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ATTACHMENT 1 - SPECIFICATION # C10-0070UBR.23
Request for Proposal (RFP) No. 230000002220 Inspect and Rebuild an Under Bridge Inspection Unit
Bidder must complete the below table indicating “Yes” in the Response column for each item that is included in the quoted price.
If any specifications and/or requirements listed are not available from the manufacturer, the Bidder must identify the appropriate substitution in the Response column.
If the Bidder proposes an alternate to any listed specifications, the Bidder must clearly describe all variances from the specifications and the proposal must include descriptive literature that contains complete specifications.
Specifications for a 12-year inspection and rebuild of MDOT Truck 04-1708 – Under Bridge Inspection Unit mounted on Peterbilt chassis.
(Indicate Yes or provide Alternate information)
| 1.0 |
| Inspection and Reporting |
| 1.1 |
| Perform visual/operation inspection |
| 1.2 |
| Test control and intercom system to manufacturer’s standards |
| 1.3 |
| Test operational limit system to manufacturer’s standard |
| 1.4 |
| Visually inspect hydraulic cylinders for leaks and damage. Perform boom cylinder drift test to manufacturer's standards |
| 1.5 |
| Inspect chassis lighting components |
| 1.6 |
| Inspect counterweight ball screw, including motor and wear pads |
| 2.0 |
| Chassis and Sub-frame: |
| 2.1 |
| Inspect units sub-frame and chassis frame |
| 2.2 |
| Replace deck side marker and rear lighting wiring |
| 2.3 |
| Torque sub-frame mounting bolts |
| 2.4 |
| Repair/replace access step and grab rails as needed |
| 2.5 |
| Inspect master panel in truck and replace defective lights or switches as needed |
| 2.6 |
| Ensure proper circuit breaker relay protection is installed between truck battery and unit |
| 2.7 |
| Replace front and rear springs if needed |
| 3.1 |
| Remove upper side plates, jaws, and pin rollers, bushings and lower axle lock assemblies |
| 3.2 |
| Make required repairs |
| 3.3 |
| Sand blast, perform magnetic particle test |
| 3.4 |
| Repaint axle lock assemblies |
| 3.5 |
| Install new bolts, nuts and structural fasteners to manufacturer’s standards |
| 3.6 |
| Install new pins and rollers |
| 3.7 |
| Install new limit switches |
| 3.8 |
| Adjust clearance to manufacturer’s standards |
| 4.1 |
| Remove pins and bushings |
| 4.2 |
| Replace spherical ball bushings as needed |
| 4.3 |
| Replace upper yoke weldment |
| 4.4 |
| Make required repairs as needed |
| 4.5 |
| Sand blast, perform magnetic particle test |
| 4.6 |
| Repaint axle lock assemblies |
| 4.7 |
| Install new bolts, nuts and structural fasteners to manufacturer’s standards |
| 4.8 |
| Install new pins and rollers |
| 4.9 |
| Install new limit switches |
| 4.10 |
| Adjust clearance to manufacturer’s standards |
| 5.0 |
| Sliding Counterweight: |
| 5.1 |
| Remove counterweight and inspect components |
| 5.2 |
| Upgrade rear sliding counterweight to cylinder/chain drive |
| 6.0 |
| Turntables (T-1 and T-2): |
| 6.1 |
| Remove paint to bare metal (white metal) and non-destructive test (NDT) |
| 6.2 |
| Perform structural repairs per NDT test results |
| 6.3 |
| All repairs must be non-destructively tested |
| 6.4 |
| Remove pins and bushings |
| 6.5 |
| Measure the pin bosses with a micrometer |
| 6.6 |
| Pin bosses found to have a tolerance greater than 0.12" must be removed and replaced |
| 6.7 |
| Paint inside and outside of components |
| 6.8 |
| Unit to be reassembled with all new fasteners |
| 6.9 |
| Install new hoses, wires, clamps and protection |
| 6.10 |
| Install new limit switches |
| 6.11 |
| Perform service test on rotational bearings |
| 6.12 |
| Replace both rotation gearboxes and hydraulic motors with current design |
| 6.13 |
| Inspect turret cylinder # 2 and repair as needed |
| 7.1 |
| Remove pins and bushings |
| 7.2 |
| Measure the pin bosses with a micrometer |
| 7.3 |
| Pin bosses found to have a tolerance greater than 0.12" must be removed and replaced |
| 7.4 |
| Remove paint to bare metal (white metal) and non-destructive test (NDT) |
| 7.5 |
| Perform structural repairs per NDT test results |
| 7.6 |
| All repairs must be non-destructively tested |
| 7.7 |
| Paint inside and outside of components |
| 7.8 |
| Install new pins and bushings |
| 7.9 |
| Unit to be reassembled with all new fasteners |
| 7.10 |
| Install new hoses, wires, clamps and protection |
| 7.11 |
| Install new limit switches |
| 7.12 |
| Inspect boom cylinder #1 and repair as needed |
| 8.1 |
| Remove pins and bushings |
| 8.2 |
| Measure the pin bosses with a micrometer |
| 8.3 |
| Pin bosses found to have a tolerance greater than 0.12" must be removed and replaced |
| 8.4 |
| Remove paint to bare metal (white metal) and non-destructive test (NDT) |
| 8.5 |
| Perform structural repairs per NDT test results |
| 8.6 |
| All repairs must be non-destructively tested |
