A04_Scope_of_Work_0001.pdf

NATIONAL PARK SERVICE

Colonial National Historical Park

York and James City Counties, Virginia

SCOPE OF WORK

General Tree Management Services Blanket Purchase Agreement

April 27, 2022

1.0 OBJECTIVE AND LOCATION

A. This project will consist of tree maintenance to include takedown, trimming, pruning, and downed tree cleanup.

Work will include many various sizes and species of trees. Exact quantities are not known from year to year. This contract will be a single award Blanket Purchase Agreement (BPA) with a base and three option periods.

B. Colonial National Historical Park is located in three municipalities in Virginia, York County, James City County, and the City of Williamsburg. The majority of work will take place along the Colonial Parkway, which stretches 36 km from Yorktown, VA to Jamestown, VA. Other locations include the Yorktown Battlefield Tour Roads, Yorktown Battlefield, Jamestown and the Jamestown Island Loop Road.

2.0 GENERAL

A. Perform all general tree maintenance (felling, trimming, pruning, removal, and downed tree cleanup) work in accordance with this Scope of Work for the unit cost identified in the price schedule. The unit pricing identified in the price schedule includes all labor, material, equipment, and other associated costs. Examples of associated costs include but are not limited to, traffic (pedestrian and motor vehicle) control, safety signage, area cleanup, overhead, and profit.

B. Trees to be taken down or pruned will be tagged by NPS personnel prior to contractor arrival. Upon callout by the park, the contractor shall also be provided a general location(s) of the tree(s).

C. Any additional tree, stump, or debris removal incidental to felling a tagged tree shall be included in cost of felling the tagged tree.

D. Logs and branches under 8 inches in diameter:

a) Along the Colonial Parkway chip logs under 8 inches in diameter. The chips can be blown into the forest if they are not left in piles.

b) In Yorktown and Jamestown (Developed areas/Tour Roads) the chips will be hauled off site and disposed of in an appropriate manner. The contractor may forgo chipping, if hauling without chipping is more efficient.

E. Logs 8 inches or greater in diameter shall be removed from the park within 5 days of the tree being taken down, or within 24 hours when called to remove only a downed tree.

F. All stumps shall be cut a maximum 2 IN from grade.

G. Pruning trees that overhang Roads: Branches hanging over roads will be cut back to a height of no less than 13.5 feet above the ground. This work will happen along both the Colonial Parkway and Tour Roads/Loop Road.

H. Pruning trees that overhang Sidewalks and Trails: Branches hanging over sidewalks and trails will be cut back to a height of no less than 10 feet above the ground.

I. Pruning trees that overhang buildings: Branches will be cut back to ensure they are out of the footprint of the building and any associated walkways.

J. All hung tree limbs must be placed on the ground as soon as possible but no later than by the end of each workday.

K. All roads and sidewalks must be left clear of cut stems and branches.

L. Vehicles: No vehicles shall be permitted to travel over or park within the area generally defined by the canopy of a tree, except if the tree is to be removed and/or if a bucket truck is the only safe means to treat a tree. The root zone of neighboring trees which are not being treated shall not be traveled over. Load distribution matting maybe used.

M. Access to certain areas with large equipment is at the discretion of the Contracting Officer’s Representative (COR) or Technical Expert on site.

N. All workers to comply with Federal, State and Local safety requirements, MUTCD signage and VDOT roadway work zone requirements (depending upon location).

O. The Contractor shall preserve and protect all existing vegetation such as trees, shrubs, and grass areas (on or adjacent to removed trees) that do not reasonably interfere with work. The Contractor shall be responsible for all unauthorized cutting or damage to trees and shrubs, including damage due to careless operation of equipment, stockpiling of materials, or tracking of grass and other surfaced areas by equipment. Such damaged areas or materials shall be restored, repaired, or replaced by the Contractor at no additional cost to the Government.

P. Contractor responsible for ground rehab such as rutting and turf damage, as determined by the COR and at no additional cost to the government.

