NEGarageAmend6TOC.pdf

In association with

U.S. Food and Drug Administration (FDA) Northeast Quadrant Silver Springs, MD

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

Project Manual

Project No. 05-5496-00

Amendment No. 4, March 21, 2008

Amendment No. 4

Date 21 March 2008

Project Name GSA/FDA Northeast Quadrant - Parking Garage and Tunnel Extension

Project Location Silver Springs, MD

1.1 Definition

A. An Amendment is a modification to a Construction Issue.

2.1 Definition

A. An Amendment is a modification to a Bid Issue. An Amendment is issued during the bidding period and supersedes previous documentation in the Bid Issue.

3.1 Bidder's Responsibility

A. The Bidder’s proposal shall incorporate this Amendment to the same extent as though it was originally included in the Bid Issue.

B. The Bidder’s proposal confirms receipt of the Amendment as provided in the Form of Proposal.

4.1 Drawings

A. The following Drawings are revised and reissued:

Site Civil

1. Drawing No. C-010 Revision No. 1

Description of Revision:

a. Approved MDE Plans.

2. Drawing No. C-200 Revision No. 1

Description of Revision:

a. Approved MDE Plans.

3. Drawing No. C-405 Revision No. 1

Description of Revision:

a. Approved MDE Plan.

Amendment No. 4

GSA/FDA Northeast Quadrant - Parking Garage and Tunnel Extension

Amendment No. 4, 21 March 2008 Page 2

4. Drawing No. C-406 Revision No. 1

Description of Revision:

a. Approved MDE Plan.

5. Drawing No. C-500 Revision No. 1

Description of Revision:

a. Approved MDE Plan.

6. Drawing No. C-501 Revision No. 1

Description of Revision:

a. Approved MDE Plan.

7. Drawing No. C-510 Revision No. 1

Description of Revision:

a. Approved MDE Plan.

Architectural

1. Drawing No. A-104 Revision No. 1

Description of Revision:

a. Removed miscellaneous notes.

2. Drawing No. A-601 Revision No. 1

Description of Revision:

a. Added louver mounting detail.

5.1 Project Manual

A. The following Specification Sections are revised and reissued:

1. Specification List.

2. Section No. 01341 – Submittal Register.

3. Section No. 04200 – Unit Masonry.

B. The following new Specification Section is issued for construction:

1. Section No. 04720 – Cast Stone

END AMENDMENT NO. 4

SPECIFICATIONS LIST In association with

Is su e fo r C on st ru ct io n, /2

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Bidding and Contract Requirements

00200 Information Available to Bidders O

Division 1 - General Requirements

01010 Summary of Work O 01035 Modification Procedures O 01040 Project Coordination O 01045 Cutting and Patching O 01046 Chases, Openings and Inserts O 01049 Coordination Drawings O 01050 Field Engineering O 01090 Codes, Regulations and Standards O 01095 Definitions and Documentation Standards O 01100 Options O 01151 Unit Prices O 01200 Project Meetings O 01310 Construction Schedules O 01320 Progress Reports O 01340 Submittals O 01341 Submittal Register O REV 01370 Schedule of Values O 01380 Construction Photographs O 01410 Inspection and Testing Services O 01420 Inspection and Testing of Earthwork O 01430 Inspection and Testing of Aggregate Piers (Geopiers) O 01435 Inspection and Testing of Cast-In-Place Concrete O 01443 Inspection and Testing of Asphaltic Concrete O 01445 Inspection and Testing of Masonry O 01450 Inspection and Testing of Steel Framing O 01470 Inspection and Testing of Exterior Enclosure O 01490 Methods and Means Engineering O 01500 Construction Facilities O 01515 Construction Indoor Air Quality (IAQ) Management O 01525 Construction Pollution Controls O 01532 Tree Protection O 01560 Environmental Protection O 01570 Construction Waste Management O 01600 Material and Equipment O 01631 Product Substitutions O 01661 Testing and Balancing of Mechanical Systems O 01700 Project Closeout O 01710 Final Cleaning O 01720 Project Record Documents O 01730 Operation and Maintenance Data O 01740 Warranties and Bonds O

O = Original Issue

REV = Revised

Blank = Future Issue

DEL = Deleted X = Future Issue

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O = Original Issue

REV = Revised

Blank = Future Issue

DEL = Deleted X = Future Issue

Division 2 - Sitework

02070 Selective Demolition O 02100 Site Preparation O 02210 Rough Grading O 02211 Rock Removal O 02220 Structure Excavation O 02221 Utility Excavation O 02225 Fill, Backfill and Compaction O 02260 Finish Grading O 02280 Soil Treatment O 02470 Aggregate Piers (Geopiers) O 02510 Asphaltic Concrete Paving O 02511 Portland Cement Concrete Paving O 02517 Concrete Pavers O 02521 Exposed Aggregate Concrete Paving O 02523 Grass Block Pavers O 02525 Concrete Curbs O 02546 Stone Dust Surfacing O 02580 Pavement Marking O 02667 Site Common Domestic Water/Fire Protection Water System O 02710 Subdrainage System O 02720 Site Storm Drain System O 02730 Site Sanitary Sewer System O 02830 Vegetated Retaining Wall O 02831 Chain Link Fence O 02832 Ornamental Picket Fence O 02843 Site Security Bollards O 02850 Prefabricated Bridges O 02870 Site Furnishings O 02931 Lawns and Grasses O 02948 Cable Trellis Systems O 02950 Trees and Plants O

Division 3 - Concrete

03100 Concrete Formwork O 03200 Concrete Reinforcement O 03250 Concrete Accessories O 03300 Cast-In-Place Concrete O 03316 Post-Tensioned Concrete O 03345 Concrete Flatwork Finishing O 03360 Polished Concrete and Acid Stain O

Division 4 - Masonry

04200 Unit Masonry O REV 04720 Cast Stone O

Division 5 - Metals

05030 Fluoropolymer Coatings O 05500 Metal Fabrications O 05510 Metal Stairs and Railings O 05513 Vehicular Cable Restraints O 05810 Expansion Joint Cover Assemblies O

