AMD 0001 W912P609B0011 CHICAGO LOCK REPLACEMENT.pdf

PDF 5 MB Posted Jun 19, 2009

Attached to: RECOVERY CHICAGO LOCK GATES REPLACEMENT AT THE CHICAGO HARBOR LOCK, CHICAGO HARBOR, CHICAGO, IL
Solicitation number: W912P6-09-B-0011
Issued by: Department of the Army Corps of Engineers Engineering District Chicago

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AMENDMENT NO. 0001 IN CONTAINED IN THIS FILE. PLEASE NOTE THAT THE ATTENDANCE SHEET STATES AN INCORRECT PROJECT TITLE IFB THE ATTENDANCE SHEET IS INDEED FROM THE PRE-BID MTG FOR THIS PROJECT.

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Other files

File	Type	Posted
AMEND 0003 CHICAGO LOCK GATES REPLMT.pdf	PDF	Jun 29, 2009
AMEND 0002 CHICAGO LOCK RPLC 09B0011.pdf	PDF	Jun 26, 2009
W912P609B0011_Dwgs_Chicago_Lock_Sector_Gates.pdf	PDF	May 22, 2009
W912P609B0011_Specs.pdf	PDF	May 22, 2009

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W81G6690691047

AMENDMENT OF SOLICITATION/MODIFICATION OF CONTRACT

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)

30-105-04EXCEPTION TO SF 30

APPROVED BY OIRM 11-84

STANDARD FORM 30 (Rev. 10-83) Prescribed by GSA

FAR (48 CFR) 53.243

SUBJECT: INVITATION FOR BIDS NUMBER W912P6-09-B-0011, CHICAGO LOCK GATES REPLACEMENT AT THE CHICAGO HARBOR LOCK, CHICAGO HARBOR, CHICAGO, IL

The government is issuing this Amendment Number 0001 to its previously issued Solicitation W912P6-09-B-0011 for the purpose of amending various areas of the Solicitation package as delineated on the follow ing pages of this Amendment.

THIS AMENDMENT CONTINUES ON THE FOLLOWING PAGES

1. CONTRACT ID CODE PAGE OF PAGES

J 1 26

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

16C. DATE SIGNED

BY 19-Jun-2009

16B. UNITED STATES OF AMERICA15C. DATE SIGNED15B. CONTRACTOR/OFFEROR

(Signature of Contracting Officer)(Signature of person authorized to sign)

8. NAME AND ADDRESS OF CONTRACTOR (No., Street, County, State and Zip Code) X W912P6-09-B-0011

X 9B. DATED (SEE ITEM 11)

22-May-2009

10B. DATED (SEE ITEM 13)

9A. AMENDMENT OF SOLICITATION NO.

11. THIS ITEM ONLY APPLIES TO AMENDMENTS OF SOLICITATIONS

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

Offer 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 1 copies of the amendment; (b) By acknowledging receipt of this amendment on each copy of the offer submitted;

or (c) By separate letter or telegram 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 telegram or letter, provided each telegram or letter 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 NO. AS DESCRIBED IN ITEM 14.

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

CONTRACT ORDER NO. IN ITEM 10A.

B. THE ABOVE NUMBERED CONTRACT/ORDER IS MODIFIED TO REFLECT THE ADMINISTRATIVE CHANGES (such as changes in paying office, appropriation date, 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.)

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO. 5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

19-Jun-2009

CODE

U. S. ARMY ENGINEER DISTRICT, CHICAGO

111 NORTH CANAL STREET SUITE 600

CHICAGO IL 60606-7206

W912P6 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912P6-09-B-0011

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

A. BID OPENING DATE: The BID OPENING DATE AND TIME is changed by this Amendment; Bids are now due to the USACE-Chicago District no later than 4:00 p.m.

(CDT) on 1 July 2009. Detailed information regarding the submission of bids is located in Section L of the Solicitation document.

B. AMENDED SOLICITATION SECTIONS:

1. Section B (Bid Schedule) of the Solicitation document is deleted in its entirety and replaced with the Revised Bid Schedule contained hereunder.

