Attachment_1_-_Statement_of_Work.docx

Gardiner to Mammoth and Gardiner North Gate Area Striping 2023 Yellowstone National Park

Scope of Work: Contractor shall supply all labor, materials, and equipment necessary to paint center lines, fog lines, cross walks, stop bars, turn arrows, and accessibility symbols on roadways. The work will be conducted in two phases with the first one occurring mid-May to early June and the second after chip sealing within two weeks of project completion (approximately July 17th to 20th). Paint and glass bead types will vary between tasks, specifications for each are listed. The Contractor shall perform all work in accordance with the recommendations of the Manual Uniform Traffic Control Devices (MUTCD 2009).

Spring Striping Tasks:

Specifications for Spring Striping:

Paint: Spring striping shall be with Waterborne Traffic paint conforming to the Federal Highway Administration, Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-14, USDOT, FHWA, section 718,718.10, Waterborne Traffic Paint.

718.10 Waterborne Traffic Paint. Furnish an acrylic water-based, ready-mixed paint conforming to the following:

1. Composition. Furnish a paint composed of resin solids of 100 percent acrylic polymer with the exact formulation determined by the manufacturer. Conform to the following:

c) ASTM D3335 & ASTM D3718

2. Viscosity.

a) ASTM D562 75-90 Krebs unit

3. Drying time.

4. Flexibility.

a) ASTM D522, using the ¼-in No cracking or flaking

b) (6.4-mm) cylindrical mandrel

5. Dry opacity.

6. Color

a) White, ASTM D1729 Match FHWA standard highway white

b) Yellow, ASTM D1729 Match FHWA standard highway yellow

7. Daylight reflectance. (Without glass beads)

a) White, ASTM E1347 84 percent relative to magnesium oxide standard

b) Yellow, ASTM E1347 55 percent relative to magnesium oxide standard

Glass Beads: Reflective glass beads shall conform to the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-14, USDOT, FHWA, section 718.14

718.14 Glass Beads. Conform to AASHTO M 247 for the type specified. Treat glass beads with an adherence coating as recommended by manufacturer.

Period of Performance for Spring Striping: May 15th to June 2nd

After Chip Seal Striping Tasks:

Paint: After Chip Seal painting shall be with Epoxy Traffic paint conforming to the Federal Highway Administration, Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects, FP-14, USDOT, FHWA, section 718,718.11, Epoxy Markings.

718.11 Epoxy Markings. Furnish a 2-component, 100 percent solids type system for hot-spray application conforming to the following:

7. Pigments. Component A. Percent by mass.

White.

(a) Titanium dioxide (TiO2), 18 percent min.

ASTM D476, Type IV

(b) Epoxy resin, ASTM D1652 75 to 82 percent Yellow:

(a) Chrome yellow (PbCrO4), 23 percent min.

ASTM D126

(b) Epoxy resin, ASTM D1652 70 to 77 percent Non-Lead Yellow:

(a) Titanium dioxide (TiO2) 14 percent min.

ASTM D476, Type II and Type III

ASTM D1652

at application temperature Color. 15 mil (0.38 millimeter) film thickness specimen (cured).

a) White, ASTM D1729 Match FHWA standard

i. highway white

b) Yellow, ASTM D1729 Match FHWA standard

i. highway yellow Directional reflectance. (Without glass beads)

(1) White, ASTM E1347 84 percent relative to magnesium oxide standard

(2) Yellow, ASTM E1347 55 percent relative to magnesium oxide standard Drying time. 15-mil (0.38-millimeter) film thickness with glass beads (cured).

8. Abrasion resistance.

Wear index 82 max.

with a CS-17 wheel under a 35.3 oz (1000 g) load for 1000 cycles, ASTM D4060

9. Hardness. Type D hardness with 75 to 100 72-hour cure at 72 °F (22 °C), ASTM D2240

10. Glass Beads: Shall meet Swarco Colorado 50% Blend Glass Bead standards listed:

Glass Reflective spheres for drop-on or intermix applications with reflective highway markings:

Reflective glass spheres for drop-on or intermix applications with reflective highway markings: US

MESH

Appearance Beads shall be colorless, transparent, spherically shaped, essentially free of air inclusions and carbon residue and conform to the above gradation in accordance with ASTM D1214 and / or AASHTO PP-74. Swarco Colorado 50% Blend shall contain a minimum of 40% direct melt glass beads <#30 sieve..

Roundness Minimum 80% true spheres measured according to ASTM D-1155, FLH T520 or AASHTO PP-74.

Index of refraction 1.50 to 1.55 by oil immersion method.

Chemical Resistance to hydrochloric acid, water, calcium chloride, and sodium sulfide as tested per methods outlined in sections 4.3.6 to 4.3.9 of the TT-B Federal Spec. 1325.

Moisture resistance & Flow Characteristics Beads shall not absorb moisture when stored properly. They shall remain free of clusters and lumps and flow freely from dispensing equipment.

Coatings Per customer request and specification - Moisture Resistance, Adherence Coating, Dual Coating, and Flotation.

Heavy Metals Glass beads shall contain no more than 75 PPM Arsenic, 75 PPM Antimony and 100 PPM Lead, as tested in accordance with EPA methods 3052 and 6010C, or other approved testing method.

11. Period of Performance After Chip Seal: July 17th to 21st (unless postponed due to weather).

12. Application of Paints:

· All paint shall be mixed and applied according to manufacturer's recommendations.

· Weather: Paint shall be applied during daylight or nighttime hours when the air and pavement temperatures are 50° F or higher, the pavement surface is dry, and the weather is not foggy, rainy, or stormy. Nighttime striping shall have prior approval from COR

· Stripes shall be 4 inches wide

· Application Rates:

· Water Borne Paint: Shall be applied at 300’ per gallon with 8lbs of glass beads applied per gallon.

· Epoxy Paint: Shall be applied at 240’ per gallon with 25lbs of glass beads per gallon.

· The Contractor shall protect the pavement markings until dry by placing guarding or warning devices or posting flaggers as necessary. Temporary closure of the 4 miles between Gardiner and Mammoth will be allowed with prior approval from COR. Any pavement markings tracked or damaged shall be corrected/removed at no additional cost to the government.

13. Submittals: All submittals shall be sent to Contract Officer at least 30 days prior to starting work for approval.

Required Submittals:

· Traffic control plan complying with MUTCD 2009 standards

· Tentative Schedule

14. Bid Schedule:

2023 Road Striping Yellowstone Park Additional Areas Bid Schedule

Spring Striping ( Tentatively Scheduled for May 15th to June 2nd) Water based Paint

Total Spring Striping

After Chipseal Summer Striping (Tentatively July 17th to 20th) Epoxy Paint

Total Summer Striping

Contract Total