Attachment_2_-_DDRT_499_Hardstand_AreaTension_Fabric_Structures_SOW.pdf

ATTACHMENT 2

SP330015Q5007

Statement of Work For

Tension Fabric Structures 499 Hardstand Area

DLA Distribution Red River, Texas

9 June 2015

Prepared By:

DLA Installation Support for Distribution

S- Avenue; Bldg 1-2

DS-FDI

New Cumberland, PA 17070

TABLE OF CONTENTS

SECTION 1 _____________________________________________________________ 3

1.0 SCOPE. __________________________________________________________________ 3

1.1 SITE. ____________________________________________________________________ 3

1.2 CONTRACT LINE ITEMS. _________________________________________________ 3

SECTION 2 _____________________________________________________________ 5

2.0 APPLICABLE SPECIFICATIONS, STANDARDS AND CODES. ________________ 5

2.1 GOVERNMENT DOCUMENTS. ______________________________________________ 5

2.2 NON-GOVERNMENT STANDARDS AND CODES. ______________________________ 5

SECTION 3 _____________________________________________________________ 7

3.0 GENERAL REQUIREMENTS ______________________________________________ 7

3.1 GENERAL. ___________________________________________________________________ 7

TABLE 2 _____________________________________________________________________ 13

3.2 ELECTRICAL REQUIREMENTS. ___________________________________________ 14

3.3 REQUIREMENTS. __________________________________________________________ 14

3.4 INSTALLATION. ____________________________________________________________ 23

3.5 PERFORMANCE SCHEDULE. _________________________________________________ 24

SECTION 4

4.0 GENERAL INFORMATION. __________________________________________________ 24

SECTION 5

5.0 ENVIRONMENTAL COMPLIANCE. ____________________________________________ 25

SECTION 6

6.0 SECURITY REQUIREMENTS. _________________________________________________ 25

SECTION 7

7.0 GOVERNMENT-FURNISHED PROPERTY AND SERVICES. _________________________ 26

SECTION 8

8.0 CONTRACTOR POINTS OF CONTACT. _________________________________________ 26

SECTION 9

9.0 CERTIFICATION AND ACCEPTANCE. __________________________________________ 26

SECTION 1

1.0 SCOPE.

This Statement of Work (SOW) details the requirements associated with the procurement and installation of tension fabric structures for bulk covered storage of high dollar value tactical vehicle parts. DDRT requires the Contractor to provide and install three Tension Fabric Structures (TFS) resulting in approximately 24,500 gross square feet of covered storage space. DS-FDI drawing no. 15-3-1 details the in the Bldg. 499 Concrete Hardstand, the location of the TFS on the concrete pad, as well as the dimensions of the TFS and their proximity to each other. This statement of work covers the necessary services, labor, material, equipment and control components required to provide, install, test and make operable two tension fabric structures.

a. This SOW covers the design, manufacture, shipping, handling and erection of a prefabricated membrane covered structure.

b. The membrane shall be tensioned over the framework. The structure shall be rectangular in shape with vertical gable end walls. The interior of the structure below the main trusses shall be 20 ft. high clear span free of any structural support members and shall provide unobstructed floor space. No exterior purlins, guy ropes or cables shall be used for anchoring the structure.

1.1 SITE.

The Tension Fabric Structures shall be installed in the Bldg. 499 Area , DLA Distribution Red River, Texas (DDRT) located at Red River Army Depot, Texarkana, TX 75507-5000.

1.2 CONTRACT LINE ITEMS.

The Offeror shall bid the tension fabric structures with separate prices for each contract line item. The Government shall reserve the right to award each line item together or separately in order to match budget allocations with the maximum system capability. If the Government does not award all the contract lines during the initial award, the Government reserves the right to award each remaining CLIN up to 120 days from the initial contract award. CLIN number 0001 is the base bid. CLIN number 0002 is an optional line item.

The award will be based on the cost of all line items to the Contractor that is best value to the Government.

TABLE 1

CLIN No. Description Qty

0001 Site no. 1 (225 ft. long x 70 ft. wide x 20 ft. high Tension Fabric Structure)

Includes 2 overhead doors, 2 personnel doors, 2 ventilation fans and T-5 lighting

0002 Site no. 2 (125 ft. long x 70 ft. wide x 20 ft. high Tension Fabric Structure)

Includes 2 overhead doors, 2 personnel doors, 2 ventilation fans and T-5 lighting

SECTION 2

2.0 APPLICABLE SPECIFICATIONS, STANDARDS AND CODES.

The following list of specifications, standards and codes shall apply to the work covered within this document. The Offeror shall be responsible to ensure that all such applicable regulations are satisfied. Special attention shall be given to Federal, State and Local requirements. The issue in effect of the following documents on the date of the solicitation form a part of the specification to the extent specified herein:

2.1 GOVERNMENT DOCUMENTS.

2.1.1 FEDERAL SPECIFICATIONS.

NN-P-71C Pallets, Material Handling, Wood, Stringer Construction, 2-way and 4-way (partial)

W-F-408 Fittings for Conduit, Metal, Rigid (thick wall and thin wall (EMT) type

2.1.2 MILITARY SPECIFICATIONS.

MIL-D-1000 Drawings, Engineering, & Associated Lists

2.1.3 OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)

STANDARDS.

