NOTE ** This section is based on three seismic-rated masonry reinforcement systems produced by:
NOTE ** Hohmann & Barnard, Inc.
NOTE ** 30 Rasons Court, P.O. Box 5270
NOTE ** Hauppauge, N.Y. 11788-0270
NOTE ** Telephone 516-234-0600, FAX 516-234-0683.
NOTE **
NOTE ** Hohmann & Barnard, Inc. products include a complete line of masonry and stone reinforcing and setting accessories.
NOTE **
NOTE ** SECTION 04080 - MASONRY REINFORCEMENT SYSTEMS, Copyright 1996, The Architect's Catalog, Inc.
PART 1 GENERAL
1.1 SECTION INCLUDES
NOTE ** Delete items below not required for project.
A. Adjustable Reinforcement System.
B. Masonry Veneer Reinforcement System.
1.2 RELATED SECTIONS
NOTE ** Delete any sections below not relevant to this project; add others as required.
A. Section 04810 - Unit Masonry Assemblies.
B. Section 05400 - Cold Formed Metal Framing.
1.3 REFERENCES
NOTE ** Delete references from the list below that are not actually required by the text of the edited section.
A. ASCE/ACI 530.1 - Specifications for Masonry Structures.
B. ASTM A 82 - Standard Specification for Cold-Drawn Steel Wire for Concrete Reinforcement.
C. ASTM A 153 - Standard Specification for Zinc Coating (Hot Dip) on Iron and Steel Hardware.
D. ASTM A 167 - Standard Specification for Stainless and Heat-Resisting Chromium-Nickel Steel Plate, Sheet, and Strip.
E. ASTM A 366 - Standard Specification for Steel Sheet, Carbon, Cold-Rolled, Commercial Quality.
F. ASTM A 653/A 653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvanealed) by the Hot-Dip Process.
G. ASTM A 569 - Standard Specification for Steel, Carbon (0.15 Maximum Percent), Hot-Rolled Sheet and Strip Commercial Quality.
H. ASTM A 580 - Standard Specification for Stainless and Heat-Resisting Steel Wire.
I. ASTM A 641 - Standard Specification for Zinc-Coated (Galvanized) Carbon Steel Wire.
J. ASTM D 412 - Standard Test Methods for Vulcanized Rubber and Thermoplastic Rubbers and Thermoplastic Elastomers--Tension.
K. ASTM E 96 - Standard Test Methods for Water Vapor Transmission of Materials.
1.4 SYSTEM DESCRIPTION
A. System tested and evaluated for Seismic Zones 3 and 4 in accordance with ICBO guidelines and ICBO Evaluation Service, Inc. Evaluation Report No. 4882.
1.5 SUBMITTALS
A. Submit under provisions of Section 01300.
B. Product Data: Manufacturer's standard descriptive literature and printed installation instructions for each specified component.
C. Verification Samples: Three samples of each specified component; for linear components, submit three samples, each one foot long.
1. Truss-type horizontal joint reinforcement for concrete masonry unit walls:
a. Acceptable product: #180 Dub'l Loop-Lok Truss.
2. Ladder-type horizontal joint reinforcement for concrete masonry unit walls:
a. Acceptable product: #280 Dub'l Loop-Lok Ladder.
NOTE ** Delete one of two paragraphs below.
b. Side rods: 9 gage.
c. Side rods: 3/16 inch diameter.
NOTE ** Delete one of two paragraphs below.
d. Cross rods: 9 gage.
e. Cross rods: 3/16 inch diameter.
f. Side rod spacing: 2 inches less than nominal concrete masonry unit width.
NOTE ** First of following two paragraphs specifies truss-type reinforcement; second paragraph specifies ladder-type. Delete one of the two paragraphs below.
g. Cross rod spacing: Truss type full width of side rod spacing, butt-welded to side rods at each contact point.
h. Cross rod spacing: 16 inches on center, butt-welded to side rods at each contact point.
i. Double 3/16 inch diameter welded wire loops, spaced at 16 inches on center; inside loop dimension to provide 1-1/4 inches vertical adjustment of masonry anchor.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
j. Wire: Stainless steel, ASTM A 580, Type 304.
k. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
NOTE ** Delete one of two types of masonry ties below.
3. Masonry wall tie:
a. Acceptable product: Box Byna-tie.
b. Rectangular-shape brick anchor, 3/16 inch diameter wire, fitting into wire loops of horizontal joint reinforcement.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
c. Wire: Stainless steel, ASTM A 580, Type 304.
d. Wire: Stainless steel, ASTM A 580, Type 316.
e. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
f. Length: Required for indicated wall cavity dimension.
NOTE ** Delete paragraph below if cavity drip not required.
g. Deform wall tie to provide cavity drip at center of tie length.
4. Masonry wall tie:
a. Acceptable product: Bent-Box Byna-tie.
b. Rectangular-shape brick anchor, 3/16 inch diameter wire, fitting into wire loops of horizontal joint reinforcement, bent to form 1 inch offset, providing additional 1 inch of vertical coursing adjustment.
c. Projection: Required for indicated wall cavity dimension.
