8-ITB-06-Specifications.pdf
PDF 197 KB Posted
- Attached to
- ITB Asphalt Hot and Cold Lay
- Solicitation number
- 25-0156
- Issued by
- Tarrant County, Texas
About this file
This is an Invitation to Bid (ITB) issued by the City of Fort Worth Purchasing Division for Asphalt Hot and Cold Lay materials, referenced as ITB #25-0156. The City seeks to establish a non-exclusive agreement for various types of asphalt materials to be used for maintaining street safety throughout Fort Worth. The solicitation covers multiple asphalt types including Hot Mix/Cold Lay Type FF, Hot Mix/Hot Asphaltic Concrete Type B, Hot Mix/Hot Lay Asphaltic Concrete Type D, and a High-Performance Asphaltic Concrete Pothole Patching Mix. The contract will allow city departments to purchase these materials on an "as needed" basis, with deliveries possible at various city facilities including Aviation, Transportation and Public Works, Water, and Park & Recreation locations.
The bid specifies detailed technical requirements for each asphalt type, including precise aggregate composition percentages, asphaltic material content, and performance standards. Vendors must guarantee material workability for at least 12 months, with the ability to deliver products within 5 business days of purchase order receipt. Delivery is restricted to Monday through Friday between 6:00 a.m. and 5:00 p.m., excluding specific city-observed holidays. The City reserves the right to test and evaluate samples, with vendors responsible for replacing any unsatisfactory materials at their own expense. Pricing and quantity details are not explicitly stated in the document, suggesting those might be part of the full bidding package.
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CITY OF FORT WORTH - PURCHASING DIVISION
SPECIFICATION
ITB Ref. #: 25-0156 Doc. Ref#: ITB-06 Page 1 of 7 ITB Title: Asphalt Hot and Cold Lay
1.0 INTENT
1.1 The asphalt will be used to maintain the safety of streets throughout the City of Fort Worth.
2.0 SCOPE
2.1 The City of Fort Worth (City) seeks bids to finalize a non-exclusive agreement for asphalt hot and cold lay for City Departments on an “as needed” basis. Prospective responding bidders should ensure they review all attachments for complete responses and understanding of the agreement the City intends to award from this solicitation. The successful bidder(s) is known hereafter as “Contractor,” “Vendor” or “Supplier.”
3.0 SPECIFICATIONS
3.1 Hot Mix/Cold Lay Type FF
3.1.1 Listed are the specifications for cold mix, Type FF, from the
Texas Highway Department and the minimum specifications for the product that the City will accept.
PERCENT AGGREGATE BY WEIGHT OR VOLUME
Sieve Size Percent Passing (%) Passing 1/2” Sieve 100 Passing 3/8” Sieve 85 to 100 Passing 3/8” Sieve, Retained on #4” Sieve 21 to 53 Passing #4 Sieve, Retained on #10 Sieve 11 to 32 Total Retained on #10 Sieve 54 to 74 Passing #10 Sieve, Retained on #40 Sieve 6 to 32 Passing #40 Sieve, Retained on #90 Sieve 4 to 27 Passing #80 Sieve, Retained on #200 Sieve 3 to 27 Passing #200 Sieve 1 to 8
ITB Ref. #: 25-0156 Doc. Ref#: ITB-06 Page 2 of 7
The asphaltic material shall form from 4 to 8 percent of the mixture by weight or from 9 to 19 percent of the mixture by volume, unless specified otherwise by the City of Fort Worth.
3.2 Hot Mix/Hot Asphaltic Concrete, Type B, Fine Grade or Leveling-up Coarse Surface
3.2.1 Listed are the specifications from the Texas Highway
department and the minimum specifications for the product that the City will accept.
Passing 1” Sieve 100 Passing 7/8” Sieve 95 to 100 Passing 7/8” Sieve, Retained on 3/8” Sieve 21 to 53 Passing 3/8” Sieve, Retained on #4 Sieve 11 to 42 Passing #4 Sieve, Retained on #10 Sieve 5 to 26 Total retained on #10 Sieve 58 to 74 Passing #10 Sieve, Retained on #40 Sieve 6 to 32 Passing #40 Sieve, Retained on #80 Sieve 4 to 21 Passing #80 Sieve, Retained on #200 Sieve 3 to 21
The asphaltic material shall form from 3.5 to 7 percent of the mixture by weight or from 8 to 16 percent of the mixture by volume, unless specified otherwise by the City of Fort Worth.
3.3 Hot Mix/Hot Lay Asphaltic Concrete Type D, Fine Grade, Coarse Surface
3.3.1 Listed are the specifications from the Texas Highway
department and the minimum specifications for the product that the City will accept.
ITB Ref. #: 25-0156 Doc. Ref#: ITB-06 Page 3 of 7
Passing 1/2” Sieve 100 Passing 3/8” Sieve 85 to 100 Passing 3/8” Sieve, Retained on #4” Sieve 21 to 53 Passing #4 Sieve, Retained on #10 Sieve 11 to 32 Total Retained on #10 Sieve 54 to 74 Passing #10 Sieve, Retained on #40 Sieve 6 to 32 Passing #40 Sieve, Retained on #90 Sieve 4 to 27 Passing #80 Sieve, Retained on #200 Sieve 3 to 27
3.4 High-Performance Asphaltic Concrete Pothole Patching Mix
3.4.1 The product shall meet the Texas Department of Transportation and the City of Fort Worth Material Specification DMS-9202.
