Clarifications dated 8-5-21.pdf

Solicitation Number: 36C25621R0114

Questions: Answers:

On the Phase 1 (Site Prep EP Lab) drawings, sheet I‐201 detail 7 and the equipment schedule differ in the following ways:

a. 3C‐419

i. M5180 is shown on detail 7. It is not on the room finish schedule and also not on detail 5 or 6, which show vertical details of the room.

b. 3C420

i. M5180 is shown on detail 7 but not the schedule.

ii. A1122 is shown on detail 7 but not the schedule.

iii. A5108 is shown on the schedule but not the details.

iv. F3050 is shown on the schedule but not the details.

v. M3175 is shown on the schedule but not the details.

vi. M4812 is shown on the schedule but not the details.

vii. M7845 is shown on the schedule but not the details.

viii. X6175 has one unit shown on the details but has a quan ty of two on the schedule.

ix. X2125 has one unit shown on the details but has a quan ty of two on the schedule.

x. M4266 has one unit shown on the details but has a quan ty of three on the schedule.

Furniture, Fixtures, and Equipment shown on plans and schedules are for coordination and special purposes only, not to be used for activation or purchasing. Any equipment that is not wall mounted does not show on elevations. (M5180 (instrument table) A5108 (sharps disposal bin) ai, bi, iii, M4812 vi, M7845 vii, M3175 v. ) ii. A1122 is shown on detail 7 but not the schedule. (Phillips Equipment, please reference Phillips drawings)

iii. A5108 is shown on the schedule but not the details (under the sink, this is similar to trash can but for sharps disposal only).

iv. F3050 is shown on the schedule but not the details ( whiteboard is a VA activation item to be placed at VA discretion).

v. M3175 is shown on the schedule but not the details. ( this is a alternative to a scalpel for cutting tissue, it requires power, it for coordination purposes only so that electrical outlets are provided)

viii. X6175 has one unit shown on the details but has a quan ty of two on the schedule. (Phillips Equipment, please reference Phillips drawings)

ix. X2125 has one unit shown on the details but has a quan ty of two on the schedule. (VA activation item and quantity to be placed at VA discretion)(x. M4266 has one unit shown on the details but has a quantity of three on the schedule. (these pumps are placed on the IV stands, there can be multiple on one IV stand, VA activation item and quantity to be placed at VA discretion)

On the Phase 1 drawings, Sheet AD‐101 key note 11 shows the removal and relocation of two push pads. Sheet A‐101 shows only one relocation spot. Please specify the location of the second push pad.

On sheet AD‐101, please remove Note 11 for Ante room door.

On the Phase 1 (Site Prep EP Lab) drawings, sheet MH102 states to use a crane or rigging device to set the new exhaust fan and/or condensing unit. For pricing purposes, please provide the height of the building at the area labeled “L” shown on the bottom right‐hand corner of sheet

MH102.

Rigging can be done to lower fan from higher adjacent roof. The height of building at area L is approximately 60ft.

On the Phase 1 (Site Prep EP Lab) drawings, sheet MH102 states to use a crane or rigging device to set the new exhaust fan and/or condensing unit. Is the existing roof structurally sound to accept the new exhaust unit or are there any anticipated structural repairs or rework required?

No structural repairs or rework anticipated.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

On the Phase 1 (Site Prep EP Lab) drawings, sheet MH102 has a unit labeled CU‐3C‐443 that is not present on the schedules provided on sheet M‐601. Please provide information regarding this unit.

CU‐3C‐443 is scheduled in the right half of the Ductless Split Schedule.

Phase 1 (Site Prep EP Lab) Drawing M‐501, Detail #3 shows the roof curbs and states to refer to architectural drawings for type. However, there does not appear to be any information regarding the existing roof type. Please provide description of the existing roof type, along with information about any current warranty, manufacturer, etc.

Roofing system is Tremco Incorporated ‐ Base & Cap Ply Cold BUR, completed in 2009 with 20 year warranty.

Drawing S‐101, within the large detail on the top left, it states, “EP Lab – Partial Existing 4th Floor Framing Plan Above Interstitial Ceiling. Is there a 4th Floor above this area? We are under the impression that it’s the roof area above the interstitial space.

