054000 Cold-Formed Metal Framing.docx
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- Solicitation number
- 36C25621R0013
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This document contains a federal contract solicitation and related technical specifications for a construction project. The solicitation is for Remodel Pharmacy for USP 800, project number 629-18-127, to remodel and build out a new segregated compounding area at the Southeast Louisiana Veterans Health Care System facility to meet new standards. The work includes supervision, labor, materials, tools and equipment for the construction. This is a 100% set-aside for Service-Disabled Veteran-Owned Small Businesses. The estimated value is between $1 million to $5 million. The solicitation was issued by the Department of Veterans Affairs Veterans Health Administration VISN 16. The technical specifications outline the required cold-formed metal framing and accessories for interior load-bearing walls and steel joists.
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Renovate Pharmacy for USP 800 05-01-16 VAMC New Orleans, LA
SECTION 05 40 00
COLD-FORMED METAL FRAMING
PART 1 GENERAL
1.1 DESCRIPTION:
| A. | This section specifies materials and services required for installation of coldformed steel, including tracks and required accessories as shown and specified. This Section includes the following: |
| 1. | Interior load-bearing steel stud walls. |
| 2. | Steel joists. |
1.2 RELATED WORK:
| A. | Non-load-bearing metal stud framing assemblies: Section 09 22 16, NON-STRUCTURAL METAL FRAMING. |
| B. | Gypsum board assemblies: Section 09 29 00, GYPSUM BOARD. |
1.3 DESIGN REQUIREMENTS:
A. Design steel in accordance with American Iron and Steel Institute Publication "Specification for the Design of ColdFormed Steel Structural Members", except as otherwise shown or specified.
| B. | Structural Performance: Engineer, fabricate and erect cold-formed metal framing with the minimum physical and structural properties indicated. |
| C. | Structural Performance: Engineer, fabricate, and erect cold-formed metal framing to withstand design loads within limits and under conditions required. |
| 1. | Design Loads: 50# live load. |
| 2. | Design framing systems to withstand design loads without deflections greater than the following: |
| b. | Interior Load-Bearing Walls: Lateral deflection of 1/240 of the wall height. |
| d. | Ceiling Joists: Vertical deflection of 1/240 of the span. |
| 3. | Design framing systems to provide for movement of framing members without damage or overstressing, sheathing failure, connection failure, undue strain on fasteners and anchors, or other detrimental effects when subject to a maximum ambient temperature change (range) of 67 degrees C (120 degrees F). |
| 4. | Design framing system to accommodate deflection of primary building structure and construction tolerances, and to maintain clearances at openings. |
| 5. | Engineering Responsibility: Engage a fabricator who assumes undivided responsibility for engineering cold-formed metal framing by employing a qualified professional engineer to prepare design calculations, shop drawings, and other structural data. |
1.4 SUBMITTALS:
| A. | Submit in accordance with Section 01 33 23, SHOP DRAWINGS, PRODUCT DATA, AND SAMPLES. |
| B. | Shop Drawings: Shop and erection drawings showing steel unit layout, connections to supporting members, and information necessary to complete installation as shown and specified. |
| C. | Manufacturer's Literature and Data: Showing steel component sections and specifying structural characteristics. |
| D. | For cold-formed metal framing indicated to comply with certain design loadings, include structural analysis data sealed and signed by the qualified professional engineer who was responsible for its preparation. |
1.5 APPLICABLE PUBLICATIONS:
| A. | Publications listed below form a part of this specification to extent referenced. Publications are referenced in text by basic designation only. |
| B. | American Iron and Steel Institute (AISI): |
