A22 - Solicitation Amendment W912EK26BA0010004 with Specs Rev3.pdf

00 91 00.00 04

PRECONTRACT REVISIONS - AMENDMENTS

The following changes are made to the SCHEDULE OF PRICES, PROJECT TABLE OF

CONTENTS, SECTION 01 20 00, SECTION 01 33 00, SECTION 01 45 00,

SECTION 31 43 13.13, SECTION 31 50 00, and the DRAWINGS:

a. SCHEDULE OF PRICES. ALL PAGES. Delete the Schedule of Prices in its entirety, and substitute revised Schedule of Prices, Amendment 0004.

b. PROJECT TABLE OF CONTENTS. ALL PAGES. Delete Project Table of Contents in its entirety, and substitute revised Project Table of Contents, Amendment 0004.

c. SECTION 01 20 00. ALL PAGES. Delete Section 01 20 00 in its entirety, and substitute revised Section 01 20 00, Amendment 0004.

d. SECTION 01 33 00. ATTACHMENT A - SUBMITTAL REGISTER. Delete Section 01 33 00 ATTACHMENT A - Submittal Register in its entirety, and substitute revised Section 01 33 00 ATTACHMENT A - Submittal Register, Amendment 0004.

e. SECTION 01 45 00. ALL PAGES. Delete Section 01 45 00 in its entirety, and substitute revised Section 01 45 00, Amendment 0004.

f. SECTION 31 43 13.13. ALL PAGES. Delete Section 31 43 13.13 in its entirety.

g. SECTION 31 50 00. ALL PAGES. Delete Section 31 50 00 in its entirety.

h. DRAWINGS (SUPERSEDED)

Revised drawings listed below are being issued with this Amendment. Such revised drawings supersede those of the same sheet identification numbers listed in the INDEX OF DRAWINGS furnished with Solicitation No.

W912EK26BA001.

(1) VOLUME 401 SHEETS C-502, CD101, CD102, CD103, CD104, CD105, CD106,

CI111, CI112, CI113, CI114, CI115

i. ATTACHMENTS

(1) Schedule of Prices

(2) Project Table of Contents

(3) Section 01 20 00

(4) Section 01 33 00 ATTACHMENT A - Submittal Register

(5) Section 01 45 00

(6) VOLUME 401 SHEETS C-502, CD101, CD102, CD103, CD104, CD105, CD106,

CI111, CI112, CI113, CI114, CI115

Cedar Rapids FRM Project Reach 4 Repackaging Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

BASE BID: VOL 401 - Reach 4 Floodwall

0101 Mobilization and Demobilization 1 JOB XXXXXXXX $ 0102 Temporary Construction Controls 1 JOB XXXXXXXX $ 0103 Demolition and Deconstruction 1 JOB XXXXXXXX $ 0104 Temporary Traffic Controls 1 JOB XXXXXXXX $ 0105 Protection and Dewatering 1 JOB XXXXXXXX $ 0106 Clearing, Grubbing, and Stripping 1 JOB XXXXXXXX $ 0107 PCC Paving and Patching Work 1 JOB XXXXXXXX $ 0108 CIP Structural Concrete - Gatewells 1 and 2

1 JOB XXXXXXXX

0109 Precast Structural Concrete 1 JOB XXXXXXXX $ 0110 Metal Fabrications - Grating, Handrailing, and Ladders

1 JOB XXXXXXXX

0111 Metal Sheet Piling

0111AA First 100,000 Square Feet 100,000 SF $ $ 0111AB Over 100,000 Square Feet 22,000 SF $ $ 0112 Relief Wells 1 JOB XXXXXXXX $ 0113 Structural Excavation 0113AA First 36,831 Cubic Yards 36,831 CY $ $ 0113AB Over 36,831 Cubic Yards 6,500 CY $ $ 0114 Embankment/Impervious Fill 0114AA First 22,895 Cubic Yards 22,895 CY $ $ 0114AB Over 22,895 Cubic Yards 4,040 CY $ $ 0115 Cleanouts 1 JOB XXXXXXXX $ 0116 Manholes - Precast 9 Foot 1 EA $ $ 0117 Manholes - Precast 6 Foot 7 EA $ $ 0118 Manholes - Precast 5 Foot 4 EA $ $ 0119 Manholes - Precast 4 Foot 5 EA $ $ 0120 Manholes - Precast 2 Foot 1 EA $ $ 0121 End Sections 2 EA $ $ 0122 RCP Storm Sewer - 42-Inch 687 LF $ $ 0123 RCP Storm Sewer - 36-Inch 505 LF $ $ 0124 RCP Storm Sewer - 24-Inch 159 LF $ $

AMEND. 0004

Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES (continued)

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0125 RCP Storm Sewer - 18-Inch 32 LF $ $ 0126 RCP Storm Sewer - 15-Inch 173 LF $ $ 0127 Non-contact Cooling Sewer - 21-Inch 58 LF $ $ 0128 Non-contact Cooling Sewer - 18-Inch 32 LF $ $ 0129 Slide Gate - 24-inch 4 EA $ $ 0130 Trench/Toe Drain 1 JOB XXXXXXXX $ 0131 Geotechnical Instrumentation 1 JOB XXXXXXXX $ 0132 Flood Wall Construction 1 JOB XXXXXXXX $ 0133 Chain Link Fencing 245 LF $ $ 0134 Concrete Curb and Gutter 243 LF $ $ 0135 Bollards 8 EA $ $ 0136 Access Gates 2 EA $ $ 0137 Cast-in-Place Retaining Walls 1 JOB XXXXXXXX $ 0138 Geotextile 3,644 SF $ $ 0139 Surface Aggregate - IADOT #11 1,740 SF $ $ 0139AA (Not Used) 0139AB (Not Used) 0140 (Not Used)

0140AA (Not Used) 0140AB (Not Used) 0141 Aggregate - IADOT #35

0141AA First 1,645 Tons 1,645 TN $ $ 0141AB Over 1,645 Tons 288 TN $ $ 0142 Bedding Stone

0142AA First 889 Tons 889 TN $ $ 0142AB Over 889 Tons 297 TN $ $ 0143 Riprap Class C

0143AA First 10,293 Tons 10,293 TN $ $ 0143AB Over 10,293 Tons 3,431 TN $ $ 0144 Topsoil 408 CY $ $ 0145 Electrical and Communication

Distribution Work

1 JOB XXXXXXXX

Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES (continued)

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0146 Mechanical Piping and Valves 1 JOB XXXXXXXX $ 0147 Seeding and Site Restoration 1 JOB XXXXXXXX $ 0148 Water Main Distribution - Upstream 1 JOB XXXXXXXX $ 0149 Water Main Extended Performance

Bond

1 JOB XXXXXXXX

0150 PCC Trail and Pads 44,540 SF $ $ 0151 (Not Used)

0152 Trail Safety Rail 2,500 LF $ $

0153 Trail Retaining and Parapet Walls 744 LF $ $

BASE BID: VOL 403 - Reach 4 Pump Station

0301 (Not Used) 0302 CIP Structural Concrete 1 JOB XXXXXXXX $ 0303 Precast Structural Concrete 1 JOB XXXXXXXX $ 0304 Infill Concrete 1 JOB XXXXXXXX $ 0305 Structural Metal Fabrications 1 JOB XXXXXXXX $ 0306 Metal Fabrications 1 JOB XXXXXXXX $ 0307 Metal Sheet Piling 2,275 SF $ $ 0308 Steel H-Piles 3,075 LF $ $ 0309 Storm Water Pumps 3 EA $ $ 0310 Structural Excavation 3,723 CY $ $ 0311 General Fill 1,983 CY $ $ 0312 Structural Backfill 335 CY $ $ 0313 (Not Used) 0314 RCP Storm Sewer - 60-Inch 15 LF $ $ 0315 Slide Gate - 72x72 Inch 2 EA $ $ 0316 Slide Gate - 72x54 Inch 1 EA $ $ 0317 Bar Screen 1 JOB XXXXXXXX $ 0318 Bedding Stone 0318AA First 325 Tons 325 TN $ $ 0318AB Over 325 Tons 32 TN $ $