NOTE ** Delete paragraph below if cavity drip not required.
d. Deform wall tie to provide cavity drip.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
e. Wire: Stainless steel, ASTM A 580, Type 304.
f. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
5. Reinforcement retaining clip:
a. Acceptable product: #187-A Seismiclip.
b. Extruded rigid polyvinyl chloride (PVC), with one retaining ridge to secure 9 gage wire, and three retaining ridges to secure 3/16 inch diameter wire, grooved base for improved mortar bond.
6. Joint reinforcement wire:
NOTE ** Delete one of two paragraphs below.
a. Wire size: 9 gage.
b. Wire size: 3/16 inch diameter.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
c. Wire: Stainless steel, ASTM A 580, Type 304.
d. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
e. Wire: Steel, ASTM A 82, mill galvanized in accordance with ASTM A 641, Class 3.
f. Length: 10 feet minimum continuous piece length.
NOTE ** Delete paragraph below if no rigid cavity insulation.
7. Rigid insulation retainer:
a. Acceptable product: Loop-Lok Washer.
b. Polyvinyl chloride (PVC) clip-type retainer for rigid board insulation; attaches to loop wires on horizontal joint reinforcement.
NOTE ** Article below specifies reinforcement systems for multi-wythe walls having aligning horizontal mortar joints, where restriction of vertical movement is required.
1. Truss-type horizontal joint reinforcement for concrete masonry unit walls:
a. Acceptable product: #175 Dub'l Eye-Lok Truss.
2. Ladder-type horizontal joint reinforcement for concrete masonry unit walls:
a. Acceptable product: #275 Dub'l Eye-Lok Ladder.
NOTE ** Delete one of two paragraphs below.
b. Side rods: 9 gage.
c. Side rods: 3/16 inch diameter.
NOTE ** Delete one of two paragraphs below.
d. Cross rods: 9 gage.
e. Cross rods: 3/16 inch diameter.
f. Side rod spacing: 2 inches less than nominal concrete masonry unit width.
NOTE ** First of following two paragraphs specifies truss-type reinforcement; second paragraph specifies ladder-type. Delete one of the two paragraphs below.
g. Cross rod spacing: Truss type full width of side rod spacing, butt-welded to side rods at each contact point.
h. Cross rod spacing: 16 inches on center, butt-welded to side rods at each contact point.
i. Double 3/16 inch diameter welded wire eyes, spaced at 16 inches on center.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
j. Wire: Stainless steel, ASTM A 580, Type 304.
k. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
3. Masonry wall tie:
a. Acceptable product: Box Byna-tie.
b. Rectangular-shape brick anchor, 3/16 inch diameter wire, fitting into wire eyes of horizontal joint reinforcement.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
c. Wire: Stainless steel, ASTM A 580, Type 304.
d. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
e. Length: Required for indicated wall cavity dimension.
NOTE ** Delete paragraph below if cavity drip not required.
f. Deform wall tie to provide cavity drip.
4. Reinforcement retaining clip:
a. Acceptable product: #187-A Seismiclip.
b. Extruded rigid polyvinyl chloride (PVC), with one retaining ridge to secure 9 gage wire, and three retaining ridges to secure 3/16 inch diameter wire, grooved base for improved mortar bond.
5. Joint reinforcement wire:
NOTE ** Delete one of two paragraphs below.
a. Wire size: 9 gage.
b. Wire size: 3/16 inch diameter.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
c. Wire: Stainless steel, ASTM A 580, Type 304.
d. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
e. Wire: Steel, ASTM A 82, mill galvanized in accordance with ASTM A 641, Class 3.
f. Length: 10 feet minimum continuous piece length.
NOTE ** Delete paragraph below if no rigid cavity insulation.
6. Rigid insulation retainer:
a. Acceptable product: Loop-Lok Washer.
b. Polyvinyl chloride (PVC) clip-type retainer for rigid board insulation; attaches to eye wires on horizontal joint reinforcement.
NOTE ** Article below specifies anchoring system for metal stud and sheathing substrate, with or without cavity insulation.
2.4 MASONRY VENEER REINFORCEMENT SYSTEM
A. Acceptable product: DW-10-X Seismiclip Interlock System.
B. Components:
1. Formed metal veneer anchor having double-pointed legs to penetrate rigid insulation and sheathing for direct contact with steel stud framing, formed vertical slot for adjustable masonry wire ties, screw hole at top and at bottom of anchor for screw attachment to framing.
a. Acceptable product: DW-10-X Veneer Anchor.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
b. Metal: Stainless steel sheet, ASTM A 167, Type 304, finish 2B.
c. Metal: Cold-rolled steel sheet, ASTM A 366, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
d. Metal: Cold-rolled steel sheet, ASTM A 366, mill galvanized in accordance with ASTM A 653/A 653M, Class G60.
