Amend 0002 - W912HY20B0027.pdf

W45VAK01572933 007140

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

Continue on Page 2.

1. CONTRACT ID CODE PAGE OF PAGES

J 1 2

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

16C. DATE SIGNED

BY

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 W912HY20B0027

X 9B. DATED (SEE ITEM 11)

17-Jul-2020

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 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.)

Gulf Intracoastal Waterway (GIWW), Texas, Rollover to Causeway and Bolivar Flare in Galveston and Chambers Counties, Texas, Pipeline Dredging in which bid opening is scheduled for August 18, 2020 at 2:00 PM (CDT) is hereby amended as follows:

10A. MOD. OF CONTRACT/ORDER NO.

2. AMENDMENT/MODIFICATION NO.

5. PROJECT NO.(If applicable)

6. ISSUED BY

3. EFFECTIVE DATE

05-Aug-2020

CODE

US ARMY CORPS OF ENGINEERS

2000 FORT POINT ROAD

P.O. BOX 1229

GALVESTON TX 77553-1229

W912HY 7. ADMINISTERED BY (If other than item 6)

4. REQUISITION/PURCHASE REQ. NO.

CODE

See Item 6

FACILITY CODECODE

EMAIL:TEL:

W912HY20B0027

A0002-2

SECTION SF 30 BLOCK 14 CONTINUATION PAGE

SUMMARY OF CHANGES

1. THE SPECIFICATIONS FOR SOLICITATION NO. W912HY20B0027, GULF

INTRACOASTAL WATERWAY, TEXAS ROLLOVER TO CAUSEWAY AND BOLIVAR

FLARE IN GALVESTON AND CHAMBERS COUNTIES, TEXAS PROJECT MANUAL FOR

PIPELINE DREDGING, ARE HEREBY AMENDED AS FOLLOWS:

**(THE BID DUE DATE IS TO REMAIN SCHEDULED FOR AUGUST 18, 2020 AT 2:00 PM

LOCAL TIME.)

a) Specifications.

(1) None

b) Drawings.

(1) DRAWINGS NO. G-002, C-413, and C-501 – The enclosed Drawings No. G-002, C-413, and C-501, supersedes that issued with this Solicitation.

2. This amendment shall be attached to and become a part of the solicitation.

03 Encls:

1. DRAWING NO. G-002

2. DRAWING NO. C-413

3. DRAWING NO. C-501

of Engineers U.S. Army Corps

Galveston District

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W912HY20B0000

SOLICITATION NO.:

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LOCATION OF PIPELINE CROSSINGS

BOTTOM LIMITS OF CHANNEL

... TO BE DREDGED

CHANNEL STATIONING & CENTERLINE

LOCATION OF CROSS SECTIONS

NEW DIKES TO BE BUILT

DREDGE PIPELINE ROUTE

EXISTING DIKES

WEIR SPILLWAY

DROP OUTLET STRUCTURE

TIDE STAFF

HORIZONTAL CONTROL POINTS

LIGHT BEACONS

RANGE TOWERS AND RANGES

CHANNEL MARKER BEACONS:

INTERIOR DISCHARGE POINTS (ODMDS)

EXIST. DIKES TO REPAIR

EXIST. DIKES BY OTHERS

GREEN RED

COMBO

MOUNDSTO BE USED

PLACEMENT AREAS

C .S

SOIL BORING LOCATIONS CONE PENETROMETER (CPT) LOCATIONS

(SOME ELEMENTS SHOWN BELOW MAY NOT BE IN THIS PROJECT)

OR OCEAN DREDGED MATERIAL DISPOSAL SITE (ODMDS)

PLACEMENT AREA (UNCONFINED PLACEMENT)

LIMITS OF OPEN WATER

POINTS (ODMDS)

PERIMETER DISCHARGE

DISCHARGE CORRIDOR

BORROW AREA

LIMITS OF RIPRAP

PLAN LEGEND

FLASHBOARD RISER

DITCH FLOW

DISCHARGE POINT WITH GRADE CONTROL MARKER

GENERAL NOTES

FOR ACCURACY.

NEED TO BE VERIFIED FREQUENTLY AGAINST THE PHYSICAL TIDE STAFFS

TIME TIDE READINGS USE PHYSICAL TIDE STAFFS. AUTO GAUGE READINGS

PRELIMINARY (FT) ONLY. AUTO GAUGE TIDES HAVE A DELAY. FOR REAL

DATUM. CLICK EITHER PLOT OR DATA ONLY UNDER UPDATE. UTILIZE

FROM AND TO DATE, STANDARD UNITS, LST/LSD TIME ZONE, AND MLLW

CLICK MORE DATA PULL DOWN MENU AND SELECT WATER LEVELS. SELECT

THE APPROPRIATE STATION ID CAN BE SEARCHED IN SEARCH WINDOW.

https://tidesandcurrents.noaa.gov/map/index.shtml?region=Texas

CURRENTS WEBSITE.

7. AUTO GAUGE TIDE STAFF DATA CAN BE LOCATED ON NOAA TIDE AND

6. NO REFERENCE LINE WILL BE ESTABLISHED BY THE GOVERNMENT.

SPECIFICATIONS.

