Attachment 2 - SOW La Mina and Big Tree Trail Aug 2021.docx

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La Mina and Big Tree Trail Rehabilitation Construction Project
Solicitation number
12445222R0011
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This statement of work describes a construction project solicitation for the rehabilitation of the La Mina and Big Tree trails located in El Yunque National Forest in Puerto Rico. The solicitation is seeking offers for a firm-fixed price contract between $1,000,000 to $5,000,000 to perform work including construction surveying, erosion control, clearing and grubbing, trail widening, stair and bridge construction, interpretive site work, drainage installation, invasive species removal, tree planting, and material testing. Offerors must be small businesses. The work locations are provided along the La Mina and Big Tree trails and bridges within El Yunque National Forest. The statement of work includes technical specifications for materials, submittals, safety requirements, and performance standards. The Forest Service will award a sole contract for the work described in the statement of work and drawings.

The statement of work also outlines resource protection requirements, procedures for hazardous material discovery, construction schedule submission, site management, traffic control, and final acceptance criteria. It details performance periods and provides coordinates for the trail heads and bridges where work will occur. The Department of Agriculture Forest Service is the contracting agency, with a point of contact of Edward McKee for any questions.

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Solicitation 12****** Statement of Work La Mina and Big Tree Trail Rehabilitation Construction Project

LA MINA AND BIG TREE TRAIL REHABILITATION CONSTRUCTION PROJECT DESCRIPTION/SPECIFICATIONS/STATEMENT OF WORK

DESCRIPTION OF WORK

1. Contractor shall provide all personnel, equipment, transportation, supervision, supplies and support equipment (vehicles), and incidentals to perform this work in accordance with terms, specifications, conditions, and provisions of this solicitation, the contract, laws, rules, and regulations.

2. This work shall consist of: construction surveying and staking, erosion control measures, silt fencing and dewatering structures installation and removal after final acceptance, clearing and grubbing, the removal and resetting of historic rocks/stones located on the boundary of the trail surface, constructing trail widening, constructing trail passing areas, restoration of existing stairs, construction of new stairs, and reconstruction of damaged stairs, constructing new and rehabilitating existing interpretive sites, excavation, geotextile placement, constructing masonry walls with foundations, constructing and erecting new gabion baskets, trail re-surfacing, installing (1) culvert, constructing one (1) mechanically stabilized earth (MSE) wall, constructing open drainages, constructing underdrain systems, removal and demolition of existing bridges and individual tree(s) as specified in drawings, removal of existing invasive plant species, tree planting and mulching, riprap armoring, placing and colored grouted riprap, constructing two (2) new trail bridges and rehabilitating one (1) existing trail bridge #11, removal, replacement, and constructing bridge guardrails, removal, replacement, and constructing trail handrails, removal, replacement, and constructing stair handrails, demolition and disposal of identified existing shelters, hauling off of excessive excavated and accumulated sediment material, and contractor testing of materials.

3. The Government will award none, all, or some optional pay items at any time before and between award and within the timeframe stated in solicitation. All Optional Pay Items -- Railing quantities are “actual quantities” therefore the contractor shall only be compensated for the railing work completed. Optional pay item shall include all personnel, equipment, transportation, supervision, supplies and support equipment, and incidentals to perform this work in accordance with terms, specifications, conditions, and provisions of this solicitation. Refer to the solicited Schedule of Items for more information on the Optional Pay Items.

4. The existing La Mina and Big Tree trail has an average existing width of 2’ – 3’. The overall La Mina and Big Tree trail system is very narrow. The specified work is generally confined within the limits of the existing trail traveled way, adjacent ditches, shoulders, cut/fill slopes, and trail embankment stabilizations. Work shall also include stream crossing improvements such as trail bridge’s construction and rehabilitation.

5. There is some specified work that shall take place outside of the designed and specified trail construction limits work zone. That work shall include the removal of existing invasive planting species, and new tree planting for reforestation. More in-depth information on the invasive species plants removal, new tree planting preparation, and tree planting requirements can be found in the Forest Service Supplemental Specifications Section 626.

