Winch Procurement Questions Answers.docx

Answers to Winch Procurement Questions 04 June, 2021

1. What is the required delivery?

Required delivery is 16 weeks after contract award.

2. Do you have the mounting drawing for the winch? How will it be attached?

There is no mounting drawing. The winch will set upon a platform of ½ inch thick steel and the platform will have pad eyes sufficient to connect to the winch after the winch is received. The lower winch frame shall have two pad eyes on each of its four sides or shall have two Swivel Hoist Bolt attachment points on each of its four sides which will have sufficient capacity to secure the winch at full load when using any four of the attachment points either fore and aft or on both of the sides.

3. What are the winch braking requirements?

When in hauling or paying out a cable on the bare winch drum and while at 8,000 LB load, the winch shall come to a stop when the controls are moved to the neutral position and stop the loaded winch cable within 2 feet of travel. This may be done with the motor/gearing of the winch and may not require a separate brake. Otherwise, a brake is required. The stopped winch must be capable of holding the 8,000 LB load. The drum must have a feature that allows the winch drum to be disengaged from the motor/gearing machinery such that the drum may be free wheeled/spinning when disengaged. The free wheeled/spinning drum is not required to have a brake.

4. Will sandblasting be required due to the marine environment?

Parts to be painted such as the winch frame and manufactured braces and brackets should be cleaned to bare metal before painting. Weld spatter must also be removed. This cleaning may be performed by sand blasting or other appropriate abrasive methods to achieve good workmanship.

5. Any maximum or minimum size requirements for the base of winch? Any height limits?

The maximum fore and aft length in line with the drum is 5.5 feet. The maximum side width is 5 feet.

The maximum height is 4.5 ft.

6. Required accuracy of line pull tension?

When using cable to provide the load, the accuracy of the pull tension indication shall be within plus/minus 1%. A running line load Indicator may be used and should not exceed four feet in located distance from the frame of the winch.

7. How will the unit be used, any fleet angle issues or requirements?

The winch will be used in horizontal line pull fashion with a maximum required fleet angle of plus/minus 10 degrees.