Attachment 1_Statement of Work.pdf

Statement of Work

Repair Roofing at MAFB Youth Baseball Fields

1. General: This project provides removal of old roofing materials and installation of new roofing materials, to include all drip edge and metal fascia at the youth baseball fields on MAFB.

The three baseball fields are located between 70th St & Oak St on Malmstrom AFB, MT.

The total roofing square footage of the six dugouts is approximately 2,200 SF. The dugouts are a single-pitch roof with no ridge cap, hip/valleys. Cap flashing will need to be installed on the leading edge of the shingles to prevent wind damage.

The total roofing square footage of the concessions building is approximately 2,000 SF. The concessions building is a gable roof with an intersecting hip roof overhang.

2. Summary of Work: The contractor shall provide all plant, labor, equipment, supervision, services and materials to execute and satisfy the requirements of this effort. Whenever brand names of products are listed throughout this document it shall be implied that the brand specified or approved equivalent will be used. Project requires removal of all old materials, inspection/replacement of any damaged sheathing/fascia, and installation of all new materials.

See roof drawings for approx. roof measurements.

The successful offeror shall be responsible for determining number of items, dimensions and details required for the proper accomplishment of the work as covered in the solicitation.

A. Facility Condition: Contractor and Project Inspector shall jointly inspect areas around the facility including siding, windows, roof penetrations, gutters, and surrounding pavements and grounds to determine existing conditions. Areas damaged by contractor operations shall be repaired at no additional cost to the Government.

B. Weather Conditions: Proceed with roofing work only when weather conditions are in compliance with manufacture’s recommendations C. Pre-Shingle Installation: Contractor and Project Inspector will verify that the wood decks are dry, properly sloped for drainage, and completely secured. Any damaged sheathing will be examined and replaced before new waterproofing membrane is installed.

D. Roofing Quality Control: Contractor shall provide an effective continuous quality control program with a Quality Controller appointed to perform self-inspections of all contract work and ensure all deficiencies are corrected prior to requesting a final inspection. Quality Controller must complete a daily report and give completed report to the on-site Project Inspector daily. See Appendix 2 for daily report form.

E. Removal of Facility Gutter System: Facility gutter system to be removed to facilitate easier installation of new drip edge flashing and prevent damage when shingles are removed.

Contractor is to use gutters screws to reattach system to the facility.

F. Security Information:

1. The contractor and his duly authorized representatives shall comply with pertinent Air Force security regulations while working on the project. Special security clearances such as confidential, secret, etc., are not required by the A-E for the design of this project. Take all possible precautions and efforts to prevent the disclosure of any information that might provide prospective construction contractors, manufacturers or suppliers as bidding advantage over others.

2. Force Protection: Contractor personnel are required to abide by all real-world Force Protection Condition (FPCON) measures, random anti-terrorism measures (RAMs), shelter-in-place orders, evacuations and lock-down notices as directed. Examples include mandatory badge or ID checks, facility single points-of-entry and searches of hand carried items.

3. Anti-Terrorism (AT) Awareness Training: In accordance with DoDI O- 2000.16v1_DAFI 31-145-O, Antiterrorism (AT) Program Implementation, ensure Level I – AT Awareness Training is completed by all personnel within 30 days of requiring access, and annually thereafter. The training will be provided by the Government. The objective of the training is to provide personnel with requisite knowledge necessary to remain vigilant and enable employment of AT tactics, techniques, and procedures. This training will be conducted by Malmstrom AFB 341st Contracting Squadron, by providing a written pamphlet for review.

I. Notice of Final Inspection and Acceptance: The Contractor shall schedule in writing a date with the Contracting Officer for final inspection 2 working days prior to his/her projected completion. Final Acceptance shall not occur until all discrepancies found during the inspection have been corrected. Final payments SHALL NOT occur until all discrepancies are corrected.

The Contractor will be charged for any cleanup and disposal costs for cleanup efforts performed by government personnel.

