Atch1_SOW.pdf

Service Contract Requirements V. 2021-10-18 Page | 1

PIPESTONE NATIONAL MONUMENT

36 RESERVATION AVE.

Pipestone, MN 56164

BUILDING #3 RESIDENCE

REMOVAL OF BUILDING, DETACHED GARAGE, PAVED ROAD, DRIVEWAY,

CONCRETE AND RESTORE LANDSCAPE

PMIS 307689

Component A and B

PROJECT STATEMENT OF WORK or

PERFORMANCE WORK STATEMENT

NATIONAL PARK SERVICE

4/23/2023

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TABLE OF CONTENTS

Service General Requirements

DIVISION 1 - GENERAL REQUIREMENTS

Section 01 10 00 - Division 01 General Requirements Section 01 35 13 - Archeological and Historical Resources Protection

DIVISION 2 – DEMOLITION

SECTION 02 41 16 - Structure Demolition

DIVISION 31 – EARTHWORK

SECTION 31 10 00 - Site Clearing SECTION 31 11 60 - Weed Eradication SECTION 31 20 00 - Earth Moving and Erosion Control

DIVISION 32 LANDSCAPING

SECTION 32 92 00 - Landscaping and Seeding

ATTACHMANTS

DRAWINGS and PHOTOS

SITE MAP

EXISTING UTILITIES

SPILL RESPONSE FORM

SAMPLE SITE SPECIFIC SAFETY PLAN

MPCA NOTIFICATION TO PERFORM DEMOLITION FORM

BLDG 3 HAZMAT INSPECTION INVESTIGATION AND REPORT

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SERVICE GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 – LOCATION AND DESCRIPTION OF WORK

1.1 Background: The Pipestone National Monument General Management Plan (GMP) and Environmental Impact Statement, final, dated 2008 identifies Alternative 1 as the preferred alternative.

Alternative 1 focuses on reducing development in the heart of the National Monument. Emphasis would be placed on preserving the setting, the site history, and the spiritual significance of the National Monument as the source of pipestone. The GMP identifies Building #3 Office, garage and local surrounding manmade surface areas removed and restored to prairie landscape.

1.2 Work Covered by the Contract Documents:

A. Project Location: Building #3 Residence, Garage, Route 400, driveways, and prairie restoration at 36 Reservation Ave. Pipestone, Minnesota.

B. Work consists of: Furnishing the materials, labor, tools and equipment necessary for demolition and removal of a residential structure, garage structure, city water service manhole and fire hydrant, driveway pavement to the road, Route 400 paved road including base and subbase material to Reservation Ave, foundations, slabs/floors, windows/doors, trash, debris, concrete, wood, steel, wiring, piping and any other materials that are not part of the natural setting. The Contractor shall use any desired method of demolition (except explosives and fire), provided the method does not cause damage to surrounding natural resources; and conforms to all local, county, state and federal laws. The work includes grading the area with approved borrow pit material (topsoil) within the buildings, driveways, and road footprint.

1. Building 3 HAZMAT (ACM) abatement, disposal, and final clearance report

2. Demolition and disposal of housing structure approximately 1380 square feet

3. Remove and dispose furnace and air conditioning

4. Demolition and disposal of detached garage structure approximately 576 square feet and associated apron and asphalt

5. Demolition and disposal of asphalt driveway, base and subbase course approximately

170 square feet

6. Demolition and disposal of asphalt service road Route 401, 2 culverts, 1 catch basin, base and subbase course approximately 4950 square feet restored to natural landscape

7. Disconnect city water service, cap at location 96.3221357 W, 44.0095958 N include thrust block. Fill manhole located next to building 3

8. Removal of fire hydrant and remove pipe to the closest elbow

9. Remove Visitor Center south hydrant and replace with Building 3 hydrant

10. Removal of 9 trees including stumps and shrubs in restoration area

11. Fill material from approved borrow pit and topsoil approximately 200 yards

12. Weed eradication

13. Restore landscape to prairie like conditions approximately 2.1 acres

C. All work will be performed under a single contract.

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Period of performance: Work shall be completed within approximately 60 calendar days of contract award.

ITEM 2 - EXISTING UTILITIES

2.1 Existing Utilities: Notify Contracting Officer (CO), Contracting Officer’s Representative (COR) and utility companies to coordinate proposed locations, times for excavation and request location services prior to any digging operation.

2.2 Contractor shall be responsible for locating and preventing damage to known utilities. If contractor damage occurs, alert CO and COR as soon as safely possible, and repair utility at no additional expense to the Government. If damage occurs to an unknown utility, contact CO and COR as soon as safely possible.

2.3 Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated below:

2.3.1 Notify CO and COR not less than two business days in advance of proposed utility interruptions.

ITEM 3 - CONTRACTOR’S USE OF PREMISES

3.1 Conduct of Operations: At all times the contractor shall conduct his operations in conformance with the rules and regulations promulgated by the Secretary of the Interior for the National Park Service, and applicable park rules and regulations prescribed by the Park Superintendent.

A. No signs or advertisements (except those specified herein and as required for safety) shall be displayed on the site or within the park unless approved by the Contracting Officer.

B. Smoking is not permitted within any Federal building or within 25 feet of entrances, operable windows, or outdoor air intakes.

C. Public Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public.

3.2 On-site work hours: Work shall be generally performed during normal business working hours of 7 a.m. to 5 p.m., Monday through Friday, except when otherwise indicated.

