J.6 BL Hooks 3510 SOW.pdf

11/17/2022

X

COR

Division of Facilities and Asset Management Signed by: Employment Training Administration

DESIGN-BUILD SCOPE OF WORK

FOR

HVAC AND ROOFS REPLACEMENTS

BUILDING 1-DORMITORY

BUILDING 2-GYNASIUM

BUILDING 3-MAIN BUILDING

AT THE

BENJAMIN L. HOOKS JOB CORPS CENTER

MEMPHIS, TN

U.S. DEPARTMENT OF LABOR

PREPARED BY:

NOVEMBER 2022

PROJECT NO. 3510

DBSOW

Benjamin Hooks Job Corps Center Design-Build | National Project TOC-1

BUILDING 1—DORMITORY

BUILDING 2—GYMNASIUM

BUILDING 3—MAIN BUILDING

BENJAMIN L HOOKS JOB CORP CENTER

TABLE OF CONTENTS

I. GENERAL

A. SCOPE BACKGROUND

B. SCOPE INTENT

II. DESIGN REQUIREMENTS/SPECIFIC INSTRUCTIONS

A. LEGALLY MANDATED STANDARDS

B. JOB CORPS GUIDELINES

C. OTHER STANDARDS

D. SPECIFIC INSTRUCTIONS

III. USE OF THE SITE

A. SITE ACCESS

IV. EXTENT OF WORK

A. DESIGN OBJECTIVES (ROOFING)

B. DESIGN OBJECTIVES (HVAC)

V. CONSTRUCTION REQUIREMENTS/ SPECIFIC INSTRUCTIONS

A. QUALITY REQUIREMENTS

B. TEMPORARY FACILITIES AND CONTROLS

C. ADHERENCE TO SCOPE OF WORK

D. INCIDENTAL CUTTING AND PATCHING

E. COORDINATION OF WORK

VI. SKETCHES

A. LOCATION MAP

B. VICINITY MAP

C. SITE PLAN

D. LAYDOWN AREAS

E. FLOOR PLANS

E. FLOOR PLANS (cont’d.)

VII. PROJECT SCHEDULE

*Note Links are provided throughout this document to access attachments and additional information online for this document.

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BUILDING 1—DORMITORY

BUILDING 2—GYMNASIUM

BUILDING 3—MAIN BUILDING

BENJAMIN L HOOKS JOB CORP CENTER

I. GENERAL

A. SCOPE BACKGROUND

1. The Benjamin Hooks Job Corps Center is located on a twenty-four-acre site in the City of Memphis, Tennessee. The facility is owned by the U.S. Department of Labor (Department) and is operated by Education and Training Resources.

2. This property is not classified as a historic site.

B. SCOPE INTENT

1. The work includes design-build services for the replacement of the roofs and HVAC systems at three buildings: Building 1 (Dormitory); Building 2 (Gymnasium); and Building 3 (Main Building). The extent of work is described in Parts IV & V of this scope of work (SOW).

2. The “Contractor Quick Reference Checklist”, is a required form that identifies a simplified but not all-inclusive list of issues that the Contractor needs to address as due diligence items during the design phase. The JCH-814 paragraphs shown provide an initial design reference; however, reference to other sources may be required to fully address the issue. The editable checklist can be retrieved online at http://www.solicitationattachments.com/blhooks3510/05blhooks_dbquickref.docx.

3. “Quality Control, Testing, and Inspection Services Requirements” outlines the minimum quality control, testing, and inspection procedures and practices which are required to ensure the completed construction meets or exceeds both the contract requirements and the Government-accepted Contractor design.

II. DESIGN REQUIREMENTS/SPECIFIC INSTRUCTIONS

A. LEGALLY MANDATED STANDARDS

The Design-Build Contractor referred to as ‘the Contractor’ throughout this scope shall conform to:

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1. Federal and National Codes

a. Safety and Health………………………………....….OSHA 29 CFR Part 1926.62

1) For bidding purposes, the Contractor shall assume that there is no lead paint present.

2) If lead paint is discovered during the work the Contractor shall immediately notify the Contracting Officer (CO).

b. Disability/Accessibility as Applicable………………….…..……28 CFR Part 36

1) The design shall be in strict conformance with the Architectural Barriers Act

Accessibility Standard (ABAAS) of 2015 from the General Services Administration. The Contractor shall conduct a thorough research of these guidelines and, without exception, comply to the fullest extent, including those guidelines pertaining to the visually and hearing impaired.

2) No deviations from these guidelines are allowed. However, if the Contractor, at any Design Review Submittal, demonstrates that the compliance requirements would be technically infeasible or that compliance will cause an undue burden as defined by the guidelines, the Contractor is obligated to notify the CO, in writing, for a final decision on such requirements.

3) These standards can be printed from the website at:

http://www.wbdg.org/FFC/USAB/ABAstandards.pdf.

c. Life Safety

Code…………………………………………………..…………...NFPA-101

1) The Contractor’s shall adhere to the current National Fire Protection Agency requirements as they related to this project.

2) The Contractor’s responsibility for safety related requirements extends to all impacted areas and access ways affected by the work.

2. National and State Building Codes

a. The Contractor shall conform to all applicable construction codes, ordinances, and regulations including the national building codes used in the local area, laws, and locally adopted ordinances. The most recent version of the IBC shall be used.

b. Deviations and interpretations shall be subject to the approval of the CO.

