Addendum 2 - Gym Floor at LHS.pdf

St. Mary’s County Public Schools 23160 Moakley Street, Suite 107 Leonardtown, Maryland 20650

ADDENDUM NO. 2

Addendum Date: May 15, 2020

ITB Name/Number: Department of Maintenance – Refurbishment of Gym

Floor at Leonardtown High School

ITB #SMCPS-2020-M-GFLHS

eMMA Solicitation No.: BPM019428

ITB Due Date/Time: May 21, 2020 at 3:00 p.m. local time

This addendum consists of nine (9) pages, including this signature acknowledgment sheet and one (1) attachments, for a total of 9 pages. Please incorporate the attached information in your proposal response.

This addendum cover page must be signed and returned with your proposal before the closing date and time shown above. Failure to fully execute all ITB documents may be cause for rejection of your proposal.

St. Mary’s County Public Schools (SMCPS) reserves the right to reject any or all offers and to accept the offer that is in the best interest of SMCPS.

Except as modified herein, all other terms and conditions of Invitation to Bid #SMCPS-2020-M-GFLHS shall remain in full force and effect.

Brynn Cosner Date Procurement Coordinator

ACKNOWLEDGMENT OF RECEIPT

COMPANY

NAME:__________________________________________________________

AUTHORIZED SIGNATURE: ________________________________________

Date

NAME AND TITLE: ________________________________________________

TELEPHONE NUMBER: (__________)_________________________________

ADDENDUM NO. 2

Department of Maintenance

Refurbishment of Gym Floor at Leonardtown High School

ITB #SMCPS-2020-M-GFLHS

By order of this Addendum, the following information is added to ITB #SMCPS-

2020-M-GFLHS:

Changes

C1. The following information is added to Section II, “Information for Bidders”:

C. ALTERNATIVE TO PUBLIC BID OPENING

All SMCPS offices are currently closed to the public. As a result, a public bid opening will not take place as planned. A Zoom meeting has been scheduled for the bid due date and time (May 21, 2020 at 3:00 p.m.). SMCPS will access the sealed bids at this time and will read the bids aloud as part of the Zoom meeting. Vendors are invited to join this meeting

(via video or conference call) if they wish to hear the bids read aloud. Details can be found below; if you would like to receive a calendar invitation please contact btcosner@smcps.org. Participation in this Zoom meeting is optional.

Brynn Cosner is inviting you to a scheduled Zoom meeting.

Join Zoom Meeting https://smcps.zoom.us/j/97096939068?pwd=L3diU2pJQ1E0a1NMWlRXY05Za2p vZz09

Meeting ID: 970 9693 9068 Password: 006818 One tap mobile +13017158592,,97096939068#,,1#,006818# US (Germantown) +13126266799,,97096939068#,,1#,006818# US (Chicago)

Dial by your location +1 301 715 8592 US (Germantown) +1 312 626 6799 US (Chicago) +1 646 876 9923 US (New York) +1 253 215 8782 US (Tacoma) +1 346 248 7799 US (Houston) +1 669 900 6833 US (San Jose) Meeting ID: 970 9693 9068 Password: 006818 Find your local number: https://smcps.zoom.us/u/acHCBM2IOt

D. FORMATION OF THE CONTRACT

It is the intent of SMCPS that should this bid be accepted and awarded, the Contract will consist of the bid solicitation documents, any addenda/amendments, and the bidder’s response to the bid solicitation, addendum/amendment documents, SMCPS written notice of award and subsequent purchase orders. The resulting contract shall be awarded for a period of 35 days from the day of contract award. SMCPS reserves the right to cancel the contract, at its discretion, for any reason.

SMCPS reserves the right to award the requirements of this bid in total or in part as it determines to be in the best interest of SMCPS. SMCPS reserves the right to make multiple awards. Contract awards are subject to the availability of funding.

Minority Business Enterprises are encouraged to respond to this solicitation notice.

C2. Changes to Specifications:

The following is intended to clarify, correct, revise, and restate various parts of the Drawings and Specifications all of which shall form part of this Contract.

09 6000 WOOD FLOOR REFINISHING REPLACE Entire section with the attached revised 09 6000 WOOD FLOOR REFINISHING. See attached.

Questions and Answers

None.

09 6000

WOOD FLOOR REFINISHING

ADDENDUM #2 – 15 MAY 20

TCA LEONARDTOWN HIGH SCHOOL

1.00 GENERAL

1.01 Scope

Work includes all labor, materials, equipment, and services required for the refinishing of the existing wood floor in the main Gymnasium. All areas of existing wood floor in the main Gymnasium shall be sanded and refinished in accordance with this section.

