CITY OF MIAMI CAPITAL IMPROVEMENTS PROGRAM
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PROJECT NUMBER B-35883A
BID SET 03/25/13
TABLE OF CONTENTS
DIVISION 1-
GENERAL REQUIREMENTS
01040
PROJECT COORDINATION
01043
MECHANICAL AND ELECTRICAL COORDINATION
01045
CUTTING AND PATCHING
01050
FIELD ENGINEERING
01200
PROGRESS MEETINGS
01230
ALTERNATES
01312
CONSTRUCTION PROGRESS DOCUMENTATION
01340
QUALITY REQUIREMENTS (SUBMITTALS)
01354
ENVIRONMENTAL PROCEDURES
01410
TESTING LABORATORY SERVICES
01530
BARRIERS
01740
CLEANING AND WASTE MANAGEMENT
DIVISION 2-
SITE WORK
02072
02200
02221
02280
02444
02511
02580
02660
02720
02731
02735
02810
02840
02900
02910
02931
02935
REMOVALS
EARTHWORK
EXCAVATING, BACKFILLING, AND COMPACTION FOR UTILITIES
SOIL TREATMENT
CHAIN LINK FENCES AND GATES
ASPHALTIC CONCRETE PAVING
PAVEMENT MARKING
WATER SYSTEMS
STORM DRAINAGE SYSTEM
SANITARY SEWER SYSTEM
WASTE WATER DRAINAGE SYSTEM
IRRIGATION SYSTEM
SIGNAGE
LANDSCAPING
TREE RELOCATION
TREE AND PLANT RELOCATION
SODDING
DIVISION 3-
CONCRETE
03100
03200
03300
03330
03410
03413
03521
03522
03600
CONCRETE FORMWORK
CONCRETE REINFORCEMENT
CAST- IN-PLACE CONCRETE
ARCHITECTURAL CONCRETE
PRECAST STRUCTURAL CONCRETE
PRECAST CONCRETE JOISTS
LIGHTWEIGHT INSULATING CONCRETE
CELLULAR INSULATING CONCRETE ROOF DECK
GROUT
TABLE OF CONTENTS
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DIVISION 4-
MASONRY
04200
04231
04400
04530
GREY UNIT MASONRY
REINFORCED ARCHITECTURAL GROUND FACED MASONRY UNIT
REINFORCED ARCHITECTURAL MASONRY UNIT
MASONRY PATCHWORK
DIVISION 5-
METALS
05120
05310
05300
05330
05400
05500
05515
05590
STRUCTURAL STEEL FRAMING
STEEL DECKING
STRUCTURAL ROOF DECK ASSEMBLY
STRUCTURAL ROOF DECK TERMINATION & TRANSITIONS
LIGHT GAUGE METAL FRAMING
METAL FABRICATIONS
FIXED ACCESS LADDERS/ROOF HATCH/SAFETY RAIL
STEEL FRAMED EQUIPMENT SUPPORT
DIVISION 6-
WOOD AND PLASTICS
06100
ROUGH CARPENTRY
06300
WOOD TREATMENT
06400
ARCHITECTURAL WOODWORK AND SOLID SURFACE TOPS
DIVISION 7-
THERMAL AND MOISTURE PROTECTION
07116
ELASTOMERIC COATINGS
07120
FLUID APPLIED WATERPROOFING Deleted Addendum#1
07121
FLUID APPLIED WALL COATING
07190
VAPOR AND RADON RETARDER
07210
BUILDING INSULATION
07214
FOAMED IN PLACE MASONRY WALL INSULATION
07270
FIRE STOPPING AND SMOKE BARRIER Deleted Addendum#1
07411
STANDING SEAM PREFINISHED MANUFACTURED ROOF PANELS
07421
EXTERIOR METAL WALL PANELS
07500
ROOF ASSEMBLY
07501
SPECIAL WARRANTY FORM
07503
LIGHT WEIGHT INSULATION CONCRETE
07525
SBS MODIFIED BITUMEN ROOFING
07600
FLASHING AND SHEET METAL
07630
PVC RAINWATER LEADERS – RWL
07721
SUPPORTS FOR ROOF TOP EQUIPMENT
07723
ROOF ASSEMBLY HATCHES
07727
ROOF ASSEMBLY EDGE GUARDS
07840
FIRESTOPPING AND SMOKE SEALING
07920
SEALANTS AND CAULKING
07950
EXPANSION JOINT COVERS Deleted Addendum#1
DIVISION 8-
DOORS AND WINDOW
08110
STEEL DOORS AND FRAMES
TABLE OF CONTENTS
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08305
08330
08331
08411
08412
08413
08452
08513
08710
08800
DIVISION 9-
DIVISION 10-
FINISHES
09120
09200
09212
09250
09310
09510
09640
09650
ACCESS PANELS
OVERHEAD COILING DOORS
SERVICE COUNTER-OVERHEAD COILING DOOR
ALUMINUM EXTERIOR STORFRONTS W/ HURRICANE GLAZING
ALUMINUM INTERIOR STOREFRONTS W/ TEMPERED GLAZING
GLAZED ALUMINUM CURTAIN WALL – IMPACT
TRANSLUCENT WINDBORNE RESISTANT WALL PANEL SYSTEM
SINGLE-HUNG ALUMINUM WINDOWS - IMPACT
DOOR HARDWARE
GLASS AND GLAZING
09656
09660
09730
09900
09905
09910
PLASTERED CEILING SUSPENSION SYSTEMS
METAL STUDS, METAL LATH, SUSPENSION CEILINGS, PLASTER, AND STUCCO
SPRAYED CELLULOSE ACOUSTICAL INSULATION
GYPSUM WALLBOARD
CERAMIC TILE
ACOUSTICAL CEILINGS
WOOD GYM FLOORING
Additive Alternate No. 3 –
RECYCLED POURED RUBBER FLOORING-PLAYGROUND RUBBERIZED SURFACE
SPORTS RESILIENT ATHLETIC FLOORING
RESILENT TILE FLOORING
