B08_Sol_-_Attachment_1_-_Specifications.pdf

HOMESTEAD NATIONAL HISTORICAL PARK

BEATRICE, NEBRASKA

REDESIGN AND UPGRADE EDUCATION CENTER

PARKING AREAS AND ENTRANCE

PMIS 225897

Drawing No: 80057

PROJECT SPECIFICATIONS

NATIONAL PARK SERVICE

JULY 19, 2023

07/19/2023

07/19/2023

UPGRADE EDUCATION CENTER PARKING AREAS AND ENTRANCE 07/19/2023

TABLE OF CONTENTS

DIVISION 01 - GENERAL REQUIREMENTS

Section 01 10 00 - Division 01 Short Form General Requirements Section 01 42 00 - Sources for Reference Publications

DIVISION 26 - ELECTRICAL

Section 26 05 19 - Low-Voltage Electrical Power Conductors and Cables Section 26 05 33 - Raceways and Boxes for Electrical Systems

DIVISION 31 - EARTHWORK

Section 31 10 00 - Site Clearing Section 31 20 00 - Earth Moving

DIVISION 32 - EXTERIOR IMPROVEMENTS

Section 32 13 13 - Concrete Paving Section 32 13 73 - Concrete Paving Joint Sealants Section 32 17 23 - Pavement Markings Section 32 31 00 - Electric Gate Operators Section 32 92 00 - Turf and Grasses

DIVISION 33 - UTILITIES

Section 33 41 00 - Storm Utility Drainage Piping

SALIENT CHARACTERISTICS

DRAWINGS

0 Cover Sheet C000 Phasing & Temporary Facilities Plan

C001 Site Demolition Plan

C101 Site Layout & Paving Plan

C102 Concrete Jointing Plan

C103 Site Grading & Storm Sewer Plan

C104 SWPPP Notes

C105 SWPPP Site Map

C106 SWPPP Details

C107 Site Landscaping Plan

C201 Site Details

C202 Site Details

C203 Site Details

C204 Site Details

E 00 Electrical Info Sheet

E100 Electrical Site Plans

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SECTION 01 10 00

DIVISION 1 SHORT FORM GENERAL REQUIREMENTS

PART 1 – GENERAL

ITEM 1 - DESCRIPTION OF WORK

1.1 Background: The existing pavements at the Homestead National Historical Park Education

Center are original construction and are at the end of their useful life. The existing pavement configuration does not allow for large delivery trucks and visitor buses to navigate the parking lot safely and easily. The parking lot will be replaced with new pavement to reset the life of the parking lot and to reconfigure the layout to allow for easier and safer utilization by both large vehicles and passenger vehicles.

1.2 Work Covered by the Contract Documents:

A. Project Location: Homestead National Historical Park Education Center; 8523 NE-4, Beatrice, NE 68310, United States.

B. Work consists of: Generally, removal of the existing parking area and drives north of the

Education Center and replacement with new concrete paving. Work also includes associated removals, grading, storm sewer, site electrical, and landscaping.

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

D. Period of performance: Work shall be completed within 120 calendar days of the start date provided on the Notice to Proceed. The period of performance is inclusive of 20 weather days.

ITEM 2 – PROTECTING EXISTING UTILITIES

2.1 Protecting Existing Utilities: Notify Contracting Officer (CO), Contracting Officer’s Representative

(COR) and utility companies as required to request location services prior to and to coordinate any excavation/digging operations, and/or for demolition if within Scope of Work.

2.2 Contractor shall be responsible for locating and preventing damage to known utilities on site or indoors. 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:

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

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B. 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.

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 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.

C. Public Use of Site: Contractor shall at all times conduct operations to ensure the least inconvenience to the public. The work is phased to allow public and emergency access to the existing facilities at all times during construction.

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

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).

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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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. Driveways and Entrances: Keep driveways, access roads, and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials. Schedule deliveries to minimize use of driveways and entrances.

C. Define site disturbance area, including earthwork and clearing of vegetation, to: areas as identified on the construction drawings.

D. Utilities

1. General: Cost or use charges for temporary facilities shall be included in the Contract Sum as required.

2. 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 construction operations without any additional permit costs. Use resources wisely and minimize waste of water.

3. 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 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.

4. Waste Operation:

a. Toilets: Contractor provided for contractor 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.

b. Waste Removal / Recycling: Contractor is responsible for removing all waste created by the project. Contractor shall recycle to the highest degree possible and empty dumpsters as necessary to avoid debris on site. Locate as coordinated with COR.