29 CFR 1910 Occupational Safety and Health Standards

2.1.4 MILITARY STANDARDS.

MIL-STD-889 Dissimilar Metals

MIL-STD-130G Identification Marking of U.S. Military Property

2.2 NON-GOVERNMENT STANDARDS AND CODES.

Standards of the National Electrical Manufacturer’s Association (NEMA)

American Welding Society Standards

Code of the American Society of Mechanical Engineers (ASME)

Standards of the American Institute of Electrical Engineers

National Electrical Code (NEC)

Underwriters Laboratories (UL), Inc. Publication Standards

American Iron and Steel Industrial Standards (AISI)

American Institute of Steel Construction (AISC)

M016-89 Manual of Steel Construction, Ninth Edition S326-78 Design, Fabrication and Erection of Structural Steel Buildings S329-85 Structural Joints Using ASTMA325 or A490 Bolts

American Iron and Steel Institute (AISI)

SG 503-76 Design of Fabrication of Cold-Formed Steel Structures

American Society for Testing and Materials (ASTM):

A36-89 Structural Steel

A 123 A-89 Standard Specification for Zinc (Hot Dip Galvanized) Coatings on Iron and Steel Products

A 307-89 Carbon Steel Bolts and Studs, 60,000 psi Tensile Strength

A 325-89 High-Strength Bolts for Structural Steel Joints

A 500 A-90 Standard Specification for Cold Formed Welded &

Seamless Carbon Steel Structural Tubing in Rounds and Shapes

A 563 Rev A-89 Carbon and Alloy Steel Nuts

A 687-89 High-Strength Non-Headed Steel Bolts and Studs

American Society of Civil Engineers (ASCE) - Minimum Design Loads for Building and

Other Structures

American Welding Society (AWS)

D1.1-92 Structural Welding Code-Steel National Fire Protection Association

(NFPA) 701-89.1 Standard methods for Flame Resistant Textiles and Films

Canadian Standards Association

CAN/CSA-S16.1 Limit States Design of Steel Structures

Unified Facilities Criteria

UFC 3-600-01 dated Feb 1, 2013

UFC 3-301-01 dated Jun 2013

SECTION 3

3.0 GENERAL REQUIREMENTS

3.1 GENERAL.

The Contractor shall supply the herein described equipment/system, which shall include all services, labor, material, equipment, control components, and engineering necessary to provide a completely operational system. All equipment (tension fabric structures) supplied shall be the manufacturer’s current, commercially designed and available or a commercial product that has been slightly modified to fit the proposed system. The commercial product must have proven, successful field application for at least two years immediately preceding the issue date of this solicitation. The field experience of each specific equipment product shall have been gained by an identical or previous model to the one being offered. The design of the specific equipment product offered must be fully defined. Also, the offeror shall identify any design changes during the two-year period of field experience. These design changes must be minor and insignificant or be demonstrated reliable through commercial application. Bid proposals shall include descriptive literature for all items of equipment offered. It is the contractor’s responsibility to notify the Contracting Officer of any design deficiencies or site requirements, which affect or compromise the performance or operation of any portion of the system or the entire system. The Contractor shall be responsible for compliance with all regulations applicable to design and testing of the structures and equipment supplied under this specification. The contractor may propose an alternate design provided that the tension fabric structures are certified to meet the structural design requirements per the SOW and UFC 3-301- 01, dated Jun 2013. Also the obtainable storage space of 24,500 SF and 20 ft. clear stack height inside the structures must be maintained . Structures longer or wider than the dimensions specified will not work and are not acceptable because of dimension constraints to meet the 60 ft. set back rule required by the UFC to meet Fire Code. In addition 165’ setback distance from Bldg. 499 must maintained of tension fabric structure no. to allow for adequate truck turnaround space.

3.1.1 QUALITY. The system shall be in strict accordance with the requirements as herein specified and of high quality, free of any defects, which may affect function, appearance, serviceability, maintainability, or durability.

3.1.2 STANDARD PRODUCTS. Unless otherwise specified, the equipment to be furnished under this specification shall be the manufacturer’s current commercial product and shall have been in production, marketed and in use for a minimum of two years preceding the issuance date of this solicitation. The introduction of product improvement changes in this two-year period shall be acceptable. Prototype or experimental devices or components shall not be furnished or installed. Where two or more units of the same type or kind of equipment are required, these units shall be identical models of a single manufacturer.

3.1.3 MATERIAL AND OPERATING CONDITIONS. Materials shall be as specified herein. Materials not specified shall be selected by the contractor and shall be subject to all provisions of the specifications. Unless otherwise specifically stated, all materials shall be new and of the most suitable grade for the intended purpose. All parts shall be manufactured to such standards that will permit replacement or adjustment without modification of system components. The system shall be capable of operating in an industrial environment and extremes of temperature from -20 to 120 degrees Fahrenheit and humidity from 10 to 99 percent relative (non condensing). The structures shall be able to withstand sustained winds up to 115 mph.

3.1.3.1 DISSIMILAR METALS. Dissimilar metals shall not be used in intimate contact with each other unless protected against galvanic corrosion. Dissimilar metals and methods of protection are defined and detailed in MIL-STD-889.

3.1.4 IDENTIFICATION OF MATERIAL AND FINISHES. The Contractor shall identify the specific material, material finish or treatment for use with components and sub-components and shall make information available, upon request, to the Contracting Officer or designated representative.

3.1.5 STANDARDIZATION OF COMPONENTS. Corresponding units and

replaceable assemblies, subassemblies and parts in contact shall be physically and functionally interchangeable as complete items without modification thereof or of other articles with which the items are used. Where dimensions, ratings and characteristics are not specified herein, the manufacturer’s published design limits shall be used to determine compliance with the foregoing.

