20-Attachment U - General Notices, Notes and Information.pdf

Preparer’s Certification for

Specifications, Special Specifications, Special Provisions, Estimate and Specification Data

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 found on Bonfire.

The items include:

Pricing/Delivery Information Scope of Work Special Provision to Standard Specifications Special Specifications Supplement to General Requirements Contract Time

FOR:

https://harriscountytx.bonfirehub.com/portal/?tab=openOpportunities https://harriscountytx.bonfirehub.com/portal/?tab=openOpportunities thomask Text Box Barwood Subdivision Drainage Improvements - 2018 (E132 Mitigation) Harris County Precinct 3

UPIN: 19103MF12H01

jimc Snapshot jimc Text Box 5/28/2025

Table of Contents

COVER PAGE

TABLE OF CONTENTS

SCOPE OF WORK

GENERAL NOTICE TO CONTRACTORS

GENERAL NOTES

NOTICE TO CONTRACTORS – TBPE POLICY

NOTICE TO CONTRACTORS – MATERIAL HAULING

NOTICE TO CONTRACTORS – SWQ AND ENV ISSUES

NOTICE OF SPECIFICATIONS

TECHNICAL SPECIFICATION FOR BARWOOD UTILITY RELOCATIONS

SPECIAL SPECIFICATIONS

SCOPE OF WORK

SUMMARY

A. This project entails the construction of 8,600 linear feet of storm sewer drainage improvements (open cut construction) to convey drainage from Barwood Subdivision to HCFCD Unit E132-00-00 drainage channel. The storm sewer trunk lines are located under existing roadway paving within the roadway right of way.

The existing underground systems will be reconstructed to provide positive flow collection of drainage using inlets, junction boxes, and box culverts. Construction will include street paving demolition, removal of portions of existing storm sewer, traffic control, construction storm water pollution prevention, replacement paving in areas that are removed for the drainage improvements, and pavement markings.

B. The overall objective for this project is to reduce structural flooding within the

Barwood subdivision.

C. The “Time of Completion” of this construction contract will be 360 working days

(defined as consecutive calendar days). Contract time includes calendar days to accommodate inclement weather. No additional days shall be added to the contract due to inclement weather. Multiple crews working in different parts of the subdivision may be required to complete this project within the allotted time.

D. Prior to the start of work, the Contractor shall be required to provide the

Engineer the site(s) selected by the Contractor for disposal of excavated material. The Engineer shall review the location(s) for determination of flood plain status. Disposal of material within a flood prone area (all areas subject to inundation up to and including the 500-year flood) as determined by the latest FEMA approved FIRM maps is prohibited. If a disposal site is rejected, based on the Engineer’s determination of flood plain status, the Contractor, at it’s discretion can submit a variance request with an explanation why the disposal of material is not considered fill in the flood plain. The Engineer will consider the request and respond accordingly. The decision of the Engineer is final.

CONTRACTOR’S USE OF RIGHT-OF-WAY

A. Access: The Harris County Engineering Department – Recovery and Resiliency

Division (“HCED - RRD”) has acquired adequate right-of-way for access to the job. Refer to the Plans for location of the right-of-way limits. The access point into and out of the project site will be decided upon by the construction project manager prior to the beginning of construction. HCED-RRD will consider alternative ingress and egress points outside of the work area with proper approval.

B. Work Area: The work area is identified on the Plans as the areas of demolition or proposed improvements. This is typically shown as the project right-of-way or construction area within the project right-of-way.

WORK SEQUENCE

A. The sequence of major work activities is as follows:

1. Conduct a site walk with the Engineer to review the existing ground survey and identify areas and sections of concern.

2. Set up erosion and sediment controls and conduct continuous inspection and update SWPPP inspection reports.

3. The Contractor shall notify the Engineer at least twenty- four (24) hours before beginning work. The Contractor shall start the work at any part of the project designated by the Engineer and shall prosecute the Work at as many different points as the Engineer shall direct.