2. Refer to Section F of the Solicitation Document; the sequence of work as shown in Clause 52.211-8 (TIME OF DELIVERY (JUN 1997)--Alternate II (APR 1984)) is hereby revised to read as follows:

MANDATORY SEQUENCE OF WORK: The Contractor shall perform any work at the Chicago Harbor Lock which requires dewatering or decommissioning of gates between 1 November 2010 and 15 April 2011. The Contractor shall sequence his work such that the Chicago Harbor Lock is fully operational at all times except between 1 November 2010 and 15 April 2011. The installation of the new west gates must be completed, accepted and approved by the COR prior to the Contractor decommissioning the existing east set of sector gates. The Contractor shall restore the Chicago Harbor Lock to its full operational capacity no later than 0700 hours on 15 April 2011.

3. Refer to Section K of the Solicitation Document; the first paragraph of the Supplemental Representations and Certifications is revised to read as follows:

The contractor or its subcontractor should have a minimum of 3 years experience in fabrication and installation of structural steel with hydraulic operating machinery and electrical controls. In addition the contractor or its subcontractor should have a minimum of 2 years of experience installing stop logs and dewatering.

C. AMENDED PROJECT SPECIFICATION SECTIONS: The following Specification Sections have been amended as delineated below; bidders shall remove the affected pages and replace those with the respective revised pages attached hereto.

• Specification section 01 52 02 will be amended to state that the Contractor is responsible for providing his own power source.

• This bid item will be changed with an amended bid schedule to reflect a unit price of “Each”.

• Contractor is responsible for providing emergency standby equipment as stipulated in the bid schedule. A revised bid schedule will be provided by amendment.

• The MANDATORY SEQUENCE OF WORK in section F – Deliveries or Perfomance will be amended.

Please refer to the new language.

• Specification section 02 41 00 will be amended to include the following paragraph:

1.7.2 Existing Gates and Operating Equipment

Existing gates and operating equipment were originally constructed in approximately 1938. Due to the age, the Contractor shall presume the presence of lead-based paint unless the Contractor can demonstrate otherwise by performing tests and using laboratories approved in advance by the Government. Prior to any testing, the Contractor shall coordinate with the Contracting Officer. The Contractor shall comply with all applicable safety and environmental regulations and shall take all necessary precautions when demolishing the existing structures and disposing of the existing materials.

• Specification 35 20 16.39, paragraph 3.1.6.1 will be amended to the following:

"The Contractor shall accurately set the rack sections onto the face of the gate skin plate to the elevation shown on the plans. The rack shall be bolted to the gate using ¾ " inch diameter ASTM A325 high strength bolts. Gate skin plate holes and rack holes shall be machined to conform with class LT-2 fit. Washers shall be utilized under the bolt nuts. Care shall be exercised to ascertain that the rack sections line up against each other correctly so that the circular pitch of the adjacent teeth remain true and in a normal plane. When completed, a final alignment/elevation check shall be done to ascertain that the work is within the required tolerances. A written record of the results shall become part of the permanent work."

• In response to the Contractor's sixth question, the last sentence of Paragraph 3.5.5, Waste Water, part b in Specification Section 01 57 20.01 03, Environmental Protection for Illinois, was revised as follows:

b. All surface discharges of storm water associated with construction activities shall be done in accordance with the requirements of the Storm Water Pollution Prevention Plan paragraph in this section.

• Specification 41 24 27, paragraph 2.3.8.2 will be amended to state:

A direct indicating thermometer shall be provided to indicate fluid temperature in the reservoir. The thermometer shall be of the bimetallic type either mounted directly on the reservoir or panel. The thermometer shall be easily readable from a distance of six feet above the top of the power unit. The scale range shall be 20 to 240 degrees F. The case and stem shall be corrosion resistant, and the wetted components shall be stainless steel. Thermometer wells of the separable socket type shall be provided for each thermometer with a direct type bulb.