Consider whether special requirements should be included because of the geographic location, i.e., heavy wind, or storm features for the United States Southeast Region.

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3. Permits and Licenses

a. The Contractor shall research, and be responsible for obtaining, all regulatory, permitting and licensing requirements required to perform this work in Memphis, Tennessee, and in accordance with the latest adopted National, State and local codes and Amendments and the JCH-814, 2013 Section 1.7.

b. No drawings or specifications shall be submitted for building permits unless express notification in writing is received from the CO.

B. JOB CORPS GUIDELINES

1. Job Corps publication “JCH-814: Planning, Design, and Construction Administration Guidelines for Architects and Engineers” including Amendment 1 dated September 2015, is a companion document to this scope of work.

2. This publication will from this point forward be referenced as “JCH-814” and can be found at http://www.solicitationattachments.com/jch814sept2013.pdf.

3. JCH-814 presents the Contractor with additional design criteria not specifically stated in the scope of work. Where conflicts occur between the requirements of the contract and JCH 814, the requirements of the contract shall take precedence.

C. OTHER STANDARDS

1. Life Cycle Cost (LCC) Analyses

a. LCC shall be utilized as the basis for recommendations in making the selections of energy sources, systems, and equipment, and building materials. However, the design shall be consistent and in accordance with the extent of the scope of work, the budget, and the energy performance requirements.

b. At the 15% Schematic submittal, the LCC analyses for the mechanical systems and fuel shall be submitted with recommendations for review and shall be approved and revised as necessary as equipment is selected and specified. The LCC's shall be run on NIST's Building Life Cycle Cost (BLCC) and Discount software programs.

c. The BLCC program shall be run on the OMB A-94 guidelines, using the discount factor from the latest edition of OMB Circular No. A-94 under “Real Interest Rates.”

d. Upon request, the Department will furnish this software to the Contractor free of charge.

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e. The BLCC software is also available on the Federal Energy Management Program website at http://energy.gov/eere/femp/building-life-cycle-cost-programs under the heading “BLCC 5.3(latest version)” for a Windows version.

2. Sustainable Design and Building Requirements

a. The Contractor shall provide materials and equipment that comply with the Green

Sheet Job Corps Sustainability Guidelines.

b. The Green Sheet guideline is available for download and reference at http://www.solicitationattachments.com/jch/green_sheet_20171205.pdf.

3. Energy Conservation

a. All new work shall be designed in accordance with energy conservation opportunities and applicable federal directives. In response to energy conservation concerns, all proposed construction will conform to the current edition of the Model Energy Code of the State of Tennessee.

b. All work shall be designed to meet or exceed the requirements of the Energy Policy Act of 2005 (or latest version), which includes Sections 103, 104, 109, 131, 553; Executive Orders 14057 and all other applicable federal and local codes and directives. New equipment shall be Energy Star and comply with FEMP designated products where applicable.

c. The following energy standards will apply:

1) ASHRAE 90.1-2019.

2) Energy and water consuming products which are in the upper 25% of energy and water efficiency whenever practicable and cost effective.

3) Meet or exceed requirements of the Energy Policy Act of 2005 (or latest version).

4) New equipment shall be Energy Star compliant.

5) Federal Energy Management Program (FEMP) designated products where applicable.

6) Energy analyses mut be per ASHRAE 90.1-2019 Appendix G or IECC 2018.

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4. Asbestos-Containing Materials and PCB Fluorescent Light Ballasts.

a. An asbestos survey of the main roof was conducted on March 11, 2021 and found no ACM within the roofing material as mentioned under IV.B.1. Architectural. A copy of the survey is available for reference and download at http://www.solicitationattachments.com/blhooks3510/01bhooksasbestos.pdf. A Hazardous Materials Inspection Main Building 3 was conducted May 10, 2022, a copy of which is available for reference and download at http://www.solicitationattachments.com/blhooks3510/02blhookshazmat.pdf.

b. For bidding purposes, the Contractor shall assume that there is no asbestos-containing materials or PCB Fluorescent Light Ballasts in the locations where work is to be performed.

c. If asbestos-containing materials or PCB Fluorescent Light Ballasts are discovered during the work the Contractor shall notify the CO in writing immediately upon discovery.

5. Commissioning

a. The building HVAC Systems and Controls shall be commissioned by an experienced Commissioning Agent (CxA).

b. Commissioning standards shall be per the Building Commissioning Association’s Building Commissioning Handbook, Second Edition. Building Commissioning shall be as indicated on the Building Commissioning Compliance Form.

c. The CxA may be from an independent firm hired by the Contractor or a member of a design team firm, but not a member of the design team itself. In addition, the CxA shall:

1) Provide 15% and 60% design phase reviews and comment of the existing

HVAC control systems. These reviews are to be included in the design submissions.

2) Provide a commissioning plan and a commissioning report, including a commissioning schedule. Include in the schedule re-commissioning after ten

(10) months.

3) Provide training and orientation of commissioned systems (using manufacturers' written or online manuals) to the appointed maintenance and operations staff, comprising the requisite knowledge to properly maintain commissioned systems for optimal performance.

4) The CxA shall record a video of this training using the manufacturer's manuals for inclusion in the Substantial Completion documentation.

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5) Provide a systems operating manuals for the facility maintenance staff with the information needed to understand and optimally operate the commissioned systems.

