Section 13 34 20.docx

Modular Office Complex Building No. 365 2016005

SECTION 13 34 20

MODULAR BUILDING

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only.

AIR CONDITIONING, HEATING AND REFRIGERATION INSTITUTE (AHRI)

AHRI 101 (2002) Self Contained, Mechanically Refrigerated Drinking-Water Coolers

ASHRAE 90.1 (2013) Energy Subcode

AMERICAN SOCIETY OF MECHANICAL ENGINEERS (ASME)

ASME 112.19.2 (2013) Standard for Vitreous China Plumbing Fixtures and Hydraulic Requirements for Water Closets and Urinals

ASTM INTERNATIONAL (ASTM)

ASTM A36/A36M (2014) Standard Specification for Carbon Structural Steel

ASTM B209 (2014) Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate

ASTM E84 (2015b) Standard Test Method for Surface Burning Characteristics of Building Materials

CODE OF FEDERAL REGULATIONS (CFR)

ADA (2010) ADA Standards for Accessible Design

INTERNATIONAL CODE COUNCIL (ICC)

IBC (2015) International Building Code (New Jersey Edition)

KITCHEN CABINET MANUFACTURERS’ ASSOCIATION (KCMA)

A161.1 (2012) Performance and Construction Standard for Kitchen and Vanity Cabinets

NFPA 70 (2014) National Electric Code (NEC)

NFPA 101 (2015) Life Safety Code

PLUMBING HEATING COOLING CONTRACTORS’ ASSOCATION (PHCC)

NSPC (2015) National Standard Plumbing Code

SHEET METAL AND AIR CONDITIONING CONTRACTORS' NATIONAL ASSOCIATION (SMACNA)

SMACNA 1793 (2012) Architectural Sheet Metal Manual, 7th Edition

UNDERWRITERS LABORATORIES (UL)

UL 174 (2004; Reprint 2015) Household Electric Storage Tank Water Heaters

1.2 GENERAL REQUIREMENTS

1.2.1 General

The contractor shall design, engineer, fabricate and construct a new modular office building conforming to the requirements specified herein and indicated on the drawings.

1.2.2 Governing Codes

The modular office building shall be designed, engineered, fabricated and constructed to conform to the following codes as adopted and/or amended by the State of New Jersey:

2015 International Building Code (New Jersey Edition) (IBC) 2015 National Standard Plumbing Code (NSPC) 2014 National Electric Code (NFPA 70) (NEC) 2013 Energy Subcode (ASHRAE 90.1) 2015 International Mechanical Code (IMC)

In the case of conflicts between the governing codes and requirements specified herein or indicated on the drawings, the requirements specified herein or indicated on the drawings shall govern.

For purposes of determining applicable portions of the governing codes, the modular building shall be classified as follows:

1.2.3 Structural Performance

Design and provide modular building systems capable of withstanding the effects of the loads and stresses indicated within the limits and conditions indicated.

1.2.4 Handicapped Accessibility

Handicapped accessibility is required per the IBC and ADA standards for accessible design.

1.3 SYSTEM DESCRIPTION

Provide a complete, engineered, modular building composed of the manufacturer’s standard set of mutually dependent components and assemblies as specified herein. Structural elements and building envelope assemblies shall be capable of withstanding structural and other loads, thermally induced movement, and exposure to weather without failure or infiltration of water into the building interior. Interior construction and mechanical, plumbing, electrical and telecommunication systems shall be engineered to provide climate control, convenience, safety, and adherence to the codes, criteria and requirements specified or indicated.

Provide a one-story modular building of the size and layout indicated and with units, spans and slopes indicated. Overall building size, interior room layout, column and partition locations shall be as indicated and have been coordinated with the intended arrangement of office, conference room, work room, break area and systems furniture (cubicles) to be furnished and installed by the government within the building. Accordingly, overall building size, room layout and column and partition locations shall not be modified without prior written approval from the government.

1.3.1 Units

Each trailer unit shall be a nominal 12 feet wide by 76 feet long. All units shall be new and not previously used.

1.3.2 Roof Slope

Roof slope shall be 1/4 inch per 12 inches.