The roof structure is above the EP Lab. Roof area is located above the 3rd floor interstitial area.

Does Phase 1 (Site Prep EP Lab), Drawing QH‐105, shows on the Philips drawings a [ZG] Zero Gravity, but it lists this under “Items Not Listed on Philips Quote”. However, this item is not included on the Stryker drawings either. Please clarify this item, who is providing, installing, testing, etc.

The Philips equipment will be provided and installed by Philips under a separate contract by others. The GC shall coordinate with Philips on all other associated work for a complete installation.

Phase 1 page A601, Door 421 is indicated in the Schedule as a pair of 3‐6 doors. On A101, it is drawn as a single door 3‐0 door. This should be corrected.

Door 421 should be a 3'‐0" wide door. Door 443 should be the (2) 3'‐6" wide pair of doors.

The Phase 1 (Site Prep EP Lab) specifications have a section labeled “(06 10 00) Rough Carpentry” on the table of contents. Specification section (06 10 00) is not in the specification package. Does the table of contents for Phase 1 need to be updated or is section (06 10 00) missing?

06 10 00 is not required and is not part of the specifications.

Who is responsible for providing the RF panels in the vertical walls?

There appears to be gap, as the walls have RF panels going up to 7’ AFF, but the ceiling height is 9’‐6”. There is a two‐half foot gap between the walls and ceiling.

Doors and glazing shall be shielded per non‐MRI requirements.

The GC will be responsible for the lead shielding. The lead shielding is only required to be 7'‐0" AFF with these types of rooms. The walls shall be flush from floor to ceiling.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

On the Phase 2 (Site Prep Cath Lab) drawings, sheet A‐101 sheet note F states “This project will include testing of the existing RF‐shielding enclosure and replacement of any panels as required to provide a continuous and effective RE‐shield.” Given that this is an undefined scope that does not have a defined quantity until after a survey has been completed, will the VA give a quantity for the contractor to price, or should the contractor only include the testing and anything repair would be followed by a change order? If neither options are acceptable, how will the VA evaluate what exact scope is included by each Contractor?

Lead shielding is required in lieu of RF‐shielding. In addition to what's called out on the drawings, the GC shall include the cost for material and labor to install an additional 100 SF of lead shielding for unforeseen conditions.

On the Phase 2 (Site Prep Cath Lab) drawings, sheet 1‐101 detail 5 the gypsum board and metal stud have a note saying “by others” attached to an arrow pointed at them. Does this mean it will be installed by others, is it next to another piece like it, or something else? Please clarify the meaning of “by others”.

The GC is responsible for the studs and gypsum board related to this detail and any new work.

On the Phase 2 (Site Prep Cath Lab) drawings, sheet I‐201 detail 5 shows a unit labeled M4266. That unit does not appear in the schedule or in the other details. Please provide more information about this unit.

M4266 is a volumetric infusion pump that is incorporated into the IV stand already, it is used to control the flow of intravascular drugs/fluids/blood to patients VV item. This is an owner furnished and installed item.

Sheet: I‐101 Topic: Casework Deduct Does Deduct Alternate # 1 include the deduction of the countertop below the Cath Lab viewing window as well as the deduction of the casework? Or is the countertop still to be installed using wall brackets rather than being installed on top of the casework?

Casework deduct is only to include casework in the EP Lab and Cath Lab.

Control room casework is not included in the deduct.

Sheet: AD101 Topic: Mechanical Work Room Drawing AD101 (Part II) keynotes 12 and 13 indicate that a portion of the ACT ceiling system is to be demolished completely, while in another portion the tiles are to be removed but the grid is to remain. The keynotes do not clearly indicate where the grid is to be removed and where it is to remain, as the keynotes on the drawing are placed outside of the work area. Please clarify which part of the ceiling grid is to be removed and which part is to remain.

In areas called to be removed and replaced, GC shall only remove and replace what is necessary to facilitate the work above the ceiling.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Sheet: A‐110 Topic: Spray‐Applied Fireproofing Drawing A‐110 (Part II) indicates that spray‐applied fireproofing is required for this project. Please provide specifications for spray applied fireproofing.