6. Existing Facility Investigative Survey

a. As-built documents are not available. However, a set of construction and mechanical drawings of Building 3—Main Building’s renovated Cafeteria areas and of Building 2—Gymnasium, exist and are available for download at http://www.solicitationattachments.com/blhooks3510/12blhooks_dwg_memph_pr ep.pdf.

b. These drawings also show mechanical rooftop equipment throughout Building 3.

Construction drawings of Building 1, Dormitory, are also available for download as noted above.

c. The above documentation is for reference only and does not relieve the

Contractor of the responsibility to conduct site visits and field verify all relevant system components and conditions.

d. The Contractor shall perform an investigative survey to verify all existing conditions, dimensions, layouts, existing system types and conditions in and around the construction areas, and to determine if there are hidden conditions or elements which will impact the proposed design.

e. Demolition may be required to expose suspected unknown elements. In the event of demolition being required to expose unknown elements, the Contractor shall notify the Engineering Support Contractor (ESC) Project Manager (PM) and coordinate demolition activities with the Center’s maintenance staff.

f. The Contractor shall inform the CO immediately upon discovery of any unforeseen conditions which may affect the work.

g. The survey will determine the extent of any hidden structural elements. The design and spacing of hidden structural elements shall be investigated.

h. The survey will locate any hidden mechanical or electrical components, the presence of which would impact the proposed design.

i. Any damaged or deteriorated decking or other substrate that may need to be repaired or replaced.

j. The survey will locate and determine the adequacy and functional status of all roof drains and related accessories.

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k. Any openings in the exposed finishes created to perform the investigative survey shall be sealed and restored in all areas where there are occupants. Any opening hidden by the exposed finish¸ such as a drop-in ceiling, need only be sealed.

D. SPECIFIC INSTRUCTIONS

1. Center Operation

a. The Center will remain in operation throughout the performance period.

b. The Contractor shall, as part of this contract, coordinate with the Department’s

ESC the development of a set of construction documents that will minimize disruption of Center operations during construction.

c. Building 1 work shall be performed in Phase I of construction. Upon completion of Phase I Building 3 shall be performed under Phase II of construction. Building 2 work may start concurrent with Building 1 work and must be completed no later than the completion of Building 3 work.

d. Sequencing and phasing of the construction work is required to allow the Center to operate in a normal fashion during construction. The Contractor shall submit a Project Phasing and Sequencing Plan of the work in coordination with the Center to minimize potential disruption to Center operations. Said Phasing and Sequencing Plans shall be submitted with the Contractor’s CMP Construction Schedule as an accompanying document. The Phasing and Sequencing Plans will define the sequencing of mobilization activities, roofing work, and mechanical equipment replacement. The Phasing and Sequencing Plans must adhere to the following parameters:

1) Building 1: Work hours from 8am to 4pm

2) Buildings 2 and 3: Work hours from 8am to 5pm

3) Extended hours and weekend work will be allowed subject to prior notification to and approval by the CO.

4) For bidding purposes, a suggested HVAC Sequencing Plan for Building 3 is provided in Section VI / G herein.

5) Prior to removal and replacement of any Building 2 HVAC unit the following work must be complete:

a) Space temperature sensors and central temperature controller installed, and all control wiring rough ins to HVAC Roof Top Unit (RTU) location as required and ready for unit connection.

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b) All electrical service to RTU rough in complete to RTU location and ready for unit connection.

c) The existing ductwork and air devices served by RTUs must be cleaned ahead of new RTUs installation.

6) Prior to removal and replacement of any Building 3 RTU the following work must be complete:

a) Space temperature sensors and central temperature controller installed, and all control wiring rough-ins to RTU location as required and ready for unit connection.

b) All existing ductwork and air devices served by RTUs must be cleaned ahead of new RTUs’ installations.

c) All electrical service to RTU rough in complete to RTU location and ready for unit connection.

d) Removal and replacement of any Building 3 RTU must be accomplished within a 24 hour period or less and unit placed into full operation.

7) Removal and replacement of any Building 1 exhaust fan must be accomplished in a single work day between the hours of 8am to 4pm. and unit placed into full operation.

2. Contractor’s Responsibilities.

a. The Contractor is responsible for the safety of all faculty, staff and students entering and exiting the building. All entrances will have covered pedestrian walkways that will substantially limit traffic flow except along the sidewalk or paved path a minimum of 25 feet from the building, full width of the sidewalk.

b. The Contractor’s design shall meet the programmatic requirements as outlined in this scope of work and in the JCH-814.

c. The specified construction materials shall be of quality that is consistent with the intended use of the facility, the Center, and reflect local availability and construction skills. Newly developed materials and methods should be considered and discussed with the Department for inclusion in the project.

Installers shall be certified by the manufactures of the products they install.

d. The Contractor shall ensure the security of operations and storage areas to preclude all breaches of security that can impact the timely and successful completion of the work, including but not limited to, vandalism and/or theft.

