Addendum 01 and 02.doc
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- Attached to
- B222 Renovation and Addition Federal contract opportunity
- Solicitation number
- W912LM20R1003
About this file
This solicitation seeks proposals for a firm fixed-price construction contract valued between $5 million and $10 million to renovate and add to an existing base supply facility at Duluth Air National Guard Base in Minnesota. The scope of work includes repairing metal flashing and doors, rehabilitating brick, upgrading site drainage, selective interior demolition, and replacing mechanical, electrical, fire protection and plumbing systems. The project must comply with DoD antiterrorism requirements and match existing building materials and roofing. The contract duration is 540 days with completion due within one year of the notice to proceed. The solicitation was issued by the USPFO for Minnesota as a small business set-aside. The pre-proposal conference is scheduled for October 7th and questions are due by October 26th, with proposals due on October 29th. The source selection will be conducted in accordance with FAR Part 15 using best value tradeoff with past performance and price as factors.
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Text version
NOTICE OF REQUEST FOR PROPOSAL
ADDENDUM 01 & 02
DATE: 16 Oct 2020
PROJECT TITLE & NUMBER:
REPRENOVATION & ADDITION FOR B222
PN: FMKM112035
1. This addendum is being issued to answer Contractor submitted questions
ADDENDUM 01
Q1. There are no beam to column connection details shown for the beam line, grid C, on drawing S-121 & beam line, grid C, on drawing S-123.
A1. Burns & McDonnell Response: Provide standard beam connections, single plate as shown on S-014 detail 2.
Q2. There is no North/South dimension provided for room 133, drawing A-101 and drawing S-111 (beams spanning north and south
A2. Burns & McDonnell Response: Room 133 is an existing room in the building. The North/South and East/West dimensions are not changing from what is there today. Locate gridline A as shown below, off interior face of existing masonry wall.
Q3. Please define the footing / foundation details in the areas north of grid lines 4 both N/S and E/W that are not detailed or have clear grid lines to refer to.
A3. Burns & McDonnell Response: Isolated footings under the columns are shown in detail E12/S-301. Typical wall exterior foundations are shown in D1/S-301 for 8” masonry and H1/S-301 for 12” masonry. Foundation steps (see typical detail per S-012) are shown and dimensioned and top of footing elevations are shown on plan. Coordinate masonry wall plan dimensions with architectural sheet A-102. Exterior masonry foundations walls have a concrete stem wall on a 1ft thick continuous spread foundation, Interior masonry foundation walls are to be located below the slab as shown on H1/S-302.
Q4. Please describe the condition directly around the steel columns on detail G10/S302. Is this supposed to be filled with concrete? The detail is not clear.
A4. Burns & McDonnell Response: Second Stage Concrete Placement per typical detail shown on S-012 – Column Isolation Joints.
Q5. What is the intent of detail H8/S301? Does this represent CIP concrete or masonry foundation? This detail is not clear.
A5. Burns & McDonnell Response: CIP concrete. H8/S-301 is showing an elevation of the new concrete foundation and the existing concrete foundation. The 4’-4” dimension and 6’-0” dimension at SIM are the foundation stem wall per D1/S-301 and D8/S-301 respectively. Drill and epoxy dowels into the existing concrete foundation prior to new concrete placement.
Q6. Please confirm wall type separating the men’s & women’s showers on detail G1/A401. Is there any significance to the multiple dashed circles on this same detail?
A6. Burns & McDonnell Response: Sheet A-401 indicates that partition type S2AC is to be used. This partition is defined on sheet A-451 as 3 5/8” Metal Studs, Wet Walls, See Partition Types General Note 9. Partition Types General Notes, Note 9 states, provide cementitious backer units (at shower walls) or water resistant gypsum board (at other toilet or restroom walls) on wet side of wall.
Q7. There is no furring wall on the exterior wall shown in rooms 111, 109, 107 & 105. Please confirm.
A7. Burns & McDonnell Response: Sheet A-404 indicates that furring type F1CA is to be used on the exterior walls. The same furring F1CA is to be used at all exterior walls in this office area which includes rooms 111, 109, 107, 105, 104 and 103.
Q8. What is the intent for furring the S wall in room 104? There is tube steel reinforcement at the window openings.
A8. Burns & McDonnell Response: Furring the exterior walls in the office areas is to add insulation and a new finish (gypsum board) to the interior of the space. Sheet A-404 indicates that furring type F1CA is to be used on the exterior walls. The same furring F1CA is to be used at all exterior walls in this office area which includes rooms 111, 109, 107, 105, 104 and 103. The F1CA partition type is detailed on sheet A-501.
