18R0001_Amendment_0008.pdf

ACQR4887155

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

INDEFINITE DELIVERY INDEFINITE QUANTITY SMALL BUSINESS MULTIPLE AWARD CONSTRUCTION CONTRACT FOR NEW CONSTRUCTION, REPAIR, AND RENOVATION OF VARIOUS FACILITIES AT PUBLIC WORKS DEPARTMENTS WASHINGTON, JOINT BASE ANACOSTIA-BOLLING, BETHESDA AND QUANTICO, NAVFAC WASHINGTON AREA OF RESPONSIBILITY INCLUDING BUT NOT LIMITED TO

WASHINGTON, D.C., MARYLAND AND VIRGINIA

The purpose of this amendment is to provide Responses to RFIs.

Proposal due date/time remains DECEMBER 13, 2018 2:00 PM EST.

All other terms and conditions remain unchanged.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 42

16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

16C. DATE SIGNED

BY 04-Dec-2018

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X N4008018R0001

X 9B. DATED (SEE ITEM 11)

22-Dec-2017

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

X The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offer is extended, X is not extended.

Offer must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended by one of the following methods:

(a) By completing Items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN

REJECTION OF YOUR OFFER. If by virtue of this amendment you desire to change an offer already submitted, such change may be made by telegram or letter, provided each telegram or letter makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NO. AS DESCRIBED IN ITEM 14.

A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(B).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not, is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

04-Dec-2018

CODE

NAVAL FACILITIES ENG COMMAND

1314 HARWOOD STREET SE

WASHINGTON DC 20374

N40080 7. ADMINISTERED BY (If other than item 6)

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86. The Room Requirement Sheet for the Fractures Lab lists the Acoustic Chamber. Will this be installed by the government or Contractor? If by the Contractor, please provide product data.

Response: Chamber will be installed by Government at a later date.

100. Part 5, Specification Section 024100-3.1 mentions some items to be delivered to a location determined by the Contracting Officer. Is there anything that is to be removed from this project that should be turned over to the government or should it all be hauled off-site?

Response: All will be hauled off site.

101. Appendix D provides the Asbestos Report.

a. Are we to assume we are only to abate these materials as affected by our project and anything not disturbed can remain?

Response: Comply with all regulations for abatement of materials affected by demolition and construction activities.

b. The report lists certain ACM’s such as: floor tile, floor tile mastic, duct mastic, pipe fittings and sprayed insulation. Are we to assume ALL similar items in other rooms or spaces that are encountered are to be handled as ACM? For example, will ALL duct mastic throughout the project be assumed to be ACM? Or only the locations and quantities listed in the report?

Response: Refer to specification section 01 35 26.05 20 for instructions should unforeseen hazardous materials be encountered.

c. The utility chases/shaft, the corridors and 4th floor mechanical room are not listed on the report.

Are we to assume they contain similar ACM materials?

d. The fume hood in Room 158A is listed as having ACM, but the fume hoods in Rooms 143A and 144A are not on the report. Should we assume they contain ACM as well?

e. Is a full ACM inspection, testing and report required as part of the Design Submissions?

Response: Full ACM inspection, testing and report is not required as part of the design submission. (NAVFAC to confirm) Refer to specification section 01 35 26.05 20 for instructions should unforeseen hazardous materials be encountered.

102. Is any lead paint expected to be encountered on this project?

Response: Lead paint has not been surveyed and may be encountered. Refer to specification section 10 35 26.02 20 for instructions should unforeseen hazardous materials be encountered.

104. Appendix F lists chemicals used in the Synthesis Lab. Should we design the cabinetry, countertops and epoxy flooring for this lab and all the other labs based on this list? If not, what chemicals will be used in the other labs?

Response: This list applies to the chemicals in the synthesis lab only and should be used to inform cabinetry, countertops, and epoxy flooring requirements for this lab.

120. For Bid Item 0002 Option 1 FF&E, please confirm the design fees are to be included in the Bid Item 0001?

Response: Refer to FF&E Notes.

121. Will any FF&E be salvaged by Gov’t?

Response: Refer to demolition notes sheet AD101. Existing workstations and furniture in area of work to be removed by the government. Existing film data storage to be salvaged and turned over to government.

Existing wall mount mailboxes to be salvaged for reinstallation.

124. Please clarify if there is a selected cyber security contractor for this facility and provide point of contact information.

Response: This information will be provided after award.

125. Part 1/Specification Section 01 45 00.05/para 1.4.1references the QC Manager requirements. Please clarify if paragraph (d) which requires a graduate of a four-year college or university be removed and in lieu only have the QC Manager comply with paragraph’s A, B & C.

Response: QC Manager qualifications shall be based on RFP requirements.

