Statement_of_Work_-_Roads_and_Trails_RoofReplacement.pdf

INDIANA DUNES NATIONAL PARK

CHESTERTON, INDIANA

ROADS AND TRAILS ROOF REPLACEMENT

PMIS# 224471

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

APRIL 25, 2021

April 7, 2021

TABLE OF CONTENTS

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 41 13.16 – Standing Seam Metal Roof Panels

DIVISION 09 – FINISHES

Section 09 91 13 – Exterior Painting

PICTURES AND REFERENCE IMAGES

INDU – PMIS# 224471 00 01 10 - 1

INDU – PMIS# 224471

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DIVISION 1 - GENERAL REQUIREMENTS

SECTION 01 10 00

DIVISION 1 SHORT FORM GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The Indiana Dunes Roads and Trails (R&T) facilities provide maintenance service to

Indiana Dunes National Park and all its property. The goal of this project is to replace the existing asphalt shingle roofs at the R&T site with standing metal seam roof panels and replace gutters if a facility has an existing system. The existing asphalt shingle roofs and gutter systems are at the end of their life expectancy and are failing. Replacement of these items will preserve the facilities and reduced future maintenance costs. Existing asphalt shingles roofs as described herein will be replaced with standing metal seam metal roof panels. In additional (3) of the existing facilities will have their existing gutter systems replaced during the construction. Also, one building with existing metal roofing will be sealed at all joints and penetrations. Contractor to field verify existing conditions and dimensions.

1.2 Work Covered by the Contract Documents:

A. Project Location: 261 E 1500 N, Chesterton, IN 46304

B. Work consists of: The work for this project consists of demolishing all existing asphalt shingles, gutters (if installed), and any applicable roofing materials associated with these facilities. Install new standing metal seam roof panels, gutters (if previously installed) and all required roof materials to include but not limited to all edge and penetration flashing on buildings listed below.

Existing Motor Shop roof is to be sealed at all seams and penetrations to extend its life expectancy.

Office – 2,100 sf (square feet) of roofing, 86 lf (linear feet) of gutter Carpenter Shop – 2,800 sf of roofing, 144 lf of gutter Cold Storage – 2,150 sf of roofing, 110 lf of gutter Barn – 4,200 sf of roofing Garage – 2,825 sf of roofing Motor Shop – 775 sf of roofing for sealing

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

D. Period of performance: Work shall be completed within 120 calendar days from the issuance the

Notice to Proceed.

ITEM 2 - EXISTING UTILITIES

2.1 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

01 11 00 - 4 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.

2.2 Water service shall be maintained throughout construction.

2.3 Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

2.3.1 Notify Contracting Officer not less than two days in advance of proposed utility interruptions.

2.3.2 Hours for Utility Shutdowns: Shut downs shall not exceed 2 to 3 hours. Temporary provisions will be needed by the Contractor for periods longer than stated allowance.

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, and applicable park rules and regulations prescribed by the Park Superintendent.

A. No signs or advertisements shall be displayed on the construction site or within the park.

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

C. Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public and NPS staff as required to perform their day to day operations.

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 or coordinated with COR.

A. Work on Saturdays, Sundays, Federal holidays, early morning, or at night may not be performed without prior consent from the Contracting Officer. 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 References Images). Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Limits:

1. All parking shall be confined to areas not interfering with maintenance traffic and staff.

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2. Trash and debris shall be collected and secured on site until it is removed.

3. Daily sweeps to be made around active areas of work and site to ensure no debris remains that can potentially cause injury to personnel or damage to a vehicle.

(Example – magnet sweeping)

4. Coordinate schedules and placement of equipment with COR.

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.

D. Limit site disturbance to areas immediately adjacent to areas of work. Any areas disturbed or damaged will be repaired by the contractor.

E. 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.

2. 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.

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

4. 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 completion. Perform control operations lawfully, using environmentally safe materials.

5. 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 Photos]. Area around each facility will be available for placement of dumpster for demolition and placement of new materials for construction. Limits of use and control shall be subject to Contracting Officer’s approval. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site. Coordinate schedule and final placement of all materials with COR as needed for construction.