EPOXY FLOORING W/ INTEGRAL COVE BASE Deleted Addendum#1
PAINTING
EPOXY RESIN WALL FINISH
TEXTURED COATINGS Deleted Addendum#1
SPECIALTIES
10100
10155
10200
10240
10260
10265
10400
10505
10522
10532
10550
10605
10650
10675
10700
10810
MARKERBOARDS & TACKBOARDS
SOLID PLASTIC TOILET PARTITIONS
WALL LOUVERS
ARCHITECTURAL LOUVERS
STAINLESS STEEL CORNER GUARDS
INTERIOR CORNER GUARDS
IDENTIFYING DEVICES
LOCKERS
FIRE EXTINGUISHERS
WALKWAY COVERS AND METAL CANOPIES - Added Addendum#1
POSTAL SPECIALTIES Deleted Addendum#1
WIRE MESH DOORS AND PARTITIONS Deleted Addendum#1
OPERABLE PARTITIONS
SHELVING – UTILITY STORAGE
EXTERIOR SUN CONTROL DEVICES
TOILET ACCESSORIES
TABLE OF CONTENTS
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DIVISION 11-
EQUIPMENT
11132
11400
11452
11480
11484
11485
11680
DIVISION 12-
FURNISHINGS
12481
ENTRANCE FLOOR MATS
12760
TELESCOPING BLEACHERS
DIVISION 13-
SPECIAL CONSTRUCTION
13742
TELEPHONE AND DATA RACEWAY SYSTEM
13810
ENERGY MANAGEMENT SYSTEM (EMS)
13845
INTRUSION DETECTION SYSTEM
13851
CARD ACCESS CONTROL SYSTEM
DIVISION 14-
CONVEYING SYSTEMS
NOT USED
DIVISION 15-
MECHANICAL
15010
15044
15050
15060
15071
15083
15110
15140
15150
15160
15180
15184
15300
15330
15410
15430
15485
15670
15720
15735
15736
15810
TABLE OF CONTENTS
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MOTORIZED PROJECTION SCREENS
FOODSERVICE COUNTERS AND CABINETS
RESIDENTIAL KITCHEN EQUIPMENT Deleted Addendum#1
ATHLETIC EQUIPMENT
GYMANSIUM DIVIDER Deleted Addendum#1
GYMNASIUM SCOREBOARD
Additive Alternate No. 3 –
PLAYGROUND EQUIPMENT
STANDARD MECHANICAL REQUIREMENTS
GENERAL COMLETION
BASIC MECHANICAL MATERIALS AND METHODS
HANGERS AND SUPPORTS
HVAC- VIBRATION ISOLATION
PIPE INSULATION
VALVES
DOMESTIC WATER PIPING
SANIYARY WASTE AND VENT PIPING
STORM DRAINAGE PIPING
MECHANICAL SYSTEMS INSULATION
REFRIGERANT (DX) PIPING AND SPECIALTIES
FIRE PROTECTION (GENERAL REQUIREMENTS)
AUTOMATIC FIRE SPRINKLER SYSTEM
PLUMBING FIXTURES
PLUMBING SPECIALTIES
DOMESTIC WATER HEATER
AIR COOLED CONDENSING UNITS
AIR HANDLING UNITS
SELF-CONTAINED AIR-CONDITIONERS
DUCTLESS AIR CONDITIONER
DUCTWORK
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15820
15850
15861
15885
15905
15950
15955
DIVISION 16- ELECTRICAL
16O23
16100
16112
16120
16131
16140
16156
16160
16402
16430
16440
16450
16470
16475
16511
16530
16630
16670
16709
16721
DUCTWORK ACCESSORIES
AIR OUTLETS & INLETS
AIR MOVING EQUIPMENT
AIR FILTRATION EQUPMENT
CONTROLS AND INSTRUMENTATION
TESTING, ADJUSTING AND BALANCING
TESTS
CODES AND STANDARDS
BASIC MATERIALS AND METHODS
RACEWAYS AND CONCUITS
WIRE AND CABLE
OUTLET, PULL, AND JUNCTION BOXES
WIRING DEVICES
MOTOR STARTER GROUP CONTROL
TERMINAL CABINETS
ELECTRICAL SITE UTLITIES
METERING AND SUBMETERING
DISCONNECT SWITCHES
GROUNDING
PANELBOARDS
OVERCURRENT PROTECTIVE DEVICES
LIGHTING FIXTURES AND LAMPS
EXTERIOR LIGHTING
BATTERY POWERED EMERGENCY INCANDESCENT LIGHTING UNITS
LIGHTING PROTECTION SYSTEM
TRANSIENT VOLTAGE SURGE SUPPRESSION
FIRE ALARM DETECTION SYSTEM
END OF TABLE OF CONTENTS
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SECTION 04231 - REINFORCED ARCHITECTURAL GROUNF FACED UNIT MASONRY – Addendum #1
PART 1
1.1
GENERAL
SUMMARY
A. Related Sections:
1.
2.
3.
4.
5.
1.2
03100 - Concrete Formwork
03200 - Concrete Reinforcement
03300 - Cast-in-Place Concrete
04200 - Concrete Unit Masonry
04230 – Reinforced Architectural Unit Masonry
QUALITY ASSURANCE
A.
Comply with all provisions of applicable building codes, specifications, and standards, except where more stringent
requirements are shown or specified, as referred to in Sections 03300 and 04220, which are to be adhered to.
B.
Certifications: Provide certification from concrete unit masonry manufacturer stating all the materials supplied meet
the specifications and manufacturer’s requirements.
C.
