Loren Data's SAM Daily™

FBO DAILY ISSUE OF JUNE 05, 2005 FBO #1287
SOLICITATION NOTICE

Z -- ASPHALT PAVEMENT MAINTENANCE

Notice Date

6/3/2005
 

Notice Type

Solicitation Notice
 

NAICS

238190 — Other Foundation, Structure, and Building Exterior Contractors
 

Contracting Office

Department of Labor, Mine Safety and Health Administration, Acquisition Management Branch (WV), 1301 Airport Road, Beaver, WV, 25813-9426
 

ZIP Code

25813-9426
 

Solicitation Number

Reference-Number-5305MR52ASPHALT2005
 

Response Due

6/24/2005
 

Archive Date

7/9/2005
 

Small Business Set-Aside

Total Small Business
 

Description

The National Mine Health and Safety Academy located at Beaver, West Virginia, is requesting bids to clean gutters, repair potholes, patch cracks, and apply sealer to approximately 440,000 square feet of roadways, parking lots, and sidewalks. After repairs and sealing are completed, roadways, parking spaces, and handicapped parking locations will be relined, repainted, and marked according to attached specifications. NOTE: A site visit is highly recommended before bids are submitted for this job. Part 1 General Conditions Objectives A. To protect asphaltic pavements from damage caused by gasoline and oil drippings, the ultraviolet rays of the sun, oxidation, deicing salts and the penetration of water. B. To reduce the aging of the asphaltic binder, thereby maintaining the flexibility and extending the life of the asphaltic pavement. C. To provide an affordable, long lasting pavement surface that is easy to clean. Section Includes A. Cutting and patching pavement areas to full-depth with hot mix, hot laid asphaltic concrete. B. Sealing pavement with cold applied asphalt sealer. C. Traffic stripping existing parking lots. References A. West Virginia specifications for hot mix, hot laid asphalt. B. CL-19 The Asphalt Institute Bulletin, ?Full Depth Asphalt Patching? C. ASTM D 946 Standard Specification for Penetration Grade Asphaltic Cement in Pavement Construction. D. ASTM D 2397 Standard Specification for Cationic Emulsified Asphalt E. ASTM D 3381Standard Specification for Viscosity-Graded Asphaltic Cement for use in Pavement Construction. F. ASTM D 3628 Standard Practice for Selection and Use of Emulsified Asphalt. G. ASTM C 136 Method for Sieve Analysis of Fine and Course Aggregates. H. ASTM D 140 Methods for Sampling Bituminous Materials. I. ASTM D 2939 Standard Test Methods for Emulsified Bitumens Used as Protective Coatings. J. ASTM D 3423 Standard Practice for Application of Emulsified Coal Tar Pitch (Mineral Colloid Type) K. ASTM D 4866 Standard Performance Specification for Coal Tar Pitch Emulsion Pavement Sealer Mix Formulations Containing Mineral Aggregates and Optional Polymeric Admixtures. L. ASTM D 5727 Standard Specification for Emulsified Refined Coal Tar (Mineral Colloid Type Project / Site Conditions A. Environmental Requirements: Apply hot mix, hat laid asphaltic concrete in dry weather when pavement and atmospheric temperatures are forty (40) degrees F. or above and are anticipated to remain above forty (40) degrees F. for four (4) hours after completing application. B. Materials: a. Asphaltic Cement: In accordance with West Virginia public works standards for public parking areas, ASTM D 3381 or ASTM D 946 asphaltic cement. b. Mineral Aggregate: In accordance with West Virginia public works standard for public parking areas. c. Tack Coat: In accordance with West Virginia public works standard for public parking areas, ASTM D2397 or ASTM D 3628. C. Mixes: a. Use dry material to avoid foaming. Mix uniformly in central plant. b. Mixture: 5 to 7 percent asphaltic cement by weight in total mixture in accordance with West Virginia public works standard for public parking areas. Execution A. Inspect areas that have been identified for patching. B. If after excavating for patching, the sub base is found to be unsuitable, notify Owner. C. Remove surface, base course, and sub grade to reach firm support. Extend at least one (1) foot horizontally into pavement. D. Make square or rectangular cuts. Make faces straight and vertical, with one pair of faces, where practical, parallel to the direction of traffic. E. Trim and compact sub grade. Compact sub grade to at least one hundred (100) percent of standard proctor density or ninety-five (95) percent of modified proctor