B121 B122 Hallway Connection SOW.pdf

KYJM 17-9010 Repair and Connect B-121 to B-122 for EOD January 2025

DESIGN REQUIREMENTS

GENERAL: The work covered by this contract consists of, but is not limited to, the furnishing of all plant, labor, services, tools, materials, equipment, transportation, supervision, and all miscellaneous requirements needed to perform all operations in conjunction with the effort to accomplish the Design Requirements below. All work shall be done in conformance with applicable sections of the attached Environmental Protection Specification, the concept drawing, location map, pictures, Federal, State and Miami-Dade Department of Environmental

Management (DERM) codes and regulations, and Occupational Safety and Health

Administration (OSHA) requirements. The term, Contractor, shall be interpreted to mean the prime contractor and all its subcontractors. All final certified design drawings shall be signed, sealed, and dated by a registered architect (architectural) and a professional engineer

(engineering). Design company name, address, phone number and company certification of authorization shall be shown on drawings. Design drawings shall include relevant standard details for typical items installed under this contract.

1. SITE LOCATION: Homestead Air Reserve Base (HARB), Florida.

2. PROJECT DESCRIPTION:

a) The project is a design-build contract. The Contractor shall provide services to prepare and complete construction documents consisting of design drawings, design analysis and technical specifications edited from latest Unified Facilities Guide Specifications

(UFGS) at the date of contract award. The project technical specifications shall be provided in MS Word format and edited from latest edition of UFGS. The Contractor shall edit only those items in parentheses in UFGS with non-relevant text and headers deleted or edited. Any proposed deviation to these specifications will require approval of the Contracting Officer.

b) The contractor shall provide 65% submission package, 100% submission package and final certified submission package. The 65% submission package will be rejected if the technical specifications are not edited. Submission package shall contain the design drawings, technical specifications, and design analysis. Drawings in PDF and

AutoCAD formats shall be provided at each design phase. Contractor shall allow up to

15 calendar days for government review of each submission package. Contractor shall provide a writing response to all government’s comments indicating how the comments were addressed and the sheets where the corrections were made.

c) Contractor shall not order any equipment or material and shall not begin any phase of construction until Government approves in writing the Final Design submittal.

MEETING or EVENT (The Contractor shall coordinate all meetings with the Contracting Officer Representative (COR))

TIME OR DURATION

(Calendar Days)

Notice to Proceed (NTP) for Design

Meeting #1, Site Visit/Kickoff meeting (*) Within NTP + up to 10 Days

Submission of 65% design package (**) Within Meeting #1 + 35 Days

Government Review of 65% design package Up to 15 Days

Meeting #2, 65% design Review Meeting (*) With Receipt of Government Comments + 5 Days

Submission of 100% design package (**) Within Meeting #2 + 35 Days

Government Review of 100% design package Up to 15 Days

Meeting #3, 100% design Review Meeting (*) With Receipt of Government Comments + 5 Days

Submission of Certified Final (stamped documents) (**) Within Meeting #3 + 10 Days

(The 100% design package shall be approved, and all comments shall be addressed and cleared before submission of the certified final documents).

* Meetings may be via telecom and/or at HARB as requested by Contracting Officer representative (COR) inviting all Acquisition Team. The contractor’s manager with the CO, Contract Administrator (CA), COR, and other government personnel constitute an acquisition team (See FAR 1.102 (c) and shall meet on a regular basis. Meetings at HARB shall be at no additional cost to the government.

** All submissions shall be provided in digital format. One hard copy may be requested by the Contracting Officer at no additional cost to the government.

3. SCOPE SUMMARY: Provide all demolition, restoration, alterations, additions and finishes as required to satisfy the square foot requirements. Spaces shall be further developed by the

Contractor to accommodate the requirements and to comply with building codes, UFCs, UFGS. Refer to attachment 2 concept drawing for additional information. The new facility will have:

a) Add new Hallway to connect building 121 to building 122. New Hallway shall have all interior office finishes including but not limited to floor carpets, windows, lights, air conditioning, electrical, fire sprinkler, lightning system, insulated and painted walls, standing seam metal roof, etc…New Hallway construction shall not cover existing lift station or exterior cleanouts.

b) Extend asphalt area. New asphalt area shall have a canopy of 35ft long x 28ft wide x 16 ft high to accommodate three (3) mobility vehicles. That area has an existing lift station and exterior cleanouts that shall not be covered with new asphalt.

c) Add perimeter chain link fence with gates around the facilities. Install two single gates and one double gate.

d) Add new chilled-water air conditioning system to serve bay 100 and bay 101 in warehouse, building 121.

e) Replace roof for the entire facilities (warehouse building 121, admin building 121, and building 122).

f) Repair admin building 121 and 122, including but not limited to new interior construction, new windows, new interior finishes, new plumbing, new HVAC, new electrical.

g) Reconfigure layout for existing AC closets, electrical closets, and communications closets in both buildings. All utilities closets shall have exterior access with exterior doors.

h) Provide HVAC DDC control system, interior and exterior lighting, fire protection, fire alarm and mass notifications system, lightning protection, communications, AT/FP measure required and all necessary support for a complete and usable facility.

i) Attachment 2 and attachment 3 show the proposed concept drawings. Proposed concept drawings do not meet codes or standards; they are to be used as a guidance and reference only in the preparation of the construction design documents.

