924 COLD PATCH MATERIAL
- Cold Patch Material is a high performance asphalt patching material used to repair potholes, deteriorated concrete, and asphalt pavement in all seasons. The material shall be capable of making permanent repairs with minimal effort and with minimal affect on traffic.
- Cold Patch Material is produced by an approved manufacturer using specially formulated binders. The material may be produced in bulk and stockpiled or packaged in buckets or bags weighing 40 to 50 lbs or packaged as approved. Select from the Qualified Products List (QPL).
Aggregates M29 T11 T2 Binder D244 D402 T 59 T 78
- 924.02.01 Binder. Binder shall provide aggregate coverage per TP 40. No additives, modifiers, or extra ingredients are to be introduced into the liquid oil blend after shipment. Binder shall meet a maximum of 0.1 percent volume by weight of the original sample when tested to 500 F (260 degrees C) per T 59 or, the binder shall contain no more than 6.0 milliliters of oil distillate when tested per D244, D402 or T 78, depending on the type of binder used. The residual binder content shall be a minimum of 5 percent of the mix.
924.03 MIX PERFORMANCE REQUIREMENTS.
- Cold Patch Material patches shall remain in place when paved over and shall not adversely affect the final surface. The material shall not require primer or tack and shall be compatible with asphalt and/or concrete at a minimum thickness of 1/2 inch. The material must be capable of filling potholes in wet or dry conditions in ambient temperatures as low as to 5 F and up to 100 F.
- The material shall permanently adhere to deteriorated concrete or bituminous pavement until the surrounding pavement fails. Removal shall not be required when the surface is overlaid with asphalt. Replace actual volumes used at no additional cost if the patch material fails to perform as certified.
- 924.03.01 Storage. Cold Patch Material furnished in bags or containers shall be stored in accordance with the manufacturer’s recommendations. The material may also be furnished from stockpiled material that has been stored outside, uncovered, without drying or clumping. The stockpile shall not leach or strip. A product guarantee is required stating that the material remains workable in an uncovered stockpile of 100 tons or more for a period of not less than twelve months.
- 924.03.02 Usage. Cold Patch Material shall be uniformly mixed and require no mixing prior to use. The material shall be capable of being poured or shoveled into a hole. The material shall require minimal pothole preparation consisting of removing water and debris from the pothole. The material shall be capable of displacing any water remaining in the hole. The material shall be placed and compacted in accordance with the manufacturer’s recommendations. The material shall not ravel nor adhere to tires when opened to traffic.
- 924.03.03 Quality Control Plan. Provide a Quality Control Plan (QCP) that includes the following:
- (a) Description of Material.
- (b) Contact Personnel.
- (c) Safety Data Sheets (SDS).
- (d) Technical Data Sheets, including VOC content.
- (e) Job Mix Formula.
- (f) Quality Control Material Sampling Process.
- (g) Storage Requirements.
- The QCP shall also state that if a test result indicates that a shipment is not in compliance with specifications, the following shall apply.
- (a) Immediately notify the AdministrationShall mean any one of the Administrations within the Maryland Department of Transportation, as listed in GP 1.02. of the shipment in question,
- (b) Identify the material,
- (c) Cease shipment until material complies with specifications;
- (d) Notify the AdministrationShall mean any one of the Administrations within the Maryland Department of Transportation, as listed in GP 1.02. prior to resuming shipment, and
- (e) Implement any mutually agreed upon procedures for the disposition of the material.
- In the event a mutual agreement is not obtained, the AdministrationShall mean any one of the Administrations within the Maryland Department of Transportation, as listed in GP 1.02. shall have final authority in the decision on specification compliance.
- Provide certification that the material meets requirements per TC-1.03 and the following:
- (a) A guarantee the material conforms to the Materials, Binder, Mix Performance and Storage requirements and COMARCode of Maryland Regulations environmental regulations.
- (b) Employ an unaffiliated AASHTOAmerican Association of State Highway and Transportation Officials-accredited laboratory to perform all testing for certification.
- Non-conforming materials will be rejected whether in-place or not, as determined. Remove all inventory on hand that fails to meet requirements and replace at no additional cost. Cold Patch Material that consistently fails to meet requirements will be removed from the QPLQualified Products List Award—The decision by a procurement agency to execute a purchase agreement or Contract after all necessary approvals have been obtained..
SPECIAL PROVISION INSERTS
The following Special Provision Inserts update Section 924 after the official publication of the Standard SpecificationA written description of functional characteristics, or the nature of a construction item to be procured. It may include a. Updated documents may be found within the Standard and Supplemental Specifications for Construction and Materials on the MDOTMaryland Department of Transportation SHA web page.
- SPI-Section 924-Cold Patch Materials. Dated 12/20/2017.