Addendum No_ 1_07_26_24.pdf

ADDENDUM NO. 1 – July 26, 2024

ADDENDUM NO. 1

TO THE

CONTRACT DOCUMENTS

FOR THE

RAMBLE ROAD SANITARY SEWER SYSTEM

FOR THE

CITY OF STATESBORO

All Bidders and other interested parties are hereby notified of the following additions and/or revisions to the

Plans and Specifications of the referenced project.

RECEIPT OF THIS ADDENDUM MUST BE ACKNOWLEDGED ON THE BID PROPOSAL.

PRE-BID CONFERENCE

A mandatory pre-bid conference was held on Thursday July 18, 2024, at the Statesboro Municipal Court

Room. A copy of the sign-in sheet is attached below.

PROJECT CLARIFICATIONS

1. The bid due date has been extended to August 15, 2024. Bids will be received in the office of Darren Prather, Director of Central Services, 22 W. Grady Street, Statesboro, Georgia, until 3:00 PM (Local Time), at which time they will be publicly opened and read in the courtroom. Two copies of the bid shall be provided (one original; one copy).

Bidders are not required to be present for the bid opening.

2. Additional questions will be accepted until August 8, 2024 at 5:00 PM. Questions can be sent to George Kimbrell, E.I.T. by email at gkimbrell@husseygaybell.com.

3. Per City of Statesboro ordinance 2020-07, a minimum of 20% MFBE participation shall be required.

4. Bidders shall provide a bid bond no less than five percent (5%) of the base bid.

5. Georgia Department of Transportation permit for East Main crossing will come from the inspector once contractor completes the inspector’s checklist.

6. Manhole 11 shall be lined per specification section 02545. The two downstream manholes do not require lining.

7. A line item for sod has been added to the bid form for replacement of grass outside the right of way.

8. It is encouraged that bidders visit the site to access existing conditions. Bidders shall take into consideration of the landscaping and trees on private property that the service lateral will have to be constructed around. The price of service lateral fittings and cleanouts required due to bends shall be accounted for in bid item 4.0.

QUESTIONS AND RESPONSES

1. Sheet 03 shows to remove and replace sign. What sign, there is a post laying on the ground one imbedded in the ground and no sign.

Response: The call out for removal and replacement of the sign has been removed.

2. Will clearing be increased on the bid schedule? There are some trees that will need to be taken down to excavate a ditch that is 12-16 feet and 7 foot wide.

Response: Bid item 28.2 has been added to the bid schedule for clearing and grubbing inside the right-of-way.

3. Is there going to be a separate line item to remove and replace RCP or drain pipe or is that to be included in repairing driveways?

Response: Removal and replacement of RCP or drain pipe shall be included under bid item 29.0.

4. Which bid item do you want to contain the material and labor(i.e sewer saddles, 45’s cleanouts) to connect 4” sewer laterals to the sewer main?

Response: Lateral fittings shall be included in bid item 4.0. Saddles shall be included in bid item 8.0. Lateral cleanouts shall be included in bid item 9.0.

5. Please confirm the thickness of the asphalt overlay with the fabric. Fabric is not typically used with overlays less than 2” thick.

Response: The overlay shall be 1 ½” thick. Non-woven fabric will not be required.

6. Profile / Plan sheets note 12 Inch DIP, bid form does not contain an item for 12-inch DIP.

Has the 12-inch DIP been eliminated?

Response: The 12” DIP has been removed from the plans. Please see the updated plan sheets.

7. There is a generator and electrical panel at the Eastview Apartments LS that is not shown on the plans.

Response: Plan sheet 11 has been updated to include the generator and electrical panel. This equipment shall be removed and returned to the City.

SPECIFICATIONS

1. DELETE Section C-410 Bid Form for Construction Contract included in the Issued for

Bid package and REPLACE with Section C-410 Bid Form for Construction Contract included with Addendum No. 1 – July 26, 2024.

2. DELETE Section 01220 Measurement and Payment included in the Issued for Bid package and REPLACE with Section 01220 Measurement and Payment included with

Addendum No. 1 – July 26, 2024.

3. DELETE Section 02545 Protective Coating in the Issued for Bid documents and

REPLACE with Section 02545 Protective Coating marked “ADDENDUM NO. 1 – July

26, 2024.”

PLANS

1. DELETE Sheet 03, 04, 05, 06, 07 and 11 from Issued for Bid Plans and REPLACE with

Sheet 03, 04, 05, 06, 07 and 11 marked “ADDENDUM NO. 1 – July 26, 2024.”

Addendum #1 - 7/26/2024

EJCDC® C-410, Bid Form for Construction Contract.

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

Copyright© 2018

National Society of Professional Engineers

1420 King Street, Alexandria, VA 22314-2794

(703) 684-2882 www.nspe.org

American Council of Engineering Companies

1015 15th Street N.W., Washington, DC 20005

(202) 347-7474 www.acec.org

American Society of Civil Engineers

1801 Alexander Bell Drive, Reston, VA 20191-4400

(800) 548-2723 www.asce.org

The copyright for this EJCDC document is owned jointly by the three sponsoring organizations listed above. The National Society of Professional Engineers is the Copyright Administrator for the EJCDC documents; please direct all inquiries regarding EJCDC copyrights to NSPE.

NOTE: EJCDC publications may be purchased at www.ejcdc.org, or from any of the sponsoring organizations above.

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

BID FORM FOR CONSTRUCTION CONTRACT

The terms used in this Bid with initial capital letters have the meanings stated in the Instructions to

Bidders, the General Conditions, and the Supplementary Conditions.

