Shop drawing review checklist
In this regards, we can see to it that all the contractor submittals are in accordance to project specifications and standards.
The certifications from the local building authority is a must. The documents are not only limited to contractor licenses, but it may also include the contractor organizational chart, the project schedule, and others. Material Submittals includes all of the materials needed to use in the construction. This includes and not limited to reinforcing bars, concrete, blockwork, steel works, materials involving architectural finishes and so on and so forth.
In reviewing the material submittal, we see to it that each material they submit is in accordance to project specifications. Make sure that this has been considered before giving approval. Shop drawing includes the detailed drawing submitted by the contractor ready for construction. To review this, we see to it that all of the approved drawings has been reflected accordingly. It should be a clear and readable drawing showing the dimensions and the schedules in a manner that it can easily understand by the reader.Tweaked apps 2020
Make sure that all the measurement was followed. Method of statements is required in case of a specialty subcontractor drawings. Code A represents an approved submittal with no objection. Code B includes comments, no submission requires but this comments needs to rectified first by the contractor prior to execution.
Code C is the rejected submittals that need to rectify and resubmit for approval. You can also write your comment on the sheets itself. You can click the below image for more information. This process also gives the architect and sub-consultants the opportunity to select colors, patterns, and types of material that were not chosen prior to completion of the construction drawings.
This is not an occasion for the architect to select different materials than specified, but rather to clarify the selection within the quality level indicated in the specification and quantities shown on plans. By the way! Your email address will not be published. Leave a Comment Cancel reply Your email address will not be published.Because no engineer or architect can design every detail of a project, the design of certain elements may be delegated to you, the contractor, and those under your contractual umbrella.
This allows those with more knowledge and greater expertise to design certain components, but it can also make you liable when things go wrong. The American Institute of Architects AIA family of contracts defines shop drawings as drawings, diagrams, schedules and other data specially prepared by a distributor, supplier, manufacturer, subcontractor or contractor to show some part of the work. Submittals, which include shop drawings and other administrative documents, are how the contractor communicates what it intends to construct or what it or its subcontractors have designed.
The shop drawing review and approval process formalizes the method for a contractor to demonstrate how it will accomplish these design obligations.
The submittal process also allows the design professional to review the design and make sure they comply with the design intent. But equally important is understanding what shop drawings and submittals are not. For decades, the items constituting contract documents have remained the same and include drawings, specifications, the agreement and general conditions. Notably absent from the list are submittals and shop drawings. Contractors who understand the role submittals play in a construction project are better equipped to prevent misunderstandings and complications that impede projects.
Understanding your responsibilities in the submittal process also goes a long way in reducing your risk of lawsuits. Know your obligations. Typically the contract documents assign primary responsibility for shop drawings to the contractor and secondarily to the design professional.
As the contractor, you are obligated to review any submittal, including those of your subcontractors, for compliance with the contract documents and approve it before it is submitted to the design professional. By sending the submittal to the design professional for review, you are saying to the owner and the designer professional that you reviewed and approve of the submittal; determined and verified materials, field measurements and field construction criteria, or will do so; and checked and coordinated the information in the submittal with the contract requirements.
Several court rulings have found contractors liable for worker safety based upon the contents of a submittal. Architects are not responsible for the accuracy and completeness of details, such as dimension and quantities, installation instructions or equipment performance. Call out and notify architects of deviations from the contract documents. If the architect approves the shop drawing but does not provide the required specific documentation, the contractor remains at risk for the deviation in the submittals.
Do not perform work on the submittal without written approval. Contractors are prohibited by contract from performing any work covered by the submittal until the architect or engineer approves it. Get clarification if a change in the scope of work is based on shop drawings. Courts have differed on the role of shop drawings in cases concerning scope of work. In United States v. Henke Const. The general contractor argued that failing to approve or disapprove the shop drawings caused it damage because its installation reflected the work shown in the shop drawings and included work over and above what was called for by the contract.
However, if shop drawing review is required, the approval may affect the scope of work. Dewitt Associates, Inc. Act in good faith. To have a successful project of any complexity, the submittal process must be followed and managed.
Careful attention to the contractual obligations related to the process and attention to details in the submission and review process will provide smooth project delivery without surprises, finger-pointing or additional expenses.
Knighthouse Media N.
HVAC Shop Drawing Checklist
Michigan Ave.An architect recently asked that I give an opinion about a shop drawing and what was actually installed on a project site. The installation was consistent with the shop drawings, but inconsistent with the contract documents.
What I did not see as part of the submittal prompted this posting. This could be an extensive list, but I want to focus on some basics that every reviewer - experienced and novice - should know.Signup now!
Specifics will vary firm-to-firm and project-to-project, but the basics remain the same. Where is the transmittal?Pandora dxl 5000 code grabber
The contractor's transmittal should list the applicable specification section number, title and paragraph number and drawing detail as references for the submittal. Without a transmittal you will be guessing at the scope of work covered by the submittal.