• Specification 41 24 27, paragraph 2.2.2.1, subparagraph “g”, will be amended to reflect the actual open/closed operations per hour as follows:

“Duty cycles: Maximum of 11 complete open and close operations per hour.”

• Specification section 41 24 27, paragraph 2.3.5.2 will be revised to state:

“Electric motor driving the pump shall be rated for a minimum of 20 hp full load and shall have 1.15 service factor. The flow rate shall be field adjustable without disturbing the piping. Pump shall be provided with an adjustable horsepower limiter device that will limit the maximum horsepower. Auxiliary pump shall be provided as a portable standalone unit fully primed and ready for use as needed. Provide necessary connection points on the HPU for hook up to the auxiliary unit.”

• The Phase IV paragraph of Section 01 10 00, “Chicago Lock Emergency Bulkhead Removal Plan Requirements” will be amended to include the following sentence:

“The second lifting beam will be delivered by the government to the Chicago Lock Parking lot.”

• Bid items will be added by amendment showing quantities of crack and spall repairs.

• Specification Section 01 22 00 will be revised per bid schedule changes

D. AMENDED PROJECT DRAWING SHEETS: The following plan sheets have been amended as delineated below; bidders shall replace the affected sheets with the respective revised sheets attached hereto.

• The following note will be added to drawing S-1 as General Note 2.

General Note:

2. Previous US Army Corps of Engineer Experience with dewatering the Chicago Lock Gate Blocks. This information is provided as information only. The Contractor shall be responsible for performing all dewatering activities, maintaining a dry work area, sealing bulkheads, and sizing pumps. In past dewaterings, the Corps used two 12 inch high lift pumps to dewater the gate blocks and one 6 or 10 inch high lift pump to maintain the dewatered gate block. In order to obtain a sufficient seal around the bulkheads, cinders/sand were required to fill any voids between the bulkheads and the side and bottom seals. The pumps were required to have sufficient capacity to draw the cinders/sand between the bulkheads and their sealing surfaces to create a sufficient seal.

• An amendment will be issued to revise note 6 on sheet S-40 as follows:

“6. All steel shall be hot dip galvanized, unless noted otherwise. Sector gates are to be painted in accordance with specification section 09 97 02, paragraph 3.5.”

• An amendment will be issued to eliminate height restriction note in section A-A on sheet M-01.

• A sentence will be added to sheet S-1, 2.5.9 indicating deflection monitoring poles and base will be provided by the Government and that Contractor is responsible for installation and removal of poles and bases.

• Detail A on sheet C-1 will be amended to delete any reference to outrigger location. Contractor will be responsible for protection of all existing structures per FAR 52.236-9.

• Sheets E-02 and E-04 will be revised in an amendment to clarify.

• Sheets E-04, E-05, and E-05A will be amended to clarify.

• Sheet E-04 will be amended to clarify.

• Sheet E-01 will be amended to clarify.

• Sheet E-09 will be amended to clarify.

• Sheet S-1 will be amended to eliminate the note regarding the hot water, steam or bubbler system.

E. USACE ANSWER’S TO CONTRACTOR’S QUESTIONS: Provided below are the USACE- Chicago District’s answers to questions that have been submitted by Contractor’s since the Pre- Bid Meeting.

Re: Contractor’s Email of 17 Jun 2009:

1. Can Partial Payment be made by the government for completed structural steel gate structures and hydraulic equipment that will be stored at the contractor’s facility awaiting shipment to the project prior to installation during the lock shutdown period? USACE RESPONSE: Progress payments are allowed as per specification section 01 32 01, paragraph 3.2.1, ACTIVITY MEASURMENT AND PAYMENT.

2. We have examined the stand by floating plant requirements. Rausch has concerns that the second gate(eastern gate) emergency removal process may be potentially unsafe for navigation in the winter months. Our understanding is as follows:

a. The crane would be stationed in the lock and be of sufficient size to lift gates and swing them to the side lock walls for storage after removal.

b. The lock gate chamber would have to be re-watered to facilitate removal of the bulkheads. This would have to be done with pumps. If the river is higher due to floods than the west lock gates could be cracked to allow water in the lock level to the lake level. The bulkheads would then be removed – lock side first , then lake side. These temporary bulk heads would be stored on the lock walls. The lake would have to be calm enough to remove the marine floating plant from the protection of the lock over to Navy pier or somewhere in that area of Chicago Harbor. The ACOE could then open the gates and let out the water.