4. Mission Requirements:

4.1. Overview:

a) Resurface floors throughout project (minus equipment bay area within B-121).

b) Removal of one kitchenette area within B-121.

c) Power MUST be maintained with B-121A (EOD ARMAG) and Armory within B-121 for alarm system functioning during the entirety of the project.

d) Destruction of equipment bay on B-122.

e) Development of enclosed hallway space attachment running from Southwest end of B-121 to Southeast end of B-122.

f) Exterior Vestibule on South end of B-122 entrance way.

g) Area fenced in extending 50 feet beyond B-121A (EOD ARMAG).

h) 2 Personnel: 1 gate at Southeast end of fence line and one at North fence line.

i) 1 Vehicle Gate at Northeast end of compound.

j) Re-do entire HVAC for scope of project.

4.2.Operation Control Center B-122:

a) Control center containing state of the art communications and visual aids to include base, local and state maps covering AOR.

b) Wall Outlets at 5ft to allow for TV mounts.

c) At minimum 2 Comm workstations.

4.3. Program Manager – Superintendent B-122:

a) Office space.

b) At minimum 2 Comm workstations.

4.4.Testing Room B-122

a) Adjacent to Training/Briefing Room.

b) Enclosed from both Training/Briefing, Break room and from additional working space.

c) 2 Comm workstations.

4.5.Open Storage SIPR Drop/Room B-122

a) SIPR/Secure Voice Over Internet capability.

b) Open Storage required due to JCREW system load-set classification and need for continuous storage of system in loaded configuration for response purposes.

- Walls, Floor, and Roof. Walls, floor, and roof shall be of permanent construction materials, i.e., plaster, gypsum wallboard, metal panels, hardboard, wood, plywood, or other materials resisting and evidence of unauthorized entry into the area. Walls shall be extended from the true floor to the true ceiling and attached with permanent construction materials, mesh, or 18 gauge expanded steel screen.

- Ceiling. The ceiling shall be constructed of plaster, gypsum, wallboard material, hardware, or any other acceptable material.

- Doors. Access doors shall be substantially constructed of wood or metal. For outswing doors, hinge-side protection shall be provided by making hinge pins non-removable (e.g., spot welding) or by using hinges with interlocking leaves that prevent removal. Doors shall be equipped with a GSA-approved combination lock meeting FF-L-2740. Doors other than those secured with locks meeting FF-L-2740 shall be secured from the inside with deadbolt emergency egress hardware, a deadbolt, or a rigid wood or metal bar that extends across the width of the door.

- NO Windows.

- Utility Openings. Utility openings such as ducts and vents shall be smaller than man passable (96 square inches). An opening larger than 96 square inches (and over 6 inches in its smallest dimension) that enters or passes through an open storage area shall be hardened in accordance with Military Handbook 1013/1A (Reference (at)).

4.6.Training/Briefing Room (SECRET) B-122:

a) Training/briefing room capable to conduct in-house and outside training/briefing up to Secret

Level for 35 personnel. Secret Level Facility Requirements.

b) Room will have outlets at the 5 ft level on walls for Television/Monitor Mounting for briefings.

c) 2 ceiling outlets.

4.7.Quality Assurance B-121:

a) Secure area for buildup and construction of QA and Training problem development.

b) Area must be capable of administering testing as well.

c) At least 3 Power stations and Comm Workstations.

d) Current SIPR drop Must remain.

4.8.Climate Controlled Equipment Bay B-121:

a) 2,400 sq/ft equipment storage bay capable of providing secure storage of emergency responder equipment, mobility packages, Base Support Emergency Response Vehicle and

Unmanned ground system platforms.

b) Area must maintain environmental conditions between 65 degrees F and 80 degrees F and between 40% and 60% relative humidity.

c) Area physically separated from other administrative and inhabited areas due to the storage of hazardous materials and high noise levels.

4.9.Locker Room/Pro Gear B-121:

a) Locker space for 24 personnel and circulation within area for lockers adjacent to preexisting plumbing for bathrooms within B-121. (Pro gear within climate-controlled area).

b) Entrance to bathroom area.

4.10. Logistics Office Extension:

b) At minimum 8 Comm workstations.

4.11. Training Office Extension

b) At minimum 6 Comm workstations.

4.12. Plans/Intel/TO Library Extension.

b) Located in-between Training and Logistics Office spaces.

c) At minimum 4 Comm workstations.

4.13. Covered Vehicle Parking Area

a) 35 ft L x 28 ft W x 16 ft H covered and lighted parking area for mobility vehicles.

5. Grading and drainage around the building (new canopy). Provide grading plan showing new elevations and new slopes around building. New grades shall be sloped to provide drainage away from the building. Maximum slope shall be 2%.

6. New canopy shall be a 35 feet x 28 feet x 16 ft high clear open area (no columns).

Geotechnical study shall be done to determine soil conditions. Geotechnical report shall be generated and signed and sealed by a Registered Professional Engineer.

7. Bird netting (new canopy). Provide a heavy-duty polyethylene bird netting to prevent birds from entering unwanted spaces. Bird netting: Shall be ¾” mesh. Color black. Install bird netting over all areas to prevent birds from landing or nesting. The bird netting must meet or exceed the requirement of ISO 1806 and 9001 Protocol Mesh Test for quality and mesh break strength.

