Statement_of_Work_-_Duffy_Roof.pdf

Duffy Roof Replacement PMIS# 238423 Cuyahoga Valley National Park

Cuyahoga Valley National Park Brecksville, Ohio

STATEMENT OF WORK

DUFFY ROOF REPLACEMENT

DATED:

February 25, 2021

NATIONAL PARK SERVICE

MIDWEST REGION

OHIO MAJOR ACQUISITION BUYING OFFICE

PMIS# 238423

Duffy Roof Replacement PMIS# 238423 Cuyahoga Valley National Park

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 31 13 – Asphalt Shingles

APPENDIX

Appendix A: Existing Photographs Appendix B: Roof Plan Drawings

CUVA PMIS 238423 6/4/2020

DIVISION 01 GENERAL REQUIREMENTS 011000 - 1

SECTION 01 10 00

DIVISION 01 SHORT FORM GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The Duffy buildings’ roof systems have exceeded their 20-year life cycle and/or show accelerated wear. The project includes 7,940 square feet of shingles and approximately 692 linear feet of gutters and downspouts.

Duffy roofs as follows:

A. Duffy House New: 2424 square feet B. Duffy House Old: 2502 C. Duffy Barn: 1968 square feet D. Out Buildings: 250 square feet E. Duffy Barn Downspouts and gutter: 101’ of gutters (brushed aluminum), 80’ of downspout F. Duffy house downspouts and gutter: 210’ of downspouts, 295’ of gutters.

1.2 Work Covered by the Contract Documents:

A. Project Location:

1. Duffy House and barn: 4965 Quick Road and 4953 Quick Road, Peninsula, OH

44264.

B. Work consists of:

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

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

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

4. Removal of flashings and counterflashing.

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 asphalt shingle roof system and associated roof flashings, down to deck before installing the new roof system, associated metal roof flashings and trims. Replace existing roof gutters and downspouts.

9. National Park Service (NPS) requires the existing roof decks to be walked after demolition has been completed with their onsite Contracting Officer Representative (COR) or designated Project Inspector prior to installation of any new roof materials to ascertain if any water penetration has caused deterioration or corrosion of the existing decks which are to remain This can include visible areas of water damage

DIVISION 01 GENERAL REQUIREMENTS 011000 - 2

ITEM 2 – EXISTING UTILITIES

2.1 Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the Government. If damage occurs to an unknown utility, repair utility. An equitable adjustment will be made in accordance with the Changes clause of the contract.

2.4 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:

A. Notify COR not less than two days in advance of proposed utility interruptions.

B. Hours for Utility Shutdowns: Shutdowns 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.

Refer to website: http://www.achp.gov/nhpa.html

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.

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

C. Pubic 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

8 a.m. to 5 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 COR. Submit requests for work outside of the stated normal business hours to the COR 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 operation. Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Limits: Discuss the confine construction operations - example to within 25-feet on either side of the existing or proposed potable water system and components

DIVISION 01 GENERAL REQUIREMENTS 011000 - 3

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 entrance.

D. Security and Protection facilities installation:

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 req

2. 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 enough to accommodate construction operations and storage. Yellow tape is not a sufficient barrier.

3. 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. One bay and the parking lot will be available for storage. 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.

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

3.6 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 using contractor provided dumpsters on site.

3.7 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

DIVISION 01 GENERAL REQUIREMENTS 011000 - 4

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 COR.

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.

3.8 Photo Documentation:

A. All photos shall be in focus close detail photo as needed. Shall be in JPEG digital form and submitted within 7 days or as approved by COR.

B. 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.

C. 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.

3.9 Fire and Life Safety:

A. 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 COR on the contractor’s daily reports.

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

C. 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.

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

2. Maintain a spill emergency response kit.

DIVISION 01 GENERAL REQUIREMENTS 011000 - 5

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

3.10 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 COR.

