B08_-_A4__-_CONG_239480_Div_2-49_SPECS_Final_7-18-22.pdf

VOLUME 2 OF 2

CONGAREE NATIONAL PARK

PMIS No. 239480

ROOF OVERHANG AT RANGER STATION

AND FALL PROTECTION ON MULTIPLE PARK BUILDINGS

DIVISION 2-49

CONSTRUCTION SPECIFICATIONS

Prepared for:

Congaree National Park Hopkins, South Carolina

July 22, 2022

NATIONAL PARK SERVICE

SOUTHEAST REGION

EAST MAJOR AQUISTION BUYING OFFICE

VOLUME 2 OF 2

CONG – 239480 TABLE OF CONTENTS - 1

TABLE OF CONTENTS

DIVISION, SECTION & PARAGRAPH NUMBERING

Numbering and lettering of sections and paragraphs in this Project Manual are merely for identification.

Sections included are listed in this Table of Contents together with the number of pages in each section.

The Contractor shall check their copies of the Project Manual against this Table of Contents and confirm there are no missing pages or sections.

Number Title No. of Pages

00 01 10 Table of Contents

DIVISION 02 – EXISTING CONDITIONS

02 41 00 Demolition & Abandonment

DIVISION 03 – CONCRETE (Section not used)

DIVISION 04 – MASONRY (Section not used)

DIVISION 05 – METALS (Section not used)

DIVISION 06 – WOOD, PLASTICS, & COMPONENTS

06 10 00 Rough Carpentry

06 17 50 Plate Connected Wood Trusses

DIVISION 07 – THERMAL & MOISTURE PROTECTION

07 01 50.19 Preparation for Re-Roofing

07 21 13 Blanket Insulation

07 22 07 Fall Protection Devices

07 31 13 Asphalt Shingles

07 61 13 Standing Seam Sheet Metal Roofing

07 62 00 Sheet Metal Flashing & Trim

07 72 26 Ridge Vents

07 90 00 Joint Sealers

CONG – 239480 TABLE OF CONTENTS - 2

DIVISION 09 – FINISHES (Section not used)

DIVISION 10 – SPECIALTIES (Section not used)

DIVISION 11 – EQUIPMENT (Section not used)

DIVISION 12 – FURNISHINGS (Section not used)

DIVISION 13 – SPECIAL CONSTRUCTION (Section not used)

DIVISION 14 – CONVEYING EQUIPMENT (Section not used)

DIVISION 21 – FIRE SUPPRESSION (Section not used)

DIVISION 22 – PLUMBING (Section not used)

DIVISION 23 – HEATING, VENTILATING, & AIR CONDITIONING (HVAC) (Section not used)

DIVISION 25 – INTEGRATED AUTOMATION (Section not used)

DIVISION 26 – ELECTRICAL (Section not used)

DIVISION 27 – COMMUNICATIONS (Section not used)

DIVISION 28 – ELECTRONIC SAFETY & SECURITY (Section not used)

DIVISION 31 – EARTHWORK

31 23 33.20 Restoration of Surfaces

31 25 00 Erosion & Sediment Control

CONG – 239480 TABLE OF CONTENTS - 3

DIVISION 32 – EXTERIOR IMPROVEMENTS (Section not used)

DIVISION 33 – UTILITIES (Section not used)

DIVISION 34 – TRANSPORTATION (Section not used)

DIVISION 35 – WATERWAY & MARINE CONSTRUCTION (Section not used)

DIVISION 40 – PROCESS INTERCONNECTIONS (Section not used)

DIVISION 41 – MATERIAL PROCESSING & HANDLING EQUIPMENT (Section not used)

DIVISION 42 – PROCESS HEATING, COOLING, & DRYING EQUIPMENT (Section not used)

DIVISION 43 – PROCESS GAS AND LIQUID HANDLING, PURIFICATION, & STORAGE

EQUIPMENT (Section not used)

DIVISION 44 – POLLUTION CONTROL EQUIPMENT (Section not used)

DIVISION 45 – INDUSTRY – SPECIFIC MANUFACTURING EQUIPMENT (Section not used)

DIVISION 46 – WATER AND WASTEWATER EQUIPMENT (Section not used)

DIVISION 48 – ELECTRICAL POWER GENERATION (Section not used)

DIVISION 02

EXISTING CONDITIONS

CONG – 239480 02 41 00 - 1

DEMOLITION & ABANDONMENT

SECTION 02 41 00

PART 1 - GENERAL

1.1 DESCRIPTION

A. The work of this Section includes all demolition, removal, salvage and disposal of existing structures, piping, and materials.

1.2 SUBMITTALS

A. As specified in Division 01 Section 01 33 23 “Submittal Procedures.”

B. Certifications and Testing consistent with Division 01 Section 01 33 23 “Submittal Procedures” and including:

1. Permit for transport and disposal of debris.

2. Proposed method of demolition, proposed schedule, sequence of work, and proposed method and schedule for removing, maintaining, and re-establishing facilities and utilities prior to scheduling the preconstruction meeting.

1.3 SITE CONDITIONS

A. Protection

1. Erect barriers, fences, guardrails, enclosures, chutes, and shoring around all construction activities to protect personnel, structures, and utilities remaining intact.

2. Protect designated trees and plants from damage.

B. Maintaining Traffic

1. Assure minimum interference with roads, streets, driveways, sidewalks, and adjacent facilities.

C. Utility Lines and Services

1. Keep existing structures to remain and adjacent structures intact and in operation.

2. Obtain permission to disrupt any utilities or services temporarily or permanently.

3. Coordinate with utility company for disconnecting existing service on structures to be demolished.

4. Coordinate with Park for services to be disconnected and schedule with utility company.

Schedule and coordinate with Park and utility company far enough in advance to avoid delays in work.

CONG – 239480 02 41 00 - 2

D. Prior to demolishing a utility or facility, notify the Contracting Officer and Contracting Officer

Representative 3 days in advance, and plan the demolition such that the demolition will not create an unsafe condition or interfere with ongoing operations.

E. Where demolition must occur in such a sequence that a portion of this facility must remain operational, coordinate this aspect with the Contracting Officer and Contracting Officer

Representative.