ARTICLE 1—OWNER AND BIDDER

1.01 This Bid is submitted to:

Darren Prather, Director of Central Services

22 W. Grady Street

Statesboro, Georgia 30458.

1.02 The undersigned Bidder proposes and agrees, if this Bid is accepted, to enter into an Agreement with Owner in the form included in the Bidding Documents to perform all Work as specified or indicated in the Bidding Documents for the prices and within the times indicated in this Bid and in accordance with the other terms and conditions of the Bidding Documents.

ARTICLE 2—ATTACHMENTS TO THIS BID

2.01 The following documents are submitted with and made a condition of this Bid:

A. Required Bid security;

B. List of Proposed Subcontractors;

C. List of Proposed Suppliers;

D. Evidence of authority to do business in the state of the Project; or a written covenant to obtain such authority within the time for acceptance of Bids;

E. Contractor’s license number as evidence of Bidder’s State Contractor’s License or a covenant by Bidder to obtain said license within the time for acceptance of Bids;

F. Required Bidder Qualification Statement with supporting data; and

G. Documentation of compliance with the City of Statesboro’s Non Discrimination and Equity ordinance requirement for this project as follows and described in paragraph 18.01 of Article

18 of C800 - Supplementary Conditions of the Construction Contract:

See CDBG Contract Conditions for DBE participation requirements.

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

ARTICLE 3—BASIS OF BID—LUMP SUM BID AND UNIT PRICES

3.01 OMITTED

3.02 Unit Price Bids

A. Bidder will perform the following Work at the indicated unit prices:

RAMBLE ROAD SEWER SYSTEM : BID FORM

Item

No.

Description

Estimated

Quantity Unit Bid Unit Price Bid Amount

1.0 12-Inch SDR-26 PVC Sewer Pipe

1.1 4’ – 8’ Depth 260 LF

1.2 8’ – 12’ Depth 400 LF

1.3 12’ – 16’ Depth 600 LF

1.4 16’ – 20’ Depth 30 LF

2.0 15-Inch SDR-26 PVC Sewer Pipe

2.1 4’ – 8’ Depth 670 LF

2.2 8’ – 12’ Depth 320 LF

2.3 12’ – 16’ Depth 390 LF

3.0 24-Inch Bituminous Coated Steel

Casing Installed by Jack and Bore

70 LF

4.0 SS Laterals (4- inch lateral) 4,700 LF

5.0 48-Inch Dia. Precast Concrete Manhole

5.1 4’ – 8’ Depth 5 EA

5.2 8’ – 12’ Depth 2 EA

5.3 12’ – 16’ Depth 7 EA

6.0 Core Existing Manhole & Connect

15-Inch Sewer Main

1 LS

7.0 Connect Existing 8-Inch Sewer

Main to Manhole No. 01

1 LS

8.0 4-Inch Service Connection 27 EA

9.0 4-Inch Lateral Clean Out 60 EA

10.0

Locate Lateral Between Building and Septic Tank and Connect New

Lateral

30 EA

11.0 Pump Out Septic Tank, Fill with

Sandy Soil

30 EA

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

12.0 Low-Pressure Force Main

12.1 2” HDPE DR 11 Force Main

Installed by Open Cut

320 LF

12.2 2” HDPE DR 11 Force Main

Installed by Pneumatic Missile Bore

80 LF

13.0 Low-Pressure Force Main Discharge

Outside Drop and MH # 11 Lining

1 LS

14.0 1-1/4” Grinder Pump Lateral

14.1 1-1/4” DR 11 Installed by Open-Cut 250 LF

14.2 1-1/4” DR 11 Lateral Installed by

Horizontal Directional Drill

80 LF

15.0 Grinder Pump Lateral Connection

to Force Main

3 EA

16.0 Grinder Pump System 3 EA

17.0 Grinder Pump Electrical Service

Allowance

1 LS $30,000.00 $30,000.00

18.0 Grassing

18.1 Grassing, Fertilizing and Mulching 7,800 SY

18.2 New Sod (Outside R/W) 1,500 SY

19.0 Temporary Sediment Barrier, Silt

Fencing and Controls

1 LS

20.0 Construction Entrance/Exit 1 EA

21.0 Remove And Replace Existing

Shrubs, 1' To 4' High

30 EA

22.0 Remove and Replace Fencing

22.1 4’ Chain Link Fence 50 LF

22.2 4’ Wood Rail Fence 50 LF

22.3 6’ Wood Slat Fence 50 LF

23.0 Remove and Replace Pavement

23.1 Remove And Replace Concrete

Drive

420 SY

23.2 Remove And Replace Concrete

Drive Outside R/W

70 SY

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

23.3

Remove And Replace Asphaltic

Concrete and Aggregate Base

Course (Lateral Road Crossings)

180 SY

24.0 Asphaltic Concrete Overlay, 1-1/2"

Thick

5,630 SY

25.0

Lift Station Demolition, Connect to

Existing Wetwell, Fill Existing

Wetwell with Flowable Fill, Epoxy

Lining of Wetwell and Construct

Invert Channels

( 2 Locations)

1 LS

26.0

Remove Unsuitable Material, When Directed by City/Engineer and Backfill with Crushed Stone

150 CY

27.0

Remove and Replace Unsuitable

Material, Dispose off-site. Replace with Approved Off-Site Fill Material

200 CY

28.0 Clearing and Grubbing

28.1 Clearing and Grubbing Permanent

Easement

0.2 AC

28.2 Clearing and Grubbing R/W as

Needed

1 LS

29.0

Grading, Spreading/Disposal of

Excess Excavated Material, Remove and Replace Signs, Remove and

Replace Mailboxes, Remove and

Replace Drainage Culverts, Remove and Replace Monuments and landscaping, Traffic Control

Measures; Tree Protection, Mobilization; Clean-Up, Insurance, Bonds and Other Miscellaneous

Items Not Specifically Listed but

Necessary for a Complete Job

1 LS

Bid Total

B. Bidder acknowledges that:

1. each Bid Unit Price includes an amount considered by Bidder to be adequate to cover

Contractor’s overhead and profit for each separately identified item, and

2. estimated quantities are not guaranteed and are solely for the purpose of comparison of

Bids, and final payment for all Unit Price Work will be based on actual quantities, determined as provided in the Contract Documents.

