AMENDMENT 0004 W912P609B0017 MCCOOK GATE SHAFT.pdf

W81G6691533524

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-0017, "MCCOOK GATE SHAFT, MCCOOK, ILLINIOS" By w ay of this Amendment Number 0004, the government is hereby amending the previously issued Solicitation Number W912P6-09-B-0017 as delineated on the follow ing page.

The Bid Opening date and time REMAINS UNCHAGED; therefore bids are due to the USACE-Chicago District by 2:00 p.m. CDT on 11 September 2009.

The Point of Contact for this Amendment is Gregory C. Gulledge at 312-846-5374.

THIS AMENDMENT CONTINUES ON THE NEXT PAGE

1. CONTRACT ID CODE PAGE OF PAGES

J 1 3

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

16C. DATE SIGNED

BY 09-Sep-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-0017

X 9B. DATED (SEE ITEM 11)

11-Aug-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 is extended, X 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

09-Sep-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-0017

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

a. AMENDED PROJECT SPECIFICATION SECTION: The following Specification Section has been amended as delineated below; therefore bidders shall remove the affected page and replace it with the respective page attached hereto.

- Section 01 22 00.00 10 MEASUREMENT AND PAYMENT, page 8, paragraph 1.2.10.1 has been changed.

b. AMENDED PROJECT DRAWING SHEETS: One drawing sheet has been amended as delineated below; therefore bidders shall replace the affected sheet of the Drawing Sheet with the respective sheet attached hereto.

- Drawing sheet C-502.

(End of Summary of Changes)

W912P6-09-B-0017

USACE RESPONSES TO CONTRACTOR’S QUESTIONS

Provided below are the USACE’s responses to questions that have been submitted by Contractor’s since the issuance of Amendment 0003.

(1) Contractor Question: The mesh pins which are specified to hold the chain link fabric or the WWF. Please identify the required spacing for these 36” long x 5/8” pins.

USACE Response: SEE revised Plan Sheet C-502 and revised Specification Section 01 22

00.00 10, page 8, which have been incorporated by this Amendment and attached hereto.

(2) Contractor Question: Can the permanent poured in place concrete work be performed before rock blasting and rock excavation.

USACE Response: Sequencing of work shall be determined by the contractor and submitted for approval in the Shaft Excavation Work Plan. Contractor shall protect any completed work from damage throughout construction. SEE Specification Sections 31 72 13.00 03 and 31 75 07.

(3) Contractor Question: Can the water from dewatering operations after it goes thru the settling basin be deposited on site or in MWRD facilities.

USACE Response: Handling, managing and disposal of the groundwater infiltrate are the Contractor's responsibility. All appropriate mining or other permits involved shall be obtained by the Contractor as part of this work. SEE Specification Section 01 57 20 01 05. (AMENDMENT NO. 0002 Question No. 25)

End of questions and responses

CUP - McCook Reservoir, Main Tunnel Access Shaft W912P6-09-B-0017 complete resin encapsulation; initial tensioning of rock dowels, all pull testing of supplemental rock dowels and all other items incidental to the work.

1.2.9.2 Measurement

No separate measurement will be made for any work items within this Bid Item.

1.2.9.3 Unit of measure

Unit of measure: Lump Sum (LS)

1.2.10 Shotcrete

1.2.10.1 Payment

Payment will be made for furnishing, delivering, and placing Shotcrete as described in SECTION 31 75 33.00 03 SHOTCRETE, at the Contract lump sum price for Bidding Schedule Item No. 0011. Payment shall constitute full compensation for all labor, materials, equipment, tools, supplies, and incidentals necessary to complete the work including but not limited to the cost of development of approved shotcrete mixes; all testing, including laboratory and field testing and test panels required to develop and obtain approval of the shotcrete mixes; certification of nozzlemen; cleaning surfaces to receive shotcrete, including previously shotcreted surfaces;

materials required for shotcrete mixes, including aggregates, cements, admixtures, accelerators, and water; all materials and equipment required for storage, transportation, batching, mixing, pumping, application and curing of shotcrete; all mesh pins and welded wire reinforcing; any measuring pins or other devices necessary to verify the thickness of shotcrete applied; removal and disposal of rebound; and removal and disposal of defective, drummy, or improperly adhered shotcrete.

1.2.10.2 Measurement

No separate measurement will be made for any work items within this Bid Item.

1.2.10.3 Unit of measure

Unit of measure: Lump Sum (LS)

1.2.11 Performance and Payment Bonds

1.2.11.1 Payment

Payment will be made for the costs associated with Performance and Payment Bonds at the Contract lump sum price and shall constitute full compensation for the cost of premiums for performance and payment bonds, at the Contract lump sum price for Bidding Schedule Item No. 0016. Upon presentation of evidence of full payment, the Government will reimburse the Contractor the cost of premiums for performance and payment bonds. The Government will pay either the actual cost of the performance and payment bonds or the Contractor's bid price, whichever is less.

1.2.11.2 Measurement

No separate measurement will be made for any work items within this Bid

SECTION 01 22 00.00 10 - Page 8

AMD0004

MC01RRY09PS_C-502.dgn 9/9/2009 4:55:22 PM

2’-6"5’

88’-0" DIAMETER

MINIMUM CLEAR AREA

MESH PIN (TYP)

DRAIN HOLE (TYP)

10^-20^ (TYP.)

x x x x x x x x x x x x x x

NTS

x x x x

WWF 4"x4"-W4xW4

WWF 4"x4"-W4xW4

ROCK DOWEL

8" MAX.

6" SHOTCRETE MINIMUM

NTS NTS

SHOTCRETE DETAIL

DRAIN HOLE DETAIL

3/4" MIN. SHOTCRETE

COVER OVER ENDS

OF ROCK DOWELS DRAIN HOLE AND MESH PIN LAYOUT

5’-0

4" O DRILL HOLE

6" SHOTCRETE MINIMUM

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NOTES:

1.

SUPPLEMENTAL PERMANENT ROCK SUPPORT INCLUDING USE OF STEEL

MINE STRAPS AND SHOTCRETE SHALL BE AS APPROVED BY THE CONTRACTING

OFFICER IN THE FIELD.

3.

ROCK DOWELS AND ANCHOR BARS, MINE STRAPS AND SHOTCRETE ARE AS

SHOWN ON THE PLANS OR AS ORDERED OR APPROVED BY THE CONTRACTING OFFICER.

2.ADDITIONAL DRAIN HOLES AND FINAL LOCATIONS OF ALL DRAIN HOLES TO AS

APPROVED BY THE CONTRACTING OFFICER.

4.MESH PINS SHALL BE AS SPECIFIED IN SECTION 31 72 13.00 03.