3._Gate_Specs_Killpecker_Aggregate_Delivery _07142016.pdf

SECTION 02716

ROAD CLOSURE DEVICES (GATES)

PART 1 - GENERAL

1.1 SUMMARY

A. This work shall consist of installing only road closure devices using fabricated gates and accessories, combination post and rail barriers, concrete barriers, and earth mound barriers.

1.2 SUPPLIERS OF GATES

A. Provide gates of same manufacturer's throughout site. Government Furnished Material, material located in Colville, Washington. Coordinate material pickup through CO.

PART 2 – PRODUCTS

2.1 TREATED WOOD POST

A. Size: 6" diameter unless otherwise as SHOWN ON THE DRAWINGS.

2.2 GATES

A. Government Furnished Material, install to specifications provided at locations directed by the CO.

2.3 SIGNS

A. Sign Panels: Government Furnished Material

1. Aluminum Panels: All sheets and plates shall meet the requirements of ASTM B 209, alloy 6061-T6, or 5052-H38 and shall be of the thickness shown below unless otherwise SHOWN ON THE DRAWINGS.

Sign Width (inches) Sheet Aluminum Thickness (inches) Less than 8 0.022

8-12 0.040 13-19 0.063 20-30 0.080 31-48 0.100 over 48 0.125

B. Fittings:

02716 - 1

ROAD CLOSURE DEVICES (GATES)

GFM gates are located at 300 Hemlock St. in Fort Collins CO

Treated Wood Post shall be 8" diameter kdklein Sticky Note GFM will be available at 300 Hemlock, Fort Collins CO, 80524. Administrative site located on the North end of town directly off College Ave.

1. Lag screws, washers, clip angles, wood screws, shear plates, U-bolts, clamps, bolts, nuts, and other fasteners shall be galvanized steel, cadmium-plated steel, aluminum alloy, or as SHOWN ON THE DRAWINGS.

2. Galvanizing of steel hardware shall be in accordance with AASHTO M 232. High-strength steel bolts, nuts, and washers shall meet the requirements of ASTM A 325, except as SHOWN ON THE DRAWINGS.

C. Reflective Materials Type II, & Type III Reflective Sheeting:

1. All reflective materials (sheeting, legend, borders, and symbols) shall conform with the "Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects", FP, current edition and Federal Specification L-S-300C.

2. Colors shall be as specified in the MUTCD.

3. No more than 12 months shall elapse from the date of manufacture to the date of application on the substrate.

D. Letters, numerals, arrows, symbols, border:

1. Letters, numerals, arrows, symbols, border, and other features of the sign message shall be of the type, size, and series SHOWN ON THE DRAWINGS.

2. Colors shall be specified in MUTCD. Completed letters, numerals, and other units shall be formed to provide continuous stroke width with smooth edges and shall present a flat surface free of warp, blisters, wrinkles, burrs, and splinters. Units of the sign message of the type SHOWN ON THE DRAWINGS shall meet the following requirements:

a. Type L-1: Screen Process, Applied: The letters, numerals, arrows, symbols, and border shall be applied on the reflective sheeting or opaque background of the sign by direct reverse screen process. Messages and borders of a color darker than the background shall be applied to the paint or reflective sheeting by direct process. Message and borders of a color darker than sign field shall be produced by the reverse screen process.

1) Opaque or transparent colors, inks, and paints used in the screen process shall be of the type and quality recommended by the manufacture of the reflective sheeting.

2) The screening shall be done in a manner that results in a uniform color and tone, with sharply defined edges of legend and border, and without blemishes on the sign background that will affect intended use.

PART 3 – EXECUTION

3.1 PERFORMANCE

A. Road closure devices shall be placed at the location SHOWN ON THE DRAWINGS.

All devices shall be constructed to the dimensions SHOWN.

02716 - 2

B. Welding required in assembling gates shall be done in accordance with the best modern practice and the applicable requirements of AWS D1.1.

C. After assembly, nongalvanized steel pipe gates shall be cleaned and painted with one coat of zinc-rich primer and two coats of exterior enamel of the type and color SHOWN ON

THE DRAWINGS.

D. All posts shall be set vertically and embedded to the depth SHOWN ON THE DRAWINGS. Concrete for embedment shall be placed against undisturbed earth within an excavation sized to achieve the embedment dimensions. Backfill shall be compacted in 6-inch layers to finished grade.

E. All signs and/or reflective warning markers accessory to the road closure device as SHOWN ON THE DRAWINGS shall be furnished and installed by the contractor.

END OF SECTION 02716

02716 - 3