1.02 Submittals

A. Descriptive literature: Submit copies of manufacturer's descriptive literature and recommended installation procedures for wood flooring system including all components and materials specified and required.

B. Samples: Submit samples of the sealer, all paint colors, and finish on the removed portions of the existing gym floor and of the vented rubber base. If a piece of the removed flooring is not available, the contractor shall seal, paint and finish an area of the floor approximately 3’x3’ for review before proceeding. Paint samples shall be on actual flooring, not printed reproductions.

C. Shop drawing: Submit copies of floor layout of all game lines in Gymnasium for approval. Shop drawing shall include all dimensions and colors.

D. Gymnasium floor logo: Submit graphic logo, lettering and graphic for Architect and Owner review.

The lettering shall match the architectural drawing. The graphic logo shall be provided to the contractor by the Owner.

E. Maintenance and repair data: Submit copies of maintenance and repair instructions for Owner's maintenance manuals.

1.03 Qualifications of installers

Installer shall furnish Architect with evidence that they are experienced and expert at the installation of the specified wood flooring products and shall be approved by the manufacturer.

1.04 Warranty

Furnish manufacturer's warranty against defects in materials and workmanship for a period of one year from date of substantial completion of the project.

1.05 Job conditions

A. Permanent heat, light, air conditioning and ventilation shall be installed and be operational during and after installation.

B. After floors are finished secure area to allow cure time for finish.

1.06 Delivery, storage and handling

A. Room temperature shall be 55-80ºF and relative humidity of 35-50% are to be maintained during and after installation.

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LEONARDTOWN HIGH SCHOOL TCA

B. Materials shall not be stored at the installation location if the above conditions cannot be met or maintained thereafter.

1.07 Material standards

A. Wood flooring system shall meet Maple Flooring Manufacturers Association (MFMA) specifications for maple, beech and birch flooring with respect to materials, design, fabrication, testing, performance, and installation.

B. All hard maple flooring grades shall be certified by the MFMA. Each piece shall be indented on back with MFMA trademark and each bundle shall be clearly marked with MFMA grade.

C. All wood shall be certified to be in compliance with the standards endorsed by the Forest Stewardship Council (FSC). Provide all documentation that demonstrates that all the submitted wood products are FSC certified as defined in the LEED for Schools Reference Guide.

1.08 Replacement

2.00

2.01

For bidding purposes, work shall include the replacement of 500 SF of wood flooring system, comprised of up to three [3] separate areas. Types of damage may include [but shall not be limited to]: “dead” spots, water damage, and surface irregularities. Locations of damaged areas will be identified and located by the Contractor and confirmed by the Architect and Owner prior to the start of refinishing operations.

PRODUCTS

Gymnasium wood flooring system

Patch and repair areas of existing wood floor with a new wood floor component system comprised of materials that are compatible with the existing flooring and provides a smooth and level floor surface when completed.

A. Vented rubber base

Provide new vented rubber base throughout Gymnasium. Base shall be 4”H x 3”W Furnish base with matching outside corners as required by layout. Color of base shall be black.

B. Finishing materials

1. Sealer and finish coats:

a. Sealer coats: Water-based wood sealer, fast-drying, low odor, VOC less than 275 g/L, light in color, minimizes sidebonding. Provide SuperSport Seal by Bona, Hydroline Sealer by Basic Coatings, Court Guard by Hillyard, Sport Tone by Advantage Coatings Technologies, or approved equal.

b. Finish coats: Two-Component, high solids, water-based wood floor coating, fast-drying, VOC less than 275 g/L, very light in color, high gloss, and low odor. Provide SuperSport HD by Bona, StreetShoe NXT or GymShoe by Basic Coatings, Trophy H2O by Hillyard, Defense by Advantage Coatings Technologies, or approved equal.

smwhidden Highlight

ADDENDUM #2 – 15 MAY 20

TCA LEONARDTOWN HIGH SCHOOL

2. The game line paint and logo paint shall be either water-based or oil-based, high gloss, highly adhesive and compatible with the sealer and finish coats. Colors for the game lines shall be as selected by the Architect from manufacturer’s range of both standard and custom colors not less than ten (10) colors.

C. Floor repair components:

1. Wood strip flooring shall be second and better grade hard maple complying with Maple Flooring Manufacturers Association [MFMA] grading rules. Thickness, face width and tongue and groove configuration shall match existing flooring and may require custom milling of solid maple stock in order to achieve the required profile. Flooring shall be furnished with continuous tongue and groove edges, end matched, and kiln dried per MFMA grading rules. Flooring may require a stain in order to match existing floor.

Samples to be produced for evaluation prior to start of work.

