General Notices_ Notes and Information.pdf

Preparer’s Certification for

Specifications, Special Specifications, Special

Provisions, Estimate and Specification Data

FOR:

Asphalt Maintenance and Related Items On-Call Contract 2021 for Harris County Precinct One

UPIN 22101MF25R01

Special Note:

The following items developed per the published Construction

Drawings have been verified and included in the Purchasing

Department’s Bid Specification Package which can be located at https//harriscountytx.bonfirehub.com/portal/. The items include:

Pricing/Delivery Information

Scope of Work

Special Provision to Standard Specifications

Special Specifications

Supplement to General Requirements

Contract Time https://harriscountytx.bonfirehub.com/portal/ henmartinez Image henmartinez Typewritten Text 8/6/26 henmartinez Rectangle henmartinez Typewritten Text Alief Linear Forest Plan Phase 2 for Harris County Precinct 4

UPIN 23104MF2TX01

SCOPE OF WORK

ARPA-CPTED ALIEF LINEAR FOREST PLAN PHASE 2

HARRIS COUNTY PRECINCT 4

UPIN 23104MF2TX01

The scope of work consists of, but is not limited to, planting trees of various species and mulching to create a linear forest. Project includes site preparation, traffic control during all phases of construction including detours, clean-up, site restoration, tree maintenance and

3-year tree truck watering. The project will include a 2-year warranty period. Trees to be planted will be in medians along various roads which include S Kirkwood Rd. from High Star Dr. to

Beechnut St., Beechnut St. from S Kirkwood Rd. to Eldridge Pkwy.

Note: Trees are to be planted during the Fall 2026 planting season. The project will be awarded under two separate Purchase Orders. First PO to cover all tree planting and installation costs.

Second PO to cover 2-year tree warranty and 3-year tree truck watering.

Construction completion for the project is set for 90 calendar days.

July 2026

GENERAL NOTICE TO CONTRACTORS

In accordance with Texas Local Government Code § 262.025(d), a minimum of 25% of the work to be performed on this project shall be performed by the Bidder.

Special Notice: By law, the original price on firm fixed price contracts may not be increased by more than 25%. The original price may not be decreased by 18% or more without the consent of the contractor. Please monitor additions to your contract -additions in excess of 25% will not be paid under any circumstances.

On public works projects, all contractors shall supply a list of all suppliers and subcontractors with addresses and phone numbers, prior to work commencing.

At the time of the scheduled preconstruction meeting, the successful bidder shall supply to the County a list of representatives signed by an Officer of the Company who are authorized to sign official documents, i.e., Purchase Orders, Change Orders, Final Estimates, etc.

In determining who is a responsible bidder, Harris County may take into account the past performance of the bidder on Harris County projects. Commissioners Court adopted a written definition and criteria for determining the performance of a contractor which may be considered in determining the responsibility of a bidder.

Harris County is using an internet-based Construction Program Management Software, e-Builder to maintain consistent administrative and technical control for its projects throughout the County. The Contractor is required to use e-Builder on this project in accordance with procedures provided by the County.

At no cost to the Contractor, the County will provide system login account(s) and provide training for Contractor personnel. The Contractor must update e-Builder with any new or changed information within 24 hours of that information becoming known to Contractor. The Contractor must have access to a computer with internet access and a scanner to use eBuilder.

NOTICE TO CONTRACTORS

ON STORM WATER QUALITY AND

ENVIRONMENTAL ISSUES

In addition to the regulatory requirements stated in the General Conditions, the Contractor shall recognize and comply with the following:

SECTION 1. STORM WATER POLLUTION PREVENTION PLANS

A. COVERAGE

Coverage under the Texas Pollutant Discharge Elimination System (TPDES)

General Permit TXR150000 for storm water discharges associated with construction activities is required for a project that disturbs 1 acre or greater (or is a part of a larger common plan of development with the potential to disturb 1 acre or greater). Coverage requires the preparation, implementation, inspection, and maintenance of a Storm Water Pollution Prevention Plan (SWPPP), in accordance with the TPDES General Permit.

B. PROJECT CLASSIFICATION

This project is classified as one of three categories listed below. The

Contractor shall be responsible for the storm water quality items, accordingly.

1. “Construction Sites That Do Not Require TPDES General Permit

Coverage” The project disturbs less than 1 acre (and is not part of a common plan of development with the potential to disturb 1 acre or more); therefore, coverage under the TPDES General Permit is not required. However, the Contractor shall implement good housekeeping measures to minimize the potential for pollutants, associated with the construction activities, to enter the storm sewer system. Item 725, “General Source Controls”, shall be implemented by the Contractor, as well as any other erosion, sedimentation, and pollution controls shown in the plans and project manual.

or

2. “Small Construction Sites”

The project disturbs 1 acre or more, but less than 5 acres, (or is part of a common plan of development with the potential to disturb 1 acre or more);

therefore, coverage under the TPDES General Permit is required. The Contractor shall implement, inspect, and maintain the Storm Water Pollution Prevention Plan shown in the plans and project manual.

