B09_Sol_Amendment_02_attach_1__Addendum_01_Specifications_0002.pdf

600 E. Michigan Avenue, Suite B Kalamazoo, MI 49007

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ADDENDUM NO. 1

Project: REPAIR AND REHABILITATE CONATE PICNIC ROAD PMIS 227786- REPAIR CONTRACT

REPAIR AND REHABILITATE CONATE PICNIC ROAD PMIS 227786- NEW CONSTRUCTION

Date: April 12, 2024

Notice: This Addendum is issued by the Engineer & Architect to all known individuals, firms, or corporations who have obtained or received bidding documents and contract documents for the above-listed project. This Addendum is hereby made a portion of bidding documents or contract documents, as appropriate. It is issued for the purpose of amplifying, clarifying, or correcting originally issued bid documents. Bidders are required to acknowledge receipt of this Addendum in the appropriate space on the bid form.

CIVIL

A. SPECIFICATION ITEMS

1. Specification Section 31 23 23 Fill (Reissued):

a. Revised 2.01- Fill Materials adding Item A.1

b. Revised 3.02 Preparation-

1) Modified A to be 8 inches instead of 6 inches

2) added items E and F

c. Revised 3.03- Filling- Modified items E.1 and E.2

d. Revised 3.04 Fill at Specific Locations- Modify items B.1, B.2, and B.3

2. Specification Section 32 11 23 Aggregate Base Courses (Reissued):

a. Revised 1.02 Related Requirements item C

b. Revised 2.01 Materials- Item A Change “260” to “882”

c. Revised 3.03 Installation-Item A. change “Portland Cement” to “Asphalt”

3. Specification Section 32 12 16 Asphalt Paving (Reissued):

a. Revised 2.02 Asphalt Paving Mixes and Mix Design- update A with addition of “Type 1” mix.

b. Revised 2.02 Asphalt Paving Mixes and Mix Design- update B with addition of “Type 2” mix.

c. Add item 2.02.D to list allowable performance grade binders.

d. Revised 3.02 Preparation – Primer- replace “primer” in A and B with “Asphalt Prime Coat” and modify application rate to 0.2 gal/sq yd

e. Revised 3.03 Preparation – Tack Coat- included “Asphalt” in front of “tack Coat” in A and B, and modify application rate to 0.1 gal/sq yd

f. Revised 3.04 Placing Asphalt Paving- Double Course- modify “binder” and “wearing” with

“concrete”

4. Specification Section 31 05 19 Geosynthetics for Earthwork (Reissued):

a. Specification has been modified.

B. DRAWING ITEMS

1. Drawing Repair and Rehabilitate Conata Picnic Road - Repair Contract (Reissued):

PMIS 227786 NPS BADL | Page 2

a. Sheet C4, C5 & C6- Revise note #7

b. Sheet C20- Revise Typical Pavement Section

c. Sheet C23- Revise notes on all sections for Asphalt Concrete

2. Drawing Repair and Rehabilitate Conata Picnic Road- New Construction (Reissued):

a. Sheet C5- Revise Typical Pavement Section

C. COST ESTIMATE

1. The (IGCE) cost estimate has been updated with unit price and quantity for the specified geogrid fabric.

End of Addendum No. 1

JWW/jc P:\2022 Projects\222024 NPS Badlands National Park Picnic Area Rehabilitation\05_Deliverables\06_Addendum 1\_staging\ADDENDUM NO1 -JC.docx

REHABILITATE CONATA PICNIC ROAD AND AREA

FOR INCREASED VISITOR ACCESSIBILITY AND EDUCATION

BADL - BADLANDS NATIONAL PARK

PMIS 227786

31 23 23 - 1

FILL

SECTION 31 23 23

FILL

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Filling, backfilling, and compacting for building volume below grade, footings, slabs-on-grade, paving, and utilities within the building.

B. Backfilling and compacting for utilities outside the building to utility main connections.

1.02 RELATED REQUIREMENTS

A. Document Report of Geotechnical Exploration- Conata Picnic Area Reconstruction by American Engineering Testing dated September 12, 2022 : Geotechnical report; bore hole locations and findings of subsurface materials.

B. Section 03 30 00 - Cast-in-Place Concrete.

C. Section 31 05 19 - Geosynthetics for Earthwork.

D. Section 31 22 00 - Grading: Removal and handling of soil to be re-used.

E. Section 31 23 16 - Excavation: Removal and handling of soil to be re-used.

F. Section 31 37 00 - Riprap.

1.03 REFERENCE STANDARDS

A. ASTM D6938 - Standard Test Methods for In-Place Density and Water Content of Soil and Soil- Aggregate by Nuclear Methods (Shallow Depth); 2023.