6. The El Yunque National Forest can receive rainfall of over 240 inches (6.1 m) per year. The contractor shall be responsible for monitoring the local weather conditions at project site. An unexpected or unanticipated rain shower can develop anytime without warning, which may impact the construction activities. The contractor shall be responsible for protecting all stockpiled material from damages, corrosion, segregations, monitoring and enforcement of their erosion control mitigation measures, resource damage mitigation, and protecting concrete at all times during contract duration. Rain showers can affect concrete activities which can compromise the concrete strength (f’c) and its finishing. Even if rain precipitation isn’t predicted, the contractor shall always be prepared to cover the concrete with a tarp, plastic sheeting, and any other approved method at all times. The contractor shall be sure to seal the edges of their materials to ensure rainwater can’t seep underneath which may impact the integrity of its properties and intentions.

7. The contractor shall be responsible for any damage to existing structures that are not a part of the design or contract requirements for replacement and/or rehabilitation (existing shelters/interpretive sites slabs etc). Any damages occurred by the contractor may be repaired at no additional cost to the government.

8. Any individual tree for removal as specified in the design and the contract requirements shall require the approval of the C.O. and the Forest Biologist prior. No tree removal shall commence until approved in writing by the C.O..

9. Refer to the SUBMITTALS and SHOP DRAWINGS section for all submittals required by the contractor that shall be approved by the USFS and EPA. After review, revisions, and approval, the contractor shall be responsible for implementation of the approved plans for the entire duration of contract until Final Acceptance. All plans, permits, and their implementation shall be the responsibility of the contractor and considered incidental to their proposal.

10. All contractor’s movement or transportation of equipment to or from project site required to pursue the work in the this solicitation, to repair or replace equipment, or for the Contractor's convenience shall be at the Contractor's expense and considered incidental to their proposal.

11. Prior to beginning work, the Contractor is responsible for identifying all appropriate commercial sources of material and equipment.

12. The Contractor is required to have a full time Quality Control/Quality Assurance Manager on site at all times for duration of the contract. The QA/QC Manager shall be required to submit a QA/QC report required once every 7 calendar days. This shall be incidental to the contractor’s proposal.

13. Normal operational hours are approximately from 06:30 am to 5:30 PM Atlantic Standard Time, Monday through Friday (Federal Holidays excluded). Weekend work maybe permitted with written approval from the Contracting Officer (C.O.) prior.

· Federal Holidays

1. New Year’s Day – January 1st

2. Martin Luther King Junior’s Birthday – Third Monday in January

3. President’s Day – Third Monday in February

4. Memorial Day – Last Monday in May

5. Juneteenth – June 19th

6. Independence Day – July 4th

7. Labor Day – First Monday in September

8. Columbus Day – Second Monday in October

9. Veteran’s Day – November 11th

10. Thanksgiving Day – Fourth Thursday in November

11. Christmas Day – December 25th

14. The contractor shall maintain an approved Quality Control Plan. The contractor shall develop and maintain an effective quality control program to ensure services are performed in accordance with the project requirements. The contractor shall develop and implement procedures to identify, prevent, and ensure non-recurrence of defective services. The contractor’s quality control program is the means by which he/she assures himself that his work complies with the requirement of the contract.

15. The government shall evaluate the contractor’s performance in accordance with Quality Assurance to ensure that the contractor has performed in accordance with the performance standards.

16. The Contractor will be issued a Notice to Proceed and work shall begin within (10) calendar days of the notice to proceed. Commence work includes ordering materials, mobilization, and work on site. The contractor shall notify the C.O. and Contracting Officer Representative (COR) seven (7) calendar days prior to the date that work will be ready for final inspection. Final inspection shall be scheduled far enough in advance to allow for punch items to be completed prior to the completion date established by the Notice to Proceed.

17. At all times during the performance of this contract and until the work is completed and accepted, the Contractor shall directly supervise the work or designate in writing an on-site competent superintendent who is satisfactory to the Contracting Officer and has authority to act for the Contractor. The superintendent shall be designated in writing to the Contracting Officer prior to the commencement of work. This individual shall be able to read, speak, and understand English.

18. The Contractor shall exercise caution and care while pursuing the work to prevent unnecessary conflict with, or potential hazards to, road users or others within the work area. The Contractor is to pursue all work on site in accordance with all Federal, State and Local laws governing the transportation and work being performed.