126. Part 1/Per RFP/Page 266/ Project Objectives/ Existing Conditions -Reference is made that the awardee shall confirm that the “interior beams appear to be moment connected at interior columns giving a clear indicating that the design was intended to resist lateral forces in the short direction with moment frames and …structural system.” Please provide structural drawings to allow review and confirmation of this matter

Response: Part 6 Attachment C includes all as-built drawings currently available.

130. Part 1/Page 278/ 5.0 Room Description/Uniformat Section C102007 reference is made to reviewing access control systems with end user. Please clarify what are the access control system requirements are and where card key systems/ keypad type access hardware will be required.

Response: Provide access control per section C102007 as indicated in room data sheets and Part 3, Chapter 2.3.7 for labs and secure spaces. Confirm all locations of ACS with user.

136. Part 1/Page 298/ Uniformat Section C3030 references providing seismic hangers for the ceiling finishes.

a. Please clarify which code project is to comply with

Response: Refer to Part3-Chapter2, paragraph 2.4 on p.4.DB contractor is responsible for compliance with all applicable UFCs and codes.

b. Please clarify which seismic zone or category project is to comply with

Response: Use seismic design category “C”. DB contractor to evaluate seismic category and comply with applicable UFCs and codes for ceiling finishes.

c. Please clarify which implementation standard is to be used/accepted

Response: DB contractor is responsible for compliance with all applicable UFCs and codes.

d. Please clarify if only the hangers are to comply with seismic requirement and or if installed finish ceiling system requires seismic compliance.

Response: DB contractor to determine seismic category and comply with applicable UFCs and codes for ceiling finishes.

137. Part/Page 299/ 5.0 Room Requirements reference is made to providing STC 50 for acoustics and Doors are referenced as having STC 45 rating. Please clarify wall assembly for complying with STC50 requirements are under this project.

Response: DB Contractor to determine appropriate wall type to meet STC 50.

138. Doors have been specified to have a less STC rating than the walls. Please confirm STC45 rating is required for doors.

Response: Provide STC 45 doors.

139. Part 1/Page 325/ C102001 Standard Interior Doors reference is made to not use particleboard cores. Page 465 B203001 1.2 Wood Doors references use of particleboard core doors. Please clarify if particleboard core doors are acceptable.

Response: Provide doors according to Part 3 C102001.

140. Part 1/Page 332/ C3030 Ceiling Finishes reference is made to painting exposed structural steel and exposed deck. Please clarify that this only applies if the renovated space will not have a finished ceiling eg ACT/gypsum ceiling.

Response: Correct.

145. Part 1/Page 342 reference is made to performing preconstruction testing and balancing verification of existing conditions for AHU-5,AHU-6, AHU-8 and AHU-9 and to provide a list of description of all deficiencies found to the Government.

a. Please clarify that only testing is to be performed for noted AHU’s.

Response: Only testing and documentation is required for the preconstruction verification.

Balancing must be performed post construction to ensure existing to remain systems of the second and third floor are returned to preconstruction airflows.

b. Please clarify if a cost modification will be issued to this contract to correct existing deficiencies to include balancing.

Response: See response to A above.

149. Part 1/Page 368 FF&E Design Submittal and Meeting Requirements. Requirements state that an Interior

Designer with a (NCIDQ) certification must be obtained to prepare the SID & FF&E package. Please clarify if the cost for obtaining the Interior Designer is part of the Government estimated FF&E $352,761 cost.

Response: Cost for obtaining the Interior Designer is part of the base contract.

151. Part 1/ Page 371/ Movable Furnishings. Please confirm that the cost of the design for the FF&E is to be included in the base bid and not under the option bid.

Response: Base Bid.

152. The following have been noted as being required under movable furnishings. Please provide quantity for each and provide product data sheet;

-artwork/graphics -rugs -accessories -interior landscaping -waste receptacles -recycling container -literature racks -washers -dryers -microwaves, -refrigerators -non plumbed coffee pots and other appliances are required.

Response: Provide waste and recycling receptacles for each occupant for labs and offices. Provide refrigerator, microwave, coffee maker, and other appliances where indicated in room requirement sheets. Confirm appliance sizes with end users. Provide 20 cu ft regrierator minimum. Provide 1100 watt microwave minimum.

153. Part 1/ Page 371/ Window Treatment. Please provide type of required blind eg (manual, electric, double panel, darking panel etc.)

Response: Provide manually operated blinds and shades.

154. Part 1/ Page 376 Asbestos references hazardous material location is found in Part 6 of the RFP. Part 6 does not include report. Please provide asbestos and lead report findings for area of work

Response: Asbestos report is provided in Part 6 Appendix D.

155. Part 1/Page 469/ references providing blast doors. Please confirm this project does not require blast resistant doors.