A. Work on Saturdays, Sundays, Federal holidays, early morning, or at night may not be performed without prior consent from the CO and COR. Submit requests for work outside of the stated normal business hours to the CO and COR for approval at least 48 hours in advance of the work.

The following Federal holidays are observed by the National Park Service:

New Year Day Martin Luther King, Jr’s Birthday Washington’s Birthday Memorial Day

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Juneteenth National Independence Day Independence Day Labor Day Columbus Day Veterans Day Thanksgiving Day Christmas Day

B. Note: Any of the above holidays falling on a Saturday will be observed on the preceding Friday;

holidays falling on Sunday will be observed on the following Monday. The specific day that each holiday is recognized for each year can be found at the following site: Federal Holidays (opm.gov).

3.3 Contractor Use of Site:

A. General: Contractor shall have limited use of the site for demolition operations. Limit use of premises to footprint of the structure, driveway, detached garage, trees, and Rte 401. Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Limits: Heavy equipment will be confined to the driveway, footprint of the housing structure, access to garage area, trees and Route 401. Restricted area will be identified by Park Service and briefed to contractor prior to demolition.

C. Driveways, Entrances and Route 401: Asphalt will be removed and hauled to disposal site. A straight cutline will be at Reservation Route 401 and Reservation Ave. Reservations Ave will remain open for vehicle traffic.

D. Limit site disturbance, including earthwork and clearing of vegetation, to:

a. 2 feet beyond building perimeter

b. 2 feet beyond surface walkways, patios, surface parking, and utilities less than 12 inches in diameter

c. 2 feet beyond primary roadway curbs and main utility branch trenches

d. Removal of shrub and tree stumps and root system with minimal ground disturbance

E. Utilities

a. General: Cost or use charges for temporary facilities shall be included in the Contract

Sum as required.

b. Water Service: Water from existing water system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for operations without any additional permit costs. Use resources wisely and minimize waste of water.

c. Electric Power Service: Electric power from existing system is available for use without metering and without payment of use charges. Provide connections and extensions of services as required for operations without any additional permit costs. Power may or may not meet your power tool requirements, provide generators if questionable. Use power in a resourceful manner and avoid excess power waste.

d. Toilets: Contractor provided for contracting personnel, sufficiently lighted and ventilated toilet facilities in weatherproof, sight proof, handicap accessible (if required), sturdy https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/#url=2022 https://www.opm.gov/policy-data-oversight/pay-leave/federal-holidays/#url=2022

Page | 6 enclosures with privacy locks. Coordinate with COR for approved location if not shown on attached site plan.

F. Security and Protection facilities:

1 Environmental Protection: Provide protection, operate temporary facilities, and conduct work in ways and by methods that comply with state and federal environmental regulations and that minimize possible air, waterway, and subsoil contamination or pollution or other undesirable effects.

2 . Cleaning of Equipment: The Contractor shall ensure that prior to moving on to the Project Area, all equipment, is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds. Ensure that all equipment has been pressure washed and is free of exotic species prior to start-up of operations and moving of equipment to Project Area. Equipment shall be considered free of soil, seeds, and other debris when a visual inspection by Service, does not disclose such material. Disassembly of equipment components or specialized inspection tools are not required.

3 Tree and Plant Protection: All Shrubs and trees shall be removed within the work area except the restricted area.

4 Pest Control: Follow best practices to minimize attraction and harboring of rodents, roaches, and other pests and to perform extermination and control procedures at regular intervals so Project will be free of pests and their residues at project completion. Perform control operations lawfully, using environmentally safe materials.

5 Site Enclosure Fence: Before construction operations begin, furnish and install portable fencing in a manner that will prevent people and animals from easily entering site and or storage areas except by entrance gates.

b. Extent of Fence: As required to enclose portion determined sufficient to accommodate construction operations and storage

c. Locate vehicular gates or barricades to avoid interference with traffic on public thoroughfares.

3.4 Storage - Staging Areas:

A. A. Confine Storage of materials and equipment to the project area, see Limited Construction

Map B. On-site storage or sale of removed items or materials is not permitted.

3.5 Preservation of Natural Features: NONE

3.6 Hauling Restrictions: Contractor to verify path to site and meet state and county road requirements and height restrictions for all park work/access.

3.7 Housekeeping:

A. Keep project neat, orderly, and in a safe condition at all times.

a. Dispose of waste materials and recycling legally outside the park. The contractor shall not use park dumpsters

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b. Address Recycling: Government goal is to salvage and recycle as much nonhazardous waste as possible. Use sustainable methods to extent possible during this project, recycling material as is probable with local means. Maintain accurate documentary records for submittal of all recycled materials used including fly ash and slag cement.

3.8 Photo Documentation:

Contractor must provide existing condition, progress and completion photos. All photos shall be in focus, show maximum range of depth of field general photo and then close up detail photo as needed. Shall be in JPEG digital form and submitted electronically by email within 7 days from time of taken or as approved by COR.

A. Existing Condition Images:

a. Before starting construction, take color, dated, digital images of project site and adjacent property/roads/etc. that may be impacted by construction activity/traffic.

Include existing items to remain or be salvaged from different vantage points and with context for location identification.

B. Construction Progress Images:

1. Document all sub-surface work/ trenches etc. prior to backfill with photos covering enough overall field view to show location and then zoom in for details. (Locations and dimensions shall also be noted on as built drawing set.)

