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Site Drainage Revision Form

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Site Drainage Revision Form

Parties & Project Identification

Revision Request No.:

Date Submitted:

Recitals

WHEREAS, Owner Name: is the fee owner of the property described above and has engaged Contractor Name: to perform drainage works at the Project;

WHEREAS, the parties previously executed plans and specifications for storm drainage and related site works, and the parties desire to document and authorize a revision to the drainage design and/or field construction reflecting changed site conditions, correcting an identified deficiency, or accommodating regulatory or utility requirements;

NOW, THEREFORE, in consideration of the mutual covenants set forth herein and other good and valuable consideration, the sufficiency of which is hereby acknowledged, the parties agree to the terms set forth below governing the Site Drainage Revision.

Scope of Work

Reason for Revision & Impact

Select primary reason(s) for this revision:

Changed site conditions or unforeseen field conditions

Design or plan error or omission

Regulatory or permitting requirement

Unanticipated infiltration/surface water pattern

Payment Terms

Total Revision Cost: $

Deposit Amount: $     Final Payment Due (days after completion):

Late Payment: Unpaid amounts shall accrue interest at and Contractor may suspend work after days' written notice. Owner shall be responsible for reasonable collection and legal costs.

Term and Termination

Effective Start Date: . Expected Completion Date: .

Either party may terminate this Revision Agreement for material breach if the breach remains uncured for days after written notice. Termination for convenience must be delivered in writing with at least days' advance notice. Upon termination, Contractor shall be paid for work performed and documented costs to date, subject to off-sets for Owner damages.

Confidentiality

Each party shall keep confidential all non-public technical, financial and business information disclosed in connection with this Revision. Confidential information shall not be disclosed except to employees, consultants or contractors with a need to know and who are bound by similar confidentiality obligations. Confidentiality obligations shall survive termination for a period of three (3) years.

Approvals, Permits & Attachments

Permit Required: Yes    If yes, Permit No.:

Attachments submitted with this revision (check applicable):
Revised Drawings    Cost Estimate    Site Photographs    Engineering Report

Representations & Warranties

Contractor represents that it holds all necessary licenses, permits and insurance to perform the scope described herein and that all work will be performed in accordance with applicable codes and accepted engineering practice. Contractor License No.:

Governing Law & Entire Agreement

Governing Law: This Agreement shall be governed by and construed in accordance with the laws of the State of without regard to conflict-of-law principles.

Entire Agreement: This document, including incorporated attachments and referenced drawings, constitutes the entire agreement between the parties with respect to the subject matter hereof and supersedes all prior oral or written agreements relating to the Site Drainage Revision. Any amendment must be in writing and signed by both parties.

Engineer/Owner Comments

Owner Printed Name:

By:

Date:

Contractor Printed Name:

By:

Date:

Enter text✕

What the Site Drainage Revision Form Is

The Site Drainage Revision Form documents proposed changes to an approved site drainage plan, including alterations to grading, stormwater routing, detention/retention features, pipe networks, and erosion controls. It records who requests the revision, why the change is needed, technical details of the modification, and any supporting calculations or drawings. Local permitting authorities use it to determine whether the revised design meets applicable codes, stormwater management criteria, and approved conditions of development.

Why Submitting a Formal Revision Matters

A formal revision creates a clear administrative record, enables technical review for public safety and water quality, and ensures that changes are legally bound to the approved permit. Proper documentation reduces rejection risk and helps verify compliance with municipal stormwater ordinances and site-specific permit conditions.

Why Submitting a Formal Revision Matters

Who Typically Prepares or Signs the Form

The signatory set should reflect the role needed by the jurisdiction—engineer certifications, owner approvals, and municipal acceptance are common.

  • Municipal plan reviewers and stormwater engineers who verify regulatory compliance and technical adequacy.
  • Civil engineers or licensed designers who prepare revised plans, calculations, and certification statements.
  • Property owners, developers, or general contractors who request changes to construction or post-construction drainage.

Core Sections Found on a Professional Revision Form

A complete Site Drainage Revision Form groups administrative, technical, and approval information so reviewers can process the request efficiently.

Administrative Data

Project name, address, permit number, parcel ID, applicant contact, and submission date are recorded for tracking and file association.

Revision Summary

A concise description of changes requested, the reason for revision, and the specific sheets or details affected by the amendment.

Technical Attachments

Revised plan sheets, hydraulic calculations, drainage area maps, and stormwater control details sized and referenced to the original permit.

Certification Block

Licensed professional engineer or designer declaration with signature, license number, and affidavit language when required by local code.

Review Checklist

A structured list of items reviewers must verify: flow paths, pipe slopes, inlet capacities, runoff coefficients, and erosion control measures.