Mock-Ups: Erect, at a minimum, a 6 foot long by 4 foot high section by full thickness sample wall panel to
represent completed exterior and interior masonry work for qualities of appearance, finish, grouting approach,
materials, and construction. . This panel will represent both the quality of the product and the workmanship to be
expected for the project. The panel must be approved by either the owner or the architect for the project Retain
sample wall during construction for standard for completed masonry work.
D.
U-block is only allowed as may be specifically detailed or called for in the structural engineering drawings.
Otherwise it is not allowed.
E.
Certifications: All ground face masonry units produced by Trenwyth manufacturer or equal. Ground face concrete
blocks manufactured in Pennsylvania shall be lightweight units conforming to ASTM C90. Ground face concrete
blocks manufactured in Arizona shall be medium-weight units conforming to ASTM C90 and all applicable Federal
Specifications.
F.
The ground face surface shall have a smooth satin-gloss finish, externally heat-polymerized cast-on facing
conforming to ASTM C744 and all applicable Federal Specifications. All units are to be manufactured with an
approved integral water repellent CMU admixture.
G.
Fire Resistance: Provide CMU with hourly ratings as required (1, 2, 3 or 4 hours) as shown on wall type details
and life-safety plans.
H.
Field Constructed Mock-ups: Construct a sample panel, no less than 4' x 4', of each color and size to be used
in the project.
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I.
1.3
Manufacturer requires a jobsite sample panel be installed at the jobsite prior to installation of finish products.
This panel will represent both the quality of the product and the workmanship to be expected for the project.
The panel must be approved by either the owner or the architect for the project. Manufacturer will provide 4"
Ground face units for a 4' x 4' sample panel at no cost for the material (excluding freight to the site).
SUBMITTALS
A.
Comply with applicable submittal requirements of Sections 03300 and 04220.
B.
Submit color samples for selection from manufacturer’s series. Submit product literature, certifications, test reports
and full-size sample(s) of each color specified or selected. Custom colors are available.
1.4
A.
1.5
A.
PART 2
2.1
A.
2.2
DELIVERY, STORAGE AND HANDLING
Ground face masonry units shall be delivered to the jobsite on banded pallets with individual protective covers on
each ground face sound-absorbing block face. Keep protective block covers on the blocks until installation. Store
pallets in single stacks on level ground and cover with waterproof covering (e.g. tarpaulins) to protect the blocks
from inclement weather. Handle blocks carefully to avoid breakage and damage to the finished surfaces.
PROJECT CONDITIONS
Protection of Work: Cover walls each day after installation to keep open walls protected and dry. After units are
installed, they should be protected from damage by other trades performing operations that can stain or otherwise
damage the finished surfaces by covering walls with plastic. Corners should be protected from damage after
installation by covering them with hardboard or plywood until completion of project.
PRODUCTS
MATERIALS
Provide ground face and split face masonry units with significant amount of pre-consumer recycled content.
MANUFACTURER
A.
Anchor Concrete Products (800) 233-1924, One Connelly Road • Emigsville, PA 17318
B.
Northfield Block Company (800) 358-3003, 3400 East Bungalow Road • Morris, IL 60450
C.
Superlite Block (800) 331-9823, 4626 N. 42nd Avenue • Phoenix, AZ 85019
D.
Approved Equal manufacturer, meeting all specified criteria.
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2.3
RELATED MATERIALS
A.
Colored matching or contrasting mortar is available from manufacturer. Consult NCMA TEK Notes, for mortar type
and specifications. For all exterior mortar, use matching manufacturer-approved water repellent mortar additive,
following manufacturer’s instructions. Consult manufacturer for recommendations.
B.
In areas that are exposed to excessive moisture, we recommend joints to be raked and filled with BONSAL B-7000
EPOXY or equal. See Mortar Bedding and Jointing for details.
C.
Formwork: Comply with applicable requirements of Section 03100 Concrete Formwork.
D.
Reinforcement: Comply with applicable requirements of Section 03200 Concrete Reinforcement.
E.
Grout: Comply with applicable portions of Sections 03600 and 04200.
F.
Masonry Materials and Accessories: Comply with applicable requirements of Section 04200 Unit Masonry.
2.4 SIZES AND SHAPES
A.
Nominal 2", 4", 6", 8" 10" and 12" standard block thickness shall be used as required per construction drawings and
details, as well as standards required and special block shapes. Basic units may include stretchers, jambs, caps, Ublocks and cove bases.
B.
Contractor is responsible for coordinating all required shapes, U-blocks, corners, jamb conditions, caps, sills and
any other special assembly configurations required for a proper installation in accordance with the intent of the
constructions documents.
2.5 MASONRY CLEANERS
A.
Use Custom Burnished Masonry Cleaner by PROSOCO (dilute 1 part to 3 parts clean water), carefully following
manufacturer’s instructions. Available from manufacturer or local retailer. Do not power wash.
B.
CAUTION! Never use Muriatic Acid solutions OR High pressure Washing on units.
PART 3
3.1
EXECUTION
FORMWORK
A.
GENERAL: Refer to Section 04200 for general installation requirements of unit masonry.
B.
Temporary Formwork: Provide formwork and shores as required for temporary support of reinforced masonry
elements. Design, erect, support, brace and maintain formwork.
C.
Construct formwork to conform to shape, line, and dimensions shown. Make sufficiently tight to prevent leakage of
mortar grout, or concrete. Brace, tie, and support as required maintaining portion and shape during construction and
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curing of reinforced masonry.
D.
3.2
Do not remove forms and shores until reinforced masonry member has hardened sufficiently to carry its own weight
and all other reasonable temporary loads that may be placed on it during construction.
PLACING REINFORCEMENT
A.
General: Clean reinforcement of loose rust, mill scale, dirt, or other materials capable of reducing bond to mortar or
grout. Do not use reinforcement bars with kinks or bends not shown on drawings or final shop drawings, or bars
with reduced cross section due to excessive rusting or other causes.