F. Do not burn waste material. All organic material removed from the construction area must be properly chipped and recycled or removed from the Park and properly disposed.

G. Provide adequate fire protection. Keep area clear of hazardous substances and debris.

H. Maintain access to exits at all time.

I. Separate demolition area from building to remain with temporary dustproof partitions.

J. Provide temporary weather protection to prevent damage to structures and interior areas.

K. Explosives are not permitted.

PART 2 - PRODUCTS

2.1 BACKFILL MATERIALS

A. Native soils, stone, gravel, or sand, free from debris, frozen materials, and roots and other organic matter may be used for backfill of demolition areas that are not designated for new construction.

B. See Section 01 11 00 – Summary of Work; Subsection 1.3.C Preservation of Natural Features

Item 1. All backfill materials will need to be cleared with the Contracting Officer

Representative before entering the park.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Verify that areas to be demolished are unoccupied and discontinued in use.

B. Do not commence work until conditions are acceptable to Contracting Officer.

3.2 PREPARATION

A. Arrange for and verify termination of utility services to include capping lines.

B. Remove items scheduled to be salvaged and place in designated storage area.

CONG – 239480 02 41 00 - 3

3.3 DEMOLITION/ABANDONMENT

A. All debris from demolition and abandonment shall be removed off the Park and disposed of in a legal manner. Any material which the Contracting Officer may wish to save or reuse shall be stored per the Contracting Officer’s direction.

B. General

A. Dampen debris and use temporary enclosures as necessary to control dust.

B. Do not use water to the extent it causes flooding, contaminated runoff, or icing.

C. Break concrete and masonry into sections less than 3 feet in any dimension and dispose of off-site.

D. Repair damage to adjacent structures.

E. Make neat saw cuts around areas of concrete to be removed, where remaining concrete is to be incorporated into new work.

F. Remove existing exposed piping to the extent shown on the Drawings.

G. All equipment to be removed or replaced shall be done so in a safe manner and such that the equipment and any associated piping or wiring is not damaged.

H. All debris from demolition and abandonment shall be removed off the Park and disposed of in a legal manner. Any material which the Contracting Officer may wish to salvage shall be cleaned and stored per the Contracting Officer’s direction and requirements of this specification.

3.4 HAZARDOUS MATERIALS

A. If suspected hazardous materials are encountered during demolition of existing facilities, all work is to be stopped immediately and the Contracting Officer and Contracting Officer

Representative is to be immediately notified.

3.5 DISPOSAL

A. Place demolition debris in debris boxes onsite for removal as needed to ensure that debris is not overflowing or piled outside of the debris boxes.

B. Dispose of unsuitable and excess material off-site. Contractor shall recycle all recyclable demolished materials. Contractor shall submit names and contact information for proposed recyclers to the Contracting Officer and Contracting Officer Representative prior to beginning demolition.

C. Disposal of demolition material shall be in accordance with all EPA, OSHA, and South

Carolina requirements for materials disposal.

CONG – 239480 02 41 00 - 4

3.6 SALVAGE

A. Carefully remove items to be salvaged and delivered to Contracting Officer’s designated storage area.

1. Store and protect items indicated to be salvaged.

2. Replace any items damaged through carelessness in removal, storage, or handling with new items of same type.

3. Do not reuse materials or equipment not specifically indicated or specified to be reused.

B. Preparation of Equipment for Storage

1. Identify each component with markings or tags to show its position in the assembly and the assembly of which it belongs.

2. Place small parts in wooden boxes and clearly mark contents on the outside.

3. Thoroughly clean and dry equipment.

4. Coat unpainted surfaces with 2 coats of rust-preventive compound.

5. Attach unit to suitable crate bottom.

6. Enclose unit in polyethylene film and seal all seams and the film to the base of the unit with tape.

7. Construct crate of wooden slats around top and sides of unit.

8. Attach permanent instruction tag to outside of crate stating, “This unit has been prepared for storage.”

END OF SECTION

DIVISION 06

WOOD, PLASTICS, & COMPONENTS

CONG – 239480 06 10 00 - 1

ROUGH CARPENTRY

SECTION 06 10 00

PART 1 GENERAL

1.1 SECTION INCLUDES

A. This Section includes the following:

1. Wood furring, grounds, nailers, and blocking, as required.

2. Removal and replacement of damaged, deteriorated or non-compliant 5/8" fire rated plywood sheathing for roof substrate, as required.

1.2 DEFINITIONS

A. Rough Carpentry: Carpentry work not specified in other Sections and not exposed, unless otherwise specified.

1.3 SUBMITTALS

A. General: Submit each item in this Article according to the Conditions of the Contract and

Division 1 Specification Sections.

1.4 QUALITY ASSURANCE

A. Testing Agency Qualifications: To qualify for approval, an independent testing agency must demonstrate to the Government’s satisfaction, based on evaluation of agency-submitted criteria conforming to ASTM E 699, that it has the experience and capability to satisfactorily conduct the testing indicated without delaying the Work.

B. Single-Source Responsibility for Engineered Wood Products: Obtain each type of engineered wood product from one source and by a single manufacturer.

1.5 DELIVERY, STORAGE, AND HANDLING

A. Keep materials under cover and dry. Protect from weather and contact with damp or wet surfaces. Stack lumber, plywood, and other panels. Provide for air circulation within and around stacks and under temporary coverings.

1. For lumber and plywood pressure treated with waterborne chemicals, place spacers between each bundle to provide air circulation.

CONG – 239480 06 10 00 - 2

PART 2 – PRODUCTS

2.1 LUMBER, GENERAL

A. Lumber Standards: Comply with DOC PS 20, "American Softwood Lumber Standard," and with applicable grading rules of inspection agencies certified by ALSC's Board of Review.

B. Inspection Agencies: Inspection agencies, and the abbreviations used to reference them, include the following:

1. NELMA - Northeastern Lumber Manufacturers Association.

2. RIS - Redwood Inspection Service.

3. SPIB - Southern Pine Inspection Bureau.

4. WCLIB - West Coast Lumber Inspection Bureau.

5. WWPA - Western Wood Products Association.

C. Grade Stamps: Provide lumber with each piece factory marked with grade stamp of inspection agency evidencing compliance with grading rule requirements and identifying grading agency, grade, species, moisture content at time of surfacing, and mill.