4. Construction Schedule - For all work of one million to five million dollars, the Contractor will submit a detailed construction schedule within seven

(7) days of notice to proceed and shall be updated every thirty (30) days thereafter throughout the remainder of the Contract Time. The schedule will be a bar type schedule and shall be of sufficient detail to show construction sequence, proposed start dates and estimated completion dates for major parts of the work. Projects over five million dollars require the Contractor to provide a computer based critical path method schedule within thirty (30) days from notice to proceed, and revised every thirty (30) days thereafter, to the satisfaction of the Engineer.

5. A Traffic Control Plan (TCP) has been established for this project in accordance with the Texas Manual on Uniform Traffic Control Devices (TMUTCD). The Contractor may propose an alternate TCP, and if the alternate plan is approved by the Engineer, it may be used. The alternate TCP must be prepared in accordance with Harris County Traffic Control Guidelines (Latest Edition) and sealed by a Professional Engineer registered in the State of Texas proficient in the field of Traffic Engineering.

6. Implement approved Traffic Control Plan and SWPPP as specified on plans.

7. Prior to beginning work, the Contractor shall designate in writing a competent person who will be responsible and available on the project site or in the immediate area to insure compliance with the TCP.

8. The Contractor shall provide means of ingress and egress for residents and businesses along any closed section of the Work and shall provide property owners a means of access to a public road. No section of the Work shall be closed to traffic until so directed by the Engineer.

9. Install temporary construction fencing as required on Plans to protect areas not to be cleared and designated trees in connection with the project.

10. Clear and grub designated areas in accordance with Item 102 and Item 501.

11. The temporary dewatering system as specified in these Standard

Specifications shall be the minimum system required for controlling groundwater, regardless of source. The installed system shall be capable of lowering and maintaining the groundwater to at least 3 feet below the bottom of the excavation, until the required utilities are installed.

12. Coordinate with utility owners prior to construction near existing utilities.

13. Relocate existing utilities which conflict with the proposed construction as shown on the Plans. Construction of approximately 8,600 linear feet of reinforced concrete storm sewer consisting of various reinforced concrete pipe sizes, reinforced concrete box sizes, inlets, manhole, junction boxes structures. Reconstruction of existing concrete roadway pavement impacted by constructed storm sewer elements and removal and reconstruction of existing reinforced concrete driveways where indicated on the plans.

14. Conduct necessary site drainage and water/sediment controls throughout the construction period to ensure no stormwater impact to local communities or receiving water bodies.

15. Re-route private drive and install traffic control for private driveways.

Finalize grading and stabilize the site with sodding and/or hydromulch turf establishment as noted in the plans.

16. Remove traffic control devices along and enhancements along neighborhood streets. Remove project signs and clean up the site of construction materials as needed. Haul debris to landfill.

17. Submit the red-lined as-built drawings for the project.

OTHER WORK IN THE AREA

A. Other non-HCED-RRD projects may be on-going in the area.

Coordinate your activities with the other contractors where there may be conflicts.

B. Restore and repair neighborhood streets and adjacent roadways to pre-construction conditions as directed by Engineer. Restore and repair existing roadways will be incidental.

May 2019

GENERAL NOTICE TO CONTRACTORS

In accordance with House Bill 1059, 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://www.eng.hctx.net/Consultants/Standards-Specifications/Standard-Engineering-Design-Specifications https://www.eng.hctx.net/Consultants/Standards-Specifications/Standard-Engineering-Design-Specifications 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

CONTRACT DOCUMENTS FOR

BARWOOD SUBDIVISION

DRAINAGE IMPROVEMENTS - 2018

HARRIS COUNTY ENGINEERING

HARRIS COUNTY, TEXAS

Prepared by

Designed By: ________

Checked By: ________

Approved By: ________

Lockwood, Andrews & Newnam, Inc.