3.0 PROFESSIONAL QUALIFICATIONS

A. All work shall be under the on-site direction and supervision of an ISA Certified Arborist who possesses verifiable experience and technical competence in tree physiology, identification, diagnosis of disorders, and current tree care and safety practices in accordance with accepted industry standards. The Arborist shall be the primary contact with the Government's COR or Technical Expert on site and shall be responsible for directing work in the field, controlling the quality of work and inspecting all completed work to ensure that contract performance requirements are met.

B. All tree workers shall, through verifiable related training and on the job experience, be familiar with the technical aspects and hazards of tree maintenance work and equipment used in such operations. All tree workers shall abide by any code of ethics or professional conduct established by the Tree Care Industry Association and the International Society of Arboriculture

4.0 SCOPE OF WORK

A. Definitions

1) Felling/Removal: the felling of a tree and disposal of any logs, branches, stumps, and other debris in accordance with requirements set forth in this Scope of Work.

2) Pruning: the removal of dead, dying, diseased, interfering, objectionable, weakly attached, or low vigor branches, one-half inch in diameter and greater. Pruning of any trees that overhang roads, sidewalks, trails, or buildings shall also include removal of any branches necessary to achieve minimum clearance heights specified in this Scope of Work. Trees marked for pruning will be identified prior to the contractors visit.

1) All cuts should be made sufficiently close to the parent stem so that healing can readily start under normal conditions

2) Lowering of pruned branches may require ropes to ensure that the tree is not injured during fall.

3) Do not leave stubs

4) Do not cut into the Branch Collar

3) Storm Damaged Tree: A tree which has been blown over either in full or in part, or that has a significant structural defect, damage or lean as a result of a storm.

4) Downed/Ground Contact Tree: A tree which is fully on the ground. Some bucking may have occurred.

5) At-Risk Tree: A dead tree (dead longer than two years) or a live tree with a recognizable and significant structural defect, damage or lean that is in the proximity of a high-use or relatively high-use public area and which presents a risk to people or property.

6) DBH – Diameter at Breast Height

B. Description of Types

1) Tree Felling/Removal along Tour Roads, Yorktown (including Tour Roads), or Jamestown (including Island Loop Road)

a) All logs, branches, and debris from felled trees in these areas shall be removed from the park. No logs or other parts of a tree at risk shall remain suspended above the ground.

(i) Trees that cannot be felled due to proximity of the roadways, buildings, structures, utilities, and/or lack of an adequate felling area shall be topped and sectioned until completely removed per this

SOW.

(ii) The Contractor is responsible for taking all precautions to ensure that the tree will fall where desired. If a tree cannot be felled safely in one piece, the tree shall be topped and sectioned until completely removed per this SOW.

(iii) The Contractor shall take all reasonable precautions to avoid damaging surrounding vegetation, lawn areas, monuments, and utilities and prevent gouging and erosion of soils due to tree removal operations.

(iv) The Contractor shall, on the same day the tree is removed, remove all remaining wood and debris from the park and dispose of legally off-site unless approved otherwise by the COR. Removal from the Park and disposal is the responsibility of the Contractor.

(v) All stumps shall be cut to a height not to exceed 2” from grade unless directed otherwise by the

COR.

2) Tree Felling/Removal along the Colonial Parkway

a) All logs, branches, and debris under 8 IN diameter that fall along the Parkway shall be chipped and distributed in the wooded areas, with no piling of chips. All materials over 8 IN in diameter shall be hauled out of the park and disposed of properly.

(i) Trees that cannot be felled due to proximity of the roadways, buildings, structures, utilities, and/or lack of an adequate felling area shall be topped and sectioned until completely removed per this

SOW.

(ii) The Contractor is responsible for taking all precautions to ensure that the tree will fall where desired. If a tree cannot be felled safely in one piece, the tree shall be topped and sectioned until completely removed per this SOW.

(iii) The Contractor shall take all reasonable precautions to avoid damaging surrounding vegetation, lawn areas, monuments, and utilities and prevent gouging and erosion of soils due to tree removal operations.

(iv) The Contractor shall, on the same day the tree is removed, chip all materials and distribute in the woods, and remove all remaining wood and debris from the park and dispose of legally off-site unless approved otherwise by the COR. Removal from the Park and disposal is the responsibility of the Contractor.

