GROUT 2 MCCOOK Amendment 0001.pdf

W81G6690139627

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: REQUEST FOR PROPOSAL NUMBER W912P6-09-R-0006, CONTRACT FOR CONSTRUCTION SERVICES IN SUPPORT OF THE GROUT CURTAIN II CUP McCOOK RESERVOIR PROJECT

The government is issuing this Amendment Number 0001 to its previously issued Solicitation W912P6-09-R-0005 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 46

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

16C. DATE SIGNED

BY 24-Jul-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-R-0006

X 9B. DATED (SEE ITEM 11)

06-Jul-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

24-Jul-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-R-0006

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

A. PROPOSAL DUE DATE: The required response date/time has changed from 6 August 2009 to 13 August 2009 at 2:00PM. CDT

B. PRE-PROPOSAL MEETING SCHEDULED: The Pre-Proposal Meeting is schedule for July 31, 2009, 10:00CDT at 7601 S. LaGrange Rd., Willow Springs, IL 60480 in the Lawndale Avenue Solids Management Conference Room.

C. AMENDED SPECIFICATION SECTIONS:

1. Specification Sections added:

28 23 29.00 03 Webcam (with 2 attachments) 31 22 50 Grading and Slope Construction 31 05 19.13 03 Geotextiles used as Filters and Underlays 31 37 16.00 03 Riprap for erosion Control

2. Amended Specification Sections:

00 31 19.01 03 Existing Conditions

Sub-Section 1.2 Current and Recent Work, Paragraph Added:

“The activities of other contractors and activities at the site have impacted the berm and slope conditions, and the conditions depicted in the drawings with respect to soil slopes may or may not be representative of those encountered upon the start of work under this contract. The Contractor shall survey and assess the areas of his Work Platform prior to submittal of his Work Plan for construction of this feature of the work, and verify the location of the grout curtain with respect to the overburden cutoff wall.”

31 00 00 Earthwork

Sub-Section 1.3, SD-01 Preconstruction Submittals, Work Platform Construction Plan, Sentence added:

“The Contractor shall survey existing conditions along the alignment of the Work Platform and shall include the results of surveys used to determine the elevations, grades and topography along the alignment of the grout curtain for the purposes of designing the Work Platform.”

01 22 00.00 03 Measurement and Payment:

Sub-Section 1.3.5 Borehole Deviation Survey–Base Bid Items, Changes to sentence:

Changed “all primary holes and 20 percent of …..” to “… all initial primary holes, 50 of the remaining primary holes, and 10% of subsequent secondary and tertiary holes.”

Sub-Section 1.3.11 BASE BID ITEMS 0016AA AND 0016AB AND OPTION

BID ITEMS 0035AA AND 0035AB:

Admixture unit of measure changed to “Pounds” in lieu of “unit” “gallon” or “cubic feet”.

Sub-Section 1.2, Bid items added

BID ITEM 0042: Option 2 Webcams BID ITEM 0041: Performance and Payment Bonds added Option 2 BID ITEM 00 44AA and 0044AB Geotextile Fabric BID ITEM 0045 AA and 0045 AB Riprap BID ITEM 0043 AA and 0043AB Grading and Slope Construction BID ITEM 0042 Webcams BID ITEM 0041 Performance & Payment Bond for Option 2

D. AMENDED DRAWING SHEETS

1. Drawing Sheet Added:

Sheet No. C-12 Slope Stabilization Areas

2. Amended Drawing Sheets:

Sheet No. C-07, detail C added to sheet Sheet No. G-02, Index amended to include new sheet C-12

E. CONTRACTOR QUESTIONS AND RESPONSES:

1. QUESTION: The drilling and grouting work will be performed in the proximity of a live railroad track. Is the contractor supposed to carry railroad protective liability insurance for the project?

RESPONSE: The Contractor is obligated to abide by applicable safety requirements of the USACE Safety EM, as cited. Insurance issues are not a technical matter, per se. It is stated that the railroad usage shall not be interrupted by the Contractor's activities.

Insurance is something he may be responsible for on his own.

2. QUESTION: Boreholes deviation survey requirements in section 318300.0003 part

3.3.3.1 are different than what indicated in section 012200.0003 part 1.3.5. Please clarify.

RESPONSE: The provisions of the technical spec on drilling and grouting specify that All initial primary holes and 50 of remaining primary holes, as well as 10% of subsequent holes shall be surveyed for alignment. The provisions of the Measurement and payment spec should be corrected to reflect this, as opposed to its stipulation that all primary holes and 20% of subsequent holes be surveyed.

