ADDENDUM NO. 2 - Bid4Michigan113350/… · A. Deliver factory-built visual display boards, including trim, completely assembled in one piece without joints, where ... Matte Finish:

Integrated Design Solutions Architecture, Engineering, Interiors & Technology

ADDENDUM NO. 2

Issue Date: May 23, 2013

Project Name: Grand Rapids Community College

Main Building Infrastructure Renovation

Bid Package No. 5

Grand Rapids, Michigan

ids Project No.: 12200-2000

This Addendum is issued prior to receipt of bids in order to modify or interpret the

Bidding Documents by additions, deletions, clarifications or corrections. Bidders are to

indicate receipt of this Addendum in the space provided on the Bid Form.

NEW OR REVISED DOCUMENTS ISSUED WITH THIS ADDENDUM

Project Manual Documents: 101100

Drawings: A2.2, A8.1, E0.2, E2.2, E6.1, E7.2

Sketches: None

PROJECT MANUAL DOCUMENTS DELETED OR REVISED BUT NOT ISSUED

None

DRAWINGS DELETED OR REVISED BUT NOT ISSUED

Item No. 1 Drawings A3.2 and A9.1

A. Women’s Room 243 on Drawing A3.2: Revised to indicate

new ceiling acoustical panels and grid. Revised room

schedule on Drawing A9.1 for Women’s Room 243 new

ceiling.

cc: File

f:\2012\12200\2000\specs\bid pack 5\add002.docx

Grand Rapids Community College


Bid Package 5 GRCC RFP No. 1213-5216

Grand Rapids, Michigan IDS Project No. 12200-2000

f:\2012\12200\2000\specs\bid pack 5\101100 add002.doc VISUAL DISPLAY SURFACES 10 1100-1 Issued, 05/23/13; Add. No. 2

SECTION 10 1100 - VISUAL DISPLAY SURFACES

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary

Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Markerboards.

2. Relocate existing markerboards and tackboards.

3. Tackboards.

B. Related Sections include the following:

1. Room Finish Schedule on Drawings.

1.3 DEFINITIONS

A. Visual Display Boards: Markerboards, and tackboards.

1.4 SUBMITTALS

A. Product Data: For each type of product indicated.

B. Shop Drawings: Include plans, elevations, sections, details, and attachments to other work.

1. Show location of panel joints.

2. Include sections of typical trim members.

C. Samples: For each type of visual display surface indicated and as follows:

1. Actual sections of porcelain-enamel face sheets.

2. Fabric swatches of fabric-faced tack assemblies.

D. Maintenance Data: For visual display surfaces to include in maintenance manuals.

E. Warranties: Special warranties specified in this Section.

F. Fire Performance Affidavit: Signed by tackboard manufacturer indication, surface-burning

characteristics of tackboard fabrics.

1.5 QUALITY ASSURANCE

A. Installer Qualifications: An authorized representative of visual display unit manufacturer for

installation of units required for this Project.

B. Source Limitations: Obtain each type of visual display surface through one source from a single

manufacturer.






C. Fire-Test Characteristics: Provide fabrics with the surface-burning characteristics indicated, as

determined by testing per ASTM E 84 by UL or another testing and inspecting agency acceptable

to authorities having jurisdiction.

1.6 DELIVERY, STORAGE AND HANDLING

A. Deliver factory-built visual display boards, including trim, completely assembled in one piece

without joints, where possible. If dimensions exceed maximum manufactured panel size, provide

two or more pieces of equal length as acceptable to Architect. When overall dimensions require

delivery in separate units, prefit components at the factory, disassemble for delivery, and make

final joints at the site.

B. Store visual display units vertically with packing materials between each unit.

1.7 PROJECT CONDITIONS

A. Field Measurements: Verify dimensions by field measurements before fabrication and indicate

measurements on Shop Drawings.

1. Established Dimensions: Where field measurements cannot be made without delaying the

Work, establish dimensions and proceed with fabricating visual display surfaces without

field measurements. Coordinate wall construction to ensure that actual dimensions

correspond to established dimensions.

2. Allow for trimming and fitting where taking field measurements before fabrication might

delay the Work.