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

ITEM 4 - COMMENCEMENT, PROSECUTION, AND COMPLETION

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

1. Period of Performance for this project will be 120 days after the issuance of the Notice to Proceed (NTP)

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 following: https://www.nps.gov/orgs/1671/do-business-with-us.htm

DIVISION 01 GENERAL REQUIREMENTS 011000 - 6

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: Once the Notice to Proceed has been issued, submit for approval an accident prevention program. The program shall include:

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

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 COR as soon as possible and assist the COR 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.

DIVISION 01 GENERAL REQUIREMENTS 011000 - 7

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:

A pre-construction conference between the awarded contractor, contracting office and COR will be held prior to the Notice to Proceed being issued. All items needed in order to schedule the pre-construction conference and issue the Notice to Proceed are listed in Item # 9.1 General Submittal Procedures – C.

#’s 1-5

ITEM 9 - SUBMITTALS

9.1 General Submittal Procedures:

A. General: Prepare and submit submittals required by individual Specification Sections. Types of submittals are indicated in individual specific sections.

1. CM-16 Transmittal Form: All submittals shall be transmitted via electronic 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. All CM-16 transmittal forms will be submitted to the CO and COR for review.

B. 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.

C. Documents to be submitted to Contracting Office before NTP will be issued (all are due 10 days after notice of contract award – per block #12a of SF 1442 and this SOW):

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

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

• Performance Bond - Must be provided for any construction contract 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

DIVISION 01 GENERAL REQUIREMENTS 011000 - 8

D. 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.

E. Documents to be submitted to Contracting Office after NTP has been issued and work can be performed on-site/begin (all are due 10 days after issuance of NTP – per block #11 of SF 1442):

F. The following submittals shall be submitted with a CM_16 transmittal cover 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. Safety/Accident Prevention Plan

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

5. List of individuals working on the project

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

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

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

1. 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.

This document will be reviewed weekly to ensure compliance to the contract.

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 SOW. 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

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

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

A. Shop Drawings: Indicate waterproofing and electrical materials, connection details, anchorage spacing, hardware locations, and installation details.

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

C. For submittals specified above, forward submittals to the Contracting Office and he/she will forward them to the Contracting Officers Representative for approval. Please submit

DIVISION 01 GENERAL REQUIREMENTS 011000 - 9

at least 15 days before need for approval.

D. After approving submittals, Contracting Officer will return one copy to the Contractor. If submittals are not approved, Contracting Officer will return all copies to Contractor with reasons for rejection. Resubmit, identifying changes. 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 vendor.

5. Manufacturer’s literature regarding installation, operation, and maintenance, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists.

6. 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 days after Notice of Award and before beginning any work, submit Progress Schedule. Contracting Officer will review the Progress Schedule for format and content. Submit four copies of Progress Schedule (normally in bar chart form) showing estimated starting and completion dates for each part of the work. The first progress payment will not be issued until an acceptable progress schedule is submitted. The following information must accompany submission of progress schedules 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

DIVISION 01 GENERAL REQUIREMENTS 011000 - 10

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

10.1 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: Submit written certification that project is substantially complete, and a final inspection must be requested to the Contracting Officer or designee 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 or designee will prepare a Punch List and issue a final approval when complete.

B. If the work is not determined to be complete following the final inspection, the Contracting

Officer or designee will notify 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 30 calendar days, documented weather permitting.

D. If Contracting Officer or designee 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 Contractor completes all items of work on the Punch List and all contractually required items, the contracting officer and their designee will sign the Final Inspection Checklist.

F. 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.

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

DIVISION 01 GENERAL REQUIREMENTS 011000 - 11

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. Construction Warranty shall be based on date of Final Inspection

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 inspection

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

11.6 Sustainability

A. To the greatest extent possible, provide products and materials that have a lesser or reduced effect on the environment considering raw materials acquisition, production, manufacturing, packaging, distribution, reuse, operation, maintenance, and/or disposal of the product.

B. Use products meeting or exceeding EPA’s recycled content recommendations for EPA designated products. Use materials with recycled content such that the sum of postconsumer recycled content plus on-half of the pre-consumer content constitutes at least 10% (based on cost) of the total value of the materials in the project.