8. New Roof (existing warehouse and buildings):

a) Contractor shall design and install new standing seam metal roof following all applicable UFC, Florida Building Codes and Miami Dade Code.

b) The roof slope shall be a minimum of 3:12.

c) The new roof shall be IAW HARB Roofing Section 07 41 13 Metal Roof Panels and Section 07

60 00 Flashing and Sheet Metal. Roof shall be designed as per ASCE-7, IBC 2015, UFC 3-110-

03, & the Miami Dade Code for High Velocity Wind Zones. All design shall be done by a

Professional Engineer who derives much of their income from roofing design. Design analysis shall include roof uplift calculation, hydraulic calculations, wind zones, attachment of system layers, flashing details, and any structural damage identified. Delineate calculated values in the roof specification or drawings. Utilize independently tested and rated roof systems, such as

Factory Mutual (FM), Underwriters Laboratory (UL). Design R value for the composite roof system is R=30.

d) Contractor shall submit framing components to show sizes, thicknesses, layout, material designations, methods of installation, and accessories. Contractor shall submit metal framing calculations to verify sizes, gages, and spacing of members and connections. The submittal shall include methods and practices used in installation. The submittal shall include the roof plan, installation details and phasing plan for execution of the project. The roof design shall have the seal of the Professional Engineer as well as manufacturer certification that the roof as designed will be warranted by the manufacture at the completion of construction. All structural drawings shall be signed and sealed by a Florida-registered P.E. Provide structural calculations during the

65% design submittal.

e) Contractor shall investigate suspected perimeter block. Should non-structural components be found, the contractor shall provide a design for repair to ensure new roofing assembly will be adequate for proposed installation in accordance with established engineering codes and practices.

f) Wind loads shall be calculated IAW ASCE/SEI 7-10 and the latest edition of the Florida

Building Code for High Velocity Wind Zones.

g) Contractor shall provide a design submittal for review within 30 days of the initial scoping site visit. The roof system, including the installation, shall have a current Miami-Dade Notice of

Acceptance (NOA) and be installed in a manner recommended by the NOA for the roof installation requirements and building deck that meets or exceeds the uplift requirements specified herein. For conflicts between the NOA and these specifications, the NOA shall rule.

Non-rated systems are prohibited. Ballasted systems are prohibited. The complete roof covering assembly, including insulation, shall be capable of withstanding an uplift pressure provided by the government, or if not provided, calculated by ASCE-7 using a minimum wind speed of 150 mph, exposure category C, but in no place shall be less than 150 psf.

h) The contractor shall obtain services from the manufacturer for inspection of the roof before, during, and after installation.

i) Exterior roof panel color shall be Medium Bronze. Interior roofing panel color shall be a manufacturer-standard light color. Gutters shall be used, and all panel edges shall be appropriately terminated in matching metal trim.

j) Any structural members with an enclosed profile (rectangular, circular, etc.) shall be either galvanized as specified herein or coated on the interior in heavy bituminous paint or alternate rust-prevention means submitted for approval.

k) Zinc-plated metal is prohibited in all forms.

l) Repairs to the deck shall be designed and accomplished in accordance with established engineering codes and practices.

m) Insulation installed as components of the roofing systems shall have a minimum R value of 30.

n) Incorporate fall protection control measures in the design of roof. Any part or component of the building, facility, structure, or equipment requiring future maintenance work at roofs must incorporate in the design fall prevention and control methods or techniques to eliminate fall hazards during occupancy and when performing maintenance work.

o) Work shall conform with the requirements of UFC 3-110-03 Roofing, sections of the Unified

Facilities Guide Specifications that are applicable, and applicable sections of the National

Roofing Contractors Association (NRCA) Roofing and Waterproofing Manual, 5th Edition. The

Contractor shall provide temporary roofing/cover during the performance of work to ensure that facilities are protected from water infiltration due to rainfall. All work shall be performed in a manner that protects the personnel inside the building from always falling debris. Contractor shall ensure that the roof is watertight at the conclusion of work on each day.

p) New roof warranty shall be a 20-year single source No-Dollar-Limit, water tightness system warranty that covers the roof up to the required design wind speeds and is from a single source manufacture. A minimum of 3 inspections shall be performed by the roofing manufacturer and a copy of the report prior to close-out of the project. Manufacturers’ warranties that require periodic inspections or repairs at the Government’s expense to maintain the warranty are not permitted. The warranty terms, exclusions, and limits must be enumerated in the specifications and require that all roof curbs and penetration flashings (lightning protection attachments) integrated into the roof system are covered under the warranty. All manufacturer inspections and government inspection require a written request 10 days in advance.

q) Close-out CD shall include As-built drawings in Auto-Cad and PDF, copy of warranty, and final inspection report. furnish a typewritten information card for facility records and a card laminated in plastic and framed for interior display at roof access point.

r) Contractor shall design, install, and certify a new Lightning Protection System IAW w/ NFPA

780, latest edition. Use aluminum lightning protection on metal roofs where appropriate. Install lightning protection system in accordance with the roof system warranty requirements (no penetration of roof panel at the valley or eave, limited or no penetrations elsewhere).

s) Contractor shall specify and install replacement exhausts to match existing.

9. Chain link fence. Provide one steel single exterior door for entrance. Provide two double steel exterior doors for vehicle access. All door locations shall be on the fence and coordinated during the design phase. All doors shall open out. Single doors shall be 3 feet width minimum, double doors shall be 3 feet width minimum each leaf. Provide crash/panic bar for single doors with a backing plate that extends a minimum of 18” above and below the bar to prevent activation from the outside. Provide door closer holder-release devices for all doors suitable for exposed locations. Provide lever handle for all doors.