1.8 WARRANTY

A. Special Warranty for Porcelain-Enamel Face Sheets: Manufacturer's standard form in which

manufacturer agrees to repair or replace porcelain-enamel face sheets that fail in materials or

workmanship within specified warranty period.

1. Failures include, but are not limited to, the following:

a. Surfaces lose original writing and erasing qualities.

b. Surfaces become slick or shiny.

c. Surfaces exhibit crazing, cracking, or flaking.

2. Warranty Period: Life of the building.

PART 2 - PRODUCTS

2.1 MATERIALS – GENERAL

A. Porcelain-Enamel Face Sheet: Manufacturer's standard steel sheet with porcelain-enamel

coating fused to steel; uncoated thickness indicated.

1. Matte Finish: Low reflective; chalk wipes clean with dry cloth or standard eraser.

a. Product: No. 92 White as manufactured by Claridge Products & Equipment, Inc. or

equal by one of the following:

1) Marsh Industries, Inc.

2) Platinum Visual Systems; a division of ABC School Equipment, Inc.






b. Typical unless gloss finish is indicated on Drawings.

2. Gloss Finish: Low gloss; dry-erase markers wipe clean with dry cloth or standard eraser.

Suitable for use as projection screen.

a. Product: No. 75 Low Gloss as manufactured by Claridge Products & Equipment, Inc.

or equal by one of the following:

1) Marsh Industries, Inc.

2) Platinum Visual Systems; a division of ABC School Equipment, Inc.

b. Install where indicated on Drawings.

B. Particleboard: ANSI A208.1, Grade 1-M-1.

C. Extruded Aluminum: ASTM B 221, Alloy 6063.

D. Cork Sheet: MS MIL-C-15116-C, Type II.

E. Fiberboard: ANSI A208.2, Grade MD, made with binder containing no urea formaldehyde.

F. Polyester Fabric: Nondirectional weave, 100 percent polyester; weighing not less than 15 oz./sq.

yd.; with flame-spread index of 25 or less when tested according to ASTM E 84.

1. Product: Alpha; Momentum Textiles, ph. 800-366-6839.

a. Color: 09119889 Flannel.

2.2 MARKERBOARD ASSEMBLIES

A. Porcelain-Enamel Markerboard Assembly: Balanced, high-pressure, factory-laminated

markerboard assembly of 3-ply construction consisting of backing sheet, core material, and

0.021-inch- thick, porcelain-enamel face sheet.

1. Manufacturers:

a. Claridge Products & Equipment, Inc.

b. Marsh Industries, Inc.

c. Platinum Visual Systems; a division of ABC School Equipment, Inc.

2. Particleboard Core: 1/2 inch thick; with 0.015-inch- thick, aluminum sheet backing.

3. Laminating Adhesive: Manufacturer's standard moisture-resistant thermoplastic type.

2.3 TACKBOARD ASSEMBLIES

A. Manufacturers:

1. Claridge Products & Equipment, Inc.

2. Marsh Industries, Inc.

3. Platinum Visual Systems; a division of ABC School Equipment, Inc.

B. Polyester-Fabric-Faced Tack Assembly <Insert designation>: 1/8-inch- thick, polyester-fabric-

faced cork sheet factory laminated to 3/8-inch- thick fiberboard backing.






1. For Framed Tackboards: Fabricate panels to sizes and configurations indicated; adhere l

fabric to cores to produce installed panels with visible surfaces fully covered, and free from

waves in fabric weave, wrinkles, sags, blisters, seams, adhesive or other foreign matter.

2.32.4 MARKERBOARD AND TACKBOARD ACCESSORIES

A. Aluminum Frames and Trim: Fabricated from not less than 0.062-inch- thick, extruded aluminum;

of size and shape indicated.

1. Factory-Applied Trim: Manufacturer's standard.

B. Chalk Tray for Markerboards: Manufacturer's standard, continuous.

1. Box Type: Extruded aluminum with slanted front, grooved tray, and cast-aluminum end

closures.

2.42.5 FABRICATION

A. Porcelain-Enamel Visual Display Assemblies: Laminate porcelain-enamel face sheet and backing

sheet to core material under heat and pressure with manufacturer's standard flexible, waterproof

adhesive.