B.
Position reinforcement accurately at the spacing shown. Support vertical bars are shown in close proximity. Provide
a clear distance between bars of not less than the nominal bar diameter or 1 inch whichever is greater.
C.
For columns, piers, and pilasters, provide a clear distance between vertical bars as shown, but not less than 1-1/2
times the nominal bar diameter or 1-1/2", whichever is greater. Provide lateral ties as shown.
D.
Splice reinforcement bars where shown and according to applicable provisions of Section 03200, Concrete
Reinforcement. Do not splice at other points unless acceptable to the Architects. Provide lapped splices, unless
otherwise shown. In splicing vertical bars or attaching to dowels, lap ends, place in contact and wire tie.
E.
Embed metal ties in mortar joints as work progresses, with a minimum mortar cover of 5/8" on exterior face of walls
and 1/2" at other locations.
F.
Embed prefabricated horizontal joint reinforcing as the work progresses, with a minimum cover of 5/8" on exterior
face of walls and 1/2" at other locations. Lap units not less than 6 inches at ends. Use prefabricated "L" and "T" units
to provide continuity at corners and intersections. Cut and bend units as recommended by manufacturer for
continuity at returns, offsets, column fireproofing, pipe enclosures, and other special conditions.
G.
Anchoring: Anchor reinforced masonry work to supporting structure as indicated.
H.
At intersections of reinforced masonry walls with non-reinforced masonry, provide anchorage as shown.
3.3
INSTALLATION OF REINFORCED CONCRETE UNIT MASONRY
A. General:
1.
2.
3.
4.
Do not wet concrete masonry units (CMU).
Lay CMU units with full face shell mortar beds.
Fill vertical head joints (end joints between units) solidly with mortar from face of unit to a distance behind
face equal to not less than the thickness of longitudinal face shells.
Solidly bed cross-webs of starting courses in mortar.
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5.
6.
Maintain head and bed joint widths shown, or if not shown, provide 3/8" joints.
Where solid CMU units are shown, lay with full mortar head and bed joints.
B. Walls:
1.
2.
3.
4.
Pattern Bond: Lay CMU wall units as shown on drawings. Otherwise, where not indicated in 1/2 running
bond with vertical joints in each course centered on units in courses above and below, unless otherwise
indicated.
Bond and interlock each course at corners and intersections. Use special-shaped units where shown, and as
required for corners, jambs, sash, control joints, lintels, bond beams, and other special conditions.
Maintain vertical continuity of core or cell cavities, to be reinforced and grouted, to provide minimum clear
dimensions indicated and to provide minimum clearance and grout coverage for vertical reinforcement bars.
Keep cavities free of mortar. Solidly bed webs in mortar where adjacent to reinforced cores or cells.
Where horizontal reinforced beams (bond beams) are shown, use special units or modify regular units to
allow for placement of continuous horizontal reinforcement bars. Place small mesh expanded metal lath or
wire screening in mortar joints under bond beam courses over cores or cells of non-reinforced vertical cells,
or provide units with solid bottoms.
C. Columns, Piers, and Pilasters:
1.
2.
3.
Where applicable Use CMU units of the size, shape, and number of vertical core spaces shown. If not
shown, use units providing minimum clearances and grout coverage for number and size of vertical
reinforcement bars shown.
Provide pattern bond shown, or if not shown, alternate head joints in vertical alignment.
Where bonded pilaster construction is shown, lay wall and pilaster units together to maximum pour height
specified.
D. Grouting, General:
1.
2.
3.
Use "Fine Grout" only where allowed by Section 04220.
Use "Coarse Grout" for typical reinforced masonry construction. Use high-slump where height of any lift
exceeds 4 feet.
Grouting Technique: Per compliance with the manufacturer’s recommendations, use either low lift or highlift grouting techniques subject to the requirements as specified.
E. Low-Lift Grouting:
1.
2.
3.
4.
Provide minimum clear dimension of 2 inches and clear area of 8 square inches in vertical cores to be
grouted.
Place vertical reinforcement before laying of CMU. Extend above elevation of maximum pour height as
required to allow for splicing. Support in position at vertical intervals not exceeding 160 bar diameters.
Lay CMU to maximum pour height. Do not exceed 4 feet height, or if bond beam occurs below 4 feet height
stop pour at course below bond beam.
Pour grout using container with spout or by chute. Rod or vibrate grout during placing. Place grout
continuously. Do not interrupt pouring of grout for more than one hour. Terminate grout pours 1-1/2" below
top course of pour.
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5.
Bond Beams: Stop grout in vertical cells 1-1/2" below bond beam course. Place horizontal reinforcing in
bond beams. Lap at corners and intersections as shown. Place grout in bond beam course before filling
vertical cores above bond beam.
F. High-Lift Grouting:
1.
2.
Do not use high-lift grouting technique for grouting of CMU unless minimum cavity dimension is 3 inches
and 10 square inches, respectively.
Provide clean-out holes in first course at all vertical cells to be filled with grout.
a.
3.
4.
5.
Construct masonry to full height of maximum grout pour specified, before placing grout.
Limit grout lifts to a maximum height of 4 feet and grout pour to a maximum height of 12 feet, for single
wythe hollow concrete masonry walls, unless otherwise indicated.
Place vertical reinforcement before grouting. Place before or after laying masonry units, as required by job
conditions. Tie vertical reinforcement to dowels at base of masonry where shown and thread CMU over or
around reinforcement. Support vertical reinforcement at intervals not exceeding 192 bar diameters nor 10
feet.
a.
b.
6.
7.
Where individual bars are placed after laying masonry, place wire loops extending into cells as
masonry is laid and loosens before mortar sets. After insertion of reinforcement bar, pull loops and
bar to proper position and tie free ends.
