ESBD_440248_1753903480903_TISD SPORTS LIGHTING AND TURF IMPROVEMENTS_ADDENDUM 1_7-30-2025.pdf

AD1-1

ADDENDUM NO. 1

TO

SPECIFICATIONS, COMPETITIVE SEALED PROPOSAL AND CONTRACT DOCUMENTS

TISD SPORTS LIGHTING AND TURF IMPROVEMENTS

COMPETITIVE SEALED PROPOSAL (CSP 25.26.8.AUG-2)

FOR

TEXARKANA TEXAS INDEPENDENT SCHOOL DISTRICT

MTG ENGINEERS & SURVEYORS, INC.

ENGINEER’S PROJECT NO. 256045

TO ALL PROSPECTIVE PROPOSERS AND OTHER CONCERNED PARTIES:

This Addendum No. 1 is hereby made a part of the specifications, CSP and contract Documents (hereinafter referred to as the Contract Documents) and shall be attached thereto. The requirements of this Addendum supersede everything to the contrary in the original Contract Documents and any other previous addenda, if any;

otherwise, all provisions of the original Contract Documents shall remain in full force and effect.

Addendum No. 1 to the Contract Documents shall include, but not necessarily be limited to, the following clarifications:

Addendums

A1.1 Replace Section 32 18 23, Infilled Synthetic Turf with the attached Section 32 18 23.

Modifications added a new Section 3.0, Pre-Bid Submittal Requirements to allow for any turf system that meets the project specifications to be approved for use.

The requirements of this addendum are hereby made part of the Contract Documents and shall be so noted by the Bidder in the space provided on the proposal form.

So ordered this 30th Day of July 2025.

David Williams, P.E.

Project Manager

32 18 23-1_Addendum 1

SECTION 32 18 23

INFILLED SYNTHETIC TURF

1.0 GENERAL REQUIREMENTS

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions apply to this section.

1.2 SCOPE OF WORK

Furnish all labor, materials, tools and equipment necessary to install, in place, all synthetic turf material as indicated on the plans and as specified herein. The installation of all new materials shall be performed in strict accordance with the manufacturer’s written installation instruction, and in accordance with all approved shop drawings.

A. Prior to order of materials, the Turf Contractor shall submit the following:

1. Product Data including Independent Test Lab Results

2. Installation Details

3. Sample Warranty

4. Field layout and striping plans

5. Details on construction, especially any details that may deviate from plans and specifications.

B. After the owner executes a Certificate of Substantial Completion, the Contractor shall submit to the Owner three (3) copies of Maintenance Manuals, which will include necessary instructions for the proper care and preventative maintenance of the synthetic turf system, including painting and striping.

1.3 SHOP DRAWINGS

A. Shop drawings shall be prepared at the scale of the construction documents and contain all pertinent information regarding installation. These drawings shall be submitted to the Owner for written approval prior to the manufacturing and shipment of materials. The approved drawings shall comprise authority for any discrepancies.

B. Submit drawings for:

1. Installation details; edge detail, other inserts and covers, etc.

2. Striping plan; layouts showing any field lines, markings and boundaries, colors of turf and field logos per project drawings.

32 18 23-2_Addendum 1

1.4 QUALITY ASSURANCE

A. Manufacturer/Installer's Experience:

The synthetic turf installer/manufacturer shall have manufactured and installed at least fifty (50) acceptable installations of full-size baseball or softball fields (minimum of 70,000 SF) in the United States within the past five (5) years with tufted synthetic turf infilled with a layered system of pea gravel and rubber. Provide this listing with the bid.

The Turf Contractor shall employ only qualified, experienced supervisors and technicians skilled in the installation of the specified system.

B. Turf Contractor shall meet the following criteria:

1. Turf Contractor must have proper Contractors license, authority to do business in the state bidding, in good standing, and have never had revocation of the same.

2. Turf Contractor must have NOT had a Surety or Bonding Company finish work on any contract within the last ten (10) years.