Q9. Please define the wall finishes adjacent to the shower stalls. The wall tile scope is not clear.
A9. Burns & McDonnell Response: Sheet A-402 indicates that the walls outside the shower area that are not wet walls are to be painted with PE-1 which is, epoxy wall paint – semi-gloss as indicated on sheet A-701, Room Finish Schedule and Finish Legend – Basis of Design or Equivalent.
Q10. Is there any finish other than paint behind the lockers
A10. Burns & McDonnell Response: The walls behind the lockers are to be painted with PE-1 only. Sheet A-402 indicates that the walls outside the shower area that are not wet walls are to be painted with PE-1 which is, epoxy wall paint – semi-gloss as indicated on sheet A-701, Room Finish Schedule and Finish Legend – Basis of Design or Equivalent.
Q11. The demo plans call to remove the flooring in multiple rooms that currently have epoxy floor coating. Is this required to be removed?
A11. Burns & McDonnell Response: It is necessary to remove the existing flooring, including the areas with epoxy, in order for the new flooring to be installed properly.
Q12. Drawing A353 detail 8 notes the flashing run 18” underneath the existing metal roof. That isn’t going to be possible because of the install of the existing metal roof.
A12. Burns & McDonnell Response: The connection of the new roof to the existing structure and roof will require special attention to provide a weather tight connection. Flashing and waterproofing extending from under the existing roofing to be over the new roof is a key element to this weather proofing.
Q13. There is no specification for the elevator shown. Please provide spec & details ASAP.
A13. Burns & McDonnell Response: See specification 14 21 23 issued in upcoming Addendum. Drawings A-411 and A-412 have plans, sections, elevations and details of the elevator shaft and associated requirements.
Q14. There is a reference to multiple air /vapor barriers (plan sheet A-001) but no specification. If this material is to be used, please provide a specification with clear direction for which product is to be used in each application.
A14. Burns & McDonnell Response: See specification 07 05 23 and 07 27 10.00 issued in an Addendum. These sections define the Pressure Testing an Air Barrier System for Air Tightness and Building Air Barrier System respectively. Air Barriers are not a single specific product for each wall or roof system or type. Refer to the wall and roof details to determine the air barrier that will be needed in each individual system.
Q15. There are bollards both interior & exterior. Detail I9/A532 details an interior bollard. Is this typical for ALL interior bollards?
A15. Burns & McDonnell Response: Detail I9 on sheet A-532 will be used for all interior bollards. Detail 2 on sheet C-502 should be used for exterior bollards.
Q16. Detail G8/A-353 calls for spray foam insulation at the roof transition. This will be virtually impossible to install as shown. Would alternative insulation be acceptable? Batt?
A16. Burns & McDonnell Response: The connection of the new roof to the existing structure and roof will require special attention to provide a weather tight connection. The space where insulation is needed does not appear to allow for batt insulation to be properly installed.
Q17. Electrical RFI for Duluth Air National Guard Building B222
- Is there a specific manufacturer for the FA System? Manufacturer shall be Monaco. The system shall be addressable.
Does the Fire Alarm system need to be networked between buildings? No, the system shall be wireless.
-Is the Fire Alarm system a "Voice Evac System" or a "Mass notification System"? please explain. Yes, the system shall include Mass Notification.
-Is the Fire Alarm Initiating and Notification Appliances Circuits to be wired Class A or Class B? Class B is acceptable since the system will be addressable.
-Is there a specific manufacturer for the Card Access and Security Systems? Manufacturer shall be Advantor.
Q18. There is no specification for glazing.
A18. Burns & McDonnell Response: Specification 08 81 00 Glazing will be provided in an upcoming Addendum.
Q19. Please confirm the remarks on the door schedule are for Option #1 and not Option #2
A19. Burns & McDonnell Response: Drawing A-601 should reference Option #2 in lieu of Option #1 for door hardware. Doors affected are: 113A, 121A, 129A, 130C, and 202.
Q20. Please confirm materials used for UG sanitary. Cast iron bell & spigot is not commonly used. This will not work when connecting to existing piping. Cast iron no-hub is the standard
A20. Burns & McDonnell Response: For UG sanitary outside of the building footprint, see sheet CU-101 and specification 33 30 00 section 2.1 for material type. For UG sanitary within the building footprint, no hub cast iron is acceptable provided existing piping is of same material type.