Where reinforcement is prefabricated into cage units before placing, fabricate units with vertical
reinforcement bars and lateral ties of the size and spacing shown.
Place horizontal beam reinforcement as the masonry units are laid.
Embed lateral tie reinforcement in mortar joints where shown. Place as masonry units are laid, at the
vertical spacing shown.
a.
8.
Use units with one face shell removed and provide temporary supports for units above, or use
header units with concrete brick supports, or cut openings in one face shell.
Where lateral ties are shown in contact with vertical reinforcement bars, embed additional lateral
tie reinforcement in mortar joints. Place as shown, or if not shown, provide as required to prevent
grout blowout or rupture of CMU face shells, but provide not less than No.2 bars or 8 gage wire
ties spaced 16 inches o.c. for members with 20 inches or less side dimensions, and 8 inches o.c.
for members with side dimensions exceeding 20 inches.
Preparation of Grout Spaces: Before grouting, inspect and clean grout spaces. Remove dust, dirt, mortar
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9.
10.
11.
droppings, loose pieces of masonry, and other foreign materials from grout spaces. clean reinforcing and
adjust to proper position. Clean top surface of structural members supporting masonry to ensure bond.
After final cleaning and inspection, close clean-out holes and brace closures to resist grout pressures.
Do not place grout until entire height of masonry to be grouted has attained sufficient strength to resist
displacement of masonry units and breaking of mortar bond. Install shores and bracing, if required, before
starting grouting operations.
Place grout by pumping into grout spaces unless alternate methods are acceptable to the A/E.
Limit grout pours to sections which can be completed in one working day with not more than one hour
interruption of pouring operation.
a.
b.
c.
d.
12.
13.
3.4
Place grout in lifts that do not exceed 4 feet.
Allow not less than 30 minutes, or more than one hour between lifts of a given pour.
Rod or vibrate each grout lift during pouring operation.
Place grout in lintels or beams over openings in one continuous pour.
Where bond beam occurs more than one course below top of pour, fill bond beam course to within 1 inch
of vertically reinforced cavities, during construction of masonry.
When more than one pour is required to complete a given section of masonry, extend reinforcement
beyond masonry as required for splicing. Pour grout to within 1-1/2" of top course of first pour.
After grouted masonry is cured, lay masonry units and place reinforcement for second pour section
before grouting. Repeat sequences if more pours are required.
LAYING MASONRY WALLS
A.
Draw blocks from more than one pallet at a time during installation. All exterior mortar shall include
manufacturer approved water repellent additive added to each batch in the appropriate dosage rates for
mortar type (M, S or N) per manufacturer’s instructions. Refer to NCMA TEK Notes, available at
www.trenwyth.com, for Hot and Cold weather construction practices.
B.
Ground face units shall be installed by the general contractor or masonry contractor using the best concrete
masonry practices. Ground face units-blocks shall be laid in running bond or stack bond as specified with
the closed tops up. The slots shall face toward the room or area where sound absorption is required as
shown on the plans. Units shall be laid in a full horizontal bed of mortar.
C.
Lay units using the best concrete masonry practices. Install only quality units; reject all defective units as
defined by ASTM C744. Lay Ground face units with the faces level, plumb and true to the line strung
horizontally at the ground face face. Units shall have uniform face joint dimensions of 1/4" both horizontally
and vertically. Tool joints neatly after they are finger-hard to make them straight and uniform. Size and place
cut pieces appropriately to maintain consistency and bond. Slots shall be kept free of mortar and debris and
the exposed mortar at the bottom of each slot shall be neatly tooled. NO RAKE JOINTS unless tuckpointing
with epoxy.
3.5
INSTALLATION
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A.
Provide adequate lighting for masonry work by placing all lighting at a reasonable distance from the wall for
even illumination. Do not use trough lighting.
B.
Align base course properly on the floor slab.
C.
Keep the cove base tight to the slab if vinyl floor tile is to be installed. For thicker flooring, raise cove base
units to the desired height.
D.
Make all unit cuts, including those for bonding, holes, boxes, etc., with motor-driven masonry saws using
either an abrasive or diamond blade. Cut neatly and locate for best appearance. Request architect’s approval
when cutting preference is not clear.
3.6
MORTAR BEDDING AND JOINTING
A.
Lay units with full mortar coverage on head and bed joints taking care not to block cores to be grouted or
filled with masonry insulation.
B.
Tool all mortar joints with thumbprint hard into a mild concave configuration.
C.
Care should be taken to remove mortar from the face of masonry units before it sets.
D.
Tuck-point the joints of scored units for proper appearance. All exterior scored units must be tuckpointed to
prevent water penetration. Rake back the joints with epoxy (Bonsal/Laticrete) to provide superior moisture
prevention.
E.
At interior and exterior locations provide the matching manufacturer-approved water repellent mortar
additive (which may be purchased from manufacturer), following manufacturer’s instructions. Consult
manufacturer for recommendations.
3.7
EPOXY FINISHED JOINTS
A.
Joints shall be grout filled with matching grout color as manufactured from Trenwyth Co.
B.
Make sure to tool mortar joints with a minimum of 1/4" and tuck-point with an approved water-resistant
grout. A typical tuck-pointing grout such as BONSAL® POLYMER MODIFIED SANDED TILE GROUT mixed
with the BONSAL B-7000 EPOXY, or equal may be used. Do not add water or anything else in addition to the
B-7000, which will make it a 100% solid enabling it to be acid and stain resistant.
C.
Recommendations for using BONSAL® – DO NOT FLOAT GROUT ACROSS GROUND FACE SURFACE. THE
PROPER TECHNIQUE IS TO POINT OR USE A MORTAR GUN AND CLEAN AS YOU PROGRESS!
3.8
FLASHING OF MASONRY WORK
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A.
3.9
A.
3.10
A.
3.11
A.
