Can this addendum be signed electronically?

Yes. Electronic signatures are legally enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most jurisdictions; exceptions such as wills and certain court filings do not apply to construction addenda.

Do I need a notary or witness?

Most construction addenda do not require notarization. If a state statute or specific contract requires notarization for recordation or lien waiver efficacy, follow that requirement; remote online notarization may be available where authorized.

What if a test fails?

Specify corrective actions and re-testing procedures in the addendum. Common remedies include removal and replacement at the subcontractor's expense or agreed unit price remediation per the change-order clause.

How do I handle price changes for extra concrete work?

Include a clear change-order process with notification deadlines, unit pricing or time-and-materials rates, and approval authority to avoid disputed invoicing.

Are contractor initials sufficient for amendments?

Initials can indicate assent for minor clarifications but are not a substitute for authorized signatures on substantive changes; require signatures from authorized signatories for amendments.

Where should I store the signed addendum?

Store executed copies in a secure project file and electronic archive with an audit trail and tamper-evident storage; maintain access controls and backup copies for claim defense.

Electronic Signature
Templates
Miscellaneous
Construction Concrete Addendum

Construction Concrete Addendum

This template is fully customizable. Edit the text, fill out the fields, and send it for signature. Give it a try!

CONSTRUCTION CONCRETE ADDENDUM

This Construction Concrete Addendum (the Addendum) is made effective as of Effective Date: by and between Contractor Name: and Owner Name: .

RECITALS

WHEREAS, Owner and Contractor entered into a Construction Contract for the Project described as Project Name: located at Project Location: ; and

WHEREAS, the parties desire to amend the Contract with respect to the concrete scope, pricing, schedule and related obligations as set forth in this Addendum; and

WHEREAS, the terms of this Addendum shall control in the event of any conflict between this Addendum and the original Contract.

SCOPE OF WORK

Detailed Concrete Scope

The Contractor's obligations under this Addendum specifically include, at minimum, the following elements (check all that apply) and any additional items described above:

Foundations and footings (excavation, formwork, reinforcement, placement, curing)

Structural slabs on grade and suspended slabs

Sidewalks, curbs and gutters

Additional Scope Details / Exclusions

PAYMENT TERMS

The parties agree that the concrete work described in this Addendum will be compensated as follows.

Total Additional Contract Sum Payment Schedule Retainage Late Payment

Any undisputed payment not received within days after written invoice shall incur a late fee of per month on the overdue balance, compounded monthly, and Contractor may suspend work after providing seven (7) days' written notice.

CHANGE ORDERS

All alterations, omissions, additions, or work beyond the Scope of Work shall be executed only upon a written Change Order signed by both parties which sets forth the scope, price adjustment (if any), and schedule adjustment (if any).

Change Order Procedure

TERM AND TERMINATION

This Addendum commences on Start Date: and will remain in effect until End Date: , unless earlier terminated in accordance with this section.

Either party may terminate this Addendum for material breach by the other party if such breach is not cured within Notice Period: days following written notice specifying the breach. Termination for convenience shall require written mutual agreement or payment for work performed to the date of termination plus reasonable demobilization costs.

INSURANCE, INDEMNITY, AND WARRANTIES

Contractor shall maintain insurance customary for concrete construction, including commercial general liability and workers' compensation, and shall provide certificates of insurance upon Owner's reasonable request. Contractor warrants that all concrete work shall conform to applicable specifications and industry standards for a period of One Year: from substantial completion.

Contractor shall indemnify, defend and hold harmless Owner, its agents and employees from claims, damages, losses and expenses arising out of Contractor's performance of the concrete work to the extent caused by Contractor's negligent acts, omissions or willful misconduct.

CONFIDENTIALITY

Each party shall treat as confidential all proprietary business information and trade secrets disclosed by the other party in connection with this Addendum and shall not disclose such information to third parties except as required for performance of the work or by law. Confidentiality obligations survive termination of this Addendum for a period of two (2) years.

