Part 4_PerformanceTechnicalSpecifications.pdf
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- DESIGN-BUILD VANDENBERG GATE COMPLEX
- Solicitation number
- W912WJ20R0001
About this file
This solicitation is for design-build construction services for the Vandenberg Gate Complex at Hanscom Air Force Base. The selected contractor will be required to design and construct a new access control facility to current anti-terrorism standards to replace the existing main entrance gate, which does not meet current requirements and experiences traffic congestion. The project must comply with UFC standards for general building, high performance and sustainable building, and minimum antiterrorism requirements. The new Vandenberg Gate Complex must meet current anti-terrorism and force protection standards for entry control security engineering and standoff distances. The soliciting agency is the Department of the Army Corps of Engineers Engineering District New England.
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| Amendment 0003.pdf | ||
| Amendment 0002.pdf | ||
| Amendment 0001.pdf | ||
| District Design Manual.pdf | ||
| Part2_GeneralRequirements.pdf | ||
| W912WJ20R0001_Solicitation.pdf | ||
| Cover_TOC.pdf | ||
| Part5_Attachments.pdf | ||
| Part 3_ProjectProgams-14Apr2020.pdf |
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RFP for Design-Build Vandenberg Gate Complex Hanscom Air Force Base, Massachusetts
PART 4 – PERFORMANCE TECHNICAL SPECIFICATIONS
Hanscom Air Force Base – Massachusetts
PART 4 – PERFORMANCE TECHNICAL SPECIFICATIONS A10 FOUNDATIONS
A10 FOUNDATIONS
A10 GENERAL
A10 1.1 DESIGN GUIDANCE
Provide the design and installation of foundations in accordance with the following references. The general requirements are located in Section Z10, General Performance Technical Specification.
A10 1.1.1 Government Standards
Unified Facilities Criteria (UFC)
UFC 1-200-01 Design: General Building Requirements
UFC 3-301-01 Structural Engineering
UFC 3-310-04 Seismic Design for Buildings
Unified Facilities Guide Specifications (UFGS)
UFGS Section 31 00 00 Earthwork
UFGS Section 31 23 00.00 20 Excavation and Fill
A10 1.2 GENERAL REQUIREMENTS
A10 1.2.1 Earthwork
The Designer of Record shall utilize the following UFGS Specifications for the project specification and shall submit the edited specification section as a part of the design submittal for the project:
UFGS Section 31 00 00 Earthwork
UFGS Section 31 23 00.00 20 Excavation and Fill
A10 1.2.2 Geotechnical Report
A10 1.2.2.1 Contractor-provided Geotechnical Engineer
The Contractor’s- Geotechnical Engineer is required to be experienced with soil conditions and shall be licensed in the Commonwealth of Massachusetts. The geotechnical engineer shall evaluate the RFP data, obtain and evaluate all additional data as required to support the final design and construction of the project, and prepare a Geotechnical Report.
A10 1.2.2.2 Subsurface Information
Subsurface information, included in other portions of this RFP, is included for the contractor’s information only, and is not guaranteed to fully represent all subsurface conditions. The data included in this RFP are intended for proposal preparation and preliminary design only. The
Contractor shall perform, at its expense, such subsurface exploration, investigation, testing, and analysis as his Designer of Record deems necessary for the design and construction of the proposed building and associated site development such as utilities and pavement. As a minimum, the contractor's Geotechnical Engineer shall advance 1 boring to a depth of 100 feet or refusal (whichever is deeper) and laboratory classification to support the foundation design.
Geotechnical recommendations shall also be provided for utility structures, pavement, and other structures as needed to support the site development
All work by the Contractor-provided Geotechnical Engineer at the project location, if required, shall be coordinated with the Contracting Officer’s Representative and shall not interfere with normal base operations. A minimum of two weeks prior to the Foundation Work Design submittal, provide the Contractors’ Geotechnical Report (an Adobe Acrobat PDF version on CD and two printed copies) for review and recordkeeping purposes. These copies of the Report shall become the property of the Government. Provide the Geotechnical Reports generated during construction, such as pile driving results and analysis, to the Contracting Officer’s Representative (an Adobe Acrobat PDF version and two printed copies) for recordkeeping purposes.
A10 1.2.2.3 Contractor-Provided Geotechnical Report
Submit a written Geotechnical Report based upon Contractor-provided subsurface investigation data and all additional field and laboratory testing accomplished at the discretion of the Contractor’s Geotechnical Engineer. The Geotechnical Report shall include the following:
a. The project site description, vicinity map and site map indicating the location of boring and any other sampling locations. Provide notes explaining any abbreviations or symbols used.
b. Results of all applicable field and laboratory testing, whether Government or Contractor-provided. Address existing subsurface conditions, selection and design of the foundation and floor slab, all underground constriction including utility installation and all other site-specific requirements (such as soil stabilization and slope stability).
c. Engineering analysis, discussion and recommendations.
d. Settlement analysis. Settlement shall be limited as required in EM 1110-1-1004, Settlement
Analysis.
e. Bearing Capacity Analysis.
f. Foundations selection and construction considerations (i.e., shallow, deep, ground improvement); dimensions, and installation procedures.
g. Site preparation for the proposed building (earthwork procedures and equipment), compactions requirements, building slab preparation (as applicable), soil sensitivity to weather and equipment, groundwater influence on construction, mitigation of expansive soils or liquefaction potential, dewatering requirements, and other necessary instructions.
h. Sheeting and shoring considerations, as applicable.
i. Pavement design calculations with parameters defined, actual or assumed, and recommended thicknesses and materials, for design or for proposed modifications to the RFP provided pavement design only.
j. Calculations to support conclusions and recommendations.
k. Recommendations shall be presented on a structure-by-structure basis.
