20-Attachment Y - General Scope of Basic Services – Appendix B.pdf

APPENDIX B

GENERAL SCOPE OF ADDITIONAL SERVICES

The Engineer shall render the following Additional Services in connection with the Project when authorized in writing by the Director:

1. COMMUNITY ENGAGEMENT SERVICES

A. Provide support services required to plan, prepare for, and conduct a community engagement meeting (or meetings) related to the Project in accordance with District guidelines. These services include a project summary document written for public consumption and is intended to be uploaded to HCFCD website.

B. Optional task to support compliance with environmental requirements for public communication.

2. SURVEY SERVICES

A. Obtain all existing surveys from HCFCD project manager as available B. Perform surveying services in accordance with the District’s Surveying Guidelines and other District design requirements as designated in writing by the Director.

C. Surveyor will perform the necessary field and office work to determine the ultimate exterior boundary lines of the recommended route for the bypass channel. The Land Survey will be conducted to meet the requirements and standards set forth by the TBPELS.

D. Survey will perform all tasks incidental to provide metes and bounds and other necessary documents for property acquisition as requested by HCFCD.

E. Surveyor perform all needed activities to topographic survey.

F. Surveyor will coordinate to have professional abstracting services performed to support performing the boundary survey.

G. Surveyor will perform a hydrologic survey for the alignment of the channel bypass.

H. Surveyor will prepare a project survey control map to be used in the design drawings.

The control map will show the control lines, benchmark information, and recovery sketch details. Prepare and submit Survey Control Maps, in an acceptable format, signed and sealed by a Registered Professional Land Surveyor.

I. The Engineer shall render the following Right of Entry Coordination Services in connection with the Project only when assistance is requested by the District.

J. Provide as-built surveys to determine final quantities of excavated material upon completion of construction.

3. GEOTECHNICAL INVESTIGATION

A. Obtain existing geotechnical reports and boring logs from the HCFCD Project Manager.

B. Perform geotechnical services in accordance with the District’s Geotechnical Investigation

Guidelines and other District requirements.

C. Review the “Bid Ready” plans for the purpose of confirming that the design recommendations of the geotechnical report are complied within.

D. Boring Logs in the final plans shall be signed and sealed by the Professional Engineer licensed in the State of Texas who was responsible for signing and sealing the Geotechnical Work the plans are based upon.

E. Field Exploration (boring) along the project alignment.

F. Laboratory Testing of the soil samples to include all required analysis for the implementation of this project

G. Develop geotechnical recommendations for the following:

1) Soil boring logs compiled with gINT program that depict soil stratigraphy and groundwater depths, d50 for granular soils along the proposed bypass route;

2) Evaluation if the soils are dispersive along the proposed alignment of the bypass.

3) Slope stability analyses of the proposed bypass and recommendations for the steepest stable slope inclinations.

4) Criteria for clay liner or riprap if it is needed for erosion protection;

5) Geotechnical recommendations and dewatering guidelines for construction of the channel improvements.

6) Additional recommendations as deemed appropriate and approved by the project manager

4. ENVIRONMENTAL SITE ASSESSMENT, COMPLIANCE AND PERMITTING

A. Perform in accordance with District requirements.

B. Obtain existing environmental reports from the HCFCD Project Manager and preliminary research and data gathering.

C. Provide services to assure full compliance with the National environmental policy Act

(NEPA) and the Clean Water Act (CWA). Services will include, but are not limited to, archeological studies, impact analysis, geomorphology study, preparation of appropriate permitting documentation related to both nationwide and individual permits with United States Army Corps of Engineers (USACE), and potentially completion of an Environmental Assessment (EA) for the project.

D. Make site reconnaissance, assessments, delineation, and monitoring visits including, but not limited to, hazardous materials, federally or state-listed species, freshwater mussels, and jurisdictional waters of the United States.

E. Perform ESA Phase 1 as directed by the District.

1) Conduct field work as needed to determine presence/absence of potential environmental contamination and summarize findings and conclusions in a report in compliance with HCFCD Regulatory Report Guidelines.

F. Conduct optional ESA Phase II as directed by the District to investigate presence/absence of possible environmental contamination associated within the property.