3. Turf Contractor must have not been disqualified or barred from performing work for any public Owner or other contracting entity in the last ten (10) years.

4. Turf Contractor must be a single source contractor. The contractor must install the synthetic turf and the base construction, repair or re-grading with its own employees (not subcontractors) and must self-perform 100% of total scope of work.

5. Turf Contractor must manufacture its own fiber and synthetic turf in the United States, two-step distribution is not acceptable. Turf Contractors who do not manufacture their own fiber and synthetic turf shall be disqualified.

6. Turf Contractor must have manufactured its own synthetic turf for at least 10 years.

7. Turf Foreman must currently be employed by Turf Contractor and have been an employee (and not a subcontractor) of Turf Contractor for at least the last five years.

8. Turf Contractor must self-perform the laser grading of the stone, curb work, drainage work and all other site work associated with the construction of the synthetic turf field.

32 18 23-3_Addendum 1

C. Warranty:

The Turf Contractor shall submit the synthetic turf manufacturer's warranty. The warranty guarantees the usability and playability of the synthetic turf system for its intended uses for an eight

(8) year period commencing with the date of Substantial Completion.

1. The warranty submitted must have the following characteristics:

a. Must provide coverage for eight (8) years from the date of Substantial Completion.

b. Must warrant materials and workmanship.

c. Must verify through a third party that the materials installed meet or exceed the product specifications.

d. Must have a provision to either make a cash refund or repair or replace such portions of the installed materials that are no longer serviceable to maintain a serviceable and playable surface.

e. Must be a manufacturer’s warranty from a single source covering workmanship and all self-manufactured or procured materials.

1.5 SCHEDULE

A. Turf Contractor shall complete all work on the synthetic turf system in accordance with the project schedule.

1.6 SURFACE AREA

A. The Turf Contractor is to verify all field measurements prior to installation. Any discrepancies between the actual measurements and those on approved drawings shall be identified by Contractor, in writing.

1.7 UTILITIES

A. Prime Contractor will supply necessary water, adequate lighting and electricity for installation.

2.0 PRODUCTS

2.1 MATERIALS

A. The pile fibers shall be tufted into K29 primary backing, consisting of warp-knitted (by means of sonic stitching), dual-layered woven PP fabrics designed specifically for outdoor athletic turf applications. One layer shall incorporate polyester thread in the woven backing to maximize primary backing stability. The primary backing shall have a weight of approximately 7.5 oz per square yard.

B. Synthetic turf shall be a tufted carpet of a helix shaped dual color monofilament fiber, tufted into a

32 18 23-4_Addendum 1 grass-like fabric coated with a secondary backing of high-grade polyurethane. The monofilament synthetic turf yarn shall be comprised of a linear low density polyethylene polymer (LLDPE) and the entire shaft of the fiber must be curled into a helical shape for fiber resiliency. The turf fabric shall be filled with a layered system of pea gravel and rubber. The pea gravel shall have a sieve size of 8/14 mesh and the rubber shall be SBR rubber having a sieve size of 10/20 mesh.

C. All components and their installation method shall be designed and manufactured for use on outdoor athletic fields. The materials as hereinafter specified, should be able to withstand full climatic exposure in all climates, be resistant to insect infestation, rot, fungus and mildew; to ultra-violet light and heat degradation, and shall have the basic characteristic of flow through-drainage allowing free movement of surface run-off through the turf fabric where such water may flow to the existing subbase and into the field drainage system

D. The finished playing surface shall appear as mowed grass with no irregularities and shall afford excellent traction for conventional athletic shoes of all types. The finished surface shall resist abrasion and cutting from normal use.

E. Pile yarn (Polyethylene) shall be a proven athletic caliber yarn designed specifically for outdoor use and stabilized to resist the effect of ultraviolet degradation, heat, foot traffic, water and airborne pollutants.

