469 A mechanical belt placer, if used, sha ll have a re-combini ng deflector plate mounted on the end of the discharge belt.
4.Vibrators Hand spud vibrators shall be capable of transmitting 7,000 to 10,800 impulses per minute in air. The diameter of th e head shall be 1 1/4 to 2 1/2 in.
508.05 Curing
Mechanical equipment shall be self-supported and ride on wheels or tracks located outside the paving lane. The mechanical sprayer shall be capable of applying a 210 continuous uniform film at a minimum rate of 1 gal./150 sq ft and shall be of the fully atomizing type. The equipment shall provide adequate agitation of the compound during application. Hand spraying equipment shall be of the fully atomizing type.
508.06 Texturing Equipment
Mechanical texturing equipment shall be capable of forming transverse grooves of uniform depth and alignment in the plastic PCCP, without tearing the surface. The texturing comb shall have steel tines spaced as specified. 220 Hand tools consisting of fluted floats, rakes with spring steel tines, or finned floats with a single row of fins shall produce grooves which conform to the same requirements as those specified for the grooves formed by the mechanical equipment.
508.07 Sawing Equipment
Sawing equipment shall be self-propelled single or gang-mounted units. The saw shall be capable of maintaining the specified alignment and depth of cut without damaging the PCCP. 230
508.08 Miscellaneous Equipment
a.Hand Tools Long handled floats used to smooth and fill in open texture areas in the pavement shall have blades no less than 5 ft in length and 6 in. in width. Equipment made of or coated with aluminum or aluminum alloys shall not be used. Straightedges shall be 10 ft in length and mounted on a long handle. The handle shall be 3 ft longer than 1/2 of the width of the pavement being placed.
b.Joint Sealing Joint sealant material shall be installed using manufacturer’s recommended equipment. Air compressors shall be capable of producing a minimum air pressure of 80 psi. 508.08 470 Water blasting equipment shall be ca pable of operating at 1,500 psi without damaging the PCCP.
c.Grinding 250 Grinding shall be completed by mechanical grinding equipment using diamond tipped saw blades mounted on a power driven, self-propelled machine containing transverse and longitudinal grade controls. The cutting head shall be no less than 36 in. wide to produce a uniform texture per the full width of the cutting head shaft. The pavement surface after cutting shall have a uniform texture but shall not be smooth or polished. Tearing or dislodging of aggregates will not be allowed.
508.09 Testing Facility and Equipment
a.Testing Facility The testing facility shall be capable of maintaining a controlled curing environment in accordance with AASHTO T 23 and contain sufficient storage tanks with curing solution to cure both production control and acceptance test beams. Water shall be conveniently available for cleaning testing equipment and for serving other tasks at the facility. Office space, having suitable heat and air conditioning, shall be provided to the Department within the testing facility. A telephone shall be provided in the testing f acility. Floor space shall be provided for a Department furnished beam breaker. 270 A current set of AASHTO’s Standard Specifications for Transportation Materials and Methods of Sampling and Testing, Part 2 Tests, and ASTM C173 shall be provided. (b) Testing Equipment Testing equipment shall be provided to perform production control testing and shall be maintained in suit able working order. The equi pment shall be in accordance with AASHTO requirements where applicable. The Contractor shall provide a spud vibrator with power source in suitable working order. 280
c.Inertial Profiler The inertial profiler shall be in accordance with ITM 917.
Source: Indiana Standard Specifications, 2024 Edition. Pages 467–469 of 1,248.