Specification_31_00_00.10_Amendment_03.pdf

FY15 Pike River Aquatic River Restoration, WI FY15PIKERIVER Amendment 0003

SECTION TABLE OF CONTENTS

DIVISION 31 - EARTHWORK

SECTION 31 00 00.10

SPECIAL PROVISIONS - ECOSYTEM RESTORATION

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PART 1 GENERAL

1.1 DEFINITION OF WORK

1.1.1 Plans

1.1.2 Plans/Specifications at Project Site

1.2 Specifications

1.2.1 Utility Construction

1.2.2 Other Construction

1.2.3 In the event of a discrepancy between these "Special

Provisions" and either the "Standard Specifications" or the "State Specifications", these "Special Provisions" shall govern.

1.2.4 Copies of the "Standard Specifications for Sewer and Water Construction in Wisconsin", Sixth Edition, may be obtained for $45.00 each, plus $7.50 shipping, upon request to:

1.2.5 The "Standard Specifications for Highway and Structure

Construction", Current Edition, may be viewed for free via the internet at the following website:

1.2.6 Hard copies or CDs of the "Standard Specifications for Highway and Structure Construction," Current Edition, may be ordered from WisDOT by downloading their order form available at the following website:

1.3 Spill Prevention and Response Procedures

1.4 Staking Line and Grade

1.5 Work Schedule

1.5.1 Construction Working Hours

1.5.1.1 The Contractor may only work within the times noted below unless otherwise approved by the COR. These hours only apply to Contractor's operations that create noise levels that could negatively affect adjacent properties.

1.6 SUBMITTALS

PART 2 PERMITS AND EASEMENTS

2.1 Permits and Approvals

2.2 DNR Well Permits

2.2.1 The Contractor shall obtain well permits from the Department of

Natural Resources if dewatering wells will be installed or operated for which the single or aggregate capacity will be in excess of 70 gallons per minute. Permits must be obtained before well construction can begin.

2.2.2 The DNR's address for well permits is as follows:

2.2.3 Permit requirements:

2.3 Contractor is responsible for obtaining all necessary off-site disposal permits.

2.4 Water Supply for Construction Purposes

2.5 Easements and Construction License Agreements (Permits)

SECTION 31 00 00.10 Page 1

2.6 Soil Boring Permit/Approval.

2.6.1 Contractors shall obtain permission from the COR prior to performing subsurface investigations. Street opening or highway permits may be required for taking soil borings within streets or highways maintained by Town, County or State highway departments.

2.6.2 The Contractor is reminded to contact all utilities, as well as Diggers Hotline, before performing soil boring work.

2.6.3 Soil borings shall not be taken within existing pavement or shoulder areas without the COR's prior permission. All boring holes shall be completely filled after the work has been completed.

2.6.4 Borehole/Drillhole Abandonment

PART 3 NOTIFICATION OF UTILITIES

3.1 Utility Location and Coordination

3.2 Utility Protection

3.3 Utility Contacts

PART 4 SUBSURFACE SOIL INVESTIGATION DATA

4.1 [Enter Appropriate Subpart Title Here]

WARNING: Text in tags exceeds the maximum length of 300 characters

4.2 Soil Boring Accuracy

PART 5 NOTIFICATION OF FISH HABITAT AND SEEDING WORK

5.1 Prior to installing each type of fish habitat structure, including stone riffles, log jams, and boulder clusters, the Contractor shall notify the COR at least 72 hours in advance to coordinate construction inspection of these structures.

5.2 Prior to installing each type of fish habitat structure, including stone riffles, log jams, and boulder clusters, the Contractor shall notify the COR at least 72 hours in advance to coordinate construction inspection of these structures.

PART 6 DRAINTAGE PIPING (AND ASSOCIATED STRUCTURE) CONSTRUCTION

6.1 Bedding Sections

6.1.1 Reinforced Concrete Pipe

6.1.2 Corrugated Steel Culvert Pipe

6.1.3 Class "B" Bedding

6.1.3.1 Class "B" Bedding shall conform to File No. 4 and Paragraph

3.2.6(b), Paragraph 3.2.6(g), or Paragraph 3.2.6(h) of the "Standard Specifications".

6.1.3.2 Delete the following sentence from Paragraph 3.2.6(b)(2) of the "Standard Specifications":

6.1.3.3 Amend Section 8.43.2(a) to state that crushed pea gravel is not acceptable as bedding material.

6.1.3.4 Cover material shall be the same material as used for bedding and shall conform to Section 8.43.2(a).

6.1.3.4.1 Limestone Bedding and Cover Material.

6.1.4 Placement and Compaction

6.2 Field Tile Connections.

6.2.1 All field tile encountered, damaged, or removed by construction activities, other than by the storm sewer modifications identified on the Plans, shall be repaired or replaced.

6.2.2 Damaged Pipe Replacement

SECTION 31 00 00.10 Page 2

6.2.3 All damaged field tile shall be repaired the same day as the damage occurs so that the flow of water will not be unreasonably restricted.

6.2.4 Install rodent guard on all repaired drain tile outlets. The rodent guard shall be constructed of hot-dipped, galvanized steel or aluminum screen, 1/2-inch mesh. The rodent guard shall be secured to the pipe outlet in such a manner so that it can easily be removed and reinstalled.

6.2.5 Any tile having the appearance or odor of transporting sewage must be marked and reported to the COR.

6.2.6 Field Tiles Discharging Directly into the Pike River and its Tributaries

6.3 Pipe Joint Restraint (Outfalls)

6.3.1 Secure the last two pipe sections, including end sections, at all storm sewer outfalls (discharge points) using joint ties in accordance with the Standard Detail Drawings shown in the Appendix.

6.3.2 The restraints for the bolts will be braced so that the bolts will not be allowed to protrude into the pipe more than 2 inches as stated in the details found in the Appendix.

PART 7 CULVERT, PIPING, AND DRAIN TILE ENDWALLS

7.1 Concrete apron endwalls shall be in accordance with WisDOT Standard Detail Drawing 8 F 1-11 and shall be tied to the concrete storm sewer pipe in the manner illustrated on the WisDOT Standard Detail Drawing 8 F 4-7. Both detail drawings are found in the Appendix.

