W912ES18T0074_Attachments.pdf

LOCK 7 ROCK SUPPLY CONTRACT

W912ES‐18‐T‐0074

TABLE OF CONTENTS

PARAGRAPH DESCRIPTION

PART 1 GENERAL

1.1 SCOPE

1.2 APPLICABLE PUBLICATIONS

1.3 SUBMITTALS

1.4 MEASUREMENT AND PAYMENT

1.5 LIST OF ATTACHMENTS

PART 2 PRODUCTS

2.1 MATERIALS

2.2 SOURCES AND EVALUATION

2.3 TESTS FOR ACCEPTABILITY

2.4 RIPRAP GRADATION TESTING

PART 3 EXECUTION

3.1 SCHEDULE

3.2 COORDINATION

3.3 DELIVERY LOCATION

3.4 DELIVERY AND BARGE LOADING

3.5 QUALITY CONTROL

3.6 SAFETY

1. GENERAL.

1.1 SCOPE. The Contractor shall provide all plant labor and material necessary to furnish and deliver riprap to Lock and Dam 7 located on the right bank (when looking downstream) of the Upper

Mississippi River approximately 3 miles upstream of La Crescent, Minnesota.

1.2 APPLICABLE PUBLICATIONS. The publications listed below form a part of this scope of work to the extent referenced. The publications are referred to in the text by basic designation only.

U.S. Army Corps of Engineers, Engineer Manual (EM).

EM 385‐1‐1 Safety and Health Requirements Manual, (30 November 2014).

1.3 SUBMITTALS

1.3.1 General. The Contractor shall submit the following as required. Approval of submittals will not relieve the Contractor of responsibility to furnish materials as required. In order to make the submittal process as efficient as possible, the Contracting Officer may give verbal responses to a submittal followed by the written response at a later date. In this case, the submittal response date will be the date that the verbal response was given.

a. Material Source as specified in PARAGRAPH: 2.2 Sources and Evaluation

b. Method of Processing Riprap as specified in PARAGRAPH: 2.1.5 Riprap Gradation

Processing

c. Gradation Test Results as specified in PARAGRAPH: 2.4 Riprap Gradation Testing

d. Weighing Operations as specified in PARAGRAPH: 1.4 Measurement

e. Delivery Tickets as specified in PARAGRAPH: 1.4.1.1 Weighing Operations

f. Scale Accuracy Certification as specified in PARAGRAPH: 1.4.1 Measurement

g. Daily Delivery Report as specified in PARAGRAPH: 1.4 Measurement

1.3.2 Submission of Submittals. Submittals shall be submitted in ample time to secure approval prior to the time the items covered are to be delivered to the site. ENG Form 4025

(Attachment 5) shall be used for the transmittal of submittals. One electronic copy of all submittals shall be provided. Hard copies of submittals are generally not required unless specifically noted. The Government will require at least ten working days to review a submittal.

1.3.3 Submittal Control. Within 7 calendar days after contract award date, the Contractor shall submit to the Contracting Officer for review and approval, a submittal control document

(ENG Form 4288‐R) in electronic format listing and scheduling all items required to be furnished for review by the Government. A blank submittal register is included in

Attachment 3. Primary responsibility for submittals shall rest with the Contractor. The

Contractor shall furnish submittals for all deviations from the specifications.

1.4 MEASUREMENT AND PAYMENT.

1.4.1 Measurement. Riprap shall be weighed on an accurate, approved scale furnished or made available by the Contractor. Before being approved for use, the scale shall have been tested by the applicable State’s Department of Weights and Measures or by a reliable scale servicing company so as to operate within a degree of error not greater than 1 percent and to be sensitive to a change in load of 1/5 of 1 percent, both percentages being based on the total required weight of material normally weighed as a unit on the scale. The Contractor shall submit the certification document from the appropriate state’s Department of Weights and Measures or scale servicing company that the proposed scale complies with the requirements listed above. Scales shall be spot checked for accuracy and sensitivity as often as directed by the Contracting Officer during stone delivery. When materials are weighed in hauling vehicles, gross weights shall be checked and the vehicle tare weight determined as often as the Contracting Officer directs. The Contractor shall furnish such weights, accessories, and assistance as the Contracting Officer may require for conducting weighing equipment tests.

1.4.1.1 Weighing Operations. Weighing operations shall be performed, as approved, in the presence of the Contracting Officer, unless waived. Each load shall be accompanied by duplicate copies of delivery tickets certified by the weighmaster. As a minimum, each ticket shall contain the following information:

a. Date and Time.

b. Vehicle Number.

c. Gross Weight.

d. Vehicle Tare Weight.

e. Net Weight of Riprap.

f. Material weighed (Description of Load Contents).

g. Signature of Weighmaster.