Response: Provide doors per Part 3 ESRs and room data sheets of RFP. The cost of this project is substantially less than 50% of the plant replacement value. Therefore, provisions of UFC 4-010-001 do not apply. However, where specific features or requirements of this UFC are called out as requirements, they must be met.

156. Part 1/Page 470 references providing card key system where required. Please provide list of rooms that will require card key system.

Response: Provide card access where indicated in Part 3 room requirements and ESRs.

157. Part 1/Page 471 requires cylinders and cores. Please confirm the Government will furnish the cores.

Response: RFP is requiring contractor to provide cylinders and cores.

158. Part 1/Page 471 references providing a master key system for the facility. Reference is also made to keying system must be an extension of the existing keying system.. and if required providing a key cabinet

a. Please clarify if intent is to create a new master key system for the entire facility and or to add on to the existing master keying system.

Response: Add on to existing master keying system.

b. Please provide example of master keying system and clarify what are the credential requirements for creating this keying system.

Response: BEST / STANLEY brand figure 8 core lever type

159. Part 1/Page 475 Roofing.

a. Please clarify if the existing roofing is under warranty and provide contractors point of contact information who holds the warranty.

Response: Single ply asphalt build up with Ballast top, age unknown

b. Please provide type of roofing system in place

Response: Single ply asphalt build up with Ballast top, age unknown

160. Please provide CADD Drawings For: Mechanical, Plumbing, Electric, Structural, Fire Alarm, Roof Section, Roof Plan, Floor plan for 4th Floor Mechanical rooms serving office space.

Response: CAD drawings will be made available upon award.

161. Please provide CADD Drawings for the Concept Design provided in the RFP.

Response: CAD drawings will be made available upon award.

162. Per site visit it was observed that the door frames are one piece welded type door frames and are set in block.

RFP requires removal and replacement of door frames. Please confirm that the existing door frames can be left in place for re-use

Response: If DB contractor can make use of existing frames and comply with all door and hardware requirements indicated in RFP and meeting end user requirements, leaving frames in place is acceptable.

164. Drawing A-101/Note 15 references epoxy flooring. Please clarify type of epoxy flooring required eg cementitious urethane mortar flooring, MMA acrylic flooring, thin film urethane floor coating, polyaspartic floor finish.

Response:

Provide durable floor system with a decorative, stain-resistant surface. Its troweled base provides superior impact resistance. The color flake broadcast layer results in an attractive, seamless floor surface. It is comprised of:

Urethane Mortar -A four-component, troweled, high-solids urethane mortar system that is applied at 1/8 in./3 mm.

TRF Undercoat - A two-component, high-solids, epoxy bonding coat. A colored coat that accepts the flakes.

Brightly colored flakes option.

Sealer- A two-component, UV-resistant, aliphatic polyaspartic urethane Sealer

Tensile Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .1,000 psi

(ASTM D-638)

Impact Resistance . . . . . . . . . . . . . . . . . . . . . . . . . .>160 in./lbs.

(ASTM D-4226)

Abrasion Resistance . . . . . . . . . . . . . . . . . . . . . . .<.03 gm max

(ASTM D-4060, CS-17)

Cure Rate . . . . . . . . . . . . . . . . . . . . . . . . .4 hours for foot traffic (@ 77.F/25.C) 12 hours for normal operations Flexural Strength . . . . . . . . . . . . . . . . . . . . . . . . . . . . .2,000 psi

(ASTM C-580)

Flexural Modulus of Elasticity . . . . . . . . . . . . . . . .1.1x106 psi

(ASTM D-790)

Hardness (ASTM D-2240, Shore D) Flammability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Class 1

(ASTM E-648)

Linear Coefficient of Thermal Expansion . .12x10-6 in./in. .F

(ASTM C-531)

Compressive Strength . . . . . . . . . . . . . . . . . . . . . . . . .5,000 psi (ASTM C-579) after 7 days VOC Content. . . . . . . . . . . . . . . . . . . Urethane Mortar - 11 g/l (ASTM D-2369, Method E) TRF Undercoat - 30 g/l

165. Drawing A-101/Note 27 requires lab casework. Please confirm casework do not need to meet ADA requirements.

Response: Confirmed.

166. Drawing M-101/Note 6 references tie into existing return duct in chase. Please provide section detail of flooring at chase and or clarify if the chase requires floor demolition to allow installation of duct.

Response: Section detail is not available. Design/build team to determine means and method of installation.

167. Drawing SK-S-01 shows location of existing columns where the proposed overhead bridge crane structural connections are to be made. Please provide structural drawings/calculations of existing structure

Response: Limited as-builts are available. NAVFAC/NRL to determine whether to provide to all offerors or upon award.

168. Please clarify if the acoustic chamber which will placed within the Fracture Lab will not interfere with the movement of the overhead crane.

