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ATTACHMENT 1 – Product Specifications Request For Proposal No. 240000002755 Underbridge Inspection Platform; Trailer Mounted All items specified and furnished by the Contractor shall be new, shall be of the latest model in current production, and shall include all standard features normally offered with these models.
Referenced make/model is Anderson UnderBridge HP35. Bidder may offer alternate make/model or exceptions to the specifications. If offering an alternate, product literature for the make/model offered must be provided with bid response.
Bidder’s Response: Indicate offered Trailer Mounted Underbridge Inspection Platform:
Make:
Model:
RFP 240000002755, Attachment 1 2 Bidder must respond to each section with YES or NO (or enter additional information as requested). If NO is indicated, provide explanation and available option.
Bidder’s Response
Specifications
| 1. |
| Empty Weight of Unit shall not exceed 18,900 pounds. |
| 2. |
| Width of Unit shall not exceed 8’ 4” when stowed. |
| 3. |
| Length of Unit shall not exceed 31’ 6” when stowed. |
| 4. |
| Height of Unit (in transport position) shall not exceed 11’ when stowed. |
| 5. |
| Platform shall have a minimum length of 35’. |
| 6. |
| Platform shall have a minimum width of 31”. |
| 7. |
| Platform shall be capable of rotating a maximum of 180° underneath the bridge. |
| 8. |
| Platform shall have a minimum drop depth of 17’ 6”. |
| 9. |
| Platform shall have a maximum capacity of 1,000 pounds evenly distributed on the platform. |
| 10. |
| The Unit shall operate at a maximum 4.5° (7.8%) Grade and at a maximum 5° (8.75%) Super Elevation. |
| 11. |
| Platform shall have a load sensing system to prevent platform overloads. |
| 12. |
| Access to the platform shall be by ladder in a fully enclosed tower. |
| 13. |
| The vertical tower shall have a maximum 5° over center working capability. |
| 14. |
| The tower shall have a tower separation system that allows the tower to be adjusted in or out to clear pedestrian sidewalks or wide bridge railings. |
| 15. |
| The tower separation width shall be a minimum of 5’ 6”. |
| 16. |
| The Unit shall have an access walkway from the trailer chassis to the vertical tower that is horizontal and shall stay in that position regardless of the position of the tower separation system. |
| 17. |
| The crossover height clearance shall be a minimum of 6’ 1”. |
| 18. |
| All walkways on the Unit shall be manufactured with a minimum of 0.13-inch tread plate. |
| 19. |
| The proportional hydraulic system shall be designed to properly operate and propel the unit safely and effectively. |
| 20. |
| The hydraulic functions shall include at a minimum: erecting/deploying functions, outrigger functions (drive functions), lowering/raising of the platform, rotation of the platform, and telescoping of the platform. |
| 21. |
| The hydraulic components shall meet applicable requirements including JIC standards. |
| 22. |
| The hydraulic cylinders used for erecting/deploying the Unit and for raising and lowering the platform shall have counterbalance valves (safety locking valves). |
| 23. |
| The platform shall have standard outriggers that operate hydraulically. |
| 24. |
| The hydraulic system shall be powered by an electric start gas engine with minimum 18-horsepower. |
| 25. |
| The Unit shall have an auxiliary 5 HP gas engine that acts as an emergency back-up to the main engine. |
| 26. |
| The Unit shall have three sets of two-handed type control devices for the operation of the unit functions: one located at the main control station, one wireless, and one located on the platform. The main control panel can override the platform panel. |
| 27. |
| The Unit shall have air, water, and electric (110V/220V) connections to the platform. |
| 28. |
| The Unit shall have an emergency stop switch/button located at each control station. |
| 29. |
| The controls to erect/deploy the Unit shall be located at the main control station. |
| 30. |
| The trailer shall have three torsion bar axles with a minimum capacity of 6,000 pounds each. |
| 31. |
| The trailer shall have six wheels and tires with the appropriate capacity rating. |
| 32. |
| The Unit shall be equipped with electric brakes and with parking brakes on two axles. |
| 33. |
| A battery, battery charger and breakaway switch shall be furnished. |
| 34. |
| The tow hitch shall have a minimum 25,000 pound rating. |
| 35. |
| A seven flat prong electrical connector (SAE J560) for use on units with anti-lock brake with a power cable that extends four feet ahead of lunette eye shall be provided. |
| 36. |
| The Unit shall deploy within a 12’ traffic lane and within a time under 6 minutes |
| 37. |
| The Unit shall be equipped with the manufacturer's standard voice activated communication system. The system shall transmit and receive between the platform and the main control panel and be free from outside interference |
| 38. |
| The Unit shall be equipped with a Telemetry system. |
a) The Telemetry system shall include GPS for tracking unit location.
b) The Telemetry system shall include features that can log unit info (run hours, hydraulic pressure, etc.) for service interval tracking and unit diagnostics/troubleshooting.
| 39. |
| The Unit shall be tested, certified for quality, and comply with applicable ANSI regulations. |
| 40. |
| The Unit shall be equipped with a CAN bus System. |
a) CAN bus display and controllers communicate via CAN open protocol.
b) CAN bus keypad and controllers communicate via J1939 protocol.
c) CAN open and J1939 buses operate at a baud rate of 250 Kbits/s.
| 41. |
| The Unit shall be painted a color complying with the color sample furnished to the Contractor by MDOT following contract award. |
Options
| 1. |
| Elevated scaffold that can be attached to the steel or aluminum platform rails to provide an elevated platform for a single occupant. |
| 2. |
| Platform live streaming camera with main panel display located at the main control station |
| 3. |
| Platform LED light package with 1,000 watt Honda generator. LED lights shall be installed so the platform has full visibility in low light or at night. |
| 4. |
| Parts kits containing valves, switches, sensors, grease, and preventative maintenance supplies. |
| 5. |
| Tool kit containing basic hand tools, wrenches, sockets, and multimeter |
END OF SPECIFICATION