See updated specifications that include spec section 07 81 00 Applied Fire Proofing.

Sheet: MH101 Topic: Keynote 1 Mechanical Drawings Keynote 1 on drawing page MH101 (part II) is blank. Please advise on what keynote 1 is intended to indicate.

Keynote 1 on MH 101 hereby instructs the contractor to provide stainless steel duct downstream of the HEPA filter.

Sheet: MH102 Topic: Rooftop Condensing Unit Is Condensing Unit shown on MH102 (Part II) existing or is this to be provided and installed?

CU‐3C‐344A is a new Condensing Unit to be installed and is scheduled on M‐ 502.

Spec: 08 80 00 Topic: Glazing Scope Part II The drawings for Part II of this project do not show any new glazing work, however the glazing specification is included. Please confirm there are no new windows or glass as part of the scope of Part II of this job

There is no glazing required in Phase II of this job.

Sheet: I‐201 Topic: Dry Erase White Boards Drawing I‐201 in Part 1 of the drawing set indicates that the VA is to furnish the dry erase white board, while on I‐201 in Part 2 it indicates that the contractor is responsible for furnishing the dry erase white board. Please confirm that the contractor is to furnish the white board called for in part 2, and that the VA will furnish the white board called out in Part 1.

Both whiteboards are to be marked VV, to be provided and installed by VA

Phase 1 (Site Prep EP Lab) and Phase 2 (Site Prep Cath Lab) Drawing I‐ 101, Detail #6 (Phase 1) and Detail #5 (Phase 2), states, “Steel stud and gypsum wallboard (by others).” Please clarify if this steel stud and gypsum wallboard are not to be provided by the GC.

Steel stud and gyp board are to be provided by GC. This is the manufacturer detail saying that the corner guard manufacturer will not be providing drywall or steel studs.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Phase 1 (Site Prep EP Lab) and Phase 2 (Site Prep Cath Lab) Drawing A‐ 110, Detail #2 includes a statement that Philips is providing ceiling grid and pad. But, on that same drawing, Detail #1, includes key note #3, which states that GC is to provide new ceiling grid and ceiling tile. Please clarify the discrepancies on these two details for Philips vs GC.

Philips/ STRYKER will be responsible for the ceiling grid and pad inside of the airframe footprint. GC will be responsible for the ceiling grid and pad in all other ceiling areas.

RESPONSIBILITY MATRIX on G‐002 to add minor clarifications that reflect the mentioned responsibilities above.

Both Phase 1 (Site Prep EP Lab) and Phase 2 (Site Prep Cath Lab) drawings, sheet FX001 general note 7 state the contractor should obtain flow test data for water flow and pressure, and if a test has not been conducted then the contractor needs to make arrangements and include in the pricing. Has a flow test already been conducted? If so, please release the results of the testing.

See test results attached.

Phase 1 (Site Prep EP Lab) and Phase 2 (Site Prep Cath Lab) Drawing A‐ 110, Detail #2 has the ceiling height of 9’‐6”, but Drawing QH‐100 shows the ceiling height of 9.6’. Please clarify the ceiling height.

The ceiling height is 9'‐6"

Phase 1 (Site Prep EP Lab) Drawing AD‐101, Detail #2, Note #14, states to remove existing uni‐strut structural system from the roof above;

Salvage is possible. Please confirm if the Unistrut goes through the interstitial space to the roof above, or is this reference intended to mean the interstitial deck above.

The note refers to the roof main structure above. The Uni‐strut extends thru the interstitial space and connects to the main roof structure.

On both the Phase 1 (Site Prep EP Lab) and Phase 2 (Site Prep Cath Lab) drawings, sheet AD‐101 note 1 reference A‐001 for symbols and abbreviations. Sheet A‐001 is not included in either drawing package.

Please provide sheet A‐001 for both Phase 1 and 2 drawings.

Symbols and abbreviations are included on G‐002. Please reference G‐002 in lieu of A‐001.