PROJECT LOCATION

La Mina Trail Head Coordinates: 18.30055556, -65.78444444 La Mina Falls Bridge #11 Coordinates: 18.30327, -65.77699 Big Tree Trail Head Coordinates: 18.308866, -65.775056

All work within this solicitation will be located on the El Yunque National Forest which is approx.. 6.90 miles (11.1 Km) south of Rio Grande, Puerto Rico... All construction is within the El Yunque National Forest boundaries within the La Mina and Big Tree Trail’s Forest Recreation Area sites and trails. A vicinity and project location map are provided and enclosed in the attached solicitation drawings.

The solicited work and project location is within a remote Forest Service site in rural/mountain locations, steep, narrow, and brushy terrain. The existing La Mina Trail and Big Tree trail has an average existing width of 2’ – 3’ with concrete surface, and concrete surface with aggregate finish and numerous of steep concrete stairs and steps, and a trail system with multiple switchbacks.

The La Mina Trail Head to the La Mina Falls Bridge #11 drops in an elevation of approx.. 468-feet within 0.732 miles. The Big Tree Trail Head to the La Mina Falls Bridge #11 drops in an elevation of approx.. 65.35-feet within 0.828 miles.

Cell phone coverage may not be available; closest supply sources may be in Rio Grande, Puerto Rico which is 6.90 miles (11.1 Km) north of project location. Potable water, electricity, and sanitary facilities aren’t available at project site.

TECHNICAL SPECIFICATIONS

The work shall conform to these specifications and any supplemental specifications. All work shall be performed in compliance with the most recent Occupational Safety and Health Administration (OSHA) regulations.

The applicable specifications for Construction are the Forest Service Supplemental Specification (FSSS), and the Standard Specifications for Construction of Roads and Bridges on Federal Highway Projects per FP-14.

In case of any discrepancy in the FSSS and the FP-14, the FSSS specifications shall take precedence.

An electronic pdf copy of the FP-14 can be located and downloaded at the link as shown below:

https://flh.fhwa.dot.gov/resources/specs/

CONFORMITY WITH DRAWINGS AND SPECIFICATIONS

The work shall conform to the specifications and drawings provided in the awarded contract. If there’s discrepancy between drawings and specifications, the specifications shall take precedence.

Unless working tolerances are specified, all work performed and materials furnished shall be in reasonably close conformity with lines, grades, cross sections, dimensions, and material requirements shown on the drawings, indicated in the specifications, or designated on the ground. "Reasonably close conformity" is in compliance with reasonable and customary manufacturing and construction tolerances.

a) Definition. "Work" includes, but is not limited to, materials, workmanship, and manufacture and fabrication of components.

b) The Contractor shall maintain an adequate inspection system and perform such inspections as will ensure that the work performed under the contract conforms to contract requirements. The Contractor shall maintain complete inspection records and make them available to the Government. All work shall be conducted under the general direction of the Contracting Officer and is subject to Government inspection and test at all places and at all reasonable times before acceptance to ensure strict compliance with the terms of the contract.

c) Government inspections and tests are for the sole benefit of the Government and do not—

1) Relieve the Contractor of responsibility for providing adequate quality control measures;

2) Relieve the Contractor of responsibility for damage to or loss of the material before acceptance;

3) Constitute or imply acceptance; or

4) Affect the continuing rights of the Government after acceptance of the completed work under paragraph (I) below.

d) The presence or absence of a Government’s COR or Government Technical Monitor (GTM) does not relieve the Contractor from any contract requirement, nor is the inspector authorized to change any term or condition of the specification without the Contracting Officer's written authorization.

e) The Contractor shall promptly furnish, without additional charge, all facilities, labor, and material reasonably needed for performing such safe and convenient inspections and tests as may be required by the Contracting Officer. The Government may charge to the Contractor any additional cost of inspection or test when work is not ready at the time specified by the Contractor for inspection or test, or when prior rejection makes reinspection or retest necessary. The Government shall perform all inspections and tests in a manner that will not unnecessarily delay the work. Special, full size, and performance tests shall be performed as described in the contract.

f) The Contractor shall, without charge, replace or correct work found by the Government not to conform to contract requirements, unless in the public interest the Government consents to accept the work with an appropriate adjustment in contract price. The Contractor shall promptly segregate and remove rejected material from the premises.