3. QUESTION: Please verify that the tunnel layout in drawing sheet C-11 is conforming to the layout in drawing R-01. Both drawing indicate a bypass tunnel but in opposite directions.

RESPONSE: Drawing C-11 depicts the grout curtain alignment with the abandoned former section of the 73rd Street Tunnel overlaid on it. The Reference drawings, R-01 through R-03 depict the As-Built conditions of the former 73rd Street connector tunnel constructed for MWRD. The different orientations with respect to north and the scale may be confusing; however, they are both accurate to the extent we are aware. The 2-ft.

diameter “bypass Tunnel depicted in drawing C-11 is the more recently constructed 73rd Street bypass tunnel replacing the section that is within the footprint of the reservoir. The tunnel heading off the 73rd Street tunnel in R-01 is not within the limits of Figure C-11

4. QUESTION: 4. Is there an access shaft to the tunnel section to be plugged? If so, please indicate access point in the drawings.

RESPONSE: There is no access shaft to the abandoned section of tunnel to be plugged.

5. QUESTION: Provide construction details of the existing bulkhead indicated in drawing C-11.

RESPONSE: We do not have reference information for the bulkhead other than it is a concrete structure within the unlined tunnel.

6. QUESTION: If an access shaft is not available, is the contractor supposed to include in the bid the construction of an access shaft and connecting adit? If so, provide the location and constraints for the construction of the access shaft. Construction details of the 14-ft diameter abandoned tunnel will also be necessary in order to construct the adit between the new access shaft and the tunnel.

RESPONSE: There is no requirement for an access shaft and/or adit implied in the solicitation, and within the work area, such a construction would be difficult to achieve logistically and within the timeframe of this work. The solicitation requires the Contractor to propose a means of plugging the tunnel and verifying the success of that plugging, and the means and methods, be they coalescing mounds of low-mobility grout, or some other means. The evaluation of the means and method proposed will be included in the overall evaluation of the proposals as a selection factor, described in the instructions.

7. QUESTION: An option in lieu of constructing the access shaft and adit would be to stop the grout curtain few feet above the 14-foot diameter tunnel. The remaining of the grout curtain from within the tunnel could be accomplished in a separate contract once the rock mining reaches the tunnel elevation. Is this option feasible?

RESPONSE: The potential advantages and disadvantages of separating the tunnel plug from the contract were considered, and it was determined most feasible and technically prudent to have the work performed before the quarry excavation reaches that level.

8. QUESTION: . … request that the grouting data for the Stage I Grout Curtain be made available.

RESPONSE: he McCook Stage 1 Grout Curtain contract is not yet complete, and final reports and data are not yet compiled. The data available for release at this time has been provided.

9. QUESTION: . … request electronic copies of all reports pertaining to subsurface conditions at the project site, as outlined in Section 00 31 32.13 03, page 3, Paragraph 1.3, items numbered a. through k…

RESPONSE: The References requested for the McCook Stage II Grout Project have been posted to the publicly accessible FTP site:

ftp://ftp.usace.army.mil/pub/lrc/McCookStage2%20Grout%20References/

Please Note: You may have to go to "Page" icon and select "Open ftp site in Windows Explorer" to view folders.

10. QUESTION : . …request clarification regarding Section 00100 - Bidding Schedule/Instruction to Bidders, Part 1, Paragraph 1.4, page 41 of 84: Under Submission Format Requirements, are Sections 1, 2, and 3 to be EACH submitted in separate binders; i.e. each section is actually a separate volume, with one original + 4 copies, for a combined total of 15 binders. Or are sections 1, 2, and 3 part of one big technical volume consisting of one original binder + 4 copies for a total of 5 binders. It is also our understanding that section 4 is to be submitted in a separate envelope, not a binder, and that it is to be an original version only. How many of these "Original Copies Only" does the Corps require?

RESPONSE: The Proposals shall be submitted as follows: Section 1 (Technical Approach and Management), Section 2 (Experience), and Section 3 (Past Performance) should be in the same binder and each of the Sections should be tabbed. 1 original and 4 copies of Sections 1, 2, and 3, for a total of 5 binders. Section 4 shall be submitted in original copies (only) and shall be placed in an envelope clearly labeled Section 4, that includes SF 1442, Section 00010, Section 00600, and Bid Guarantee, each of these sections should be tabbed. Section 4 may be placed in a binder within the marked envelope.