1.04 SUBMITTALS

A. Compaction Density Test Reports.

1.05 QUALITY ASSURANCE

A. Testing Agency Qualifications: Independent firm specializing in performing testing and inspections of the type specified in this section.

PART 2 PRODUCTS

2.01 FILL MATERIALS

A. Structural Fill - Fill Type as specified on plans and complying with State of South Dakota Standard Specifications for Road and Bridge Construction standards. : Subsoil excavated on-site .

1. Free of deleterious or frozen material, and construction debris, and have a maximum aggregate size of 2 inches

2.02 SOURCE QUALITY CONTROL

A. See Section 01 40 00 - Quality Requirements, for general requirements for testing and analysis of soil material.

B. If tests indicate materials do not meet specified requirements, change material and retest.

PART 3 EXECUTION

3.01 EXAMINATION

A. Identify required lines, levels, contours, and datum locations.

B. Verify areas to be filled are not compromised with surface or ground water.

3.02 PREPARATION

A. Scarify and proof roll subgrade surface to a depth of 8 inches (203 mm) to identify soft spots.

B. Cut out soft areas of subgrade not capable of compaction in place. Backfill with granular fill .

C. Compact subgrade to density equal to or greater than requirements for subsequent fill material.

D. Until ready to fill, maintain excavations and prevent loose soil from falling into excavation.

Addendum No. 1

BADL - BADLANDS NATIONAL PARK

PMIS 227786

31 23 23 - 2

FILL

E. Moisture content adjusted to -1 to +3% of optimum.

F. Compacted to 95% of maximum dry density

3.03 FILLING

A. Fill to contours and elevations indicated using unfrozen materials.

B. Employ a placement method that does not disturb or damage other work.

C. Systematically fill to allow maximum time for natural settlement. Do not fill over porous, wet, frozen or spongy subgrade surfaces.

D. Cohesive (clay) backfill should be moisture conditions to within -1 to +3% of optimum moisture content prior to being placed. Where utilized, relatively cohesionless (sand and gravel) backfill should be moisture conditions to within +/- 3% prior to placement.

E. Compaction Density Unless Otherwise Specified or Indicated:

1. Under paving, slabs-on-grade, and similar construction: 95 percent of maximum dry densityas determined by ASTM D698.

2. At areas outside of paving : 92 percent of maximum dry density.

3. Compaction density tests should be performed on alternating lifts.

F. Reshape and re-compact fills subjected to vehicular traffic.

G. Maintain temporary means and methods, as required, to remove all water while fill is being placed as required, or until directed by the Contracting Officer. Remove and replace soils deemed unsuitable by classification and which are excessively moist due to lack of dewatering or surface water control.

3.04 FILL AT SPECIFIC LOCATIONS

A. Use general fill unless otherwise specified or indicated.

B. Structural Fill at group picnic shelter :

1. Use aggregate fill with a maximum aggregate size of 2 inches, 40-85% passing the #4 sieve and no more than 12% passing the #200 sieve with a liquid limit less than 25.

2. Maximum depth per lift: 8 inches (200 mm) , compacted.

3. Compact to minimum 95 percent of maximum proctor dry density, and the final lift of backfill compacted to at least 98% of the maximum dry density.

3.05 CLEANING

A. Remove unused stockpiled materials, leave area in a clean and neat condition. Grade stockpile area to prevent standing surface water.

B. Leave borrow areas in a clean and neat condition. Grade to prevent standing surface water.

END OF SECTION

BADL - BADLANDS NATIONAL PARK

PMIS 227786

32 11 23 - 1

AGGREGATE BASE COURSES

SECTION 32 11 23

AGGREGATE BASE COURSES

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Aggregate base course.

B. Paving aggregates.

1.02 RELATED REQUIREMENTS

A. Section 31 22 00 - Grading: Preparation of site for base course.

B. Section 31 23 23 - Fill: Topsoil fill at areas adjacent to aggregate base course.

C. Section 32 12 16 - Asphalt Paving: Finish and binder asphalt courses.

D. Section 32 13 13 - Concrete Paving: Finish concrete surface course.

PART 2 PRODUCTS

2.01 MATERIALS

A. Coarse Aggregate: Coarse aggregate, complying with Section 882 State of South Dakota Highway Department standard.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify substrate has been inspected, gradients and elevations are correct, and is dry.