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

3.03 Total Bid Price (Lump Sum and Unit Prices)

Total Bid Price (Total of all Lump Sum and Unit Price Bids) $

3.04 City of Statesboro Non-Discrimination and Equity (See C800 Supplementary Conditions, Article 18, paragraph 18.01)

% MFBE participation included in Total Bid Price (≥20) %

ARTICLE 4—OMITTED

ARTICLE 5—OMITTED

ARTICLE 6—TIME OF COMPLETION

6.01 Bidder agrees that the Work will be substantially complete and will be completed and ready for final payment in accordance with Paragraph 15.06 of the General Conditions on or before the dates or within the number of calendar days indicated in the Agreement.

6.02 Bidder agrees that the Work will be substantially complete on or before 240 days after the Notice

To Proceed date, and will be completed and ready for final payment in accordance with

Paragraph 15.06 of the General Conditions on or before 240 days after the Notice To Proceed date.

6.03 Bidder agrees that the Work will be substantially complete within 240 days after the date when the Contract Times commence to run as provided in Paragraph 4.01 of the General Conditions and will be completed and ready for final payment in accordance with Paragraph 15.06 of the

General Conditions within 240 days after the date when the Contract Times commence to run.

6.04 Bidder accepts the provisions of the Agreement as to liquidated damages.

ARTICLE 7—BIDDER’S ACKNOWLEDGEMENTS: ACCEPTANCE PERIOD, INSTRUCTIONS, AND RECEIPT OF

ADDENDA

7.01 Bid Acceptance Period

A. This Bid will remain subject to acceptance for 60 days after the Bid opening, or for such longer period of time that Bidder may agree to in writing upon request of Owner.

7.02 Instructions to Bidders

A. Bidder accepts all of the terms and conditions of the Instructions to Bidders, including without limitation those dealing with the disposition of Bid security.

7.03 Receipt of Addenda

Bidder hereby acknowledges receipt of the following Addenda:

Addendum Number Addendum Date

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

ARTICLE 8—BIDDER’S REPRESENTATIONS AND CERTIFICATIONS

8.01 Bidder’s Representations

A. In submitting this Bid, Bidder represents the following:

1. Bidder has examined and carefully studied the Bidding Documents, including Addenda.

2. Bidder has visited the Site, conducted a thorough visual examination of the Site and adjacent areas, and become familiar with the general, local, and Site conditions that may affect cost, progress, and performance of the Work.

3. Bidder is familiar with all Laws and Regulations that may affect cost, progress, and performance of the Work.

4. Bidder has carefully studied the reports of explorations and tests of subsurface conditions at or adjacent to the Site and the drawings of physical conditions relating to existing surface or subsurface structures at the Site that have been identified in the

Supplementary Conditions, with respect to the Technical Data in such reports and drawings.

5. Bidder has carefully studied the reports and drawings relating to Hazardous

Environmental Conditions, if any, at or adjacent to the Site that have been identified in the Supplementary Conditions, with respect to Technical Data in such reports and drawings.

6. Bidder has considered the information known to Bidder itself; information commonly known to contractors doing business in the locality of the Site; information and observations obtained from visits to the Site; the Bidding Documents; and the Technical

Data identified in the Supplementary Conditions or by definition, with respect to the effect of such information, observations, and Technical Data on (a) the cost, progress, and performance of the Work; (b) the means, methods, techniques, sequences, and procedures of construction to be employed by Bidder, if selected as Contractor; and

(c) Bidder’s (Contractor’s) safety precautions and programs.

7. Based on the information and observations referred to in the preceding paragraph, Bidder agrees that no further examinations, investigations, explorations, tests, studies, or data are necessary for the performance of the Work at the Contract Price, within the Contract

Times, and in accordance with the other terms and conditions of the Contract.

8. Bidder is aware of the general nature of work to be performed by Owner and others at the Site that relates to the Work as indicated in the Bidding Documents.

9. Bidder has given Engineer written notice of all conflicts, errors, ambiguities, or discrepancies that Bidder has discovered in the Bidding Documents, and of discrepancies between Site conditions and the Contract Documents, and the written resolution thereof by Engineer is acceptable to Contractor.

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

10. The Bidding Documents are generally sufficient to indicate and convey understanding of all terms and conditions for performance and furnishing of the Work.

11. The submission of this Bid constitutes an incontrovertible representation by Bidder that without exception the Bid and all prices in the Bid are premised upon performing and furnishing the Work required by the Bidding Documents.

8.02 Bidder’s Certifications

A. The Bidder certifies the following:

1. This Bid is genuine and not made in the interest of or on behalf of any undisclosed individual or entity and is not submitted in conformity with any collusive agreement or rules of any group, association, organization, or corporation.