2. Maintain organized index for photos with date, description, etc..

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

C. Completion Images:

1. Document all completed work within scope of work.

2. Maintain organized index for photos with date, description, etc..

3. Additional images as needed when questions or emergency situations occur. Submit within 24 hours.

3.9 Fire and Life Safety:

1 Comply with the requirements of NFPA.

2 Store and handle hazardous materials in accordance with manufacturer’s and OSHA 29CFR1926 Subpart D requirements 1926 | Occupational Safety and Health Administration (osha.gov).

Maintain readily available, on site, MSDS/Safety Data Sheets (SDS) for each chemical.

i. Immediately report all spills of hazardous materials to the CO, COR and park.

ii. Maintain a spill emergency response kit.

iii. Train employees how to respond to a spill and use an emergency response kit.

3.10 Noise and Acoustics Management

https://www.osha.gov/laws-regs/regulations/standardnumber/1926

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A. Noise Control: Perform demolition operations to minimize noise. Perform noise-producing work in less sensitive hours of the day or week as directed by the Contracting Officer.

B. Repetitive and/or intermittent, high-level noise: Permitted only during Daytime.

1. Do not exceed the following dB(A) limitations at 50 feet:

Sound Level in dB(A) Time Duration of Impact Noise 70 More than 12 minutes in any hour 80 More than 3 minutes in any hour

2. Maximum permissible equipment noise levels at 50 feet:

EARTHMOVING dB(A) MATERIALS HANDLING dB(A) Compressors 75 Pneumatic Tools 80 Pumps 75 Saws 75 Generators 75 Vibrators 75

C. Ambient Noise:

1. Maximum noise levels (dB) for receiving noise area at property line shall be as follows:

a. Residential receiving area :

Daytime: 65 dB Nighttime: 45 dB

b. Commercial/Industrial receiving area:

Daytime: 67 dB Nighttime: 65 dB

ITEM 4 - EXAMINATION OF THE SITE

4.1 All interested contractors are urged to visit the job site and examine existing conditions before submitting quotes. Contractors will be expected to complete the work as quoted.

ITEM 5 – SUBMITTALS

5.1 General Submittal Procedures:

A. General: Prepare and submit submittals for approved equipment as specified

1. CM-16 Transmittal Form: All submittals shall be transmitted via electronic email using

National Park Service form CM-16 form. The form will be provided by the Contracting Officer.

ITEM 6 – TEMPORARY SERVICES

6.1 It is the Contractor’s responsibility to provide temporary services, equipment, tools, and skilled labor as required for the chosen means and methods to perform the work in accomplishing this Contract.

ITEM 7 - PROJECT CLOSEOUT

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7.1 Cleaning: Remove all tools, equipment, surplus materials, and rubbish. At time of final inspection, project shall be thoroughly clean and ready for intended use.

7.2 Completion: Contractor shall request a final inspection to the Contracting Officer and COR.

7.3 Warranties

A. Workmanship Warranty will be based on project acceptance and will remain in effect for 1 year following acceptance. The contractor will also support manufacturer warrantied items and repair work during this period.

B. Provide all manufacturer warranty information of products installed. All contact information, extent of coverage and conditions shall be clearly noted as well as date of overall final acceptance.

C. Information shall include operation and maintenance manuals for each warranted product.

END OF SECTION

DIVISION 2 – DEMOLITION

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SECTION 024116 - STRUCTURE DEMOLITION

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes: See Division 1 - Bid items

1.2 MATERIALS OWNERSHIP

A. Unless otherwise indicated, demolition waste becomes property of Contractor.

B. Historic items, relics, antiques, and similar objects including, but not limited to, cornerstones and their contents, commemorative plaques and tablets, and other items of interest or value to Service that may be uncovered during demolition remain the property of Service. Encountering an item list above, work will stop in the area until the Service can classify and remove the item.

1.3 PRE-DEMOLITION MEETINGS

A. Pre-demolition Conference: Conduct conference on site and prior to demolition activities commence, coordinate location, time and attendance of conference.

1.4 INFORMATIONAL SUBMITTALS

A. Proposed Protection Measures: Submit report, including Drawings, that indicates the measures proposed for protecting individuals and property; for dust control, traffic control and for noise control. Indicate proposed locations and construction of barriers.

B. See Division 1 “Submittals”

1.5 CLOSEOUT SUBMITTALS

A. Certified and completed MNPCA Notification to Perform Demolition of Structure Form

B. HAZMAT final clearance report

1.6 QUALITY ASSURANCE

A. Service will provide field inspections throughout the project cycle.

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1.7 FIELD CONDITIONS

A. Buildings to be demolished will be vacated and their use discontinued before start of the Work.

Provide not less than 24-hour notice of activities that will affect operations of adjacent occupied buildings.

B. Conditions existing at time of inspection for bidding purpose will be maintained by Service as far as practical. Before building demolition, Service will remove the following items.

C. Hazardous Materials: Hazardous materials will be encountered in the Work; preliminary inspection has been completed. See report attached from EMSL Analytical, Inc. Dated 11/18/2020

1. Hazardous materials will be removed by the contractor before start of the demolition of

Building 3.

2. If other materials suspected of containing hazardous materials are encountered, do not disturb; immediately notify the Service. Hazardous materials will be removed by the contractor with appropriate contract adjustments.

3. Contractor will be responsible for removal of HAZMAT material, and reinspection with a final report submitted to the Park.