The Geotechnical Report shall be signed and sealed by a registered Geotechnical Engineer.
The submitted report shall be accompanied by a cover letter identifying any recommendations of the report proposed to be adopted into the design which are interpreted by the Contractor as a change condition to the geotechnical or pavement related requirements of the RFP.
A10 1.2.2.4 Geotechnical Site Data Required in Design Drawings
The Contractor’s final design drawings shall include the Government-provided subsurface data presented in the RFP as noted below, as well as any additional boring and laboratory test result data performed by the contractor. The data provided shall include:
a. Logs of Borings and related summary of laboratory test results and groundwater observations. Provide 24-hour groundwater observations for at least 20% of the borings, but no less than one boring. Provide notes explaining any abbreviations or symbols used and describing any special site preparation requirements.
b. The locations of all boring shall be indicated on the drawings. The applicable design drawings shall be revised to reference the Contractor’s Geotechnical Reports as being the basis for design.
A10 1.3 PERFORMANCE VERIFICATION AND ACCEPTANCE TESTING
Verification of satisfactory construction and system performance shall be via Performance Verification Testing, as detailed in this section of the RFP. Provide special tests and special inspections in accordance with UFGS Section 01 45 35 Special Inspections.
A10 1.3.1 Earthwork
Perform quality assurance for earthwork in accordance with IBC Chapter 17 and UFGS Section 31 00 00 Earthwork as revised by the Contractor. If a registered Professional Engineer is required to provide inspection of excavations, installation of deep foundations, ground improvement activities, and general soil/groundwater conditions throughout construction, the Engineer shall be responsible for performing pre-construction and periodic site visits throughout construction to meet these requirements. The Engineer, with the concurrence of the contractor and the Contracting Officer’s Representative, shall update the excavation, sheeting, shoring, and dewatering plans as construction progresses to reflect actual site conditions and shall submit the updated plan and a written report (with professional stamp) as least monthly informing the Contractor and the Contracting Officer’s Representative of the status of the plan and an accounting of Contractor adherence to the plan; specifically addressing any present or potential problems. The Engineer shall be available to meet with the Contracting Officer’s Representative at any time throughout the contract duration.
A10 1.4 DESIGN SUBMITTALS
Design submittals shall be in accordance with Z10, General Performance Technical Specifications, UFGS Section 01 33 10.05 20 DESIGN SUBMITTAL PROCEDURES.
UFGS sections listed below or in the body of the text are to be used by the Designer of Record (DOR) as a part of the design submittal. The DOR shall edit these referenced UFGS sections and submit them as a part of the design submittal specification. Edit the specifications in accordance with the limitations stated in section Z10, General Performance Technical Specifications.
a. UFGS Section 31 00 00 Earthwork
b. UFGS Section 31 23 00.00 20 Excavation and Fill
A10 1.5 CONSTRUCTION SUBMITTALS
Submit construction submittals in accordance with Section Z10, General Performance Technical Specifications. In addition to the Z10 requirements, the Designer of Record (DOR) shall approve the following submittals as a minimum:
a. All structural elements necessary for construction
b. Contractor provided geotechnical report
c. Controlled fill or backfill material tests
d. Pile load testing and installation reports, if applicable
e. compacted stone columns constructed using dry bottom feed methods testing and installation reports, if applicable
f. As-Built drawings – Include a statement on the drawings indicating the method used to verify the allowable design capacity of the deep foundation elements or compacted stone columns constructed using dry bottom feed methods, as applicable
A1010 STANDARD FOUNDATIONS
A1010 1.2 TERMITE CONTROL
A1010 1.2.1 Termite Control Barrier System
Formulate and apply termiticide in accordance with the manufacturer's label directions. Provide termiticide with a label bearing evidence of registration by the U.S. Environmental Protection Agency or appropriate requirements of the host country. Apply termiticide to the soil that will be covered by or lie immediately adjacent to the building(s) and structure(s), providing a protective barrier against subterranean termites. Maintain the Pest Management Maintenance Record, DD Form 1532-1 and submit the Pest Management Report, DD Form 1532 as required. Provide applicator(s) that are licensed or certified by the Federal government or the state or the host country, as applicable.
A101001 WALL AND COLUMN FOUNDATIONS
Provide wall and column foundation as required in accordance with the recommendations in the Contractor’s Geotechnical engineering report and requirements of this Section and other portions of this RFP. Settlement shall be limited as required in EM 1110-1-1004, Settlement Analysis.
A1020 SPECIAL FOUNDATIONS
A102001 GROUND IMPROVEMENT
Improve the soils as required in accordance with the recommendations in the Contractor’s Geotechnical engineering report and requirements of this section and other portions of this RFP.
A102002 PILE FOUNDATIONS
Where piles are required, design, install, and test piles (including sheet piles, as applicable) in accordance with UFC 1-200-01, except as noted otherwise. Provide piles in accordance with the requirements of the Contractor’s Geotechnical Engineer, and the following paragraphs.
A102002 1.1 DRIVING EQUIPMENT
Install piles (including sheet piles, as applicable) to the required tip elevation and capacity with the appropriate equipment as recommended by the Contractor's Geotechnical Engineer. Pile hammer shall be of sufficient weight and energy to suitably install piles without damage.
Drive production piles with the same hammer, cap block, and cushion materials, and using the same operating conditions as test piles, including pre-auguring and spudding.
Pile driving equipment shall match the equipment assumptions on which the pile driving formulae used to determine blow counts are based.
A102002 1.2 INSTALLATION TOLERANCES
Locate the center of pile butts not more than four horizontal inches from the location indicated at cutoff elevation. Manipulation of the piles is not permitted. In addition to the stated tolerances, the clear distance between the heads of piles and the edges of pile caps shall be a minimum of five inches.
