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TAKEAWAYS AS A FIRE PROTECTION ENGINEER

What's Required to be in a Shop Drawing?

6/21/2018

 
Shop drawings (or installation drawings, fabrication drawings, or working plans) are a cornerstone of the fire protection industry. Prepared by or under the installation contractor, this design package contains the most important details concerning the design of fire sprinkler systems.

Enforceable Minimums
NFPA 13 has specific requirements to what is required for a shop drawing submittal. It is enforceable by the Authority Having Jurisdiction anywhere that NFPA 13 is used as the reference standard.

Below is a basic checklist for items that are required to be indicated in a shop drawing package, with references to whichever edition of NFPA 13 is being used. ​
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There's many items required to be included in a set of shop drawings beyond just the basic design parameters.

Don't Be A Jerk
Unfortunately I have seen these references abused - an engineer rejecting submittals for not including a graphic scale, for instance, which does nothing to improve the technical content of the submittal but does adequately upset every person involved in a project.

It is a rare submittal that achieves and includes every single aspect of the checklist (how often do you see a full-building section, for instance?). However, if you're a review party, review engineer, or shop drawing designer/engineer, this re-organized checklist with references may help clarify expectations for the design package.

Shop Drawing Checklist
When using this tool, select the edition of NFPA 13 used in the red box on the right-hand side. The references and checkboxes will autopopulate based upon your selection.

Don't see the tool below? Click here to see it.
​

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Fireman112473
6/21/2018 11:18:30 am

Don't forget to look at any local requirements. A common one that is missed is submitting drawings that are stamped by a design professional. (i.e. PE or NICET level III for example)

SPRINKLERMAN
12/11/2018 10:32:19 am

Where does it say this is required? In my opinion shop drawings should not be sealed by a professional engineer because there is already an engineer of record on the project. By requiring the shop drawings to be sealed the engineer of record is just making it confusing as to who is responsible for the design. Why would another engineer seal a drawing that he did not design. All the sprinkler contractor should be doing is coordinating. I do agree that they should be prepared under the direction of a PE or NICET level III. A stamped letter saying this should be sufficient.

Daniel Pohnert PE
7/18/2018 05:19:37 pm

Since most shop drawing come as pdf and the scale is lost in the creation of the pdf, the graphic scale is important for spacing verification since most drawing do not contain dimension for all devices.

marketing@moreoilgas.com
7/21/2018 12:25:22 am

Excellent information


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    Joseph Meyer, PE, owns/operates his own Fire Protection Engineering practice in St. Louis, Missouri. See bio on About page.

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The views, opinions, and information found on this site represent solely the author shown and do not represent the opinions of any other party, nor does the presented material assume responsibility for its use. Fire protection and life safety systems constitute a critical component for public health and safety and you should consult with a licensed professional for proper design and code adherence. Some (not all) outbound links on this website, such as Amazon links, are affiliate-based where we receive a commission for orders placed elsewhere.
  • Blog
  • Forum
  • PE Exam
    • PE Forum & Errata
    • PE Problems
    • PE Store
    • PE Tools
    • PE Prep Series
  • TOOLS
    • TOOLKIT (FREE TRIAL)
    • *TOOLKIT (PURCHASE)
    • SUBMIT AN IDEA
    • BACKFLOW DATABASE*
    • CLEAN AGENT ESTIMATOR*
    • CLOUD CEILING CALCULATOR
    • DOMESTIC DEMAND*
    • FIRE PUMP ANALYZER
    • FIRE PUMP DATABASE*
    • FIRE FLOW CALCULATOR*
    • FRICTION LOSS CALCULATOR
    • HANGER SPACER*
    • IBC TRANSLATOR*
    • K-FACTOR SELECTOR
    • NFPA 13 EDITION TRANSLATOR ('19 ONLY)
    • NFPA 13 EDITION TRANSLATOR ('99-'19)*
    • LIQUIDS ANALYZER*
    • OBSTRUCTION CALCULATOR
    • OBSTRUCTIONS AGAINST WALL*
    • PLUMBING FIXTURE COUNTS
    • REMOTE AREA ANALYZER
    • QUICK RESPONSE AREA REDUCTION
    • SPRINKLER DATABASE*
    • SPRINKLER FLOW*
    • SYSTEM ESTIMATOR*
    • TEST & DRAIN CALCULATOR
    • THRUST BLOCK CALCULATOR
    • TRAPEZE CALCULATOR
    • UNIT CONVERTER
    • VOLUME & COMPRESSOR CALCULATOR
    • WATER SUPPLY (US)
    • WATER SUPPLY (METRIC)
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