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20 Spec Section 205 Roadway and Drainage Excavation

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EXCAVATION, BACKFILL, GRADING, AND HAULING CONTRACT

THIS EXCAVATION, BACKFILL, GRADING, AND HAULING CONTRACT (“Contract”), effective as of the date of the last party to sign below, is between having an address at ("Contractor") and having an address at ("Owner").

For valuable consideration the parties hereby agree as follows:

1. SCOPE OF WORK: Contractor shall provide all labor and materials, and perform all work necessary for the completion of the residence, structure, or improvements as described in the drawings and specifications signed by both Owner and Contractor (“Project”) and more particularly described as

Such drawings and specifications are hereby made a part of this Contract. Drawings and specifications shall contain a scale drawing showing the shape, size, and dimensions of the construction and equipment together with a description of the work to be done, materials to be used, and the equipment to be used or installed.

(a) Contractor shall maintain continuous responsibility for proper placement of all bench marks, monuments and reference points and leave the trees, landscaping at the project work site reasonably undamaged.

(b) Contractor shall ensure access of workmen with concrete trucks to the foundation area by storing the topsoil and stockpile backfill taken from all excavated areas at .

(c) Excavation shall be to undisturbed soil and all material of every description existing in the excavation area to the depth of . Maximum allowable excavation grade variance will be inches over each excavated level (if more than one) to allow for rainfall and normal water drainage.

(d) Basement excavations will have approximately inches overdig of the dwelling footing dimensions and establish a degree bank slope to prevent cave-in and allow for installation of footings, foundation walls, piers, drain tile and gravel.

(e) Contractor shall remove all unsuitable earth materials, topsoil and vegetation from excavated areas receiving fill and place fill gravel in sub-grade concrete floor, patio, driveway, sidewalk, and front stoop areas as indicated on the to ensure no settlement.

(f) Contractor will use only backfill material that is reasonably free from roots, debris, rocks larger than inches in diameter and; and deposit backfill material in inch layers against foundation walls in such manner to avoid wall damage and to ensure minimum settlement.

(g) Contractor shall rough grade the dwelling project area to inches below the finished grade elevation.

(h) Contractor shall use to bring the dwelling project area to finished grade elevation that ensures proper water drainage away from the dwelling.

(i) If any rocks larger than are discovered during excavation, Contractor shall place such sized rocks in the .

(j) Contractor shall notify of unusual digging or soil conditions.

(k) Interior areas shall be backfilled as instructed by Owner to reduce settling.

(l) Owner will be responsible for providing hand labor, bracing, guard rails, fencing and other items necessary for the protection of the workmen and public.

(m) Prior to backfilling and grading Owner shall be responsible for removing all construction debris from all excavated and fill areas including but not limited to foundation and concrete flat work forming materials; dewatering, removing old materials, fences and from the site.

2. WORK SITE: The Project shall be constructed on the property of Owner located at

and more particularly described as

(hereafter "the Work Site"). Owner hereby authorizes Contractor to commence and complete the usual and customary excavation and grading on the Work Site as may be required in the judgment of the Contractor to complete the Project

3. TIME OF COMPLETION: Contractor shall commence the work to be performed under this Contract on or before and shall substantially complete the work on or before .

Contractor shall not be liable for any delay due to circumstances beyond its control including strikes, casualty, acts of God, illness, injury, or general unavailability of materials.

4. PERMITS: Contractor shall apply for and obtain such permits and regulatory approvals as may be required by the local municipal/county government, the cost thereof shall be included as part of the Project price.

5. INSURANCE: Contractor shall maintain general liability, workers compensation and builder's risk insurance.

6. SURVEY AND TITLE: If the Project is near the Owner’s property boundary, Owner will point out property lines to the Contractor. If the Owner or Contractor has any doubt about the location of the property lines, Owner shall provide Contractor with boundary stakes through a licensed surveyor. In addition, Owner shall provide Contractor documentation that Owner has title to the Work Site and shall provide Contractor copies of any covenants, conditions, or restrictions that affect the Work Site.

