Statement_of_Work_-_HQ_Roof_Replacement.pdf

INDU PMIS HQ (228286 / WB (242279) 03/08/2021

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INDIANA DUNES NATIONAL PARK

ENTER PARK LOCATION HERE

HEAD QUARTER/WEST BEACH

EPDM ROOF REPLACEMENT

PMIS HQ 228286 / WB 242279

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

03/08/2021

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SECTION 07 53 23

TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

Section 01 10 00 - Division 01 Short Form General Requirements

DIVISION 07 – THERMAL AND MOISTURE PROTECTION

Section 07 53 23 – EPDM ROOFING

APPENDIX

1. DRAWINGS

2. PICTURES

a. HEAD QUARTERS

b. WEST BEACH BAILLY CONTACT STATION

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SECTION 01 10 00

DIVISION 1 SHORT FORM GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The Indiana Dunes National Park Head Quarters is a group of buildings built around

1976, and some of these roofs are at the end of their life span. This project will replace the roofs of 5 of the 16 buildings in the Head Quarters area, and replace the roof of one additional building from the West Beach area. This Head Quarters area facilities house the operations that protect and preserve approximately 15,000 Acres of natural resources and historical and cultural areas.

The existing roof facilities have come to their life span, and it is time to replace them.

1.2 Work Covered by the Contract Documents:

A. Project Location: Indiana Dunes National Park.

Two Project Locations:

1. Project location: Head Quarters – 1100 Mineral Springs Road, Porter Indiana 46304.

2. Project location: West Beach Bailly Contact Station – 200 North County Line Road, Porter.

See location map sheet C03.

B. Work consists of: The work for this project consists of replacing the flat roof of 5 buildings in the Head Quarters and one Building in the West Beach area. See details in Section 07 53 23 1.1D and Table No. 1

C. All work will be performed under a single contract.

D. Period of performance: Work shall be completed within 90 calendar days of issuance of Notice to Proceed.

ITEM 2 - EXISTING UTILITIES

2.1 Existing Utilities: Notify Contracting Officer and utility companies.

2.2 Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, Contractor shall report any damage to Contracting Officer’s Representative (COR) and the damage will be repaired at the expense of the contractor who caused the damage. If damage occurs to an unknown utility, Contractor must provide a cost estimate for any type of discovery or damage caused.

Before contractor moves forward with the repair/installation, the contractor must have written approval by the Contracting Officer (CO) before repair/installation of new materials begins. CO is the only Government Agent with the authority to approve changes to the terms, conditions or price of the contract. NO OTHER PERSON IS AUTHORIZED to approve changes to the terms, conditions or price of the contract.

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ITEM 3 - CONTRACTOR’S USE OF PREMISES

3.1 Conduct of Operations: At all times the contractor shall conduct his operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the National Park Service.

A. No signs or advertisements (except those specified herein) shall be displayed on the construction site or within the park unless approved by the Contracting Officer and/or Contracting Officer Representative.

B. Smoking is not permitted within any Federal building or within 25 feet of entrances, operable windows, or outdoor air intakes.

C. Public Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public.

3.2 On-site work hours: Work shall be generally performed during normal business working hours of 7 a.m. to 4 p.m., Monday through Friday, except when otherwise indicated.

A. Work on Saturdays, Sundays, Federal holidays, early morning, or at night may not be performed without prior consent from the Contracting Officer/COR. Submit requests for work outside of the stated normal business hours to the Contracting Officer for approval at least 48 hours in advance of the work.

3.3 Contractor Use of Site:

A. General: Contractor shall have limited use of the site for construction operations. Limit use of premises to [ See Location Map Sheet C03]. Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Limits: As shown in Location Map Sheet.

C. Driveways and Entrances: Keep driveways, access roads, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials. Schedule deliveries to minimize use of driveways and entrances. Available storage and parking areas are shown in sheet C03. If additional space is required coordinate with the COR prior to make any decision.

D. Security and Protection facilities installation:

1. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction in ways and by methods that comply with environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

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1. Cleaning of Equipment: The Contractor shall ensure that prior to moving on to the Project Area, all equipment, is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds. Ensure that all equipment has been pressure washed and is free of exotic species prior to start-up of operations and moving of equipment to Project Area. Equipment shall be considered free of soil, seeds, and other debris when a visual inspection does not disclose such material. Disassembly of equipment components or specialized inspection tools are not required.

2. Tree and Plant Protection: Provide Tree Protection fence at drip line of trees impacted in construction area. Coordinate with COR.

3. Pest Control: Follow NPS requirements and practices to minimize attraction and harboring of rodents, roaches, and other pests and to perform extermination and control procedures at regular intervals so Project will be free of pests and their residues at Substantial Completion.

Perform control operations lawfully, using environmentally safe materials.

4. Site Enclosure Fence: Before construction operations begin, furnish and install portable chain link fencing in a manner that will prevent people and animals from easily entering site and or storage areas except by entrance gates.

a. Extent of Fence: As required to enclose portion determined sufficient to accommodate construction operations and storage

b. Locate vehicular gates to avoid interference with traffic on public thoroughfares.

c. Locate pedestrian entrance gates as required to provide controlled personnel entry.

d. Maintain security by limiting number of keys and restricting distribution to authorized personnel. Provide Contracting Officer with one set of keys.

