Layton, Model H-500C Tow Paver or Approved Equal to include the following minimum requirements: Height – 4' Length – 6' Width – 8' Weight (basic Machine) – 2700 lbs Hopper – flexible, 3 ton storage capacity Spread depth – 0" – 10" (four settings) Spread Width – 8' – 12' (2' adjustable extensions, both sides) Screed Plate – Bolt-on type, reversible, 360-400 brinell, 3/16" thickness Tensile strength – 190,000 psi, heat treated, abrasion resistant Two sets of dual tandem pneumatic rubber tires, size – 5.30 x 6 six ply mounted in line, walking beam mounted Heavy Duty alloy steel hitch arms, tapered roller bearings in rim rolls, roller thrust bearings in side rolls Central Hydraulic System – hydraulic hand pump (3-pistons) controls screed hoist, shutoff gate, hitch arms Hopper – Capacity – 3 tons Shut-off gate – coordinated double clam shell type with ¾" overlap Hooper opening: 13-1/2" Yanmar, Model Vi055-5B Mini Excavator or Approved Equal to include the following minimum requirements: 12,125 lb excavator equipped with cab, heat and a/c Rubber tracks 38.7 Horsepower 13' 8" digging depth 14' 5" dumping height Traveling speeds – two, 1.4 MPH and 2.8 MPH Swinging speed – 10.0 RPM Ground contact pressure not to exceed 4.3 PSI 18' 3" Overall length 6' 6" Max overall width 8' 7" max overall height 1' 2" min ground clearance 8' 7" min crawler track length 1' 4" track shoe width Minimum progressive 3 pump hydraulic – pump capacity (GPM) Pump 1: 10.6, Pump 2: 10.6, Pump 3: 10.6, Pump 4: 3.1 Main Relief Pressure Pumps 1-4: 3.553 PSI Min Hydraulic PTO output 21.3 GPM True zero tail swing – upper structure will rotate 360 degrees Without exceeding the crawler width Audible travel alarm Main Pin hydraulic thumb Extreme Duty 24" Bucket with 23 series teeth Codura Hose Covering Rear View Mirror Joy-Stick Operation Lever with Armrest Air-conditioning Suspension Seat Max. Noise Level: 81 DBA Hydraulic Pin Grab Quick Coupler Pattern Control Selector Valve ISO/SAE Control Patterns Overhead Windshield Storage Victas Offset Track System Better Balance Same width offset Track System Straight travel Function Removable Side Frame Covers Overhead Rock Guard Casting Iron Side Corner Protector Light built into boom instead of on the side Excavator Cab Light Cylinders all equipped with spring steel rod guards Reinforced angle dozer blade with bolt on cutting edge Optional Boom Mounted Hydraulic Impact Hammer, Allied Model 777 or approved equal A carrier mounted hydraulic hammer capable of 500-1700 blows per minute, operating in the 750 Ft. Lb, Energy class The hydraulic hammer shall come complete with: The correct top mounting plate with pins for attachment to the excavator Hydraulic hoses with flat-face couplers One (1) chisel demolition tool One (1) conical/moil demolition tool. To include the following minimum requirements: Hammer shall be designed with an integral pressure-adjusting valve allowing a Constant blow energy level separate from the hydraulic flow of the carrier Operating weight not to exceed 820 LBS Min Tool diameter of 3.15 Operating Pressure of 2,050 psi Hydraulic flow not to exceed 32 gpm Integrated one-piece tool bushing that includes thrust ring, upper and lower tool bushing and dust seal all in one. Tool Bushing to incorporate wear grooves for better lubrication and to easily measure wear Pivoting hose connecting block that can easily be changed for left or right hand pressure No tie rods for less maintenance and a higher power to weight ratio Piston and demolition tool shall be properly match to ensure maximum energy transfer Efficiency and optimum shock wave properties for breaking Enclosed power cell that resists bending forces and helps to reduce wear. Dampening pads that help reduce noise and vibration while helping to protect the power cell Minimum three year warranty shall be standard