7.2 Refer to Section 1521 of these Special Provisions for corrugated steel (metal) culvert pipe and steel apron endwalls.

7.3 Inlet/Outlet Grates.

7.3.1 Apron Endwalls and Grating

7.3.2 Inlet grates (trash racks)

7.3.3 Rodent Guards

PART 8 STORM SEWER MATERIALS

8.1 Any storm sewer, drain tile, or culvert which will be modified in the field will have endwalls replaced or added and the pipe material shall conform to the following:

PART 9 DITCH FILLING AND GRADING

9.1 The Contractor shall fill in ditches where indicated on the Plans, grade the ditches to drain to storm sewer inlets where applicable, in accordance with the grades shown.

9.2 Topsoil

9.3 Ditch drainage, in accordance with Section 1.7.10 of the "Standard

Specifications", must be provided at all times.

PART 10 FIELD STONE DISCHARGE APRONS

10.1 The field stone discharge aprons shown on the Plans shall be constructed of medium field stone.

10.2 Field stone as shown on the Plans, shall comply with Section 606 of the "State Specifications", as modified below.

10.3 Materials

10.3.1 Field stone dimensions will be to the approximate size listed below.

10.3.2 Field stone shall be generally round, non-fractured stone, of type found in local fields.

SECTION 31 00 00.10 Page 3

10.3.3 Limestone shall not be used.

10.3.4 No dimension of a singular stone shall be greater than three times another dimension of the same stone.

10.3.5 Gradation shall be as follows:

10.4 Placing Field Stone

10.4.1 Field stone shall be placed by hand or mechanical means, not by dumping.

10.4.2 Stones shall be laid perpendicular to the slope, with close, broken joints, and shall be firmly bedded in the slope.

10.4.3 Field stone shall be placed to present an even, tight surface.

10.4.4 Voids between stones shall be chinked with smaller diameter stones firmly rammed into place.

10.4.5 Stone shall be placed with a minimum layer thickness of 18 inches.

10.5 Geotextile Fabric

10.5.1 Field stone discharge aprons shall be placed on a layer of geotextile fabric as indicated on the Plans.

10.5.2 Place the fabric in accordance with Subsections 645.3.6 and

645.3.7 of the "State Specifications".