Locate top of sheet piles at cutoff elevation within 1/2 inch horizontally and 2 inches vertical of the location indicated. Manipulation of the piles is not permitted.
A variation of not more than 2 percent from the vertical for plumb piles, or not more than 4 percent from the required angle for batter piles will be permitted.
A102002 1.3 MISLOCATED AND DAMAGED PILES
Remove and replace with new piles those piles that are damaged, mislocated, or installed out of alignment tolerance or provide additional piles, installed as directed by the Contractor's Geotechnical Engineer and approved by the Contracting Officer, at no additional cost to the Government.
A102002 1.4 PILE SPACING
For cast-in-place concrete or augercast piles, provide adequate distance, as determined by the Contractor's Geotechnical/Structural Engineer, between freshly placed concrete and other pile installation operations to avoid damage to concrete.
A102002 1.5 COATED PILES
Handle treated or coated piles so as to protect the treatment or the coating. Repair damage or defects to treatment or coating.
A102003 CAISSONS
If required, provide caissons as required in accordance with the requirements of this section and other portions of this RFP.
A102004 UNDERPINNING
If required, underpin existing construction as required in accordance with the requirements of this section and other portions of this RFP.
A102005 DEWATERING
Dewater site for foundation construction as required by soil conditions and local subsurface and subsurface water, including rainfall, and considering any potential adverse impact on adjacent facilities, including settlement. Dewatering requirements and methods shall be established by the Contractor’s Geotechnical/Structural Engineer based on his subsurface exploration and investigation.
A1030 SLAB ON GRADE
A103001 STANDARD SLAB ON GRADE
If allowed by site conditions and per the Contractor’s Geotechnical engineering report, provide standard concrete slab-on-grade to meet the required loading requirements in accordance with the requirements of this Section and other portions of the RFP.
Floor slab on grade shall be designed and constructed in accordance with EM 1110-1-1904, Settlement Analysis and so that any settlement of the floor slab shall not result in harmful distortion of the floor, nor vertical misalignment of the floor with other building components (such as doorways or trenches), building utilities or with pile-supported building elements. If these above conditions cannot be met, provide a pile supported structural slab.
A103002 STRUCTURAL SLAB ON GRADE
Provide a structural slab on grade if the conditions in the above paragraph cannot be met.
A103003 TRENCHES
Trenches shall be constructed of reinforced concrete with water proof joints and seals to prevent ground water infiltration.
A103004 PITS AND BASES
Pits and bases shall be constructed of reinforced concrete with water proof joints and seals to prevent ground water infiltration.
A103090 OTHER SLAB-ON-GRADE
A103090 1.1 BLOCK OR BOARD PERIMETER INSULATION
Provide only thermal insulating materials recommended by manufacturer for perimeter insulation.
Provide one of the board or block thermal insulations listed below conforming to the following standards:
a. Cellular Glass: ASTM C 552
b. Extruded Preformed Cellular Polystyrene: ASTM C 578
The thickness of insulation and thermal resistance value shall be sufficient to meet the applicable building code and energy budget for the facility.
—End of Section--
PART 4 – PERFORMANCE TECHNICAL SPECIFICATIONS B10 SUPER STRUCTURE
B10 SUPER STRUCTURE
B10 GENERAL
B10 1.1 DESIGN GUIDANCE
Provide the design and installation in accordance with the following references. This Performance Technical Specification (PTS) adds clarification to the fundamental requirements contained in the following Government Standards. The general requirements of this PTS are located in Section Z10, General performance Technical Specification.
The Basis of Design and calculations shall be submitted. The Basis of Design shall be submitted approved prior to proceeding with the detailed design.
The structural design shall be in accordance with the UFC Standards listed below.
B10 1.1.1 Government Standards
Unified Facilities Criteria (UFC), including:
a. UFC 1-200-01 Design: General Building Requirements
b. UFC 3-101-01 Architecture
c. UFC 3-301-01 Structural Engineering
d. UFC 3-310-04 Seismic Design for Buildings
e. UFC 4-010-01 DoD Minimum Antiterrorism Standards for Buildings
f. UFC 4-023-07 Design to Resist Direct Fire Weapons Effects
B10 1.2 PERFORMANCE VERIFICATION AND ACCEPTANCE TESTING
Verification of satisfactory construction and system performance shall be via Performance Verification Testing, as detailed in this section of the RFP. Provide special tests and special inspections in accordance with UFGS Section 01 45 35 Special Inspections.
B10 1.3 DESIGN SUBMITTALS
Design submittals shall be in accordance with Z10, General Performance Technical Specifications, UFGS Section 01 33 10.05 20 Design Submittal Procedures.
B10 1.4 CONSTRUCTION SUBMITTALS
Submit construction submittals in accordance with Section Z10, General Performance Technical Specifications. In addition to the Z10 requirements, the Designer of Record (DOR) shall approve the following submittals at a minimum:
a.All structural elements necessary for construction of the superstructure
PART 4 – PERFORMANCE TECHNICAL SPECIFICATIONS B10 SUPER STRUCTURE
B1010 FLOOR CONSTRUCTION
The floor construction shall meet the requirements of this section.
B101001 STRUCTURAL FRAME
Structural frame elements may include columns, girders, beams, trusses, joists, moment frames, shear walls, and bracing. See Section B20, Exterior Enclosure, for additional requirements for exterior walls used as load-bearing walls or shear walls.
B101002 STRUCTURAL INTERIOR WALLS
Provide structural interior walls as require in accordance with the requirements of this Section and other portions of this RFP. Sec Section C10, Interior Construction, for additional requirements.
a.L oad bearing walls where required to support the roof framing.