5. Security Enclosure and Lockup: Install substantial temporary enclosure around partially completed areas of construction. Provide lockable entrances to prevent unauthorized entrance, vandalism, theft, and similar violations of security.

6. Temporary Enclosures: Provide temporary enclosures for protection of construction, in progress and completed, from exposure, foul weather, other construction operations, and similar activities. Provide temporary weathertight enclosure for building exterior.

3.4 Storage - Staging Areas:

A. Confine Storage of materials and equipment to the project area see Location Map Sheet C03.

3.5 Preservation of Natural Features: N/A

3.6 Hauling Restrictions: Match State and County road requirements for all park work/access.

3.7 Housekeeping:

A. Keep project neat, orderly, and in a safe condition at all times. Store and use equipment, tools, and materials in a manner that does not present a hazard. Immediately remove all hazardous rubbish. Do not allow rubbish to accumulate. Provide onsite containers for collection of rubbish and dispose of it at frequent intervals during progress of work.

B. Dispose of waste materials legally off NPS property.

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3.8 Occupancy Requirements for Buildings:

A. Existing Buildings:

1. Full Government Occupancy: Government will occupy buildings that will be under construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the Work so as not to interfere with Government's day-to-day operations. Maintain existing exits, unless otherwise indicated.

a. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the CO.

b. Maintain existing building in a weather tight condition throughout construction period. Repair damage caused by construction operations. Protect building and its occupants during construction period.

3.9 Photo Documentation:

All photos shall be in focus, show maximum range of depth of field general photo and then close up detail photo as needed. Shall be in JPEG digital form and submitted via CD-R Archival Gold or DVD-R Archival Gold media with printed labels and 8 mega pixels minimum within timeframe designated in the submittal section listed below.

A. Existing Condition Images: Before starting construction, take color, dated, digital images of project site and adjacent property/roads/etc. that may be impacted by construction activity/traffic.

Include existing items to remain or be salvaged from different vantage points and with context for location identification.

B. Construction Images:

1. Document all sub-surface work/ trenches etc. prior to backfill with enough overall field view to show location and then details.

2. Maintain organized index for photos with date, description, etc..

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

3.10 Fire and Life Safety:

As a minimum, conduct one weekly 15-minute "toolbox" safety meetings. These meetings shall be conducted by a foreman or supervisor and attended by all construction personnel at the worksite. Topics need to coincide with work scheduled for the following week. Document the meetings in the contractor daily reports.

Comply with the requirements of NFPA 241 (Standard for Safeguarding Construction, Alteration, and Demolition Operations).

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A. Store and handle hazardous materials in accordance with manufacturer’s and OSHA 29CFR1926 Subpart D requirements. Maintain readily available, on site, MSDS/Safety Data Sheets (SDS) for each chemical.

i. Immediately report all spills of hazardous materials to the park.

ii. Maintain a spill emergency response kit.

iii. Train employees how to respond to a spill and use the emergency response kit.

3.11 Noise and Acoustics Management:

B. Noise Control: Perform demolition and re-roof operations to minimize noise. Perform noise-producing work in less sensitive hours of the day or week as directed by the Contracting Officer.

C. Repetitive and/or intermittent, high-level noise: Permitted only during Daytime.

1. Do not exceed the following dB(A) limitations at 50 feet:

Sound Level in dB(A) Time Duration of Impact Noise 70 More than 12 minutes in any hour 80 More than 3 minutes in any hour

2. Maximum permissible construction equipment noise levels at 50 feet:

EARTHMOVING dB(A) MATERIALS HANDLING dB(A) Compressors 75 Pneumatic Tools 80 Pumps 75 Saws 75 Generators 75 Vibrators 75

D. Ambient Noise:

1. Maximum noise levels (dB) for receiving noise area at property line shall be as follows:

a. Residential receiving area :

Daytime: 65 dB Nighttime: 45 dB

b. Commercial/Industrial receiving area:

Daytime: 67 dB Nighttime: 65 dB

ITEM 4 - COMMENCEMENT, PROSECUTION, AND COMPLETION

4.1 The Contractor shall commence work in accordance with the terms and conditions of the contract.

The period of performance for this project will be 90 days after issuance of Notice to Proceed

ITEM 5 - EXAMINATION OF THE SITE

5.1 All bidders are urged to visit the job site and examine existing conditions before submitting bids. All bidders will be held to have the same knowledge concerning the site and the on-ground conditions as if they had inspected the job site. No change orders will be approved for work obvious during a site visit.

Please see FAR 52.236-27 - Site Visit (Construction).

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ITEM 6 - ABBREVIATIONS

6.1 The list of abbreviations, which may be used in the Construction Specifications or Special Provisions, refer to the organizations and specifications of the organizations may be found at the below https://www.nps.gov/orgs/1671/do-business-with-us.htm

ITEM 7 - ACCIDENT PREVENTION

7.1 Description: The work of this section consists of establishing and implementing an effective accident prevention program and providing a safe environment for all personnel and visitors.

A. It is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats and other necessary personal protective equipment in good repair at all times. As a minimum, maintain four hard hats and all other APP required equipment.