3700 W. Sam Houston Pkwy, Suite 400

Houston, Texas 77042

(713) 266-6900

Texas Registered Engineering Firm

F-2614

LAN Project No. 125-10046-000

5-13-2025

AAB 05/13/2025

125-10046-000 i

TECHNICAL SPECIFICATIONS FOR

BARWOOD UTILITY RELOCATIONS

HARRIS COUNTY FRESH WATER SUPPLY DISTRICT No. 61

TABLE OF CONTENTS

FRONT END DOCUMENTS No. of Pages

DEFINITIONS ....................................................................................................................................... DF-1

DIVISION 1 - GENERAL REQUIREMENTS

01270S Measurement and Payment Special Provision 01270 Measurement and Payment 01321 Construction Photographs 01330 Submittal Procedures 01420 Project Observation Services 01454 Testing Laboratory Services 01540 Diversion Pumping 01562 Tree and Plant Protection 01576 Waste Material Disposal 01578 Control of Ground Water and Surface Water 01600 Material and Equipment 01630 Product Options and Substitutions 01751 Security Requirements 01770 Closeout Procedures 01780 Post Final Inspection 01781 Project Record Documents

TECHNICAL SPECIFICATIONS

DIVISION 2 - SITE WORK

02082S Precast Concrete Manholes Special Provision 02082 Precast Concrete Manholes 02085S Valve Boxes, Meter Boxes, and Meter Vaults Special Provision 02085 Valve Boxes, Meter Boxes, and Meter Vaults 02086 Adjusting Manholes, Inlets, and Valve Boxes to Grade 02090 Frames, Grates, Rings and Covers 02221 Removing Existing Pavements, Structures, Wood, and Demolition Debris 02222 Abandonment of Sewers 02260 Trench Safety System 02316 Excavation and Backfill for Structures 02317 Excavation and Backfill for Utilities 02320 Utility Backfill Materials 02321S Cement Stabilized Sand Special Provision 02321 Cement Stabilized Sand 02322 Flowable Fill 02431 Tunnel Grout 02447 Installation of Water Lines by Slurry Bore 02448 Pipe and Casing Augering for Sewers 02501 Ductile Iron Pipe and Fittings 02502 Steel Pipe and Fittings 02506 Polyvinyl Chloride Pipe 02511 Water Lines 02512S Water Tap and Service Line Installation Special Provision 02512 Water Tap and Service Line Installation 02513S Wet Connections Special Provision

125-10046-000 ii

02513 Wet Connections 02514 Disinfection of Water Lines 02515 Hydrostatic Testing of Pipelines 02516S Cut, Plug, and Abandonment of Water Lines Special Provision 02516 Cut, Plug, and Abandonment of Water Lines 02520S Fire Hydrants Special Provision 02520 Fire Hydrants 02521S Gate Valves Special Provision 02521 Gate Valves 02525 Tapping Sleeve and Valve 02528 Polyethylene Encasement-Wrap 02531 Gravity Sanitary Sewers 02533 Acceptance Testing for Sanitary Sewers 02534 Sanitary Sewer Service Stubs or Reconnections 02555 Manhole Rehabilitation 02558 Cleaning and Television Inspection 02615S Insertion Valves and Line Stops Special Provision 02615 Insertion Valves and Line Stops

DIVISION 3 - CONCRETE

03315 Concrete for Utility Construction

DIVISION 16 - ELECTRICAL

16124 Conductive Tracer Wire for Non-Metallic Water Line Pipes

HARRIS COUNTY

Item 165 Hydro-Mulch Seeding (For Erosion Control and Stabilization) Item 360 Concrete Pavement Item 530 Concrete Curb, Concrete Curb & Gutter, Sidewalks and Driveways

END OF TABLE OF CONTENTS

DEFINITIONS

DF-1

03/09/2022

SPECIAL PROVISION TO TECHNICAL SPECIFICATION

1. Where the term "City Engineer" is used in these specifications, substitute "District

Engineer - Lockwood, Andrews & Newnam, Inc."

2. Where the term "City" is used in these specifications substitute "Harris County Fresh

Water Supply District 61."

3. Where the term “County” or “Harris County” is used in these specifications, substitute

“Harris County Fresh Water Supply District No. 61.”

THIS CONTRACT IS A UNIT PRICE CONTRACT. THE STIPULATED PRICE

(LUMP SUM) PROVISIONS IN THE SPECIFICATIONS DO NOT APPLY.