The uncertainty of this process is the use of pumps in the winter. The safe passage of the marine plant into the Chicago Harbor (The same storms that caused the flooding event could have the lake very rough and unsafe for navigation).

In addition we see that the West Standby may have to have a standby Tug in the lock chamber to allow for the navigation into the lake.

Another potential problem is that if the lock chamber rises to the level of flooded river due to normal leakage of the new gates, the water in the locks will be higher than the lake. This would prevent pulling the bulkhead unless the lock level is brought down to the river level.

All of this is predicated on the fact that the lock is capable for navigation during the winter months.

Please address these concerns?

USACE RESPONSES:

Question 2a & 2b: Some comments in these paragraphs relate to specific means and methods to perform the Emergency Bulkhead Removal Plan. The Contractor will be required as in SECTION 01 10 00.00 03 to submit a workable plan. The Contractor will be required to use a crane and barge of sufficient size to perform the Emergency Bulkhead Removal and dewatering.

Question 2b. Regarding use of pumps, please see page 3 of 4 of the Chicago Lock Emergency Bulkhead Removal Plan Requirements, which states “the Contractor shall rewater by slightly lifting the top stop log”.

Question 2b (con’t) Regarding storage of bulkheads on lock walls, please see note 2, sheet C-1. This note states that “Contractor shall not place any cranes or heavy equipment on lock walls or gate block”.

The bulkheads would be considered heavy equipment.

Question 2b (con’t) Regarding the safe passage of marine equipment into the Chicago Harbor during a storm event. If unanticipated instances arise beyond the control and without the fault or negligence of the Contractor, the Contractor is referred to FAR clauses 52.249-8 and 52.249-10.

3. Please state the overall expected time frame to implement the removal of the bulkheads to allow for flood control. USACE RESPONSE: Please see the Chicago Lock Emergency Bulkhead Removal Plan Requirements for some time requirements. The exact time frame is not available since an emergency bulkhead removal has not been performed in the past. The Contractor would be expected to provide a reasonable plan to address the Emergency Bulkhead Removal based on the information provided in the Chicago Lock Emergency Bulkhead Removal Plan.

4. Do the temporary bulkheads when in place have a top elevation the same as the existing or new gates? If the temporary bulkheads are higher than the lock gates the bulk heads on the east side will not be able to be pulled in a flood event if the flood waters are higher than the operable lock gates. An equalized state could not be reached. USACE RESPONSE: Please see sheet C-1, note 3 for height of bulkheads.

5. Will the ACOE consider removal of only the top 2 temporary bulkheads to allow for flood waters to leave the river into the lake to control flooding. This would be sufficient to allow navigation over the bottom 2 or 3 bulkheads too remove the tug and floating crane barge from the lock? USACE RESPONSE: As stated in the Emergency Bulkhead Removal Plan, Phas IV, the number of bulkheads removed is contigent upon flood conditions and MWRD operation requirements.

6. Will the ACOE allow a temporary overhead ComEd line into the site for temporary electric service for the construction since the government will not be able to provide electric for construction. USACE RESPONSE: Contractor will be required to provide own power source. Specification section 01 52 02 will be amended to state this.

7. Please provide additional information on the “hot water, steam or bubbler system as required” which is noted on sheet S-1. Is this contractor provided? Is it the intent to get air from the lock’s existing system.

If a contractor system is to be provided for bubbling, can permanent electrical lock power be used for reliability since this will have to be run continuously. USACE RESPONSE: Sheet S-1 will be amended to eliminate the note regarding the hot water, steam or bubbler system.