2. Bidder has not directly or indirectly induced or solicited any other Bidder to submit a false or sham Bid.

3. Bidder has not solicited or induced any individual or entity to refrain from bidding.

4. Bidder has not engaged in corrupt, fraudulent, collusive, or coercive practices in competing for the Contract. For the purposes of this Paragraph 8.02.A:

a. Corrupt practice means the offering, giving, receiving, or soliciting of anything of value likely to influence the action of a public official in the bidding process.

b. Fraudulent practice means an intentional misrepresentation of facts made (a) to influence the bidding process to the detriment of Owner, (b) to establish bid prices at artificial non-competitive levels, or (c) to deprive Owner of the benefits of free and open competition.

c. Collusive practice means a scheme or arrangement between two or more Bidders, with or without the knowledge of Owner, a purpose of which is to establish bid prices at artificial, non-competitive levels.

d. Coercive practice means harming or threatening to harm, directly or indirectly, persons or their property to influence their participation in the bidding process or affect the execution of the Contract.

Copyright© 2018 National Society of Professional Engineers, American Council of Engineering Companies, and American Society of Civil Engineers. All rights reserved.

BIDDER hereby submits this Bid as set forth above:

Bidder:

(typed or printed name of organization)

By:

(individual’s signature)

Name:

(typed or printed)

Title:

(typed or printed)

Date:

(typed or printed)

If Bidder is a corporation, a partnership, or a joint venture, attach evidence of authority to sign.

Attest:

(individual’s signature)

Name:

(typed or printed)

Title:

(typed or printed)

Date:

(typed or printed)

Address for giving notices:

Bidder’s Contact:

Name:

(typed or printed)

Title:

(typed or printed)

Phone:

Email:

Address:

Bidder’s Contractor License No.: (if applicable)

01220-1

SECTION 01220

MEASUREMENT AND PAYMENT

A. SCOPE:

Under this heading shall be included the methods of measurement and payment for items of work under this Contract. Work includes all plant, labor, equipment, tools, materials, and performing all operations required to complete the work satisfactorily, in place, as specified by this Contract or by Change Order.

All costs of required items of work and incidentals necessary for the satisfactory completion of the work shall be considered as included in the Total Bid. The cost of work not directly covered by the pay items shall be considered incidental to the contract and no additional compensation shall be allowed.

The Contractor shall take no advantage of any apparent error or omission on the Drawings or

Specifications, and the Engineer shall be permitted to make corrections and interpretations as may be deemed necessary for fulfillment of the intent of the Contract Documents.

B. ESTIMATED QUANTITIES:

All estimated quantities for unit price items, stipulated in the Bid Proposal, or other Contract

Documents, are approximate and are to be used as a basis for estimating the probable cost of the work and for comparing the bids submitted for the Project. The actual amounts of work done and materials furnished under price items may differ from the estimated quantities.

The basis of payment for work and materials will be the actual amount of work done and material furnished. The Contractor agrees to make no claim for damages, anticipated profits or otherwise on account of any difference between the amounts of work actually performed and materials actually furnished and the estimated amounts included in the Bid Proposal.

C. LUMP SUM AND UNIT PRICE QUANTITIES:

All quantities are for unit price or lump sum items stipulated in the Bid Proposal. The

Contractor, having read and understood the Bidding Documents and examined the Project sites and adjoining areas, and being familiar with the obstacles and conditions that will affect proposed work, hereby offers and agrees to furnish all labor, products, and services, including bypassing and restoration, needed to provide work in accordance with the Bidding

Documents and will provide a properly itemized listing for each bid item, supported by sufficiently substantially data, to permit evaluation of partial pay requests.

1.0-2.0 SDR-26 PVC Sewer Pipe

This item will be measured on a linear feet basis along the pipe centerline. Payment for furnishing and installing sewers will be on the basis of the unit price for the respective types and depths in the Bid Proposal and shall include all work for excavation, dewatering, bedding and backfill necessary to properly install the sewers.

3.0 24-Inch Bituminous Coated Steel Casing Installed by Jack and Bore

01220-2

The length of the steel casing will be paid for on a linear foot basis, as measured along the centerline from end to end. Payment will be on the basis of the respective unit price in the

Bid Proposal. Payment will constitute full compensation for the casing, entry and exit pits, jacking equipment, dewatering, backfill, compaction and all incidental labor and material necessary to complete the jack and bore. The costs of inserting the carrier pipe, testing, joints, fittings, spacers and end connections shall be considered as subsidiary obligations of the Contractor for the completion of the line in place.

4.0 SS Laterals (4- inch lateral)

Payment for items will be on the basis of the respective unit price in the Bid Proposal and will include piping, fittings, excavation, bedding, and backfill.

5.0 48-Inch Dia. Precast Concrete Manhole

Measurement of manholes will be on the basis of the number of manholes furnished and installed. Payment for furnishing and installing manholes will be on the basis of the unit price for the respective diameter and depths in the Bid Proposal and shall include all work for excavation, dewatering, concrete bottoms, frames and lids, steps, pipe connections, backfill to grade and manhole appurtenances.

6.0 Core Existing Manhole & Connect 15-Inch Sewer Main

Measurement of item will be on the basis of the lump sum unit price in the Bid Proposal.

Payment shall include all work and materials for excavation, dewatering, concrete bottom, pipe connection, backfill to grade and any manhole appurtenances.

7.0 Connect Existing 8-Inch Sewer Main to Manhole No. 01

Payment shall include all materials and work for excavation, dewatering, concrete bottom, 8-inch gravity sewer extension to Manhole No. 01, 8-inch plug, pipe connections, backfill to grade and any manhole appurtenances.

8.0 4-Inch Service Connection

Payment will be on the basis of the respective unit price in the Bid Proposal and will include all labor, equipment and material to make the lateral connection to the sewer main.

9.0 4-Inch Lateral Clean Out will include excavation, bedding, and backfill for pipe.