7.2 Submittals:

A. Accident Prevention Program: Prior to any work commencing on site, contractor must submit (as outlined below in Submittal section) an accident prevention plan. This plan must be submitted and approved. The Plan shall be written to comply with OSHA and project requirements (a generic plan is not acceptable) including but not limited to the following:

1. Name of responsible supervisor to carry out the program

2. First aid procedures

3. Training, both initial and continuing

4. Planning for possible emergency situations

5. Contractor to identify nearest location of medical facility for emergencies

6. Recognition that work will be performed in remote areas with limited communication or cell phone coverage

B. Meeting and Inspection Reports: Safety Meetings: As a minimum, conduct 15 minute

"toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite. Submit a report of safety meetings and inspections.

The Contractor shall document the “toolbox” meetings through the daily logs.

7.3 Qualification of Employees:

A. Ensure that employees are physically qualified to perform their assigned duties in a safe manner to include operators of vehicles and equipment. Provide operating instructions for all equipment.

B. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

7.4 Accident Reporting: The Contractor shall report all accidents to the Contracting Officer or designee as soon as possible and assist the Contracting Officer and other officials as required in the investigation of the accident.

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7.5 First Aid Facilities: Provide adequate facilities for the number of employees and appropriate to the hazards associated with the types of ongoing construction work at the site.

7.6 Emergency Instructions: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

7.7 Personal Protective Equipment (PPE): It is the Contractor's responsibility to require all those working on or visiting the site to wear necessary protective equipment at all times.

A. PPE must meet requirements of applicable ANSI standards. Selection shall conform to OSHA 29CFR 1926 Subpart E.

B. B. A hard hat use area shall be designated by the Contractor. The hard hat area shall be posted by the Contractor in a manner satisfactory to the Contracting Officer.

C. C. It is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats and other necessary PPE.

7.8 Hazardous Materials: It shall be the responsibility of all operators and contractors, functioning within the park to properly cleanup, mitigate and remediate if necessary, all unauthorized discharges of hazardous materials or non-hazardous chemical and biological products released from fleet and/or other support vehicles or stationary sources. Response shall be consistent with guidelines established by federal, state and local regulations, and as outlined within the operator's Safety or Hazardous Materials Business Plan.

A. If a spill, leak or other release occurs, the operator shall as soon as possible, without impeding cleanup, notify the National Park Service Emergency Dispatch.

ITEM 8 - PRECONSTRUCTION CONFERENCE: See FAR 52.236-26

ITEM 9 - SUBMITTALS

9.1 General Submittal Procedures:

Submittals shall be prepared and provided for the individual Specification Sections. Types of submittals are indicated in individual specific sections. CM-16 Transmittal Form: All submittals shall be transmitted via email using National Park Service form CM-16 form. The form will be provided by the Contracting Officer. No action will be taken on a submittal item unless accompanied by the CM-16 transmittal form.

Contractor shall submit to Contracting Officer (CO) and Contracting Officer Representative (COR).

1. Documents to be submitted to Contracting Office before Notice to Proceed (NTP) will be issued (all are due 10 calendar days after notice of contract award):

1. Signed Contract

2. Alternative Payment Protection - Must provide either a Payment

Bond or Irrevocable Letter of Credit for construction contracts greater than $35,000, but not greater than $150,000

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a. Payment Bonds - Must be provided for construction contracts exceeding $150,000

b. Performance Bond - Must be provided for any construction contracts exceeding $150,000

3. Certificate of Liability Insurance

4. Letter Designating the Project Manager and Site Superintendent and their authority as it pertains to this project

5. Safety/Accident Prevention Plan – must be approved before work can commence/start

If all of the documents listed above have not been received, Notice to Proceed will not be issued, and the Contracting Officer will consider other contractual remedies. Work shall not commence until written Notice to Proceed has been issued.

2. Documents to be submitted to Contracting Office after NTP has been issued and work can be performed on-site/begin (all are due 10 calendar days after issuance of NTP or otherwise specified in the table below):

The following submittals shall be submitted with a CM-16 transmittal cover sheet to the CO/COR and submitted for approval as outlined below:

1. Work/Project Schedule -- delineating the various stages of work by phase (milestones)

2. Contractor shall provide, when applicable but not limited to, copies of product specifications, manufacturer’s literature and installation instructions of all materials and products to be furnished and installed. COR will verify that product specifications meet contract requirements.

3. Quality Control Plan

4. Schedule of Values (if applicable)

5. Documentation of licensing or certifications as an approved installer by manufacturer of materials for each individual product submittal and shop drawing (if required)

6. List of individuals working on the project

7. SF1413 – Statement of prime contractor/acknowledgement of subcontractor

8. Safety Data Sheets (SDS) for each individual product submittal and shop drawing (if required)

3. The following submittals are required to be submitted before final payment is made:

1. Unless otherwise specified in the specifications, Contractor is required to provide at the end of the project a series of before, during and after pictures of what was completed. The pictures will include all areas the contractor is authorized to work on.

2. Manufacturers recommended care and cleaning requirements (if applicable)

3. Receipts from recycling companies showing quantity of material being recycled.

4. Warranty documentation for workmanship (as outlined in the

Specifications/Statement of Work: Start date of warranty will be the date shown on the Final Inspection Checklist/Report)

5. Product warranties (if applicable)

6. Pay applications

7. Certified payrolls – should be sent weekly

8. Contractor quality control daily reports (any outstanding)

9. Release of Claims - must be for the full amount of the contract (to include modifications)

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10. SF1413 (any outstanding) - Statement of prime contractor/ acknowledgement of subcontractor

11. Drawings/pictures (if applicable), etc.

12. Testing Reports (if applicable)

13. Final Inspection Checklist/Report (initiated by the COR, all parties sign once complete)

A. Submittal List: A submittal list has been attached to the end of this Specification Section. The intent is to provide an overall summary of submittal requirements and not a comprehensive list. The requirements of the individual Specification Sections, terms and conditions of the Contract still apply regardless of what is shown on the submittal list.

