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HomeMy WebLinkAboutRFQ 19-04 H-100 Hangar Building Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-1 Bid Documents May 2019 ITEM H-100 PRE-ENGINEERED HANGAR BUILDING GENERAL INFORMATION 100-1.1 The Contractor shall construct a pre-engineered metal building system designed and furnished by a reputable manufacturer to meet the minimum guidelines as set forth in this text and as indicated in the drawings. These guidelines are established by the Owner (Sebastian Municipal Airport) for purposes of obtaining a facility that has these limited amenities for their basic functionality needs and tenant requirements. Other details are to assist the Contractor and/or manufacturer with state building codes and local Authority’s Having Jurisdiction (AHJ) interpretations. These guidelines are minimum standards to which the Contractor must comply with. Other parameters not established in the contract documents are left to the Contractor/ manufacturer’s discretion, subject to applicable laws, codes, or regulations. The Contractor shall include in the work, without extra cost to the Owner, any labor, materials, services, apparatus, or drawings necessary to comply with all applicable ordinances, rules and regulations, whether or not specifically shown on drawings and/or specified. The Authority Having Jurisdiction (AHJ) may require additional components for permit approval. The responsibility for preparing the drawings to file for and obtain a building permit, including approval from local fire department, shall be the responsibility of the Contractor. This includes all design and certifications required to meet the applicable codes and the requirements set forth in the specifications. 100-1.2 The design shall conform to the code requirements of the Florida Building Code (latest version with updated amendments), the National Fire Protection Association (NFPA) 409, Standard on Aircraft Hangars, the National Electric Code (NFPA 70), NFPA 780 Standard for the Installation of Lightning Protection Systems, the Florida Accessibility Code for Building Construction, as well as all other applicable national and local laws, codes, or regulations. The minimum structural requirements of ASCE 7 (latest version with updated amendments) shall apply. The Hangar building shall be within the tolerance of dimensions shown on the plans. The location of the building shall be as shown in the plans. It will be necessary that all work meet the requirements of all regulatory agencies. 100-1.3 The hangars have been determined to qualify within the NFPA 220, Standard on Types of Building Construction, Construction Type II (000) and Florida Building Code Construction Type IIB. For the purposes of NFPA 409 and the Florida Building Code, this places the building in the Group III Aircraft Hangar category. Refer to the preliminary Code Analysis sheet G2,2 for additional information. 100-1.4 Each office and hangar bay shall be assigned a separate Airport Drive East address. Each building’s address number shall be affixed horizontally in a conspicuous place in a manner like adjacent existing Hangar buildings, subject to conformance with local Post Office and Fire Department requirements. Concurrent with the building permit application, the Contractor shall file appropriate forms with the County to appropriately address the building. Signs conforming to relevant codes shall be provided on all restroom doors indicating the applicable symbol designation (i.e. male, female, or male/female unisex). Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-2 Bid Documents May 2019 Fire department Knox-Box Model 3262 Security Key Box, installed on exterior side of wall at each office entry door and at the airside access gate, shall be include in the building pay item. 100-1.5 Any deviations from the guidelines as established by these plans and specifications shall be approved by the Engineer at the time of bidding. The owner reserves the right to reject submittals that do comply with these guidelines. Any bidder desiring the engineer’s review on a system, material, structure, hardware, manufacturer, supplier, etc. shall supply the information to the engineer within 14 days of bid opening for approval. Failure on the part of the Contractor to obtain engineer’s pre-approval shall in no way justify additional compensation for rejected items after contract award. 