END OF SPECIAL PROVISION

DF-1

THIS PAGE IS INTENTIONALLY LEFT BLANK.

MEASUREMENT AND PAYMENT

01270S-1

SECTION 01270S

The following supplement modifies Section 01270 – Measurement and Payment. Where a portion of the Specification is modified or deleted by this Supplementary Specification, the unaltered portions of the Specification shall remain in effect.

Unless otherwise noted below, Measurement and Payment section for all Technical

Specifications for Barwood Subdivision Drainage Improvements – 2018 provided by

Lockwood, Andrews, and Newnam, Inc. shall be deleted. Related items and actions required for a complete and functional system shall be included in the associated bid item.

Insert the following paragraph:

1.8 MEASUREMENT AND PAYMENT FOR PROJECT SPECIFIC ITEMS:

A. No separate payment will be made for Tree and Plant Protection and Tree Removal as detailed in Sections 01562. All costs associated with Tree and Plant Protection and Tree Removal shall be incidental to the project.

B. No separate payment will be made for Trench Safety System as detailed in Section

02260. All costs associated with trench safety shall be incidental to the water and sanitary sewer utility installation.

C. Measurement and payment for minimum 14-inch steel casing by trenchless and/or open cut, for all depths, is on a per linear foot basis and includes fittings and all work detailed in Sections 02447 and 02502. The 14-inch steel casing shown in plans is the minimum allowable diameter steel casing. Contractor shall make sure proposed water line with restrained joints and spacers has the needed clearance for installation inside the proposed steel casing. Any costs associated with using a larger diameter steel casing than 14-inches as specified in the plans, should be included in the steel casing bid item.

D. Measurement and payment for water lines by trenchless and/or open cut construction, all diameters and all depths, will be on a linear foot basis and includes restrained joints, bends, fittings and all work detailed in Sections 02447 and 02511.

E. No separate payment will be made for any additional labor costs needed to connect or fuse pipe. All costs associated with connecting or fusing pipe shall be included in related bid items.

F. Measurement and payment for wet connections is on a per each basis, per size, and includes all work detailed in Sections 02513. No separate payment will be made for any additional pipe, fittings, reducers, or appurtenances for wet connections.

01270S-2

All costs associated with additional pipe, fittings, reducers, or appurtenances including abandonment, draining and plugging the existing water line at the wet connection shall be included in related bid item.

G. Measurement and payment for short side service tap, all water line sizes, all diameters, including corporation valve and ball valve curb stop, and connecting new service tap to existing water meter using u-branches for two meters or standard compression fittings for one meter, all depths is on a per each basis and includes all work detailed in Section 02512. No separate payment will be made for reconnecting or repairing water services damaged during the installation of new utilities.

H. Measurement and payment for long side service line, all water line sizes, all diameters, from existing corporation valve to existing ball valve curb stop and connecting existing service tap to existing water meter u-branches for two meters or standard compression fittings for one meter, all depths is on a per each basis and includes all work detailed in Section 02512. No separate payment will be made for

I. Measurement and payment for long side service tap, all water line sizes, all diameters, including tap and corporation valve, including standard compression fittings connecting to the new service line, all depths, is on a per each basis and includes all work detailed in Section 02512. No separate payment will be made for

J. No separate payment will be made for extra long side service connections. Any costs associated with extra long side service connections shall be included in the cost for long side service tap and includes all work items detailed in Section

02512.

K. Measurement and payment for fire hydrant assembly with connection to proposed water line, including lead and 6-inch gate valve and box is on a per each basis for all depths and includes all work detailed in Section 02520.

L. Measurement and payment for gate valve and box is on a per each basis, per size, and includes all work detailed in Section 02521. Contractor shall install an extension not on all valves in order to keep valves no deeper than 4-feet below natural ground. No separate payment will be made for gate valve extensions.