2. Other system components such as steel channels, wood sleepers, plywood substrate, anchors and underlayment/moisture proofing, shall all comply with floor system manufacturer and shall match existing floor system components.

3.00 EXECUTION

3.01 Product handling

A. Protection

1. The existing Gymnasium wood flooring system shall be protected from all unnecessary foot traffic, high humidity, direct moisture, and other conditions that may prove to be damaging to the final refinished wood floor system.

2. Protect new wood flooring system from damage and moisture during transit, delivery, and storage. Do not deliver flooring until all permanent heating and ventilating system is operational.

B. Storage

Flooring shall be stored in a dry, well-ventilated area, not in contact with masonry or concrete, to acclimate to building conditions. Allow flooring material to remain in area installation for one week prior to installation. Room conditions during this period shall approximate those during occupancy.

3.02 Substrate and environmental conditions

The Contractor shall notify Architect of any conditions preventing satisfactory installation of wood flooring system. By beginning work the installer acknowledges that existing conditions, as listed below, are satisfactory.

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LEONARDTOWN HIGH SCHOOL TCA

A. Dryness

The building shall be dry and closed-in. Maintenance of proper temperature and relative humidity shall be the responsibility of the Contractor using heating, ventilation, and air conditioning as required.

B. Moisture content of flooring

New and existing wood flooring shall test at an average of 8% moisture content prior to repairs or refinishing.

3.03 Installation

A. Wood flooring and vented rubber base shall be installed in accordance with flooring manufacturer's approved instructions and recommendations for the application indicated but not less than MFMA and WSFI standards.

B. Install vented rubber base in accordance with manufacturer's recommendations. Miter inside corners as required and provide remanufactured one-piece outside corners. Bond sections of base together so that completed installation forms a monolithic base free of gaps and loose sections.

3.04 Replacement

A. Existing areas of flooring to be replaced will be marked and confirmed by the Contractor prior to start of any floor refinishing or actual replacement work. Areas shall be dimensionally located on a plan and submitted for review by the Architect.

B. Areas marked for replacement shall be carefully removed so that no damage is made to adjacent floor areas that are to remain. Attention shall given existing tongue and groove edges of adjacent wood flooring members so they are not damaged during removal process.

C. Existing moisture barrier shall be left in place and restored as necessary.

D. Install new wood flooring in accordance with floor system manufacturer’s instructions and approved submittals, followed by necessary game stripping, sealing, sanding and finishing.

3.05 Finishing

A. Environmental Conditions

Follow the sealer and finish manufacturer’s instructions regarding operation and temporary shut-down of heating, cooling and dehumidification system(s) before, during and after the application of sanding sealer coats and finish coats.

B. Sanding

Sand wood flooring with drum sander, edger, buffer, and hand scraper. Floor is to be sanded to bare wood using a minimum four (4) cuts using coarse, medium and two (2) fine until surface is completely smooth. Additional cuts shall be completed if the surface is not completely smooth.

Any additional sanding required to the floor above the initial four cut process shall be completed at no additional cost.

ADDENDUM #2 – 15 MAY 20

TCA LEONARDTOWN HIGH SCHOOL

C. Screening

After sanding, buff entire floor using 100 grit sanding screen with a heavy-duty buffing machine.

D. Tack

After screening, the floor shall be vacuumed and tacked to ensure that the surface is completely free of all dust and particles that may prove deleterious to the final floor finish.

E. Inspection

After sanding, screening and tack is completed, Owner shall inspect floor before finishing begins.

F. Finishing

1. Apply number of coats of primer/sealer per the manufacturer’s instructions.

2. After each coat has cured, abrade the sealer to ensure a smooth finish with minimal grain raise, followed by vacuum and tack according to the manufacturer’s recommendations.

3. Apply game lines and logos accurately and in colors as shown and dimensioned on drawings. Lines shall be straight with sharp edges. Allow curing time for painted game lines per manufacturer. Painted gym floor logo shall be painted in center jump circle.

Design of logo, lettering and graphic shall be provided by the Contractor for Architect and Owner review. Logo shall include up to five (5) separate colors for logo, lettering and graphic.

4. After the paint has dried completely, abrade the sealer to ensure a smooth finish with minimal grain raise, followed by vacuum and tack according to the manufacturer’s recommendations.

5. Apply final finish consisting of number of coats of finish per manufacturer’s instructions.

Buff out the finish coats between each coat per the manufacturer’s instructions.

3.06 Protection

After flooring systems are finished, Contractor is responsible for keeping areas free of traffic for a period of not less than 72 hours, or as required to allow finishes to cure. Protection of finished floor until acceptance by Owner shall be the complete responsibility of the Contractor.

END OF SECTION

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