W912PL20R0032_Amendment0002.pdf

SECTION 01 10 10 Page 55

NELLIS AFB 365th ISR GROUP CONSOLIDATED FACILITY Amendment No. 2

9. Roof Deck shall be galvanized, conform to ASTM A653, have a minimum thickness of 0.0359-inches and have a minimum depth of 1.5-inches.

10. Floor Deck shall be galvanized, conform to ASTM A653, have a minimum thickness of 0.0359-inches and have a minimum depth of 2-inches

11. Structural Cold Formed Steel framing shall be galvanized, conform to

ASTM A653 and have a minimum thickness of 0.047-inches for structural framing. For non-structural non-bearing partitions or walls, design thickness is to comply with deflection limits. Galvanizing is not required for metal building system components such as purlins, girts, and clips.

9.11.4 Steel Deck.

9.11.4.1 Where steel deck is used, show required section modulus and moment of inertia on drawings. Steel decks shall be minimum 20 gage with galvanized G90 coating.

Button-punching of metal deck panels shall not be authorized. Mechanical fasteners, either powder actuated, pneumatically driven, or self drilling screws may be used in lieu of welding, provided product data is submitted to and approved by the EoR.

9.12 MASONRY.

9.12.1 All structural masonry walls shall be fully grouted. CMU (ASTM C90, Type I or II) shall have minimum compressive strength of 1500 psi.

9.12.2 Mortar shall conform to ASTM C270, Type S, with Portland cement

9.12.3 Masonry grout shall conform to ASTM C476 and shall have a minimum compressive strength at 28 days (f’m) of 2,000 psi

9.12.4 All horizontal wall reinforcement shall be placed using bond beam type masonry units. Lintel units will not be used in lieu of bond beam units. Exterior masonry walls shall be in accordance with ACI 530.

9.12.5 All new CMU wall construction shall be performed in accordance with the contract documents provided by the EoR which shall be in accordance with the applicable codes.

9.12.6 All masonry veneer shall be adequately supported vertically on concrete foundations and tied back to structural walls or columns using seismic veneer ties and continuous joint reinforcing.

9.13 INSULATED CONCRETE FORM WALLS.

9.13.1 Provide insulated concrete forms (ICF) for exterior walls. The thickness of concrete inside of the forms shall be a minimum of 8-inches, unless a larger thickness is warranted by demands.

9.13.2 Refer to section 10.11.1.4 for additional requirements of ICF walls.

SECTION 01 10 10 Page 58 appropriate control joints. Stucco shall have an integral color. Provide 2 colors per Exterior Color Schedule. Exterior elevation drawings show color locations and show factory-finish metal horizontal reveal joints in the stucco.

10.11.1.3 Concrete. Exposed architectural concrete may be used on minor building elements such as window sills and wall caps. Precast architectural concrete, if used in this design, shall be fabricated with integrally colored concrete, in a color and texture to coordinate with other major building materials and in accordance with the Installation Design Guidelines. All precast concrete elements shall be lightly sandblasted to produce a unified, matching color, texture and overall appearance. All exterior finished architectural concrete shall be sealed against water using a clear, non-sheen, impregnating sealer.

10.11.1.4 Insulated Concrete Forms (ICF). ICF wall system shall be used for all building exterior wall construction. ICF shall have an exterior veneer of CMU or synthetic stucco as shown on exterior elevation drawings. ICF shall be designed and installed to meet all secure area wall requirements. ICF wall shall consist of two panels of molded expanded polystyrene (EPS) insulation connected by cross ties that act as permanent formwork or cast-in-place reinforced concrete beams, lintels, non-load bearing walls, load bearing walls, foundation walls, and retaining walls. Design and construct framework in accordance with ACI 347 for anticipated loads, lateral pressure and stress and to withstand the pressures resulting from the placement and vibration of concrete. A metal stud wall system and steel structure in lieu of ICF wall may be acceptable at some second floor locations. The alternative assembly shall meet all requirements of ICD 705 and building envelope performance requirements. A false interior wall at these locations shall be provided to hide from view all conduits and j-boxes that cannot be located inside the metal stud wall system due to ICD 705 requirements.

10.11.1.4.1 Design Criteria. Provide a minimum 8-inch concrete “flat” cross section.

Preformed forms with interlocking edges shall be used to facilitate course-to-course bonding. Provide manufacturer’s standard straight, 90-degree corners, 45-degree corners, brick ledges, and tapered top forms, as required. ICF shall have a minimum R-value of R-22, in accordance with ASTM C518 and ASTM C177. EPS shall provide a maximum vapor permeation of 3.5 perm-inch. Finish wall assembly shall have a minimum Sound Transmission Class (STC) rating of 50, when tested in accordance with ASTM E90. The fire resistive-rating for the entire assembly shall be tested in accordance with ASTM E119.