10.5.3 Material

10.5.3.1 Medium Field Stone

PART 11 GENERAL CONSTRUCTION PROCEDURES

11.1 INSTREAM CONSTRUCTION

11.2 ROCK EXCAVATION

11.3 PREVENTION OF PIPE FLOTATION

11.4 MANUFACTURER'S REPRESENTATIVE

11.5 HANDLING PIPE AND ACCESSORIES

11.6 EROSION AND SEDIMENT CONTROL

11.6.1 General

11.6.1.1 Groundwater Level Fluctuation and Perched Water Conditions

11.6.1.2 Erosion Minimization

11.6.1.3 Construction Staging and Erosion Control Plan

11.6.1.3.1 The proposed construction staging and erosion control are shown on the Plans.

11.6.1.3.2 Sediment Control Plan

11.6.1.4 Implementation

11.6.2 Erosion Control Measures

11.6.2.1 Erosion control measures shall include, but not be limited to the following:

11.6.2.2 Temporary Erosion Control Measures

11.6.3 Construction Pit Dewatering

11.6.4 Dust Control

11.6.5 Construction Within Drainageways

11.6.6 Installation, Inspection, Maintenance and Restoration of

Erosion Control Devices

11.6.6.1 General

11.6.6.2 Installation

11.6.6.3 Inspection

11.6.6.4 Maintenance

11.6.6.5 Restoration

11.6.7 Erosion Bales

11.6.8 Silt Fence

11.6.9 Stone Ditch Checks

11.6.10 Erosion Mat

11.6.10.1 General Specifications

11.6.10.2 CLASS AND TYPE SPECIFICATIONS

11.6.10.3 Installation

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11.6.11 Inlet Protection

11.6.12 Tracking Pad

11.6.12.1 Construction

11.6.12.2 Tire Washing

11.6.13 Turbidity Barrier

11.6.14 Hydromulching

11.6.15 Temporary Seeding

11.6.16 Mulch

11.6.17 Soil Stabilizer

11.6.17.1 General

11.6.17.2 Material

11.6.17.3 General Requirements for submittal of Soil Stabilizers

11.6.17.4 Application

11.6.18 Temporary Sedimentation Traps and Diversion Berms

11.6.18.1 Polymers (Settling Suspended Sediment)

11.6.18.1.1 Material

11.6.18.1.2 Installation

11.7 EROSION CONTROL PLAN

11.7.1 Erosion Control Measures

11.7.2 Construction Activity

11.7.2.1 Description

11.7.2.2 Construction Sequence

11.7.3 Erosion Control Sequence

11.7.3.1 Preconstruction Erosion and Sediment Control Measures

11.7.3.2 Erosion and Sediment Control Measures Installed During

Construction

11.7.3.3 Permanent Erosion Control Measures

11.7.3.4 Post Construction Activities

PART 12 BACKFILLING

12.1 Excavated Material Backfill

12.2 Granular Backfill

12.3 Consolidation

12.4 Surplus Excavated Material

PART 13 SURFACE REPLACEMENT

13.1 General Replacement

13.2 Property Corner Monuments

13.3 Pavement Protection

13.4 Pavement Marking Replacement

PART 14 TRAFFIC MAINTENANCE

14.1 Through Traffic Access

14.2 Snow Removal

14.3 Signing, Barricades and Flagmen

PART 15 SITE WORK

15.1 CLEARING, GRINDING, AND GRUBBING

15.1.1 Tree Trimming

15.1.2 Disposal of Debris

15.2 TEMPORARY STREAM CROSSING

15.2.1 Materials and Installation

15.2.2 Removal

15.2.3 REMOVING STORM SEWER PIPE AND DRAIN TILE

15.3 COMMON EXCAVATION

SECTION 31 00 00.10 Page 5

15.3.1 Drainage During Construction

15.3.2 Dust Control

15.3.3 Topsoil Stockpile

15.3.4 Hazardous Materials

15.3.5 Existing Granular Soil and Water Table Identification

15.3.6 Slope Stability Documentation

15.4 EXCAVATION BELOW SUBGRADE (EBS)

15.4.1 Granular Backfill for Excavation Below Subgrade

15.4.2 Stone Backfill to Stabilize Subgrade

15.5 SITE GRADING

15.6 DISPOSAL OF MATERIALS

15.7 CONSTRUCTION OF EMBANKMENTS

15.7.1 Materials

15.7.2 Standard Compaction

15.7.3 Prior to placing fill, the topsoil shall be stripped and stockpiled.

15.7.4 Special Compaction

15.8 CHANNEL RESTORATION

15.9 CORRUGATED STEEL (METAL) CULVERT PIPE AND STEEL APRON ENDWALLS

15.9.1 Materials

15.9.2 Steel Apron Endwalls

15.10 TOPSOIL AND SALVAGED TOPSOIL

15.10.1 Topsoil Stripping, Stockpiling, and Placing

15.10.2 Placing Salvaged Topsoil

PART 16 SITE RESTORATION

16.1 Site Preparation and Seeding Methods

16.2 Trees and Shrubs

16.3 Seed Mixes

16.3.1 Prairie Mix

16.3.1.1 Seed Mix and Application Rates

16.3.2 Wetland Mix

16.3.2.1 Seed Mixes

16.3.3 Stream Shelf (Bench) Mix

16.3.3.1 Seed Mixes, "Stream Shelf (Bench) Mix, Designated as "C" on Drawings.

16.3.4 Seed Mixes, "Stream Shelf Mix 'B'" Designated as "F" on

Drawings.

16.3.5 Pond Shelf Mix

16.3.5.1 Seed Mixes

16.3.6 Rural Seed Mix

16.3.7 Submittals

16.4 Sowing

16.4.1 Inoculation

16.4.2 Spreading

16.4.3 Seeding Times

16.4.4 Inspection

16.5 Erosion Control and Repairs

16.6 Establishment Period for Native Seeding (Wetland and Prairie Seed

Mixes)

16.7 Site Restoration Timetable

16.8 Guarantee Period

16.9 Maintenance and Monitoring

16.9.1 Plant Maintenance

16.10 Final Acceptance

PART 17 INSTREAM FEATURES

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17.1 STONE RIFFLE

17.1.1 Materials

17.1.2 Construction

17.1.3 Maintenance

17.2 BOULDER CLUSTERS

17.2.1 Materials

17.2.2 Construction

17.2.3 Maintenance

17.3 LOG JAM

17.3.1 Materials

17.3.1.1 Logs

17.3.1.2 Field Stone

17.3.1.3 Rebar

17.3.2 Construction

17.3.3 Maintenance

-- End of Section Table of Contents --

SECTION 31 00 00.10 Page 7

SECTION 31 00 00.10

SPECIAL PROVISIONS - ECOSYTEM RESTORATION

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PART 1 GENERAL

1.1 DEFINITION OF WORK

The work covered by this Contract shall consist of furnishing all labor, equipment, tools, supervision, machinery, supplies and all materials necessary to complete the Pike River Aquatic Ecosystem Restoration project.

1.1.1 Plans

The Contractor may request from the COR a three dimensional (3-D) digital drawing of the existing and proposed contours, and a two dimensional (2-D) digital drawing of the existing and proposed line work for this project.

1.1.2 Plans/Specifications at Project Site

The Contractor shall have a complete set of plans and specifications at the project site at all times. Specifications shall include:

(1) Project manual, including Special Provisions;

(2) "Standard Specifications", if applicable;

(3) "State Specifications";

(4) Other documents pertaining to the project.

1.2 Specifications

1.2.1 Utility Construction

The "Standard Specifications for Sewer and Water Construction in Wisconsin", Sixth Edition, December 22, 2003, with Addendum No. 1 and Addendum No. 2, will govern all utility work performed on this project and hereinafter will be referred to as the "Standard Specifications".

Delete Part I, General Conditions, from the "Standard Specifications".

1.2.2 Other Construction

The State of Wisconsin, Department of Transportation, "Standard Specifications for Highway and Structure Construction", Current Edition, and all "Interim Supplemental Specifications"; will govern all other work performed on this project and hereinafter will be referred to as the "State Specifications".

Delete Part I, General Requirements and Covenants, from the "State Specifications", except those sections specifically referenced in these contract documents.

All references to the "Department" or "State" (The "Department" of Transportation of the "State" of Wisconsin) shall be interpreted to mean the COR.

All references to metric unit(s) shall be converted to their nearest whole equivalent Standard unit(s) (U.S. Standard) in accordance with

SECTION 31 00 00.10 Page 8 the conversion tables shown in the Appendix of the "State Specifications". Any necessary adjustments or interpretations shall be made by the COR.

1.2.3 In the event of a discrepancy between these "Special Provisions" and either the "Standard Specifications" or the "State Specifications", these "Special Provisions" shall govern.

1.2.4 Copies of the "Standard Specifications for Sewer and Water Construction in Wisconsin", Sixth Edition, may be obtained for $45.00 each, plus $7.50 shipping, upon request to:

Public Works Industry Improvement Program 2835 N. Mayfair Road, Suite 35 Milwaukee, WI 53222

Phone: (414) 778 1050

1.2.5 The "Standard Specifications for Highway and Structure Construction", Current Edition, may be viewed for free via the internet at the following website:

http://roadwaystandards.dot.wi.gov/standards/stndspec/index.htm

1.2.6 Hard copies or CDs of the "Standard Specifications for Highway and Structure Construction," Current Edition, may be ordered from WisDOT by downloading their order form available at the following website:

http://roadwaystandards.dot.wi.gov/standards/stndspec/hidden/order/index.htm

1.3 Spill Prevention and Response Procedures

Contractor shall have onsite project specific spill prevention and response procedures and material safety data sheets (MSDS) for all hazardous materials onsite.