1) Conduct field work as needed to determine presence/absence of potential environmental contamination and summarize findings and conclusions in a report in compliance with HCFCD Regulatory Report Guidelines.

G. Conduct desktop and field investigations to identify jurisdictional Waters of the United Sates (WOTUS), and prepare reports summarizing findings with exhibits, photographs and recommendations to comply with HCFCD requirements. Optional services of providing a Biological Assessment if necessary.

H. Threatened & Endangered Species. Conduct desktop and field investigations to determine what federal and state-listed threatened and endangered species have the potential to occur in the project boundary and prepare a report summarizing the findings, conclusions and recommendations.

1) Optional additional services include Wildlife Habitat Assessment (WHAB) coordination, a freshwater mussel survey (to include Aquatic Resource Relocation Plan (ARRP), a Tree Inventory Survey, and support for Nationwide Permit performed in accordance with District requirements.

I. Perform geomorphologic assessment.

1) Perform field reconnaissance to document existing conditions including photographs, conditions assessment, basic geometric measurements and prepare a report summarizing the findings and conclusions.

a. Use finding to refine the design plans which include HCFCD natural channel design guidelines.

b. Provide recommendations to support design and alignment of the bypass channel.

J. Determine regulatory compliance requirements and provide coordination support for USACE, TCEQ, USFWS, TPWD etc.

a. Provide services related to obtaining Section 404, Section 408, and Section 10 Rivers and Harbors Act permits as needed.

K. Prepare Categorical Exclusions, Environmental Assessments, Environmental Impact Statements, and associated documents to meet National Environmental Policy Act (NEPA) requirements.

L. Provide assistance with responding to comments or written appeals on decisions or actions made by federal and state agencies.

5. IMPACT ANALYSIS

A. Update hydraulic models as necessary after the 50% and 90% comments received.

Prepare, sign and seal a letter summarizing the impact of the project on flood profiles and peak flows.

6. HYDROLOGIC AND HYDRAULIC (H&H) ANALYSIS:

A. Drainage Analysis: Perform a comprehensive H&H analysis of the contributing drainage area, which may include, but is not limited to, development and/or refinement of existing H&H models, evaluation of FEMA effective model(s), evaluation of existing drainage infrastructure and channel capacities. This analyses should be performed for the 2-year (50% annual exceedance probability (AEP)), 10-year (10% AEP), 100-year (1% AEP), and 500-year (0.2% AEP) storm events.

B. Alternative Analysis: Evaluate feasible drainage improvements and alternatives for executing the project scope. This analysis should provide the quantification of results/benefits for the project with a detailed narrative and supporting tables, exhibits, and appendices. The report should document no adverse impacts upstream or downstream of the project and include an assessment of the benefits for each storm event, including, but not limited to:

1) Number of parcels/structures impacted;

2) Inundated area (including regulatory floodplain) impacted;

3) Miles of roadway impacted

C. No-Rise Analysis: Using the existing H&H models, conduct required H&H analyses to assess proposed conditions based on final design for the recommended project to support a No-Rise Analysis. Determination and quantification of benefits shall generally be performed and documented as required per HCFCD document titled “Development and Implementation of a Standard for Tracking Benefits for Flood Risk Reduction Projects”, and should comply with FEMA floodplain requirements.

1) Provide a sealed No-Rise Certificate and letter summarizing the impact of the Project on flood profiles and peak flows to support the application for a development permit from the Floodplain Administrator.

7. DESIGN, OPERATIONS AND MAINTENANCE REPORT

A. Engineer will prepare a design documentation memorandum. The memorandum will include any design decisions and changes, including benefits, from the Technical Memorandum Report, final design plans, and as-built (“record”) drawings.

B. Engineer will develop an operations and maintenance plan for District staff and contractors to use for routine maintenance and operation in accordance with District requirements.

8. SPECIAL LICENSES AND PERMITS

A. Obtain and pay for required special licenses and permits for successful execution of this project. The actual costs, including required inspection fees, shall be reimbursed by the District.

B. This additional service does not include engineering work associated with Basic Services.

9. TRAFFIC CONTROL PLAN (TCP)

A. Provide construction sequencing and TCP in accordance with general traffic engineering principles and practices governing traffic control during construction as prescribed by the guidelines of the “Texas Manual on Uniform Traffic Control Devices” (TMUTCD), and District requirements.