| 8.7 |
| Paint inside and outside of components |
| 8.8 |
| Install new pins and bushings in cylinders |
| 8.9 |
| Unit to be reassembled with all new fasteners |
| 8.10 |
| Install new hoses, wires, clamps and protection |
| 8.11 |
| Install new limit switches and new boom angle switches |
| 8.12 |
| Inspect boom cylinder #2 and repair as needed |
| 9.0 |
| Boom Three and Catrac: |
| 9.1 |
| Install new rollers and bearings on boom three extension structures |
| 9.2 |
| Install extension cylinder mounting system |
| 9.3 |
| Remove pins and bushings |
| 9.4 |
| Measure the pin bosses with a micrometer |
| 9.5 |
| Pin bosses found to have a tolerance greater than 0.12" must be removed and replaced |
| 9.6 |
| Remove paint to bare metal (white metal) and non-destructive test (NDT) |
| 9.7 |
| Perform structural repairs per NDT test results |
| 9.8 |
| All repairs must be non-destructively tested |
| 9.9 |
| Paint inside and outside of components |
| 9.10 |
| Install new pins and bushings |
| 9.11 |
| Unit to be reassembled with all new fasteners |
| 9.12 |
| Install new hoses, wires, clamps and protection |
| 9.13 |
| Install new limit switches and new boom angle switches (non-mercury) |
| 9.15 |
| Inspect Catrac and cover and repair as needed |
| 9.16 |
| Inspect boom cylinder #3 and telescoping cylinders and repair as needed |
| 10.1 |
| Remove pins and bushings |
| 10.2 |
| Measure the pin bosses with a micrometer |
| 10.3 |
| Pin bosses found to have a tolerance greater than 0.12" must be removed and replaced |
| 10.4 |
| Remove paint to bare metal (white metal) and non-destructive test (NDT) |
| 10.5 |
| Perform structural repairs per NDT test results |
| 10.6 |
| All repairs must be non-destructively tested |
| 10.7 |
| Paint inside and outside of components |
| 10.8 |
| Install new pins and bushings in cylinders |
| 10.9 |
| Unit to be reassembled with all new fasteners |
| 10.10 |
| Install new hoses, wires, clamps and protection |
| 10.1 |
| Install new limit switches and new boom angle switches |
| 10.1 |
| Inspect Catrac and cover and repair as needed |
| 10.1 |
| Inspect boom cylinder #4 and telescoping cylinders and repair as needed |
| 11.1 |
| Platform will be inspected and refurbished |
| 11.2 |
| Install new 110 and 12-volt outlets and wiring system |
| 11.3 |
| Install new grade 8 mounting bolts |
| 11.4 |
| Install new 3/4 inch fall protection points |
| 11.5 |
| Rebuild or replace Helac rotator |
| 11.6 |
| Inspect leveling cylinder and repair as needed |
| 12.1 |
| Install new stow pads |
| 12.2 |
| Install new platform rest pads and update rest as necessary |
| 13.0 |
| Control and Limit System: |
| 13.1 |
| All wires shall be replaced through booms and turntables |
| 13.2 |
| System wiring is located at the fire wall and boom areas will be relocated in a new LED box, mounted at turntable one |
| 13.3 |
| Unit shall have all new limit switches and foot switches installed |
| 13.4 |
| Install new CAN line cables |
| 13.5 |
| Controls shall be properly adjusted and settings recorded |
| 13.6 |
| New circuit breaker and relay protection shall be installed |
| 14.0 |
| Hydraulic system and pumps: |
| 14.1 |
| Remove and replace hydraulic pumps |
| 14.2 |
| Install new PTO for main unit hydraulic pump |
| 14.3 |
| Install new hydraulic filters and oil |
| 14.4 |
| Main valve replacement or rebuild and reseal as needed |
| 14.6 |
| Set all port relief valves |
| 14.7 |
| Set all controls to current factory settings |
| 14.8 |
| Replace hydraulic oil cooler |
| 15.1 |
| Stability test unit to current ANSI A92.8 requirements |
| 15.2 |
| Install counterweight at T-1 or at rear, if needed, to meet ANSI standard for stability |
| 15.3 |
| Operational test run unit on bridge |
| 16.1 |
| All items removed from the cab, chassis and tower by Contractor (frame ends, fuel tanks mirrors, etc.) remain the property of the State of Michigan and are to be returned with the truck |
| 16.2 |
| All wires passing through holes in metal or non-metal wearing surfaces, which could cause wear of the insulation, shall be adequately protected by rubber or plastic grommets, and/or non-metal conduit. |
| 16.3 |
| Ends of all wires shall be adequately anchored to prevent loosening |
| 16.4 |
| All electrical connections shall be soldered and enclosed in heat shrink or in watertight junction blocks |
| 16.5 |
| Scotch locks and wire nuts are not acceptable |
| 17.1 |
| Repaint boom assemblies to match original color - Dupont 43106X or equivalent |
| 17.2 |
| Repaint deck as needed |
| 17.3 |
| Rust proof as needed |
| 18.1 |
| Install protective sleeves over hydraulic hose and electrical wire at pivot points |
| 18.2 |
| Install a complete set of operational caution and warning decals |
| 18.3 |
| Test all AC and DC electrical systems |
| 18.4 |
| Operational test of all systems |
| 18.5 |
| Final adjustments to all system and components |