Atch_1_Quivira_SOW.pdf

SECTION C

STATEMENT OF WORK

TO

REPLACE OBSERVATION DECK REMP

AT

QUIVIRA NATIONAL WILDLIFE REFUGE

(16-048)

I. JOB DESCRIPTION

A. The Contractor shall furnish all labor, materials, and equipment necessary to construct a new HCA access ramp for the existing observation deck and to modify the deck.

B. The existing deck has a 6’x6’ extension that serves as the top landing for the existing ramp. This extension will be removed as part of this project. The top landing is part of the new ramp.

C. Quivira NWR personnel will remove the existing ramp up to, but not including, the extension described in Paragraph I.B. above.

D. The existing trellis above the deck and its support structure will be removed as part of this project.

E. The 6 wooden support columns will be removed from the existing deck and replaced with W4x13 wide flange steel beams as part of this project.

F. The Contractor is encouraged to suggest any changes to the project that will result in lower shop fabrication and/or field installation costs.

II. PROJECT LOCATION

A. The project site is located on the Quivira National Wildlife Refuge (NWR), 1434 NE 80th Street, Stafford, Kansas, approximately 1-1/4 mile north of NE 70th Street. Refer to attached drawing no. 6R-KS-447-16-048, Sheet 1 for a location map of the site.

B. The Contractor is strongly urged to visit the site and become familiar with existing conditions prior to submitting a bid or proposal. Failure to ascertain the nature, location, and conditions which affect the work will not relieve the Contractor from the responsibility for successfully performing the work. Prospective bidders may inspect the site by making arrangements with the Project Leader at (620) 4862393.

III. PROJECT CONDITIONS

A. The work is to be performed at the observation deck near the Refuge headquarters. See sheet 1 of Drawing No. 6R-KS-447-16-048 for project site location.

1. An existing gravel road provides access to the project site. The observation deck is within 50 feet of the road and parking lot. The entire site is accessible by car or light truck.

2. The site has no running water, electricity, or toilet facilities. Water is available approximately ¼ mile away at the refuge headquarters. The Contractor shall provide portable generators and portable sanitary toilet facilities for this project.

3. The existing ramp will be removed by Quivira NWR personnel.

B. From testing done at the time of construction of the existing deck, soil bearing pressure is 1,500 PSF.

IV. PROJECT REQUIREMENTS

A. The Contractor shall shop fabricate and field erect a new steel HCA ramp with fiberglass grating walking surface for the existing observation deck.

1. A set of AutoCad drawings and the AutoCad drawing file have been provided to aid in performing the work. The drawings were made the original observation deck and access ramp construction drawings. Many dimensions on the provided drawings were scaled from the original drawings. The Contractor shall field verify the dimensions and is authorized to modify any concrete pad size and/or orientation as necessary.

2. All concrete pads shall be constructed to the same finished elevation as the existing concrete pads and concrete slab below the deck.

3. The Contractor shall edit drawings as necessary to document any changes and to show final as-built conditions. The As-Built drawings shall be submitted upon project completion.

4. The Contractor shall verify that any changes to the design comply with the Americans With Disabilities Act Requirements for Accessibility.

5. Ramps shall not exceed a running slope of 1:12 per ADA requirements.

6. The steel components shall be primed and painted.

a. Primer shall be Sherwin-Williams B50AV11, or approved equal, applied per manufacturer’s instructions.

b. Paint shall be Sherwin-Williams HydroGloss, or approved equal, applied per manufacturer’s instructions.

B. The Contractor shall review the drawings and, with written approval, make any changes necessary to the drawings to accomplish the intent of the design.

1. The intent of the design is to:

a. erect shop fabricated ramp components with no field modification of components except for those called for on the drawings or in this document.

b. minimize the shop fabrication cost and field erection cost.

c. provide an access ramp which will be maintenance free during its useful life.

