ADD 2

July 13, 2023

Addendum 2

BL098-23, Scenic Route 20/Loganville Highway (from Ozora Road to Brand Road) Traffic Safety

Improvement Project

Please see the attached REVISED bid schedule. Failure to use the REVISED bid schedule could result in your bid being deemed non-responsive.

The following changes were made to the bid schedule:

1. Page 3 of 4, Item 185 939-6012 INTERNAL UNINTERRUPTABLE POWER SUPPLY - ETHERNET

CAPABLE EA 3 was ADDED.

2. Page 3 of 4, Item 190 939-6014 EXTERNAL UNINTERRUPTABLE POWER SUPPLY - ETHERNET

CAPABLE EA 2 was ADDED.

3. Page 1 of 4, Item 025 647-1002 INTERNAL BATTERY BACKUP SYSTEM - ETHERNET CAPABLE EA

3 was DELETED.

4. Page 1 of 4, Item 030 647-1003 EXTERNAL BATTERY BACKUP SYSTEM - ETHERNET CAPABLE EA

2 was DELETED.

Questions:

Q1. What is the estimated cost for this project?

A1. Gwinnett County has approved a sufficient budget to cover this project. Vendors should submit competitive pricing.

Q2. This question is regarding Pay Item 647-1002 for Internal Battery Backup System. There are no

Internal Battery Backup on the GDOT APL available to install in an existing cabinet per the vendors I have talked to. What unit can we use that will be acceptable?

A2. Contractor to install Uninterrupted Power Supply in accordance with the 2021 GDOT Standard

Specifications of Transportation Systems, and applicable Special Provisions included in the addendum. Please see attached updated Special Provisions Sections 647, 937 and 925, to be used in place of current Special Provisions in Bid Document.

All bidders shall acknowledge receipt of this addendum by inserting its number and date in the Bid

Form. Failure to do so may subject the bidder to disqualification. This addendum forms a part of the Contract Documents.

Thank you, Olivia Graves

Purchasing Associate II

PI 0016069 / M-1080-02

ATMS ITS SR 20 / LOGANVILLE HWY (FROM OZORO

ROAD/COOPER ROAD TO BRAND ROAD)

BL098-23

BID SCHEDULE

Item # GDOT # Description Units

Est. Bid

Quantity Unit Price Bid Total Price Bid

005 150-1000

TRAFFIC CONTROL - PROJECT: PI 0016069 / M-1080-02

ATMS ITS SR 20 / LOGANVILLE HWY LS 1

010 161-1000

EROSION CONTROL - PROJECT: PI 0016069 / M-1080-02

ATMS ITS SR 20 / LOGANVILLE HWY LS 1

015 210-0100

GRADING COMPLETE - PROJECT: PI 0016069 / M-1080-02

ATMS ITS SR 20 / LOGANVILLE HWY LS 1

020 647-1001 2010 CONFLICT MONITOR - ETHERNET CAPABLE EA 1

035 647-2130 PULL BOX, PB-3 EA 1

040 647-2170 PULL BOX, PB-7 (SPLIT LID) EA 23

045 647-2175 SPLIT LID FOR PULL BOX, PB-7 EA 1

050 682-6222 CONDUIT, NONMETL, TP 2, 2 IN LF 480

055 682-6233 CONDUIT, NONMETL, TP 3, 2 IN LF 21,495

060 682-9950A DIRECTIONAL BORE - 5 IN LF 10,165

065 682-9950B DIRECTIONAL BORE - 7 IN LF 345

070 700-0200

GRASSING COMPLETE (SOD) - PROJECT: PI 0016069 / M-

1080-02 ATMS ITS SR 20 / LOGANVILLE HWY LS 1

GWINNETT COUNTY, GEORGIA

PROJECT #:

PROJECT:

BID NUMBER:

COMPANY NAME: ______________________________________________________________

Failure to return this page my result in rejection of bid. Page 1 of 4

ADDENDUM #2

REVISED BID SCHEDULE

ROAD/COOPER ROAD TO BRAND ROAD)