J. Winter Shutdown: No site work shall occur from 1 November to 1 May.

3. Submittals:

A. Product data: All submittals must be submitted on an IMT 3000.

B. Samples for Verification: For the following products, of sizes indicated, submit samples to verify color selected before purchasing.

1. Asphalt Shingle: Full-size asphalt shingle strip

2. Ridge and Hip Cap Shingles: Full-size ridge and hip cap asphalt shingle

3. Self-Adhering Ice and Water Shield Sheet Underlayment: 12 inches square

4. Drip Edging, Valley Flashing, and Step Flashing: 6 inch-pieces

5. Flashing Cement: Type, Manufacture Specification

C. Warranty: The contractor shall cover a period of one year from the date of project acceptance by the Contracting Officer. Repair and replacement of defective work shall be done without cost to the Government. The contractor’s warranty shall provide that:

1. If within that period the asphalt shingles tear or blow off the roof in whole or in part because of winds of any velocity less than 110 miles per hour, replacement of shingles, including both labor and materials, shall be the responsibility of the Contractor.

2. All shingles on general roof area, around roof, vents, flashings, eave, and rake edges found to be free of adhesion during the one year warranty period shall be sealed by the Contractor.

Note: “Certificate of Guarantee” Contractor must sign at the completion of the project. See Appendix 1.

4. Materials:

A. Fiberglass Shingles: ASTM D 3462 and as follows: Laminated-Strip Asphalt Shingles: Laminated, muti-ply overlay construction, mineral-granule surfaced, and self-sealing, straight cut butt edge. Product: “Owens Corning Oakridge”, Color: Mission Brown Blend or equivalent approved by the Contracting Officer. Shingles shall weigh no less than 260 pounds per sq with Wind Warranty for 110 MPH winds and shall bear a Class “A” fire-rating label.

B. Felt (organic):

1. Shingle underlayment to be Type II, No. 30 asphalt saturated organic felt for roofing meeting ASTM D226.

2. Membrane waterproofing to be Type II, No. 30 asphalt saturated roofing felt meeting ASTM D224.

3. Self-Adhering Ice and Water Shield Sheet Underlayment: Similar and equal to “Weather Watch” as Manufactured by GAF Corporation or approved equal.

C. Cements and Sealant:

1. Asphalt plastic cements shall be fibrated asphalt complying with ASTM D2822 or 4586 for trowel application.

2. Sealant shall be single component base elastomeric sealing compound, clear color, paintable, “Through the Roof” as manufactured by Sashco or equal.

D. Sheet Metal flashing and Trim:

1. Pre-Finished colored galvanized steel sheets for Style “D” roof edge metal, hot-dipped zinc-coated minimum 29 gauge sheet metal and commercial quality baked-on enamel factory finish color, as approved by Contracting Officer.

2. Galvanized sheet steel for valley metal: hot-dipped zinc-coated minimum 28-gauge sheet metal, commercial quality with baked on enamel factory finish color, as approved by the Contracting Officer.

3. Solder, Flux, sealants and accessories: As necessary and compatible to the material being installed.

4. Fabricate sheet metal flashing and trim to comply with recommendations in SMACNA’s “Architectural Sheet Metal Manual”.

5. Open-Valley Flashing: Fabricate with 1-inch high inverted-V profile at center of valley and equal flange widths of 24 inch wide sheet metal. Commercial quality baked-on enamel factory finish color, as approved by Contracting Officer.

E. Factory Fabricated Accessory Shingles for Ridge Caps:

1. Product; “ProEdge” Ridge Cap Shingles or equivalent approved by the Contracting Officer.

F. Fasteners: Nails for shingles shall be hot-dipped galvanized steel with sharp points and flat heads 3/8” to 7/16” in diameter. Steel nails shall have annular treads; nail shanks shall be at least 0.120 inch and not more than 0.135 inch outside diameter. Nails for fastening asphalt saturated felt shall conform to Fed Spec FF-N-105 (Aug 77, Type II, Style 20). Staples may be permitted for fastening of underlayment, with Contracting Officer approval. Shingles shall be attached with nails. Length as recommended by shingle manufacture. Fasteners for sheet metal work shall be galvanized or cadmium-plated steel.

