Atch_1_Specifications-SOW.pdf

THEODORE ROOSEVELT NATIONAL PARK

NORTH DAKOTA

HQ AREA STREET AND SIDEWALK REPLACEMENT

THRO

PMIS NO. 241639

PROJECT SPECIFICATIONS

Construction Documents

NATIONAL PARK SERVICE

INTERIOR REGIONS 3,4,5

FEBRUARY 2022

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Table of Contents

TABLE OF CONTENTS

DIVISION 00 — PROCUREMENT AND CONTRACTING REQUIREMENTS

00 01 07 - SEALS AND SIGNATURES

DIVISION 01 — GENERAL REQUIREMENTS

01 10 00 - SHORT FORM GENERAL REQUIREMENTS

DIVISION 31 — EARTHWORK

31 10 00 - SITE CLEARING

31 22 00 - SITE GRADING

DIVISION 32 — EXTERIOR IMPROVEMENTS

32 12 16 - ASPHALTIC CONCRETE VEHICULAR PAVING

32 13 13 - CONCRETE PAVEMENT

32 15 40 - CRUSHED STONE SURFACING

32 16 13 - CONCRETE CURB AND GUTTER

32 16 23 - CONCRETE SIDEWALK AND STEPS

32 91 13 - TOPSOILING AND FINISHED GRADING

32 92 00 - SEEDING, SODDING AND LANDSCAPING

DIVISION 33 — UTILITIES

33 40 00 - STORM DRAINAGE SYSTEM

D I V I S I O N 0 0

PROCUREMENT AND CONTRACTING

REQUIREMENTS

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SEALS AND SIGNATURES

00 01 07 - SEALS AND SIGNATURES

I hereby certify that the portion of the Specifications described below was prepared by me or under my direct supervision and that I am a duly registered Professional Engineer under the laws of the State of North

Dakota.

Christopher M. Bailey, PE-28356 01/31/2022

Pages or Specifications divisions or sections covered by this seal:

Sections: All

END OF SEALS AND SIGNATURES

D I V I S I O N 0 1

GENERAL REQUIREMENTS

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SHORT FORM GENERAL REQUIREMENTS

2022/02/24

SECTION 01 10 00

DIVISION 1 SHORT FORM GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The existing 2nd Avenue and adjoining street pavements are asphalt sections of varying thickness that have reached the end of their functional life. A recent sewer project on 2nd Avenue patched back a temporary asphalt section so the entire roadway is in need of replacement. Due to increasing traffic and parking needs 2nd Avenue needs to be widened and additional parking stalls added where feasible. The base bid will include asphalt paving of the roadways. A section of the cast in place box culvert under 4th Street is also beginning to fail and in need of replacement. All sidewalks and driveways will be removed and replaced also to meet current ABAAS standards. Replacement of sidewalks and driveways beyond those required by the roadway replacement will be included as Bid Option #1. Bid

Option #2 would remove the asphalt pavement and replace with concrete pavement in the roadway as shown in the Plans.

1.2 Work Covered by the Contract Documents:

A. Project Location: Theodore Roosevelt National Park, South Unit Headquarters Area on 2nd Ave in Medora, ND.

B. Work consists of:

a. Replacement of the existing 2nd Avenue serving park housing and headquarters area, connecting roads 4th, 3rd, and Main Streets a length of one-half block to point of connection with Medora, ND municipal streets, and a segment of 3rd Avenue from the existing ND Cowboy Hall of Fame to intersection with East River Road. Work also includes replacement of sidewalks and the reconstruction of a failing cast-in-place box culvert under 4th Street.

b. Replacement shall include, but not limited to the following:

i. Replacement of the existing roadway pavements and curb profiles. Pavement replacement for the base bid is asphalt roadway with concrete parking areas.

Bid Option #2 will remove the asphalt pavement and replace with concrete pavement in the roadway as shown in the plans.

ii. Widen 2nd Avenue and the segment of 3rd Avenue to the north to accommodate increasing traffic loads, on street parking, and usage experienced by the Park.

iii. Replace existing sidewalks along the streets, incorporating ABAAS compliant crossings at road intersections. Bid option #1 is included for replacement of sidewalks beyond the curbside sidewalk to the front of the park housing units and

NPS admin facilities front stoops.

iv. Replace driveways at (8) single family units and (1) 4-plex housing unit. The approaches will be included in the base bid and the remainder of the driveways included in bid option #1 as shown in the plan sheets.

v. Replace existing cast-in-place box culvert under 4th Street with a new 36 IN equivalent diameter arch concrete pipe culvert.