Certification of a TCEQ Small Construction Site Notice (CSN) in accordance with Part II.E.2 of the TPDES General Permit is required. The Contractor, as a primary operator, as defined by TPDES General Permit, shall certify one Construction Site Notice (CSN) and provide this to Harris County at the time that the contract is awarded. Harris County (owner), as primary operator, as defined by TPDES General Permit, shall certify a second Construction Site Notice (CSN) at the time the contract is awarded. After the project is awarded, Harris County shall provide copies of the two certified Construction Site Notices (CSN) to the Contractor, and send copies to the local storm sewer operator for notification purposes. Prior to commencing construction activities, the Contractor shall laminate and post the notices on the project site in a location where they are readily available for public viewing. The Contractor shall maintain the posted notices until after completion of the construction activities and final stabilization of the project site as defined by the TPDES General Permit. When the project is completed and stabilization is achieved, as defined by the TPDES General Permit, then the Contractor shall note the date that the Small Construction Site Notice was removed from the project site. A copy of the completed Small Construction Site Notice shall be provided to the Engineer with the SWPPP records. The County shall then notify the local storm sewer operator that storm water associated with construction activities is no longer being discharged from the site.

3. “Large Construction Sites”

The project disturbs 5 acres or greater (or is part of a common plan of development with the potential to disturb 5 acres or more); therefore, coverage under the TPDES General Permit is required. The Contractor shall implement, inspect, and maintain the Storm Water Pollution Prevention Plan shown in the plans and project manual. Certification of a Notice of Intent (NOI) in accordance with Part II.E.3 of the TPDES General Permit is required and shall be completed in accordance with Harris County Specification Item Number 700. The Contractor shall not commence with any earth disturbing activities on the project site until:

• at least seven (7) days after submittal of the NOI (Harris County & Contractors) via U.S. Postal Service, or if Utilizing electronic submittal, prior to commencing construction activities,

• copies of signed NOI’s are submitted to any municipal separate storm sewer system (MS4) receiving discharge, at least seven (7) days prior to commencing construction activities. Contractor shall list in the SWPPP the names and addresses of all MS4 operators receiving a copy.

• copies of the Certified NOI’s are posted in a publicly accessible location (copies shall be laminated or placed in weather resistant display case),

• and copies (Harris County & Primary Contractors) of construction site notice for large sites (CSN) are posted in a publicly accessible location. After construction activities are complete and final stabilization is achieved (as defined by the TPDES General Permit), the Contractor shall certify one Notice of Termination (NOT) form and provide it to Harris County. Harris County shall certify a second NOT form. Harris County shall submit the two NOTs to the TCEQ and the local storm sewer system operator. After the NOTs have been submitted to the TCEQ, then the Contractor shall remove all temporary SWPPP controls, cease SWPPP inspections, and deliver copies of all SWPPP records to the Engineer who shall archive them for a minimum of three years. The final payment to the Contractor may be held until all SWPPP records are received by the Engineer.

SECTION 2. STORM WATER QUALITY MANAGEMENT PLANS

A. COVERAGE

If this project meets the definition of “new development” or “significant redevelopment” as defined in the Harris County regulations or City of Houston ordinance on storm water quality and the project is not “grandfathered” or “exempt” as defined by the regulation or ordinance, then a Storm Water Quality Management Plan (SWQMP) is required for the project, as shown in the construction plans.

B. CLASSIFICATION

This project is classified as one of three categories listed below. The Contractor shall be responsible for the storm water quality items, accordingly.

1. “SWQ Permit Within Unincorporated Harris County”

If a Storm Water Quality Management Plan with permanent storm water quality controls is shown in the construction plans and the project is located in unincorporated Harris County, then a Storm Water Quality Management Plan is required prior to the start of construction. Prior to the start of construction, the Engineer shall submit the plans and Written Storm Water Quality Management Plan to the Harris County Permits Group and obtain the necessary signatures acknowledging acceptance of the Storm Water Quality Management Plan. The Contractor shall construct the SWQMP structural controls in accordance with the construction plans, and maintain the SWQMP structural controls until completion of the project and until the Engineer can certify that the SWQMP structural controls are constructed in accordance with the plans.

2. “SWQ Permit Within City of Houston” If a Storm Water Quality Management Plan with permanent storm water quality controls is shown in the construction plans and the project is located in the jurisdiction of the City of Houston, then a Storm Water Quality Management Permit is required prior to the start of construction.

Prior to the start of construction, the Engineer shall submit to the City of Houston the construction plans, the City of Houston Storm Water Quality Management Plan Application for Permit, and all other related documents shown on the permit application and obtain the Storm Water Quality Management Permit. Prior to the start of construction, the Contractor shall post a performance bond to the City of Houston for the construction of the storm water quality structural controls. The Contractor shall post a copy of the issued permit on the project site, construct the SWQMP structural controls in accordance with the construction plans, and maintain the SWQMP structural controls until completion of the project and until the Engineer can certify that the SWQMP structural controls are constructed in accordance with the plans.

The Engineer shall submit the Storm Water Quality Permit As-built Certificate to the City of Houston and Harris County shall begin implementation of the SWQMP.

3. “Grandfathered or Exempt from SWQ Permit” or “Storm Water Quality

Bank” If a Storm Water Quality Management Plan, or permanent storm water quality feature, is not shown in the construction plans, then a Storm Water Quality Management Permit is not required prior to the start of construction because it is grandfathered, exempt, or has provided storm water quality measures through the Storm Water Quality Bank.

SECTION 3. OTHER ENVIRONMENTAL ISSUES

A. BIOLOGICAL ISSUES

In accordance with requirements under the federal Migratory Bird Treaty Act, if in the course of construction, a bird rookery, an identified special migratory bird habitat, or a nesting site is discovered on the project site, then the Contractor shall cease work in the area and immediately notify the Engineer.