1.4 SUBMITTALS

Government approval is required for all submittals. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-02 Shop Drawings Detail drawings:

Submit plans, elevations, sections and details for foundations and modular unit construction and components SD-03 Product Data Manufacturer's catalog data SD-05 Design Data

Manufacturer's descriptive and technical literature Manufacturer's building design analysis, including calculations SD-07 Certificates

Qualification of Manufacturer Qualification of Erector SD-10 Operation and Maintenance Data Submit safety precautions, cleaning recommendations, maintenance and repair procedures, warranty information, contractor information, and spare parts and supply list for:

a. HVAC Units

b. Electric Water Heater

c. Electric Water Cooler

SD-11 Closeout Submittals

Building System Warranty

1.5 QUALITY ASSURANCE

1.5.1 Manufacturer's Qualifications

Modular building system manufacturer must have a minimum of five (5) years’ experience as a qualified manufacturer of modular building systems and accessory products.

Provide engineering services by an authorized currently licensed engineer, having a minimum of four years’ experience as an engineer knowledgeable in building design analysis, protocols and procedures for the referenced governing codes.

Provide certified engineering calculations using the products submitted for:

a. Structural Systems:

(1) Roof, wall and floor framing

(2) Foundations, including tie-downs and ground anchors

b. Mechanical Systems: Heat trace calculations

Calculations shall be based on the loads and criteria specified or indicated on the drawings.

1.5.2 Qualification of Erection Contractor

An experienced erector who has demonstrated specialized experience in erecting and installing modular buildings similar in material, design, and extent to that indicated for this Project and must be approved and certified by the modular building system manufacturer.

1.5.3 Surface-Burning Characteristics

Provide insulation material with the following surface-burning characteristics as determined by testing identical products according to ASTM E84 by a qualified testing agency. Identify products with appropriate markings of applicable testing agency showing:

Flame-Spread Index: 25 or less.

Smoke-Developed Index: 450 or less.

1.5.4 Fabrication

Fabricate and finish modular units and accessories at the factory to greatest extent possible, by manufacturer's standard procedures and processes and as necessary to fulfill indicated performance requirements. Comply with indicated dimensional and structural requirements.

Structural steel shall conform to ASTM A36 with a yield strength of 36 ksi. Aluminum and aluminum-alloy sheet and plate shall conform to ASTM B209. Sheet metal accessories shall be fabricated to comply with recommendations in SMACNA 1793 that apply to the design, dimensions, metal, and other characteristics of item indicated. Fasteners shall be concealed wherever possible. Comply with NAAMM AMP 500 for recommendations for applying and designating finishes.

1.6 SHIPPING, HANDLING AND STORAGE

1.6.1 Delivery

Package and deliver modular units, components, and other manufactured items so as not to be damaged or deformed and protected during transportation, handling and staging. The contractor shall be responsible for securing all necessary transportation permits.

1.7 PROJECT CONDITIONS

1.7.1 Weather Limitations

Proceed with installation preparation only when existing and forecasted weather conditions permit Work to proceed without damaging the building.

1.7.2 Field Measurements

1.7.2.1 Engineered Dimensions for Foundations

Comply with engineered foundation dimensions. Do not proceed without verifying field measurements. Coordinate tie-down straps and ground anchor installation to ensure that actual anchorage dimensions correspond to engineered dimensions.

1.8 COORDINATION

Coordinate blocking, tie-down straps and ground anchor installation with locations and sizes of concrete foundations and underfloor utilities (water and sanitary sewer).

Coordinate installation of plumbing fixtures and equipment, piping, supports and accessories with the utility points of connection indicated.

Coordinate installation of HVAC systems with the indicated or specified monitoring and control system.

Coordinate installation of electrical and telecommunications systems with modular unit tie-ins and distribution.

1.9 WARRANTY

1.9.1 Building System Warranty

Furnish manufacturer's standard warranty for the modular building system. The warranty period is to be no less than 1 year from the date of acceptance of the work. In addition, unless otherwise specified, provide manufacturer’s standard warranties of longer periods where typically provided by the manufacturer of the applicable building system or component. All warranties shall be issued directly to the Government. The warranties must provide that if within the warranty period, the modular building system or component shows evidence of deterioration resulting from defective materials and/or workmanship, correcting of any defects is the responsibility of the modular building system manufacturer. Repairs that become necessary because of defective materials and workmanship while the modular building system is under warranty are to be performed within 48 hours after notification, unless additional time is approved by the Contracting Officer. Failure to perform repairs within 48 hours of notification will constitute grounds for having emergency repairs performed by others and will not void the warranty.