Re: Contractor’s Fax of 16 Jun 09:

1. Are there existing structurally reliable pick point locations on the current sector gate structures, which the contractor may rely upon to pick and remove the existing sector gate? USACE RESPONSE: Please see reference drawings for configuration of existing gates. We are not aware of any pick points on the existing sector gates and Contractor is responsible for all procedures and methods perform demolition in accordance with specification section 02 41 00.

Re: Contractor’s Faxed Letter of 4 Jun 2009. The USACE’s responses follow; to view the contractor’s full questions, refer to the attached pdf, marked Contractor #1.

1. Question 1.0. Please see note 2 on C-1. Also, the contractor is referred to specification section 02 41 00 paragraph 1.5.3.

2. Question 2.0. The following note will be added to drawing S-1 as General Note 2.

General Note:

3. Question 3.0 Specification section 01 52 02 will be amended to state that the Contractor is responsible for providing his own power source.

4. Question 4.0. This bid item will be changed with an amended bid schedule to reflect a unit price of “Each”.

5. Question 5.0. Per specification section F – deliveries or performance, Contractor will be assessed liquidated damages for all gates not meeting the completion date of 1 October, 2010.

6. Question 6.0. Progress payments are allowed as per specification section 01 32 01, paragraph 3.2.1, ACTIVITY MEASURMENT AND PAYMENT.

7. Question 7.a. This portion of the Solicitation has been changed to read as follows: “The contractor or its subcontractor should have a minimum of 3 years experience in fabrication and installation of structural steel with hydraulic operating machinery and electrical controls. In addition the contractor or its subcontractor should have a minimum of 2 years of experience installing stop logs and dewatering.”

Question 7b. Contracting will return bid bonds to the unsuccessfully bidders.

8. Question 8.0. Please see Sheet S-2 for information on survey control frequency during dewatering.

9. Question 9.0. Contractor is responsible for providing emergency standby equipment as stipulated in the bid schedule. A revised bid schedule will be provided by amendment.

10. Question 10.0. The Bid Opening Date has been extended by this Amendment 0001.

Re: Contractor’s Faxed Letter of 9 Jun 09: The USACE’s responses follow; to view the contractor’s full questions, refer to the attached pdf, marked Contractor #2.

1. Question 1.0. Yes. Please see specification Section F - Deliveries or Performance, clause 52.211-11.

2. Question 2.0. The MANDATORY SEQUENCE OF WORK in section F – Deliveries or Perfomance will be amended. Please refer to the new language.

3. Question 3.0. The Phase IV paragraph of Section 01 10 00, “Chicago Lock Emergency Bulkhead Removal Plan Requirements” will be amended to include the following sentence:

“The second lifting beam will be delivered by the government to the Chicago Lock Parking lot.”

4. Question 4.0. Please see sheet C-1 for storage and staging areas. There is no specific dimension, however, refer to Sheet C-1 to scale the staging area available in the parking lot (approx. 100'x300').

5. Question 5.0. Regarding timing of COR trailers: Please see specification section 01 52 02 paragraph

1.7.4. Temporary field office is to be provided for the entire duration of the contract.

6. Question 6.0. A full time site safety & health officer is required at all times on this site while work is progressing from mobilization to de-mobilization.

7. Question 7.0. The contractor shall prepare a construction schedule as identified in 01 32 01.01 10 PROJECT SCHEDULE which includes mobilization of trailers.

8. Question 8.0. The provisions of 52.249-8 will apply to the fabrication (supply) work and the provisions of 52.249-10 will apply to the installation (construction) work to be performed under the contract.

9. Question 9.0. A sentence will be added to sheet S-1, 2.5.9 indicating deflection monitoring poles and base will be provided by the Government and that Contractor is responsible for installation and removal of poles and bases.

10. Question 10.0. As indicated in note 2, sheet C-1, placement of any heavy equipment will require approval from the COR. Additionally, in specification section 02 41 00, paragraph 1.5.3, states, “The Contractor shall ensure that structural elements are not overloaded and shall be responsible for increasing structural supports or adding new supports as may be required as a result of any cutting, removal, or demolition work performed under this contract.”