G. Deck Sheathing: Type; Plywood, CDX, 4’x 8’x 1/2”. Roof sheathing is to be replaced only as necessary. Contractor is to estimate ten sheets in contract bid. If any additional sheets are needed, the contractor and project inspector are to keep a quantity count and contractor will be reimbursed, according to the unit price in the bid schedule, at the end of the project.

Other Materials: Provide all other materials necessary for complete and proper installation as approved by the Contracting Officer.

5. Demolition: All existing roofing material that is to be replaced is to be removed and hauled off-site to a licensed refuse area. Any damage to roof sheathing and/or equipment venting fixtures, caused by the contractor, shall be repaired by the Contractor at no additional cost to the Government. Clear all roofing debris on the ground around facility before new installation. Use high-power magnet to ensure all nails are removed within 12 feet of the roof edge. Government will be responsible for removing old UHF TV antenna, TV Satellite Dishes, and any communication cables running across roof area.

6. Installation:

A. Surface Conditions

1. Examine the area and conditions under which work will be performed. Correct conditions detrimental to timely and proper completion of the work. Do not proceed until unsatisfactory conditions are corrected.

B. Underlayment and Shingle Installation

1. Install system per the manufacturer’s written instructions as approved by the Contracting Officer.

2. Secure roofing shingles in accordance with Manufacturer’s recommendations for high wind areas. In addition, government requires contractor to seal each shingle on entire roof, including rakes, eaves, and ridge caps, using 1-inch diameter spots of roofing cement near edge, at each end and middle, on each shingle. Cement shall be placed so it will squeeze to edge of shingle when pressed down.

3. Metal Roof Flashings: Provide approved flashings abutting vertical walls, around sewer vents and other miscellaneous roof penetrations. Set Flashing flanges into full bed of plastic cement. Install pre-finished Style “D” roof edge metal flashings on all rake and eave edges. Set flashing in full bed of plastic cement. Apply a full bed of plastic cement between all shingles layers and to deck around all roof flashings and at roof wall terminations. Provide a continuous bead of approved sealant around the top of all vents , appliances, and flashing. Seal the junctions of the metal sleeves and the flanges to shingles with an application of approved sealant.

4. Roof Edge Seal: Provide an approved manufactured self-adhering ice and water shield sheet underlayment roof edge seal similar and equal to “Weather Watch” ice and snow barrier as manufactured by GAF Corp or “WinterGuard” as manufactured by CertainTeed Corp.

or approved equal. Fasten strip in place with one row of nails 1-1/2 inches above lower edge and space 6 to 8 inches on centers. Apply the starter shingles laid with cutouts reversed and flush and even with metal drip edge. Lay first course of shingles directly on top of starter strip, flush and even with metal drip edge. Align strip properly, centering cutouts on starter strip tabs. Nail each shingle from the end adjoining previously applied shingle. Provide 2-inch head lap. Secure roofing shingles in accordance with manufacture’s recommendations for high wind area application and as specified herein. In addition, provide plastic cement tabbing of each cut shingle on entire roof including ridge caps using two 1-inch diameter spots of cement near edge of shingle. Cement shall be placed so it will squeeze to edge of shingle when pressed down.

5. Rake, Valley, and Sidewall Underlayment: Install self-adhering ice and water shield sheet underlayment; wrinkle free, on roof deck. Comply with low-temperature installation restrictions of underlayment manufacture if applicable. Install at locations indicated below, lapped in direction to shed water. Lap sides not less than 3-1/2 inches. Lap ends not less than 6-inches staggered 24 inches between courses. Roll laps with roller. Cover underlayment within seven days.

a. Rakes: Extend from edges of rake 24 inches beyond interior face of exterior walls.

b. Metal-Flashed Open Valleys: Install 36-inch-wide self-adhering sheet underlayment directly to deck and center in valley. Stagger end-laps between layers at least 72 inches. Extend from lowest to highest point 18 inches on each side. Lap ends of strips at least 12 inches in direction to shed water and sealed with asphalt roofing cement. Fasten to roof deck with roofing nails.

c. Sidewalls: Extend beyond side wall 18 inches and return vertically against side wall not less than 6 inches.

