Amendment_0016.pdf

ACQR5489062

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

The purpose of this Amendment is to:

1. Provide responses to PPIs 65 - 78. Narrative attached as w ell.

2. Proposal due date remains October 15, 2019 at 10:00 a.m.

1. CONTRACT ID CODE PAGE OF PAGES

1 12

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

16C. DATE SIGNED

BY 23-Sep-2019

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 N4008518R0644

X 9B. DATED (SEE ITEM 11)

08-May-2019

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 1 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

23-Sep-2019

CODE

NAVFAC MID ATLANTIC

ACQUISITION CORE

9324 VIRGINIA AVENUE

NORFOLK VA 23511-3095

N40085 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

N4008518R0644

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION SF 30 - BLOCK 14 CONTINUATION PAGE (SF 30)

The following have been added by full text:

PPI RESPONSES

PRE‐PROPOSAL INQUIRY ATTACHMENT (5.3)

Solicitation Number: N40085‐18‐R‐0644

Contractor Name:

Contractor POC (Name and email):

Instructions: DO NOT submit in PDF format. DO submit as a word document

Contractor

PPI#

Section of RFP or Page Number

Paragraph Reference

Drawing Number

Question RESPONSE

43 Part 3, Chapter 3

Figure 3 Provide more information on site feature identified in Figure 3 as "Ready Service Locker".

UPDATE:

The ready service locker (RSL), will require explosive storage of C/D 1.3 & C/D 1.4 explosives.

The RSL casts a 75 ft Inhabited Building Distance Arc if sited outside the building and flight line. The RSL (assume 6’ X 10’) used for the storage of small quantities of certain pyrotechnics, small arms ammunition, and minor hazard items of ammunition. The unit is purchase equipment and requires a concrete pad and grounding rod.

44 Part 3, Chapter 1

Paragraph 1 RFP requires two (2) explosive storage ready

UPDATE:

service magazines at the hangar. Please provide additional information on this feature including required setbacks.

The ready service locker (RSL), will require explosive storage of C/D 1.3 & C/D 1.4 explosives.

The RSL casts a 75 ft Inhabited Building Distance Arc if sited outside the building.

When on a flight line you can site a RSL without regards to ESQD in accordance with the NAVSEA OP

5. This allows us to place the RSL adjacent to a hangar.

Normally we would site them 10 ft from the building to allow for maintenance around each area.

Then it would have a 50 ft fire band around it for no parking, etc... The RSL (assume 6’ X 10’) used for the storage of small quantities of certain pyrotechnics, small arms ammunition, and minor hazard items of ammunition. The unit is purchase equipment and requires a concrete pad and grounding rod.

65 P‐235 A‐501 and SF‐ 301 (Fire Pump

Detail A2 on A‐501 shows a framed‐out soffit.

Detail 3 on SF301 does not show this framing. Is

Detail A2/A‐501 and detail C1 and C3/S‐301 show a joist extension at deck underside. Detail A2/A‐501

House) this a light gauge framed soffit? If so, please provide size of studs, tack, spacing, etc..

shows additional cold formed framing connected to the exterior wall to frame out the soffit overhang. Additional information regarding the cold formed framing at overhang is to be included in upcoming amendment.

66 Part 3, Chapter 6

D306001 1.1 Section D306001 1.1 Direct Digital Controls (DDC) states " There is a limited approved list of DDC manufacturers".

Please provide list of the approved manufacturers/installers for the DDC system.

SEE ATTACHED NARRATIVE

FOR CHANGES TO DDC

SECTION.

67 Part 3, Chapter 6

C103090 Section C103090 Other Interior Specialties states to "provide an Avian Intrusion Prevention System; bird netting is not acceptable per UFC."

UFC 4‐211‐01 Aircraft Maintenance Hangars states that net systems are ideal long‐term methods in covering large areas. Please provide a desired alternative of avian intrusion prevention if bird netting is not acceptable.

Provide a Net System for avian intrusion system. See amendment.