3.02 PREPARATION

A. Correct irregularities in substrate gradient and elevation by scarifying, reshaping, and re-compacting.

B. Do not place aggregate on soft, muddy, or frozen surfaces.

3.03 INSTALLATION

A. Under asphalt concrete paving: :

1. Place aggregate to a total compacted thickness as specified on plan

2. Compact to 95 percent of maximum dry density.

B. Place aggregate in maximum 4 inch (100 mm) layers and roller compact to specified density.

C. Level and contour surfaces to elevations and gradients indicated.

D. Use mechanical tamping equipment in areas inaccessible to compaction equipment.

3.04 FIELD QUALITY CONTROL

A. See Section 01 40 00 - Quality Requirements for general requirements for field inspection and testing.

B. Proof roll compacted aggregate at surfaces that will be under slabs-on-grade and paving .

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BADL - BADLANDS NATIONAL PARK

PMIS 227786

32 12 16 - 1

ASPHALT PAVING

SECTION 32 12 16

ASPHALT PAVING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Double course bituminous concrete paving.

1.02 RELATED REQUIREMENTS

A. Section 31 22 00 - Grading: Preparation of site for paving and base.

B. Section 31 23 23 - Fill: Compacted subgrade for paving.

C. Section 32 11 23 - Aggregate Base Courses: Aggregate base course.

D. Section 32 13 13 - Concrete Paving: Concrete curbs.

E. Section 32 17 23 - Pavement Markings.

1.03 QUALITY ASSURANCE

A. Perform Work in accordance with State of South Dakota Highways standard .

1.04 FIELD CONDITIONS

A. Do not place asphalt when ambient air or base surface temperature is less than 40 degrees F (4 degrees C), or surface is wet or frozen.

PART 2 PRODUCTS

2.01 MATERIALS

2.02 ASPHALT PAVING MIXES AND MIX DESIGN

A. Asphalt Concrete: State of South Dakota Highways standards, Section 321 Class E, Type 1.

B. Asphalt Concrete: State of South Dakota Highways standards, Section 321 Class E, Type 2

C. Submit proposed mix design of each class of mix for review prior to beginning of work.

D. Allowable performance grade binders are PG 64-22, PG 64-28, PG 58-34, and PG 64-34

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify that compacted subgrade is dry and ready to support paving and imposed loads.

B. Verify gradients and elevations of base are correct.

3.02 PREPARATION - PRIMER

A. Apply asphalt prime coat in accordance with State of South Dakota Highways standards, Section 330.

B. Apply asphalt prime coat on aggregate base or subbase at uniform rate of 0.2 gal/sq yd .

C. Use clean sand to blot excess primer.

3.03 PREPARATION - TACK COAT

A. Apply asphalt tack coat in accordance with State of South Dakota Highways standards Section 330.

B. Apply asphalt tack coat on asphalt or concrete surfaces over subgrade surface at uniform rate of 0.1gal/sq yd.

3.04 PLACING ASPHALT PAVEMENT - DOUBLE COURSE

A. Place Asphalt Concrete Class E, Type 1 within 24 hours of applying primer or tack coat.

B. Place Asphalt Concrete Class E Type 1 to 2 inch compacted thickness (____ mm compacted thickness).

C. Place Asphalt Concrete Class E, Type 2 within two hours of placing and compacting binder course.

BADL - BADLANDS NATIONAL PARK

PMIS 227786

32 12 16 - 2

ASPHALT PAVING

D. Place Asphalt Concrete Class E, Type 2 to 2 inch compacted thickness (____ mm compacted thickness).

E. Compact pavement by rolling to specified density. Do not displace or extrude pavement from position. Hand compact in areas inaccessible to rolling equipment.

F. Perform rolling with consecutive passes to achieve even and smooth finish, without roller marks.

BADL - BADLANDS NATIONAL PARK

PMIS 227786

31 05 19 - 1

GEOSYNTHETICS FOR EARTHWORK

SECTION 31 05 19

GEOSYNTHETICS FOR EARTHWORK

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Geogrid for stabilization.

1.02 RELATED REQUIREMENTS

A. Section 31 10 00 - Site Clearing.

B. Section 31 23 16 - Excavation.

C. Section 31 23 23 - Fill.

1.03 REFERENCE STANDARDS

A. AASHTO M 288 - Standard Specification for Geosynthetic Specification for Highway Applications; 2022.

B. ASTM D4355/D4355M - Standard Test Method for Deterioration of Geotextiles by Exposure to Light, Moisture, and Heat in a Xenon Arc-Type Apparatus; 2021.

