Questions and Answers W911XK20R0020.pdf

Solicitation Issued Solicitation # W91XK-20-R-0020

MacArthur Lock Tainter Valve Machinery Replacement

Number

Date/Time Received in

Outlook (Govt Exchange

Server)

Question Answer Initials of Responda nt

Date/Time Answered

1 6/10/2020 Will it be required for the Contractor to provide access to the lock floor with a scaffold stairway, or will existing access routes be available for Contractor use?

Contractor will provide their own access to the lock floor.

JAH 15-Jun-20

2 6/10/2020

Could detail reference drawings of monoliths 33N and 34N that are similar to reference drawing D1-17-1 be provided?

Reference drawing D1-46-2, already included in the drawing package, includes details of monolith 33N.

Drawing D1-14-6 includes monolith 34N, and will be included in the contract drawing package.

Drawing DC-79-70 includes monolith 33N and 34N, and will be included in the contract drawing package.

IPD 16-Jun-20

3 6/10/2020

Specification 35 01 41.00 10 section 2.2 Design Criteria:

We request clarification / verification that the following design criteria is correct.

The design criteria has been verified.

IPD 17-Jun-20

4 6/11/2020

There are a few items originally specified as cast steel on the reference drawing set, and are now specified as forgings. Can we supply either?

a. 28/7-3 Strut Arm Shaft Bearing

Section 2.5 (page 253 of 285) of the Specifications.

b. 28/7-7 Bearing Cap

Section 2.5 (page 253 of 285) of the Specifications.

c. 28/8-6 Strut Connection

Section 2.14 (page 256 of 285) of the Specifications.

Equipment must be manufactured according to specifications.

JAH 15-Jun-20

5 6/11/2020

We are looking for clarification regarding the AGMA section for the gears & pinions. The open gears list an AGMA Standard of AGMA 11, while the Speed Reducer lists an AGMA Standard of AGMA 8. Is AGMA 11 necessary for the open gears?

a. 2.11 Open Spur Gears (page 255 of 283) of the specifications

2.11.1 Gearing

Make all spur gearing from high strength alloy steel that is hardened with subsequent quenching and tempering to produce a through hardened gear.

Grind the gears after gear cutting to achieve a minimum ANSI/AGMA Quality 11 in accordance with AGMA 2015/915-1. Integrally cut the pinions on the pinion shaft.

Make keys of ASTM A108, UNS G10180 (ASTM A1018/A1018M), keystock.

Certified material test results for the drive pinion and drive pinion shaft are required.

b. 2.4 Speed Reducer (page 251 of 183) of the specifications.

2.4.2 Gearing

Provide helical gearing made from high strength alloy steel that is hardened with subsequent quenching and tempering to produce a hardened gear. Grind the gears after gear cutting to achieve a minimum ANSI/AGMA 8 Quality in accordance with AGMA 2015/915-1. Integrally cut the helical pinions on the pinion shaft.

Yes. AGMA 11 is necessary for the open gears

IPD 16-Jun-20

6 6/16/2020 On page 10 of the RFP it states that the font size must be 10 pt or larger and on page 21 it states that the font must be 12. For clarification purposes can you please let us know what the font size should be?

The font size must be 10 pt or larger. ESM 17-Jun-20

7 6/17/2020

We have completed numerous similar projects in the past five years that we are considering for project references. We have also completed a project nearly identical in scope. Unfortunately we completed this project more than 6 years ago.

Can we submit this project for one of the allowed five project references for consideration with this proposal?

All submittals must be in accordance with the solicitation.

ESM 22-Jun-20

8 6/18/2020 Section 52.211-10 of the solicitation states that the notice to proceed will be issued by 09/03/2020 and work shall be completed by 04/07/2022. Is this correct? When would construction operation begin on site?

According to specifications section 01 35 13, paragraph 1.5.2.1a, "The Government will complete dewatering and allow the Contractor access to the lock chamber on December 22, 2021."