NOTE ** Delete one of two paragraphs below.
e. Metal thickness: 14 gage.
f. Metal thickness: 12 gage.
NOTE ** Delete one of two paragraphs below.
g. Screw hole size: 1/4 inch diameter.
h. Screw hole size: 5/16 inch diameter.
i. Leg lengths: Sizes for indicated sheathing and insulation thicknesses.
2. Masonry wall tie:
a. Acceptable product: Byna-tie.
b. Trapezoid-shape brick tie, fitting into vertical slot of veneer anchor.
NOTE ** Delete one of two paragraphs below.
c. Wire size: 3/16 inch diameter.
d. Wire size: 1/4 inch diameter.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
e. Wire: Stainless steel, ASTM A 580, Type 304.
f. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
g. Wire: Steel, ASTM A 82, mill galvanized in accordance with ASTM A 641.
h. Length: Required for indicated wall cavity dimension.
NOTE ** Delete paragraph below if cavity drip not required.
i. Deform wall tie to provide cavity drip.
NOTE ** Delete one of two paragraphs below.
3. Reinforcement retaining clip:
a. Acceptable product: #187 Seismiclip.
b. Extruded rigid polyvinyl chloride (PVC), with one retaining ridge to secure 9 gage continuous wire and three retaining ridges to secure alternate 3/16 inch diameter continuous wire and 3/16 inch diameter Byna-tie, grooved base for improved mortar bond.
4. Reinforcement retaining clip:
a. Acceptable product: #250 Seismiclip.
b. Extruded rigid polyvinyl chloride (PVC), with one retaining ridge to secure 9 gage continous wire, one retaining ridge to secure alternate 3/16 inch continous wire, and two retaining ridges to secure 1/4 inch diameter Byna-tie, grooved base for improved mortar bond.
5. Joint reinforcement wire:
NOTE ** Delete one of two paragraphs below.
a. Wire size: 9 gage.
b. Wire size: 3/16 inch diameter.
NOTE ** Delete wire types below not required for project. Hot-dip galvanizing is minimum for ASCE/ACI 530.1 requirements.
c. Wire: Stainless steel, ASTM A 580, Type 304.
d. Wire: Steel, ASTM A 82, hot-dip galvanized after fabrication in accordance with ASTM A 153, Class B2.
e. Wire: Steel, ASTM A 82, mill galvanized in accordance with ASTM A 641, Class 3.
f. Length: 10 feet minimum continuous piece length.
NOTE ** Delete paragraph below if not required for project.
6. Sealing tape:
a. Acceptable product: Textroseal.
b. Meet requirements of ASTM D 412, and ASTM E 96.
c. 40 mil thick multi-ply polyethylene/polymer modified asphalt, self-sealing; adhesive backed, 2-1/2 inches wide, 50 feet roll length.
NOTE ** Delete one of two fastener types below.
7. Fasteners:
a. Self-drilling self-tapping screws; hex washer head, size #10 - 16, lengths required for indicated insulation and sheathing thicknesses.
b. Metal: Zinc-coated steel.
c. Metal: Polymer-coated steel.
d. Metal: Stainless steel, Type 410.
8. Fasteners:
a. Self-drilling self-tapping screws; hex washer head, size #12, lengths required for indicated insulation and sheathing thicknesses.
b. Acceptable product: SX Fastener stainless steel Type 300, manufactured by SFS Stadler.
c. Metal: Stainless steel shank, carbon steel point.
NOTE ** Delete paragraph below if not required for project.
d. Provide neoprene sealing washers.
PART 3 EXECUTION
3.1 EXAMINATION
A. Examine project conditions before beginning installation of masonry reinforcement systems components
B. Do not proceed with installation of vinyl products until unacceptable conditions have been corrected.
3.2 INSTALLATION
A. Concrete unit masonry installation is specified in Section 04810.
B. Brick masonry installation is specified in Section 04810.
C. Install masonry reinforcement system components in accordance with manufacturer's printed installation instructions.
D. Adjustable Reinforcement System:
1. Install horizontal joint reinforcement for concrete unit masonry walls at 16 inches OC vertically, and at masonry course above headers of openings, extending reinforcement minimum 8 inches past opening at each jamb.
NOTE ** Delete paragraph below if no rigid board insulation.
2. Secure rigid insulation in place with rigid insulation retainer at each masonry wall tie connector location on horizontal joint reinforcement.
3. Install masonry wall tie at each masonry wall tie connector location on horizontal joint reinforcement; install ties as exterior wythe of masonry construction progresses.
4. Set reinforcement retaining clip in full mortar bed at each masonry wall tie location; secure tie wires in correct size ridges.
5. Secure continuous masonry joint reinforcement wire in correct size ridge in reinforcement retaining clip.
E. Masonry Veneer Reinforcement System:
NOTE ** Delete paragraph below if sealing tape not specified in Part 2 above.
1. Install sealing tape at stud locations to receive veneer anchors; install tape vertically, continuous full stud length.