Response: Design/build team to determine design of overhead crane for optimal coverage throughout the room by the overhead crane around the acoustic chamber.

169. It appears that the installation of the new bridge crane supporting members will require the perimeter walls to be removed to allow for installation of supporting members- walls in question are not identified on Drawing AD101 as requiring demolition. If walls require demolition/rebuilding, please clarify if walls are to be rebuilt using 8” CMU and or gypsum wall partition.

Response: Removal of walls should not be necessary for crane installation. Any walls requiring demolition for equipment installation should be rebuilt to match existing, adjacent walls.

170. If additional AHU’s are deemed necessary for this project please provide two possible locations where the equipment can be set on the roof top or in the mechanical room of the 4th floor.

Response: Approximate locations for AHUs are shown on M-101 in Attachment A.

171. Please clarify if the existing facility has lightning protection and if it is under warranty and provide contractors point of contact information.

Response: This information will be provided upon award.

172. 1.1 Project Demolition Temporary walls required in corridors for construction space isolation. Will this impact egress requirements? Will signage directing occupants to accessible exits be acceptable to the WNY FPPE?

Response: Care should be taken not to cut off access to egress routes for building occupants.

173. 2.2 Existing Conditions,

a. Any HAZMAT considerations for the existing exhaust hoods?

Response: Refer to RFP for any HAZMAT considerations.

b. In the eighth paragraph the structural engineer is instructed to evaluate lateral moment existing conditions. If not up to current requirements will we need to add structure to address lateral forces?

Response: Design/build contractor will be required to evaluate existing structure for renovation modifications to the building only. See response to RFI #126.

c. Tenth paragraph tells us to verify and document. Is this all that is required?

Response: Design/build contractor to verify and document all existing conditions in design and construction for use in developing detailed renovation project drawings and specifications.

174. 2.3.1 Sustainable Design and Construction. Are the direction outlined in this RFP consistent with sustainable design/construction requirements or will we be required to evaluate other options?

Response: Comply with UFC 1-200-02 as indicated in the RFP for sustainable construction and design requirements. Provide HVAC systems as prescribed in RFP.

175. 2.3.5 Accessibility Requirements. Is this limited to areas within the spaces outlined in the Project Program or will we be required to address entrance and exit features?

Response: Accessibility shall be required for spaces throughout the renovation area of work.

176. 2.5.1 Hours of Operation. Please indicate NRL standard working hours. One concern is mechanical systems and when any required outage for these systems can take place.

Response: All outages must be coordinated with the contracting officer.

177. 2.5.2 Staffing/Occupancy. The statement regarding the responsibility to design (and build?) building features such as structural, egress, and plumbing fixtures as required in applicable or life safety codes is nebulous. What is required?

Response: Design/build contractor is responsible for verifying occupant loads in the spaces to be renovated in order to confirm that the renovation area of work meets all applicable life safety or building codes.

178. 2.7 Special Design Challenges. Spatial limitations for the proposed equipment present a significant challenge.

At this juncture, it is difficult to determine and price the utilities (ductwork, HVAC piping, sprinkler piping, conduit, etc.) that must be relocated to provide the required construction. The proposed interior spaces are congested.

Response: Room requirements have been discussed and flushed as much as possible with the end users. DB contractor will be required to meet with end users to finalize layout and coordination. A full site investigation and concept design workshop as described in the RFP is required in order to confirm all room requirements. Refer to Part 2 Section 01 31 19.05 20 for CDW procedures.

179. 4.1 Space Relationships. We are required to meet with the end users and develop a final approvable design based on all desired program requirements. Does the RFP not stipulate required or will we be required to determine and provide the end user desires?

Response: Room requirements have been discussed and flushed as much as possible with the end users. Layout and equipment depicted are the latest requirements. DB contractor will be required to meet with end users to finalize layout and coordinate with their suppliers exact layout of lab casework, for example A concept design workshop as described in the RFP is required in order to confirm all room requirements. Refer to Part 2 Section 01 31 19.05 20 for CDW procedures.

180. 4.2 Exterior Character. Will stipulated scope verification requirement result in deviation from the RFP?

Response: Any alterations to the exterior of the building should be reviewed with the government.

181. 4.3 Space Tabulation. We will be required to provide actuarial area in dual units for a building built using US

Customary units. Will this be the only requirement for dual units of measurement? Requiring metric units are not customary for older buildings. 5.0 does not include metric units.

Response: Provide dual units for overall space tabulation as shown.

182. 5.0 Room Requirements. Please refer to our question outlined for 4.1 above. Is it safe to say that changes to room requirements will have minimal cost impact? Were the room requirements fully developed?

Response: The RFP concept plans represent current needs for renovated spaces. A concept design workshop as described in the RFP is required in order to confirm all room requirements. Refer to Part 2 Section 01 31 19.05 20 for CDW procedures.