7. CHANGES TO SCOPE OF WORK: Owner may make changes to the scope of the work, including changes to the drawings and specifications, from time to time during the construction of the Project. However, any such change or modification shall only be made by written "Change Order" signed by both parties. Such Change Orders shall become part of this Contract. Owner agrees to pay any increase in the cost of the Project as a result of a Change Order. In the event the cost of a Change Order is not known at the time a Change Order is executed, the Contractor shall estimate the cost thereof and Owner shall pay the actual cost whether or not it is in excess of the estimated cost.

8. CONTRACT PRICE:

{COST PLUS}

Owner agrees to pay Contractor the actual cost to Contractor of materials plus the sum of $ for performing the services set forth in the scope of the work. Contractor shall be paid as follows:

OR

{FIXED FEE}

Owner agrees to pay Contractor the sum of $ for performing the services set forth in the scope of the work. Contractor shall be paid as follows:

DEPOSIT AND PROGRESS PAYMENTS (optional)

Owner will make an advance deposit in the amount of $, to be paid by (date). The amount of will be paid as a progress payment when (stage of construction at which the contractor will be entitled to collect progress payments during the course of construction under the contract).

Contractor shall furnish Owner appropriate releases or waivers of lien for all work performed or materials provided at the time the next periodic payment shall be due.

9. LATE PAYMENT/DEFAULT: A failure to make payment for a period in excess of ten (10) days from the due date shall be deemed a material breach of this Contract. If payment is not made when due, Contractor may suspend work on the job until such time as all payments due have been made without breach of the Contract pending payment or resolution of any dispute. Owner agrees to pay a late charge of 1% of all payments that are more than ten (10) days late plus interest at the rate of 1% per month.

10. DESTRUCTION AND DAMAGE: If the Project is destroyed or damaged for any reason, except where such destruction or damage was caused by the sole negligence of the Contractor or its subcontractors, Owner shall pay Contractor for any additional work done by Contractor in rebuilding or restoring the Project to its condition prior to such destruction or damage. If the estimated cost of replacing work already accomplished by Contractor exceeds 20 percent of the Contract price, either the Contractor or Owner may terminate this Contract. Upon termination by either party, Contractor shall be excused from further performance under this Contract and Owner shall pay Contractor a percentage of the Contract price in proportion to the amount of work accomplished prior to the destruction or damage.

11. ASSIGNMENT: Neither party may assign this Contract, or payments due under the Contract, without the other party’s written consent. Any such assignment shall be void and of no effect.

12. INTERPRETATION:

(a) Interpretation of Documents. The Contract, drawings, and specifications are intended to supplement one another. In the event of a conflict, the specifications shall control the drawings, and the Contract shall control both. If work is displayed on the drawings but not called for in the specifications, or if the work is called for in the specifications but not displayed on the drawings, Contractor shall be required to perform the work as though it were called for and displayed in both documents.

(b) Entire Agreement. This Contract constitutes the entire agreement of the parties. No other agreements, oral or written, pertaining to the work to be performed under this Contract exists between the parties. This Contract may only be modified only by a written agreement signed by both parties.

(c) Governing Law. This Contract shall be interpreted and governed in accordance with the laws of the State of Arizona.

13. ATTORNEYS’ FEES AND COSTS: If any party to this Contract brings a cause of action against the other party arising from or relating to this Contract, the prevailing party in such proceeding shall be entitled to recover reasonable attorney fees and court costs.

14. PERFORMANCE:

(a) Contractor may, at its discretion, engage licensed subcontractors to perform work pursuant this Contract provided Contractor shall remain fully responsible for the proper completion of the Project.

(b) All work shall be completed in a workman-like manner and in compliance with all building codes and applicable laws. To the extent required by law, all work shall be performed by individuals duly licensed and authorized by law to perform said work.

15. WARRANTY: Contractor's warranty shall be limited to defects in workmanship within the scope of work performed by Contractor and which arise and become known within from the date hereof. All said defects arising after and defects in material are not warranted by Contractor. Owner agrees to inspect the work with Contractor within day(s) following completion of each excavation, backfilling and grading and phase and make a written record of any defects. Contractor shall not be responsible for Owners’/Builders' negligence. Contractor agrees to correct immediately, weather permitting, any defects in the excavation, backfilling or grading work discovered to be due to fault of Contractor. Contractor hereby assigns to Owner all warranties on materials as provided by the manufacturer of such materials.

