MORU_219680_RFI_Register_20190219.1.xlsx

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Plaza Paver System Replacement and Visitor Center Rehabilitation
Solicitation number
140P2019R0013
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SF30_Amendment_2.pdf PDF
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RFI Register National Park Service Denver Service Center 12795 West Alameda Parkway Lakewood, CO 80228

PROJECT TITLE
MORU Plaza Paver Replacement and Visitor Center Rehab
CONTRACT No.PMISDATE
Solicitation 140P2019R0013MORU 2196802/19/19
RFI REGISTER
RFIREC'DANSWEREDREQUESTRESPONSE
12/8/19You have Ceco by Assa approved for hollow metal, can Ii also use Curries by Assa?Yes. Curries by Assa Abloy may also be considered an approved manufacturer for HM doors.
22/8/19Can you please advise what hardware groups openings 115A & 124A belong toThese doors are intended to have hardware set #2, but that set is incomplete. Please anticipate also four stainless steel hinges [basis of design Hager BB1191, 4.5 inch in US32D] and a mortise lock with a deadbolt and lever [basis of design Hager 3810 WTN in US32D] .
32/7/19Can you tell us if there is a mortar bed underneath the tile in rooms 114, 115, 124 and 125? If so, please clarify what installation will be required by TCNA (Tile Council of North America).There is latex-modified thin-set mortar underneath the tile. Please see 2.3 "Setting Materials" in section 21 96 80 for manufacturers and follow TCNA guidelines for an F115-03 thin-set installation.
42/7/19On the original drawings from the original project, it had the finished ceiling height as 8’6” in the above rooms, and the new plans call for 8’, I just want to verify this.The 8'-0" ceiling height in the restrooms is the current height as verified in field in January 2018. The height modification from the original is also recorded in a 1990 set of record drawings.
52/13/19Requesting clarification on the Steel Slat Benches (Ref Drawing C16) where it states that the Specification indicates the Model and Manufacturer of these custom benches. Ref Spec section 32 33 00 – Site Furnishings section below. We cannot find the Manufacturer or Model indicated in the specification. Please provide the name of the manufacturer and model so we can procure pricing for the proposal.Like or equal: Northgate Bench, SKU 2ZT2086-BK (2/14/2019)
52/7/19If the government shuts down, how will it affect this solicitationProposal submission will be extended to account for shutdown period.
62/7/19What is the duration of the project600 days
72/7/19What is the extent of access for visitors?Consult Div. 01 specifications for phasing and restrictions. Phasing is flexible.
82/7/18Will the background presentation be providedYes.
92/7/19What are the weight restrictions on the visitor center roof?Limit to 10,000 lbs. Drawings provide further information.
102/7/18What is under the stairs?Concrete structure located under stairs. Stairs and structure are separate
112/7/19What construction access is available for the amphitheater?Service road located on Washington side.
122/7/19Who will or who can move the cabinets in archival storage room?NPS staff will be the ONLY individuals allowed to move the cabintes on wheels, due to contents inside. Yellow cabinets DO NOT move.
132/7/19How much notice is needed to give NPS to move cabinets in secure archival storage area?NPS requests 24 hr notice to move cabinets out of the way of planned work activities.
142/7/19Is the project a set aside for small busines?No. This is full and open.
152/14/19Due to the haul distance will a hydration stabilizer be approved for use to offset the haul time from the plant to the jobsite to effectively start the unload time when the truck arrives on the jobsite?A hydration stabilizer will be considered for approval during the submittal process. Approval of adding a hydration stabilizer will be depending on outdoor temperature.
162/14/19A 0.40 w/c ratio specification will be a difficult mix to produce and haul long distance and achieve a 5-7” slump onsite. It will require more chemicals which in turn can make the mix more difficult to pump, place, and produce consistent air contents. Would a 0.45 w/c cement ratio be considered for approval as most municipalities and DOT agencies recognize for use in our area?Yes, a 0.45 water / cement ratio would be considered for approval during the submittal process.
172/14/19To achieve the design parameters, the specified rock/sand weights appear to considerably over yield which will affect the performance of the mix. Would batch weights provided be allowed to be respectively adjusted to not over/under yield?Batch weights will be considered and approved for adjustment following submittal of the proposed mix design.
182/15/19The schedule calls for the physical dimension to be 40”x66”x6”. If you scale off of the plans, the OA & EA ducts are each this approximate dimension. The section on sheet M5.0, shows the heat exchanger covering both the OA & EA ducts. Will we need to provide (2) heat exchangers? Provide a larger heat exchanger than the dimension scheduled? Please let me know.
192/15/19Please provide sizing for the (4) motorized bypass dampers called out on sheet M2.2
202/15/19What is your intent for mounting the heat exchanger?
212/15/19Do you have any performance data to provide for the heat exchanger?
222/15/19Please clarify whether the Site Safety Manager role may be fulfilled by