3.1.6 STATE-OF-THE-ART COMPONENTS. The Contractor shall furnish a system embodying features, which represent the current commercially available state-of-the-art in the development of his product.

3.1.7 MAINTAINABILITY. Provisions shall be made for ready adjustment, servicing and replacement of all system components. All replaceable components shall be designed for ease of removal and ease of installation. All construction components shall be designed to permit the use of standard tools equipment for maintenance thereof. All parts with identical part numbers, shall be inter changeable without modification.

3.1.8 LUBRICATION AND ADJUSTMENT. All equipment (pertains to overhead doors and ventilation units) shall be greased, oiled or lubricated and properly adjusted by the contractor to ensure satisfactory operation.

3.1.9 PAINTING. All surfaces suitable for painting, with the exception of plated surfaces, shall be thoroughly cleaned to provide a clean, dry surface, free of all mill scale, oil, grease, dirt, rust or other inhibiting material, and shall be galvanized or painted to manufacturer’s normal factory finish with minimum one coat of base primer and one coat of enamel applied in accordance with standard commercial practices to assure complete coverage and durability of the finish. Application of the primer shall be integrated with the cleaning process and shall be applied as soon as possible after cleaning. The finish coat, when dry, shall be a smooth, even surface, free of runs, sags, blisters, chips, areas of no film or thin film or other defects. Color of the finish coat, except where specified in OSHA or other standards, shall be the manufacturer’s normal commercial color. The Contractor using paint of the same color, type, and manufacture, as the original shall touch up all factory painted surfaces that are damaged during system installation.

3.1.10 FASTENERS. Unless otherwise specified, all threaded fasteners, washers and cotter pins required to fabricate the components of the system (except those designed to be in contact with oil in reservoirs) shall be plated to resist corrosion. Fasteners shall be S.A.E. Grade No. 5 minimum, and shall be plated with a metallic corrosion resistant metal. All fasteners for similar applications shall be identical.

3.1.11 METAL FABRICATIONS. Metals used in the fabrication of components shall provide original quality surface finish and shall be free from kinks and hard bends.

Metals having corroded or pitted surfaces are not acceptable. Metal straightening or forming shall be done by methods that will not cause weakening or injury to the material. Burrs and sharp edges in holes and on sheets, plates and members shall be removed sufficiently to assure correct fits and to prevent loosening of fasteners and damage to components. Flame cutting with a tip suitable for the thickness of metal may be employed instead of shearing or sawing. Splatter and slag shall be removed and exposed cuts ground smooth. Heated metals shall be allowed to cool slowly, except in the performance of designed heat treatment and overheating shall be avoided in accordance with the recommendations of the metal manufacturer. All bends of a major character and all modular assembly fabrication shall be made with controlled means to ensure uniformity of size and shape.

3.1.11.1 WELDS. Welded joints shall be sound, thoroughly fused to the base metal, smooth, free from cracks, pits, holes, fissures, under cuts, rough projecting edges and sized to provide full strength for main members, at least 2/3 strength for secondary members and 1/3 strength for miscellaneous details.

Joint details and production methods shall be in accordance with the applicable standards of the American Welding Society.

3.1.11.2 BOLTED AND RIVETED CONNECTIONS. Holes in the sizes

recommended in standard practice shall be accurately punched, drilled or formed and shall have burrs removed. Bolts, studs and cap screws shall be provided with washers or lock washers. Self-locking nuts are acceptable in lieu of standard nuts and lock washers. All fasteners shall be correctly tightened and shall have full engagement. Rivet heads shall be full, neatly made, and concentric with rivet holes and in full contact with the surface of the member.

Excessive upsetting of rivets to fill holes is not acceptable.

3.1.12 MATERIAL TO BE HANDLED. Material to be handled consists of non-uniform loads tank track , road wheel assemblies and mixed stock. The parts shall be crated or on pallets or wood skids and shall be bulk stowed.

Sizes shall range from 40”L x 48”W x up to 60”H base size up to 20 ft. L x 10

ft. high x 10 ft. wide and weight shall range from 100 to 8000 pounds.

3.1.13 IDENTIFICATION MARKING. All equipment and major components shall have identification plates permanently attached. The information contained on the plates shall be as indicated herein and as specified in MIL-STD-130G.

Identification data shall include, as a minimum, contract number, manufacturer, serial number, model number and date of manufacture. All plates shall be securely attached with screws, bolts or rivets.

3.1.13.1 CONTROL IDENTIFICATION. Major items of electrical equipment and major components shall be permanently marked with an identification nameplate to identify the equipment by type or function and specific unit number as required by the National Electric Code (NEC). All start buttons, selection buttons, switches and control devices shall each be marked with a permanent identification label. Hand lettering or marking is not acceptable.

3.1.14 SPECIAL PROVISIONS.

3.1.14.1 INTERRUPTION OF STORAGE OPERATIONS. Storage operations shall not be curtailed nor suspended except as absolutely essential after the installation period if warranty work is required. Any required curtailment or suspension shall be coordinated with at least 5 days notice to the Government through the Contracting Officer’s Representative. Any interruption to warehouse operations greater than 15 minutes must be performed during non-duty hours (see paragraph 3.1.16.2).

3.1.14.2 WORKING HOURS. Normal working hours are 0700 - 1530 Monday through Friday excepting Federal holidays. The Contractor may be allowed, under extenuating circumstances, to perform work outside of regular hours.