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

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

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

b. 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.

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

d. 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.

5. Temporary Enclosures: Provide temporary enclosures such as snow fence as required for protection of construction in progress and completed, from access by visitors or staff, other construction operations, and similar activities.

6. Site Enclosure Fence: N/A

7. Security Enclosure and Lockup: N/A

3.4 Storage - Staging Areas:

A. Confine Storage of materials and equipment to the project staging area noted on the plans/aerial. Specific storage and staging area’s may be discussed at the preconstruction briefing.

3.5 Preservation of Natural Features: No tree removals may occur between the dates of April 1 and

September 30.

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. The contractor is responsible for obtaining any and all local, state, and federal permits associated with hauling, dumping, and any other activities involving use of access routes for transporting materials to the site, disposal of waste materials, and accessing the site.

3.7 Housekeeping:

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

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

2. Address Recycling: Government goal is to salvage and recycle as much nonhazardous construction waste as possible. Use sustainable methods to extent possible during this

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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 on site 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. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the CO or COR.

3.9 Photo Documentation:

A. 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 or 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.

B. Existing Condition Images:

1. 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.

C. 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.

D. 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.

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3.10 Fire and Life Safety:

A. 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.

B. 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.

C. Store and handle hazardous materials in accordance with manufacturers 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.

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

2. Maintain a spill emergency response kit.

3. Train employees how to respond to a spill and use the emergency response kit.

3.11 Noise and Acoustics Management: N/A

3.12 Culturally-sensitive areas: If culturally-sensitive areas or artifacts are encountered during construction operations, the Contractor shall cease all work and notify the COR immediately.

Work may not commence until written authorization has been received from the CO.

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.

https://www.osha.gov/laws-regs/regulations/standardnumber/1926 https://www.osha.gov/laws-regs/regulations/standardnumber/1926 https://www.nps.gov/orgs/1671/do-business-with-us.htm

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7.2 Submittals:

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, earthquake, explosions, fires, floods, power outages, slides, and windstorms. 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 works 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.

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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.

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

8.1 A mandatory preconstruction conference will be held. The successful offeror will be notified by the

Contracting Officer and 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 Contracting 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

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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.)

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 (SWPPP) Submitted to AHJ (Authority

Having Jurisdiction). The authority having jurisdiction over the release of storm water during construction operations is the State of Nebraska Department of Environment and

Energy.

10. List of Required Construction Permits by Contractor.

a. State of Nebraska Department of Environment and Energy (NDEE) Construction

Stormwater NPDES Permit

i. Agency: NDEE

ii. Information required:

1. Stormwater Pollution Prevention Plan (SWPPP)

2. Online application and associated documentation

11. List of Required Construction Permits by Government.

a. Clean Water Act 404 Permit

i. Agency: US Corps of Engineers (USACE)

b. Permit to Occupy Right-of-way

i. Agency: Nebraska Department of Transportation (NDOT)

9.2 Project Shop Drawings, Product Data, and Samples: Contracting Officer will provide sample cover sheet and a list of required submittals is included in each technical specification or attached at the end of this document.

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.

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C. Samples: Submit 2 color samples 4” x 6” minimum in size for all color and product selections.

Paint samples shall be actual paint finish drawdown for all project colors.

1. Submit Samples CM-16 Transmittal Form according to Part 9.1 of this section to include one digital file (.PDF or .TIF) and physical samples of actual material to COR.

D. For submittals specified above, forward submittals to Contracting Officer and COR at least 15 days before need for approval (depends on length of project).

E. 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.

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 Schedule of Values: Submit the Schedule of Values a minimum of one week prior to the

Preconstruction Conference for COR review. Schedule of Values shall include defined work line items with cost break downs including labor, material, and equipment for COR approval.

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9.5 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. Move attic stock to location coordinated with COR. 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.

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

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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.

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

PART 2 – PRODUCTS (NOT USED)

PART 3 – EXCUTION (NOT USED)

END OF SECTION

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PART 1 GENERAL

1.1 REFERENCES

SECTION 01 42 00

SOURCES FOR REFERENCE

PUBLICATIONS

Various publications are referenced in other sections of the specifications to establish requirements for the work. These references are identified in each section by document number, date and title. The document number used in the citation is the number assigned by the standards producing organization (e.g., ASTM B564 Standard Specification for Nickel Alloy Forgings). However, when the standards producing organization has not assigned a number to a document, an identifying number has been assigned for reference purposes.

1.2 ORDERING INFORMATION

The addresses of the standards publishing organizations whose documents are referenced in other sections of these specifications are listed below, and if the source of the publications is different from the address of the sponsoring organization, that information is also provided.

AMERICAN ASSOCIATION OF STATE HIGHWAY AND

TRANSPORTATION OFFICIALS (AASHTO)

555 12TH Street NW, Suite 1000 Washington, DC 20004 Ph: 202-624-5800 E-mail: info@aashto.org Internet: https://www.transportation.org

AMERICAN CONCRETE INSTITUTE (ACI)

38800 Country Club Drive Farmington Hills, MI 48331-3439 Ph: 248-848-3700 Fax: 248-848-3701 Internet: https://www.concrete.org/

AMERICAN CONCRETE PAVEMENT ASSOCIATION (ACPA)

660 North Capital Street NW, Suite 850 Washington, DC 20001 Ph: 847-966-2272 E-mail: acpa@acpa.org Internet: https://www.acpa.org/

AMERICAN WATER WORKS ASSOCIATION (AWWA)

6666 W. Quincy Avenue Denver, CO 80235 USA Ph: 303-794-7711 or 800-926-7337 Fax: 303-347-0804 Internet: https://www.awwa.org/ mailto:info@aashto.org https://www.transportation.org/ https://www.concrete.org/ mailto:acpa@acpa.org https://www.acpa.org/ https://www.awwa.org/

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ASSOCIATION OF OFFICIAL SEED ANALYSTS (AOSA)

8918 W. 21ST Street N, Suite 200 Wichita, KS 67205 Ph: 202-870-2412 Email: aosa@aosaseed.com Internet: https://www.analyzeseeds.com/

ASTM INTERNATIONAL (ASTM)

100 Barr Harbor Drive, P.O. Box C700 West Conshohocken, PA 19428-2959 Ph: 610-832-9500 Fax: 610-832-9555 E-mail: service@astm.org Internet: https://www.astm.org/

CONCRETE REINFORCING STEEL INSTITUTE (CRSI)

933 North Plum Grove Road Schaumburg, IL 60173-4758 Ph: 847-517-1200 Fax: 847-517-1206 Internet: http://www.crsi.org/

OCCUPATIONAL SAFETY AND HEALTH ADMINISTRATION (OSHA)

200 Constitution Ave NW Washington, DC 20210 Ph: 800-321-6742 Internet: https://www.osha.gov/

NATIONAL ELECTRICAL CONTRACTORS ASSOCIATION (NECA)

1201 Pennsylvania Avenue NW, Suit 1200 Washington, DC 20004 Ph: 202-991-6300 Fax: 202-217-4171 E-mail: neis@necanet.org Internet: https://www.necanet.org

NATIONAL ELECTRICAL MANUFACTURES ASSOCIATION (NEMA)

1300 North 17th Street, Suite 900 Arlington, VA 22209 Ph: 703-841-3200 Internet: https://www.nema.org

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

1 Batterymarch Park Quincy, MA 02169-7471 Ph: 800-344-3555 Fax: 800-593-6372 Internet: https://www.nfpa.org

NATIONAL VOLUNTARY LABORATORY ACCREDITATION PROGRAM

100 Bureau Drive Gaithersburg, MD 20899 Ph: 301-975-2000 Internet: https://www.nist.gov/nvlap mailto:aosa@aosaseed.com https://www.analyzeseeds.com/ mailto:service@astm.org https://www.astm.org/ http://www.crsi.org/ https://www.osha.gov/ mailto:neis@necanet.org https://www.nema.org/ https://www.nist.gov/nvlap

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NEBRASKA DEPARTMENT OF TRANSPORTATION (NDOT)

1500 Nebraska Parkway Lincoln, NE 68502 Ph: 402-471-4567 Internet: https://www.nebraska.gov

NATIONAL READY MIXED CONCRETE ASSOCIATION (NRMCA)

Manager, Customer Service 900 Spring Street Silver Spring, MD 20910 Ph: 240-485-1165 E-mail: jjenkins@nrmca.org (Jacques Jenkins) Internet: https://www.nrmca.org/

UL SOLUTIONS (UL)

333 Pfingsten Road Northbrook, IL 60062 Ph: 847-272-8800 Internet: https://www.ul.com

U.S. ARMY CORPS OF ENGINEERS (USACE)

CRD-C DOCUMENTS available on Internet:

http://www.wbdg.org/ffc/army-coe/standards Order Other Documents from:

Official Publications of the Headquarters, USACE E-mail: hqpublications@usace.army.mil Internet: http://www.publications.usace.army.mil/ or https://www.hnc.usace.army.mil/Missions/Engineering-Directorate/TECHINFO/

U.S. ENVIRONMENTAL PROTECTION AGENCY (EPA)

1200 Pennsylvania Avenue, N.W.

Washington, DC 20004 Ph: 202-564-4700 Internet: https://www.epa.gov --- Some EPA documents are available only from: National Technical Information Service (NTIS) 5301 Shawnee Road Alexandria, VA 22312 Ph: 703-605-6060 or 1-800-363-2068 Fax: 703-605-6880

TDD: 703-487-4639

E-mail: info@ntis.gov Internet: https://www.ntis.gov/

PART 2 PRODUCTS

Not used

PART 3 EXECUTION

Not used https://www.nebraska.gov/ mailto:E-mail:%20%20jjenkins@nrmca.org https://www.nrmca.org/ https://www.ul.com/ http://www.wbdg.org/ffc/army-coe/standards mailto:hqpublications@usace.army.mil http://www.publications.usace.army.mil/ http://www.hnc.usace.army.mil/Missions/Engineering-Directorate/TECHINFO/ https://www.epa.gov/ mailto:E-mail:%20%20info@ntis.gov https://www.ntis.gov/

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SECTION 260519

LOW-VOLTAGE ELECTRICAL POWER CONDUCTORS AND CABLES

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Copper building wire rated 600 V or less.

2. Connectors, splices, and terminations rated 600 V and less.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

PART 2 - PRODUCTS

2.1 COPPER BUILDING WIRE

A. Description: Flexible, insulated and uninsulated, drawn copper current-carrying conductor with an overall insulation layer or jacket, or both, rated 600 V or less.

B. Standards:

1. Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and use.

2. Conductor and Cable Marking: Comply with wire and cable marking according to UL's "Wire and Cable Marking and Application Guide."

C. Conductors: Copper, complying with ASTM B3 for bare annealed copper and with ASTM B8 for stranded conductors.

D. Conductor Insulation:

1. Type THHN and Type THWN-2: Comply with UL 83.

2. Type XHHW-2: Comply with UL 44.

2.2 CONNECTORS AND SPLICES

A. Description: Factory-fabricated connectors, splices, and lugs of size, ampacity rating, material, type, and class for application and service indicated; listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and use.

B. Jacketed Cable Connectors: For steel and aluminum jacketed cables, zinc die-cast with set screws, designed to connect conductors specified in this Section.

C. Lugs: One piece, seamless, designed to terminate conductors specified in this Section.

1. Material: Copper.

2. Type: Two hole with long barrels.

3. Termination: Compression.

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PART 3 - EXECUTION

3.1 CONDUCTOR MATERIAL APPLICATIONS

A. Feeders:

1. Copper; solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.

B. Branch Circuits:

1. Copper, Solid for No. 10 AWG and smaller; stranded for No. 8 AWG and larger.

3.2 CONDUCTOR INSULATION AND MULTICONDUCTOR CABLE APPLICATIONS AND WIRING

METHODS

A. Feeders Concealed in Concrete, below Slabs-on-Grade, and Underground: Type THHN/THWN- 2, single conductors in raceway or Type XHHW-2, single conductors in raceway.

B. Type THHN/THWN-2, single conductors in raceway or Type XHHW-2, single conductors in raceway.

3.3 INSTALLATION OF CONDUCTORS AND CABLES

A. Conceal cables in finished walls, ceilings, and floors unless otherwise indicated.

B. Complete raceway installation between conductor and cable termination points according to Section 260533 "Raceways and Boxes for Electrical Systems" prior to pulling conductors and cables.

C. Use manufacturer-approved pulling compound or lubricant where necessary; compound used must not deteriorate conductor or insulation. Do not exceed manufacturer's recommended maximum pulling tensions and sidewall pressure values.

D. Use pulling means, including fish tape, cable, rope, and basket-weave wire/cable grips, that will not damage cables or raceway.

E. Install exposed cables parallel and perpendicular to surfaces of exposed structural members, and follow surface contours where possible.

F. Support cables according to Section 260529 "Hangers and Supports for Electrical Systems."

3.4 CONNECTIONS

A. Tighten electrical connectors and terminals according to manufacturer's published torque-tightening values. If manufacturer's torque values are not indicated, use those specified in

UL 486A-486B.

B. Make splices, terminations, and taps that are compatible with conductor material and that possess equivalent or better mechanical strength and insulation ratings than unspliced conductors.

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SECTION 260533

RACEWAYS AND BOXES FOR ELECTRICAL SYSTEMS

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes:

1. Nonmetallic conduits and fittings.

2. Handholes and boxes for exterior underground cabling.

1.2 ACTION SUBMITTALS

A. Product Data: For each type of product.

PART 2 - PRODUCTS

2.1 NONMETALLIC CONDUITS AND FITTINGS

A. Listing and Labeling: Listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

1. See Evaluations for descriptions of nonmetallic conduit types.

2. RNC: Type EPC-40-PVC, complying with NEMA TC 2 and UL 651 unless otherwise indicated.

3. LFNC: Comply with UL 1660.

B. Nonmetallic Fittings:

1. Fittings, General: Listed and labeled for type of conduit, location, and use.

2. Fittings for ENT and RNC: Comply with NEMA TC 3; match to conduit or tubing type and material.

3. Fittings for LFNC: Comply with UL 514B.

4. Solvents and Adhesives: As recommended by conduit manufacturer.

2.2 HANDHOLES AND BOXES FOR EXTERIOR UNDERGROUND WIRING

A. General Requirements for Handholes and Boxes:

1. Boxes and handholes for use in underground systems shall be designed and identified as defined in NFPA 70, for intended location and application.

2. Boxes installed in wet areas shall be listed and labeled as defined in NFPA 70, by a qualified testing agency, and marked for intended location and application.

B. Polymer-Concrete Handholes and Boxes with Polymer-Concrete Cover: Molded of sand and aggregate, bound together with polymer resin, and reinforced with steel, fiberglass, or a combination of the two.

1. Standard: Comply with SCTE 77.

2. Configuration: Designed for flush burial with open bottom unless otherwise indicated.

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3. Cover: Weatherproof, secured by tamper-resistant locking devices and having structural load rating consistent with enclosure and handhole location.

4. Cover Finish: Nonskid finish shall have a minimum coefficient of friction of 0.50.

5. Cover Legend: Molded lettering, "ELECTRIC".

6. Conduit Entrance Provisions: Conduit-terminating fittings shall mate with entering ducts for secure, fixed installation in enclosure wall.

PART 3 - EXECUTION

3.1 RACEWAY APPLICATION

A. Outdoors: Apply raceway products as specified below unless otherwise indicated:

1. Underground Conduit: RNC, Type EPC-40-PVC, direct buried.

2. Connection to Vibrating Equipment (Including Transformers and Hydraulic, Pneumatic, Electric Solenoid, or Motor-Driven Equipment): LFNC.

3. Boxes and Enclosures, Aboveground: NEMA 250, Type 3R.

B. Minimum Raceway Size: 3/4-inch trade size.

C. Raceway Fittings: Compatible with raceways and suitable for use and location.

1. Flexible Conduit: Use only fittings listed for use with flexible conduit. Comply with

NEMA FB 2.20.

D. Do not install aluminum conduits, boxes, or fittings in contact with concrete or earth.

3.2 INSTALLATION

A. Comply with NECA 1 and NECA 101 for installation requirements except where requirements on Drawings or in this article are stricter. Comply with NECA 102 for aluminum conduits.

Comply with NFPA 70 limitations for types of raceways allowed in specific occupancies and number of floors.

B. Arrange stub-ups so curved portions of bends are not visible above finished slab.

C. Install no more than the equivalent of three 90-degree bends in any conduit run except for control wiring conduits, for which fewer bends are allowed..

D. Make bends in raceway using large-radius preformed ells. Field bending shall be according to NFPA 70 minimum radii requirements. Use only equipment specifically designed for material and size involved.

E. Support conduit within 12 inches of enclosures to which attached.

F. Raceway Terminations at Locations Subject to Moisture or Vibration: Use insulating bushings to protect conductors including conductors smaller than No. 4 AWG.

G. Install pull wires in empty raceways. Use polypropylene or monofilament plastic line with not less than 200-lb tensile strength. Leave at least 12 inches of slack at each end of pull wire. Cap underground raceways designated as spare above grade alongside raceways in use.

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H. Install raceway sealing fittings at accessible locations according to NFPA 70 and fill them with listed sealing compound. For concealed raceways, install each fitting in a flush steel box with a blank cover plate having a finish similar to that of adjacent plates or surfaces.

I. Install devices to seal raceway interiors at accessible locations. Locate seals so no fittings or boxes are between the seal and the following changes of environments. Seal the interior of all raceways at the following points:

1. Where conduits pass from warm to cold locations, such as boundaries of refrigerated spaces.

2. Where an underground service raceway enters a building or structure.

3. Conduit extending from interior to exterior of building.

4. Conduit extending into pressurized duct and equipment.

5. Conduit extending into pressurized zones that are automatically controlled to maintain different pressure set points.

6. Where otherwise required by NFPA 70.

7. at time of installation. Install conduit supports to allow for expansion movement.

J. Flexible Conduit Connections: Comply with NEMA RV 3. Use a maximum of 36 inches of flexible conduit for equipment subject to vibration, noise transmission, or movement; and for transformers and motors.

1. Use LFNC in damp or wet locations not subject to severe physical damage.

3.3 INSTALLATION OF UNDERGROUND CONDUIT

A. Direct-Buried Conduit:

1. Excavate trench bottom to provide firm and uniform support for conduit. Prepare trench bottom as specified in Section 312000 "Earth Moving" for pipe less than 6 inches in nominal diameter.

2. Install backfill as specified in Section 312000 "Earth Moving."

3. After installing conduit, backfill and compact. Start at tie-in point, and work toward end of conduit run, leaving conduit at end of run free to move with expansion and contraction as temperature changes during this process. Firmly hand tamp backfill around conduit to provide maximum supporting strength. After placing controlled backfill to within 12 inches of finished grade, make final conduit connection at end of run and complete backfilling with normal compaction as specified in Section 312000 "Earth Moving."

4. Install manufactured duct elbows for stub-up at poles and equipment and at building entrances through floor unless otherwise indicated. Encase elbows for stub-up ducts throughout length of elbow.

3.4 INSTALLATION OF UNDERGROUND HANDHOLES AND BOXES

A. Install handholes and boxes level and plumb and with orientation and depth coordinated with connecting conduits to minimize bends and deflections required for proper entrances.

B. Unless otherwise indicated, support units on a level bed of crushed stone or gravel, graded from 1/2-inch sieve to No. 4 sieve and compacted to same density as adjacent undisturbed earth.

C. Elevation: In paved areas, set so cover surface will be flush with finished grade. Set covers of other enclosures 1 inch above finished grade.

D. Install handholes with bottom below frost line.

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E. Field-cut openings for conduits according to enclosure manufacturer's written instructions. Cut wall of enclosure with a tool designed for material to be cut. Size holes for terminating fittings to be used, and seal around penetrations after fittings are installed.

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SECTION 311000

SITE CLEARING

PART 1 - GENERAL

1.1 RELATED DOCUMENTS

A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.2 SUMMARY

A. Section Includes:

1. Protecting existing vegetation to remain.

2. Removing existing vegetation.

3. Clearing and grubbing.

4. Stripping and stockpiling topsoil.

5. Removing and disposing of above- and below-grade site improvements.

6. Disconnecting, capping or sealing, and removing site utilities and/or abandoning site utilities in place.

7. Erosion- and sedimentation-control measures.

B. Related Sections:

1. Section 01000 “Short Form General Requirements” for temporary utility services, construction and support facilities, security and protection facilities.

2. Section 312000 “Earth Moving” for soil materials, excavating, backfilling and site grading (including finish grading).

1.3 DEFINITIONS

A. Existing to Remain: Protect construction indicated to remain against damage and soiling during demolition and site clearing operations. When permitted by the COR, items may be removed to a suitable, protected storage location during demolition and then cleaned and reinstalled in their original locations.

B. Remove: Remove and legally dispose of items except those indicated to be reinstalled, salvaged, or to remain the Owner’s property.

C. Remove and Salvage: Items indicated to be removed and salvaged remain the Owner’s property. Remove, clean, and pack or crate items to protect against damage. Identify contents of containers and deliver to Owner’s designated storage area.

D. Remove and Reinstall: Remove items indicated, clean, service, and otherwise prepare them for reuse, store and protect against damage. Reinstall items in locations indicated.

E. Subsoil: All soil beneath the topsoil layer of…