B. The items in the Submittal List shall be submitted in accordance with the “Date Completed” column. If all of these documents have not been received in the timeframe outlined in the column, the Notice to Proceed will not be issued, and the Contracting Officer will consider other contractual remedies. Work shall not commence until written Notice to Proceed has been issued. Contracting Officer will notify the Contractor of tentative date for the Pre- Construction Conference after contract award.

Description Quantity/ Format

Date Completed

Signed Contract.

Electronic Copy

10 calendar days after Notice of Award

Payment Bond/Performance Bond or irrevocable letter of credit.

Electronic Copy

10 calendar days after Notice of Award

Satisfactory evidence of liability insurance coverage and workman’s compensation for the Contactor and all subcontractors.

Electronic Copy

10 calendar days after Notice of Award

Letter designating Project Superintendent and Site Superintendent and their authority as it pertains to this project.

10 calendar days after Notice of Award

Documentation of licensing or certification as an approved installer by manufacturer of materials to be used.

10 calendar days after Notice to Proceed

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Project Schedule Electronic

10 calendar days after Notice to Proceed

List of individuals working on the project

10 calendar days after Notice to Proceed

Safety/ Accident Prevention Plan

Electronic Copy

10 calendar days after Notice to Proceed;

before any work is conducted/begins

Product Specifications manufacturer’s literature and installation instructions of all materials (when applicable)

Electronic Copy

10 calendar days after Notice to Proceed

List of all subcontractors

Electronic Copy

10 calendar days after Notice to Proceed

Written statements from subcontractors certifying compliance with applicable labor standard clauses

(SF1413).

Electronic Copy

10 calendar days after Notice to Proceed

Safety Data Sheets (SDS) for all applicable materials (if applicable)

Electronic Copy

10 calendar days after Notice to Proceed

Required photographs -before, during and after pictures of what was completed.

Electronic Copy

At the time of contract acceptance/completion or as specified in the specifications

Manufacturers recommended care and cleaning requirements (if applicable)

Electronic Copy

At the time of contract acceptance/completion

Receipts from recycling companies showing quantity of material being recycled (if applicable)

Electronic Copy

At the time of contract acceptance/completion

Warranty documentation for workmanship

Electronic Copy

At the time of contract acceptance/completion

Product warranties (if applicable)

Electronic Copy

At the time of contract acceptance/completion

Pay applications Electronic Copy

At the time of contract acceptance/completion or as needed for progress payments

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Certified payrolls Electronic

At the time of contract acceptance/completion or as needed for progress payments

Contractor quality control daily reports (any outstanding)

Electronic Copy

At the time of contract acceptance/completion or as needed for progress payments

Release of Claims -must be for the full amount of the contract (to include modifications)

Electronic Copy

At the time of contract acceptance/completion

SF1413 (any outstanding) - Statement of prime contractor/ acknowledgement of subcontractor

Electronic Copy

At the time of contract acceptance/completion or as needed before and throughout the life of the contract

Drawings/pictures (if applicable), etc.

Electronic Copy

At the time of contract acceptance/completion or as specified in the specifications

Testing Reports (if applicable)

Electronic Copy

At the time of contract acceptance/completion or as specified in the specifications

Final Inspection Checklist/Report

Electronic Copy

At the time of contract acceptance/completion

9.2 Shop Drawings, Product Data, and Samples: Contracting Officer will provide sample in the form of the CM-16 transmittal cover sheet. .

A. Shop Drawings: Indicate roof drain and board installation, and installation details.

1. Submit Shop Drawings according to Part 9.1 of this section to include one digital file (.PDF or .TIF) and two full size hardcopy documents to COR.

B. Product Data: Provide component construction, anchorage method, hardware, etc.

1. Submit Product Data according to Part 9.1 of this section to include one digital file (.PDF or .TIF) to COR.

C. Samples: Submit 2 color samples 4” x 6” in size of actual paint finish color selected on Metal steel flashing.

1. Submit Samples CM-16 Transmittal Form according to Part 9.1 of this section to include one digital file (.PDF or .TIF) and physical samples of actual material to COR.

D. For submittals specified above, forward submittals to Contracting Officer at least 10 days before need for approval.

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E. Submittals are to be provided electronically, except in the case of otherwise specified physical color or materials samples (if required). After approving submittals, Contracting Officer will return one copy of the approved submittal to the Contractor. If submittals are not approved, Contracting Officer will return copy of the disapproved submittal that was provided electronically, not to include color and material samples submitted, to Contractor with reasons for rejection. Contractor will be required to resubmit, correcting the identified reasons in the returned disapproved submittal. Any work done before approval shall be at Contractor's own risk.

9.3 Approved Equals: If an item in this solicitation is identified as “brand name or equal” or lists more than 3 manufacturers, the purchase description reflects the characteristics and level of quality that will satisfy the Government’s needs. The salient physical, functional, or performance characteristics that “equal” products must meet are specified in the solicitation or relevant specification.