1. For exposed lumber, furnish pieces with grade stamps applied to ends or back of each piece, or omit grade stamps and provide grade-compliance certificates issued by inspection agency.

D. Where nominal sizes are indicated, provide actual sizes required by DOC PS 20 for moisture content specified.

1. Provide dry lumber with 19% maximum moisture content at time of dressing for 2" nominal thickness or less, unless otherwise indicated.

2.2 WOOD-PRESERVATIVE-TREATED MATERIALS

A. General: Where lumber or plywood is indicated as preservative treated or is specified to be treated, comply with applicable requirements of AWPA C2 (lumber) and AWPA C9

(plywood). Mark each treated item with the Quality Mark Requirements of an inspection agency approved by ALSC's Board of Review.

1. Do not use chemicals containing chromium or arsenic.

2. For exposed items indicated to receive stained finish, use chemical formulations that do not bleed through, contain colorants, or otherwise adversely affect finishes.

B. Pressure treat above ground items with waterborne preservatives to a minimum retention of

0.25 lb/cu. ft. After treatment, kiln-dry lumber and plywood to a maximum moisture content of 19 and 15 percent, respectively. Treat indicated items and the following:

1. Wood cants, nailers, curbs, equipment support bases, blocking, stripping, and similar members in connection with roofing, flashing, vapor barriers, and waterproofing.

2. Wood sills, sleepers, blocking, furring, stripping, and similar concealed members in contact with masonry or concrete or exposed to weather.

CONG – 239480 06 10 00 - 3

C. Complete fabrication of treated items before treatment, where possible. If cut after treatment, apply field treatment complying with AWPA M4 to cut surfaces. Inspect each piece of lumber or plywood after drying and discard damaged or defective pieces.

2.3 DIMENSION LUMBER

A. General: Provide dimension lumber of grades indicated according to the ALSC National 43

Grading Rule (NGR) provisions of the inspection agency indicated.

B. Framing Other than Non-Load-Bearing Partitions: Provide framing of the following grade and species:

1. Grade: No. 2.

2. Species: Southern pine; SPIB.

C. Other Framing Not Listed Above: Provide the following grades and species:

1. Grade: No. 2.

2. Species: Southern pine; SPIB.

2.4 MISCELLANEOUS LUMBER

A. General: Provide lumber for support or attachment of other construction, including rooftop equipment curbs and support bases, cant strips, bucks, nailers, blocking, furring, grounds, stripping, and similar members.

B. Moisture Content: 19% maximum for lumber items not specified to receive wood preservative treatment.

C. Grade: No. 2 grade per SPIB.

2.5 CONCEALED, PERFORMANCE-RATED STRUCTURAL-USE PANELS

A. General: Where structural-use panels are indicated for the following concealed types of applications, provide APA-performance-rated panels complying with requirements designated under each application for grade, span rating, exposure durability classification, and edge detail

(where applicable).

1. Thickness: Provide panels meeting requirements specified but not less than thickness indicated.

2. Span Ratings: Provide panels with span ratings required to meet "Code Plus" provisions of APA Form No. E30, "APA Design/Construction Guide: Residential & Commercial."

B. Roof Sheathing: APA-rated plywood sheathing, minimum 5/8".

CONG – 239480 06 10 00 - 4

C. Roof Sheathing: APA-rated Structural I plywood sheathing.

1. Exposure Durability Classification: Exterior.

2. Span Rating: 40/20 or Roof - 40.

2.6 FASTENERS

A. General: Provide fasteners of size and type indicated that comply with requirements specified in this Article for material and manufacture.

1. Where rough carpentry is exposed to weather, in ground contact, or in area of high relative humidity, provide fasteners with a hot-dip zinc coating per ASTM A 153 or of

Type 304 stainless steel.

B. Nails, Wire, Brads, and Staples: FS FF-N-105.

C. Wood Screws: ASME B18.6.1.

PART 3 – EXECUTION

3.1 INSTALLATION, GENERAL

A. Discard units of material with defects that impair quality of rough carpentry and that are too small to use with minimum number of joints or optimum joint arrangement.

B. Set rough carpentry to required levels and lines, with members plumb, true to line, cut, and fitted.

C. Fit rough carpentry to other construction; scribe and cope as required for accurate fit. Correlate location of furring, nailers, blocking, grounds, and similar supports to allow attachment of other construction.

D. Apply field treatment complying with AWPA M4 to cut surfaces of preservative-treated lumber and plywood.

E. Securely attach rough carpentry work to substrate by anchoring and fastening as indicated, complying with the following:

1. "Table 2304.10.1-Fastening Schedule" of the 2018 International Building Code.

F. Use common wire nails, unless otherwise indicated. Use finishing nails for finish work. Select fasteners of size that will not fully penetrate members where opposite side will be exposed to view or will receive finish materials. Make tight connections between members. Install fasteners without splitting wood; predrill as required.

G. Use stainless-steel nails where rough carpentry is exposed to weather, in ground contact, or in area of high relative humidity.

H. Countersink nail heads on exposed carpentry work and fill holes with wood filler.

CONG – 239480 06 10 00 - 5

3.2 WOOD FRAMING, GENERAL

A. Framing Standard: Comply with AFPA's "Manual for Wood Frame Construction," unless otherwise indicated.

B. Install framing members of size and at spacing indicated.

C. Do not splice structural members between supports.

D. Firestop concealed spaces of wood-framed walls and partitions at each floor level and at ceiling line of top story. Where firestopping is not inherent in framing system used, provide closely fitted wood blocks of 2" nominal thickness lumber of same width as framing members.

3.3 INSTALLATION OF STRUCTURAL-USE PANELS

A. General: Comply with applicable recommendations contained in APA Form No. E30, "APA

Design/Construction Guide: Residential & Commercial," for types of structural-use panels and applications indicated.