IPD 23-Jun-20

9 6/18/2020 Is lead paint to be expected on the existing mechanical drive system (gears, weldments, etc.)? Yes, lead based paint should be expected IPD 23-Jun-20

10 6/18/2020 Will retainage be required?

The Government reserves the right to implement the use retainage on progress payments as outlined in FAR 52.232-5 Payments under Fixed- Price Construction Contracts.

KEC 1-Jul-20

11 6/22/2020

Could equipment restrictions (weight limit, location) be provided, if any, for all project work sites, and specifically in the area of underground fuel tanks located near the Stretcher Building and underground coal bins located between the Stretcher Building and Administration Building?

Drawing G-104 has been amended to include load restrictions. IPD 1-Jul-20

12 6/22/2020 Is removal and replacement of steam lines in the work area allowed for performance of required work?

Assume that no utilities or systems can be disturbed and all proposed disruptions must be coordinated and approved by the Contracting Officer or Contracting Officer Representative.

IPD 23-Jun-20

13 6/22/2020 Is temporary removal and/or relocation and replacement of utilities, such as electrical items and cable trays, allowed for performance of the required work?

Are there any restrictions?

Assume that no utilities or systems can be disturbed and all proposed disruptions must be coordinated and approved by the Contracting Officer or Contracting Officer Representative.

IPD 23-Jun-20

14 6/22/2020 What type of grease and oil is presently used in the existing lubrication systems?

Current grease: Premalube Red #2.

Sector Gear Grease: Whitmore's Handi-Lub (asphalt based EP grease) Current enlcosed gear lubricant: AGMA 13EP viscosity Current Gear Oil: AGMA 5/ISO 220 viscosity

IPD 23-Jun-20

15 6/22/2020

Can you extend the question due date by two days? We will not be able to visit the project site until 6/24 and could have potential questions after the visit.

This is a resolicit for W911XK19R0026 that was published 28 February 2020 and closed on 07 April 2020, which was subsequently canceled and a pre-solicitation notice issued and the updated solicitation issued on 08 June 2020. There are no substantial revisions to the solicitation from the previous one, except the timeline and updates generated by the previous Questions and Answers. The Government will not consider extending the Request for Information period or Solicitation period.

ESM 24-Jun-20

June 8, 2020 Questions Close June 23, 2020

16 6/22/2020

Is the intent of the solicitation to use union work forces for millwrights? The specification requirements in 35 01 40 are for union workers. Non-union workers are not allowed to get these qualification cards or certificates, we have called the Local 1102 and confirmed this with them also.

An amendment will be issued to clarify discrepancies. SD-07 of 35 01

41.00 10 will be changed to match paragraph 1.3.2 where meeting at least one qualification will satisfy requirements.

JAH 29-Jun-20

17 6/22/2020 Can you please point out the intended wage classification for millwrights on this project from the wage determination in the solicitation?

The Government estimates the millwright work on this contract to be under 20% of the contract, therefore following DOL guidance that worker classification on the wage determination is not required. However, the awarded Contractor has the right to contact DOL to request the wage determination in the award, IL20200018, be updated to include millwright worker classification.

KEC 1-Jul-20

18 6/22/2020 Is this project tax exempt for permanent materials installed on site? No ESM 25-Jun-20

19 6/22/2020 Does the government have any 3D models of the proposed work area, specific to the gallery, machinery, culverts and associated tainter valves, and all other associated items with this RFP?

3D Models of the proposed work area are not available for this project. JAH 24-Jun-20

20 6/22/2020 Can the government confirm the locations of where they believe lead paint to exist?

Four locations were tested for lead based paint in each machinery room.

All locations were confirmed positive for containing lead. Most painted surfaces in the machinery room are painted with the same green paint.

Assume painted surfaces contain lead based paint for planning purposes.

IPD 23-Jun-20

21 6/22/2020 Can the government confirm the culverts have been successfully dewatered in the past?