C. Products will be GREENGUARD Certified for low chemical emissions and free of rea-formaldehyde, a known air-quality contaminant.

D. All materials must meet EPA guidelines. Requirements can be found at:

https://sftool.gov/green-products.

E. During installation, recycle or salvage at least 50 percent of the non-hazardous materials, excluding soil, where markets or onsite recycling opportunities exist.

F. Provide salvage, reuse and recycling services for waste generated from major renovations, where markets or onsite recycling opportunities exist.

END OF SECTION

ASPHALT SHINGLES 073113 - 1

SECTION 07 31 13

ASPHALT SHINGLES

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Selective Demolition.

2. Glass-fiber-reinforced asphalt shingles.

3. Underlayment materials.

4. Vents and plumbing stack boots.

5. Sheet metal flashing and trim.

6. Gutter and downspouts.

7. Fall Protection Roof Anchor.

1.2 PREINSTALLATION MEETINGS

A. Preinstallation Conference: Conduct conference at Project site.

1.3 ACTION SUBMITTALS

A. Product Data: For each type of product.

1. Preparation instructions and recommendations.

2. Storage and handling requirements and recommendations.

3. Installation methods.

B. Sustainable Design Submittals:

1. Product Test Reports: For roof materials, documentation indicating that roof materials comply with Solar Reflectance Index requirements.

C. Shop Drawings: For sheet metal flashing, trim, and fall protection roof anchors.

D. Samples: For each exposed product and for each color and blend specified.

1.4 INFORMATIONAL SUBMITTALS

A. Product test reports.

B. Research reports for synthetic underlayment.

C. Sample warranty.

1. Material warranty.

2. Roofing installer warranty.

ASPHALT SHINGLES 073113 - 2

1.5 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.

1.6 CLOSEOUT SUBMITTALS

A. Maintenance data.

1.7 QUALITY ASSURANCE

A. Installer Qualifications: An authorized installer who is trained and approved by manufacturer.

1.8 WARRANTY

A. Materials Warranty: Manufacturer agrees to repair or replace asphalt shingles that fail within specified warranty period.

1. Materials Warranty Period: 30 years from date of final inspection, prorated, with first 10 years nonprorated.

2. Wind-Speed Warranty Period: Asphalt shingles will resist blow-off or damage caused by wind speeds of up to 130 mph (58.1 m/s) for 15 years from date of final inspection.

3. Algae-Resistance Warranty Period: Asphalt shingles will not discolor for 20 years from date of final inspection.

B. Roofing Installer’s Warranty: Roofing installer to provide and sign a Roofing Installer’s Warranty in which Installer agrees to repair or replace components of asphalt-shingle roofing that fail in materials or workmanship within specified warranty period.

1. Warranty Period: Five years from date of final inspection.

PART 2 - PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Exterior Fire-Test Exposure: Provide asphalt shingles and related roofing materials identical to those of assemblies tested for Class A fire resistance in accordance with American Society of Testing Materials (ASTM) E108 or UL 790 by Underwriters Laboratories or another testing and inspecting agency acceptable to authorities having jurisdiction. Identify products with appropriate markings of applicable testing agency.

B. Wind Resistance: Provide asphalt shingles that comply with requirements of

ASTM D7158/D7158M, Class H.

C. Energy Performance, ENERGY STAR: Provide asphalt shingles that are listed on the DOE's "ENERGY STAR Roof Product List" for steep-slope (2:12 or greater) roof products https://www.energystar.gov/products/building_products/roof_products/key_product_criteria.

D. Solar Reflectance Index (SRI): Three-year-aged SRI not less than 0.15 or initial SRI not less than 0.25 when calculated according to ASTM E 1980, based on testing identical products by a qualified testing agency.

ASPHALT SHINGLES 073113 - 3

E. Shingles:

1. Mineral granular-surfaced asphalt shingles.

a. Self-sealing.

b. Square tab.

c. Fungus-resistant.

d. Impact resistant shingles, Class 4.

e. Type I, weighing not less than 290 pounds per 100 square feet.