68 P‐235 ‐ 33 6963 13

2.2.1 Spec 33 63 13 section

2.2.1 Carrier Pipe

Insulation Thickness ‐ the insulation thickness listed in Table 1 and Table 2 do not take into account the added benefit of the 1" thick polyurethane foam insulation applied to the OD of the conduit, as indicated in paragraph

2.1.7. It is recommended

that the specification section be amended to include the carrier pipe insulation thickness and conduit thickness that

Insulation thickness will be revised in upcoming amendment.

was previously specified in project: Repairs and Improvements to Steam Distribution Systems N40085‐15‐D‐4709, Task Order 0005 (see attachment). This will decrease conduit size, maintain consistency between projects, and keep conduit temperature maintained at appropriate temperatures to reduce internal corrosion. Please confirm that this table is applicable to this project.

69 Part 3, Chapter 6

D4020 RFP section D4020 indicates dedicated fire pumps are included but should not be needed, should new, dedicated fire pumps be included in the pricing. Please clarify this section?

Fire pumps are not required for this project.

See MILCON P235 for non‐ potable fire protection water system.

70 Part 3, Chapter 6

D4020 RFP section D4020 does not include the need for a backflow preventer.

Please confirm no need for backflow preventer.

A backflow preventer is not required for the fire protection systems. The fire protection systems will be supplied by a non‐ potable water system.

71 Part 5 – 21 13 20.00

2.1.6 RFP Part 5 section 21 13

20 section 2.1.6 states that a concentrate fill pump is needed. Please confirm.

Confirmed. A concentrate fill pump is required.

72 Part 5 – 21 13 20.00

2.1.1 UFC 4‐211‐01 Section 7‐

11.1.5 "Nozzle Location" states the MAXIMUM distance between the centerline of distribution trenches is 50 ft. RFP Part 5 Technical Specification 21 13 20.00 20 "Foam Fire Extinguishing for Aircraft Hangars" Section 2.1.1 states the MINIMUM spacing between trenches is 50 ft. Please confirm the design is

Comply with UFC 4‐211‐01 for trench spacing. Please note that specification section 21 13 20.00 20, paragraph 2.1.1 specifies the performance requirements for the Low Level AFFF Nozzles but does NOT dictate trench spacing.

required to conform to the UFC 4‐211‐01 requirement of a MAXIMUM centerline distance between trenches of 50 ft.

73 Part 3, Chapter 6

D4020 Please confirm the utility updates as part of P‐235 Flightline Utility Modernization Project will eventually supply the fire suppression systems at the new hangar and paraloft building.

Confirmed, the prime contractor for this project is responsible for design, construction, and coordination between P199 and P235.

74 Part 3 – Chapter 2

2.8 Bid option states

polished concrete flooring in lieu of sealed concrete. Is polished concrete to be all one color or is there any type of pattern intended? Will this be part of the base bid or alternate? Is there a desired level of polish or type of concrete?

Polished concrete will be all one color, no pattern intended. This id option is an alternate to the specified base bid. See Part 3, Chapter 6, ESR C3020 Floor Finishes: “Polished concrete to include satin gloss finish (400 grit) or level 2 honed polish with a fine aggregate exposure.”

75 Part 3, Chapter

5.2 &

Chapter 6 Part 4 – C10

Room Requirements C103009

Part 3 Chapter 5.2 States cabinets are to be stain grade wood. Chapter 6 C103009 description states cabinets should be stain grade wood, or veneer. Part 4 of section C10 C103009 Cabinets

1.1.3 states to provide plastic laminate or transparent finish. What is preferred for this project?

Part 3 Chapter 6 C103009 “All exposed surfaces must be stain grade wood or constructed of hardwood veneer with exposed edges of solid hardwood.”

76 Per Amendment 008 Contractor PPI# 011 & Amendment 010 PPI# 25 & Structural Steel coating clarification states that the steel columns, beams, and decking can be received factory prepped and primed.

However, per amendment 0011 PPI# 011 refers to UFC 4‐211‐ 01 Section 3‐3.4.3 and states that all primary

Shop Coat exposed interior ferrous metal primary and secondary steel framing inside Aircraft Maintenance Bays per UFGS 09 97 13.27. Coat all other exposed interior ferrous metal inside Aircraft Maintenance Bays per UFGS 09 90 00, Division 5: Interior Metal, Ferrous and Non‐ferrous Paint Table.

and secondary framing is required to be shop coated. Please confirm if the intent of the RFP and given amendment answers is for the steel to be received from the factory prepped and primed and is then to be field coated with epoxy primer and polyurethane topcoat after erection.