10. SUBSURFACE UTILITY EXPLORATION (SUE)

A. Conduct where appropriate a subsurface utility exploration (SUE) to definitively locate potential utilities (public and private) that are in conflict with the project. Located utilities shall then be shown on the plans as location verified. This task must be approved by the Department Manager.

11. BIDDING PHASE

A. Attend and assist the District in conducting the pre-bid conference including answering questions and interpreting the drawings and specifications.

B. Prepare necessary addenda to address issues or clarifications necessary for completion of the bidding process.

C. Review tabulated bid results for discrepancies including potential unbalancing of unit bid prices and provide a written recommendation issued on company letterhead for the award of a construction contract.

D. Provide clarification, correct discrepancies, correct errors and omissions; assist the District in evaluating the bid proposals; and assist in the preparation of a construction contract between the District and the successful bidder.

E. Prepare a Submittal Log in coordination with the District Design and Construction Project Managers for District approval. The log shall list those items identified in the Contract Documents that require a submittal by the Contractor for District approval. Issue the Submittal Log to the Contractor within one week after the project is awarded.

F. Prepare a set of “Issued for Construction Drawings” within 10 business days after bids are received. Revise the “Issued for Construction Drawings” to reflect all addenda changes made to the Bid Documents during the bid period.

12. CONSTRUCTION PHASE

A. Assign a professional engineer licensed in the State of Texas to manage the Project and to attend meetings of any official nature concerning the Project, unless otherwise set forth in the Scope of Work or approved in writing by the District. All submittal approvals, Request for Information (RFI) responses, pay applications and changes in contract must include the signature of the Construction Manager, Engineer of Record or their equally qualified designee also licensed as a professional engineer in the State of Texas.

1) Schedule and attend a pre-construction prep meeting to discuss with the District Construction Project Manager the roles and requirements during construction.

2) Attend pre-construction conference scheduled and conducted by the District.

3) Prepare for, schedule, and conduct monthly construction progress meetings at the project site with the District and the Contractor in attendance. Meetings shall be scheduled a minimum one (1) week prior to the contractor’s scheduled application for payment. Items to be updated and discussed include:

a. Meeting Agenda

b. Update to Submittal and RFI Logs managed in Unifier.

c. Receive a revised construction schedule from the contractor, review the schedule and provide comments to District Construction Project Manager. Schedules shall be tracked in the Submittal process in Unifier.

d. Work progress accomplished in previous month

e. Issues encountered at the construction site

f. Planned activities for next month

g. Progress meeting notes shall be prepared, distributed for comments, finalized after incorporating comments and provided to the attendees at the next meeting.

4) Make periodic visits to the Project site at appropriate intervals (not less than monthly) as construction proceeds to observe and provide a written construction site observation report in a format provided by the District.

Personal Protective Equipment (PPE) requirements at the project site shall be followed, and all visitors must check in with the District Inspector immediately upon accessing the site. Monthly visits shall be combined with the monthly construction progress meetings.

a. When making a site visit, Engineer shall check in with the District’s Inspector at the site so it can be noted in the Daily Work Report. If the inspector is not present, Engineer shall notify the District Construction Project Manager of being on-site.

5) Immediately notify the District Inspector and the District Construction Project Manager of any unsafe conditions or major work deficiencies observed during the site visits to incorporate into the daily work report.

6) Submittals: Engineer will manage and review submittals, shop drawings, samples, and other submissions furnished by the Contractor that are submitted to the Engineer in Unifier. Engineer will determine if the shop drawings, samples, and other submissions conform to the requirements of the Contract Documents.

a. Engineer will review and respond to the contractor per contract terms with copy to the District.

b. If a submittal from a contractor is for approval of a disposal site for excavated material, the Engineer will forward the submittal to the District’s Environmental Regulatory Compliance Department and will not issue approval or disapproval of the site without written notification from the District’s Environmental Regulatory Compliance Department.

c. Engineer will review baseline and monthly progress schedule submittals and provide monthly schedule review worksheets with schedule review.

