Sign_Specs.doc

USDA FOREST SERVICE, R-4

FOREST WIDE SIGN REPLACEMENT PROJECT

SECTION 00190 - MOBILIZATION

PART 1 - GENERAL

1.1 SUMMARY

A. This item is intended to compensate the Contractor for operations including, but not limited to, those necessary for the movement of personnel, equipment, supplies, and incidentals to the project site; for payment of premiums for bonds and insurance for the project; and for any other work and operations which must be performed or costs that must be incurred incident to the initiation of meaningful work at the site and for which payment is not otherwise provided for under the contract.

1.2 MEASUREMENT AND PAYMENT

A. The measurement shall be lump sum for mobilization as shown in the Schedule of Items.

B. Payment:

1. Bond premiums will be reimbursed after receipt of the evidence of payment.

2. 50% of the lump sum, not to exceed 5% of the original contract amount, will be paid following completion of 5% of the original contract amount not including mobilization and bond premiums.

3. Payment of the remaining portion of the lump sum, up to 10% of the original contract amount, will be paid following completion of 10% of the original contract amount not including mobilization and bond premiums.

4. Any portion of the lump sum in excess of 10% of the original contract amount will be paid after final acceptance.

5. Progress payments for mobilization and preparatory work shall be subject to retainage.

PART 2 - PRODUCTS (Not Applicable)

PART 3 – EXECUTION - See Section, H-SPECIAL CONTRACT REQUIREMENTS, H-5 – Cleaning Equipment for requirements prior to mobilizing to any portion of the project.

END OF SECTION 00190

June 2008

SECTION 101110 - BULLETIN BOARD AND SIGN BASES

PART 3 - GENERAL

3.1 This item shall consist of furnishing and installing bulletin boards, and sign bases for portal and recreation site signs, constructed as shown on the drawings and installed at the locations staked in the field in conformity with the lines and grades established, or as directed by the Contracting Officer

3.2 METHOD OF MEASUREMENT

A. The quantity for bulletin boards to be measured shall be the number of individual "Two Panel Bulletin Board" or “Three Panel Bulletin Board” as indicated in the Schedule of Items completed in place and accepted. The quantity of sign bases for portal signs and recreation site signs is shown on the North and South zone sign summary sheets. Completed and accepted in place sign bases are included in costs under “Sign Installation” for the South and North Zones.

PART 4 - PRODUCTS

4.1 TREATED TIMBERS

A. Timber shall be rough sawn standard and better fir or pine, as graded by the Western Wood Products Association.

B. All lumber shall be pressure treated using ACQ or CCA marked to indicate the intended end use “ground contact” or “below ground” identifying both the preservative and the specified retention.

4.2 BULLETIN BOARD PANELS

A. The panels shall be constructed of 3/4" Medium Density Overlay (MDO) plywood, Group 1, APA grade - trademarked, with smooth, untextured overlay on both faces.

4.3 HARDWARE

A. Fasteners shall conform to the requirements of ASTM D1761-88. They shall be corrosion resistant, have 5/16” hex heads, and self-drilling, threaded log fastener, 10” length. Fasteners shall be Olylog, catalog No. LOG10 from Olympic Manufacturing Group, Inc., 153 Bowles Road, Agawam, MA 01001, 800-633-3800, www.olyfast.com or an approved equal.

B. Carriage bolts, flat washers, nuts, screws shall be galvanized or stainless steel finish.

C. Security bolt and nut system shall be galvanized or cadmium plated steel. Bolts shall be 5/16” carriage bolts. Nuts shall be vandal-proof Tufnuts, www.tufnutworks.com, or an approved equal.

4.4 PAINT AND STAIN

A. Material shall all be first quality products. The Benjamin Moore & Co products listed are given to establish the type and quality of products to be used. Other products of equivalent quality may be submitted to the Contracting Officer for review and approval. Top line products of Pratt & Lambert, Sherwin-Williams, Fuller-O’Brien, Olympic, and Pittsburgh paints and stains are equivalent to those listed in this specification.

1. Paint - Soft gloss, alkyd fortified 100% acrylic latex exterior house paint; MoorGlo 100% Acrylic House and Trim Paint, #096. Prime with exterior latex primer coat; Benjamin Moore Fresh Start All-Purpose Acrylic Primer, #023.

2. Stain - Exterior Solid Color Stain; Benjamin Moore Acrylic Solid Siding Stain, #N089.

PART 5 - EXECUTION

5.1 ASSEMBLY

A. Cut components to the dimensions shown on the drawings. Cut slots and chamfer the tops of the posts. Joints shall be closely fitted, butted, as shown or required to provide substantial construction and a neat, finished appearance and to conceal shrinkage. Exposed wood surfaces shall be without surface imperfections which cannot be concealed readily by paint finishes. Use finishing nails set for puttying. Stain all bulletin board components in accordance with Section 3.3. Use required hardware to fasten the components to construct a square, rigid assembly as shown on the drawings.