Decision and Conditions

Municipal action area for approval, conditional approval, or denial including inspector notes and any required corrective actions.

Required Form Fields at a Glance

Project ID: Existing permit or project number
Location: Street address and parcel ID
Applicant: Name, company, phone
Engineer Certification: Name, license number
Revision Date: MM/DD/YYYY format
Attachments: Plan and calc filenames

Step-by-Step: Submitting a Drainage Revision

Follow these sequential steps to prepare, submit, and track a Site Drainage Revision Form to minimize review cycles.

  • 01
    Prepare materials: Assemble revised plans, calculations, and supporting reports for submission.
  • 02
    Complete the form: Enter all administrative fields, revision description, and list attachments.
  • 03
    Engineer certification: Have the licensed professional sign or e-sign and include license details.
  • 04
    Submit to authority: Deliver via the municipality’s accepted channel and obtain a tracking or confirmation number.

Configuring an Online Revision Workflow

When using an online portal, configure fields and approvals to match local review requirements to speed processing.

Field Configuration
Project ID Required, validated against permit database
Attachments PDF preferred; max file size enforced
Engineer Signature E-sign with license number field
Routing Auto-assign to stormwater reviewer

Where to File and How Routing Works

Routing depends on local procedures; use the jurisdiction’s specified intake channel to prevent misrouting and delays.

  • Municipal Portal: Upload to the city or county permitting portal where available.
  • Email Submission: Some agencies accept email to a designated reviewer address with tracked attachments.
  • In-Person Drop-off: Paper revisions accepted by some jurisdictions; obtain a stamped receipt.
  • Third-party E-filing: Consultant or permit expeditor may submit on applicant’s behalf.

Digital Signing and eSubmission Considerations

Ensure the chosen eSignature provider supports required authentication and produces a tamper-evident signed PDF for the permitting record.

  • Document formats: PDF, DOCX accepted; PDF/A preferred for signed records
  • Authentication: Email/SMS or higher-strength options for engineer identity
  • Audit trail: Timestamp, IP, and signer attribution required

Typical Timelines and Review Expectations

Timing varies by agency and complexity; plan submissions with permit office calendars and construction schedules in mind.

Initial completeness review:

5–15 business days depending on municipal workload

Technical review:

10–30 business days for engineering assessment

Resubmittal window:

Resubmit within requested timeframe, often 30–90 days

Inspection scheduling:

Inspections set after approval; allow 7–21 days

Permit amendment effective date:

Effective upon written approval or specified date on decision

Common Mistakes to Avoid

  • Omitting or misnaming attached plan sheets, causing mismatch with the revision description.
  • Failure to include licensed engineer certification, which commonly results in rejection.
  • Entering inconsistent project identifiers or addresses that prevent linkage to the original permit.
  • Submitting calculations that do not reference the same rainfall, Tc, or unit conventions used in the original review.

Consequences of Incomplete or Noncompliant Revisions

Resubmittal Delay: Additional review cycles
Work Stop Order: Project suspension risk
Civil Fines: Penalties under local code
Liability Exposure: Increased owner/contractor risk
Permit Revocation: Possible for major violations
Remediation Cost: Expense to restore compliance

Real-World Revision Scenarios

These examples illustrate typical reasons and outcomes for submitting a Site Drainage Revision Form.

Commercial Parking Lot Regrade

After field survey revealed ponding on a newly paved lot, the engineer submitted a revision to adjust slope and add inlets.

  • The change reduced concentrated runoff into an adjacent swale.
  • Municipal reviewer approved the revision with one minor detail correction and scheduled a post-construction inspection to verify the as-built elevations.

Subdivision Pipe Upsize

Developer proposed upsizing a storm pipe after a hydraulic check identified capacity concerns.

  • Upsizing required updated calculations and downstream analysis.
  • The permit was conditionally approved pending an updated maintenance agreement and a recorded easement for access to the drainage system.

Practical Tips for Efficient Revision Approvals

Apply these practical measures to reduce review time and avoid multiple resubmissions.

Consistent identifiers
Use the exact project name and permit ID to link revisions to the original approval.
Complete attachments
Include all revised sheets, calculations, and a redline that highlights changes.
Professional certification
Ensure the licensed engineer signs with license number; verify registration with the jurisdiction.
Follow local format
Adopt the municipality’s preferred file formats, naming conventions, and e-filing portal structure.

eSignature Provider Comparison for Submitting Revisions

Common eSignature providers vary by price, features, and compliance. The table below compares basic plan characteristics; signNow is listed first.

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 by vendor Varies by vendor Varies by vendor Varies by vendor
Bulk Send Yes (Business Premium) Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No

Frequently Asked Questions About Site Drainage Revisions

Answers to common procedural and technical questions about completing and submitting a Site Drainage Revision Form.


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