsite storage** at a protected crane yard (Century Steel) - Supported phased delivery and staging aligned with crane/helicopter lifts --- ## The solution MRG collaborated with the owner team and engineer to evaluate alternatives and recommended **Daikin Maverick** commercial rooftop units, selected for: - **Dual refrigeration circuits** to maintain operation if one circuit fails - **Redundant heating** (two burners) for improved heating uptime - **Serviceability features** (hinged panels, accessible components) - **Non-proprietary components** to reduce “single-source parts” downtime risk MRG also conducted a critical review of the mechanical design and proposed value-engineering changes that reduced the scope without sacrificing performance. ![Units](https://www.mechanicalresource.com/hubfs/Units.png "Units") --- ![last 2](https://www.mechanicalresource.com/hs-fs/hubfs/last%202.png?width=1440&height=1440&name=last%202.png "last 2") ## The result - Improved reliability strategy through redundancy and serviceable equipment selection - Reduced downtime risk through non-proprietary parts flexibility - Delivered meaningful mechanical engineering savings - Supported installation readiness and schedule protection despite significant coordination constraints [![MRG_logo_2021](https://www.mechanicalresource.com/hubfs/MRG_November2021/images/MRG_logo_2021.svg) ](https://www.mechanicalresource.com?hsLang=en) 750 Melrose Ave Nashville, TN 37211 **24/7 Live Person Response:** [615-690-3600](tel:615-690-3600) - [**](https://www.facebook.com/MechanicalResource) - [**](https://www.linkedin.com/company/mechanical-resource-group/) - [**](https://www.youtube.com/channel/UCYkz4FCKONzTPekh-zkUAmQ/videos) ###### MRG SOLUTIONS - [Equipment Sales](https://www.mechanicalresource.com/solutions/pre-construction-hvac) - [VRV](https://www.mechanicalresource.com/solutions/variable-refrigerant-volume) - [Boilers](https://www.mechanicalresource.com/solutions/commercial-boilers) - [Motors](https://www.mechanicalresource.com/solutions/hvac-motor-sales) - [Variable Frequency Drives](https://www.mechanicalresource.com/solutions/vfd-hvac-systems) - [Controls & Analytics](https://www.mechanicalresource.com/solutuions/building-automation) - [Service](https://www.mechanicalresource.com/solutions/service) - [Vibration & Isolation](https://www.mechanicalresource.com/solutions/variable-isolation-hvac) - [Indoor Air Quality](https://www.mechanicalresource.com/solutions/indoor-air-quality) - [Aftermarket Parts](https://www.mechanicalresource.com/solutions/parts) - [Maintenance](https://www.mechanicalresource.com/solutions/maintenance) - [Predictable Buildings & Budgets](https://www.mechanicalresource.com/solutions/predictive-maintenance) ###### Get industry news & insights from MRG Mechanical Resource Group is committed to educating Middle Tennessee's building owners, contractors, engineers, and architectural communities through training and seminars.  © 2026 Mechanical Resource Group - All rights reserved - [Privacy Policy](https://www.mechanicalresource.com/policy) - [Terms](https://www.mechanicalresource.com/terms) ```json { "@context" : "https://schema.org", "@type" : "VideoObject", "caption" : { "@type" : "MediaObject", "contentUrl" : "https://www.mechanicalresource.com/media-transcripts/205587323408/en.vtt", "inLanguage" : "en", "name" : "en Captions" }, "contentUrl" : "https://20930028.fs1.hubspotusercontent-na1.net/hubfs/20930028/video_assets/205587323408/inherited/web_optimized.mp4", "dateModified" : "2026-01-21T19:38:47.633Z", "duration" : "PT41S", "height" : 1080, "name" : "January Project Highlight_Simpson Strong-Tie", "thumbnailUrl" : "https://api-na1.hubspot.com/filemanager/api/v3/files/thumbnail-redirect/205587323408?portalId=20930028&size=medium", "uploadDate" : "2026-01-21T19:38:33.234Z", "width" : 1080 } ```