10.11.1.4.2 Density. Minimum 1.5 lbs/ft3 in accordance with ASTM D1622.

10.11.1.4.3 Thermal Resistance. 4.0 F*ft2*h/Btu per in. * min. in accordance with ASTM C177.

10.11.1.4.4 Compressive Strength. 15.0 psi in accordance with ASTM D162.

10.11.1.4.5 Flexural Strength. Minimum 40 psi in accordance with ASTM C203.

10.11.1.4.6 Flame Spread. Maximum 25, in accordance with ASTM E84.

10.11.1.4.7 Smoke Developed. Maximum 450, in accordance with ASTM E84

10.11.1.4.8 Expanded Polystyrene (EPS). EPS shall conform to ASTM C578. Provide flame

SECTION 01 10 10 Page 65 extruded aluminum with anodized satin finish for walls and ceilings and with standard mill finish for floor covers and exterior covers.

10.11.5.3 Roof Access. Provide lockable and alarmed 3’x4’ metal roof hatch with permanent wall-mounted interior metal ladder at 2 locations shown on roof plan.

Provide all required hardware, roof curbs, flashing, etc. Hatch and ladder system shall be OSHA approved. Ladders shall be painted to match interior wall color.

10.11.5.4 Stair and Handrail System. Provide concrete and steel interior stairs as shown in drawings. Stairs between first and second floor shall have architectural stainless steel railing system with stainless steel cables. All railings shall have concealed fasteners and all misc. Interior railings shall be stainless steel. Stairways between first and second floors shall have a minimum width of 5-feet. Exterior stairs (as required) shall have non-slip edging at all stair tread nosing. Exterior railings shall be painted metal pipe.

10.11.5.5 Knox Box. Provide a Nellis fire Department approved Knox box on exterior wall near main entrance door. Connect box to fire alarm system.

10.11.5.6 Sunshade Canopies. Provide metal cantilevered sunshade canopies at doors and windows as shown on exterior building elevations and roof plan. Sunshade assembly shall be factory finish metal. Provide metal mesh panel material attached to appropriately sized metal framing system. Metal mesh shall be between 5% and 15% open. Panels shall be an architectural metal mesh material manufactured by GKD Metal Fabrics, Cambridge Architectural Mesh as basis of design. Mesh material shall be highly durable and not easily damaged Field painted steel shall not be used on the canopies. Appropriately angled, factory finished airfoil shaped louvers may be used in lieu of metal mesh.

100% solar shading shall be provided under the louvered canopies.

10.11.6 Air Barrier Requirements. Contractor must comply with the air barrier design, construction, and testing requirements of UFC 3-101-01, UFGS 07 27 10.00 10 BUILDING AIR BARRIER SYSTEM and UFGS 07 05 23 PRESSURE TESTING AN AIR BARRIER SYSTEM FOR AIR TIGHTNESS. Provide a continuous air barrier around the building, in accordance with ASHRAE 90.1-2013. Clearly identify all air barrier components of each envelope assembly on construction documents and detail the joints, interconnections and penetrations of the air barrier components. Clearly identify the boundary limits of the building air barriers, and of the zone or zones to be tested for building air tightness on the drawings. Provide plans, sections, and design details as indicated in UFC 3-101-01 and UFGS 07

2710.00 10 BUILDING AIR BARRIER SYSTEM.

10.11.6.1 Air Barrier Performance: The air barrier material(s) shall have an air permeance not to exceed 0.004 cfm/sf at 0.3-inch wg when tested in accordance with ASTM E2178. Building air leakage must not exceed 0.4 cfm/sf at 0.3-inch water.

10.11.6.2 Air Barrier Joints: Join and seal the air barrier material of each assembly in a flexible manner to the air barrier material of adjacent assemblies, allowing for the relative movement of these assemblies and components.

10.11.6.3 Air Barrier Support: Support the air barrier so as to withstand the maximum positive and negative air pressure to be placed on the building without displacement, or damage, and transfer the load to the structure.

10.11.6.4 Air Barrier Penetrations: Seal all penetrations and openings. Any unavoidable

SECTION 01 10 10 Page 71 finished with tinted polyurethane stain with low gloss sheen.

10.12.5.2 Interior Hollow Metal Doors. Interior doors shall be factory finished, Level 4

Maximum Duty, full flush hollow metal units complying with ANSI A250.8. Fire rated doors shall comply with NFPA 80. Door finish color shall be coordinated with interior color palette.