1.4 Staking Line and Grade

The Contractor will be responsible for staking and layout of the project.

1.5 Work Schedule

The Contractor shall complete the work in accordance with the schedule specified. The Contractor shall be required to provide a Construction Schedule, Construction Staging Plan, and erosion control plan to the COR and the WDNR for approval prior to beginning work on this project as described in Section 650 of these Special Provisions.

Refer to Section 110 of these Special Provisions for additional work scheduling/completion requirements.

The suggested work sequence is generally noted on the Construction Staging and Erosion Control Plan.

SECTION 31 00 00.10 Page 9

1.5.1 Construction Working Hours

1.5.1.1 The Contractor may only work within the times noted below unless otherwise approved by the COR. These hours only apply to Contractor's operations that create noise levels that could negatively affect adjacent properties.

Weekdays - 7:00 a.m. to 6:00 p.m.

Saturday - 8:00 a.m. to 5:00 p.m.

Sunday - No Work Allowed.

1.6 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00 SUBMITTAL PROCEDURES:

SD-01 Preconstruction Submittals

Construction Schedule; G, AOF

Construction Staging Plan; G, AOF

Erosion Control Plan; G, AOF

Sediment Control Plan; G, AOF

Alternate Compaction Methods; G, AOF

Hauling Operations and Maintenance Plan; G, AOF]

SD-03 Product Data

Borehole Abandonment Form; G, AOF

Erosion Control Mat Product Data; G, AOF

Channel and Slope Erosion Protection Test Results; G, AOF

Vegetative Enhancement Test Results; G, AOF

Soil Stabilizer; G, AOF

Polymers; G, AOF

Seed Mix Listing; G, AOF

PART 2 PERMITS AND EASEMENTS

2.1 Permits and Approvals

Amend Section 1.2.8. of the "Standard Specifications" to read in part:

"The Owner has or will obtain the following permits/approvals needed for construction of the work. Copies of these documents are or will be made

SECTION 31 00 00.10 Page 10 available for the Contractor to review and become familiar with in order that he may comply with their special provisions."

The following permits and approvals have been obtained:

Wisconsin DNR Chapter 30 Waterway Permit

Department of the Army General Permit

2.2 DNR Well Permits

2.2.1 The Contractor shall obtain well permits from the Department of Natural Resources if dewatering wells will be installed or operated for which the single or aggregate capacity will be in excess of 70 gallons per minute.

Permits must be obtained before well construction can begin.

2.2.2 The DNR's address for well permits is as follows:

Wisconsin Department of Natural Resources Bureau of Drinking Water and Groundwater Box 7921 Madison, WI 53707 or

Contact: Mark Putra at (608) 267-7649

2.2.3 Permit requirements:

(1) The fee for a High Capacity Well (greater than 70 gpm) is $500.00 and must accompany each application.

(2) Any new well on a high capacity well property requires an approval and is subject to the fee.

(3) Global Positioning Satellite (GPS) location data is required for all wells listed on applications.

(4) Temporary dewatering well installations with multiple wells for one project are subject to a single $500.00 fee.

2.3 Contractor is responsible for obtaining all necessary off-site disposal permits.

A fill permit is required if surplus excavated material is placed within the Village of Mt. Pleasant outside of the project limits.

2.4 Water Supply for Construction Purposes

1. When a source of water is required by the Contractor for construction purposes in the Village of Mt. Pleasant, the Contractor may obtain water from the municipal water system only upon approval of the Racine Water Utility. Any attempt to obtain water without the Racine Water Utility's approval, is subject to fines and penalties.

2. The Contractor shall contact the Racine Water Utility at least 3 days prior to the expected needed use of municipal water. Contact the Racine Water Utility at (262) 636-9185.

3. Water will be made available at the Racine Water Utility treatment facility at 100 Hubbard Street or upon written request may be obtained from

SECTION 31 00 00.10 Page 11 a remote location. A remote location setup charge will be charged for the installation of a backflow preventer and meter through an existing hydrant. Contact the Racine Water Utility for the current rate. Any damage to equipment during the period of time permitted to be used by the Contractor will be charged back to the Contractor.

4. Water use through a remote hydrant location will not be permitted after October 31st. in any given year. After October 31st, water must be obtained from the 100 Hubbard Street location.

5. The cost for all water used will be charged to the Contractor at the current charge back rate established by the Racine Water Utility.

2.5 Easements and Construction License Agreements (Permits)

The Owner has obtained the necessary easements and construction license agreements (permits) for construction of the Work. The Contractor shall comply with all of the conditions of these easements/permits. Copies of these documents will be provided prior to construction for the Contractor to review and become familiar with in order that he may comply with their special provisions and conditions.

The Contractor shall restrict his operations to minimize damage within temporary easement areas and shall be allowed to use only that land which is reasonably necessary to conduct his work operations.

2.6 Soil Boring Permit/Approval.

2.6.1 Contractors shall obtain permission from the COR prior to performing subsurface investigations. Street opening or highway permits may be required for taking soil borings within streets or highways maintained by Town, County or State highway departments.

2.6.2 The Contractor is reminded to contact all utilities, as well as Diggers Hotline, before performing soil boring work.

2.6.3 Soil borings shall not be taken within existing pavement or shoulder areas without the COR's prior permission. All boring holes shall be completely filled after the work has been completed.

2.6.4 Borehole/Drillhole Abandonment

1. All boreholes shall be completely filled after the work has been completed. Drillholes (boreholes) shall be abandoned in accordance with DNR regulations. Chapter NR 812, Wisconsin Administrative Code, defines drillholes as "any excavation or opening . . . deeper than it is wide that extends more than 10 feet below the ground surface."

2. Section NR 812.26 specifies the procedures to be used in drillhole abandonment. Drillholes shall be filled with acceptable materials as specified in Section NR 812.26(7).

3. An Borehole Abandonment Form (Form 3300 - 5b or 5w) shall be submitted to the appropriate DNR District office for each abandoned drillhole within 30 days of completion of the work in accordance with Section NR 812.26(8).