D. On-site storage or sale of removed items or materials is not permitted.

PART 2 PRODUCTS

2.1 PERFORMANCE REQUIREMENTS

A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning demolition. Comply with hauling and disposal regulations of authorities having jurisdiction

(AHJ).

B. Standards: Comply with ANSI/ASSE A10.6 and NFPA 241.

2.2 SOIL MATERIALS

A. Satisfactory Soils: See Service approve borrow pits for topsoil. TBD

PART 3 EXECUTION

3.1 EXAMINATION Verify that utilities with local utility providers that utilities have been disconnected and capped before starting demolition operations.

A. Inventory and record the condition of items to be removed and salvaged.

3.2 PREPARATION

SCHEDULE 1 - Verify and maintain traffic control measures

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SCHEDULE 2 - Verify haul weight restrictions SCHEDULE 3 - Verify certified dump site SCHEDULE 4 - Inspect building for issues prior to demolition

3.3 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS

A. Existing Utilities to be Disconnected: Locate, identify, disconnect, and seal or cap off utilities serving buildings and structures to be demolished.

1. See Division 1 ITEM 2 – EXISTING UTILITIES

2. Shutting off utilities is responsibility of Contractor.

3. Cut off pipe or conduit a minimum of 24 inches below grade. Cap, valve, or plug and seal remaining portion of pipe or conduit after bypassing according to requirements of authorities having jurisdiction.

4. Furnace will be disconnected and disposed of

5. Air conditioning system will be purged by a qualified technician, disconnected and disposed of

6. Fire hydrant near the garage will be removed and relocated to Visitor Center replacing existing hydrant. Contractor will remove and relocate hydrant.

PART 4 PROTECTION

4.1 Existing Facilities: Protect adjacent walkways, loading docks, building entries, and other building facilities during demolition operations. Maintain exits from existing buildings.

A. Temporary Shoring: Provide and maintain interior and exterior shoring, bracing, or structural support to preserve stability and prevent unexpected movement or collapse of construction being demolished.

B. Existing Utilities to Remain: Maintain utility services to remain and protect from damage during demolition operations. Do not interrupt existing utilities serving adjacent occupied or operating facilities unless authorized in writing by the Service and authorities having jurisdiction.

C. Temporary Protection: Erect temporary protection, such as walks, fences, railings, canopies, and covered passageways, where required by authorities having jurisdiction and as indicated.

1. Protect adjacent buildings and facilities from damage due to demolition activities.

2. Protect existing site improvements, appurtenances, and landscaping to remain.

3. Erect a plainly visible fence around drip line of individual trees or around perimeter drip line of groups of trees to remain.

4. Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain.

5. Provide protection to ensure safe passage of people around building demolition area and to and from occupied portions of adjacent buildings and structures.

6. Erect and maintain dustproof partitions and temporary enclosures to limit dust, noise, and dirt migration to occupied portions of adjacent buildings.

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D. Remove temporary barriers and protections where hazards no longer exist. Where open excavations or other hazardous conditions remain, leave temporary barriers and protections in place.

PART 5 DEMOLITION

5.1 General: Demolish indicated buildings, road, driveway, trees and site improvements completely. Use methods required to complete the Work within limitations of governing regulations and as follows:

A. Do not use cutting torches until work area is cleared of flammable materials. Maintain portable fire-suppression devices during flame-cutting operations

1. Maintain fire watch during and for at least 4 hours after flame-cutting operations

2. Maintain adequate ventilation when using cutting torches.

3. Hotworks Permit is required and requested through Facilities Management Division

4. Maintain equipment to demolition area

5. Protect historic sites, these will be identified during the per-construction meeting

B. Site Access and Temporary Controls: Conduct building demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities.

1. Do not close or obstruct streets, walks, walkways, or other adjacent occupied or used facilities without permission from Service and authorities having jurisdiction. Provide alternate routes around closed or obstructed trafficways if required by authorities having jurisdiction.

2. Use water mist and other suitable methods to limit spread of dust and dirt. Comply with governing environmental-protection regulations.

C. Explosives: Use of explosives is not permitted.

D. Proceed with demolition of structural framing members systematically, from higher to lower level. Complete building demolition operations above each floor or tier before disturbing supporting members on the next lower level.

E. Remove debris from elevated portions of the building by chute, hoist, or other device that will convey debris to grade level in a controlled descent.

F. Demolish foundation walls and other below-grade construction.

1. Remove below-grade construction, including foundation walls, and footings, completely and minimize further disturbance below footings.

G. Existing Utilities: Demolish existing utilities and below-grade utility structures that are within 1 foot outside footprint indicated for demolition. Abandon utilities outside this area.

H. Below-Grade Areas: Completely fill below-grade areas and voids resulting from building demolition operations with soil from Service approved borrow pit, if needed.

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I. Site Grading: Uniformly rough grade area of demolished construction to a smooth surface, free from irregular surface changes. Provide a smooth transition between adjacent existing grades and new grades.

J. Promptly repair damage to adjacent buildings caused by demolition operations.

PART 6 CLEANING

A. Remove demolition waste materials from Project site and dispose of them in an MNPCA -approved construction and demolition waste landfill acceptable to authorities having jurisdiction.

B. Do not burn demolished materials.

C. Clean adjacent structures and improvements of dust, dirt, and debris caused by building demolition operations. Return adjacent areas to condition existing before building demolition operations began.