AGREED:

CONTRACTOR:

OWNER:

DEPOSIT AND PROGRESS PAYMENTS (optional)

Owner will make an advance deposit in the amount of $, to be paid by (date). The amount of will be paid as a progress payment when (stage of construction at which the contractor will be entitled to collect progress payments during the course of construction under the contract).

Notice to Buyer

Within two years from the earlier of the close of escrow or actual occupancy for new home or other new building construction or on completion of the specific project, you have a right to file a complaint with the registrar of contractors at http://www.azroc.gov, (602) 542-1525 1-877-MY AZROC (1-877-692-9762 (outside Maricopa County) for the commission of an act in violation of Arizona Revised Statutes section 32-1154, subsection A, below.

32-1154. Grounds for suspension or revocation of license; continuing jurisdiction; civil penalty; recovery fund award; summary suspension

A. The holder of a license or any person listed on a license pursuant to this chapter shall not commit any of the following acts or omissions:

1. Abandonment of a contract or refusal to perform after submitting a bid on work without legal excuse for the abandonment or refusal.

2. Departure from or disregard of plans or specifications or any building codes of the state or any political subdivision of the state in any material respect which is prejudicial to another without consent of the owner or the owner's duly authorized representative and without the consent of the person entitled to have the particular construction project or operation completed in accordance with such plans and specifications and code.

3. Violation of any rule adopted by the registrar.

4. Failure to comply with the statutes or rules governing social security, workers' compensation or unemployment insurance.

5. Failure to pay income taxes, withholding taxes or any tax imposed by title 42, chapter 5, articles 1 and 4 and incurred in the operation of the licensed business.

6. Misrepresentation of a material fact by the applicant in obtaining a license.

7. The doing of a fraudulent act by the licensee as a contractor resulting in another person being substantially injured.

8. Conviction of a felony.

9. Failure in a material respect by the licensee to complete a construction project or operation for the price stated in the contract, or in any modification of the contract.

10. Aiding or abetting a licensed or unlicensed person to evade this chapter, knowingly or recklessly combining or conspiring with a licensed or unlicensed person, allowing one's license to be used by a licensed or unlicensed person or acting as agent, partner, associate or otherwise of a licensed or unlicensed person with intent to evade this chapter.

11. Failure by a licensee or agent or official of a licensee to pay monies in excess of seven hundred fifty dollars when due for materials or services rendered in connection with the licensee's operations as a contractor when the licensee has the capacity to pay or, if the licensee lacks the capacity to pay, when the licensee has received sufficient monies as payment for the particular construction work project or operation for which the services or materials were rendered or purchased.

12. Failure of a contractor to comply with any safety or labor laws or codes of the federal government, state or political subdivisions of the state.

13. Failure in any material respect to comply with this chapter.

14. Knowingly entering into a contract with a contractor for work to be performed for which a license is required with a person not duly licensed in the required classification.

15. Acting in the capacity of a contractor under any license issued under this chapter in a name other than as set forth upon the license.

16. False, misleading or deceptive advertising whereby any member of the public may be misled and injured.

17. Knowingly contracting beyond the scope of the license or licenses of the licensee.

18. Contracting or offering to contract or submitting a bid while the license is under suspension or while the license is on inactive status.

19. Failure to notify the registrar in writing within a period of fifteen days of any disassociation of the person who qualified for the license. Such licensee shall have sixty days from the date of such disassociation to qualify through another person.

20. Subsequent discovery of facts which if known at the time of issuance of a license or the renewal of a license would have been grounds to deny the issuance or renewal of a license.

21. Having a person named on the license who is named on any other license in this state or in another state which is under suspension or revocation unless the prior revocation was based solely on a violation of this paragraph.

22. Continuing a new single family residential construction project with actual knowledge that a pretreatment wood-destroying pests or organisms application was either:

(a) Not performed at the required location.

(b) Performed in a manner inconsistent with label requirements, state law or rules.

23. Failure to take appropriate corrective action to comply with this chapter or with rules adopted pursuant to this chapter without valid justification within a reasonable period of time after receiving a written directive from the registrar. The written directive shall set forth the time within which the contractor is to complete the remedial action. The time permitted for compliance shall not be less than fifteen days from the date of issuance of the directive. A license shall not be revoked or suspended nor shall any other penalty be imposed for a violation of this paragraph until after a hearing has been held.