183. 6. ENGINEERING SYSTEMS REQUIERMENTS

a. A 1030 “Saw cut slabs where needed” needs more definition. Quantity and if cutting the slab will require us to tie into existing slab reinforcement.

Response: Details and design of slab cuts will depend on the location and size of openings and, as such, shall be addressed by the DB’s detailed design.

b. B10 what are the anticipated design/construction for the crane lateral loads?

Response: Design the connection of crane girders to sustain crane loading. The existing framework is adequate to support crane loading.

c. B2020 Any conflict with sustainability requirements?

Response: Comply with UFC 1-200-02 as indicated in the RFP for sustainable construction and design requirements.

d. B2030 Any conflict with accessibility?

Response: Not part of scope.

e. B30 Any requirements for maintaining roof bonding and what new construction requires structural members?

Response: Maintain existing roof bonding.

f. C1010 Is the intent to provide sound and physical security measures and not electromagnetic isolation?

Many electronic systems are listed in the last paragraph.

Response: All partition assemblies must be designed for any sound or security requirements identified, including electromagnetic isolation if required.

g. C102001 Is the rated glazing limited to the corridor doors? Are welded or knock down frames required? Can you provide current access control vender information (matching requirement requirement)?

Response: Rated glazing required in rated partitions. Frames to be fully welded. Control vender access shall be by same rules as contractor.

h. D102001 Are the existing steel floor beams able to support the crane or will structural modifications to existing structure necessary?

Response: Refer to the response to RFI #183 g.

i. D2010 Do the drawings included in the RFP indicate all required quantity and type of plumbing fixtures?

Response: Provide plumbing fixtures per RFP.

j. D201090 Is sufficient domestic hot water available to support the code required duration for emergency shower requirements?

Response: Yes

k. D209005 Is the compressed air piping to be copper tubing with copper fittings?

Response: Yes

l. D209090 Please confirm that we are to connect both N2 liquid and gas distribution systems to equipment furnished by others and that we are not responsible for the N2 vaporization equipment.

Understood that we must coordinate flow rates with end users and tank installer for both N2 liquid and gas phases.

Response: Provide N2 and gas distribution per RFP. Vaporization equipment is provided and installed by others.

184. D30 HVAC:

a. Existing Conditions: Paragraph 2 will the current return air configuration transferring air into corridors be allowed or will we be required to duct the return?

Response: Provide ducted return per RFP.

b. Existing Conditions: Paragraph 4 are the current airflows indicated in the table (Supply Airflow) current?

Response: This table provides a summary of airflow based on existing drawings for information only and may not match actual airflows.

185. D30 HVAC: New Work:

a. Class 2 cannot be directed to class 1 spaces. Will the design and construction be required to segregate the air classes and will separate duct systems be required?

Response: Design must comply with RFP and ASHRAE 62.1.

b. What is the adequate airflow/ventilation for the lab spaces?

Response: It is the responsibility of the design/build team to determine the necessary cooling and ventilation air required to satisfy space loads and offset exhaust quantities.

c. Is the existing fume hood ductwork adequate for the proposed fume hoods?

Response: Existing risers are expected to be adequate for hood airflows.

d. Before demolition item 2. Is the pre-construction TAB limited to the testing requirements of TAB (no adjusting and balancing required)?

Response: Only testing and documentation is required for the preconstruction verification.

Balancing must be performed post construction to ensure existing to remain systems of the second and third floor are returned to preconstruction airflows.

186. Lab Spaces. Paragraph one,. Will existing vertical ductwork adequate and will all return airflows be class 1? For the dedicated exhaust fans required for each lab allowed to be discharged into a common exhaust header?

Response: Existing risers are expected to be adequate for hood airflows. Design must comply with RFP and ASHRAE 62.1.

187. Paragraph two. Stipulated that for each room that requires a fume hood a separate dedicated exhaust fan discharging above the roof is required. Please clarify how many dedicated fans are required. Paragraph three.

For the lab spaces will air valves be required to maintain the negative pressurization or will fan speed controllers be required. Will a return fan be required?

Response: Design/build team to determine number of dedicated fans required per RFP requirements.

Provide fan speed controllers where required. Air valves are not permitted.

189. Energy Conservation and Sustainability. Will a life cycle cost analysis be required and please confirm the requirement for third party commissioning? Also will the commissioning requirements apply to only items provided by the contractor.

Response: Comply with UFC 1-200-02 as indicated in the RFP for sustainable construction and design requirements. Provide HVAC systems as prescribed in RFP. Third party commissioning will be hired by the Government.

190. D3020 is the existing domestic water heating system adequate to support the proposed emergency shower?

Response: Yes.

191. D304002 is labeled not used. Do we assume that existing heating and domestic hot water systems are adequate?

193. Will all existing HVAC components/systems be integrated into the new DDC system or will we be required to address only equipment provided under this contract?