10.0 Locate Lateral Between Building and Septic Tank and Connect New Lateral

Payment will be on the basis of the unit price in the Bid Proposal and will include locating

01220-3 the line, excavation, connection of new lateral, backfill and all related work, except yard repairs.

11.0 Pump Out Septic Tank, Fill with Sandy Soil

Payment will be on the basis of the unit price in the Bid Proposal and will include excavation, pumping out the tank, disposal of waste and filling the tank with sand or sandy soil

12.0 Low-Pressure Force Main

Payment will be on the basis of the unit price in the Bid Proposal and the installed length of force main. Payment includes all work for excavation, dewatering, pipe connections, backfill to grade and associated fittings.

13.0 Low-Pressure Force Main Discharge Outside Drop and MH # 11 Lining

Payment shall include all work and materials for excavation, dewatering, concrete bottom, pipe connection, manhole epoxy lining, backfill to grade and any manhole appurtenances.

14.0 1-1/4” Grinder Pump Lateral will include piping, fittings, excavation, bedding, and backfill.

15.0 Grinder Pump Lateral Connection to Force Main

all labor, equipment, fittings, and material to make the lateral connection to the sewer force main.

16.0 Grinder Pump System

Payment for items will be on the basis of the respective unit price in the Bid Proposal.

Payment includes pump, enclosure, electrical equipment, labor, equipment and materials required to complete the work as described in the bid documents.

17.0 Grinder Pump Electrical Service Allowance

Payment for items is as an allowance in the Bid Proposal. This item will be adjusted based on charges to the contractor for services provided during construction.

18.0 Grassing

Measurement for grassing will be on the basis of the square yards of temporary and permanent grassing completed. Payment for grassing will be on the basis of the respective

01220-4 unit price in the Bid Proposal and will include fine grading, fertilizing, seeding, mulching, watering, maintenance, and other work necessary to achieve a medium stand of grass.

19.0 Temporary Sediment Barrier, Silt Fencing and Controls

This item will be measured and paid for on a lump sum basis in the Bid Proposal and will include the materials, installation, and maintenance of the ESCP measures for the duration of the project.

20.0 Construction Entrance/Exit

will include the materials, installation, and maintenance of the construction entrance for the duration of the project.

21.0 Remove and Replace Existing Shrubs, 1' To 4' High

all labor, equipment and materials to replace shrubs that are required to be removed.

22.0 Remove and Replace Fencing

all labor, equipment and materials to restore fencing to a condition equal or better than before.

23.0 Remove and Replace Pavement

Measurement will be on the basis of square yards of pavement and base course actually required to be removed. Payment will be on the basis of the unit price in the Bid Proposal.

24.0 Asphaltic Concrete Overlay, 1-1/2" Thick

Measurement will be on the basis of the square yards of pavement and base course installed.

Payment will be at the unit price in the Bid Proposal.

25.0 Lift Station Demolition, Connect to Existing Wetwell, Fill Existing Wetwell with

Flowable Fill, Epoxy Lining of Wetwell and Construct Invert Channels ( 2 Locations)

Measurement of item will be on the basis of the lump sum unit price in the Bid Proposal.

Payment shall include all work for demolition services, transporting equipment, disposal of materials, flow diversion, excavation, dewatering, flowable fill, pipe connection, backfill to grade, wetwell epoxy lining, labor, equipment and materials required to complete the work as described in the bid documents.

26.0 Remove Unsuitable Material, When Directed by City/Engineer and Backfill with

Crushed Stone

01220-5

Measurement of the removal of unsuitable material and replacement with crushed stone backfill will be on the basis of the number of cubic yards of unsuitable material removed as determined by cross-sectioning by the City/Engineer before and after removal of unsuitable material or other means approved by the City. This item will be paid only where the

City/Engineer directs its use. All other excess excavation and borrow material used by the

Contractor shall be at his expense. Payment for removing unsuitable material and for furnishing and placing crushed stone or gravel backfill will be on the basis of the unit price in the Bid Proposal. Payment shall include removal and disposal of unsuitable material; and furnishing, placing and compacting crushed stone or gravel.

27.0 Remove and Replace Unsuitable Material, Dispose off-site. Replace with Approved Off-

Site Fill Material

Measurement of the removal of unsuitable material and replacement with borrow backfill will be on the basis of the number of cubic yards of unsuitable material removed as determined by cross-sectioning by the City/Engineer before and after removal of unsuitable material or other means approved by the City. This item will be paid only where the

City/Engineer directs its use. All other excess excavation and borrow material used by the

Contractor shall be at his expense. Payment for removing unsuitable material and for furnishing and placing borrow backfill will be on the basis of the unit price in the Bid

Proposal. Payment shall include removal and disposal of unsuitable material, and furnishing, placing and compacting suitable borrow backfill.

28.0 Clearing and Grubbing

Payment for clearing will be on the basis of the unit price in the Bid Proposal.

29.0 Grading, Spreading/Disposal of Excess Excavated Material, Remove and Replace Signs, Remove and Replace Mailboxes, Remove and Replace Drainage Culverts, Remove and

Replace Monuments and landscaping, Traffic Control Measures; Tree Protection, Mobilization; Clean-Up, Insurance, Bonds and Other Miscellaneous Items Not

Specifically Listed but Necessary for a Complete Job

Measurement for this item shall be on the basis of the completed job. Payment for this item will be on the basis of the lump sum price in the Bid Proposal and will include grading, spreading/disposal of excess excavated material; remove and replace signs, remove and replace monuments, tree protection; mobilization, clean-up, insurance, bonds, and other miscellaneous items not specifically listed or shown but necessary for a complete job.