C. The Contractor shall modify the existing deck as shown on Sheet 16 of Drawing No.

6R-KS-447-16-048. These modifications included:

1. Remove the existing trellis and all trellis supports from the deck.

2. Remove the extension that serves as the top landing of the access ramp

a. Remove the composite decking from the extension.

b. Cut the exposed 2 x 12 joists to the same length as the remaining joist supporting the decking.

c. Replace the entire rim joist to cover all the exposed 2 x 12 joist ends or adding a section of rim joists to cover the newly cut ends of the joists.

3. Remove the existing wooden support columns and their cross bracing and replace them with W4x13 wide flange steel beams.

a. The Contractor must ensure that the deck is at the same height as the top landing of the new ramp before drilling holes in the beams and bolting them to the deck.

D. The new concrete pads shall be constructed as shown on Sheet 7 of Drawing No. 6R-

KS-447-16-048.

1. The Contractor shall clear and grub the areas where new concrete will be placed.

2. The soil shall be compacted to 95% of maximum Proctor density in the areas where new concrete will be placed.

E. The Contractor may substitute approved equals to any of the materials on the drawings.

Approval must be received prior to purchase of materials and start of construction.

V. SUBMITTALS

A. All submittals required from the Contractor after Contract award are listed on the Submittal List. Submittals shall be accompanied by a Government-furnished electronic submittal form which shall be used for approving or disapproving the material or item.

B. The Contractor shall submit a detailed project schedule for approval within 10 days of the Notice to Proceed (NTP). It shall including the following:

1. Breakdown of project tasks for both the design and construction phases.

2. Sequence of project tasks with start dates, duration, and finish dates, with proper time allowances for prerequisites.

3. Project tasks shall include the proposed dates for each of the required submittals, with the proper time allowances for review by the Government. The Contractor shall allow seven (7) calendar days but not more than fourteen (14) calendar days from date of receipt for Government review of the submittals.

C. The Contractor shall submit receipts showing the ASTM specification for the structural steel purchased for ramp within 5 days of receipt of steel.

D. The Contactor shall submit product data on the fiberglass grating to be used as the walking surface.

E. The Contractor shall submit the concrete mix design for the reinforced concrete pads shown on Sheet 7 of Drawing No. 6R-KS-447-16-048 for approval. Approval must be obtained before start of work.

F. The Contractor shall submit the concrete test results to the Contracting Officer according to the schedule in Paragraph VII.

G. The Contractor shall submit manufacture’s product data on all fasteners to be used to erect the access ramp. Approval must be obtained before start of work.

H. The Contractor shall submit manufacture’s product data on the primer and paint to be applied to the access ramp components. Approval must be obtained before start of work.

I. The Contractor shall submit manufacture’s product data on any composite plastic decking material purchased for this project. Approval must be obtained before start of work.

J. Contractor shall submit final as-built drawings at time of final acceptance and prior to final payment.

K. The Contractor shall submit copies of any permits needed to complete this work prior to starting work.

VI. GENERAL REQUIREMENTS

A. Environmental Protection

1. Pollution Control: The Contractor shall abate and control all environmental pollution arising from construction activities by complying with all applicable Federal, State, and local laws and regulations concerning environmental pollution control and abatement, as well as the specified requirements in this contract.

Compliance with this requirement by Subcontractors will be the responsibility of the Contractor.

2. Prevention of Water Pollution: During construction the Contractor shall comply with all applicable Federal, State, and local laws and regulations concerning the control and abatement of water pollution.

3. The Contractor’s construction activities shall be performed by methods that will prevent entrance of accidental spillage of solid matter, contaminants, debris, and other objectionable pollutants and wastes into flowing streams or dry watercourses, lakes, ponds, and underground water sources. The Contractor shall dispose of all pollutants such as petroleum products, rubbish, cement, concrete, and objectionable material at a legal, offsite disposal site.

4. Abatement of Air Pollution: The Contractor shall comply with applicable Federal, State, and local laws and regulations concerning the prevention and control of air pollution.

5. Construction activities shall be performed in such a manner that air pollution is held to a minimum.

6. Burning of materials, trees and brush, combustible construction materials, and rubbish will not be permitted. Construction debris shall be hauled off the site to an approved landfill area.

