Amendment_0004_Q&A.pdf

Solicitation 140P2018R0039 Mammoth Hotel Seismic Stabilization Phase 2

YELL 205796

Q&A Amendment 0004

Question 1: For the windows did the government want an insert or not?

Answer 1: The intention of the work is for a complete window and frame replacement to work into the existing opening.

Question 2: Sash profiles have a square inch sash inside and profile on outside, the details are shown as ovals. Should it be historic or like the details shown?

Answer 2: The intention of the work is for the new window sash and trim profiles to match in-kind the historic.

Question 3: Who is going to hold the commissioning contract?

Answer 3: The general contractor will be responsible for commissioning.

Question 4: Is Plenum rated wire acceptable for crawl space and penthouse

Answer 4: All control wiring is to be installed in EMT conduit.

Question 5: For lead based paint removal, what is the requirement for worker training (RRP-EPA or HUD, or OSHA)?

Answer 5: Refer to Specification 028300 Part 1 1.10A 1 for LBP removal worker training requirements.

Question 6: Work area 2 is September 10, 2018,will all the concessionaires FF&E will be ready for demo?

Answer 6: Yes, the Work Area 2 will be cleared of Concessionaire’s FF&E by September 10, 2018.

Question 7: North Stair tower is going to be abated, what is required for this area?

Answer 7: Reference technical revisions noted within Addendum 2 included in this amendment for clarification of the work scope at this area. Abate all hazardous materials and prepare for new finish installation.

Question 8: Exhaust fan near the ventilator system where did the government want the controls to be located?

Answer 8: There are two pieces to the fan controls. The air balance kit shall be mounted to each respective exhaust fan. The remote speed control shall be mounted in the attic space just west of access on wall along gridline JJ. Each fan speed controller shall be labeled with the respective fan number.

Question 9: Is the attic access just a pull down ladder?

Answer 9: Correct, access to the attic is via retractable ladder and hatch per the drawings & specifications.

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Question 10: 120v valves with radiator provided by radiator supplier or temperature control contractor?

Answer 10: The thermostats and control valves to be provided by the mechanical contractor.

Question 11: Existing floors seem to be wood flooring over skip sheeting, does the contractor tear out all existing wood flooring.

Answer 11: Yes, it is the intention of the work that all wood flooring is removed to the existing skip sheathing wherever present.

Question 12: New water line connection, how long can it be shut down and will there need to be temporary water line service needed?

Answer 12: Reference Section 010100 Summary of Work Section 1.11 on existing utilities.

Question 13: In the office admin area are the walls painted over the wallpaper such as it is now?

Answer 13: Generally, the walls in the entire office area will be demolished and there will be new walls constructed in the new configuration. Any wall finish scheduled to remain shall have all wall paper removed and the finish restored in preparation for repainting.

Question 14: There are 3 or 4 rooms on the south stair area that have historic chair rails trims, are they to be removed and replaced or restored?

Answer 14: In hallway 174, provide restored historic chair rail trims and new to extend to door 100.1 to match in-kind historic. At stair S3 at the second floor landing adjacent to hallway 260, salvage and restore existing chair rail trims and reinstall. Any chair rail present within corridors other than those indicated above shall be salvaged to Contracting Officer. Reference technical revisions to affected interior elevations within Addendum 2.

Question 15: In the same stair area do the current balusters and such need to be lead abated?

Answer 15: Interior finishes in Stair S3 called out to remain should be restored and if finish coatings are field verified to be well adhered and in generally good condition, may be prepared and repainted without LBP abatement.

Question 16: Is there commissioning requirements for this project?

Answer 16: Yes, refer to Specifications 019113 General Commissioning Requirements and 019114 Total Building Commissioning along with specific information in technical specifications for commissioning requirements.

Question 17: Would it be acceptable to use sprayed urethane insulation (as specified in 07 2100) for insulation of the roof assembly?

Answer 17: Yes, please reference the attached specification and technical changes within Addendum 2.

YELL 205796

Question 18: Is there a specification for FRP?

Answer 18: Please reference Specification Section 097700 within Addendum 2.

Question 19: Sheets A6.1, A6.21, and A6.30 all have note 28 pointing to picture rail trim in the corridors, but A6.12 does not. Should the 2nd floor hallways get picture rail trim like the 1st, 3rd, and 4th show?

Answer 19: Yes, all hallways should have picture rail trim.

Question 20: CLIN 4, Option C includes hospitality casework. Does each room get the same casework?

Answer 20: No, most rooms receive a piece of hospitality casework indicated as Option C within the documents. There are (4) unique configurations of the hospitality casework for the various guest room conditions. All casework not indicated as Option C shall be included within the base bid of the contract.

Refer to drawings.

Question 21: We are having a tough time sourcing FSC certified VG Doug Fir - it doesn't seem to be available. Could the FSC requirement be waived for fir used in all the trim work, windows, and doors?

Answer 21: FSC is only one of several sustainable forestry certification options listed in 064023 1.4 C.

Please refer to section for alternative compliance methods. Three different rating system certifications are acceptable to the Government. Sustainably sourced wood is required by the Government.

Question 22: Detail 3 on A8.3 shows custom brackets for the new radius handrail at stair S2. What material should these brackets be made out of, and what finish is expected on them?

Answer 22: Per Spec Section 064023 2.6G: It is intended that the custom brackets for handrail are cast bronze. It is expected that the finish is intended to comply with Specification 055000 2.12

Question 23: Room 175. Will Xanterra remove all the soda boxes/racks and ice maker in the storage room prior to contractor building the new platform and rails?