C. ASTM D4491/D4491M - Standard Test Methods for Water Permeability of Geotextiles by Permittivity; 2022.

D. ASTM D4595 - Standard Test Method for Tensile Properties of Geotextiles by the Wide-Width Strip Method; 2017.

E. ASTM D4751 - Standard Test Methods for Determining Apparent Opening Size of a Geotextile;

2021a.

F. ASTM D5199 - Standard Test Method for Measuring the Nominal Thickness of Geosynthetics;

2012 (Reapproved 2019).

G. ASTM D6637/D6637M - Standard Test Method for Determining Tensile Properties of Geogrids by the Single or Multi-Rib Tensile Method; 2015.

1.04 FIELD CONDITIONS

A. Follow recommendations of geosynthetic manufacturer.

PART 2 PRODUCTS

2.01 GEOSYNTHETIC

A. Provide geosynthetic in largest size sheets as possible to minimize field joining.

B. Uniform thickness according to ASTM D5199.

C. Resistant to mildew, chemicals in soil, stable under freeze-thaw cycles, will not shrink or expand under wet conditions, and will not unravel or become clogged during use.

2.02 GEOGRID

A. General:

1. Material: Polyethylene consisting of 5 percent maximum regrind and free of contaminants.

2. Tensile Strength at 2 percent Strain: 600 lb/ft ( 8.8 kN/m, minimum, when tested in accordance with ASTM D4595.

3. Tensile Strength at 5 percent Strain: 1,800 lb/ft ( 26.3 kN/m, minimum, when tested in accordance with ASTM D4595.

4. Cyclic Tensile Modulus @ 2% Permanent Strain of >=54,406 lbs/ft per ASTM D7556.

5. Average Dynamic Filtration Pore Size of 195 microns (m) for O50, 245 m for O60, 328 m per O85, and 392 m for O95 per ASTM D6767

6. Base Course Improvement Factor of 1.3 per AASHTO R50-09

7. Permittivity of 0.9 sec(-1)(minimum average roll value) per ASTM D4491

8. Hydraulic Flow Rate of 75 gal/min/sq ft (minimum average roll value) per ASTM D4491

9. Apparent Opening Size of 40 (maximum roll value) U.S. Sieve per ASTM D4751

10. UV Resistance (at 500 hours) of90% strength retained per ASTM D4355.

BADL - BADLANDS NATIONAL PARK

PMIS 227786

31 05 19 - 2

GEOSYNTHETICS FOR EARTHWORK

PART 3 EXECUTION

3.01 PREPARATION

A. Remove vegetation, boulders, and rocks larger than 3/4 inch (20 mm) in size and other sharp objects in accordance with Section 31 10 00.

B. Remove unsuitable materials in accordance with Section 31 23 16.

C. Fill in holes, including stake holes, backfill, and fill in accordance with Section 31 23 23.

D. Compact smooth as indicated on drawings in accordance with Section 31 23 23.

PST

18" Deciduous Tree

A A

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D

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KEY MAP

68 E Michigan Ave.

Battle Creek, MI 49017 P: 269.224.3182 wbkengineering.com

600 E. Michigan Ave., Suite B Kalamazoo, MI 49007 P: 269.927.0144 www.7GenAE.com

ARCHITECTURE + ENGINEERING

SEVEN

GENERATIONS

DATE

SEAL

ENGINEER

JUSTIAN CRANE, P.E.

SOUTH DAKOTA REGISTRATION NO.: 13678

EXPIRATION DATE: 01/31/2026

THESE PLANS OR ANY PART THEREOF SHALL BE CONSIDERED VOID WITHOUT

THE SIGNATURE, SEAL, AND EXPIRATION DATE OF SEAL OF THE ENGINEER

Addendum No. 1 - 4/12/24

PST

PST

18" Deciduous Tree

A A

U

PD

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ED

: 4 /3

/2

- B

D

EV

R

IE

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KEY MAP

68 E Michigan Ave.

Battle Creek, MI 49017 P: 269.224.3182 wbkengineering.com

600 E. Michigan Ave., Suite B Kalamazoo, MI 49007 P: 269.927.0144 www.7GenAE.com

ARCHITECTURE + ENGINEERING

SEVEN

GENERATIONS

DATE

SEAL

ENGINEER

JUSTIAN CRANE, P.E.