g) If the Contractor does not promptly replace or correct rejected work, the Government may (1) by contract or otherwise, replace or correct the work and charge the cost to the Contractor or (2) terminate for default the Contractor's right to proceed.

h) If, before acceptance of the entire work, the Government decides to examine already completed work by removing it or tearing it out, the Contractor, on request, shall promptly furnish all necessary facilities, labor, and material. If the work is found to be defective or nonconforming in any material respect due to the fault of the Contractor or its subcontractors, the Contractor shall defray the expenses of the examination and of satisfactory reconstruction. However, if the work is found to meet contract requirements, the Contracting Officer shall make an equitable adjustment for the additional services involved in the examination and reconstruction, including, if completion of the work was thereby delayed, an extension of time.

i) Unless otherwise specified in the contract, the Government shall accept, as promptly as practicable after completion and inspection, all work required by the contract or that portion of the work the Contracting Officer determines can be accepted separately. Acceptance shall be final and conclusive except for latent defects, fraud, gross mistakes amounting to fraud, or the Government's rights under any warranty or guarantee.

SUBMITTALS and SHOP DRAWINGS The following shall be submitted on this project for C.O.’s approval at least 30 days after Contract Award:

Title
Referenced by Specification No.
Time of Government Approval After Submittal

Electronic Notice of Intent (eNOI) https://cdx.epa.gov

U.S. Environmental Protection Agency EPA
Require EPA Approval (provide EPA submission evidence to the C.O.)
Stormwater Pollution Prevention Plan (SWPPP)
U.S. Environmental Protection Agency EPA
Provide completed electronic copy to the C.O. for approval before construction can commence. A physical copy must always be maintained and updated per SWPPP guidance. Most updated SWPPP shall always be kept at Project Site
NPDES Construction General Permit
U.S. Environmental Protection Agency EPA
Require EPA Approval (provide approved EPA permit to the C.O. before construction can commence)
Accident Prevention (Safety Plan)
FAR Clause 52.236-13
10 Days
Schedules for Construction Contracts (Project Work Schedule)
FAR Clause 52.236-15
10 Days
Spill Prevention, Control, and Countermeasure (SPCC) Plan
FP-14 107.10(b)
10 Days
Traffic Control Proposal
FSSS 156.03
10 Days
Contractor Quality Control Plan
FSSS 153.02
10 Days
Notification of Proposed Contractor-Provided Material Sources
FP-14 105.02(c)
10 Days
Soil Erosion and Sediment Control Plan
FSSS Section 157
10 Days
Dewatering Structures Plan
FSSS Section 157
10 Days
Staging and Storage Stockpiling of Materials Plan
NEPA (Categorical Exclusion (CE))
10 Days
Helicopter Transporting Services Plan (Submittal required) If this method is chosen, the helicopter transporting services is only permitted to fly along and/or east of PR-191 Highway, or a minimum of 0.62 miles (1 kilometer) away from the US FWS aviary. (After approved Plan, the contractor shall notify C.O. a min. of two weeks in advance)
NEPA (Categorical Exclusion (CE))
10 Days
Protection of Existing Historic Structures (Existing Trail Bridge Structures that will be crossed, Additional Structures and Features as applicable)
NEPA (Categorical Exclusion (CE))
10 Days
Contractor’s Quality Control/Quality Assurance Manager (QA/QC Manager required for duration of contract. QA/QC report required once every 7 calendar days)
As Required by Statement of Work
10 Days
Contractor’s Accessibility Plan (Contractor shall submit a plan to the C.O. for approval that address in detail how the contractor will access the site and in detail the importing of materials, supplies, tools, and equipment to and from specific locations utilizing the La Mina and Big Tree Trail System)
As Required by Statement of Work
10 Days

MATERIAL CERTIFICATIONS AND TESTING REPORTS SUBMITTALS

The following material certifications and/or testing reports shall be submitted on this project for C.O.’s approval at least 30 days after Contract Award:

Title
Referenced by Specification No.
Certified Testing Reports (Bridge #5, #6, and #11 Bridge substructure and superstructure concrete testing and structural backfill testing Refer to pay item 15401)
As Required by Specifications
Soil Erosion and Sediment Control Plan and Dewatering Structure Plan Inspection Report (Contractor’s Inspection Report required once every 7 calendar days for duration of contract. Shall submit to C.O.)
FSSS Section 157.14
Silt Fencing
FP-14 Section 713.16
Structural Backfill (bridges embankment material, imported commercial source)
FP-14 Section 704.04
Aggregate Grading C (imported commercial material)
FP-14 Section 703
Select Granular Backfill (Masonry Wall and Interpretive Site A – imported commercial source)
FP-14 Section 704.08
Crushed Stone Finish (La Mina and Big Tree Trail Expansion, Trail’s Passing Areas, New Stair Construction and Stair Reconstruction Embedded & Exposed Surfacing Material. Requires a gradation cutsheet and a physical sample submittal of each material to be used from commercial source for all surfacing material. Also requires C.O.’s written approval of material before contractor’s purchase and construction commencement – imported commercial source)
Drawings Sheet C-200 and Sheet L-910.10
Riprap (imported commercial source)
FP-14 Table 705-1
Earthwork geosynthetics, type C Class I (geotextile)
FP-14 Table 714-1
Gabion baskets
FP-14 Section 253 and 720.02
Riprap Grout Mix (shall be colored. Submittal required for grout mix and grout color to match existing surroundings)
FP-14 Section 725.13
Masonry Retaining Wall (grout, reinforcement, concrete mix design, falsework, forms, geotextile, mortar, masonry facing submittal)
FP-14 Section 620
W14x30 Steel Beams (ASTM A36 Carbon Steel)
Drawings
Interpretive Site A Retaining Wall (reinforcement, minor concrete mix design, falsework, forms, assemble hardware & apparatus, geogrid, geotextile, MSE Wall facing submittal)
Drawings
Minor Concrete
FP-14 Table 601-1
Structural Concrete Class A (mix design, tremie(s), concrete pumps etc)
FP-14 Table 552-2
Elastomeric expansion joint Seal
FP-14 Section 552.14
Underdrain System w/ Sheet Drain (Type S Pipe w/ Class 2 Perforations per AASHTO M-252)
FP-14 Table 714-3
Clear anti-slip Epoxy (10-yr warranty)
Drawings
Bridge Guardrail Materials and Tubing
Drawings
Stair Guardrail Materials and tubing (composite posts, concrete posts, reinforcement and concrete mix design w/ specified f’c strength)
Drawings
Trail Guardrail Materials and Tubing (composite posts, concrete posts, reinforcement and concrete mix design w/ specified f’c strength)
Drawings
Reinforcing Steel
FP-14 Section 554.04
Planting, (Approved planting species, plant species certification tag, and requires the El Yunque National Forest’s Ecologist visual inspection for approval prior to purchase and before on-ground planting can commence)
FSSS Section 626
Mulching, Dry Method (mulch shall be weed free)
FP-14 Section 625
All Interpretive Site Materials – Site #2, #7, #9 and #12 (all reinforcement, minor concrete mix design, falsework, forms, roofing materials (color, type etc), installation, and erection apparatus, all assemble hardware & apparatus, benches, boulders, geotextile, and the stone finish aggregate submittal)
Drawings

MOISTURE SENSITIVE SOILS

(NOTE: For use on trail project where material to be excavated is expected to be moisture sensitive.)

Contractors are cautioned that the trailway structure design load is critical and shall be monitored during periods of excessive moisture. Materials on this project are sensitive to excessive moisture and will require careful selection and scheduling of equipment to permit efficient operation. Any damage resulting from operations, which renders the material unsuitable for use or results in potential siltation of streams, will be corrected by the Contractor at Contractor's expense.

CONTROL OF MATERIAL

Rights In and Use of Materials

a) The Contractor, with the written approval of the Contracting Officer, may use on the project suitable stone, gravel, and sand, or other material found in the excavation. Payment will be made both for the excavation of such materials at the corresponding contract unit price and for the pay items for which the excavated material is used. The Contractor shall replace without additional compensation sufficient suitable materials to complete the portion of the work which was originally contemplated to be constructed with such material.

b) Materials produced or processed from Government lands in excess of the quantities required for performance of this contract are the property of the Government. The Government is not obligated to reimburse the Contractor for the cost of their production.