SECTION 31 00 00.10 Page 12

PART 3 NOTIFICATION OF UTILITIES

3.1 Utility Location and Coordination

The locations of utilities shown on the Plans are from existing records and/or field locations and may not be complete or accurate. The Contractor shall contact Diggers Hotline at (800) 242 8511, as well as other utilities not served by Diggers Hotline but having facilities in the work area, at least three (3) full business days prior to construction to notify the utilities to locate their underground facilities.

A preconstruction meeting will be held, if required, to coordinate the work operations of the Contractor and the utility companies and resolve any conflicts that may exist.

3.2 Utility Protection

It shall be the responsibility of the Contractor to protect all utilities that are encountered in his work operations. The Contractor shall contact utilities to determine their procedure and schedule for supporting and/or relocating poles and shall notify any above ground utility such as electric and telephone companies to relocate or reinforce any poles, ties or anchors which may be on or near the line of the proposed utility or weakened by excavation for the proposed utility or within road construction grading limits. All costs of protecting existing utilities; such as tunneling, sheathing, bracing or relocation including utility company bracing and relocation charges shall be considered incidental to utility construction.

The contractor shall not disturb or damage the existing 60" Diameter RCP Sanitary Sewer that is located within and throughout the construction limits. To insure that no damage to the sewer has occurred the contractor is responsible for video inspections of the line before and after construction activities are completed.

3.3 Utility Contacts

Diggers Hotline (800) 242-8511

We Energies - Electric Attn: Francisco Chavez (414) 944-5540

We Energies - Gas Attn: Mike Macaluso (262) 552-3285

Mt. Pleasant Sanitary and Storm Utility Attn: Tony Beyer, Utility Manager (262) 664-7849

SECTION 31 00 00.10 Page 13

PART 4 SUBSURFACE SOIL INVESTIGATION DATA

4.1 [Enter Appropriate Subpart Title Here]4.1 A subsurface soil investigation was conducted in October 1977 as part of the construction of the interceptor sewer that is currently present at the project site. The soil investigation report has been included in the Appendix. In addition, not shown on the soil borings, a soil probe investigation was completed in 2011 and found that an average of appoximately 16" of topsoil is present throughout the project site. No testing of the topsoil has been completed.

4.2 Soil Boring Accuracy

There is no expressed or implied guarantee by Government as to the accuracy or adequacy of the subsurface soil investigations nor of the interpretation thereof. The Contractor must form his own opinion of the character of the materials which will be encountered from an inspection of the ground, from his own interpretation of the soil boring information and from such other investigations that he may wish to employ. The subsurface soil investigation data shall be considered for reference only.

PART 5 NOTIFICATION OF FISH HABITAT AND SEEDING WORK

5.1 Prior to installing each type of fish habitat structure, including stone riffles, log jams, and boulder clusters, the Contractor shall notify the COR at least 72 hours in advance to coordinate construction inspection of these structures.

5.2 Prior to installing each type of fish habitat structure, including stone riffles, log jams, and boulder clusters, the Contractor shall notify the COR at least 72 hours in advance to coordinate construction inspection of these structures.

PART 6 DRAINTAGE PIPING (AND ASSOCIATED STRUCTURE) CONSTRUCTION

6.1 Bedding Sections

6.1.1 Reinforced Concrete Pipe

Reinforced concrete pipe shall be installed using Class "B" Bedding.

6.1.2 Corrugated Steel Culvert Pipe

Corrugated steel culvert pipe shall be installed using Class "B" Bedding.

6.1.3 Class "B" Bedding

6.1.3.1 Class "B" Bedding shall conform to File No. 4 and Paragraph 3.2.6(b), Paragraph 3.2.6(g), or Paragraph 3.2.6(h) of the "Standard Specifications".

6.1.3.2 Delete the following sentence from Paragraph 3.2.6(b)(2) of the "Standard Specifications":

"If crushed stone chips or other materials conforming to Section 8.43.2(a) are used as cover material, no compaction is required."

SECTION 31 00 00.10 Page 14

6.1.3.3 Amend Section 8.43.2(a) to state that crushed pea gravel is not acceptable as bedding material.

6.1.3.4 Cover material shall be the same material as used for bedding and shall conform to Section 8.43.2(a).

6.1.3.4.1 Limestone Bedding and Cover Material.

Amend Section 8.43.2(a) to read in part:

"Crushed stone chips, bedding and cover material, shall be made from crushing sound limestone only."

6.1.4 Placement and Compaction

Place bedding material to the springline of the pipe and compact prior to placing cover material. Compaction of bedding material at the level of the pipe springline shall include working bedding material under the haunches of the pipe using shovels or other suitable methods. The Contractor shall take care to completely work bedding material under the haunches of the pipe to provide adequate side support.

Place and compact cover material in one or more lifts after compacting bedding material.

6.2 Field Tile Connections.

6.2.1 All field tile encountered, damaged, or removed by construction activities, other than by the storm sewer modifications identified on the Plans, shall be repaired or replaced.

6.2.2 Damaged Pipe Replacement

Tile lines damaged by or interfering with construction shall be replaced with polyvinyl chloride (PVC) sewer pipe meeting the requirements of ASTM D3034, SDR-35, with rubber gasket joints. The tile to PVC pipe connection shall be made with the compatible fittings, adapters, or encased in concrete. The size of the new pipe shall be equal to or greater than the field tile it is connected to.

6.2.3 All damaged field tile shall be repaired the same day as the damage occurs so that the flow of water will not be unreasonably restricted.

6.2.4 Install rodent guard on all repaired drain tile outlets. The rodent guard shall be constructed of hot-dipped, galvanized steel or aluminum screen, 1/2-inch mesh. The rodent guard shall be secured to the pipe outlet in such a manner so that it can easily be removed and reinstalled.

6.2.5 Any tile having the appearance or odor of transporting sewage must be marked and reported to the COR.

6.2.6 Field Tiles Discharging Directly into the Pike River and its Tributaries

All field tiles discharging directly to the Pike River and its tributaries shall be modified to match the proposed grades and field stone discharge apron installed. This treatment includes the installation of a rodent guard, an apron endwall of corresponding size, and riprap. The riprap shall extend from the end of pipe down to the edge of the new low flow

SECTION 31 00 00.10 Page 15 channel unless otherwise shown on the Plans.