10.12.5.3 Hollow Metal Frames. Comply with ANSI A250.8, Level 4, with welded corners.

Fire rated frames shall comply with NFPA 80 Finish color of frames shall be coordinated with interior color palette.

10.12.5.4 Acoustically Rated Doors. Interior doors shall be hollow metal or solid core wood.

Solid core wood doors shall be custom grade, with AA grade red oak, quarter sawn or plain sliced veneer except as noted. Doors shall be factory finished with tinted polyurethane with a low gloss sheen. All doors shall be a minimum of 7-feet high.

Hollow metal frames shall be painted to be compatible with interior color scheme.

Rated doors in hallways, storage areas and other areas requiring ratings are to have full neoprene gasketing and hardware as required by code. Provide acoustically rated doors and frames as required to meet the noise reduction ratings indicated elsewhere in this document. STC ratings for doors shall include the entire door and frame assembly and doors shall be field tested to ensure compliance.

10.12.5.5 Vision Lites. Vision lites must meet code requirements for fire ratings where applicable. Provide allowance for 15% of interior non-STC-50 rated doors.

10.12.5.6 Electrical Room Doors. Doors to electrical closets shall swing outward 180-degrees to provide easy access without obstructing egress paths.

10.12.6 Door Hardware.

10.12.6.1 General. Provide hardware manufactured to template and complying with BHMA

A156 Series requirements. Hardware for fire-rated door assemblies shall be listed and comply with requirements of NFPA 80. Exit hardware shall comply with NFPA

101 criteria. Hardware at security doors shall be coordinated with Installation access control and alarm system requirements.

10.12.6.2 Hinges. Comply with BHMA A156.1. Hinges shall be ball-bearing, stainless steel with BHMA 630 finish. Hinges at exterior and security doors shall be constructed with non-removable pins. Hinges for exterior electrical room doors shall allow door to swing open 180 degrees.

10.12.6.3 Mortise Locks and Latches. Comply with BHMA A156.13, Series 1000, Operational

Grade 1, Security Grade 2. Levers or knobs are acceptable.

10.12.6.4 Bored Locks and Latches. Comply with BHMA A156.2, Series 4000, Grade 1.

Levers or knobs are acceptable.

10.12.6.5 Mechanical Push Button Locks. Comply with BHMA A156.36. Provide heavy-duty mechanical push button (“cipher”) locks on all exterior personnel doors. Levers or knobs are acceptable.

10.12.6.6 Exit Devices. Comply with BHMA A 156.3, Grade 1. Coordinate with security requirements for alarms and re-entry criteria.

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Conference Room, stained and finished to match the wood table in the room.

10.12.11.8 Ceramic Tile. All tile shall conform to the strength requirements of ANSI A137.1.

Wall tile and trim shall be cushion edged. Conventional trim pieces are required, butt joints are not acceptable. Ceramic wall tile shall be a minimum 4-1/4” X 4- 1/4”, preferred size is 8” x 8”. Tile in vertical dimension shall be a whole tile.

Wainscot height shall be adjusted to the nearest whole tile. Substrate for wall tile shall be mortar setting bed or cement backer board (gypsum board is not acceptable) as required by UFC 3-101-01. Wall tile may be installed over water proof cement backer board/underlayment over stud framing or over a setting bed, methods W241-02 or W244-02, per TCNA Handbook for Ceramic Tile Installation.

10.12.11.8.1 Grout. Select the latex-Portland cement mortar in a lighter color grout for vertical surfaces to coordinate with the tile color for walls. Grout must be of a high strength, non-shrink, sanded type with latex admixture. Grout shall be prepared and installed in accordance with TCNA handbook. Ensure that all grout is properly sealed to prevent excess soiling. Wipe away excess grout as soon as possible so as to avoid staining of the tiles

10.12.12 Specialties.

10.12.12.1 Interior Window Sills. Interior window sills shall be standard ½-inch thick resinous solid surface material. Exposed outside corners shall be filleted, chamfered, or radius profiles. Surfaces shall not be affected by Class I reagents. Color shall be standard off-white or gray neutral for window sills.

10.12.12.2 Window Coverings. 1-inch Type II, 008 gauge metal horizontal blinds shall be provided for all exterior windows. Blinds shall be of the metal louver type, with 0.5 mm (.020-inch) diameter symmetric perforations for a 6% openness factor to provide the ability to see through closed blind and still deliver up to a 42% reduction in solar heat gain. Provide heavy duty 1-inch x 1½-inch steel head rail, and tubular steel bottom rail finished to match slats. Tapes must be braided polyester or nylon. Color for blinds shall be a neutral gray, beige or off-white.