Also, confirm the only structural steel column, beams, and decking that will require this field coating is the steel that will be visible after interior & exterior finishes (drywall, metal panels, brick) have been installed and all steel not visible can remain as received from the factory?

Coat exposed interior ferrous metal in spaces other than Aircraft Maintenance Bays and Building Support spaces as defined in 3‐3.4: Finishes per UFGS 09 90 00, Division 5: Interior Metal, Ferrous and Nonferrous Paint Table.

77 Part 4 Section C30 paragraph C30 1.2.2

Per Part 4 Section C30 paragraph C30 1.2.2 States fuel resistive resinous flooring to be a 3‐coat system. Per the Part 3 Chapter 5.1 Hangar Room Requirements sheets the resinous flooring system in the hangar is to 5‐ layer system. Please confirm which system is required, 3‐ coat or 5‐ layer?

Part 3 Chapter 5 takes precedence over Part 4 in accordance with Spec Section 01 33 10.05 20 Paragraph 3.3.2.

78 Thank you for the generous time extension in previous amendments.

I know it would be a lot to ask but could we have at least one more week of time to use for better pricing development.

The market in eastern NC is busy and recent projections for upcoming work have many sub‐ contractors and suppliers

SEE AMENDMENT 0015

guarding their capacity.

With this big job we are finding it difficult to get multiple trades engaged on each package and the added week or two will help there.

NARRATIVE FOR AMENDMENT 0016

1565553 Amendment 0015 Summary of Changes:

1. Change to avian deterrent requirements.

2. Add requirement for double‐wall fiberglass AFFF containment tank

3. Update Direct Digital Controls to current requirements

4. Update to PPI Nos. 29, 30.

5. Provide PPI responses

PART 3 PROJECT PROGRAM

C10 INTERIOR CONSTRUCTION

C103090 Other Interior Specialties

In the 6 th paragraph DELETE “bird netting is not acceptable per UFC” and REPLACE with “net systems are the preferred method for avian repellent.”

PART 3 PROJECT PROGRAM

G30 Site Civil/Mechanical Utilities

G303090 Other Storm Sewer

In the second sentence ADD “double‐wall fiberglass” before “containment tank”.

PART 3 PROJECT PROGRAM

D30 HVAC

D306001 1.1 DIRECT DIGITAL CONTROLS

Delete this paragraph in its entirety and replace with the following:

D306001 1.1 DIRECT DIGITAL CONTROLS

Provide a complete, stand-alone, Direct Digital Control (DDC) system for the facility. Provide a DDC system which supports Federal Information Processing Standard (FIP 140-2), Security Level 2 certified secure communicate with and be forward and backward compatible with the existing base wide Energy Monitoring and Control System (EMCS). The existing centralized DDC/ECMS system is manufactured by JCI Metasys. The base DDC/EMCS system is accredited in accordance with DoD Instruction 8510.01, “Risk Management Framework for DoD Information Technology”. For Cyber Security reasons, the building DDC system installed is required to be accredited in accordance with UFC 4-010-06 Cybersecurity of Facility-Related Control Systems. The new building DDC system will remain separated from the existing accredited system until it goes through accreditation process and all required documentation is rewritten to accommodate the new system.

Provide integration of the new DDC to the existing operator front-end server, workstation, and the existing control system software suite. DDC as-built drawing shall be added to the graphic floor plan of existing front end EMCS. New system shall connect to existing server and provide programming to application level of controller. The systems must utilize electronic equipment controllers. The DDC system serving the facilities must be designed to fully and automatically restart all HVAC systems in the event of power outages. Provide battery back-up on all DDC control panels.

Control set points must be available for adjusting and resetting in the following two ways: (1) At the DDC Controller thermostat, and (2) Via the centralized MCAS Cherry Point DDC system. The existing Energy Management and Control System (EMCS) actively receives energy and building condition information from multiple sources and provides load shedding, electric metering, alarming, trending, scheduling, set point adjustment, device communications status of all SBC and TCU for maintenance personnel. This EMCS monitors power levels during the peak periods. Provide a complete fully BACnet Open Protocol compatible Direct Digital Control (DDC) system. The DDC system must be capable of fully controlling and monitoring all spaces and all HVAC systems. The manufacturer’s control system must be on the approved list of systems that can meet MCAS Cherry Point Authority to Operate (ATO). The DDC control system object configuration and communication must be totally native BACnet Open protocol with no other programming language protocol, interface, or gateways utilized, except as required by the Project documents.