2.2 GLASS-FIBER-REINFORCED ASPHALT SHINGLES

A. Laminated-Strip Asphalt Shingles: ASTM D3462/D3462M, laminated, multi-ply overlay construction; glass-fiber reinforced, mineral-granule surfaced, and self-sealing.

1. Basis of Design: Atlas Pinnacle Pristine High-Performance Shingles.

2. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

a. Atlas Molded Products; a Division of Atlas Roofing Corporation.

b. CertainTeed Corporation.

c. GAF.

d. Owens Corning.

e. Tamko Building Products, Inc.

f. Other Approved Equals.

3. Strip Size: Manufacturer's standard approximately 36 inch.

4. Algae Resistance: Granules resist algae discoloration.

5. Impact Resistance: Underwriters Laboratory (UL) 2218, Class 4.

6. Fire Resistance: UL 790 for Class A.

7. Color and Blends: As selected by COR from manufacturer's full range.

B. Hip and Ridge Shingles: Manufacturer's standard units to match asphalt shingles.

2.3 UNDERLAYMENT MATERIALS

A. Synthetic Underlayment: UV-resistant polypropylene, polyolefin, or polyethylene polymer fabric with surface coatings or treatments to improve traction underfoot and abrasion resistance;

evaluated and documented to be suitable for use as a roof underlayment under applicable codes by a testing and inspecting agency acceptable to authorities having jurisdiction

1. Basis of design: Rhino Roof U20, as manufactured by InterWrap, Inc.

a. Product requirements include the following minimum characteristics listed below:

1) Permeability ASTM E96 - .05 perms.

2) Water Transmission ASTM D4869 – pass.

3) Tear Strength ASTM D4533 – MD 30 lbs. (14 kg).

4) Tensile Strength ASTM D751 – MD 80 lbs. (36 kg).

5) Bursts Strength ASTM D751 – 150 psi (1033 kPa)

6) Nominal Thickness ASTM D1777 – 6 mils (0.15 mm).

7) Width Per Roll – 36 inches.

2. Manufacturers: Subject to compliance with requirements, provide products by one of the following:

ASPHALT SHINGLES 073113 - 4

a. Atlas Roofing Corporation.

b. CertainTeed Saint-Gobain.

c. GAF.

d. Owens Corning.

e. Tamko Building Products, Inc.

f. Other Approved Equal

B. 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. Rhino Roof Granulated Self-Adhered underlayment.

4. Other Approved Equals.

2.4 VENTS

A. Rigid Ridge Vent: Manufacturer's standard, rigid-section, high-density, UV-stabilized plastic ridge vent for use under ridge shingles. Provide vents to match the size and net free area of the existing vents being replaced.

1. Manufacturers: Subject to compliance with requirements, available manufacturers offering products that may be incorporated into the Work include, but are not limited to the following:

a. Venturi Vent Plus, as manufactured by Air Vent Inc.

b. Certainteed Ridge Vent - 12".

c. Owens Corning VentSure.

d. Other Approved Manufacturers.

2.5 ACCESSORIES

A. Asphalt Roofing Cement: ASTM D4586/D4586M Type II, asbestos free.

B. Roofing Nails: ASTM F1667, , stainless steel, , wire shingle nails, minimum 0.120-inch- (3- mm-

) diameter, sharp-pointed, with a 3/8- to 7/16-inch- (10- to 11-mm-) diameter flat head and of sufficient length to penetrate 3/4 inch (19 mm) into solid wood decking or extend at least 1/8 inch (3 mm) through sheathing less than 3/4 inch (19 mm) thick.

1. Where nails are in contact with metal flashing, use nails made from same metal as flashing.

C. Synthetic Underlayment Fasteners: As recommended in writing by synthetic-underlayment manufacturer for application.

D. 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.

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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.