24. Prohibit, threaten to prohibit, retaliate, threaten to retaliate or otherwise intimidate any contractor or materialman from serving a preliminary notice pursuant to section 33-992.01.

Signature of Property Owner:

Signature of Contractor or Designated Representative:

OPTIONAL ADDENDUM - to be used for residential repair or replacement of damage resulting directly from a catastrophic storm in a specific area that is designated by an insurer, a licensed contractor who enters into a contract for the repair or replacement of a residential roof or other repair or replacement within the scope of Chapter 32 of the Arizona Revised Statutes with a purchaser who resides in the residence or who intends to reside in the residence after the completion of the contract shall include at least the following provision

Notice to Homeowner

You may cancel this contract at any time within seventy-two hours after you have been notified that your insurer has denied your claim to pay for the goods and services to be provided under this contract.

You may cancel this contract at any time, for any reason, within four business days after signing this contract.

If you cancel, any property traded in, any payments made by you under the contract or sale and any negotiable instrument executed by you will be returned within ten business days following receipt by the seller of your cancellation notice and any security interest arising out of the transaction will be cancelled.

If you cancel, you must make available to the seller at your residence in substantially as good condition as when received, any goods delivered to you under this contract or sale; or you may, if you wish, comply with the instructions of the seller regarding the return shipment of the goods at the seller's expense and risk.

If you do make the goods available to the seller and the seller does not pick them up within twenty days of the date of your notice of cancellation, you may retain or dispose of the goods without any further obligation. If you fail to make the goods available to the seller, or if you agree to return the goods to the seller and fail to do so, then you remain liable for performance of all obligations under the contract.

A copy of a repair estimate has been provided that includes the following disclosures:

(a) A precise description and location of all damage claimed on the repair estimate.

(b) For roofing repair or replacement, a detailed description of the work to be done including the square footage of the repair area or the replacement area.

(c) If the damaged areas are not included in the repair estimate, a specification of those areas and any reason for their exclusion from the repair estimate.

(d) Whether or not the property was inspected before the preparation of the estimate and the nature of that inspection, specifically whether the roof was physically accessed.

(e) That the contractor has made no assurances that the claimed loss will be covered by an insurance policy.

(f) That the policyholder is responsible for payment for any work performed if the insurer should deny payment or coverage for any part of the loss.

Notice of Cancellation

To cancel this transaction, mail or deliver a signed and dated copy of this cancellation notice or any other written notice, or send a telegram, to at not later than midnight of (date).

I hereby cancel this transaction.

Notes for a licensed individual or contractor who prepares a repair estimate for post-storm repair or replacement services for residential repair or replacement of damage resulting directly from a catastrophic storm in a specific area that is designated by an insurer:

A licensed contractor who enters into a contract for the repair or replacement of a residential roof or other repair or replacement within the scope of Chapter 32 of the Arizona Revised Statutes with a purchaser who resides in the residence or who intends to reside in the residence after the completion of the contract must disclose the following information to the insured owner:

  • A precise description and location of all damage claimed or included on the repair estimate.
  • Documentation to support the damage claimed on the estimate, including photographs, digital images or another medium.
  • A detailed description and itemization of any emergency repairs already completed by the contractor.
  • If damaged areas are not included in the repair estimate, a specification of those areas and any reason for their exclusion from the repair estimate.
  • A provision stating whether or not the property was inspected before the preparation of the estimate, if the contract is a contract for repair or replacement of a roof, and whether the roof was physically accessed.
  • The contractor has made no assurances that the claimed loss will be covered by an insurance policy.

If an insured owner submits a claim with the insurer for residential repair or replacement according to these provisions, the contractor may not begin work on the repair or replacement until the insurer approves or denies the claim except if the work is necessary to prevent further loss.

A person who is not licensed pursuant to this chapter and who is not exempt from licensure pursuant to this chapter may not bring a private cause of action to recover monies from a homeowner for any residential repair or replacement that the person does that's covered by ARS Section 31-1158.02.

Within ten days after a contract has been canceled according to this provision, the contractor must tender to the insured owner any payments made by the insured owner and any note or other evidence of indebtedness except that if the contractor has performed any emergency services, the contractor is entitled to receive reasonable compensation for the services if the insured owner has received a detailed description and itemization of the charges for those services.