density. F. Tack coat vertical surfaces with ASTM D 2397 or ASTM D 3628 asphalt emulsions types SS-1, SS-1h, CSS-1 or CSS-1h diluted with equal parts of water. G. Backfill with hot mix, hot laid asphaltic concrete while temperature stays above one hundred eighty five (185) degrees F. Prevent segregation of mixture. H. Compact in layers, if hole is more than four (4) inches deep, compact layers thoroughly to maximum of three (3) inches in thickness. Compact with equipment most suited for size of job. I. Adequate compaction equipment will yield surface of patch at same elevation as the surrounding pavement. When hand tamping or other light compaction methods are required, leave surface of compacted patch slightly higher than adjacent pavement, permitting patch to be further compresses by traffic. J. Check riding quality and alignment of patch with a straight edge or string line. K. Broom clean areas of work and remove extra materials from job site. Pavement Sealer Application A. Refined Coal Tar Emulsion a. The refined coal tar emulsion shall be prepared from a high temperature refined coal tar conforming to the requirements of ASTM D 490 for RT-12. b. The use of petroleum tar, oil or water gas tar shall not be permitted even though they may comply with the requirements of ASTM D 490 for RT-12. c. The base refined coal tar emulsion shall conform to the requirements of ASTM D 5727. d. If requested, the manufacturer will provide a certification with each bulk tanker delivery indicating compliance with the above requirements. Further, the certification will indicate the non-volatile (solids) and ash content of the refined coal tar emulsion for a particular tanker load. B. Water a. The water used for mixing shall be potable and free of harmful soluble salts and contaminants. b. The water temperature shall be at least fifty (50) degrees F. C. Additive a. The use of an additive will improve the sealer?s durability, gasoline and oil resistance, drying time, color, uniformity and aggregate suspension. b. The additive used must mix homogeneously and be compatible with the refined coal tar emulsion, aggregate and water mixture. D. Aggregate a. The use of aggregate will improve the sealer?s wear and skid resistance. b. The aggregate shall be either natural or manufactured angular aggregate. c. The aggregate shall be washed and graded silica sand or boiled slag free of dust, clay, organic materials or other contaminants. d. The aggregate shall meet the following gradation, when tested in accordance with ASTM C 136: Sieve Size % Retained No. 30 0-5 No. 40 0-10 No. 50 10-30 No. 70 15-100 No. 100 0-35 No. 140 0-25 No. 200 0-10 e. Aggregates with gradations outside of these ranges may be used provided the aggregate is pre-approved for use by the manufacturer prior to mixing. f. The aggregate manufacturer?s instructions for safe handling shall be followed at all times. E. Manufacturing: The base refined coal tar emulsion shall be produced using a continuous process colloid mill to ensure a homogeneous mixture and appropriate size and distribution of particles in suspension. F. Storage a. Bulk storage tanks used to store the refined coal tar emulsion shall be equipped with a mechanically powered, full sweep agitation system capable of homogeneous mixing the entire contents of the tank. b. Bulk storage tanks shall be agitated daily to ensure a homogeneous mixture. G. Equipment a. The application equipment shall be tank type with mechanically powered, full sweep agitation system capable of homogeneous mixing the entire contents of the tank. b. The application equipment shall be capable of applying the recommended coating rates evenly over the entire width of the application mechanism to provide a uniformly coated surface. c. All spray application equipment (spray bar or wand type) shall be equipped with positive displacement pumps to ensure uniform application of sealer. d. All squeegee/brush application equipment shall be equipped with two (2) or more squeegee and/or brush assemblies that are properly adjusted and in good condition to ensure uniform application of sealer. e. Application by hand squeegee or brush should be restricted to areas not accessible to mechanized equipment or to accommodate neat trim work at curbs, parking stops, etc. Sealer applied by hand shall meet the same standards as sealer applied by machine. Execution A. Patching a. All pavement areas that have failed for any reason and cracks exceeding 1? in width shall be repaired prior to sealing. b. The damaged pavement / base shall be removed to the full depth of the damage and replaced with similar material, thoroughly compacted. c. Patched areas shall be allowed to cure a minimum of sixty (60) days with daytime temperatures of sixty (60) degrees F. or higher prior to sealing. B. Crack Sealing a. All pavement cracks ?? ? 