The Government will collect a copy of the delivery ticket from each truck as it arrives on site.

The Contractor shall submit a daily report detailing the number of trucks that made deliveries to the site as well as an overall quantity of material delivered to the site that day.

All daily reports shall be submitted no later than 24 hours after the report period end date and time.

1.4.1.1.1 A plan indicating the location and proposed schedule of weighing operations shall be submitted for approval in accordance with PARAGRAPH: 1.3 Submittals.

1.4.2 Payment. Riprap material shall be measured and paid for by the ton (2,000 pounds avoirdupois) of acceptable material delivered as specified to the designated delivery site.

1.5 LIST OF ATTACHMENTS:

1 – USGS La Crescent MN 7.5 Minute Quadrangle

2 – Approved Material Source(s)

3 – Blank Submittal Register

4a – Gradation Curves

4b – Gradation Worksheet Method A

4c – Gradation Worksheet Method B

5 – 4025

6 – Sample Submittal Register

2. PRODUCTS.

2.1 MATERIALS.

2.1.1 General. Riprap material shall be durable quarried stone of suitable quality to ensure permanence in the Upper Mississippi River environment. Stone shall be free from cracks, seams and other defects that would unduly increase its deterioration from natural causes. A crack is considered to be detrimental if it is more than four (4) mils wide and is continuous for one‐third the dimension of at least two sides of the stone.

2.1.2 Specific Gravity. All Stone shall have a specific gravity of not less than 2.55 and not more than 2.75.

2.1.3 Riprap Shape. Neither the breadth nor thickness of any individual stone shall be less than one‐third its length.

2.1.4 Riprap Gradation. Riprap shall be reasonably well graded within the specified limits shown on the riprap gradation curve contained in Attachment 4 to permit construction of relatively dense riprap sections. Inclusion of objectionable quantities of dirt, sand, clay, rock fines, or other deleterious materials will not be allowed or measured for payment.

2.1.5 Riprap Gradation Processing. On the same date the Contractor provides the submittal for material sources, the Contractor shall also submit for approval the method of processing riprap at the quarry that will preclude the inclusion of objectionable amounts of fine material and organic matter. All riprap shall be processed in accordance with the approved method. Quarry‐run riprap material will not be accepted. All rock designated for use as riprap shall be processed over a vibratory grizzly or by an approved method to insure the exclusion of poor quality rock.

2.2 SOURCES AND EVALUATION.

2.2.1 Approved material sources are provided in Attachment 2. The Contractor may elect to furnish rock from another source(s) not listed in Attachment 2, provided the source is approved by the Contracting Officer and meets the conditions hereinafter stated. If the

Contractor proposes to furnish materials from a source not listed, the Government

Geologist will make such investigations and evaluations as necessary to determine whether or not materials meeting the requirements of this contract can be produced from the proposed source. The Contractor shall be responsible for making its own investigations for sources of suitable materials and for making its own arrangements with the owners of the quarries or land for procuring the required quantities of suitable materials.

2.2.1.1 Within 7 calendar days after award of the contract, the Contractor shall designate and submit for approval only one source or combination of sources from which it proposes to furnish the materials specified. If the Contractor proposes to furnish materials from a source or from sources not listed in Attachment 2, it may designate only a single source or a single combination of sources from which to furnish the material specified. Samples for acceptability testing shall be provided as required by the PARAGRAPH: 2.3 Tests for

Acceptability. If a source for materials so designated by the Contractor is not approved for use by the Contacting Officer, the Contractor shall not submit for approval other sources but shall furnish the materials from approved sources selected from the list in Attachment 2, at no additional cost to the Government.

2.2.1.2 Approval of a source of material is not to be construed as approval of all material from that source. The right is reserved by the Government to reject materials from certain localized areas, zones, strata, or channels when such material are unsuitable as determined by the

Government Geologist. Materials produced from an approved source shall meet all of the requirements of this specification.

2.2.2 No riprap material shall be used from any river facing bluffs that are visible from the

Mississippi River.

2.3 TESTS FOR ACCEPTABILITY OF ALTERNATIVE SOURCE MATERIAL.

2.3.1 Quality tests and service records will be used to determine the acceptability of stone materials. In the event suitable test reports and satisfactory service records are not available, as in the case of newly operated sources, the materials will be tested to determine acceptability. Tests to which the materials may be subjected to include petrographic analysis, specific gravity, soundness, abrasion, absorption, freezing and thawing, and other tests considered necessary to demonstrate acceptability. Tests will be made by, or under the supervision of, the Government and at the Government’s expense.