6. Hip and Ridges: Provide factory fabricated accessory shingles for ridge caps by same manufacturer and matching material and color of field shingles. Bend shingles lengthwise down the center with equal exposure on each side of ridge. Lap shingles to provide not more than 5-inch exposure from butt, and nail in unexposed area 5-1/2 inches from butt and 1 inch vertically from edge. In cold weather, warm the shingle before bending. Provide cement tabbing under each side of all ridge shingles per B and D. above.

7. Rake Edge of Building: Apply full 2-inch wide bed of plastic cement between all layers of shingles to deck.

8. Eave Edge of Building: Apply full 2-inch wide bed of plastic cement between all layers of shingles and to deck at all eave edges.

C. Metal Installation

1. Fabricate or procure and install metal as required by job site conditions, as approved. Conform to standards of the components and materials manufactures and Sheet Metal and Air Conditioning Contractor National Association, Inc. (SMACNA) “Architectural Sheet Metal Manual” Sixth Edition, 2003. Joint shall be filled with approved polyurethane sealant, as required, to form a weatherproof joint.

2. Workmanship and installation methods employed for forming, anchoring, cleating and provisions for thermal expansion and contraction on all sheet metal work shall conform to commercial practice specified in the SMACNA manual.

3. Proper Surface and Dissimilar Materials: Surface to which sheet metal is to be applied shall be even, smooth, sound, thoroughly clean, dry, and free from any defects that might affect the application. Where metal abuts or members tie into dissimilar materials, protect contact surfaces with heavy coat of bituminous paint.

4. Open Sheet Metal Valley Flashing: Cut regular shingle courses on each roof on a true line 2 inches for valley centerline at top of valley, and increase width between lines by 1-inch for each 8 feet. Apply full bed of bituminous cement over the sheet metal flashing, between shingles and metal along and under the side of all layers of shingles adjoining both sides of valley. Press shingles tightly into the plastic bituminous cement. Seal edges of shingles on both sides of valleys with a heavy bead of polyurethane sealant. Valley flashings, where sloping roofs intersect, shall be constructed using not less than 20-inch wide, 28 gauge galvanized metal sheets in full one-piece lengths. Form the sheets to fit valley with extending 10 inches up the slope on each side. Nail at approved laps and on both sides just sufficiently to hold metal in place.

Remove all wrinkles in metal. Do not cut off shingles without protecting valley metal surfaces.

The contractor, at no additional cost to the Government, shall replace scratched or scored metal.

5. Roof Edge Flashing: Provide prefinished (colored) galvanized style “D” metal drip edge on all roof edges (rake and eaves). Provide longest lengths available, but in no case shall lengths less than 36 inches long be installed. Anchor metal to roof edge using specified roofing nails space 6 to 8 inches apart and 1-inch in from inner edge of metal flange. Fit metal drip edge tight to fascia.

6. Metal Roof Penetration Flashing: Provide approved flashing abutting vertical walls, around sewer vents and miscellaneous roof penetrations. Set flashing flanges in full bed of plastic cement.

a. Set all layers of shingles around roof penetrations in a full 4-inch wide bed of plastic cement.

b. Provide a continuous bead of elastomeric sealant around the top of all vents and appliance flashing as approved. Seal the junction of the metal sleeve and flange to shingles with an application of sealant.

7. Scope of Effort: The period of performance is 20 days once the contractor is issued the Notice to Proceed (NTP). Access to the baseball fields will be made available for working hours of 7:45 AM to 4:15 PM for all days except Saturdays, Sundays, and Federal Holidays. Additional hours shall be coordinated with Contracting Officer within three working days prior to implementation of hour change.