B. Environmental Litigation: Time lost due to work stoppage because of failure of the Contractor to comply with these requirements may not be the subject of a claim for extension of time or for costs or damages.

C. Fossils and Cultural Materials:

1. Should the Contractor discover any fossils or cultural materials during construction operations, such objects shall become the property of the Government. The Contractor shall cease construction operations in the area of the "find," and immediately notify the Refuge Manager of such discovery. Construction operations may proceed in other areas not affected by this clause. Care shall be exercised by the Contractor not to damage or collect fossils or cultural materials uncovered during excavation operations.

2. Failure to comply with this requirement may be considered a violation of the Archeological Resources Protection Act of 1979 as amended. Destruction of historic and prehistoric sites and/or unauthorized collection of cultural materials can result in criminal and/or civil penalties. Penalties can include fines, prison sentences, and/or confiscation of equipment.

D. Temporary Facilities and Controls

1. The Contractor shall be responsible for providing temporary electrical service for equipment to perform the work. Provide and maintain temporary lighting including at all barricades as may be required for safety.

2. The Contractor shall provide communication devices that are available and ready at the work site, for conducting business and to alert others in emergency situations.

3. Toilets

a. The Contractor shall provide and maintain portable sanitary toilet facilities for all workmen during the construction period. When toilet facilities are no longer required, promptly remove them from the site. Disinfect and clean or treat the area where the toilet facilities were located as necessary.

b. The Contractor shall provide and maintain facilities in accordance with the requirements of applicable local and State Health authorities and OSHA.

c. The Contractor shall keep all toilet facilities clean and supplied with toilet paper at all times.

4. The Contractor shall provide, protect, and maintain an adequate water supply for use on the project for construction purposes.

5. The Contractor shall be responsible for providing potable water for the workers.

E. Access Roads and Storage Areas

1. All operations of the Contractor (including storage of materials) upon Government premises shall be confined to areas authorized or approved by the Contracting Officer.

2. Restore all storage areas and areas disturbed by construction to their original condition, or as approved by the Contracting Officer upon completion of the work.

3. Observe all laws and regulations of the local, county, and state authorities in the use of all public roads and highways for the transportation of materials and equipment in connection with work on the project. Observe all overhead construction, bridges, cables, and the like. Repair damage to roads, highways, overhead construction and similar items, resulting from operations in connection with this project.

F. Protection and Restoration: The Contractor shall protect all structures and vegetation during the progress of the work, shall remove from the site all debris and unused materials. The Contractor shall, upon completion of the work, restore the site as nearly as possible to its original condition, including the replacement, at the Contractor's expense, of any facility or landscaping which has been damaged. The Contractor shall limit removal of any vegetation to those which interfere with the construction.

G. Safety

1. The Contractor shall assume full responsibility and liability for compliance with all applicable Federal, State, and local regulations pertaining to the protection of workers, visitors to the site, and persons occupying areas adjacent to the site, including the provisions of 29CFR1910 and 29CFR1926 of the Code of Federal Regulations. The Contractor shall hold harmless the Government for failure to comply with any applicable safety or health regulations on the part of himself, his employees, or his subcontractors.

2. Every employee is responsible for complying with applicable safety requirements, wearing prescribed safety equipment and preventing avoidable accidents and property damage.

3. Provide and maintain a basic first aid kit for use of workmen. Provide first aid supplies commensurate with size of project, with items necessary for first aid treatment of all injuries. Advise all workmen of the location of first aid supplies.

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

Communication devices shall be available and ready at the work site, to alert others in emergency situations.

5. Provide at least one nonfreezing-type fire extinguisher in each field office, workshop, and storage shed at the work site. Place in location readily accessible to workers.

H. Traffic Regulation: The Contractor shall provide, erect and maintain all necessary barricades, suitable and sufficient flasher lights, flagmen, danger signals and signs, and shall take all necessary precautions for the protection of the work and the safety of the public. Roads closed to traffic shall be protected by effective barricades on which shall be placed acceptable warning signs. All barricades and obstructions shall be illuminated at night and all lights shall be kept burning from sunset until sunrise.