BL098-23

BID SCHEDULE

Item # GDOT # Description Units

Est. Bid

Quantity Unit Price Bid Total Price Bid

GWINNETT COUNTY, GEORGIA

PROJECT #:

PROJECT:

BID NUMBER:

075 713-3002 WOOD FIBER BLANKET, TP II, SLOPES SY 32

080 926-5000 CONNECTED VEHICLE ROADSIDE UNIT EA 7

085 935-1116

OUTSIDE PLANT FIBER OPTIC CABLE, LOOSE TUBE,

SINGLE MODE, 72 FIBER LF 23,565

090 935-1112

OUTSIDE PLANT FIBER OPTIC CABLE, DROP, SINGLE

MODE, 12 FIBER LF 525

095 935-4102 FIBER OPTIC CLOSURE, UNDERGROUND, 12 SPLICE EA 6

100 935-4107 FIBER OPTIC CLOSURE, UNDERGROUND, 96 SPLICE EA 1

105 935-4408 FIBER DISTRIBUTION UNIT, RACK MOUNT, 144 PORT EA 3

110 935-4502 FIBER PATCH PANEL, WALL MOUNT, 12 PORT EA 6

115 936-4000 CCTV CAMERA SYSTEM, TYPE 1 EA 6

120 936-4901 CCTV MOUNTING ARM, TYPE 1 EA 1

125 936-4902 CCTV MOUNTING ARM, TYPE 2 EA 1

130 936-4912 CCTV MOUNTING ARM, TYPE 2A EA 3

135 939-2325 FIELD SWITCH, TYPE E-CB EA 2

140 939-2326 FIELD SWITCH, TYPE E-CB-1RU EA 7

COMPANY NAME: ______________________________________________________________

Failure to return this page my result in rejection of bid. Page 2 of 4

ROAD/COOPER ROAD TO BRAND ROAD)

BL098-23

BID SCHEDULE

Item # GDOT # Description Units

Est. Bid

Quantity Unit Price Bid Total Price Bid

GWINNETT COUNTY, GEORGIA

PROJECT #:

PROJECT:

BID NUMBER:

145 939-2395 SFP FIBER MODULE, TYPE 1-CB EA 7

150 939-2396 SFP FIBER MODULE, TYPE 1-CC EA 18

155 939-2397 SFP FIBER MODULE, TYPE 2-CB EA 7

160 939-2404 ROUTING SWITCH, HUB, TYPE C-CB-1RU EA 2

165 939-4120 FIELD CABINET, TYPE 3 EA 1

170 939-4181 SECURITY LOCK, TYPE CR EA 1

175 939-5020

ELECTRICAL POWER SERVICE ASSEMBLY,

UNDERGROUND SERVICE POINT EA 1

180 942-1000

NETWORK EQUIPMENT CONFIGURATION AND

INTEGRATION LS 1

185 939-6012

INTERNAL UNINTERRUPTABLE POWER SUPPLY -

ETHERNET CAPABLE EA 3

190 939-6014

EXTERNAL UNINTERRUPTABLE POWER SUPPLY -

ETHERNET CAPABLE EA 2

TOTAL

100.00%

COMPANY NAME: ______________________________________________________________

Failure to return this page my result in rejection of bid. Page 3 of 4

ROAD/COOPER ROAD TO BRAND ROAD) ADDENDUM #2

REVISED BID SCHEDULEBL098-23

BID SCHEDULE

Item # GDOT # Description Units

Est. Bid

Quantity Unit Price Bid Total Price Bid

GWINNETT COUNTY, GEORGIA

PROJECT #:

PROJECT:

BID NUMBER:

CERTIFICATION OF NONCOLLUSION IN BID PREPARATION____________________________________________________________

(Signature) (Date)

(If your company is an LLC, you must identify all principals to include address and phone numbers in your submittal)

