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Duct Location Change Form

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DUCT LOCATION CHANGE FORM

Client Name:   Contractor Name:

Project Name:   Project Address:

Date of Request:

WHEREAS

WHEREAS, Client maintains the HVAC systems and ductwork for the Project identified above and requires formal documentation for any permanent or temporary relocation of ductwork; and

WHEREAS, Contractor is engaged to perform the relocation described herein and represents that Contractor has the skill, experience and licensing necessary to perform the work in compliance with applicable codes and Project requirements; and

WHEREAS, the parties desire to define the scope, cost, schedule and conditions under which the duct location change shall proceed.

CURRENT AND PROPOSED LOCATION

Drawings Attached: As-built plan   Sketch/field drawing   Drawing Reference No.:

SCOPE OF WORK

Work includes removal, rerouting, supports, insulation, sealing, and integration with existing HVAC equipment where required. Contractor shall comply with all applicable codes, maintain fire and smoke barrier integrity, and coordinate with other trades.

IMPACT ASSESSMENT

Structural Work Required:   Fire Damper Modification Required:   Penetration Sealing Required:

PAYMENT TERMS

Late Payment Fee:   Payments Due Within:

Change Orders: Any change in scope that impacts cost or schedule shall require a written change order signed by authorized representatives of both parties prior to performance.

TERM AND TERMINATION

Work Commencement Date:   Expected Completion Date:

Termination for Convenience: Either party may terminate this authorization on not less than days' written notice. Termination for Cause may occur immediately upon material breach that remains uncured following a 10-day cure notice unless otherwise required by law.

CONFIDENTIALITY

Each party agrees that information provided in connection with the duct location change that is designated as confidential or that reasonably should be understood to be confidential shall be held in confidence and used solely for the purpose of carrying out the work. Confidential information shall not include information that is or becomes public through no fault of the receiving party, or that is rightfully received from a third party without restriction.

Confidentiality Acknowledged:

GOVERNING LAW; ENTIRE AGREEMENT

This Form and any exhibits constitute the entire agreement between the parties with respect to the duct location change and supersede prior communications. This Form shall be governed by the laws of the state of without regard to conflict of law principles.

Severability: If any provision of this Form is held invalid, the remainder shall remain in full force and effect.

ATTACHMENTS & AUTHORIZATIONS

Client Approval Required:    Building Management Approval Required:

Certification: By signing below, each party represents and warrants that the person signing is duly authorized to execute this Form on behalf of the named party and that the party will perform its obligations in accordance with this Form.

Owner:

By:

Date:

Contractor:

By:

Date:

Enter text✕

What the Duct Location Change Form Is and When It’s Used

A Duct Location Change Form documents proposed changes to the placement or routing of HVAC ductwork within a building project. It captures existing and proposed duct layouts, dimensions, materials, and zone impacts so reviewers can confirm code compliance, fire and smoke control integrity, and coordination with structural or electrical elements. The form is commonly used by contractors, mechanical engineers, and building owners to request permit amendments, record approved field modifications, and create an auditable change history tied to project drawings and approval stamps.

Why a Clear, Complete Form Matters

Using a standardized Duct Location Change Form reduces inspection delays, clarifies responsibilities, and helps show regulatory compliance. It creates a permanent record that supports risk management, insurance claims, and later modifications while reducing costly rework on active job sites.

Why a Clear, Complete Form Matters

Which Roles Normally Complete or Review This Form

Typical users include field supervisors, mechanical contractors, design engineers, and permitting officials who need a concise, auditable change request.

  • Mechanical contractor or foreperson — prepares measurements, photos, and proposed routing for permit submission and field crews.
  • Design engineer or MEP reviewer — verifies airflow, code compliance, and interaction with fire/smoke systems before signing approvals.
  • Building owner or property manager — approves requested location changes and confirms budgetary or operational impacts.

Each party relies on the same form to keep project records consistent and to ensure that the change is authorized before work proceeds.

Who Signs and Why

Contractor

Project superintendent or licensed mechanical contractor typically signs to certify that the proposed duct relocation matches field conditions and workmanship standards. Their signature links the plan to trade responsibility, scheduling, and warranty obligations, and often triggers the permit amendment process.

Design Engineer

A registered mechanical or MEP engineer signs to confirm that changes maintain required airflow, smoke control, and fire-rating clearances. Engineer approval is frequently required for permit acceptance and may include stamped drawings or calculations attached to the form.