Floodwall V401 and Pump Station V403 Linn County, Iowa

SCHEDULE OF PRICES (continued)

Solicitation No. W912EK26BA001

ITEM NO. SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0319 Riprap Class C 0319AA First 556 Tons 556 TN $ $ 0319AB Over 556 Tons 55 TN $ $ 0320 Utilities - Electrical 1 JOB XXXXXXXX $

OPTION A: VOL 401 and VOL 403 - Reach 4 Floodwall and Pump Station

0401 Flood Barriers Installation

0401AA First 5,000 Linear Feet 5,000 LF $ $ 0401AB Over 5,000 Linear Feet 1,250 LF $ $ 0402 Flood Emergency Response Operation

0402AA First 450 Hours 450 HR $ $ 0402AB Over 450 Hours 150 HR $ $ 0403 Flood Emergency Pump Supply

0403AA First 15 Days 15 DA $ $ 0403AB Over 15 Days 15 DA $ $

CY = CUBIC YARD DA = DAY EA = EACH

HR = HOUR JOB = LUMP SUM LF = LINEAR FOOT

SF = SQUARE FOOT TN = TON

COMPLETE UNIT PRICE AND AMOUNT LINES FOR ALL ITEMS.

THE GOVERNMENT RESERVES THE RIGHT TO EXERCISE

OPTION A AT ANY TIME DURING THE BASE BID CONTRACT

DURATION.

TOTAL OF ESTIMATED AMOUNTS - BASE BID AND OPTION A

(ITEM NOS. 0101 THROUGH 0403AB, INCL.)

TOTAL OF ESTIMATED AMOUNTS - OPTION A

(ITEM NOS. 0401 THROUGH 0403AB, INCL.)

TOTAL OF ESTIMATED AMOUNTS - BASE BID

(ITEM NOS. 0101 THROUGH 0320, INCL.)

Solicitation No. W912EK26BA001

PROJECT TABLE OF CONTENTS

DIVISION 00 - PROCUREMENT AND CONTRACTING REQUIREMENTS

00 73 05 SPECIAL CONTRACT REQUIREMENTS

DIVISION 01 - GENERAL REQUIREMENTS

01 11 00 SUMMARY OF WORK

01 20 00 PRICE AND PAYMENT PROCEDURES

01 32 01 PROJECT SCHEDULE

01 33 00 SUBMITTAL PROCEDURES

01 35 26 GOVERNMENTAL SAFETY REQUIREMENTS

01 35 29 FLOOD EMERGENCY RESPONSE PROCEDURES

01 42 00 SOURCES FOR REFERENCE PUBLICATIONS

01 45 00 RESIDENT MANAGEMENT SYSTEM CONTRACTOR MODE (RMS CM)

**AMEND. 0004**

01 45 04 CONTRACTOR QUALITY CONTROL

01 45 35 SPECIAL INSPECTIONS

01 50 02 TEMPORARY CONSTRUCTION CONTROLS

01 53 00 TEMPORARY FLOOD PROTECTION

01 53 02 TEMPORARY RETAINING STRUCTURES

01 57 19 TEMPORARY ENVIRONMENTAL CONTROLS

01 78 00 CLOSEOUT SUBMITTALS

DIVISION 02 - EXISTING CONDITIONS

02 21 00 SURVEYS

02 41 00 DEMOLITION AND DECONSTRUCTION

DIVISION 03 - CONCRETE

03 11 14 FORMWORK FOR CONCRETE

03 15 14 JOINTS IN CONCRETE

03 15 15 GROUT AND ANCHOR BOLTS

03 20 01 CONCRETE REINFORCEMENT

03 31 00 CAST-IN-PLACE STRUCTURAL CONCRETE

03 41 00 PLANT-PRECAST STRUCTURAL CONCRETE

DIVISION 05 - METALS

05 50 11 STEEL PIPE GUARDS (BOLLARDS)