In addition, the following requirements must be met for the facilities: Provide a complete Direct Digital Control (DDC) system for the facility’s HVAC systems. All DDC controllers, CPU’s, servers, workstations, and interface devices provided must comply with and communicate using the ASHRAE Standard 135- 2004, BACnet Protocol for Building Automation and Control Networks. The DDC system must use BACnet objects and properties for all physical inputs and outputs, and BACnet read and write services for all network communications and device-to-device algorithms. Coordinate the BACnet network and device addressing with the Government BAS owner to ensure unique addresses. Provide BACnet Product Information Conformance Statements (PICS) for each DDC controller and BACnet device. The controls sub-contractor for this project must be regularly engaged in the design and installation of BACnet DDC systems (for building HVAC systems) similar to the size and scope of this project, must have been a representative of the proposed control system manufacturer for a minimum of two years, have a staffed office within a 50-mile radius of the project location, and must have performed design and installation of DDC systems for a minimum of 5 years. The controls sub-contractor must ensure that their installing electricians have a copy of, read, and understand the mechanical sheets of the contract’s design construction drawings, in addition to the control drawings prepared by the sub-contractor. Provide the DDC programming and graphics using Standard English units of measure, not metric. The control system must be completely electric/electronic, no pneumatics. Provide DDC programming to view, modify, alarm, trend, schedule, and override device parameters via direct connection, and remotely via LAN connection.

Provide DDC programming routines in simple, easy-to follow logic. Provide detailed text comments describing each routine.

In addition, provide each routine screen with its applicable as-built written sequence of operation. Design control drawings must include the following:

1. Detailed control system scope-of-work and installation notes describing the various components that will be provided (controllers, sensors, valves, dampers, etc.).

2. A diagram of the control system communication architecture, including network and device addressing.

3. Control valve and control damper schedules, including actuators and linkages.

4. DDC point schedule including point description, point type (BI, BO, AI, or AO), alarm requirements, trend requirements, and additional information such as type of sensor, location, etc.

5. A detailed control diagram for each piece of HVAC equipment receiving DDC. Diagrams must show all related control components in their respective locations, valve and damper normal positions, fluid flow directions, and point types (BI, BO, AI, or AO).

6. A detailed written sequence of operation for each piece of HVAC equipment. Fully describe every operating routine (occupied operation, night setbacks, optimal start, etc.).

Show floor plans in the DDC graphics to scale. Where feasible, use the project’s AutoCAD design drawings, purged of extraneous detail. Each piece of HVAC equipment must be controlled by the DDC.

Do not provide hard-wire interlocks between fans or pumps. Provide software interlocks instead.

However, freeze protection thermostats, duct smoke detectors, and other safety type devices must be hard-wire interlocked with their associated piece of HVAC equipment.

Provide each piece of HVAC equipment with a hand-off-auto switch. The hand position must energize the equipment directly under all conditions except activation of a freeze protection thermostat, duct smoke detector, or other safety type device. Ensure safety conditions also de-energize equipment in the auto position. Provide air handlers and terminal units with discharge/supply air temperature sensors.

Operate the building circulating pumps serving hot and chilled water loops whenever the outdoor air temperature is below 35 deg. F. Provide control routines to automatically start back-up pumps (or other HVAC equipment) if the primary device fails. Rotate primary and back-up HVAC equipment monthly with a lead/lag control routine. Start/stop pumps via the DDC, not the chiller controller. Provide the following reset options for hot and chilled water loop temperature set points: (1) based on the outdoor air conditions, (2) based on building zone demands, and (3) fixed, user defined set point. Provide meters monitored by the DDC on the building’s incoming natural gas, water, and electric utilities. All electric meters will be capable of being monitored simultaneously by the DDC system as well as the existing Advanced Metering System utilizing the Modbus protocol and the ION protocol. The current advanced metering system is the Power Management Expert version 8.1, manufactured by Schneider-electric Corporation. Set up trend reports to record data daily and store values in the front-end DDC computer database resident on the existing EMCS server. Provide flow rate meters monitored by the DDC for central hot and chilled water flows and central air handling unit air flows. When not used for direct control, provide wall mounted carbon dioxide and relative humidity sensors in strategic occupied spaces for monitoring purposes.