B101003 FLOOR SLABS
Provide floor decks as required in accordance with the requirements of this Section and other portions of this RFP.
B1020 ROOF CONSTRUCTION
The roof construction may include any structural framing system meeting the requirements of this Section and other portions of this RFP.
B102001 STRUCTURAL FRAME
Structural frame elements may include columns, girders, beams, trusses, joists, moment frames, shear walls, and bracing. See Section B20, Exterior Enclosure, for additional requirements for exterior walls used as load-bearing walls or shear walls.
B102002 STRUCTURAL INTERIOR WALLS
Provide structural, load-bearing interior walls where required to support the roof framing and in accordance with the requirements of this Section and other portions of this RFP. Sec Section C10, Interior Construction, for additional requirements.
B102003 ROOF DECKS
Provide roof decks as required in accordance with the requirements of this Section and other portions of this RFP.
—End of Section—
PART 4 – PERFORMANCE TECHNICAL SPECIFICATIONS B20 EXTERIOR ENCLOSURE
B20 EXTERIOR ENCLOSURE
B20 GENERAL
B20 1.1 DESIGN GUIDANCE
Provide the design and installation in accordance with the following references. This Performance Technical Specification (PTS) adds clarification to the fundamental requirements contained in the following Government Standards. The general requirements of this PTS section are located in PTS Section Z10, General Performance Technical Specification.
Industry standards, codes, and Government standards referenced in the section text that are not found in the Unified Master Reference List (UMRL) in the Construction Criteria Base (CCB) at the Whole Building Design Guide Website , are listed below for basic designation identification. Comply with the required and advisory portions of the current edition of the referenced standard at the time of contract award.
B20 1.1.1 Industry Standards and Codes
NATIONAL LUMBER GRADES AUTHORITY (NLGA)
B20 1.1.2 Government Standards
Military Handbook 1013/1A, Design Guidance for Physical Security of Facilities
UNIFIED FACILITIES CRITERIA (UFC)
UFC 1-200-01 General Building Requirements(A reference in this PTS section to UFC 1-200-01 requires compliance with the Tri-Service Core UFCs that are listed in UFGS Section 01 33 10.05 20, which includes the following significant UFC(s):
UFC 3-101-01, Architecture)
UFC 1-200-02
High Performance and Sustainable Buildings
B20 1.2 PERFORMANCE VERIFICATION AND ACCEPTANCE TESTING
Verification of satisfactory exterior enclosure system performance must be via Performance Verification Testing, and by field inspection as detailed in this Section of the RFP. Provide special tests and special inspections in accordance with UFGS Section 01 45 00.05 20, Design and Construction Quality Control. The Contractor must pay the cost of all testing.
B20 1.2.2 Air Barrier Field Mockup Sample
Designate a portion of the project that reveals the various edge, seam, transition, and penetration conditions that the air barrier is exposed to. Determine this location with the Contracting Officer and obtain approval of the sealing methods employed on the project from the air barrier Manufacturer. Leave sample area exposed to view as long as practical to serve as a construction standard and comparison of future air barrier construction on the project. Before construction http://www.wbdg.org/ccb http://www.wbdg.org/ covers the sample area, provide detailed photographs of the air barrier details for future reference.
B20 1.2.3 Air Barrier Performance
Provide air barrier inspection on all projects and air barrier performance testing when required in RFP Part 3, section B20.
B20 1.2.3.1 Air Barrier Pre-Construction Inspection
A preconstruction testing shall be performed on field mockups. Air barrier assemblies shall comply with performance requirements indicated, as Mockup shall comply as evidenced by reports based on mockup testing by a qualified testing agency.
a. Air-Leakage-Location Testing: Mockups will be tested for evidence of air leakage according to ASTM E 1186, chamber pressurization or depressurization with smoke tracers
b. Air-Leakage-Volume Testing: Mockups will be tested for air-leakage rate according to
ASTM E 783 or ASTM E 2357.
c. Adhesion Testing: Mockups will be tested for required air-barrier adhesion to substrate according to ASTM D 4541.
B20 1.2.3.2 Air Barrier Inspection
Coordinate all subcontractors that provide part of the air barrier construction to provide an air tight barrier. Review the air barrier prior to being covered by subsequent construction to confirm that the air barrier complies with the following requirements;
a. Prior to applying an air barrier, confirm that the substrate complies with conditions required by the applied air barrier material manufacturer.
b. Air barrier must create a continuous barrier, without gaps, "fish mouths", holes, unsealed seams, or unsealed penetrations.
c. Air barrier components are compatible and capable of being permanently connected to form an air tight barrier.
d. Construction of the air barrier complies with air barrier design as indicated in the Design
Analysis and exterior enclosure barrier drawings.
e. Air barrier is installed in accordance with manufacturer's standard details available on the Air Barrier Association of America (ABAA) website named "Air Barrier Materials, Components, Assemblies & Systems" and found at the following web link;
http://www.airbarrier.org/materials/assemblies_e.php
B20 1.2.4 Thermal Envelope Performance Testing (Infrared Thermography)
Where required in RFP Part 3, provide infrared thermal testing and repair as follows (coordinate with air barrier testing):
http://www.airbarrier.org/materials/assemblies_e.php
a. Test the building envelope using Infrared Thermography technology. The thermography testing must be completed in accordance with the requirements of ASTM C1060 (latest edition) and ISO 6781. The Contracting Officer will witness the testing. Testing must occur just before the building air tightness test. Testing must also occur during the air tightness test so that areas of building air leaks are detected. If the building air tightness test is failed, thermographic testing must be repeated just before and during subsequent air tightness tests until the air tightness test is successful.
b. Thermography Test Procedures: Submit detailed test procedures indicating the test apparatus, the test methods and procedures, and the analysis methods to be employed not later than 60 days after Notice to Proceed.
c. Thermography Test Report: Provide a report. The report must include thermographs in color and a color temperature scale to define the temperature indicated by the various colors. The report must identify the high temperature reading, the outdoor air temperature, the building indoor air temperature, and the wind speed and direction. The report must note any areas of compromise in the building envelope and must note all actions required and taken to correct those areas.
d. Final Test: Final thermography test report must demonstrate the problem areas have been corrected. Submit the complete test and analysis for review and approval.
