Attachment 2 SOW Chaoctafaula Ranger Residence Metal Roofing Final.pdf

STATEMENT OF WORK

FOR

CHOCTAFAULA RANGER RESIDENCE

METAL ROOF INSTALLATION

TUSKEGEE NATIONAL FOREST

NATIONAL FORESTS IN ALABAMA

TABLE OF CONTENTS

Section Page Number

Scope of Work ………………………………………………………….. 3

Background ……………………………………………………………... 3

Schedule of Work ………………………………………………………. 3

Work Requirements ……………………………………………………... 3

Specifications

02411 Demolition ……………………………….. 4

06160 Plywood Sheathing ……………………… 7

07421 Roofing Panels ……………….….………. 9

Vicinity Map …………………………………………………………… 13

Project Location Map ………………………..…………………………. 14

Schedule of Items ………………………………………………………. 15

STATEMENT OF WORK

FOR THE

CHOCTAFAULA RANGER RESIDENCE

METAL ROOF INSTALLATION

SCOPE OF WORK:

Choctafaula Ranger Residence Roof Installation: This project consists of the removal and disposal of the existing asphalt composition roof, the inspection, removal, and replacement of damaged or deteriorated plywood sheathing and fascia boards, and installation of a synthetic underlayment and standing seam metal roof system.

BACKGROUND:

The Choctafaula Ranger Residence is located on the Tuskegee National Forest located near the district office at 125 National Forest Road 949, Tuskegee AL 36083. Directions to the Tuskegee Ranger District from Montgomery, AL: Follow I-85 North, take exit 42, turn right and travel 2 miles to National Forest Service Road 949.

SCHEDULE OF WORK:

The duration of the project shall be 60 calendar days from the Notice to Proceed.

WORK REQUIREMENTS:

The intent of these specification in not to provide all technical requirements, but instead to provide general job requirements such that all prospective bidders will be able to make proposals to the Government. This will also enable the Government to readily evaluate and compare proposals. It is expected the successful vender shall perform the job in accordance will all specification and applicable State and county laws and ordinances.

SECTION 02411

DEMOLITION

PART 1 GENERAL

1. SUMMARY

a. Section Includes: Selective demolition as follows:

1) Remove existing asphalt composition roofing and underlayment.

2) Inspect, repair, and replace damaged or deteriorated plywood sheathing and fascia.

3) Remove materials from site and dispose of legally off national forest lands.

b. Related Sections:

1) 06160 Sheathing

2) 07421 Roofing Panels

2. QUALITY ASSURANCE

a. Regulatory Requirements:

1) Comply with requirements of applicable codes, rules, and regulations.

2) Obtain required permits.

3) Do not close or obstruct roadways without permission from the COR.

4) Maintain egress and access around the residence at all times.

5) Minimize interference with roadways and public thoroughfares.

6) Comply with applicable procedures if hazardous or contaminated materials are discovered or suspected.

b. Hazardous Materials Remediation Work:

1) Perform lead and asbestos testing in accordance with requirements of local, state, and Federal regulations for lead and asbestos in construction, including but not limited to 29 CFR 1926.1101 and 29 CFR 1926.62.

3. PROJECT CONDITIONS

a. Protect adjacent utilities, structures, and vegetation near residence from damage.

b. Existing Conditions:

1) If lead, asbestos or other hazardous materials are found or suspected, immediately stop work in the suspected area and advise the COR. Do not recommence work in the area until advised by the COR that the area has been cleared for work.

PART 2 PRODUCTS NOT USED

PART 3 EXECUTION

1. EXAMINATION

a. Inspect and verify the existing conditions and become familiar with the extent of the Work.

b. Examine the site to determine proper access. Conduct operations so as not to interfere with adjacent roads, driveways, walks, means of general access and egress, and compound areas.

2. PREPARATION

a. Protection:

1) Protect existing utilities, structures, and vegetation not to be demolished. Existing utilities, structures, and landscaping altered or damaged during demolition work shall be repaired or replaced by the contractor to match existing undisturbed conditions at no additional cost to government.

2) Prevent movement of structure; provide bracing and shoring as required.

3) Provide and maintain temporary weather protection during interval between demolition and removal of existing roof to ensure that no water leakage or damage, or wind damage occurs to structure.

4) Provide and maintain temporary warning signs and barriers around residence.

5) Maintain parking areas, driveways, walkways, exit paths, and landscaping in a clean, undisturbed condition. Any debris caused by demolition work shall be removed each day or stockpiled in a trash bin approved by the COR.

3. EXECUTION

a. Minimize interference with adjacent administrative site activities.

b. Remove debris in an orderly and careful manner.

c. Stop work and notify COR immediately if structure or other items to remain appear to be damaged.

d. Remove and promptly dispose of vermin infested materials.