In accordance with the Federal Endangered Species Act and the Texas Parks and Wildlife Code, if a biological mitigation plan for specially protected flora and fauna species has been provided within the construction plans, then the Contractor shall comply with all requirements noted within the plan.

B. WATERS OF THE UNITED STATES INCLUDING ADJACENT WETLANDS

In accordance with Section 404 and Section 401 of the Clean Water Act and Section 10 of the Rivers and Harbors Act, waters of the United States including adjacent wetlands shall not be impacted by the Contractor unless a Department of the Army Permit has been obtained from the U.S. Army Corps of Engineers for the project.

If Harris County has obtained a Department of the Army Permit for this project, a copy of the permit is provided in the project manual. The Contractor shall comply with all requirements of the Department of the Army Permit. The Contractor shall not impact any waters of the United States and adjacent wetlands greater than the area and volume shown in the permit. If the Contractor impacts waters of the United States including adjacent wetlands on the project site that exceeds the area and volume shown in the permit, then the Contractor shall be responsible for any violations that may be issued by the regulatory agencies. If the Contractor deems it necessary to impact waters of the United States including adjacent wetlands that exceed the permit, then the Contractor must first notify the Engineer and the Engineer may obtain the necessary regulatory clearances prior to allowing the additional impacts to occur.

During construction of the project, if the Contractor uses off-site areas (not owned by Harris County) for placement of borrow material, disposal of construction debris, staging of construction materials, usage as a field office, or other types of construction related activities, then the Contractor shall be solely responsible for obtaining all environmental permits for the off-site activity, as well as providing all environmental controls and compensatory mitigation requested by the permitting agency. If a regulatory violation occurs as a result of this off-site activity, then the Contractor shall be solely responsible for this violation.

C. STATE OWNED SUBMERGED LANDS

The Contractor shall not impact submerged lands regulated under the authority of the Texas General Land Office, or other local agency, without an easement agreement. If an easement agreement is necessary for the construction activities, then the easement agreement shall be obtained by Harris County.

D. CULTURAL RESOURCES

In accordance with the National Historic Preservation Act and the Antiquities Code of Texas, the Contractor shall not remove or disturb, or cause or permit to be removed or disturbed, any historical, archeological, architectural, or other cultural artifacts, relics, vestiges, remains, or objects of antiquity from the project site. In the event that such items are discovered on the project during construction activities, the Contractor shall immediately notify the Engineer. The site and the potentially significant material shall be protected by the Contractor from further disturbance until a professional examination of them can be made and/or until clearance to proceed with construction has been provided by the Engineer.

E. HAZARDOUS AND PETROLEUM SUBSTANCES

If during the course of construction, the Contractor discovers hazardous or petroleum substances or wastes on the project site, then the Contractor shall immediately cease work in the area and remove all personnel from the area. The contractor shall temporarily close the area to the public, as well; temporary fencing or caution tape shall be installed around the area. The Contractor shall notify the Engineer immediately. Work in the area shall not be permitted until the Engineer has determined that safety and environmental issues have been properly addressed.

NOTICE OF SPECIFICATIONS

For the construction of this project, the Contractor shall use the attached Special Provisions, Special Specifications, and Harris County Engineering Department (HCED) Specifications Book – 2023 Harris County Standard Specifications for the Construction of Roads and Bridges, effective date October 10, 2023. The current HCED specifications may be found at the HCED website: https://www.eng.hctx.net/Consultants/Standards- Specifications/Standard-Engineering-Design-Specifications

When applicable, the Contractor shall use the Harris County Flood Control District (HCFCD) 2020 Standard Specifications Book. The current HCFCD specifications may be found at the HCFCD website: https://www.hcfcd.org/Resources/Technical-Manuals/Standard- Specifications-Related-Drawings?folderId=15985&view=gridview&pageSize=10

When applicable, the Contractor shall also use the Texas Department of Transportation (TxDOT) 2014 Standard Specifications Book. The current TxDOT specifications may be found at the TxDOT website: https://www.txdot.gov/business/resources/txdot-specifications.html

When applicable, the Contractor shall also use the City of Houston (COH) Standard Specifications. The current COH specifications may be found at the COH website:

https://www.houstonpermittingcenter.org/office-city-engineer/design-and-construction-standards https://oce.harriscountytx.gov/Portals/43/Documents/2023-Standard%20Specifications/HCED-EN0-SS-001-00-C_Standard%20Specifications%2010.26.2023%20(Final).pdf https://oce.harriscountytx.gov/Portals/43/Documents/2023-Standard%20Specifications/HCED-EN0-SS-001-00-C_Standard%20Specifications%2010.26.2023%20(Final).pdf https://www.hcfcd.org/Resources/Technical-Manuals/Standard-Specifications-Related-Drawings?folderId=15985&view=gridview&pageSize=10 https://www.hcfcd.org/Resources/Technical-Manuals/Standard-Specifications-Related-Drawings?folderId=15985&view=gridview&pageSize=10 https://www.txdot.gov/business/resources/txdot-specifications.html https://www.txdot.gov/business/resources/txdot-specifications.html https://www.houstonpermittingcenter.org/office-city-engineer/design-and-construction-standards https://www.houstonpermittingcenter.org/office-city-engineer/design-and-construction-standards

ALIEF LINEAR FOREST

2022 STANDARD SPECIFICATON MEASUREMENT AND PAYMENT

01270-1

SECTION 01270

MEASUREMENT AND PAYMENT

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Procedures for measurement and payment plus conditions for nonconformance assessment and nonpayment for rejected Products.