E. Removed and Reinstalled Items:

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

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

3. Lightning protection to be removed and reinstalled by a certified installer.

F. Existing Items to Remain: Protect construction indicated to remain against damage and soiling during selective demolition

G. 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.

2.6 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. Hanging Gutters: Fabricate to cross section required, complete with end pieces, outlet tubes, and other accessories as required. Fabricate in minimum 2400-mm- (96-inch-) long sections. Furnish flat-stock gutter brackets and gutter spacers and straps fabricated from same metal as gutters, of size recommended by cited sheet metal standard but with thickness not less than twice the gutter thickness. Fabricate expansion joints, expansion-joint covers, and gutter accessories from same metal as gutters.

a. Aluminum-Zinc Alloy-Coated Steel: 0.71 mm (0.022 inch) thick.

3. Downspouts: Fabricate in style 4-inch downs to replace existing downspouts complete with mitered elbows. Furnish with metal hangers from same material as downspouts and anchors. Shop fabricate elbows.

a. Aluminum-Zinc Alloy-Coated Steel: 0.71 mm (0.022 inch)

2.7 FALL PROTECTION ROOF ANCHORS

A. General: Install fall protection roof anchors on asphalt shingle roofing that meet or exceeds

OSHA and ANSI standards, and be tested and certified by professional engineer. The D-ring roof anchor is designed to fasten under shingles to a sufficient nailing surface, leaving the D-ring exposed for attachment of personal fall arrest system. Provide a configuration of anchor points that is determined to be safe and effective by a Qualified Person (ANSI 2.109).

B. Basis of Design

ASPHALT SHINGLES 073113 - 6

1. Manufacturer: FallTech

2. Product: Stainless Steel Single D-Ring Permanent Roof Anchor, Part # 7434.

3. Requests for substitutions will be considered in accordance with provisions of Section

011000, General Requirements.

C. Anchors

1. Coordinate manufacturer’s installation requirements with substrate materials, dimension of roof, and slope that is installed.

2. Anchors to be installed as permanent attachment designed for residential applications for fall arrest or restraint.

3. Anchors to meet the following loads in any direction:

a. Working Load: 1,250 pounds.

b. Ultimate Load: 5,000 pounds.

c. Maximum Fall Arrest Force: 1,800 pounds when wearing a body harness with a safety factor of 2 without permanent deformation, and 5,000 pounds against fracture or detachment.

d. Maximum support of one worker with a max loaded weight of 310 lbs.

D. Fabrication

1. Fabricate items with joints tightly fitted and secured, and in manner that will not allow moisture accumulation. The installed anchors will maintain and water-tight roof without leaks.

2. Verify there are no burrs on anchor loops.

E. Finish

1. Stainless Steel.

F. Fasteners

1. As recommended by manufacturer.

PART 3 - EXECUTION

3.1 INSTALLATION OF UNDERLAYMENT MATERIALS

A. General: Comply with underlayment manufacturer's written installation instructions applicable to products and applications indicated unless more stringent requirements apply.

B. Synthetic Underlayment:

1. Install on roof deck parallel with and starting at the eaves.

a. Lap sides and ends and treat laps as recommended in writing by manufacturer, but not less than 2 inches (51 mm) for side laps and 6 inches (152 mm) for end laps.

b. Stagger end laps between succeeding courses at interval recommended in writing by manufacturer, but not less than 72 inches (1829 mm).

c. Fasten with underlayment nails in accordance with manufacturer's written instructions.

d. Cover underlayment within period recommended in writing by manufacturer.

2. Install in single layer on roofs sloped at 4:12 and greater.

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3. Install in double layer on roofs sloped at less than 4:12.

4. Install synthetic underlayment over areas protected by self-adhering, polymer-modified bitumen sheet unless otherwise specified in this Section or indicated on Drawings.

a. Lap sides of underlayment over self-adhering sheet not less than 4 inches (102 mm) in direction to shed water.

b. Lap ends of underlayment not less than 6 inches (152 mm) over self-adhering sheet.

5. Terminate synthetic underlayment extended up not less than 4 inches (102 mm) against sidewalls, curbs, chimneys, and other roof projections.