100-1.6 All materials and apparatus required for the work shall be new, of first-class quality, and shall be furnished, delivered, erected, connected and finished in every detail and shall be so selected and arranged as to fit properly into the building spaces. Where no specific kind or quality of material is given, a first class standard article, as approved by the Engineer, shall be furnished. All equipment and materials shall be installed with the approval of the Engineer in accordance with the recommendations of the manufacturer. This includes the performance of such tests as the manufacturer recommends. Contractor shall provide a one (1) year warranty on all materials and workmanship, unless noted otherwise. Warranty period will begin upon receipt of the certificate of occupancy. FOUNDATION AND FLOOR SLAB 100-2.1 The Contractor shall determine the design loading (wind, live, dead) that is required for County Building Department and design and provide a structure that will meet these criteria. The design for the foundation, including footing thicknesses, reinforcing schedules, concrete strength and concrete joint placement shall be performed by the Contractor. Concrete floor slab shall be as follows: a. 4” minimum thickness b. minimum 28-day compressive strength of 3500 psi c. reinforced with woven wire mesh with the following properties: 1) Size: W1.4 x W1.4 2) Spacing: 6” center-to-center spacing in each direction. d. increased depth or strength of any of the above parameters based on the Contractor’s foundation design. Design for wind load shall meet applicable building code requirements for a pre-engineered metal building system. Shop drawings indicating all column reactions and anchor bolt requirements shall be submitted for review. Foundation design details dimensions and calculations shall be signed and sealed by a licensed Florida professional engineer. Actual soil bearing capacity shall be confirmed, on site, in writing, by a Florida registered geotechnical professional engineer provided by the Contractor, prior to any foundation design submittal. Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-3 Bid Documents May 2019 100-2.2 Each hangar building floor shall be sloped toward the trench drains as shown in the plans so as to drain inward away from the doors. The floors of the utility shed, and exterior covered porch shall slope to drain away from the porch. The Contractor shall maintain the minimum foundation thickness throughout the building slab. Interior slabs shall have smooth, steel trowel finish surface. 100-2.3 Contraction joints shall be saw cut transversely between all columns and length ways between all center columns. Joints depths and dimensions shall be as determined by Contractor’s foundation designer. Provide a 6 mil polyethylene vapor barrier under the concrete on the surface of the compacted earth. Pour structural concrete within the following tolerances: - Variation from plumb: ¼” within 10’ - Variation from level in top of slab: 1/8” within 10’ ROOF 100-3.1 The building shall have a guaranteed 20 year roof which includes the roof fastening system. The roof shall be standing seam construction and of galvalume construction. Roof panels shall be 26-gauge panels full length of roof. All exterior metal surfaces shall be factory painted using Kynar 500/Hylar 5000 paint or approved equal with twenty (20) year warranty. Color to be selected by Owner from standard or custom colors. Must be able to closely match the colors used on adjacent Hangar C. Translucent panels, matching the standing seam roof, shall be used to make the skylight panels as indicated in the drawings (refer to Hangar D floor plan, sheet A1.1). 100-3.2 Thermal Insulation: Provide insulation in all roof and exterior wall cavities, non- combustible facing as defined in NFPA 220. Insulation shall be glass fiber blanket insulation with reinforced vinyl backing or equivalent. Minimum thicknesses as required to comply with FBC and other applicable energy use codes, but not less than R-11 in walls and R-19 in roofs. Do not insulate in skylight panel areas. 100-3.3 The building shall be equipped with gutters and down spouts. Gutters and downspouts shall be designed and spaced to handle, without overtopping, peak flow associated with a 4.8” per hour rainfall. Provide gutter, downspouts, splash pads / connection boots to drains, rake and eave trim, and wall to roof and roof to roof flashings required for weathertightness. WALLS AND INTERIOR CONSTRUCTION 100-4.1 The hangar building has a single Fire Area with separated ancillary spaces to meet the building restrictions of the Florida Building Code and NFPA. The ancillary areas are divided by a one-hour rated fire wall extending from the floor to the roof decking. Fire Rated wall assemblies, where required, shall be listed by Underwriters' Laboratories, Inc. All exterior metal surfaces shall be factory painted using Kynar 500/Hylar 5000 paint or approved equal with twenty (20) year warranty. Color to be selected by Owner from standard or custom colors. Must be able to closely match the colors used on adjacent Hangar C. Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-4 Bid Documents May 2019 100-4.2 In all office indicated on the plans to be conditioned, the Contractor shall provide insulation for all perimeter walls and ceilings of the conditioned Provide insulation in all roof and exterior wall cavities, non-combustible facing as defined in NFPA 220. Insulation shall be glass fiber blanket insulation with reinforced vinyl backing or equivalent. Minimum thicknesses as required to comply with IBC and other applicable energy use codes, but not less than R-11 in walls and R-19 in roofs. 100-4.3 At exterior walls, provide metal stud infill, insulation as noted above, with 5/8” gypsum board, exposed side taped and sanded ready for painting At interior walls, provide 3-5/8” metal studs to at least 6” above ceiling, braced to structure above, with 5/8” gypsum board (moisture resistant in shower room) finish exposed sides, taped and sanded ready for painting. At the wall adjoining hangar floor, provide 1-hour rated wall continuous to roof deck/panels, with 5/8” Type X gypsum board, exposed side taped and sanded ready for painting. 100-4.4 Paint all gypsum board walls and ceilings with primer and two coats latex eggshell finish. Paint all hollow metal doors and frames with two coats semi-gloss latex enamel. Paint any exposed structure with two coats semi-gloss latex enamel. Rooms exposed to weather / humidity (air compressor, electrical) to be primed with moisture /stain blocking primer (such as “Kilz”) and painted with two coats latex eggshell finish. All colors to be as selected by Owner. 100-4.5 Ceilings and finishes shall be as follows: Provide suspended grid system with 5/8” moisture resistant gypsum board, taped and sanded, ready for paint finish in the janitor and mechanical rooms. All other rooms are to have 2’ x 2’ lay-in ceiling panels, fiberglass body with textured white surface finish, installed in intermediate duty suspended tee grid. All ceilings are to be minimum of 9’-0” above the floor. 100-4.6 Floor finishes and bases shall be as follows: Provide 12” x12” VCT (vinyl composition tile) in the restroom and shower room. All other spaces to have concrete floor with clear sealer / hardener finish. Provide 4” rubber cove base in all rooms. All colors to be selected by Owner / Tenant. 100-4.7 Fire Extinguishers shall be provided as follows: Provide two wall mounted fire extinguishers in recessed wall cabinets, painted metal finish, 2A:10B/C minimum size in each of the two office areas. Provide one wall mounted fire extinguishers on wall brackets, 4A:20B/C minimum size in each hangar bay, or as required by NFPA 10 for extra hazed locations. Locate as required by authorities having jurisdiction. DOORS AND WINDOWS 100-5.1 The building shall be constructed with hangar doors, overhead roll-up doors, and personnel doors which are lockable. The locks shall be from a single manufacturer, complete with individual cylinder locks sets so that each door to a unit, regardless of the type of door, is keyed alike with other doors of that unit, with one master key compatible with Airport Standards (manufacturer / core requirements?). 100-5.2 Hangar Doors: Hangar bays shall be provided with bi-fold doors with hydro-swing type doors, as an acceptable alternate as shown on the bid form. Each hangar door, regardless of type, Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-5 Bid Documents May 2019 shall be provided with a hinged man-door as shown on the plans. The hangar door widths and heights shall be of sufficient dimension to provide a clear opening of 62’ wide and 20’ high at a minimum and 3’ wide and 6’-8” high for the included hinged man-door. The door exterior shall include cladding by metal panels and translucent wall panels as indicated in the elevations. The doors, other than the translucent area, will be insulated. A line panel shall cover the interior side of the door up to at least 7’ up from the bottom. 100-5.2 Overhead Doors: Hangar bays shall each be provided with a 12’ wide by 10’ high overhead rolling door. Doors shall be electrically operated, with a manual pull chain back-up. Slats shall be insulated, and factory paint finished inside and out. Color is to be selected by Owner from manufacturer standards. 100-5.3 Personnel Doors: All doors are to be 3’-0” x 7’-0” in size. All exterior doors and door to hangar to be hollow metal, flush, insulated doors, heavy duty grade (fire rating as required for door to hangar floor). All interior doors to be hollow metal flush heavy duty grade. All frames to be hollow metal, 16-gauge minimum thickness. Factory prime all doors and frames for field painting. Provide pre-framed 24” x 36” window light at exterior door and louver in doors to mechanical rooms and compressor room, sized as required for air return. All doors shall have heavy duty cylindrical locksets. Provide locksets with cylinder keyed to match building for the exterior door and door into hangar. Provide privacy sets on doors to restrooms and shower. Provide storeroom set on mechanical, compressor, and janitor rooms. All hinges to be stainless steel with non-removable pins. Provide closers on door to exterior and door into hangar floor. Provide floor or wall stops on doors without closers. 