1. Comply with "Code Plus" provisions of above-referenced guide.

B. Roof Deck: Shall consist of 5/8" thick fire rated plywood, conforming to APA psi rated sheathing 40/20, exterior. Face grain of plywood shall be perpendicular to supports with a staggered lay-up. Plywood shall span over at least two supports. Plywood shall be attached to supports at 12" on center maximum at intermediate supports and at 6" on center maximum at panel edges in the field of the roof, and at 6" on center along the panel perimeter, and 6" on center through the field of the panel along the building perimeter, or as currently attached to the building, whichever is more stringent. All attachment shall be in strict accordance with provisions of ASCE 7-16. Minimum modulus of elasticity shall be 180,000 psi.

CONG – 239480 06 17 50 - 1

PLATE CONNECTED WOOD TRUSSES

SECTION 06 17 50

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of contract, including General Conditions and Division 1

Specification Sections, apply to work of this Section.

1.2 SECTION INCLUDES

A. Plate Connected Wood Trusses

1.3 REFERENCES

A. All references shall be the latest adopted edition unless noted otherwise.

B. SPIB – Southern Pine Inspection Bureau Standard Grading Rules for Southern Pine Lumber

D. IBC – International Building Code, 2018 Edition.

1.4 SUBMITTALS

A. Refer to Division 1 of the specifications for submittal procedures.

B. Shop Drawings: Provide plan view layout of all trusses; indicate sizes and spacing of trusses, loads and truss cambers, framed openings.

1. Shop Drawings shall be stamped by Professional Engineer licensed as such in the State of South Carolina.

C. Deferred Submittal to Building Official: Submit shop drawings and structural calculations to the Building Official for review and approval as a deferred submittal; make any corrections and provide any additional information required to obtain approval by Building Official.

1. Approved Fabricator: Provide documentation of manufacturer’s approved fabricator status conforming to Chapter 17 of the International Building Code as required by

Building Official for approval.

CONG – 239480 06 17 50 - 2

2. Certificate of Compliance: At completion of fabrication, submit a certificate of compliance to the Contracting Officer stating that the work was performed in accordance with the approved construction documents (per Section 1704 of the International

Building Code.

D. Certification: After fabrication of trusses, provide Certificate of Conformance acceptable

Building Official and Contracting Officer indicating conformance to stamped structural design and code standards.

1.5 QUALITY ASSURANCE

A. Manufacturer: Company specializing in manufacturing the products specified in this section with minimum three years of documented experience.

B. Design under direct supervision of a Professional Engineer experienced in design of this Work and licensed in the State of South Carolina.

1.6 REGULATORY REQUIREMENTS

A. Conform to applicable code for loads, seismic zoning, and other governing load criteria.

1.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver, store and handle trusses in conformance with manufacturer’s instructions.

B. Handle and erect trusses in accordance with manufacturer's recommendations.

C. Store trusses in vertical position resting on bearing ends.

D. Cover trusses to protect from weather; keep up off the ground.

2.1 PLATE CONNECTED WOOD TRUSSES

A. Truss Design: Fabricator is responsible for the structural engineering design for trusses and any connections not shown on the Drawings.

1. Engage the services of a qualified Professional Engineer, experienced in design of plate connected wood trusses and currently registered in the State of South Carolina, to provide the structural engineering design.

2. Design trusses in conformance the following:

a. Design plate connected wood trusses to withstand design loads and with deflection factor(s) in conformance with the requirements shown on the Structural Drawings.

CONG – 239480 06 17 50 - 3

b. Design Criteria listed in the General Notes on the Structural Drawings.

c. 2018 International Building Code and State of South Carolina Building Code.

3. Work of Other Trades: Review and coordinate work of other trades that interface with, connect to, pass through or are supported by the plate connected wood trusses.

a. Make whatever provisions are necessary to the design, layout and fabrication of the plate connected wood trusses to accommodate work by others while maintaining their specified structural capacity.

b. Design plate connected wood trusses to allow for support, connection and installation of mechanical ducts, pipes or other large items supported by trusses.

B. Wood Members: Size, grade and species required by truss manufacturer to conform to structural design requirements for truss.

C. Steel Connectors: Type and size required by truss manufacturer to conform to structural design requirements for truss (Minimum requirement: ASTM A 653/A 653M Structural Steel (SS)

Grade 33 (230), G90/Z275 galvanized.

D. Truss Bridging and Bracing: Type, size and spacing recommended by truss manufacturer.

2.2 ACCESSORIES

A. Wood Blocking and Framing for Openings: Wood as noted on the Structural Drawings.

B. Vent Blocking: 2x lumber cut from No. 2 Southern Pine that is free of large knots, splits or other defects that would reduce the strength of the blocking piece. Drill vent holes and attach galvanized wire screen securely over vent openings to prevent entrance of insects and animals

C. Fasteners: As specified in General Notes on the Structural Drawings and as recommended by truss manufacturer whichever is more conservative.

D. Fall Protection Devices: As noted on the plans.

2.3 FABRICATION

A. Verify dimensions and site conditions prior to fabrication.

B. Fabricate trusses to achieve layout/configuration shown on the Drawings and structural requirements specified on Structural Drawings.

C. Provide additional web members or special web member layout to accommodate field conditions and /or building design and work of other trades.

CONG – 239480 06 17 50 - 4

3.1 COORDINATION

A. Review, coordinate and accommodate work of other trades that interface with, affect or are affected by the work of this Section so as to facilitate the execution of the overall Work of this project in a coordinated and efficient manner.

B. Coordinate installation with carpentry work and glue-laminated beam installation specified in

Section 06 10 00.

3.2 EXAMINATION

A. Verify bearing conditions installed by other Sections are acceptable for truss installation in accordance with manufacturer’s instructions.

B. Do not proceed with installation until unacceptable conditions are corrected.

C. Start of installation indicates acceptance of bearing and site conditions.

3.3 PREPARATION

A. Coordinate placement of support items.

3.4 ERECTION

A. Install trusses, braces and bridging in strict accordance with approved shop drawings and manufacturer's installation instructions.

B. Set members level and plumb, in correct position.

C. Make provisions for erection loads, and for sufficient temporary bracing to maintain structure plumb, and in true alignment until completion of erection and installation of permanent bracing.