6.3 Pipe Joint Restraint (Outfalls)

6.3.1 Secure the last two pipe sections, including end sections, at all storm sewer outfalls (discharge points) using joint ties in accordance with the Standard Detail Drawings shown in the Appendix.

6.3.2 The restraints for the bolts will be braced so that the bolts will not be allowed to protrude into the pipe more than 2 inches as stated in the details found in the Appendix.

PART 7 CULVERT, PIPING, AND DRAIN TILE ENDWALLS

7.1 Concrete apron endwalls shall be in accordance with WisDOT Standard Detail Drawing 8 F 1-11 and shall be tied to the concrete storm sewer pipe in the manner illustrated on the WisDOT Standard Detail Drawing 8 F 4-7. Both detail drawings are found in the Appendix.

7.2 Refer to Section 1521 of these Special Provisions for corrugated steel (metal) culvert pipe and steel apron endwalls.

7.3 Inlet/Outlet Grates.

7.3.1 Apron Endwalls and Grating

1. Install apron endwalls and steel grating on the ends of all storm sewers, drain tiles, and culverts for all proposed drainage structures and existing structures modified in the field, in accordance with the details shown on the Plans and/or in the Appendix and per the requirements of Chapter 8.16.0 of the "Standard Specifications".

2. Revise Section 8.16.1 as follows:

a. Delete the requirement for fastening grating to the pipe with nuts and replace with the following:

"Grating shall be prefabricated as described in Section 8.16.2."

b. Delete the requirement for painting and replace with the following:

"After fabrication, the entire grating shall be hot dipped with a galvanized coating."

7.3.2 Inlet grates (trash racks)

Inlet grates (trash racks) shall be placed over the pipe end section and outlet grates shall be placed approximately 3 inches from the end of the pipe unless specified otherwise on the Plans.

7.3.3 Rodent Guards

For pipes smaller than 12 inches, rodent guards (screens) shall be installed. Rodent guards shall be constructed of hot-dipped galvanized steel, aluminum, or other appropriate metal coating; and shall be a 1/2-inch mesh screen, which shall be secured to the pipe outlet in a manner such that it can be easily removed and reinstalled.

SECTION 31 00 00.10 Page 16

PART 8 STORM SEWER MATERIALS

8.1 Any storm sewer, drain tile, or culvert which will be modified in the field will have endwalls replaced or added and the pipe material shall conform to the following:

1. Reinforced concrete sewer pipe (RCP) shall meet the requirements of ASTM C76 with mortar or rubber gasket joints conforming to ASTM C443.

a. RCP shall be Class III (18" and larger), Class IV for 15", and Class V for 12", unless noted otherwise.

2. Corrugated Steel (Metal) Culvert Pipe (CSCP or CMP) shall meet the requirements of Section 1521 of these Special Provisions.

3. Apron endwalls for storm sewer, drain tile, and culvert pipe for RCP and CSCP shall be in accordance with the material requirements above and with WisDOT Standard Detail Drawing 8 F 1-11 as shown in the Appendix.

a. Outfalls, or downstream apron endwalls, for reinforced concrete pipe shall have joint restraint as described in Section 401.D of these Special Provisions and WisDOT Standard Detail Drawing 8 F 4-7 located in the Appendix.

PART 9 DITCH FILLING AND GRADING

9.1 The Contractor shall fill in ditches where indicated on the Plans, grade the ditches to drain to storm sewer inlets where applicable, in accordance with the grades shown.

9.2 Topsoil

Prior to grading and filling in ditches, the Contractor shall strip and stockpile all topsoil for future use in restoring disturbed construction areas. All fill areas shall be covered with a minimum of 4 inches of topsoil. If sufficient quantities of salvaged topsoil are not available for covering fill areas, the Contractor shall furnish additional topsoil at no cost to the Government.

9.3 Ditch drainage, in accordance with Section 1.7.10 of the "Standard Specifications", must be provided at all times.

PART 10 FIELD STONE DISCHARGE APRONS

10.1 The field stone discharge aprons shown on the Plans shall be constructed of medium field stone.

10.2 Field stone as shown on the Plans, shall comply with Section 606 of the "State Specifications", as modified below.

10.3 Materials

10.3.1 Field stone dimensions will be to the approximate size listed below.

Type Average Stone Diameter, D50 (Inches) Medium Riprap 10

SECTION 31 00 00.10 Page 17

10.3.2 Field stone shall be generally round, non-fractured stone, of type found in local fields.

10.3.3 Limestone shall not be used.

10.3.4 No dimension of a singular stone shall be greater than three times another dimension of the same stone.

10.3.5 Gradation shall be as follows:

Percent Passing Size By Weight (Inches) 100 2.0 x D50 60 to 85 1.5 x D50 25 to 50 D50 5 to 20 0.5 x D50 0 to 5 0.2 x D50

10.4 Placing Field Stone

10.4.1 Field stone shall be placed by hand or mechanical means, not by dumping.

10.4.2 Stones shall be laid perpendicular to the slope, with close, broken joints, and shall be firmly bedded in the slope.

10.4.3 Field stone shall be placed to present an even, tight surface.

10.4.4 Voids between stones shall be chinked with smaller diameter stones firmly rammed into place.

10.4.5 Stone shall be placed with a minimum layer thickness of 18 inches.

10.5 Geotextile Fabric

10.5.1 Field stone discharge aprons shall be placed on a layer of geotextile fabric as indicated on the Plans.

10.5.2 Place the fabric in accordance with Subsections 645.3.6 and 645.3.7 of the "State Specifications".

10.5.3 Material

10.5.3.1 Medium Field Stone

The fabric shall be geotextile fabric, Type HR meeting the minimum values specified in Subsection 645.2.7 of the "State Specifications".