A. For each item proposed as an “approved equal,” submit supporting data, including:

1. Drawings and samples as appropriate.

2. Comparison of the characteristics of the proposed item with that specified.

3. Changes required in other elements of the work because of the substitution.

4. Name, address, and telephone number of vendors.

5. Manufacturer’s literature regarding installation, operation, and maintenance, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists. Describe availability of maintenance service, and state source of replacement materials.

B. A request for approval constitutes a representation that Contractor:

1. Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

2. Will provide the same warranties for the proposed item as for the item specified.

3. Has determined that the proposed item is compatible with interfacing items.

4. Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

5. Waives all claims for additional expenses that may be incurred as a result of the substitution.

C. Approved Equals will be evaluated and approved/disapproved during the submittal process.

9.4 Project Schedule: Within 10 calendar days after issuance of NTP and before beginning any work, submit Project Schedule. Contracting Officer Representative and Contracting Officer will review the Project Schedule for format and content. Submit Project Schedule electronically (normally in Gantt Chart format) showing estimated starting and completion dates for each part of the work. The first progress payment will not be issued until an acceptable project schedule is submitted. The following information must accompany submission of project schedule prior to processing any pay application:

A. Daily/weekly progress reports during construction as part of the administration process.

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B. Schedule of Values: Breakdown each lump-sum item into component work activities used in the schedule, for which progress payments may be requested. The Schedule of Values will form the basis for payment. The work activities broken out within the schedule of values shall be integrated into and made a logical part of the construction baseline schedule submitted under this specification. The total costs for the component work activities shall equal the contract price for that lump-sum item. The Contracting Officer may request data to verify accuracy of dollar values.

A sample Schedule of Values will be provided by the Contracting Officer.

ITEM 10 – TEMPORARY SERVICES – (N/A)

ITEM 11 - PROJECT CLOSEOUT

11.1 Description: The work of this section consists of final cleanup, closeout submittals, final inspection procedures, and safety precautions.

11.2 Cleaning: Remove all tools, equipment, surplus materials, and rubbish. At time of final inspection, project shall be thoroughly clean and ready for use.

11.3 Final Inspection/Project Closeout: Submit written certification that project is complete, and a final inspection must be requested to the Contracting Officer in writing. The Contracting Officer or designee will make an inspection within 10 days of receipt of request or at a mutually agreeable time.

A. If the work is determined to be complete, following the final inspection, the Contracting Officer

Representative will prepare and complete the Final Project Closeout Checklist/Inspection document and provide acceptance of the work to the Contracting Officer representative.

Contracting Officer will then make final approval of the Final Project Closeout Checklist/Inspection document issuing final acceptance of the project.

B. If the work is not determined to be complete following the final inspection, the Contracting Officer will notify the Contractor in writing. Contractor shall request a new final inspection after completing the work. Re-inspection costs may be charged against the Contractor in accordance with the Inspection of Construction contract clause.

C. Contractor shall complete the Punch List within 10 calendar days, documented weather permitting.

D. If Contracting Officer determines that the work is not complete; he will immediately notify

Contractor in writing, stating reasons. After completing work, Contractor shall resubmit certification and request a new final inspection. Re-inspection costs may be charged against the Contractor in accordance with the Inspection of Construction contract clause.

E. If the Contractor fails to complete the work within the time frame, the Contracting Officer may correct the work with an appropriate reduction in contract price or charge for re-inspection costs in accordance with the Inspection of Construction contract clause.

F. Disposition of any permits and warranties required by the specifications in this section.

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11.4 Acceptance of the Work: After all deficiencies have been corrected, a Letter of Acceptance will be issued. A Release of Claims document must be executed and submitted to the Contracting Officer before final payment can occur.

11.5 Warranties

A. 1-year Construction Warranty on all labor and workmanship shall be based on date of final acceptance. This is determined/issued by COR/CO and contractor during the project closeout phase. This warranty does not include the individual manufacturer’s part or product implied warranties.

B. Provide All Warranty information of products installed organized by Division. All contact information, extents and conditions shall be clearly noted as well as date of overall final acceptance/project completion.

C. Information shall include operation and maintenance manuals for each warranted material.

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXCUTION (NOT USED)

END OF SECTION

ETHYLENE-PROPYLENE-DIENE-MONOMER (EPDM) ROOFING

PART 2 - GENERAL

2.1 SCOPE OF WORK

Indiana Dunes National Park.

Two Project Locations:

A. Project location: Head Quarters – 1100 Mineral Springs Road, Porter Indiana 46304.

B. Project location: West Beach Bailly Contact Station – 200 North County Line Road, Porter.

C. Building(s) Name/Identifier: See TABLE NO. 1.

D. Work consists of the following:

1. Full tear-off of roof system at areas indicated on Drawings or in Photographs provided.

a. Removal of existing roofing system down to existing roof deck.

2. Re-cover preparation of entire roof area where tear-off occurs, including installation of new roofing system.

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3. Removal of flashings and counter flashings.

4. See table No. 1 for more details.

5. Removal and replacement of gutters and downspouts.

6. Removal and replacement of plumbing vents and boots in kind.

7. Temporary roofing during construction where required. Temporary roofing shall maintain the project roof is watertight and able to prevent leaks and damage to the building and structure until the reroofing work is completed. Contractor is to make sure that at the completion of work each day the projects roof is 100% watertight.