The down payment section on the execution of a contract entered into pursuant to this section shall not require more than fifty per cent of the total contract.

Any changes, additions or deletions to the work order specified in the original contract shall be included in a written change order that is signed by the homeowner.

A contractor shall immediately notify and disclose in writing to the residential owner of a property or casualty insurance policy any cancellation of the contractor's workers' compensation coverage.

A contractor's failure to comply with this section is grounds for license suspension or revocation pursuant to section 32-1154.

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What the 20 Spec Section 205 Covers

The 20 Spec Section 205 Roadway and Drainage Excavation is a construction specification that defines requirements for excavation, roadway subgrade preparation, trenching, dewatering, bedding, backfill, and drainage structures used in public and private road projects. It describes material classifications, excavation methods, protection of adjacent utilities and pavements, allowable slopes, compaction standards, and testing procedures. The specification establishes inspection, sampling, and documentation obligations for contractors, including safety measures and erosion control, and is intended to align contract work with applicable local codes and project plans.

Why Use Section 205 on Your Project

Use the 20 Spec Section 205 Roadway and Drainage Excavation to ensure consistent construction quality, reduce rework, and meet regulatory and owner requirements for drainage and pavement performance. It clarifies contractor responsibilities, testing thresholds, and acceptance criteria for excavation-related work.

Why Use Section 205 on Your Project

Stakeholders Who Rely on This Specification

Primary users include contractors, civil engineers, testing labs, inspectors, and project owners responsible for roadway and drainage construction.

  • Contractors executing excavation, trenching, and backfill operations under project specifications.
  • Design engineers specifying materials, slopes, and drainage details in plans and bids.
  • Municipal inspectors and testing agencies verifying compaction, sampling, and compliance on site.

Core Components Defined in Section 205

Core components of the 20 Spec Section 205 define excavation classifications, compaction criteria, drainage structures, testing procedures, and documentation requirements for roadway projects.

Excavation

Defines permissible excavation depths, approved excavation methods, shoring requirements, protection of adjacent features, and procedures for unstable materials, including special handling for rock and unsuitable soils.

Subgrade

Specifies subgrade preparation, moisture conditioning, compaction targets by material type, and acceptance testing frequency to achieve uniform support for pavement and base course installation.

Drainage

Includes design and installation criteria for culverts, catch basins, storm drains, swales, and slope protection to ensure conveyance and long-term drainage performance throughout construction and final acceptance.

Materials

Lists acceptable bedding, backfill, and aggregate materials, compaction moisture limits, gradation requirements, testing frequency, and procedures for rejecting and replacing nonconforming materials on-site per project specification.

Testing

Details field and laboratory testing for compaction, gradation, and in-situ density; defines acceptance thresholds and required documentation, including certified test reports and chain-of-custody records for samples.

Documentation

Specifies submittal requirements: excavation logs, as-built drawings, test reports, daily inspection reports, corrective action records, and final acceptance documentation, including contractor certifications and geotechnical engineer sign-offs.

Essential Record Identifiers and References

Project ID: Unique identifier on all pages.
Contract Number: Owner and contractor contract reference.
Site Location: Street, city, county, state, ZIP.
Plan Sheet: Sheet number and revision date.
Inspection Log: Daily reports and tester initials.
Material Certs: Supplier certificates and lab reports.

Step-by-Step Completion Checklist

Follow this sequential checklist to complete, inspect, and document excavation and drainage work to meet Section 205 standards.

  • 01
    Review Plans: Confirm limits, grades, and utility locations.
  • 02
    Pre-Excavation: Locate utilities and set erosion controls.
  • 03
    Excavation: Excavate to specified grades; manage groundwater.
  • 04
    Testing & Backfill: Perform density tests then place approved backfill.

Configure a Digital Workflow

Configure a digital workflow for approvals, inspections, and recordkeeping that mirrors contract roles and testing checkpoints.

Field Configuration
Role Assignment Assign owner, engineer, and contractor approvers in order.
Auth Method Email link, SMS code, or enterprise SSO.
Field Types Signature, checkbox, date, photo, and numeric fields.
Retention Auto-archive signed files and audit logs.