5.2 PREPARATION OF SURFACES

A. Surfaces to be painted shall be clean and free of dirt, dust and any other substance which might interfere with the functioning of the painting system. All surfaces to be painted shall be in proper condition to accept, and assure the proper adhesion and functioning of the particular painting system or coating specified.

B. Wood surfaces shall be hand sandpapered and dusted clean. All knots, pitch pockets, or sappy portions shall be sealed with clear shellac or knot sealer. Putty all nail holes, cracks, etc., after first or prime coat. Do not seal wood surfaces to receive stain or natural finish. Do not sandpaper saw textured or re-sawn surfaces.

5.3 WORKMANSHIP AND APPLICATION

A. All above grade portions, shall be stained with two coats of stain (max. spread rate - 350 sq. ft./gallon).

B. Stain shall be applied in accordance with manufacturer's instructions.

C. Work shall be protected against spatters, stains, or soiling, and each type of finish shall be protected against similar defacement by other finish and shall be left clean.

D. Each coat of stain shall be evenly spread and allowed to dry before any subsequent coat is applied or rubbing done.

E. The finish work shall be free from runs and sags, defective brushing, and clogging of lines or angles.

5.4 TOUCHING UP

A. At the completion of all construction activities, all painted and finished work shall be touched up and restored where damaged or defaced, and the entire work left free from blemished.

5.5 INSTALLATION

A. The completed bulletin board or portal sign base shall be installed at the location(s) indicated on the site plan or staked in the field to the line and grade established. If the staked location is at the site of an existing bulletin board or sign, remove the existing structure and set aside for disposal by the Forest Service.

B. When the completed structure is plumb it shall be backfilled in lifts not to exceed 6 inches, watered if necessary, and compacted to the density of the surrounding natural material. When backfilling is completed, the site shall be finish graded to match the surrounding natural grade and shall be cleaned up by removing all debris and unutilized materials.

END OF SECTION

SECTION 101400 - SIGNS

PART 6 - GENERAL

6.1 This item shall consist of furnishing and installing signs as shown on the drawings. The location for sign installations shall be as shown on the drawings and as staked by the Contracting Officer in the field. The contractor shall furnish all posts, signs, and hardware required to complete the full installation.

6.2 SUBMITTAL

A. Sign Order Submittal: The contractor shall submit any forms required by a sign manufacturer to order signs listed for the project. The forms should include information such as: standard sign designation number, options for substrate type, size of letters, retro-reflectivity and paint, routing and sign texts. The Contracting Officer shall approve the submitted forms prior to the Contractor submitting them to the manufacturer.

6.3 METHOD OF MEASUREMENT

A. The quantity to be measured shall be the lump sum of all signs listed in the drawings for each the “North Zone” and “South Zone” furnished, installed and accepted.

PART 7 - PRODUCTS

7.1 SIGN PANELS

A. General:

1. Sign panels shall be panels of one-piece construction.

2. Signs shall conform to current editions of the Manual of Uniform Traffic Control Devices (MUTCD) and the Forest Service Manual - EM 7100-15, Sign and Poster Guidelines for the Forest Service.

B. Sheeting

1. All retroreflective materials (sheeting, legend, borders, and symbols) shall conform to ASTM D 4956. All sheeting shall be engineering grade ASTM Type I, sheeting for informational and directional signs. Background sheeting shall be pressure sensitive.

C. HDO Plywood Panels:

1. Furnish exterior type B-B high-density overlay plywood of better conforming to NIST specification PS-1 for construction and industrial plywood.

2. Use ½-inch thick plywood for sign panels with facial area 4 square feet or less and the horizontal dimension no greater than the vertical dimension. Use ¾-inch thick plywood for larger panels.

3. Abrade, clean, and degrease the face of the plywood panel according to methods recommended by the manufacturer of the retroreflective sheeting. Perform cutting and drilling prior to preparing the blanks for application of reflective material.

4. Apply edge tape to the edges of the plywood panel.

D. MDO Plywood Panels:

1. Furnish Medium Density Overlay (MDO) plywood with B-grade (or better) faces and C-grade inner plies conforming to U.S. Product Standard PS-1. Sign panels less than 4 by 8 feet shall be cut from a single sheet, minimum ¾-inch thick material and shall be flat and free of warp or any defects that interrupt smooth continuity of the panel surface. The resin-treated MDO facing shall be on both sides of the finished product and shall present a smooth, uniform surface intended for high-quality paint finishes.