Response: New DDC controls are only required for new equipment.

194. D50 SYSTEM DESCRIPTION Is it the intent to completely rewire all electrical systems and to provide new devices, and to provide new panelboards and panelboard feeders for all spaces outlined in the Room Requirements of this RFP? Is the building supplied with generator power and if so, will we be required to provide separate panels? Concerns include life safety and the proposed SCIF.

Response: Yes, the intent is to provide new branch panelboards, feeders, and branch circuits to spaces in the spaces outlined. The building is not supplied with generator power, and generator power will not be required. Standby IT loads shall be backed up by GFGI UPS battery backup. Life safety lighting shall be supported by battery backup.

195. D502002 are the stipulated requirements for lighting limited to the spaces outlined in the Room Requirements of this RFP?

Response: New Lighting is limited to the spaces in the area of work.

196. D503001 Will the telecommunications room be a SCIF?

Response: Provide secure construction where required by ICD/ICS-705 and as indicated in room requirements sheets.

197. D503005 is marked not used. Is it safe to say security systems are not in the contract?

Response: Security systems are not in the contract. IDS and access control is required to be seamlessly integrated with existing building systems. Conduits and pathways must be designed to support security systems.

198. D509002 Battery and inverter capacity?

Response: Standby IT loads shall be backed up by GFGI UPS battery backup. Life safety lighting shall be supported by either individual or central battery backup, sized to support the designed emergency lighting level required.

199. The RFP drawings indicate to salvage the under window dual duct VAV box enclosures (Drawing AD101, note 11), but Part 3 indicates to provide new (D304001). Please clarify.

Response: Remove requirement to prime and repaint box covers. Replace VAV box covers to fit the new units.

200. D306001 1.1 requires that the DDC system integrate with the existing operator workstation software. What is the existing control manufacturer / software used on the existing operator workstation?

Response: Siemens controls

201. Section 2.2 in Part Three requires the DOR to confirm the structural systems. Full confirmation of building structural systems does not appear reasonable/feasible. Is this referring to the local area being impacted or the full building system? Please clarify extent of analysis and field work required/expected.

Response: Design/build contractor will be required to evaluate existing structure for renovation modifications to the building only. Refer to the response to RFI #126.

202. Section 2.2 in Part Three refers to as-built drawings that have structural information. However, attachments do not appear to include structural as-built drawings or any as-built drawings with structural information. Please provide drawings referenced above.

Response: All available drawings are part of RFP attachments. Any available additional drawings will be provided upon award.

203. Signs posted throughout the penthouse (fourth floor) of the building indicate a 125 PSF live load capacity. Does the Navy object to the assumption that this load capacity is accurate?

Response: No.

204. Drawing 1110642 of the northeast corner of the 4th floor mechanical equipment room is missing from the drawings in Part 6 -Appendix C. Please provide.

Response: This particular drawing sheet is unavailable.

205. Section 01 3329.05 20, paragraph 1.4 a. references an "Attachment 1, HPSB Checklist at the end of this specification section.", but it is not included in the RFP. Please provide checklist.

Response: Refer to checklist attached.

209. Please confirm that the mechanical upgrades/modifications required by Standards 16 and 18 must be implemented by this project regardless of the major investment trigger requirements (UFC 4-010-01 B-4.1.3 &B-4.3.4).

Response: Confirmed for new HVAC systems.

210. Section B202004 1.3 directs that “Existing windows that will not be replaced in the project must have fragment retention film if antiterrorism protection is required.” Since Part 3 Section 2.3.6 does not include this direction, please clarify if this film is a requirement for project. If the film is a requirement of the project please confirm that no catch bars, or other structural fastening of the film is required.

Response: Refer to the response to RFI #155. Refer to requirements listed in Part 3 for direction.

211. Room requirements for Room 153A D503001 require a SIPRNET Workstation. Please confirm that this room is not required to comply with the same security requirements as Room 155A (Secure Room).

Response: Comply with ICD/ICS 705 for rooms requirements with a SIPRNET workstation.

215. Section B203008 1.4 requires a standalone CARD KEY SYSTEM. Please confirm that this is not applicable to this project.

Response: Refer to requirements in part 3 of RFP.

216. Project description indicates mission is a 24-hour operation. Per ASHRAE 90.1-8.4.2 (2010), automatic receptacle control is required in private offices and open offices except where receptacles have been designated for equipment requiring 24 hour operation. Will this space fall under the exception such that automatic receptacle control is not required?

Response: Automatic receptacle control not required.

217. Part 3, 1.1 Project Demolition - It is called out that new routing of MEP work may be required to take place at upper floors if the existing penetrations at the 1st floor cannot be reused. Are any new penetrations permitted at the 1st floor?