11. Question 11.0. Bid items will be added by amendment showing quantities of crack and spall repairs.

12. Question 12.0. Specification section 02 41 00 paragraph 1.3 indicates the submittal requirement for demolition. Also, see paragraph 1.5.3 of specification section 02 41 00.

13.0 Question 13.0. Detail A on sheet C-1 will be amended to delete any reference to outrigger location.

Contractor will be responsible for protection of all existing structures per FAR 52.236-9.

14. Question 14.0. Extents of plates are shown on RS-3.

15. Question 15.0. Extents of plates are shown on RS-3.

16. Question 16.0. As shown on RS-8, these plates extend across the entire gate face to form the gate skin plate face. Additional facing plates are shown on Section A-A of RS-8, such as the 48”x1/2” plate at

FRAME “B”.

17. Question 17.0. Contractors shall bid the item suitably, realizing that it will only be compensated on a cost reimbursable basis in accordance with the provisions stated within the Bid Item description.

18. Question 18.0. The contractor shall refer to the Buy American Act clauses included in Section I of the Solicitation. This District has not identified any foreign articles for this project that would be treated as domestic.

Re: Contractor’s Faxed Letter of 15 Jun 09. The USACE’s responses follow; to view the contractor’s full questions, refer to the attached pdf, marked Contractor #3.

1. Question 1.0. The MANDATORY SEQUENCE OF WORK in section F – Deliveries or Perfomance will be amended. Please refer to the new language.

2. Question 2.0 The Contractor Administrators will do the math in the contract administration phase of the contract. The following items will be considered: number of man-hours reflected on the prime contractor’s payroll and the overall value of the construction related work. We always consider supervisors, QC, and safety personnel in the percentage.

3. Question 3.0 . As indicated on Drawing S-1, Contractor is responsible for means and method to dewater and perform the work. Also, see clause 52.236-9 Protection of Existing Vegetation, Structures, Equipment.

4. Question 4.0. Similar response to question 3.0 above. Contractor is responsible for determining equipment to be used on the project. Please see sheet S-1.

5. Question 5, 2a. Sheets E-02 and E-04 will be revised in an amendment to clarify.

6. Question 5, 2b. Sheets E-04, E-05, and E-05A will be amended to clarify.

7. Question 5, 2c. Sheet E-04 will be amended to clarify.

8. Question 6, 3a and 3b. Sheet E-01 will be amended to clarify.

9. Question 6, 3c. Sheet E-09 will be amended to clarify.

Re: Contractor’s Faxed Letter of 09 Jun 09: The USACE’s responses follow; to view the contractor’s full questions, refer to the attached pdf, marked Contractor #4.

The following are the responses to questions in the referenced letter:

1. Question 1.0. An amendment will be issued to eliminate height restriction note in section A-A on sheet M-01.

2. Question 2.0. Specification 41 24 27, paragraph 2.3.8.2 will be amended to state:

A direct indicating thermometer shall be provided to indicate fluid temperature in the reservoir.

The thermometer shall be of the bimetallic type either mounted directly on the reservoir or panel.

The thermometer shall be easily readable from a distance of six feet above the top of the power unit. The scale range shall be 20 to 240 degrees F. The case and stem shall be corrosion resistant, and the wetted components shall be stainless steel. Thermometer wells of the separable socket type shall be provided for each thermometer with a direct type bulb.

3. Question 3.0. Please bid as per specification section 41 24 27, paragraph 2.3.9 and 2.3.9.1.

4. Question 4.0. Specification 41 24 27, paragraph 2.2.2.1, subparagraph “g”, will be amended to reflect the actual open/closed operations per hour as follows:

“Duty cycles: Maximum of 11 complete open and close operations per hour.”

5. Question 5.0. Specification section 41 24 27, paragraph 2.3.5.2 will be revised to state:

“Electric motor driving the pump shall be rated for a minimum of 20 hp full load and shall have

1.15 service factor. The flow rate shall be field adjustable without disturbing the piping. Pump shall be provided with an adjustable horsepower limiter device that will limit the maximum horsepower. Auxiliary pump shall be provided as a portable standalone unit fully primed and ready for use as needed. The portable auxiliary pump shall not be on a structure. Provide necessary connection points on the HPU for hook up to the auxiliary unit.”