PART 2 PRODUCTS

2.1 GENERAL

Unless otherwise specified or indicated, modular building system components and assemblies shall be composed of products of manufacturers typically used by the modular building manufacturer for the intended purpose. All colors shall be selected by the government from the applicable manufacturer’s standard offerings.

2.2 FOUNDATIONS

Engineer and provide concrete block piers and concrete footings as indicated, modified as needed to suit actual modular unit requirements and site conditions. Provide manufacturer’s standard tie-down straps and ground anchors to secure the modular building units for adequate wind resistance. Unit hitches, axles and tires shall be a removable assembly.

2.3 FLOORS

Floor construction shall consist of:

Steel main beams, cross beams and outriggers Minimum 2x6 wood joists at 16 inches on center Minimum R-19 fiberglass insulation with vapor barrier, secured to prevent sag and fallout Minimum 5/8 inch thick tongue and groove plywood subfloor or ¾ inch thick OSB (Advantech) sheathing screwed to joists Minimum ¼” thick plywood underlayment (if recommended by the finish flooring manufacturer)

Floor finishes shall consist of:

Vestibule, Communications Room, Janitor’s/Mechanical Room, Men’s Room, Women’s Room and Break Area:

4 or 6 inch high vinyl base Minimum 1/8” thick vinyl composition tile

All other areas:

4 or 6 inch high vinyl base Minimum 20 ounce commercial carpet

Exterior stairs and ramps shall be ADA compliant and be constructed of composite decking and railing material, aluminum construction or concrete with painted steel railings. All walk surfacing materials shall be slip resistant. If used, pressure treated wood is only permitted for use as structural framing and supports for exterior stairs and ramps.

2.4 ROOF/CEILING

Roof construction shall consist of:

Minimum 2x6 wood joists at 16” on center OR wood trusses at maximum 24” on center with bottom chord bracing Laminated wood or plywood ridge beams Minimum R-30 fiberglass insulation with vapor barrier, secured to prevent sag and fallout

Provide aluminum gutters and downspouts on each eave end of the building. Downspouts shall discharge to concrete splash blocks at grade.

Provide canopies over the main entry doors and exit door as indicated for weather protection. Canopy framing shall be engineered to properly withstand all indicated or specified loads. Canopy finish material shall be aluminum to match the exterior wall siding panels. Provide positive canopy roof drainage to grade via gutters and downspouts with concrete splash blocks. Drainage shall be directed away from personnel entry and exit paths.

Ceiling shall be 2x2 or 2x4 suspended acoustical tile lay-in ceiling with one inch wide grid. Ceiling height shall be 8 feet above finish floor.

2.5 EXTERIOR WALLS AND WINDOWS

Exterior wall construction shall consist of:

Minimum .019 inch thick textured aluminum siding panels Building wrap (DuPont Commercial Wrap Tyvek or equal) Minimum 7/16 inch thick OSB or equivalent structural sheathing Minimum 2x4 wood joists at 16” on center Minimum R-15 kraft faced fiberglass insulation Minimum ½ inch thick vinyl covered gypsum board

Provide minimum .019 inch thick aluminum skirting around entire perimeter of the building. Skirting shall include a minimum of four removable access panels (minimum 18 inch by 24 inch each) for underfloor maintenance purposes and vents with insect screens sized and spaced in accordance with the requirements of the IBC.