Response: See response to comment #82. Penetrations are not prohibited but must be coordinated with the approved detailed design by the DB. New penetrations may be required. Coordinate locations with contracting officer where altering the exterior of the building or other occupied floors.

218. What is the anticipated process for coordinating phasing at the upper floors?

Response: Refer to RFP requirements. There is no any work shall be done on upper floors.

219. Are there any existing electrical drawings available that document the building’s electrical distribution system?

Response: Any existing drawings not included in the RFP will be provided to upon award. Based on availability.

220. RFP indicates that project is to be designed in accordance with UFC 1-200-02 High Performance and Sustainable Building Requirements. Will the lighting power density be required to be 30% below the ASHRAE

90.1 baseline?

221. Confirm that ASHRAE 90.1-2010 is correct version. We have used the 2013 on recent Navy projects.

Response: Comply with ASHRAE 90.1-2013.

222. Has it been confirmed that there is adequate capacity at the building’s electrical service to support the loads associated with the renovation?

Response: The service and distribution panels have been confirmed to have sufficient capacity for preliminary loads. The service shall be confirmed to support the load calculated during the design phases.

223. Has it been confirmed that new circuit breakers at existing distribution panels and branch circuit panels are adequately available? If not, will the construction schedule allow for potential long lead items?

Response: Breaker availability may be an issue in this building. Coordinate long lead time items during design and construction as best as possible.

224. Are any operations within the labs considered to cause a hazardous atmosphere that would result in an electrical classified location with respect to Article 500 in the NEC?

Response: The chemicals and quantities contained in the labs has been determined to not qualify as a hazardous location. Chemical mixing occurs under hoods only. It is not anticipated that hazardous classifications in article 500 of the NEC will occur.

225. Are lighting branch circuits within the building rated for 277-volt or 120-volt operation?

Response: 277V

226. Is a coordination study required for this renovation?

Response: Yes, per UFC 3-501-01.

227. Is a short circuit analysis or arc flash analysis required for this project?

Response: Yes, both, per UFC 3-501-01.

228. Emergency lighting is called to be provided via a central battery inverter per D509002 Emergency Lighting and Power (Part 3, Chapter 6). Would integral batteries at lighting fixtures suffice for emergency lighting as long as it meets the 90 minute requirement?

Response: Yes, either central or integrated battery backup is acceptable.

229. Are VFD’s anticipated to operate the AHU’s or the lab exhaust fans (question for mechanical)?

Response: VFDs are anticipated to control variable speed fans.

230. RFP calls for identification of the existing building grounding grid. Confirm that the contractor will take responsibility for this effort and it is assumed that structural steel is tied into the existing grid.

Response: The electrical contractor shall be responsible for this effort, and structural steel is sufficient.

231. Are there any metering requirements?

Response: Utility meters are not required.

233. RFP calls for a pre-tab, then after construction is complete to rebalance air flows to pre-tab levels. Is this necessary? The new air flows may differ from existing air flows based on hood cfm, exhaust fan cfm, room pressurization, etc.

Response: Yes, the intent is to avoid disturbances of existing to remain spaces due to construction activity by returning existing to remain HVAC systems to preconstruction airflows.

234. Hood ductwork – RFP calls for a new fume in room 143A, the existing room has (2) hoods being removed.

One removes the ductwork to the roof, the other has the ductwork to remain. Are we to re-use the existing hood exhaust duct work with the new fume hood?

Response: The associated ductwork for both existing hoods can be reused if deemed appropriate by designer of record.

235. We are adding additional heating load with the 100% outdoor air unit, the air flow is to be heated via the existing heating water system. Is there adequate capacity to serve the proposed HVAC systems?

236. The documents show existing ceiling lights being renovated in the area of work but the documents do not address existing wall receptacles in those rooms. The only area showing electrical equipment that needs new power is the room with the overhead crane. Are existing receptacles staying as is in remaining rooms?

Response: Existing receptacles shall be removed and replaced due to age.

237. There are no existing electrical drawings included in the package. Is electrical infrastructure (panelboards or switchboards) sufficient to carry the loads the for the new equipment in the lab? If drawings are available, please provide.

Response: The electrical infrastructure is sized with enough capacity to handle new loads. However, the age of the system may cause issues finding new breakers and parts. Coordinate long lead time items during design and construction as best as possible. All available drawings will be provided upon award.

238. On one of the documents, there is a reference to the work performed by the NRL communications contractor but on another sheet there is some reference to the communications work being performed by the Design Build Contractor. Please clarify the scope for communications, fire alarm and security work including if the electrical contractor needs to provide any empty conduits for the communications.

Response: Communications and security pathways shall be provided by the design build contractor. Fire alarm shall be fully designed and installed by the design build contractor.