3.12
A.
3.13
A.
3.14
A.
Install flashing at locations shown in the plans and in strict accordance with the details and the best masonry
flashing practices in the industry.
WEEP HOLES AND VENTS
Install weep holes and vents at proper intervals at courses above grade and at any water stops over windows,
doors and beams. Consult NCMA TEK Notes, available at www.trenwyth.com, for additional information on
flashing.
INSPECTION
The ground face facing shall conform to the requirements of ASTM C744 when viewed from a distance of
five (5) feet at right angles to the wall with normal lighting. The concrete masonry units on which the glaze is
molded shall conform to the requirements of ASTM C90.
CLEANING
Keep walls clean daily during installation using brushes or rags and a clean damp cloth. Harsh cleaning
methods after walls have been erected may mar the surface of the blocks. Do not allow excess mortar lumps
or smears to harden on the ground face surfaces. Remove green mortar with a dry cloth. Do not use steel
wood, sandpaper or other abrasives.
FINAL CLEANDOWN
Keep walls clean daily during installation using brushes, rags and the burlap squares supplied on the
Trendstone/Acousta-Wal pallet. Do not allow excess mortar lumps or smears to harden on the finished
surfaces. Harsh cleaning methods after walls have been erected may mar the surface of the blocks.
MAINTENANCE
Ground face masonry units, properly installed and cleaned, need virtually no maintenance other than routine
cleaning with standard commercial grade cleaning agents such as PINESOL® or Fantastik®. Graffiti, paint
or dye stains may need special cleaning methods and products, such as Trenwyth Graffiti Wizard®
environmentally friendly cleaner, or equal. Contact manufacturer for specific cleaning recommendations.
FIELD COAT APPLICATION
For completely finished walls, a finish coat of TRENDCOAT® Acrylic (minimum 20% solids content) or
TRENDCOAT® WB (water-base) is recommended. Apply to all Verastone/Acousta-Wal walls after
cleandown and when the walls are dry. Apply evenly to cover the entire surface without forming drips or
runs. For maximum coverage and best appearance, apply TRENDCOAT Acrylic or TRENDCOAT WB with
airless spray equipment. Consult your Trenwyth representative for further information. TRENDCOAT (clear,
high-solids acrylic) and TRENDCOAT WB (water-based sealer) provides moisture resistance and helps to
cover any scuffs or scratches that may occur during handling and/or installation.
REINFORCED ARCHITCETURAL UNIT MASONRY
Rizo, Carreño & Partners, Inc.
RC&P Project # 09041.00
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3.15
DETAILED INSTALLATION REQUIREMENTS
A.
Always use stack bond construction.
B.
Apply approved penetrating breathable sealer upon full completion of installation.
C.
All approved exterior mortar grout joint products must contain a manufacturer-approved water repellent
mortar additive, carefully following manufacturer’s instructions. This requirement supersedes any other
conflicting requirement in the contract documents.
D.
Always tuckpoint scored joints on interior and exterior applications.
E.
Colored matching with epoxy grouts at all Ground face masonry unit locations. Contact your masonry
representative for specific information and/or requirements.
F.
For slotted units, the units must be laid in a full horizontal bed of mortar. Always lay units with the closed
tops up.
G.
The slots should face toward the noise source. Slots must be kept free of mortar. The exposed mortar at the
bottom of each slot should be neatly tooled and all debris removed. NO RAKE JOINTS unless tuckpointing
with epoxy.
H.
Under no circumstances should the units be laid upside down; that is, with the closed tops down. First, it
would be impossible to lay the units in a full horizontal bed of mortar if they are laid upside down; and,
second, excess mortar would fall into the slots giving an unsightly appearance. If the cavity volume were
reduced by more that 5 to 10% due to mortar falling inside, the acoustical performance of the units would be
altered.
END OF SECTION
REINFORCED ARCHITCETURAL UNIT MASONRY
Rizo, Carreño & Partners, Inc.
RC&P Project # 09041.00
04231
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SECTION 04400 – REINFORCED ARCHITECTUAL UNIT MASONRY – Addendum #1
PART 1 GENERAL
1.01
SUBMITTAL
Submit color samples for selection from manufacturer’s group A, B, C, D or E. Submit product literature,
certifications, test reports and full size sample(s) of each color specified.
1.02
QUALITY ASSURANCE
A.
Certifications: Concrete blocks for grinding shall conform to ASTM C90. After the initial grinding
process to expose the variegated colors of the natural aggregates, the pores and interstices of
Trendstone Plus filled and polished units are filled with a cementitious grout and polished smooth in
a multi-stage polishing process. Both the ground face and filled and polished surfaces shall have a
factory-applied heat-treated acrylic or water- based sealer finish.
B.
All units contain a manufacturer-approved integral water-repellent CMU admixture at the time of
manufacture.
C.
Units shall conform to ASTM C1262 with respect to freezing and thawing. Trendstone Plus filled and
polished units shall conform to the requirements of ASTM C744 with respect to Adhesion, Abrasion,
Color Change and Resistance to Crazing. Unlike polished block, filled and polished units offer
graffiti and stain resistance.
D.
All Trenwyth products conform to ASTM E2432-05 as it pertains to the environmental, economic and
social sustainability relative to buildings.
E.
Trenwyth products offer high thermal mass properties, regional materials and low life-cycle costs.
Units shall have a tighter, smoother face. Mold and moisture resistant, units are easy to clean (never
paint or refinish). Factory-applied water-based sealer emits low VOC’s. Available in a wide color
selection, custom colors and unique shapes and sizes, these units are ideal for interior and exterior
applications. The structural integrity of the unit results in a one-step, single trade installation
process. Trendstone Plus units are graffiti resistant. Units are distributed nationally.
F.
Fire Resistance: Fire rated for up to 4 hours. Define hourly ratings required by NCMA TEK Notes,
available at www.trenwyth.com.