On both Phase 1 (Site Prep EP Lab) and Phase 2 (Site Prep Cath Lab) drawings, spray‐on fire proofing is shown on the details of the interstitial slab. There is no specification to refer to for spray‐on fireproofing in either the Phase 1 or 2 specifications. Please provide some specifications to reference regarding the spray‐on fireproofing.

See updated specifications that include spec section 07 81 00 Applied Fire Proofing.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Sheet: Phasing Topic: Phasing Please confirm if phase 1 and phase 2 can run concurrently, or if Phase 1 needs to be completed prior to starting phase 2? Is there any downtime between phases for equipment / staff moving if so?

Phase 1 and Phase 2 cannot be run concurrently. The final phasing is the decision of the authority having justification. Please confirm with VA.

On sheet G‐002 the responsibility matrix marked that Stryker is responsible for the “design/fabrication/install structure to support SLD Airframe System…” as well as marking that Stryker is responsible for “Philips new Uni‐strut channel support.” Please confirm the referenced structure to support the SLD Airframe system is the Uni‐strut and Stryker will be responsible for the install of that material.

STRYKER responsible for design/Fabricate/Install structure to support SLD AirFRAME system and all Stryker booms and lights. STRYKER to provide services for installation/ incorporation of Phillips mounting rails and requirements.

Please refer to specification 01 00 001.5 SPECIFICATIONS AND DRAWINGS FOR CONTRACTOR for further information. The Contractor is responsible for clarifying all work packages with the vendors listed.

Please confirm that the GC is not responsible for providing the radiation physicist referenced in the QH drawings.

Only lead shielding is required. Please refer to specifications 08 71 00 Door hardware, 09 29 00 Gypsum Board, and the attached revised 13 49 00 Radiation Protection. All final proposed work should be governed by and is subject to the VA‐retained physicist's review.

Drawing MH‐101, Detail #3, shows duct work on the “fourth floor”.

Please confirm that this is a typo, and the ductwork is actually located in the interstitial space above.

This is a typo and should indicate interstitial space above.

Please confirm that all new routing and relocation of existing med gas lines are as shown on the drawings.

Contractor to base med gas utility pricing on existing drawings. Allow for approximately 40' of piping/tubing for Nitrous Oxide & Carbon Dioxide gases from existing riser.

Sheet: AD100 Topic: Furniture Keynote 25 states VA to remove l furnishings, equipment, carts, and wall mounted devices prior to starting demolition activities. Store for possible re‐install.’ Does this indicate that prime contractor is responsible for offsite storage and re‐installation of equipment? Please confirm.

The VA will remove and store these items. Contractor is only responsible to reinstall items as listed on sheet I‐201.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Sheet: AD101 Topic: Shielding Info Please provide dimensions for existing IPU that is getting relocated. Also, please provide RF shielding as‐built conditions.

The existing isolated power system panel (IPU) is being demolished. Not relocated.

The rooms require more than 8 isolated power circuits based on the new equipment (i.e. booms). Two duplex IPS panels to replace the old single panel.

Sheet: A‐100 Topic: Mechanical Work Room Sheet A‐100 refers to “MEP work performed in Mech Bay – 11 to be coordinated with drawings and COR to ensure hospital remains operational.” Please elaborate on the impact of scheduling that this note implies. Shutdowns? Off hours, etc.?

Please refer to specification 01 00 00 H. 'Phasing' ‐ No utility service such as water, gas, steam, sewers, or electricity, or fire protection systems and communications systems may be interrupted without prior approval of COR.

Electrical outages shall not exceed 4 hours unless otherwise permitted by COR. Electrical work shall be accomplished with all affected circuits or equipment de‐energized. When an electrical outage cannot be accomplished, work on any energized circuits or equipment shall not commence without a detailed work plan

For both the Phase 1 (Site Prep EP Lab) and Phase 2 (Site Prep Cath Lab) specifications, there is no concrete section. Given that the interstitial slab is made of concrete, please provide a concrete specification section.

See concrete specifications attached.

Spec Section 13 49 00, para 1.5(H) states to submit signed and sealed design drawings and calculations from a responsible design professional.