B20 1.2.5 Air Barrier Performance Testing
Provide air barrier testing and repair as follows (coordinate with infrared thermal testing):
a. Provide a testing plan as a part of the Commissioning Plan and notify the Contracting Officer 7 working days before the testing will take place. Do not test the building until verifying that the continuous air barrier is in place and installed without failures in accordance with installation instructions so that repairs to the continuous air barrier, if needed to comply with the required air leakage rate, can be done in a timely manner.
Also coordinate building access during the test with the Contracting Officer. Perform pretest inspection with all parties involved in the test and possible repairs of the building enclosure.
Record pretest conditions and utilize pictures to assist in the documentation.
b. Perform testing as described in "U.S. Army Corps of Engineers Air Leakage Test Protocol for
Building Envelopes Version3, May 11, 2012." The air leak flow rate must not exceed 0.25 CFM at 75 Pa per square foot (0.076 cmm 75 Pa per square meter) of building enclosure area including roof or ceiling, walls and floor as provided by the DOR.
Method 1: This test consists of measuring the flow rates required to establish 12 positive and 12 negative building pressures from at least 25 Pa to at least 50 Pa. At least 12 bias pressure readings must be taken across the building enclosure and averaged over 5 seconds each before and after the test. None of these readings must exceed 30% of the minimum test pressure.
Method 2: this test consists of measuring the flow rates required to establish 12 positive building pressures from at least 50 Pa to at least 75 Pa. At least 12 bias pressure readings must be taken across the building enclosure and averaged over 5 seconds each before and after the test. None of these readings must exceed 20% of the minimum test pressure.
The test results must be either pass or fail. Provide the theoretical size of the opening that leaks the same amount as the building enclosure at 75 Pa, to facilitate the search for leaks and repair of the exterior enclosure.
c. Provide infrared thermography to determine air leakage paths if facility fails to retain the required air pressure in the test above. Utilize infrared cameras with a resolution of 0.1 degree C or better.
Perform infrared thermography in accordance with ISO 6781:1983 and ASTM C1060- 90(1997). Determine air leakage pathways in accordance with ASTM E1186-03 Standard Practices for Air Leakage Site Detection in Building Envelopes and Air Barrier Systems, and perform corrective work as necessary to achieve the whole building air leakage rate specified.
Modify construction to stop identified air leakage until target 0.25 cfm/ft2 is reached. Correct air path leaks at the source of the leak, do not use sealant to close air leakage paths that are required to be opened for maintenance of the facility such as fixtures, switches cover, receptacle covers, access doors...etc.
d. Air leaks must be sealed in the following order of priority:
1. Top of the building. These include attics, roof/wall intersections, penthouse doors and walls, HVAC equipment penetrations, etc.
2. Bottom of the building. These include ground floor access doors and inspection hatches, exhaust and air intake vents, service penetrations of enclosure, crawl spaces.
3. Vertical shafts. These include gasket stairwell fire doors, fire hose cabinets and recessed toilet accessories connected to vertical shaft, vertical and horizontal utility penetrations in service rooms, elevator rooms and shafts.
4. Exterior walls. These include weatherstripping at doors and windows, intake and exhaust fans, dampers and ducts, service penetrations, and electrical receptacles.
B20 1.2.6 Window Sample Mock-Up
a. Provide mock-up of one (1) typical combination window unit to be used within the project and conduct a field mock-up test in strict compliance with AAMA 502 method A and method B.
Each opening will be tested to achieve performance of ASCE 7-02 calculated requirements (PSF or Kg/m2) for water resistance, which must not exceed .667 % of the products capable water based on AAMA 101/I.S.2. Allowable rates of air leakage for field testing must be 1.5 times applicable AAMA 101/I.S.2 rate for the Product Type and Performance Class.
b. Exhibit transition and interconnection of windows to surrounding materials such as caulking, air barrier, vapor barrier, flashing, flashing end dams, subsill, and fasteners. Obtain DOR approval of materials interconnections prior to being covered by subsequent construction.
c. Opening is to be tested under "Quality Control" testing by a designated independent testing agency.
1. Schedule mock-up installation sufficiently in advance of need to allow adequate time for cure of sealants, testing and reconstruction, if needed, without delaying the project.
2. Build mock-up of building enclosure wall in location selected by Owner and Architect.
3. Modify mock-up construction and perform additional tests as required to achieve specified minimum acceptable results. If corrections are not adequate, construct new mock-up, at written direction of Owner and Architect. Co-ordinate construction of mock-up with other involved trades.
4. Approved mock-ups may become part of completed Work if undisturbed at time of
Substantial Completion.
5. Flood test Mock-up window subsill and obtain approval of DOR prior to installing window unit.
B20 1.3 DESIGN SUBMITTALS
Design submittals must be in accordance with Z10, General Performance Technical Specifications, UFGS section 01 33 10.05 20, Design Submittal Procedures, UFC 3-101-01, Architecture and UFC 3- 301-01, Structural Engineering.