1.02 AUTHORITY

A. Measurement methods delineated in Specification sections are intended to complement criteria of this Section. In event of conflict, requirements of the Specification section shall govern.

B. Project Manager will take all measurements and compute quantities accordingly.

C. Assist by providing necessary equipment, workers, and survey personnel.

D. Measurement and Payment paragraphs are included only in those Specification sections of Division 01 where direct payment will be made. Include costs in the total bid price for those Specification sections in Division 01 that do not contain Measurement and Payment paragraphs.

1.03 UNIT QUANTITIES SPECIFIED

A. Quantity and measurement estimates stated in the Agreement are for contract purposes only. Quantities and measurements supplied or placed in the Work and verified by

Project Manager will determine payment as stated in Article 9 of Document 00700 -

General Conditions.

B. When actual work requires greater or lesser quantities than those quantities indicated in

Document 00410 – Bid Form, provide required quantities at Unit Prices contracted, except as otherwise stated in Article 9 of Document 00700 - General Conditions.

1.04 MEASUREMENT OF QUANTITIES

A. Measurement by Weight: Reinforcing steel, rolled or formed steel or other metal shapes are measured by CRSI or AISC Manual of Steel Construction weights. Welded assemblies are measured by CRSI or AISC Manual of Steel Construction or scale weights.

B. Measurement by Volume:

1. Stockpiles: Measured by cubic dimension using mean length, width, and height or thickness.

01270-2

2. Excavation and Embankment Materials: Measured by cubic dimension using average end area method.

C. Measurement by Area: Measured by square dimension using mean length and width or radius.

D. Linear Measurement: Measured by linear dimension, at item centerline or mean chord.

E. Stipulated Price Measurement: By unit designated in the Agreement.

F. Other: Items measured by weight, volume, area, or linear means or combination, as appropriate, as completed item or unit of the Work.

G. Measurement by Each: Measured by each instance or item provided.

H. Measurement by Lump Sum: Measure includes all associated work.

1.05 PAYMENT

A. Payment includes full compensation for all required supervision, labor, Products, tools, equipment, plant, transportation, services, and incidentals; and erection, application or

Installation of an item of the Work; and Contractor's overhead and profit.

B. Total compensation for required Unit Price work shall be included in Unit Price bid in

Document 00410 – Bid Form. Claims for payment as Unit Price work, but not specifically covered in the list of Unit Prices contained in Document 00410 – Bid Form, will not be accepted.

C. Interim payments for stored materials will be made only for materials to be incorporated under items covered in Unit Prices, unless disallowed in Document 00800 -

Supplementary Conditions.

D. Progress payments will be based on Project Manager's observations and evaluations of quantities incorporated in the Work multiplied by Unit Price.

E. Final payment for work governed by Unit Prices will be made on the basis of actual measurements and quantities determined by Project Manager multiplied by the Unit Price for work which is incorporated in or made necessary by the Work.

1.06 NONCONFORMANCE ASSESSMENT

A. Remove and replace work, or portions of the Work, not conforming to the Contract documents.

01270-3

1.07 NONPAYMENT FOR REJECTED PRODUCTS

A. Payment will not be made for any of the following:

1. Products wasted or disposed of in an unacceptable manner.

2. Products determined as nonconforming before or after placement.

3. Products not completely unloaded from transporting vehicles.

4. Products placed beyond lines and levels of required work.

5. Products remaining on hand after completion of the Work, unless specified otherwise.

6. Loading, hauling, and disposing of rejected Products.

PART 2 PRODUCTS - Not Used

PART 3 EXECUTION - Not Used

END OF SECTION

2022 STANDARD SPECIFICATION SUBMITTAL PROCEDURES

01330-1

SECTION 01330

SUBMITTAL PROCEDURES

A. Submittal procedures for:

1. Schedule of Values

2. Construction Schedules and Cash Flow Curve (billing forecast).

3. Shop Drawings, Product Data and Samples

4. Operations and Maintenance (O&M) Data

5. Manufacturer's Certificates

6. Construction Photographs

7. Project Record Documents and monthly certification.

8. Video Tapes

9. Design Mixes

1.02 SUBMITTAL PROCEDURES

A. Scheduling and Handling:

1. Submit Shop Drawings, data and Samples for related components as required by

Specifications and Project Manager.

2. Schedule submittals well in advance of need for construction Products. Allow time for delivery of Products after submittal approval.

3. Develop submittal schedule that allows sufficient time for initial review, correction, resubmission and final review of all submittals. Allow a minimum of

30 days for initial review. Project Manager will review and return submittals to

Contractor as expeditiously as possible but time required for review will vary depending on complexity and quantity of data submitted.

01330-2

4. Project Manager’s review of submittals covers only general conformity to

Drawings, Specifications and dimensions that affect layout. Contractor is responsible for quantity determination. No quantities will be verified by Project

Manager. Contractor is responsible for errors, omissions or deviations from

Contract requirements; review of submittals does not relieve Contractor from the obligation to furnish required items in accordance with Drawings and

Specifications.

5. Submit five copies of documents unless otherwise specified.

6. Revise and resubmit submittals as required. Identify all changes made since previous submittal.

7. Assume risk for fabricated Products delivered prior to approval. Do not incorporate Products into the Work, or include payment for Products in periodic progress payments, until approved by Project Manager.