Material Sources

a) Designated Sources – N/A

b) Contractor Furnished Sources – All materials and importing of materials shall be the sole responsibility of the contractor. All material incorporated into the work covered by this contract shall be new and free of any defects (used material is not acceptable) and of the most suitable grade for the purpose intended and shall conform to Far Clause Section 36.505 - Material and Workmanship. A submittal is required for approval of all commercial source materials.

All aggregate and riprap imported materials for this project shall come from an approved facility for which the Office of Permits Management (“Oficina de Gerencia de Permisos” or OGPe) has issued a formal permit for sand and gravel extraction. The Contractor shall be responsible for providing the specified product with no adjustment in contract price. Quality Testing shall be the responsibility of the Contractor. Test results shall be furnished to the Contracting Officer for evaluation and approval.

Storage Stockpiling of Materials

a) Materials shall be stored to assure the preservation of quality and fitness for the work. Stored materials shall be located to facilitate their prompt inspection. Designated sites on Forest Service administered land, may be used for storage purposes and for the placing of Contractor's plant equipment as approved by the C.O..

The contractor shall not place or plan their staging areas where there are known invasive plants. These locations will be identified by the designated Forest Ecologist.

Contractor’s materials, equipment, and supplies are to be staged in approved parking lots at Big Tree Trailhead and/or Palo Colorado Recreation Area, administrative access areas, and approved staging areas along the trail. All storage sites provided by the Forest Service shall be restored at the Contractor's expense. The contractor shall be responsible for making arrangements for storage on other than Forest Service administered lands.

Earthwork Tolerances

a) Changes within specified tolerances (such as adjustment of horizontal or vertical alignment) shall be approved in advance by the C.O. and made as necessary to maintain earthwork quantities substantially as designed within balance points. Such adjustments shall not be considered as "Changes" under Clause 52.243-5.

SAFETY

During the execution of this contract, the Contractor shall conform to the rules and regulations as set forth by OSHA Safety and Health Standards, 29 CFR Part 1926 – Safety and Health Regulations for Construction or the US Army Corps of Engineers “Safety and Health Requirements Manual”, Sept 15 2008 (free online) whichever is more stringent. Smoking will not be permitted in any building or structure. Fire precautions to prevent wildfire shall be included or initiated when weather and site conditions pose a significant opportunity for ignition of wildfire.

The Contractor shall abide by all Federal and State laws pertaining to the health and safety of individuals and equipment on the worksite. This includes minors working or observing the operations of the work in the field.

Contractor shall provide a written job-specific Safety Plan for the inherently hazardous conditions that exist during operations such as scafolding Part 1926 Subpart L (Scaffolds), buoyant vests, harness, and fall protection standards which is available online at our www.osha.gov.

The Contractor’s Safety Plan shall identify and describe any inherently hazardous conditions and specific actions to reduce these hazards such as but not limited to: trail slip and fall mitigations, bridge fall protection mitigations, importing of materials hazards and mitigations, trail oncoming and incoing traffic mitigations etc . This plan shall be provided to the Contracting Officer (CO) at the post award conference and shall be approved by the government before any work may commence. Work shall not commence on this project if the Contractor fails to provide the CO with an approved Safety Plan. Contractor’s approved Safty Plan shall be implemented by the contractor at all times during the duration of this contract.

SITE MANAGEMENT

The Contractor shall exercise caution and care while pursuing the work to prevent unnecessary conflict with, or potential hazards to others within the work area. Always maintain site free of hazards. Safety equipment, fencing and barriers shall be installed per safety plan. Erosion control and sedimentation structures shall be constructed in accordance with Federal, State and Local regulations as applicable. Historical and/or archeological issues shall be addressed as needed. The Contractor is to pursue all work on project site in accordance with all Federal, State and Local laws governing the transportation and work being performed.

TRAFFIC MANAGEMENT / TRAIL CLOSURE

The Contractor shall erect warning signs in advance to any place on the project where operations may interfere with the use of the trail by traffic and at all intermediate points, where the new work crosses or coincides with an existing trail. The Contractor will post warning signs on each end of the section of trail being worked. Signs are to be of the size, quantity, and colors as required in the current edition of the "Manual on Uniform Traffic Control Devises", (MUTCD). These signs shall be moved as needed to properly delineate and identify the section of the trail being constructed or repaired. All slow-moving equipment is to have a reflectorized "slow-moving" vehicle emblem properly attached.