05 50 14 STRUCTURAL METAL FABRICATIONS

05 50 15 CIVIL WORKS FABRICATIONS

05 59 20 DELETED **AMEND. 0003**

DIVISION 09 - FINISHES

09 90 00 PAINTS AND COATINGS

09 97 02 PAINTING: HYDRAULIC STRUCTURES

DIVISION 13 - SPECIAL CONSTRUCTION

13 50 00 GEOTECHNICAL INSTRUMENTATION

DIVISION 25 - INTEGRATED AUTOMATION

25 05 11 CYBERSECURITY FOR CIVIL WORKS OPERATIONAL TECHNOLOGY

PROJECT TABLE OF CONTENTS Page 1

DIVISION 26 - ELECTRICAL

26 00 00 BASIC ELECTRICAL MATERIALS AND METHODS

26 20 00 EXTERIOR DISTRIBUTION SYSTEM

26 41 00 LIGHTNING PROTECTION SYSTEM

26 56 00 EXTERIOR LIGHTING

DIVISION 31 - EARTHWORK

31 00 00 EARTHWORK

31 05 22 GEOTEXTILES

31 09 06 VIBRATION MONITORING

31 41 16 METAL SHEET PILING

31 43 13.13 DELETED **AMEND. 0004**

31 50 00 DELETED **AMEND. 0004**

31 62 16 STEEL H-PILES

DIVISION 32 - EXTERIOR IMPROVEMENTS

32 01 20 DELETED **AMEND. 0003**

32 01 29 PAVEMENT PATCHING

32 11 23 AGGREGATE BASE AND SURFACE COURSES

32 12 10 DELETED **AMEND. 0003**

32 12 16 DELETED **AMEND. 0003**

32 13 13 CONCRETE PAVEMENTS, SLABS, SIDEWALKS, CURB AND GUTTERS

32 17 23 PAVEMENT MARKINGS

32 31 13 CHAIN LINK FENCES AND GATES

32 92 19 SEEDING

DIVISION 33 - UTILITIES

33 11 00 WATER UTILITY DISTRIBUTION PIPING

33 26 00 RELIEF WELLS

33 40 00 STORM DRAINAGE UTILITIES

33 46 10 SUBDRAINAGE SYSTEMS

33 71 02 UNDERGROUND ELECTRICAL DISTRIBUTION

DIVISION 35 - WATERWAY AND MARINE CONSTRUCTION

35 20 17 HYDRAULIC SLIDE GATES

35 20 18 VERTICAL LIFT GATES

35 31 19 STONE PROTECTION

35 45 02 SUBMERSIBLE PUMP, AXIAL-FLOW AND MIXED-FLOW TYPE

DIVISION 40 - PROCESS INTERCONNECTIONS

40 05 13 PIPELINES, LIQUID PROCESS PIPING

40 95 00 PROCESS CONTROL

DIVISION 46 - WATER AND WASTEWATER EQUIPMENT

46 20 20 BAR SCREEN AND MECHANICAL RAKE

-- End of Project Table of Contents --

PROJECT TABLE OF CONTENTS Page 2

SECTION TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

SECTION 01 20 00

PRICE AND PAYMENT PROCEDURES

PART 1 GENERAL

1.1 REFERENCES

1.2 JOB PAYMENT ITEMS

1.2.1 Mobilization and Demobilization

1.2.1.1 Payment

1.2.1.2 Unit of Measure

1.2.2 Temporary Construction Controls

1.2.2.1 Payment

1.2.2.2 Unit of Measure

1.2.3 Demolition and Deconstruction

1.2.3.1 Payment

1.2.3.2 Unit of Measure

1.2.4 Temporary Traffic Controls

1.2.4.1 Payment

1.2.4.2 Unit of Measure

1.2.5 Protection and Dewatering

1.2.5.1 Payment

1.2.5.2 Unit of Measure

1.2.6 Clearing, Grubbing, and Stripping

1.2.6.1 Payment

1.2.6.2 Unit of Measure

1.2.7 PCC Paving and Patching Work

1.2.7.1 Payment

1.2.7.2 Unit of Measure

1.2.8 Cast-In-Place Structural Concrete

1.2.8.1 Payment

1.2.8.2 Unit of Measure

1.2.9 Precast Structural Concrete

1.2.9.1 Payment

1.2.9.2 Unit of Measure

1.2.10 Metal Fabrications

1.2.10.1 Payment

1.2.10.2 Unit of Measure

1.2.11 Relief Wells

1.2.11.1 Payment

1.2.11.2 Unit of Measure

1.2.12 Cleanouts

1.2.12.1 Payment

1.2.12.2 Unit of Measure

1.2.13 Trench/Toe Drain

1.2.13.1 Payment

1.2.13.2 Unit of Measure

1.2.14 Geotechnical Instrumentation

1.2.14.1 Payment

1.2.14.2 Unit of Measure

1.2.15 Flood Wall Construction

1.2.15.1 Payment

SECTION 01 20 00 Page 1

1.2.15.2 Unit of Measure

1.2.16 Cast-in-Place Retaining Walls

1.2.16.1 Payment

1.2.16.2 Unit of Measure

1.2.17 Electrical and Communication Distribution Work

1.2.17.1 Payment

1.2.17.2 Unit of Measure

1.2.18 Mechanical Piping and Valves

1.2.18.1 Payment

1.2.18.2 Unit of Measure

1.2.19 Seeding and Site Restoration

1.2.19.1 Payment

1.2.19.2 Unit of Measure

1.2.20 Water Main Distribution

1.2.20.1 Payment

1.2.20.2 Unit of Measure

1.2.21 Water Main Extended Performance Bond

1.2.21.1 Payment

1.2.21.2 Unit of Measure

1.2.22 Deleted **AMEND. 0003**

1.2.22.1 Deleted **AMEND. 0003**

1.2.22.2 Deleted **AMEND. 0003**

1.2.23 Infill Concrete

1.2.23.1 Payment

1.2.23.2 Unit of Measure

1.2.24 Structural Metal Fabrications

1.2.24.1 Payment

1.2.24.2 Unit of Measure

1.2.25 Bar Screen

1.2.25.1 Payment

1.2.25.2 Unit of Measure

1.2.26 Electrical Utility Work

1.2.26.1 Payment

1.2.26.2 Unit of Measure

1.3 UNIT PRICE PAYMENT ITEMS

1.3.1 Metal Sheet Piling

1.3.1.1 Payment

1.3.1.2 Measurement

1.3.1.3 Unit of Measure

1.3.2 Structural Excavation

1.3.2.1 Payment

1.3.2.2 Measurement

1.3.2.3 Unit of Measure

1.3.3 Embankment/Impervious Fill

1.3.3.1 Payment

1.3.3.2 Measurement

1.3.3.3 Unit of Measure

1.3.4 Manholes

1.3.4.1 Payment

1.3.4.2 Measurement

1.3.4.3 Unit of Measure

1.3.5 End Sections

1.3.5.1 Payment

1.3.5.2 Measurement

1.3.5.3 Unit of Measure

1.3.6 RCP Storm Sewer

1.3.6.1 Payment

1.3.6.2 Measurement

1.3.6.3 Unit of Measure

SECTION 01 20 00 Page 2

1.3.7 Non-Contact Cooling Sewer

1.3.7.1 Payment

1.3.7.2 Measurement

1.3.7.3 Unit of Measure

1.3.8 Slide Gate

1.3.8.1 Payment

1.3.8.2 Measurement

1.3.8.3 Unit of Measure

1.3.9 Chain Link Fencing

1.3.9.1 Payment

1.3.9.2 Measurement

1.3.9.3 Unit of Measure

1.3.10 Concrete Curb and Gutter

1.3.10.1 Payment

1.3.10.2 Measurement

1.3.10.3 Unit of Measure

1.3.11 Bollards

1.3.11.1 Payment

1.3.11.2 Measurement

1.3.11.3 Unit of Measure

1.3.12 Access Gates

1.3.12.1 Payment

1.3.12.2 Measurement

1.3.12.3 Unit of Measure

1.3.13 Geotextile

1.3.13.1 Payment

1.3.13.2 Measurement

1.3.13.3 Unit of Measure

1.3.14 Aggregate

1.3.14.1 Payment

1.3.14.2 Measurement

1.3.14.3 Unit of Measure

1.3.15 Surface Aggregate - IADOT #11 **AMEND. 0003**

1.3.15.1 Payment **AMEND. 0003**

1.3.15.2 Measurement **AMEND. 0003**

1.3.15.3 Unit of Measure **AMEND. 0003**

1.3.16 Bedding Stone

1.3.16.1 Payment

1.3.16.2 Measurement

1.3.16.3 Unit of Measure

1.3.17 Riprap

1.3.17.1 Payment

1.3.17.2 Measurement

1.3.17.3 Unit of Measure

1.3.18 Topsoil

1.3.18.1 Payment

1.3.18.2 Measurement

1.3.18.3 Unit of Measure

1.3.19 PCC Trail and Pads **AMEND. 0003**

1.3.19.1 Payment

1.3.19.2 Measurement

1.3.19.3 Unit of Measure

1.3.20 Deleted **AMEND. 0003**

1.3.20.1 Deleted **AMEND. 0003**

1.3.20.2 Deleted **AMEND. 0003**

1.3.20.3 Deleted **AMEND. 0003**

1.3.21 Safety Rail

1.3.21.1 Payment

1.3.21.2 Measurement

SECTION 01 20 00 Page 3

1.3.21.3 Unit of Measure

1.3.22 Trail Retaining and Parapet Walls

1.3.22.1 Payment

1.3.22.2 Measurement

1.3.22.3 Unit of Measure

1.3.23 Steel H-Piles

1.3.23.1 Payment

1.3.23.2 Measurement

1.3.23.3 Unit of Measure

1.3.24 Storm Water Pumps

1.3.24.1 Payment

1.3.24.2 Measurement

1.3.24.3 Unit of Measure

1.3.25 General Fill

1.3.25.1 Payment

1.3.25.2 Measurement

1.3.25.3 Unit of Measure

1.3.26 Structural Backfill

1.3.26.1 Payment

1.3.26.2 Measurement

1.3.26.3 Unit of Measure

1.3.27 Deleted **AMEND. 0003**

1.3.27.1 Deleted **AMEND. 0003**

1.3.27.2 Deleted **AMEND. 0003**

1.3.27.3 Deleted **AMEND. 0003**

1.3.28 Flood Barriers Installation

1.3.28.1 Payment

1.3.28.2 Measurement

1.3.28.3 Unit of Measure

1.3.29 Flood Emergency Response Operation

1.3.29.1 Payment

1.3.29.2 Measurement

1.3.29.3 Unit of Measure

1.3.30 Flood Emergency Pump Supply

1.3.30.1 Payment

1.3.30.2 Measurement

1.3.30.3 Unit of Measure

PART 2 PRODUCTS

PART 3 EXECUTION

-- End of Section Table of Contents --

SECTION 01 20 00 Page 4

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

The above numbered solicitation is amended as set forth in Item 14. The hour and date specified for receipt of Offers is extended. is not extended.