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

Period of performance: Work on 3rd Avenue shall be completed within 30 calendar days of the date work starts on that segment of the project. Work on 2nd Avenue shall be completed within 120 calendar days of the start date provided on the Notice to Proceed. Exact phasing of the 2nd Avenue work shall be proposed by the contractor at the preconstruction meeting and approved by the COR. When dividing the work on 2nd Ave into subphases the contractor must evaluate how much of the work they can complete prior to winter setting in and potentially shutting down the project and propose their phasing accordingly. The Contractor must complete surface restoration and shall not leave any portion of 2nd Ave open and exposed to the elements if a winter shutdown is needed. The period of performance is inclusive of 14 weather days, this does not include any potential approved winter shutdown time.

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.

2.3.2 Hours for Utility Shutdowns: Shutdowns shall not exceed 2 to 3 hours. Temporary provisions will be needed by the Contractor for periods longer than stated allowance or if required for critical systems as determined by COR. The only anticipated shutdown is the street lighting for the light pole removal and resetting. Park staff indicated that the street lights are all on one circuit and the contractor shall coordinate with NPS and Rough Rider Electric to turn the circuit off when needed.

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.

https://www.nps.gov/thro/learn/management/superintendent-s-compendium.htm

A. No signs or advertisements (except those specified herein and as required for safety) shall be displayed on the construction 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.

https://nam12.safelinks.protection.outlook.com/?url=https%3A%2F%2Fwww.nps.gov%2Fthro%2Flearn%2Fmanagement%2Fsuperintendent-s-compendium.htm&data=04%7C01%7Cchristopher.bailey%40hdrinc.com%7C85b95de080e3433e1ca508d9d4810f8a%7C3667e201cbdc48b39b425d2d3f16e2a9%7C0%7C0%7C637774473046162319%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C3000&sdata=rBTOrfsamzYsMg7kCgz1EZwMlyrBZYRXpAacyt2Orr8%3D&reserved=0

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C. Public Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public. Residences will be occupied during construction and the

Contractor shall keep access to all residences to the maximum extent feasible during the roadway reconstruction.

3.2 On-site work hours: Work shall be generally performed during normal business working hours of 7 a.m. to 7 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

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 construction operations. Limit use of premises to construction area as shown on site plan. Do not disturb portions of Project site beyond areas in which the Work is indicated.

B. Limits: Construction limits and staging areas are shown on the plan sheets.

C. Driveways and Entrances: Keep driveways, access roads, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles to the maximum extend feasible. Do not use these areas for parking or storage of materials. Schedule deliveries to minimize use of driveways and entrances. Limit site disturbance, including earthwork and clearing of vegetation, to:

a. 10 feet beyond surface walkways, patios, surface parking, and utilities less than 12 inches in diameter.

b. 15 feet beyond primary roadway curbs and main utility branch trenches.

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

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D. 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 not available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Use resources wisely and minimize waste of water.

c. Electric Power Service: Electric power from existing system is not available for use without metering and without payment of use charges. Provide connections and extensions of services as required for construction operations without any additional permit costs. Power may or may not meet your construction 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 enclosures with privacy locks. Coordinate with COR for approved location if not shown on attached site plan.

E. Security and Protection facilities:

1. Environmental Protection: Provide protection, operate temporary facilities, and conduct construction 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 does not disclose such material. Disassembly of equipment components or specialized inspection tools are not required.

3. Tree and Plant Protection: Provide Tree Protection fence at drip line of trees impacted in construction area. Coordinate with COR.

a. Restore damaged areas to original condition, repairing or replacing damaged trees and plants, at no additional expense to the Government.

b. Provide temporary barriers to protect existing trees and plants and root zones.

c. Do not remove, injure, or destroy trees or other plants without prior approval.

Consult with Contracting Officer Representative and remove agreed-on roots and branches that interfere with construction.

d. Do not fasten ropes, cables, or guys to trees.

e. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

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.

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5. Site Enclosure Fence: N/A

6. Security Enclosure and Lockup: N/A

7. Temporary Enclosures: N/A

3.4 Storage - Staging Areas:

A. Confine Storage of materials and equipment to the project staging area noted on the plans.

Specific storage and staging area’s may be discussed at the preconstruction briefing (Limits of use and control shall be subject to Contracting Officer’s approval. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

3.5 Preservation of Natural Features: N/A

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

b. Address Recycling: Government goal is to salvage and recycle as much nonhazardous construction 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 Occupancy Requirements for Buildings:

A. Existing Buildings:

1. Full Government Occupancy: Government will occupy buildings adjacent to the construction during the entire contract period. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the Work so as not to interfere with Government's day-to-day operations. Maintain existing exits, unless otherwise indicated.

a. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities.