As a design‐bid‐build project, sealed design drawings and calculations should have already been completed. Our suppliers/installers will have information regarding their compliance with RF shielding, but they do not include drawings or calculations. Please advise if this scope/submittal is applicable, and if so, please provide more clarification and direction.

See revised specifications 13 49 00 Radiation Protection attached. These specifications are included for each phase.

GC shall coordinate lead shielding installation with VA radiologist/ VA‐ retained Physicist for all requirements.

Specification Section 01 00 00, para 1.2, gives a catch‐all that the Contractor is responsible for coordinating all work, including those performed by firms outside of the contractor/VA contract, and that Contractors are to clarify work packages with the VA vendors (Philips, Stryker, etc.). While we understand that it is the GC’s responsibility to coordinate work efforts to provide a complete, finished product, please confirm that the GC is not responsible for missing design elements that are required to provide a complete renovation and installation of VA‐ contracted specialty firms, such as Philips and Stryker.

Please refer to contractor responsibilities related to 01 00 00 1.8

ALTERATIONS.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Specification Section 01 00 00, para 1.2, states to clarify work packages with the VA vendors (Philips, Stryker, etc.). If there is a discrepancy between the two sets of drawings, which set takes precedence? The QH drawings all include “for reference only”, so we are assuming the Apogee drawings should take precedence.

The QH drawings shall take precedence. Per sheet QG 104, Any room preparation requirements for Philips equipment indicated on these drawings is the responsibility of the contractor.

The contractor is responsible to coordinate and identify site readiness for successful equipment installation. Please see sheet QH 141 ‐ Site Readiness Checklist. This form is to be used by the contractor.

Please refer to specification 01 00 001.5 SPECIFICATIONS AND DRAWINGS FOR CONTRACTOR for further information. The Contractor is responsible for clarifying all work packages with the vendors listed.

Line Item #4 states to replace epoxy flooring with welded sheet flooring.

Please provide the specifications and schedule for the type, color, manufacturer, etc., so we can price this option.

Alternate to Epoxy Flooring for deduct only: Armstrong: Lamb’s Wool – H6003 Welded Sheet Flooring.

Section 01 45 35, para 1.1A states, “In addition to the special inspection and testing specified requirements, a registered design professional must perform structural observations during construction.” It further states that this individual will be from the DOR team, which is under the VA contract. Under para 1.3B, it states that structural observations will be performed by the Government. However, under 1.4H, it states that the Special Inspector of Record must be an independent third party hired directly by the Prime Contractor and is required specific project conditions; it then lists out specific project conditions. Please identify if a Special Inspector of Record is in fact required, and if so, please confirm that the VA will provide this individual from the DOR team. But, if a contractor is providing, which condition listed under 1.4H is applicable to this project?

GC is responsible to provide a third party independent inspector when the specifications call out to do so. The special inspector of record is not required for items listed in paragraph 1.4H.

Section 01 45 35, part 3, para 3.1 provides a responsibility matrix.

However, under “Condition”, which identifies when certain responsibilities are required, it lists, “Applicable when SIOR is required”.

Can the VA please provide clarify on this specification section and let Offerors know what is exactly required from them, when, and for what scope.

The SIOR is not required.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Following Section 01 45 35, there is a table of “Qualifications” for inspections. This table does not state which of the inspections is required. Please clarify the applicability of this table, specifically which qualifications is to be used on this project, and if the Contractor is to provide any of these qualifications.

Please disregard ‐ this is a duplicate of the 'Qualifications' table included on 01 45 35‐6.

The equipment schedule includes a five cubic foot refrigerator that is Contractor provide/install. Please provide the specifications for this accurate pricing can be achieved.

New refrigerator(s) will be VA furnished/VA installed. JSN# ‐ R6200 .

Demolish existing sprinkler heads and associated branch piping, as required, back to the mains. Reuse existing piping to the maximum extent practical. Install new sprinkler heads to provide the required coverage for the new floor/ceiling plans. (This item is indicated as SLD responsibility, Think it is a typo, should this be a Contractor responsibility? )

Sprinkler piping and head replacement shall be the responsibility of the Contractor. Placement of new heads shall be close to the edge of the new SLD Airframe structures to provide adequate coverage in each procedure lab.

