Government RFI Responses - 1333ND22QNB190072.pdf

B302 Major Equipment Upgrades RFI Responses RFP ‐ 1333ND22QNB190072

# ‐‐‐‐‐‐‐‐‐‐‐ RFI Comment ‐‐‐‐‐‐‐‐‐‐‐ ‐‐‐‐‐‐ RFI Answer ‐‐‐‐‐‐‐ 1 Drawing Package 1 appears to be missing Drawings M‐601 and M‐704. Please provide at your earliest convenience.

Provided in revised Drawing Package 1 posted to www.SAM.gov. See Amendment

0001.

2 Page 54 of 61 in the RFP (C. Price Proposal Submission Requirements, 3.c. Bid Bond) states that “Offerors shall include a bid bond equal to the amount of their proposal.”

Typically bid bonds are $3,000,000 or 20% of the proposal price. Please clarify the bid bond amount.

Page 54 has been revised. Bid bond amount shall be at least 20% of the bid price but shall not exceed $3,000,000.

3 The drawing list shows drawing M 601 is drawing 26 of 38, but there is no 26 of 38 drawing in the package. Can drawing M 601 be provided?

Provided in revised Drawing Package 1 posted to www.SAM.gov. See Amendment

0001.

4 The due date in Box 13 of the SF 1442 is May 7, 2022. Since this falls on a Saturday, would NIST be willing to extend the bid date to the following Monday, May 9, 2022?

The proposal due date has been extended to May 19, 2022 at 1:00pm ET. See

Amendment 0001.

5 Note 2 on drawing E601 states, provide a motor starter in MCC3A and 3B. What is the

GO Number for the MCC?

The Government is unable to provide this information at this time. If the successful

Offeror submits a similar RFI after award, the Government will provide a response if the information can be determined or found.

6 Note 3 on drawing E601 states, provide a new 3P breaker in existing Panel PB‐1‐E13.

What is the manufacture of panel PB‐1‐E13?

The panel brand is Cutler‐Hammer.

7 Note 1 on drawing E101 states, disconnect and remove pump and associated conductors back to source. Where are the pump feed from?

The pumps are served from the same MCC as the new pumps of the same name.

8 Note 2 on drawing E101 states, disconnect and remove fan associated conductors back to source. Where are the fan fed from?

The exhaust fan is served either MCC‐3A or MCC‐3B. Assume MCC‐3a for bidding purposes.

9 The one line drawing located on E001 shows Panel MD feeding the new ccontrol booth pannels. What is the location of Pannel MD?

Panel MD is actually panel 3D, being installed in CLIN‐4. Bid assuming CLIN‐4 is being awarded.

10 When the temporary boiler is provided, should all be planned within our price for 1 boiler or 2 boilers for redundancy?

Two boiler temporary are required.

11 Please confirm we can place the temporary boiler on West Drive rather than on the grass. The skid for the temporary boiler weighs 100K and would require civil work to have installed as needed.

No, West Drive can not be used.

12 The temporary boiler we are to provide is to have a power source of 250A 460/60/3 phase. Is this power and the availability of a secondary power source available, or do we need to plan for fuel oil as a means to operate a generator, if required.

Drawing M‐002 includes instructions to provide temporary power to serve the temporary boilers. Provide cabling and local overcurrent devices per the NEC.

13 When the piping for the temporary boiler is completed after removal of the device, does the facility want the piping for emergency backup? When the project is complete, please confirm if we can leave piping supports in place.

Remove piping back to the flanges and provide the blind flanges indicated on the drawings. Remove the exterior piping supports.

14 Provide the Roofing Company Of Record for Building 302. The Government is unable to provide this information at this time. If the successful

Offeror submits a similar RFI after award, the Government will provide a response if the information can be determined or found.

15 When are NIST's scheduled shutdowns for the central utility plant? They are listed in the drawings as April and October. Exact dates will be available to the successful bidder after bidding.