PART 11 GENERAL CONSTRUCTION PROCEDURES

11.1 INSTREAM CONSTRUCTION

Excavation of the existing stream bed for instream fish habitat features (e.g. log jams, riffles, and deep pools) and temporary stream crossings shall only occur after the Contractor has installed temporary measures such as turbidity barriers, coffer dams, bypass pumping, and diversions as

SECTION 31 00 00.10 Page 18 necessary to construct the proposed improvements and to prevent the migration of sediments.

Instream construction shall be completed between June 1 and August 31 per DNR permit conditions in order to protect fish spawning populations.

11.2 ROCK EXCAVATION

Rock excavation shall be in accordance with Section 2.2.9. of the "Standard Specifications". The width for rock excavation in open cut shall be the actual width of excavated trench, but not to exceed the outside diameter of the pipe plus 24 inches. The bottom of rock shall be measured to no lower than 4 inches below the barrel of the pipe. The vertical limits of rock may be measured by stripping earth overburden prior to blasting or removal or by other methods mutually acceptable to both the COR and Contractor.

One such method may be to measure the depth of rock exposed on trench walls after blasting and excavation have been completed.

11.3 PREVENTION OF PIPE FLOTATION

The Contractor shall at all times prevent the possibility of pipe flotation, i.e.: the lifting of pipes by buoyancy as water rises in the trench by proper bracing or by loading to overcome buoyancy. All pipe damaged by flotation shall be removed and replaced at the Contractor's expense.

11.4 MANUFACTURER'S REPRESENTATIVE

The pipe manufacturer shall have a representative available to the Contractor and COR for the purpose of advising them in the proper method of laying pipe and making watertight joints. It is the intent of this requirement that the representative spend only such time on the job as will accomplish the desired result of satisfactory installation practice. The presence of such representative, however, or the partial payment made for pipe as delivered, shall not relieve the Contractor of his responsibility under these Special Provisions. All pipe laying and making of all joints shall be done strictly in accordance with the manufacturer's directions, however, the Contractor shall be responsible for the watertightness specified.

11.5 HANDLING PIPE AND ACCESSORIES

Proper equipment, tools and facilities shall be provided and used by the Contractor for the safe and convenient prosecution of the work. Pipe, fittings, valves and other accessories shall at all times be handled with care to avoid damage. In loading and unloading they shall be lifted by hoist or derrick or rolled on skidways in such manner as to avoid shock.

Pipe unloaded by skidding shall be protected from bumping contact with other pipe or the ground. Under no circumstances shall pipe be dropped.

The Contractor shall carefully examine all pipes and other materials immediately before placing in the trench, and if any such pipes or materials are found to be defective they shall be rejected and removed from the work site.

SECTION 31 00 00.10 Page 19

11.6 EROSION AND SEDIMENT CONTROL

11.6.1 General

11.6.1.1 Groundwater Level Fluctuation and Perched Water Conditions

The possibility of groundwater level fluctuation and perched water conditions should be anticipated throughout construction. In addition, the presence of clay soils can cause significant reduction in soil strength and support capabilities. The Contractor shall have the means and methods to stabilize the work area without releasing sediment into the Pike River.

11.6.1.2 Erosion Minimization

The Contractor shall take all measures necessary to minimize erosion, water pollution and siltation caused by construction of this project. Erosion control measures shall be in accordance with Chapter 2.8.0 of the "Standard Specifications", Subsection 107.20 and Section 628 of the "State Specifications", the details shown on the Plans and in the Appendix.

The Contractor shall use the standards prepared by the Wisconsin Department of Natural Resources as a reference and guide for erosion control practices. The standards are maintained and located on the Wisconsin Department of Natural Resources website at:

www.dnr.wi.gov/runoff/stormwater/techstds.htm

The Contractor shall comply with the provisions of local erosion control plans and/or ordinances

11.6.1.3 Construction Staging and Erosion Control Plan

11.6.1.3.1 The proposed construction staging and erosion control are shown on the Plans.

11.6.1.3.2 Sediment Control Plan

Prior to beginning work, the Contractor shall be required to submit a construction staging, and erosion and Sediment Control Plan measures that will be employed in the various stages of construction for approval by the COR and the WDNR, including how the old channel will be isolated during the construction of the new channel and wetland habitat features.

11.6.1.4 Implementation

The Contractor shall not begin work until after initial erosion and sediment control devices are in place and approved by the COR.

11.6.2 Erosion Control Measures

11.6.2.1 Erosion control measures shall include, but not be limited to the following:

a. Divert upstream runoff from flowing through the construction site.

b. Protect downstream or adjacent waterways and wetlands with silt fence and/or turbidity barrier.

c. Delay stripping topsoil until required for construction.

SECTION 31 00 00.10 Page 20

d. Place erosion control bales or stone check dams in ditches and other drainageways to collect sediment and to slow the velocity of runoff.

e. Construct sedimentation basins and diversion berms.

f. Protect storm sewer inlets and the upstream end of culverts with erosion control bales and/or inlet protection.

g. Prompt removal of excavated material.

h. Proper storage of backfill and bedding materials including placing silt fence or erosion control bales on the downslope sides of spoil piles.

i. Construction of gravel access roads to construction sites to prevent sediment from being tracked onto roadways.

j. Prompt (same day) cleanup of material tracked onto adjacent streets.

k. Timely restoration of damaged surface areas.

11.6.2.2 Temporary Erosion Control Measures

The Contractor shall construct temporary erosion control measures, where erosion is likely to be a problem, prior to beginning work on those section(s) of the project. Temporary erosion control measures shall be maintained until after permanent erosion control, such as seeding, has been established.

In the event that permanent erosion control measures are not fully implemented in the current construction season, the Contractor shall be responsible for maintaining all necessary temporary erosion control measures until after permanent measures have been completed in the following year.

11.6.3 Construction Pit Dewatering

1. The Contractor may be required to treat effluent from construction pit dewatering prior to the direct discharge to surface waters or wetlands.

2. Dewatering treatment practices shall be implemented in accordance with DNR Dewatering Technical Standard 1061.

3. Refer to Subsection 102.A of these Special Provisions for instructions for obtaining discharge permits.

11.6.4 Dust Control

The Contractor shall minimize the dispersion of dust caused by construction operations in accordance with DNR Dust Control Technical Standard 1068.