7) Requests for Information (RFI’s): The Engineer shall manage RFIs through Unifier. Provide all responses within three (3) business days of a logged request. Responses shall clearly provide design clarification and recommendations to assist the District in resolving field problems relating to construction.

a. If the response does not impact the contract time and/or result in a change in cost, the Engineer shall provide responses directly to the Contractor within three (3) business days.

b. If the response does impact the contract time and/or result in a change in cost, the Engineer shall provide a draft response to the District.

Engineer shall coordinate with the District for a response prior to returning to the Contractor.

8) When required as a result of field conditions, an RFI, or other reasons, Engineer shall coordinate modifications to construction documents as needed during construction of the project. Engineer will include an opinion of whether any additional costs or time or changes to the contract are potentially warranted. Upon approval by the District, the Engineer shall issue the revised plan(s) to all planholders.

a. The Engineer shall maintain a formal list of planholders and track all plan revisions on the list.

b. The Engineer should also obtain and coordinate with the Engineer of Record any change in quantities (extensions, additions and deletions) with all revisions.

9) Evaluate contractor change and cost proposals, including changes by RFI’s, by preparing an estimate of the extended pay item quantities and the new pay items required. Document sources used to determine the costs for new work.

Recommend to the District Construction Project Manager to either approve or disapprove the contractor's proposal and justify the recommendation by providing all backup used in the evaluation of the cost proposal.

10) Review monthly pay estimates to substantiate contractor payments. Notify District Construction Project Manager within five (5) business days of receipt if issues or concerns are found. If designated by the District, the Engineer will approve contractor’s payment applications.

11) Engineer shall review all material test results received from the contractor and/or the District’s Independent Material Testing and Engineering consultant.

Engineer shall advise the District Construction Project Manager in writing if any discrepancies are observed and evaluate solutions proposed by the Contractor for failing materials

12) Schedule and conduct at the appropriate time a 90% construction site walkthrough. Scheduling shall be coordinated through the District Design Project Manager and include invitations to appropriate District staff that will be responsible for maintenance and further efforts at the site after construction is complete. PPE requirements at the project site shall be followed and all visitors must check in with the District Inspector immediately upon accessing the site.

Prepare a site observation report to document all comments received by the attendees. This site visit shall be scheduled coincident to a monthly construction progress meeting.

13) Schedule and conduct the Substantial Completion inspection (a definition of Substantially Complete is provided in the Project Manual General Conditions or as provided in Special Provisions). Engineer shall review and approve the list of items remaining to be completed or corrected by the Contractor (the Punch List - input by the Inspector into Unifier), within one (1) business day after the date of the inspection. When the Project is found by the Engineer to be Substantially Complete, the Engineer will provide approval through Unifier stating such.

14) Schedule and conduct the Final Inspection to verify all Punch List items have been corrected by the Contractor.

15) Engineer shall coordinate with the Engineer of Record and the District to determine the final quantity of material excavated in comparison with the pre-construction conditions and submit to the District. This determination will be made using either survey conducted by the Engineer if currently authorized to do so, or with survey provided by others (usually the Contractor) and provide written comments to the District of any concerns or discrepancies. Final approved quantities should be logged on the submittal process in Unifier.

16) Engineer shall review and sign off on final pay estimate within two (2) business days.

17) The Engineer shall coordinate preparation of the Record Drawings. The Record Drawings shall become the property of the District and shall show significant changes made in the Work by the Contractor during the construction of the Project. Record Drawings shall be prepared on the original “Issued for Construction” drawings in the format specified by the District at the time of execution. The Engineer of Record shall prepare the Record Documents based solely upon the annotated “as-built” drawings, addenda, revisions issued by the Engineer, and change orders. Engineer shall also include any other data furnished by the District or the Contractor which the Engineer feels is substantial. The Engineer of Record should label the drawings as Record Drawings, and follow Record Drawings standards, as provided by the District.

B. Provide the services of a Resident Project Representative (“RPR”) at the Site to assist the

Engineer and District, and to provide extensive observation of Contractor’s work. Duties, responsibilities, and authority of the RPR are as set forth herein. The furnishing of such RPR’s services will not limit, extend, or modify Engineer’s responsibilities or authority except as expressly set forth herein.

1) RPR is Engineer’s representative at the site, will act as directed by and under the supervision of the Engineer, and will confer with Engineer regarding RPR’s actions.