Where work is desired to be performed other than during regular hours, the Contractor shall request permission from the Contracting Officer’s Representative (COR) at least 24 hours in advance to allow for the necessary arrangements to be made.

3.1.14.3 REMOVAL OF WASTE AND DEBRIS. All on-site waste and debris, old conveyor, and conduit generated in performing this contract shall be disposed of off-site at Contractor arrangement and expense. The Contractor shall comply with FAR 52-236-7. The Contractor shall maintain the work site and premises in a clean and neat condition during the installation.

3.1.15 SAFETY REQUIREMENTS.

3.1.15.1 GENERAL REQUIREMENTS.

3.1.15.1.1 These safety provisions are only general in nature and are not intended to be all-inclusive. The Contractor shall follow and will not be excused from following the safety requirements of EM 385-1-1, appropriate safety standards or other requirements established by DLA, National Electrical Code, OSHA, National Fire Code or other established safety requirements.

3.1.15.1.2 It is the responsibility of the Contractor to be aware of the safety requirements for personnel, equipment, buildings and materials. All protective coverings, shields, protective barriers, barricades, warning signs, etc., will be furnished and installed in accordance with ANSI and OSHA Standards by the contractor where a hazard or potential hazard exists. Twenty-four (24) hours prior to the planned installation of protective barriers and barricades, the contractor will coordinate with the COR for concurrence and approval. The removal of barricades and barriers will be accomplished by the Contractor at the completion of the work in the area.

3.1.15.1.3 The safety and health manager or his designated authority must approve all protective equipment. The Contractor shall notify the COR and get approval before commencing work.

3.1.15.1.4 The Contractor must comply with all OSHA Standards for the storage, handling, and application of flammable paints and liquids, combustibles and other hazardous materials. This includes the use of ventilation, personal protective equipment, and respiratory protection, monitoring for air contaminants and requirements to convey to workers the hazards associated with the operation.

3.1.15.1.5 The Contractor shall submit current material safety data sheets for all materials to be used on the project. This includes new materials selected and substitute materials.

3.1.15.1.6 The equipment and the controls, including any modifications and installation of same, shall conform to the requirements of ANSI/ASME B20.1- 1984, Safety Standards for Conveyors and Related Equipment.

3.1.15.1.7 No torch cutting or welding work of any description shall be permitted within the installation boundaries until the site of the proposed work has been inspected by the Robins Air Force Base Fire Department, and a permit has been issued. Permits must be obtained on a daily; basis by Contractor personnel visiting the Robins Air Force Base Fire department and identifying the location and type of work to be done.

3.1.15.1.8 All edges shall be beveled, ground smooth, or otherwise shaped to preclude sharp edges. Protruding parts will be designed to eliminate any hazards that could cause personal injury and will be installed only after approval by Contracting Officer or his designated Representative. The equipment and the controls, including any modifications and installation of same, shall conform to the requirements of ANSI/ASME B20.1-1984, Safety Standards for Conveyors and Related Equipment.

3.1.15.1.9 MISHAP REPORTING. A copy of the report on each job connected injury, property damage, or motor vehicle mishap will be submitted to the facilities engineer and the safety and health office. This report may be made on either a contractor’s report form, a DLA Form 1591 mishap report, or SY 91a (motor vehicle). The estimated absence in days, if any, by employee due to injury and/or cost of property or vehicle damages shall be included.

3.1.15.2 INSTALLATION SAFETY PRACTICES.

3.1.15.2.1 Personal protective equipment such as hard hats, safety glasses, safety shoes, etc., shall be worn in all areas and on all jobs as required by the safety and health office. Contractor-furnished signs shall indicate all hardhat areas.

Safety and health office personnel may inspect the work site at any time for compliance.

3.1.15.2.2 All Contractor material shall be stored in a neat and stable manner so as to preclude leaning or falling stacks. Housekeeping will be maintained at a high level at all times. The contractor will remove scrap material, such as empty cartons, wood crates, etc., at the end of each workday.

3.1.15.2.3 Smoking is prohibited except in designated areas.

3.1.15.2.4 Gasoline operated equipment used in the building will be kept to a minimum to preclude the build-up of carbon monoxide and other hazardous fumes. For welding, electric motor driven arc welders are preferred. If gasoline or diesel engine welders are used, the welder will be kept outside the with welding cables run inside, or the engine exhaust will be ducked to outside the building subject to the safety and health manager’s approval.

3.1.15.2.5 Only a one - (1) day supply of flammable, combustible, corrosive and other hazardous materials is to be kept at the job site. All other stock of hazardous materials shall be stored in accordance with applicable OSHA Standards at a location remote from the job site and approved by the Government.

3.1.15.2.6 Safety markings shall be in accordance with 29 CFR 1910.144 and 145.

Alternating green and white stripes on the floor shall designate location of safety equipment.

3.1.16 FIRE PREVENTION. The use of all fire hydrants will be controlled by this center’s fire department. No unauthorized use of fire hydrants will be permitted.

Fifteen feet clearance is required around all fire hydrants at all times. Fire aisles, building entrances and building exits will be kept clear of obstructions at all times.

A 24-inch clearance will be maintained at firewalls at all times.

3.1.16.1 FLAME CUTTING AND WELDING PROCESSES.

3.1.16.1.1 Welding, cutting or use of flame devices require prior approval of the

Fire Chief and shall be performed in accordance with ANSI Z49.1 (1975). A welding screen shall be used whenever welding is being done. The contractor shall have on duty at such times and as required by the Red River Army Depot Base Fire Chief when welding, cutting or using open flame devices, a fire watch who shall be a qualified fire fighter with not less than three years consecutive experience.