Coordinate with NPS when removals will occur at residences so residents can be notified and maintain passable access to residences at all times. Provide a minimum 7 calendar day notice prior to removals.

3.9 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 via CD-R Archival Gold or DVD-R Archival Gold media with printed labels and 8 mega pixels minimum within 7 days from time of taken or as approved by COR.

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A. Existing Condition Images:

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.

3.10 Fire and Life Safety:

As a minimum, conduct one weekly 15 minute "toolbox" safety meetings. These meetings shall be conducted by a foreman or supervisor and attended by all construction personnel at the worksite. Topics need to coincide with work scheduled for the following week. Document and submit meeting minutes to the CO and COR within one day after the meeting and document the meetings on the daily reports.

A. Comply with the requirements of NFPA 241 (Standard for Safeguarding Construction, Alteration, and Demolition Operations). Take all necessary precautions to prevent fire during construction. Provide adequate ventilation during use of volatile or noxious substances.

B. 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 the emergency response kit.

3.11 Noise and Acoustics Management

A. N/A.

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

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

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

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 construction equipment noise levels at 50 FT:

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 - COMMENCEMENT, PROSECUTION, AND COMPLETION

4.1 The Contractor shall commence work in accordance with the terms and conditions of the contract.

Contractor shall coordinate and incorporate long lead and delivery time items within the schedule.

ITEM 5 - EXAMINATION OF THE SITE

5.1 All bidders are urged to visit the job site and examine existing conditions before submitting bids.

Contractors will be accountable for understanding existing conditions. No cost changes for items viewable during site visit will be allowed.

ITEM 6 - ABBREVIATIONS

6.1 The list of abbreviations, standards and organizations which may be used in/referred within the

Construction Specifications or Special Provisions, may be found linked from the listed page below. On the home page, follow the link under “Contracting and Procurement” labeled “NPS Reference

Standards.”

https://www.nps.gov/orgs/1671/do-business-with-us.htm

ITEM 7 - ACCIDENT PREVENTION

7.1 Description: The work of this section consists of establishing and implementing an effective accident prevention program (APP) and providing a safe environment for all personnel and visitors.

7.2 Submittals:

https://www.nps.gov/orgs/1671/do-business-with-us.htm

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A. Accident Prevention (Safety) Plan (APP): Submit a site specific accident prevention (safety) plan. The Plan shall be written to comply with OSHA and project requirements (a generic plan is not acceptable) including but not limited to the following:

1. Name and qualifications of responsible supervisor to carry out the program.

2. First aid and rescue procedures.

3. Training, both initial and continuing.

4. Outline of each phase of the work, the hazards associated with each major phase, and the methods proposed to provide for property protection and safety of the public, National

Park Service personnel, and Contractor's employees. Identify the work included under each phase, with a Job Hazard Analysis (JHA)/Job Safety Analysis (JSA), etc. A sample JHA template may be provided upon request.

5. Planning for possible emergency situations, such as cave-ins, explosions, fires, floods, power outages, and wind storms. Such planning shall take into consideration the nature of construction, site conditions, and degree of exposure of persons and property.

6. Contractor to identify nearest location of medical facility for emergencies

7. Recognition that work will be performed in remote areas with limited communication or cell phone coverage if applicable.

8. Supplemental hazard specific plans may be required IAW 29 CFR 1926 or 1910.

B. Meeting and Inspection Reports: Safety Meetings: As a minimum, conduct 15 minute

"toolbox" safety meetings. These meetings shall be conducted by a foreman and attended by all construction personnel at the worksite. Submit a report of safety meetings and inspections to CO and COR within one day after the meeting and document the meetings on the daily reports.

7.3 Qualification of Employees:

A. Ensure that employees are physically qualified to perform their assigned duties in a safe manner to include operators of vehicles and equipment. Provide operating instructions for all equipment.

B. Do not allow employees to work whose ability or alertness is impaired because of drugs, fatigue, illness, intoxication, or other conditions that may expose themselves or others to injury.

7.4 Accident Reporting: The Contractor shall report all accidents to the CO and COR as soon as safely possible and assist the CO and COR and other officials as required in the investigation of the accident.

7.5 First Aid Facilities: Provide access to facilities for the number of employees and appropriate to the hazards associated with the types of ongoing construction work at the site.

7.6 Emergency Instructions: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

7.7 Personal Protective Equipment (PPE): It is the Contractor's responsibility to require all those working on or visiting the site to wear necessary protective equipment at all times.