11. QUESTION: Is the performance time of 730 calendar days apply to Base work only? Is the Option work to be completed within this performance time?

RESPONSE: As per page 1 of Solicitation block 11 “The Contractor shall begin performance within 10 calendar days after receiving notice to proceed letter and complete the base work within 730 calendar days. The total contract performance period including base work and options is 1100 calender days. A bilateral Modification will be executed for the option work .

12. QUESTION: Request clarification of how Bid Item 0016 – “Admixtures in Grout” is measured and paid for. The solicitation form shows the unit as “Unit”, whereas Section 01 22

00.00 states the measurement will be “gallons” and the unit of measure will be “cubic feet”.

Please clarify the unit and measure.

RESPONSE: BASE BID ITEMS 0016AA AND 0016AB AND OPTION BID ITEMS

0035AA AND 0035AB, and Section 01 22 00.00, all units of measure shall read “Pounds” in lieu of “unit” “gallon” or “cubic feet”. Amount in Bid Items has been adjusted and converted to “pounds”. Please refer to revised Section 01 22 00.00 and bid schedule.

13. QUESTION: Section 00100 Bidding Schedule/ Instructions to Bidders, 1.6.1 Schedule and Cost Control outlines items to be provided in the schedule for the base bid, Option 1 and Option 2. We have reviewed the bid schedule and found only base bid and Option 1 items.

Please clarify how many options there are for this project?

RESPONSE: As part of the Addendum, Option 2 is defined. Thus a total of a Base, Option 1, and Option 2 are part of the project. Option 1 and Option 2 items may or may not be exercised in part or in their entirety.

14. QUESTION: Section 01 22 1.3.5.1 states bore hole deviation must be conducted on all primary and 20% of remaining holes, Section 31 83 3.3.3.1 states deviation survey should be done on initial verification holes and 50% of all primary holes and 10% of all subsequent secondary and tertiary grout holes. Please clarify what section governs.

RESPONSE: Section 31 83 3.3.3.1 is correct. As part of the Addendum, Section 01 22

1.3.5.1 has been modified; Sentence portion “all primary holes and 20 percent of …..”

has been changed to “… all initial primary holes, 50 of the remaining primary holes, and 10% of subsequent secondary and tertiary holes.”

15. QUESTION: Request that a construction detail drawing be provided to clarify scope of work required in paragraph 3.2.6 of Section 31 00 00, “ Controlled Low Strength Materials”.

RESPONSE: Please Refer to Detail C on Drawing C-07.

16. QUESTION: The railroad on the south side of the grout curtain is very close to our work area. Please provide a schedule of trains so we may plan our work accordingly.

RESPONSE: The trains usually run twice a day, once in the morning and again in the afternoon. There is no real schedule because it depends on how much and how fast they can load the trains.

17. QUESTION: What limits will be placed on our work by the railroad, i.e. will we need to shut down operations during train passage at certain distances away from the track? If so and grouting operations are shut down, will grout hole be called incomplete if we need to move from it before is finished? In this case how will the contractor be compensated for additional costs and schedule delays?

RESPONSE: For the most part, there will be no need to shut down operations when the train passes through. Our railroad crew recommends a safe clearance of about 10' from the edge of the railroad ties while the train is present. Materials and equipment can be staged closer during the day but may need to be relocated as the train approaches. The railroad crew also recommends a flagger be present if working while the train is present.

There is one area I believe in the vicinity of Lagoon 17 where the slurry wall gets really close to the tracks. In this area there will likely need to be some coordination with the railroad so that work does not get interrupted in the middle of grouting a hole. Perhaps second shift work in this area or during winter months when the train may run less frequently would be a suitable option.

18. QUESTION : Will we be able to work directly adjacent to the railroad tracks or does our operation need to maintain a certain safe distance away from the tracks.

RESPONSE: As stated above, we recommend a safe clearance of 10' from the railroad ties when the train is present. We have no other requirements other than the contractor practice proper safety techniques.