16 Please confirm NIST will operate the temporary boilers during the project. NIST Boiler operators will operate the temporary boilers.

17 Please confirm NIST will provide all utilities for the temporary boilers to include water treatment and required chemicals.

The existing utilities (Feed Water, Blow Down Drain, etc.) needed for the temporary boilers are available for temporary connection to by the contractor in the existing boiler wing.

18 Will a new NG regulator be required along with piping modifications? The natural gas regulator and pipe modifications are not required. They were previously replaced.

19 Is it the intent that NIST will not require service platforms/ladders etc. to service the various valves/meters/combustion motors? This was not outlined in the specifications or drawing package.

See revised amendment 4 drawing M‐102 showing removal and reinstallation of the existing catwalks and the relationship between the catwalks and the valves.

20 Will emission testing be required for the temporary boilers? Emission testing will be required per MDE protocols.

21 Will NIST be providing the emissions permit for the temporary and new boilers? The contractor will complete the MDE application and submit to NIST for review and owner signature. Contractor will submit signed application to MDE with the permit fee, paid by the contractor.

22 Is EMT allowed to be installed in the boiler plant? During the site visit it was observed that EMT and rigid were both installed in the boiler plant.

If the specification and drawings allow EMT, it will be permitted.

23 Is GPR or x‐ray required for new penetrations in the existing CMU and floors? Yes.

Government RFI Responses

1333ND22QNB190072

Building 302 Major Equipement Replacement

Printed Date: 5/6/2022 11:59 AM Page 1 of 3 Government RFI Responses ‐ 1333ND22QNB190072.xlsx

24 Provide package water tube boilers, "Burner management systems, combustion controls, drum level controls" are currently in the existing control. Confirm modifications to existing controls.

Reuse existing MicroMod combustion control system. Provide burner management/flame safegaurd system.

25 Provide Boiler Factory Supplied "automatic combustion control system, flame safeguard controls, firing sequence programmer." Note: Conflicts with Existing

MicroMod system modifications. Spec Section 235233‐4 (1.2‐C.3).

Reuse existing MicroMod combustion control system. Provide burner management/flame safegaurd system.

26 "The boiler manufacturer shall coordinate the boilers, burners and controls.” Note:

Conflicts with Existing MicroMod system modifications. Spec Section 235233‐4 (1.2‐

C.3).

Reuse existing MicroMod combustion control system. Provide burner management/flame safegaurd system.

27 Boiler Manufacturer Supplied Three‐Element Feedwater Control System. Note: This strategy is currently in the MicroMod Control System. Spec Section 235233‐4 (1.2‐C.3).

Concur. Reuse existing programming and readjust/tune for new boilers.

28 Boiler Manufacturer Supplied Burner Control System. Note: This strategy is currently in the existing control system. Conflicts with Spec Section 235233‐4 (1.2‐C.3).

Reuse existing MicroMod combustion control system. Provide burner management/flame safegaurd system.

29 "Burner Control Panel: Burner control panels containing the flame safeguard system."

Confirm modification to existing NIST panels.

Remove existing burner management/flame safety system complete. Provide burner manufacturer provided burner management system and install in existing control panel.

30 Boiler Control Panel: The boiler control panel containing the combustion controls, drum level controls, "recorder" indicators, gages, etc. shall be provided as described in paragraph “Control Panels." Confirm modification to existing control system panels.

Reuse existing MicroMod combustion control system. Provide burner management/flame safegaurd system.

31 Please confirm drum heater control strategy. Aux pressure or RTD TX and control valve?

Provide manual control ball valves for Boilers 1 through 6, not the valve type shown on the drawings. No automatic controls are required.

32 Burner management system on boilers 1 – 4 are currently a fireye E110 system.

Confirm upgrade to the new YB series.

Use of YB Series controllers or newer series.

33 The control sequences of the programming control systems shall be an automatic recycling system. Confirm NIST is manual operator interface On/OFF control.

Yes. See Specification Package 1.