G.
Field Constructed Mock-ups: Construct a sample panel, no less than 4' x 4', of units of each color
and size to be used in the project.
H.
A full size unit is required to illustrate color and texture for approval. Manufacturer requires a sample
panel be installed at the jobsite prior to installation of any Trenwyth product. This panel will represent
both the quality of the product and the workmanship to be expected for the project. The panel must
REINFORCED ARCHITECTUAL UNIT MASONRY
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RC&P Project # 09041.00
04400
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be approved by either the owner or architect for the project. Manufacturer will provide 4" units for a
4' by 4' sample panel at no cost for the material (excluding freight to site).
1.03
DELIVERY, STORAGE AND HANDLING
A.
1.04
Units shall be delivered to the jobsite on covered banded pallets with cardboard between layers.
Store pallets in single stacks on level ground and cover with waterproof covering (e.g., tarpaulins) to
protect the blocks from inclement weather. Handle blocks carefully to avoid breakage and damage to
the finished surfaces.
PROJECT/SITE CONDITIONS
A.
Protection of Work: Cover walls each day after installation to keep open walls protected and dry. After
units are installed they should be protected from damage by other trades performing operations that
can stain or otherwise damage the finished surfaces by covering walls with plastic. Corners should
be protected from damage after installation by covering them with plywood.
PART 2 PRODUCTS
2.01
2.02
2.03
PRODUCT NAME
A.
Trendstone® Mesastone Midwest Selection masonry units
B.
Trendstone Plus® filled and polished masonry units
MANUFACTURER
A.
Anchor Concrete Products (800) 233-1924
One Connelly Road • Emigsville, PA 17318
B.
Northfield Block Company (800) 358-3003
3400 E. Bungalow Road, Morris, IL 60450
C.
Superlite Block (800) 331-9823
4626 N. 42nd Avenue • Phoenix, AZ 85019
RELATED MATERIALS
A.
Colored matching or contrasting mortar is available from manufacturer. Consult NCMA TEK Notes,
available at www.trenwyth.com, for mortar type and specifications. For all exterior mortar, use
matching manufacturer-approved water repellent mortar admixture following manufacturer's
instructions. Consult manufacturer for recommendations.
REINFORCED ARCHITECTUAL UNIT MASONRY
Rizo, Carreño & Partners, Inc.
RC&P Project # 09041.00
04400
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2.04
2.05
SIZES AND SHAPES
A.
Surfaces are manufactured to provide finished dimensions of 7-5/8" x 15-5/8" ± 1/8". Bed depth
dimensions for single face units are 3-9/16", 5-9/16", 7-9/16", 11-9/16" ± 1/8". Two face units are
3-1/2", 5-1/2", 7-1/2", 11-1/2", ± 1/8". Nominal 2", 4", 6", 8", 10" and 12" standard block thickness
are available as well as all standard block shapes. High-strength units for special structural
requirements, over-sized units, and metric shapes and sizes are also available.
B.
Contractor is responsible for coordinating all required shapes, U-blocks, corners, jamb conditions,
caps, sills and any other special assembly configurations required for a proper installation in
accordance with the intent of the constructions documents.
MASONRY CLEANERS
A.
Carefully following manufacturer’s instructions, use Burnished Custom Masonry Cleaner by
PROSOCO (dilute 1 part to 3 parts clean water). Available from manufacturer. Do NOT powerwash
and never use Muriatic Acid solution or any cleaner with an acid base on units.
PART 3 EXECUTION
3.01
3.02
LAYING MASONRY WALLS
A.
Draw blocks from more than one pallet at a time during installation. All exterior mortar shall include
manufacturer-approved matching water-repellent additive added to each batch in the appropriate
dosage rates for mortar type (M, S or N) per manufacturer's instructions. Refer to NCMA TEK Notes,
available at www.trenwyth.com, for Hot and Cold weather construction practices.
B.
Lay units using the best concrete masonry practices. Install only quality units; reject all defective
units as defined by ASTM C90. Lay blocks with the faces level, plumb and true to the line strung
horizontally at the ground or filled and polished face. Units shall have uniform, 3/8"-wide joints both
horizontally and vertically on the finished side of the wall. Tool joints neatly after they are finger-hard
to make them straight and uniform. Size and place cut pieces appropriately to maintain consistency
and bond. Complete masonry construction using procedures and workmanship consistent with the
best masonry practices.
INSTALLATION
A.
Lighting: Provide adequate lighting for masonry work by placing all lighting at a reasonable distance
from the wall for even illumination. Do not use trough lighting.
B.
Cutting: Make all unit cuts, including those for bonding, holes, boxes, etc., with motor-driven
masonry saws, using either an abrasive or diamond blade. Cut neatly and locate for best appearance.
REINFORCED ARCHITECTUAL UNIT MASONRY
Rizo, Carreño & Partners, Inc.
RC&P Project # 09041.00
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3.03
3.04
MORTAR BEDDING AND JOINTING
A.
Lay units with full mortar coverage on head and bed joints taking care not to block cores to be
grouted or filled with masonry insulation.
B.
Tool all mortar joints when thumbprint hard into a concave configuration.
C.
Care should be taken to remove mortar from the face of masonry units before it sets.
D.
Tuckpoint the joints of scored units for proper appearance. All exterior scored units must be
tuckpointed to prevent water penetration. NO RAKE JOINTS.
FLASHING OF MASONRY WORK
A.
3.05
WEEP HOLES AND VENTS
A.
3.06
The faces shall conform to the requirements of ASTM C90 when viewed from a distance of twenty
(20) feet at right angles to the wall with normal lighting.
CLEANING
A.
3.08
Install weep holes and vents at proper intervals at courses above grade and at any water stops over
windows, doors and beams. Consult NCMA TEK Notes, available at www.trenwyth.com, for proper
flashing and drawings.
