Exhibit_B_GPVC.doc

Golden Pond Visitor Center Roof Replacement

PART 1

GENERAL

1.1 SCOPE OF WORK

The work includes removal of the existing shingle roof, dispose debris, furnishing and installing asphalt shingle roof.

1.2

LOCATION

The project is located at the Golden Pond Visitor Center at Land Between The Lakes National Recreation Area, Golden Pond, KY 42211.

1.3

CRITERIA

A.

Remove existing shingle roof. Debris shall be disposed off of Government Property.

B.

Install Grace Ice and Water Shield or equal per manufacturer’s instruction on the eaves and rakes on the Southside of the roof area.

C.

Install Grace Ice and Water Shield or equal per manufacturer’s instructions on the entire roof area on the Northside

E.

Install new drip edge metal at all eaves and rakes

F.

Install 15 lb felt underlayment on the Southside of roof area.

G.

Install new dimensional shingle per manufacturer’s specification

H.

Install new metal step flashing and counter flashing at all walls.

1.4

SUBMITTALS

A.

Contractor shall provide recommendation on roof repairs or replacement.

B.

Manufacturer’s catalog cuts and installation recommendation.

C.

Product color shall be determined by the COR.

1.5

QUALITY ASSURANCE

A.

Follow recommendations of ARMA Residential Asphalt Roofing Manual, latest edition.

B.

International Building Code, 2016 1.6

DELIVERY, STORAGE, AND HANDLING

A.

Deliver shingles in manufacturer's original, unopened, protective packaging. Comply with manufacturer's recommendations for protection.

1.7 WARRANTY

A. Furnish a written 20 year minimum warranty.

PART 2

PRODUCTS

2.1 Materials

1 Roofing Felt.

A. ASTM D226, 15 pound, unperforated.

2 Roll Roofing.

A. ASTM D249, 90 pound mineral surfaced.

3 Shingles.

A. Self‑sealing, fiberglass base, UL Class A, meeting ASTM D3018, Type I, or ASTM D3462; meeting UL Standard 997 for wind resistance rating.

4 Fasteners for Shingles.

A. Use either of the following:

1. Roofing nails, hot-dipped galvanized, 11 gauge or 12 gauge, 1‑1/4 inch long barbed shanks with 3/8 inch to 7/16 inch diameter heads.

2. Staples, zinc coated, 16 gauge or thicker, 15/16 inch minimum crown width, length 1‑1/4 inches.

5 Metal Edging.

A. 28 gauge galvanized steel angle, 3 inches on roof and 3/8 inch vertical leg.

6 Eaves Flashing.

A. Flexible waterproof membrane, Ice and Water Shield, manufactured by Grace Construction Products Division, W. R. Grace and Company, Cambridge, Massachusetts, or approved equal.

PART 3

EXECUTION

Construction

7 Drip Edge.

A. Install at eaves and rakes using roofing nails 9 inches on center.

8 Felt Underlayment.

A. Center a 36 inch width in each valley and tack in place. Then beginning at edge of roof, lay felt parallel to eaves and lap each course 2 inches over underlying course. Lap ends 4 inches and stagger end laps 6 feet minimum. Lap felts 6 inches onto valley and lap the felt 6 inches from both sides over all hips and ridges. Where roof meets a vertical surface, carry underlayment 4 inches up the surface. Tack felts in place.

9 Eaves Flashing.

A. Apply water proof membrane 36 inch width membrane flashing according to manufacturer's recommendations along all eaves and valleys over all metal flashings.

10 Valley Flashing.

A. Center 36 inch‑wide roll of water proof membrane in all valleys and areas of probable ice and debris dams. Apply according to manufacturer’s specifications.

11 Roof Penetration Flashing.

A. Install preformed metal flashing under shingles on upslope and on top of shingles on downside. Do not try to conceal downside of flashing.

12 Laying Shingles.

A. Snap horizontal and vertical chalk guide lines on underlayment, then lay shingles following manufacturer's instructions. Construct valleys as closed cut or woven. Construct hips and ridges from units cut from the strip shingles.

B. Center 36 inch-wide continuous strip of rolled roofing with mineral side up in all valleys.

1.2 INSPECTION

1 Surface to which the roofing is to be applied shall be even, smooth, sound, clean, and dry. Do not begin roofing work until surface deficiencies have been corrected.

1.3 project conditions

A. Weather Limitations: Proceed with installation only when existing and forecasted weather conditions permit asphalt shingle roofing to be performed according to manufacturers’ written instructions and warranty requirements.