2) RPR shall provide representation which is estimated at 20 hours on average per week for the duration of the project. Additional hours including night and/or weekend work may be required.

a. A week is hereby defined as five calendar days, not including Sundays, Saturdays, and County holidays, in which weather or other conditions permit a contractor’s performance of work on the project for a continuous period of not less than seven

(7) hours between 7:00 am. And 6:00 p.m.

3) Through RPR's observations of the Work, including field checks of installed materials and equipment, materials on hand, and materials testing processes, Engineer shall endeavor to provide further protection for District against defects and deficiencies in the Work.

4) The qualification requirements of the RPR are as follows:

a. Bachelor of Science in Civil Engineering, Engineering Technology, Construction

Management, or closely related field

b. Experience as a construction manager, construction engineer, RPR, or in an equivalent role on at least 2 projects similar to the type, complexity and size of the project designed under this scope of services.

c. Experience in the construction of cast-in-place RCB’s, roadway bridges, large diameter water lines, and traffic control

d. Familiarity with District, City of Houston, TxDOT and UPRR Requirements.

5) The duties and responsibilities of the RPR are as follows:

a. General: RPR’s interactions in matters pertaining to the Work in general shall be with the Engineer, District and Contractor. RPR’s interactions with Subcontractors shall only be through or with the full knowledge and approval of Contractor. RPR shall provide information to the District with the knowledge of and under the direction of Engineer.

b. Schedules: Review the progress schedule, schedule of Shop Drawing and Sample submittals, schedule of values, and other schedules prepared by Contractor and consult with Engineer concerning acceptability of such schedules.

c. Conferences and Meetings: Attend meetings with Contractor and District, such as preconstruction conferences, progress meetings, job conferences, and other Project-related meetings (but not including Contractor’s safety meetings), and as appropriate prepare and circulate copies of meeting minutes thereof.

d. Safety Compliance: Comply with the Site safety programs, as they apply to RPR, and if required to do so by such safety programs, receive safety training specifically related to RPR’s own personal safety while at the Site.

e. Liaison:

I. Serve as Engineer’s liaison with Contractor. Working principally through Contractor’s authorized representative or designee, assist in providing information regarding the provisions and intent of the Construction Contract Documents.

II. Assist Engineer in serving as District’s liaison with Contractor as requested.

III. Assist in obtaining from District additional details or information, when required for proper execution of the Work.

IV. Assist Engineer in serving as Liaison with the District to inform the District of inquiries by the public concerning the Work, as required.

f. Clarifications and Interpretations: Receive from Contractor or District submittal of any matters in question concerning the requirements of the Construction Contract Documents (sometimes referred to as requests for information or interpretation— RFIs), or relating to the acceptability of the Work under the Construction Contract Documents. Promptly report to Engineer regarding such RFIs. Report to Engineer when clarifications and interpretations of the Construction Contract Documents are needed, whether as the result of a Contractor RFI or otherwise. Promptly transmit Engineer’s clarifications, interpretations, and decisions to Contractor and District.

g. Shop Drawings:

I. Promptly inform Engineer, District and Contractor of the commencement of any portion of the Work requiring a Shop Drawing or Sample submittal, if RPR believes that the submittal has not been received from Contractor, or has not been approved by Contractor or Engineer.

h. Proposed Modifications: Receive, in the form of RFIs, Contractor’s suggestions for modifications to the Drawings or Specifications, and report such suggestions, together with RPR’s recommendations, if any, to Engineer and District. Transmit Engineer’s response to RFIs to the Contractor and District.

i. Review of Work; Defective Work:

I. Report to Engineer and District whenever RPR believes that any part of the

Work is defective under the terms and standards set forth in the Construction Contract Documents, and provide recommendations as to whether such Work should be corrected, removed and replaced, as provided in the Construction Contract Documents.