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O = Original Issue

REV = Revised

Blank = Future Issue

DEL = Deleted X = Future Issue

Division 6 - Wood and Plastic

06100 Rough Carpentry O

Division 7 - Thermal and Moisture Protection

07050 Exterior Enclosure, General O 07105 Parking Garage Waterproofing System O 07120 Fluid-Applied Waterproofing, Exterior Concealed Applications O 07135 Geotextile Bentonite Waterproofing O 07145 Capillary Waterproofing O 07175 Water-Repellant Coatings O 07210 Building Insulation O 07240 Exterior Insulation And Finish System, PB O 07260 Vapor Retarders O 07270 Firestopping O 07410 Metal Panel System O 07525 Modified Bituminous Sheet Roofing O 07553 Green Roof System O 07600 Flashing and Sheet Metal O 07700 Manufactured Fascias and Copings O 07800 Roof Accessories O 07805 Fall Arrest Roof Anchors O 07900 Joint Sealants O

Division 8 - Doors and Windows

08105 Standard Hollow Metal Doors and Custom Frames O 08330 Coiling Doors and Grilles O 08410 Aluminum Entrances and Storefronts O 08520 Aluminum Windows O 08710 Finish Hardware O 08800 Glazing O 08830 Safety Mirror O 08920 Aluminum Curtainwall O

Division 9 - Finishes

09260 Gypsum Wallboard Assemblies O 09510 Acoustical Ceilings O 09801 High-Performance Coatings O 09900 Painting O

Division 10 - Specialties

10200 Louvers O 10260 Wall and Corner Guards O 10440 Traffic and Directional Signage O 10520 Fire Extinguishers and Cabinets O

Division 11 - Equipment

11120 Parking Access Control System O

Division 12 - Furnishings

Not Used

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O = Original Issue

REV = Revised

Blank = Future Issue

DEL = Deleted X = Future Issue

Division 13 - Special Construction

Not Used

Division 14 - Conveying Systems

14240 Hydraulic Elevator O

Division 15 - Mechanical

15000 Mechanical General Requirements O 15005 Preparation for Testing and Balancing of Mechanical Systems O 15011 Identification of Mechanical Equipment and Piping Systems O 15015 Mechanical Demolition, Relocation and Alteration O 15050 Pipe, Valves and Fittings for Mechanical Systems O 15080 Pipe Specialties O 15091 Pipe Sleeves and Seals O 15093 Counterflashing O 15094 Pipe Hangers and Supports O 15147 Sewage Ejector Pumps O 15190 Motors, Starters and Control Panels O 15200 Vibration Control for Mechanical Equipment O 15201 Concrete Equipment Foundations, Pads and Curbs O 15202 Roof Accessories for Mechanical Equipment O 15250 Pipe Insulation O 15258 Ductwork Insulation O 15401 Domestic Water System O 15405 Sanitary Drainage System O 15406 Storm Drainage System O 15421 Drains O 15423 Cleanouts and Access Covers O 15426 Plumbing Specialties O 15500 Water-Based Fire Suppression Systems O 15651 Refrigerant Piping System O 15661 Air-Cooled Condensing Units O 15704 Condensate Drainage Piping System for Air Conditioning

Equipment O

15750 Heating and Cooling Coils O 15753 Electric Heating Coils O 15766 Rooftop Air Conditioning Units O 15776 Split-System Air Conditioning Units O 15820 Fans O 15840 Metal Ductwork O 15860 Duct Accessories O 15861 Dampers O 15870 Air Terminals O 15880 Air Filters O

Division 16 - Electrical

16000 Electrical General Requirements O 16015 Electrical Demolition, Relocation and Alteration O 16052 Sleeves, Inserts and Openings for Electrical Work O 16055 Concrete Housekeeping Pads and Curbs for Electrical Work O 16110 Wireways O 16111 Conduit O 16114 Cable Trays O 16120 Wires and Cables O 16131 Junction, Pull Boxes and Enclosures O 16134 Outlet Boxes O

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O = Original Issue

REV = Revised

Blank = Future Issue

DEL = Deleted X = Future Issue

16140 Wiring Devices, Outlets and Plates O 16155 Individual Motor Starters O 16160 Panelboards O 16180 Safety Switches and Fuses O 16200 Vibration Control for Electrical Equipment O 16400 Power Distribution System Sequences of Operation O 16402 Underground Electric Service O 16405 Single-Ended Unit Substation O 16408 Secondary Switchboard With Group-Mounted Feeder Devices O

16425 15 KV Load-Interrupter Switchgear O 16430 Transient Voltage Surge Suppression and Noise Filtering

System O

16450 Grounding O 16460 Dry-Type Transformers O 16485 Wiring For Elevators O 16500 Lighting O 16601 Lightning Protection System O 16610 Emergency Lighting Uninterruptible Power Supply Systems O 16724 Elevator Recall System O 16727 Security System O 16740 Telephone Service and Computer Raceway System O 16859 Electric Heat-Tracing Cables O 16890 Electric Unit Heaters O 16933 Occupancy Sensor Lighting Control System O 16935 Panelboard Lighting Control System O 16995 Testing Electrical Systems O

Division 17 - Commissioning

17000 Commissioning Requirements O

END

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GSA/FDA Northeast Quadrant - Parking Garage and Tunnel

∗1 Amendment No. 4, 3/21/08 01341, Page 1 of 31 Submittal Register GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

Issue for Construction, 12/21/07

Section 01341 Submittal Register

In addition to the requirements for submissions as specified under Submittals: Division 1, submit to Contracting Officer (COTR) for review, and to Government for record, those items indicated by an "X". In the event of discrepancies between this Section and requirements in individual Specification Sections, the requirements of Specification Section shall govern.

SPEC.

SECTION

NO.

SPEC. SECTION TITLE/

DESCRIPTION OF SUBMITTAL

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

GOV’T.

FOR RECORD

01040 PROJECT COORDINATION:

List of Contractor’s Staff X

List of Contractor’s Consultants X

List of Subcontractors X

List of Principal Suppliers and Fabricators X

01045 CUTTING AND PATCHING:

Demolition Procedures and Operational Sequences

X

Calculations X

01046 CHASES, OPENINGS AND INSERTS:

Information Drawings X

01049 COORDINATION DRAWINGS:

Deviation Requests X

Coordination Drawings X

01050 FIELD ENGINEERING:

Surveyor Data X

Certifications X

Reference Point Survey X

∗1 Amendment No. 4, 3/21/08 01341, Page 2 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SPEC.