1? in width shall be repaired prior to sealing. b. All vegetation, dirt and debris shall be removed from the cracks to a minimum of ??. c. If vegetation is excessive, the cracks shall be treated with a water based herbicide a minimum of one (1) week prior to cleaning the cracks to prevent growth. d. The prepared cracks shall be filled, ignoring hairline cracks, with a rubberized hot or cold pour crack sealant. e. The crack sealant must be compatible with the refined coal tar emulsion system. C. Oil Spot Preparation a. All oil and grease that have not penetrated the pavement surface shall be removed by scraping or burning and scrubbing the affected area with a detergent solution. b. The treated area shall be thoroughly rinsed with clean water. c. The area shall then be treated with an oil spot primer to improve sealer adhesion and prevent the oil spot from bleeding through the sealer. d. The oil spot primer must be compatible with the refined coal tar emulsion system. D. Surface Cleaning a. All vegetation growing through the asphalt pavement shall be treated with a water based herbicide a minimum of one (1) week prior to cleaning the cracks to prevent growth. b. The pavement surface shall be thoroughly cleaned immediately prior to sealer application by sweeping, blowing, scrubbing and/or flushing the area with clean water to remove all debris that may restrict sealer adhesion. c. All standing water shall be removed from the pavement prior to sealing. E. Pavement Primer a. Older, highly oxidized asphalt pavements may require application of a prime coat prior to sealing to improve sealer adhesion. b. The primer shall consist of refined coal tar emulsion diluted 50% by volume with clean water and applied at a rate of 0.05 gal/square yard ? 0.10 gal/square yard. Primer not meeting this standard may be used provided it is pre-approved for use by the manufacturer. c. The primer must be compatible with the refined coal tar emulsion system. F. New Asphalt Pavement Surfaces a. New pavement surfaces, including patched areas shall be allowed to cure a minimum of sixty (60) days with daytime temperatures of 60 degrees F. or higher prior to sealing to eliminate any concentration of oils on the pavement surface. b. To determine if surface oils have dissipated, cast one (1) gallon of clean water over the pavement surface. If the water sheets out, uniformly wetting the surface and no oil rings appear, the surface is ready to be sealed. If the water balls up and/or shows signs of oil rings, additional curing time is required prior to sealing. G. Mix Design and Areas of Use a. The refined coal tar emulsion system shall consist of a mixture of refined coal tar emulsion, water, additive and aggregate and shall be proportioned as follows: b. The mix designs are based on using a sealer with non-volatile (solids) content of 51 to 52 percent. c. Mix designs outside of these ranges must be pre-approved by the manufacturer: Traffic Use Mix Type No. of Coats Refined Coal Water Aggregate Additive Tar Emuls. Gals Gals. Lbs. Gals._ Low Traffic Std. Emulsion 1st Coat 100 35-50 0-200 0 2nd Coat 100 30-45 100-200 0 Parking Areas Latex Fortified 1st Coat 100 40-55 0-300 2-3 Emulsion 2nd Coat 100 35-50 100-300 2-3 High Traffic Latex Fortified 1st Coat 100 40-55 0-400 3-4 Emulsion 2nd Coat 100 35-50 100-400 3-4 3rd Coat 100 45-60 100-400 3-4 H. Mixing a. The refined coal tar emulsion and specified amount of water shall be uniformly blended in a suitable mixing tank with mechanical agitation. b. After achieving a smooth homogeneous mixture of uniform consistency, the specified amount of additive, diluted with an equal amount of clean water, shall be slow added under continuous agitation to prevent shocking the sealer. c. After achieving a smooth homogeneous mixture of uniform consistency, the specified amount of aggregate shall be slowly