Section 00010 - Solicitation Contract Form

AMENDMENT 0001

BASE WORK ITEMS (0001 THROUGH 0022)

ITEM NO SUPPLIES/SERVICES QUANTITY UNIT UNIT PRICE AMOUNT

0001 1 Lump Sum Mobilization and Demobilization

FIRM-FIXED-PRICE (FFP)

PURCHASE REQUEST NUMBER: W81G6690139627

NET AMT

0002 1 Lump Sum Project Signs

FFP

0003 1 Lump Sum Performance and Payment Bonds

(Line Items 0001, 0002 and 0004 through 0022)

THIS IS A COST REIMBURSABLE LINE ITEM - The Government will reimburse the Contractor for the actual cost of acceptable performance and payment bonds, upon receiving evidence of payment (paid invoice) from the bonding company or agency, not to exceed the total amount of the contract line item. The Government will not pay more than the total line item amount for the performance and payment bonds. If the actual cost of the bonds is less than the line item amount, the contract will modified to adjust the line item accordingly.

Adjustment(s) to the line item will also be made for any revisions to the actual bond costs associated with contract changes.

NOT TO EXCEED

0004 1 Lump Sum Work Platform

0005 1 Lump Sum Automated Grouting Control & Data

Collection (Setup & Calibration)

0006 24 Months Automated Grouting Control & Data

Collection (Operation)

ITEM NO SUPPLIES/SERVICES

Drilling Overburden

0007AA 74,100 Linear

Foot

Initial 74,100 LF

0007AB 49,400 Linear

Over 74,100 LF

Drilling Rock

0008AA 203,500 Linear

Initial 203,500 LF

0008AB 135,600 Linear

Over 203,500 LF

Additional Hole Setups

0009AA 72 Each Initial 72 LF

0009AB 56 Each Over 72 LF

Borehole Deviation Survey

0010AA 180 Each Initial 180 LF

0010AB 140 Each Over 180 LF

Bolehole Camera Log

0011AA 11,200 Linear

Initial 11,200 LF

0011AB 5,600 Linear

Over 11,200

Pressure Washing

0012AA 1,700 Hours Initial 1,700 Hrs

0012AB 850 Hours Over 1,700 Hrs

Pressure Testing

0013AA 860 Hours Initial 860

0013AB 430 Hours Over 860 Hrs

Type II Cement Grout

0014AA 3,825,000 Pound Initial 3,825,000 Pounds

0014AB 1,912,500 Pound Over 3,825,000 Pounds

Bentonite in Grout

0015AA 267,750 Pound Initial 267,750 Pounds

0015AB 133,875 Pound Over 267,750 Pounds

Admixtures in Grout

0016AA 188,000 Pound Initial 188,000 Pounds

0016AB 94,000 Pound Over 188,000 Pounds

Sand in Grout

0017AA 5,000 Pound Initial 5,000 Pounds

0017AB 5,000 Pound Over 5,000 Pounds

Grout Hole Connections

0018AA 2,648 Each Initial 2,648 EA

0018AB 1,324 Each Over 2,648 EA

Placing Grout

0019AA 6,800 Hours Initial 6,800 Hrs

0019AB 3,400 Hours Over 3,400 Hrs

Standby Time

0020AA 270 Hours Initial 270 Hrs

0020AB 400 Hours Over 270 Hrs

Verification Holes

0021AA 5,400 Linear

Initial 5,400 LF

0021AB 4,200 Linear

Over 5,400 LF

0022 1 Lump Sum Concrete Tunnel Plug

OPTION 1 WORK ITEMS (0023 THROUGH 0040)

0023 1 Lump Sum OPTION Option 1 Performance and Payment Bonds

(Line Items 0024 Through 0040)

THIS IS A COST REIMBURSABLE LINE ITEM - The Government will reimburse the Contractor for the actual cost of acceptable performance and payment bonds, upon receiving evidence of payment (paid invoice) from the bonding company or agency, not to exceed the total amount of the contract line item. The Government will not pay more than the total line item amount for the performance and payment bonds. If the actual cost of the bonds is less than the line item amount, the contract will modified to adjust the line item accordingly.