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Record Documents X

01310 CONSTRUCTION SCHEDULES:

Quality Control Procedures X

01320 PROGRESS REPORTS:

Quality Control Procedures X

01370 SCHEDULE OF VALUES:

Schedule of Values X

01380 CONSTRUCTION PHOTOGRAPHS:

Quality Control Procedures X

01410 INSPECTION AND TESTING SERVICES:

Quality Control Procedures X

Certifications X

01420 INSPECTION AND TESTING OF

EARTHWORK:

Quality Control Procedures X

01430 INSPECTION AND TESTING OF

AGGREGATE PIERS (GEOPIERS):

01435 INSPECTION AND TESTING OF CAST-

IN-PLACE CONCRETE:

∗1 Amendment No. 4, 3/21/08 01341, Page 3 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

01443 INSPECTION AND TESTING OF

ASPHALTIC CONCRETE:

Samples X

Certifications X

01445 INSPECTION AND TESTING OF

MASONRY:

01450 INSPECTION AND TESTING OF STEEL

FRAMING:

01470 INSPECTION AND TESTING OF

EXTERIOR ENCLOSURE:

Qualifications X

Certifications X

01500 CONSTRUCTION FACILITIES:

Quality Control Procedures X

01515 CONSTRUCTION INDOOR AIR QUALITY

(IAQ) MANAGEMENT:

∗1 Amendment No. 4, 3/21/08 01341, Page 4 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

01532 TREE PROTECTION:

Proposed Methods and Schedule for Effecting Tree and Plant Protection

X

Proposed Methods, Materials and Schedule for Root Pruning, Construction Pruning and Tree Fertilization

X

01570 CONSTRUCTION WASTE

MANAGEMENT:

01600 MATERIAL AND EQUIPMENT:

Certifications X

01661 TESTING AND BALANCING OF

MECHANICAL SYSTEMS:

01700 PROJECT CLOSEOUT:

Quality Control Procedures X

Certifications X

Closeout Submittals X

01720 PROJECT RECORD DOCUMENTS:

Closeout Submittals X

01730 OPERATION AND MAINTENANCE

DATA:

Closeout Submittals X

01740 WARRANTIES AND BONDS:

∗1 Amendment No. 4, 3/21/08 01341, Page 5 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

02070 SELECTIVE DEMOLITION:

Quality Control Procedures X

02210 ROUGH GRADING:

Quality Control Procedures X

02220 STRUCTURE EXCAVATION:

Shop Drawings X

Calculations X

02225 FILL, BACKFILL AND COMPACTION:

Samples X

Quality Control Procedures X

02260 FINISH GRADING:

Quality Control Procedures X

02280 SOIL TREATMENT:

Product Data X

Closeout Submittals X

02470 AGGREGATE PIERS (GEOPIERS):

Shop Drawings X

Product Data X

Calculations X

Quality Control Procedures X

∗1 Amendment No. 4, 3/21/08 01341, Page 6 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

02510 ASPHALTIC CONCRETE PAVING:

Product Data X

Samples X

Quality Control Procedures X

02517 CONCRETE PAVERS:

Manufacturer’s Product Data X

Samples X

Test Report X

02521 EXPOSED AGGREGATE CONCRETE

PAVING:

Preformed Joint Filler X

Manufacturers' Product Data X

Shop Drawings X

02523 GRASS BLOCK PAVERS:

Product Data X

Samples X

02546 STONE DUST SURFACING:

Product Data X

Samples X

02667 SITE COMMON DOMESTIC WATER/FIRE

PROTECTION WATER SYSTEM:

Shop Drawings X

∗1 Amendment No. 4, 3/21/08 01341, Page 7 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

02710 SUBDRAINAGE SYSTEM:

Product Data X

02720 SITE STORM DRAIN SYSTEM:

Shop Drawings X

Product Data X

Quality Control Procedures X

Closeout Submittals X

02730 SITE SANITARY SEWER SYSTEM:

Shop Drawings X

Quality Control Procedures X

Closeout Submittals X

02830 VEGETATED RETAINING WALL:

Product Data X

Samples X

Certifications X

Shop Drawing and Design Analysis X

Geotechnical Soils Report X

Planting Schedule and Drawings X

02831 CHAIN LINK FENCE:

Samples X

∗1 Amendment No. 4, 3/21/08 01341, Page 8 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

02832 ORNAMENTAL PICKET FENCE:

Samples X

Certifications X

02843 SITE SECURITY BOLLARDS:

Shop Drawings X

02850 PREFABRICATED BRIDGES:

Shop Drawings X

Product Data X

Calculations X

Qualifications X

Quality Control Procedures X

Closeout Submittals X

02870 SITE FURNISHINGS:

Shop Drawings X

02931 LAWNS AND GRASSES:

Samples X

Manufacturer’s Product Data X

Certifications X

02948 CABLE TRLLIS SYSTEMS:

Product Data X

02950 TREES AND PLANTS:

∗1 Amendment No. 4, 3/21/08 01341, Page 9 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Manufacturer’s Product Data X

Certificates X

Test Reports X

03100 CONCRETE FORMWORK:

Shop Drawings X

Product Data X

Samples X

03200 CONCRETE REINFORCEMENT:

Shop Drawings X

Product Data X

Certifications X

03250 CONCRETE ACCESSORIES:

Product Data X

Certifications X

03300 CAST-IN-PLACE CONCRETE:

Product Data X

Quality Control Procedures X

03316 POST-TENSIONED CONCRETE:

Shop Drawings X

Product Data X

Calculations X

Certifications X

03345 CONCRETE FLATWORK FINISHING:

∗1 Amendment No. 4, 3/21/08 01341, Page 10 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Certifications X

03360 POLISHED CONCRETE AND ACID

STAIN:

04200 UNIT MASONRY:

Shop Drawings X

Product Data X

Samples X

Quality Control Procedures X

Certifications X

∗1 04720 CAST STONE:

Shop Drawings X

Samples X

Informational Submittals:

Qualification Data X

Test Data X

05030 FLUOROPOLYMER COATINGS:

Product Data X

Samples X

∗1 Amendment No. 4, 3/21/08 01341, Page 11 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

05500 METAL FABRICATIONS:

Shop Drawings X

Product Data X

Certifications X

05510 METAL STAIRS AND RAILINGS:

Shop Drawings X

Product Data X

Samples X

05513 VEHICULAR CABLE RESTRAINTS:

Shop Drawings X

Product Data X

Changed Condition Drawings X

Informational Submittals (Submit separately from other Submittals):

Qualification Data X

Support Reactions Design Data X

Informational Submittals (Submit separately from other Submittals):

Manufacturer’s Instructions X

05810 EXPANSION JOINT COVER

ASSEMBLIES:

∗1 Amendment No. 4, 3/21/08 01341, Page 12 of 31

GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Certifications X

06100 ROUGH CARPENTRY:

Product Data X

07050 EXTERIOR ENCLOSURE, GENERAL:

Shop Drawings X

Product Data X

Calculations X

Quality Control Procedures X

Certifications X

07105 PARKING GARAGE WATERPROOFING

SYSTEM:

Qualifications X

Quality Control Procedures X

Certifications X

Closeout Submittals X

07120 FLUID-APPLIED WATERPROOFING,

EXTERIOR CONCEALED

APPLICATIONS:

∗1 Amendment No. 4, 3/21/08 01341, Page 13 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

07135 GEOTEXTILE BENTONITE

WATERPROOFING:

07145 CAPILLARY WATERPROOFING:

Product Data X

Closeout Submittals X

07175 WATER-REPELLENT COATINGS:

Product Data X

Samples X

Certifications X

Closeout Submittals X

07210 BUILDING INSULATION:

Product Data X

Certifications X

07240 EXTERIOR INSULATION AND FINISH

SYSTEM, PB:

Samples X

Certifications X

07260 VAPOR RETARDERS:

∗1 Amendment No. 4, 3/21/08 01341, Page 14 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

07270 FIRESTOPPING:

Product Data X

Qualifications X

Quality Control Procedures X

Certifications X

Closeout Submittals X

07410 METAL PANEL SYSTEM:

Shop Drawings X

Product Data X

Samples X

Calculations X

Qualifications X

Closeout Submittals X

07525 MODIFIED BITUMINOUS SHEET

ROOFING:

Samples X

Qualifications X

Quality Control Procedures X

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

07553 GREEN ROOF SYSTEM:

Product Data X

Qualifications X

Certifications X

Manufacturer’s Field Reports X

Maintenance Instructions X

Warranty X

07600 FLASHING AND SHEET METAL:

Product Data X

07700 MANUFACTURED FASCIAS AND

COPINGS:

07800 ROOF ACCESSORIES:

Shop Drawings X

Product Data X

Calculations X

Certifications X

Closeout Submittals X

07805 FALL ARREST ROOF ANCHORS:

Shop Drawings X

∗1 Amendment No. 4, 3/21/08 01341, Page 16 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Certifications X

Closeout Submittals X

07900 JOINT SEALANTS:

Product Data X

Samples X

Quality Control Procedures X

Certifications X

Closeout Submittals X

08105 STANDARD HOLLOW METAL DOORS

AND CUSTOM FRAMES:

Samples X

Qualifications X

Certifications X

08330 COILING DOORS AND GRILLES:

Shop Drawings X

Product Data X

Certifications X

08410 ALUMINUM ENTRANCES AND

STOREFRONTS:

∗1 Amendment No. 4, 3/21/08 01341, Page 17 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Qualifications X

Closeout Submittals X

08520 ALUMINUM WINDOWS:

Shop Drawings X

Product Data X

Closeout Submittals X

08710 FINISH HARDWARE:

Shop Drawings X

Product Data X

Templates TO CONTRACTOR

08800 GLAZING:

Product Data X

Samples X

Qualifications X

Quality Control Procedures X

Certifications X

Closeout Submittals X

08830 SAFETY MIRROR:

Product Data X

∗1 Amendment No. 4, 3/21/08 01341, Page 18 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

08920 ALUMINUM CURTAINWALL:

Shop Drawings X

Product Data X

Samples X

Calculations X

Qualifications X

Quality Control Procedures X

Certifications X

Closeout Submittals X

09510 ACOUSTICAL CEILINGS:

Product Data X

Samples X

Qualifications X

09801 HIGH-PERFORMANCE COATINGS:

Product Data X

Samples X

Qualifications X

Certifications X

09900 PAINTING:

∗1 Amendment No. 4, 3/21/08 01341, Page 19 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

10200 LOUVERS:

Shop Drawings X

Product Data X

Samples X

Calculations X

Certifications X

Closeout Submittals X

10260 WALL AND CORNER GUARDS:

Samples X

10440 TRAFFIC AND DIRECTIONAL SIGNAGE:

Product Data X

Samples X

Qualifications X

10520 FIRE EXTINGUISHERS AND CABINETS:

Product Data X

Certifications X

11120 PARKING ACCESS CONTROL SYSTEM:

Product Data X

Closeout Submittals X

14240 HYDRAULIC ELEVATOR:

Scaled or Fully Dimensioned Layout X

Design Information X

∗1 Amendment No. 4, 3/21/08 01341, Page 20 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Power Confirmation Information X

Fixtures X

Finish Material X

15000 MECHANICAL GENERAL

REQUIREMENTS:

15005 PREPARATION FOR TESTING AND

BALANCING OF MECHANICAL

SYSTEMS:

15011 IDENTIFICATION OF MECHANICAL

EQUIPMENT AND PIPING SYSTEMS:

15015 MECHANICAL DEMOLITION,

RELOCATION AND ALTERATION:

15050 PIPE, VALVES AND FITTINGS FOR

MECHANICAL SYSTEMS:

Quality Control Procedures X

Certifications X

15080 PIPE SPECIALTIES:

∗1 Amendment No. 4, 3/21/08 01341, Page 21 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

15091 PIPE SLEEVES AND SEALS:

15094 PIPE HANGERS AND SUPPORTS:

Shop Drawings X

Product Data X

Calculations X

Quality Control Procedures X

Certifications X

15147 SEWAGE EJECTOR PUMPS:

Product Data X

Quality Control Procedures X

Closeout Submittals X

15190 MOTORS, STARTERS AND CONTROL

PANELS:

Quality Control Procedures X

Closeout Submittals X

15200 VIBRATION CONTROL FOR

MECHANICAL EQUIPMENT:

∗1 Amendment No. 4, 3/21/08 01341, Page 22 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

15202 ROOF ACCESSORIES FOR

MECHANICAL EQUIPMENT:

15250 PIPE INSULATION:

Product Data X

15258 DUCTWORK INSULATION:

Product Data X

15401 DOMESTIC WATER SYSTEM:

Product Data X

15406 STORM DRAINAGE SYSTEM:

Product Data X

Quality Control Procedures X

Closeout Submittals X

15421 DRAINS:

Product Data X

15423 CLEANOUTS AND ACCESS COVERS:

Product Data X

15426 PLUMBING SPECIALTIES:

Product Data X

Closeout Submittals X

15500 WATER-BASED FIRE SUPPRESSION

∗1 Amendment No. 4, 3/21/08 01341, Page 23 of 31

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Field Test Reports and Certificates X