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e. The Contractor shall not rely on any aspect of Center security to guard aspects of its operations.

f. Security during all aspects and phases of construction shall be the sole responsibility of the Contractor. The CO will not accept any requests for additional security measures that impact the contracted price.

g. The Department shall not be in any way liable for loss, damage, theft, or failure to secure materials, tools, or equipment belonging to or used by the Contractor by contract or otherwise.

h. The Contractor is required to restore any areas of the site damaged by construction activities to their original condition. This includes, but is not limited to, damage to the grounds and vegetation from vehicle traffic and demolition/construction activities.

i. The Contractor shall take extra care to recover all nails and other debris from demolition of old roofing materials and/or other structures.

j. The Contractor is required to provide twenty (20) high quality photographs in digital and paper format to document the completed facility. Submission of the requisite photo record shall follow remediation of the Substantial Completion Punch List and shall be provided as part of the Contract Closeout documents.

k. The Contractor shall ensure manufacturers’ inspection reports duly document the inspections conducted, deficiencies noted, and recommended corrective actions required to maintain warranty requirements, and verification that corrective actions are completed and accepted.

l. The Contractor shall submit inspection reports to the Department's CO, the

Department's Contracting Officer Representative (COR), and the Department’s ESC Project Manager (PM) within seven (7) calendar days of the inspection.

m. The Contractor shall notify the Department and the ESC PM in writing 14 calendar days prior to each inspection.

n. Demolished materials once removed from the site become the sole responsibility of the Contractor to dispose of properly in accordance with all federal, state, and local laws.

o. The Contractor is responsible for providing to the ESC PM a tabular report indicating any materials that were disposed of in a landfill, recycled or reused adaptively. Before disposing in a landfill, the Contractor shall submit a letter describing why each major component, as follows, was not able to be recycled.

1) Waste Disposed in Landfill (tons)

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2) Waste Recycled (tons)

3) Waste Reused (tons)

3. Pre-Bid Meeting

a. A Pre-Bid Meeting with the interested Contractors will be held at the Benjamin

Hooks Job Corps Center. Participants may include representatives of the CO and/or the Department’s ESC and the Center operator.

b. This meeting is intended to familiarize the Contractors with the objectives of the project, the programmatic requirements and other inputs and constraints stemming from Center operations.

c. The Contractor's responsibility and lines of communication will also be discussed.

Project data, budget, schedule, etc., will be further defined or clarified, if necessary.

d. The Contractors are encouraged to avail of this opportunity to gather as much data as they deem necessary to aid in the preparation of a proposal to the CO. All prospective bidders are strongly encouraged to attend.

4. Submittal Requirements

a. The required submission levels are as follows; percentages are an approximate fraction of completed construction documents.

Major Renovation

Schematic Design 15%

Progress Construction Documents 60%

Final Contract / Coordination Drawings 100%

Issued For Construction (IFC) Final

b. All submittals shall be in accordance with JCH-814, Section 8.4. This project will require the following submittals:

1) Schematic Design (15%)

a) The Contractor shall provide a Schematic Design (15%) submission and a presentation within 8 weeks of receipt of the Notice to Proceed (NTP).

b) The submission of the Schematic Design shall be followed by an on-board presentation conducted by the Contractor approximately one week

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2) Progress Construction Documents (60%)

a) The Contractor shall provide a Progress Construction Documents

(60%) submission, including all corrections and design review comment responses from the 15% submission.

b) At the 60% design submission, the design for the following shall be at a 100% design completion stage:

(1) 100% design of all mechanical, plumbing, and electrical equipment, including fire alarm tie-ins at the 60% design submission allowing long lead times to be reduced for construction and installation.

(2) 100% roofing system design.

c) Upon approval of the 60% design submission, the Contractor may proceed with, submitting the following submittals:

(1) Submission of all material and shop drawings for the work associated with the roofing system, HVAC controls, mechanical and electrical equipment and its wiring, including the fire alarm tie-ins.

(2) No other work shall commence until Issued For Construction Documents are received and approved by the CO.

3) Final Contract Documents and Coordination Drawings (100%)

a) The Contractor shall provide a Final Contract Documents and

Coordination Drawings (100%) submission, including all corrections and the design review comment responses from the 60% submission.

b) The 100% submission shall be based on the schedule contained in

Section VII and the approved Building 3 Phasing Plan.

4) Issued For Construction (IFC) Documents

a) Two (2) weeks from receipt of approval by the CO of the Final Contract

Documents and Coordination Drawings (100%), the Contractor shall submit the Issued For Construction (IFC) documents.

b) The IFC submission shall include all corrections and design review comment responses from the 100% submission.

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c) The Issued For Construction (IFC) submission shall be sealed and dated by the appropriate professionals.

5) Three copies of the updated “DB Contractor Quick Reference Checklist” shall be provided with each design submission. The checklist can be retrieved online at:

http://www.solicitationattachments.com/blhooks3899/19blhooks_dbquickref.

docx.

5. Submittals for Review

a. The Contractor shall allow the Department a 21-calendar day review period for all submittals.

b. For the Schematic Design (15%) submission, the Contractor shall submit two (2) sets of drawings and specifications, as well as two (2) sets of life cycle analyses, design calculations, the design narrative to the CO for evaluation.

c. For the remaining submissions (the 60%, 100%, and Issued For Construction

(IFC) sets) the Contractor shall submit three (3) sets of drawings (1 set of full size, 2 sets ½ size) and specifications, as well as two (2) sets of life cycle analyses, design calculations, the design narrative to the CO for review and approval. The mailing address for the CO is below:

DOL Contracting Officer (CO) c/o Engineering Support Contractor 2101 Wilson Boulevard, Suite 400

Arlington, VA 22201

d. The Contractor shall also submit one (1) set of full-size drawings at 60%, 100%, and IFC level directly to the Job Corps Data Center. The mailing address for the JCDC is below:

Job Corps Data Center (JCDC) Attn.: Kary Daniell 4041 Bluefish Dr.