Offers must acknowledge receipt of this amendment prior to the hour and date specified in the solicitation or as amended, by one of the following methods:

(a) By completing items 8 and 15, and returning copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or electronic communication which includes a reference to the solicitation and amendment numbers. FAILURE OF YOUR ACKNOWLEDGMENT TO BE RECEIVED AT THE PLACE DESIGNATED FOR THE RECEIPT OF OFFERS PRIOR TO THE HOUR AND DATE SPECIFIED MAY RESULT IN REJECTION OF YOUR OFFER.

If by virtue of this amendment you desire to change an offer already submitted, such change may be made by letter or electronic communication, provided each letter or electronic communication makes reference to the solicitation and this amendment, and is received prior to the opening hour and date specified.

12. ACCOUNTING AND APPROPRIATION DATA (If required)

13. THIS ITEM APPLIES ONLY TO MODIFICATIONS OF CONTRACTS/ORDERS.

IT MODIFIES THE CONTRACT/ORDER NUMBER AS DESCRIBED IN ITEM 14.

CHECK ONE A. THIS CHANGE ORDER IS ISSUED PURSUANT TO: (Specify authority) THE CHANGES SET FORTH IN ITEM 14 ARE MADE IN THE CONTRACT ORDER

NUMBER IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation data, etc.) SET FORTH IN ITEM 14, PURSUANT TO THE AUTHORITY OF FAR 43.103(b).

C. THIS SUPPLEMENTAL AGREEMENT IS ENTERED INTO PURSUANT TO AUTHORITY OF:

D. OTHER (Specify type of modification and authority)

E. IMPORTANT: Contractor is not is required to sign this document and return copies to the issuing office.

14. DESCRIPTION OF AMENDMENT/MODIFICATION (Organized by UCF section headings, including solicitation/contract subject matter where feasible.)

Except as provided herein, all terms and conditions of the document referenced in Item 9A or 10A, as heretofore changed, remains unchanged and in full force and effect.

15A. NAME AND TITLE OF SIGNER (Type or print) 16A. NAME AND TITLE OF CONTRACTING OFFICER (Type or print)

15B. CONTRACTOR/OFFEROR

(Signature of person authorized to sign)

15C. DATE SIGNED 16B. UNITED STATES OF AMERICA

(Signature of Contracting Officer)

16C. DATE SIGNED

Previous edition unusable STANDARD FORM 30 (REV. 11/2016) Prescribed by GSA FAR (48 CFR) 53.243

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT 1. CONTRACT ID CODE PAGE OF PAGES

2. AMENDMENT/MODIFICATION NUMBER 3. EFFECTIVE DATE 4. REQUISITION/PURCHASE REQUISITION NUMBER 5. PROJECT NUMBER (If applicable)

6. ISSUED BY CODE 7. ADMINISTERED BY (If other than Item 6) CODE

8. NAME AND ADDRESS OF CONTRACTOR (Number, street, county, State and ZIP Code) (X) 9A. AMENDMENT OF SOLICITATION NUMBER

9B. DATED (SEE ITEM 11)

10A. MODIFICATION OF CONTRACT/ORDER NUMBER

10B. DATED (SEE ITEM 13)

CODE FACILITY CODE

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

Section 00 01 15 - List of Drawing Sheets

The attachments table has changed from:

Identifi er

Document Name

Document Description Reference Identifier

Date Line Item

Page N umbers

Docum ent Type

Provid ed Under Separa te Cover

0001 Attachment J- 1 Wage Determination

Wage Determination 03 Jan

10 Attach ment

No

0002 Attachment J- 1 Wage Determination Rev1

Wage Determination 16 Jan

Attach ment

No

0003 Attachment J- 2 Plan Set -

VOL 401

Floodwall

Plan Set 14 Nov

198 Attach ment

No

0004 Attachment J- 2 Plan Set -

VOL 401

Floodwall Rev1

Plan Set 19 Dec

48 Attach ment

No

0005 Attachment J- 2 Plan Set -

VOL 401

Floodwall Rev2

Plan Set 23 Jan

Attach ment

No

0006 Attachment J- 3 Plan Set -

VOL 403

Pump Station

Plan Set 14 Nov

61 Attach ment

No

0007 Attachment J- 3 Plan Set -

VOL 403

Pump Station Rev1

Plan Set 23 Jan

Attach ment

No

0008 Attachment J- Supplemental Data

Supporting Technical Documentation

Attachme nt A to Section 00 73 05

14 Nov

220 Attach ment

No

W912EK26BA0010004

0009 Attachment J- 5 - Reference Plan Set

Supporting Technical Documentation

19 Dec

92 Attach ment

No

0010 Attachment J- 6 - Reference Plan Set 2

Supporting Technical Documentation

29 Feb

Attach ment

No

To:

Identifi er

Document Name

Document Description Reference Identifier

Date Line Item

Page N umbers

Docum ent Type

Provid ed Under Separa te Cover

0001 Attachment J- 1 Wage Determination

Wage Determination 03 Jan

10 Attach ment

No

0002 Attachment J- 1 Wage Determination Rev1

Wage Determination 16 Jan

9 Attach ment

No

0003 Attachment J- 2 Plan Set -

VOL 401

Floodwall

Plan Set 14 Nov

198 Attach ment

No

0004 Attachment J- 2 Plan Set -

VOL 401

Floodwall Rev1

Plan Set 19 Dec

48 Attach ment

No

0005 Attachment J- 2 Plan Set -

VOL 401

Floodwall Rev2

Plan Set 23 Jan

20 Attach ment

No

0006 Attachment J- 2 Plan Set -

VOL 401

Floodwall Rev3

Plan Set 09 Mar

12 Attach ment

No

0007 Attachment J- 3 Plan Set -

VOL 403

Pump Station

Plan Set 14 Nov

61 Attach ment

No

0008 Attachment J- 3 Plan Set -

VOL 403

Pump Station Rev1

Plan Set 23 Jan

3 Attach ment

No

0009 Attachment J- Supplemental Data

Supporting Technical Documentation

Attachme nt A to Section 00 73 05

14 Nov

220 Attach ment

No

0010 Attachment J- 5 - Reference Plan Set

Supporting Technical Documentation

19 Dec

92 Attach ment

No

0011 Attachment J- 6 - Reference Plan Set 2

Supporting Technical Documentation

29 Feb

20 Attach ment

No

The following contract documents were added:

Attachment J-2 Plan Set - VOL 401 Floodwall Rev3

The following contract documents were modified:

Attachment J-3 Plan Set - VOL 403 Pump Station

INFORMATION FROM TO

Attachment Identifier 0006 0007

Attachment J-3 Plan Set - VOL 403 Pump Station Rev1

INFORMATION FROM TO

Attachment Identifier 0007 0008

Attachment J-4 Supplemental Data

INFORMATION FROM TO

Attachment Identifier 0008 0009

Attachment J-5 - Reference Plan Set

INFORMATION FROM TO

Attachment Identifier 0009 0010

Attachment J-6 - Reference Plan Set 2

INFORMATION FROM TO

Attachment Identifier 0010 0011

The following contract documents Page Counts were changed:

DOCUMENT PAGE COUNTS

DOCUMENT NAME FROM TO

Attachment J-2 Plan Set - VOL 401 Floodwall Rev3 none 12

SECTION 01 20 00

PRICE AND PAYMENT PROCEDURES

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this section to the extent referenced. The publications are referred to within the text by the basic designation only.