Exterior windows shall consist of:

Nominal 4-0w x 4’-0h aluminum or vinyl framed, single hung, lockable, vertical sliding with insect screen Low E double pane insulated glass 1” aluminum or vinyl mini-blinds at each window

2.6 INTERIOR PARTITIONS

Interior partition construction shall consist of the following:

2.7 DOORS

Exterior Doors shall consist of:

Main Entry Doors –

Pair of 3’-0x 6’-8 insulated commercial, heavy duty hollow metal doors with steel frame, half glass with Low E insulated safety glazing (tempered glass panes)

Hardware:

Lever handle with keyed lock cylinder (BEST, 7 pin tumbler, A2 with N keyway) (Cylinder locks and unlocks outside handle)(2 ea) Closers (2 ea) Kickplates (2 ea) Threshold Gasketing (head, jambs and meeting stile) Door sweep

Vestibule Doors –

Pair of 3’-0x 6’-8 insulated commercial hollow metal doors with steel frame, half glass with Low E insulated safety glazing (tempered glass panes)

Hardware:

Closers (2 ea) Kickplates (2 ea) Gasketing (head, jambs and meeting stile)

Exit Door –

3’-0x 6’-8 insulated commercial hollow metal door with steel frame, half glass with Low E insulated safety glazing (tempered glass panes)

Hardware:

Heavy duty ball bearing hinges w/ non-removable pins (3 ea) Exit device with concealed vertical rods (1 ea) Lever handle with keyed lock cylinder (BEST, 7 pin tumbler, A2 with N keyway) (Cylinder locks and unlocks outside handle)(1 ea) Closer (1 ea) Kickplate (1 ea) Threshold Gasketing (head and jambs) Door sweep

Interior Doors shall consist of:

3’-0 x 6’-8 solid core wood doors, stain finish, with painted wood or steel frames and trim. Doors at toilet rooms shall be undercut one inch.

Hardware:

Conference room, workroom and offices:

Ball bearing hinges (3 ea) Lockset (BEST 9K37R15DS3626) Kickplate Door bumper

Communications and Janitor/Mechanical rooms:

Ball bearing hinges (3 ea) Lockset (BEST 9K37D15DS3626) Closer Kickplate Door bumper

Toilet Rooms:

Note: Provide fully compatible cylinders with products of the Best Lock Corporation with interchangeable cores which are removable by a special control key. Factory set the cores with seven pin tumblers using the A2 system and N keyway.

2.8 INTERIOR FITTINGS AND SPECIALTIES

2.8.1 Cabinets and countertops

Provide break area base cabinetry as indicated. Cabinets shall conform to KCMA A161.1 and shall be either wood finished or faced with high pressure decorative laminate with a satin finish. All cabinetry shall be ADA compliant.

Break area and lavatory countertops shall consist of a particleboard core faced with high pressure decorative laminate with a satin finish. All countertops shall be 24 inches deep and mounted at 34” above the finish floor for ADA compliance. Provide 4 inch high, high pressure decorative laminate finished backsplashes at all locations where countertops abut back or side partitions.

2.8.2 Toilet Compartments and Urinal Screens

Provide prefinished, enameled steel, floor mounted and overhead braced toilet partitions around each toilet as indicated. Toilet partitions shall include a coat hook in each compartment.

2.8.3 Toilet Room Accessories

Provide the following toilet room accessories:

Double roll toilet paper holder (one at each toilet) Combination paper towel (C-Fold towel) dispenser/disposal (one at each toilet room and one in the break area) Liquid soap dispenser (one at each lavatory in each toilet room and one in the break area) Minimum 18 inch wide by 30 inch high framed mirror (one at each lavatory in each toilet room) Stainless steel grab bars (at each ADA toilet in each toilet room and at urinal in men’s room)

2.8.4 Portable Fire extinguishers

Provide wall mounted Type 2-A portable fire extinguishers conforming to NFPA 10. Portable fire extinguishers shall be located in accordance with NFPA 101, with at least one extinguisher located at each exterior entry and exit door, and at least one extinguisher located in the break area. Travel distance to the nearest extinguisher shall not exceed 75 feet.

Note: All furniture and signage will be furnished and installed by the government.

2.9 PLUMBING

2.9.1 Plumbing Fixtures

Plumbing fixtures shall comply with ASME 112.19.2. Provide the following plumbing fixtures in the quantities indicated or specified:

Floor mounted, flush valve, siphon jet, elongated bowl, open front seat vitreous china toilets, maximum 1.6 gallons per flush (including one ADA toilet in each toilet room)

Wall mounted, flush valve, siphon jet vitreous china urinal, maximum 1.0 gallons per flush (ADA compliant)

Countertop mounted, vitreous china lavatories, approximately 19 inches wide by 17 inches deep, all with ADA compliant single lever control faucets with a maximum flow rate of 0.5 gallons per minute.