100-5.4 All windows to be 3’-0” x 5’-0” or 6’-0” x 5’-0” aluminum framed, horizontal sliding or fixed unit, as indicated on the elevations and plans., with insulated glass and window screens, with lock on outer sash. Insulated glass to be 5/8” minimum with low-e inner lite and gray tinted outer lite. Aluminum windows shall be factory finished, painted to match building exterior or as selected by Owner. Products may be included as part of the pre-engineered building package or by a separate supplier if minimum requirements noted here are met. 100-5.5 All doors and windows shall meet the missile impact classification and wind loads as indicated in FBC for the building location and exposure. ELECTRICAL AND COMMUNICATIONS 100-6.1 General: All material and equipment for the electrical system and the electrical portion of the mechanical systems shall bear the approval label, or shall be listed by, Underwriters' Laboratories, Inc. Electrical installation shall be in full compliance with the National Electrical Code including Article 513 “Aircraft Hangars” and NFPA 409 “Aircraft Hangars”. Each hangar bay and each office area shall receive service from a single electric meter (220-volt, three phase). Provide each office area a minimum of one (1) 200-amp, three phase panel, or as required by building codes or electrical loads, thirty (30) spaces minimum. Provide each office area a minimum of one (1) 100-amp, three phase panel, or as required by building codes or electrical loads, twenty (20) spaces minimum. Exterior lighting shall be wired to a separate house panel. Each building shall be equipped with an electrical bypass connection at the meter location for the Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-6 Bid Documents May 2019 purposes of utilizing a generator in the event of a power outage. All power service to building shall be installed underground. Contractor shall coordinate for and pay for all costs associated with electrical hook ups and service. Provide other electrical items as required by state and local building codes. 100-6.2 Exterior Lighting: Wall mounted exterior lighting shall be provided on all sides of the building and at all entry doors and hangar doors. The floodlights visible from the airside shall be aimed and shielded to avoid glare to pilots and prevent overhead light glare for approaching aircraft. LED light fixtures shall be provided in sufficient quantity to meet an average of 5 foot- candles on all adjacent taxilanes. Photometric calculations and contours shall be submitted for verification and approval. Exterior floodlights shall be controlled by a programmable timer mounted adjacent to each building’s electrical distribution panel. 100-6.3 Interior Electrical a. Each hangar bay shall be lit with nine 100 watt-equivalent LED light fixtures as shown on the plans. Each three fixtures shall be operated by a switch located at the main hangar door opening closest to the personnel door opening and 5' above the floor. Each hangar shall have duplex 110 volt receptacles for every 15 feet of wall. Light switches shall be equipped with automatic shut off through the use of audible AND motion detection systems. Duplex receptacles shall be continuously operational. The Contractor shall employ a state licensed electrical engineer for the design of the building electrical system and to render drawings suitable for permitting. b. Non-aircraft uses shall have 100-watt equivalent LED fixtures, a minimum of one (1) 4’ lay-in LED light fixture for each 100 sf of interior area. In addition, provide a wall mounted vanity light above the restroom sink, and a fan/light unit in the Janitor room. Provide one (1) interior light switch adjacent to each room’s entry door and two (2) switches in the main office /shop area. Provide exit lighting required by codes. Light switches shall be equipped with automatic shut off through the use of audible AND motion detection systems. Specific electrical devices such as hand dryers or other code-required items, where provided, shall be wired to the circuit for the unit where the device is contained. c. Light fixtures in unfinished spaces shall be wall or purlin mounted. Light fixtures in finished and insulated spaces shall be located in the drop ceiling of such spaces. d. Interior conduit, switch boxes, and receptacle boxes are permitted to be surface mounted in the hangar bays, provided all applicable codes are met. e. Provide a minimum of 15 (fifteen) duplex wall receptacles, 15 amp minimum. Provide GFCI outlets in toilet and janitor locations as required by code. Location of receptacles will be approved by Owner. 