Install appropriate traffic signs at crossroads and approaches to site as needed to direct all affected traffic. Specific sign and barricade requirements are detailed in ANSI D61, "Manual on Uniform Traffic Control Devices."

I. Means and Methods

1. Means and methods of construction shall be such as the Contractor or subcontractors may choose; subject, however, to the Contracting Officer's right to reject means and methods proposed which constitute a hazard to the work, persons, or property. Rejection of means and methods does not imply acceptance of control of means and methods by the Contracting officer. Means and methods shall remain the responsibility of the Contractor.

VII. QUALITY CONTROL

A. INDEPENDENT TESTING LABORATORY

1. Testing Laboratory

a. Independent testing laboratory shall be selected by the Contractor and the name and qualifications of the proposed laboratory submitted for approval.

b. The selected laboratory shall provide qualified personnel to perform specified tests and inspections.

2. Contractors Responsibilities

a. The Contractor shall conduct and pay for all tests included in these specifications, unless specifically noted or provided by the Government.

b. The Contractor shall make available to the testing laboratory, all materials to be tested and identify the source of the material.

c. The Contractor shall promptly submit written reports from the testing laboratory covering each inspection and test to the Contracting Officer.

d. After initial tests have been performed, if materials, and/or workmanship do not comply with these specifications, the Contractor shall pay for any additional testing that may be required, after correction or replacement, to insure compliance.

B. TEST STANDARDS

1. Tests shall be conducted in accordance with the requirements of the designated specifications or, where not specified, the latest standards of the American Society for Testing and Materials.

C. TESTS AND LABORATORY SERVICES REQUIRED

1. Concrete

a. When requested by the Contracting Officer, the Contractor shall inspect and test materials during concrete work to substantiate compliance with specifications and mix requirements.

b. Slump Test

i. Slump shall be tested in accordance with ASTM C143.

ii. Slump tests shall be taken for each load of concrete delivered, or 1 test for each 9 yards. Slump tests shall be taken by the approved testing laboratory.

iii. The Contracting Officer reserves the right to perform additional slump tests at any time.

c. Air content shall be tested in accordance with ASTM C231. Test air content of first load of concrete delivered, and each time test cylinders are cast.

i. Test Cylinders

ii. Provide one set of test cylinders for each 15 cubic yards of each class of concrete placed each day, with a minimum of one set of test cylinders made for each day concrete is placed. Each set of test cylinders shall consist of three cylinders.

iii. The Contractor shall make and cure test cylinders in conformance with ASTM C31. No sooner than 24 hours after taking cylinders, carefully transport cylinders to testing laboratory for moisture curing. Test cylinders shall be made in the presence of an authorized representative of the Contracting Officer.

iv. Identify all test cylinders with symbols to indicate placement locations on the job represented by the test cylinders, and note on record drawings.

v. Perform compression tests. Test one cylinder to failure at 7 days and one at 28 days, in accordance with ASTM C39. Maintain other cylinder for testing in the event the 28-day test falls below required strength.

D. TEST REPORTS

1. Submit two copies of each test report to the Contracting Officer, with copy to the Contractor, within the following time frame:

Concrete Slump and Air Content Tests

Verbal or telephone report to Contracting Officers Representative at conclusion of tests. Written report within 4 days of test.

Concrete Test Cylinder Compression Test

Written report within 4 days of test.

VIII. PERFORMANCE

A. This project shall be completed within 90 days of receipt of the Notice to Proceed.

Construction will not continue on Saturdays, Sundays, or Federal holidays without prior permission of the Contracting Officer.

B. The Contractor shall procure all permits and licenses, pay all fees and taxes, and give notices necessary to perform the services of the contract.

C. The Contractor shall be liable for damages to roads, utilities, structures, and property, due to any act, omission, neglect, or misconduct during the period of performance of this Contract.

END OF STATEMENT OF WORK

C. The Contractor shall be liable for damages to roads, utilities, structures, and property, due to any act, omission, neglect, or misconduct during the period of performance of this Contract.