No transmittal, no review. Did I specify the submittal? Be sure to check the specification section referenced in the contractor's transmittal to be certain the submittal was specified. If the spec section did not require the submittal be cautious. The best response is to return the submittal to the contractor without review. Document on your transmittal that the submittal is not required. Where is the contractor's review stamp? Contractors have an obligation to review and approve the submittal before sending it to the architect.
If the contractor's stamp and initials are not on the submittal, stop here and return to sender without review. The contractor's review is necessary to ensure each submittal is consistent with the subcontractor and material supplier's contracted scope of work and that the submittal is consistent with the contract documents. What are the variations from the contract documents?
The submittal should clearly indicate variations from the contract documents.
When undocumented discrepancies are discovered during review, ask the contractor to identify the differences before completing the review. Finding any undocumented deviation, may indicate there are others that are not obvious.
Do apply some discretion and common sense to these requests. Deviations from basic materials, manufacturers, models, sizes and operation are cause for concern, especially if the deviations affect aesthetics or performance. Minor deviations can be corrected by simple notation on the submittal.
Where is the substitution request? Acceptance of manufacturers and products that are not specified requires a separate substitution request. Do not review and approve submittals including substitutions without separate documentation, proving the substitution meets the intent of the construction documents.
Consider the substitution request first, independent of the submittal. When accepted, then review the submittal. Otherwise, return the submittal without review.After several hours of heated debate, they came up with 5 critical project management checkpoints to help you save time, money, and maybe even avoid a few gray hairs a diet rich in B vitamins helps with that too.
Even a tiny drawing error can snowball into a major headache later on in a project, because everybody gets their hands on shop drawings at some point:. The first phase of any project before drawings are approved is a very busy time. The project manager is usually under a lot of pressure to get shop drawings done so material can be ordered. And drawing issues are discovered when ordering materials or passing on information to the fabrication department. By this time, errors have already caused significant delays.
And — even worse — they can result in ordering the wrong materials. Mistakes are usually a results of information falling through the cracks. The best way to stop this from happening is to budget enough time to review shop drawings with our systematic checklist.
How long? It depends on the size and experience level of your team. Use your best judgement and adjust accordingly for your next project. Below is the ultimate drawing review checklist for project managers. Our team recommends starting your review with the cover sheet, then moving on to the plan views, elevations, and finally details.
Click here to download a printable version of the checklist. They rely on you to provide all the required information. MP Drafting Resources. In Drafting Service Files. Even a tiny drawing error can snowball into a major headache later on in a project, because everybody gets their hands on shop drawings at some point: The architect needs to review them, The glazing company uses them to order materials, The shop team uses them to fabricate, Installers refer to them to put windows in place, and Even the end user might need them at some point for renovations or additions.
Click here to download a printable version of the checklist 1.
Cover sheet C1 Is the job-specific information correct? Is the system and finish information correct? Is the title-block information correct? Is hardware shown correctly if required? Are glass types correctly shown and labeled? Plan Views P1, P2, etc. The entire scope of the job is represented Door swings are shown correctly 3. Elevations E1, E2, etc. Sections are shown for applicable multi-span frames 4. Details D1, D2, etc.
Details accurately represent the job scope and bid Caulking is used at correct locations e. Splice details are shown for each type used 5. Questions, Feedback, Thoughts? Do you have any drawing review tricks you could share?Drawings Review Check List.
DOC ID:. V, X, NA. Make sure that all required information is available. Check the design for interference issues. Check the design for components assembly and disassembly functionality. Check the design for stress and strain when considerable force is to be applied. Conduct thermal analysis, if applicable. Check that the general tolerance matches the part design style. Ensure manufacturability and maintainability considerations are addressed.
Any jigs needed to test the part? Any tests performed to verify the change? Revision complies with required revision? Revision table is complete with DCN details.
Pack and Bag note exists? Is correct? Relevant standards are called out correctly?Kuey teow supplier
Interference issues between parts were resolved? Scale in the block matches the actual views scale?
Engineering Drawings Review Checklist-example
Material and finish are defined? Dimension balloons exists? No duplicate dimensions? General Tolerance is defined and reasonable for the part. Corrected by:. Verified by:. Checklist ID: GD Rev: A. Page: 1 of 1. Learn more about Scribd Membership Home.
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Start Free Trial Cancel anytime. Engineering Drawings Review Checklist-example. Uploaded by jblumbe.Looking into making a stamp. Occasionally, I give the contractor my CAD's to expedite the shop drawing process, in short I say - you're approved, build it already I'm not a fool, but then when I read the articles below I thought maybe I should just keep avoid having a stamp?
I like the last one, which is what we used at parsonsbrinckerhoff. Saved us when I approved something I shouldn't have. Read the links posted - will hVe to defer to the grownups here, but it is easier to simply point to the stamp language rather than pulling out the whole contract. Instead of a stamp with all of that wording There you can spell out and define everything in a single place and there's plenty of elbow room to include all the CYA language you need or want.
Cramming lots of wording onto a stamp is not useful or efficient. Then instead of a rubber stamp and an ink pad, go to the Office Supply section of your local, neighborhood interwebs and order a box of permanent self-adhesive labels they come in any useful size you might like - the more per sheet the better.