OBSTRUCTIONS IN THE WORK AREA, AS DESCRIBED IN THE

MOVED. SITE VISIT SHOULD BE MADE TO VERIFY ANY CURRENT

OF THE TIME OF THE WORK, AS THOSE OBSTRUCTIONS MAY HAVE BEEN

OBSTRUCTIONS VISIBLE IN THE IMAGES MAY NOT BE IN THAT LOCATION AS

PROGRAM (NAIP), DATED 2016, UNLESS OTHERWISE NOTED.

5. AERIAL IMAGERY SOURCED FROM THE NATIONAL AGRICULTURE IMAGERY

SLOPES.

4. ALL CHANNEL END SLOPES SHALL BE EQUAL TO ADJACENT CHANNEL SIDE

BE FURNISHED TO THE CONTRACTOR UPON REQUEST IN WRITING.

3. ADDITIONAL CONTROL POINTS AND ALIGNMENT DATA (IF AVAILABLE) WILL

PLANE, NAD83, TEXAS SOUTH-CENTRAL ZONE, U.S. SURVEY FEET.

2. HORIZONTAL DATUM AND DISTANCES ARE REFERENCED TO TEXAS STATE

(MLLW) UNLESS SPECIFIED OTHERWISE.

1. ELEVATIONS ARE REFERENCED TO MEAN LOWER LOW WATER DATUM

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SOLICITATION NO. W912HY20B0027.

AMENDMENT NO. 0002 TO

THIS DRAWING ACCOMPANIES

Galveston District

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(NOT AVAILABLE)

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LOCATION OF FLASH BOARD

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SCALE IN FEET

0 500 1,000 1,500

PLAN

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NOTES

9. SEE LEGEND ON SHEET G-002.

MANNER THAT MINIMIZES IMPACT TO EXISTING MARSH.

8. DREDGED MATERIAL SHALL BE PUMPED IN CONTAINMENT CELLS IN A

NECESSARY DURING PLACEMENT OF MATERIAL.

7. EXISTING CONTAINMENT CELLS SHALL BE MAINTAINED AND REPAIRED AS

POINT.

POINT AND SHALL BE INSTALLED WITHIN 20 FEET FROM THE DISCHARGE

6. ONE (1) GRADE CONTROL MARKER SHALL BE SETUP AT EACH DISCHARGE

NEXT DISCHARGE POINT.

ELEVATION RANGE IS REACHED, CONTRACTOR SHALL MOVE THE PIPE TO

FEET NAVD 88 AT THE CENTER OF EACH DISCHARGE POINT. ONCE TARGET

ELEVATION RANGE OF +1.6 FEET NAVD88 TO A MAXIMUM ELEVATION OF +2.5

5. CONTRACTOR SHALL DISCHARGE DREDGED MATERIAL TO A TARGET

INSTALLED AS SPECIFIED IN THE SPECIFICATIONS.

4. PRE-FABRICATED FLASH BOARD RISER STRUCTURES SHALL BE

WORK SHALL BE CONSTRUCTED AS SPECIFIED IN THE SPECIFICATIONS.

3. EXISTING PERIMETER BERM RAISING WORK AND NEW PERIMETER BERM

PLANE, NAD83, TEXAS SOUTH-CENTRAL ZONE, U.S. SURVEY FEET.

2. HORIZONTAL DATUM AND DISTANCES ARE REFERENCED TO TEXAS STATE

OF 1988 (NAVD88) USING GEOID12B.

1. ELEVATIONS ARE REFERENCED TO NORTH AMERICAN VERTICAL DATUM

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SOLICITATION NO. W912HY20B0027.

Galveston District

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W912HY20B0000

SOLICITATION NO.:

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ELEV. +2.5'

ELEV. +2.3'

ELEV. +1.8'

ELEV. +1.6'

MOUND ALIGNMENT POINT'

(SEE NOTE 3)

ORANGE COLLARS

(ELEV. VARIES)

EXISTING GRADE

APPROXIMATE

(M

I N

(ELEV. VARIES)

EXISTING GRADE

APPROXIMATE

TYPICAL DETAIL - GRADE CONTROL MARKER

SCALE: NOT TO SCALE

TYPICAL SECTION

PERIMETER BERM

SCALE IN FEET

PLAN

1 2 3

3FT

FOR MARSH MOUND)

ELEV. +3.5' (TOP OF MARKER

ELEV. +2.2'

APPROX.

GRADE CONTROL MARKER

MIN. ELEV. +3.5'

HOURS TO ENSURE DREDGED MATERIAL DOES NOT EXCEED ELEVATION OF +2.5 FT NAVD88.

4- CONTROL MARKERS SHALL BE MONITORED A MINIMUM OF ONCE EVERY FOUR (4)

3- PAINTED RINGS AND/OR TAPE SHALL NOT BE SUBSITUTED FOR COLLARS.

2- COLLARS SHALL NOT BE FLUSH WITH PVC PIPE.

1- COLLARS ON GRADE MARKERS SHALL HAVE A MINIMUM THICKNESS OF 1/4".

NOTES:

1- THE CONTRACTOR SHALL CONSRUCT THE BERM SLOPES TO ANGLE OF REPOSE.

NOTES:

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SOLICITATION NO. W912HY20B0027.