Standard Specifications for WedgCor, Inc.
COMMERCIAL METAL BUILDING SYSTEMS

 INDEX 

Section  1:...General 

Section  2:...Structural Design 

Section  3:...Basic Material Specifications 

Section  4:...Structural 

Section  5:...Roof and Wall Covering 

Section  6:...Miscellaneous Material Specifications 

Section  7:...Accessories 

Section  8:...Erection 

Section  9:...Anchorage and Foundations


 

SECTION 1: GENERAL

1.1. SCOPE
      1.1.1. These specifications cover the materials and the fabrication of building materials manufactured by WedgCor, Inc. which shall be designed and erected in accordance with these specifications and accompanying drawings supplied with building materials. Erection by others.
      1.1.2. The material furnished shall include the structural framing, roof panels, wall panels, bracing, fasteners, sealants, flashing and all other parts for a complete building system (except anchor bolts and all items embedded in the concrete.) Overhead doors, insulation, etc.... are not considered part of the building system and should be supplied by others.

1.2. BUILDING DESCRIPTION (CIB models)
      1.2.1. Rigid Frame, clear span is a continuous transverse frame building with a roof slope of 1:12 or 3:12 (specify which).
      1.2.2. Straight Column, clear span is a continuous transverse frame building with a roof slope of 1:12 consisting of tapered beams (rafters) on straight columns.
      1.2.3. Multi-Span, Rigid Frame is a continuous transverse frame building with a roof slope of 1:12 consisting of tapered columns and rafters and one or more interior pipe or built up columns.
      1.2.4. Single Slope, Rigid Frame is continuous transverse frame building with a roof that slopes in one direction. Can be clear span or multi-span.
      1.2.5. Lean-to is a building extension with a roof that slopes in one direction, getting support from the structure to which it attaches. Main structure must be designed to handle extra load of lean-to.

1.3. BUILDING TERMINOLOGY
      1.3.1. Building width is measured from outside to outside of by-pass or flush mounted girts.       1.3.2. Building eave height is a nominal dimension measured from bottom of the column base plate to the intersection of the roof and sidewall sheets at the eave strut.
      1.3.3. Building length is measured from outside to outside of end walls of by-pass or flush mounted girts.
      1.3.4. Main frames shall be spaced at 25' or 20' 0.C. (specify which). Mixed bays and other non-standard bay spacing available by special request to meet special construction or design conditions.
      1.3.5. Roof pitch shall be 1" rise to 12" horizontal run as standard. Per special request, buildings will be designed for any reasonable roof pitch.

1.4. DRAWINGS AND CERTIFICATION
      1.4.l. WedgCor, Inc. shall furnish approval erection drawings which include anchor bolt plans, wall and roof elevations for framing and sheeting, frame cross sections and general details to show clearly the proper assembly of all building components. Final erection drawings and shipping list will be delivered with the building.
      1.4.2. A qualified Professional Engineer shall certify that the building design meets the requirements of the specifications and conforms to good engineering practices, for the loading conditions requested. (Please be specific).
      1.4.3. Engineer letter of certification and engineer stamped drawings supplied upon request.

SECTION 2: DESIGN

2.1.GENERAL
      2.1.1. All structural steel of hot-rolled shapes and built-up welded sections shall be designed in accordance with AISC's eighth edition "Specifications for the Design, Fabrication, and Erection of Structural Steel for Buildings".
      2.1.2. Cold-Formed steel members shall be designed in accordance with AISI's latest edition of "Specifications for the Design of Cold-Formed Steel Structural Members".

2.2. DESIGN LOADS
      2.2.l. Live loads imposed upon the roof shall be applied on the horizontal roof projection and shall be20, 25, 30, 40, 50 PSF, or as requested by the purchaser. The building will be designed as per any one of the following applicable building codes; UBC, BOCA, SBC, SFBC, and NBC (National Building Code of Canada). UBC (Uniform Building Code) is standard unless otherwise specified. All buildings are designed as per MBMA standards.
      2.2.2. Wind Loads: Structural members and systems providing the stability for the building shall be designed for the velocity pressures set forth in the above building codes.
      2.2.3. Auxiliary loads such as crane loads, mezzanine loads or excessive collateral loads are obtained by special request.
      2.2.4. All load requirements are the responsibility of the builder, architect or owner. Please verify your code requirements with your local building department.

SECTION 3: BASIC MATERIAL SPECIFICATIONS

3.1. PRIMARY FRAMING
      3.1.1. All hot-rolled steel plate used in fabrication of rigid frames shall conform to the requirements of ASTM Specification A-572. Minimum yield point shall be 50,000 PSI.
      3.1.2. AB hot-rolled steel sheets shall conform to the requirements of ASTM Specification A-570, Grade 50.
      3.1.3. Beyond 1/4" and up, flange material (bars) shall be ASTM A-36 modified to 50 KSI yield.