In addition, UFGS Sections listed below or in the body of the PTS text are to be used by the Designer of Record (DOR) as a part of the design submittal. If the UFGS products or systems are applicable to the project, the DOR must edit these referenced UFGS Sections and submit them as a part of the design submittal specification. Edit the specification Sections in accordance with the limitations stated in PTS section Z10, General Performance Technical Specifications.
B20 1.4 CONSTRUCTION SUBMITTALS
Submit construction submittals in accordance with PTS Section Z10, General Performance Technical Specifications. In addition to the Z10 requirements, the Designer of Record (DOR) must approve the following submittals as a minimum;
Shop drawings for reinforcing steel in masonry walls, doors, door hardware, windows, storefront, curtainwall, glazing, paint, exterior enclosure barrier systems, and visible exterior materials.
All structural elements necessary for construction.
B20 1.4.1 Manufacturer's Verification Inspection Documentation for Galvanized Steel
Manufacturer's verification inspection documentation must be submitted for all galvanized steel in accordance with ASTM A123, ASTM A 153, and ASTM A 653.
B20 1.4.2 Sustainable Construction Submittals
Submit sustainable construction submittals in accordance with UFGS 01 33 29.05 20 Sustainability Requirements for Design-Build.
B2010 EXTERIOR WALLS
Provide exterior wall construction that consists of exterior skin system of non-structural outside face elements with rain-screen back-up wall systems that include; flashing (embedded, exposed, and thru-wall), a water resistive barrier, moisture barrier/ vapor retarder (if required), air barrier, and insulation systems with interior skin system materials to provide a protective finish on the inside face of exterior walls. Provide all components necessary to for a shingled water resistive barrier to direct water that would penetrate the wall to be directed to the outside of the wall. Provide exterior enclosure components and barriers in accordance with UFC 3-101-01, Architecture.
Design all work to comply with UFC 3-101-01, Architecture, and UFC 3-301-01, Structural Engineering, and the following requirements:
a. Vapor Pressure and Hygrothermal Analysis - Perform a job specific vapor pressure and hygrothermal analysis in accordance with UFC 3-101-01, Architecture. The conclusion of the analysis must indicate if a moisture barrier/ vapor retarder is required, the appropriate locations of needed moisture barrier/ vapor retarder, and anticipated dew-point locations in the exterior enclosure during different critical times of the year.
b. Wind Loads - Provide wind load calculations for exterior cladding in accordance with UFC 1-200-01 and UFC 3-301-01 with comparative analysis of the cladding system to be provided.
c. Water Penetration - No water penetration must occur at a pressure of 8 psf (39 Kg/m2) of fixed area when tested in accordance with ASTM E 331.
d. Insulating Value – Comply with UFC 3-101-01, Architecture for the ASHRAE requirements defining the minimum insulating value of the complete wall system.
B201001 EXTERIOR CLOSURE
B201001 1.9 MANUFACTURED FACED PANELS SYSTEMS EXTERIOR WALL SIDING
B201001 1.9.1 Glass Fiber Reinforced Cementitious Panel System
General Finishing System Requirements: Siding made from fiber-cement board that does not contain asbestos fibers; complies with ASTM C 1186, Type A, Grade II; is classified as noncombustible when tested according to ASTM E 136; and has a flame-spread index of 25 or less when tested according to ASTM E 84. Provide a water resistive barrier under panel systems and install in accordance with manufacturers recommendations. Panel system must be a horizontal siding pattern. Texture: Wood grain, factory primed.
B201002 EXTERIOR WALL BACKUP CONSTRUCTION
B201002 1.1 CONCRETE UNIT MASONRY
Masonry walls must comply with ACI 530.1. Load-bearing units: ASTM C90, Non-load bearing-units: ASTM C129, Type I or II. Provide ground face units, split-faced units, or split-ribbed units for exposed exterior walls. Provide water repellent admixture to masonry units where the exterior face of the units will not receive a waterproof coating such as paint. Mortar must conform to ASTM C 270, Type S. Test mortar in accordance with ASTM C 780. Provide water repellent admixture and color additive in mortar for masonry walls that will not receive a waterproof coating such as paint. Do not use admixtures containing chlorides. Provide air entrainment, not to exceed 12 percent, in mortar.
1. Deformed Bars - ASTM A 615/A 615M, ASTM A 616/A 616M, ASTM A 617/A 617M, or
ASTM A 706/A 706M.
B201003 INSULATION AND EXTERIOR ENCLOSURE BARRIERS
Provide insulation, air barriers, water resistive barriers, and moisture barrier/ vapor retarders (if required) in the exterior enclosure to control heat loss/gain, air infiltration/diffusion, moisture infiltration/diffusion, and water infiltration. These barriers can be accomplished by insulation, liquid application, applied sheet materials, or applied membranes.
Provide insulation, air barrier and water resistive barrier on all conditioned facilities and moisture barrier/ vapor retarders when required by the exterior enclosure vapor pressure and hygrothermal analysis. These barrier materials may be installed separately or combined if different air barrier, moisture barrier/ vapor retarder, and water resistive barrier functions can be consolidated in one material.
Provide exterior enclosure barriers that are durable and designed to last the life of the facility. Seal the continuous air and water resistive barrier in a flexible manner to allow for relative movement of adjacent building enclosure components. Support exterior enclosure barriers to withstand maximum positive and negative air pressure to be placed on the building without displacement or damage and transfer the load to the structure. Permanently seal penetrations, joints, holes, and transitions to adjoining construction in air and water resistive barriers as recommended by the material manufacturer. Do not compromise exterior enclosure barrier integrity at electrical boxes, fixture supports, and fasteners with holes through the exterior enclosure barriers that allow air or water leakage. Do not expose exterior enclosure barriers or retarders to environment conditions longer than is recommended by the manufacturer.