GOVERNING LAW; ENTIRE AGREEMENT

This Addendum shall be governed by and construed in accordance with the laws of the State of without regard to conflict of law principles.

This Addendum, together with the underlying Contract, constitutes the entire agreement of the parties with respect to the subject matter herein and supersedes all prior and contemporaneous agreements, representations and understandings, whether oral or written. Any amendment to this Addendum must be in writing and signed by authorized representatives of both parties.

MISCELLANEOUS PROVISIONS

If any provision of this Addendum is held invalid or unenforceable, the remaining provisions shall remain in full force and effect. The parties agree to cooperate and execute such further documents as may be necessary to effectuate the intent of this Addendum.

Contractor Printed Name:

By:

Date:

Owner Printed Name:

By:

Date:

What the Construction Concrete Addendum Is and When It’s Used

A Construction Concrete Addendum is a contract attachment that defines concrete-specific scope, materials, testing, curing, sequencing, warranty, and payment adjustments for a construction project. It supplements a primary construction contract by addressing mix design, compressive strength requirements, slump limits, reinforcement, placement tolerances, testing protocols, and who pays for remedial work. The addendum clarifies subcontractor responsibilities, inspection windows, permit coordination, schedule impacts, and change-order procedures specific to concrete work, reducing disputes by making technical and administrative obligations explicit between owner, general contractor, and concrete subcontractor.

Why a Concrete Addendum Matters for Contract Clarity

A focused addendum reduces ambiguity around material specs, testing acceptance, cure times, and payment triggers for concrete work. Clear terms limit scope creep, help allocate risk for defects and delays, and provide objective criteria for inspections and change orders under the main construction contract and applicable law (ESIGN and UETA support electronic execution).

Who Typically Prepares and Signs a Concrete Addendum

Involving the right combination of parties early helps avoid disputes, shortens review cycles, and ensures enforceable expectations throughout the concrete scope.

Owner representatives and project managers who need contractual certainty on materials, testing, and acceptance criteria.
General contractors coordinating schedules, inspections, and downstream subcontractor obligations.
Concrete subcontractors and quality managers who accept technical requirements and payment terms.

Step-by-Step: How to Complete the Concrete Addendum

Follow these steps to fill and finalize the addendum so it aligns with the main contract and project specifications.

01

Identify Parties: Enter full legal names and contractor license numbers where required.
02

Define Scope: List exact pours, slabs, footings, mixes, and allowable tolerances.
03

Specify Testing: State test types, frequency, accepted labs, and failure thresholds.
04

Signatures: Ensure authorized representatives sign and date the addendum.

Core Elements to Include in a Professional Concrete Addendum

A complete addendum balances technical detail with enforceable contract language so parties share clear expectations about performance, inspection, and remedies.

Scope Definition

Detailed list of concrete items, locations, and excluded work to prevent disputes over what the subcontractor must deliver and what remains the general contractor's responsibility.

Materials and Mixes

Concrete grades, admixture limitations, allowable substitutions, and documentation requirements for batch tickets and mill certificates to ensure compliance with design intent.

Testing and Acceptance

Frequency of cylinder tests, compressive strength acceptance criteria, lab accreditation, and method for resolving disputed results including re-testing responsibilities.

Curing and Protection

Minimum cure periods, acceptable curing methods, temperature controls, and responsibility for protecting concrete from damage or premature loading.

Change Orders and Price Adjustments

Process for unforeseen conditions, unit pricing, notification timelines, and documentation needed for price increases or time extensions.

Warranties and Remedies

Warranty length, workmanship standards, remedy procedures for defects, and allocation of costs for corrective work or removal.

