home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
Spec Disk 1998 Spring 4.0
/
Spec Disk 1998 Spring 4.0.iso
/
text
/
04080hoh.txt
< prev
next >
Wrap
Text File
|
1998-06-10
|
22KB
|
489 lines
SECTION 04080
MASONRY REINFORCEMENT SYSTEMS
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.
PART 2 PRODUCTS
2.1 MANUFACTURERS
A. Acceptable manufacturer: Hohmann & Barnard, Inc.; 30
Rasons Court, P.O. Box 5270, Hauppauge, N.Y. 11788-0270;
Telephone 516-234-0600, FAX 516-234-0683.
NOTE ** Delete one of the two Paragraphs below; coordinate
with Division 01 requirements.
B. Requests for substitutions will be considered in
accordance with provisions of Section 01600.
C. Substitutions: Not permitted.
NOTE ** Article below specifies reinforcement systems for
multi-wythe walls having horizontal mortar joints
maximum 2-1/4 inches out of alignment.
2.2 ADJUSTABLE REINFORCEMENT SYSTEM
NOTE ** Delete one of two paragraphs below.
A. Acceptable product: #180 S.I.S. Dub'l Loop-Lok Truss
Seismiclip Interlock System.
B. Acceptable product: #280 S.I.S. Dub'l Loop-Lok Ladder
Seismiclip Interlock System.
C. Components:
NOTE ** Delete one of two paragraphs below.
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.
2.3 ADJUSTABLE REINFORCEMENT SYSTEM
NOTE ** Delete one of two paragraphs below.
A. Acceptable product: #175 S.I.S. Dub'l Eye-Lok Truss
Seismiclip Interlock System.
B. Acceptable product: #275 S.I.S. Dub'l Eye-Lok Ladder
Seismiclip Interlock System.
C. Components:
NOTE ** Delete one of two paragraphs below.
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.
2. Install veneer anchors at stud locations; 16 inches
OC vertically, 16 inches OC horizontally.
3. Screw-attach veneer anchor to stud face; ensure full
contact of veneer anchor legs with stud face.
4. Install masonry wall tie at each veneer anchor
location; install ties as exterior wythe of masonry
construction progresses.
5. Set reinforcement retaining clip in full mortar bed
at each masonry wall tie location; secure tie wires
in correct size ridges.
6. Secure continuous masonry joint reinforcement wire in
correct size ridge in reinforcement retaining clip.
END OF SECTION