8. Remove and replace the existing roof membranes and associated roof flashings, the existing rigid roof insulations down to deck and patch any openings in the structural decking as required before installing the new ridged roof insulation, roof insulation crickets, expansion joints, all associated roof flashings, counter flashings, and metal copings.

Provide new roof drains, gutter, downspout, as shown in the drawings and Table No. 1.

9. National Park Service (NPS) requires the existing roof decks to be walked after demolition has been completed with their onsite Contracting Office Representative (COR) or designated Project Inspector prior to installation of any new roof materials to ascertain if any water penetration has caused deterioration and corrosion of the existing decks which are to remain. If there are areas of concern the COR may require the Contractor to perform pull out tests to determine if the existing decking in question can remain or if it will need to be replaced. This can include visible areas of water damage or insect related damage, and concrete decks for spalling and other visible damage. Testing and replacement of these types of unforeseen damaged areas will be by Change Order if required.

10. Replace building Fascia for all the roof assemblies.

E. Roof Area:

1. Refer to proposed roof plan with general dimensions ± See also TABLE NO.1.

2. Note the Contractor is encouraged to field verify roof dimensions prior to bidding.

TABLE NO. 1

BLDG NO NAME DECKING

REQUIRED

FOAM

INSULATION

TOP ROOF

LAYER

AREA

(SF)

PROVIDE

GUTTERS

LENGTH

(FT)

PROVIDE

DOWNSPOUTS

LENGTH (FT)

B101 RANGER STATION WOOD R30 EPDM (BLACK) 5,071 N/A N/A

B101 GENERATOR ROOM WOOD R30 EPDM (BLACK) 112 N/A N/A

B107 RECEIVING WOOD R30 EPDM (BLACK) 2,394 N/A N/A

B108 CUSTODIAL SERVICES WOOD/STEEL R30 EPDM (BLACK) 1,387 53' TWO @ 18' EA

B111 FIRE STATION 1 WOOD R30 EPDM (BLACK) 2,212 60' TWO @ 17' EA

B112 MANAGEMENT OFFICE WOOD R30 EPDM (BLACK) 2,358 N/A N/A

BLDG NO NAME DECKING

REQUIRED

INSULATION

TOP ROOF

LAYER

AREA

(SF)

PROVIDE

GUTTERS

LENGTH

(FT)

PROVIDE

DOWNSPOUTS

LENGTH (FT)

B302 WB CONTACT STATION WOOD R30 EPDM (BLACK) 703 N/A N/A

GENERAL NOTES:

1. THE CONTRACTOR SHALL VERIFY ALL THE DIMENSIONS IN THE FIELD.

2 THE CONTRACTOR SHALL TAKE ROOF CORE TO CONFIRM EXISTING ROOF LAYERS AND INSULATION

HEAD QUARTERS

WEST BEACH

EPDM ROOF REPLACEMENT

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2.2 SUMMARY

A. Section Includes:

1. Selective Demolition

2. Adhered ethylene-propylene-diene-terpolymer (EPDM) roofing system.

3. Roof insulation.

4. Cover board.

5. Walkways.

6. Sheet Metal Flashing and Trim (Fascia).

7. Gutter and downspouts.

8. Vents and plumbing boots.

2.3 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

2.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings: Include roof plans, sections, details, and attachments to other work and adjacent materials, including the following:

1. Layout and thickness of insulation.

2. Base flashings and membrane terminations.

3. Flashing details at penetrations.

4. Tapered insulation, thickness, and slopes.

5. Roof plan showing orientation of the roof deck and orientation of roof membranes.

6. Insulation layout plans including tapered roof insulation and cricket locations clearly identified and indicate all roof slopes.

C. Samples: For the following products:

1. Roof membrane and flashings of color required.

2. Walkway pads or rolls, of color required.

3. Cover Board.

D. Wind Uplift Resistance Submittal: For roofing system, indicating compliance with wind uplift performance requirements.

2.5 INFORMATIONAL SUBMITTALS

A. Manufacturer Certificates:

1. Performance Requirement Certificate: Signed by roof membrane manufacturer, certifying that roofing system complies with requirements specified in "Performance Requirements" Article.

a. Submit evidence of complying with performance requirements from manufacturers site visit sign off.

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2. Special Warranty Certificate: Signed by roof membrane manufacturer, certifying that all materials supplied under this Section are acceptable for special warranty.

B. Product Test Reports: For components of roof membrane and insulation, for tests performed by a qualified testing agency, indicating compliance with specified requirements.

C. Research reports.

D. Field Test Reports:

1. Insulation adhesives test results and manufacturer's requirements.

E. Field quality-control reports.

F. Sample warranties.

G. Operation and Maintenance Manuals.

2.6 CLOSEOUT SUBMITTALS

A. Maintenance data. For roofing system to include in maintenance manuals.

2.7 SUBMITTAL COORDINATION

A. Submittal List: A submittal list has been attached to the end of this Specification Section. The intent is to provide an overall summary of the submittal requirements and not a comprehensive list. The requirements of the individual Specification Sections, terms and conditions of the Contract still apply regardless of what is shown on the submittal list.

2.8 QUALITY ASSURANCE

A. Installer Qualifications: A qualified firm that is approved, authorized, or licensed by roofing system manufacturer to install manufacturer's product and that is eligible to receive manufacturer’s warranty.