SUMMARY OF ITEM TOTALS:

The Bidder shall fill in the appropriate totals which shall be used as the basis for comparison of bids. The Owner reserves the right to award the Contract in the best interest of the Owner.

The total Contract amounts will be determined upon completion of the project using the quantities actually incorporated into the project corresponding to the unit prices and lump sum amounts in the Bid Proposal.

01220-6

Payment shall be considered to cover the cost of all labor, supervision, material, equipment and performing all operations necessary to complete the work in place. The items listed in the proposal shall be considered as sufficient to complete the work in accordance with the

Plans and Specifications; incidental items of work not listed in the bid form shall be a part of the item with which it is associated and shall be included in the cost of the unit shown on the bid form. The unit of measurement shall be the unit shown in the proposal. Payment will be based upon the actual quantity multiplied by the unit price.

END OF SECTION

02545-1

SECTION 02545

PROTECTIVE COATING FOR CONCRETE AND MASONRY

SANITARY SEWER STRUCTURES

PART 1 – GENERAL

1.01 GENERAL

A. This section specifies the requirements for protecting and/or rehabilitating the interior of concrete sanitary sewer structures by application of a protective coating to protect the concrete structure from hydrogen sulfide and acid generated by microbiological sources present in the municipal wastewater environment. Several acceptable alternate coatings are specified to allow competitive bids to be obtained. The protective coating shall also eliminate infiltration, repair voids, and enhance the structural integrity of the wetwell.

Cementitious material will not be allowed for the protective coating, however, it will be allowed for patching operations.

B. For lift station wetwells, coating limits shall be the wetwell walls and underside of top slab. Procedures for surface preparation, cleaning, application and testing are described herein.

C. This specification also covers the requirements for corrosion protection of the ductile iron discharge pipes and fittings within the lift station wetwell, where shown or indicated.

1.02 REFERENCES {These or the latest Standards shall be complied for this project}

A. ASTM D638 - Tensile Properties of Plastics.

B. ASTM D790 - Flexural Properties of Unreinforced and Reinforced

Plastics.

C. ASTM D695 - Compressive Properties of Rigid Plastics.

D. ASTM D4414 - Standard Practice for Measurement of Wet Film

Thickness of Organic Coatings by Notched Gauges

E. ASTM D4541 - Pull-off Strength of Coatings Using a Portable Adhesion

Tester.

F. ASTM D2584 - Volatile Matter Content.

G. ASTM D2240 - Durometer Hardness, Type D.

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H. ASTM D543 - Resistance of Plastics to Chemical Reagents.

J. ASTM C109 - Compressive Strength Hydraulic Cement Mortars.

K. ACI 506.2-77 - Specifications for Materials, Proportioning, and

Application of Shotcrete.

L. ASTM C478 - Bond Strength to Concrete: Concrete Failed.

M. ASTM C496 - Tensile Strength of Chemically Setting

Silicate and Silica Chemical Resistant Mortars.

N. ASTM C579 - Compressive Strength of Chemically Setting

Silicate and Silica Chemical Resistant Mortars.

O. ASTM - The published standards of the American Society for Testing and Materials, West Conshohocken, PA.

P. NACE - The published standards of National Association of

Corrosion Engineers (NACE International), Houston, TX.

Q. SSPC - The published standards of the Society of

Protective Coatings, Pittsburgh, PA.

R. ASTM C396 - Compressive Strength of Cement Mortars.

S. ASTM C580 - Standard Test Method for Flexural Strength and

Modulus of Elasticity of Chemical-Resistant Mortars, Grouts, Monolithic Surfacings, and Polymer Concrete.

T. ASTM D4541 - Standard Test Method for Drying Shrinkage of

Mortar Containing Hydraulic Cement.

U. ASTM D4787 - Standard Practice for Continuity Verification of Liquid or Sheet Depth Applied to Concrete Substrates.

1.03 SUBMITTALS

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A. Product Data:

1. Technical data sheet on each product used, including ASTM test results indicating the product conforms to and is suitable for its intended use per these specifications.

2. Material Safety Data Sheets (MSDS) for each product used.

3. Project specific guidelines and recommendations.

4. Reference documentation to confirm that the proposed coating system has a proven record of performance when used in the intended application, including a list of at least five (5) successful installations that have been in service for a period of at least three (3) years. The reference list shall include the name of the facility, the application date, a contact person, and a telephone number.

5. Warranty Certificate in accordance with Part 1.08 of this Section.

6. Applicator Qualifications

a. Manufacturer certification that Applicator has been trained and approved in the handling, mixing and application of the products to be used.

b. Certification that the equipment to be used for applying the products has been manufactured or approved by the concrete rehabilitation products manufacturer, protective coating manufacturer, and certified for proper use for this specific application.

c. Applicator must provide written documentation of having installed a minimum of 20,000 sq.ft. of protective coating similar to that specified within the last three (3) years.

d. Any project specific guidelines for the project.

e. Design details for any additional ancillary systems and equipment to be used in site and surfaced preparation, application and testing.

1.04 QUALITY ASSURANCE

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A. Applicator shall initiate and enforce quality control procedures consistent with applicable ASTM, NACE and SSPC standards and the protective coating manufacturer's recommendations.

B. Coating Manufacturer’s authorized field representative shall be on site prior to the application of the coating system to verify that the substrate has been properly prepared, and during the application of the coating system to certify that the coating system has been properly applied. The authorized field representative will provide the Owner with an accurate and objective written report stating inspection observations on the preparation, application, and final inspection verifing adherence to coating manufacturer recommendations, industry standards, and the written specifications.

1.05 DELIVERY, STORAGE, AND HANDLING

A. All materials are to be kept dry, protected from weather and stored under cover.

B. Protective coating materials are to be stored according to manufacturer’s recommendations. Do not store near flame, heat or strong oxidants.

