SOW_ROMO_Rebuild_I510599.docx

Rocky Mountain National Park - Request for Quote 140P1222Q0023 Rebuild Rotary Snow Blower Split Package 4000 Ton per hour Unit Model LMSP 3644-120 Serial #0306-2420 Engine Serial #RG6081H287862 Statement of Work

1. GENERAL:

A. RESPONSIBILITY: Other than those items identified here to be provided by the Government, the Contractor shall furnish all labor, management, supplies, equipment and material and do all things necessary to perform the work as set forth below.

The Contractor shall provide the Government all requested invoices, testing results and warranty documentation developed during the period of service.

During the prosecution of the work, the Contractor shall provide adequate professional supervision and quality control to assure the accuracy, quality, completeness and progress of the work.

B. QUALITY OF WORK:

· All work shall meet or exceed Original Equipment Manufacturers (OEM) specifications for fit, tolerance and craftsmanship.

· Where no specifications are available, the finished work shall be of a quality equal to that of a new unit.

· All work shall be fully guaranteed in both parts and labor for one year.

· Any leaks that may develop post 90 days of refurbishment delivery will become the owner’s responsibility.

· All parts installed shall be manufactured and/or sold by Kodiak America/Cummins -or suitable replacement or rebuilder Upon completion, rotary package shall be ready for installation and use.

All parts replaced shall be replaced with new, not previously used parts, or rebuilt to factory specs.

Blower Head:

· Provide complete inspection of head unit and rear engine structure. Repair any structural deficiencies.

· Install new or rebuilt hydraulic motor (retain old one for spare) Rexroth AA2FM180/180/61W-VSD527 or equivalent.

· Install all new hydraulic hoses and fittings, ensuring that hoses are routed in such a manner to avoid chaffing and pinching. Hoses are approximately 30 feet in length for cost estimating purposes. 2 ea., 2-inch 6000 psi rated, 1 ea., 1 ½ inch 6000 psi rated and one ¼ inch 6000 psi rated hose.

· Install new full-length chafe covers on all hydraulic hoses.

· Install new outer bearing assemblies on both sides of reels.

· Inspect and rebuild ribbon gear box as needed with new bearings, gears, and seals. Kodiak model 352CD.

· Inspect and rebuild volute gear box as needed with new bearings, gears, and seals. Kodiak model 352SD.

· Provide new ½ diameter shear bolt holes in ribbon drive flanges.

· Rebuild cutting edge moldboard and install new cutting edge and hardware.

· Install new driveshaft from front gearbox to volute drive. (Retain old one for spare)

· Install new driveshaft from hydraulic motor to volute gear box. (Retain old one for spare)

· Remove and inspect impeller assembly to include paddles, hardware, and bearings. Repair or rebuild as necessary.

· Inspect and rebuild or replace volute directional cylinder.

· Remove and inspect volute impellers for cracks and damage, repair or replace as needed. Replace all hardware with new.

· Inspect ribbons for cracks or damage and repair as needed. Ribbons are 48-inch. Replace all hardware with new.

· Provide new rear shoe assembly on both sides of blower head. Jacking unit shall be fixed to the frame with a hand crank handle for ease of operator adjustment. The shoe’s wear portion shall be of a round commercially available wear pad attached with recessed head bolts.

· Install new 6000 psi gauge for operating pressure indication. Note, gauge must be liquid filled and of brass construction

· Install new charge pressure gauge. Gauge must be liquid filled brass construction.

· Replace inner wear ring on volute chute.

· Fill gear boxes with appropriate lubricant.

· Flush and rebuild hydraulic oil cooler.

· Fill system with manufacturer specified hydraulic oil. NO BIO.

· Clean, prime and paint head unit JD yellow.

· Note: if possible, at the beginning of the project have the fuel level at less than ¼ tank, but enough for testing run time prior to disassembly.

Rear Engine and Compartment: Cummins QSX 15

· Pull engine trouble codes and diagnose and repair as needed.

· Diagnose and repair any fluid or combustion gas leaks.

· Install all new coolant hoses, clamps, thermostat and coolant.

· Install new engine cooling fan. Do not use original OE part number, a different fan was installed to reverse direction and blow snow out of the coolers.

· Install new serpentine belt.

· Perform engine valve adjustment as required, replacing valve cover gasket.

· Replace all rubber engine isolators with new.

· Replace or rebuild engine aftercooler as needed.

· Replace all engine aftercooler silicone hoses and clamps with new.

· Replace rear engine compartment door with a new swing out door(s) that would be stronger and more resilient, including a better latching system. Example photo included.

· Replace or repair side door. Install new door struts. Provide new improved latching system. Provide angle iron wedge guard on rear of machine to prevent snow from entering between door and frame when backing next to snow drifts.

· Repair roof sheet metal and brace the interior of the engine house.

· Provide improved edge guard on sharp edges around hydraulic hose exit from engine compartment.

· Install new or rebuild as necessary Rexroth hydraulic pump AA4VG180HWDL1/3R or equivalent

· Replace engine to pump coupler with new.

· Test and replace as needed all engine or hydraulic related electrical sensors and switches.

· Clean and inspect engine and hydraulic components for leaks. Repair as needed. No leaks of any kind will be accepted.

· Inspect and repair or replace as needed all engine and hydraulic wiring components.

· Confirm operation of ECM and re-flash with updates as needed

· Replace all fuel, oil, hydraulic and air filters. Change engine oil with manufacturer specified oil.

· Replace hydraulic oil with manufacturer specified oil. NO BIO.

· Replace all rear turn and stop lamps with new LED style lamps and provide new wiring harness for rear lights.

· Thoroughly clean, prime and paint rear engine assembly JD yellow.

Blower controls:

· Ensure all gauges, warning lights, and switches are functioning properly and repair or replace as needed.

Transportation

· Unit will be fully operational and assembled on a park supplied 644J Wheel Loader when delivered for testing and hose routing purposes. Once at repair facility, unit may need to be removed from loader for repair operations.

Rocky Mountain National Park, 1000 Hwy 36, Estes Park, CO 80517, shall provide delivery of equipment to manufacturer’s repair facility within 100 miles of our shop. Any location outside of the 100-mile radius must provide for pickup and delivery of the equipment.

3. Period of performance Repairs must be completed between July 1, 2022 and December 31, 2022.

Data Plate Engine, Front View

Engine, Rear View

Hydraulic Motor New Style Door Example of new style door, closed

Ribbons

Hoses

Oil Cooler Housing

Old style door

Pump and hydraulic tank

Rear of head RH view

Old style shoe mount Pump housing door Rear of head, LH view

View of engine compartment, rear Request for Quote 140P1222Q0023 image1.jpeg image2.jpeg image3.jpeg image4.jpeg image5.jpg image6.jpg image7.jpeg image8.jpg image9.jpeg image10.jpeg image11.jpeg image12.jpeg image13.jpeg image14.jpeg image15.jpg image16.jpeg