(v) All stumps shall be cut to a height not to exceed 2” from grade unless directed otherwise by the

COR.

(vi) The Contractor shall be responsible for all required traffic control.

3) Felling/Removal or Cleanup of At Risk/Storm Damaged Trees

a) Contractor will respond to storm-damaged trees within two business days of being called.

b) All logs, branches and debris from trees felled or removed in this manner shall be handled appropriately for their location (e.g. tour road, Parkway).

4) Downed Tree Cleanup

a) Contractor will respond to call for downed tree removal within two business days of being called.

b) All logs, branches and debris from trees felled or removed in this manner shall be handled appropriately for their location (e.g. tour road, Parkway).

5) Tree Pruning

a) All logs, branches, and debris from trees pruned within a developed area shall be removed from the developed area. No logs or other parts of a tree at risk shall remain suspended above the ground.

(i) All cuts should be made sufficiently close to the parent stem so that healing can readily start under normal conditions

(ii) Lowering of pruned branches may require ropes to ensure that the tree is not injured during fall.

(iii) Do not leave stubs

(iv) Do not cut into the Branch Collar

b) The work to be performed under this section shall include pruning trees in accordance with the American

National Standard for Arboricultural Operations Pruning, Repairing, Maintaining and Removing Trees and Cutting Brush – Safety Requirements – ANSI Z133.1-2017.

c) Trees shall be pruned to maintain and/or improve health and structure and shall include hazard reduction and shall consist of removing all visible hazards with potential for damage to property or personal injury.

Removal shall include but is not limited to interfering/objectionable branches, deadwood, heavy or weak horizontal branches, and weak crotches. Weak crotches are defined as split or rotted wood between two trunks of limbs that may break and fall during high wind.

d)

5.0 SAFETY

A. The Contractor shall be responsible for employee and visitor safety on the work site and shall establish an effective accident prevention program and provide a safe environment for all personnel and visitors. Report to the COR any and all accidents or injuries that occur. Place all required protective barriers and take all necessary measures to assure unauthorized persons do not enter the work site. Assure there are no hazards to park visitors during execution of the work.

B. ACCIDENT PREVENTION PLAN: Before on-site work begins, submit to the COR for approval an accident prevention plan containing as a minimum the following information:

1) Name of responsible supervisor to carry out the program.

2) First aid procedures - Provide adequate facilities for the number of employees and the type of construction at the site. Provide adequate training to ensure prompt and efficient first aid.

3) Hazard Assessment - Outline of each phase of the work, the hazards associated with each major phase, and the methods proposed to ensure property protection and safety of the public, National Park Service personnel, and Contractor's employees.

4) Training - Assure all employees have adequate initial and continuing training for the tasks that they perform. Also, train and instruct each employee exposed to hazardous materials (explosive, flammable, poisonous, corrosive, oxidizing, irritating, or otherwise harmful substances that could cause death or injury) in safe and approved methods of handling and storage.

5) Emergency Planning - Planning for possible emergency situations including fires, windstorms, lighting storms etc.

6) Housekeeping - Keep project site in a clean, neat, and safe condition at all times.

7) Fire Protection - Maintain adequate and proper fire protection equipment on site at all times.

8) This project is a required safety vest or shirt and hard hat area.

9) The contractor is responsible for all traffic control, including but not limited to signage, and or flagger when working on or adjacent to on roads, trail or sidewalks. Designated flaggers are required when working over roads and sidewalks. Proof of flagger training should be provided to the COR.

10) If work is to take place over designated state routes the contractor is responsible for coordination with VDOT for any road closures or required permits.

C. EMERGENCY INSTRUCTIONS: Post telephone numbers and reporting instructions for ambulance, physician, hospital, fire department, and police in conspicuous locations at the work site.

