DS2202.401-Addendum-No3-11-22-24.pdf

Project Name: Traffic Signal at Layton Lakes Blvd and Queen Creek Rd Page 1 Project No.: DS2202.401

CITY OF CHANDLER, ARIZONA

TRAFFIC SIGNAL AT LAYTON LAKES BOULEVARD AND QUEEN CREEK ROAD

Project No. DS2202.401

ADDENDUM NO. 3

Date: November 22, 2024

1. Bidder must acknowledge the receipt of this addendum on the Proposal Acknowledgement page of the BID SUBMITTAL. This addendum, containing 7 pages, is hereby incorporated into the Construction Agreement by this reference.

2. Bid schedule. Replace the BID SCHEDULE in its entirety with the accompanying BID SCHEDULE REVISION dated November 2024. The only change is the Bid Item 39 description. See Exhibit A (3 pages).

3. Bid Item 39 in the Technical Specifications/Special Provisions are hereby revised as per Exhibit B as attached. The revised Bid Item 39 – Video Detection System is dated Nov.

2024. See Exhibit B (2 pages).

4. Replace Plans sheet TS02 (Sheet 8) in its entirety with accompanying revised Plans sheet TS02 (Sheet 8) with revisions dated November 20, 2024. See Exhibit C (1 page).

5. Per Addendum 2 (issued on November 8, 2024), the bid due date has been changed.

Sealed bids must be delivered to the City of Chandler Capital Projects Office located at 215 East Buffalo Street, Chandler, Arizona, 85225. Bids must be received on or before 3:00 p.m. local Arizona time on December 5, 2024. Bids will now be opened in the South Atrium Conference Room.

If you have any questions, please email Bid.Questions@chandleraz.gov.

Daniel Haskins, P.E.

CIP City Engineer Public Works & Utilities Dept. – Capital Projects

11/21/24

NAME OF BIDDER: ______________________________________________________

NO. DESCRIPTION UNIT

EST. QTY.

UNIT PRICE EXTENDED PRICE

1 Construction Surveying and Layout LS 1

2 Owners Allowance AL 1 $ 95,000.00 $ 95,000.00

3 Erosion Control (SWPPP Preparation, Installation, Maintenance, and Removal) LS 1

4 Mobilization/Demobilization LS 1

5 Subgrade Preparation SY 99

6 Remove and Replace Asphaltic Concrete Pavement SY 99

7 Vertical Curb & Gutter, Type A, H=6 In, MAG Det 220-1 LF 182

8 Concrete Sidewalk, MAG Det 230 SF 210

9 Dual Directional Concrete Curb Ramp With Detectable Warning, COC Det C-258-1

EA 4

10 Concrete Valley Gutter, MAG Det 240 SF 1,116 11 Adjust Pull Box To Grade EA 1

12 Remove Concrete Curb and Gutter LF 182

13 Remove Sidewalk SF 1,303

14 Remove Concrete Valley Gutter SF 1124

15 Remove and Salvage Streetlight Pole and Equipment EA 1

16 Remove and Relocate Streetlight EA 1

17 Traffic Control LS 1

18 Uniformed Off-Duty Law Enforcement Officer HOUR 80

19 Landscape / Irrigation Restoration LS 1

20 4 In White Traffic Paint Stripe LF 3450

21 4 In White Thermoplastic Traffic Stripe LF 2950

22 Thermoplastic/Preformed Symbol Left Turn Arrow EA 2

23 Thermoplastic/Preformed Symbol Right Turn Arrow EA 2

24 Bike Lane Symbol Set, Type II (High-Build) EA 4

25 Remove and Salvage Sign EA 3

26 Remove Pull Box EA 4

27 No. 7 Pull Box EA 2

28 No. 7 Pull Box w/ Extension EA 1

29 No. 9 Pull Box EA 1

30 Sch. 40 PVC Electrical Conduit, 2 In LF 210

31 Sch. 40 PVC Electrical Conduit, 2½ In (SRP Service Conduit) LF 350

32 Sch. 40 PVC Electrical Conduit, 3 In LF 120

33 Sch. 40 PVC Electrical Conduit, 4 In (Directional Drill) LF 490

CITY OF CHANDLER

Traffic Signal at Layton Lakes Boulevard and Queen Creek Road

BID SCHEDULE

Project No. DS2202.401

REVISED NOVEMBER 2024 - ADDENDUM 3

Bid Page 1 of 3

EXHIBIT A

NO. DESCRIPTION UNIT

EST. QTY.