A. PPE must meet requirements of applicable ANSI standards. Selection shall conform to OSHA

29CFR 1926 Subpart E.

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B. A hard hat use area shall be designated by the Contractor. The hard hat area shall be posted by the Contractor in a manner satisfactory to the Contracting Officer.

C. All PPE will be serviceable at all times. At a minimum, maintain four sets of PPE including hard hats and all other Accident Prevention Plan required equipment.

7.8 Hazardous Materials: It shall be the responsibility of all operators and contractors, functioning within the park to properly cleanup, mitigate and remediate if necessary, all unauthorized discharges of hazardous materials or non-hazardous chemical and biological products released from fleet and/or other support vehicles or stationary sources. Response shall be consistent with guidelines established by federal, state and local regulations, and as outlined within the operator's Safety or Hazardous Materials

Business Plan.

A. If a spill, leak or other release occurs, the operator shall as soon as possible, without impeding cleanup, notify the National Park Service Emergency Dispatch.

ITEM 8 - PRECONSTRUCTION CONFERENCE: If the Contracting Officer decides to conduct a preconstruction conference, the successful offeror will be notified and will be required to attend. The

Contracting Officer’s notification will include specific details regarding the date, time, and location of the conference, any need for attendance by subcontractors, and information regarding the items to be discussed. See Item 9.1C below.

ITEM 9 - SUBMITTALS

9.1 General Submittal Procedures:

A. General: Prepare and submit submittals required by individual Technical Specification

Sections. Types of submittals are indicated in individual specific sections.

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. No action will be taken on a submittal item unless accompanied by the CM-16 transmittal form. Submit completed CM-16 forms to the CO and the COR.

B. Submittal List: administrative required submittals are listed below in 9.1.C and does not include technical section submittal requirements included in each technical section.

C. Preconstruction Conference Submittal: Satisfactory evidence of liability insurance coverage and workman’s compensation, and any applicable bonds, must be submitted within 10 calendar days of Notice of Award. The following items shall be submitted a minimum of one week prior to the Preconstruction Conference. If all of these documents have not been received one week prior to the scheduled Pre-Construction Conference date, the conference will be cancelled, Notice to Proceed may not be issued, and the Contracting Officer will consider other contractual remedies. Work shall not commence until written Notice to Proceed has been issued. Contracting Officer will notify Contractor of tentative date for the Pre-

Construction Conference:

1. Letter designating Project Superintendent.

2. Construction Schedule (Must include shop drawings, procurement time including long lead time items, mobilization, trade work progression and completion at minimum).

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3. A comprehensive breakdown of the Schedule of Values.

4. Accident Prevention (Safety) Plan (See Section 7 of this document).

5. A list of Subcontractors for this project.

6. Written statements from subcontractors certifying compliance with applicable labor standard clauses (SF1413).

7. Quality Control Plan.

8. Waste Management Plan.

9. Temporary Storm Water Pollution Prevention Plan (SWPP or UPPP) Submitted to AHJ

(Authority Having Jurisdiction).

9.2 Shop Drawings, Product Data, and Samples: Contracting Officer will provide sample cover sheet.

A. Shop Drawings: Indicate all coordinating materials and work impacting the installation coordination, connection details, anchorage requirements, hardware locations, and installation details and locations.

1. Submit Shop Drawings according to Part 9.1 of this section to include one digital file (.PDF or .TIF) and two full size hardcopy documents to COR.

B. Product Data: Provide component construction and specification data sheets, anchorage requirements and any other product specific data.

1. Submit Product Data according to Part 9.1 of this section to include one digital file (.PDF or .TIF) to COR.

C. For submittals specified above, forward submittals to Contracting Officer and COR at least 15 days before need for approval.

D. After approving submittals, Contracting Officer and/or COR will return one copy to the Contractor.

If submittals are not approved, Contracting Officer will return all copies to Contractor with reasons for rejection. Resubmit, identifying changes. Any work done before approval shall be at

Contractor's own risk.

9.3 Approved Equals: If an item in this solicitation is identified as “brand name or equal” or lists more than 1 manufacturer, the description of the proposed item must reflect the characteristics and level of quality that will satisfy the Government’s needs as demonstrated by the salient physical, functional, or performance characteristics that “equal” products must meet and/or exceed that as specified in the solicitation or relevant specification.

A. For each item proposed as an “approved equal,” submit supporting data, including:

1. Drawings and samples as appropriate.

2. Comparison of the characteristics of the proposed item with that specified and with the salient characteristics provided.