8. Miscellaneous:

A. Site 120V power is available.

B. Commercial roll-off dumpsters can be utilized at the contractor’s expense.

APPENDIX 1:

“Certificate of Guarantee”

We, _____________ (Name of Company) ______________________________________ agree to maintain the roofing and flashing on the below mentioned building for the warranty period indicated. This agreement is to render the roof and flashing waterproof, subject to the conditions outline below.

Owner of Building, Facility Number:__________________________________________

Location of Building:______________________________________________________

Street Address:___________________________________________________________

City and State:____________________________________________________________

Number of Square Feet in Roof:______________________________________________

This Guarantee is effective this ______day of __________________, _______________

The Manufacturer’s warranty is five years labor and material for manufacturing defects and a 30-year limited warranty. One year warranty for installation defects to be provided by (Company Name). It is understood and agreed that (Company Name) will not be responsible for leaks in the roofing or flashing due to excessive winds, distortion of the foundation on which the roofing or flashing rests, excessive hailstorms, or any other conditions over which we have no control.

Signed

Company:_______________________________________________________________

By

Signature and Title:___________________________________________________________________

APPENDIX 2:

QUALITY CONTROL REPORT TO INSPECTOR

Date: ___________

CONTRACT NO.

F24604-

TITLE AND LOCATION

REPORT NO.

CONTRACTOR (Prime or Subcontractor)

NAME OF SUPERINTENDENT OR QC REP

WEATHER TEMPERATURE

WEATHER EFFECTS

PRIME CONTRACTORS/SUBCONTRACTOR WORKFORCE

(If space provide below is inadequate, use additional sheets

NUMBER

TRADE

HOURS

EMPLOYER

ACTIVITY/TASK PERFORMED

COMP

NON

COMP

TOTAL WORK HOURS ON

JOB SITE THIS DATE_____

CUMULATIVE TOTAL OF

WORK HOURS FROM

PREVIOUS REPORT______

TOTAL WORK HOURS

FROM START OF

CONSTRUCTION

KTR INITIALS CERTIFY INSPECTION OF ACTIVITY

INITIALS

WERE THERE ANY LOST TIME ACCIDENTS THIS DATE?

YES NO

IF YES, A COPY OF THE COMPLETED OSHA REPORT IS REQUIRED

CONSTRUCTION AND PLANT EQUIPMENT LEFT ON JOB SITE UNTIL USE IS

COMPLETED

DESCRIPTION DATE FIRST ON JOB

(FIRST TIME ONLY)

HOURS WORKED THIS DATE HOURS

IDLED

DATE OF FINAL

REMOVAL FROM JOB SITE

CONSTRUCTION AND PLANT EQUIPMENT NOT LEFT ON JOB SITE

PERMANENTLY

(This will include pickup trucks and mobile mounted items, such as compressor, that are also used for transportation to and from the job)

DESCRIPTION HOURS WORKED HOURS IDLED

SPEC PARA

AND/OR

DRAWING NO.

LOCATION AND DESCRIPTION OF DEFICIENCIES

(Materials, Equipment, Safety, and/or Workmanship) ACTION TAKEN OR TO BE

TAKEN

REFERENCE

DEFICIENCIES CORRECTED THIS DATE

REPORT

NO.

COMPLIANCE

NOTICE NO.

INSPECTION AND/OR TESTING

PERFORMED TODAY - FOLLOW WITH

REPORT

LOCATION

AND/OR ELEMENT

OF WORK

REMARKS

RESULTS OF

INSPECTION/TESTING

SPEC PARA/

DRAWING

NO.

EQUIPMENT/MATERIAL RECEIVED TODAY TO

BE INCORPORATED IN JOB

(Description, Sizes, Quantity)

SUBMITTAL

NO. OR

CERTIFICATION

DATE

APPROVED

REMARKS:

(Document Total QC Hours for this Day, Directions Received from Government, and Compliance Notices, Etc)

Quality Control Rep Date

CONSTRUCTION REPRESENTATIVES REMARKS AND/OR EXCEPTIONS TO THIS REPORT

Construction Representative Date