Essential Data Elements to Capture

Project ID: Unique project identifier

Contractor License: State license number

Mix Design: Psi/composition spec

Test Protocol: CPS/ASTM references

Payment Milestones: Retainage percentage

Signature Date: MM/DD/YYYY format

Common Consequences of an Incorrect Addendum

Payment Delays: Withheld retainage

Change Order Disputes: Unresolved scope claims

Warranty Gaps: Unclear remedial obligations

Failed Tests: Rework costs

Lien Risks: Improper waiver exposure

Schedule Impact: Project delays

Frequent Preparation Pitfalls to Avoid

Using vague material descriptions such as 'standard concrete' instead of specifying compressive strength and admixtures leads to inconsistent performance and disputes.
Failing to name the responsible party for procuring tests and paying lab fees creates ambiguity when test failures require retesting or corrective measures.
Omitting clear cure-time requirements and protection obligations increases risk of premature loading, cracking, or warranty claims for thermal or drying shrinkage.
Not aligning addendum payment milestones and retainage with the prime contract can cause payment withholding and subcontractor cashflow problems.

Typical Processing Flow for an Addendum

This sequence shows how the addendum moves from draft to acceptance alongside the main contract and project scheduling.

Draft: Prepared by contractor or owner
Review: Design and legal review
Execute: Authorized signatures applied
Distribute: Copies sent to all stakeholders

Digital Workflow Settings for Online Completion

Configure a simple digital workflow so the addendum is routed, signed, and archived with an audit trail.

Field	Configuration
Signature Order	Sequential or parallel signing
Authentication	Email link, SMS code, or KBA
Notifications	Email reminders and status alerts
Storage	Secure cloud archive with auditTrail

Selecting an eSignature Platform for the Addendum

Ensure the provider supports audit trails, optional signer authentication, and HIPAA or industry compliance where relevant; signNow lists integrations and certifications to verify technical fit.

File Types: PDF, DOCX supported
Integrations: Procore, NetSuite, SharePoint
Security: TLS 1.2/1.3, AES-256

Key Dates and Timing to Track

Track these dates to ensure testing, inspections, and payments align with contract and project schedules.

Effective Date:

Start of addendum obligations

Testing Schedule:

Dates for sample collection and reporting

Cure Periods:

Minimum protection time before loading

Payment Milestones:

Dates tied to percent complete

Warranty Start:

Date warranty obligation begins

Typical eSignature Vendor Pricing and Compliance Snapshot

Compare common plan characteristics for signing and processing construction addenda. signNow is listed first per platform comparison conventions and offers options suitable for small and large construction workflows.

	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 trial	Varies	Varies	Varies	Varies
Bulk Send	Yes	Varies	Varies	Varies	Varies
Audit Trail	Yes	Yes	Yes	Yes	Yes
HIPAA Compliant	Yes	Yes	Yes	No	No

Frequently Asked Questions About Completing a Concrete Addendum

Answers to common questions about preparation, signatures, testing clauses, and preserving enforceability of the addendum.

Need help? Contact support

Can this addendum be signed electronically?
Yes. Electronic signatures are legally enforceable under the ESIGN Act (15 U.S.C. ch. 96) and UETA in most jurisdictions; exceptions such as wills and certain court filings do not apply to construction addenda.
Do I need a notary or witness?
Most construction addenda do not require notarization. If a state statute or specific contract requires notarization for recordation or lien waiver efficacy, follow that requirement; remote online notarization may be available where authorized.
What if a test fails?
Specify corrective actions and re-testing procedures in the addendum. Common remedies include removal and replacement at the subcontractor's expense or agreed unit price remediation per the change-order clause.
How do I handle price changes for extra concrete work?
Include a clear change-order process with notification deadlines, unit pricing or time-and-materials rates, and approval authority to avoid disputed invoicing.
Are contractor initials sufficient for amendments?
Initials can indicate assent for minor clarifications but are not a substitute for authorized signatures on substantive changes; require signatures from authorized signatories for amendments.
Where should I store the signed addendum?
Store executed copies in a secure project file and electronic archive with an audit trail and tamper-evident storage; maintain access controls and backup copies for claim defense.

be ready to get more

Join over 28 million airSlate SignNow users

Sign Now