added under continuous agitation. d. Mixing shall be continuous from the time the materials are placed into the mixing tank until the time the sealer is applied to the pavement. During the entire mixing process, no breaking, segregating or hardening of the emulsion, nor balling or lumping of the aggregate will be permitted. e. Small amounts of additional water may be added to the mixture to provide a workable consistency, but in no case is the total water content to exceed the specified amount. I. Application a. Application shall be made using spray or mechanical squeegee equipment, plastic or nylon-bristled brushes or rubber squeegees designed for this purpose. b. The sealer shall be uniformly applied over the entire surface and be free of voids. c. Recommended coverage rates based on mix designs detailed in Subparagraph G are as follows: i. 1st Coat 0.10 gal/square yard ? 0.15 gal/square yard ii. 2nd Coat 0.08 gal/square yard ? 0.12 gal/square yard iii. 3rd Coat 0.08 gal/square yard ? 0.12 gal/square yard d. Before apply the next coat of sealer, the previous coat shall be allowed to cure so that it will withstand traffic without scuffing. e. It is recommended that the final coat of sealer be allowed to cure for at least twenty-four (24) hours under ideal conditions (70 degrees F. and 50% relative humidity), then tested for trafficability before opening the pavement to regular use. f. Sealer shall only be applied when ambient and pavement temperatures are in excess of 50 degrees F. and are expected to remain there for at least twenty-four (24) hours following application. Under these conditions, allow the sealer to cure for at least forty-eight (48) hours, then test for trafficability before opening the pavement to regular use. g. Sealer shall not be applied during rainy or wet weather, during heavy fog or dew, during hours of sprinkler system operation or when rain is predicted with twenty-four (24) hours following sealer application. h. When the ambient temperature is in excess of eighty-five (85) degrees F., the pavement shall be fogged with cool, clean water immediately prior to sealing to reduce the pavement temperature and allow for better bonding and even spreading of the sealer. i. All standing water shall be removed from the pavement prior to sealing. j. In case of accidental spill, contain the sealer; prevent surface runoff from entering any drainage system or pond; dispose of spilled material in accordance with local, state and federal regulations. k. Do not allow the refined coal tar emulsion to freeze. J. Pavement Marking a. Pavement marking paint shall be compatible with the refined coal tar emulsion system. b. For best results, marking paints should be formulated at a pigment volume concentration (PVC) not to exceed fifty-four (54%) percent. K. Warranty a. Pavement sealer must meet or exceed the requirements of ASTM D 5727. b. The warrantee is limited to replacement of the product proven defective, or at the manufacturer?s option, refund of the purchase price thereof, upon return of the unused product. Liability for any incidental, consequential, special or punitive damages or loss is excluded. c. The foregoing limited warranty is granted expressly in lieu of all warranties, including, without limitation, warranties of merchantability and fitness, which are hereby excluded and shall not apply. J. Manufacture Inspections a. The supplier of the sealer products must have a factory certified inspector on the job a minimum of three days per week during the duration of the project. All phases of work must be inspected and written reports provided to the Owner. Any changes or deficiencies must be reported in writing to the Owner. ALL BID PROPOSALS ARE TO BE SUBMITTED TO hampton.katheryn@dol.gov WITH A HARD COPY SENT THROUGH THE MAIL. **NO FAX COPIES WILL BE ACCEPTED** SITE VISIT SHOULD BE ARRANGED WITH GARY HUMPHREY AT (304) 256-3275 OR (304) 256-3276 humphrey.gary@dol.gov MSHA would perfer vendors with established GSA contracts.
 

Place of Performance

Address: NATIONAL MINE HEALTH SAFETY & HEALTH ACADEMY, 1301 AIRPORT ROAD, BEAVER, WEST VIRGINIA

Zip Code: 25813

Country: USA
 

Record

SN00821596-W 20050605/050603211827 (fbodaily.com)
 

Source

FedBizOpps.gov Link to This Notice
(may not be valid after Archive Date)

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