C. Self-Adhering, Polymer-Modified Bitumen Sheet (ice guard): Install, wrinkle free, on roof deck in locations indicated on Drawings.

1. Comply with low-temperature installation restrictions of underlayment manufacturer.

2. Install lapped in direction that sheds water.

a. Lap sides not less than 4 inches (102 mm).

b. Lap ends not less than 6 inches (152 mm), staggered 24 inches (610 mm) between succeeding courses.

c. Roll laps with roller.

3. Prime concrete, masonry, and metal surfaces to receive self-adhering sheet if required in writing by the manufacturer for installation of their underlayment.

4. Cover underlayment within seven days.

3.2 INSTALLATION OF SHEET METAL FLASHING AND TRIM

A. Examination:

1. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances, substrate, and other conditions affecting performance of the Work.

a. Verify compliance with requirements for installation tolerances of substrates.

b. Verify that substrate is sound, dry, smooth, clean, sloped for drainage, and securely anchored.

c. Verify that air- or water-resistant barriers have been installed over sheathing or backing substrate to prevent air infiltration or water penetration.

2. Proceed with installation only after unsatisfactory conditions have been corrected.

B. Underlayment Installation:

1. Synthetic Underlayment: Install synthetic underlayment, wrinkle free, according to manufacturers’ written instructions, and using adhesive where possible to minimize use of mechanical fasteners under sheet metal

C. Roof Flashing Installation:

1. General: Install sheet metal flashing and trim to comply with performance requirements, sheet metal manufacturer's written installation instructions, and cited sheet metal standard.

Provide concealed fasteners where possible, and set units true to line, levels, and slopes.

Install work with laps, joints, and seams that are permanently watertight and weather resistant

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2. Counterflashing: Coordinate installation of counterflashing with installation of base flashing.

Insert counterflashing in ringlets or receivers and fit tightly to base flashing. Extend counterflashing 100 mm (4 inches) over base flashing. Lap counterflashing joints minimum of 100 mm (4 inches). Secure in waterproof manner by means of snap-in installation and sealant or lead wedges and sealant unless otherwise notes.

a. Roof-Penetration Flashing: Coordinate installation of roof-penetration flashing with installation of roofing and other items penetrating roof. Seal with elastomeric or butyl sealant and clamp flashing to pipes that penetrate roof per manufacturer’s recommendations.

3. Pipe Flashings: Form flashing around pipe penetrations and asphalt shingles. Fasten and seal to asphalt shingles as recommended by manufacturer.

D. Cleaning and Protection:

1. Clean exposed metal surfaces of substances that interfere with uniform oxidation and weathering.

2. Clean off excess sealants.

3. Remove temporary protective coverings and strippable films as sheet metal flashing and trim are installed unless otherwise indicated in manufacturers written installation instructions. On completion of sheet metal flashing and trim installation, remove unused materials and clean finished surfaces as recommended by sheet metal flashing and trim manufacturer. Maintain sheet metal flashing and trim in clean condition during construction.

E. Replace sheet metal flashing and trim that have been damaged or that have deteriorated beyond successful repair by finish touchup or similar minor repair procedures.

3.3 INSTALLATION OF ASPHALT SHINGLES

A. General: Install asphalt shingles in accordance with manufacturer's written instructions and recommendations in ARMA's "Asphalt Roofing Residential Manual - Design and Application Methods" and NRCA's "NRCA Guidelines for Asphalt Shingle Roof Systems."

B. Install starter strip along lowest roof edge, consisting of an asphalt shingle strip at least 7 inches

(178 mm) wide with self-sealing strip face up at roof edge per manufacturer’s written instructions.

1. Extend asphalt shingles 1/2 inch (13 mm) over fasciae at eaves and rakes.

2. Install starter strip along rake edge.

C. Fasten asphalt shingle strips with a minimum of four roofing nails, but not less than the number indicated in manufacturer's written instructions for roof slope and design wind speed indicated on Drawings and for warranty requirements specified in this Section.