Provide rim cylinders, mortise cylinders, and knobs of bored locksets with interchangeable cores using seven pin tumblers removable by special control keys and cylinders. Provide permanent cores from the products of Best Lock. Provide hardware that support the Best cores.

10. Exterior Installations: All exterior new installations, including but not limited to, roofing, windows, doors, louvers, fans, etc.. shall have the Miami-Dade Notice of Approval (NOA).

11. Interior Spaces: Administrative/office areas should have modular carpet tile, rubber base, painted gypsum board walls and 2x2 acoustical ceiling tiles. The gypsum board shall comply with ASTM

C1396, type X, 5/8 inch thick. Break rooms should have VCT floors, rubber base, painted walls and 2x2 ACT. Restrooms and shower rooms shall have porcelain tile floors and base, painted gypsum board and/or porcelain tile walls and pained gypsum board ceiling. The gypsum board shall be water resistant gypsum backing board and shall comply ASTM C620, type X, 5/8 inch thick. Corridors outside offices shall be VCT. Storage area, electrical room, mechanical room, and other utility spaces shall have sealed concrete floors, rubber bases (on gypsum board walls only), painted walls and 2x2 ACT ceilings.

12. Doors: Provide metal steel single exterior door. Provide crash-panic bar for exterior doors. Provide interior solid wood door with metal frame. Provide door closer holder-release devices for all doors suitable for exposed locations. Provide lever handle for all doors. Provide rim cylinders, mortise cylinders and knobs of bored locksets with interchangeable cores using seven pin tumblers removable by special control keys and cylinders from products of one manufacturer and provide cores from the products of Best Lock Corp of Falcon Lock.

13. Existing monitoring well: The bore hole shall be filled with clean lime rock fill to within 4 feet of the surface with the remaining 4 feet grouted with concrete to preclude contamination from possible surface sources. Once grouted flush with the existing surface limestone, sod shall be placed over the impacted area. This section applies only to existing monitoring well located in the areas of new asphalt or new foundations.

14. Site Restoration: Contractor shall place St. Augustine sod in all disturbed areas to the edge of the new Facility's concrete floor slab. The Contractor shall maintain the sod until the project is accepted by the Contracting Officer and the sod is established.

15. Mechanical: Design includes, but is not limited to the following:

15.1. General Design Criteria.

a) The design analysis shall include a Heat Load Calculation to include values of sensible and latent heat gain from occupant for air condition spaces IAW the latest edition of ASHRAE

Handbook. Computer load calculations shall be provided at two outdoor air conditions,

92.1 DBT / 79.2 WBT and 84.3 DBT / 81.3 WBT and shall include complete input and output summaries to include building U-factors, room checksum sheets and system checksum sheets. Each system shall be sized to the highest load condition. Internal design point should be 75 DBT / 62.5 WBT (65% RH) unless otherwise directed. Pre-approved computer load analysis programs are CHVAC, Trane TRACE, or Carrier HAP.

b) The design analysis shall show static pressure calculations from the OA intake to the last diffuser on the longest duct run, and calculations for the longest RA duct (where RA is ducted).

c) The design analysis shall show ductwork sizing - calculations.

d) The design analysis shall show the variable airflow volume (VAV) box flow calculations.

e) The design analysis must be provided at the design stage corresponding to a time before or concurrently with the equipment schedule drawings.

f) The design drawings shall include an Outside Air Schedule. The design shall minimize outside air intake to that required by latest ASHRAE 62.1. See DDC paragraph for modulation of OA based on CO2.

g) The design drawings shall include an Air Balance Schedule. The design shall include an additional 15% of the required outside air flow (determined by the higher of occupancy or exhaust requirements) for positive building pressurization during occupied mode. If the calculated building outside air intake requirements greatly exceeds exhaust requirements by more than 15%, then the design shall include additional weighted relief air dampers.

h) The design drawings shall include a DDC Points Schedule and control scheme diagram with narrative.

i) The design drawings shall include all HVAC equipment schedules. If used, VAV

Schedules shall have three columns for airflow: Cooling Maximum, Cooling Minimum and Heating. See related paragraph on VAV design.

j) Include, as part of the design drawings, all standard details for typical HVAC items installed in this design.

15.2. Specific HVAC Guidance.

a) Chilled-water system: Install new air-cooled chiller high efficiency with two internal pumps and digital lead compressor. Manufacturer shall be Carrier as per HARB standardization. Tag as ACCH-1. Condenser coil shall be copper tubes and compatible copper fins (Cu/Cu). All coils shall be capable of withstanding exposure to the salt spray test specified in ASTM B 117 using a 5% sodium chloride solution for a minimum of

8,000 hours by design or using total encapsulation with a factory E-coated. Provide chiller coil coating corrosion letter from manufacturer. Chilled-water pipes shall be copper.