IOWA DEPARTMENT OF TRANSPORTATION (IADOT)

IADOT (2023) Standard Specifications for Highway and Bridge Construction

1.2 JOB PAYMENT ITEMS

Payment items for the work of this Contract for which Contract job payments will be made are listed in the SCHEDULE OF PRICES and as described below.

All costs for items of work, which are not specifically mentioned to be included in a particular job or unit price payment item, are included in the listed job item most closely associated with the work involved. The job price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for which separate payment is not otherwise provided.

1.2.1 Mobilization and Demobilization

1.2.1.1 Payment

Mobilization and demobilization for all plant and equipment, materials, tools, and supplies necessary to complete the work including, but not limited to, acquiring and stockpiling the temporary flood barriers and delivering the salvageable units to the City of Cedar Rapids will be made for Item No. 0101, "Reach 4 Floodwall, Mobilization and Demobilization," of the Base Bid. Mobilization consists of all costs required to prepare plant and equipment for shipment, moving plant, equipment, supplies, and incidentals to the work site. Demobilization consists of all costs required to prepare plant and equipment for removal and for removing all plant, equipment, unused supplies, and incidentals from the work site, including restoration of staging areas used for construction operations.

The Contractor will be paid 60 percent of the job price upon completion of mobilization to the work site. The remaining 40 percent will be paid to the Contractor upon completion of demobilization at the end of the Contract. Construction bonds, with proof of a paid invoice, may be paid under this payment item.

1.2.1.2 Unit of Measure

Unit of measure: job.

SECTION 01 20 00 Page 5

1.2.2 Temporary Construction Controls

1.2.2.1 Payment

Payment for all costs associated with, but not limited to, site plan, pumping, retaining/shoring structures, construction causeway, and temporary turf reinforcement mat including incidentals will be made for Item No.

0102, "Reach 4 Floodwall, Temporary Construction Controls," of the Base Bid.

1.2.2.2 Unit of Measure

Unit of measure: job.

1.2.3 Demolition and Deconstruction

1.2.3.1 Payment

Payment for all costs associated with demolition to include, but not limited to, demolition activities and proper disposal, salvaging, or recycling debris, pavement, slabs, stairs, sidewalks, abandoned utilities, existing conflicting utilities, existing riverside riprap, existing berm riprap, and existing concrete walls; removing the precast facade from the 16th Avenue bridge as indicated; and deconstruction activities to remove, store, reinstall, fences, signs, and light poles, will be made for Item No.

0103, "Reach 4 Floodwall, Demolition and Deconstruction," of the Base Bid.

1.2.3.2 Unit of Measure

Unit of measure: job.

1.2.4 Temporary Traffic Controls

1.2.4.1 Payment

Payment for all costs associated with, but not limited to, flaggers, barriers, flashing lights, street marking or cone installation, signage, permanent Type III barricade and trail closed sign, Jersey barriers at the end of the trail and floodwall including incidentals will be made for Item No. 0104, "Reach 4 Floodwall, Temporary Traffic Controls," of the Base Bid.

1.2.4.2 Unit of Measure

Unit of measure: job.

1.2.5 Protection and Dewatering

1.2.5.1 Payment

Payment for all costs associated with dewatering operations including, but not limited to, designing, fabricating, providing, maintaining, dewatering operations, debris removal; and removing the dewatering structure will be made for Item No. 0105, "Reach 4 Floodwall, Protection and Dewatering," of the Base Bid.

1.2.5.2 Unit of Measure

Unit of measure: job.

SECTION 01 20 00 Page 6

1.2.6 Clearing, Grubbing, and Stripping

1.2.6.1 Payment

Payment for all costs associated with, but not limited to, clearing, grubbing, stripping; disposal of removed trees and trees felled by others, saplings, brush, vegetation stockpile stripped materials, debris, and incidentals will be made for Item No. 0106, "Reach 4 Floodwall, Clearing, Grubbing, and Stripping," of the Base Bid.

1.2.6.2 Unit of Measure

Unit of measure: job.

1.2.7 PCC Paving and Patching Work

1.2.7.1 Payment

Payment for all costs associated with, but not limited to, providing aggregate or milling of pavement, formwork, reinforcing, concrete, testing, jointing work and incidentals will be made for Item No. 0107, "Reach 4 Floodwall, PCC Paving and Patching Work," of the Base Bid.

1.2.7.2 Unit of Measure

Unit of measure: job.

1.2.8 Cast-In-Place Structural Concrete

1.2.8.1 Payment

Payment for all costs associated with, but not limited to, providing concrete for gatewells, base slab, pump floor, pump wall, operating floor slab, discharge channel wall, and outlet structure slabs and walls, formwork, reinforcing steel, concrete, placing, finishing, curing, and testing will be made for:

Item No. 0108, "Reach 4 Floodwall, CIP Structural Concrete - Gatewells 1 and 2," of the Base Bid; and

Item No. 0302, "Reach 4 Pump Station, CIP Structural Concrete," of the Base Bid; as applicable.

1.2.8.2 Unit of Measure

Unit of measure: job.

1.2.9 Precast Structural Concrete

1.2.9.1 Payment

Payment for all costs associated with providing precast floodwall column caps, gatewell outlets, and concrete support blocks for pipe cradles including, but not limited to, fabricating, reinforcing, concrete, testing, delivery, and installing will be made for:

Item No. 0109, "Reach 4 Floodwall, Precast Structural Concrete," of the Base Bid; and

SECTION 01 20 00 Page 7

Item No. 0303, "Reach 4 Pump Station, Precast Structural Concrete," of the Base Bid; as applicable.

1.2.9.2 Unit of Measure

Unit of measure: job.

1.2.10 Metal Fabrications

1.2.10.1 Payment

Payment for all costs associated with fabricating, delivering, and installing metal assemblies including, but not limited to, anchors, and appurtenances for handrailing, ladders, stairs, grating, and cover plates will be made for:

Item No. 0110, "Reach 4 Floodwall, Metal Fabrications - Grating, Handrailing, and Ladders," of the Base Bid; and

Item No. 0306, "Reach 4 Pump Station, Metal Fabrications," of the Base Bid; as applicable.

1.2.10.2 Unit of Measure

Unit of measure: job.

1.2.11 Relief Wells

1.2.11.1 Payment

Payment for all costs associated with providing relief wells including, but not limited to, permitting, sampling and testing, drilling, developing, reporting, well manholes, and collector pipes will be made for Item No.

0112, "Reach 4 Floodwall, Relief Wells," of the Base Bid.

1.2.11.2 Unit of Measure

Unit of measure: job.

