Learn About Rooftop & Ground Wind Forces for Mechanical Units
Want to learn how to design AC units on stands or curbs for wind design? Are you looking for tools to help in in design?
Engineering Resources for design & permitting for your Carrier family of HVAC units
Quick Links
Certified Engineering Evaluation Reports For Permit
Purchase sealed plans to submit with your matching Carrier family product for high wind tie down & unit integrity structural certifications needed for permit throughout the US
Carrier: 38MBRB Midea Series Outdoor Units (TER 21-41074)
$30.00 – $50.00
or ( 3 Tokens - 5 Tokens )View
Carrier: ICP DLCLRBH SERIES OUTDOOR UNITS (TER 21-41073)
$30.00 – $50.00
or ( 3 Tokens - 5 Tokens )View
Carrier: Midea DLCS Series Outdoor Units (TER 21-36635)
$30.00 – $50.00
or ( 3 Tokens - 5 Tokens )View
Support Products
Purchase certified designs for pads, stands, and design aids to assist in your project design & permitting
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PRECAST PADS: GENERATOR PAD 50 X 108 X 6 to 24 (MPS 21-36100)
$40.00 – $60.00
or ( 4 Tokens - 6 Tokens ) View -
Precast Pads: 42 x 84 x 6 Foam Core Dual Generator Pad (MPS 20-27948)
$20.00 – $30.00
or ( 2 Tokens - 3 Tokens ) View -
Precast Pads: 50 x 108 x 6 Solid Concrete Dual Pad (MPS 20-27952)
$40.00 – $60.00
or ( 4 Tokens - 6 Tokens ) View -
Precast Pads: 50 x 108 x 6 Foam Core Dual Pad (MPS 20-27951)
$40.00 – $60.00
or ( 4 Tokens - 6 Tokens ) View -
Precast Pads: 50 x 162 x 4 Foam Core Triple Pad (MPS 21-40622)
$40.00 – $60.00
or ( 4 Tokens - 6 Tokens ) View -
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12″ to 48″ Heavy Duty Foam Core Elevated Pad (MPS 21-38537)
$40.00 – $60.00
or ( 4 Tokens - 6 Tokens ) View -
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Precast Pads: Double Generator Pad 42x92x6 (MPS 21-36072)
$30.00 – $40.00
or ( 3 Tokens - 4 Tokens ) View -
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Generator Supercenter of Tampa Bay: Liquid-Cooled Generator Stands (MPS 21-36835)
$30.00 – $50.00
or ( 3 Tokens - 5 Tokens ) View -
Interactive Design Aids
Use these design tools for estimating important structural concepts such as wind pressure, pad & stand adaptation. Order certified results for permit.
Helpful Articles for Permitting
Instructions for proper use of rooftop equipment wind pressure calculator
HELP PAGE For the Engineering Express® Rooftop Equipment Wind Pressure Calculator Note: See Limitations & Conditions of Use at the end of this article. Quick
What are Limitations of Small & Large Missile Impact Designs?
We are frequently asked what are the limitations applied on Small Missile Impact and Large Missile Impact products. Engineering Express takes into consideration the following
What wind information is required for construction documents?
From the 5th, 6th &7th Edition of the Florida Building Code (2014, 2017, 2020) section 1603.1.4 as well as from section 1603.1.4. of the 2012,
Roof Mounted Equipment Height Requirements
In accordance with FBC 2020 (7th Edition), the following clearance below raised roof mounted mechanical units applies inside & outside the HVHZ*: WIDTH** OF MECHANICAL
Metal Fasteners UNC vs Spaced Thread
Overview Metal fastening is designed per the requirements of the American Institute of Steel Construction (AISC): Specification for Structural Steel Buildings in conjunction with the
About Impact Requirements & Mechanical Equipment in the Florida Building Code
Questions frequently arise as to what the rule is in Florida, Miami, and the HVHZ zone (Dade and Broward Counties, FL) under the Florida Building
Technical Evaluation Report – TER – Types of Product Evaluations Typically Performed By Engineering Express
Engineering Express provides structural design evaluations of various types of mechanical equipment exposed to weather. There are four (4) evaluation types typically performed, each with
Florida Statewide Approvals (FSA) – Quality Assurance and Validator Requirements
About Validators & Quality Assurance Compliance It is often asked of us to explain the validator and quality assurance requirements of the Florida Statewide Product
Master Plan Sheet – Product Evaluation – TER Explained
WHAT IS A MASTER PLAN SHEET / PRODUCT EVALUATION / TER? Think of a master plan sheet product evaluation, or TER (they’re all similar in
PRODUCT APPROVALS ARE NOT ALWAYS REQUIRED! HERE’S WHY:
HERE’S 3 MYTHS ABOUT PRODUCT APPROVALS: Background: Product evaluations (sometimes called “product approvals”, “ICC reports”, NOA’s or similar) for building components are the general
Case Study: Phantom Screens – Is a Florida Product Approval Required?
Product Approvals for building components are the general rule in Florida. Building officials, architects, insurance companies, even homeowners ask for them all the time, frequently
Can a Building Inspector or Plan Reviewer Deny The Use of a TER or Master Plan Sheet?
YES OR NO? While plan reviewers, inspectors, and other building officials have the authority to question any document submitted if the document complies with the
When is a Miami Dade NOA or FL Product Approval required, and how do TER’s & Master Plans Fit In?
FIRST, A WORD ABOUT FLORIDA & THE IBC Florida is one of few states leading the Product Evaluation requirement. Many other states accept documentation from
What do I do if a TER or Master Plan isn’t enough for a permit?
THE BUILDING DEPARTMENT WON’T ACCEPT MY TECHNICAL EVALUATION REPORT (TER)? Sometimes, municipalities or contract documents require more information than just submitting a TER (Technical Evaluation
How do I get a Certified TER or Master Plan Sheet?
FIRST, WHAT’S A CERTIFIED TER & Master Plan Sheet? TER’s or Technical Evaluation Reports and Master Plan Sheets must bear the original signature and raised
What doesn’t a TER or Master Plan Sheet do?
FIRST, WHAT IS A TER? TER’s or Technical Evaluation Reports are evaluation of a product’s performance. They are not intended to approve product for a
What is a TER and how is it used for permitting?
A TER or Technical Evaluation Report, is an engineering evaluation based on testing and/or rational analysis for the performance of a building product or component.
Did the wind loading requirements change for rooftop structures for ASCE 7-10 – 7-16 & The Florida Building Code?
Regarding ASCE 7-16 & the 2020 Florida Building Code (FBC) YES. Section 1609.1.1 and Chapter 35 of the 2020 FBC refer to ASCE 7-16