Blinds must be inside mounted. All windows shall be field measured to ensure correct number and proper fit.

10.12.12.3 Toilet Accessories. Toilet accessories (toilet paper holder, shower curtain and rod, integral soap dish, etc.) shall be provided in all restrooms (including ABA showers) and Mother’s, as appropriate. Provide heavy-duty steel waste receptacles, toilet paper dispensers, paper towel dispensers, soap dispensers, and mirrors per acceptable industry practice. All toilet accessories shall be brushed stainless steel or chrome finished steel. Soap dispensers in restrooms are to be counter-mounted, top fill accessible. Soap dispensers in the Mother’s room and ABA shower stalls are to be wall-mounted, top fill accessible.

10.12.12.4 Toilet Partitions and Urinal Screens. Panels shall be not less than 1-inch thick with face sheets not less than 0.0396-inches thick. Partitions and screens shall be floor supported. Finish surface shall be water resistant, graffiti resistant and non- absorbent. Reinforce panels that are to receive toilet paper holders, etc. to support mounting of items required. Toilet partition hardware shall include manufacture’s standard hinges, latch and pull, and coat hook, and be resistant to alkalis, urine and other common toilet room acids. Secure wall hung urinal screens with 42-inch long continuous flanges. Use corrosion-resistant steel fittings and fasteners.

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10.12.12.5 Hand Sanitizer Dispenser. Hand sanitizer dispensers shall be wall- mounted, battery operated, top fill, automatic, touchless type that dispenses sanitizer when a hand is placed in proximity of a sensor. Dispenser shall have a view window to monitor quantity of hand sanitizer product remaining. Dispenser shall have a small tray below the dispensing portal to catch wasted sanitizer. Batteries shall have a small tray below the dispensing portal to catch wasted sanitizer. Batteries shall be of a standard size such as AA cells. Dispenser shall be similar to products manufactured by Purell, Sloan or approved equal. Contractor shall supply and install sanitizer dispensers complete with mounting brackets, batteries as recommended by manufacturer, sanitizer solution, and one bottle of refill sanitizer solution for each dispenser installed. Provide a total of 20 dispensers.

Locations to be determined during design.

10.12.12.6 Adjustable Shelves. Adjustable shelves shall be designed for heavy use (weight capacity of minimum 130 pounds per bracket under uniformly distributed weight) and shall have wall-mounted uprights at 16- apart, anchored directly into studs in the wall. Brackets shall be supplied at each upright at each shelf in numbers as required for the number of shelves and uprights shown on the drawings.

10.12.12.7 Projection Screens. Projections screens shall be standard duty, concealed, recessed ceiling type with an electric operator and a glass bead reflecting surface.

10.12.12.8 Auditorium Seating. Seating shall be floor-mounted with common upright support assemblies with upholstered seat and back cushions. The fixed back shall accommodate three pitch positions at 16°, 20°, and 24°. The back cushion is protected by an injection-molded polypropylene back shroud. The seat cushion shall be counter-balanced with a gravity lift to insure an automatic return to vertical position with the seat is unoccupied. Seat and back foam shall be 2-inch thick.

Seats shall have a one-motion tablet arms for ease of exiting. Upholstery fabric is a plain weave with a fiber content of 100% polyester or nylon treated to resist staining and soiling. Upholstery must comply with a minimum of 100,000 double rubs when submitted to the tests required by ASTM D4157.

10.13 SIGNAGE. Provide signage throughout the interior and exterior of the facility and on project site in accordance with UFC 3-120-01 (Design: Sign Standards), ABA Accessibility Standards, and Nellis & Creech AFBs IFS. Provide interior signage for overall wayfinding and life safety requirements. All interior doors shall have identifying signs and a comprehensive interior signage plan shall be provided. The interior room signs shall have the ability to change the background color behind the room name with inserts. Install exterior-rated weatherproof room name/number signs on doors to rooms that have exterior access.

10.13.1 Building Identification. On north side of monument sign (reference Civil requirements) install 7-inch high individual letters stating “365th ISR GROUP” and 5-inch high individual letters stating “526th & 547th INTELLIGENCE SQUADRONS”. On facility exterior wall, install 12-inch high individual letters stating “THREAT TRAINING FACILITY”. Anodized aluminum letters shall meet all requirements stated in Nellis & Creech AFBs IFS Section C08.1.6. On Facility exterior wall, install three (3) separate unit patches (a.k.a. emblems). Patches shall be metal, 4’-0” high, and meet all requirements stated in Nellis & Creech AFBs IFS section C08.1.7. Provide four (4) exterior building number signs stating “1771” stated in white on brown factory finished metal panel, 1’-4” wide, 8-feet