1.2.12 Cleanouts

1.2.12.1 Payment

Payment for all costs associated with providing cleanout subdrains and, if required, submersible storm water pumps will be made for Item No. 0115, "Reach 4 Floodwall, Cleanouts," of the Base Bid.

1.2.12.2 Unit of Measure

Unit of measure: job.

1.2.13 Trench/Toe Drain

1.2.13.1 Payment

Payment for all costs associated with providing trench/toe drain including, but not limited to, excavation and backfill, hauling, piping, fine aggregate, and coarse aggregate will be made for Item No. 0130, "Reach 4 Floodwall, Trench/Toe Drain," of the Base Bid.

SECTION 01 20 00 Page 8

1.2.13.2 Unit of Measure

Unit of measure: job.

1.2.14 Geotechnical Instrumentation

1.2.14.1 Payment

Payment for all costs associated with providing and testing piezometers, calibrating, maintenance, and incidentals will be made for Item No. 0131, "Reach 4 Floodwall, Geotechnical Instrumentation," of the Base Bid.

1.2.14.2 Unit of Measure

Unit of measure: job.

1.2.15 Flood Wall Construction

1.2.15.1 Payment

Payment for all costs associated with the constructing the flood wall and concrete vault including, but not limited to, formwork and form liners, reinforcing and concrete, and testing, will be made for Item No. 0132, "Reach 4 Floodwall, Flood Wall Construction," of the Base Bid.

1.2.15.2 Unit of Measure

Unit of measure: job.

1.2.16 Cast-in-Place Retaining Walls

**AMEND. 0004**

1.2.16.1 Payment

Payment for all costs associated with providing cast-in-place retaining walls as shown on Sheets CD105 and CD106 in VOL 401 including, but not limited to, soil material removal, aggregate, formwork, reinforcing, and concrete will be made for Item No. 0137, "Reach 4 Floodwall, Cast-in-Place Retaining Walls," of the Base Bid.

1.2.16.2 Unit of Measure

Unit of measure: job.

1.2.17 Electrical and Communication Distribution Work

1.2.17.1 Payment

Payment for all costs associated with providing electrical power and communication work will be made for Item No. 0145, "Reach 4 Floodwall, Electrical and Communication Distribution Work," of the Base Bid.

1.2.17.2 Unit of Measure

Unit of measure: job.

SECTION 01 20 00 Page 9

1.2.18 Mechanical Piping and Valves

1.2.18.1 Payment

Payment for all costs associated with providing mechanical piping and valve work will be made for Item No. 0146, "Reach 4 Floodwall, Mechanical Piping and Valves," of the Base Bid.

1.2.18.2 Unit of Measure

Unit of measure: job.

1.2.19 Seeding and Site Restoration

1.2.19.1 Payment

Payment for all costs associated with seeding operations and installation of seed and restoration of all disturbed areas to original or better condition at the completion of construction, as approved by the Contracting Officer and will be made for Item No. 0147, "Reach 4 Floodwall, Seeding and Site Restoration," of the Base Bid.

1.2.19.2 Unit of Measure

Unit of measure: job.

1.2.20 Water Main Distribution

1.2.20.1 Payment

Payment for all costs associated with the providing water main distribution including, but not limited to, piping, bracing, insulation, casing, crushed stone, flowable fill, junction structures, air valve assembly manhole, and valve work will be included for Item No. 0148, "Reach 4 Floodwall, Water Main Distribution - Upstream," of the Base Bid.

1.2.20.2 Unit of Measure

Unit of measure: job.

1.2.21 Water Main Extended Performance Bond

1.2.21.1 Payment

Payment for all costs associated with the providing the water main extended performance bond will be made for Item No. 0149, "Reach 4 Floodwall, Water Main Extended Performance Bond," of the Base Bid.

1.2.21.2 Unit of Measure

Unit of measure: job.

SECTION 01 20 00 Page 10

1.2.22 Deleted **AMEND. 0003**

1.2.22.1 Deleted **AMEND. 0003**

1.2.22.2 Deleted **AMEND. 0003**

1.2.23 Infill Concrete

1.2.23.1 Payment

Payment for all costs associated with providing infill concrete for the pump station including, but not limited to, placing, finishing, mechanical roughening, curing, drilling and grouting epoxy coated dowels, and welded wire fabric will be made for Item No. 0304, "Reach 4 Pump Station, Infill Concrete," of the Base Bid.

1.2.23.2 Unit of Measure

Unit of measure: job.

1.2.24 Structural Metal Fabrications

1.2.24.1 Payment

Payment for all costs associated with providing structural support beams, ledge angles, steel shapes, and metal bulkhead structures including, but not limited to, fabricating, painting, delivery, anchors, and seals will be made for Item No. 0305, "Reach 4 Pump Station, Structural Metal Fabrications," of the Base Bid.

1.2.24.2 Unit of Measure

Unit of measure: job.

1.2.25 Bar Screen

1.2.25.1 Payment

Payment for all costs associated with providing mechanical bar screen will be made for Item No. 0317, "Reach 4 Pump Station, Bar Screen," of the Base Bid.

1.2.25.2 Unit of Measure

Unit of measure: job.

1.2.26 Electrical Utility Work

1.2.26.1 Payment

Payment for all costs associated with coordination of electrical utility work including, but not limited to, power, cable, and auxiliary equipment, cables and conduit, transformer pads, utility cabinets, panelboards, switches, motor control center, lighting, cameras, including service connection to the pump station will be made for Item No. 0320, "Reach 4 Pump Station, Utilities - Electrical," of the Base Bid.

SECTION 01 20 00 Page 11

1.2.26.2 Unit of Measure

Unit of measure: job.

1.3 UNIT PRICE PAYMENT ITEMS

Payment items for the work of this Contract for which Contract unit price payments will be made are listed in the SCHEDULE OF PRICES and as described below. The unit price and payment made for each item listed constitutes full compensation for furnishing all plant, labor, materials, and equipment, and performing any associated Contractor quality control, environmental protection, meeting safety requirements, tests and reports, and for performing all work required for each unit price item.

1.3.1 Metal Sheet Piling

1.3.1.1 Payment

Payment for all costs associated with sheet piling including, but not limited to, driving and redriving (not including sheet piling for trail (retaining walls) or twin culverts) will be made for:

Item No. 0111AA, "Reach 4 Floodwall, Metal Sheet Piling, First 100,000 Square Feet," of the Base Bid;

Item No. 0111AB, "Reach 4 Floodwall, Metal Sheet Piling, Over 100,000 Square Feet," of the Base Bid; and

Item No. 0307, "Reach 4 Pump Station, Metal Sheet Piling," of the Base Bid; as applicable.

The number of piles paid for are to not exceed the number of piles indicated on the approved shop drawings. The portion of any pile driven below the tip elevation shown on the approved shop drawings will not be measured for payment unless over driving is directed by the Contracting Officer.

1.3.1.2 Measurement

Payment will be based on multiplying the theoretical driving width of the pile by length driven in the field. Vibration monitoring and construction surveying are considered incidental costs to the project.

1.3.1.3 Unit of Measure

Unit of measure: square foot.

1.3.2 Structural Excavation

1.3.2.1 Payment

Payment for all costs associated with structural excavation of soil material required for proposed flood wall, access ramp to 10th St., and existing berm earth fill including, but not limited to, earthwork, spreading, grading and shaping, compacting, and temporary stockpiling of excavated soil material to reasonably separate satisfactory and unsatisfactory materials, removal and disposal of surplus or unsatisfactory material off-site, and soils testing and hauling operations will be made for:

SECTION 01 20 00 Page 12

Item No. 0113AA, "Reach 4 Floodwall, Structural Excavation, First 36,831 Cubic Yards," of the Base Bid;

Item No. 0113AB, "Reach 4 Floodwall, Structural Excavation, Over 36,831 Cubic Yards," of the Base Bid; and

Item No. 0310, "Reach 4 Pump Station, Structural Excavation," of the Base Bid; as applicable.