3.2. SECONDARY FRAMING
      3.2.l. All cold-formed structural members shall conform to the requirements of ASTM A-570 and shall have a minimum yield strength of 50,000 PSI. Hot-rolled structural shapes shall conform to ASTM A-36 and shall have a minimum yield strength of 36,000 PSI.
      3.2.2. Cold-formed steel sections of light gauge shall be manufactured by break or roll forming. Dimensions shall be free from fluting or buckling. 6 1/2", 8" and 9" sections are used per design requirements.

3.3. ROOF AND WALL COVERING
      3.3.1. Material for galvanized steel panels shall meet the requirements of ASTM Specification A-446, (80,000 psi yield). Panel shall have G-90 class galvanization on both sides (1.25 ounce hot-dipped galvanization).
      3.3.2. Roof and Wall covering shall be 26 gauge, 29 gauge or 24 gauge (specify which; 29 and 24 gauge not available in all colors).
      3.3.3. Interior wall liner shall be same commercial high rib as exterior panel, either 29 gauge or 26 gauge (specify which).
      3.3.4. Galvalume available upon request.

3.4. STRUCTURAL PAINTING
      3.4.1. All structural framing members that are not galvanized shall be cleaned to remove all dirt, grease, oil and loose mill scale and shall be given one coat of shop primer.
      3.4.2. Red primer shall have superior hiding powers.
      3.4.3. The primer coat thickness shall be a minimum of one mil.

3.5. PANEL PAINTING
      3.5.1. G-90 galvanized panel shall be pre-treated, then primed for superior resistance to corrosion before application of color coating.
      3.5.2. The finish coat for painted steel panels, when required, shall be minimum 1 mil thickness silicone film and baked to a minimum temperature of 435 degrees F. The silicone polyester panels (except white) shall be pigmented with color pigments of a fade resistant type to help insure long color life. The painted panels shall not show excessive chalking, cracking or loss of adhesion during its warranty period.
      3.5.3. Pre-treating and color coating process shall be applied by a reputable coating firm prior to roll forming. Warranty shall be provided upon request.
      3.5.4. Colors shall be selected from WedgCor, Inc. Standard Colors.

SECTION 4: STRUCTURAL

4.1.GENERAL
      4.1.1. All shop welding shall conform to the requirements of the American Welding Society Structural Code D1.1. Welders shall be fully approved by the proper authorities in both Canada and the United States. Flange to web welds shall be continuous on one side of web using automatic sub-merged arc-welding process. All butt welds shall be full penetration welds.
      4.1.2. All framing members shall be shop fabricated for bolted held assembly. Bolts shall meet the requirements of the following ASTM Standards, latest issue:
                        A-325 For quenched and tempered steel bolts.
                        A-307 For steel machine bolts and nuts.
      4.1.3. All framing members, where necessary, shall be identified with a mark corresponding to the erection drawings.

4.2. PRIMARY FRAMING
      4.2.1. All rigid frames shall be welded, built-up "I" sections.
      4.2.2. All endwall frames and columns shall be either cold-formed, mill rolled or built up "I" sections, depending on design requirements.
      4.2.3. All main frame webs, baseplates, splice plates and flanges shall be shop fabricated to include holes for installation of bolts and slots for bracing.

4.3. SECONDARY FRAMING
      4.3.1. Purlins and girts shall be "Z" shaped cold-formed sections 6 1/2" or 9" deep or "C" shaped cold-formed sections, 8" or 9" deep with flanges of no less than 2-5/16" and stiffener lips. Purlins shall be considered as continuous beams, lapping each other at each interior main frame. The girts shall be either continuous or simple span (flush mounted-optional),depending on type of framing (specify which). Purlin and girt overlap shall be 2'-0" to 6'-3" (full lap) depending on design requirements.
      4.3.2. Eave strut shall be cold-formed "C" section, rolled for appropriate roof pitch (on greater than 1:12) .
      4.3.3. Framed openings shall be made from sections adequate for the specified design loads.
      4.3.4. A continuous galvanized base angle will be supplied for attachment of the base of the sheeting to the concrete. The base angle will be attached to the concrete slab with ram-sets or equivalent anchors (fasteners to concrete not by WedgCor, Inc). Wall panel will be seated in a notch in the concrete with base trim and inside closure to close off lower end panels and for weather seal.

4.4. BRACING
      4.4.1. Diagonal galvanized cable bracing shall be used in the roof and walls to remove longitudinal loads from the structure. Wind bracing is not required when the diaphragm strength of the roof and/or wall sheeting is sufficient to resist longitudinal wind forces.
      4.4.2. Portal frames: When special conditions exist so that cable bracing cannot be used, a portal frame or other type of bracing will be used between frames to remove longitudinal loads.
      4.4.3. Flange bracing: The inside flange of all main frames shall be braced by angles connecting to the flange and web of the frame and to the web of the purlin or girt so that allowable compression is adequate for any combination of loadings.
      4.4.4. To assure consistent purlin spacing and stiffening, galvanized purlin bridging angles shall be provided.