1. Locate fasteners in accordance with manufacturer's written instructions (stainless steel).

2. When ambient temperature during installation is below 50 deg F (10 deg C), hand seal self-sealing asphalt shingles by applying asphalt roofing cement spots between course overlaps after nailing the upper course.

D. Closed-Cut Valleys: Extend asphalt shingle strips from one side of valley 12 inches (305 mm) beyond center of valley.

1. Use one-piece shingle strips without joints in valley.

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2. Fasten with extra nail in upper end of shingle. Install asphalt shingle courses from other side of valley and cut back to a straight line 2 inches (51 mm) short of valley centerline.

3. Trim upper concealed corners of cut-back shingle strips.

4. Do not nail asphalt shingles within 6 inches (152 mm) of valley center.

5. Set trimmed, concealed-corner asphalt shingles in a 3-inch- (76-mm-) wide bed of asphalt roofing cement.

E. Ridge Vents: Install continuous ridge vents over asphalt shingles in accordance with manufacturer's written instructions. Fasten with roofing nails of enough length to penetrate sheathing.

F. Hip and Ridge Shingles: Maintain same exposure of cap shingles as roofing-shingle exposure.

Lap cap shingles at ridges to shed water away from direction of prevailing winds.

1. Fasten with roofing nails of enough length to penetrate sheathing.

2. Fasten ridge cap asphalt shingles to cover ridge vent without obstructing airflow.

3.4 FALL PROTECTION ROOF ANCHOR INSTALLATION

A. Examination

1. Do not begin installation until substrates have been properly prepared.

2. Verify that the mounting locations are free of defects, dirt, debris, oil, grease, structural damage, fire damage, corrosion, and sharp objects.

3. The anchor may only be used on compatible roofing materials and structural substrates, in serviceable conditions, as determined by a Competent Person.

B. Preparation

1. Comply with manufacturer’s recommendations for specific application, including: Structural system, new or existing construction, and system size.

2. Inspect components to ensure damaged parts will not be installed.

3. Clean surfaces thoroughly prior to installation. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

C. Installation Requirements

1. Install in accordance with manufacturer’s instructions and approved shop drawings.

2. Installation shall be performed by manufacturer approved installers under supervision of manufacturer approved supervisors.

3. Verify that any products which may contact lanyards or lifelines are free of abrasive and sharp edges.

4. Isolate dissimilar materials as required to prevent electrolytic corrosion.

5. Only use fasteners supplied by manufacturers.

D. Field Quality Control

1. Testing and certification shall be performed under supervision of the fall projection manufacturer or a licensed professional engineer.

2. After installation, load test each anchor product to no more than 2 times the rated working load to ensure compliance with ANSI and OSHA safety standards and local regulations.

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E. Demonstration and Training

1. Provide training of newly installed equipment for NPS Park Representative and COR.

F. Protection

1. Protect installed products until completion of project.

2. Touchup, repair or replace damaged products before final inspection.

G. Maintenance

1. OSHA and ANSI/ASSE require that anchors first be certified and subsequently inspected on an annual basis. Coordinate with the manufacturer and local inspector as required to maintain compliance.

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SUBMITTAL LIST

CUVA / PMIS 238423 / DUFFY REROOF

SUBMITTAL

REQUIREMENTS (indicate with an "X")

Spec.

Sec.

Par.

No.

Description

INFORMATIONAL ACTION

C E

R T

./L A

B T

E S

T

R E

P O

R T

/C A

L C

O

R P

L A

N

M fg

. D A

IN

S

T R

U C

T

IO

H

O P

D R

A W

G

M P

L E

M fg

. D A

S

T R

U C

T

IO

73113 1.4 Product Data X

73113 1.4 Sustainable Design Product Test Reports X

73113 1.4 Shop Drawing X

73113 1.4 Samples for each product for each color specified

X

73113 1.5 Product Test Reports X

73113 1.5 Research Reports X

73113 1.5 Sample Warranties X

73113 1.7 Maintenance Data X

1. Grace Ice and Water

2. 30-year 3-tab shingles color…