Hernando Beach, FL 34607

e. The Contractor shall also submit one (1) half-size set of drawings and specifications at the 60%, 100%, and IFC level directly to the Benjamin Hooks Job Corps Center. The mailing address for the Job Corps Center is below:

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Benjamin Hooks Job Corps Center Attn.: Tracy Ingram, Center Director

1555 McAlister Drive.

Memphis, Tennessee 38116

f. In addition to the above, all design submissions and complete project documents shall also be delivered electronically through Submittal Exchange to the Department by the Contractor (See Item 8. below).

g. Two (2) sets of Finish Boards shall be included with the 60% submission to the

CO.

h. The levels of detail required for each stage of the submittals are outlined in JCH-

814, Section 8.4.

i. The Contractor is required to maintain the schedule per the contract and shall indicate to the CO ways and means to recover lost time due to delays.

j. No additional time will be given to the Contractor unless it is determined by the

CO that the delay is legitimate and unavoidable, and that the Contractor has prudently exercised all options within its authority and ability to avert such delays.

6. Submittal Formats

a. Drawings shall be in both “AutoCAD” (version 2020 or later) and PDF format submitted on CD/DVD or flash/thumb drive media.

b. Specifications shall be in both MS Word and PDF format CD/DVD or flash/thumb drive media.

c. All other project documents submitted shall be in PDF format as well as native file format on flash/thumb drive media.

7. Pre-Construction Submittals: The Contractor shall, at a minimum, submit the following for approval before commencing construction:

a. Copies of all required building and applicable permits granted by Authorities

Having Jurisdiction (AHJ).

b. CPM in Microsoft Project or Primavera P6, with electronic files.

c. Safety Plan.

d. Quality Plan.

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e. Construction Layout/Staging Plan indicating where temporary construction facilities will be located. Items of interest include, but are not limited to, temporary construction office, material storage locations, covered walkways to protect pedestrians entering and exiting the building, and material conveyance plans including temporary roof access points to be used for the work.

f. Installers qualifications certifying installers are approved and authorized by the roofing and HVAC Manufacturers to install the Manufacturer’s product and to obtain the required warranties covering workmanship and materials.

g. Product Data and Shop Drawing for all materials, equipment, and systems to be incorporated into the work.

h. Safety Data Sheets as applicable.

i. Building permits, as applicable.

8. Web Based Project Management System

a. During the construction phase, the Department shall provide, and requires the

Contractor to use, the secure online construction management system, Submittal Exchange©, that will expedite submittal information and management exchanges between members of the A/E’s team, the GC, the ESC, the Department, and other designated project stakeholders.

b. Submittal Exchange will be provided at the Department’s expense, and the Contractor shall be required to attend a one-hour on-line training session before use.

c. The system offers an unlimited user automatic information exchange, and electronic closeout documentation for the entire project. The program service provides a comprehensive online system for exchanging, reviewing, and archiving construction communications as well as product manufacturer training for users.

d. The extent of use of Submittal Exchange shall be determined by the Department and the General Contractor during the Pre-Construction Conference. The following features of Submittal Exchange may be utilized:

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1) Architect’s Supplemental Instructions (ASIs)

2) Closeout

3) Commissioning Documents

4) Compliance Documents

5) Construction Photos

6) Construction Submittals

7) Construction Videos

8) Coordination Drawings

9) Deficiency Notices

10) Design Submittals

11) Meeting Minutes

12) Monthly Executive Reports

13) Notice of Non-Compliance

14) O & M Manuals

15) Potential Change Orders (PCOs)

16) Project Data, Shop Drawings

17) Proposal Requests (RFPs)

18) Requests For Change

19) Punch Lists

20) Reports

21) Requests for Information (RFIs)

22) Substantial Completion

23) Tests & Inspections

24) Warranties

9. HVAC and Roof Design

a. The Contractor shall be familiar with Memphis, TN (local) construction methods and building materials, and shall provide a design that exemplifies the optimum balance of economy, aesthetics, life safety, ease of maintenance and speed of construction.

b. Any conceptual drawings provided in this scope of work are NOT TO SCALE.

The Department does not guarantee the accuracy of the original design drawings.

10. Site Visits / Construction Administration / Observation.

a. Site visits and construction progress meetings shall be performed in accordance with Section G. of the contract.

b. The Contractor’s construction administration services will include all duties and responsibilities as outlined in JCH 814, September 2013, Chapter 9

c. As part of the D/B team, the Contractor’s Architect/Engineer will take an active role during construction to:

1) Facilitate all construction progress meetings.

2) Prepare and distribute meeting minutes within three (3) days of each construction progress meeting.

3) Receive, review, and respond to all shop drawing submittals and RFIs

4) Prepare ASIs.

5) Visit the site on bi-weekly basis.

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6) Provide site visit reports with observations as work progresses.

7) Review all test results.

8) Record and distribute deficiency notices and/or notices of non-compliance as necessary.

9) Review all warranties, operations, and maintenance manuals.

10) Develop a punch list at the conclusion of every phase.

d. A representative of the Department’s ESC will visit the site at least once a month.

During this visit, the Contractor’s payment application will be quantified and verified.