2.3.2 Samples. When directed by the Contracting Officer, suitable samples of materials shall be submitted for approval prior to delivery of materials to the work site. Samples shall be obtained by the Contractor, in the presence of the Contracting Officer or its designated representative, and delivered at the Contractor’s expense to a point designated by the

Contracting Officer, at least 15 days in advance of the date that the material is required to be delivered.

2.4 RIPRAP GRADATION TESTING.

2.4.1 General Requirements. Gradation tests shall be performed by the methods and frequency listed below. Testing listed herein shall be completed by and at the expense of the

Contractor. Gradation testing results shall be submitted utilizing the gradation plots for the required riprap gradation and the WORKSHEET FOR GRADATION ANALYSIS OF RIPRAP

(gradation plots and blank copies of the worksheet are included in the attachments section).

The Contracting Officer shall direct the time and location of sampling, unless waived. The

Contracting Officer shall be informed a minimum of 24 hours before each test is to be performed. The results of all tests, including failing tests shall be submitted on the appropriate gradation plots and worksheets. The Contracting Officer shall be informed immediately of test results and draft copies of test results shall be submitted at the

Contracting Officers request. Tests performed on material that does not meet gradation and shape requirements will not be counted as part of the tests required.

2.4.2 Test Method A. Test method A shall consist of weighing all stones larger than 5 pounds in a sample. Five to seven weight classes shall be selected within the range of stone sizes. Each stone shall be weighed and recorded on the worksheet for method A. The weight of stones shall be summed for each weight class; after which calculations and a plot of the gradation shall be completed in accordance with accepted practice for soil and aggregate gradations.

2.4.3 Test Method B. Test method B shall consist of separating the stones into 5 to 7 piles, ordered by size. The sample shall be separated on a clean, hard surface that is free of smaller stones that could become mixed with the sample. The stones shall be visually screened to place them into appropriate piles. All stones shall be separated and placed into a pile before weighing. After separating, the smallest and the largest rock in each pile shall be weighed and recorded. The stones shall be adjusted as necessary so that the weight classes do not overlap. After adjustment is adequate and weight classes have been established, each pile of stone shall be weighed and recorded on the worksheet for method

B. Calculations and a plot of the gradation shall be completed in accordance with accepted practice for soil and aggregate gradations.

2.4.4 Scales. Accuracy of scales shall be as required in PARAGRAPH: 1.4.1 Measurement.

2.4.5 Testing. A sample shall be obtained from each approved material source or combination of sources for each gradation required and tested in accordance with either method A or B. A satisfactory test shall be obtained from each source or combination of sources for each gradation prior to hauling any riprap from that quarry. Each sample shall have a minimum gross weight of not less than 25 times the maximum stone size in the specified gradation

(25∙W100).

2.4.6 Testing Frequency. Gradation tests will be required at a frequency of 1 per 5,000 tons of each gradation of material from a specific source that is brought on site, with a minimum of one test per gradation. Tests that do not meet gradation requirements will not be counted.

2.4.7 Corrective Action. If materials fail to meet gradation or shape requirements, the Contractor shall adjust its operations and verify with necessary tests that acceptable materials are being produced, or it shall propose another source and verify, with necessary tests, that acceptable material can be produced from that source.

3. EXECUTION.

3.1 SCHEDULE. The Contracting Officer will notify the Contractor 15 calendar days in advance of when delivery is to commence. The Contractor shall provide the riprap gradation submittals for approval no later than 7 calendar days prior to delivery of materials to the specified delivery location. It is anticipated that commencement of delivery will occur between the dates of 4

September and 1 December 2018. Delivery shall commence no later than 15 calendar days following notification from the Contracting Officer and shall continue on consecutive work days

(Monday through Thursday) until completed, unless directed otherwise by the Contracting

Officer. The delivery period shall be between the hours of 7:30 a.m. and 5:00 p.m. (local time), Monday through Thursday with the potential for Friday deliveries, unless directed otherwise by the Contracting Officer. No deliveries shall be made on weekends or on Federal holidays.