B201003 1.1 INSULATION SYSTEMS
Vertical and horizontal polystyrene insulation conforming to ASTM C578 or rigid polyisocyanurate board wall insulating products conforming to ASTM C591 or mineral-fiber blanket insulation conforming to ASTM C 665 must be provided. Wall insulating product must have a minimum R-value to meet UFC 3-101-01 Architecture and the energy design of the facility. Seal the joints in rigid insulation within cavity/veneer walls for additional moisture and air infiltration protection.
B201003 1.1.1 Bituminous Dampproofing
Bituminous Dampproofing shall be ASTM D449, Type I or Type II bituminous dampproofing on the exterior surface of the interior wythe of masonry in a cavity wall (back-up wall for masonry veneer).
B201003 1.2 AIR BARRIER
The building air barrier is a combination of various construction materials/ components that form a continuous air barrier seal on all six sides of a building. Materials designated as a part of the air barrier must use methods recommended by the manufacturer to seal joints and intersections for consistent air-tightness. Individual materials used in the continuous air barrier must have an air permeance not to exceed 0.004 cfm/ft2 at a pressure differential of 0.3 inches water (1.56lb/ft2), (0.02 L/s. m2 at 75 Pa) when tested in accordance with ASTM E 2178. If the air barrier is to be field tested, refer to the requirements in the paragraph entitled "Air Barrier Performance Testing" of this section for entire building minimum air permeance. Air barrier installation at windows must be in accordance with ASTM E 2112.
B201003 1.2.1 Exterior Enclosure Air Barrier Materials
Refer to Air Barrier Association of America (ABAA) to identify qualified materials with the appropriate performance for the air barrier. Utilize materials from the "ABAA Evaluated Air Barrier Materials" found at the following web link;
http://www.airbarrier.org/materials/index_e.php
B201003 1.3 WATER RESISTIVE BARRIER
Provide a water resistant barrier to resist bulk water penetration and wind-driven rain that passes the exterior cladding of the facility. Provide vapor permeable water resistant barrier if the water resistive barrier function is combined with other exterior enclosure barrier functions. Integrate water resistive barriers with wall flashing to form a shingled effect and direct water down the outside surface of the water resistive barrier, away from the back-up wall assembly, and out of the wall. Comply with the requirements of ASTM E2256 for mechanical fastened building wrap materials or ICC-ES Acceptance Criteria AC38 for other materials.
B201003 1.3.1 Exterior Enclosure Water Resistive Barrier Materials
Refer to Air Barrier Association of America (ABAA) to identify qualified materials with the appropriate performance for the water resistive barrier. Utilize materials from the "ABAA Evaluated Air Barrier Materials" found at the following web link;
http://www.airbarrier.org/resistive/index_e.php
B201003 1.4 MOISTURE BARRIER/ VAPOR RETARDER
Provide a moisture barrier/ vapor retarder to slow or reduce the unintended movement of water vapor in and out of conditioned space, if required by exterior enclosure vapor pressure and hygrothermal analysis. Perform the analysis and provide a moisture barrier/ vapor retarders in accordance with UFC 3-101-01, Architecture. Choose the moisture barrier/ vapor retarder permeability as a function of climate, the characteristics of the materials that comprise the assembly, and the interior conditions. If required, install moisture barrier/ vapor retarder materials on the warm side of the building assembly insulation (in the predominate season for the facility climate). Select moisture barrier/ vapor retarders in accordance with ASTM C755.
B201007 EXTERIOR SOFFITS
Exterior soffit system assemblies must include trim and necessary accessories including high performance coatings, if required. Installation must be crisp, fit and trim with tight joinery to back-up framing. Soffits must be designed to be field assembled by lapping side edges of adjacent panels and mechanically attaching through panels to galvanized, non-load bearing framing conforming to ASTM A 653 (G60) and ASTM C 645, using concealed fasteners. Provide trim accessories of the same material and finish as the soffit material where soffit abuts other materials.
Use adequate backing material to assure snug joints and even face planes. Where soffits ventilate an attic space, or an otherwise unventilated space, provide a soffit/ridge/louver/ventilator ventilation system with air quantities complying to the IBC. For spaces intentionally not vented, provide sealed soffits to maintain the integrity of the air barrier and insulation barrier.
B201007 1.1 METAL SOFFIT PANELS
Metal soffit panels must be factory-formed and factory-finished. Use factory-applied sealant in side laps http://www.airbarrier.org/materials/index_e.php http://www.airbarrier.org/resistive/index_e.php
B201008 WALL FLASHING
Flashing shall be aluminum or stainless steel. Aluminum shall conform to ASTM B 209/B 209M,
0.40 inches (1.27 mm) thick and shall be coated to match the item flashed. Stainless steel shall conform to ASTM A 167, type 302 or 304, 2D finish, fully annealed, dead soft temper. Thickness shall be a minimum of 0.018 inches (0.4572 mm).
B201009 EXTERIOR PAINTING AND SPECIAL COATINGS
Apply coatings directly to all non-prefinished surfaces of the exterior construction. Comply with Master Painters Institute (MPI) requirements for surface degradation analysis, surface preparation, paint and coating selection, paint application restrictions for substrate materials, and paint application.
B201009 1.1 GENERAL REQUIREMENTS
Painting practices must comply with applicable federal, state and local laws enacted to insure compliance with Federal Clean Air Standards. Apply coating materials in accordance with SSPC PA 1. SSPC PA 1 methods are applicable to all substrates.