D. Place permanent bridging and bracing.

E. Vent Blocking: Install vent blocking in roof framing with batt insulation under the roof deck to allow code required ventilation above the insulation. Coordinate placement and layout of vent holes to permit unrestricted flow of ventilation air from roof eave to roof peak in each roof truss bay.

CONG – 239480 06 17 50 - 5

F. Frame openings and install chord stiffeners, headers, blocking, hangars, supports and other items recommended by manufacturer as required to accommodate the work of other trades.

G. Frame openings between trusses with lumber in accordance with Section 06 10 00 and as shown on the Drawings.

H. Coordinate placement of sheathing with work of this section.

3.5 DRILLING, CUTTING AND NOTCHING

A. Do not drill, cut, notch or alter trusses without the written approval of the truss manufacturer and stamped by their Structural Engineer.

DIVISION 07

THERMAL & MOISTURE PROTECTION

CONG – 239480 07 01 50.19 - 1

PREPARATION FOR RE-ROOFING

SECTION 07 01 50.19

PART 1 – GENERAL

1.1 SUMMARY

A. Section Includes:

1. Complete roof removal for new roof system installation.

2. Partial roof removal for new roof system installation.

3. Roofing membrane and selective roofing system component removal for new roof membrane installation.

4. Existing roofing membrane preparation for new roofing // membrane // system // installation.

B. Existing Roofing System: System components include:

1. Roofing membrane.

2. Cover board.

3. Roof insulation.

4. Vapor retarder.

5. Substrate board.

1.2 RELATED WORK

A. Section 06 10 00 – Rough Carpentry

B. Section 07 22 00 – Ventilated Nailbase Insulation Panel

C. Section 07 61 13 – Standing Seam Sheet Metal Roofing

D. Section 07 62 00 – Sheet Metal Flashing & Trim

E. Section 07 90 00 – Joint Sealers

1.3 APPLICABLE PUBLICATIONS

A. Comply with references to extent specified in this section.

B. American National Standards Institute/Single-Ply Roofing Institute (ANSI/SPRI):

FX-1 (R2016) ...................... Standard Field Test Procedure for Determining the Withdrawal

Resistance of Roofing Fasteners.

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C. American Society for Nondestructive Testing (ASNT):

SNT-TC-1A (2019) ............. Personnel Qualification and Certification for Nondestructive

Testing.

D. ASTM International (ASTM):

C208-12(2017)e2................. Cellulosic Fiber Insulating Board.

C578-19 ............................... Rigid, Cellular Polystyrene Thermal Insulation.

C728-17a ............................. Perlite Thermal Insulation Board.

C1177/C1177M-17 .............. Glass Mat Gypsum Substrate for Use as Sheathing.

C1153-10(2015) .................. Location of Wet Insulation in Roofing Systems Using Infrared

Imaging.

C1278/C1278M-17 .............. Standard Specification Fiber-Reinforced Gypsum Panel.

D4263-83(2018) .................. Indicating Moisture in Concrete by the Plastic Sheet Method.

E. U.S. Department of Commerce National Institute of Standards and Technology (NIST):

DOC PS 1-19 ....................... Structural Plywood.

DOC PS 2-18 ....................... Performance Standard for Wood-Based Structural-Use Panels.

1.4 PREINSTALLATION MEETINGS

A. Conduct preinstallation meeting minimum 2 weeks before beginning Work of this section.

1. Required Participants:

a. Contracting Officer's Representative.

b. Contractor.

c. Installer.

d. Manufacturer's field representative.

e. Other installers responsible for adjacent and intersecting work, including mechanical and electrical equipment installers.

2. Meeting Agenda: Distribute agenda to participants minimum 3 days before meeting.

a. Removal and installation schedule.

b. Removal and installation sequence.

c. Preparatory work.

d. Protection before, during, and after installation.

e. Removal and installation.

f. Temporary roofing including daily terminations.

g. Transitions and connections to other work.

h. Inspecting and testing.

i. Other items affecting successful completion.

3. Document and distribute meeting minutes to participants to record decisions affecting

1.5 SUBMITTALS

A. Refer to Section 01 33 23 – Submittal Procedures

CONG – 239480 07 01 50.19 - 3

B. Submittal Drawings:

1. Show size, configuration, and installation details.

C. Manufacturer's Literature and Data:

1. Description of each product.

2. Description of temporary roof system and components.

3. List of patching materials.

4. Recover board fastening requirements.

5. Temporary roofing installation instructions, removal instructions and preparation instructions to receive new roofing.

D. Photographs: Document existing conditions potentially affected by roofing operations before work begins.

E. Field Inspection Reports:

1. Certify roof was inspected for the completed roofing system.

1.6 QUALITY ASSURANCE

A. Installer Qualifications:

1. Codes and Regulations: Comply with governing codes and regulations. Use experienced workers.

1.7 FIELD CONDITIONS

A. Building Occupancy: Perform work to minimize disruption to normal building operations.

1. Verify occupants are evacuated from affected building areas when working on structurally impaired roof decking above occupied areas.

2. Provide notice minimum 72 hours before beginning activities affecting normal building operations.

B. Limitations:

1. Remove only as much roofing in one day as can be made watertight in same day.

2. Hazardous materials are not expected in existing roofing system.

3. There are no known hazardous materials.

4. Do not disturb suspected hazardous materials. When discovered, notify Contracting

Officer and Contracting Officer Representative.

5. Hazardous materials discovered during execution of the work will be removed by

Government as work of a separate contract.

CONG – 239480 07 01 50.19 - 4

1.8 WARRANTY

A. Construction Warranty: FAR clause 52.246-21, “Warranty of Construction.”

2.1 MATERIALS

A. Plywood Sheathing: See Section 06 10 00 – Rough Carpentry.

B. Metal Flashing: See Section 07 62 00 – Sheet Metal Flashing & Trim.

C. Temporary Protection Materials:

1. Plywood: NIST DOC PS 1-19, Grade CD Exposure 1-18.

2. Oriented Strand Board (OSB): NIST DOC PS 2-18, Exposure 1.

D. Temporary Roofing System Materials: Contractor's option.

E. Fasteners: Type and size required by roof membrane manufacturer to resist wind uplift.

3.1 SELECTIVE DEMOLITION

A. Examine and verify substrate suitability for product installation.

B. Protect existing roofing system indicated to remain. Do not damage building elements and improvements indicated to remain. Items of salvage value, not included on schedule of salvage items to be returned to Owner, shall be removed from structure.