F. Infill material shall be layered system of pea gravel and rubber in accordance with the manufacturer’s recommendations and the owner’s preference. No other infill will be accepted.

G. Perimeter and interior edge details, underground storm sewer piping and connections required for the system shall be as detailed and recommended by the manufacturer, and as approved by the Owner.

H. The entire home plate circle and pitching circle for softball shall utilize a paved in place elastic layer (at least 16 mm in thickness) for extra turf resiliency.

I. Basis of Design: Major Play Helix as manufactured by Hellas.

3.0 PRE-BID SUBMITTAL REQUIREMENTS

A. Design Approval: The owner/engineer will review pre-bid submittals from all manufacturers to ensue compliance to the specifications 10 days prior to bid. If the design meets the design requirements of the specifications, a letter and/or addendum will be issued to the manufacturer indicating approval for the specific design submitted.

B. All submittals must provide a complete submittal package for approval as outlined in Submittal Information at the end of this section at least 10 days prior to bid. Special manufacturing to meet the standards of this specification may be required. An addendum will be issued prior to bid listing any other approved turf system manufacturers.

C. Bidders are required to bid only products that have been approved by this specification or addendum by the owner or owner’s representative. Bids received that do not utilize an approved system/design, may be rejected.

32 18 23-5_Addendum 1

REQUIRED SUBMITTAL INFORMATION FOR ALL MANUFACTURERS

(10 DAYS PRIOR TO BID)

All items listed below are mandatory, shall comply with the specification and be submitted according to pre-bid submittal requirements. Complete the Yes/No column to indicate compliance for each item. Submit checklist below with submittal.

Yes / No Tab Item Description

A Letter/ Checklist

Listing of all information being submitted must be included on the table of contents.

List the name of the manufacturer’s local representative and his/her phone number.

Signed submittal checklist to be included.

B Turf

Characteri stics

Characteristics of proposed turf system for the eighteen categories listed in Table A Turf Properties.

C

Manufactur er’s

Recomme ndations

Provide manufacturer’s recommendations and details for the following:

a. Infill system including material types and amounts and suitability for baseball/softball fields

b. Perimeter edge details

c. Typical underground drainage system required including connections to storm sewer

d. Data sheets on proposed maintenance equipment

D References Provide five (5) references for similar installations in the state of Texas.

E Warranty Provide written warranty information including all terms and conditions.

F Product Installation

Provide information on product installation team such as:

a. Are installers employees of the turf manufacturer or subcontractor,

b. Is there certifications by the manufacturer for the installation team,

c. Quality control/assurance methods utilized by the installation team,

d. Number of installations by proposed installation team of type of turf being proposed over the last five (5) years.

H Product Information

Complete bill of material and current brochures/cut sheets for all product being provided.

I Non-

Complianc e

Manufacturer shall list all items that do not comply with the specifications. If in full compliance, tab may be omitted.

The information supplied herein shall be used for the purpose of complying with the specifications for this project. By signing below, I agree that all requirements of the specifications have been met and that the manufacturer will be responsible for any future costs incurred to bring their equipment into compliance for all items not meeting specifications and not listed in the Non-Compliance section.

Manufacturer: _________________________________ Signature:

Contact Name: ________________________________ Date: _______/_______/_______

Contractor: _______________________________________ Signature:

32 18 23-6_Addendum 1

TABLE A – Turf Properties:

Standard Property Specification

1 ASTM D418/D5848 Pile Weight 40-52 oz. /Sq. Yd.

2 ASTM D5848 Primary Backing Weight 7.5 oz. /Sq. Yd.

3 ASTM D5848 Secondary Coating Weight 20-26 oz. /Sq. Yd.

4 ASTM D5848 Total Weight 67.5 – 85.5 oz. /Sq. Yd.

5 ASTM D1907 Yarn Denier (Mono) 12,400 6 ASTM D418/D5848 Pile Height Finished 1.5 - 2” (+/- 1/8”) 7 ASTM D5793 Tufting Gauge 3/8” - 1/2” 8 ASTM D5848 Primary Backing Multi-Layer Warp-knitted polypropylene 9 ASTM D5848 Secondary Coating Polyurethane 10 ASTM D1335 Tuft Bind without Infill 8 lbs. +/- 11 ASTM D1682/D5034 Grab Tear (length) >250 lbs. Force 12 ASTM D1682/D5034 Grab Tear (width) >350 lbs. Force 13 ASTM D4991 Carpet Permeability >40 inches/hour 14 ASTM D2859 Flammability (Pill Burn) Pass 15 ASTM E-11 Realfill™ Infill 4.5 - 6 lbs. +/- per square foot 16 Fabric Width 15’ 17 Perforation 3/16” Holes 4” x 4” 18 ASTM D3218 Yarn (Mono) Mono:

Yarn Matrix with Helix Technology Average Thickness 170 microns LLDPE Resin

All Characteristics listed above are nominal +/- 10%

32 18 23-7_Addendum 1

4 EXECUTION

4.0 GENERAL

A. The installation shall be performed in full compliance with approved shop drawings.

B. Only factory-trained technicians, skilled in the installation of athletic caliber synthetic turf systems working under the direct supervision of the synthetic turf manufacturer’s installation supervisors shall undertake the placement of the system.

C. The surface to receive the synthetic turf shall be inspected and certified by the turf manufacturer as ready for the installation of the synthetic turf system and must be perfectly clean as installation commences and shall be maintained in that condition throughout the process.

4.1 INSTALLATION

A. The subbase and curbs shall have a topological survey perform by the contractor for inspection and review by the Engineer The topological survey shall be performed by means of a laser level and plotted on a 10-foot grid. Based upon the engineer’s inspection of the topological survey, the Contractor shall fine grade the subbase suitably - including properly rolling and compacting the base to achieve a surface planarity within ¼” in 10 feet (+0, -1/4”0). OWNER

OR ENGINEER SHALL NOT APPROVE THE SUBBASE FOR TOLERANCE TO GRADE

WITHOUT OBTAINING THE TOPOLOGICAL SURVEY.

B. The Turf Project Superintendent shall thoroughly inspect all materials delivered to the site both for quality and quantity to assure that the entire installation shall have sufficient materials to maintain the schedule and proper mixing ratios.

C. Synthetic turf shall be loose laid across the field and attached to the perimeter edge detail. Turf shall be of sufficient length to permit full cross-field installation. No head or cross seams will be allowed, provided standard playing field dimensions are utilized, except as required for inlaid fabric striping or to accommodate programmed cut-outs.

D. All seams shall be flat, tight, and permanent with no separation or fraying. All seams and markings shall be adhered to a special tape with a single component, high strength polyurethane adhesive applied per the Turf Supplier’s standard procedures for outdoor applications.

E. Infill materials shall be properly applied in numerous thin lifts using special broadcasting equipment to produce a layered system of pea gravel and performance infill. The turf shall be raked and brushed properly as the mixture is applied. The infill materials can only be applied when the turf fabric is dry.

F. Should the ambient outdoor temperature fall below 45 degrees Fahrenheit, the Turf Contractor and Owner will discuss available options and/or stoppage of work.

4.2 FIELD MARKINGS AND DECORATIONS

A. Field markings and decorations shall be installed in accordance with approved project shop drawings.

4.3 CLEAN UP

A. Turf Contractor shall provide the labor, supplies and equipment as necessary for final cleaning of surfaces and installed items.

32 18 23-8_Addendum 1

B. The Turf Contractor shall keep the area clean throughout the project and clear of debris.

C. Surfaces, recesses, enclosures, etc., shall be cleaned as necessary to leave the work area in a clean, immaculate condition ready for immediate occupancy and use by the Owner.

5 OTHER MATERIALS AND EQUIPMENT

A. Maintenance Equipment

Provide one TCA 1400Turf Sweeper from SMG or pre-approved equal.