3.5 Preservation of Natural Features: N/A

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3.6 Hauling Restrictions:

Indiana State Shipping Regulations, rules. laws DOT (wideloadshipping.com)

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. Contractor to furnish dumpsters on site to dispose of waste materials legally.

C. Recycle materials to the furthest extent possible.

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

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

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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 and submit meeting minutes to the Contracting Officer within one day after the meeting.

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

B. 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.

C. Comply with Occupational Safety and Health Administration requirements and with all other federal, local and state laws, codes, regulations and controls for the erection and maintenance of scaffolding. Ensure compliance with OSHA Regulations 1951.21 Staging, 1926.451 and 1926.452 General Requirements throughout the entirety of this contract.

3.11 Noise and Acoustics Management:

A. 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.

B. 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

C. 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

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ITEM 4 - COMMENCEMENT, PROSECUTION, AND COMPLETION

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

Period of performance: Work shall be completed within 120 calendar days from the issuance the 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).

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

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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.

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.

7.5 First Aid Facilities: Provide adequate facilities for the number of employees and the type of construction 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 Protective Equipment: It is the Contractor's responsibility to require all those working on or visiting the site to wear necessary protective equipment at all times.

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:

A. 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

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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

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)

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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)

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 Electronic 10 calendar days after Notice to

01 11 00 - 12 licensing or certification as an approved installer by manufacturer of materials to be used.

Copy Proceed

Project Schedule Electronic Copy

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

Technical Section specified documents as outlined in the Specifications/SOW

Electronic Copy

As required to maintain the project schedule and with product lead times

9.2 Shop Drawings, Product Data, and Samples: Contracting Officer will provide sample cover sheet.

A. Shop Drawings: Indicate roofing, gutter and downspout materials, connection details, anchorage spacing, hardware locations, and installation details.

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

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

D. For submittals specified above, forward submittals to Contracting Officer at least 15 days before need for approval (depends on length of project).

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.

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9.3 Approved Equals: Refer to FAR 52.211-6 - 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 vendor.

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 Progress Schedules: 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.

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

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10.1 Description: The work of this section consists of providing temporary services required for Contractor's performance of the work of this Contract.

10.2 Fire Prevention and Protection:

A. Hazard Control: Take all necessary precautions to prevent fire during construction. Provide adequate ventilation during use of volatile or noxious substances.

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 and Project Closeout: Submit written certification that project is complete, and a final inspection must be requested to the Contracting Officer and/or Contracting Officer Representative 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. 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 and/or Contracting Officer Representative will notify Contractor in writing and prepare the Punchlist Items on the Final Project Closeout Checklist/Inspection document.

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 items as documented on the final project closeout checklist/inspection document.

D. If Contractor completes all items of work on the Punch List and all contractually required items, Contracting Officer will issue documentation of final acceptance/project completion of the work by issuing final approval on the Final Project Closeout Checklist/Inspection document, resulting in issuing final acceptance of the project.

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.

11.4 Acceptance of the Work: After all deficiencies have been corrected, a Letter of Acceptance will be

01 11 00 - 16 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 project 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

Statement of Work

DIVISION 07 – 41 13.16 STANDING METAL SEAM ROOFING

PART 1 - General

1.1 SCOPE OF WORK

A. Building(s) Name/Identifier:

Office, Carpenter Shop, Cold Storage, and Barn

B. Tasks:

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

3. Removal of flashings.

4. Removal and possible replacement of plumbing vents and boots.

5. Temporary roofing during construction where required. Temporary roofing shall continue to keep the project roof watertight and 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.

6. Remove and replace the existing asphalt shingles and associated roof flashings, the existing down to deck and replace any existing roof sheeting as required before installing the new continuous layer of ice guard, continuous layer of synthetic nailable underlayment, panel clips roof panels, rake trim, all required roof flashings and connections, gutters and downspouts per industry standards.

7. National Park Service (NPS) requires the existing roof decks to be walked after demolition

01 11 00 - 17 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 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 other visible damage.

8. General Guidance: Bids will include replacing 20% of all wood decking, wood trim and repair /replace. Contactor will provide the appropriate measurements for additional work above the 20% allocated. Payment for decking replacement will be based on actual SF replacement at the fixed unit price quoted in the 20% replacement cost provided on the bid schedule.