Break area stainless steel sink with ADA compliant single lever faucet with a maximum flow rate of 2.2 gallons per minute.

Mop basin (in janitor’s room) with faucet

2.9.2 Plumbing Equipment

Provide one ADA compliant, wall mounted electric water cooler conforming to AHRI 1010.

Provide one 40 gallon capacity electric water heater conforming to UL 174.

2.9.3 Piping

All water supply, drainage, waste and vent piping materials and installation shall conform to the NSPC. Insulate all underfloor supply and waste piping as indicated to an insulating value or R-6. Shut off valves shall be provided on the supply lines for each plumbing fixture, the electric water cooler and the electric hot water heater, except for faucets, flush valves and control valves which are equipped with integral stops.

2.9.3.1 Electric Heat Tracing

All exterior piping, including back flow preventer, water meter, domestic piping and sanitary piping shall be heat traced using only self-regulating heat trace as manufactured by Raychem or equal. Control of heat trace shall be “Digi-Trace” by Raychem or equal with self-test controls and ambient sensing thermostat. Follow manufacturer’s recommended installation instructions. Provide heater sizing calculations. Mount panel in janitors closet, 4’-6” AFF, adjacent to water heater.

2.10 Heating, Ventilation and Air Conditioning (HVAC)

2.10.1 HVAC Units

One wall hung, 36,000 Btuh, 15 kW air conditioner with electric heat unit shall be provided for each trailer unit.

One manual changeover thermostat shall be provided for each trailer unit. Thermostat locations shall be staggered to provide uniform temperature throughout the building.

2.10.1.1 Thru-the-wall A/C Unit.

Provide an A/C unit for the telecommunications room. Unit shall be 10,000 BTU, Energy Star rated, 230V, capable of 2.8 pints per hour dehumidification, Airflow of 275 CFM, R-410A refrigerant and a five year warranty. Include a “Thru the Wall Sleeve (p/n EA108T). As manufactured by Frigidaire Model# FFTA1033S2 or equal.

2.10.1.2 Building Automation System

Each HVAC unit shall be provided with a unit start/stop control and discharge air temp sensor. The entire space shall be provided with four equally spaced space temperature sensors. All monitoring points shall be viewable and editable from the central and remote locations. The system shall be tied-in to the existing base wide automation system. The system shall be as manufactured by Andover Controls and compatible with the existing base wide system. Contact Tri-M Group Kennett Square, PA (610) 444-1002. Refer to Contract Drawings and Specifications 23 09 23 and 23 09 24.

2.10.1 Duct Work

Ducts shall be fiberglass board with adjustable ceiling diffusers and ceiling returns.

2.10.3 Exhaust Fans

Provide exhaust fans in locations indicated on the drawings.

2.11 Electrical Systems

See Electrical apecifications and drawings for requirements.

2.12 Telecommunications Systems

See Telecommunications specifications and drawings for requirements.

PART 3 EXECUTION

3.1 EXAMINATION

Before erection proceeds examine the foundation dimensions for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.

Examine roughing-in for utility services and systems to verify that actual locations for penetrations coordinate with modular unit connections.

3.2 SET UP AND TIE-IN OF MODULAR UNITS

Set-up and tie-in modular building units according to manufacturer's written erection instructions, approved shop drawings and other erection documents.

Set modular units accurately in locations and to elevations indicated. Align modular units before making permanent tie-ins and utility connections. Perform necessary adjustments and alignment to compensate for changes or discrepancies in elevations. Install tie-down straps and ground anchors to secure the modular building units for adequate wind resistance. Detach unit hitches, axles and tires and store under the building.

Install perimeter skirting, entry/exit steps and ramps.

3.3 FIELD FINISHING AND INSTALLATION

Field seam unit to unit roofing, siding, walls, floors and other components to visually form a cohesive single structure. Install ceilings, gutters, downspouts, canopies, fittings, accessories and other items not installed in the factory. Complete plumbing, HVAC, electrical and telecommunications systems installations as indicated or specified.

--End of Section -- SECTION 13 34 20 Page 1