UNIT PRICE EXTENDED PRICE

BID SCHEDULE

34 Pole Foundation, Type A, ADOT Dwg T-SL 4.01 EA 2

35 Pole Foundation, Type PB (Push Button), ADOT Dwg T-SL 4.27 EA 3

36 Pole Foundation, Type QC EA 2

37 Pole Foundation, Type RC EA 2

38 Audible Pedestrian Push Button w/ Sign EA 8

39 Video Detection System LS 1

40 Sign Assembly (IISNS) EA 4

41 Type A Signal Pole, Type A, ADOT Dwg T-SL 4.01 EA 2

42 Type PB, Push Button Pole. ADOT Dwg T-SL 4.27 EA 3

43 Type QC Signal Pole EA 2

44 Type RC Signal Pole EA 2

45 20 FT Mast Arm (Tapered) EA 4

46 35 FT Mast Arm (Tapered) EA 1

47 40 FT Mast Arm (Tapered) EA 1

48 55 FT Mast Arm (Tapered) EA 2

49 Meter Pedestal Cabinet EA 1

50 Control Cabinet EA 1

51 Emergency Pre-Emption System EA 4

52 Traffic Signal Mounting Assembly (Type II) EA 10

53 Traffic Signal Mounting Assembly (Type IV) EA 2

54 Traffic Signal Mounting Assembly (Type V) EA 8

55 Traffic Signal Mounting Assembly (Type VII) EA 3

56 Traffic Signal Face (Type F) (LED) EA 14

57 Traffic Signal Face (Type Flashing Yellow Arrow) (LED) EA 4

58 Traffic Signal Face (Pedstrian) (Man/Hand) (LED Countdown) EA 8

59 LED Luminaire (Traffic Signal) EA 4

60 Electrical Conductors LS 1

61 Fiber Optic Cable (Single Mode 144) LF 4000

62 Underground Fiber Optic Splice Closure EA 1

63 Fiber Optic Patch Panel (12 Port) EA 1

64 CCTV Camera System EA 1

65 Field Hardened Ethernet Switch EA 1

66 SRP Design & Construction Cost LS 1

TOTAL BASE BID:

Bid Page 2 of 3

BID SCHEDULE

Note 1: Bidders must fill in all blank spaces with an entry. Bids submitted with blank spaces will be considered "Non-Responsive”.

Note 2: Bids will be opened and read aloud at an open public meeting at the time and place designed in the invitation for bids. Bids will not be modified after the bid opening. A bidder withdrawing a bid after the bid opening will be deemed non-responsible and the City may make a claim against the bidder’s bid bond.

Note 3: The City reserves the right to determine the low bidder based on the Base Bid with or without any Bid Alternate(s).

Bid Page 3 of 3

City of Chandler Traffic Signal at Project No. DS2202.401 Layton Lakes Blvd and Queen Creek Rd Technical Specifications Final Submittal / Nov 2024

ITEM NO. 39 VIDEO DETECTION SYSTEM

Description:

The work under this item shall consist of furnishing and installing a complete working video detection system at the locations as specified in the project plans and in accordance with the details shown on the plans and the requirements of these specifications.

A video detection system shall consist of a complete assemblage of the video detection equipment and requirements components for detecting vehicles and bicycles per the direction and approval of the City of Chandler Traffic Management Center (TMC) and Traffic Operations Supervisor, and the approval of the City CIP Inspector.

Materials:

The video detection equipment will be the Ouster BlueCity OS1 2 Sensor Bundle (One Bundle per intersection). The video detection system shall include all necessary equipment and accessories required to install a complete working detection system. The video detection 2 Sensor Bundle (BC-BDL-EDGE-DL-PEROS1R7) shall include, but not be limited by the following items:

• Catalyst, GPU, AGX Orin, Standard Config, Revision 1: OG-CATL-GPU-AGXO- STDC-Rev01: One Per Bundle

• Lidar sensor - OS1 - 128 Channel Rev7: OS1-070-128U-AX-BR: Two Per Bundle.

• Accessory, Mount Kit, Outdoor, Pole Mount: OG-ACC-MNTK-OUT-PM: Two Per Bundle.

• Accessory, POE+, Splitter, OSDome/0/1 24V: OG-ACC-POE-SPLT-OS24V: Two Per Bundle

• Accessory, Mount Part, Splitter Mount: OG-ACC-MNTP-PSM: Two Per Bundle

• Software, Detect, Classic, Perpetual: OG-SW-DTCT-CLSC-PER: One Per Bundle

• Software, ITS Edge, Actuation, Perpetual: OG-SW-ITSE-ACT-PER: One Per Bundle

Sensor calibration and alignment shall be completed per manufacturer’s requirements.

Contractor shall work with City TMC to ensure sensor calibration and alignments are correct.

The video detection system will optimally detect vehicle passage and presence when the Lidar sensor is mounted 4-5 meters above the roadway, tilted 10 degrees down, and when the sensor is calibrated.

EXHIBIT B

Revised - Addendum 3

City of Chandler Traffic Signal at Project No. DS2202.401 Layton Lakes Blvd and Queen Creek Rd Technical Specifications Final Submittal / Nov 2024

Warranty, Support and Service:

The contractor shall provide a minimum of one-year warranty for the video detection system. Ongoing software support by the contractor shall include software updates of the sensor, modular cabinet interface unit and computer applications. These updates will be provided free of charge during the one-year warranty period.

Construction Requirements:

A member of the City’s TMC will supervise the installation and testing of the video detection system.

The video detection system shall be installed and optimized by an authorized Ouster representative per manufacturer’s specifications using the Ouster Gemini Pole Mount Bracket on the signal pole.

The final mounting location shall be per manufacturer’s requirements and approved by the City’s TMC and City Traffic Operations Supervisor, which will inspect and approve the installation and mounting location of the sensor prior to acceptance.

Measurement:

The Video Detection System will be measured as a complete unit of work for each video detection system furnished and installed.

Payment:

The accepted quantity of Video Detection System, measured as provided above, will be paid for at the contract lump sum price, which price shall be full compensation for the work described and specified herein and, on the plans, including sensors, cabling, mounting brackets, interface panels, software, and all other components necessary to provide a complete functional system.

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GENERAL NOTES:

CONDUCTOR SCHEDULE

6000 S

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5999 S 4000 E

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Layton Lakes 6000 S

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5999 S 4000 E

Queen Creek 6000 S

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CABINET AND POLE SCHEDULE

CONTRACTOR SHALL INSTALL TEMPORARY TRAFFIC CONTROL

CHANGE WARNING SIGNS ON SPRING STANDS FOR ALL DIRECTIONS

FOR A PERIOD OF 30 DAYS (FLAGGED AND LIGHTED) COORDINATE

WITH DANNY MARTINEZ FOR TEMPORARY WARNING SIGNS. HE IS

WITH THE STRIPING DEPARTMENT AND CAN BE REACHED AT

DANNY.MARTINEZ@CHANDLERAZ.GOV

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