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SECTION 311000 - SITE CLEARING

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply if provided, to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Removing existing trees, shrubs, and other vegetation.

2. Clearing and grubbing.

3. Stripping and stockpiling topsoil.

4. Removing above- and below-grade site improvements.

5. Disconnecting, capping or sealing, and abandoning site utilities in place.

B. Related Sections include the following:

1. Division 31 Section "Earth Moving" for soil materials, excavating, backfilling, and site grading.

2. Division 31 Section “Temporary Erosion and Sedimentation Control” for storm water erosion and sediment mitigation.

1.3 DEFINITIONS

A. Topsoil: Natural or cultivated surface-soil layer containing organic matter and sand, silt, and clay particles; friable, pervious, and black or a darker shade of brown, gray, or red than underlying subsoil; reasonably free of subsoil, clay lumps, gravel, and other objects more than 2 inches (50 mm) in diameter; and free of subsoil and weeds, roots, toxic materials, or other non-soil materials.

B. Tree Protection Zone: N/A

1.2 MATERIAL OWNERSHIP

A. Except for stripped topsoil or other materials indicated to be stockpiled or to remain on Service's property, cleared materials shall become Contractor's property and shall be removed from Project site.

1.3 SUBMITTALS

A. See Division 1 “Submittals”

1.4 QUALITY ASSURANCE

A. Preconstruction Conference: Conduct conference at Project site as directed by Service’s Representative prior to start of construction. Contractor to comply with

Page | 16 requirements, which may also be included in Division 1 Section "Project Management and Coordination."

1.5 PROJECT CONDITIONS

A. Traffic: Minimize interference with adjoining roads, streets, walks, and other adjacent occupied or used facilities during site-clearing operations.

1. Do not close or obstruct streets, walks, or other adjacent occupied or used facilities without permission from Service and authorities having jurisdiction.

2. Provide alternate routes around closed or obstructed traffic ways if required by authorities having jurisdiction.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. Satisfactory Soil Materials: Requirements for satisfactory soil materials are specified in

Division 31 Section "Earth Moving," (PART 2 – PRODUCTS).

B. Preference shall be given to materials that are manufactured, harvested, extracted, mined, quarried, etc. within a 50 - mile radius of the project site.

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect and maintain benchmarks, survey control points, monuments, property line pins and other reference points from disturbance during construction. If disturbed or destroyed, restore or replace at no cost to Service.

B. Provide erosion control measures to prevent soil erosion and discharge of soil-bearing water runoff or airborne dust from leaving project site.

C. Protect existing site improvements to remain from damage during construction.

D. Contractor will locate, identify, arrange for disconnect and seal or cap off utilities indicated to be removed before site clearing.

1. Verify that utilities indicated as abandoned have been disconnected and capped before proceeding with site clearing.

2. Arrange with utility companies having jurisdiction to shut off indicated utilities.

E. Existing Utilities: SEE DIVISION 1 ITEM 2 – EXISTING UTILITIES

F. Excavate for and remove underground utilities indicated to be removed.

G. Removal of underground utilities may also be included in Division 2 Sections covering site utilities.

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H. After removal of underground utilities, as indicated, properly cap and/or plug existing lines to remain in accordance with authorities having jurisdiction.

3.2 CLEARING AND GRUBBING

A. Remove obstructions, trees, shrubs, grass, and other vegetation to permit restoration. Removal includes digging out stumps and obstructions and grubbing roots.

1. Grind stumps and completely remove roots, obstructions, and debris extending to a depth of 18 inches below exposed subgrade.

2. Chip removed tree branches and stockpile in areas approved by Service’s Representative or dispose at approved disposal site.

B. Fill depressions caused by clearing and grubbing operations with satisfactory soil material unless further excavation or earth moving is indicated.

1. Place fill material in horizontal layers not exceeding a loose depth of 8 inches and compact each layer to a density equal to adjacent original ground.

3.3 TOPSOIL STRIPPING

A. Strip topsoil to whatever depths are encountered or as determined by Service in a manner to prevent intermingling with underlying subsoil or other waste materials.

1. Remove subsoil and non-soil materials from topsoil, including trash, debris, weeds, roots, and other waste materials.

B. Stockpile topsoil materials away from edge of excavations without intermixing with subsoil. Grade and shape stockpiles to drain surface water. Cover to prevent windblown dust.

1. Limit height of topsoil stockpiles to 72 inches unless authorized by Service’s Representative.

2. Dispose of excess topsoil as specified for waste material disposal.

3. Stockpile surplus topsoil to allow for re-spreading a thicker layer of topsoil.

3.4 SITE IMPROVEMENTS

A. Remove existing above and below grade improvements as indicated and as necessary to demolish old construction.

B. Remove slabs, paving, curbs, gutters, and aggregate base approved by Service.

1. Unless existing full-depth joints coincide with line of demolition, neatly saw-cut length of existing pavement to remain before removing existing pavement. Saw-cut faces vertically.

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C. Remove existing fill. Remove existing base and subbase course to match natural a curing slope to prevent ponding of water runoff.

3.5 DISPOSAL

A. Disposal: Remove surplus soil material, unsuitable topsoil, obstructions, demolished materials, and waste materials including trash and debris, and legally dispose of them off Service's property.