Certifications X

Quality Control Procedures X

Calculations X

Closeout Submittals X

15651 REFRIGERANT PIPING SYSTEM:

Product Data X

Quality Control Procedures X

Closeout Submittals X

15661 AIR-COOLED CONDENSING UNITS:

Shop Drawings X

Product Data X

Closeout Submittals X

15704 CONDENSATE DRAINAGE PIPING

SYSTEM FOR AIR CONDITIONING

EQUIPMENT:

15750 HEATING AND COOLING COILS:

Product Data x

Qualifications X

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GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

15753 ELECTRIC HEATING COILS:

Product Data X

Quality Control Procedures X

Certifications X

15766 ROOFTOP AIR CONDITIONING UNITS:

Shop Drawings X

Product Data X

Certifications X

Closeout Submittals X

15776 SPLIT-SYSTEM AIR CONDITIONING

UNITS:

Quality Control Procedures X

Certifications X

Closeout Submittals X

15820 FANS:

Shop Drawings X

Product Data X

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GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

15840 METAL DUCTWORK:

Quality Control Procedures X

Certifications X

15861 DAMPERS:

Product Data X

Certifications X

Closeout Submittals X

15870 AIR TERMINALS:

Product Data X

Samples X

Quality Control Procedures X

Closeout Submittals X

15880 AIR FILTERS:

Product Data X

Closeout Submittals X

16000 ELECTRICAL GENERAL

REQUIREMENTS:

16015 ELECTRICAL DEMOLITION,

RELOCATION AND ALTERATION:

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GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

16052 SLEEVES, INSERTS AND OPENINGS

FOR ELECTRICAL WORK:

16114 CABLE TRAYS:

Shop Drawings X

Product Data X

Samples X

16120 WIRES AND CABLES:

Product Data X

Quality Control Procedures X

Certifications X

16155 INDIVIDUAL MOTOR STARTERS:

Shop Drawings X

Product Data X

16160 PANELBOARDS:

Shop Drawings X

Product Data X

16180 SAFETY SWITCHES AND FUSES:

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GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

16200 VIBRATION CONTROL FOR

ELECTRICAL EQUIPMENT:

Certifications X

16402 UNDERGROUND ELECTRIC SERVICE:

Shop Drawings X

Product Data X

Calculations X

16405 SINGLE-ENDED UNIT SUBSTATION:

Shop Drawings X

Product Data X

Quality Control Procedures X

Certifications X

Closeout Submittals X

16408 SECONDARY SWITCHBOARD WITH

GROUP-MOUNTED FEEDER DEVICES:

Quality Control Procedures X

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

16425 15 KV LOAD - INTERRUPTER

SWITCHGEAR:

Quality Control Procedures X

Certifications X

Closeout Submittals X

16430 TRANSIENT VOLTAGE SURGE

SUPPRESSION:

Quality Control Procedures X

Certifications X

Closeout Submittals X

16450 GROUNDING:

Quality Control Procedures X

16460 DRY-TYPE TRANSFORMERS:

Shop Drawings X

Product Data X

16500 LIGHTING:

Shop Drawings X

Product Data X

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

Closeout Submittals X

16601 LIGHTNING PROTECTION SYSTEM:

Shop Drawings X

Product Data X

Certifications X

Closeout Submittals X

16610 EMERGENCY LIGHTING

UNINTERRUPTIBLE POWER SUPPLY

Quality Control Procedures X

Certifications X

Closeout Submittals X

16724 ELEVATOR RECALL SYSTEM:

Shop Drawings X

Product Data X

Quality Control Procedures X

Closeout Submittals X

16727 SECURITY SYSTEM:

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

16740 TELEPHONE SERVICE AND COMPUTER

RACEWAY SYSTEM:

16859 ELECTRIC HEAT-TRACING CABLES:

Shop Drawings X

Product Data X

Calculations X

Quality Control Procedures X

Closeout Submittals X

16890 ELECTRIC UNIT HEATERS:

Quality Control Procedures X

Certifications X

16933 OCCUPANCY SENSOR LIGHTING

CONTROL SYSTEM:

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SUBMIT TO

COTR

FOR REVIEW

SUBMIT TO

16935 PANELBOARD LIGHTING CONTROL

SYSTEM:

Quality Control Procedures X

Closeout Submittals X

16995 TESTING ELECTRICAL SYSTEMS:

Quality Control Procedures X

17000 COMMISSIONING REQUIREMENTS:

Work Schedules X

Startup Procedures X

Work Plans X

Certification of Work Conditions X

Field Reports X

Checklist Forms X

Commissioning Record X

END

∗1 Amendment No. 4, 3/21/08 04200, Page 1 of 19 Unit Masonry GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

Section 04200 Unit Masonry

Part 1 General

1.1 Summary (Non-inclusive)

A. Section Includes: Manufactured unit masonry for Project, including concrete masonry units and as follows:

1. Accessories related to unit masonry work, for example, mortar, reinforcement, anchorage and masonry lintels.

1.2 Related Work Specified Elsewhere (Non-inclusive)

A. Applicable Sections: Division 1.

B. Inspection and Testing Services: Division 1.

C. Inspection and Testing of Masonry: Division 1.

D. Concrete Reinforcement: Division 3.

E. Exterior Enclosure, General: Division 7.

F. Building Insulation: Division 7.

G. Vapor Retarders: Division 7.

H. Flashing and Sheet Metal: Division 7.

I. Joint Sealants: Division 7.

J. Painting: Division 9.

1.3 Submittals

A. Submit per the requirements of Division 1.

B. Shop Drawings:

1. Reinforcement Placement Drawings: For each piece of reinforcing bar larger than a No. 3.

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C. Product Data:

1. For each type of reinforcement, anchorage, cleaning products and accessories.

D. Samples:

1. Full-size Samples of typical face brick and ground face masonry units for COTR's review and approval. Samples shall indicate full range of color and texture variation.

2. Free Standing Test Mock-up.

E. Quality Control Procedures:

1. Cleaning Procedures: As recommended in writing by manufacturer of masonry and cleaning agent.

Customize to suit the Work.

2. Preconstruction Testing: As indicated.

F. Certifications:

1. Certifications from material manufacturers of compliance with Referenced Standards and

Specifications, including UL Certificates for fire rated Concrete Masonry Units.

2. Certifications from each material manufacturer of Unit Masonry that cleaning products are compatible and have not deleterious effect.

1.4 Definitions

A. Control Joints:

1. In Concrete Masonry Units (CMU): A continuous weakened plane to accommodate initial shrinkage of masonry.

2. ∗1 In Brick: Creates an open plane in wythe to allow initial expansion.