Provide a water storage tank accessory (under-mounted water storage buffer tank) if required, needed to maintain the mass of water loop required.

b) Admin buildings: New multi-zone, variable airflow, chilled water systems, as required to satisfy the control sequence here-in. Return air shall be ducted. Provide ultraviolet (UV) light disinfection systems to sterilize airborne viruses and bacteria. This system shall be installed downstream of the return air filter. Tag as AHU-1, AHU-2, AHU-3...

c) Bay 100 and Bay 101, Building 121: New constant airflow system, chilled water system as required to satisfy the control sequence here-in. Return air shall be ducted.

d) Communications Closets: New direct expansion (DX) mini-split system. Wall thermostat shall be wiring powered (battery is not allowed) and shall have password protection code.

e) Heat pumps are prohibited. Economizers are prohibited. Roof-top HVAC equipment is prohibited (except for exhaust units or small air intake structures with curbs a minimum of

18-inches above the finished roof surface.

f) Provide phase monitors for each indoor and outdoor AC units. Phase monitors shall continuously monitor the incoming voltage to provide superior motor protection from premature failure and damage due to voltage unbalance, high and low voltages, phase loss, phase reversal, faulty power, lightning power surges and short cycling. Provide LED indicator to display the current system condition.

g) Provide Chiller’s factory start-up and test report.

h) Provide security grilles and louvered hail guards to protect all exterior chiller and condensing unit’s condenser coils from hail, airborne debris, general contact damage and vandalism.

i) Install new 4-in copper pipes and 4-in butterfly valves with Victaulic blank flanges in the chilled-water supply and return lines. The intention is to leave provisions for future connection to a temporarily chiller if needed. Provide pipe insulation. Provide piping identification labels, tags as “Temp Chiller Tap”. See installation detail below.

15.3. Advance Meters: Provide new advanced meter reading (AMR) on the domestic and electric service in accordance with HARB standards. The electrical meter shall be located inside mechanical room.

Coordinate electric meter requirement with Electric section below. Use a concrete box with steel cover for outdoor water meter. Both meters shall be connected to the HVAC direct digital control system (DDC) for monitoring consumptions. Water meters must be metered with approved remote readable meter. Also see paragraph, “BACnet Direct Digital Systems”.

15.4.BACnet Direct Digital Systems. The HARB has an unlimited campus field license WebCTRL

7.0 AutomatedLogic. The new DDC control shall be BACNET and fully compatible with the existing WebCTRL 7.0. The new DDC control shall be standalone system with its own license software and workstations. Install a new BACnet DDC that interconnects and controls all VAVs, AHU (and associated VFD), all EFs, as described in below sequences:

a) Dehumidification Control Loop: Dehumidification operation shall be based on the average readings of humidity sensors located throughout the space. When the average relative humidity exceeds the DDC configured relative humidity set point (adjustable), and the return air temperature is less than or equal to 75°F + 2°F (adjustable), the DDC shall turn on the reheat coil for dehumidification mode. Supply air temperature shall be no more than

10° delta T out of cooling coil supply air temperature setpoint. The dehumidification mode shall be on until the average relative humidity falls 5% below the average relative humidity setpoint or the return air temperature is more than 75°F + 2°F (adjustable) or the dehumidification mode reaches one (1) hour (adjustable), whichever comes first. Two (2) hour (adjustable) dehumidification mode time-off shall be allowed before to engage next dehumidification mode. Timer clock shall be shown on the graphics displaying the dehumidification time on and off in minutes. The graphic shall display a button where this sequence can be enabled or disable. Supply air set-point and supply active set-point shall be shown on the graphics. Electric duct heater shall be in the supply duct reheat position and used for dehumidification mode only.

b) Overcooled Temperature Reset: The supply air leaving temperature set-point “active set-point” shall increase +0.5°F gradually when the main return air temperature is below 72°F

(adjustable) until the main return air temperature is equal or above the overcooled set-point temperature. Supply air set-point and supply active set-point shall be shown on the graphics.

c) Supply Temperature Reset for Winter Heating: The supply air leaving temperature set-point “active set-point” shall increase +10°F while the outside air temperature is below

55°F (adjustable). Supply air set-point and supply active set-point shall be shown on the graphics.

d) Occupied default temperature setpoint: It is the temperature set-point after the system switch from unoccupied to occupied mode. It shall be 76°F adjustable for all VAV boxes thermostats. Occupied default temperature set-point shall be shown on the graphics.

e) Multi-Zone Variable Air Volume Systems:

In the Pre-Occupied Mode, the system shall operate identical to the Occupied Mode except that the OA Loop shall be disabled.

In the Occupied Mode, the VAV zone temperature set-point (adjustable) shall be set at the occupant-adjustable set-point via the wall-mounted thermostat and the zone relative humidity set-point shall be maintained at or below the relative humidity upper limit set-point (adjustable). The supply fan shall be enabled and commanded to run, and all control loops shall be enabled.

In the Unoccupied Mode, the OA Loop shall be disabled, and the zone temperature set-point shall be at the unoccupied configured set-point (adjustable). While the average of zone temperatures is equal or less than the configured set-point (adjustable) and the average of zone relative humidity is equal or less than the relative humidity upper limit set-point

(adjustable), the supply fan and all control loops shall be disabled. If either the average zone temperature is greater than the unoccupied configured set-point, or the zone average relative humidity is greater than the relative humidity upper limit set-point, then the supply fan shall be enabled and commanded to run, the Cooling Coil Loop shall be enabled, and

Dehumidification Control Loop shall be enabled.

In the OFF Mode, the supply fan and all control loops shall be off.

f) Zone Temperature Control, VAV boxes: VAVs maximum and minimum airflows (CFM) shall be adjustable values.