3.2 COORDINATION. The Contractor shall not block access to the loading docks or access routes at the on‐land delivery sites for extended periods of time and shall coordinate loading access routes and dock use with the following:

Mr. Christopher Stai

Chief, Maintenance and Repair

651.290.5144 (office)

612.790.2675(mobile)

Christopher.J.Stai@usace.army.mil

Michael Gunderson

Foreman/Site Supervisor

651.290.5145 (office)

612.670.2880 (mobile)

Michael.G.Gunderson@usace.army.mil

3.3 DELIVERY LOCATION. All riprap required under this contract shall be delivered to the downstream loading dock at Lock and Dam 7. Lock and Dam 7 is located on the right bank of the Mississippi River in Winona County, Minnesota approximately three miles upstream of La

Crescent, Minnesota. Lock and Dam 7 is located on the USGS La Crescent 7.5 Minute

Quadrangle. This 7.5 minute quadrangle sheet is included as Attachment 1. The center of the loading dock is further specified as the following Military Grid Reference System (MGRS) Grid

Coordinate:

15T XJ 35905 58167

The Lock 7 downstream loading dock is located approximately one half mile upstream from the

U.S. Interstate I‐90 Mississippi River Bridge.

3.4 DELIVERY AND BARGE LOADING. Delivery of riprap by the Contractor shall include placing material directly from the delivery trucks into a stockpile area on site and/or loading directly from the delivery trucks onto U.S. Government‐owned barges. Each barge on which riprap material is to be loaded will have a capacity of 200 tons, with a 20 foot by 85 foot holding area with 2.5 foot high side barriers, with ramps that can be used to drive the delivery trucks directly onto the barges. The barges and access ramps will be maneuvered by Government Personnel.

Government personnel and equipment will stockpile material. The Contractor shall provide all other equipment and personnel needed to place the riprap directly onto the barges, except that no secondary loading or repositioning of riprap will be required after the riprap has been dumped from the delivery trucks. A representative of the Contracting Officer will direct the

Contractor where to unload riprap.

3.4.1 Loading Riprap. Delivery trucks used by the Contractor for loading riprap onto barges or stockpiles shall be straight tandem dump trucks with maximum 18 ton capacity; use of articulated end‐dump trailers, side dump, or belly dump trailers will not be allowed.

3.4.2 Delivery Rate. The riprap material delivery rate will vary between 100 tons and 800 tons per day, as requested by the Contracting Officer’s Representative. The Contractor shall be required to increase or decrease the delivery rate within the above stated delivery rate range on a daily basis until the required quantity of material is met.

3.5 QUALITY CONTROL. The Contractor shall establish and maintain quality control and shall maintain records of the quality control for work under this section to ensure compliance with contract requirements. A copy of inspections and tests, as well as corrective actions taken, shall be furnished to the Government.

3.6 SAFETY. The Contractor shall comply with all state and Federal OSHA requirements as well as all pertinent provisions of the latest version of the U.S. Army Corps of Engineers Safety and Health

Requirements Manual, EM 385‐1‐1. If a conflict exists between the guidance provided between the sources listed above, the Contractor shall follow the most stringent standard given.

ATTACHMENTS

Attachment 1 – USGS La Crescent, Minnesota 7.5 Quadrangle Sheet

Attachment 2 – Material Sources

Attachment 3 – Blank Submittal Register (ENG Form 4288‐R)

Attachment 4 – Gradation Forms:

R270 Riprap Gradation Curve

Riprap Gradation Analysis Worksheet, Method A

Riprap Gradation Analysis Worksheet, Method B

Attachment 5 – ENG Form 4025, Submittal Transmittal Form

Attachment 6 – Sample Submittal Register

Attachment 1 – USGS La Crescent 7.5 Minute Quadrangle Sheet

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This map was produced to conform with the National Geospatial Program US Topo Product Standard, 2011.

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Imagery..................................................NAIP, July 2013 Roads................................ U.S. Census Bureau, 2015 - 2016 Names..........................................................GNIS, 2016 Hydrography....................National Hydrography Dataset, 2013 Contours............................National Elevation Dataset, 1999 Boundaries............Multiple sources; see metadata file 1972 - 2016 Public Land Survey System..................................BLM, 2014 Wetlands.........FWS National Wetlands Inventory 1977 - 2014

North American Datum of 1983 (NAD83) World Geodetic System of 1984 (WGS84). Projection and 1 000-meter grid: Universal Transverse Mercator, Zone 15T

Produced by the United States Geological Survey

10 000-foot ticks: Minnesota Coordinate System of 1983 (south zone), Wisconsin Coordinate System of 1983 (south zone) This map is not a legal document. Boundaries may be generalized for this map scale. Private lands within government reservations may not be shown. Obtain permission before entering private lands.