Q21. Is there an actual bid-form somewhere? The Form 1442 does not have provisions for pricing & alternates.
A21. If an Alternate i
Q22. The door hardware sets for this project are referenced in the Door Schedule on sheet A-601 - C, but we cannot seem to find them listed in 08 71 00 Door Hardware specifications. Can these please be provided via an addendum, or if they are included in the solicitation documents, would you kindly point us to their location?
A22. Burns & McDonnell Response: A revised specification 08 71 00 will be issued in an upcoming Addendum.
ADDENDUM 02
Q1. It appears that Bid Options 6 & 7 are duplicates of 3 & 4
A1. Bid Options 2 and 3 (access control and intrusion detection) apply to the renovation portion of the project. Options 6 and 7 apply to the addition portion of the project.
Q2. Confirm the Submittal form to be used (AF 3000)
A2. The submittal cover sheet used shall be AF3000.
Q3. Is this project to be LEED?
A3. Burns & McDonnell Response: The project is not required to be registered with the U.S. Green Building Council for LEED certification. Third party certification is not required for this project. See specification 01 33 29 for required sustainability notebook and reporting.
Q4. There does not appear to be a hardware schedule. Please provide this information.
A4. Burns & McDonnell Response: A revised specification 08 71 00 will be issued in Addendum 01.
Q5. Please confirm HM doors are to be factory finished.
A5. Burns & McDonnell Response: HM Doors are to be factory finished. See specification 08 11 13 section 2.10 for additional information. Reference section 2.10.1: Factory-Applied Enamel Finish Provide coatings that meet test procedures and acceptance criteria in accordance with SDI/DOOR A250.3. After factory priming, apply two coats of medium-gloss enamel to exposed surfaces. Separately bake or oven dry each coat. Drying time and temperature requirements must be in accordance with the coating manufacturer's recommendations. Provide finish coat color(s) as indicated on Drawings to match approved color sample(s).
Q6. The demolition plans do not indicate wall types to be removed. These same plans do not define the floor finishes to be removed. This needs to be clarified and should not be the contractor’s responsibility to determine.
A6. All flooring in the renovated spaces it to be removed as a part of the demolition.
Q7. What is a Sustainability eNotebook?
A7. See specification 01 33 29 section 1.5.3 for additional information.
Q8. What is HPSB?
A8. High Performance and Sustainable Buildings. See specification 01 33 29 for additional information.
Q9. Who is responsible for commissioning including all costs?
A9. Burns & McDonnell Response: See specification section 01 91 00.15 for contractor commissioning responsibilities. Government to employ or contract with an independent Commissioning Agent/Commissioning specialist (CxG).
Q10. There are multiple references to Army Corps of Engineer requirements. Are all these necessary?
A10. Burns & McDonnell Response: Follow Division 01 Specifications.
Q11. Who pays for testing?
A11. Burns & McDonnell Response: See specification section 01 91 00.15 for contractor commissioning responsibilities and individual disciplines specifications for contractor testing responsibilities. Government to employ or contract with an independent Commissioning Agent/Commissioning specialist (CxG).
Q12. Arch note #5 on sheet AG002 refers to existing floor conditions. Any damage not shown on drawings should be considered unknown and addressed by change request. Please confirm.
A12. Burns & McDonnell Response: If floor damage is discovered please document and bring it to the contracting officer’s attention.
Q13. Arch note #27 om sheet AG002 addresses access doors. If all required access doors are not shown on plan set, they should be identified or an allowance established. Please confirm
A13. Burns & McDonnell Response: If additional access doors to what are shown on the drawings are proposed identify location(s) and cost to contracting officer.
Q14. Several Panelboard circuit breakers and wire sizes do not match up. Please clarify.
A14. Burns & McDonnell Response: A revised panelboard schedule to be issued in Addendum 01.
Q15. ELP1 circuit 8: 60/1 CB and #12 wire. Panel schedule shows dampers but Mech/Elec Connection Schedule shows UH-7 going to this breaker.
A15. Burns & McDonnell Response: A revised panelboard schedule to be issued in Addendum 01.
Q16. ELP1 circuit 10: 60/1 CB and #12 wire. Panel schedule shows dampers but Mech/Elec Connection Schedule shows UH-8 going to this breaker.
A16. Burns & McDonnell Response: A revised panelboard schedule to be issued in Addendum 01.
2. This amendment must be acknowledged when submitting your proposal.
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