M. Measurement and payment for line stops is on a per each basis for all diameters and host pipe materials and includes all work detailed in Sections 02525 and

02615. No separate payment will be made for line stop reinsertion, line stop rental, or temporary water line bypass. Any costs associated with line stop reinsertion, line stop rental, or temporary water line bypass shall be incidental to the project.

01270S-3

N. No separate payment will be made for cut, plug and removal of existing water line to install proposed utilities such as the proposed storm or sanitary sewer improvements. Any costs associated with cutting, plugging, and removing existing water line to install the proposed sanitary sewer shall be considered incidental.

O. Measurement and payment for cut, drain, plug, and abandon water line is on a per each basis, for all diameters and all depths, and includes all work detailed in

Sections 02221 and 02516.

P. Measurement and payment for grout and abandon existing water line is on a per linear foot basis, for all diameters and depths, and includes all work detailed in

Sections 02221, 02222, and 02516. Contractor shall follow procedures for force main abandonment in Section 02222 – Abandonment of Sewers for water line grouting and abandonment.

Q. Measurement and payment for removal of existing fire hydrant assembly, including lead and 6-inch gate valve and box, return to Harris County Fresh Water

Supply District No. 61, and plugging of old fire hydrant connection on existing line is on a per each basis for all depths and includes all work detailed in Sections

02221, 02516, and 02520.

R. Measurement and payment for pre-cast concrete conflict storm manholes at sanitary sewer crossing is on a per each basis, for all depths, and includes all work detailed in Section 02082.

S. Measurement and payment for remove and replace existing sanitary sewer is on a linear foot basis, for all diameters and depths, and includes all worked detail in

Sections 02221, 02531 and 02558.

T. Measurement and payment for additional site restoration for water line installation or for work associated with sanitary sewer conflict manholes is on a per acre basis and includes all work detailed in Item 165.

U. Measurement and payment for additional curb replacement for water line installation or for work associated with sanitary sewer conflict manholes is on a per linear foot basis of the repaired section and includes all work detailed in Items

360 and 530.

V. Measurement and payment for additional pavement repair for water line per square yard of surface area of the repaired section, including all depths, and includes all work detailed in Item 360.

W. Measurement and payment for additional driveway repair for water line per square yard of surface area of the repaired section, including all depths, and includes all work detailed in Items 360 and 530.

01270S-4

X. Measurement and payment for additional sidewalk repair for water line installation or for work associated with sanitary sewer conflict manholes is on a per square yard of surface area of the repaired section, including all depths, and includes all work detailed in Items 360 and 530.

Y. No separate payment will be made to reconfigure existing sidewalks and ramps to meet current ADA standards. Any costs associated with reconfiguring existing sidewalks and ramps to meet current ADA standards shall be included in related bid items.

Z. No separate payment will be made for reconnection of existing sanitary sewer services. Any costs associated with reconnecting services shall be considered incidental to the project and includes all work items detailed in Section 02534.

AA. No separate payment will be made for any equipment, materials, or appurtenances for disinfection and acceptance testing. All costs associated with any equipment, materials, or appurtenances for disinfection and acceptance testing of water lines, sanitary sewer lines, and sanitary manholes shall be included in related bid items.

Subsequent disinfection and acceptance testing operations which may be necessary due to nonconforming or incomplete construction will be charged to Contractor at

Harris County Fresh Water Supply District No. 61’s (HCFWSD No. 61) cost. The

Contractor shall pay these charges to HCFWSD No. 61 prior to final acceptance of

HCFWSD No. 61s water and sanitary sewer relocations and improvements.

BB. The documents shall not be used as a basis for additional compensation due to omission of details of other sections, specifications, documents, and drawings.

CC. Contractor shall consider all degrees of uncertainty for all existing, hidden or unknown conditions. Bid shall cover all reasonable unknown conditions not evident in pre-bid site visit for additions and modifications.

DD. Where any equipment performance does not conform to specifications or, where in

Engineers opinion, parameters are out of tolerance or erratic in performance, the

Contractor shall remove and replace equipment at no additional cost to Owner.