1. Cover roof membrane with temporary protection materials without impeding drainage.

2. Limit traffic and material storage to protected areas.

3. Maintain temporary protection until replacement roofing is completed.

C. The contractor shall recycle as much of the removed existing roofing material as possible during the demolition process. Document quantities of all materials that are recyclable from demolition and provide quantity of recycled quantity data to Contracting Officer

D. Protect existing construction and completed work from damage.

E. Occupied Spaces: Do not close or obstruct streets, walks, drives or other occupied or used spaces or facilities without the written permission of the Contracting Officer Representative and the authorities having jurisdiction. Do not interrupt utilities serving occupied or used facilities without the written permission of the Contracting Officer Representative and authorities having jurisdiction. If necessary, provide temporary utilities.

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F. Utilities: Locate and identify utilities in buildings to remain and protected.

G. Protect landscaping from damage.

H. Coordinate use of rooftop fresh air intakes with Contracting Officer Representative to minimize effect on indoor air quality.

I. Ensure temporary protection materials are available for immediate use in case of unexpected rain.

J. Ensure roof drainage remains functional.

1. Keep drainage systems clear of debris.

2. Prevent water from entering building and existing roofing system.

K. Coordinate rooftop utilities remaining active during roofing work with Contacting Officer's

L. Security: Provide adequate protection against accidental trespassing. Secure project after work hours

M. Restoration: Restore finishes of patched areas.

3.2 RE-ROOFING PREPARATION – GENERAL

A. Notify Contacting Officer Representative of planned operations, daily.

1. Identify location and extent of roofing removal.

2. Request authorization to proceed.

3.3 COMPLETE ROOFING SYSTEM REMOVAL

A. Remove existing roofing system completely, including trusses, rafters, and ceiling joists.

1. Remove sheathing, roof insulation as required, vapor retarder, trusses or rafters, ceiling joists and flashing as required.

2. Remove or cut-off roofing system fasteners.

3.4 PARTIAL ROOFING SYSTEM REMOVAL

A. Remove existing roofing system, exposing trusses or rafters.

1. Remove sheathing, roof insulation as required, vapor retarder, and flashing as required.

2. Remove or cut-off roofing system fasteners.

3.5 INSTALLATION OF PRE-MANUFACTURED TRUSSES

A. Install the wood trusses in accordance with Section 06 17 50 Plate Connected Wood Trusses.

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3.6 DECK PREPARATION

A. Roof Decks:

1. Visually inspect insulation.

a. Notify Contracting Officer's Representative of unsuitable conditions such as wet or damaged insulation that requires replacement and inadequate conditions potentially affecting roof system performance.

2. Replace roof deck as indicated on drawings.

a. Replacement Roof Deck: See Section 06 10 00 – Rough Carpentry.

3.7 TEMPORARY ROOFING

A. Install temporary roofing to maintain building watertight as needed.

B. Remove temporary roofing before installing new roofing.

3.8 FIELD QUALITY CONTROL

A. Field Tests: Performed by testing laboratory specified in Section 01 40 29 – Quality

Requirements.

1. Fastener Pull Out Tests: ANSI/SPRI FX-1(2016).

B. Roofing System Warranty:

1. Inspect reroofing preparation and roofing installation to verify compliance with warranty requirements.

2. Submit reports of field inspections, and supplemental instructions issued during inspections.

3.9 DISPOSAL

A. Collect waste materials in containers.

B. Remove waste materials from project site, regularly, to prevent accumulation.

C. Legally dispose of waste materials.

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BLANKET INSULATION

SECTION 07 21 16

A. Drawings and general provisions of Contract, including Division 1 Specification Sections, apply to work of this Section.

A. Thermal Batt Insulation

A. All references shall be the latest adopted edition.

B. ASTM C665 - Standard Specification for Mineral-Fiber Blanket Thermal Insulation for Light

Frame Construction and Manufactured Housing.

C. ASTM E84 - Standard Test Method for Surface Burning Characteristics of Building Materials.

D. ASTM E96 - Standard Test Methods for Water Vapor Transmission of Materials.

E. NFPA 255 - Standard Method of Test of Surface Burning Characteristics of Building Materials;

National Fire Protection Association.

A. Product Data: Submit manufacturer’s data sheet for each product specified.

1.5 ENVIRONMENTAL REQUIREMENTS

A. Do not install insulation adhesives when temperature or weather conditions are detrimental to successful installation.

2.1 BATT & BLANKET INSULATION MATERIALS

A. Thermal Batt Insulation (Attic space): ASTM C665 Type I; preformed glass fiber batt; unfaced, friction fit, widths required for snug friction fit between framing members free of gaps or voids.

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A. Adhesive: Type recommended by insulation manufacturer for application.

1. Low Emitting Materials Credit EQc4.1: VOC levels of adhesives used during construction inside the building envelope shall not exceed 50 grams per liter of VOC per

LEEDTM Requirements.

B. Insulation Stops: Cardboard insulation stops to prevent batt insulation from blocking ventilation above insulation.

A. Verify that substrate, adjacent materials, and insulation materials are dry and that substrates are ready to receive insulation.

B. Verify substrate surfaces are flat, free of honeycomb, fins, irregularities, or materials or substances that may impede adhesive bond.

C. Start of insulation installation indicates approval of substrate and site conditions.

3.3 INSTALLATION - THERMAL BATT INSULATION

A. Install insulation in accordance with manufacturer's instructions. Friction fit in cavities and spaces to prevent displacement or sagging.

B. Install insulation stops above batt insulation in roofs, and other areas where the height of the insulated cavity is reduced, to allow unrestricted ventilation air flow above the insulation.