2.9 DELIVERY, STORAGE, AND HANDLING

A. Deliver roofing materials to Project site in original containers with seals unbroken and labeled with manufacturer's name, product brand name and type, date of manufacture, approval or listing agency markings, and directions for storing and mixing with other components.

B. Store liquid materials in their original undamaged containers in a clean, dry, protected location and within the temperature range required by roofing system manufacturer. Protect stored liquid material from direct sunlight.

1. Discard and legally dispose of liquid material that cannot be applied within its stated shelf life.

C. Protect roof insulation materials from physical damage and from deterioration by sunlight, moisture, soiling, and other sources. Store in a dry location. Comply with insulation manufacturer's written instructions for handling, storing, and protecting during installation.

D. Handle and store roofing materials and place equipment in a manner to avoid permanent deflection of deck.

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2.10 PROJECT CONDITIONS

A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit roofing system to be installed according to manufacturer's written instructions and warranty requirements.

2.11 WARRANTY

A. Special Warranty: Manufacturer agrees to repair or replace components of roofing system that fail in materials or workmanship within specified warranty period.

1. Warranty Period: 30 years from Date of Final Inspection.

PART 3 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Accelerated Weathering: Roof membrane shall withstand 2000 hours of exposure when tested according to American Society of Testing Materials (ASTM) ASTM G152, ASTM G154, or

ASTM G155.

B. Impact Resistance: Roof membrane shall resist impact damage when tested according to ASTM D3746, ASTM D4272, or the Resistance to Foot Traffic Test in Factory Mutual (FM) Approvals 4470.

C. Wind Uplift Resistance: Design roofing system to resist the following wind uplift pressures when tested according to FM Approvals 4474, UL 580, or UL 1897:

1. Wind Uplift Pressures for Buildings 20 feet high or less.

a. Zone 1 (Roof Area Field): 18.4 lbf/sq. ft. (kPa/sq. m)>.

b. Zone 2 (Roof Area Perimeter): 30.9 lbf/sq. ft. (kPa/sq. m)>.

1) Location: From roof edge to 4 feet minimum to inside roof edge, or as required by roofing manufacture for warranty if more distance if required.

c. Zone 3 (Roof Area Corners): 46.5 lbf/sq. ft. (kPa/sq. m)>.

1) Location: 4 feet minimum in each direction from building corner, or as required by roofing manufacturer for warranty if more distance is required.

D. FM Approvals' RoofNav Listing: Roof membrane, base flashings, and component materials shall comply with requirements in FM Approvals 4450 or FM Approvals 4470 as part of a roofing system and shall be listed in FM Approvals' RoofNav for Class 1 or noncombustible construction, as applicable. Identify materials with FM Approvals Certification markings.

1. Fire/Windstorm Classification: Class 1A-60.

2. Hail-Resistance Rating: FM Global Property Loss Prevention Data Sheet 1-34 SH.

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3.2 ETHYLENE-PROPYLENE-DIENE-TERPOLYMER (EPDM) ROOFING

This project is located on Zone 5 based on IECC 2015 Climate Zones, refer to the following link to the IECC Climate Zone Map.

A. EPDM Sheet: ASTM D4637/D4637M, Type II, scrim, or fabric internally reinforced, EPDM sheet.

1. Carlisle Syn Tec Incorporated.

2. Firestone Building Products.

3. GenFlex Roofing Systems.

4. Johns Manville; a Berkshire Hathaway Company.

5. Verisco Roofing Systems.

6. Thickness: 60 mils (1.5 mm), nominal.

7. Exposed Face Color:

a. Black for all roof locations in Climate Zones 5, 6, and 7 per the International Energy Conservation Code (IECC) Climate Zone Map.

3.3 AUXILIARY ROOFING MATERIALS

A. General: Auxiliary materials recommended by roofing system manufacturer for intended use and compatible with other roofing components.

1. Adhesive and Sealants: Comply with Volatile Organic Compound (VOC) limits of authorities having jurisdiction.

B. Sheet Flashing: 60-mil- (1.5-mm-) thick EPDM, partially cured or cured, according to application.

C. Bonding Adhesive: Manufacturer's standard.

D. Seaming Material: Single-component, butyl splicing adhesive and splice cleaner, or Manufacturer's standard, synthetic-rubber polymer primer and 3-inch- (75-mm-) wide minimum, butyl splice tape with release film.

E. Metal Termination Bars: Manufacturer's standard, predrilled stainless steel or aluminum bars, approximately 1 by 1/8 inch (25 by 3 mm) thick; with anchors.

F. Miscellaneous Accessories: Provide pourable sealers, preformed cone and vent sheet flashings, molded pipe boot flashings, preformed inside and outside corner sheet flashings, reinforced EPDM securement strips, T-joint covers, in-seam sealants, termination reglets, cover strips, and other accessories.

1. Provide white flashing accessories for white EPDM membrane roofing.

3.4 ROOF INSULATION

A. Polyisocyanurate Board Insulation: ASTM C1289, Type II, Class 1, Grade 3 (25 psi), felt or glass-fiber mat facer on both major surfaces.