The Contractor shall provide, erect and maintain all necessary barricades, suitable and sufficient lights, danger signals, signs, and other traffic control devices, and shall take all necessary precautions for the protection of the work and safety of the public and their workers.

All work requiring closure of a road and/or trail must be scheduled and approved by the Contracting Officer (CO) in writing prior to the commencement of that portion of work. If for any reason traffic hazards (segments of unfinished work which may present a hazard such as rolls of surface material, berms on the shoulder, etc.) are left in or adjacent to the trail after normal working hours, the work is to be properly signed before and after the hazardous area with a Hazardous and/or Warning Sign(s). Signs shall provide adequate visibility and legibility conforming to Table 2A-3. Minimum Maintained Retroreflectivity of the MUTCD.

The MUTCD can be downloaded for free at https://mutcd.fhwa.dot.gov/

TEMPORARY FACILITIES

(a) STAGING AREA: The contractor will be responsible for providing a staging and material’s staging plan for C.O.’s approval covered in section “SUBMITTALS and SHOP DRAWINGS” of this Statement of Work. The Government will work with the contractor on the approval of the contractor’s proposed adequate staging areas. No staging of materials shall commence until approved by the C.O..

The Government will not provide any secured storage/staging areas for the Contractor. The Contractor shall be responsible for protecting their own materials stockpiled against adverse weather, damage, theft, and other risks of loss. The Government assumes no responsibility for material or equipment left in the storage area and/or project site.

(b) SANITARY FACILITIES: Toilet facilities will not be provided by the Government at project sites.

(b) WATER: Non-potable water may be drafted from the Río de la Mina River during construction activities to meet contract specifications, but the water drafting shall not exceed the minimum flow. The USFS will provide low water indicator to the contractor whereas water may be drafted when above this measure and not when below. All standard USFS BMP’s will be provided to the contractor. Refer to FSSS Section 170 for all drafting requirements that shall include but not limited to: pumps, drafting hoses, cleaning of hoses, capping of hoses when not in use, daily inspections, screening requirements etc.

(c) ELECTRICITY: Not available

(d) TELEPHONE: Not available

RESOURCE PROTECTION

During the duration of construction, the Contractor shall preserve and protect all existing historical structures, and protect vegetation (such as trees, shrubs, and grass) adjacent to the work site not found within the clearing limits, which are not to be removed and which do not unreasonably interfere with the work required under this solicitation. Operations shall be scheduled and conducted to minimize erosion of soils and to prevent silting and muddying of streams, rivers, irrigation systems, and impoundments (lakes, reservoirs, etc.).

The Contractor shall give attention to the effect of contract operation upon the landscape, shall take care to maintain natural surroundings undamaged, and shall conduct the work at all times in compliance with the following requirements.

a) Prevention of the Landscape Defacement. The Contractor shall not remove, deface, injure, or destroy trees, shrubs, lawns, existing trial bridges not for replacement, or other natural features or any other improvements in the work area unless specifically authorized by the Contracting Officer. Unless otherwise provided herein, the Contractor shall confine contract operations to within the areas designated in contract documents. Existing trail bridge’s structures may require road plates cut to fit field condition or equal for live loading and equipment passing.

b) Protection of Streams, Lakes, and Reservoirs. The Contractor shall take sufficient precautions to prevent pollution of the Río de la Mina River, streams, lakes, small ponds, and reservoirs with fuels, oils, bitumens, calcium chloride, silt, or other harmful materials. Mechanical equipment shall not be operated in live streams without written approval of the Contracting Officer. The Río de la Mina River is a National Wild and Scenic River.

The construction and rehabilitation works of this project should be performed under low-water conditions to facilitate construction and reduce turbidity and sedimentation downstream. The proposed construction and rehabilitation works must not reduce the hydraulic section of the river under any circumstance.

c) The contractor shall take sufficient precautions to buffer and prevent damage to existing historic features of the trail during construction. Historic features include but are not limited to staircases, stone masonry retaining walls, trail bridges, paved ways, historic cabins, stone masonry platforms, French drains, rock drains or other contributing features to the historic integrity of the La Mina and Big Tree Trail system.

