Addendum 1 Document.pdf

DEPARTMENT OF THE

MILITARY

STATE OF SOUTH DAKOTA

ADDENDUM #1

September 10, 2025

Project: Duke Corning Armory Flooring Camp Rapid BLDG 100 Rapid City, SD

CFMO# 466430

Letting: 3:00 P.M. CT, Thursday, September 18, 2025 Attn: Kelly Eitreim Bid Website: https://www.sd.gov/cs?id=sc_cat_item&sys_id=7c9f120347ab2a10237fbd51026d433e

Bid Opening: https://state-sd.zoom.us/j/92785746338 Meeting ID: 927 8574 6338

Owner: State of South Dakota Department of the Military Construction and Facilities Management Office

SCOPE OF THIS ADDENDUM:

The following becomes a part of the original Project Manual, taking precedence over items that may conflict. The bidder shall note receipt and make acknowledgment of the addendum in their bid and incorporating its provisions in their bid price.

ITEM NO. 1:

1. Remove specification 09 68 13; add specification 09 68 13R which changes the surface texture to level loop for a commercial application.

2. Clarification: Entrance into Office 15C has square walls and not at an angle (A-104, A-204).

3. Clarification: Stair nosing removal and installation or metal stair nosing (A-103, A-203).

4. Clarification: Contractor to remove carpet and nosing in room 124 with mounted furniture in place.

ITEM NO. 2:

Attached are the revised 09 68 13 specifications (3 pages).

Attached are revised drawings A-103, A-104, a-203 and A-204 (4 pages).

ITEM NO. 3:

Pre-Bid meeting attendance attached (1 page).

DEPARTMENT OF THE MILITARY

CULLEN B. JORGENSEN

Engineering Manager

Cullen Jorgensen (Sep 10, 2025 15:54:06 MDT)

09 68 13R – CARPET TILE 1 September 2025

09 68 13R

CARPET TILE

PART 1 - GENERAL

1.1 OVERVIEW

A. Section includes floor preparation, new carpet tile, and new vinyl base trim.

1.2 SUBMITTALS

A. Shop Drawings: Submit manufacturer/material data of proposed carpet tile B. Samples: Contractor to submit samples to owner for color selection C. Warranty documentation.

D. Maintenance Data: For carpet tiles to include in maintenance manuals. Include the following:

1. Methods for maintaining carpet tile, including cleaning and stain-removal products and procedures and manufacturer's recommended maintenance schedule.

2. Precautions for cleaning materials and methods that could be detrimental to carpet tile.

E. Furnish extra materials, from the same product run, that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.

1. Carpet Tile: Full-size units equal to 5 percent of amount installed for each type indicated, but not less than 20 SF.

1.3 QUALITY ASSURANCE

A. Installer Qualifications: An experienced installer who is certified by the International Certified Floor covering Installers Association at the Commercial II certification level.

1.4 DELIVERY, STORAGE, AND HANDLING

A. Comply with CRI 104.

1.5 FIELD CONDITIONS

A. Comply with CRI 104 for temperature, humidity, and ventilation limitations.

B. Environmental Limitations: Do not deliver or install carpet tiles until spaces are enclosed and weathertight, wet work in spaces is complete and dry, and ambient temperature and humidity conditions are maintained at occupancy levels during the remainder of the construction period.

C. Do not install carpet tiles over concrete slabs until slabs have cured and are sufficiently dry to bond with adhesive and concrete slabs have pH range recommended by carpet tile manufacturer.

D. Where demountable partitions or other items are indicated for installation on top of carpet tiles, install carpet tiles before installing these items.

1.6 WARRANTY

A. Special Warranty for Carpet Tiles: Manufacturer agrees to repair or replace components of carpet tile installation that fail in materials or workmanship within specified warranty period.

1. Warranty does not include deterioration or failure of carpet tile due to unusual traffic, failure of substrate, vandalism, or abuse.

2. Failures include, but are not limited to, more than 10 percent edge raveling, snags, runs, dimensional stability, loss of tuft bind strength, loss of face fiber, and delamination.

3. Warranty Period: Lifetime from date of Substantial Completion.

PART 2 – PRODUCTS

2.1 CARPET TILE

A. Color: Provide color sample for Owner selection B. Fiber Content: 100% Nylon: Encore BCF Nylon (with recycled content) Bulked Continuous Filament.