either the Site Superintendent or the Quality Control Manager as long as the individual’s qualifications meet the requirements of both roles.

232/15/19Please clarify whether the Project Manager must be on site at all times
during work activities.Far 52.236-6 Superintendence by the Contractor requires "At all times during performance of this contract and until the work is completed and accepted, the Contractor shall directly superintend the work or assign and have on the worksite a competent superintendent who is satisfactory to the Contracting Officer and has authority to act for the Contractor."
242/15/19Many of our government projects have already been assessed through

the CPARS system or existing Past Performance Questionnaires. May we submit these with our proposal in lieu of requesting a new Past

Performance Questionnaires?Provide past performance questionnaire.
252/15/19Please clarify whether you require only one Flash Drive containing both

volumes or if one Flash Drive is required for each Volume (making two

Flash Drives total to be submitted).Provide one flash drive.
262/15/19Please provide the sign-in sheet, presentation slides, and photos from the February 7 th site visitWill provide with amendment and RFI responses
272/15/19Please confirm that Washington Elevator is a three-stop elevator and Lincoln Elevator is two stop.
282/15/19Please confirm that the Washington & Lincoln elevators pits are at least four feet deep
292/15/19Please provide Washington Elevator shaft dimensions to confirm the desired OTIS GEN2 MRE can be installed in the existing shaft
302/15/19Please provide Lincoln Elevator shaft dimensions to confirm the desired OTIS GEN2 MRE can be installed in the existing shaft
312/15/19Please confirm Washington Elevator shaft construction is reinforced concrete per S2.0
322/15/19Please confirm Lincoln Elevator shaft construction is reinforced concrete per S2.0
332/15/19Please confirm existing elevators shafts’ wall embeds can be used as attachment points for the new rail brackets without any structural modifications
342/15/19Please confirm on-center spacing of the existing elevators shafts’ wall embeds
352/15/19Door schedule and hardware scheudle do not match, which is correct?
362/15/19Contract Line Item No. 2, Bid Option 1 – Washington Side Visitor Center Restroom Rehabilitation, Lump Sum This item consists of rehabilitating the restroom on the Washington side of the Visitor Center referred to on the drawings as “West Restrooms.” Is the electrical work in this are part of this option or the base bid?
372/15/19D. Contract Line Item No. 4, Bid Option 3 – New Finishes in Staff Area of Visitor Center, Lump Sum

This item includes replacing finishes to include flooring, ceilings and wall finishes in the staff area (rooms 105 through 113) of the Visitor Center. It covers finishes demolition and replacement beyond that which will be affected by Mechanical work, which is included in the main scope of work. Item includes vapor-retarding protections for areas to be humidified. Is the electrical work in this are part of this option or the base bid?

382/19/19For the type ‘SE’ light fixture, please provide the height.
39
40

Sheet1

RFIREC'DAMENDMENTREQUESTRESPONSE
12/8/19You have Ceco by Assa approved for hollow metal, can Ii also use Curries by Assa?
22/8/19Can you please advise what hardware groups openings 115A & 124A belong to
32/7/19Can you tell us if there is a mortar bed underneath the tile in rooms 114, 115, 124 and 125? If so, please clarify what installation will be required by TCNA (Tile Council of North America).
42/7/19On the original drawings from the original project, it had the finished ceiling height as 8’6” in the above rooms, and the new plans call for 8’, I just want to verify this.

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