II. Inform Engineer and District of any Work that RPR believes is not defective under the terms and standards set forth in the Construction Contract Documents, but is nonetheless not compatible with the design concept of the completed Project as a functioning whole, and provide recommendations to Engineer for addressing such Work. ; and

III. Advise Engineer and District of that part of the Work that RPR believes should be uncovered for observation, or requires special testing, inspection, or approval.

j. Records:

I. Maintain at the Site orderly files for correspondence, reports of job conferences, copies of Construction Contract Documents including all Change Orders, Field Orders, Work Change Directives, Addenda, additional Drawings issued subsequent to the execution of the Construction Contract, RFIs, Engineer’s clarifications and interpretations of the Construction Contract Documents, progress reports, approved Shop

Drawing and Sample submittals, permits, and other Project-related documents, as required.

II. Prepare construction site observation reports daily, for each day the RPR is on the project site, in a format provided by the District and submit to the District Construction Project Manager on a weekly basis.

III. Upon request from District, photograph or video Work in progress or Site conditions.

k. Reports:

I. Immediately inform Engineer and District of the occurrence of any Site accidents, emergencies, acts of God endangering the Work, possible force majeure or delay events, damage to property by fire or other causes, or the discovery of any potential differing site condition or Constituent of Concern.

l. Completion:

I. Participate in Engineer’s and District’s site visits to determine the status of

Work prior to Substantial Completion. Assist in the determination of Substantial Completion, and prior to the issuance of a Certificate of Substantial Completion submit a punch list of observed items requiring completion or correction.

II. Participate in Engineer’s visit to the Site in the company of District and

Contractor, to determine completion of the Work, and prepare a final punch list of items to be completed or corrected by Contractor.

III. Observe whether all items on the final punch list have been completed or corrected and make recommendations to Engineer concerning acceptance.

Resident Project Representative shall not:

a) Authorize any deviation from the Construction Contract Documents or substitution of materials or equipment (including “or-equal” items).

b) Exceed limitations of Engineer’s authority as set forth in this

Agreement.

c) Undertake any of the responsibilities of Contractor, Subcontractors, or

Suppliers, or any Constructor.

d) Advise on, issue directions relative to, or assume control over any aspect of the means, methods, techniques, sequences or procedures of the Work, by Contractor or any other Constructor.

e) Advise on, issue directions regarding, or assume control over security or safety practices, precautions, and programs in connection with the activities or operations of Owner or Contractor.

f) Participate in specialized field or laboratory tests or inspections conducted off-site by others except as specifically authorized by Engineer.

g) Accept Shop Drawing or Sample submittals from anyone other than Contractor.

h) Authorize Owner to occupy the Project in whole or in part.

C. Optional Task - Biological Monitoring: Should Alligator Snapping Turtles (ASTs) or their habitat be identified within the project limits, perform the following:

1) Prior to construction, Engineer would establish a 100-foot buffer (i.e.

exclusion fencing) around active construction zones with the potential to adversely affect ASTs species or their habitat.

2) Upon completion of construction activities, Engineer would remove all exclusion fencing.

3) The exclusion fence shall be constructed of 4-foot tall, 11.5 gauge galvanized chain-link fence mounted on 6-foot T-posts spaces every 8-feet.

4) During construction, Engineer would provide daily monitoring of construction activities which in areas suitable for AST.

5) Daily monitoring reports will be furnished to HCFCD as part of this task.

D. Optional Task - Environmental Awareness Training: To comply with the USFWS condition that construction managers, workers, and subcontractors be educated prior to conducting construction work, Engineer would provide training materials related to the identification, habitat requirements, and avoidance measures for federally and state-listed species that may be present within the project area.

1) Engineer would lead a half-day training event with appropriate construction personnel prior to the start of construction activities.

2) Training materials would be provided as handouts (this scope assumes 25 handouts) to be distributed to contractors working on the project to facilitate species and habitat recognition.

3) Construction staff will be advised that “If any protected species (identified in the training materials) is observed near active work areas, work should cease immediately, and notifications provided to HCFCD and Engineer. Work will not resume until clearance is made by

HCFCD”.

13. LOMR

A. If required, Conduct post construction FEMA activities such as LOMR.

14. REVISIONS

A. Make requested revisions to documents and materials prepared under this Agreement.

B. Provide such engineering services necessary for such revision, when they are not necessitated by any fault of the Engineer and such revisions are inconsistent with approvals or instructions previously given by the District, or are made necessary by the enactment or revision of codes, laws, or regulations issued subsequent to the preparation of such documents.