Occupied: When this loop is enabled, and in cooling mode, the DDC Hardware shall maintain the coil leaving supply air temperature at set-point (adjustable) by staging the cooling coil chilled water valve.

The zone temperature set-point shall be at the configured set-point (adj) or at the occupant-adjustable set-point via the wall-mounted thermostat. The heating temperature set-point (adj) will be input to the DDC with a setting independent of the cooling set-point with the recommended initial input set to 62°F. The DDC Hardware shall modulate the VAV box damper to maintain VAV box supply air flow at set-point as measured by a multi-point flow sensing element at the inlet to the VAV box. Sequencing shall be as follows:

Upon a rise in zone temperature above zone temperature set-point (adj), the airflow set-point shall be adjusted between minimum and maximum flow based on the difference between zone temperature and zone temperature set-point (adj).

Upon a fall in zone temperature between zone temperature set-point (adj) and zone heating set-point (adj), the airflow shall be maintained at the fixed schedule minimum air flow set-point.

Upon a fall in zone temperature below zone heating set-point (adj) initially set at 62°F

(adj), the airflow shall be maintained at the fixed schedule minimum air flow set-point and the electric resistance heating will be enabled. The discharge air temperature for heating will not exceed 85°F.

Unoccupied: Same as occupied mode except that the zone temperature set-point shall be at the configured set-point for the Unoccupied Mode as shown or indicated and any VAV box. The winter heating mode is disabled in unoccupied mode.

g) OA loop – CO2: The DDC shall actively modulate the OA flow during occupied mode, according to CO2 measurements. Place a single CO2 sensor in the main RA duct.

Zero occupants plus the appropriate CFM / SF shall determine the minimum OA flow value for all zones served, plus the OA required for all exhausts in the zones served and pressurization. The maximum OA flow value shall be determined from the Outside Air schedule. The OA shall be linearly varied between a minimum OA flow values for CO2 less than or equal to 600 ppm to the maximum OA flow value for CO2 greater than 1,000 ppm. The OA duct shall be sized for, and the OA manual volume damper shall be balanced to, obtain the highest OA flow at the lowest AHU supply air volume with the OA modulating damper at the 100% open position.

h) Default temperatures set points:

The temperature cooling set-point for normally occupied spaces/zones during occupied modes shall be 76°F (adjustable) and any user-input thermostats shall be set to a ± 3°F adjustable dead-band.

The temperature cooling set-point for normally occupied spaces/zones during unoccupied modes shall be 82°F (adjustable).

Cooling shall begin when the set-point is exceeded and continue until after the space/zone temperature falls 2°F below set-point (cooling dead-band).

The heating temperature set-point (adjustable) shall be input to the DDC with the recommended initial input set to 62°F.

Occupied default temperature set-point shall be 76°F adjustable.

i) Thermostats: Install new wiring powered wall thermostats (battery is not allowed). New wall-mounted thermostats shall only be able to adjust User’s cooling temperatures set-points within the temperature pre-set limits (range). All other thermostats options/functions shall be disabled. New wall-mounted thermostats shall display the actual room temperature and the User’s cooling temperature set-point.

j) ACCH-1: The DDC program shall enable the chiller if the outside temperature is above

45°F (adjustable). DDC program shall show the current chiller load capacity, GPMs, water leaving and return temperatures on the GUI chiller display page which shall also be trended.

k) Occupancy Modes: Occupancy mode determination shall be by a DDC schedule with ceiling mounted occupancy sensors to override. Ceiling mounted occupancy sensors shall have a 15-minute timeout period (adjustable).

l) All set-points shall be adjustable and entered from the DDC.

m) DDC shall have a GUI page for display of the electrical building meter measurements to display KW-hr, KW demand, KVA per phase. Values shall be capable of trending.

n) DDC shall have a GUI page display of the water building meter measurements to display

GPM. Values shall be capable of trending.

o) DDC shall have a GUI page for display the DX Mini-Split systems. The DDC shall monitor temperature sensor in Communication Rooms for trending and alarm purposes.

This may be done via interface with the new mini-split DDC thermostat or via dedicated sensor independent of the new mini-split DX.

p) DDC shall have a display to show the approved DDC sequence of operation and HVAC as-built drawings in PDF format.

q) DDC shall generate an alarm for fire alarm/emergency shutdown button activation. The alarm shall turn off automatically when the fire alarm is clear or when the emergency shutdown button is deactivated.

r) Include all relevant fire alarm interlocks and tie-ins required by code and as required by the HARB HVAC Specs Section 23 09 23.13 X.

s) Failures of CO2 sensors, and static pressure sensors shall generate an alarm at the DDC.

15.5.Type and Location of User Interfaces. DDC control components, devices, equipment, etc… shall not be located inside the Communication Room.

15.6.Provide a single BACnet DDC IAW HVAC Specs that controls and interconnects all building

HVAC systems associated with the air-conditioned spaces.

15.7.Provide a DDC router to be in the mechanical room and a building point of connection (BPOC) to be in the communications room / closet (connection to exterior by others).

15.8.Emergency Shut-Off Button: Button shall be of the mushroom push-button type, lighted when pressed, pull-to-reset type, and brushed-metal faceplate. Buttons shall have a clear acrylic lift-to-operate protective cover to protect inadvertent activation. ESB shall shut down all AC systems, all exhaust fans and command all motorized dampers to the outside closed. When the button is deactivated, the system shall revert to its programmed schedule. The button shall be labeled.