If it is determined that an area needs to be repaired/replaced, Contractor must notify the COR immediately and work in conjunction with the COR to ensure the area is repaired/replaced appropriately.

All 20% replacement must be accurately documented (i.e. annotate actual SF needing to be replaced on contractor quality control logs/reports, take pictures of affected area, etc.…) and approved by COR before any repairs or replacement is performed. Pictures of before, during and after are required. Pictures of all sheathing to be replaced is required before, during and after replacement.

C. Roof Area:

1. Refer to proposed roof plans with general dimensions ±.

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

3. Office: square footage is approximately 2,100 sq. ft. with 86 lin. ft. of gutter

4. Carpenter Shop: square footage is approximately 2,800 sq. ft. with 144 lin. ft. of gutter

5. Cold Storage: square footage is approximately 2,150 sq. ft. with 110 lin. ft. of gutter

6. Barn: square footage is approximately 4,200 sq. ft.

7. Garage: square footage is approximately 2,825sq. ft.

1.2 SUMMARY

A. Section Includes:

1. Selective Demolition

2. Standing Metal Seam Roof Panels

3. Roof Insulation

4. Insulation Accessories

5. Sheet metal Flashing and Trims

6. Underlayment Materials

7. Miscellaneous Materials

8. Gutters and Downspouts

1.3 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1.4 ACTION SUBMITTALS

A. Product Data: For each type of product.

B. Shop Drawings: Include fabrication and installation layouts of metal panels; details of edge

01 11 00 - 18 conditions, joints, panel profiles, corners, anchorages, attachment system, trim, flashings, closures, and accessories; and special details.

C. Samples: For each type of metal panel and color indicated. Minimum color sample size to be 4 inches by 4 inches.

1.5 INFORMATIONAL SUBMITTALS

A. Product test reports.

B. Warranties: Sample of special warranties.

1.6 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.

1.7 CLOSEOUT SUBMITTALS

A. Maintenance data.

1.8 QUALITY ASSURANCE

A. Installer Qualifications: An entity that employs installers and supervisors who are trained and approved by manufacturer.

B. UL-Certified, Portable Roll-Forming Equipment: UL-certified, portable roll-forming equipment capable of producing metal panels warranted by manufacturer to be the same as factory-formed products. Maintain UL certification of portable roll-forming equipment for duration of work.

1.9 WARRANTY

A. Special Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of metal panel systems that fail in materials or workmanship within specified warranty period.

1. Warranty Period: Five years from date of Completion.

2. Provide a manufacturer’s five year no dollar limit roof system materials and installation workmanship warranty, including flashing, insulation, components, trim, and accessories necessary for a watertight roof system construction. Make warranty directly to the Government, commencing at time of Government's acceptance of the roof work. The warranty must state that:

a. If within the warranty period, the metal roof system, as installed for its intended use in the normal climatic and environmental conditions of the facility, becomes non-watertight, shows evidence of moisture intrusion within the assembly, displaces, corrodes, perforates, separates at the seams, or shows evidence of excessive weathering due to defective materials or installation workmanship, the repair or replacement of the defective and damaged materials of the metal roof system and correction of defective workmanship is the responsibility of the metal roof panel manufacturer. All costs associated with the repair or replacement work are the responsibility of the metal roof panel manufacturer.

01 11 00 - 19

b. If the manufacturer or his approved applicator fail to perform the repairs within 24 hours of notification, emergency temporary repairs performed by others does not void the warranty.

B. Special Warranty on Panel Finishes: Manufacturer's standard form in which manufacturer agrees to repair finish or replace metal panels that show evidence of deterioration of factory-applied finishes within specified warranty period.

1. Finish Warranty Period: 20 years from date of Completion.

2. Provide a manufacturer’s no-dollar-limit 20 year warranty for the roofing system. Issue the warranty directly to the Government at the date of Government acceptance, warranting that the factory color finish, under normal atmospheric conditions at the site, will not crack, peel, or delaminate; chalk in excess of a numerical rating of 8 when measured in accordance with American Society of Testing Materials (ASTM) D4214; or fade or change colors in excess of 5 National Bureau of Standards (NBS) units as measured in accordance with ASTM D2244.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Energy Performance: Provide roof panels that are listed on the EPA/DOE's ENERGY STAR "Roof Product List" for low, or high-slope roof products.