B. Transmittal Form and Numbering:

1. Transmit each submittal to Project Manager with Transmittal letter which includes:

a. Date and submittal number

b. Project title and number

c. Names of Contractor, Subcontractor, Supplier and manufacturer

d. Identification of Product being supplied

e. Location of where Product is to be Installed

f. Applicable Specification section number

2. Identify deviations from Contract documents clouding submittal drawings.

Itemize and detail on separate 8-1/2 by 11-inch sheets entitled "DEVIATIONS

FOR ." When no deviations exist, submit a sheet stating no deviations exist.

3. Have design deviations signed and sealed by an appropriate design professional, registered in the State of Texas.

4. Sequentially number transmittal letters beginning with number one. Use original number for resubmittals with an alphabetic suffix (i.e., 2A for the first resubmittal of submittal 2, or 15C for third resubmittal of submittal 15, etc.). Show only one type of work or Product on each submittal. Mixed submittals will not be accepted.

01330-3

C. Contractor's Stamp:

1. Apply Contractor's Stamp certifying that the items have been reviewed in detail by Contractor and that they comply with Contract requirements, except as noted by requested variances.

2. As a minimum, Contractor's Stamp shall include:

a. Contractor's name

b. Job number

c. Submittal number

d. Certification statement Contractor has reviewed submittal and it is in compliance with the Contract

e. Signature line for Contractor

D. Submittals will be returned with one of the following Responses:

1. "ACKNOWLEDGE RECEIPT" when no response and resubmittal is required.

2. "NO EXCEPTION" when sufficient information has supplied to determine that item described is accepted and that no resubmittal is required.

3. "EXCEPTIONS AS NOTED" when sufficient information has been supplied to determine that item will be acceptable subject to changes, or exceptions, which will be clearly stated. When exceptions require additional changes, the changes must be submitted for approval. Resubmittal is not required when exceptions require no further changes.

4. "REJECTED-RESUBMIT" when submittal does not contain sufficient information, or when information provided does not meet Contract requirements.

Additional data or details requested by Project Manager must be submitted to obtain approval.

1.03 MANUFACTURER'S CERTIFICATES

A. When required by Specification sections, submit manufacturers' certificate of compliance for review by Project Manager.

B. Place Contractor's Stamp on front of certification.

C. Submit supporting reference data, affidavits, and certifications as appropriate.

D. Product certificates may be recent or from previous test results, but must be acceptable to

Project Manager.

01330-4

1.04 DESIGN MIXES

A. When required by Specification sections, submit design mixes for review.

B. Place Contractor's Stamp, as specified in this section, on the front of each design mix.

C. Mark each mix to identify proportions, gradations, and additives for each class and type of mix submitted. Include applicable test results from samples for each mix. Perform tests and certifications within 12 months of the date of the submittal.

D. Maintain copies of approved mixes at mixing plant.

1.05 CHANGES TO CONTRACT

A. Changes to Contract may be initiated by completing a Request for Information form.

Project Manager will provide a response to Contractor by completing the form and returning it to Contractor.

1. If Contractor agrees that the response will result in no increase in cost or time, a

Minor Change in the Work will be issued by Landscape Architect.

2. If Contractor and Project Manager agree that an increase in time or cost is warranted, Project Manager will forward the Request for Proposal for negotiation of a Change Order.

PART 3 EXECUTION - Not Used

2022 STANDARD SPECIFICATION WASTE MATERIAL DISPOSAL

01576-1

SECTION 01576

WASTE MATERIAL DISPOSAL

A. Disposal of waste material and salvageable material.

1.02 SUBMITTALS

A. Conform to requirements of Section 01330 - Submittal Procedures.

B. Obtain and submit disposal permits for proposed disposal sites, if required by local ordinances.

C. Submit copy of written permission from property owner, with description of property, prior to disposal of excess material adjacent to Project. Submit written and signed release from property owner upon completion of disposal work.

D. Describe waste materials expected to be stored on-site and a description of controls to reduce Pollutants from these materials, including storage practices to minimize exposure of materials to storm water; and spill prevention and response measures in the Project's Storm Water Pollution Prevention Plan (SWPPP). Refer to Section

01410 - TPDESRequirements.

PART 3 EXECUTION

3.01 SALVAGEABLE MATERIAL

A. Excavated Material: When indicated on Drawings, load, haul, and deposit excavated material at location or locations shown on Drawings outside limits of Project.

2022 STANDARD SPECIFICATION WASTE MATERIAL DISPOSAL

01576-2

B. Base, Surface, and Bedding Material: Load shell, gravel, bituminous, or other base and surfacing material designated for salvage into City trucks.

C. Pipe Culvert: Load culverts designated for salvage into City trucks.

D. Other Salvageable Materials: Conform to requirements of individual Specification

Sections.

E. Coordinate loading of salvageable material on City trucks with Project Manager.

3.02 EXCESS MATERIAL

A. Remove and legally dispose of vegetation, rubble, broken concrete, debris, asphaltic concrete pavement, excess soil, and other materials not designated for salvage from job site.

B. Excess soil may be deposited on private property adjacent to Project when written permission is obtained from property owner. See Paragraph 1.02 D above.

C. Verify floodplain status of any proposed disposal site. Do not dispose of excavated materials in area designated as within 100-year and 500-year Standard Flood Hazard

Areas unless "Development Permit" has been obtained. Remove excess material placed in "100-year and 500-year Standard Flood Hazard Areas" within the County without

"Development Permit", at no additional cost to the County.