D. Trim insulation neatly to fit spaces. Insulate miscellaneous cavities, gaps and voids.

3.4 PROTECTION OF FINISHED WORK

A. Do not permit installed insulation to be damaged or removed prior to its concealment.

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FALL PROTECTION DEVICES

SECTION 07 22 07

1.1 SUMMARY

A. Section Includes: Roof tie-down system of fall restraint and fall arrest for worker safety.

B. Related Sections:

1. Section 06 10 00 – Rough Carpentry

2. Section 07 31 13 – Asphalt Shingles

3. Section 07 61 13 – Standing Seam Sheet Metal Roofing

1.2 REFERENCES

A. American Society for Testing and Materials (ASTM)

B. American National Standard Institute (ANSI)

1. ANSI Z359.1-2007 – Safety Requirements for Personal Fall Arrest Systems, Subsystems and Components

2. ANSI Z359.6-2009 – Specifications and Design Requirements for Active Fall Protection

Systems

C. Occupational Health And Safety Administration (OSHA)

1. OSHA 1926.502 – Fall Prevention Systems Criteria and Practices

1.3 SYSTEM DESCRIPTION

A. General: Provide structural fall restraint and fall arrest system capable of withstanding loads and stresses within limits and under conditions specified in OSHA, other applicable safety codes, and as specified in the Construction Drawings. Provide fall protection anchors permanently attached to roof structure.

B. Design Requirements: Anchors and accessories comprising system of following types and as indicated on Construction Drawings:

1. D-Ring Anchor

a. D-ring anchor complies with all OSHA and ANSI standards and certified for over

5,000 pounds (super anchor safety or equivalent)

b. Fastener per the D-ring per manufacturer

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c. 3/8 inch heavy duty wire rope lanyards. Fabricated with high strength 7/19 galvanized wire rope. Double swaged on each end. Steel snap-hooks each side.

Complies with all OSHA and ANSI standards and certified for over 5,000 pounds

(1334 rope with 5005-z snaphook - super anchor safety or equivalent)

d. Connector slider O-ring that is zinc plated and have a minimum breaking strength of

5,000 lbs. Complies with all OSHA and ANSI standards and certified for over 5,000 pounds (5010-sm - super anchor safety or equivalent)

2. I-Beam Wrap Anchor

a. Anchor post for i-beam, complies with all OSHA and ANSI standards and certified for over 5,000 pounds. (Safewaze, I-beam wrap anchor or equivalent)

C. Performance Requirements: System and components tested for the resistance of the following loads:

1. D-Ring Anchor

a. Fall Arrest: 1 User in the directions permitted by the system.

b. Fall Restraint: 1 User in the directions permitted by the system.

c. Working load 340lb (154kg) designed for single person use.

d. Free Fall: Max length 6ft (1.8m).

e. Max. Arrest force: 1,800lb (8kN).

f. Energy Absorber required specified for the user’s weight.

2. I-Beam Wrap Anchor

a. Fall Arrest: 1 User in any directions.

b. Fall Restraint: 1 User in any directions.

c. Working Load of 400 lbs (181.44 kg) - Designed for single person use

d. Minimum Tensile Strength 5,000 lbs (2267.96 kg)

e. Ultimate load of 5,400 lbs

f. Energy Absorber required specified for the user’s weight.

A. Product Data: For each type of device specified, including manufacturer’s standard fabrication details and installation instructions.

B. Shop Drawings: Show layout, profiles, and anchorage details. Submit engineering calculations demonstrating compliance with the references of Section 1.02.

C. Maintenance Data: Written instructions for maintenance of fall prevention safety devices to be included in the operation and maintenance manual.

D. In-house Test Reports: Indicate anchor fabrication compliance with performance requirements.

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A. Manufacturer Qualifications: Firm having at least 10 years continuous experience in manufacturing fall safety equipment similar to systems specified and exhibiting records of successful in-service acceptability and performance. Firm must employ personnel dedicated to provide regularly scheduled Authorized and Competent Person Training courses as mandated by OSHA 1926 and 1910 for owner’s authorized safety personnel.

B. OSHA Standards: Comply with Occupational Safety and Health Administration Standards for the Construction Industry 29 CFR § 1926.500 Subpart M (Fall Protection), and with applicable

State Administrative Code safety standards for Fall Restraint and Fall Arrest.

C. Source Limitations: Obtain all roof anchors through one source from a single manufacturer.

1.6 COORDINATION

A. Contractor to coordinate installation of structural deck to meet requirements of roof anchor manufacturer.

1. Metal Deck: Minimum 24 gauge thickness, or provided with additional deck reinforcing per manufacturer's instructions.

2. Wood Deck: Minimum 5/8" CDX plywood, or provided with additional deck reinforcing per manufacturer's instructions.

3. Other structural decks not listed above shall be approved by the Contracting Officer.

B. Contractor to coordinate installation of structural deck reinforcements and anchorages to receive fall protection anchors.

C. Contractor to coordinate placement of fall protection system, insulation and flashing to ensure water-tight integrity to roof.

1.7 WARRANTY

A. Provide manufacturer’s standard warranty to guarantee products will be free from defects for a period of 12 months. Warranty period shall become effective on date of substantial completion.

2.1 MANUFACTURER

A. Provide fall protection system (D-Ring Anchor) manufactured by Super Anchor Safety | 17731

- 147th St. SE, Monroe, WA 98272 USA | (425) 488-8868 | www.superanchor.com , or equal.

B. Provide fall protection system (I-Beam Wrap Anchor) manufactured by SafeWaze | (P) 704-

262-7893 | (F) 704-262-9051| 322 Industrial Court, Concord, NC 28025| safewaze.com http://www.superanchor.com/

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A. D-Ring Anchor

1. At the time of first installation, check the underside of the sheathing at anchor location and inspect for blow outs. Before using the anchor, always confirm it has been correctly installed. Remove from service if any of the following conditions are present:

a. Deformation of D-Ring or Shackle.

b. Missing fasteners.

c. Fastener Blow-outs.

d. Subjected to a free fall.

2. Proceed with installation of roof anchors only after verifying conditions are satisfactory.

B. I-Beam Wrap Anchor

1. Examine framing and substrate and verify conditions comply with structural requirements for proper system performance.