11. As-Built Drawings

a. As-built drawings are not available. However, limited construction and mechanical drawings are available for download. Refer to Section II.C.6 Existing Facility Investigative Survey herein.

12. Pre-Design Meeting Kick-off Meeting

a. Within ten (10) days from the Notice To Proceed (NTP), the Department will conduct an introductory Pre-Design workshop at the Benjamin Hooks Job Corps Center. The Contractor’s key personnel for each design discipline and construction team members are required to participate.

b. Participants in the Pre-Design workshop will also include representatives from the Department and its ESC.

c. The workshop is intended to familiarize the Contractor with the objectives of the project, the programmatic requirements and other inputs and constraints stemming from Center operations.

d. Project data, schedule, etc., will be further defined or clarified, if necessary.

e. The Contractor shall avail of this opportunity to gather as much data as it deems necessary to aid in the preparation of the Schematic Design documents.

f. The Contractor and its design consultants shall allow one (1) day to participate in the pre-design workshop.

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III. USE OF THE SITE

A. SITE ACCESS

1. Access to the construction site shall be from the McAlister Drive located on the North side of the site (access to the Center maintenance area).

2. The Contractor will maintain this road during construction and repair the road as necessary prior to completion of the project.

B. STAGING AREA

1. Unless otherwise approved by the Department, the laydown areas shall be located as shown on diagram in Section VI—SKETCHES / D. / Laydown Areas.

2. The Contractor shall restore the laydown area to its condition as found prior to start of the project.

IV. EXTENT OF WORK

A. DESIGN OBJECTIVES (ROOFING)

1. The buildings are located in a moderate seismic zone and design and construction must comply with the applicable seismic criteria. The Contractor shall provide a complete design including both plans and specifications for Roofing and HVAC replacement at the affected buildings and structures as follows:

a. Roofing (Building 1—Dormitory)

1) The Contractor shall remove and replace the roof insulation and the existing

EPDM single ply roofing in its entirety inclusive of parapet wall membrane flashing.

2) At parapet locations the Contractor shall remove the existing metal parapet wall caps and damaged wooden plates. Replace all damaged wood plates with new 2 x pressure-treated lumber to match existing size and overlap the parapet metal wall caps with the new roofing membrane prior to installing a new parapet aluminum wall cap. Use roofing manufacturer's approved detailing. For bidding purposes, the Contractor shall base its bid on approximately 600 l.f. of removal and replacement of parapet wall cap and 2 x 10 wood plates. To be site verified prior to bid.

3) The approximate roof area to be replaced is 30,650 sq ft. For bidding purposes, the Contractor shall allow for the removal and replacement of

Benjamin Hooks Job Corps Center Design-Build | National Project Page 18 of 66 entire roofing system down to the concrete deck. The actual area shall be site-verified prior to bid.

b. Roofing (Building 2—Gymnasium)

1) Flat Roof

(a) The Contractor shall resurface the existing EPDM single ply roofing with a white, high-reflectance silicone-based coating as described herein.

(b) The approximate are of roof to be coated is 6,350 sq ft. The actual area shall be site-verified prior to bid.

(c) Re-flash all existing overflows on parapet wall.

(d) The Contractor shall clean and coat the inner faces of the parapet walls, as described in Sections IV. / C. / 4. / b. / 2) / (f), (g) and (h) herein.

2) Pitched Metal Roof.

(a) The Contractor shall re-coat the existing pitched metal roofing system.

(b) The approximate square footage affected is 16,200 sq ft. The actual area shall be site-verified prior to bid.

c. Roofing (Building 3—Main)

1) The Contractor shall remove and replace the roof insulation and the existing

EPDM single ply roofing in its entirety. The Contractor shall adjust elevation of area drain bodies as needed to accommodate thickness of new insulation.

2) The approximate square roof area to be replaced is 73,150 sq ft. For bidding purposes, the Contractor shall allow for the removal and replacement of entire roofing system down to the metal deck. The actual area shall be site-verified prior to bid.

3) The Contractor shall replace all area roof drains’ grill covers with new in-kind covers. For bidding purposes, allow for replacement of twenty-eight

(28) area drain covers. Actual number of area drain covers to be site-verified.

2. All new insulation installations shall consider a 4.5 psf design load and meet the State of Tennessee’s adoption of the 2012 IECC, the current edition of the Model Energy Code for the State of Tennessee and ASHRAE 90.1-2019 Standard.

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3. The design shall accommodate the removal and reinstallation of all incidental materials required for a complete and water-tight roofing system fully compliant with the manufacturer’s warranty requirements.

4. Roof work shall be designed and installed in accordance with the National Roofing

Contractors Association (NRCA).

5. The Contractor shall design a new 60 mil EPDM roofing system to include insulation to protect consequential damage to the building’s interior finishes and equipment.

6. The design shall include all details to accommodate the existing roof conditions including but not limited to:

a. All required flashings and counter flashings.

b. Replacement of all flashing details in exposed edges.

c. Drip edges with water diverter, gutters, downspouts.

d. Accessories, and terminations necessary to provide a fully watertight roofing system.

e. Proper slope of min ¼ inch/foot towards the roof downpipes to ensure easy and quick water flow and to prevent water ponding on the roof.

f. All code-required overflow design system components and installation.

7. The design is to include an evaluation of the existing building components and how they integrate with the intended roof systems to meet current allowable wind loads for Memphis, Tennessee.