4. DISPOSAL AND CLEANUP

a. Material removed shall become the property of the contractor and shall be promptly removed or disposed of off national forests lands. Do not store or permit debris to accumulate at the site, unless stockpiled in a trash bin approved by the COR.

b. Unless with prior approval from the COR, immediately remove demolished material from site. Dispose of materials legally off national forest lands. Do not burn or bury materials on site.

c. Upon completion, clean the entire area of demolition residue satisfactory for the continuation of residential use.

END OF SECTION 02411

SECTION 06160

PLYWOOD SHEATHING

PART 4 GENERAL

1. SUMMARY

a. Section Includes:

1) Plywood (roof) sheathing.

2) Synthetic underlayment.

2. DELIVERY, STORAGE, AND HANDLING

a. Outdoor Storage: Comply with manufacturer’s recommendations:

1) Set panel bundles on supports to keep off ground.

2) Cover panels loosely with waterproof protective material (tarp).

3) Anchor covers on top of stack but keep away from sides and bottom to assure adequate air circulation.

4) When high moisture conditions exist, cut banding or strapping on panel stack to prevent edge damage.

PART 5 PRODUCTS

1. ROOF SHEATHING

a. Plywood Roof Sheathing: Remove and replace damaged plywood sheathing. Match existing thickness. Notify COR prior to removing damaged or deteriorated sheathing.

1) Plywood product: Match existing thickness or minimum 1/2-inch CDX plywood.

2) Synthetic Underlayment: DuPont Tyvek Protec 200, 48’ wide x 250’ long rolls or 10 squares per role, or approved equal product.

2. FASTENERS

a. General: Provide fasteners of size and type indicated that comply with requirements specified in this article by the authority having jurisdiction, International Building Code, International Residential Code, Wood Frame Construction manual, and National Design Specification.

PART 6 EXECUTION

1. INSTALLATION, GENERAL

a. Inspect existing roof sheathing. Remove and replace damaged or dry rotted plywood sheets. Plywood shall match thickness of existing plywood. Use minimum 1/2-inch CDX plywood. Install synthetic underlayment before installing metal roofing system.

b. Do not use materials with defects that impair quality of sheathing or pieces that are too small to use with minimum number of joints or optimum joint arrangement.

c. Cut panels at penetrations, edges, and other obstructions of work; fit tightly against abutting construction unless otherwise indicated.

d. Securely attach to substrate by fastening, complying with the following:

1) Chapter 23 in the ICC's International Building Code.

e. Use common nails unless otherwise indicated. 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. Install fasteners without splitting wood.

f. Coordinate roof sheathing installation with flashing and joint-sealant installation so these materials are installed in sequence and manner that prevent exterior moisture from passing through completed assembly.

2. PLYWOOD SHEATHING INSTALLATION

a. General: APA rated plywood sheathing for use on roofs. Exposure 1 plywood, minimum 1/2-inch CDX plywood.

b. Fastening Methods: Fasten panels as indicated below:

1) Roof Sheathing:

a) Nail to wood framing.

b) Space panels 1/8 inch (3 mm) apart at edges and ends.

END OF SECTION 06160

SECTION 07421

ROOFING PANELS

PART 7 GENERAL

7.1 SECTION INCLUDES

A. Standing seam metal roof panels.

7.2 RELATED SECTIONS

A. Section 06160 – Plywood Sheathing.

7.3 REFERENCES

A. Building Design Codes: International Building Code (IBC) with revisions for Local Codes

7.4 PERFORMANCE REQUIREMENTS FOR ROOF SYSTEMS

A. Design Requirements:

1. The metal roof system as designed by the manufacturer shall be a complete system. All components of the system shall be supplied by the same manufacturer.

2. Roof Panels: Steel panels shall be designed in accordance with the AISI Cold- Formed Steel Design Manual.

3. Accessories and Fasteners: Accessories and fasteners shall be capable of resisting the specified design wind uplift forces and shall allow for thermal movement of the roof panel system. Exposed fasteners shall not restrict free movement of the roof panel system resulting from thermal forces, except at designed points of roof panel fixity.

4. Thermal Effects: Roof panels shall be free to move in response to the expansion and contraction forces resulting from temperature variation, as specified in the MBMA Metal Roofing Systems Design Manual.

7.5 SUBMITTALS

A. Submit: Manufacturer's data sheets on product to be used.

1. Storage and handling requirements and recommendations.

2. Installation methods.

3. Manufacturer’s Warranty

7.6 QUALITY ASSURANCE

A. Manufacturer Qualifications:

1. Panels specified in this section shall be produced in a permanent factory environment with fixed-base roll-forming equipment. Standing seam roofing may be roll formed at the jobsite if the design lengths of the panels are longer than shipping capabilities. Roll forming of the profiled panels, curving of all panels, factory mitering of corners, and fabricating of all curved flashings shall be performed by the manufacturer.