3.1.16.1.2 A crew qualified to make hot taps shall perform “Hot tapping” or other cutting or welding on a flammable gas or liquid transmission or distribution utility pipeline. For a gas pipeline, see 841-28 in “Gas Transmission and Distribution Piping Systems, “ANSI B31.8 (1968).

3.1.16.1.3 At no time will Contractor use or block installed fire equipment, valve houses, or post indicator valve unless authorized by the fire department.

3.1.17 CONTRACT DATA REQUIREMENTS. The Contractor shall furnish contract data as required in DD Form 1423, Contract Data Requirements List (CDRL), included with this specification. Contract data, outlined in Table 2, shall be prepared in accordance with this specification or data item descriptions attached thereto, and submitted in the quantities and at the times specified for approval.

TABLE 2

Sequence Title

DID ID.

Number

A001 Installation Schedule DI-S-SAT1

A002 Drawings, Engineering, and Associated List, Layout Drawings DI-E-SAT2

A003 Drawings, Engineering, and Associated List, As-Built Drawings DI-E-SAT2

A004 Commercial Manuals, Operating Manual DI-E-SAT3

A005 Commercial Manuals, Maintenance Manual DI-E-SAT3

A006 Technical Representative List DI-E-SAT11

A007 Training Material and Schedules DI-E-SAT

A008 Power Requirements DI-P-SAT1

A009 Design Data and Calculations DI-E-24040A

A010 Certificate of Compliance DI-E-SAT14

3.2 ELECTRICAL REQUIREMENTS

All electrical construction, controls and equipment shall be manufactured and installed in accordance with NFPA 70 (National Electrical Code).

3.2.1 ELECTRICAL INSTALLATION. It shall be the Contractor’s responsibility to connect all required electrical equipment from a Government supplied electrical disconnect located adjacent to the contractor supplied power distribution panel inside the tension fabric structure.

Electrical distribution/hook-up to all accessories provide by the contractor such as interior lighting, electric door operators and exhaust fans shall be the contractor’s responsibility.

Unless otherwise specifically stated, primary electrical power sources shall be 208 volt, three phase, 60 Hz. All required conduits, wire, electrical power distribution equipment including transformers, distribution panels, and other electrical hardware shall be Contractor furnished and installed. All electrical work shall be in accordance with the NEC and standards of NEMA.

Contractor installed distribution system shall have an isolated ground and surge protection adequate to protect electronic equipment and computer terminals. All Contractor installed electrical panels shall be clearly and permanently labeled to identify voltage and equipment serviced.

3.2.2 EXISTING PANEL BOARDS. All Panel Boards in which work will be performed shall be provided with new typed circuit directories and standard covers shall be installed over all circuit breaker spaces.

3.2.3 SWITCHES AND CONTROLS. Each operating system shall be furnished with a master-operating console. All stop-start buttons, switches, selection buttons, and other control devices shall be marked with a permanent-identifying label. All wires used in control circuits shall be identified at each junction or end with a wire number which corresponds to the number used in the Contractor’s electrical control drawings specified in Contract Data Requirements Lists (DD 1423), Sequence A002, of this document.

3.3 REQUIREMENTS

3.3.1 MATERIALS

The Contractor shall provide two each tension fabric structures. The tension fabric structures shall be in strict accordance with the requirements set forth in this SOW and shall be of high quality and free of any defects, which may affect function, appearance, serviceability, maintainability, or durability.

3.3.1.1 D I M E N S I O N S

The dimension of each tension fabric structure shall be as follows:

Site 1: 225 ft. long x 70 ft. wide x 20 ft. high side wall . located 165 ft. east of Building 499 Site 2: 120 ft. long x 70 ft. wide x 20 ft. high sidewall, located 60 ft. east of

Building 499 E

3.3.1.2 DESIGN REQUIREMENTS

The tension fabric structures shall consist of structural frame with the following requirements:

a. Roof and Wall Surfaces: To provide for maximum compatibility with standard door, window, ventilation and other accessory and cladding systems, the structure shall be designed such that roof and gable side wall surfaces form flat planes.

b. Purlin Spacing: To provide for structural stability and to provide for installation of accessory items, the main structural trusses shall be laterally braced by tubular purlins at intervals required by the truss design.

c. Connecting Joints: Connections between structural elements shall be designed so as to transfer the compressive and tensile forces present in a given joint. A minimum of two 5/8” diameter Grade 5 bolts shall be used at each truss chord joint. Primary axial steel, secondary purlins, and end wall frame connections shall be made with 5/8” diameter Grade 5 bolts.

d. Mechanical Equipment Interface: The main structural roof trusses shall allow for installation of electrical and mechanical equipment. Likewise, the structure shall accept penetrations through the membrane for access doors and mechanical services with minimal modification.

e. Shipping: The main structural trusses shall be two-dimensional; planar trusses which nest tightly together in order to minimize shipping and storage volume.

f. Ancillary Systems: The structure shall be designed such that it can be readily retrofitted with insulation systems and other ancillary systems such as lighting, sprinklers, ventilation, etc.

g. The structure shall be designed to provide a minimum 20-year operational use period with appropriate inspection and maintenance. The structure shall be capable of being assembled operated and dismantled in all ambient temperatures between -20°F and 120°F.

h. Corrosion Protection: All steel tube components, trusses, purlins, fastening tubes shall be hot dipped galvanized post fabrication to the standards ASTM A123.

i. Painting: Painting of steel components shall only be utilized if necessary for field repairs and shall not be employed as a factory finish. Should field repair be necessary, a zinc-rich field coat shall be used.