| Specification and Commentary for the Design of Cold-Formed Steel Structural Members (1996) | |
| C. | American Society of Testing and Materials (ASTM): |
| A36/A36M-08 | Standard Specifications for Carbon Structural Steel |
| A123/A123M-09 | Standard Specifications for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products |
| A153/A153M-09 | Standard Specifications for Zinc Coating (Hot-Dip) on Iron and Steel Hardware |
| A307-10 | Standard Specifications for Carbon Steel Bolts and Studs |
| A653/A653M-10 | Standard Specifications for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process |
| C955 | Standard Specification for Load-Bearing (Transverse and Axial) Steel Studs, Runners (Tracks), and Bracing or Bridging for Screw Application of Gypsum Panel Products and Metal Plaster Bases |
| C1107/C1107M-08 | Standard Specifications for Packaged Dry, Hydraulic-Cement Grout (Non-shrink) |
| E488-96(R2003) | Standard Test Methods for Strength of Anchors in Concrete and Masonry Elements |
| E1190-95(R2007) | Standard Test Methods for Strength of Power-Actuated Fasteners Installed in Structural Members |
| D. | American Welding Society (AWS): |
| D1.3/D1.3M-08 | Structural Welding Code-Sheet Steel |
| E. | Military Specifications (Mil. Spec.): |
| MIL-P-21035B | Paint, High Zinc Dust Content, Galvanizing Repair |
PART 2 PRODUCTS
2.1 MATERIALS:
| A. | Sheet Steel for joists, studs and accessories 16 gage and heavier: ASTM A653, structural steel, zinc coated G90, with a yield of 340 MPa (50 ksi) minimum. |
| B. | Sheet Steel for joists, studs and accessories 18 gage and lighter: ASTM A653, structural steel, zinc coated G90, with a yield of 230 MPa (33 ksi) minimum. |
| C. | Galvanizing Repair Paint: MILP21035B. |
| D. | Nonmetallic, Non-shrink Grout: Premixed, nonmetallic, noncorrosive, nonstaining grout containing selected silica sands, Portland cement, shrinkage-compensating agents, plasticizing and water-reducing agents, complying with ASTM C1107, with fluid consistency and a 30-minute working time. |
2.2 WALL FRAMING:
A. Steel Studs: Complying with ASTM C 955. Manufacturer’s standard C-shaped steel studs of web depth indicated, with lipped flanges, and complying with the following:
1. Minimum Base-Steel Thickness(uncoated):
0.84 mm (0.0329 inch
| 2. | Flange Width: |
| (1-5/8 inches) | |
| 3. | Web: Punched or Unpunched. |
| B. | Steel Track: Manufacturer’s standard U-shaped steel track, unpunched, of web depths indicated, with straight flanges, and complying with the following: |
| 1. | Design Uncoated-Steel Thickness: Matching steel studs. |
| 2. | Flange Width: Manufacturer’s standard deep flange where indicated, standard flange elsewhere. |
2.3 JOIST FRAMING:
| A. | Steel Joists: Manufacturer’s standard C-shaped steel joists, unpunched, of web depths indicated, with lipped flanges, and complying with the following: |
| 1. | Minimum Base-Steel Thickness: 0.84 mm (0.0329 inch). |
Design Thickness: As required
| 2. | Flange Width: 41 mm (1 5/8 inches) minimum. |
| B. | Steel Joist Track: Manufacturer’s standard U-shaped steel joist track, unpunched, of web depths indicated, with straight flanges, and complying with the following: |
| 1. | Design Thickness: Matching steel joists. |
| 2. | Flange Width: 41 mm (1 5/8-inches) minimum. |
2.4 FRAMING ACCESSORIES:
| A. | Fabricate steel framing accessories of the same material and finish used for framing members, with a minimum yield strength of 230 MPa (33 ksi). |
| B. | Provide accessories of manufacturer’s standard thickness and configuration, unless otherwise indicated, as follows: |
| 1. | Supplementary framing. |
| 2. | Bracing, bridging, and solid blocking. |
| 3. | Joist hangers and end closures. |
| 4. | Reinforcement plates. |
2.5 ANCHORS, CLIPS, AND FASTENERS:
| A. | Steel Shapes and Clips: ASTM A36, zinc coated by the hot-dip process according to ASTM A123. |
| B. | Cast-in-Place Anchor Bolts and Studs: ASTM A307, Grade A, zinc coated by the hot-dip process according to ASTM A153. |