C. Repair and protective coating materials are to be handled according to their material safety data sheets.

1.06 SITE CONDITIONS

A. Applicator shall conform with all local, state and federal regulations including those set forth by OSHA, RCRA and the EPA and any other applicable authorities.

B. Method statements and design procedures are to be provided by the Contractor when confined space entry is required.

C. During coating operations, Contractor shall provide temporary bypassing of the lift station.

1.07 ACCESS TO THE WORK SITE

A. Contractor shall provide proper facilities for access and observation of the

Work and also for any inspection or testing by others.

B. Contractor shall provide access to site inspection.

1.08 WARRANTY

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A. Manufacturer shall warrant all work against defects in materials and workmanship for a minimum period of five (5) years, unless otherwise noted, from the date of final acceptance of the project. Manufacturer shall, within a reasonable time after receipt of written notice thereof, repair defects in materials or workmanship if any develop during said five (5) year period, and any damage to other work caused by such defects or the repairing of same, at his own expense and without cost to the Owner. No prorated warranties or exclusions for improper application will be accepted for this project.

Manufacturer shall also be responsible for the costs associated with by-pass pumping to maintain continuous service if repairs are necessary during the warranty period.

PART 2 - PRODUCTS

2.01 GENERAL

Cementitious patching, repair, and structural restoration materials used shall be only those specified and pre-approved. Project specific submittals shall be provided including application, cure time and surface preparation procedures which permit optimum bond strength with protective coating.

2.02 STRUCTURAL RESTORATION & COATING PRODUCTS

A. RAVEN LINING SYSTEMS, Inc. , Product 405

B. TNEMEC EPOXYTEC CPP

2.03 APPROVED REPAIR MATERIALS

A. Repair materials shall be used to fill voids, structurally reinforce and/or rebuild substrate surfaces, etc. as determined necessary by the engineer and protective coating applicator. Quick blending, rapid setting, high early strength, fiber reinforced, non-shrink repair mortar that can be trowelled or pneumatically spray applied must be compatible with the specified protective coating and shall be applied in accordance with the manufacturer’s recommendations.

B. The following products are accepted and approved as compatible repair basecoat materials for protective topcoating for use within the specifications.

1. Infiltration Control

All fast setting materials furnished shall be applied directly to active leaks under hydrostatic pressure from the exterior of the concrete in wetwell structures or control by dewatering methods. Materials shall

02545-6 consist of rapid setting cements and various accelerating agents.

Material shall not contain chlorides, gypsum, or metallic particles.

Should groundwater be encountered, Contractor shall be responsible for utilizing a dewatering system(s) to remove water from the excavations.

2. Repair, patching, and structural restoration

All material furnished shall be designed to fill voids and to repair or reconstruct where no hydrostatic pressure exists. Material shall consist of rapid setting cements, NSG aggregates, and various accelerating agents. Material shall not contain chlorides, gypsum, or metallic particles.

All structural restoration materials shall be specifically designed for the rehabilitation of wastewater pump station wetwells and other related concrete structures. Materials shall contain poly fiber reinforcement, fused calcium aluminate, and chemical admixtures.

2.04 MATERIAL PROPERTIES

A. Raven Product 405

1. Structural Restoration Material

Repair materials shall be used to fill voids, structurally reinforce and/or rebuild surfaces, etc. as determined necessary by the engineer and protective coating applicator. Repair materials must be compatible with the specified epoxy coating and shall be applied in accordance with the manufacturer’s recommendations.

The following products may be accepted and approved as compatible repair basecoat materials for epoxy topcoating for use within the specifications:

a. 100% solids epoxy grout specifically formulated for epoxy topcoating compatibility. The epoxy grout manufacturer shall provide instructions for trowel or spray application and for epoxy topcoating procedures.

b. Factory blended, rapid setting, high early strength, fiber reinforced, non-shrink repair mortar that can be trowelled or pneumatically spray applied may be approved if specifically formulated to be suitable for epoxy topcoating. Such repair mortars should not be used unless their manufacturer provides information as to its suitability for topcoating with an epoxy coating. Project specific submittals should be provided including application, cure time and surface prepration

02545-7 procedures which permit optimum bond strength with the epoxy coating.

c. Shotcrete shall conform to all requirements of ACI-506.2-77 as published by the American Concrete Institute, Detroit, MI except as modified by these specifications. Shotcrete shall be composed of Portland Cement, aggregate and water so proportioned as to produce a concrete suitable for pneumatic application. Shotcrete ingredients shall be selected and proportioned in such a manner as will produce concrete which will be compatible for epoxy topcoating. Shotcrete shall have a minimum surface tensile strength of 300 psi. No coatings shall be applied prior to a full 28 day cure unless test patches of coatings exhibit acceptable bonding characteristics and no outgassing as prescribed herein or the repair mortar manufacturer certifies acceptable topcoating parameters.

2. Protective Coating Material

Product type Amine cured epoxy

Color Light blue

Solids Content ( vol %) 100

Mix Ratio 3:1

Compressive Strength 18,000 psi

Tensile Strength 7,600 psi

Tensile Ultimate Elongation 1.5 %

Hardness 88

Film Thickness- Maximum 200 mils DFT per coat

B. TNEMEC EPOXYTEC CPP

1. Structural Restoration Material

Repair materials shall be used to fill voids, structurally reinforce and/or rebuild surfaces, etc. as determined necessary by the engineer and protective coating applicator. Repair materials must be compatible with the Tnemec-Epoxytec CPP and shall be applied in accordance with manufacturer's recommendations. Tnemec MortarClad, Series

N218 applied up to 1" or Tnemec-Epoxytec Mortartec Silicate applied

1" to 4" may be used.