SECTION 5: ROOF AND WALL COVERING

5.1. PANEL DESCRIPTION
      5.1.1. WedgCor, Inc. commercial high rib panels shall provide 36" net coverage on walls and roof with lengths up to 32'. The panels shall have 4 major ribs, 12" on center, 1 1/8" deep (minimum). Trapezoidal return ribs to taper from 1" to 3-5/16" with intermediate shoulders and an anti-capillary flute (Siphon Groove) at the last rib. Two secondary ribs shall be formed between the major ribs. Panels shall be overlapped one major rib at the sides. End laps shall be a minimum of six inches. Mastic sealant shall be provided at all side laps and end laps on roof.
      5.1.2. Architectural commercial wall panel shall provide 36" net coverage for walls, in lengths up to 18' without additional bracing. Ribs are 1-1/8" deep and spaced 12" on center. Panel design semi-conceals fasteners, while providing a shadow line appearance. Side laps shall be on full major corrugation.
      5.1.3. Concealed fastener standing seam roof systems are available upon request.
      5.1.4. Concealed fastener wall panels are available upon request.

SECTION 6: MISCELLANEOUS
MATERIAL SPECIFICATIONS

6.1. FASTENERS
      6.1.1. Structural bolts shall meet the requirements of latest issue of ASTM Standards:
                        A-325 For Primary Framing Connections
                        A-307 For Secondary Framing
      6.1.2. Panel fasteners shall be self-drilling and self-tapping type sheet metal screws. Fasteners shall be no. 12, type "A" or type "AB", ANSI Standard B18.6.4, hex head, galvanized carbon steel, pre-assembled with neoprene washer. Heads shall be galvanized or color coated to match sidewall or roof panel. Aluminum coated fasteners supplied with galvalume panels. Lifetime Guaranteed Fasteners (optional) also available upon request.

6.2. SEALANTS
      6.2.1. Sealant for sidelaps, endlaps and flashing shall be a nominal 3/8" wide by 1/8" thick, gray Polysobutylene (butyl) Polymers pressure sensitive tape. The material shall be non-asphaltic, non-shrinking, non-drying and non-toxic, at temperatures from 10 degrees to 140 degrees F. Sealant shall adhere to metals, plastics and painted surfaces. The material shall have a flash point of at least 300 degrees F, and shall not flow at 275 degrees F.
      6.2.2. Solid or closed cell, pre-formed ethylene Propylenetherpolymer closures, with self-adhesive backing on one side, matching the profile of the roof and wall panel, shall be included at the base, gable and eave, to help assure seal for weather protection or resistance and provide air infiltration stop on blanket insulated buildings.

6.3. FLASHING, CLOSURE AND TRIM
      6.3.1. Flashing and/or trim shall be furnished at the rake, corners and eaves. Also at framed openings and wherever necessary to provide weather protection and a finished appearance. Flashing on framed openings shall conceal all exposed red iron or be of "J" trim type (specify which).       6.3.2. A pre-formed ridge panel matching the slope and profile of adjoining roof panels shall be provided along the building ridge for all roof slopes up to 4:12. Over 4:12 pitch, special ridge cap shall be provided.
      6.3.3. Optional eave gutter shall be fabricated from galvanized steel, with white or burnished slate (specify which) baked on paint and supported by gutter hanging bracket spaced 36" on center. Gutter shall be 4" or 6" (specify which) box type and shall conceal the flutes of the roof panels. Downspouts shall be spaced as required for building size and expected rainfall in area. (Dealer responsible for this determination).
      6.3.4. Valley gutter, if required for multiple span building, regular parapet or mansard condition shall be 24 gauge minimum. Downspouts, outlets and elbows to be furnished by others.

SECTION 7: ACCESSORIES

7.1. PERSONNEL DOORS
      7.1.1. Personnel doors shall be insulated standard 1- 3/4" full flush 20 gauge swing doors complete with a standard duty cylindrical lock. All doors shall also include flush hinges, door sweep, threshold and structural sub-jambs of Cee sections to insure rigid placement. (First girt usually acts as door header.) Flashing included to close off panel edges. Door sizes are standard 3070, 4070, 6070 (specify which).Other sizes available upon request. Panic, special hardware, and window frames cut into doors available upon request. Glazing not by WedgCor, Inc. Personnel doors are field located.