B. Separate recyclable materials: SEE DIVISION 1 ITEM 3.7 HOUSKEEPING

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SECTION 31 11 60 - WEED ERADICATION

1.1 SUMMARY

A. The work under this section consists of furnishing all labor, materials and equipment for the chemical spraying of existing seeded areas (not Section here) to eradicate weeds in preparation for and post-seeding and as designated by the CO. Contractors must comply with NPS pest Management Policies (copy provided by COR). Areas seeded with a cover crop (Avena sativa) and areas seeded with prairie and streambank seed mixes per section (32 92 00) will be evaluated for invasive species and treated by either spot treatment or broadcast treatment warranted by the level of invasive species presence.

1.2 Referenced Standards

A. NPS Integrated Pest Management Policy

1.3 INFORMATIONAL SUBMITTALS

A. Application Logs for Chemicals: Submit logs to the Park Integrated Pest Management (IPM) Coordinator every 30 days.

1.4 ACTION SUBMITTALS

A. At least 30 days prior to intended use submit product literature to the Park Natural Resource Manager for regional review and approval prior to purchase and use. Approval for use is good for the remainder of the calendar year. Product literature will be submitted for review and approval each calendar year.

B. Product literature:

1. Label and Safety Data Sheet for each herbicide and any adjuvants (if required by herbicide label) to be used.

C. Commercial Pesticide Applicators License

1. Pesticide applications will only be performed by a certified applicator licensed under the procedures for the State of Minnesota. Submit license documentation for the contractor completing the work for herbicide application.

1.5 QUALITY ASSURANCE

A. Mixing, applying and/or disposing of herbicides shall always be in accordance with instructions on their labels and all applicable federal, state, and local regulations. All applicators must wear the required personal protective equipment specified on the herbicide label.

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B. Take precautions to avoid herbicide applications before or during rain or precipitation events.

Monitor weather conditions and adjusting the work schedule as appropriate for the herbicide and application method to be used.

C. Ensure two weeks between herbicide application and last mowing of seeded areas.

D. Assume responsibility for any damage to trees, shrubbery or vegetated areas beyond the target area.

E. Ensure the public does not enter the work area while herbicide application or spraying is underway, providing for public notification of sprayed areas by posting signage or flags.

F. Broadcast seed over treated areas with the appropriate cover crop or seed mix as in section (32 92 00).

1.6 CERTIFICATION OF CHEMICALS BY NPS STAFF CONTACT

A. Contractor will contact Park Natural Resources Manager and COR to submit a pesticide use request for any herbicide/adjuvant/additive that may be used for weed control. Requests will be reviewed on a case-by-case basis, taking into account environmental effects and other relevant considerations. shall be submitted to the NPS designee, for review and approval for use.

B. Once approved, maintain a log of chemical use, including:

1. Date of application

2. Product(s) and rate applied

3. Quantity applied at each application

4. Total area of application

5. Target species

6. Any additional information required by the State of Minnesota for Commercial Pesticide

Applicators.

C. Submit use logs to the NPS Natural Resource Manager every 30 days.

D. NPS staff contact is:

1. Seth Hendricks

Natural resources Manager Pipestone National Monument 36 Reservation Ave Pipestone, MN

(507) 825-5464 x 222

PART 2 - MATERIALS

2.1 HERBICIDE

A. Preferred herbicide active ingredients include: Aminopyralid, Triclopyr choline, Glyphosate, and Sethoxydim/Clethodim or other chemicals may be submitted for review and approval if agreed

Page | 21 upon by NPS staff and Natural Resource Manager to inhibit undesirable plant growth. Chemical used shall be based upon the identified target non-native species.

1. Liquid application, using dilution and application rates per manufacturer’s product literature.

2.2 POTENTIAL UNDESIRABLE PLANT SPECIES

Potential undesirable plant species include herbaceous graminoid and forb species as well as woody species, as noted by park staff and may include but are not limited to:

Table #

Species Family Life History Notes Herbacious species bluegrass- non-native (Poa spp.)

Poaceae Perennial monocot Rhizomatous cool season

Canada thistle (Cirsium canadense)

Asteraceae Perennial dicot rhizomatous crown vetch (Coronilla varia)

Fabaceae Perennial dicot garlic mustard (Alliaria petiolata)

Brassicaceae Biennial dicot poison hemlock (Conium maculatum)

Apiaceae Biennial dicot Apply herbicides post-emergence and pre-budding stage, pre-bolting / rapidly growing stage is best. Can germinate multiple times per year.

reed canarygrass (Phalaris arundinacea)

Poaceae Perennial monocot Rhizomatous cool season smooth brome (Bromus inermis)

Poaceae perennial monocot Rhizomatous cool season sweetclover (Melilotus spp.)

Fabaceae Biennial dicot

Wild parsnip (Pastinaca sativa)

Apiaceae Biennial dicot

Woody species Autumn olive (Elaeagnus umbellate)

Elaeagnaceae Perennial dicot

Honeysuckle- non-native (Lonicera spp.)

Caprifoliaceae Perennial dicot

White mulberry (Morus alba)

Moraceae Perennial dicot

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PART 3 - EXECUTION

3.1 HERBICIDE APPLICATION

A. As directed by the CO, provide appropriate herbicide to best target the predominant undesirable species noted in table# or additional species identified and communicated to the COR. Apply necessary chemicals at the rate and frequency for best target treatment according to label instructions. Quantitatively evaluate the success of the first application communicating the percentage of effectiveness to the COR and NPS staff representative to determine whether and how many additional applications are required for the remainder of the growing season.