ENDANGERED OR PROTECTED SPECIES

In the case of a discovery of a Endanger or protected species during construction, the contractor will be notified in writing by the C.O. to stop all work for further evaluation and to put in place mitigations to protect the Endanger or protected species area prior to resuming work. Endanger or protected species include: Broad winged hawks nests, Sharp-Shinned Hawk nests and Puerto Rican Boas

In the case of a discovery of a broad-winged hawk nest during construction, the contractor will be notified in writing by the C.O. to stop all work on the Big Tree Trail for further evaluation and to put in place mitigations to protect the broad-winged hawk nest area prior to resuming work.

CONSTRUCTION SCHEDULE/VALUES

The contractor shall submit a practicable schedule showing the order in which the Contractor proposes to perform the work, and the dates on which the Contractor contemplates starting and completing the several salient features of the work (including acquiring materials, labor, equipment, and activity proposed for each day of operations) per FAR Clause 52.236-15. A final construction schedule shall be submitted within 5 days after the Notice to Proceed. A schedule of values linking the payment items to the Construction Schedule shall be prepared. This document shall describe multiple activities being proposed from start to finish of the project and show construction work completion in percentage.

The construction schedule shall define the overall time required to perform the identified work. This time schedule shall determine the overall level of effort by discipline for the task. Each major task, including beginning time and ending time, shall be identified within the schedule.

Notify the Contracting Officer whenever there are significant departures from the approved Construction Schedule. Submit any requests to modify the Construction Schedule, in writing to the Contracting Officer with an explanation for the deviation.

CLEAN-UP

During construction duration and before Final Acceptance of work, the project site shall present as near a natural appearance as possible and cleaned up by removing all waste, garbage, trash, debris, excessive excavation material, excessive material, and materials not utilized in its entirety. Cleanup shall include disposal of all waste, garbage, trash, debris, excessive excavation material, excessive material, and materials not utilized in its entirety by recycling and/or disposing legally off the project site and off National Forest’s Lands legally in a certified sanitary landfill or at other approved and certified solid waste disposal facility, with the capacity to receive and process these waste types.

FINAL ACCEPTANCE

The Government may inspect, sample, or test work before final acceptance of the project. The contractor shall maintain the work during construction and until the project is accepted. The contractor will be responsible for repair damage caused by the Contractor before final acceptance of the entire project at no cost to the Government. See FAR Clause 52.236-11 Use and Possession Prior to Completion.

Before Government’s Final Acceptance of work, any structure needed for dewatering and all erosion control measures in-place shall be removed by the contractor. All stream contours and affected areas by the contractor shall be restored to their pre-disturbance conditions before Final Acceptance.

The contractor shall notify the CO when the entire project is complete to schedule a Final Inspection. If work is determined to be complete, the inspection will constitute the final inspection. The Contractor will be notified in writing of final acceptance as of the date of the final inspection. After Final acceptance of project, the contractor shall be responsible for all completed construction and provide a warranty of all work and materials for a period of 1 year from the date of Government’s Final Acceptance of the work per FAR Clause 52.246-21 - Warranty of Construction.

If the inspection discloses unsatisfactory work, the CO will provide to the Contractor a list of the work that is incomplete or requires correction. Immediately complete and/ or correct the work. Submit notification when the work has been completed as provided above.

CONTROL OF NOXIOUS WEEDS – CLEANING OF EQUIPMENT (DEC 1997)

To prevent the introduction and control the spread of seeds of noxious weeds onto and around National Forest land, the Contractor shall ensure all equipment moved onto National Forest land is free of soil, seeds, vegetative matter, or other debris that could contain or hold seeds.

The contractor shall notify the C.O. and C.O.R. a minimum of fifteen (15) business days in advance of equipment arrival. Government inspection is required before any unloading of equipment. The Contractor shall certify, in writing, compliance.

All contractor’s vehicles and equipment inspections shall be done from PR-191 at the entrance of the El Yunque National Forest, either in front of El Portal or Catalina.

All inspections and weed preventions measures shall conform to the requirements of the FSSS Section 171 – Weed and Disease Prevention. Contractor shall be familiar and conform to the FSSS for details of the equipment and vehicles cleaning, washing, inspection, acceptance, requirements, and payment method.

File details come from the government source that posted it. Updated .