Mayor Alex B. Morris William D. Fuqua, Superintendent

City of Holyoke Department of Public Works

INFRA-RED PAVEMENT REPAIR

SPECIFICATIONS

SCOPE

The work shall include the treatment of utility trench and other bituminous concrete patches to provide a permanent, uniform and durable patch matching the surface of the abutting pavement. The Work shall be performed by workmen skilled in the infra-red method, and with equipment and materials approved for use by the City Engineer prior to the start of Work. The following procedure shall be used:

CONSTRUCTION

  1. Adequately sweep the treatment area clean, and remove all loose and foreign material.
  2. Apply infrared heat to the patch area by carefully positioning an infra-red heater not to exceed 15,000 BTUs per square foot per hour for the period of time required to soften the pavement to a depth which will allow adequate raking of the asphalt without oxidation of the bitumen in the pavement material (minimum depth of 1”). The Contractor shall remove all unsuitable oxidized material and replace same with bituminous concrete.
  3. Introduce a suitable proven recycling agent additive amount as approved, to the softened area. Scarify to produce a uniform workable mix and re-grade the patch to a uniform grade and surface, and to match the abutting pavement.
  4. Add additional Class I bituminous concrete Type I-1 material as necessary. A supply of the material shall be kept on hand in an infrared storage unit at a constant temperature above 200 degrees F. No material with a temperature of less than 200 degrees F. shall be used in the Work.
  5. After the proper consistency of the paving material and recycling agent has been attained, the combined mixture shall be raked to the desired grade and compacted with a steel wheel roller of sufficient weight to achieve a uniform density comparable to that of the adjacent pavement.
  6. Seal the edges of the repaired patch with an approved penetrating liquid asphalt emulsion to develop a stronger, more durable bond. Uniformly distribute a compatible approved petroleum resin sealant, and broadcast an approved mineral filler over the entire patch area to absorb any excess liquid and to prevent tracking.

The Department of Public Works reserves the right to alter these specifications depending upon site conditions or as deemed necessary to ensure satisfactory restoration of the roadway.

63 CANAL STREET∙ HOLYOKEMASSACHUSETTS01040-5836

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