B. If herbicide treatment adversely impacts the existing cover crop stand (Avena sativa), reseed the cover crop at a rate of 40 lbs per acre using a seed drill, to seed into the existing vegetation per (32 92 00)

3.2 CHEMICAL APPLICATION

A. Application of herbicides shall be made by landscape professionals certified as either Registered Technicians or Commercial Applicators through the state of Minnesota. Applicator shall have five years minimum experience treating and identifying the non-native target species noted in the table above.

END OF SECTION 31 11 60

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SECTION 312000 - EARTH MOVING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. General provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

1.2 SUMMARY

A. This Section includes the following:

1. Preparing and grading subgrades after removal of buildings, road, driveway and landscaping.

2. Excavating and backfilling for buildings and structures including over excavation of existing unsatisfactory on-site soil materials. and replacement of structural fill.

B. Related Sections include the following:

1. Division 31 Section "Site Clearing" site stripping, grubbing, stripping and stockpiling topsoil, and removal of above- and below-grade improvements and utilities.

2. “Temporary Erosion and Sedimentation Control” for erosion and sedimentation control measures.

C. Permits and Fees: Obtain and pay for all permits and fees required for the work of this section, including erosion and sediment control and water quality permits required by the local submit requests through the COR.

1.3 DEFINITIONS

A. Backfill: Soil material used to fill an excavation.

1. Initial Backfill: Backfill placed beside and over pipe in a trench, including haunches to support sides of pipe.

2. Final Backfill: Backfill placed over initial backfill to fill a trench.

B. Base Course: Course placed between the subgrade course and hot-mix asphalt paving.

C. Bedding Course: Course placed over the excavated subgrade in a trench before laying pipe.

D. Borrow Soil: Satisfactory soil imported from off-site for use as fill or backfill approved by the Service.

E. Drainage Course: Course supporting the slab-on-grade that also minimizes upward capillary flow of pore water.

F. Excavation: Removal of all material of whatever character required for the work encountered above subgrade elevations and to lines and dimensions indicated, including boulders.

See Section 3.4 for definition of unclassified and classified excavation.

Page | 24

G. Authorized Additional Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions as directed or approved by the Service Representative. Authorized additional excavation and replacement material will be paid for according to Contract Provisions for changes in the Work.

H. Bulk Excavation: Excavation more than 10 feet in width and more than 30 feet in length.

I. Unauthorized Excavation: Excavation below subgrade elevations or beyond indicated lines and dimensions without direction by Services Representative. Unauthorized excavation including disposition of over-excavated materials and other work resulting from slides, cave-ins, swelling, upheaval, or remedial work, as well as remedial work directed by Services Representative, shall be without additional compensation.

J. Fill: Fill is all material placed to raise the grade of the site or to backfill excavation, approved by the Service

L. Underslab Gravel: N/A

M. Structures: Buildings, footings, foundations, retaining walls, slabs, tanks, curbs, mechanical and electrical appurtenances, or other man-made stationary features constructed above or below the ground surface.

N. Subgrade: Surface or elevation remaining after completing excavation, or top surface of a fill or backfill immediately below subbase, drainage fill, or topsoil materials.

O. Utilities: Include on-site underground pipes, conduits, ducts, and cables, as well as underground services within buildings.

1.4 SUBMITTALS

A. Material Test Reports: Provided by Contractor from a qualified testing agency indicating and interpreting test results for compliance of the following with requirements indicated:

B. Classification according to ASTM D 2487 of each on-site or borrow soil material proposed for fill and backfill.

C. Pre-excavation Photographs or Videotape: By Service

1.5 QUALITY ASSURANCE

A. Comply with applicable codes, ordinances, regulations, references and standards in effect at bid date:

1. Uniform Building Code (UBC) or International Building Code (IBC) per jurisdiction criteria.

Page | 25

2. American Society for Testing and Materials (test methods as specified hereafter)

(ASTM).

3. State and local codes.

B. In case of conflict between the above codes, regulations, references and standards and these specifications, the more stringent requirements shall govern.

C. For approval of imported or on-site fill material, notify the Service at least four (4) working days in advance of intention to import material, designate the proposed borrow area and permit the Service to sample as necessary from the borrow area.

D. Preconstruction Conference: SEE DIVISION 1 ITEM 8

1.6 PROJECT CONDITIONS

A. Existing Utilities: SEE DIVISION 1 ITEM 2 – EXISTING UTILITIES

B. Remove all existing fill deemed to be unsatisfactorily placed.

C. Existing Contours and Elevations: Contours and spot elevations of existing ground elevations at the site, and approximate elevations of finish grade cuts, fills, and excavations for the work will reflect natural occurring slops and to prevent pooling of water runoff. Contours and elevations for existing ground lines are based on information provided by others, and are believed to be correct, but may not be absolutely so. Existing contours and elevations should therefore be considered approximate and should be verified at the site prior to construction.

PART 2 - PRODUCTS

2.1 SOIL MATERIALS

A. General: Provide borrow soil materials when sufficient satisfactory soil materials are not available from excavations.

B. Satisfactory Soils: Shall meet approval of the Service and shall be free of rock or gravel larger than 3 inches in any dimension, debris, waste, frozen materials, vegetation, and other deleterious matter. Soil shall be determined free of any archeological material by an archeologist and/or Traditional Cultural Specialist. Clean, on-site, natural soils, or imported materials, as approved by the PIPE Natural Resource Manager.