1.3.2.2 Measurement

Structural excavation will be measured for payment by the cubic yard and quantities will be determined by the Contractor. The quantities for final pay purposes will be calculated using the interim survey cross sections of the floodwall alignment or pump station footprint taken after removal of the existing berm riprap and supersacks (but prior to removal of the existing berm earth fill), and the design cross sections or template of the excavation limits, as indicated. Take final cross sections of the excavated alignment or footprint immediately following excavation operations to verify that the lines and grades indicated on the design cross sections or template are achieved. Bring areas that do not meet the design template down to grade at no additional cost to the Government.

1.3.2.3 Unit of Measure

Unit of measure: cubic yard.

1.3.3 Embankment/Impervious Fill

1.3.3.1 Payment

Payment for all costs associated with earthwork, excavating, and filling including, but not limited to, earthwork, spreading, grading and shaping, compacting, and temporary stockpiling of excavated material to reasonably separate satisfactory and unsatisfactory materials, removal and disposal of surplus or unsatisfactory material offsite, and soils testing and hauling operations, including incidentals will be made for:

Item No. 0114AA, "Reach 4 Floodwall, Embankment/Impervious Fill, First 22,895 Cubic Yards," of the Base Bid; and

Item No. 0114AB, "Reach 4 Floodwall, Embankment/Impervious Fill, Over 22,895 Cubic Yards," of the Base Bid; as applicable.

1.3.3.2 Measurement

Embankment or impervious fill for floodwall backfill will be measured for payment by the cubic yard and quantities will be determined by the Contractor. The quantities for final pay purposes will be calculated using the design cross sections of the excavation limits and the design or final grade, as indicated. Take final survey cross sections of the floodwall alignment immediately following placement operations to verify that the lines and grades indicated on the design cross sections are achieved.

Bring areas that do not meet the design template up to grade at no additional cost to the Government.

Embankment or impervious fill for the tributary embankment and closures work will be measured for payment by the cubic yard and quantities will be

SECTION 01 20 00 Page 13 determined by the Contractor. The quantities for final pay purposes will be calculated using the preliminary survey cross sections of the closure or embankment alignment taken prior to placement operations and the design or final grade, as indicated. Take final survey cross sections of the closure or embankment alignment immediately following placement operations to verify that the lines and grades indicated on the design cross sections are achieved. Bring areas that do not meet the design template up to grade at no additional cost to the Government.

1.3.3.3 Unit of Measure

Unit of measure: cubic yard.

1.3.4 Manholes

1.3.4.1 Payment

Payment for all costs associated with providing manholes including, but not limited to, excavation, backfill, base, riser, top slab, adjusting rings, steps, castings, fabricating, and delivering will be made for:

Item No. 0116, "Reach 4 Floodwall, Manholes - Precast 9 Foot," of the Base Bid;

Item No. 0117, "Reach 4 Floodwall, Manholes - Precast 6 Foot," of the Base Bid;

Item No. 0118, "Reach 4 Floodwall, Manholes - Precast 5 Foot," of the Base Bid;

Item No. 0119, "Reach 4 Floodwall, Manholes - Precast 4 Foot," of the Base Bid; and

Item No. 0120, "Reach 4 Floodwall, Manholes - Precast 2 Foot," of the Base Bid; as applicable.

1.3.4.2 Measurement

The unit of measurement for manhole(s) will be paid for the number of manholes actually installed.

1.3.4.3 Unit of Measure

Unit of measure: each.

1.3.5 End Sections

1.3.5.1 Payment

Payment for all costs associated with providing precast end sections including, but not limited to, excavation and backfill, bedding, end section, gaskets, pipe ties, trash guards, fabricating, and delivering will be made for Item No. 0121, "Reach 4 Floodwall, End Sections," of the Base Bid.

1.3.5.2 Measurement

The unit of measurement for end section(s) will be paid for of the number of end sections actually installed.

SECTION 01 20 00 Page 14

1.3.5.3 Unit of Measure

Unit of measure: each.

1.3.6 RCP Storm Sewer

1.3.6.1 Payment

Payment for all costs associated with providing RCP storm sewer including, but not limited to, excavation and backfill, bedding, piping, gaskets, and delivery will be made for:

Item No. 0122, "Reach 4 Floodwall, RCP Storm Sewer - 42-Inch," of the Base Bid;

Item No. 0123, "Reach 4 Floodwall, RCP Storm Sewer - 36-Inch," of the Base Bid;

Item No. 0124, "Reach 4 Floodwall, RCP Storm Sewer - 24-Inch," of the Base Bid;

Item No. 0125, "Reach 4 Floodwall, RCP Storm Sewer - 18-Inch," of the Base Bid;

Item No. 0126, "Reach 4 Floodwall, RCP Storm Sewer - 15-Inch," of the Base Bid; and

Item No. 0314, "Reach 4 Pump Station, RCP Storm Sewer - 60-Inch," of the Base Bid; as applicable.

1.3.6.2 Measurement

The number of linear feet will be determined by calculating the overall linear feet of storm sewer installed to the nearest linear foot. The quantity must be determined by the Contractor and approved by the Contracting Officer.

1.3.6.3 Unit of Measure

Unit of measure: linear foot.

1.3.7 Non-Contact Cooling Sewer

1.3.7.1 Payment

Payment for all costs associated with providing non-contact cooling sewer including, but not limited to, connection to existing sewer, connection to gatewell, connection to headwall, excavation and backfill, bedding, piping, gaskets, and delivery will be made for:

Item No. 0127, "Reach 4 Floodwall, Non-contact Cooling Sewer - 21-Inch," of the Base Bid; and

Item No. 0128, "Reach 4 Floodwall, Non-contact Cooling Sewer - 18-Inch," of the Base Bid; as applicable.

SECTION 01 20 00 Page 15

1.3.7.2 Measurement

The quantity of piping will be paid for by the linear foot, placed in the completed and accepted construction. Piping will be measured in place in the field by the Contractor the length as shown and approved by the Contracting Officer.

1.3.7.3 Unit of Measure

Unit of measure: linear foot.

1.3.8 Slide Gate

1.3.8.1 Payment

Payment for all costs associated with providing vertical lift slide gate(s) including, but not limited to, materials, fabrication, and delivery of vertical lift slide gate(s) and appurtenant items including slide, frame, wall thimble, pedestal, wall brackets, stem guide brackets, wedges, wedge blocks, stems, stem blocks, stem couplings, fastener seals, seal retainers, and other appurtenances necessary for complete installation will be made for:

Item No. 0129, "Reach 4 Floodwall, Slide Gate - 24-Inch," of the Base Bid;

Item No. 0315, "Reach 4 Pump Station, Slide Gate - 72x72 Inch," of the Base Bid; and

Item No. 0316, "Reach 4 Pump Station, Slide Gate - 72x54 Inch," of the Base Bid; as applicable.

1.3.8.2 Measurement

The unit of measurement for slide gates will be paid for of the number of slide gates actually installed.

1.3.8.3 Unit of Measure

Unit of measure: each.