C. Construction: Level Loop D. Pile Thickness: .152 inch (3.86 mm) (ASTM D-418).

E. Tufted Stitches Per Inch: 10.5.

F. Yarn Weight: 24 oz/sy.

G. Secondary Backing: eKo Modular.

H. Size: 24 in x24 in.

I. Special Treatment: ProTex Fluorochemical.

09 68 13R – CARPET TILE 2 September 2025

2.2 CARPET TILE INSTALLATION ACCESSORIES

A. Trowelable Leveling and Patching Compounds: Latex-modified, hydraulic-cement-based formulation provided or recommended by carpet tile manufacturer.

B. Adhesives: Water-resistant, mildew-resistant, nonstaining, pressure-sensitive type to suit products and subfloor conditions indicated, that complies with flammability requirements for installed carpet tile and is recommended by carpet tile manufacturer for releasable installation.

1. Adhesives shall have a VOC content of 50 g/L or less when calculated according to 40 CFR 59, Subpart D (EPA Method 24).

2. Adhesives shall comply with the testing and product requirements of the California Department of

Health Services' "Standard Practice for the Testing of Volatile Organic Emissions from Various Sources Using Small-Scale Environmental Chambers."

2.3 VINYL BASE:

A. Shall be constructed of first-quality materials and shall be smooth and free from any imperfections which detract from its appearance.

B. The base shall conform fully to the requirements of:

1. ASTM F-1861, Type TV, Thermoplastic Vinyl, Group 2 (layered); Style B (Cove).

2. ASTM F-137 (Flexibility)

3. ASTM F-386 (Thickness)

4. ASTM F-410 (Wear Thickness)

5. ASTM F-1515 (Resistance to Light)

C. All wall base shall be 4" in height and in lengths of 48-inches to 120 ft. (All remnants 48-inches or longer shall be turned over to the School)

D. The wall base shall be of the type Cove, in 1/8" gauge thickness E. Color: Provide color sample for SDARNG choice

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for maximum moisture content, alkalinity range, installation tolerances, and other conditions affecting carpet tile performance. Examine carpet tile for type, color, pattern, and potential defects.

B. Concrete Subfloors: Verify that concrete slabs comply with ASTM F 710 and the following:

1. Slab substrates are dry and free of curing compounds, sealers, hardeners, and other materials that may interfere with adhesive bond. Determine adhesion and dryness characteristics by performing bond and moisture tests recommended by carpet tile manufacturer.

2. Subfloor finishes comply with requirements specified in Division 03 Section "Cast-in- Place Concrete" for slabs receiving carpet tile.

3. Subfloors are free of cracks, ridges, depressions, scale, and foreign deposits.

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

3.2 PREPARATION

A. General: Comply with CRI 104, Section 6.2, "Site Conditions; Floor Preparation," and with carpet tile manufacturer's written installation instructions for preparing substrates indicated to receive carpet tile installation.

B. Use trowelable leveling and patching compounds, according to manufacturer's written instructions, to fill cracks, holes, depressions, and protrusions in substrates. Fill or level cracks, holes and depressions 1/8 inch (3 mm) wide or wider and protrusions more than 1/32 inch (0.8 mm) unless more stringent requirements are required by manufacturer's written instructions.

C. Remove coatings, including curing compounds, and other substances that are incompatible with adhesives and that contain soap, wax, oil, or silicone, without using solvents. Use mechanical methods recommended in writing by carpet tile manufacturer.

D. Broom and vacuum clean substrates to be covered immediately before installing carpet tile.

3.3 INSTALLATION

A. General: Comply with CRI 104, Section 14, "Carpet Modules," and with carpet tile manufacturer's written installation instructions.

09 68 13R – CARPET TILE 3 September 2025

B. Installation Method: As recommended in writing by carpet tile manufacturer.

C. Maintain dye lot integrity. Do not mix dye lots in same area.

D. Cut and fit carpet tile to butt tightly to vertical surfaces, permanent fixtures, and built-in furniture including cabinets, pipes, outlets, edgings, thresholds, and nosings. Bind or seal cut edges as recommended by carpet tile manufacturer.

E. Extend carpet tile into toe spaces, door reveals, closets, open-bottomed obstructions, removable flanges, alcoves, and similar openings.

F. Maintain reference markers, holes, and openings that are in place or marked for future cutting by repeating on finish flooring as marked on subfloor. Use nonpermanent, non-staining marking device.

