W911WN17B8007_04.pdf

W81ET471501262

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

RE: CONEMAUGH LAKE PERMANENT EMBANKMENT AND CULVERT REPAIR, BLAIRSVILLE, PA

The purpose of this amendment is to 1) post Additional Contractor Questions and minor revisions to the Specifications (Section 01 22 00.00 10), Plans (C-5015 and G-0011), and Price Schedule (CLIN 0012). Additionally, this amendment clarifies that Amendments 01 and 03 have a "DRAFT" w atermark, but are still recognized as official amendments.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 4

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

16C. DATE SIGNED

BY 08-Sep-2017

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 W911WN17B8007

X 9B. DATED (SEE ITEM 11)

09-Aug-2017

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

08-Sep-2017

CODE

CONTRACTING BRANCH

US ARMY CORPS OF ENGINEER WM S MOORHEAD FED B

IBERTY AVENUE

PITTSBURGH PA 15222-4186

W911WN 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W911WN17B8007

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

SECTION 00010 - SOLICITATION CONTRACT FORM

The following have been modified:

PRICE SCHEDULE

ITEM DESCRIPTION QUANTITY U/M U/P AMOUNT

BASE CONTRACT

0001 Reimbursement for Actual 1 JOB $_________ $_________ Performance and Payment Bond Premiums 0002 Digital Progress Images 6 SET $_________ $_________ 0003 Erosion and Sediment 1 JOB $_________ $_________ Controls 0004 Diversion Structure 1 JOB $_________ $_________ 0005 Unclassified Excavation 1,184 CY $_________ $_________ 0006 Excavation of Existing R-4 242 CY $_________ $_________ Material 0007 Temporary Stockpile and 242 CY $_________ $_________ Reuse of Existing R-4 Material 0008 Furnish and Install New 2,001 CY $_________ $_________ R-4 Material 0009 CCCP Liner 85 LF $_________ $_________ 0010 Structural Plate Arch 50 LF $_________ $_________ 0011 Headwall 1 EA $_________ $_________ 0012 Geotextile with Sand Bedding 2,330 SY $_________ $_________ 0013 Site Demolition 1 JOB $_________ $_________ 0014 Stormwater Collection 1 JOB $_________ $_________ System 0015 Security Fence 140 LF $_________ $_________ 0016 Furnish and Install AASHTO 240 CY $_________ $_________ #57 Stone 0017 Furnish and Install AASHTO 56 CY $_________ $_________ #1 Stone 0018 Furnish and Install Crest 356 CY $_________ $_________ Fill 2 RC 0019 Furnish and Install R-5 296 CY $_________ $_________ Streambank Armoring 0020 Invert Repair Mortar 155 LF $_________ $_________

TOTAL, BASE (ITEMS 0001 THROUGH 0020)

1001 Reimbursement for Actual 1 JOB $_________ $_________ Performance and Payment Bond Premiums 1002 Excavation for R-5 148 CY $_________ $_________ Streambank Armoring 1003 Furnish and Install R-5 148 CY $_________ $_________

Streambank Armoring 1004 Streambank Geotextile 389 SY $_________ $_________

TOTAL, AWARDABLE OPTION 1 (ITEMS 1001 THROUGH 1004) $______________

2001 Reimbursement for Actual 1 JOB $_________ $_________ Performance and Payment Bond Premiums 2002 Upstream Culvert Lining 40 LF $_________ $_________

TOTAL, AWARDABLE OPTION 2 (ITEMS 2001 AND 2002) $______________

3001 Reimbursement for Actual 1 JOB $_________ $_________ Performance and Payment Bond Premiums 3002 Downstream Culvert 24 LF $_________ $_________ Extension Lining

TOTAL, AWARDABLE OPTION 3 (ITEMS 3001 AND 3002) $______________

TOTAL, BASE PLUS AWARDABLE OPTIONS (ITEMS 0001 THROUGH 3002) $______________

SECTION 00100 - BIDDING SCHEDULE/INSTRUCTIONS TO BIDDERS

The following have been added by full text:

ADDITIONAL KTR QUESTIONS

QUESTION #24: Drawing C5015-B detail 8 was added and we believe it is miss-labeled as the detail pertains to the transition between the new steel plate extension and the existing steel plate extension.

ANSWER #24: Drawing C 5015‐B Detail 8 should be labeled "CULVERT TRANSITION STA. 3+00." The sheet has been revised to correct this label.

QUESTION #25: The detail 8 on drawing C5015B illustrates that the existing headwall is to remain. The plan view and sections views on drawing C4012B does not illustrate the existing headwall to remain.

Does the entire existing headwall remain and then therefore does not require any demolition or is just a portion of the headwall to remain?

ANSWER #25: The existing headwall and wingwall are to remain in their entirety. Removing them would incur unnecessary risk to existing sewer lines and manholes upslope. Please see note at existing headwall on sheet G‐1012‐A indicating the headwall is to remain.

QUESTION #26: The transition piece that is referred to in the notes of detail 8; is this just taking a piece of the arch culvert and welding it to the existing and new steel arch? Our supplier does not have something they manufacture so we believe this a fabricated piece but want to make sure this was the intention of the note.

ANSWER #26: The intent of the note is the fabrication of a custom transition piece matching the materials of the structural arch plate.

QUESTION #27: Drawing C3017B detail2 was added for the bedding sand under the riprap. Please add an item for the sand bedding. If this is incidental to an item please provide that definition to what item it is in to be included. The extent to which this detail applies is not clear if it is very where there is geotextile; please clarify.

ANSWER #27: Drawing C 3017‐B detail 2 was not added but revised. The original detail included a 12‐ inch thick sand bedding layer to be placed between the geotextile and the R‐4 stone. The revised detail includes 6 inches of sand between the placement surface and the geotextile and 6 inches of sand between the geotextile and the R‐4 stone. Therefore, there was no change in quantity of sand.

Locations for placement of the sand bedding are indicated on each drawing by the designation "GEOTEXTILE WITH BEDDING (SEE DETAIL 2, SHEET C‐3017‐B)." The streambank armoring and structure backfill geotextiles do not include bedding layers, and thus the respective drawings for these features do not reflect bedding. Sand for bid item GEOTEXTILE WITH BEDDING is incidental to the item.

QUESTION #28: Per the detail 11 on C5016B; the micro‐pile batter illustrates it going inward towards the invert of culvert rather than outward. The answer to question 17 stated that the excavation did not need to be increased to obtain the 30 degree batter. We believe that the batter should be outward typical on all battered piles and then the answer is correct for question 17. If not then this changes things drastically.

ANSWER #28: The batter of the pile is correctly shown as going inwards towards the invert of the culvert. The excavation required for an equipment seat to install the pile caps will be the same as the equipment seat required to install the vertical and battered piles.

DESCRIPTION OF AMENDMENT 04

Amendment 04 incorporates a minor change to the plan set to respond to questions raised in response to Amendment 02. The label for detail 8 on drawing C 5015‐B was mislabeled and has been corrected in the Revision to Plans dated 06 September 2017. Specifications section 01 22 00.00 10 has been modified, as shown in the Revision to Specifications dated 06 September 2017.

(End of Summary of Changes)