34 "Burner Control Panels (Furnished with Burners)." Please confirm modify existing NIST panels.

Remove existing burner management/flame safety system complete. Provide burner manufacturer provided burner management system and install in existing control panel.

35 Can we reuse the existing Kral oil meters? Provide new oil meters per the contract documents.

36 Clarify economizer temperature control or match existing boiler economizer piping and functionality.

The economizer temperature control is not included.

37 Is a multi‐point remote temperature indicator system required for the new system or match existing boilers?

Multi‐point system is not required. Refer to Specification Package 1.

38 Ref. Dwg. 302‐540, Note #1. Will we need to provide (2) 200amp temporary feeders, one for each of the (2) temporary boilers? Which Alternate Base CLIN # should this temporary feeder cost be applied to?

Drawing M‐002 includes instructions to provide temporary power to serve the temporary boilers. Provide cabling and local overcurrent devices per the NEC.

39 Ref. Statement of Work for CLIN 0003. Item #1 says to demo MCC 3C and 3D in the boiler room and replace with one new Arc Flash MCC and Distribution Panel. There is a new Panel 3D but no new Arc Flash MCC, please confirm.

The loads from MCC‐3C and MCC‐3D are combined on to one panel, 3D.

40 Ref. Dwg. 302‐588. Power riser diagram shows the new Panel D feeder #1 to come from the existing main swgr. Is there an existing breaker available to terminate the

Panel D feeder into?

Panel 3D connects to the breaker that served MCC‐3D.

41 Ref. Dwg. 302‐596. Riser diagram shows the new 45KVA transformer feeder to come from the existing Pnl. MD. Is there an existing breaker available to terminate the

45KVA transformer feeder into?

Panel MD is mislabeled, it is correctly 3D.

42 Will temporary power be required for any welders, lighting, or job site staging areas? Yes temporary power is required for anything above the 120V convenience outlet circuits that are available.

43 Please confirm the limits of code work noted on Drawing 302‐565 require the areas of

“Boiler Code Work” to be spools fabricated by the contractor in accordance with ASME

Code Section IX.

The piping identified as "Boiler Code" is Boiler External Piping defined in both ASME

BPVC‐I and ASME B3.1. A qualified contractor can fabricate these spools or have the boiler manufacturer provide them.

44 The equipment schedule page is missing. Please provide it. Provided in revised Drawing Package 1 posted to www.SAM.gov. See Amendment

0001.

45 It seems like some additional drawings in the “Replace Boilers SG‐5 and SG‐6” drawing set are mislabeled and/or missing. I.e. the drawing set includes (2) different 302‐554

(sheet 24 of 38) and (2) Sheets 19 of 38, but are missing drawings 555 and 556 (sheets

25 and 26). The complete set is of 38 pages, but electronically, only 37 exist. Please confirm the pdf is inclusive of all drawings intended for the bidders and/or provide supplemental sheets.

Provided in revised Drawing Package 1 posted to www.SAM.gov. See Amendment

0001.

46 Please provide the facility’s requirements for the temporary boilers Refer to the RFP documents and the RFI answers.

47 Will the temporary boilers require dual fuel capability? Yes, gas and oil.

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48 Will a temporary dearator be required to support the temporary boiler operation? The intent, described on the drawings, is to tap the boiler feed water piping to serve the temporary boilers with a permanent valve and flange.

49 Will temporary boiler controls and instrumentation need to be monitored remotely from inside building 302?

Remote temporary boiler alarms to a single Audio/Visual (horn/strobe) device so boiler operator can see and hear from boiler operators booth (in front of the existing boilers). The operators will then go to the temporary boilers to respond

(read instruments, adjust controls and etc.).

50 Drawing 302‐561 does not show connections for the temporary boiler to the existing feedwater system or main steam distribution. Does the facility have requirements for how this temporary is connected?

The required connections for all services are shown on the revised Drawing Package

1 posted to www.SAM.gov. See Amendment 0001.