3.4.2 This specification shall govern the asphaltic concrete mixture intended primarily as a cool to cold wet-weather high performance stockpile pothole patching mix for maintenance. It is primarily a crushed stone asphaltic concrete with asphalt additives.
3.4.3 The patching mix shall not require the use of tack coat or primer for adherence to the patch area. The mix shall be capable of being placed in air temperatures from minus 15 degrees to 100 degrees Fahrenheit and shall maintain adhesive qualities in areas which are damp or wet at the time of application.
Required areas shall remain flexible and cohesive to an air temperature of minus 15 degrees Fahrenheit. Repaired areas shall also have the capability of immediately being opened to traffic with no kick-up or ravel-out afterwards.
ITB Ref. #: 25-0156 Doc. Ref#: ITB-06 Page 4 of 7
3.4.4 Aggregate shall have a maximum particle size of ½ inch.
3.4.5 The patching mix shall be resistant to water damage. The as-received mix shall be evaluated for resistance to water damage by soaking a 100-gram representative sample of the total mixture in 200 milliliters (ml) of distilled or deionized water at 140+/- 2 Fahrenheit for 24+/- 2 hours. The soaking test shall be accomplished in a glass beaker of approximately 400 ml. Upon completion of the 24-hour soaking period, the mixture shall be evaluated while submerged in the testing water. The material shall show no visible evidence of stripping.
3.4.6 Asphalt and Concrete patching mix will be packaged in 60-pound bags and delivered to a designated location or picked up by the City, at the City’s option. Bulk asphalt and concrete patching mix will be measured by the ton of 2,000 pounds.
3.5 Tack Coat/Tack Emulsion
3.5.1 Thin bituminous liquid asphalt, emulsion, or cutback layer used between hot mix asphalt pavement lifts to promote bonding.
3.6 Testing and Sampling
3.6.1 Vendors are advised that samples may be required for testing and evaluation prior to the issuance of any order. The City reserves the right to determine material acceptability. The City also reserves the right to perform random testing periodically for the duration of the contract. Testing samples are at Vendor’s expense.
3.7 Unsatisfactory Materials
3.7.1 In the event the material furnished does not meet all standards listed above, the vendor shall reimburse the City for all expenses including labor, equipment, materials, and other incidents to correct the problem.
ITB Ref. #: 25-0156 Doc. Ref#: ITB-06 Page 5 of 7
3.7.2 The City reserves the option to require material vendors to replace or to reimburse the City for the unused portion of material found to be unsatisfactory.
3.7.3 The vendor will remove unsatisfactory material at no cost to the City and deliver an equal quantity of acceptable material within 7 days of the date materials are returned.
3.8 Performance of Patching Mix
3.8.1 The vendor of the material shall guarantee the performance of the patching mix to meet the following requirements:
3.8.1.1 The material shall remain workable, in an uncovered
stockpile, if applicable, for a period of not less than 12 months.
3.8.1.2 Containerized material shall have a shelf life and
remain workable for a period of not less than 12 months.
3.8.1.3 Repaired potholes shall not show any significant signs of shoving, rutting, tracking, kick-up or ravel-out within a period of 12 months from the time of repair.
4.0 DELIVERY
4.1 Delivery representatives will coordinate with the Vendor contract as to where deliveries will be made.
4.2 Deliveries could be at any job site located throughout the city or the City Facility. The product can be picked up by the city, at the City’s option.
4.3 The product shall be delivered to the specified location within 5 business days after the receipt of a purchase order from the City.
ITB Ref. #: 25-0156 Doc. Ref#: ITB-06 Page 6 of 7
4.4 The product shall be delivered between 6:00 a.m. to 5:00 p.m., Monday through Friday, unless otherwise noted.
4.5 City Facility locations and hours of operation:
Aviation
3300 Ross Ave.
Fort Worth, TX 76106 Monday – Sunday 6 AM to 11 PM
450 Alsbury Court Burleson, TX 76028 Monday – Sunday 8 AM to 5 PM
Transportation and Public Works
4100 Columbus Trail Fort Worth, TX 76133 Monday – Friday 7 AM to 5 PM
309 Hillshire Dr.
Fort Worth, TX 76052 Monday – Friday 7 AM to 5 PM
1700 Brennan Ave Fort Worth, TX 76106 Monday – Friday 7 AM to 5 PM
Water
1608 11th Avenue Fort Worth, TX 76102 Monday – Friday 8 AM to 5 PM
ITB Ref. #: 25-0156 Doc. Ref#: ITB-06 Page 7 of 7
Park & Recreation
5189 James Avenue Fort Worth, TX 76115 Monday – Friday 7 AM to 2 PM
4.6 The Vendor shall not deliver the asphalt on City-observed holidays including:
4.6.1 New Year’s Day
4.6.2 Martin Luther King Jr. Day
4.6.3 Memorial Day
4.6.4 Juneteenth
4.6.5 July 4th
4.6.6 Labor Day
4.6.7 Thanksgiving Thursday and the following Friday
4.6.8 Christmas Day
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