B. Expansion Joints: A continuous break in entire structure of building and are not necessarily specified in this Section. Note that Brick Institute of America and other similar technical organizations use term

"expansion joint" for control joints in brick and tile. When interpreting required reference standards it is

Contractor's responsibility to coordinate meaning of each term with its appropriate usage in

Specifications.

1.5 Quality Assurance

A. Manufacturer’s Qualifications: Manufacturer of each unit masonry product shall have a minimum ten

(10) years experience. Company shall demonstrate through written documentation successful completion of five (5) projects of similar scope and complexity in last three (3) years.

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B. Mason’s Qualifications: Installer of unit masonry shall be a company specializing in performing Work of this Section with minimum five (5) years experience. Company shall demonstrate through written documentation successful completion of five (5) projects of similar scope and complexity in last three (3) years.

C. Accessory Manufacturer’s Qualifications: Manufacturer of each accessory product shall be a company specializing in manufacture of products specified in this Section with minimum five (5) years experience.

Company shall demonstrate through written documentation successful completion of five (5) projects of similar scope and complexity in last three (3) years.

D. Single Source Requirements: Each of types of products and materials listed below shall be furnished by a single manufacturer for entire Project.

1. Concrete Masonry Units.

2. ∗1 Brick.

3. Reinforcement, Ties and Anchors.

4. Mortar and Grout Materials including Pigments and Admixtures.

5. Cleaning Agent.

E. Referenced Codes and Standards: Comply with the following per requirements of Division 1.

1. Brick Institute of America (BIA): “Technical Notes”

2. Portland Cement Association (PCA): “Concrete Masonry Handbook”

3. National Concrete Masonry Association (NCMA): “TEK Manual for Concrete Masonry Design and

Construction”

F. Regulatory Requirements:

1. Comply with technical requirements of ACI530.1/ASCE6 ”Specifications for Masonry Structures” except for any requirements which may conflict with responsibilities of Contractor, Government and

COTR as required by Contract.

2. Fire Performance: Where indicated, provide materials and construction identical to those assemblies whose fire resistance has been determined in accordance with ASTM E 119, by a

Inspection and Testing Agency, by equivalent concrete masonry thickness, or by other means, as acceptable to authorities having jurisdiction.

G. Preinstallation Conference: Participate in preinstallation meeting specified in Exterior Enclosure, General: Division 7.

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H. Masonry Inspection and Testing shall be performed in conjunction with this Work as specified in

Division 1.

1. Furnish materials to Agency for testing as required.

2. Provide free access to portions of Work and cooperate with appointed firm.

3. Submit mortar mix designs and sample prisms for review prior to commencement of Work.

4. If materials do not conform, select new materials and mixes, and resubmit for retesting. Contractor shall pay for retesting.

1.6 Delivery, Handling And Storage

A. Prior to delivery, pack special units such as ground face, in such manner as to protect faces and edges from damage.

B. Deliver masonry materials to Project Site in undamaged condition.

C. Store and handle masonry units off ground, under cover, and in a dry location to prevent their deterioration or damage due to moisture, temperature changes, contaminants, corrosion, and other causes. If units become wet, do not place until units are in an air-dried condition.

D. Store cementitious materials off ground, under cover, and in a dry location.

E. Store aggregates on tarps, paving or other hard, clean surface where grading and other required characteristics can be maintained and contamination avoided.

F. Store masonry accessories, including metal items, to prevent corrosion and accumulation of dirt and oil.

1.7 Project Conditions

A. Cold-Weather Construction: Comply with referenced unit masonry standard for cold-weather construction and the following:

1. Do not lay masonry units that are wet or frozen.

2. Remove masonry damaged by freezing conditions.

B. Hot-Weather Construction: Comply with referenced unit masonry standard.

1. ∗1 At brick surfaces, comply with BIA Technical Note 20.

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Part 2 Products

2.1 Accepted Manufacturers

A. Products of indicated manufacturers are acceptable. Equivalent products of other manufacturers will be evaluated as substitutions, unless otherwise indicated, in accordance with requirements of Division 1.

1. Old Castle.

2. E. P. Henry.

3. BET CO.

2.2 Mortar

A. Materials:

1. Cementitious materials, admixtures and sand and admixtures shall remain same throughout entire

Work where exposed to view.

2. Comply with ASTM C 270 and as indicated. Cementitious materials shall be Portland cement and lime only. Masonry cement is not acceptable.

3. Portland Cement: ASTM C 150, Type I.

4. Sand and Aggregates: ASTM C 144: Shade of sand shall be subject to approval.

5. Lime: ASTM C 207, Type S.

6. Water: Potable public supply and free of detrimental content.

7. ∗1 Pigment: Mineral oxide pigment, sunfast and lime proof, with specific gravity approximating that of Portland cement. Pigment shall not exceed 5 percent of the weight of the Portland cement.

Carbon black shall not exceed 2 percent of the weight of Portland cement. To Achieve color of mortar desired, use colored aggregate alone, or blend with pigment. Acceptable Manufacturers:

Solomon, Glen Gery and Flamingo.

a. ∗1 Pigmented mortar shall match color as selected by COTR from full range of standard colors.

B. Mortar Mixes:

1. Mortar mixes shall comply with ASTM C 270 as follows:

a. ∗1 Site Retaining Walls - Type S with a minimum 28 day compressive strength of 13 mPa 75 percent water retention. Proportion shall be one (1) part Portland cement to ¼ to ½ part hydrated lime. Aggregate ratio shall be 2 1/4 to 3 times sum of separate volumes of cement and lime.

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b. Below grade - Type M with a minimum 28 day compressive strength of 17 mPa 75 percent water retention. Proportion shall be one (1) part Portland cement to 1/4 part hydrated lime.

Aggregate ratio shall be 2 1/4 to 3 times sum of separate volumes of cement and lime.

c. Exterior above grade - Type N with a minimum 28 day compressive strength of 4 mPa 75 percent water retention. Proportion shall be one (1) part Portland cement to 1/2 to 1 1/4 part hydrated lime. Aggregate ratio shall be 2 1/4 to 3 times sum of separate volumes of cement and lime.

d. Interior - Type O with a minimum 28 day compressive strength of 3 mPa 75 percent water retention. Proportion shall be one (1) part Portland cement and 1 1/4 to 2 1/2 parts hydrated lime. Aggregate ratio shall be 2 1/4 to 3 times sum of separate volumes of cement and lime.

2. Trial Batches For Sample Panel: After material sources have been established and approved, mix trial batches of types required in shades and colors. Once mortar ingredient proportions are established for strength and appearance and approved in Sample Panel, maintain same mortar mixture(s) for entire Work.