FED TAX ID______________________________________________________

ADDRESS: ____________________________________________________________________________________________________

DOES YOUR COMPANY CURRENTLY HAVE A LOCATION WITHIN GWINNETT COUNTY? YES □ NO □

REPRESENTATIVE SIGNATURE: _________________________________________________________________________________

PRINT AUTHORIZED REPRESENTATIVE'S NAME: ___________________________________________________________________

TELEPHONE NUMBER: _______________________________________________ FAX: _____________________________________

E-MAIL ADDRESS_______________________________________________________________________________________________

In compliance with the attached specifications, the undersigned offers and agrees, if this bid is accepted by the Board of Commissioners within one hundred eighty (180) days of the date of bid opening, to furnish any or all of the items upon which prices are quoted within the time specified in the bid schedule. By submission of this bid, I understand that Gwinnett County uses Electronic Payments for remittance of goods and services. Vendors should select their preferred method of electronic payment upon notice of award. For more information on electronic payments, please refer to the Electronic Payment information in the Instructions to Bidders.

The County requires that all who enter into a contract for the physical performance of services with the County must satisfy O.C.G.A. § 13-10-

91 and Rule 300-10-1-.02, in a manner, and such are conditions of the contract.

LEGAL BUSINESS NAME: ______________________________________________________________________________________

COMPANY NAME: ______________________________________________________________

Failure to return this page my result in rejection of bid. Page 4 of 4

April 24, 2023

1 of 1 Section 937GW – Detection Systems

DEPARTMENT OF TRANSPORTATION

GWINNETT COUNTY

SPECIAL PROVISION

TO GDOT SPECIFICATIONS, 2021 EDITION

Section 647GW — Traffic Control Signal Installation

Key to styles and symbols used in this document:

Italicized Font = Direction on how to handle the section that follows.

Standard Font = Original text from GDOT specification; retained for clarification of modifications.

Bold Font = Additional or modified text.

_ (underscore) = Location where text had been removed from GDOT specification.

Delete subsection 647.3.01.B.2.a. and substitute the following:

647.3.01 Construction Management Requirements

B. Utility Coordination

2. Utility Maintenance

a. The contractor shall be responsible for establishing utility services and ongoing monthly costs related to utility services until Final Acceptance of the traffic control devices. _for County applies for the power tap and takes the responsibility for power during construction.

Add subsection 647.3.05.I.3 and substitute the following:

647.3.05 Installation of Traffic Control Devices

I. Pedestrian Signal Faces

3. Leave a vertical clearance from the bottom of the pedestrian signal face to the ground at a preferred height of 10 ft.

(3m) unless specified in the contract of by the Department __ add. Pedestrain signal housings maybe mounted at a minimum of 7 ft. (2.1m) above the ground line.

Delete subsection 647.3.05.J.5.a.c.d and substitute the following:

647.3.05 Installation of Traffic Control Devices

5. Installation

a. Attach cables to messenger using lashing wire, aluminum ties, or lashing rods.__ for Attach cables to messenger using lashing wire only.

c. Only use lashing rods that are of the same material as the messenger strand_ delete

d. If lasing rods are used, use lashing rods sized for the cables and messenger strand_ delete

April 11, 2023

1 of 2 Section 937GW – Detection Systems

DEPARTMENT OF TRANSPORTATION

GWINNETT COUNTY

SPECIAL PROVISION

TO GDOT SPECIFICATIONS, 2021 EDITION

Section 925GW — Traffic Control Signal Equipment

Key to styles and symbols used in this document:

Italicized Font = Direction on how to handle the section that follows.

Standard Font = Original text from GDOT specification; retained for clarification of modifications.

Delete subsection 925.2.10.B.3.d.iv and substitute the following:

925.2.10 Rectangular Rapid Flashing Beacon Assembly Requirements

B. Equipment

3. Rectangular Rapid Flashing Assembly shall meet the performance requirements listed below:

d. Solar Panel Subsystem and Batteries

iv. Provide cabinet (if required) that is pole mounted, NEMA 4x rated ____ for no fiberglass cabinet with locking clasps or powder coated aluminum with tamper proof hinged door or approved equivalent.

Delete subsection 925.2.14.B.4.b and substitute the following:

925.2.14 Signal Module Requirements

B. Equipment

4. Lens

b. Provide ___all modules with clear (transparent) lenses.