100-6.4 The hangar building, included the ancillary office spaces and equipment shed shall be fully [protected by a fire alarm system in accordance with the FBC, NEC, NFPA 13, and NFPA 409. The location of the FACP shall be coordinated with the local AHJ. Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-7 Bid Documents May 2019 100-6.5 Communications: Provide a telephone board and service entry conduits in the electrical room as indicated on sheet A1.0. Provide four (4) wall boxes with ¾” conduit stubbed out above ceiling with pull strings, and one (1) 2” conduit continuous from office shell through hangar wall and wall into electrical closet (fire rated opening) for Owner/Tenant installation of communication and /or data cabling in each office area. Provide two (2) wall boxes with ¾” conduit stubbed out above 12’-0” with pull strings in each of the three hangar bays. Locate items as directed by Owner/Tenant. Provide line connections and service required for Fire Alarm notification system as required by AHJ. GROUNDING AND SURGE PROTECTION 100-7.1 The building’s structural steel columns, steel beams, and steel rafters shall be mechanically attached in such a manner as to provide electrical conductance one to the other. One of the steel structural support columns on two (2) diametrically opposed corners of the building shall be connected to ground rod(s) of sufficient length and diameter to produce a measured earth-ground resistance of less than 25 ohms. The Contractor shall demonstrate compliance with these requirements prior to final acceptance of the project. This ground system shall be independent of, and in addition to, the grounding required by the building electrical. 100-7.2. There shall be one flush floor mounted grounding receptacle per hangar bay, governed by NFPA 409-8.7, and located in the wing area. Flush mounted grounding receptacles shall be either individual driven electrodes or electrically bonded together in a grid system in accordance with NFPA 409-8.7.2. The system shall be grounded independently of the building and electrical system grounding. 100-7.3 All electrical system components will be provided with transient voltage surge suppression (TVSS). PLUMBING AND RESTROOMS 100-8.1 The building area includes restrooms and janitor’s area. Assumed connection points for building versus site pay items for water and sewer are within 5 (five) feet of the exterior wall. Provide new fixtures, rough-ins and fittings for two tank type toilets, one wall mounted urinal, two wall mounted lavatories, and one prefabricated, floor-mounted janitor’s sink, one dual-height electric water cooler, and an electric tankless water heater in each office area. Insulate and protect all exposed water and waste lines. All piping, fixtures, and drainage shall meet the requirements of all state and local codes and any other Authorities Having Jurisdiction (AHJ). It shall be incumbent upon the Contractor to employ a state licensed MEP professional for the design of the plumbing system and to render drawings suitable for permitting. 100-8.2 Surface-Mounted Toilet Accessories: Except where otherwise indicated, fabricate units with tight seams and joints, exposed edges rolled. Hang doors or access panels with continuous stainless steel piano hinge. Provide concealed anchorage wherever possible. Keys: Provide universal keys for access to toilet accessory units requiring internal access for servicing, resupply, etc. Provide a minimum of six keys to Owner. Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-8 Bid Documents May 2019 Provide restroom with handicap compliant back and side wall grab bars, 18” x 30” wall mirror, 300 c-fold paper towel dispenser unit with integral trash receptacle, and wall mount liquid soap dispenser. For janitor room include 24” mop rack bar. Accessories to be as supplied by Bradley, Bobrick, ASI, or other commercial grade accessories manufacturers. HVAC 100-9.1 In all office spaces, the Contractor shall provide one or more HVAC system per capable of servicing all conditioned rooms in the hangar building. The system provided shall consist of an interior air handler and exterior condenser unit. A “mini-split” system will not be acceptable. Provide an electrical split system heat pump with electrical resistance back-up heater of sufficient capacity to maintain all interior spaces between 72 degrees and 78 degrees year-round. Include housekeeping pads for interior and exterior units. Provide 5-year warranty on compressor. 100-9.2 Each individual hangar space shall have operable fixed roof vents with screens spaced centrally to ventilate each hangar bay that meets the following minimum dimensions: 10' long, 12" wide throat units; three units per hangar bay. Provide mechanical ventilation as required to meet ASHRAE 62 requirements for minimum fresh air changes, assuming the hangars are operated with all doors closed. 