EE. Any equipment, devices, or software shown or indicated on Contract Documents as required for this project, and that may be overlooked by Owner or Engineer on submittals or at Final Acceptance inspection, shall still be provided by Contractor at no cost to Owner regardless of period of time that expires before Owner requests to be furnished and installed.

FF. No separate payment will be made for any additional labor and material costs needed to remove and replace pavement. All costs associated with removal and replacement of pavement shall be included in related bid items.

01270S-5

GG. No separate payment will be made for any additional labor costs needed to repair existing utilities in the event of an unforeseen conflict. All costs associated with repairing existing utilities shall be included in related bid items.

END OF SECTION

01270-1

6/20/2022

SECTION 01270

MEASUREMENT AND PAYMENT

PART 1 - G E N E R A L

1.1 WORK INCLUDED

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

1.2 AUTHORITY

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

B. Engineer will take all measurements and compute quantities accordingly.

C. Contractor shall assist by providing necessary equipment, workers, and survey personnel as required by

Engineer.

1.3 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 Engineer shall determine payment as stated in the

General Conditions.

B. If the actual Work requires greater or lesser quantities than those quantities indicated in the Bid Form, provide the required quantities at the unit prices contracted, except as otherwise stated in the General Conditions.

1.4 MEASUREMENT OF QUANTITIES

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

2. Excavation and Embankment Materials. Measured by cubic dimension using the 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 the item centerline or mean chord.

E. Stipulated Price Measurement. By unit designated in the agreement.

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

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1.5 PAYMENT

A. It is the intent of the Contractor that the aggregate sum of the products of the unit cost and quantity shall cover all compensation and payment for all work required by the Contract Documents, complete in place and ready for use.

B. Payment for all work within the Contract Documents includes full compensation for all required supervision, labor, products, tools, equipment, plant, transportation, services, and incidentals; erection, application or installation of an item of the Work; and Contractor's overhead and profit.

C. Total compensation for required Unit Price Work shall be included in Unit Price bid in the Bid Form.

Claims for payment as Unit Price Work, but not specifically covered in the list of unit prices contained in the Bid

Form, will not be accepted.

D. No costs regarding work required by the Contract Documents for proper and successful completion of the

Contract will be paid outside of or in addition to prices named in the Contract Documents.

E. Work not specifically set forth within the Contract Documents as bid items shall be considered subsidiary obligations of the Contractor and costs shall be included within the bid items named in the Contract Documents.

F. The Owner at its sole discretion may allow interim payments for stored materials. Interim payments will be made only for materials to be incorporated under items covered in Unit Prices, unless disallowed in the

Supplementary Conditions.

G. Complete in place is defined as fully operational and functional and includes all miscellaneous and required components and appurtenances, as per the approved construction drawings and details, general notes, contract documents, general, supplemental and special conditions, technical specifications and all addendum thereof.

H. Progress payments will be based on the Engineer's observations and evaluations of quantities incorporated in the Work multiplied by the unit price.

I. Final payment for Work governed by unit prices will be made on the basis of the actual measurements and quantities determined by Engineer multiplied by the unit price for Work which is incorporated in or made necessary by the Work.

1.6 NONCONFORMANCE ASSESSMENT

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

B. If, in the opinion of Engineer, it is not practical to remove and replace the Work, the Engineer will direct one of the following remedies:

1. The nonconforming Work will remain as is, but the unit price will be adjusted to a lower price at the discretion of Engineer.

2. The nonconforming Work will be modified as authorized by the Engineer, and the unit price will be adjusted to a lower price at the discretion of Engineer, if the modified work is deemed to be less suitable than originally specified.

C. Specification sections may modify these options or may identify a specific formula or percentage price reduction.

D. The authority of Engineer to assess the nonconforming work and identify payment adjustment is final.

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1.7 NONPAYMENT FOR REJECTED PRODUCTS

Payment will not be made for any of the following:

A. Products wasted or disposed of in a manner that is not acceptable to Engineer.

B. Products determined as nonconforming before or after placement.

C. Products not completely unloaded from transporting vehicle.

D. Products placed beyond the lines and levels of the required Work.

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

F. Loading, hauling, and disposing of rejected products.

PART 2 - P R O D U C T S

Not used.