3.3.1.2.1 MEMBRANE CLADDING SYSTEM

a. Continuous, Weather Tight Membrane: The structures fabric membrane shall form a continuous, uninterrupted, weather tight shell over the framework. In order to provide for a good finished appearance and to insure weather tightness, the membrane shall be assembled and tensioned in a manner to eliminate wrinkles in hot and cold temperatures.

b. Base Tensioning System: The membrane cladding will be provided with a mechanical tensioning system that allows the membrane to be fully tensioned around the structure perimeter. The system will be designed such that the membrane can be tightly and neatly secured over the structural frame and such that the system has remaining range of adjustment.

c. Membrane Seal at Openings and Base: The structure supplier will provide all materials and methods necessary to fully tension and seal the membrane material around all doors, ventilation and other openings as well as around the structure perimeter below the main tensioning system. This seal shall provide a neat and finished appearance and eliminate any loose membrane cladding that could otherwise be damaged by flapping or abrasion. When a membrane base skirt is required, this shall be supplied and attached at the base perimeter to allow a reasonable seal against air and water intrusion.

d. The structure shall be translucent white clad with a 28oz (+/- 1) polyester coated PVC with an acrylic/PVDF Top coat)The structure shall be clad with a Polyester membrane manufactured by an approved and reputable supplier. The polyester membrane shall be waterproof and free from defects. All roof, walls, end walls, and connecting sections shall be weather tight. The material must be UV stabilized and flame retardant and meet the requirements of NFPA 701.

The fabric shall be covered by a 10 year warranty and have a life expectancy of more than 15 years. The cladding membrane shall be fabricated from PVC coated polyester fabric manufactured by an approved and reputable supplier.

Laminated materials are not acceptable. Polyethylene or HDPE materials are not acceptable. Other cover material manufacturers may be considered if they are able to demonstrate ten years of experience with PVC coated fabrics used on structures similar in use. The fabric shall meet National Fire Protection Association (NFPA) 701: Standard Methods of Fire Tests for Flame Propagation of Textiles and Films, 2010 Edition.

e. The membrane panels shall be fabricated using RF (radio frequency) welding.

The use of thermal welding to fabricate the membrane panels is not acceptable.

f. Overlap fabric welds shall be tiled with the upper panel on top of the lower panel.

g. The structure membrane shall not be designed to function as a structural member such that, should any damage to or penetrations of the membrane occur, the integrity of the structural framework shall not be affected.

h. The membrane shall be tensioned with load rated hardware which is plated or hot dip galvanized so at to prevent corrosion. Hardware attached to the foundation shall allow full and free rotation of the foundation connection to avoid fatigue failure of threaded assemblies.

3.3.1.2.2 FABRIC ATTACHMENT SYSTEM

a. The fabric covers shall be tensioned both vertically and horizontally to prevent wear and tear abrasion. Horizontal tension shall be maintained with 10,000 pound ratchets tensioning the main cover panels laterally to the arch trusses and mounted on centers of no more than five feet. Vertical tension shall be maintained using 10, 000 pound ratchets anchored to the foundation.

b. Multiple panel connections - The cover system shall be designed such that adjoining panels are supplied with overlap joint to allow the panels to be sealed together. Membrane shall maintain a minimum of 175 lbs./inch connection.

c. Perimeter Cover Tensioning System – The cover system will be provided with a mechanical tensioning system that allows the membrane to be fully tensioned around the perimeter of the structure. The system will be designed such that the membrane can be tightly and neatly secured over the structural frame and there shall still be a remaining range of adjustment.

d. Cover Seal at Openings and Base - The structure supplier will provide all materials and method necessary to fully tension and seal the membrane material around all doors, ventilation and other openings, as well as around the structure perimeter below the main tensioning system. This seal shall provide a neat and finished appearance and eliminate any loose membrane cladding that could otherwise be damaged by flapping or abrasion.

The membrane base skirt shall be supplied and attached as the base perimeter to allow a good seal against air water intrusion. The base system shall allow the tension fabric structures to be erected on a concrete hardstand. The contractor shall provide a base plate for the structures of sufficient size to ensure that the structures are sufficiently lagged to the concrete and that the bottom of the structure is sealed to prevent rain and moisture from going underneath the structure to prevent mold inside the structures.

e. The membrane shall not be designed to function as a structural member such that, should any damage to or penetrations of the membrane occur, the integrity of the structural framework shall not be affected.

3.3.1.3 DESIGN GUIDES/BUILDING CODES

a. The structure shall be designed in accordance with the local building codes, UFC

3-301-01 Jun 2013 and appropriate standards using methodology from ASCE 7-10 for minimum design loads. The manufacturer will submit a full structural design package to include calculations, structural, mechanical and electrical design drawings prepared by an independent third party professional engineer licensed in the state of Texas with at least 10 years of experience in fabric covered buildings, certifying that the shelters meet the requirements of local building code. This package shall be submitted to the Contracting Officer and Contracting Officer’s Representative for approval before commencing fabrication or ordering any materials.

b. The structures shall be designed to withstand 115 mph winds per UFC-3-301-01 Jun 2013. The structure shall be designed to withstand the following snow loads;

ground snow load: 5 psf.

c. The structure work shall be able to meet design requirements without regard to the tension of the fabric cover panels.

d. The structure’s cover panels shall not be designed to function as a structural or bracing panel.

e. Allowable Stress Design (ASD) shall be used for membrane stress verification the following minimum safety factors:

Wind: 4 Snow Load: 5 Pre-stress & Dead load: 8

f. The PVC attachment and tensioning system shall be designed to provide a factor of safety at design loads of a minimum of three times the design strength of the cover material.

g. The Contractor shall provide drawings and calculations acceptable to the Architect, meeting the provisions of the State Building Code. The Contractor shall bear all costs for production of drawings and associated structural calculations. Contractor shall make all revisions and corrections to those documents required for approval and shall resubmit as required to obtain approvals. Successful offeror shall make all required changes or corrections and will deliver to the COR all approved drawings and calculations.

