Eielson B1171 Bid RFI Comments_Responses_Revised_Haz_Areas.pdf
PDF 69 KB Posted
- Attached to
- Repair Fuel Cell, B1171 Federal contract opportunity
- Solicitation number
- W50S6K24B0002
- Issued by
- Department of the Army National Guard
About this file
This document is a set of Request for Information (RFI) questions and responses regarding a federal contract opportunity for the repair of Fuel Cell B1171 at Eielson Air Force Base, Alaska.
The key details are:
- The project involves replacement of the existing Aqueous Film Forming Foam (AFFF) fire protection system with a water-only system, architectural modifications to expand office and storage space, and heating, ventilation, and lighting upgrades.
- The solicitation will include option line items for 1) Constructing a Fire Protection Water Loop and Fire Hydrants, and 2) Telecommunications Cabling.
- The RFI responses clarify the extent of the Class 1 Division 2 hazardous classification area, which is up to 5 feet around the aircraft and 18 inches above the finished floor in the Fuel Cell Repair Area 100.
- The RFI responses also provide guidance on the installation requirements for lighting fixtures, receptacles, and other electrical equipment in relation to the classified area.
View the file
Other files for this federal contract opportunity
| File | Type | Posted |
|---|---|---|
| W50S6K24B0002 Amendment 6.pdf | ||
| W50S6K24B0002 Amendment 5.pdf | ||
| EIELSON E-4.1 ESK-1.pdf | ||
| ESK-3.pdf | ||
| W50S6k24B0002 Amendment 4.pdf | ||
| ESK-2.pdf | ||
| W50S6K24B0002U0003 Amendment 3.pdf | ||
| 5. Frequency Converter Photos.pdf | ||
| 18. B1171 Original Construction Design Drawings.pdf | ||
| 65. 01 35 26.pdf | ||
| 71. 2019 Roof Report - B1171 Breakout.pdf | ||
| 76. AKANG Eielson B1171_Civil Drawings 65- - clouds.pdf | ||
| W50S6K24B0002 Amendment 2.pdf | ||
| 1. 23 30 00.pdf | ||
| 3. Pages from Env Atlas - B1171.pdf | ||
| 49. revised C-1.1.pdf | ||
| 19. Air Regulator Photos.pdf | ||
| W50S6K24B0002 Amendment 1.pdf | ||
| Sign In Sheet.pdf | ||
| Site Visit Slides.pdf | ||
| Eielson B1171 Type B-3 Submittal Drawings FP revised Addendum 1.pdf | ||
| W50S6K24B0002 - Solicitation.pdf | ||
| Type B-3 Final Design Submittal_SPECS_20240412.pdf | ||
| FTQW072002 AF 813 RCS 20-111 Repair Fuel Cell Revised.pdf |
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Text version
Project Title: Date Updated: 6/25/2024
RFI #
Date
Received
(DM)
Contractor RFI Description (entered by DM)
Responder (Entered by DM)
Date Sent to
Responder
(DM)
RFI Answer (entered by DM)
Date Answered
(DM)
Remarks
Amendment Number
(CS)
Date Amendment
Sent
(CS)
6 05/09/2024
Please clarify the hazardous classification plan shown on drawing E-
4.1 detail 3. The side view details a 5 foot bubble around the aircrafts as class 1 div 2 but the aerial view shows a bubble that scales to around 12 feet making the class 1 div 2 significantly larger. If the bubble on the aerial view is correct, please provide accurate dimensions of the bubble area for bidding purposes as the cost difference is significant. If the side view is correct, please provide the two elevations not called out on detail 3.
Jacobs 05/09/2024
The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
7 05/09/2024
Type F2 and EXXP fixtures on drawing E1.2 are detailed to be mounted well above the 18 inch class 1 div 2 area from drawing E-4.1 detail 3, but are listed in the luminaire schedule as class 1 div 2 type fixtures. Please clarify the extent of the classified area as the costs are significantly different between non-classified and classified areas.
Jacobs 05/09/2024
The lighting fixtures F2 and EXXP are not required to Class 1 Div 2 if it is not within the classified area. The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
8 05/09/2024
The Class 1 div 2 receptacles shown on drawing E1.1 and E-4.1 detail 1 are noted to be relocated. On drawing E-0.1 these are called out to be at 48” AFF, well outside of the classified area shown on E-4.1 detail 3. Please clarify the classified areas and installations.
Jacobs 05/09/2024
The Class 1 Div 2 receptacles are required to be Class 1 Div 2 even though it may be outside the classified area. The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
9 05/09/2024
Drawing E-4.1, detail 2, key note 6 states to relocate the explosion proof phone to an area not located in the class 1 div 2 classification. Please clarify the classified areas and installations.
Jacobs 05/09/2024
The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
Project #: D32121000 AKANG Eielson AFB Repair Fuel Cell B1171
RFI #
Date
Received
(DM)
Contractor RFI Description (entered by DM)
Responder (Entered by DM)
Date Sent to
Responder
(DM)
RFI Answer (entered by DM)
Date Answered
(DM)
Remarks
Amendment Number
(CS)
Date Amendment
Sent
(CS)
10 05/09/2024
Spec section 26 35 43, 2.4.f. states that the remote monitoring and control panel is to be in a NEMA 7 explosion proof enclosure even though the location is outside of the classified zone as shown on detail 3 drawing E4.1. Please clarify the classified areas and installations.
Jacobs 05/09/2024
The remote monitoring and control panel are not required to be explosion proof if it is not within the classified area. The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
11 05/09/2024
Drawing E-4.1 demolition key notes 1 & 2 for detail 1, and key notes 1 & 2 for detail 2. Are these electrical items currently class 1 div 2, and if so, they don’t appear to be relocated into a classified area. Please clarify the classified areas and installations.
Jacobs 05/09/2024
Junction boxes are not required for Class 1 Div 2 if it is not within the classified area. The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
12 05/09/2024
Drawing E-4.1 detail 2 key note 3 calls for three class 1 div 2 receptacles installed at 48 inches AFF which is outside of the classified area. Please clarify the classified areas and installations.
Jacobs 05/09/2024
The Class 1 Div 2 receptacles are required to be Class 1 Div 2 even though it may be outside the classified area. The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
13 05/09/2024
Drawing E-4.0, detail 1, demolition key note 7 and detail 2, key note 4. Is the existing installation and device class 1 div 2? Will the new installation location be class 1 div 2?
Jacobs 05/09/2024
The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
14 05/09/2024
If classified fixtures, devices, equipment, and or like items are to be installed outside of classified areas, provide a detail of each item and circuit installation method as NEC code does not require any classified circuit installation outside of a classified area. If the intent is to have a larger classified area than that detailed on E-4.1, provide a new classified area drawing and detail so that all systems can be priced accordingly.
Jacobs 05/09/2024
Wall mounted outlets are required to be Class 1 Div 2 even though it may be outside the classified area. The hazardous classification of Class 1 Div 2 in Fuel Cell Repair Area 100 is up to 5 feet around aircraft and 18" above finished floor.
05/16/2024
File details come from the government source that posted it. Updated .