0024 1 Lump Sum OPTION Work Platform

0025 12 Months OPTION Automated Grouting Control & Data

Collection (Operation)

OPTION Drilling Overburden

0026AA 17,000 Linear

OPTION Initial 17,000 LF

0026AB 12,000 Linear

OPTION Over 17,000 LF

OPTION Drilling Rock

0027AA 47,700 Linear

OPTION Initial 47,700 LF

0027AB 31,800 Linear

OPTION Over 47,700 LF

OPTION Additional Hole Setup

0028AA 18 Each OPTION Initial 18 EA

0028AB 14 Each OPTION Over 14 EA

OPTION Borehole Deviation Survey

0029AA 46 Each OPTION Initial 46 EA

0029AB 36 Each OPTION Over EA

OPTION Borehole Camera Log

0030AA 2,620 Linear

OPTION Initial 2,620 LF

0030AB 1,310 Linear

OPTION Over 2,620 LF

OPTION Pressure Washing

0031AA 460 Hours OPTION Initial 460 Hrs

0031AB 230 Hours OPTION Over 460 Hrs

OPTION Pressure Testing

0032AA 200 Hours OPTION Initial 200 Hrs

0032AB 100 Hours OPTION Over 200 Hrs

OPTION Type II Cement In Grout

0033AA 900,000 Pound OPTION Initial 900,000 Pounds

0033AB 450,000 Pound OPTION Over 900,000 Pounds

OPTION Bentonite In Grout

0034AA 63,000 Pound OPTION Initial 63,000 Pounds

0034AB 31,500 Pound OPTION Over 63,000 Pounds

OPTION Admixtures In Grout

0035AA 44,000 Pound OPTION Initial 44,000 Pounds

0035AB 22,000 Pound OPTION Over 44,000 Pounds

OPTION Sand In Grout

0036AA 5,000 Pound OPTION Initial 5,000 Pounds

0036AB 5,000 Pound OPTION Over 5,000 Pounds

OPTION Grout Hole Connections

0037AA 620 Each OPTION Initial 620 EA

0037AB 310 Each OPTION Over 620 EA

OPTION Placing In Grout

0038AA 1,590 Hours OPTION Initial 1,590 Hrs

0038AB 795 Hours OPTION Over 1,590 Hrs

OPTION Standby Time

0039AA 140 Hours OPTION Initial 140 Hrs

0039AB 200 Hours OPTION Over 140 Hrs

OPTION Verification Holes

0040AA 2,700 Linear

OPTION Initial 2,700 LF

0040AB 2,100 Linear

OPTION Over 2,700

OPTION 2 WORK ITEMS (0041 THROUGH 0045AB)

OPTION Option 2 Performance and Payment Bonds

(Line Items 0041 Though 0045)

THIS IS A COST REIMBURSABLE LINE ITEM - The Government will reimburse the Contractor for the actual cost of acceptable performance and payment bonds, upon receiving evidence of payment (paid invoice) from the bonding company or agency, not to exceed the total amount of the contract line item. The Government will not pay more than the total line item amount for the performance and payment bonds. If the actual cost of the bonds is less than the line item amount, the contract will modified to adjust the line item accordingly.

0042 1 Lump Sum OPTION Option 2 Webcams

OPTION Option 2 Grading and Slope Construction

0043AA 6,000 Cubic

Yard

OPTION Initial Quantity 6,000 Cubic Yards

0043AB 2,000 Cubic

OPTION Over Quantity 6,000 Cubic Yard

Option 2 Geotextile Fabric

0044AA 36,000 Square

OPTION Initial Quantity 36,000 Square Yards

0044AB 3,000 Square

OPTION Over Quantity 36,000 Square Yards

Option 2 Riprap

0045AA 17,200 Net Ton

(2,000 LB)

OPTION Initial Quantity 17,200 Tons

0045AB 4,300 Net Ton

(2,000 LB)

OPTION Over Quantity 17,200 Tons

TOTAL AMOUNT OF PROPOSED PRICE (0001 THROUGH 0045AB): $_____________________________

EVALUATION OF OPTION ITEMS:

The Government will evaluate offers for award purposes by adding the total price for all options to the total price for the basic requirement. Evaluation of options will not obligate the Government to exercise the option(s).

EXERCISE OF OPTION ITEMS:

OPTION 1 WORK: At the government's discretion, the Items under “Option 1 Work” may be exercised within 540 calendar days following the contractor’s acknowledgement of the Notice to Proceed letter. If any option is exercised, it will be awarded by way of a formal Modification to the Contract. Under the Modification, the period of performance would be extended by 360 calendar days.

OPTION 2 WORK: At the government's discretion, any or all of the Items under “Option 2 Work” may be exercised no later than 825 calendar days following the award of the Base Work within 540 calendar days following the contractor’s acknowledgement of the Notice to Proceed letter. The Contractor will have a performance period of 70 calendar days to execute the work under Option 2 Work once acknowledging the Notice to Proceed. Options that are exercised will be awarded by way of a formal Modification.