3.3.1.4 ROOF LOADS

a. The structure shall be designed to meet the load requirements of the local codes and UFC 3-301-01 Jun 2013.

b. Snow loads; Roof snow shall be calculated in accordance with ASCE 7-10 and

UFC 3-301-01 Jun 2013 requirements or, in the event local code requirements impose higher loads, compliance with those loads is required. The structure must be designed to support the full calculated roof snow loads and in no event may it be assumed that the shelter will shed snow loads.

c. The structure shall be designed to support the snow loads as required above plus a collateral load of three psf.

3.3.1.5 WIND LOADS

a. The structure shall be capable of withstanding an external wind pressure and described 3.3.1.3 b above. The tent shall be wind load rated at 115 MPH or greater.

3.3.1.6 STEEL SYSTEM REQUIREMENTS

a. Engineer the system in conformance with applicable building regulations, BOCA, UFC, and ANSI standards.

b. All bolts, anchors, and washers used shall have a minimum Grade 5 specification and shall be zinc plated or Hot-dip galvanized.

c. Main structural components shall be steel with bolts, splices, anchors, and washers being the only exceptions considered. Include all parts needed for complete and operational system.

d. All major structural steel shall have the following structural properties:

i. Minimum yield stress: 46 KSI

ii. Minimum tensile stress: 58 KSI

e. All truss members shall be fabricated from high-strength structural steel, ASTM A500 grade B.

f. Frame design will include flat gable end walls with support columns.

g. The truss chords and webbing shall be fabricated from high strength steel. The main structure shall consist of welded open web arch truss with parallel truss chords. Sheared, flattened or distorted tubing may not be used in the trusses.

h. All steel tubing used in the structure must have the following minimum structural and mechanical properties: (ASTM A-500/A500M-07): Tension Ultimate: 55 KSI and Yield: 50 KSI.

i. All steel plates and tabs and lugs shall be fabricated from the same ASTM A-500 structural steel used for other components with a strength 0f 50/55 KSI.

j. All frame components shall be hot dip galvanized post-fabrication to ASTM-123 standards.

k. Truss spacing to be on 10’-15’ (+/-) centers. Loading requirements will determine actual spacing and shall be designed by the contractor.

l. Steel truss frame shall be designed with horizontal tensioning to ensure compression seal.

m. All welding to be done in a metal shop on clean, shot-blasted steel, before galvanizing or painting, with complete weld around joint.

n. All steel framework and welds to be coated after fabrication.

o. All welds shall be full, not crimped, for maximum truss strength

p. All cross bracing between arches shall be accomplished with the use of threaded steel bars or cable cross-bracing.

3.3.1.7 HARDWARE.

a. Bolts: Bolts subject to extreme stress and wear shall be A-325 bolts and plated / galvanized or upgraded with Sun Seal corrosion resistant. All bolts shall be installed and securely torqued so as to prevent change in tightness. Those subject to removal or adjustment shall not be swaged, peened, staked or otherwise installed.

b. Anchor bolts: shall conform to ASTM A 354, A 307 or A 687 and CAN 3-S16.1 anchor bolt projections based on no grout are as follows: Min. 2.5”; Max 3.5”.

Anchors shall be designed for use on a concrete parking lot foundation. The Contractor shall also be responsible for determining the quantity of anchors required to meet GA wind load design standards.

c. Membrane Tensioning Hardware: The fabric membrane shall be tensioned with load rated hardware which is plated/hot dip galvanized so as to prevent corrosion.

Hardware shall allow full and fee rotation at the foundation connection to avoid fatigue failure of threaded assemblies.

1) Membrane Tensioning Webbing: The membrane shall be tensioned with load-tested tie-downs.

2) Cable Assemblies: Main and wind bracing cable assemblies shall be manufactured to the required length and press swaged with metal sleeves. The cables are manufactured using preformed galvanized “aircraft” cables, sized with appropriate safety factors. Wind bracing cables shall consist of galvanized “aircraft cable” and shall be tensioned per specifications on the drawings using forged turnbuckles of a size appropriate for the cable used in each application. Cable clamps shall be dropped forged. Thimbles shall be used in each cable. Cables will be terminated at each end of each “X”. All cable terminations shall be to tabs or plates welded to arch truss chords. In no case shall the cables be terminated by passing around a frame member.

3) Other Fasteners: Non-structural fasteners such as wood screws, tek screws, etc., shall be of standard commercial quality.

4) Exterior Trim: Aluminum extrusion shall be a natural mill finish, unpainted and non-anodized to prevent scratching and chipping. The aluminum alloy used in the structure shall meet or exceed 6063-T5 and shall carry a minimum pro-rated warranty of 10 years.

d. Welding: Welding shall be employed only when specified in the original design.

e. Manufacturer: The structure fabricator shall be a reputable manufacturer:; shall operate according to a comprehensive quality system and shall provide documentary evidence as follows:

1) Provide three positive references from the fabricator of projects that required a structure of a similar size and use that have been in place for at least one year.