D. Remove waste materials from site daily, in order to maintain site in neat and orderly condition.

2022 STANDARD SPECIFICATION TREE PLANTING

02915-1

SECTION 02915

TREE PLANTING

1.01 DESCRIPTION OF WORK

A. This section specifies the requirements and standards for planting trees using a mechanical tree spade and container grown trees.

1.02 MEASUREMENT AND PAYMENT

A. Unit Price per tree.

1. Payment for tree planting is on unit price basis for each tree planted. Cost of watering during maintenance period for trees not served by irrigation system shall be a separate payment item listed in the bid sheet.

2. When shown on Drawings or directed by Landscape Architect to remove and relocate tree affected by trench zone, work shall be paid for under one of the following bid items.

a. Bid item "Remove and Relocate Tree" includes moving tree with truck mounted tree spade and replanting same tree in new location. Payment is for each tree removed and relocated.

b. Bid item "Remove, Temporary Store and Replant Tree" includes moving tree with truck mounted tree spade and replanting tree at temporary location, (determined by Contractor) maintaining tree until construction is complete and replanting same tree back to its original location. Payment is for each tree removed, stored and replanted.

3. Refer to Section 01270 – Measurement and Payment for unit price procedures.

B. Stipulated Price (Lump Sum). If Contract is Stipulated Price Contract, payment for work in this Section is included in total Stipulated Price.

1.03 REFERENCES

A. ANSI Z 60.1 - Nursery Stock.

02915-2

1.04 SUBMITTALS

A. Submittals shall conform to requirements of Section 01330-Submittal Procedures.

B. Submit physical address for location of trees. Trees shall be tagged in field for transplanted trees, and at the nursery for container trees, for inspection by Landscape

Architect or Project Manager or Precinct Forester. Tag shall be securely attached to branch, shall be waterproof, and shall legibly bear designation of botanical and common name.

Submit right of entry agreement for Landscape Architect or Project Manager or Precinct

Forester to access tree farm or nursery in order to inspect trees.

C. Submit following documentation for Compost to be utilized:

1. Feedstock by percentage in the final compost.

2. Documentation that the compost meets federal and state health and safety regulations.

3. Documentation that the composting process has met time and temperature requirements.

4. Copy of producer’s STA certification.

5. Copy of the current TCEQ compliance statement signed by facility manager for any biosolids compost utilized.

1.05 QUALITY ASSURANCE

A. Transplanted trees shall be planted by a contractor specializing in tree spade planted trees.

The contractor shall have a minimum of 8 years experience in planting trees with truck mounted tree spades. The contractor shall have immediate access to required trees in a tree farm/field located within 40 miles of project site. Container trees shall be planted by

Landscaping firm with a minimum of 3 years experience in planting container grown trees.

B. Substitutions of specified tree species and sizes, and tree spade and container size shall not be made without written approval from Landscape Architect or Project Manager .

When specified planting material is not obtainable, submit proof on non-availability together with proposal for use of equivalent material. Substitutions of larger size than specified will be allowed, provided it meets requirements article 2.01 of this section, but shall be provided at no additional cost to owner.

02915-3

1.06 WARRANTY

A. Contractor shall warrant trees against defects including death, unsatisfactory growth, or loss of shape due to improper pruning, maintenance, or lack of moisture, for 2 year after completion of construction (substantial completion). Contractor shall plumb leaning trees during warranty period.

B. Remove and replace trees found to be dead during warranty period. Remove and replace trees which have more than 40% twig and/or foliage dieback or are in doubtful condition at the end of warranty period, or if approved by Landscape Architect or Project Manager extend warranty period for such trees for a full growing season. Any trees that are required to be replaced under warranty shall be replaced at no addition cost to owner.

PART 2 PRODUCTS

2.01 TREES

C. Provide trees which are straight and symmetrical and have persistently preferred main leader. Co-dominant or dual leaders will not be allowed or accepted. Trees with a significant number of v-crotches, or trees with major branches that have v-crotches will not be allowed or accepted. The crown shall be in good overall proportion to the entire height of the tree. The minimum crown spread and height shall conform to the following standards for each tree:

1. Transplant Trees:

a. 3” diameter tree shall have a minimum canopy spread of 50” diameter, total tree height of 8 feet, and canopy height of 5 feet.

b. 4” diameter tree shall have a minimum canopy spread of 70” diameter, overall tree height of 10 feet, and a canopy height of 6.5 feet.

c. 5” diameter tree shall have a minimum canopy spread of 90” diameter, overall tree height of 12 feet, and a canopy height of 8

d. 7” diameter tree shall have a minimum canopy spread of 110” diameter, overall tree height of 15 feet, and a canopy height of 10

2. Container Trees:

a. Tree diameter, overall tree height, and canopy height shall conform to

ANSI Z 60.1 (most current publication).

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B. Tree diameter and/or container/spade size shall be as specified on the drawings. Tree diameter to be measured 6 inches above natural grade or planting media for each tree.

C. Trees shall be healthy, vigorous, and in overall good condition. Trees shall be free of disease, insects, eggs, larvae; and free of defects such as wasp galls, knots, trunk wounds or scars, abrasions or disfigurement.

D. Foliage shall be dark green, as dark as is typical for the given species. The tree foliage shall not be chlorotic, necrotic, or dying back.