| C. | Expansion Anchors: Fabricated from corrosion-resistant materials, with capability to sustain, without failure, a load equal to 5 times the design load, as determined by testing per ASTM E488 conducted by a qualified independent testing agency. |
| D. | Power-Actuated Anchors: Fastener system of type suitable for application indicated, fabricated from corrosion-resistant materials, with capability to sustain, without failure, a load equal to 10 times the design load, as determined by testing per ASTM E1190 conducted by a qualified independent testing agency. |
| E. | Mechanical Fasteners: Corrosion-resistant coated, self-drilling, self-threading steel drill screws. Low-profile head beneath sheathing, manufacturer’s standard elsewhere. |
2.6 REQUIREMENTS:
| A. | Welding in accordance with AWS D1.3 |
| B. | Furnish members and accessories by one manufacturer only. |
PART 3 EXECUTION
3.1 FABRICATION:
| A. | Framing components may be preassembled into panels. Panels shall be square with components attached. |
| B. | Cut framing components squarely or as required for attachment. Cut framing members by sawing or shearing; do not torch cut. |
| C. | Hold members in place until fastened. |
| D. | Fasten cold-formed metal framing members by welding or screw fastening, as standard with fabricator. Wire tying of framing members is not permitted. |
| 1. | Comply with AWS requirements and procedures for welding, appearance and quality of welds, and methods used in correcting welding work. |
| 2. | Locate mechanical fasteners and install according to cold-formed metal framing manufacturer’s instructions with screw penetrating joined members by not less than 3 exposed screw threads. |
| E. | Where required, provide specified insulation in double header members and double jamb studs which will not be accessible after erection. |
3.2 ERECTION:
| A. | Handle and lift prefabricated panels in a manner as to not distort any member. |
| B. | Securely anchor tracks to supports as shown. |
| C. | At butt joints, securely anchor two pieces of track to same supporting member or buttweld or splice together. |
| D. | Plumb, align, and securely attach studs to flanges or webs of both upper and lower tracks. |
| E. | All axially loaded members shall be aligned vertically to allow for full transfer of the loads down to the foundation. Vertical alignment shall be maintained at floor/wall intersections. |
| F. | Attach bridging for studs in a manner to prevent stud rotation. Space bridging rows as required. |
| G. | Studs in one piece for their entire length, splices will not be permitted. |
| H. | Provide a load distribution member at top track where joist is not located directly over bearing stud. |
| I. | Provide joist bridging and web stiffeners at reaction points where shown. |
| J. | Provide end blocking where joist ends are not restrained from rotation. |
| K. | Provide an additional joist under parallel partitions, unless otherwise shown, when partition length exceeds onehalf joist span and when floor and roof openings interrupt one or more spanning members. |
| L. | Provide temporary bracing and leave in place until framing is permanently stabilized. |
| M. | Do not bridge building expansion joints with cold-formed metal framing. Independently frame both sides of joints. |
| N. | Fasten reinforcement plate over web penetrations that exceed size of manufacturer’s standard punched openings. |
3.3 TOLERANCES:
| A. | Vertical alignment (plumbness) of studs shall be within 1/960th of the span. |
| B. | Horizontal alignment (levelness) of walls shall be within 1/960th of their respective lengths. |
| C. | Spacing of studs shall not be more than 3 mm (1/8 inch) +/- from the designed spacing providing that the cumulative error does not exceed the requirements of the finishing materials. |
| D. | Prefabricated panels shall be not more than 3 mm (1/8 inch) +/- out of square within the length of that panel. |
3.4 FIELD REPAIR:
Touchup damaged galvanizing with galvanizing repair paint.
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