B. Energy Performance: Provide roof panels according to one of the following when tested according to Cool Roof Rating Council (CRRC) CRRC-1:

1. Three-year, aged Solar Reflectance Index of not less than 29 for high sloped roofs >2:12, or a Solar Reflectance Index of not less than 78 for low sloped roofs <2:12 when calculated according to ASTM E1980.

C. Structural Performance: Provide metal panel systems capable of withstanding the effects of the following loads, based on testing according to ASTM E1592:

1. Wind Loads: As indicated below for Building 20 feet high or less.

a. Metal roof panel assembly shall resist the following wind loads as determined by ASCE 7-10 with a factor of safety appropriate for the material holding the anchor:

1) At eaves (-30.9 psf), and (+16 psf)

2) At rakes (-30.9 psf), and (+16 psf)

3) At ridge (-30.9 psf), and (+16 psf)

4) At building corners (-46.5 psf), and (+16 psf)

5) At central areas (-18.4 psf), and (+16 psf)

2. Deflection Limits: For wind loads, no greater than 1/180 of the span.

D. Air Infiltration: Air leakage of not more than 0.06 cfm/sq. ft. (0.3 L/s per sq. m) when tested according to ASTM E1680, or ASTM E283 at the following test-pressure difference:

1. Test-Pressure Difference: 6.24 lbf/sq. ft. (300 Pa).

E. Water Penetration under Static Pressure: No water penetration when tested according to ASTM E1646 or ASTM E331 at the following test-pressure difference:

01 11 00 - 20

1. Test-Pressure Difference: 6.24 lbf/sq. ft. (300 Pa).

F. Factory Mutual (FM) Global Listing: Provide metal roof panels and component materials that comply with requirements in FM Global 4471 as part of a panel roofing system and that are listed in FM Global's "Approval Guide" for Class 1 or noncombustible construction, as applicable.

Identify materials with FM Global markings.

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

2. Hail Resistance: SH.

G. Thermal Movements: Allow for thermal movements from ambient and surface temperature changes by preventing 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.

2.2 STANDING-SEAM METAL ROOF PANELS

A. Provide factory-formed metal roof panels designed to be installed by lapping and interconnecting raised side edges of adjacent panels with joint type indicated and mechanically attaching panels to supports using concealed clips in side laps. Include clips, cleats, pressure plates, and accessories required for weathertight installation.

1. Steel Panel Systems: Unless more stringent requirements are indicated, comply with

ASTM E1514.

B. Vertical-Rib, Double Lock Seamed-Joint, Standing-Seam Metal Roof Panels: Formed with vertical ribs at panel edges and a flat pan between ribs; designed for sequential installation by mechanically attaching panels to supports using concealed clips located under one side of panels, engaging opposite edge of adjacent panels, and mechanically seaming panels together.

1. Metallic-Coated Steel Sheet: Zinc-coated (galvanized) steel sheet complying with ASTM A653/A653M, G90 (Z275) coating designation, or aluminum-zinc alloy-coated steel sheet complying with ASTM A792/A792M, Class AZ50 (Class AZM150) coating designation; structural quality. Prepainted by the coil-coating process to comply with

ASTM A755/A755M.

a. Nominal Thickness: 22 gauge.

b. Exterior Finish: Two-coat fluoropolymer.

c. Color: As selected by COR from manufacturer's full range.

2. Clips: One-piece fixed, or two-piece floating to accommodate thermal movement.

a. Material: 0.064-inch- (1.63-mm-) nominal thickness, zinc-coated (galvanized) or aluminum-zinc alloy-coated steel sheet.

3. Joint Type: Double folded.

4. Panel Coverage: 18 inches (457 mm).

5. Panel Height: 2.0 inches (51 mm).

2.3 UNDERLAYMENT MATERIALS

A. Self-Adhering, High-Temperature Underlayment: Provide self-adhering, cold-applied, sheet underlayment, a minimum of 30 mils (0.76 mm) thick, consisting of slip-resistant, polyethylene-

01 11 00 - 21 film top surface laminated to a layer of butyl or SBS-modified asphalt adhesive, with release-paper backing. Provide primer when recommended by underlayment manufacturer.