3. Add mortar color and admixtures in accordance with manufacturer's written recommendations.

Ensure uniformity of mix and coloration.

4. Do not use anti-freeze compounds to lower freezing point of mortar.

5. Use mortar within two (2) hours of mixing. Do not retemper mortar after two (2) hours of mixing.

2.3 Grout Materials

A. High slump grout complying with ASTM C 476 with the following 28 day compressive strength when tested in accordance with ASTM C 1019:

1. 14 mPa: Grout for ASTM C 90 unit.

2. 22 mPa: Grout for IVANY unit.

2.4 Concrete Masonry Units

A. Concrete Block:

1. Type Contractor’s Option:

a. Load Bearing Units: ASTM C 90.

b. Non-load Bearing Units: ASTM C 129, Type I moisture controlled.

2. Weight Classification Contractor’s Option:

a. Light Weight: Maximum 1680 kg/cu m.

b. Medium Weight: 1680 kg/cu m to less than 2000 kg/cu m.

c. Normal Weight: 2000 kg/cu m or more.

3. Units shall be uniform in color and texture, free of water smears, surface or web cracks, spalls or broken corners within limits of reference standard. Surface effect shall be tight, texture shall be fine

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GSA/FDA Northeast Quadrant – Parking Garage and Tunnel for exposed or painted units. Units to receive plaster or stucco shall have an open surface effect and coarse texture.

4. Unit Face Size, Nominal: 190 mm by 390 mm.

5. Units with narrow core in center web for ease of splitting shall not be used as full-size stretcher units.

6. Provide special shape units for control joints, exposed end units, bond beams, and lintels and as indicated.

7. External corners of exposed work shall have square corners, unless otherwise indicated.

8. Units shall have two (2) cores and nominal depth as indicated.

9. Recycled Content Block (Load Bearing): Provide units with structural grade expanded shale, clay or slate content, equal to SmartWall Systems, manufactured by a producer certified by the

Expanded Shale Clay and Slate Institute. Comply with ASTM C 90 and C 331.

B. Fire Rated Units: Units in fire rated walls shall be produced per UL 618 or tested per UL 263 for required hourly rating or as otherwise acceptable to code authority having jurisdiction. Submit UL Certificates identifying Classifications of Concrete Masonry Units and approved manufacturer.

C. Concrete Building Brick: ASTM C 55 Type I, Grade N. Concrete building brick may be used as fillers for

Work concealed from view, or in exposed to view Work if indicated. For exposed to view Work, use same aggregate as for Concrete Masonry Units.

2.5 ∗1 Face Brick

A. ∗1 General

1. ∗1 Clay or shale solid masonry facing brick units, ASTM C 216, Grade SW, Type FBX.

B. ∗1 ASTM C216 with the following additional requirements: (1) Waiver of saturation coefficient requirement not allowed; (2) 50 cycle freezing and thawing test, ASTM C67, mandatory; and (3) test results dated within last six months of submittal.

1. ∗1 Type FBX.

2. ∗1 Grade SW.

3. ∗1 Size: As Indicated on Drawings.

4. ∗1 Color and Texture Basis of Design: Brick shall match the exterior brick on Building 1 – 49 percent Cushwa #40 Santa Fe x 49 percent Cushwa #30 Rose Full Range with 2 percent clinkers.

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GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

Refer to Finish Material list for acceptable alternates. Brick stretcher size shall be standard modular.

5. ∗1 Provide special shapes where indicated.

C. ∗1 Cored brick will not be acceptable for use where cores will be exposed to view.

2.6 Reinforcement, Ties And Anchors

A. General:

1. Acceptable manufacturers are listed below. Equivalent products of other manufacturers will be evaluated as substitutions in accordance with requirements of Division 1.

a. Dur-O-Wal.

b. A. A. Wire Products Company.

c. Heckmann Building Products, Inc.

d. Hohmann & Barnard, Inc.

e. Wire-Bond.

2. Materials shall be as listed, unless otherwise indicated:

a. Galvanized Steel: ASTM A 82 Carbon Steel Wire, ASTM A 1008/ A1008M Carbon Steel Sheet Metal, ASTM A 36 Steel Plate, Hot Dip Galvanized After Fabrication per ASTM A 153 Class B-1 or B-2 to suit material thickness.

3. Embedment shall be as per ACI 530 and as follows:

a. Horizontal reinforcing and ties parallel to wythe shall be 60 mm for nominal 100 mm wythes and 50 mm narrower than nominal wythe thickness for all others.

b. Ties perpendicular to wythe shall extend minimum half way into wythe thickness but shall maintain minimum 16 mm cover from exterior face of wall.

4. Custom fabricate reinforcement, ties and anchors for Project conditions. Custom fabricate horizontal reinforcing tees and intersection for other than 90 degree conditions. Custom fabricate curved sections of horizontal reinforcing to radius required.

B. Horizontal Joint Reinforcing: Single Wythe:

1. Type: Truss.

2. Sidewires: 4 mm.

3. Crosswires: 4 mm.

C. ∗1 Horizontal Joint Reinforcing: Double Wythe:

1. ∗1 Type: Ladder.

2. ∗1 Sidewires: 4 mm.

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GSA/FDA Northeast Quadrant – Parking Garage and Tunnel

3. ∗1 Number of sidewires: 3.

4. ∗1 Crosswires: 4 mm.

D. Wall Ties: 5 mm wire rectangular box ties, 50 mm wide.

E. Non-Load-Bearing Wall Intersection Anchor: Wire mesh of 13 mm grid of 1.6 mm wire 25 mm narrower than wythe by 400 mm long.

F. Lateral Restraint Anchor Stainless Steel: Two (2) parallel 3 mm wires encased in 0.8 mm sheet metal sleeves, one (1) sleeve each and, fabricated to slide along wires and bond to masonry or anchor to adjacent structure. Anchor shall allow thermal movement of masonry or deflection of structure while resisting lateral loading normal to masonry. (Dur-O-Wal D/A 2200) or approved equivalent.

G. Loose Clips: Angles, bent plates and similar fabrication indicated are specified in Metal Fabrications:

Division 5.

2.7 Steel Reinforcement

A. Deformed ASTM A 615/A 615M Grade 60 bars fabricated as specified in Concrete Reinforcement:

Division 3; sizes as indicated on Drawings. Provide bar positioners of standard 4 mm wire with mill galvanized finish.