7.2. TRANSLUCENT PANELS
      7.2.1. Translucent panels shall have the same configuration as the specified covering with an embossed finish exposed to the weather. Translucent panels shall be of translucent polyester resin reinforced glass fiber. The polyester used shall be specially formulated to produce a weather resistant, sun resistant, stabilized product.

7.3. OVERHEAD DOOR FRAMING
      7.3.1. Overhead door framing shall be designed to resist applicable wind loads and shall consist of 8" or 9" Cee section jambs and header.
      7.3.2. Galvanized flashing painted white (burnished slate is optional) shall be provided to conceal and close off panel edges around openings when steel siding is utilized. The flashing shall be of a type to completely conceal the red iron door framing. Partial flashing available at reduced cost.
      7.3.3. Special flashing available to close off framed openings, if required, when other than steel siding is utilized. Details and shipping list must be supplied.
      7.3.4. Overhead doors not by WedgCor, Inc.

7.4. WINDOW FRAMING
      7.4.1. Window framing shall consist of Cee section for jambs, header and sill to insure rigidity. First girt usually acts as window header. Flashing included to close off panel edges and conceal the red iron window framing. Special flashing available, if required to seal off window framed opening when other than steel siding is utilized. Details and shipping list must be supplied.Glazing not by WedgCor, Inc.

7.5. VENTILATORS
      7.5.1. Stationary roof ventilators are gravity type, manufactured from 24 gauge galvanized steel in which all welds, soldered seams, rivets and fasteners are clean, tight and secure. Ventilators feature seamless spun caps which are leak proof. Straight through drainage eliminates clogging by airborne debris. Mounting jack matches roof slope.
      Vents utilize negative air pressure through a 14" throat as an operating principle. Overall width of vent is 22" and height 10 1/2", not including mounting jack dimension.
      Power ventilation can be added before or after installation by adding fan section.
      7.5.2. Spinning turbine vents use pre-lubricated ball bearing action for easy operation of rotor head. Suction is maintained through 12" throat even at low wind velocities. 360' operating surface assures access to wind currents regardless of direction.
      The vents rotor shaft and bearing assembly are manufactured in galvanized steel and are encased in a corrosion resistant housing to assure long operational life.
      Turbine, minus jack, is 15" high and 17 1/2" wide, with 22 rotor blades. Mounting jacks matches roof slope.
      7.5.3. Ridge ventilators come in 10' sections with 9" or 12" throat (specify which), dampers and 15' chain loop, controlled by a worm gear operator to adjust damper. (Longer chain loop available as option).

7.6. LOUVERS
      7.6.1. Wall louvers are standard 21" x 21" with 1-1/2" perimeter mounting flange making overall dimension 24" x 24" (other sizes available on special request). Pull chain against spring loading allows easy louver adjustment from convenient height.
      Frame manufactured from 16 gauge galvanized roll formed channel with pre-slotted mounting holes with reinforced corners. Roll formed blades with three reinforcing ribs are pivoted off center and are linked together to operate in unison.
      Cee section jambs, header and sill with trim, (similar to window framing detail) included for mounting louver unit to building and to insure rigidity.

SECTION 8: ERECTION By others -
not the responsibility of WedgCor, Inc.

8.1. ERECTION
      8.1.1. The erection of the building and the installation of the accessories, shall be performed in a workmanlike manner with the proper tools and equipment, by a qualified erector, as set forth in the specifications and the manufacturer's erection drawings.
      8.1.2. WedgCor, Inc. is not responsible for erection.
      8.1.3. Upon request, the Manufacturer or its Marketing Service may supply the name(s) of potential contractors to install concrete and erect the building components or to perform other work pertaining to the installation and erection of the building components. Buyer acknowledges that neither the Manufacturer nor its Marketing Service have investigated such contractors, and that the provision of the name(s) does not constitute a recommendation of the skill or competence of any contractor. Buyer agrees to rely solely on his own investigation of such matters when selecting contractor. The Manufacturer and its Marketing Service are not involved in construction; any representation or agreement between Dealer or Contractor and Buyer concerning delivery, construction, modifications or other items are between the parties thereto, and do not bind the Manufacturer or its Marketing Service in any way.

8.2. FIELD MODIFICATION
      8.2.1. Field design modifications will not be made to any structural member except as authorized and specified by the building manufacturer and approved and certified by the manufacturer's Engineer.

SECTION 9: ANCHORAGE AND
FOUNDATIONS

9.1. ANCHOR BOLTS
      9.1.1. The building anchor bolts shall be designed to resist the column reaction. The sizes and design shall be as specified by the building manufacturer. (Anchor bolts and templates are not furnished by WedgCor, Inc.). The building manufacturer shall furnish anchor bolt setting plans.

9.2. FOUNDATIONS
      9.2.1. The building foundations shall be designed by a qualified engineer and support the building reactions and other loads required by the occupant's usage. The foundation plans shall not be furnished by WedgCor, Inc.