D. ACCIDENT REPORTING: Notify COR immediately in the event of a reportable accident. A reportable accident is defined as death, occupational disease, traumatic injury to employees or the public, property damage by accident in excess of $100, and fires. Within 7 days of a reportable accident, fill out and forward to the Contracting Officer a DI-134 form, which may be obtained from Contracting Officer. The Contractor shall report all other accidents to the Contracting Officer as soon as possible and assist the Contracting Officer and other officials as required in the investigation of the accident.

E. Safety of visitors is of the utmost importance. The contractor will adequately cordon off each work area. Work areas, at the discretion of the COR, may be required to be fenced off completely with orange safety fence.

F. HARD HATS AND SAFETY VESTS AND PROTECTIVE EQUIPMENT: All construction areas in Colonial National Historical Park are deemed Hard Hat and Safety Vest areas. The hard hat area shall be posted by the Contractor, and it is the Contractor's responsibility to require all those working on or visiting the site to wear hard hats, safety vest and other necessary protective equipment at all times.

G. The Contractor shall provide, erect, and maintain all necessary barricades, danger signals, detour and other signs, and take all necessary precautions for the protection of the work and safety of the public.

H. No uncompleted work or debris shall be left on trails, traveled way or on roadway shoulders overnight or on weekends that present a hazard to public.

6.0 POLLUTION AND EROSION CONTROL

A. During all operations under this contract, the Contractor shall exercise reasonable measures to prevent or minimize soil erosion and pollution of water and other resources. All refuse, including garbage, rubbish, and solid or liquid wastes from the Contractor's operations shall be collected and stored in a sanitary, nuisance-free manner and disposed of in a State-approved sanitary landfill or as approved by the Contracting Officer.

B. Oil from crankcases or gear boxes, equipment waste or spilled or excess fuel shall be placed in containers and removed from the work site and disposed of as approved and required by Federal, State, and Local laws. Report all spills greater than 5 gallons to the COR immediately.

7.0 SCHEDULE

A. Period of Performance shall begin upon issuance of each task order and end thirty (30) days thereafter (unless otherwise specified in the task order).

B. Work is to be performed during the hours of 7am and 5pm, Monday through Friday. No work is to be performed on Saturday or Sunday or on federally recognized holidays (unless otherwise authorized by the Contracting Officer 72 hours ahead of date of work).

C. Storm Damage Task Orders. Work must begin within 24 hours of issuance of task order. Due to the nature of storm damage the contractor will be allowed to work Saturdays, Sundays and Federal Holidays, at no extra cost to the Government.

D. Once the Contractor begins work on a specific effort (i.e., tree removal), they are expected to be on the job site each workday until that effort is complete, weather permitting.

E. Work shall be scheduled and arranged so as not to interfere with normal activities of the Park, particularly Ranger-led tours scheduled at various hours of the day at various locations throughout the Park or any special tours or visiting groups. Advanced notice will be given to the Contractor if a conflict is expected to divert from a prearranged schedule. Any plant debris, personnel, or equipment that would interfere with any NPS sponsored or NPS permitted activity or event shall be removed prior to the activity. If at any time, the COR determines that the work is unsatisfactory or is being conducted in an unsafe manner, the Contractor will be notified and shall immediately cease all work activities.

8.0 INSPECTION/ACCEPTANCE

The NPS reserves the right to conduct any inspection it may deem necessary prior to acceptance and approval of payment to assure that all work conforms to the Statement of Work and any applicable standards, regulations, or laws.

9.0 INSTRUCTIONS TO BIDDERS/SPECIAL REQUIREMENTS

A. This is Blanket Purchase Agreement (BPA) type contract. All trees to be cut shall be identified and tagged by (NPS) personnel and ordered by the contracting officer via the issuance of task orders.

B. It is highly recommended that the Contractor verify all measurements regarding this contract by making a site visit.

C. Prospective offerors should provide:

1) Experience- Bidders shall include a narrative that demonstrates a minimum of 5 years of experience in Tree Management Services, to include tree felling and tree pruning.

2) Proof of Arborist Certification-Bidders shall include proof that employees that will be doing the work at Colonial National Historical Park have required Arborist Certification.

3) Price Schedule- Utilizing the attached schedule, provide costs for each of the line items, on a per tree or each (EA) basis.