1. Thermal Stability: Stable after testing at 240 deg F (116 deg C); ASTM D1970.

2. Low-Temperature Flexibility: Passes after testing at minus 20 deg F (29 deg C);

ASTM D1970.

B. Felt Underlayment: ASTM D226/D226M, Type II (No. 30), asphalt-saturated organic felts.

C. Slip Sheet: Manufacturer's recommended slip sheet, of type required for application.

D. Valleys, Eaves, Rake, and Roof/Wall Intersections: Install Self-Adhering, Polymer-Modified Bitumen Sheet: ASTM D1970/D1970M, minimum 55-mil- (1.4-mm-) thick sheet; glass-fiber-mat-reinforced, polymer-modified asphalt; with slip-resistant top surface and release backing;

cold applied. Material to be supplied in 36 inch wide rolls. Provide primer for adjoining concrete, masonry, and metal surfaces to receive underlayment as recommended by the manufacturer.

Approved product includes but is not limited to the following:

1. Grace Ice & Water Shield; Grace Construction Products.

2. WinterGuard Waterproofing underlayment; CertainTeed.

3. RhinoRoof Granulated Self-Adhered underlayment.

2.4 MISCELLANEOUS MATERIALS

A. Miscellaneous Metal Subframing and Furring: ASTM C645; cold-formed, metallic-coated steel sheet, ASTM A653/A653M, G90 (Z275 hot-dip galvanized) coating designation or ASTM A792/A792M, Class AZ50 (Class AZM150) coating designation unless otherwise indicated.

Provide manufacturer's standard sections as required for support and alignment of metal panel system.

B. Panel Accessories: Provide components required for a complete, weathertight panel system including trim, copings, fasciae, mullions, sills, corner units, clips, flashings, sealants, gaskets, fillers, closure strips, and similar items. Match material and finish of metal panels unless otherwise indicated.

1. Closures: Provide closures at eaves and ridges, fabricated of same metal as metal panels.

2. Backing Plates: Provide metal backing plates at panel end splices, fabricated from material recommended by manufacturer.

3. Closure Strips: Closed-cell, expanded, cellular, rubber or crosslinked, polyolefin-foam or closed-cell laminated polyethylene; minimum 1-inch- (25-mm-) thick, flexible closure strips; cut or premolded to match metal panel profile. Provide closure strips where indicated or necessary to ensure weathertight construction.

C. Flashing and Trim: Provide flashing and trim formed from same material as metal panels as required to seal against weather and to provide finished appearance. Locations include, but are not limited to, eaves, rakes, corners, bases, framed openings, ridges, fasciae, and fillers. Finish flashing and trim with same finish system as adjacent metal panels.

D. Gutters and Downspouts: Formed from same material as roof panels according to SMACNA's

"Architectural Sheet Metal Manual." Finish to match metal roof panels, and or roof fascia and rake trim per the original building design.

E. Panel Fasteners: Self-tapping screws designed to withstand design loads.

01 11 00 - 22

1. Panel Sealants: Provide sealant type recommended by manufacturer that are compatible with panel materials, are nonstaining, and do not damage panel finish. Sealant Tape:

Pressure-sensitive, 100 percent solids, gray polyisobutylene compound sealant tape with release-paper backing; 1/2 inch (13 mm) wide and 1/8 inch (3 mm) thick.

2. Joint Sealant: ASTM C920; as recommended in writing by metal panel manufacturer.

3. Butyl-Rubber-Based, Solvent-Release Sealant: ASTM C1311.

2.5 FABRICATION

A. Fabricate and finish metal panels and accessories at the factory, by manufacturer's standard procedures and processes, as necessary to fulfill indicated performance requirements demonstrated by laboratory testing. Comply with indicated profiles and with dimensional and structural requirements.

B. On-Site Fabrication: Subject to compliance with requirements of this Section, metal panels may be fabricated on-site using UL-certified, portable roll-forming equipment if panels are of same profile and warranted by manufacturer to be equal to factory-formed panels. Fabricate according to equipment manufacturer's written instructions and to comply with details shown.

C. Provide panel profile, including major ribs and intermediate stiffening ribs, if any, for full length of panel.

D. Fabricate metal panel joints with factory-installed captive gaskets or separator strips…