C. Preference shall be given to materials that are manufactured, harvested, extracted, mined, quarried, etc. within a 50 - mile radius of the project site.

PART 3 - EXECUTION

Page | 26

3.1 PREPARATION

A. Protect structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earth moving operations.

B. Preparation of subgrade for earth moving operations including removal of vegetation, topsoil, debris, obstructions, and deleterious materials from ground surface is specified in Division 31 Section "Site Clearing."

C. Protect and maintain erosion and sedimentation controls, SEE Division 31 Section "Temporary Erosion and Sediment Control,"

3.2 DEWATERING

A. Protection of Persons and Property:

1. Provide all necessary measures to protect workmen and passersby. Barricade open excavations occurring as part of the Work, as required by municipal or other authorities having jurisdiction.

2. Protect adjacent streets, roadways, and properties throughout the entire operation.

Protect newly graded areas from destruction by weather or runoff. Protect structures, utilities, sidewalks, pavements, and other improvements from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earth moving operations.

3.3 EXPLOSIVES

A. Explosives: Do not use explosives.

3.4 EXCAVATION, GENERAL

A. Unclassified Excavation: All excavation (other than rock excavation) is considered as unclassified and is defined as removal of all material encountered, regardless of soil type.

1. If excavated materials intended for fill and backfill include unsatisfactory soil materials and rock, replace with satisfactory soil materials approved by the Service.

2. Remove material of every nature or description encountered in obtaining required lines and grades.

B. Classified Excavation: Excavate to subgrade elevations. Material to be excavated will be classified as earth excavation and rock excavation. Do not excavate rock until it has been classified and cross sectioned by Service’s Representative.

1. Earth excavation includes excavating pavements and obstructions visible on surface; underground structures, utilities, and other items indicated to be removed;

Page | 27 together with soil, boulders, and other materials not classified as rock or unauthorized excavation.

C. Stability:

1. Slope sides of excavations in compliance with OSHA requirements and local codes or ordinances. Shore and brace where sloping is not possible because of space restrictions or stability of material excavated.

2. Continuously monitor cut slopes for distress. Take all necessary precautions to safeguard workers, structures, and utilities.

D. Unanticipated Conditions: Notify the Service’s Representative immediately upon finding evidence of previous structures or filled materials which penetrate below designated excavation levels, groundwater or water-bearing strata, or other conditions which are not shown, or which cannot be reasonably assumed from existing surveys and geotechnical reports. Secure the Service’s Representative instruction before proceeding with further work in such areas.

3.5 BACKFILL

A. Place and compact backfill in excavations promptly, but not before completing the following:

1. Removing trash and debris.

3.6 SOIL FILL

A. Preparation: Remove vegetation, topsoil, debris, unsatisfactory soil materials, obstructions, and deleterious materials from ground surface before placing fills.

1. Bench or break up sloped surfaces steeper than 1 vertical to 4 horizontals so fill material will bond with existing material.

2. In areas of fill, back drag area in natural soil following removal of unsatisfactory material, to a depth of 8- inches.

3.7 SOIL MOISTURE CONTROL

A. Do not place backfill or fill soil material on surfaces that are muddy, frozen, or contain frost or ice.

3.8 COMPACTION OF SOIL BACKFILLS AND FILLS

A. Place backfill and fill soil materials in layers not more than 8 inches in loose depth for material compacted by heavy compaction equipment, and not more than 4 inches in loose depth for material compacted by hand-operated tampers.

B. Compact soil materials to not less than the following percentages of maximum dry unit weight according to ASTM D 698:

1. Under lawn or unpaved areas, compact with smooth drum roller.

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3.9 GRADING

A. General: Uniformly grade areas to a smooth surface, free of irregular surface changes.

Comply with compaction requirements and grade to cross sections, lines, and elevations indicated.

1. Provide a smooth transition between adjacent existing grades and new grades.

3.10 SUBBASE AND BASE COURSES

A. Remove base and subgrade material under buildings, driveways and service road to the depth of:

1. Building: Approximately 24 inches

2. Driveway: Approximately 12 inches

3. Route 401: Approximately 24 inches

3.11 PROTECTION

A. Protecting Graded Areas: Protect newly graded areas from erosion. Keep free of trash and debris.

B. Repair and reestablish grades to specified tolerances where completed or partially completed surfaces become eroded, rutted, settled, or where they lose compaction due to subsequent construction operations or weather conditions.

1. Remove and replace soil material to depth as directed by Service’s Representative; reshape and recompact.

C. Where settling occurs before Project correction period elapses, remove finished surfacing, backfill with additional soil material, compact, and reconstruct surfacing.

1. Restore appearance, quality, and condition of finished surfacing to match adjacent work, and eliminate evidence of restoration to greatest extent possible.

D. Hydro mulch will be broadcasted on the area exposed to soil transport in a rain event and high winds. The two types of material are Bonded Fiber Matrix or Blended Mulch.

E. Seeding

1. Provide mechanical seeding. See SECTION 32 92 00 Landscape and Seeding

2. Certified weed free, State of Minnesota prairie grass mix and seeding rate and approved by the PIPE Natural Resource Manager

F. Wattles - provide straw wattles with non-synthetic casing to areas to control washouts

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3.12 DISPOSAL OF SURPLUS AND WASTE MATERIALS

A. Disposal: Transport surplus satisfactory soil to designated storage areas on Park property.

Stockpile or spread soil as…