2) Provide references of company experience, engineering and installation capability, which meet the above experience requirements.

i. Material Delivery: The building system materials shall be delivered to the project site during normal working hours on weekdays.

Installation contractor will provide adequate workmen and equipment to promptly unload, inspect and accept material delivery.

ii. Handling: The installation contractor shall be responsible for unloading, field storage, protection and transfer to the work area of all materials and equipment required to perform the work. At no time shall materials be dropped, thrown or dragged over the transport equipment or the ground. Damage to any piece under its own or superimposed weight shall be cause for repair or replacement.

iii. Short, Damaged or Excess Materials: Installation contractor shall inspect, count and verify quantities based on the shipping documents.

3.3.1.8 PERLIN BRACING.

The arch trusses shall be braced laterally by tubular purlins at interval required by the truss design. Perlins will brace both inside and outside truss chords.

3.3.1.9 WIND AND FRAME BRACING.

The structure shall be stabilized with wind bracing cables, as required by the design criteria in order to efficiently transfer wind, snow and seismic inducted stresses to the foundation/anchoring system. Cable diameter for main wind bracing shall be a minimum of 3/8 inch and larger if so required. The bays at each end of the structure shall be designed to be “X” braced early during installation to allow for permanent stability of the frame during installation.

3.3.1.10 CONNECTING JOINTS.

Connections between structural elements shall be designed so as to transfer the compressive and tensile forces present in a given joint. A minimum of four ¾” diameter A-325 bolts shall be used for each truss chord joint. Purlins, end wall wind post and end wall horizontal bracing connections shall be made with 5/8 in. diameter A-325 bolts.

3.3.1.11 ROOF AND WALL SURFACES.

To provide for maximum compatibility with standard door, window, ventilation and other accessory and cladding systems, and the structure, the roof and walls shall be designed such that the side wall and end wall surfaces form flat planes.

3.3.1.12 MECHANICAL EQUIPMENT INTERFACE.

The building framework shall be designed to accept the installation of electrical and mechanical equipment. In addition the structure shall accept penetrations through the membrane for access doors and mechanical equipment without modification.

3.3.1.13 OVERHEAD AND PERSONNEL DOORS.

Each tension fabric structure shall be constructed with two access end panels.

Each access end panel shall include a steel overhead door, 12' wide x 12' tall.

Each overhead door shall be electrically powered to raise and lower vertically within a track and shall also have a manually operated hand winch assembly or other equivalent mechanism for back-up if power is lost. Directly beside the overhead doors personnel egress doors shall be provide which are 3 ft. wide steel doors with a panic bar and Best key locks and emergency back-up lights above the top of the doors. Personnel doors shall be primed and painted with at least one top coat of weather resistant out door paint.

3.3.1.14 LIGHTING: The contractor shall be responsible to supply lighting for the 02 Hardstand Tension Fabric Structures which shall be T5 Florescent High Output Fixtures. The following are the requirements for the lighting:

1. Contractor shall provide T5 high performance interior lighting system for the 499 Hardstand Area Tension Fabric Structures.

2. Storage of material shall be in large crates. Method of storage shall be bulk.

3. The contractor shall install new conduit to contractor supplied and installed electrical distribution panels in accordance with NEC and provide a complete turn-key installation.

4. The contractor shall provide photoelectric cells which sense vehicle traffic as it enters the rack aisles at both ends to automatically turn on the lights.

5. One light switch shall be prided adjacent to the electrical panels for each particular light zone for easy shut off of the lights.

6. Lighting shall be designed to stay on at emergency personnel walkway aisles.

7. Light level in all operating rack aisles shall be minimum 35 ft. candles.

8. Light fixture key fixtures:

• Fixtures shall be T5, 4 ft Compact Modular open highbay. High Performance, 4 lamp, modular power connection, one universal 4-lamp program start normal output ballast, 54 Watt 5000 K lamps.

• UL listed portable luminaire

• Tool-less ballast access

• Aluminum “I” frame

• Durable light weight construction

• Modular power supply

• Lamp holders – Quick connect

• Maximum wattage consumed: 241 @ 120v, 238 @ 240 v, 242 @ 347 v, 239 @

208 v, 236 @ 277 v and 240 @ 480 v

• Ballast Factor – 1.00

• Max Line amps: 2.01 @ 120 v, .99 @ 240 v, .70 @ 347v, 1.15 @ 208 v, .85 @

277 v, .50 @ 480 v

• Max Total Harmonic Distortion <10%

3.3.1.15 VENTILATION. The contractor shall supply and install two ventilation fans at one end and two sets of louvers at the opposite end of each tension fabric structure design to supply at least two air exchanges per hour to make the environment for the operator s acceptable during the extreme heat conditions experience in Texarkana Texas during the summer time. The ventilation is also required to reduce the susceptibility of the structure to mold. The designer shall assume that both overhead doors on the ends of each structure shall remain open to also alleviate extreme heat conditions in the summertime in Red River, Texas.

3.4 INSTALLATION

The Contractor shall provide all the necessary labor, tools, equipment and materials necessary to install the four each temporary storage structures resulting in a turnkey system at the Government designated location.

3.4.1 The Contractor shall install structures using sufficient asphalt suitable anchors to withstand at a minimum 1 1 5 MPH winds. The Contractor shall weld structural beams to anchor plates which shall be secured to the concrete with spiral anchors. The Contractor shall not be required to provide footings.