2. Protective Coating

a. Ultra-High Build, 100% solids Structural Grade fiber reinforced polymer epoxy designed for below grade concrete structures:

manholes, wet wells, lift and pump stations.

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b. Coating Concrete-Self priming Tnemec-Epoxytec CPP Sprayliner or Trowel- A thick film, two-component reinforced epoxy polymer designed with high moisture tolerance with H2S resistance and sealed I&I barrier protection in harsh wastewater environments.

c. Film Thickness- 125 mils DFT minimum

d. Warranty: 10-year labor and material joint warranty offered by the material manufacturer and qualified installer.

2.05 STRUCTURAL RESTORATION MATERIAL AND PROTECTIVE COATING

APPLICATION EQUIPMENT

Structural restoration mortars and protective coatings shall be applied with manufacturer approved equipment.

PART 3 - EXECUTION

3.01 ACCEPTABLE APPLICATORS

A. Repair mortar must be applied by manufacturer trained and approved applicators. The repair mortar shall be applied according to manufacturer's recommendations.

B. Protective coating must be applied by a Certified Applicator of the protective coating manufacturer and according to manufacturer's specifications.

C. Appropriate flow control or flow diversion measures shall be taken.

3.02 EXAMINATION

A. Appropriate actions shall be taken to comply with local, state and federal regulatory and other applicable agencies with regard to environment, health and safety.

B. All bidders are required to verify that they have visited the jobsite, and are familiar with the conditions and the entire scope of work. Bidders shall field verify the attached plans and perform their own quantity measurements prior to bidding.

C. Contractor shall provide a minimum 24 hour notice to the Inspector / Engineer for the following conditions:

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1. After final surface preparation is completed but before structure rehabilitation;

2. After patching operations have cured, and

3. After each coating layer is applied.

D. Installation of the protective coating shall not commence until the concrete substrate has properly cured in accordance with these specifications.

E. Temperature of the surface to be coated should be maintained between 60º F and 100º F during application. Prior to and during application, care should be taken to avoid exposure of direct sunlight or other intense heat source to the structure being coated. Where varying surface temperatures do exist, care should be taken to apply the coating when the temperature is falling versus rising (i.e., late afternoon into evening vs. morning into afternoon).

3.03 SURFACE PREPARATION

A. Applicator shall inspect all surfaces specified to receive a protective coating prior to surface preparation. The existing piping, valves, and appurtenances shall be protected during structural rehabilitation and protective coating application.

B. All contaminants including: oils, grease, incompatible existing coatings, waxes, form release, curing compounds, efflorescence, sealers, salts, or other contaminants shall be removed.

C. All concrete or mortar that is not sound or has been damaged by chemical exposure shall be removed to a sound concrete surface or replaced.

D. Old concrete must be firm and structurally sound as specified by the Engineer.

E. Surface preparation method(s) should be based upon the conditions of the substrate, service environment and the requirements of the protective coating to be applied.

F. Surfaces to receive protective coating shall be cleaned and abraded to produce a sound surface with adequate profile and porosity to provide a strong bond between the protective coating and the substrate. At a minimum, this will be achieved with a low pressure water cleaning equipment using a 0 degree rotating nozzle at a minimum 3,500 psi and 4 gpm. Other methods such as high pressure water jetting (refer to NACE Standard No. 6 /SSPC-SP 13), abrasive blasting, shotblasting, grinding, scarifying and/or acid etching may also be used. In addition, detergent water cleaning and hot water blasting may be necessary to remove oils, grease or other hydrocarbon residues from the

02545-10 concrete. The method(s) used shall be performed in a manner that provides a uniform, sound clean, neutralized surface that is not excessively damaged.

3.04 APPLICATION OF REPAIR MATERIALS

A. Areas where structural steel has been exposed or removed shall be repaired in accordance with the Project Engineer's recommendations.

B. Repair/Structural Restoration materials shall meet the specifications here and as described in part 2.03 and 2.04 of these specifications. The materials shall be applied utilizing proper equipment on to specified surfaces.

C. Infiltration shall be stopped by using a material which is compatible with the specified repair mortar, waterproof quick setting mortar-type, that is suitable for topcoating with the specified protective coating. Contractor shall completely identify the types of grout, mortar, and sealant for repair of leak defects and provide case histories of successful use.

D. Infiltration areas that require crack injection shall be covered in this scope of work. Injection holes shall be drilled through the wetwell at 120 degree angles from each other at the same plane of elevation. Rows shall be separated no more than three vertical feet, and the holes shall be staggered with the holes in the rows above and below. Provide additional injection holes near observed defects and pipe seals. A minimum of 6 injection holes shall be provided per defect.

Grout shall be injected through holes under pressure with a suitable probe.

Injection pressure shall not cause damage to the wetwell structure or surrounding surface features. Grout shall be injected through the lowest holes first. Grouting from the ground surface will not be allowed. Provide additional injection holes if necessary to ensure grout travel, verified by field observation of grout at adjacent defects or holes. Patch injection holes using a waterproof quick setting mortar after cleaning with a drill.

E. The approved repair materials shall provide a smooth surface with an average profile equivalent to coarse sandpaper to optimally receive the protective coating. No bugholes or honeycomb surfaces should remain after the final trowel procedure of the repair mortar.

F. The repair materials shall be permitted to cure according to manufacturer recommendations. Curing compounds should not be used unless approved for compatibility with the specified protective coating.

G. After required cleaning and repair is performed, all surfaces shall be inspected for remaining laitance prior to protective coating application.