Contractor shall coordinate sprinkler head placement with new SLD airframe placement in the ceiling grid.

Room lighting and control outside of airframe perimeter (This item is indicated as SLD responsibility, Think it is a typo, should this be a Contractor responsibility)

That is a typo, the lighting outside the airframe perimeter is the contractor's responsibility.

The responsibility matrix on G‐002 was reviewed with Stryker, SLD. Stryker, SLD to confirm the room lighting and control outside of the airframe perimeter shall be contractor responsibility.

Specification for Radiation Protection includes:

1. Radiation protection with and lead lined products at the IR where indicated on drawings.

2. Sound wave protection with and copper sheet lined products at the IR where indicated on drawings.

3. RF Shielded IR entrance doors and stainless steel door frames.

The Specification includes verbiage for both Radiation and Radio Frequency Shielding. Please clarify as Lead Lining and RF Shielding are different processes and this project does not included MRI equipment.

Only lead shielding is required. Please refer to specifications 08 71 00 Door hardware, 09 29 00 Gypsum Board, and the attached revised 13 49 00 Radiation Protection.

The specification could indicate a requirement that the rooms be copper AND lead lined. This is very unusual. I have never seen a combined Lead/RF Shield. Please Clarify.

The EP Lab and the CATH lab only require Lead shielding.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Spec: General Conditions Topic: Management Please confirm personnel requirements for this project. Can (1) superintendent fulfill SSHO requirements? Or does (1) superintendent and (1) SSHO need to be on site full‐time? Does a QC manager need to be separate than the SSHO or superintendent positions?

The Superintendent can fulfill the SSHO requirements as long as they have the qualifications to perform this task. Qualifications shall be submitted after award for VA approval. The QC Manager shall be separate than SSHO or superintendent.

Spec: 23 09 23 Topic: BAS Does prime contractor need to hire 23 09 23 controls? Does prime contractor have hire third‐party DIV 25 integration contractors?

Yes, the Contractor shall hire a Controls Contractor to integrate the new controls with existing BAS platform(s).

Spec: 07 ‐ Roofing Topic: Roofing Warranty Please confirm who has roofing warranty and provide point of contact for the facility.

Roof is under warranty with Tremco Incorporated. POC ‐ 1‐800‐422‐1195.

Spec: General Conditions Topic: Material Staging Please confirm if contract has material staging location at facility. If so, where is it? Is prime contractor responsible for any costs associated with staging?

See SOW paragraph 3.8. Contractor will be responsible for staging costs.

Spec: Concrete Topic: Missing Specs Please provide 03 – Cast in Place Concrete specification section as there is work related to this in the drawings, but no specification.

See section 2 "Concrete" notes on drawing S‐101 and refer to spec 3 30 00 ‐ Cast‐In‐Place Concrete attached.

Topic: Slab Thickness What is the thickness of the floor slab in the Cath Lab and EP lab? Total slab thickness is 7 1/2" including 2" metal deck.

Topic: Deck Height What is the height of the deck relative to the floor slab in the Cath Lab and EP Lab?

The deck height is approx. 10'‐1 1/2" +/‐ from the floor slab.

Is there a proprietary contractor that is responsible for the fire alarm system in the Cath Lab and/or EP Lab?

No.

Is there a proprietary contractor that is responsible for the fire suppression system in the Cath Lab and/or EP Lab?

No.

Is there a proprietary contractor that is responsible for the Direct Digital Controls (DDC) system in the Cath Lab and/or EP Lab?

No.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Is there a proprietary contractor that is responsible for Nurse Call and Code Blue System in the Cath Lab and/or EP Lab?

No. The existing NC system is Rauland Borg. Refer to specification section 275223.

Is there a proprietary contractor that is responsible for the RF Shielding in the Cath Lab and/or EP Lab?

Lead shielding is required in lieu of RF‐shielding. No, there is no proprietary contractor for this work.

Is there any downtime between the EP and Cath Lab phases? Can we perform this work concurrently?