3. Changes required in other elements of the work because of the substitution.

4. Name, address, and telephone number of vendor.

5. Manufacturer’s literature regarding installation, operation, and maintenance, including schematics for electrical and hydraulic systems, lubrication requirements, and parts lists. Describe availability of maintenance service, and state source of replacement materials.

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B. A request for approval constitutes a representation that Contractor:

1. Has investigated the proposed item and determined that it is equal or superior in all respects to that specified.

2. Will provide the same warranties for the proposed item as for the item specified.

3. Has determined that the proposed item is compatible with interfacing items.

4. Will coordinate the installation of an approved item and make all changes required in other elements of the work because of the substitution.

5. Waives all claims for additional expenses that may be incurred as a result of the substitution.

C. Approved Equals will be evaluated and approved/disapproved during the submittal process.

9.4 Progress Reporting: The initial Construction Schedule and Schedule of Values are required a minimum of one week prior to the Preconstruction Conference. After the Notice to Proceed is issued and after on-site work begins, progress will be documented via daily logs and by providing an updated

Construction Schedule and Schedule of Values when requested, but minimally with each pay application.

Submit digital copy electronically (PDF preferred) of all required documents. Construction Schedules are normally in bar chart form and indicate estimated starting and completion dates for each part of the work.

For a pay application to be reviewed and processed in a timely manner, the following information must either be submitted prior to or accompany submission of the pay application:

A. Daily/weekly progress reports during construction as part of the administration process.

B. Updated Schedule of Values: Breakdown each lump-sum item into component work activities used in the schedule, for which progress payments may be requested. The Schedule of Values will form the basis for payment. The work activities broken out within the schedule of values shall be integrated into and made a logical part of the construction baseline schedule submitted under this specification. The total costs for the component work activities shall equal the contract price for that lump-sum item. The Contracting Officer may request data to verify accuracy of dollar values. A sample Schedule of Values format may be provided upon request.

ITEM 10 – TEMPORARY SERVICES

10.1 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 11 - PROJECT CLOSEOUT

11.1 Description: The work of this section consists of final cleanup, closeout submittals, final inspection procedures working toward Final Acceptance.

11.2 Cleaning: Remove all tools, equipment, surplus materials, and rubbish. At time of final inspection, project shall be thoroughly clean and ready for intended use. Inspector holds the right to reschedule if project is not ready for inspection.

11.3 Completion and Final Inspection: Contractor shall submit written certification of project completion and request a final inspection to the Contracting Officer and COR. The Contracting Officer or designee will make an inspection within 10 days of receipt of request or at a mutually agreeable time.

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A. If the work is determined to be complete following the final inspection with minor comments, the

COR will prepare and provide the Contractor a Punch List noting outstanding items to be addressed.

B. If the work is not determined to be complete following the final inspection, the Contracting Officer will notify Contractor in writing, stating reasons. Contractor, after completing the work according to the Contract Documents, shall resubmit completion and request a new final inspection. Re-inspection costs may be charged against the Contractor in accordance with the Inspection of

Construction contract clause.

C. Contractor shall complete the Punch List within 30 calendar days or a time directed by the CO.

D. Once Contractor completes all items of work on the Punch List and all contractually required items are accepted, Contracting Officer will issue Letter of Final Acceptance of Work and request the final pay application.

E. If the Contractor fails to complete the work within the time frame, the Contracting Officer may correct the work with an appropriate reduction in contract price or charge for re-inspection costs in accordance with the Inspection of Construction contract clause.

F. Disposition of any permits and warranties required by the specifications in this Section.

11.4 Final Acceptance of the Work: After all punch list deficiencies have been corrected, a Letter of

Final Acceptance will be issued. A Release of Claims document must be executed and submitted to the

Contracting Officer before final payment can occur.

11.5 Warranties

A. Construction Warranty shall be based on date of final acceptance of the work and remain in effect for one year.

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

ITEM 12 - TEMPORARY STORM WATER POLLUTION PREVENTION

12.1 Description: The work of this section consists of implementing measures to prevent discharges of pollutants, including temporary storm water pollution during construction activities, either through compliance with the NPDES permit program; Or in conformance with NPS guidance for UPPPs.

12.2 After contract award and before the pre-construction conference, prepare and submit a SWPPP showing that the SWPPP satisfies all Federal and North Dakota DEQ NPDES permit requirements and includes the following information and forms.

A. Site description.

B. Identification and contract information for Pollution Prevention and Erosion Control Manager.

C. Expected sequencing of operations and construction schedule.

D. Weather monitoring procedure.

E. Descriptions and details BMPs for of pollution prevention and erosion controls, including dust control.

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F. Pollution prevention and erosion control plans.