Where to Send Completed Records

Typical submission flow for completed Section 205 excavation records to agency and project stakeholders electronically.

  • To Owner: Send final report, as-builts, and test results.
  • To Engineer: Provide daily logs, compaction tests, and corrective actions.
  • To Inspector: Upload inspection checklists and photos for acceptance.
  • To Agency: Submit permit closeout package and certified test reports.

Digital Platform Capabilities to Look For

Digital platforms should support PDF and DOCX uploads, photo attachments, timestamped audit trails, and secure AES-256 storage.

  • File Types: PDF, DOCX, JPEG accepted.
  • Integrations: Connect to Procore, NetSuite, and cloud storage.
  • Authentication: Support email, SMS, and SSO options.

Typical Timelines and Deadlines

Key timing expectations and typical deadlines for inspection, testing, and final acceptance under Section 205 specifications.

Pre-construction Submittals:

Submit submittals 14 days before work.

Notification for Inspection:

Provide 48-hour notice before each major operation.

Compaction Testing:

Perform density tests at each lift per frequency.

Final Acceptance:

Engineer review and acceptance within 14 days.

Retention Submittals:

Deliver as-built and test records at project close.

Common Preparation and Execution Errors

  • Failing to locate underground utilities accurately before excavation, resulting in delays, utility strikes, costly repairs, and potential safety hazards for workers and the public.
  • Inadequate compaction testing or use of incorrect compaction criteria causes settlement, pavement failure, and rejection of work during final acceptance.
  • Allowing improper backfill materials or poor moisture control can lead to drainage issues, subgrade weakening, and accelerated pavement deterioration.
  • Missing documentation, unsigned reports, or late test submissions prevent timely payment and create disputes during warranty or claim resolution.

Consequences of Noncompliance

Rework Costs: Contractor bears cost for nonconforming work.
Schedule Delays: Inspections failures lead to project timeline extensions.
Payment Withhold: Owner may withhold payment until corrections complete.
Regulatory Fines: Permitting agencies can issue fines for violations.
Liability Exposure: Utility strikes risk severe liability and repair costs.
Warranty Claims: Premature failure triggers warranty repairs and claims.

Who Signs and Approves Section 205 Submittals

Project Engineer

The project engineer reviews specifications, approves submittals, coordinates testing, signs acceptance certificates, and acts as technical authority between owner and contractor. They ensure compliance with compaction, drainage, and documentation requirements under Section 205 throughout construction.

Contractor Superintendent

The superintendent supervises field crews, enforces excavation limits, implements erosion controls, schedules compaction testing, corrects nonconforming work, and maintains daily logs. They are responsible for timely submissions and for ensuring materials meet the specification.

Real-world Applications

Real-world examples illustrate application of Section 205 to common excavation and drainage scenarios on roadway projects.

Municipal Road Rehab

A municipal agency adopted Section 205 on a road rehabilitation project to standardize excavations and reduce backfill-related failures across multiple contractors.

  • Compaction testing at each lift ensured uniform support.
  • The standardized requirements reduced disputes, accelerated inspections, and ensured consistent pavement performance, while making acceptance decisions straightforward and producing a complete record for warranty and future maintenance planning, including material traceability and lab reports.

Private Development

A developer used Section 205 during site preparation to align contractor testing schedules and meet stormwater permit conditions prior to vertical construction.

  • Digital submittals expedited agency review.
  • Electronic submission of daily logs, test reports, and as-built drawings shortened approval cycles, reduced paper storage needs, and provided clear evidence for lender reviews and site acceptance, simplifying final closeout.

eSignature Pricing and Feature Comparison

Compare common eSignature plan features and starting prices for document signing platforms relevant to Section 205 electronic submittals.

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 Yes, 7-day free trial Verify with vendor Verify with vendor Verify with vendor Verify with vendor
Bulk Send Yes Yes Yes Yes No
Audit Trail Yes Yes Yes Yes Yes
HIPAA Compliant Yes Yes Yes No No
Envelope Cap No cap 100 envelopes/user/year Varies/verify Varies/verify Varies/verify

Frequently Asked Questions and Troubleshooting

Frequently asked questions and troubleshooting tips for preparing, submitting, and digitally signing Section 205 excavation documentation.


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