Answer 23: At room 175, contractor shall identify one of the following time frames within the project schedule for completing all work:

October 15 thru December 1 OR March 11 thru April 20.

Concessionaire will be remove FF&E within the area of new stair and landing to accommodate construction.

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Question 24: The existing plaster in the corridors is in pretty rough shape, and it will be made worse by cutting in new door openings, as well as patching old ones and patching all the holes that penetrate the tops of these walls. Would we be better off just to remove all the plaster from those walls, install new drywall, and then finish with gypsum plaster?

Answer 24: No, the hallways and stairs with finishes indicated to remain are historically significant. The material itself is integral to maintaining the historic character. Contractor shall take extreme care in working with these materials and complete compatible repairs and restoration to these finishes to remedy any damage. Reference Addendum 2 for additional technical requirements.

Question 25: Is the Contractor responsible for all third party testing involving clearances of lead and asbestos?

Answer 25: Yes, the contractor shall provide the IHC referenced within the hazardous materials treatment specifications for all clearance testing.

Question 26: Will testing of backfill compaction, concrete testing, steel welding inspections, and in place asphalt testing be the responsibility of the contractor, or will the Government hire a third party testing agency to perform this work?

Answer 26: Specific tests identified in the Statement of Structural Tests and Special Inspections and marked as “REQUIRED” on the left of the table will be provided by the Government (reference section 014000). All other testing required within the documents shall be provided by the Contractor.

Question 27: The documents indicate that Northwestern Energy will be installing a new transformer for the building. This work will tie into relocation of the existing electric service which needs to be temporarily relocated to construct the new stair tower addition. Has Northwestern Energy been provided with building loads? Has NPS signed a contract with Northwestern Energy to get this work scheduled, and the transformer on order?

Answer 27: There is no new transformer for the building anticipated at this time. The existing transformer is to be relocated further away from the building to allow excavation for the stair tower. See detail 12/E4.0, keynote #10 for more information about relocating existing transformer. Northwestern Energy has been provided with building loads and is verifying the existing transformer size and new proposed location. Contractor will be required to work with Government and Utility to schedule the work within the normal course of construction.

Question 28: There are many areas in the building where the existing floor joists appear to be out of level and sagging. Will the contractor be responsible for leveling and truing the existing floors?

Answer 28: At this time, no structural floor leveling is anticipated.

Question 29: Would the government consider substituting fiberglass insulation in lieu of Roxul Rockwool insulation throughout the building?

Answer 29: Fiberglass insulation is not acceptable to the government.

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Question 30: Would the government consider allowing the contractor to utilize plenum rated wiring in lieu of hard piping control wiring in the attic and crawlspace?

Answer 30: Refer to Answer #4 above.

Question 31: Would the government consider allowing the contractor to utilize MC cabling in lieu of hard piping power distribution circuits in the attic and crawlspace?

Answer 31: No, MC cable is only allowed in concealed ceilings, walls, and partitions per specifications.

Question 32: Would the government consider allowing the contractor to substitute pine or poplar in lieu of VG Douglas Fir for interior standing and running trims?

Answer 32: For new interior standing and running trims indicated to match in-kind historic, provide trim profiles and sizes that match the historic trims detail and pattern exactly. Where painted, contractor may substitute, upon government approval, any closed-grained hardwood meeting the AWI requirements for premium grade trims. Where transparent finished, match existing species in-kind.

Question 33: Would the government consider waiving the FSC requirements on wood products for this project?

Answer 33: Refer to Answer #21 above.

Question 34: Would the government consider allowing the contractor to substitute pex piping in lieu of copper for all small bore water distribution (less than 2” in diameter)?

Answer 34: PEX piping is not allowable for small bore water distribution. All domestic water piping shall be copper.

Question 35: Would the government consider allowing the contractor to substitute PVC piping in lieu of cast-iron for drains, waste and vent?

Answer 35: No PVC piping shall be used for domestic waste and vent piping. All waste and vent piping shall be cast iron to reduce noise.

Question 36: Would the government consider allowing the contractor to substitute pvc (orange pipe) in lieu of steel pipe for the fire suppression system?

Answer 36: No PVC piping shall be used for the fire suppression system. The Park standard is schedule 40 black steel only.

Question 37: Would the government consider allowing the contractor to leave the existing attic insulation in place, in lieu of removal and replacement?

Answer 37: No

YELL 205796

Question 38: Would the government consider allowing the contractor to substitute 6 mil visqueen in lieu of the EPDM sound attenuation membrane called out on all of the sound walls?

Answer 38: No. Visqueen is not an acceptable substitution for EPDM sound attenuation membrane as it has no sound reduction qualities.

Question 39: Would the government consider allowing the contractor to substitute bronze colored acrylic panels in lieu of the solid sheet bronze panels backing all of the Type D, P, R, S and SP signage?

Answer 39: No, bronze plate as indicated is desired to continue the standard established in previous phases of the work.

Question 40: The contractor has the option of utilizing a linear heat detection system in lieu of a full time fire watch during hours when hot work is not being done. Should this linear heat detection system have its own monitored panel, or can we tie into the panel in the hotel lobby?

Answer 40: The statement of the contractor having an “option” of utilizing linear heat detection is not accurate. The scope of work requires installation of a temporary fire detection system. Yes, the linear heat detection system can be tied into the existing panel’s SCL circuit.

Question 41: Should all hydronic piping be sloped to drain?

Answer 41: Yes, all hydronic piping shall be sloped back towards mechanical room for system draining.

Question 42: Should domestic water piping be sloped to drain?

Answer 42: Yes, all domestic water piping shall be sloped to drains as shown on P3.0.