1.3.9 Chain Link Fencing

1.3.9.1 Payment

Payment for all costs associated with providing chain link fencing will be made for Item No. 0133, "Reach 4 Floodwall, Chain Link Fencing," of the Base Bid.

1.3.9.2 Measurement

The quantity of materials will be paid for by the linear foot, placed in the completed and accepted construction. Chain link fencing will be measured in place in the field by the Contractor the length as indicated and approved by the Contracting Officer.

1.3.9.3 Unit of Measure

Unit of measure: linear foot.

SECTION 01 20 00 Page 16

1.3.10 Concrete Curb and Gutter

1.3.10.1 Payment

Payment for all costs associated with providing concrete curb and gutter will be made for Item No. 0134, "Reach 4 Floodwall, Concrete Curb and Gutter," of the Base Bid.

1.3.10.2 Measurement

The quantity of materials will be paid for by the linear foot, placed in the completed and accepted construction. Curb and gutters will be measured in place in the field by the Contractor the length as indicated and approved by the Contracting Officer.

1.3.10.3 Unit of Measure

Unit of measure: linear foot.

1.3.11 Bollards

1.3.11.1 Payment

Payment for all costs associated with providing removable bollards will be made for Item No. 0135, "Reach 4 Floodwall, Bollards," of the Base Bid.

1.3.11.2 Measurement

The unit of measurement for bollards will be paid for of the number of bollards actually installed.

1.3.11.3 Unit of Measure

Unit of measure: each.

1.3.12 Access Gates

1.3.12.1 Payment

Payment for all costs associated with providing access gates will be made for: Item No. 0136, "Reach 4 Floodwall, Access Gates," of the Base Bid.

1.3.12.2 Measurement

The unit of measurement for access gates will be paid for of the number of access gates actually installed.

1.3.12.3 Unit of Measure

Unit of measure: each.

1.3.13 Geotextile

1.3.13.1 Payment

Payment for all costs associated with providing geotextile fabric and anchoring will be made for Item No. 0138, "Reach 4 Floodwall, Geotextile," of the Base Bid.

SECTION 01 20 00 Page 17

1.3.13.2 Measurement

The quantity of materials will be paid for by the square foot, placed in the completed and accepted construction. Geotextiles will be measured in place in the field by the Contractor only within the dimensions indicated, not including overlaps, and approved by the Contracting Officer.

1.3.13.3 Unit of Measure

Unit of measure: square foot.

1.3.14 Aggregate

1.3.14.1 Payment

Payment for all costs associated with providing porous backfill including, but not limited to, hauling, unloading, compacting, testing, and surveying will be made for:

Item No. 0141AA, "Reach 4 Floodwall, Aggregate - IADOT #35, First 1,645 Tons," of the Base Bid; and

Item No. 0141AB, "Reach 4 Floodwall, Aggregate - IADOT #35, Over 1,645 Tons," of the Base Bid; as applicable.

Aggregates required for Storm Drainage Work, Trench/Toe Drain, Jacked Pipe(s), and Bedding Stone are included separately with their respective CLIN(s).

1.3.14.2 Measurement

Aggregate used will be the number of tons (2,000 pounds), weight certificates furnished by a public weighmaster will be submitted. No payment will be made for any material wasted, used for the convenience of the Contractor, unused or rejected.

1.3.14.3 Unit of Measure

Unit of measure: ton.

1.3.15 Surface Aggregate - IADOT #11 **AMEND. 0003**

1.3.15.1 Payment **AMEND. 0003**

Payment for all costs associated with providing aggregate surfacing including, but not limited to, hauling, unloading, compacting and testing will be made for Item No. 0139, "Reach 4 Floodwall, Surface Aggregate - IADOT #11," of the Base Bid.

1.3.15.2 Measurement **AMEND. 0003**

The quantity of materials will be paid for by the square foot, placed in the completed and accepted construction. Surface aggregate will be measured in place in the field by the Contractor only within the layout dimensions as shown and approved by the Contracting Officer.

SECTION 01 20 00 Page 18

1.3.15.3 Unit of Measure **AMEND. 0003**

Unit of measure: square foot.

1.3.16 Bedding Stone

1.3.16.1 Payment

Payment for all costs associated with, or incidental to, providing and surveying bedding stone, as applicable, in accordance with Section 35 31 19 STONE PROTECTION and Section 02 21 00 SURVEYS will be made for:

Item No. 0142AA, "Reach 4 Floodwall, Bedding Stone, First 889 Tons," of the Base Bid;

Item No. 0142AB, "Reach 4 Floodwall, Bedding Stone, Over 889 Tons," of the Base Bid;

Item No. 0318AA, "Reach 4 Pump Station, Bedding Stone, First 325 Tons," of the Base Bid; and

Item No. 0318AB, "Reach 4 Pump Station, Bedding Stone, Over 325 Tons," of the Base Bid; as applicable.

The Government will pay up to 80 percent of the total tonnage used without final surveys verifying design has been met. Final payment will be made after final surveys are completed and work is accepted.

1.3.16.2 Measurement

Bedding stone used will be the number of tons (2,000 pounds), weight certificates furnished by a public weighmaster will be submitted. No payment will be made for any material wasted, used for the convenience of the Contractor, unused or rejected.

1.3.16.3 Unit of Measure

Unit of measure: ton.

1.3.17 Riprap

1.3.17.1 Payment

Payment for all costs associated with, or incidental to, providing and surveying riprap, as applicable, in accordance with Section 35 31 19 STONE PROTECTION and 02 21 00 SURVEYS will be made for:

Item No. 0143AA, "Reach 4 Floodwall, Riprap Class C, First 10,293 Tons," of the Base Bid;

Item No. 0143AB, "Reach 4 Floodwall, Riprap Class C, Over 10,293 Tons," of the Base Bid;

Item No. 0319AA, "Reach 4 Pump Station, Riprap Class C, First 556 Tons," of the Base Bid; and

Item No. 0319AB, "Reach 4 Pump Station, Riprap Class C, Over 556 Tons," of the Base Bid; as applicable.

SECTION 01 20 00 Page 19

The Government will pay up to 80 percent of the total tonnage used without final surveys verifying design has been met. Final payment will be made after final surveys are completed and work is accepted.

1.3.17.2 Measurement

Riprap used will be the number of tons (2,000 pounds), weight certificates furnished by a public weighmaster will be submitted. No payment will be made for any material wasted, used for the convenience of the Contractor, unused or rejected.

1.3.17.3 Unit of Measure

Unit of measure: ton.

1.3.18 Topsoil

1.3.18.1 Payment

Payment for all costs associated with providing testing results, topsoil, hauling, grading and shaping, and compacting will be made for Item No.

0144, "Reach 4 Floodwall, Topsoil," of the Base Bid.

1.3.18.2 Measurement

Topsoil will be measured for payment by the cubic yard and quantities will be determined by the Contractor. The quantities for final pay purposes will be calculated using the final survey of project features taken after earthwork operations are complete and the topsoil design template or thickness as indicated. Take final survey of project features immediately following topsoil placement operations to verify that the lines and grades indicated have been achieved. Bring areas that do not meet the design template up to grade at no additional cost to the Government.

1.3.18.3 Unit of Measure

Unit of measure: cubic yard.

1.3.19 PCC Trail and Pads **AMEND. 0003**

1.3.19.1 Payment

Payment for all costs associated with providing concrete for the trail, stamped concrete, earth and gravel shoulder, modified subbase, scarification and…