51 Please clarify the intent of Drawing 302‐549. There are modification to fuel oil piping and routing of service for the temporary units shown on this drawing.

52 It looks like the details and notes contemplate adding mud drums. If we are providing new boilers for SG‐5 and 6:

Retrofit mud drums for boilers 1 through 4 with CLIN 1a and CLIN 1b.

Provide factory installed drum heaters in units 5 & 6.

53 For SG‐5 and SG‐6… Please confirm the intent is for the boiler manufacturer to integrate concepts into the boiler and provide supplemental technical details for the mud drums in their submittal.

Provide factory installed drum heaters in units 5 & 6.

54 For Boilers B‐1 to B‐4, please confirm the references from 302‐541 (M‐101) to drawing

302‐549 (M‐404) intend for the contractor to retrofit the mud drums on Boilers 1, 2, 3, and 4. This also seems to be indicated on 302‐560.

Retrofit mud drums for boilers 1 through 4 with CLIN 1a and CLIN 1b.

55 For Boilers 1, 2, 3, and 4, the details do not appear adequate to fabricate the boiler mud drums. The boiler mud drums are ASME code stamped pressure vessels and required stamped engineering drawings to perform the work.

The intent is remove end of the existing mud drum and modify them in accordance with the drawings.

56 Please confirm the mud drum modifications for boilers B‐1,2,3, and 4 are code work that is required to be stamped per ASME BVPC Section IX.

The modifications will require the contractor to add an "R" stamp to the boiler nameplate.

57 Please clarify whether the scope should include engineering to advance the details on

302‐549 to engineered stamped drawings for the ASME Code Work?

If the contractor requires additional design to execute the work, it should be included in their proposal.

58 On drawing 302‐549 (M‐404) note 4 indicates the support spacing inside the mud drums. It looks like the spacing is 14’ on center. Please confirm this is adequate.

The intermediate flanges to ease movement of the drum head, also act as supports for the drum heater.

59 On drawing 302‐549 (M‐404) detail 6, please confirm the HPR lines should have a steam trap to provide some resistance, allowing more heat transfer to occur inside the mud drum. (Trap assemblies seem to be indicated on 302‐560).

Traps are required per detail 6/M‐404|M‐404.

60 Why does drawing note 2 indicate demolishing the control valve ahead of the muffler?

Won’t this valve be required to perform testing and PM’s?

With regard to drawing 302‐547, 302‐548, and 302‐560, the existing pneumatic control valve is demolished, and a globe valve [HPS|028] is provided at the catwalk level.

61 Please confirm a second round of RFI’s will be allowed to 4/27/22 to capture any additional scope items that may emerge.

The RFI due date will not be extended.

62 DWG 302‐563; page 32 of 37 of “1. Drawing Package 1 – Replace Boilers SG‐5 and SG‐

6.pdf”. This drawing makes reference to M‐59 Instrumentation Schedule. We have been unable to locate this schedule in the package. Please provide location or schedule.

Provided in revised Drawing Package 1 posted to www.SAM.gov. See Amendment

0001.

63 Are Teaming Arrangements allowed, and can the past exerience of teaming parterns be utilized to meet the requirements of the Experience and Past Performance sections of the proposal?

Please provide the required information as outlined in Section L.1 ‐ Instructions to

Offerors.

64 How will the Air Permit modification be managed and to what extent do you expect the Contractor to support this effort?

NIST will apply for the Air Permit modifications using the test results and performance data provided by the Contractor.

65 A Past Performance Questionnaire form was not included in the solicitation package.

Please provide.

Past Performance Questionnaire posted to www.SAM.gov. See Amendment 0001.

66 Ref. Specificiation Package 1, Section 260548.16 ‐ Seismic Controls for Electrical

Systems. Are Seismic Controls required?

Seismic Controls are not required. Section 260548.16 has been deleted from revised

Specification Package 1. See Amendment 0001.

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