2. Manufacturer with a minimum of five years’ experience in manufacturing panels of this nature in a permanent, stationary, indoor production facility utilizing industrial equipment.

B. Installer Qualifications:

1. Installer shall have completed five projects of similar scope and magnitude that have been in service for a minimum of five years with satisfactory performance of the panel system.

2. Installer's foreman shall be trained in the proper installation of the specified system, and present at all times when material is being installed.

C. Regulatory Requirements: Comply with specified performance and local building code requirements. In the event of conflict, comply with the higher performing or more restrictive requirement.

7.7 DELIVERY, STORAGE, AND HANDLING

A. Deliver panels to job site properly packaged to provide protection against transportation damage.

B. Exercise extreme care in unloading, storing, and erecting panels to prevent bending, warping, twisting, end, and surface damage.

C. Store all material and accessories above ground on well skidded platforms.

D. Store under breathable waterproof covering (tarp). Provide proper ventilation to panels to prevent condensation buildup between each panel. Elevate one end of bundles while being stored.

E. Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.

7.8 WARRANTY

A. Finish Warranty: Manufacturer warrants that under normal atmospheric conditions the metal panels will not chalk or change color for a period of 10 years (minimum).

PART 8 PRODUCTS

8.1 MANUFACTURERS

A. Acceptable Manufacturer: LOKSEAM®, snap-together, concealed fastener, standing seam metal roof system, or approved equal.

B. Substitutions: Requests for substitutions will be considered by the COR and must be submitted in writing.

8.2 STANDING SEAM METAL ROOF PANELS

A. Metal Roof Panels: Alabama Steel Supply, Inc., 2 West Blvd, Montgomery, AL 36108 Phone: 334-834-1505, web: https://www.alabamasteel.com/ or approved equal.

B. Material:

1. Steel Coating: Siliconized polyester paint.

2. Steel Thickness: 26 gauge.

3. Seam height:1-3/4” height.

4. Panel Width: 36” (standard).

5. Color: KoKo Brown (standard color)

C. Accessories:

1. End lap plates shall be provided by the manufacturer.

2. The panel clip shall allow for the thermal expansion of the roof system.

3. Metal Components:

Provide accessories and other items essential to a complete roof panel installation including trim, flashing, fascia, and similar metal components.

Metal components to be fabricated from same gauge and finish as metal panels, unless otherwise noted.

4. Flashing: All flashing shall be manufactured from the same material as the roof panel and shall be designed to allow the panel system to expand.

5. Fasteners: Concealed Fasteners: Zinc-coated steel or stainless steel.

6. Closure Strips: Polyethylene to match configuration of the covering.

7. Sealants: Optional continuous butyl inseam sealant (required for Weathertight warranty applications).

D. Fabrication:

1. Panel Orientation: Panels are directional and shall be erected to produce a consistent visual effect.

PART 9 EXECUTION

9.1 EXAMINATION

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

9.2 PREPARATION

A. Clean surfaces thoroughly prior to installation.

B. Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.

9.3 INSTALLATION - STANDING SEAM METAL ROOF PANELS

A. Install in accordance with manufacturer's instructions.

B. Sealant: Panels shall be properly sealed at the side and end joints with sealants provided by the manufacturer. Sealant shall be applied over and under the clip as described in the instructions and standard details.

C. Polyethylene Ridge Closures: Closed cell polyethylene ridge closures are required on all ridges and high eave conditions and are to be friction fit and caulked in panned ends of panels per the instructions and standard details.

1. Metal Ridge End Closures. Formed metal ridge end closures with butyl tape as supplied by the manufacturer are to be used for all ridge or high-eave conditions.

D. Side Laps: Side laps shall be fully seamed, either by hand seaming or with an electric seaming machine, to ensure the integrity of the total roof system.

9.4 PROTECTION

A. Protect installed products until completion of project.

B. Remove strippable film immediately upon erection of panels or flashings.

C. On standing seam roofing panels complete the seaming first and then immediately remove strippable plastic film.

D. Exercise extreme care in unloading, storing, and erecting panels to prevent bending, warping, twisting, end, and surface damage.

E. Remove all metal filings from panel surface as part of the cleanup procedure.

F. Touch-up, repair or replace damaged products before Substantial Completion.

END OF SECTION 07421

PROJECT VICINITY MAP:

TUSKEGEE

NATIONAL

FOREST

PROJECT LOCATION MAP: TUSKEGEE NATIONAL FOREST

Tuskegee Work Center