B. Visual Display Boards: Factory assemble visual display boards, unless otherwise indicated.

1. Trim shall be assembled and attached to visual display boards at manufacturer's factory

before shipment.

2. Make joints only where total length exceeds maximum manufactured length. Fabricate

with minimum number of joints, balanced around center of board, as acceptable to

Architect.

3. Provide manufacturer's standard vertical-joint spline system between abutting sections of

markerboards.

4. Where size of visual display boards or other conditions require support in addition to normal

trim, provide structural supports or modify trim as indicated or as selected by Architect

from manufacturer's standard structural support accessories to suit conditions indicated.

5. Provide manufacturer's standard mullion trim at joints between markerboards and

tackboards of combination units.

C. Aluminum Frames and Trim: Fabricate units straight and of single lengths, keeping joints to a

minimum. Miter corners to neat, hairline closure.

2.52.6 ALUMINUM FINISHES

A. Comply with NAAMM's "Metal Finishes Manual for Architectural and Metal Products" for

recommendations for applying and designating finishes.

B. Protect mechanical finishes on exposed surfaces from damage by applying a strippable,

temporary protective covering before shipping.

C. Finish designations prefixed by AA comply with the system established by the Aluminum

Association for designating aluminum finishes.

D. Class II, Clear Anodic Finish: AA-M12C22A31 (Mechanical Finish: nonspecular as fabricated;

Chemical Finish: etched, medium matte; Anodic Coating: Architectural Class II, clear coating

0.010 mm or thicker) complying with AAMA 611.






PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates and conditions for compliance with requirements for installation tolerances,

surface conditions of wall, and other conditions affecting performance.

B. Examine walls and partitions for proper backing for visual display surfaces.

C. Examine walls and partitions for suitable framing depth where sliding visual display units will be

installed.

D. Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 PREPARATION

A. Remove dirt, scaling paint, projections, and depressions that will affect smooth, finished surfaces

of visual display boards.

B. Prepare surfaces to achieve a smooth, dry, clean surface free of flaking, unsound coatings,

cracks, defects, and substances that will impair bond between visual display boards and

surfaces.

3.3 INSTALLATION – GENERAL

A. General: Install visual display surfaces in locations and at mounting heights indicated on

Drawings. Keep perimeter lines straight, level, and plumb. Provide grounds, clips, backing

materials, adhesives, brackets, anchors, trim, and accessories necessary for complete installation.

1. Mounting Height: 36 inches above finished floor to top of chalktray unless otherwise

indicated on drawings.

2. Relocate existing markerboards and tackboards as indicated on Drawings.

B. Visual Display Boards: Adhere and mechanically attach visual display boards to walls.

1. Attach concealed clips, hangers, and grounds to wall surfaces and to visual display

boards with fasteners at not more than 16 inches o.c. Secure both top and bottom of

boards to walls.

2. Apply egg-size adhesive gobs at 16 inches o.c. horizontally and vertically.

3.4 CLEANING AND PROTECTION

A. Clean visual display surfaces according to manufacturer's written instructions. Attach one

cleaning label to visual display surface in each room.

B. Touch up factory-applied finishes to restore damaged or soiled areas.

C. Cover and protect visual display surfaces after installation and cleaning.

END OF SECTION 10 1100

...\2000\Arch\122002000a22.dgn 5/23/2013 2:11:33 PM

...\2000\Arch\122002000a81.dgn 5/23/2013 2:12:04 PM

EM-1 (Level G1) (Revised)100 AMP MLO

CKT. LOAD CB VA PHA PHB VA CB LOAD CKT.

! 1 Exit Lights 20 800 A 1680 2 !

! 3 Mag Doors 20 500 B 1680 4 !

! 5 Fire Alarm 20 500 A 0 20 Unmarked (Field Verify) 6 !

! 7 Land Lights 20 800 B 800 20 F.N.E.. Landing Lights 8 !

! 9 Land Lights 20 800 A 800 20 Tower Lights 10 !

! 11 Unmarked (Field Verify) 20 0 B 800 20 R.S.W. Landing Lights 12 !

! 13 EPS Power Alarm & Computer 20 500 A 0 20 Unmarked (Field Verify) 14 !

! 15 Main Bldg Hall Lights 20 1800 B 1920 20 Main Hall Lights 16 !