8. The design shall comply with Executive Order 14008 "Federal Leadership in Environmental, Energy, and Economic Performance" and "Guiding Principles for Federal Leadership in High Performance and Sustainable Buildings."

9. The work shall include all investigation and design for replacement of existing systems in order to provide fully watertight roofing systems with warranty.

B. DESIGN OBJECTIVES (HVAC)

1. The Contractor shall remove, dispose of and replace HVAC systems in kind, i.e., same make, heating and cooling capacity, total and fresh airflow capacity and weight but with higher energy efficiency with the same operating weight or less.

2. Load calculations shall be provided at the 15% design to verify that the existing

HVAC capacities and distribution equipment are acceptable.

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3. New equipment shall be Energy-Star and comply with Federal Energy Management

Program (FEMP) designated products and easy to maintain.

4. Duct smoke detection systems shall be provided in accordance with the NFPA 90A requirements.

5. The work shall include field verification of every unit prior to replacement, ensuring that new units are matched to existing systems, and include necessary modifications to existing electrical, controls, plumbing, ductwork, and mounting supports, as needed.

6. The HVAC and exhaust systems air flow shall be designed to provide a slightly positive building air pressure when all heating/cooling and exhaust system are on occupied mode.

7. The work shall include basic commissioning, training of Center staff and training videos of the major new completed systems.

C. SYSTEM REQUIREMENTS

1. The design, repair, demolition, and installation of Buildings 1, 2 and 3 roofing systems shall provide the following:

a. Removal of existing single ply EPDM membrane where applicable.

b. Removal of existing insulation to the metal deck or concrete slab as applicable.

c. Replacement of wet or damped existing insulation in-kind in Building 3.

2. For EPDM Membrane Roofing, the Contractor shall:

a. Remove and replace all existing flashings and counter flashings.

b. Prepare roofing substrates where applicable.

c. Provide pressure-treated roof nailers for roofing attachments.

d. Provide cover boards as applicable.

e. Provide metal roof edging and copings.

f. Provide walkway pads from access hatch to and around the equipment.

g. The Contractor shall comply with all roofing manufacturer’s requirements for enforcement of specified warranty.

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h. Provide all other roof-related items necessary for the delivery of complete weather and leak-proof roofing systems.

3. Roofing (Building 1—Dormitory)

a. The existing Building 1 roofing systems, totaling approximately 30,650 gross square feet (GSF), consists of a flat EPDM roofing system over a concrete roof deck installed in 1996. The roofing system is in poor condition, prone to leaks and requires full replacement.

b. The Contractor shall demolish existing EPDM roofing completely down to the concrete deck substructure.

c. The new roof membrane shall be designed as a fully adhered EPDM Energy Star rated 60 mil system.

d. The Contractor shall install new polyisocyanurate tapered rigid insulation with cover board, incorporating rigid crickets to provide for positive drainage with a minimum slope of ¼” per foot, to all existing roof drains. Provide ASTM C1289, Type II, Class 3, Grade 2, felt or glass-fiber mat facers on both mat surfaces, mechanically attached and tapered. Install rigid insulation in two or more layers to achieve required thickness with joints of each succeeding layers staggered from joints of previous layers a minimum of 6 inches in each direction.

e. The Contractor shall power-wash the stained masonry associated with leaking scuppers at exit stair cores and restore stained masonry surfaces to their original clean condition. For bidding purposes, allow for power-washing of masonry at four (4) exit stair cores, with approximately 200 sq. ft. of masonry at each stair core.

f. The Contractor shall remove and replace in-kind four (4) existing heavy gage factory-finished aluminum scuppers and their respective rain leaders, at each of the four exit stair roofs. Color to match existing. Provide and install appropriate flashing and counter flashings to ensure positive drainage into scuppers and down the rain leader.

g. The Contractor shall remove rust from two (2) roof access hatches and their associated safety railings, one at each of the north and south wings. Paint hatches and railings with one bottom coat of low VOC self-priming surface tolerant epoxy paint and one top coat of low VOC acrylic polyester polyurethane paint. Top coat shall be safety-yellow.

h. The Contractor shall remove and dispose of one (1) abandoned imitation surveillance camera installation and its accessories, such as electrical conduit and boxes and camera stand/support. Dispose of all wiring feeding the imitation surveillance camera.

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i. The Contractor shall provide the following as required and described in Section

IV / B. / 6:

1) Flashings and counter flashings to the building structure as required.

2) Appropriate EPDM roofing manufacturer’s approved flashing to the existing mechanical equipment.

3) EPDM single-ply roofing system.

4) Tapered Insulation.

5) Coverboard.

6) Drainage System.

7) Roof Curbs.

8) Walkway Pads.

9) Utility Supports.

10) Parapet Flashings.

11) Roof Ladders.

12) Incidental Repairs.

13) Walkway pads from roof access points to mechanical equipment.

14) Utility piping supports.

15) Flashings and counter flashings to roof structures as required. For bidding purposes, the Contractor shall allow for 1,800 linear feet (LF) of flashing/counter flashings and 200 linear feet (LF) of mechanical equipment flashings. All measurements shall be site verified.

4. Roofing (Building 2—Gymnasium)

a. The Gymnasium (Building 2) was constructed in 1976 and is a single-level double height, tilt-up precast concrete panels structure connected to structural steel moment frames and girders.

b. The roof comprises two sections, namely 1) a metal roof comprised of exposed fastener, low-slope gable raised seam metal roof system over steel purlins with a

Benjamin Hooks Job Corps Center Design-Build | National Project Page 23 of 66 metal parapet attached with braces to the roof deck, and 2) a flat EPDM membrane roof.