G. Controls for other potential onsite storm water pollutants.

H. Applicable specifications.

I. Maintenance and inspection procedures and forms.

J. Description of potential non-storm water discharges at site.

K. Notice of Intent (NOI) form.

L. Notice of Termination (NOT) form.

M. Contractor and Sub-contractor Certification forms.

N. Other record keeping forms and procedures.

O. Housekeeping Best Management Practices, including vehicle wash-down areas, protection of equipment storage and maintenance areas, and sweeping of roadways related to hauling activities.

12.3 Notice of Intent (NOI): The Contractor shall file a Notice of Intent and formal SWPPP as required by NDDEQ. https://deq.nd.gov/WQ/2_NDPDES_Permits/7_Stormwater/StW.aspx

12.4 Notice of Termination (NOT): After Substantial Completion of the construction project, file a Notice of Termination (NOT) with NDDEQ.

12.5 COR Notification: The Contractor shall notify the COR in writing and by telephone of the following events:

A. The required erosion and sediment control meeting/briefing.

B. Following installation of required sediment control structures.

C. Prior to removal of or modification to sediment control structures.

D. Prior to removal of all sediment control structures.

12.6 Review and Acceptance: The Contractor and the COR will jointly review the draft Plan and agree to any needed revisions. The Contractor shall incorporate all revisions, sign, and submit the final Plan to the COR. The final Plan will be the document enforced on the project.

A. The accepted Plan will describe and ensure implementation of the practices which will be used to reduce the pollutants in storm water discharges.

B. The Contractor shall maintain a current copy of the Plan and all associated records and forms at the jobsite throughout the duration of the project.

C. The Plan shall be available at all times for public inspection and for the inspection and use of the COR.

D. Approval of Contractor’s Plan will not relieve the Contractor of responsibility for compliance with applicable environmental regulations.

E. Implementation: Implement the Plan as required throughout the construction period and maintain all erosion control elements in proper working order.

F. Do not perform clearing and grubbing or earthwork until the Plan has been implemented.

G. The SWPPP (including inspection forms) and all data used to complete the NOI shall be provided to the COR after Substantial Completion of the project.

12.7 REPORTING

A. If a discharge occurs or if the project receives a written notice or order from any regulatory agency, the Contractor will immediately notify the COR and will file a written report to the

Agency(ies) with Jurisdiction within 7 days of the discharge event, notice, or order.

Corrective measures shall be implemented immediately following the discharge, notice, or https://deq.nd.gov/WQ/2_NDPDES_Permits/7_Stormwater/StW.aspx

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order. The report to the Agency(ies) with Jurisdiction shall contain the following items at a minimum:

a. The date, time, location, nature of operation, and type of discharge, including the cause or nature of the notice or order.

b. The BMPs deployed before the discharge event, or prior to receiving the notice or order.

c. The date of deployment and type of BMPs deployed after the discharge event, or after receiving the notice or order, including additional BMPs installed or planned to reduce or prevent re-occurrence.

d. An implementation and maintenance schedule for any affected BMPs.

12.8 SEDIMENT DISPOSAL

A. Sediment excavated from temporary sediment control structures shall be disposed on the site with general fill, or with topsoil. Sediment shall be allowed to dry out as required before reuse.

B. Contractor shall place the sediment removed from traps and other structures where it will not enter a storm drain or watercourse and where it will not immediately reenter the basin.

12.9 REMOVAL OF TEMPORARY STORM WATER POLLUTION CONTROL MEASURES

A. All temporary control measures shall be removed with permission of the COR within 20 working days after final acceptance of the project, and/or once grading is completed and slopes have stabilized.

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXCUTION (NOT USED)

END OF SECTION

D I V I S I O N 3 1

EARTHWORK

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SITE CLEARING

SECTION 31 10 00 - SITE CLEARING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Site clearing, tree protection, stripping topsoil and demolition.

B. Related Specification Sections include but are not necessarily limited to:

1. Section 32 91 13 - Topsoiling and Finished Grading.

PART 2 - PRODUCTS - (NOT USED)

PART 3 - EXECUTION

3.1 PREPARATION

A. Protect existing trees and other vegetation to remain against damage.

1. Do not smother trees by stockpiling construction materials or excavated materials within drip line.

2. Avoid foot or vehicular traffic or parking of vehicles within drip line.

3. Provide temporary protection as required.

B. Repair or replace trees and vegetation damaged by construction operations.

1. Repair to be performed by a qualified tree surgeon/licensed arborist.

2. Remove trees which cannot be repaired and restored to full-growth status.

3. Replace with new trees of minimum 2 IN caliper.

C. Owner will obtain authority for removal and alteration work on adjoining property, as applicable.

3.2 SITE CLEARING

A. Topsoil Removal:

1. Strip topsoil to depths encountered , 4 IN minimum.

a. Remove heavy growths of grass before stripping.

b. Stop topsoil stripping sufficient distance from such trees to prevent damage to main root system.