2. Proceed with installation of roof anchors only after verifying conditions are satisfactory.

3.2 INSTALLATION

A. General: Installation of anchors to be performed by contractor according to manufacturer’s instructions and recommendations.

B. D-Ring Anchor

1. Install over min. 2x4 top chord with 7/16” or thicker Plywood sheathing that is structurally sound and free of defects or damage. Position leg over top chord center and install leg fasteners. Install leg off-center fasteners at a slight angle toward the rafter center. Defective anchor installations must be removed and installed at a different location using new fasteners. Do not install over open framing without sheathing.

2. Anchor Location/Spacing:

a. The maximum spacing between anchors for a non-engineered system is 8ft(2.4m).

Install anchors at the ridge or in the field at a minimum of 6ft from gable edges or openings in the roof or work surface

3. Direction of Load:

a. Fall Arrest: When exposed to fall hazards or static loading the D-ring must remain in the service load position at all times. Do not exceed a 30° angle from the anchors parallel to slope position. See anchor spacing section.

C. Fall Restraint/Work Positioning:

1. I-Beam Wrap Anchor

a. Anchor Location/Spacing: As per construction drawings

b. Direction of Load: Any direction

CONG – 239480 07 31 13 - 1

ASPHALT SHINGLES

SECTION 07 31 13

A. Drawings and general provisions of Contract, including Division 1 Specification Sections

A. Asphalt Shingle Roofing

A. All reference shall be the latest adopted edition.

B. ASTM D3018 –Standard Specification for Class A Asphalt Shingles Surfaced with Mineral

Granules.

C. ASTM D3161 - Standard Test Method for Wind-Resistance of Asphalt Shingles.

D. ASTM D3909 - Standard Specification for Asphalt Roll Roofing (Glass Felt) Surfaced With

Mineral Granules.

E. ASTM D4586 - Standard Specification for Asphalt Roof Cement, Asbestos-Free.

F. ASTM D 4601 - Standard Specification for Asphalt-Coated Glass Fiber Base Sheet Used in

Roofing

G. ASTM E108 - Standard Test Methods for Fire Tests of Roof Coverings

H. NRCA - The NRCA Steep Roofing Manual; National Roofing Contractors Association.

I. SMACNA (ASMM) - Architectural Sheet Metal Manual; Sheet Metal and Air Conditioning

Contractors' National Association, Inc.

A. Refer to Division 1 of the specifications for submittal procedures.

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B. Product Data: Provide manufacturer’s product data indicating material characteristics for the following:

1. Asphalt shingles

2. Underlayment

3. Ice & Water Membrane

4. Roofing nails

5. Hand-sealing mastic

C. Samples: Submit 2 samples of each shingle color indicating color range and finish texture/pattern; for color selection.

D. Manufacturer’s Warranty authorization indicating project’s eligibility for completed warranty.

E. Authorized Installer certification from Manufacturer indicating that installer is certified by the

Manufacturer to install product.

A. Perform Work in accordance with the recommendations of shingle manufacturer's instructions.

B. Installer Qualifications: Approved by the manufacturer to install the specified products and provide the specified warranties.

C. Source Limitations: Obtain ridge shingles and ice & water membrane underlayment from single

1.6 ENVIRONMENTAL REQUIREMENTS

A. Do not install shingles when surface, or ambient air temperatures are below 45 degrees F.

1.7 EXTRA MATERIALS

A. Provide 4 bundles of extra shingles of each color selected.

1.8 GUARANTEE / WARRANTY

A. Contractor Guarantee: Asphalt shingle work is subject to a 2 year guarantee by the Contractor

(separate from any product warranty by shingle manufacturer). Upon notification by the

Government, the Contractor agrees to return to the site to investigate and correct any leaks, defects or failures connected with the work of this Section at no cost to the Owner within a 2 year period.

B. Manufacturer’s Warranty: Asphalt shingle manufacturer’s standard 20 year warranty, including 20 year algae block warranty and 70 miles per hour wind warranty.

CONG – 239480 07 31 13 - 3

2.1 ASPHALT COMPOSITION SHINGLES

A. Asphalt Composition Shingles: Laminated shingles, asphalt coating on a fiberglass fiber mat, mineral surfaced, self-sealing, conform to the following:

1. Approximate Weight: 242 lbs. per square

2. Dimensions: 13 ¼" x 40"

3. Exposure: 5 5/8"

4. Granule Adhesion: 1.0 gram loss

5. Fire Rating: Class A

6. Manufacturer’s Warranty: 20 year shingle warranty including:

a. 20 year algae block warranty

b. 70 mph wind (basic wind speed) warranty minimum

7. Standards: Meet/exceed the following:

a. ASTM D7158, Class H

b. ASTM D3462

c. ASTM D3018 Type I

d. ASTM D3161 Class F

e. ASTM E108 Class A

8. Color: To be selected

9. Acceptable Manufacturers:

a. Malarky Northwest XL fiberglass laminated shingles

b. GAF Timberline® Cool Series

c. or approved

B. Ridge Shingles: Provide ridge shingles matching composition and color of asphalt composition shingle.

2.2 SHEET MATERIALS

A. Underlayment (Water Resistive Barrier): Waterproof shingle underlayment, SBS modified asphalt saturated fiberglass mat, Type I, similar to GAF Roof ProTM Underlayment.

1. Nails: Use only plastic cap roofing nails to attach underlayment, staples shall not be used.

B. Ice & Water Shield: Fiberglass mat impregnated and heavily coated with an SBS modified asphalt, 60 mils thick, self-adhering back with release paper.

2.3 ACCESSORIES

A. Roofing Nails: Hot-dipped galvanized, 3/8" diameter head, 11 to 12 gauge, length as required to fully penetrate roof sheathing, barbed shank roofing nail manufactured in America, approved by shingle manufacturer.

B. Hand-Sealing Mastic: Similar to Henry #209 Elastomastic in 11 ounce cartridges.

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C. Ridge Vent: Refer to section 07 72 26 or manufacture’s approved.

D. Butyl Sealant: Single component, TT-S-001657, Type I, similar to Tremco Butyl Sealant or approved.

E. Sheathing, blocking specified in Section 06 10 00 – Rough…