1) Metal Roof

(a) The existing metal roofing system was installed in 1999 and consists of a raised seam metal roofing system over a steel deck totaling approximately 16,350 gsf. The original coating system on this metal panel roofing is aged and brittle, requiring replacement.

(b) The original metal roof was coated with expanded polyurethane and coated with apparently a fluid applied hard coating in 1999. This coating is deteriorating, has numerous holes, cracks and splits at indents and has holes exposing the spray foam underneath. The existing metal roofing leaks in a number of areas and all damaged areas shall be repaired. The Contractor shall repair and re-coat the existing metal roofing.

(c) The Contractor shall provide the following:

(1) Replace all exposed fasteners with new fasteners.

(2) Re-coat the raised seam metal system with a polyurethane or silicon coating membrane roofing system. For bidding purposes, allow for re-coating of the corrugated metal deck of approximately 2,500 sq, feet.

(3) Remove and surface clean the existing deteriorated surface coating material. The surface shall be prepared in accordance with the material and instructions, or recommendations provided by the new roof coating material manufacturer.

(4) The new coating material shall be applied by the manufacturer or its certified Contractor and in the presence of the manufacturer’s specialist representative.

2) EPDM Flat Roof

(a) The existing flat roofing system at the southern end of the building, installed in 1999, totals approximately 6,350 gsf, and consists of an EPDM roofing system over a steel roof deck. The roofing system is in fair condition but requires preventative maintenance in the form of re-surfacing protective coating.

(b) Resurface entire roof system area totaling approximately 6,350 s.f. with a white, fully-adhered, high-reflectance, low-VOC silicone roof coating as described herein. Actual area to be coated shall be site verified.

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(c) Provide a safety-yellow roof walk pad system compatible with the new silicone coating as described herein.

(d) Repair and/or replace damaged metal pan deck as needed. For repairs sandblast corroded sections to remove corrosion and apply two (2) coats of low-VOC anti-corrosion paint to cleaned areas. For bidding purposes, allow for approximately 320 sq. ft. to be repaired and 320 sq. ft. to be replaced.

(e) The Contractor shall replace two (2) 6 x 6 sq. ft. sections of insulation around each of two (2) existing area drains by removing saturated insulation down to the deck and replacing it in kind, then patching over and sealing with EPDM patches. Ensure appropriate drain flashings are in place before final membrane patching. Provide new area drain covers.

(f) Remove all abandoned electrical conduits and accessories along inner parapet walls.

(g) Power-wash clean the three inner faces of the existing parapet wall panels to remove loose paint, dirt, chalk and grease. Prepare surfaces for coating by wire brushing all remaining loose and peeling paint after power washing, and dust all surfaces before spot priming or applying finish coats.

(h) The Contractor shall coat the inside face of the parapet wall with a compatible base coat of low-VOC acrylic primer, and two (2) top coats of low-VOC, water-repellant, high-performance, acrylic latex surface coatings, to a minimum of 6 mils thickness.

(i) For bidding purposes, allow 1,900 sq. ft. of concrete parapet wall to be power-washed, cleaned and coated.

(j) The Contractor shall re-construct the outflows from the roof’s two area drains at ground level by installing compatible elbows and drain lines that extend 12” beyond the existing walkway. Remove sections of the walkway as needed, including gas line at one location, and reconstitute walkway and gas line to their original condition following installation of new outflow drains.

(k) Provide appropriately sized concrete splash blocks below each of the two extension outflow drains.

(l) Provide a cone of small gravel riprap extending 25 ft. out from each splash block down the embankment. For bidding purposes, allow 500

sq. ft. of rip rap.

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5. Roofing (Building 3—Main)

a. The existing Building 3 roofing system, installed in 2003, totals approximately

73,150 gsf, and consists of a flat single layer EPDM roofing system over a steel deck. The roofing system is in poor condition, is prone to leaks, and requires replacement.

b. Interior ceiling tiles damaged due to leaks shall be replaced in kind.

c. For bidding purposes, the Contractor shall assume the following ceiling tile and metal deck quantities:

1) Replace approximately 600 2x2 foot ceiling tiles for Kitchen and Dining Hall area, and approximately 1,400 2x2 foot of the ceiling tiles in the remainder of this Building, to be site verified prior to bid.

2) Repair and/or replace damaged metal pan deck as needed. For repairs sandblast corroded sections to remove corrosion and apply two (2) coats of low-VOC anti-corrosion paint to cleaned areas. For bidding purposes, allow for approximately 3,700 sq. ft. to be repaired and 3,700 sq. ft. to be replaced.

d. The Contractor shall provide the following as required and described in Section

IV / B. / 6.

1) EPDM single-ply roofing system.

2) Tapered Insulation.

3) Coverboard.

4) Drainage System.

5) Roof Curbs.

6) Walkway Pads.

7) Utility Supports.

8) Parapet Flashings.

9) Roof Ladders.

10) Incidental Repairs.

11) Walkway pads from roof access points to mechanical equipment.

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12) Utility piping supports.

13) Flashings and counter flashings to roof structures as required.

e. The Contractor shall site verify all measurements, as well as types and colors.

6. Architectural

a…