100-9.3 Each of the three individual hangar bays shall have one high volume, low velocity ceiling fan, 12-foot diameter, BAF Powerfoil X3.0, or equivalent capacity and durability. FIRE SPRINKLER SYSTEM 100-10.1 The hangar building, included the ancillary office spaces and equipment shed shall be fully sprinklered in accordance with the FBC, NFPA 13, and NFPA 409. The location of the FDC shall be coordinated with the local AHJ. AIR COMPRESSOR AND PIPING 100-11.1 Compressor and Piping system: Provide an air compressor and piping system complete and ready for use with air driven tools. The compressor shall be located in the room shown on the West Office Plan. The system shall include three air drops in each hangar bay, located on the back of side walls as directed by Owner. The compressor shall be sized to allow for the simultaneous demand of 50% of the drops in the system. The compressor will include a dryer unit to remove humidity from the air, and a floor drain for discharge of condensed moisture. SUBMITTALS 100-12.1 Product Data: Submit manufacturer's product information, specifications and installation instructions for building components and accessories. Contractor shall submit prior to construction three (3) copies of all shop drawings showing complete details for review by Owner. Shop drawings shall be in sufficient detail to confirm compliance with all specifications. Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-9 Bid Documents May 2019 100-12.2 Calculations: Submit calculations for all elements requiring calculations to indicate compliance with applicable laws, codes, and regulations. These could include, but are not limited to foundation design, structural design, HVAC capacity, 100-12.3 Shop Drawings: Submit complete erection drawings showing anchor bolt settings, sidewall, endwall, and roof framing, transverse cross sections, covering and trim details, and accessory installation details to clearly indicate proper assembly of building components. Coordination of dimensions, deflections, frame spread, tolerances, connections, etc. shall be the responsibility of the metal building manufacturer. Purlins and frames shall support electrical, including lighting. 100-12.4 Certification: Submit with calculations and shop drawings, a written Certification prepared and signed by a Florida registered Professional Structural Engineer stating that the structural engineering design meets indicated loading requirements and codes of authorities having jurisdiction. Note: Column reactions and anchor bolt requirements are required prior to foundation construction. No moment shall be induced to the foundation by the frame. 100-12.5 Approvals: Owner/Engineer approval of shop drawings shall not replace approval required from local, state, or federal agencies. Code requirements may supersede and take precedent to approval by Owner/Engineer. 100-12.6 Close-Out: Upon completion of the project and with submission of the final pay request, Contractor shall submit the record drawings and maintenance manuals for all hangar components and systems as a part of project closeout documentation. Provide maintenance materials for paint, ceiling tile, and floor finishes equivalent to 5% of the quantity used for each material, color, or pattern for Owner’s maintenance stock. PAYMENT 100-13.1 Payment shall be made at the contract Lump Sum price. This price shall be full compensation for all engineering design, preparation of drawings, code research, AHJ coordination, permit applications, furnishing all materials and for all labor, equipment, tools, and incidentals necessary to complete the item. Provide a breakdown of the Contract Sum in sufficient detail to facilitate continued evaluation on Applications for Payment and progress reports. Payment will be made for each installation completed and accepted by the Engineer based on percent completion of the lump sum or per each lump sum value for the following items: Hangar Bldg. – Lump sum cost for the buildings and equipment as indicated on the Bid Form. The Lump Sum Price includes, but is not limited to the following: Electrical All power, lighting, and electrical ventilation at the building plus power supply and distribution to within 5 feet of the building, including exterior floodlights. Plumbing All interior lines and fixtures, sanitary line, and water supply lines and any exterior connection and relocation work. Building Grounding System All flush floor mounted receptacles, associated AWG cable, and ground rods. Hangar D Construction Sebastian Municipal Airport Pre-Engineered Hangar Building H-100-10 Bid Documents May 2019 Gutters and Downspouts Gutter and downspouts to the point of discharge or connection to storm drainage systems. END OF ITEM H-100