2.8 Joint Filler

A. Concrete Masonry Control Joint Keys: ASTM D 2000, 2AA-805 rubber shear keys with a minimum durometer hardness of 75 to 85. Size to fit wythe and sash block slot.

B. Compressible Filler: Closed cell neoprene sponge, ASTM D 1056 Class RE41, with 50 percent minimum compressibility in widths that permit sealant.

2.9 Weep-Hole Material

A. Product (Contractors Option):

1. Ultraviolet-resistant plastic cellular vent sized to fill a standard modular brick head joint, resistant to insects and free draining.

2. 90 percent open polyester mesh bonded with flame-retardant adhesive, sized to fill a standard modular brick head joint, resistant to insects and free draining, Mortar Net Weep Vents by Mortar

Net USA, Ltd.

B. Color selected by COTR from manufacturer’s standard colors.

C. At lipped masonry, cut weep hole vent to match lip.

2.10 Vapor Retarders

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A. As specified in Vapor Retarders: Division 7.

2.11 Flashing

A. As specified in Flashing and Sheet Metal: Division 7.

B. Shop fabricate sheet metal flashing including accessories, terminations and end dams.

2.12 Joint Sealants

A. As specified in Joint Sealants: Division 7.

2.13 Cell Closure Mesh

A. Galvanized wire mesh of 13 mm grid of 1.6 mm wire.

2.14 Insulation

A. Insulation is specified in Building Insulation: Division 7. Insulation and adhesive shall be compatible with vapor retarder.

2.15 Cleaning Solution

A. Contractor’s Option:

1. Job mixed detergent solution of trisodium phosphate and laundry detergent 118 milliliters dry measure of each dissolved in 3.78 liter of water.

2. Proprietary cleaners without strong acids shall be compatible with masonry.

2.16 Lintels And Shelf Angles

A. Steel Shelf Angles with Concrete Inserts, and Other Structural Steel Supports of Masonry: Metal

Fabrications: Division 5.

B. Lintels (Contractor’s Option):

1. CMU Reinforced Bond Beams: Formed bond beam units with reinforcing bars placed as indicated and filled with coarse grout. Cure precast bond beam lintels before handling and installing.

2.17 Dampproofing

A. Dampproofing is specified in Thermal and Moisture Protection: Division 7.

2.18 Pea Gravel

A. Well washed, rounded gravel, maximum 5 percent passing a 13 mm screen, 0 percent passing a 3 mm screen and minimum 100 percent passing a 13 mm screen.

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B. At Contractor’s option, one (1) of the following mortar dripping control devices may be used in lieu of gravel. Match cavity width.

1. Mor-Control by Dur-O-Wal, Inc.

2. Mortar Net by Mortar Net USA, Ltd.

3. Mortar Maze by Advanced Building Products, Inc.

Part 3 Execution

3.1 Examination

A. Examine substrate conditions including, but not limited to, foundations, concrete work and structural steel, vapor retarder, flashing, insulation, metal fabrications and hollow metal for compliance with requirements for installation tolerances and other conditions affecting performance of unit masonry.

B. Examine rough-in and built-in construction to verify actual locations of connections prior to installation.

C. Do not proceed until unsatisfactory conditions have been corrected.

3.2 Preparation

A. Ensure items built-in by Work of other Sections for this Work are properly located and sized.

B. Establish lines, levels, and coursing. Protect from disturbances.

C. Lay out walls in advance for accurate spacing of bond patterns with uniform joint widths and for accurate locating of openings, movement-type joints, returns, and offsets. Avoid the use of less-than-half-size units at corners, jambs, and where possible at other locations.

D. Broom clean concrete surfaces to support masonry. If surface is smooth finished roughen surface with a bush hammer to ensure masonry bond.

3.3 Installation: General

A. Comply with Referenced Standards, unless otherwise indicated.

B. Thickness: Build cavity and composite walls and other masonry construction to full thickness indicated.

Build single-wythe walls to actual thickness of masonry units, using units of nominal thickness indicated.

C. Build chases and recesses as indicated or required to accommodate items specified in this and other

Sections. Provide minimum 200 mm of masonry between chase or recess and jamb or openings and between adjacent chases and recesses.

D. Leave openings for equipment to be installed before completion of masonry. After installation, complete masonry to match adjacent construction.

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E. Cut masonry units with motor-driven saws to provide clean, sharp, unchipped edges. Cut units as required to provide continuous pattern and to fit adjoining construction. Use full-size units without cutting where possible.

F. Protection: Protect masonry work from freezing and entry of water. Cover and secure top of each day's work with nonstaining waterproof coverings.

G. Scaffolding: Work from scaffolding on side of wall exposed to view. When both sides of a wall shall be exposed to view, work from scaffolding on both sides of wall. Do not overhand lay face units.

H. Unless otherwise indicated, build masonry full height to underside of structure. Nonbearing walls shall stop 19 mm clear of structure. Prepare top joint for premolded joint filler and sealant.

I. Stopping and Resuming Work: In each course, rack back one-half (1/2) unit length for one-half (1/2) running bond; do not tooth. Clean exposed surfaces of set masonry, wet clay masonry units lightly, if required, and remove loose masonry units and mortar prior to laying fresh masonry.

J. Mortar Joints: Provide full bed and head mortar joints. Do not deeply furrow mortar beds. Head joints must be fully buttered with mortar and shoved tight against adjacent unit. Slushing head joints is not allowed. Units shall not be moved, tapped or realigned after initial placement. If a unit is displaced, all head and bed mortar must be removed and procedure started over.

K. Building In: Construct unit masonry work to accommodate built-in Work. Build masonry into frames and against dissimilar Work. Slush frames full with mortar and build in anchorage furnished with dissimilar

Work. For heavy items installed into masonry, provide a grout bed of 1:3 Portland cement sand mix and use wedges to relieve weight on grout. Rake joints 19 mm deep between exposed masonry and dissimilar Work to accommodate sealant. Build in Work furnished under other Specification Sections.

L. Tolerances:

1. Maximum Variation From Masonry Unit to Adjacent Masonry Unit: 1.5 mm.

2. Maximum Variation From Vertical and Horizontal Building Lines: 6 mm in 3048 mm.

3. Maintain flush face on exposed masonry surfaces.

3.4 Laying Concrete Masonry Units

A. Bond Pattern: One-half (1/2) running bond unless otherwise indicated and Stack bond as indicated on

Drawings.

B. Mortar: Above grade, use Type N for exterior and Type O or Type N for interior. Below grade, use Type

M.

C. Lay units with cores vertical.

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GSA/FDA…