Include as a note with the boxes and options "See contract documents under 'Submittals' for definitions and disclaimers".
Put a thing on there for a submittal log number, signature, and date "reviewed by" just so you know it's been done and when. Print off as many of the stickers as you need and stick 'em when ya need to. It beats trying to find a clear place to stamp an ink stamp on documents. If you have a color laser printer make the base "stamp" color bright blue or green or something that will be legible but will contrast with the usually black line drawing or text of the submittals you receive.
Then use a contrasting ink color to fill out the stamp - these just make it easier I've found for me to see quickly when I'm trying to track down a specific item in a pile of submittals. Then you can revise and update the "legal" definitions the mumbo-j easily in the contract docs on a project by project basis in case you miss something and haven' had things reviewed for your benefit by a lawyer.Mi povr om, me mort la vaca!
You can also quickly and easily revise or update the "stamp" graphic if you need to. If you do the stamp graphic in the computer then you can also turn it into a "stamp" in Acrobat for any PDF digital submittals you receive as well.
Saves oceans of time. If the GC doesn't use the correct language in his subcontracts, the subcontractors will not be bound to the agreement between Owner and GC. Are you checking his subcontracts? Gotta imagine this was developed by lawyers. Recently I bid a job as a subcontractor and here's a list of the prequalifications just to have my bid considered.
Prefer the first, mumbo-jumbo can be in the specs or better yet on the transmittal, I want the turd that sent them to me to read it and think. Pulled back from shop drawings in with the Hyatt bridge collapse Millwork has integrated mechanical.
The millworker gives two shits about where the supplies and returns are or if condensation or other moisture problems could occur due to location and functioning of the mechanical systems, let alone access to the mechanical if they breakdown in the future.
So you get the shops and you start laughing because they look like Mickey Mouse drew them.Mazda 626 1993 1995 wiring diagram diagram base website
Do I ask them to keep updating the drawings until I think they are right or do I just say - See the damn drawings, your shop drawings are very inadequate? Olaf - get rid of shop drawings requirements in your specs, be selective and only require them on things that are critical to the outcome.
Why look at structural steel shop drawings? Think the first stamp says it all.Many firms assign low-level staff to process shop drawings. But the practice—even if perceived as a menial duty—deprives a firm of a useful opportunity to make desired changes before the work is done.Review of Documents and Shop Drawing Submittals
Consider this: hire an outside consultant to review the drawings and note suggested changes. Before dismissing the notion as too costly, consider the benefits. Moreover, if the change is something that would have been included in the bid documents had the engineer thought of it in time, the bids would have been correspondingly higher to reflect the additional work.
Back to the subject of the independent reviewer. Such a scenario might also provide a kind of internal peer review. For example, if the reviewing engineer finds a problem, or if the two differ, they can discuss it privately and professionally.
Of course, being able to tell clients about design problems without losing their confidence is a skill that few have mastered. The key seems to be in providing solutions, not just identifying problems. A proposed contract change issued during shop drawing review, accompanied by an explanation, is bound to be less painful than blaming one another when the system does not work as intended.
In examining the whole process, there are many steps that can be enacted to save headaches. First, specifications should call for only those shop drawings the engineer believes are needed. If a contractor submits a non-required shop drawing, and the engineer reviews it anyway, he or she will likely be held responsible for having approved it. Instead, return the drawing with a memo stating that the submittal is not required by the contract and has not been reviewed, and the engineer offers no comment on it.
By taking precise action and clearly stating the basis for it, engineers can avoid confusion over whether they did review or should have reviewed the shop drawing. A second headache reliever involves insisting that contractors do their jobs. Under sections 3. Engineers should not accept submittals directly from a subcontractor or vendor.
If a submittal contains obvious errors, the engineer should return it immediately with an explanation and a requirement to resubmit once the contractor has corrected any errors. Likewise, if it looks like a contractor rubber stamped a submittal without reviewing it carefully, the engineer should return it with instructions to resubmit after the contractor has completed its review.
Documents and Shop drawing Submittals Review
Keeping a record of the errors or discrepancies in the initial submittal might facilitate review of the resubmittal. Section 3.
Engineers can still get into trouble by approving shop drawings with deviations that the contractor identified, but at least it will not be due to unknowing approval. These precautions may impact the schedule, but remember it is not the only thing that is important. A job that finishes on time but does not meet the contract requirements breeds unhappiness.
If the contractor is going to hold the designer to the review schedule, the designer should insist that the contractor prepare a schedule in advance.
Further, the designer should insist that the contractor express the schedule in terms of milestones, not specific dates. For example, the engineer might agree to process all shop drawings within 10 business days of receipt. An engineer who agrees to process shop drawings by March 15 is asking for trouble, because the contractor might not make the submittal until March 14 or even March The schedule should also address or provide the possibility that resubmittals will be required.
Integrating shop drawing review—with adequate time allowed for review—into the construction schedule at the beginning of the job and adhering to schedule commitments can help engineers defend delay claims. Shop drawings cannot change a contract.
In other words, the engineer cannot use the review to impose new requirements. That is not to say the strategy has never been tried.
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