PART 3 - E X E C U T I O N

Not used.

01321-1

10/29/2019

SECTION 01321

CONSTRUCTION PHOTOGRAPHS

PART 1- G E N E R A L

1.1 SECTION INCLUDES

A. Photographic requirements for construction photographs and submittals.

1.2 DEFINITIONS

A. Pre-construction Photographs: Photographs taken, in sufficient numbers and detail, prior to Date of

Commencement of the Work, to show original construction site conditions.

B. Progress Photographs: Photographs, taken throughout the duration of construction at regular intervals and from fixed vantage points, pre-approved by the Owner, that documents progress of the Work.

C. Finished Photographs: Photographs, taken by a commercial photographer near Date of Substantial Completion and before Owner’s acceptance of the Work, that are suitable for framing and for use in brochures or on the Internet.

1.3 SUBMITTALS

A. Refer to Section 01330, Submittal Procedures, for submittal requirements.

B. Format and Media. Digital photography shall be used. Submit color photographs, unless otherwise specified.

1. Use at least 8.0 megapixel density for photographs. Submit digital photographic files on a hard drive, a flash drive, or Engineer approved file sharing program in JPEG (Joint Photographic Experts Group) format.

2. Pre-construction video will be accepted so long as it is submitted on an Engineer approved file sharing program with all the information from paragraph 1.3, D. Labeling.

C. Submittal Quantities and Frequencies

1. Pre-construction Photographs:

a. For Stipulated Price Contracts, submit Pre-construction Photographs, if required, prior to first

Application for Payment.

b. For Unit Price Contracts, submit Pre-construction Photographs prior to start of construction operations.

2. Progress Photographs:

a. For Stipulated Price Contracts, submit Progress Photographs with each Application for Payment at the times established for submittal of Application for Payment. Monthly Applications for Payment shall be deemed incomplete if not accompanied by the required Progress Photographs. Contractor’s failure or election to not submit a monthly Application for Payment shall not affect the requirement for monthly Progress Photographs.

b. Progress Photographs are not required for Unit Price Contracts unless otherwise specified.

01321-2

3. Finished Photographs: For Stipulated Price Contracts submit Finished Photographs, if required, after

Date of Substantial Completion and prior to final payment. Vantage points for Finished Photographs will be approved separately from vantage points approved for Progress Photographs. Finished Photographs are not required for Unit Price Contracts unless otherwise specified.

D. Report. A report shall accompany every photograph with the following information:

1. Name of Project and Project Number, unless embedded on the print.

2. Name of Contractor.

3. Date photograph was taken, unless embedded on the print or image.

4. Location of the photograph (station or coordinates or other notation, unless embedded on the print or image).

5. Short description of photo subject.

6. Name and address of commercial photographer who took the photograph, if applicable.

E. Photographic prints, negatives, photographic files and disks become the property of the Owner with all rights of reproduction to the Owner. Do not publish photographs without written consent by the Owner.

1.4 QUALITY ASSURANCE

A. Contractor shall be responsible for the quality of and timely execution and submittal of photographs.

B. Contractor shall schedule and coordinate photographer with Owner’s Representative.

1.5 MEASUREMENT AND PAYMENT

A. No separate payment will be made for photographs or video.

PART 2- P R O D U C T S

Not used.

PART 3- E X E C U T I O N

3.1 PRE-CONSTRUCTION PHOTOGRAPHS

A. Prior to commencement of construction operations, photograph the site to include initial construction corridor, detour routes and staging or storage areas.

1. Pre-construction photographs are required for Stipulated Price and Unit Price Contracts. For line projects with scheduled construction segments, take Pre-construction Photographs prior to commencement of work on each segment.

B. Prepare Pre-Construction Photographs as follows:

1. Show the following information on a non-reflective chalkboard placed within the picture frame:

01321-3

a. Job number.

b. Project Number.

c. Date and time photographs were taken.

d. Baseline station, direction of view and house number or street address and street name.

2…