11.6.5 Construction Within Drainageways

1. Construction work within ditches or drainage swales shall not be allowed to disrupt the existing drainage pattern for a distance greater than 500 feet at one time unless otherwise approved by the COR. The Contractor shall be responsible for providing temporary drainage around the

SECTION 31 00 00.10 Page 21 work area when existing drainage patterns are interfered with.

a. Protect the upstream end of culverts with erosion bales.

2. Ditches shall be reshaped to their existing cross section immediately after construction work on that section of the project has been substantially completed. The Contractor shall take all measures necessary to prevent erosion of drainageways.

3. Temporary and permanent erosion control measures, including erosion bales, stone check dams, silt fence, riprap and site restoration including erosion mat, shall be performed in a timely manner and in accordance with the requirements of these Special Provisions.

11.6.6 Installation, Inspection, Maintenance and Restoration of Erosion Control Devices

11.6.6.1 General

This subsection applies to all erosion control devices used on this project.

11.6.6.2 Installation

Install or place erosion control devices either (as appropriate):

(1) Prior to beginning construction activities;

(2) Immediately after grading of ditches or slopes is completed;

(3) Immediately after completing site restoration

11.6.6.3 Inspection

Inspect erosion control devices:

(1) Within 24 hours after each 0.5 inch or greater rainfall;

(2) At least daily during prolonged rainfall; and

(3) At least once every seven days.

11.6.6.4 Maintenance

a. Maintain erosion control devices and measures for the duration of the project and until after slopes and ditches have been stabilized and vegetation developed to the extent that future erosion is unlikely as determined by the WDNR and the COR, at which time the Contractor shall remove the temporary erosion control device(s).

b. Remove sediment deposits when the build-up exceeds approximately one-half the volume capacity of the erosion control device.

11.6.6.5 Restoration

Restore areas immediately after removing erosion control devices by reshaping or regrading and placing topsoil, fertilizer, seed and mulch.

Place erosion mat, if required to control erosion.

SECTION 31 00 00.10 Page 22

11.6.7 Erosion Bales

1. The Contractor shall place erosion bales of straw, hay or other suitable baled material to form checks or dikes as required to control erosion, including at locations shown on the Plans. Placement and maintenance of erosion bales shall be in accordance with Subsections

628.3.3 and 628.3.14 (temporary ditch checks) of the "State Specifications" and the detail as shown on the Plans or in the Appendix.

2. Place a double row of erosion bales as shown on the Plans for Temporary Ditch Checks.

11.6.8 Silt Fence

The Contractor shall place silt fence as required to control erosion, including at the locations shown on the Plans. Silt fence shall be placed and maintained in accordance with Subsection 628.3.4 of the "State Specifications" and the detail as shown on the Plans or in the Appendix.

a. Furnish fabric with a top support cord.

b. Install tie backs in areas of heavy flow.

c. Do not use silt fence in ditches or drainageways.

11.6.9 Stone Ditch Checks

The Contractor shall construct stone ditch checks in ditches or drainageways at the locations shown on the Plans. Construct stone ditch checks in accordance with the WDNR Technical Standard 1062.

11.6.10 Erosion Mat

11.6.10.1 General Specifications

a. The Contractor shall place erosion mat over all areas as shown on the Plans, as specified herein. The contractor shall submit Erosion Control Mat Product Data for each type specified. The following types of erosion control mats shall be used:

1. Class I - Type B, Urban Erosion Blanket shall be installed on greater than 2-foot horizontal to 1-foot vertical channel side slopes up to 6-foot horizontal to 1-foot vertical side slopes on the upland buffer areas unless otherwise noted on the Plans.

2. Class II - Type C, Erosion Mat shall be installed on the upper fabric encapsulated soil layer for channel restoration as shown on the Plans.

3. Class III - Type A, Erosion Control Revegetation Mat shall be installed on embanked areas of the temporary crossings to prevent soil loss, on the spillways as noted on the Plans.

b. Note: Erosion mat type and class designations match materials specified in the Wisconsin Department of Transportation's Product Acceptability Lists (PAL) (http://www.dot.wisconsin.gov/business/engrserv/pal.htm). If a product is supplied from the PAL, no testing results or other submittals will be

SECTION 31 00 00.10 Page 23 required. The contractor shall only submit product data for the selected material.

c. "Erosion mat" is defined as a manufactured blanket or mat that is delivered to the work site in rolls or strips, with a minimum thickness of 1/4 inch (6 mm). Each Type of mat must be capable of sustaining the required Minimum Product Permissible Shear Stress for the duration specified in the Class to which it is assigned.

d. The requirements listed below must be met for an erosion mat product.

See also the WisDOT Facilities Development Manual, Procedure 10-10-15 for more information.

e. Private label identification: A letter of certification shall be provided from the private labeler identifying his source and name of material along with a companion certification letter from the manufacturer.

The certification shall address the source, material properties and identifying names in the letters of certification.

f. Channel and Slope Erosion Protection Test Results: ASTM D6459-07 and ASTM D6460-07 test results from the American Association of State and Highway Transportation Officials (AASHTO) National Transportation Product Evaluation Program (NTPEP), will be submitted for approval of all erosion mats. Products with quick degrading netting due to ultraviolet exposure may be approved based on mats of identical design form a company's product line with ultraviolet stabilized netting.

g. Reports to shall include but not limited to:

i. Procedure

ii. Site conditions

iii. Geotechnical information

iv. Material type, installation, and index values on tested material following the NTPEP procedures. This does not include bench scale soil loss testing.

v. Calibration

vi. Test set up

vii. Test procedure and data collection.

viii. Analysis and data interpretation including the revised universal soil loss index number, shear stresses for channels, channel velocity, energy slope and Manning's resistance coefficient at all flows.

ix. Summary of test results

x. All raw data and calculations

h. Minimum Product Permissible Shear Stress: All approved erosion mats must meet the minimum product permissible shear stress requirements for the category that they have been assigned to while maintaining a level of soil protection in a bare soil condition. Failure in shear is defined by the loss of 0.50 inch of soil in the channel.