Culverts have been sucessfully dewatered in the past. However, it should be known that some light seepage or puddles may remain after dewatering.

JAH 23-Jun-20

22 6/22/2020 Can the government confirm to what elevation the chamber will be dewatered? If so, please provide anticipate elevation or range of elevations?

Lock will be dewatered to the lowest point of the lock chamber floor.

However, it should be known that some light seepage or puddles may remain after dewatering.

JAH 23-Jun-20

23 6/22/2020 Would the government allow for the overhead access holes to be cut above the work area?

Contractor must bid as they see it with no expectation that such a proposal would be acceptable to the Government. If they want to submit the idea after award as a Value Engineering proposal the Government could evaluate the idea at that time for acceptance or rejection.

JAH 30-Jun-20

24 6/22/2020 What is the allowable crane loading adjacent to lock wall?

This can not be provided without knowing specific location in question and understanding it's proximity to lock equipment and utilities. In general, no loading shall occur on deck plates and reference should be made to the amended drawings where the known load restricted area and capacity are indicated.

JAH 2-Jul-20

25 6/22/2020 Can the strut arm assembly be fabricated in pieces?

The STRUT ARM shall be a single-piece per the plans and specifications. Multiple pieces bolted together are not acceptable.

The STRUT ASSEMBLY is characteristically fabricated and assembled as multiple pieces. The STRUT ASSEMBLY will be fabricated and assembled per plans and specifications.

IPD 25-Jun-20

26 6/22/2020 Will the government be taking care of snow removal in the visitor park? If so, will they also be taking care of snow removal in areas indicated as contractor work area?

Contractor will provide their own snow removal in areas where work is to be conducted.

JAH 23-Jun-20

27 6/22/2020

Sheet M-614 refers to Valve Pin, Valve Nut, and Valve Keeper as being on reference drawing D1-24-3 and D1-24-2 but these items cannot be identified on the specified drawing. Please identify the Valve Pin, Valve Nut, and Valve Keeper on D1-24-3 and D1-24-2.

The Valve Pin is located on D1-24-3, identified by the mark number 25/2- 3, in the top left corner of the drawing. Location of the Valve Nut and Valve Keeper are shown in section B-B on drawing D1-24-2. Details for these parts are located on M-510.

IPD 23-Jun-20

28 6/22/2020

I'm working up some budgetary numbers for the components for this job. On pages 3 and 4 of your price schedule you are laying out the base contract and separate line items for options 0002 through 0009. The base contract description is:

REPLACE ALL COMPONENTS IN NE & NW CORNERS, PROCURE AND

DELIVERY CASTED PARTS FOR SW & SE CORNER, AUTOMATIC GREASING

SYSTEM (NE & NW CORNERS) AND TO INCLUDE ONE ADDITIONAL SPARE

SECTOR ARM.

Can you please clarify what "CASTED PARTS FOR SW & SE CORNER" includes in your schedule of parts on SHEET ID M-614 of the drawing package?

Strut arm may by cast or forged according to specifications. Bushings identified with ASTM B584 are to be cast. Reducer housings may be cast or weldments according to specifications.

IPD 23-Jun-20

29 6/22/2020 On page 20 of the solicitation, it states an attachment to the solicitation (Exhibit D) and Exhibit E. I do not see either of these attachments in the solicitation.

Exhibits D and E will be provided with the amendment being issued to answer questions received.

ESM 23-Jun-20

30 6/23/2020 Is this a Small Business Only project? It appears this project applies to NAICS 237990 / $39.5Million Average

No. This requirement is being solicited under full and open competition. ESM 23-Jun-20

31 6/23/2020

Will the USACE allow a supplier to modify a reducer on site for the install of the output shaft?

This would be to allow the reducer to fit through the gallery.

No. The reducer is 37 inches wide when orienting the output shaft toward the direction of travel. The gallery is 48 inches wide.

IPD 23-Jun-20