INSPECTION
A.
3.07
Install flashing at locations shown in the plans and in strict accordance with the details and the best
masonry flashing practices.
Keep walls clean daily during installation using brushes, rags and the burlap squares supplied on the
pallets. Do not allow excess mortar lumps or smears to harden on the finished surfaces. Harsh
cleaning methods after walls have been erected will mar the surface of the blocks.
FINAL CLEANDOWN
A.
Clean the completed walls with PROSOCO Burnished Custom Masonry Cleaner (dilute 1 part to 3
parts clean water), strictly following the manufacturer's instructions – including thorough
rinsing. Do not use acid or abrasives on the finished surfaces. Failure to strictly follow manufacturer’s
instructions can result in permanent damage to the finished faces. Do not apply Burnished Custom
Masonry Cleaner with pressure spray above 50 psi. Do not powerwash.
REINFORCED ARCHITECTUAL UNIT MASONRY
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RC&P Project # 09041.00
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3.09
FIELD COAT APPLICATION
A.
3.10
MAINTENANCE
A.
3.11
For completely finished walls, two finish coats of TRENDCOAT® Acrylic (minimum 20% solids
content) or TRENDCOAT® WB (water-base) are required. Apply to walls after cleandown and when
the walls are dry. Apply the acrylic evenly to cover the entire surface without forming drips or runs.
For maximum coverage and best appearance, apply TRENDCOAT Acrylic or TRENDCOAT WB with
airless spray equipment. Consult manufacturer for further information. This clear, high-solids acrylic,
provides moisture resistance and helps to cover any scuffs or scratches that may occur during
handling and/or installation. TRENDCOAT also offers excellent graffiti resistance for Trendstone Plus
filled and polished units.
Properly installed and cleaned, units need virtually no maintenance other than routine cleaning (i.e.
Pinesol or Fantastik). Graffiti, paint or dye stains may need special cleaning methods and products
such as Trenwyth Graffiti Wizard® environmentally friendly cleaner. Contact manufacturer for
specific cleaning recommendations.
INSTALLATION RECOMMENDATIONS
A.
Consult NCMA TEK Notes, available at www.trenwyth.com, for proper installation of concrete
masonry units.
END OF SECTION
REINFORCED ARCHITECTUAL UNIT MASONRY
Rizo, Carreño & Partners, Inc.
RC&P Project # 09041.00
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SECTION 10532 - WALKWAY COVERS AND METAL CANOPIES – Addendum #1
PART 1
GENERAL
1.01
A.
SUMMARY
Related Sections:
1.
2.
3.
4.
5.
1.02
02200 - Earthwork.
02511 - Asphaltic Concrete Paving.
02529 - Concrete Sidewalks, Straight Curbs, Curbs, Gutters, and Wheel Stops.
03300 - Cast-In-Place Concrete.
05500 - Metal Fabrications.
SUBMITTALS
A.
Submit properly identified manufacturer's product data and descriptive literature before starting work.
B.
Shop Drawings:
1.
C.
Submit shop drawings for review, showing all fabrication details, roof water drainage details, erection
details, anchorage details, and slab and building connection details and flashing details.
Engineering Design Computations:
1.
Submit for record purposes, signed and sealed computations prepared by a Florida registered delegated
specialty professional engineer showing conformance to the applicable requirements of the system to:
a.
b.
Florida Building Code (FBC).
American Society of Civil Engineers (ASCE) 7-98.
1)
PART 2
Determine wind velocity pressure values for the specific project according to ASCE 798 using a wind speed of 146 mph, exposure category "C", and a wind load importance
factor of 1.15.
PRODUCTS
2.01
A.
MANUFACTURERS
Aluminum Walkway Covers and Metal Canopies:
1.
2.
3.
4.
5.
6.
Aluminum Design Concepts, Inc., Austell, GA.
American Walkway Covers, Pompano Beach, FL.
Dittmer Architectural Aluminum, Winter Springs, FL.
Elite Aluminum, Ft. Lauderdale, FL.
E.L. Burns Company, Inc., Shreveport, LA.
Mapes Industries, Inc., Lincoln, NE.
WALKWAY COVERS
Rizo, Carreño & Partners, Inc.
RC&P Project # 10052.00
10532
PAGE 1 of 2
CITY OF MIAMI CAPITAL IMPROVEMENTS PROGRAM
HADLEY PARK YOUTH CENTER
PROJECT NUMBER B-35883A
BID SET 03/25/13
7.
8.
9.
10.
B.
Provide canopy roof components in anodized colors standard to the manufacturer.
1.
2.02
Peachtree Protective Covers, Inc., Kennesaw, GA.
Perfection Architectural Systems, Winter Park, FL.
Protechtal, Odessa, FL.
Seaview Industries, Miami, FL.
Color selection will be made by A/E from manufacturer's standard color selection.
FABRICATION
A.
Fabricate the canopy roof systems completes and in accordance to all the indicated parameters and details of the
construction drawings.
B.
Provide suspended metals canopies above all exterior hollow metal doors on the exterior face of the building
except for doors located within covered walkways.
PART 3
EXECUTION
3.01
INSPECTION
A.
3.02
A.
Do not proceed with the work of this section until conditions detrimental to the proper and timely completion of
the work have been corrected in an acceptable manner.
INSTALLATION
Install prefabricated canopy roof system plumb, true, and level according to manufacturer's recommendations and
accepted shop drawings.
1.
2.
B.
The Contractor shall install all prefabricated parts or assembly systems using tamper proof fasteners.
Repair or replace damaged components at no cost to the City of Miami.
Coordinate connection to storm drain system as shown on construction documents.
END OF SECTION
WALKWAY COVERS
Rizo, Carreño & Partners, Inc.
RC&P Project # 10052.00
10532
PAGE 2 of 2