6. Question 6.0. Please bid as per specification section 41 24 27, paragraph 2.3.4. Also, please see note 3, sheet M-02.

Re: Contractor’s Faxed Letter of 12 Jun 09: The USACE’s responses follow; to view the contractor’s full questions, refer to the attached pdf, marked Contractor #5.

The following are the responses to questions in the referenced letter:

1. Question 1.0. An amendment will be issued to revise note 6 on sheet S-40 as follows:

“6. All steel shall be hot dip galvanized, unless noted otherwise. Sector gates are to be painted in accordance with specification section 09 97 02, paragraph 3.5.”

2. Question 2.0. Welding for fracture critical members are covered in specification section 35 20 16.39 paragraph 2.1.1.1, 2.1.1.2, 2.1.1.8, & 2.3.3.2 and section 05 50 04 paragraph 2.3.3.2.

3. Question 3.0. The MANDATORY SEQUENCE OF WORK in section F – Deliveries or Perfomance will be amended. Please refer to the new language.

4. Question 4.0. Specification section 02 41 00 will be amended to include the following paragraph:

1.7.2 Existing Gates and Operating Equipment

The Contractor shall comply with all applicable safety and environmental regulations and shall take all necessary precautions when demolishing the existing structures and disposing of the existing materials.

5. Question 5.0. Specification 35 20 16.39, paragraph 3.1.6.1 will be amended to the following:

6. Question 6.0. In response to the Contractor's sixth question, the last sentence of Paragraph 3.5.5, Waste Water, part b in Specification Section 01 57 20.01 03, Environmental Protection for Illinois, was revised as follows:

7. Question 7.0. Manhole dimensions are shown on reference sheet RS-19.

8. Question 8.0. Contact information for MWRD can be provided during construction thru COR and Chicago Lockmaster.

9. Question 9.0. Per drawing SM-1, Retainer and Filler Ring Details, rings are shown as solid, but the note states “Retainer Ring and Filler Ring can be split…” .

10. Question 10.0. Per drawing SM-3, Detail – Keys on Hinge Pin, Keys are to be forged integral with hinge pin.

Re: Contractor’s Faxed Letter of 16 Jun 09: The USACE’s responses follow; to view the contractor’s full questions, refer to the attached pdf, marked Contractor #6.

1. Question 1. Contractor’s have a choice of completing its reps and certs by way of Section K of the Solicitation or by entering them into the ORCA database on-line. Should the Contractor opt to provide its reps and certs by way of ORCA, it must complete its reps and certs prior to the bid opening date and time; the contractor must inform the USACE that is has electronically submitted its reps and certs to ORCA by completing the appropriate line in Clause 52.204-8, as located in Section K of the Solicitation document.

2. Question 2. The provision has been revised by this Amendment.

3. Question 3. See the revised Bid Schedule incorporated into this Amendment.

Re: Contractor’s Faxed Letter of 11 Jun 09: The USACE’s responses follow; to view the contractor’s full questions, refer to the attached pdf, marked Contractor #7.

The following are the responses to questions in the referenced letter:

1. Question 1.0. Bid items will be added by amendment showing quantities of crack and spall repairs.

2. Question 2a. Please refer to the reference drawings for existing concrete surface thicknesses.

3. Question 2b. Per Section F, Time of Delivery, the mandatory sequence of work applies only to the process of installing the sector gates.

4. Question 2c. Latex modified concrete is required as per Sheet S-40, 2nd paragraph of the concrete repair note.

F. WAGE RATES: This Amendment incorporates new wage rates; General Decision Number:

IL080009 06/12/2009 IL9 is attached hereto and replaces the wage rates provided under the IFB as were issued on 22 May 09.