E. 5 gallon and 15 gallon Tree Mix shall be the same tree species as specified for 30 gallon and 45 gallon in equal percentages of tree species or as directed by Landscape

Architect.

2.02 SOIL CONDITIONER OR ROOT STIMULATOR

A. Root stimulator shall contain at a minimum the following ingredients:

Ectomycorrhizal Fungi, VA Mycorrhizal(VAM) Fungi, Rhizosphere Bacillus spp., Kelp Meal, Humic Acid, and Soluble Yucca.

2.03 SAND BACKFILL

A. Sand backfill shall be a fine sandy loam, typical of the soil at the project site, or fine bank sand. The back fill shall be free of noxious weeds, grasses, sticks, roots or stone and shall be consistent in texture.

2.04 COMPOST

A. Compost shall have been produced by aerobic (biological) decomposition of organic matter. Compost feedstock may include, but is not limited to, leaves and yard trimmings, biosolids, food scraps, food-processing residuals, manure or other agricultural residuals, forest residues, bark, and paper. Compost and wood chips shall not contain any visible refuse, other physical contaminants, or any substance considered harmful to plant growth.

Compost shall not contain materials that have been treated with chemical preservatives as a compost feedstock or as a wood chip. Compost shall not contain mixed municipal solid waste compost. Compost shall meet all applicable 40 CFR 503 standards for Class A biosolids and TCEQ health and safety regulations as defined in the TAC, Chapter 332, including the time and temperature standards in Subchapter B, Part 23. Meet the requirements of the United States Composting Council (USCC) Seal of Testing

Assurance (STA) program.

2.05 MULCH

A. Mulch shall be shredded hardwood, free of noxious weed seeds.

1. Feedstock materials shall be locally sourced and can contain: Oak, Gum, Ash, Pine, and other assorted hardwood trees and branches.

2. The materials shall be all natural and WILL NOT contain lumber, pallets, or any

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3. Feedstock shall be double ground to achieve 1.5” to 2” screens.

4. Mulch shall be aged a minimum of 90 days

5. pH range shall be 6.8-8.2. Contractor to submit current lab test to confirm.

6. Mulch to be applied evenly over the entire tree planting area shown on plans at a typical depth of 2”.

2.06 WATER

A. Water shall be potable from municipal water supplies. Truck watering payment shall be by the square foot.

SOURCE QUALITY CONTROL

B. Notify Landscape Architect or Project Manager prior to delivery and planting, with location where trees that have been tagged for planting may be inspected. Trees will be inspected for compliance with this specification.

PART 3 EXECUTION

3.01 EQUIPMENT (Applies to Transplant Trees)

A. Tree spade shall be in good condition with minimum tolerances between digging blades.

All blades shall be true to their designed spade free of bends and deformities. The tree spade shall be mounted on suitable, stable machines capable of supporting the weight of all dug materials and heavy enough to force all blades into the soil to full depth. Holes to receive machine transplanted trees shall be dug with machines of like size and manufacture to that which is used to dig the intended tree.

B. Trees shall be transplanted with minimum tree spade sizes for maximum tree diameter per the following standards:

1. Maximum tree diameter for 50” tree spade shall be 3”

2. Maximum tree diameter for 60” tree spade shall be 4”

3. Maximum tree diameter for 80” tree spade shall be 5”

4. Maximum tree diameter for 90” tree spade shall be 7”

5. Maximum tree diameter for 120” tree spade shall be 9”

3.02 PREPARATION FOR PLANTING

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A. Schedule work so that planting can proceed as rapidly as the planting site becomes available. Plant trees after final grades are established and prior to planting of turf, unless otherwise approved by Landscape Architect or Project Manager in writing. If planting of trees occurs after seeding work, protect turf areas and promptly repair damage to turf resulting from tree planting operations.

B. Layout individual trees at locations shown on Drawings. In case of conflicts, notify

Landscape Architect or Project Manager before proceeding with work. Trees shall be laid out and approved by Landscape Architect or Project Manager and Precinct Forester prior to planting.

C. The contractor shall be responsible for locating and confirming underground utilities.

D. Trees shall be pruned, at the farm, to remove dead, diseased, dying, or broken branches that will be detrimental to the future shape or structure of the tree. Old pruning stubs should also be removed. All pruning cuts should be made sufficiently close to the branch collar, so as not to leave a protruding stub, without cutting into the branch collar. Each cut shall be made with the appropriately sized pruning shear, which should have properly matched, sharpened blades. Pruning cuts shall not be painted or otherwise treated.

E. Trees are subject to inspection at the tree farm or location of collection. When directed, provide and use serialized locking tags on trees.

F. Contractor shall notify Landscape Architect or Project Manager and Precinct Forester at least 48 hours before delivering trees to worksite. Coordinate with Landscape Architect or

Project Manager for inspection and approval of materials upon delivery. Remove rejected trees from the worksite and replace as directed.

G. Container grown trees shall be thoroughly watered prior to leaving tree farm or nursery.

3.03 COLLECTING, TRANSPORTING AND PLANTING

Transplant Trees

A. Tree shall be centered in tree spade at digging.

B. No damage to branches or trunk shall be allowed while backing onto tree at tree farm, digging tree, or pulling away from tree after planting. Damage to tree trunk caused by the digging or planting of the tree, will be grounds for non-acceptance of tree under this specification.

C. Roots protruding from the digging blades shall be pruned flush with the root ball prior to planting.

D. Contractor shall ensure tree is tied down so that the total height of the tree spade and tree do not exceed legal height limits.