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SITE CLEARING

c. Separate from underlying subsoil or objectionable material.

2. Stockpile topsoil where directed by Engineer.

a. Construct storage piles to freely drain surface water.

b. Seed or cover storage piles to prevent erosion.

3. Do not strip topsoil in wooded areas where no change in grade occurs.

4. Borrow topsoil: Reasonably free of subsoil, objects over 2 IN DIA, weeds and roots.

B. Clearing and Grubbing:

1. Clear from within limits of construction all trees not marked to remain.

a. Include shrubs, brush, downed timber, rotten wood, heavy growth of grass and weeds, vines, rubbish, structures and debris.

2. Grub (remove) from within limits of construction all stumps, roots, root mats, logs and debris encountered.

C. Disposal of Waste Materials:

1. Do not burn combustible materials on site.

2. Remove all waste materials from site.

3. Do not bury organic matter on site.

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SITE GRADING

SECTION 31 22 00 - SITE GRADING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Earthwork - site excavation, grading, compaction, disposal of waste and surplus materials, construction of berms, dewatering and other Earthwork related work.

B. Related Specification Sections include but are not necessarily limited to:

1. Section 32 15 40 - Crushed Stone Surfacing.

1.2 QUALITY ASSURANCE

A. Referenced Standards:

1. ASTM International (ASTM):

a. C33, Standard Specification for Concrete Aggregates.

b. D698, Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Standard Effort (12,400 FT-LBF/CUFT).

c. D1241, Standard Specification for Material for Soil-Aggregate Subbase, Base, and Surface Courses.

d. D1557, Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 FT-LBF/CUFT (2,700 kN-M/M)).

e. D2487, Standard Practice for Classification of Soils for Engineering

Purposes (Unified Soil Classification System).

f. D3786, Standard Test Method for Bursting Strength of Textile Fabrics--

Diaphragm Bursting Strength Tester Method.

g. D4253, Standard Test Methods for Maximum Index Density and Unit

Weight of Soils Using a Vibratory Table.

h. D4254, Standard Test Methods for Minimum Index Density and Unit

Weight of Soils and Calculation of Relative Density.

i. D4632, Standard Test Method for Grab Breaking Load and Elongation of

Geotextiles.

2. American Association of State Highway and Transportation Officials (AASHTO)

a. M 43, Standard Specification for Sizes of Aggregate for Road and Bridge

Construction.

b. M 57, Standard Specification for Materials for Embankment and

Subgrades.

c. M 147, Standard Specification for Materials for Aggregate and Soil-

Aggregate Subbase, Base, and Surface Courses.

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3. Federal Regulations:

a. Occupational Safety and Health Administration (OSHA):

1) 29 CFR Part 1926.650, Occupational Safety and Health Standards, referred to herein as OSHA Standards.

1.3 DEFINITIONS

A. Excavation:

1. Consists of removal of material encountered to subgrade or rough grade elevations required or indicated.

2. Includes excavation of soils; pavements and other obstructions visible on surface;

underground structures, utilities, and other items indicated to be demolished and removed; boulders; and rock.

B. Non-Structural Fill/Backfill: Soil materials placed and compacted to achieve finish grade elevations that do NOT support foundations, slabs, paving, or other flatwork.

C. Finish Grade: The earth or soil layer immediately below the surfacing material of the site.

D. Rough Grade: The earth or soil layer immediately below the finish grade surface.

E. Subgrade: The earth or soil layer immediately below foundation bearing elevation, subbase material, fill material, backfill material, or topsoil materials.

F. Unauthorized Excavation:

1. Consists of removal of materials beyond indicated subgrade elevations or dimensions without specific direction of Engineer.

a. Unauthorized excavation, as well as associated remedial work as directed by Engineer , shall be at Contractor’s expense.

2. Unsuitable Soil Materials: Soil materials encountered at or below subgrade elevation of insufficient strength and stiffness to support construction as determined by the Engineer.

1.4 SUBMITTALS

A. Product Data:

1. Acknowledgement that products submitted meet requirements of standards referenced.

2. Manufacturer's installation instructions.

3. Certifications.

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4. Test reports.

a. Report and certification of aggregate fill.

b. Test reports on borrow material.

c. Field reports; in-place soil density and moisture tests.

d. One optimum moisture-maximum density curve for each type of soil encountered.

e. Report of actual unconfined compressive strength and/or results of bearing tests of each strata tested.

B. Samples:

1. Coordinate samples and testing for approval of off-site materials with the

Engineer.

1.5 PROJECT CONDITIONS

A. Salvageable Items: Carefully remove items to be salvaged, and store on Owner's premises unless otherwise directed.

B. Dispose of waste materials, legally, off site.

1. Burning, as a means of waste disposal, is not permitted.

PART 2 - PRODUCTS

2.1 MATERIALS

A. Fill:

1. Selected on-site material from site excavation or from off-site borrow approved by Engineer.

2. Structural Fill:

a. May be low volume change cohesive or granular soil at Contractor’s option.

b. Free of organic matter, frozen material and debris.

c. Low volume change cohesive soil:

1) ASTM D2487 classification: CL-ML or CL.

2) Liquid limit: Less than 45.

3) Maximum plasticity index: 20.

d. Granular soil:

1) ASTM D2487 classification: GW, GP, GM, GC, SW, SP, SM or

SC.

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3. Non-Structural Fill:

a. ASTM D2487 classification: GW, GP, GM, GC, SC, SW, SP, SM, CL-

ML or CL.

b. Liquid limit: Less than45.

c. Maximum plasticity index: 20.

B. Aggregate Base:

1. Granular Fill Material:

a. Clean, Granular material.

b. Less than 5% fines passing the No. 200 sieve.

c. ASTM D1241/AASHTO M147 Grading “B” or other material acceptable to.

d. NDDOT Standard Specifications for Road and Bridge Construction:

C. Geotextile Filter Fabric:

1. Nonwoven type.

2. Equivalent opening size: 50 - 100 (U.S. Standard Sieve).

3. Permeability coefficient (cm/second): 0.07 minimum, 0.30 maximum.

4. Grab strength: 90 LBS minimum in either direction in accordance with ASTM

D4632 requirements.

5. Mullen burst strength: 125 PSI minimum in accordance with ASTM D3786 requirements.

PART 3 - EXECUTION

3.1 PROTECTION

A. Erosion Control:

1. Clean paved roadways daily of any spillage of dirt, rocks or debris from vehicles and equipment entering or leaving site.

2. Conduct work to minimize erosion of site. Remove eroded material washed off site.

a. If necessary or requested by Engineer, construct stilling areas to settle and detain eroded material.

B. Protect existing surface and subsurface features on-site and adjacent to site as follows:

1. Provide barricades, coverings, or other types of protection necessary to prevent damage to existing items indicated to remain in place.

2. Protect and maintain bench marks, monuments or other established reference points and property corners.

a. If disturbed or destroyed, replace at own expense to full satisfaction of

Owner and controlling agency.

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3. Verify location of utilities.

a. Omission or inclusion of utility items does not constitute nonexistence or definite location.

b. Secure and examine local utility records for location data.

c. Take necessary precautions to protect existing utilities from damage due to any construction activity.

1) If utilities are indicated to remain in place, provide adequate means of support and protection during earthwork operations.

2) Do not interrupt existing utilities serving facilities occupied by

Owner or others, during occupied hours, except when permitted in writing by Owner and then only after acceptable temporary utility services have been provided.

3) Obtain Owner’s approval prior to disconnecting any utility service.

d. Repair damages to utility items at own expense.

e. In case of damage, notify Engineer at once so required protective measures may be taken.

4. Maintain free of damage, existing sidewalks, structures, and pavement, not indicated to be removed.

a. Protect new and existing structures, utilities, sidewalks, pavements, and other facilities from damage caused by settlement, lateral movement, undermining, washout, and other hazards created by earthwork operations.

b. Any item known or unknown or not properly located that is inadvertently damaged shall be repaired to original condition.

c. All repairs to be made and paid for by Contractor.

5. Provide full access to public and private premises, fire hydrants, street crossings, sidewalks and other points as designated by Owner to prevent serious interruption of travel.

6. Maintain stockpiles and excavations in such a manner to prevent inconvenience or damage to structures on-site or on adjoining property.

7. Avoid surcharge or excavation procedures which can result in heaving, caving, or slides.

3.2 SITE EXCAVATION AND GRADING

A. The site excavation and grading work includes the offsite disposition of all material:

1. That exceed quantities required for earthwork on the project.

2. That the engineer classifies as unclassified excavation.

3. That the engineer classifies as unacceptable.

4. That the engineer classifies as potentially contaminated.

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B. Excavation and Grading:

1. Contract Drawings may indicate both existing grade and finished grade required…