All paint materials and applications must be in accordance with the Master Painter Institute (MPI) standards for the exterior architectural surface being finished. The current MPI, "Approved Product List" which lists paint by brand, label, product name and product code as of the date of contract award, will be used to determine compliance with the submittal requirements of this specification. The Contractor may choose to use a more current MPI "Approved Product List";
however, only one list may be used for the entire contract. All coats on a particular substrate, or a paint system, must be from a single manufacturer. No variation from the MPI Approved Products List is acceptable.
Select paint systems for the project in accordance with the MPI Architectural Painting Decision Tree available on the Whole Building Design Guide. Use this interactive MPI Decision Tree website to identify applicable paint system(s) for the project. The MPI Decision Tree identifies paint systems for each interior or exterior coated surface in "Normal" or "Aggressive" environmental conditions and generally lists the applicable paint systems in descending order of performance. The paint system at the top of each substrate list generally indicates the highest performing acceptable coating system.
Choose the "Aggressive" environmental conditions in the MPI Decision Tree for exterior systems that are used in moist humid conditions, abrasive conditions, chemical exposure conditions, or within five miles proximity of the ocean or a body of water.
Comply with the following requirements when determining the appropriate paint or coating system from the MPI Decision Tree:
a. If the MPI Decision Tree does not identify all paint system applicable to the facility, utilize the MPI Architectural Painting, Exterior Systems Manual to identify other appropriate paint systems for the project. Utilize the "Premium Grade" systems and comply with all limitations stated in the MPI "Approved Product List" for each paint product. Products having an MPI VOC Range E3 must be given preferential consideration over lower VOC Ranges. Use higher performing paint systems unless the lower performing paint system can be justified based on a lifecycle cost to include surface preparation, application, disposal, environmental impact, and required recoating cycles. Only use paint products that have been tested for MPI'S "DETAILED PERFORMANCE" or "EVALUATED PERFORMANCE ". Do not use products that have only been tested for "INTENDED USE".
b. If an "Aggressive" environmental condition option is not available in the MPI Decision Tree for a certain substrate, use the "Normal" environmental condition option.
c. Refer to the Additional Exterior Paint and Coating System Requirements below for further system requirements.
Paints and coatings must comply with Master Painters Institute Green Performance Standard GPS-1-12 which is available at the following website;
http://www.specifygreen.com/EvrPerf/EnvironmentalPerformance.html . Choose paints that provide performance, are environmentally friendly, and that conform to EPA or local environmental regulations, whichever requires the lowest VOC content.
B201009 1.1.1 MPI Gloss Levels
Gloss levels must comply with the MPI system of determining gloss as defined in the Evaluation sections of the MPI Manuals. Utilize the performance characteristics of the paint gloss and sheen to categorize paint rather than manufacturers’ description of the product.
The MPI Gloss Levels are indicated by the notation G1, G2, G3, G4, G5, G6, or G7.
The MPI Decision Tree indicates a default gloss level for each paint system, however consider the appearance, anticipated conditions, and need for cleaning when establishing the final gloss level for each coated surface of the project. Comply with the following guidance in choosing the appropriate gloss level.
a. Use G2 "Velvet-like" Flat for ceilings, residential walls away from human contact and low traffic areas.
b. Use G3 "Eggshell-like" in high traffic areas for ceilings and walls, when human contact with the wall is limited, and for dark accent colors.
c. Use G5 Semigloss for walls, doors and trim for high durability and clean ability and when a surface is expected to have routine human contact.
d. Use G6 Gloss only in special situations such as for piping identification or special effects.
The MPI gloss and sheen standard values are per ASTM D523, and are as follows:
Gloss Level Number:
Gloss @ 60 Degrees:
Sheen @ 85 Degrees:
Gloss Level 1(G1)–Matte or Flat
Max.5 units
Max.10 units
Gloss Level 2(G2)–"Velvet-like" Flat Max. 10 units 10-35 units Gloss Level 3(G3)–"Eggshell-like" Max. 10-25 units 10-35 units Gloss Level 4(G4)-"Satin-like Max. 20-35 units Min. 35 units Gloss Level 5(G5)-Semi-Gloss 35-70 units
Gloss Level 6(G6)–Gloss 70-85 units Gloss Level 7(G7)–High Gloss More than 85 units http://www.specifygreen.com/EvrPerf/EnvironmentalPerformance.html
B201009 1.1.2 MPI System Designations and Table Abbreviations
The MPI coating system number description is found in either the MPI Architectural Painting Specification Manual or the Maintenance Repainting Manual and defined as an exterior system
a. EXT - MPI short-term designation for an exterior coating system on a new surface.
b. REX - the MPI short term designation for an exterior coating system used in repainting projects or over existing coating systems.
c. DSD - the MPI short-term designation for Degree of Surface Degradation as defined in the Assessment sections in the MPI Maintenance Repainting Manual. Degree of Surface Degradation designates the MPI Standard for description and appearance of existing condition of surfaces to be painted. This DSD classification is used to determine the proper surface preparation necessary for painting.
B201009 1.1.3 Surface Preparation
Comply with the "Exterior Surface Preparation" section of the MPI Architectural Painting Specification Manual or the “Exterior Surface Preparation” section of the MPI Maintenance Repainting Manual. All suggestive language such as "may" or "should" are deleted from the standard and "must" inserted in its place. Suggestive language such as "recommended" or "advisable" is deleted from the standard and "require" or "required" inserted in its place. The results of these wording substitutions change this document to required procedures. For surface preparation, determine an MPI DSD Assessment of each surface and comply with the MPI Surface Preparation Requirements relating to the assessments. Notwithstanding MPI requirements, clean exterior ferrous metal that is exposed to weather conditions (wind, precipitation, solar degradation, and humidity) to a SSPC SP 10 level (near white).
Remove dirt, splinters, loose particles, grease, oil, and other foreign matter and substances deleterious to coating performance as specified for each substrate before application…
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