EP Lab shall be completed and operational before work on Cath Lab can commence. The VA anticipates a two‐month period after VA takes occupancy of the EP lab to allow the VA to activate the space.

Does Phase 1 (Site Prep EP Lab) have to be completed before Phase 2 (Site Prep Cath Lab) can commence? Or, can we perform the work concurrently?

EP Lab shall be completed and operational before work on Cath Lab can commence. The VA anticipates a two‐month period after VA takes occupancy of the EP lab to allow the VA to activate the space.

Please confirm that only the specifications and drawings related to the EP Lab will be followed for the EP Lab scope, and only the specifications and drawings related to the Cath Lab will be followed for the Cath Lab scope.

Confirmed. The specifications and drawings related to the EP Lab will be followed for Phase I, and the specifications and drawings related to the Cath Lab will be followed for Phase II.

On both phases, the schedule page indicates that the shielded doors are to be RF Shielded this is unclear, because RF is the typical term used for Radio Frequency Shielding for MRI.

Lead shielding is required in lieu of RF shielding.

Revised spec 13 49 00 Radiation Protection is attached for both project phases.

Please indicate if there are any hazardous materials on this project that would require abatement, including but not limited to, asbestos and lead based paint. If so, please indicate the location and quantity (e.g., linear footage, square footage, cubic yards, etc.).

VA is not aware of any hazardous materials on this project that would require abatement, including but not limited to, asbestos and lead based paint located in the project area. Building 100 was built in the late 80s/early 90s.

Is there existing fall protection tie‐offs on the existing roof that personnel can utilize during placement of the new exhaust fan and/or condensing unit?

The davit system may be available in this area; however, the GC is responsible for verifying and recertifying the system for use for safety purposes.

Please confirm that all required utilities needed for construction (power, water, etc.) will be provided by the Houston VA at no cost to the contractor. If not, please identify which utilities are not available to the contractor.

Yes, all required utilities needed for construction (power, water, etc.) will be provided by the Houston VA at no cost to the contractor.

Are there any city or county permits required on this project? If so, please state which permits to include cost/fees.

No

Please identify any scopes of work that will need to be done outside of regular working hours (evenings, nights, weekends, etc.).

Work that interferes with the hospital operations will need to be coordinated and approved by the VA COR as project is located adjacent to occupied areas.

This includes, but not limited to, work that generates excessive noise, vibrations, fumes, outages. Page 11 of 14

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Because this work is located on the third floor, has the VA evaluated a path of ingress and egress for the concrete and steel scopes? For example, is it permitted to remove louvers or windows within either the Mechanical Bay (2C‐418A) or Bed Cub (3C‐450)? The Contractor will require reasonable access to the jobsite, but, while access plans have been provided, it doesn’t appear to account for concrete pumps, structural steel, etc., to be brought within the hospital in an efficient manner. This may require impacting adjacent areas, which the VA will need to approve prior to bid day.

Contractor to construct per plans as indicated in drawings. Proposed means and methods for specific activities is the responsibility of the contractor.

Topic: Concrete Please provide concrete spec for interstitial slab.

See section 2 "Concrete" notes on drawing S‐101 and refer to pec 3 30 00 ‐ Cast‐In‐Place Concrete attached.

Topic: Fire Alarm Please provide FA contractor for the building.

The contractor is responsible for fire alarm scope of work. Refer to specification section 283100. Existing system is EST‐3.

74 Is a pre‐tab report required for a formal submission?

Yes, a pre‐tab is required for AHU‐55 serving the EP Lab. The report will be a required submittal for VA review.

For roof‐top mechanical and electrical work, can we reuse existing penetrations?

There are no existing roof‐top penetrations.

The contractor shall include the cost for new penetrations.

The drawings appear call for 4” metal studs. Those type of studs have significant lead time and costs. Would 3‐5/8” be acceptable?

Yes.

77 Are there any LEED requirements on this project? No

Is this project tax exempt? If so, will the government provide a tax exempt form to the awarded contractor so that they may provide it to their subcontractors?

See SOW paragraph 4.3.