G. Install pattern parallel to walls and borders.

H. Stagger joints of carpet tiles so carpet tile grid is offset from access flooring panel grid. Do not fill seams of access flooring panels with carpet adhesive; keep seams free of adhesive.

3.4 CLEANING AND PROTECTION

A. Perform the following operations immediately after installing carpet tile:

1. Remove excess adhesive, seam sealer, and other surface blemishes using cleaner recommended by carpet tile manufacturer.

2. Remove yarns that protrude from carpet tile surface.

3. Vacuum carpet tile using commercial machine with face-beater element.

B. Protect installed carpet tile to comply with CRI 104, Section 16, "Protecting Indoor Installations."

C. Protect carpet tile against damage from construction operations and placement of equipment and fixtures during the remainder of construction period. Use protection methods indicated or recommended in writing by carpet tile manufacturer.

3.2 VINYL BASE:

A. Follow manufacturer’s installation instructions.

B. Areas to receive wall base shall be clean, fully enclosed, weather-tight, and maintained at a uniform temperature of at least 65 F for 24 hours before, during, and after the installation is completed.

C. The wall base and adhesives shall be conditioned in the same manner.

D. Floors and walls shall be clean, dry, free of dust, all paints, wallpaper, and all other foreign material, which may affect proper adhesive bonding.

E. Wall base may be installed on interior plaster, gypsum wallboard, concrete, masonry, mineral-reinforced cement board or similar porous surfaces.

F. Wall base shall not be installed on surfaces that will be exposed to drastic temperature changes or moisture.

G. Cut the wall base to finished length and miter cut the ends for inside and outside corners.

H. ADHESIVES:

1. Porous Surfaces

a. 960 Acrylic Cove Base Adhesive

1) Application: 1/8” square notch trowel

2) Coverage: Approximately 250 linear feet of 4” Wall Base

2. NonPorous Surfaces

a. 945 Contact Bond Adhesive

1) Application: Brush or roller

2) Coverage: approximately 360 sq ft/gallon

d. 960 Acrylic Cove Base Adhesive

1) Application:1/8” square notch trowel.

2) Coverage: Approximately 250 linear feet of 4” Wall Base

3.3 CLEAN-UP AND PROTECTION:

A. Clean up during progress of work; remove from site discarded materials, rubbish, cans and rags at end of each work week.

B. Upon completion of work, clean and apply final surface finish per manufactures instructions.

END SECTION

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12' 12'-4" 10'-4"

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SEPTEMBER

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FLOORING DEMOLITION PLANSCALE: 1

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CARPET DEMO (13,650SF APPROX.)

VINYL DEMO (5,055SF APPROX.)

REMOVAL OF

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FLOORING DEMOLITION PLANSCALE: 1

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CARPET DEMO (13,650SF APPROX.)

VINYL DEMO (5,055SF APPROX.)

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ADDENDUM #1

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FLOORING PLANSCALE: 1

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PROPOSED LVT (7,715SF APPROX.)

PROPOSED CARPET TILES

(10,990SF APPROX.)

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ADDENDUM #1

SEPTEMBER

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FLOORING PLANSCALE: 1

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PROPOSED LVT (7,715SF APPROX.)

PROPOSED CARPET TILES

(10,990SF APPROX.)

466430 Addenda #1 Final Audit Report 2025-09-10

Created: 2025-09-10

By: Kelly Eitreim (Kelly.Eitreim@state.sd.us)

Status: Signed

Transaction ID: CBJCHBCAABAAy_DKiM59p8QbqfXG09BdQcJvNjLuCv-D

"466430 Addenda #1" History Document created by Kelly Eitreim (Kelly.Eitreim@state.sd.us)

2025-09-10 - 9:29:17 PM GMT

Document emailed to Cullen Jorgensen (Cullen.Jorgensen@state.sd.us) for signature

2025-09-10 - 9:30:18 PM GMT

Email viewed by Cullen Jorgensen (Cullen.Jorgensen@state.sd.us)

2025-09-10 - 9:53:42 PM GMT

Document e-signed by Cullen Jorgensen (Cullen.Jorgensen@state.sd.us) Signature Date: 2025-09-10 - 9:54:06 PM GMT - Time Source: server

Agreement completed.

2025-09-10 - 9:54:06 PM GMT