G. PRE-BID MEETING ATTENDANCE SHEET: A copy of the attendance sheet is attached hereto.

H. POINT OF CONTACT: The point of contact for this Amendment is Regina G. Blair at (312) 846-5371.

(End of Summary of Changes)

REVISED Section B - Supplies or Services and Prices

(AMENDMENT 0001)

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0001 1 Lump Sum

MOBILIZATION AND DEMOBILIZATION

FIRM-FIXED-PRICE (FFP)

PURCHASE REQUEST NUMBER: W81G6690691047

NET AMT

0002 1 Lump Sum

TEMPORARY CONSTRUCTION FACILITIES

FFP

0003 1 Lump Sum

FABRICATION & PAINTING OF WEST SECTOR

GATES

0004 1 Lump Sum

FABRICATION & PAINTING OF EAST SECTOR

GATES

0005 1 Lump Sum

FURNISH & STORAGE HYDRAULIC POWER

SYSTEM - EAST GATES

0006 1 Lump Sum

BULKHEAD PLACEMENT & DEWATERING - WEST

GATES

0007 1 Lump Sum

DEMOLITION - WEST GATES

0008 1 Lump Sum

INSTALLATION OF WEST SECTOR GATES

- INCLUDES INSTALLATION OF WEST GATES, FURNISH AND

INSTALLATION OF ALL HYDRAULIC POWER COMPONENTS,

ELECTRICAL POWER & CONTROL SYSTEM, CONCRETE WORK AND

ALL OTHER WORK NECESSARY FOR INSTALLATION OF WEST GATES.

0009 1 Lump Sum

EMERGENCY STANDBY EQUIPMENT

THIS IS A COST-REIMBURSABLE LINE ITEM - The Government will reimburse the Contractor for actual standby costs associated with this bid item, not to exceed its bid price. Therefore, the government will not pay more than the total line item amount for this bid item. Should the contractor exhaust its budget (bid price) for this line item because additional standby time is deemed necessary, the government may negotiate a fair and reasonable price with the contractor to make adjustments to the contract price. However, the contractor shall NOT incur any additional costs or perform any additional services outside of the bid price until the government has authorized the contractor to proceed with the additional standby services.

The contractor shall coordinate the services of this line item with the Contracting Officer’s Representative (COR) such that compliance with the ceiling price of this item and the tasks performed, the associated level of effort, and scheduling can be verified. Therefore, any work performed in association with this line item must be verified by the COR prior to the contractor’s submission of its invoice for this item.

Payment will be made for costs associated with providing additional equipment, towboat, barges, etc. to be available 24/7 for the emergency removal of bulkheads during west gate demolition and installation of west sector gates. The COR is responsible for processing payments. The contractor shall provide the COR with paid invoices and all other supporting cost information for the verification of the Contractor’s expenditures for this line item.

NOT TO EXCEED

0010 20 Days

PHASE I - ALERT

reimburse the Contractor for actual costs associated with this bid item, not to exceed its bid price. Therefore, the government will not pay more than the total line item amount for this bid item. Should the contractor exhaust its budget (bid price) for this line item because additional services are deemed necessary, the government may negotiate a fair and reasonable price with the contractor to make adjustments to the contract price. However, the contractor shall NOT incur any additional costs or perform any additional services outside of the bid price until the government has authorized the contractor to proceed with the additional services.

The COR is responsible for processing payments. The contractor shall provide the COR with paid invoices and all other supporting cost information for the verification of the Contractor’s expenditures for this line item.

0011 10 Days

PHASE II - INITIATE RECALL & SECURE WORK

AREA

THIS IS A COST-REIMBURSABLE LINE ITEM - The Government will reimburse the Contractor for actual costs associated with this bid item, not to exceed its bid price. Therefore, the government will not pay more than the total line item amount for this bid item. Should the contractor exhaust its budget (bid price) for this line item because additional services are deemed necessary, the government may negotiate a fair and reasonable price with the contractor to make adjustments to the contract price. However, the contractor shall NOT incur any additional costs or perform any additional services outside of the bid price until the government has authorized the contractor to proceed with the additional services.