North American Datum of 1983 (NAD83) World Geodetic System of 1984 (WGS84). Projection and 1 000-meter grid: Universal Transverse Mercator, Zone 15T

Produced by the United States Geological Survey

10 000-foot ticks: Minnesota Coordinate System of 1983 (south zone), Wisconsin Coordinate System of 1983 (south zone)

This map is not a legal document. Boundaries may be generalized for this map scale. Private lands within government reservations may not be shown. Obtain permission before entering private lands.

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Attachment 2 – Approved Material Sources

Approved Material Sources for Lock 7 Rock Supply

1. The following should be capable of producing acceptable quality riprap for the subject project:

Quarry/Operator Quarry Location

Zogg Quarry SE 1/4, Sec 27, T 14 N, R 7 W The Kraemer Co. Vernon County, WI Plain, WI

(608) 546-2255

Medary Quarry Sec 22, T 16 N, R 7 W Milestone Materials La Crosse County, WI Onalaska, WI

(608) 783-6411

Abnet Quarry Sec. 2, T 104 N, R 5 W LaCrescent Rock Products Houston County, MN La Crescent, MN

(507) 895-4202

Chicken Ridge Quarry SE ¼, Section 22, T 104 N, R 5 W Botcher Construction Co. Houston County, MN Houston, MN

(507) 896-3723

Attachment 3 – Blank Submittal Register (ENG Form 4288‐R)

DESCRIPTION OF

ITEM SUBMITTED

e.

A C T I V I T Y

N O a.

TRANS-

MITTAL

NO.

b.

I T E M

N O c.

SPECIFICATION

PARAGRAPH

NUMBER

d.

TYPE OF SUBMITTAL CLASSI-

FICATION

D A T A f.

D R A W I N G S g.

I N S T R U C T I O N S h.

S C H E D U L E S i.

S T A T E M E N T S j.

R E P O R T S k.

C E R T I F I C A T E S l.

S A M P L E S m.

R E C O R D S n.

O M

M A N U A L S o.

SUBMITTAL REGISTER

(ER 415 1-10)

TITLE AND LOCATION CONTRACTOR

CONTRACT NO.

SPECIFICATION SECTION

I N F O R M A T I O N p.

O N L Y

G O V E R N M E N T q.

A P P R O V E D

R E V I E W E R r.

CONTRACTOR

SCHEDULE DATES

SUBMIT

s.

APPROVAL

NEEDED

BY

t.

MATERIAL

NEEDED

BY

u.

C O D E v.

CONTRACTOR

ACTION

DATE

w.

SUBMIT

TO

GOVERN

MENT

x.

C O D E y.

GOVERNMENT

ACTION

DATE

z.

REMARKS

aa.

ENG FORM 4288-R, JAN 97 EDITION OF MAR 95 IS OBSOLETE. PAGE PAGES (Proponent: O

Attachment 4 – Gradation Forms:

R270 Riprap Gradation Curve

Riprap Gradation Analysis Worksheet, Method A

Riprap Gradation Analysis Worksheet, Method B

ENG FORM 4055 (COMPUTER GENERATED)

110100100010000

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2.65

WEIGHT OF STONES IN POUNDS

(ASSUMING STONE SHAPE MIDWAY BETWEEN A SPHERE AND CUBE)

SPECIFIED GRADATION ASSUMES A SPECIFIC

GRAVITY OF STONE EQUAL TO 2.65

3457 6

PROJECT ___________________________________

AREA ______________________________________

DATE

RIPRAP/ROCKFILL GRADATION CURVE

SIZE OF STONE IN INCHES

SPECIFIC GRAVITY OF STONE = 2.65

MVP Standard Riprap Gradtion

R270

May 2018

WORK SHEET FOR GRADATION ANALYSIS OF RIPRAP

METHOD A

Project Name: Date:

Riprap Type: Test No.

Source, Quarry, or Pit:

Sample Location: Test Made By:

Part 1. Weigh all stones larger than 5 pounds and record.

(1) PASSING WT. 5 lbs.

(2) RETAINED WT. 5 lbs. PAN

(3) ------- -------

(4) TOTALS

Rows (1) & (2) Enter 5 to 7 weight classes to yield approx. 75%, 50%, 30%, and 15% finer points.

Row (3) List weight of each stone. Attach additional sheets if necessary.

Row (4) Add all individual stone weights listed in each column.

Part 2. Summary Table.

(5) WEIGHT CLASSES (6) (7) (8)

PASSING RETAINED TOTAL WEIGHT CUMMULATIVE TOTAL PERCENT

(stone wt. (stone wt. EACH CLASS WEIGHT PASSING PASSING in lbs.) in lbs.) (lbs.) (lbs.) (%)