SOUTH DAKOTA REGISTRATION NO.: 13678

EXPIRATION DATE: 01/31/2026

THESE PLANS OR ANY PART THEREOF SHALL BE CONSIDERED VOID WITHOUT

A A

PST

18" Deciduous Tree

A A

U

PD

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ED

: 4 /3

/2

- B

D

EV

R

IE

S

KEY MAP

68 E Michigan Ave.

Battle Creek, MI 49017 P: 269.224.3182 wbkengineering.com

600 E. Michigan Ave., Suite B Kalamazoo, MI 49007 P: 269.927.0144 www.7GenAE.com

ARCHITECTURE + ENGINEERING

SEVEN

GENERATIONS

DATE

SEAL

ENGINEER

JUSTIAN CRANE, P.E.

SOUTH DAKOTA REGISTRATION NO.: 13678

EXPIRATION DATE: 01/31/2026

THESE PLANS OR ANY PART THEREOF SHALL BE CONSIDERED VOID WITHOUT

U

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: 4 /4

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ACCESSIBLE STALL SYMBOL

AND LOCATION DETAIL

METAL AND CONCRETE PIPE

N.T.S.

STORM UNDER PAVEMENT

TYPICAL PAVEMENT SECTION

ACCESSIBLE STALL AND

REGULATORY SIGN POST MOUNTING

ACCESSIBLE STALL PARKING SIGN

68 E Michigan Ave.

Battle Creek, MI 49017 P: 269.224.3182 wbkengineering.com

CONCRETE WASHOUT DETAIL

PICNIC TABLE FOUNDATION DETAIL

N.T.S.

Pipe L(ft) W(ft) d(in) D50 (in) Class 1 18" Ellipt 14 18 18 5 A

2 24" Dia 16 26 18 5 A

3 24" Ellipt. 16 26 18 5 A

Curb Runout

Sta 16+79, 35' L 2 8 12 5 A

600 E. Michigan Ave., Suite B Kalamazoo, MI 49007 P: 269.927.0144 www.7GenAE.com

ARCHITECTURE + ENGINEERING

SEVEN

GENERATIONS

DATE

SEAL

ENGINEER

JUSTIAN CRANE, P.E.

SOUTH DAKOTA REGISTRATION NO.: 13678

EXPIRATION DATE: 01/31/2026

THESE PLANS OR ANY PART THEREOF SHALL BE CONSIDERED VOID WITHOUT

AT

ED

: 4 /4

/2

- J

W

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TYPICAL PROPOSED ROAD SECTION

N.T.S.

PROPOSED ROAD SECTION STA 12+54 - STA 16+27

N.T.S.

PROPOSED ROAD SECTION STA 16+75 - STA 17+56

N.T.S.

PROPOSED ROAD SECTION STA 19+00 - STA 19+95

N.T.S.

PROPOSED ROAD SECTION STA 19+95 - STA 21+39

N.T.S.

10+82-12+54, 16+27-16+75, 17+51-18+85

68 E Michigan Ave.

Battle Creek, MI 49017 P: 269.224.3182 wbkengineering.com

600 E. Michigan Ave., Suite B Kalamazoo, MI 49007 P: 269.927.0144 www.7GenAE.com

ARCHITECTURE + ENGINEERING

SEVEN

GENERATIONS

DATE

SEAL

ENGINEER

JUSTIAN CRANE, P.E.

SOUTH DAKOTA REGISTRATION NO.: 13678

EXPIRATION DATE: 01/31/2026

THESE PLANS OR ANY PART THEREOF SHALL BE CONSIDERED VOID WITHOUT

AT

ED

: 4 /4

/2

- J

W

IT

TE

ACCESSIBLE STALL SYMBOL

AND LOCATION DETAIL

ACCESSIBLE STALL AND

REGULATORY SIGN POST MOUNTING

ACCESSIBLE STALL PARKING SIGN

68 E Michigan Ave.

Battle Creek, MI 49017 P: 269.224.3182 wbkengineering.com

600 E. Michigan Ave., Suite B Kalamazoo, MI 49007 P: 269.927.0144 www.7GenAE.com

Loc L(ft) W(ft) d(in) D50 (in) Class South 4.42 1 12 2 A

North 3.0 1 12 2 A

ARCHITECTURE + ENGINEERING

SEVEN

GENERATIONS

CURB AND GUTTER DETAIL

N.T.S.

TYPICAL PAVEMENT SECTION

DATE

SEAL

ENGINEER

JUSTIAN CRANE, P.E.

SOUTH DAKOTA REGISTRATION NO.: 13678

EXPIRATION DATE: 01/31/2026

THESE PLANS OR ANY PART THEREOF SHALL BE CONSIDERED VOID WITHOUT