Specification conflicts and design resolution
How to recognise a conflict between drawings, specifications, codes, standards and maker instructions, who ranks the documents and who answers a question about them, and how to settle one in writing before any metal is cut.
4 lessons · about 48 min · 12 diagrams · 2 videos
Version 1.0.0
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Lessons
0 of 4 complete
Lesson 1 · 11 min · 11 slides · 8 questions
Specification conflicts and design resolution: principles and terminology
What a specification conflict is, where a statement lives in a section, why the contract itself ranks the documents, why a difference is reported and not decided, and where AFS sits in that chain.
You will be able to: Name the six kinds of specification conflict, say who ranks the contract documents and who answers a question about them, tell a conflict from a gap, and state what a fabricator never decides alone.
Not startedStart →Lesson 2 · 17 min · 12 slides · 16 questions
Specification conflicts and design resolution: materials, standards and design constraints
How code text changes by edition, what ES-1 and ED-1 are for, where two public guide specifications give different joint spacings and wind statements, why a gauge number is not a thickness, and which metals conflict.
You will be able to: Tell a code requirement from a test standard, a design standard, a guide specification, a manufacturer rule and AFS practice; read an edition correctly; and spot where published values for the same item disagree.
Not startedStart →Lesson 3 · 11 min · 10 slides · 7 questions
Specification conflicts and design resolution: methods and worked application
A seven-step method for turning a spotted conflict into a documented decision, with worked examples on joint spacing, thermal movement, piece length, gauge against thickness and one specification line read against AFS.
You will be able to: Run a seven-step conflict packet on a realistic edge-metal job, recording assumptions, units and the document behind every number.
Not startedStart →Lesson 4 · 9 min · 10 slides · 6 questions
Specification conflicts and design resolution: defects, verification and case study
Five defects that an unresolved conflict leaves behind, what each reviewer mark allows, a composite case study walked through the packet, and a screen to run before cutting.
You will be able to: Diagnose what an unresolved conflict looks like in a specification or a shop drawing, choose a corrective option, and document the evidence for review.
Not startedStart →
Practical task
Take one real or given edge-metal specification excerpt (a coping, fascia or gravel stop section with its drawing note) and build a conflict packet: every document with its edition, one row per requirement, each row classified, the contract's precedence clause, a check against what AFS can make, and a written query or variation for the conflict you find.
Hand in
- A document list with the edition or date of every document and the section number each one uses
- A requirement table with one row per item (metal, thickness in decimal inches, finish, length, standard and edition, performance), each marked agrees, conflicts or gap
- The contract's own precedence clause quoted, or a note that none was found and the question is asked instead
- A shop check against the AFS 10 ft standard piece, the 126 in maximum piece, the 48 in girth limit and the AFS table thicknesses, with the arithmetic shown and every assumption labelled
- A one-page query or variation quoting both lines with editions, including a side-by-side comparison where something is proposed, and a record of the answer
Rubric
| Criterion | Meets the standard when |
|---|---|
| Documents and editions | Every document is listed with its edition or date, and the section number the project uses is stated before anything is called missing. |
| Classification | Each row is marked agrees, conflicts or gap, and a gap is closed by asking for the fact, never by assuming a typical value. |
| Precedence and authority | The precedence clause of the actual contract is quoted or its absence noted, and the decision is routed to the party the contract names, not made in the shop. |
| Shop check and arithmetic | Lengths, girth and thickness are checked against the AFS limits with units, and example inputs such as a temperature swing are labelled as assumptions. |
| Written record | The query or variation quotes both lines, shows a side-by-side comparison where needed, and records who answered and when. No price appears anywhere. |