Delete subsection 925.2.17.A.2.a.i and substitute the following:

925.2.17 Vehicle Traffic Face Requirements

A. General

2. Verity that 12 in. (305 mm) polycarbonate vehicle traffic signal faces meet to current ITE Vehicle Traffic Control

Traffic Signal Faces specification with the following modifications pr clarifications:

a. Unless otherwise approved by the Department or noted in the Contract, supply traffic signal faces with the following exterior color scheme.

i. Front face, including doors and visors, flat black with ___for black signal housing (back)

April 11, 2023

2 of 2 Section 937GW – Detection Systems

Delete subsection 925.2.17.C.10 and substitute the following:

925.2.17 Vehicle Traffic Face Requirements

C. Universal Closure Kit Requirements

10. __ Verify that the closure cap is molded to closely match the color of the traffic signal face ___for (black).

Delete subsection 925.2.19.B.1.g and substitute the following:

Delete subsection 925.2.19.B.4.c and substitute the following:

925.2.19 Blank Out Sign Requirements

1. Sign Enclosure

g. Prime the entire case with zinc chromate, bake the inside with two coats of non-yelling white, and paint the outside with two coats of __ flat black as specified in the Contract.

4. Painting

c. Paint the housing, brackets, fittings etc., __ for black.

Delete subsection 925.2.21.B.5 and substitute the following:

925.2.21 Pedestrian Traffic Signal Face Requirements

5. Supply pedestrian traffic signal faces with black face and a __ for black body, unless otherwise specified in the contract.

Delete subsection 925.2.21.B.5 and substitute the following:

925.2.22 Messager and Guy Strand (Span Wire) Requirements

D. Lashing Rod Requirements

1. Verify that all lashing rods are sized in accordance with messenger and cable diameters to be supported.

2. Provide lashing rods that are the same material as the messenger or guy strand.

March 24, 2023

1 of 2 Section 937GW – Detection Systems

DEPARTMENT OF TRANSPORTATION

GWINNETT COUNTY

SPECIAL PROVISION

TO GDOT SPECIFICATIONS, 2021 EDITION

Section 937GW — Detection Systems

Key to styles and symbols used in this document:

Italicized Font = Direction on how to handle the section that follows.

Standard Font = Original text from GDOT specification; retained for clarification of modifications.

Delete subsection 937.2.03.C.1.b and substitute the following:

937.2.03 Pedestrian Detection System

C. Equipment

1. Housing

b. Provide housing and cover with a chromate conversion coating to provide a proper base for paint adhesion. The housing shall be finished with baked enamel finish power coating or paint in highway ___ for black.

2. Pushbutton (all types)

c. Provide switch that meets the following requirements:

i. Switch rated for ___ for 300 million cycles.

E. Requirements

2. Type B pushbutton

d. Pushbutton Locator Tone

ii. Locator tone have a volume range of 30 to __ for 68 dB measured at 3 ft (0.9m) from unit.

e. Vibrating Tactile Button

ii. Provide tactile arrow that is 2 in (52mm) in length and field adjustable to ___ for three directions.

Delete subsection 937.2.05.C.2.c and substitute the following:

937.2.05 Microwave Vehicle Detection System Requirements

C. Equipment

2. Cables

c. __ for Twisted pairs shall be identified by separate insulation colors. Communications pairs shall be individually or commonly shielded. Communication cable shall be 22 or 18 AWG 7-strand tinned copper 2

(1Pair) twisted. Jacket material polyvinyl chloride with jacket color (black) in conductor color depending on the pair lay length 1.5” (orange, white with orange stripe), 1.75” (blue, white with blue stripe) or 2” (black, red).

March 24, 2023

2 of 2 Section 937GW – Detection Systems

Delete subsection 937.2.05.C.2.c and substitute the following:

937.3.02 Inductance Loop Detection System

C. Saw Cut Sealing

1. __ for After successfully testing each loop, fill the slots with sealant to fully encase the conductors using one-part loop sealant mixture that requires a caulk gun or similar device with tip applicator. See Section 833.2.09.