Please confirm that both Philips and Stryker are already contracted by the Houston VA on a separate contract and will not need to be subcontracted by the contractor at any point for this project.

Philips and Stryker are contracted by the Houston VA on separate contracts.

Who is responsible for providing the uni‐strut system?

STRYKER is responsible for design/Fabricate/Install structure to support SLD AirFRAME system and all Stryker booms and lights. STRYKER is to provide services for installation/ incorporation of Phillips mounting rails and requirements.

Please refer to specification 01 00 001.5 SPECIFICATIONS AND DRAWINGS FOR CONTRACTOR for further information. The Contractor is responsible for clarifying all work packages with the vendors listed.

Who is responsible for providing the RF panels in the ceiling in both the EP and Cath Lab?

RF panels are not required in the ceiling of the EP and Cath Lab

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Topic: Site Walk ‐ Roof Photos Can you provide photos of existing roof as it was not included in the site walk?

See pictures attached.

Please provide a detail of the exterior ductwork that runs along the perimeter of the building to the rooftop exhaust fan. How is this ductwork to be secured to the exterior of the building.

The proposed route is from the EP lab, along the corridor, into the adjacent mechanical bay, and up through the existing chase to the high roof. Exhaust duct shall not be routed/secured to the exterior of the building, except for roof‐top support elements.

Please confirm that the SSHO can be fulfilled by the Superintendent.

The Superintendent can fulfill the SSHO requirements as long as they have the qualifications to perform this task. Qualifications shall be submitted after award for VA approval. The QC Manager shall be separate than SSHO or superintendent.

Please confirm that the commissioning agent referenced in 23 05 11 is provided by the VA.

The commissioning agent shall be hired by the Contractor.

Please confirm that there is no commissioning required on this project.

If yes, please confirm that the Commissioning Agent is to be provided by the VA.

HVAC Commissioning is required for this project, and the Contractor is responsible for hiring the commissioning agent.

Is there an existing zone valve box that will allow for certification of only the new med gas work, and no other existing or outside lines will require re‐certification?

Connections at riser and all tubing/piping downstream to new point of use locations shall be re‐certified.

Please clarify the extent of work required for a code blue nurse call system.

New nurse call devices to be connected to the existing Rauland Borg nurse call system. The existing NC panel is shown in the mechanical/electrical bay.

Refer to specification section 275223.

Are we to dispose/abate of any asbestos, lead, mold or other hazardous material as part of this project? If so, provide appropriate hazardous material site survey report.

VA is not aware of any hazardous materials on this project that would require abatement, including but not limited to, asbestos and lead based paint located in the project area.

90 What will the ICRA level be for this project? See G‐102 and G‐501 for the ICRA requirements.

Are there any required subcontractors that must be used as a part of this project?

No

Can all work associated with this project be performed during regular working hours?

Work that interferes with the hospital operations shall be coordinated and approved by the VA COR as project is located adjacent to occupied patient areas. This includes, but not limited to, work that generates excessive noise, vibrations, fumes, outages.

Project: 580‐18‐111 Site Prep for Cath Lab #2 and EP Lab Clarifications dated 8/5/2021

Please provide a radiation shield design or lead thickness for the doors and a lead equivalency for the windows.

1. Gypsum Wallboard: ASTM C1396/C1396M, Type X, 16 mm (5/8 inch) thick, lead thickness to be 1/16”.

2. Door ‐ 1/16”.

3. Windows ‐ 2 layers of 3/8” thick X‐Ray Safety Glass

Spec: Med Gas Topic: Med Gas Certification Does prime contractor owe re‐certification for the med‐gas system that is scheduled to be remove and reinstalled?

Yes, the Contractor is responsible for the costs associated with the re‐ certification of the new med gas utilities provided to each boom arm in the procedure rooms.

Topic: Deck Height Please confirm height to ceiling (act / gyp board), and then please confirm height to deck.

For Phase I ‐As per Section 4/A‐101, ceiling ht. +9’‐6”. Underside of new interstitial slab +‐11’‐1”.

For Phase II‐ As per Section 2/A‐110, ceiling ht. +9’‐6”. Underside of new interstitial slab +‐11’‐1”.