15.9.Notebook computer: One notebook computer, recommended location inside mechanical room.

Notebook shall be hardwired networked inside a metal surface-mounted wall fold-down key-locked workstation cabinet. At minimum, the workstation software shall include: the latest version of Microsoft Windows Professional operating system approved by the M&C software manufacturer; browser; latest versions of Microsoft Word & Excel (or Office bundled software);

Adobe Acrobat Reader; and Symantec Ghost disk imaging software or equal. Provide all original licenses, installation media, documentation, and recovery CDs capable of restoring the original configuration.

15.10. IP addresses: The government shall provide the IP addresses for all controllers, routers, notebook computer, etc…

15.11. DDC Software.

a) A written statement entitled “Software Upgrades” stating software and firmware patches and updates will be provided upon request at no additional cost to the government for a minimum of two years from contract acceptance. Include a table of all DDC system software and firmware provided under this contract, listing the original release dates, version numbers, part numbers and serial numbers.

b) All necessary documentation, configuration information, configuration tools, programs, drivers, and other software is licensed to and otherwise remains with the government such that the government or their agent can repair, replace, upgrade, and expand the system without subsequent or future dependence of the Contractor. Software licenses must not require periodic fees and must be valid in perpetuity.

c) The use of any hardware/USB keys to enable system or software access is prohibited.

d) Provide software with the manufacturer's installation media and lifetime licenses. The software shall permit complete monitoring, modification, and troubleshooting interface with the DDC system.

e) Provide all programming and tools to configure and program all controllers.

f) Provide backup programming.

15.12. Labels: Provide engraved laminated phenolic identification plate for all equipment and devices. Identification plates shall be three layers, black-white-black, engraved to show white letters on black background. Letters shall be upper case. Identification plates 1-

1/2-inches high and smaller shall be 1/16-inch thick, with engraved lettering 1/8-inch high; identification plates larger than 1-1/2-inches high shall be 1/8-inch thick, with engraved lettering of suitable height. Identification plates 1-1/2-inches high and larger shall have beveled edges. Install identification plates using a compatible adhesive.

15.13. Storage Cabinets. Wall mounted storage cabinet(s) shall be provided; recommended location is inside Mechanical Room. Cabinets shall be large enough to hold the entire set of As-Built, Controls System Operators Manuals, TAB Report, Commissioning Report and the operation and maintenance manuals (O&M) provided under this contract.

15.14. Spare Parts: Provide spares for the following items in the contract in the quantity of 1 per every 10 units of the same type used in the contract, but not less than 1 total: thermostats, space temperature sensors, space humidity sensors, space CO2 sensors, VAV controllers, occupancy sensors and touchscreen interfaces.

16. Plumbing. Design to accommodate new restrooms, kitchenette, and hose bibbs.

a) Design Calculations:

Hot water heater calculations: Design shall be based on the methods described in the

American Society of Plumbing Engineers (ASPE) Volume I, Fundamentals of Plumbing

Design. Submit calculations for determining storage capacity and recovery rate.

Isometric: Isometric diagrams of the sanitary and water system shall be included in the design submittal.

Calculations: Detailed calculations for the plumbing system shall be included in the Design

Analyses.

b) Equipment: New electric tank water heaters shall be provided with high efficiency glass-lined steel tanks, polyurethane foam insulation, replaceable anodes, and adjustable range thermostats to allow hot water settings up to 140 F. The water heaters shall be provided with a warranty of not less than 5 years and posted operating instructions. The water heater’s efficiency shall meet or exceed that listed for FEMP, ENERGYSTAR or as listed in ASHRAE 90.1, whichever is greatest. Domestic hot water shall be stored at a temperature of not less than 140 F.

c) Water hammer arrestor. Water hammer arrestors shall be installed in lines subject to water hammer. Water hammer arresters shall be engineered mechanical type sized and installed to safeguard the water distribution system against destructive water hammer hazard and noise. Water hammer arrestors shall comply with PDI WH201.

d) Piping Insulation. All above grade potable water piping (hot water) shall be insulated.

Exposed potable water piping (both hot and cold) directly adjacent to, and connected to, plumbing fixtures shall be chrome-plated brass and un-insulated, except for handicapped accessible lavatories.

e) Condensate drains system for all new A/C units. Drain piping shall discharge to new drywells; discharge of any drainpipe to sanitary sewer is prohibited.

f) New hose bibs shall be provided. All hose shall be recessed type with locking cover, provide removable tee-handle. The inlets shall have internal threads and the outlets shall have integral vacuum breaker backflow preventers and 3/4-inch external hose threads.

17. Electrical: Designer shall follow all design criteria, directions and guidance provided in the attachment 4, Electrical, Fire Alarm, Mass Notification and Energy Conservation HARB design guidelines.

Design and installation shall conform to United Facilities Criteria (UFC) in addition to the latest editions of the references listed below, unless otherwise indicated herein. UFC(s) are the governing codes for DoD projects. Where a UFC is silent on a given subject, then Standard Codes of Practice shall apply. Where there is a conflict between UFC and Standard Code of Practice, the more stringent requirement shall apply. Air Force Engineering Technical letters (ETL) shall also apply. The following table is a list of the minimum codes and standards that the project must comply with. Not all codes are listed, and where codes of another discipline listed elsewhere in this specification section have electrical or communications requirements, such requirements shall be incorporated into the electrical and communications design. The Design Build Team (DBT) is responsible for ensuring compliance with all codes listed in this scope of work.