2. Machine-rout all letters, symbols, borders, separation lines, logotype, etc. and sand all surfaces with fine grit (100+) sandpaper. Wipe all surfaces and lettering clean prior to painting.

3. All MDO plywood signs shall be painted. Apply one coat of primer and two coats of paint of the specified color according to the manufacturer’s instructions.

E. Aluminum Panels:

1. All sign sheets and plates shall meet the requirements of ASTM B 209, alloy 6061-T6, or 5052-H38.

2. Fabricate panels that are 30 by 30 inches or smaller from 0.080-inch thick aluminum sheets. Fabricate larger panels from 0.125-inch thick aluminum sheets.

3. The blanks shall be free from laminations, blisters, open seams, pit holes, or other defects that may affect their appearance or use. The thickness shall be uniform and the blank commercially flat. Perform shearing, cutting, and punching before preparing blanks for application of reflective material.

4. Clean, degrease and properly prepare the panels according to methods recommended by the sheeting manufacturer. Conversion coatings will conform to ASTM B-921 or ASTM B-449.

5. Pre-drill holes for installation

F. High Density Polyethylene (HDPE):

1. Furnish HDPE panels made from ¾-inch sheets bonded in a “A/B/A format, consisting of USFS brown 1/8” top and bottom layers with a USFS cream ½” middle core layer. The combination of layers shall provide a unified ¾” thick panel free of any post manufacture jointing, unless requested. The surface of the front and back of the panel will be a matte finish.

2. Routing workmanship shall be high quality with no visible defects in the finished product.

7.2 POSTS

A. Wood Posts - posts shall be rough sawn standard and better fir or pine. All lumber shall be pressure treated using ACQ or CCA marked to indicate the intended end use “ground contact” or “below ground” identifying both the preservative and the specified retention.

B. Steel Posts: Steel posts shall meet the requirements of ASTM A 499, galvanized in accordance with AASHTO M 111. Minimum weight per foot will be as listed in the Schedule of Items. The posts shall have 7/16-inch holes drilled or punched, before galvanizing, along the centerline of the web. The punching or drilling should begin 1 inch from the top of the post, at 2-inch centers for the upper 5 feet of the post.

C. Aluminum Posts: Aluminum posts shall be standard shapes as shown on the drawings and shall be aluminum alloy 6061-T6 or 6351-T5 meeting the requirements of ASTM B 221.

7.3 FASTENERS

A. Vandal-Resistant Bolts and hardware shall be hot-dipped galvanized, stainless steel or cadmium plated steel. Always use like metals, i.e., do not use stainless steel washers with galvanized bolts. Bolts shall be 5/16” carriage bolts with nylon washers on the sign surface side and flat washers on the back side. Nuts installed shall be vandal-resistant Tufnuts, www.tufnutworks.com, or approved equal.

7.4 EGDE FILM

A. Edge film will be a pressure-sensitive, premium, clear ultraviolet-resistant, 3 inch wide vinyl film.

7.5 PAINT

A. Material shall all be first quality products. The Benjamin Moore & Co products listed are given to establish the type and quality of products to be used. Other products of equivalent quality may be submitted to the Contracting Officer for review and approval. Top line products of Pratt & Lambert, Sherwin-Williams, Fuller-O’Brien, Olympic, and Pittsburgh paints and stains are equivalent to those listed in this specification.

1. Paint - Soft gloss, alkyd fortified 100% acrylic latex exterior house paint; MoorGlo 100% Acrylic House and Trim Paint, #096. Prime with exterior latex primer coat; Benjamin Moore Fresh Start All-Purpose Acrylic Primer, #023. Colors shall match Federal Standard 595, Nos. 20059 and 23695.

2. Stain - Exterior Solid Color Stain; Benjamin Moore Acrylic Solid Siding Stain, #N089, match Federal Standard 595, No. 20059.

PART 8 - EXECUTION

8.1 POST SETTING

A. Post holes not larger than 18-inch diameter shall be excavated to a depth as shown on the drawings. Sign locations may be changed to fit field conditions as approved by the CO. If the installation site is staked at the location of an existing sign, remove the existing sign and post, and set aside for disposal by the Forest Service. Determine sign support lengths at time of installation. Backfill shall be hand tamped around the wood posts so as to make the post solid and plumb. Any loose posts shall be removed and re-installed.

8.2 SIGN MOUNTING

A. Signs shall be mounted as shown on the drawings. Bolt holes shall be neatly drilled in the signs so as to prevent splintering and drilling through letters or de-laminate sheathing. Sign face sheathing or edge film coverings shall not be broken.

8.3 GRADING AND CLEANUP

A. The area around the post shall now be graded to the desired contour. When the installation is completed, the general area shall be cleaned up by removing all debris and material not utilized.

END OF SECTION

March 2006

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MOBILIZATION

00190