1. Size: 48 by 48 inches (1219 by 1219 mm).

Based on the IECC 2015 Climate Zone the project is in a Climate Zone 5. A minimum requirement of R- 30 shall be provided for such Zone 5. Refer to the following link to the IECC Climate Zone Map

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2. Thickness:

a. Base Layer: 2.6 inches (66.04 mm) = R-15.0.

b. Upper Layer: 2.6 inches (66.04 mm) = R-15.0.

c. Total 2 Layers: 5.2 inches (132.08 mm) = R-30.0 minimum Long-Term Thermal Resistance (LTTR). Manufacturers to adjust thickness as required to meet the minimum R-30 requirement.

(Use Firestone Isogard HD Cover Board or equal.)

B. Tapered Insulation: Provide factory-tapered insulation boards only as required.

1. Material: Match roof insulation.

2. Minimum Thickness: 1/4 inch (6.35 mm).

3. Slope:

a. Roof Field: 1/4 inch per foot (1:48) unless otherwise indicated on Drawings.

b. Saddles and Crickets: 1/2 inch per foot (1:24) unless otherwise indicated on Drawings.

3.5 INSULATION ACCESSORIES

A. Insulation Adhesive: Insulation manufacturer's recommended adhesive formulated to attach roof insulation to substrate or to another insulation layer as follows:

1. Full-spread, spray-applied, low-rise, two-component urethane adhesive.

B. Cover Board: ASTM C1289 Type II, Class 4, Grade 1, 1/2-inch- (13-mm-) thick polyisocyanurate, with a minimum compressive strength of 80 psi (551 kPa).

1. Thickness: 1/2 inch (12 mm).

2. Surface Finish: Glass-fiber mat facer on each side.

3.6 ASPHALT MATERIALS

A. Asphalt Primer: ASTM D41/D41M.

3.7 WALKWAYS

A. Flexible Walkways: Factory-formed, nonporous, heavy-duty, slip-resisting, surface-textured walkway pads or rolls, approximately 3/16 inch (5 mm) thick and acceptable to roofing system manufacturer.

1. Size: Approximately 36 by 60 inches (914 by 1524 mm), or 36” wide roll product.

3.8 SELECTIVE DEMOLITION

A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows:

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1. Full Roof Tear-off: Removal of existing roofing system down to existing roof deck.

2. Temporarily protect existing roofing system and components that are to remain as required from damage.

3. Existing roof drains and roof drainage shall be protected during each stage of reroofing, and roof-drain plugs shall be installed when demolition is taking place so that debris cannot be lost down the drains. Contractor shall remove all drain plugs when demolition is completed in the area affecting the drain.

4. Do not remove more roof than can be replaced in a day, and the roof will be made watertight each night.

5. Remove debris and materials so as not to impose excessive loads on supporting roof, structure, or framing.

6. Dispose of demolished items and materials promptly.

B. Removed and Reinstalled Items:

1. Clean and repair items to functional condition adequate for intended reuse.

2. Reinstall items in locations indicated. Comply with installation requirements for new materials and equipment. Provide connections, supports, and miscellaneous materials necessary to make item functional for use indicated.

C. Inspect deck after tear-off of roofing system.

1. If broken or loose fasteners that secure deck panels to one another or to structure are observed, or if deck appears or feels inadequately attached, immediately notify COR.

a. Do not proceed with installation until directed by COR.

2. If deck surface is unsuitable for receiving new roofing or if structural integrity of deck is suspect, immediately notify COR.

a. Do not proceed with installation until directed by COR.

D. Disposal of Demolished Materials:

1. General: Except for items or materials indicated to be reused, salvaged, reinstalled, or otherwise indicated to remain NPS's property, remove demolished materials from Project site.

a. Do not allow demolished materials to accumulate on-site.

b. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas.

2. Burning: Do not burn demolished materials.

3. Disposal: Transport demolished materials off NPS's property and legally dispose of them.

E. Cleaning:

1. Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began.

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3.9 SHEET METAL FLASHING AND TRIM

A. Performance Requirements:

1. General: Sheet metal flashing and trim assemblies shall withstand wind loads, structural movement, thermally induced movement, and exposure to weather without failure due to defective manufacture, fabrication, installation, or other defects in construction. Completed sheet metal flashing and trim shall not rattle, leak, or loosen, and shall remain watertight.

2. Sheet Metal Standard for Flashing and Trim: Comply with National Roofing Contractors Association’s (NRCA's) "The NRCA Roofing Manual" and Sheet Metal and Air Conditioning Contractors National Association’s (SMACNA's) "Architectural Sheet Metal Manual" requirements for dimensions and profiles shown unless more stringent requirements are indicated.

3. Single Ply Roofing Industry (SPRI) Wind Design Standard: Manufacture and install copings and roof edge flashings tested according to SPRI ES-1 and capable of resisting the following design pressure:

a. Design Pressure: 30 psf vertical design pressure.

4. Thermal Movements: Allow for thermal movements from ambient and surface temperature changes to prevent buckling, opening of joints, overstressing of components, failure of joint sealants, failure of connections, and other detrimental effects. Base calculations on surface temperatures of materials due to both solar heat gain and nighttime-sky heat loss.

B. Sheet Metal:

1. General: Protect mechanical and other finishes on exposed surfaces from damage by applying strippable, temporary protective film before shipping.

2. Metallic-Coated Steel Sheet: Provide zinc-coated (galvanized) steel sheet according to ASTM A 653/A 653M, G90 coating designation or aluminum-zinc alloy-coated steel sheet according to ASTM A 792/A 792M, Class AZ50 coating designation, Grade 40;…