Record Elements and Security Considerations

Signed Copy: Record of executed change
Diagram Attachment: Scanned or CAD plan
Reviewer Notes: Inspector comments
Audit Trail: Timestamped actions
Access Controls: Role-based permissions
Data Encryption: TLS and AES-256

Consequences of an Incomplete or Incorrect Form

Permit Denial: Delay or refusal
Stop Work Order: Immediate interruption
Reinspection Fees: Additional costs
Liability Exposure: Safety and claims risk
Insurance Claim Denial: Coverage issues
Contract Disputes: Change-order disagreements

Common Pitfalls to Avoid

  • Missing or unclear scale on attached drawings causes reviewers to misinterpret distances and offsets, triggering rework or additional site visits.
  • Failing to indicate impacted fire/smoke dampers or fire-rated penetrations leads to permit rejection or safety corrections.
  • Not including existing dimensions or system IDs prevents correlation with as-built drawings and can void approvals.
  • Omitting a clear reason for the change or cost/impact notes increases the chance the request is treated as a new scope item.

Step-by-Step: Completing the Form

Follow these steps to prepare a complete Duct Location Change Form for internal approval and permitting.

  • 01
    1. Collect data: Record current layout, dimensions, and photos.
  • 02
    2. Draw proposal: Attach scaled drawing or annotated photo.
  • 03
    3. Submit for review: Send to engineer and permitting authority.
  • 04
    4. Record approval: Obtain signatures and update as-built files.

How the Change Request Moves Through Approval

A clear routing process speeds approvals and creates a traceable record for contractors and inspectors.

  • Prepare Request: Complete form and attach drawings.
  • Technical Review: Engineer checks airflow and clearances.
  • Permitting Review: Local authority confirms code compliance.
  • Final Authorization: Signatures recorded and files updated.

What a Professional Duct Location Change Form Should Include

A robust form organizes necessary technical, administrative, and approval information so reviewers can act quickly and with confidence.

Project ID

Unique project identifier, contract or permit number, and location to link the change to permit records and as-built drawings for future audits and invoicing.

Existing Conditions

Concise description of current duct routing, dimensions, materials, and system IDs so reviewers can compare the proposal with the as-built plan.

Proposed Change

Clear description of the new duct location with dimensions, elevation references, and a reason for change such as clash resolution, efficiency, or tenant request.

Drawings & Photos

Scaled sketch or CAD excerpt and site photos annotated to show the exact extent of relocation and any affected penetrations or fire/smoke devices.

Compliance Notes

References to code sections, fire/smoke damper requirements, and any insulation or material changes needed for the new routing.

Approvals

Design and contractor signatures, dates, and inspector sign-off fields to document authorization and trigger permit amendments or work release.

Typical Digital Workflow Settings for Online Submission

Configure the online workflow to capture required inputs, route reviewers, and store a tamper-evident record.

Field Configuration
Required Attachments Drawing PDF and photos
Reviewer Sequence Engineer → Inspector → Owner
Authentication Email or SMS code
Record Retention Archive signed PDF and audit trail

Sharing, Signing, and File Format Options

Choose a platform that supports common file types, role-based routing, and an auditable signature trail.

  • File formats: PDF, DOCX, CAD export
  • Integrations: Project systems and cloud storage
  • Authentication: Email, SMS, or stronger

Ensure the chosen system records timestamps, IP addresses, and preserves attachments together with the signed form for compliance and future reference.

Timing Expectations and Typical Deadlines

Timing varies by jurisdiction; plan to submit changes before scheduled work and allow time for technical and permitting review.

Submit Before Work:

File the change request prior to moving or cutting duct sections.

Engineer Review:

Expect internal review within 2–7 business days depending on workload.

Permitting Review:

Local authority review time varies; some jurisdictions take 1–4 weeks.

Inspection Scheduling:

Schedule field inspection after installation but before concealment.

Record Update:

Update as-built drawings immediately after approved changes.

Key Milestones in the Change-Approval Process

These sequential milestones show the typical lifecycle from request to final as-built update.

01

Request Submitted

Form and drawings uploaded for initial review.

02

Technical Approval

Engineer confirms performance and safety.

03

Permit Amendment

Authority updates permit or issues approval.

04

Final Inspection

Inspector verifies installation and signs off.

How This Form Differs from Related Documents

Compare the Duct Location Change Form with common alternatives to pick the correct workflow for your project.

Criteria Duct Location Change Form Change Order
Primary Purpose technical routing update contract price/scope change
Permitting Required often yes sometimes yes
Technical Detail high variable
Typical Approvers engineer/inspector owner/project manager

eSignature Vendor Pricing Snapshot (signNow first)

Basic pricing and capability differences for common e-signature providers. Check each vendor for current plan details and trial availability.

signNow DocuSign Adobe Sign PandaDoc HelloSign
Starting Price $8/user/mo $15/user/mo $14/user/mo $19/user/mo $15/user/mo
Free Trial 7-day free trial Varies Varies Varies Varies
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Frequently Asked Questions About the Duct Location Change Form

Answers to common questions about signing, filing, and correcting duct location change requests.


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