17.1.General

Demolish the existing electrical distribution equipment including, but not limited to, Main Distribution Panel (MDP), sub-panelboards, interior transformers, receptacles, lights, and lighting controls. Conduits and conductors routed above grade shall be completely removed. Where walls are to remain, existing conduit and boxes shall be reused where feasible, new conductors and devices shall be provided. Conduits routed in slab not being reused shall be cut and sealed flush with the slab. Reroute existing circuits to remain as required.

Provide electric service and distribution equipment, interior and exterior lighting and control, and emergency lighting in accordance with UFC, NFPA 70, National

Electrical Code; national and local codes; and the installation design requirements. Consider adding a centralized electrical room as necessary. Provide power connections and ancillary work required to support all HVAC and plumbing fixture requirements. Electrical systems serving the Critical Operation

Power Systems shall be installed per NEC Article 708. All service equipment shall be Underwriters Laboratories (UL) listed. The exact location of outlets, lighting fixtures, and equipment shall be governed by structural conditions and obstructions and shall be repositioned as required during construction at no additional cost to the Government. Where it is necessary for outlets or connections to be at specific locations, details shall be provided showing exact measurements. Coordinate all design so that interference between duct, piping, architectural, and structural work shall be avoided.

The Design Build Team (DBT) shall include site electrical utilities and interior distribution systems according to UFC documents and the latest Homestead

ARB design requirements. Site Electrical Utilities shall include exterior lighting and distribution systems as required.

The interior electrical systems shall include distribution equipment, surge protective devices (SPD), wiring devices, raceways, conductors, and interior lighting systems. All Electrical Systems shall be designed for a complete and operational facility.

All electrical calculations shall be completed and submitted for review as specified in the UFCs and other applicable codes and documents.

In addition to the criteria identified in this RFP, comply with all the facility specific design requirements and local Homestead ARB design requirements.

17.2. Coordination

Electrical work including any outage requirements for connections to existing electrical system shall be coordinated through the Contracting Officer.

Coordinate reconnection to existing service transformer, temporary power connections, and other Utility connections with Florida Power and Light (FPL) as required.

17.3. Temporary Power

The DBT may temporarily connect to existing electrical power as required to accomplish the work. DBT shall provide temporary electrical service as part of design package. All temporary wiring shall be in accordance with NFPA 70. All temporary outlets shall be Ground-Fault Circuit Interrupter (GFCI) protected.

Connection to existing electrical systems shall be coordinated with the

Contracting Officer and FPL.

17.4. Exterior Primary Power

The primary medium voltage power system is operated and maintained by FPL.

DBT shall coordinate with FPL and Contracting Officer during design and construction for reconnection requirements. All primary power work shall be furnished by the DBT per FPL standards in addition to design requirements per

UFC 3-501-01 and other applicable codes and documents, including UFC 3-550-

01.

17.4.1. Service Transformer

The facility is fed by 150kVA, three-phase, delta primary, wye secondary, loop-feed pad mounted transformer. The transformer serves 2 separate facilities on the base. DBT shall meter existing buildings to determine existing load per NEC.

17.4.2. Facility Power

Existing service entrance conductors extend from the pad mounted transformer, in an existing duct-bank to the south wall of the existing electrical/mechanical room.

The existing service conductors for building 121 are 4-500 kcmil in 4” conduit and building 122 are 4-4/0 kcmil in 4” conduit. The existing service panelboard is a 600A 208Y/120V panelboard and a 200A 208Y/120V panelboard. Provide new conductors as necessary. All conduits shall be metallic except as allowable for underground and under slab use. Homestead ARB electrical requirements shall be incorporated into the design.

17.4.3. Metering

Power at the facility shall be metered by means of advanced meter reading to be mounted inside the electrical room next to Main Distribution Panel. Meter shall be provided and installed per HARB Electrical Design Requirements/Guidelines and other applicable codes and documents. See HARB Electrical Design

Requirements /Guidelines for meter basis of design. Provide a connection via 1 inch conduit from the meter location to main DDC control panel and

Communication closet.

17.4.4. Main Distribution Panelboard (MDP)

The MDP shall be UL Listed for service entrance (SE) and shall be dead-front with low voltage molded case circuit breakers. A Surge Protection Device shall be included in the main panelboard (mounted externally to enclosure.) SPD devices shall meet UFC 3-520-01 requirements for minimum peak surge current rating per mode. The panelboard main circuit breaker shall be equipped with integral ground fault protection to comply with NFPA 70. Feeder breakers sized

400A and larger shall be 100-percent rated. Provide a minimum of 25-percent space for future breakers the MDP.

17.4.5. Panelboards

Distribution and branch circuit panels shall be fully rated for the available fault current and furnished with a main circuit breaker (unless fed from an upstream panel breaker in the same room). Provide panels with full-sized, bolt-on, branch breakers, copper main busses, insulated copper neutral bus and bonded copper equipment grounding bus. All panels serving non-linear loads shall include two hundred (200) percent rated neutral buses and appropriately sized feeders.

Provide a minimum of 25-percent spare circuit breakers and 20-percent space for future use in each panel. The DBT shall provide and install printed panel schedules. Dedicated panels for non-linear loads shall have a surge suppressor.

Dedicated panels for…