! 17 Trane Controls Light Outside NW Stair 20 42 A 800 20 Landing Lights 18 !

! 19 Trane Controls Winchester Alley Lights 20 1920 B 0 20 Unmarked (Field Verify) 20 !

21 Duplex outlet under panel Spare 20 0 A 1200 20 Generator Battery Charger 22 !

23 Space only B 500 20 Code Blue Pedestal 24 !

25 Space only A Space only 26

27 Space only B Space only 28


*

#

@

+

!

VA All existing loads are estimated.

VA

VA Total Continuous Load:

VA Total Non-Continuous Load:

A

PANELBOARD SCHEDULE

10,720

17,842

PHASE B CONNECTED LOAD:

Panel Information

Phase:

7,122

Symbols

PROVIDE LOCK ON ATTACHMENT

PROVIDE SWD RATED BREAKER

60

PROVIDE HACR RATED BREAKER

17,842

74.3

17,842 VA

0 VA

TOTAL ESTIMATED DEMAND AMPS:

Surface

Note: All Symbols May Not Be Used

Mounting:

A.I.C. (RMS Symmetrical):

TOTAL CONNECTED LOAD:

TOTAL ESTIMATED DEMAND LOAD:

PHASE A CONNECTED LOAD:

1

3

Stairwells Cook (North) Building60

INDICATES CONTINUOUS LOAD

Volts:

PROVIDE GFCI TYPE BREAKERWire:

Hertz:

240/120

EM5 (New)100 AMP MCB

CKT. LOAD CB VA PHA PHB PHC VA CB LOAD CKT.

! 1 Corridor 5C Pendants (2) NL 20 1200 A 0 20 Spare 2

! 3 Corridor 5C Pendants (3) Switched 20 1800 B 0 20 Spare 4

! 5 Corridor 5C Pendants (2) NL 20 1200 C 0 20 Spare 6

! 7 Corridor 5C Pendants (3) NL 20 1800 A 0 20 Spare 8

! 9 Corridor 5C Pendants (3) Switched 20 1800 B 0 20 Spare 10

! 11 Fire Alarm Power Supply (from LP5N) 20 500 C 0 20 Spare 12

13 Spare 20 0 A 0 20 Spare 14

15 Spare 20 0 B 0 20 Spare 16

17 Spare 20 0 C 0 20 Spare 18

19 Spare 20 0 A 0 20 Spare 20


23 Space only C Space only 24










*

#

@

+

!

VA

VA

VA



A 28.7981204

PANELBOARD SCHEDULE

Panel Information

Wire:



A.I.C. (RMS Symmetrical): PROVIDE SWD RATED BREAKER

Symbols

3,000

208/120

8,300 VA

0 VA

1,700

8,300

PHASE C CONNECTED LOAD:

Phase:

PROVIDE LOCK ON ATTACHMENTMounting: Surface

Volts: Note: All Symbols May Not Be Used

3,600

10,000 A

PROVIDE GFCI TYPE BREAKER



3

4

60Hertz:

23.0

8,300TOTAL CONNECTED LOAD:



EMLDP1N (Revised)225 AMP MLO


! 1 Light G-2 Bath 20 360 A 375 20 Enrollment Center EM/NL 2 !

! 3 Light this room 20 90 B 0 20 Spare 4

5 Spare (note re: repair kit) 20 0 C 0 20 Spare 6

7 Spare 20 0 A 0 20 Spare 8

9 Spare 20 0 B 0 20 Spare 10

11 Space only C 10720 12 !

13 Space only A 7122 14 !

15 Space only B 0 16 !

17 Space only C 0 18 !

19 Space only A 0 20 !






*

#

@

+

!

VA All existing loads are estimated.

VA

VA



A

PANELBOARD SCHEDULE

Surface

Volts:


Wire:

90



18,667

10,720

22.5




60Hertz:

7,857


Receiving Room EM Transformer40

30 kVA Transformer for Panel EM1

(1st Floor) Spare

Note: All Symbols May Not Be Used480/277

SymbolsPanel Information

3

4

Phase:

PROVIDE LOCK ON ATTACHMENTMounting:

40

18,667 VA

0 VA






! 1 Lights Hall 3B, 334 20 482 A 1750 20 Night Lights (Multiple Areas) 2 !

