PreProposal Conference Q A.docx

Pre-Proposal Conference- Butler Newell Gap Grinder 17 May 2012 Q1- What is the main focus of this requirement?

A1- The controller is the biggest part of the upgrade. The machine tends to have a mind of its own and weaves in and out. Most of this should be repaired by the controller. The bearings and headstocks are also a concern.

Q2- Can we take pictures of the machine?

A2- The engineer will take some photos and they will be dispursed to all interested vendors.

Q3- Are there drawings available?

A3- There are drawings available to the successful offeror. They are not in a format that can be distributed so they must be viewed on site.

Q4- How do we know how to bid on PWS paragraphs 3.12.1, 3.12.2 and 3.12.4 if they say “inspect, repair, or replace”? The cost difference is substantial.

A4- The requirement will be clarified. Please watch for an updated PWS to be posted.

Q5- The Controller mentioned in the PWS is no longer associated with GE.

A5- The PWS will be updated to reflect this change.

Q6- Will additional guarding be required?

A6- No

Q7- Is the requirement for Infeed motion of wheelslide shall include a quick approach to the work piece repeats accurately to grinding position (6 repetitions), fine infeed of 0.00005” or less in Appendix B accurate?

A7- This will be verified and update in the new version of the PWS.

Q8- Can the sizes of the motor’s be disclosed?

A8- Yes, They have been added to the PWS

Q9- Should the contractor replace the grinding wheel motor or just replace the drive?

A9-Just the Drive

Q10- Do the Headstock motor and drive need to be replaced?

A10-Yes

Q11- If the Headstock motor and drive are to be replaced is there any particluar brand required (like Fanuc)?

A11-No

Q12- Regarding sections 3.8 and 3.14 of the PWS, doyou want to replace the motor and the drive or just the drive for the wheel head? There is also a spec. on the wheel head speed to be 0-10,000. This speed may be a little fast the spindle may not be rated for that kind of speed.

A-12 Just a drive for the wheel spindle.

Q13- What are the motor sizes for the headstock and wheel head motors so the proper size can be made?

A13-The sizes have been put into the pws.