Provide hot water and chilled water valve actuators that fail open to the coil via a spring return. Provide each actuator with a self-locking male/female quick-connect type plug in the wiring serving each valve operator, for emergency use, to allow manually disconnecting power to the device, sending it to its fail position (without disrupting any other unit control). Locate each plug exposed in plain view. Provide chilled water control valve actuators and linkages that can be easily and fully insulated and vapor sealed at the valve connection.

Provide alarms for the DDC points. Alarms will be stored, trended, and issued from the existing front-end server. Alarms are communicated to Public Works Maintenance personnel locally. Provide point cross-referencing, time delays, and differentials to prevent nuisance alarms. Analyze the alarms after the system is in operation and make additional adjustments to reduce/eliminate nuisance alarms. Trend all possible data points. Where possible, provide trends based on change-of-value for sensor readings, motor statuses, and actuator positions. Once the trend buffer is full, the oldest data will be purged from the list when new data is added. Store the maximum amount of data feasible. Provide trend reports for each DDC point after the system has been in operation and collected its buffer of data points. Analyze the trends for anomalies, inconsistencies, and operating problems such as equipment running when it is not supposed to, valve hunting, inability to maintain set point, and incorrect start-up or shutdown sequences. The final DDC system Operation & Maintenance manuals must include as-built drawings of the DDC communication wiring in the building showing the exact installed configuration/routing of the communication wiring daisy chain, including LAN’s, switches, routers, and addressing exactly as installed.

Provide as-built drawing(s) in PDF format that is available through a hyperlink located on the facility’s elevation graphic of the Energy Management and Control System server.

Provide at least one registered copy (on manufacturer’s original CD) of the control system software.

Software keys and “dongles” are not permitted. Regardless of the control manufacturer and its software license protection method, the Government must receive the manufacturer’s complete software with no access limitations. The government will make the determination of the quantity and access of the individual operators based on current and changing needs, and will determine limited-access capabilities.

Provide device licenses for all provided electrical metering equipment that is to be simultaneously interfaced with the Advanced Metering System and DDC system.

For the DDC system provided under this contract, include at no additional cost to the Government, all firmware and system software upgrades (including patches and updates) as they become commercially available for a minimum of two years starting from contract acceptance. In the submitted control system O&M manuals, provide an itemized list of the firmware and system software. Include original release dates, version numbers, part numbers and serial numbers, and beginning and ending warranty dates.

Provide a statement that firmware and system software upgrades must be provided without cost during the two-year period. Provide an additional statement that the manufacturer’s telephone technical support must be provided without cost for five years from contract acceptance. The control system manufacturer must provide toll-free telephone technical support at no additional cost to the Government for a minimum of five years from contract acceptance. Technical support must be furnished by highly experienced service technicians of the controls manufacturer, and be available during normal weekday working hours.

Include the toll-free technical support telephone number in the contract’s control submittals. Absence of toll-free post-acceptance telephone technical support must be sufficient reason for disapproval of a proposed control system manufacturer.

Provide meters, monitored by DDC, on all of the building's incoming utilities (steam, gas, water, and electric). All electric meters will be capable of being monitored simultaneously by the DDC system as well as the existing Advanced Metering System utilizing the Modbus protocol and the ION protocol. Set up trend reports to record data daily and store values in the operator workstation DDC computer.

Provide flow rate meters, monitored by the DDC system, for central and chilled water flow.

Provide air handlers and all terminal units, including VAV boxes, with discharge/supply temperature sensors.

Provide central air handler unit outside air CFM air flow monitoring stations. Provide demand control ventilation based on CO2 levels in the occupied spaces.

Provide a DDC option for automatic operation of building circulating pumps whenever outdoor air temperature is below 35 degrees F or when there is a high potential for freeze damage.

Provide control to automatically start back-up pumps (or other HVAC equipment) if the primary device fails. Primary and back-up equipment starter circuits must be wired to prevent both pieces of equipment from operating at the same time. Rotate primary and back-up HVAC equipment weekly (adjustable) with a lead/lag control routine.

(End of Summary of Changes)