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E. Tree shall be covered with an open-weave fabric tarp to minimize wind damage and desiccation of leaves during transportation from collection site to planting site.

F. Each tree shall be planted in its final planting site within 4 hours of being dug from the collection site.

G. Tree shall be planted plumb and the root ball shall be set 2-3 inches above the finished grade.

H. No staking or guying of the tree should be installed.

I. Voids between existing grade and tree root ball shall be backfilled with sand backfill. The sand backfill should be thoroughly watered into the voids, so that no air packets remain.

J. A water holding basin shall be constructed around each tree. The basin should be constructed with the sand backfill and shall be constructed directly over the void between the existing grade and root ball, 6-8” in height, and 8-10” in width. The top of the root ball shall not be covered with sand backfilled or any other type of soil.

K. Prior to mulching, each tree shall be thoroughly watered 2 separate times. Each time the watering basin should be filled with water and the water allowed to soak the tree and force sand backfill into all voids. After the second watering basin should be rebuilt to its original shape.

L. Each tree shall be thoroughly soaked with root stimulator, per label instructions.

M. Mulching shall be completed within 24 hours of planting. A 4” deep layer of mulch shall be applied to the entire water holding basin and top of root ball. No much shall be applied directly against the trunk of the tree.

N. Control dust caused by planting operations. Dampen surfaces as required. Comply with pollution control regulations of governing authorities.

Container Trees

A. Excavate planting pit to a depth equal to planting media height in container, or 1-2” shallower. Do not over excavate, to ensure planted root ball rest on undisturbed sound soil.

Planting pit shall have a diameter that is at least 2 feet wider than diameter of root ball.

B. When conditions detrimental to plant growth are encountered, such as unsatisfactory soil, obstructions, or adverse drainage conditions, notify Landscape Architect or Project

Manager and/or Precinct Forester.

C. Edges of planting pit shall be scarified with gouges a minimum of 1” deep and 1” wide spaced no wider than 8” on center.

D. Trees shall be planted within 24 hours of excavating planting pits to minimize soil

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E. Trees shall be handled by container during transportation and planting. Trees shall not be handled by grasping trunk only.

F. Trees shall be covered with open weave tarp in transportation from nursery to planting site, to minimize tree and leaf desiccation.

G. Deliver trees after preparations for planting have been completed and plant immediately.

If planting does not occur within 6 hours of delivery, set trees in shade, protect from weather and mechanical damage, and keep root balls moist by covering with mulch, compost, burlap, or other acceptable means of retaining moisture. Water trees as needed to avoid root ball desiccation.

H. Each tree shall be removed from container without cracking or disturbing root ball. The circumference of the root ball shall be scored with sharp utility knife ½” deep, from top to bottom of ball, at 8” intervals to cut any circling roots.

I. Set root ball in planting pit, on undisturbed soil, in center of pit and plumb plant. Top of root ball shall be at same elevation of finished grade or 1-2” above finished grade.

J. Backfill planting pit around root ball in lifts, each lift shall be 1/3 the depth of the root ball. Pit shall be thoroughly watered after each lift to remove air pockets. Backfill shall consist of the following materials:

1. Soil excavated from planting pit: 75 percent

2. Compost: 15 percent

3. Peat moss: 10 percent

K. Construct a plant basin at least 6 inches deep with an inside diameter equal to the planting pit diameter and with a level top around the plant unless otherwise indicated on plans. Use excavated soil from the planting pit, amended backfill material, or approved material for the basin.

L. Mulching shall be completed within 24 hours of planting. A 2” deep layer of mulch shall be applied to entire planting area and top of root ball. No mulch shall be applied directly against the trunk of the tree.

M. Each tree shall be guyed and staked immediately after planting. Each tree shall have a minimum of 2 post; more may be required depending on soil structure. Provide adequate number of post to ensure tree stability during establishment. Tree shall be secured by plastic tree chain, do not use wire with plastic or rubber guards.

N. Control dust caused by planting operations. Dampen surfaces as required. Comply with pollution control regulations of governing authorities.

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3.02 FIELD QUALITY CONTROL

A. Landscape Architect or Project Manager may reject unsatisfactory or defective material at anytime during progress of work. Contractor shall remove rejected trees immediately from site and replace with specified materials. Plant material not installed in accordance with these specifications will be rejected.

B. An inspection to determine final acceptance will be conducted by Landscape Architect or

Project Manager and Precinct Forester at the end of the 24 month warranty period.

Additional inspections will be conducted for extended warranty periods provided for in paragraph 1.06B.

3.03 MAINTENANCE PERIOD

A. Contractor shall maintain trees during planting operations and during the warranty period of 24 months after completion of construction (substantial completion).

B. Contractor shall water each tree weekly, or more, if required to maintain healthy vigorous growth. No watering shall be required during weeks when the planting site receives at least

1” of rainfall. Rainfall to be measured at planting site.

3.04 CLEANUP AND PROTECTION

A. During planting work, keep pavement clean and work area in an orderly condition.

B. No open planting holes shall be left at planting site without immediate supervision by planting personnel. Use plywood, or other suitable material, to cover open hole when not under immediate supervision.

C. Protect planting work and material from damage due to planting operations. Maintain protection during installation and maintenance period. Treat, repair, or replace damaged planting work as directed by Landscape Architect or Project Manager .

D. Dispose of…