239. Drw A-102 Fracture Lab: Confirm six piece island cabinets are to be on coasters provide height and cabinet elevation.

Response: Standing height island cabinets are to be on locking casters. Exact elevation/cabinet door/drawer configuration to be confirmed with end user after award.

240. Drw A-102 Synthesis Lab: Specify "Specialty Storage" and quantities

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements from end users.

241. Drw A-102 Synthesis Lab: confirm island shall be a standing height island cores with base cabinets and adjustable shelving with standing height work surfaces each end.

242. Drw A-102 Analytical Surface Prep: Specify "Specialty Storage"

Response: Specialty Storage is what casework manufacturers refer to cases rated to hold acids, chemicals, fire-rated, insulated or any other special required needs.

243. Drw A-102 Analytical Surface Prep:Confirm the two (2) "Specialty Storage" cabinets are to be affixed at the end of a standing height core peninsula with base cabinets and adjustable shelving.

244. Drw A-102 Analytical Surface Prep: Specify " East Wall Provide elevation, identify equipment, is this to be included in SOW

Response: Items depicted may be larger casework cabinets. Items shown reflect latest requirements from end users. Exact casework quantities/layout to be confirmed with end user after award.

245. Drw A-102 IT Station East wall identify equipment , locate mobile sit down computer desk station.

Response: See A102 for mobile desk station. Remaining is casework.

246. Drw A-102 Electro Chem Room: Identify island, Identy two piece casework on west wall.

Response: Items depicted may be a work table and casework cabinets. Items shown reflect latest requirements from end users. Exact casework quantities/layout to be confirmed with end user after award.

247. Task Lighting: specify locations required.

Response: Task lighting on workstations will be by the government.

248. Storage cabinets Refer to section E2020 "Movable Furnishings".? Provide Elevations/locations and quantities.

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements

249. Hinged Wall Glass Cabinets: confirm glazing to be Float, Tempered, Ect.

Response: Quantities to be confirmed with end user after award.

250. Stainless Steel Kitchen Sink in conference room? Does this belong to Millwork Sub or Casework Sub

Response: DB contractor to determine. Conference room cabinetry is standard millwork for a break area.

251. Per Spec Sect 123553 2.3, 5, refers to Mobile Cabinets ? Provide quantities/locations

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements from end users. Refer to Room Requirement sheets for the Fractures Lab and Electro Lab.

252. Per Spec Sect 123553 2.3, 11, refers to Acid Storage Cabinets? Are these to be located beneath hoods

Response: They can be. Exact casework layout to be confirmed with end user after award.

253. Per Spec Sect 123553 2.3, 12, refers to Tall Acid Storage Cabinets? Provide quantities/location

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements

254. Per Spec Sect 123553 2.3, 13, refers to Pump Cabinets? Are these to be located beneath fume hoods, if not provide quantities/location.

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements

255. Per Spec Sect 123553 2.3, 14, refers to Bin Cabinets? Provide quantities/location

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements

256. Per Spec Sect 123553 2.3, 15, refers to Control panel Cabinets? Provide quantities/location.

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements

257. Per Spec Sect 123553 2.3, 16, refers to File Drawer cabinets? Provide quantities/location

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements

258. Per Spec Sect 123553 2.3, 19, refers to Glassware Drying Cabinets? Provide quantities/location.

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements from end users.

259. Per Spec Sect 123553 2.3, E, refers to Floor/Wall Storage Cabinets? Provide quantities/location.

Response: Quantities to be confirmed with end user after award. Items shown reflect latest requirements from end users.

260. Per Spec Sect 123553 2.3, F , refers to Steel Furniture Finish? Confirm Painted Steel or Stainless Steel

Response: Finish to be confirmed with end user after award and via the SID process, most likely painted.

261. For the bridge crane, which pendant push button station is preferred? Mounted on the hoist or independent festooned messenger track system?

Response: Suspend the pendant from the hoist. Refer to Part 5 specification section 41 22 13.15.

262. Is it required to “Provide a patented track, in accordance with MHI MH27.1 for the crane bridge girder” [Section 41 22 13.15 - Section 2.1.4.1]?

Response: A patented track is not required. Refer to Part 5 specification section 41 22 13.15.

263. What is the size of the beams will be serving as the runway beams suspended from the fracture lab ceiling?

Response: The DB shall design the crane girders and coordinate that design to suit the room requirements.

264. What is the desired span of the bridge crane? (The distance from the center of one runway beam to the center of the other runway beam.)

Response: Provide the maximum reasonable coverage for the hook given space and equipment limitations.

265. What is the desired operating distance of the crane?

Response: Provide the maximum reasonable coverage for the hook given space and equipment limitations.

266. Do you know the floor to ceiling height for the lab room as it pertains to the clearance for the…