! 3 Lights Hall 3D 20 650 B 1170 20 Light NE Office 4 !

! 5 Lights 20 1080 C 1540 20 Light Hall 3A 6 !

! 7 Lights Hall 3A West 20 3600 A 1200 20 Light Lobby 8 !

! 9 Light Halls 3A East 20 3600 B 0 20 Spare 10

11 Space only C 0 12

13 Space only A 0 14

15 Space only B 0 16








*

#

@

+

!

VA

VA

VA



A18.1




5,420



2,620

Phase:


PANELBOARD SCHEDULE

Symbols

3

Transformer for Panel EM3 Spare

Surface


0 VA

4

60Hertz:

7,032



40

15,072

Panel Information

Wire:




15,072 VA

480/277



! 1 Light - Hall 20 1120 A 1040 20 Light - Lobby 2 !

! 3 Mech. Rm. - Light 20 500 B 0 20 Spare (field verify) 4

! 5 Light Women's Bath 20 390 C 800 20 Unmarked 6 !

! 7 Light - Elect. Shaft 20 90 A 800 20 Unmarked 8 !

9 Spare 20 0 B 0 10 !

! 11 Space Corr. 4C, 4E, 432B Switched Ltg 20 680 C 0 12 !

! 13 Space Corr. 4C, 4E Night Lighting 20 120 A 0 14 !

! 15 Space Corr. 4A, C.U. 415 Switched Ltg 20 2889 B Space only 16

! 17 Space Corr. 4A, C.U. 415 Night Ltg 20 467 C Space only 18







*

#

@

+

!

VA

VA

VA



A10.7




3,389



2,337

Phase:


PANELBOARD SCHEDULE

30 kVA Transformer for Panel

EMPP4N Spare40

Symbols

8,896 VA

480/277

Surface


0 VA8,896

3

4

60

Panel Information

Wire:




Hertz:

3,170





1 Spare 20 0 A 568 20 Lights - Corr 5C, 518 (Switched) 2 !

! 3 Light East Offices 20 960 B 480 20 Lights - West Office, Corridor N.L.s 4 !

! 5 Light NE Shaft 20 90 C 2180 20 Spare NW Stair Switched Lighting 6 !

! 7 Spare Night Lights Corr 5C 20 120 A 780 20 Spare NW Stair Night Lighting 8 !

! 9 Light N. Shaft 20 90 B 952 20 Spare Attic Level EM Lighting 10 !

! 11 Space Light Toilet 510A 20 86 C 1620 20 Spare NE Stair Switched Lighting 12 !

13 Space only A 900 20 Space NE Stair Night Lighting 14 !






25 Space only A 3000 26

27 Space only B 3600 28

29 Space only C 1700 30

*

#

@

+

!

VA

VA

VA



A

30

20.6




6,082



5,676

Phase:


PANELBOARD SCHEDULE

SymbolsPanel Information

30 KVA Life Safety

Transformer T-EM5

8,826 VA

480/277

Surface


8,300 VA17,126

3

4

60

Wire:




Hertz:

5,368





! 1 Lights this room 20 1590 A 0 20 Spare 2

! 3 Lights Mech 253, S. Shaft, Mech 245 20 672 B 940 20 Light S. Hall 4 !

! 5 Lights Main Hall Cove 20 2120 C 1950 20 Cove Lights Main Hall 6 !

7 Spare 20 0 A 0 20 Spare 8

9 Spare 20 0 B 0 20 Spare 10

! 11 Space Lights Toilet Rm 243 20 168 C Space only 12

! 13 Space Corr. 2B, 234 Switched Ltg 20 336 A Space only 14

! 15 Space Corr. 2B Night Lighting 20 168 B Space only 16

! 17 Space Corr. 2A, Lobby Switched Ltg 20 3127 C Space only 18

! 19 Space Corr. 2A, Lobby Night Ltg 20 339 A Space only 20






*

#

@

+

!

VA

VA

VA



A

PANELBOARD SCHEDULE

13.7




1,780



Hertz:

2,265

Phase:


11,410 VA

480/277

Surface


Symbols

7,365

3

4

60

0 VA11,410

Panel Information

Wire:




