A04-Summary.pdf

451 / Tamarac Discovery Trail 01-10-00 - 1 SUMMARY

SECTION 01-10-00

SUMMARY

PART 1 GENERAL

1.01 PROJECT TITLE

A. Tamarac NWR, Discovery Trail Summary: Remove existing trail soil base and replace with stabilization fabric and crushed granite, widening trail as noted, adding interpretive rest areas, add CMP drainage, cut/fill grades as noted to maintain Accessibility slopes, fine grading.

1.02 WORK UNDER THESE SPECIFICATIONS

A. Contractor shall furnish materials, labor, equipment and supervision for the work described below in the base bid:

1. Base Bid: The work includes but is not limited to:

a. Remove existing trail soil base and replace with stabilization fabric and crushed granite. Widen trail to/from bunkhouse road, add 5 trail interpretive rest areas, add CMP drainage, excavate grade for trail at west side to add rip-rap, general cut/fill along trail to maintain Accessibility slopes, fine grading, placing Class 5 where noted.

1.03 LOCATION AND INSPECTION OF SITE

A. The work site is located within the Tamarac National Wildlife Refuge in Rochert, MN B. The mailing address of the Refuge is shown on the Solicitation, Offer, and Award (Standard

Forms 1442 or, 18 block 9) as attached to this Invitation. The Station Manager may be contacted for further information at the above referenced address or by telephone at (218) 847-2641.

C. All prospective bidders/quoters, contractors, subcontractors, and related persons are encouraged to visit the site of the proposed Work and to assess the location and extent of the Work prior to submitting bids.

1.04 SPECIFICATIONS AND DRAWINGS FOR CONSTRUCTION

A. The successful bidder will be provided, upon request, one set full size digital prints of the contract documents as necessary for execution of this contract. These drawing will be provided at no additional cost to the successful bidder/quoter.

B. Exact location of all affected utilities will be the responsibility of the Contractor. Drawings may not completely show all utilities. Site verification is required in addition to contacting any local authorities and utility companies to determine exact locations of utilities.

C. In case of difference between drawings and specifications, the most stringent shall govern.

1.05 WORK NOT INCLUDED IN THIS CONTRACT

A. All items indicated "NIC" on drawings or in specifications are items not included in this contract.

B. Work in place is generally shown as "Existing" on the Contract Drawings.

1.06 ITEMS PROVIDED BY THE GOVERNMENT

A. Unless specifically provided herein, no materials or equipment shall be furnished by the

Government under this Contract.

1.07 GOVERNMENTING SERVICES:

A. No baseline or benchmark will be provided for work of base bid.

1.08 TEMPORARY FACILITIES

A. Maintain and restore all government roads, service areas and utilities used to pre-construction condition.

B. Temporary toilet facilities, water, telephone and electric must be provided by the Contractor.

Contractor to provide any temporary facility needed to complete the Work of this project.

451 / Tamarac Discovery Trail 01-10-00 - 2 SUMMARY

1.09 SITE ACCESS AND RIGHT OF WAY

A. The construction access limits on Government property will be established by the Government and the Contractor shall be responsible for complying with these limits and governing all Work accordingly. All temporary access roads shall be removed following work completion unless directed otherwise by the Contracting Officer.

1. Access to the work site will be from the Bunk House trail and from the Headquarters entrance road as noted.

B. All bidders are reminded that they are responsible for contacting the local entity such as township, county, or state having jurisdiction in the project vicinity to insure bidders are aware of any requirements of the local entity. These requirements are between the entity and the bidder.

If the Contractor proposes to cross private property, permission must be obtained from the owner to use private property or roads in the conduct of the Work.

C. Work scheduled on Saturdays, Sundays, Federal Holidays or other than normal working hours shall be approved in writing in advance by the Government.

1.10 SAFETY - IN ADDITION TO FAR 52.236-13 ACCIDENT PREVENTION

A. A. Contractor shall fill out and submit the “Preconstruction Safety Checklist” to the Contracting

Officer (CO) prior to beginning construction.

B. The contractor shall designate a safety officer to ensure a safe work site. The safety officer shall perform daily work site inspections to assure compliance with all safety regulations and standards.

C. The Contractor’s Safety Plan shall be available on-site. The Contractor shall provide Safety Data Sheets (SDS) for all hazardous materials brought on-site. SDS shall be made available in a conspicuous location.

D. All equipment and work activities shall comply with OSHA regulations and all accidents incidental to work performed under this contract shall be reported in accordance with OSHA reporting requirements. Additionally, a copy of any accident report shall be provided to the Contracting Officer.

E. The Contractor shall provide and install barricades, signs, or other warning devices to delineate the construction area and restrict public access to the construction site. Follow the Manual of Uniform Traffic Control Devices (MUTCD).

F. Provide at least one non-freezing-type fire extinguisher in each workshop and shed used for storage on the premises. Place in location readily accessible to workers.

G. Provide at least one non-freezing-type fire extinguisher of the appropriate class for each group of workers performing flammable procedures.

H. Provide and maintain a basic first aid kit for use of workers.

1. Provide first aid supply commensurate with size of project with items necessary for first aid treatment of all injuries. Include first aid items identified on SDS for applicable items, in applicable locations.

2. Advise all workers of the location of first aid supplies.

3. Post telephone numbers of nearest hospital or ambulance service and fire station in conspicuous location. Advise all workers of location of telephone numbers.

I. Provide necessary Personnel Protective Equipment (PPE) as identified by SDS. Provide documentation workers have been trained in use of PPE prior to individual use.

J. Contractor is required to maintain a spill containment kit, per OSHA standards, to respond to hazardous waste release/contamination ( eg. gas spill, equipment hydraulic leak, etc.) during the construction project. Any contamination is required to be identified to Government personnel for monitoring and cleanup coordination.

1. If more than 5 gallons of contamination is released Contractor is also required to notify

Minnesota EPA in addition to Government personnel.

451 / Tamarac Discovery Trail 01-10-00 - 3 SUMMARY

1.11 CONTRACTOR USE OF SITE AND PREMISES

A. Provide access to and from site as required by law and by Owner:

1. Emergency Exits During Construction: Keep all exits required by code open during construction period; provide temporary exit signs if exit routes are temporarily altered.

2. Do not obstruct roadways, sidewalks, or other public ways without permit.

PART 2 PRODUCTS - NOT APPLICABLE

PART 3 EXECUTION - NOT APPLICABLE

END OF SECTION

451 / Tamarac Discovery Trail 01-30-00 - 1 ADMINISTRATIVE

REQUIREMENTS

SECTION 01-30-00

ADMINISTRATIVE REQUIREMENTS

PART 1 GENERAL

1.01 GENERAL:

A. Refer to technical specifications for all submittals required.

B. When specifically requested by the Contracting Officer (CO), Contractor’s Officer’s

Representative (COR) or the Government’s Construction Inspector, the Contractor shall provide copies of manufacturer's written installation instructions and/or recommendations for review and approval prior to accomplishing equipment installation.

1.02 SUBMITTALS

A. The Contractor shall provide all required submittals to the COR within 20 days of award except for items noted otherwise.

B. Furnish a minimum of one digital copy of all required submittals.

C. The approval of submittals shall not relieve the Contractor to comply with the terms and conditions of the Contract Drawings and Specifications. The Contractor shall be responsible to determine correct dimension, design, connection, detail and satisfactory construction of all Work.

D. A submittal coversheet will be provided by the Government to be used for each and every submittal. Contractor is to provide submittals under each specification section complete with all requirements included. Partial submissions will be returned not reviewed.

1.03 PROJECT SCHEDULE

A. Contractor shall provide as required by Federal Acquisition Regulation (FAR) clauses. *

1.04 PRICE BREAKDOWN - LUMP SUM ITEMS

A. Contractor shall provide as required by FAR clauses. *

1.05 SUBCONTRACTOR'S LIST

A. Submit a list of subcontractors who will be working on the project.

1.06 SUBMITTAL OF PROGRESS PAYMENT CERTIFICATE

A. Contractor shall provide as required by FAR clauses. *

1.07 GUARANTEES, WARRANTIES AND CERTIFICATES

A. Refer to Section 01-77-00.

1.08 OPERATING AND MAINTENANCE INSTRUCTION

A. Refer to Section 01-77-00.

1.09 DELIVERY TICKETS

A. The Contractor shall submit to the Government's COR, one legible copy of each delivery ticket for all material delivered to the construction site.

B. The delivery ticket shall show brand name, catalog number, and number of items received.

1.10 WASTE MANIFESTS

A. The Contractor shall submit copies of all waste manifests.

B. Manifests shall state type of waste (i.e., construction debris, hazardous asbestos, etc.), location of disposal, landfill designation, EPA registration of landfill, and EPA registration for transportation of any hazardous wastes.

451 / Tamarac Discovery Trail 01-30-00 - 2 ADMINISTRATIVE

REQUIREMENTS

PART 2 PRODUCTS - NOT APPLICABLE

PART 3 EXECUTION - NOT APPLICABLE

* THE APPLICABLE FAR CLAUSES WILL BE PROVIDE IN FULL TEXT TO THE RESULTANT

CONTRACTOR AT THE PRE-CONSTRUCTION CONFERENCE.

451 / Tamarac Discovery Trail 01-31-00 - 1 PROJECT COORDINATION

SECTION 01-31-00

PROJECT COORDINATION

PART 1 GENERAL

1.01 JOBSITE COORDINATION

A. Superintendence, Subcontract administration and Quality Control, is the responsibility of the Contractor.

B. Final decisions relative to items in conflict shall be made by the Contracting Officer.

C. The Government shall have the authority to temporarily suspend the Work for such time as necessary because of the failure on the part of the Contractor to perform any of the provisions of the Contract. No extension of contract performance time will be permitted until the Government determines that the deficiencies in performance, which caused the temporary suspension, have been corrected.

D. The Contractor shall have responsible superintendence on site during all project operations.

Contractor shall notify Government of any changes of superintendents.

E. The Contractor shall notify the COR at least ten (10) days prior to the anticipated date of completion of all Work specified herein. Upon completion of the Work, the COR shall proceed with the final inspection which shall be completed as promptly as practicable. The time required for such inspection and for performing any corrective Work shall be included in the contract performance time.

1.02 MODIFICATION/CHANGE ORDER PROCEDURES

A. In the event of the need for a Change Order, the Contractor will receive a letter requesting a price quote for proposed changes to the Contract.

B. For evaluation purposes, the Contractor's quote shall be broken down to show the costs of labor and materials for each proposed category of Work included with the change, along with the total cost for Contractor's overhead, profit, and bond for the proposed changes.

C. All Contract time extensions required as a result of a proposed change must be justified and supported in detail at the time of the proposal.

1.03 PRECONSTRUCTION CONFERENCE

A. Soon after award of the Contract and prior to commencing construction, the Contractor and any subcontractors shall attend a preconstruction conference with representatives of the Government. Timely notification of the meeting will be given to the Contractor. Time, date, and place of the conference will be determined by the Contracting Officer. Requirements pertaining to Contract administration, construction operations and the project schedule will be discussed.

The project schedule shall be in accordance with Section 01-30-00. The Preconstruction Safety Checklist shall be submitted for review during this conference.

1.04 PROJECT MEETINGS

A. Periodic general project meetings will be conducted with a representative of the Contractor at the project site or by telephone by the Government's representative for the purpose of coordinating, expediting, and assessing the work progress.

B. The Contractor shall provide reports of progress on the project, discuss the work schedule for the coming period and present all conflicts, discrepancies or other difficulties for resolution. A record of discussions and decisions will be prepared by the Government and distributed to those attending and others affected.

PART 3 EXECUTION- NOT APPLICABLE

451 / Tamarac Discovery Trail 01-40-00 - 1 QUALITY REQUIREMENTS

SECTION 01-40-00

QUALITY REQUIREMENTS

PART 1 GENERAL

1.01 SECTION INCLUDES

A. References and standards.

B. Control of installation.

C. Testing and inspection agencies and services.

D. Manufacturers' field services.

E. Defect Assessment.

F. Contractor's Experience.

1.02 RELATED REQUIREMENTS

A. Section 01-30-00 - Administrative Requirements: Submittal procedures.

B. Section 01-42-00 - Definitions and Standards.

1.03 REFERENCE STANDARDS

A. ASTM C1077 - Standard Practice for Laboratories Testing Concrete and Concrete Aggregates for Use in Construction and Criteria for Laboratory Evaluation; 2014.

B. ASTM D3740 - Standard Practice for Minimum Requirements for Agencies Engaged in the

Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction;

2012a.

C. ASTM E329 - Standard Specification for Agencies Engaged in Construction Inspection and/or Testing; 2014a.

D. ASTM E543 - Standard Specification for Agencies Performing Nondestructive Testing; 2013.

E. IAS AC89 - Accreditation Criteria for Testing Laboratories; 2010.

1.04 SUBMITTALS

A. Testing Agency Qualifications:

1. Prior to start of Work, submit agency name, address, and telephone number, and names of full time registered Engineer and responsible officer.

2. Submit copy of report of laboratory facilities inspection made by NIST Construction Materials Reference Laboratory during most recent inspection, with memorandum of remedies of any deficiencies reported by the inspection.

B. Test Reports: After each test/inspection, promptly submit one copy of report to Engineer and to Contractor.

1. Include:

a. Date issued.

b. Project title and number.

c. Name of inspector.

d. Date and time of sampling or inspection.

e. Identification of product and specifications section.

f. Location in the Project.

g. Type of test/inspection.

h. Date of test/inspection.

i. Results of test/inspection.

j. Compliance with Contract Documents.

k. When requested by Engineer, provide interpretation of results.

2. Test report submittals are for Engineer's knowledge as contract administrator for the limited purpose of assessing compliance with information given and the design concept expressed in the Contract Documents, or for Owner's information.

451 / Tamarac Discovery Trail 01-40-00 - 2 QUALITY REQUIREMENTS

C. Manufacturer's Instructions: When specified in individual specification sections, submit printed instructions for delivery, storage, assembly, installation, adjusting, and finishing, for the Owner's information. Indicate special procedures, perimeter conditions requiring special attention, and special environmental criteria required for application or installation.

D. Manufacturer's Field Reports: Submit reports for Engineer's benefit as contract administrator or for Owner.

1. Submit for information for the limited purpose of assessing compliance with information given and the design concept expressed in the Contract Documents.

1.05 REFERENCES AND STANDARDS

A. For products and workmanship specified by reference to a document or documents not included in the Project Manual, also referred to as reference standards, comply with requirements of the standard, except when more rigid requirements are specified or are required by applicable codes.

1.06 TESTING AND INSPECTION AGENCIES AND SERVICES

A. Contractor shall employ and pay for services of an independent testing agency to perform specified testing.

B. Employment of agency in no way relieves Contractor of obligation to perform Work in accordance with requirements of Contract Documents.

C. Contractor Employed Agency:

1. Testing agency: Comply with requirements of ASTM E329, ASTM E543, ASTM C1021, ASTM C1077, ASTM C1093, and ASTM D3740.

2. Inspection agency: Comply with requirements of ASTM D3740 and ASTM E329.

3. Laboratory Qualifications: Accredited by IAS according to IAS AC89.

4. Laboratory: Authorized to operate in the State in which the Project is located.

5. Laboratory Staff: Maintain a full time registered Engineer on staff to review services.

6. Testing Equipment: Calibrated at reasonable intervals either by NIST or using an NIST established Measurement Assurance Program, under a laboratory measurement quality assurance program.

PART 2 PRODUCTS - NOT USED

PART 3 EXECUTION

3.01 CONTROL OF INSTALLATION

A. Monitor quality control over suppliers, manufacturers, products, services, site conditions, and workmanship, to produce work of specified quality.

B. Comply with manufacturers' instructions, including each step in sequence.

C. Should manufacturers' instructions conflict with Contract Documents, request clarification from

Engineer before proceeding.

D. Comply with specified standards as minimum quality for the work except where more stringent tolerances, codes, or specified requirements indicate higher standards or more precise workmanship.

E. Have work performed by persons qualified to produce required and specified quality.

3.02 TESTING AND INSPECTION

A. Testing Agency Duties:

1. Provide qualified personnel at site. Cooperate with Engineer and Contractor in performance of services.

2. Perform specified sampling and testing of products in accordance with specified standards.

3. Ascertain compliance of materials and mixes with requirements of Contract Documents.

4. Promptly notify Engineer and Contractor of observed irregularities or non-compliance of

Work or products.

451 / Tamarac Discovery Trail 01-40-00 - 3 QUALITY REQUIREMENTS

5. Perform additional tests and inspections required by Engineer.

6. Submit reports of all tests/inspections specified.

B. Limits on Testing/Inspection Agency Authority:

1. Agency may not release, revoke, alter, or enlarge on requirements of Contract Documents.

2. Agency may not approve or accept any portion of the Work.

3. Agency may not assume any duties of Contractor.

4. Agency has no authority to stop the Work.

C. Contractor Responsibilities:

1. Cooperate with laboratory personnel, and provide access to the Work and to manufacturers' facilities.

2. Provide incidental labor and facilities:

a. To provide access to Work to be tested/inspected.

b. To obtain and handle samples at the site or at source of Products to be tested/inspected.

c. To facilitate tests/inspections.

d. To provide storage and curing of test samples.

3. Notify Engineer and laboratory 48 hours prior to expected time for operations requiring testing/inspection services.

4. Employ services of an independent qualified testing laboratory and pay for additional samples, tests, and inspections required by Contractor beyond specified requirements.

5. Arrange with Owner's agency and pay for additional samples, tests, and inspections required by Contractor beyond specified requirements.

D. Re-testing required because of non-compliance with specified requirements shall be performed by the same agency on instructions by Engineer.

E. Re-testing required because of non-compliance with specified requirements shall be paid for by Contractor.

3.03 MANUFACTURERS' FIELD SERVICES

A. When specified in individual specification sections, require material or product suppliers or manufacturers to provide qualified staff personnel to observe site conditions, conditions of surfaces and installation, quality of workmanship, as applicable, and to initiate instructions when necessary.

B. Submit qualifications of observer to Engineer 5 days in advance of required observations.

1. Observer subject to approval of Engineer.

C. Report observations and site decisions or instructions given to applicators or installers that are supplemental or contrary to manufacturers' written instructions.

3.04 DEFECT ASSESSMENT

A. Replace Work or portions of the Work not complying with specified requirements.

451 / Tamarac Discovery Trail 01-42-00 - 1 DEFINITIONS AND STANDARDS

SECTION 01-42-00

DEFINITIONS AND STANDARDS

PART 1 GENERAL

1.01 REGULATORY REQUIREMENTS

A. All work shall be accomplished in strict accordance with OSHA and all other regulations, codes, and laws in effect at the time the work is performed for the location where it is to be performed.

1.02 MEANS AND METHODS

A. Means and methods used in the performance of this Contract must be in accordance with all applicable Federal Acquisition Regulations in addition to OSHA regulations, 29 Code of Federal Regulations, acceptable industry practices as recognized by societies, associations, building codes, manufacturers’ specifications and any applicable state safety and health requirements.

1.03 PERMITS

A. All permits required to support construction activities such as road permits for oversize, overweight vehicles and equipment, bridge permits, and utility hookup permits, shall be obtained and paid for by the Contractor.

PART 2 PRODUCTS - NOT APPLICABLE

PART 3 EXECUTION - NOT APPLICABLE

451 / Tamarac Discovery Trail 01-60-00 - 1 PRODUCT REQUIREMENTS

SECTION 01-60-00

PRODUCT REQUIREMENTS

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Transportation, handling, storage and protection.

B. Product option requirements.

C. Substitution limitations and procedures.

D. Maintenance materials, including extra materials, spare parts, tools, and software.

1.02 RELATED REQUIREMENTS

A. Section 01-10-00 - Summary:

B. Section 01-40-00 - Quality Requirements: Product quality monitoring.

1.03 REFERENCE STANDARDS

A. 16 CFR 260 - Guides for the Use of Environmental Marketing Claims; Federal Trade

Commission; current edition.

1.04 SUBMITTALS

A. Product Data Submittals: Submit manufacturer's standard published data. Mark each copy to identify applicable products, models, options, and other data. Supplement manufacturers' standard data to provide information specific to this Project.

B. Shop Drawing Submittals: Prepared specifically for this Project; indicate utility and electrical characteristics, utility connection requirements, and location of utility outlets for service for functional equipment and appliances.

C. Sample Submittals: Illustrate functional and aesthetic characteristics of the product, with integral parts and attachment devices. Coordinate sample submittals for interfacing work.

PART 2 PRODUCTS

2.01 NEW PRODUCTS

A. Provide new products unless specifically required or permitted by the Contract Documents.

B. Do not use products having any of the following characteristics:

1. Made using or containing CFC's or HCFC's.

2. Made of wood from newly cut old growth timber.

C. Where all other criteria are met, Contractor shall give preference to products that:

1. Use materials that are extracted or harvested and manufactured closer to the location of the project.

2. Have longer documented life span under normal use.

3. Result in less construction waste.

2.02 PRODUCT OPTIONS

A. Products Specified by Reference Standards or by Description Only: Use any product meeting those standards or description if specified product is not available.

B. Products Specified by Naming One or More Manufacturers: The use of brand name items is to establish a standard of quality only and shall not be construed as limiting competition or precluding the Contactor from offering an equal item(s) from another sources(s). Any brand name intended to be a restriction to a sole sources shall be clearly identified as "No substitutions".

2.03 MAINTENANCE MATERIALS

A. Furnish extra materials, spare parts, tools, and software of types and in quantities specified in individual specification sections.

B. Deliver to Project site; obtain receipt prior to final payment.

451 / Tamarac Discovery Trail 01-60-00 - 2 PRODUCT REQUIREMENTS

PART 3 EXECUTION

3.01 TRANSPORTATION AND HANDLING

A. Coordinate schedule of product delivery to designated prepared areas in order to minimize site storage time and potential damage to stored materials.

B. Transport and handle products in accordance with manufacturer's instructions.

C. Transport materials in covered trucks to prevent contamination of product and littering of surrounding areas.

D. Promptly inspect shipments to ensure that products comply with requirements, quantities are correct, and products are undamaged.

E. Provide equipment and personnel to handle products by methods to prevent soiling, disfigurement, or damage.

F. Arrange for the return of packing materials, such as wood pallets, where economically feasible.

3.02 STORAGE AND PROTECTION

A. Designate receiving/storage areas for incoming products so that they are delivered according to installation schedule and placed convenient to work area in order to minimize waste due to excessive materials handling and misapplication.

B. Store and protect products in accordance with manufacturers' instructions.

C. Store with seals and labels intact and legible.

D. Store sensitive products in weather tight, climate controlled, enclosures in an environment favorable to product.

E. For exterior storage of fabricated products, place on sloped supports above ground.

F. Cover products subject to deterioration with impervious sheet covering. Provide ventilation to prevent condensation and degradation of products.

G. Prevent contact with material that may cause corrosion, discoloration, or staining.

H. Provide equipment and personnel to store products by methods to prevent soiling, disfigurement, or damage.

I. Arrange storage of products to permit access for inspection. Periodically inspect to verify products are undamaged and are maintained in acceptable condition.

451 / Tamarac Discovery Trail 01-77-00 - 1 PROJECT CLOSEOUT

SECTION 01-77-00

PROJECT CLOSEOUT

PART 1 GENERAL

1.01 MANUFACTURER'S SPECIFICATIONS

A. The installation of manufactured products and equipment, together with all associated parts, shall be in conformance with the manufacturer's recommendations, and code requirements. All installations shall be complete and ready for immediate use, and every part required for proper operation of the manufacturer's equipment shall be provided. Following the completion of the Work under this Contract, all installed equipment shall be tested for proper operation and compliance with the Contract.

1.02 FINAL INSPECTION

A. The Contractor shall request a final inspection in writing at least ten (10) days prior to the anticipated date of completion.

B. Work will not be considered ready for final inspection until all the Work has been completed and the Contractor has certified that all items are properly operating and in strict compliance with all Contract terms and conditions.

C. The Contractor or the project supervisor shall be at the job site during the final inspection.

1.03 TESTS

A. Complete all testing required to prove actual operating performance of equipment and systems incorporated into the project.

B. Submit reports of all tests to the Contracting Officer Representative prior to final payment.

C. Provide any regulatory acceptance documents in cases of cleanup.

1.04 RECORD DRAWINGS:

A. The Contractor shall provide and maintain in proper order and in good, clean condition, at the project site, one (1) complete set of full size prints of all Drawings. On this set, with red pencil or ink, the Contractor will neatly inscribe all changes in Work. At time of final acceptance, and prior to final payment, these corrected prints will be presented to the COR. The Contractor will note all data and changes on these record drawings in sufficient detail and clarity to provide information necessary for preparation of "as built" drawings by the Government.

B. The Contractor will provide a as-built topographic survey of trail at project completion. In addition, the Contractor will provide spot elevations of trail on 50' intervals for entire trail length.

This as-built work will be provided by a licensed surveyor in the State of Minnesota.

1.05 GUARANTEES, WARRANTIES AND CERTIFICATES

A. The Contractor will submit all guarantees, warranties and certificates to the Government prior to final payment.

B. The Government requires a 100% warranty for a period of one full year after final acceptance.

Items of Work found defective during the warranty period will be replaced at no cost to the Government and the warranty for that particular part of the Work shall automatically extend for one full year beyond the completion date of repairs.

C. If a manufacturer or supplier offers a guarantee in excess of the one year requirement outlined herein, then the longer guarantee period will apply for those particular items.

PART 3 EXECUTION - NOT APPLCABLE

451 / Tamarac Discovery Trail 31-05-19 - 1 GEOSYNTHETICS FOR

EARTHWORK

SECTION 31-05-19

GEOSYNTHETICS FOR EARTHWORK

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Geotextile for separation.

1.02 RELATED REQUIREMENTS

A. Section 31-10-00 - Site Clearing.

1.03 REFERENCE STANDARDS

A. AASHTO M 288 - Standard Specification for Geosynthetic Specification for Highway Applications; 2021.

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

C. ASTM D4533/D4533M - Standard Test Method for Trapezoid Tearing Strength of Geotextiles;

2015.

D. ASTM D4632/D4632M - Standard Test Method for Grab Breaking Load and Elongation of Geotextiles; 2015a.

E. ASTM D4833/D4833M - Standard Test Method for Index Puncture Resistance of Geomembranes, and Related Products; 2007 (Reapproved 2020).

F. ASTM D4873/D4873M - Standard Guide for Identification, Storage, and Handling of Geosynthetic Rolls and Samples; 2017 (Reapproved 2021).

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

2012 (Reapproved 2019).

1.04 SUBMITTALS

A. See Section 01-30-00 - Administrative Requirements for submittal procedures.

B. Product Data: Manufacturer's data on each product to be used, including physical properties, seaming materials, and installation instructions.

1.05 QUALITY ASSURANCE

A. Manufacturer Qualifications: Company specializing in manufacturing products specified in this section, with at least three years of documented experience.

1.06 DELIVERY, STORAGE, AND HANDLING

A. See Section 01-60-00 - Product Requirements for additional requirements.

B. Identify, store, and handle geosynthetic rolls and samples according to ASTM D4873/D4873M.

C. Protect materials from sunlight and other ultraviolet light sources during storage.

D. Handle geosynthetics with care and prevent dragging, dropping, or imbalanced lifting.

1.07 FIELD CONDITIONS

A. Temperature Requirements: Do not place geosynthetic when ambient air or base surface temperature is less than 40 degrees F or above 140 degrees F (60 degrees C).

B. Follow recommendations of geosynthetic manufacturer.

PART 2 PRODUCTS

2.01 MANUFACTURERS

A. Agri Drain Corporation: www.agridrain.com, 6 OZ. Engineering Fabric.

B. Other manufacturers meeting specifications, final decision of acceptance by Engineer.

2.02 GEOSYNTHETIC

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

451 / Tamarac Discovery Trail 31-05-19 - 2 GEOSYNTHETICS FOR

B. Uniform thickness according to ASTM D5199.

2.03 GEOTEXTILE

A. General:

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

B. Geotextile for Separation: Capable of restricting adjacent material mixing.

1. Type: Nonwoven.

2. Seams: Loose laid.

a. Overlap:

1) 12 inches (300 mm), minimum, in all directions.

3. Grab Strength: 160 lb (0.711 kN), minimum, when tested in accordance with ASTM D4632/D4632M.

4. Puncture Strength: 410 lb (1.82 kN), minimum, when tested in accordance with ASTM D4833/D4833M.

5. Trapezoid Tear Strength: 60 lb (0.267 kN), minimum, when tested in accordance with

ASTM D4533/D4533M.

6. Stable within a pH range of 2 to 13.

PART 3 EXECUTION

3.01 EXAMINATION

A. Verify the receiving surface is smooth, without ruts or protrusions, and grades are according to design drawings.

B. Verify the geosynthetic is free of defects or flaws that may degrade physical performance.

3.02 PREPARATION

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

B. Compact base with smooth drum roller, 500 LB minimum.

3.03 INSTALLATION

A. General:

1. Notify Engineer a minimum of 24 hours prior to installation.

2. Prevent surface drainage from eroding under geosynthetic. Repair undermined areas prior to backfill.

3. Position geosynthetic smooth and wrinkle free on prepared surface; unroll or unfold carefully, avoiding stretching.

4. Secure geosynthetic to prevent movement or damage during installation.

B. Separation:

1. Install geotextile according to manufacturer's recommendations.

2. Lay sheets in the direction of construction.

3. Repairs: Remove damaged portion of geotextile and seam an additional layer to cover the affected area in all directions.

3.04 BACKFILL

A. Backfill in a manner to prevent damage to geosynthetic. Repair geosynthetic damaged during backfill operations.

3.05 FIELD QUALITY CONTROL

A. See Section 01-40-00 - Quality Requirements for additional requirements.

3.06 PROTECTION

A. Do not exceed geosynthetic manufacturer's recommended exposure to UV radiation.

B. Prevent surface water runoff from contaminating geosynthetic.

END OF SECTION

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451 / Tamarac Discovery Trail 31-05-19 - 3 GEOSYNTHETICS FOR

451 / Tamarac Discovery Trail 31-10-00 - 1 SITE CLEARING

SECTION 31-10-00

SITE CLEARING

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Clearing and protection of vegetation.

B. Removal of existing debris.

1.02 RELATED REQUIREMENTS

A. Section 01-10-00 - Summary: Limitations on Contractor's use of site and premises.

B. Section 01-70-00 - Execution and Closeout Requirements: Project conditions; protection of bench marks, survey control points, and existing construction to remain; reinstallation of removed products.

PART 2 PRODUCTS -- NOT USED

PART 3 EXECUTION

3.01 SITE CLEARING

A. Comply with other requirements specified in Section 01-70-00.

B. Minimize production of dust due to clearing operations; do not use water if that will result in ice, flooding, sedimentation of public waterways or storm sewers, or other pollution.

3.02 EXISTING UTILITIES AND BUILT ELEMENTS

A. Coordinate work with utility companies; notify before starting work and comply with their requirements; obtain required permits.

B. Protect existing utilities to remain from damage.

C. Protect existing structures and other elements that are not to be removed.

3.03 VEGETATION

A. Do not remove or damage vegetation beyond the limits indicated on drawings.

1. General: 3 feet beyond limits of trail, and for rip-rap at trail cuts/fills.

B. In areas where vegetation must be removed but no construction will occur, remove vegetation with minimum disturbance of the subsoil.

C. Vegetation Removed: Do not burn, bury, landfill, or leave on site, except as indicated.

1. Trees: Coordinate any additional tree removals with FWS, known animals on the threatened or endangered species lists inhabit trees in the area.

2. Existing Stumps: Treat as specified for other vegetation removed; remove stumps and roots to depth of 6 inches.

3. Fill holes left by removal of stumps and roots, using site fill material, with top surface neat in appearance and smooth enough not to constitute a hazard to pedestrians.

D. Restoration: If vegetation outside removal limits or within specified protective fences is damaged or destroyed due to subsequent construction operations, replace at no cost to Owner.

3.04 DEBRIS

A. Remove debris, junk, and trash from site.

B. Leave site in clean condition, ready for subsequent work.

C. Clean up spillage and wind-blown debris from public and private lands.

451 / Tamarac Discovery Trail 31-23-23 - 1 FILL

SECTION 31-23-23

FILL

PART 1 GENERAL

1.01 SECTION INCLUDES

A. General fill is existing soil on site.

B. Aggregate fill for trail surface and shoulders.

C. Aggregate for subbase on widened trail for vehicle traffic.

1.02 RELATED REQUIREMENTS

A. Section 31-05-19 - Geosynthetics for Earthwork.

B. Section 31-37-00 - Riprap.

1.03 DEFINITIONS

A. Finish Grade Elevations: Indicated on drawings.

B. Subgrade Elevations: Indicated on drawings.

1.04 REFERENCE STANDARDS

A. AASHTO M 147 - Standard Specification for Materials for Aggregate and Soil–Aggregate

Subbase, Base, and Surface Courses; 2017 (Reapproved 2021).

B. ASTM C136/C136M - Standard Test Method for Sieve Analysis of Fine and Coarse Aggregates;

2019.

C. ASTM D698 - Standard Test Methods for Laboratory Compaction Characteristics of Soil Using

Standard Effort (12,400 ft-lbf/ft3 (600 kN-m/m3)); 2012 (Reapproved 2021).

1.05 SUBMITTALS

A. See Section 01-30-00 - Administrative Requirements, for submittal procedures.

B. Product Data for Manufactured Fill.

C. Soil Samples: 10 pounds sample of each type of fill; submit in air-tight containers to testing laboratory.

D. Materials Sources: Submit name of imported materials source.

E. Compaction Density Test Reports.

1.06 DELIVERY, STORAGE, AND HANDLING

A. When necessary, store materials on site in advance of need. Coordinate location with FWS.

PART 2 PRODUCTS

2.01 FILL MATERIALS

A. General Fill: Subsoil excavated on-site.

B. Granular Fill - Fill Type Class 5 - Gravel: Coarse aggregate, complying with State of Minnesota

Highway Department standard.

C. Granular Fill - Fill Type Class 2 - Crushed Granite: Fine aggregate, complying with State of

[Minnesota] Highway Department standard.

2.02 ACCESSORIES

A. Geotextile: See Section 31-05-19.

2.03 SOURCE QUALITY CONTROL

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

B. Where fill materials are specified by reference to a specific standard, testing of samples for compliance will be provided before delivery to site.

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

451 / Tamarac Discovery Trail 31-23-23 - 2 FILL

D. Provide materials of each type from same source throughout the Work.

PART 3 EXECUTION

3.01 EXAMINATION

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

3.02 PREPARATION

A. Scarify and proof roll subgrade surface to a depth of 6 inches to identify soft spots.

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

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

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

3.03 FILLING

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

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

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

D. Maintain optimum moisture content of fill materials to attain required compaction density.

E. Granular Fill: Place and compact materials in equal continuous layers not exceeding 6 inches compacted depth.

F. Compaction Density Unless Otherwise Specified or Indicated:

1. As noted on drawings.

3.04 FILL AT SPECIFIC LOCATIONS

3.05 TOLERANCES

A. Top Surface of General Filling: Plus or minus 1 inch from required depth. Maintain elevations of adjoining surfaces.

B. Top Surface of Granular Fill: Maintain maximum slopes as noted per Accessibility codes.

3.06 FIELD QUALITY CONTROL

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

3.07 CLEANING

A. Leave unused materials in a neat, compact stockpile located by FWS.

451 / Tamarac Discovery Trail 31-37-00 - 1 RIPRAP

SECTION 31-37-00

RIPRAP

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Riprap .

1.02 RELATED REQUIREMENTS

A. Section 31-05-19 - Geosynthetics for Earthwork.

B. Section 31-23-23 - Fill: Aggregate requirements.

PART 2 PRODUCTS

2.01 MATERIALS

A. Riprap: Limestone type; broken stone; solid and nonfriable; 4 inch minimum size, 12 inch maximum size.

1. Local material differing from above may be used if approved by Engineer in advance.

B. Aggregate: Granular fill, see Section 31-23-23.

C. Geotextile: See Section 31-05-19.

PART 3 EXECUTION

3.01 PLACEMENT

A. Place riprap at embankment slopes and as indicated.

B. Place in a staggered pattern.

451 / Tamarac Discovery Trail 33-42-13 - 1 STORMWATER CULVERTS

SECTION 33-42-13

STORMWATER CULVERTS

PART 1 GENERAL

1.01 SECTION INCLUDES

A. Pipe culvert, joints and accessories.

B. Bedding and slope protection at pipe end.

1.02 REFERENCE STANDARDS

A. ASTM A929/A929M - Standard Specification for Steel Sheet, Metallic-Coated by the Hot-Dip

Process for Corrugated Steel Pipe; 2018.

B. ASTM C14 - Standard Specification for Nonreinforced Concrete Sewer, Storm Drain, and

Culvert Pipe; 2020.

1.03 SUBMITTALS

A. See Section 01-30-00 - Administrative Requirements, for submittal procedures.

B. Product Data: Provide data on pipe, fittings and accessories.

C. Manufacturer's Installation Instructions: Indicate special procedures required to install Products specified.

PART 2 PRODUCTS

2.01 STEEL CULVERT PIPE

A. Corrugated Steel Pipe: Fabricated of ASTM A929/A929M galvanized steel sheet:

1. Shape: Circular, with nominal diameter of 12 inches.

2. Ends: Provide flared end section on both ends.

2.02 BEDDING AND COVER MATERIALS

A. Bedding: Provide washed sand to mid-line of pipe.

B. Cover: Provide soil excavated from site.

PART 3 EXECUTION

3.01 EXCAVATING

A. Excavate culvert trench to 3 inches below pipe invert (existing soil elevation). Hand trim excavation for accurate placement of pipe to elevations indicated.

3.02 INSTALLATION - PIPE

A. Verify that trench cut is ready to receive work and excavations, dimensions, and elevations are as indicated on drawings.

B. Install pipe and accessories in accordance with manufacturer's instructions C. Lift or roll pipe into position. Do not drop or drag pipe over prepared bedding.

D. Shore pipe to required position; retain in place until after compaction of adjacent fills. Ensure pipe remains in correct position and to required slope.

E. Repair surface damage to pipe protective coating with two coats of compatible bituminous paint coating.

3.03 PIPE ENDS

3.04 TOLERANCES

A. Lay pipe to alignment and slope gradients noted on layout drawings; with maximum variation from true slope of 1/8 inch in 10 feet.

3.05 PROTECTION

A. Protect pipe and bedding from damage or displacement until backfilling operation is in progress.

451 / Tamarac Discovery Trail 33-42-13 - 2 STORMWATER CULVERTS