Attachment 01 - SCOPE OF WORK.pdf

SCOPE OF WORK

SAN FRANCISCO MARITIME NATIONAL HISTORICAL PARK (Aquatic Park)

Tree and Root Barrier Installation at Aquatic Park

PART 1: GENERAL

1.01 DESCRIPTION

This scope of work outlines tree work to be performed throughout Aquatic Park.

Work sites are all located within an 20 acre area and accessible by streets and park paths. Contractor shall make every effort to protect the historic landscape and fabric from damage. The contractor should be comfortable working in a variety of physical conditions. All work shall be performed by a qualified tree service contractor who is an ISA certified Arborist and understands arboriculture.

See project specification details below.

1.02 GENERAL CONDITIONS AND INFORMATION

A. These trees are owned by the Department of Interior, National Park Service, herein after called NPS, and are maintained by San Francisco Maritime National Historical Park, (SAFR). Care must be taken to protect and avoid negatively impacting the surrounding ornamental landscape, turfgrass area, irrigation system (as possible), street, paths and sidewalks. Damage to these areas will be repaired or replaced in-kind at Contractors expense. Work area is greatly impacted by pedestrian, bicycle and vehicle traffic. The contractor will be responsible for pedestrian, bicycle and vehicle traffic control/safety before, during and to close of the project to ensure public safety. This may include using temporary fencing, barricades, traffic cones, bollards, etc. The NPS will attach “no parking” signage on street parking stalls where needed for workspace.

B. Any particulars described for the work involved is given for guidance to the Contractor, however, the Contractor is to take his/her own measurements, dimensions, counts, and is responsible for the same. It is highly recommended those interested attend the scheduled walk-through as needed, with the COR to identify trees to be serviced.

C. All work described in this specification is for the installation of one. All work is to be performed in accordance with the provisions of the NPS Contract and Scope of Work. Additional work that will result in additional cost shall be carried out only when authorized in writing by the Contracting Officer.

D. The Contractor shall be responsible for removing and disposing of any debris from the areas where work is performed and is generated by the Contractor.

E. The Contractor shall immediately notify the Contracting Officer of any ambiguities, inconsistencies and errors discovered in this specification or between contracting documents and existing conditions.

PART 2: SCOPE OF WORK/ SERVICES

A. Tree replacement/planting:

One Cupressus sempervirens (Monterrey Cypress) is to be replaced/planted.

Tree selected by contractor shall be 48” box tree; shall be healthy, disease/pest free; shall free of mechanical/environmental damage; shall be vigorous in growth; shall have a central leader and need minimal pruning to correct any crossing limbs. Trees shall be stabilized with 2”x2” tree stakes (placed as far out perimeter if the root ball/drip line as possible. NPS Contracting Officer’s Representative must approve prior to planting. (Drawing specification for further guidance will be provided upon request.)

B. Root Barrier Installation:

Install approximately 60' of contiguous feet of 1 piece metal root barrier (welded together/not plastic material) at a depth of 30'' to deter future root growth into asphalt paving.

C. Protections/ Preservation:

Contractor will set up protections to any adjacent object, structure, paved area and/or landscape to protect from damage.

D. Contractor Employee and Public Safety:

The contractor shall be required to develop a site safety plan for review and approval by the NPS Park Service Safety office, prior to the start of work. The National Park Service reserves the rights to stop any and all work done by the Contractor, subcontractor and Contractor's employees for any reason. Work area is greatly impacted by pedestrian, bicycle and vehicle traffic. The contractor will be responsible for pedestrian, bicycle and vehicle traffic control/safety before, during and to the close of the project to ensure public safety. Both contractor and employees are required to work safely and to use proper personal protective equipment.

E. Quality Assurance

1. The Government will monitor the Contractor's performance by performing scheduled and unscheduled surveillance. The Government will also monitor and investigate customer complaints for the purpose of ensuring whether or not the Contractor is providing quality service. The Contracting Officer or his/her designated representative may schedule progress meetings as required.

2. Overview of Removal Methods: Contractor shall use standard commercial practices/methods and adhere to all Federal, OSHA, and State guidelines.

Contractor shall submit a work plan with their proposal which outlines the methods proposed to perform this contract. Plan shall address at a minimum;

tree pruning methods.

3. Evaluation of Removal Methods: NPS will monitor the contractor's performance to ensure compliance with the solicitation, Statement of Work, contract and any accepted proposal/method utilized.

4. Tree installation will meet professional standards.

PART 3: INSPECTION / ACCEPTANCE/CLOSEOUT

A. Remove all tools, equipment, surplus, materials, and rubbish and materials generated from the worksite.

B. Surfaces that are damaged due to performed work shall be restored to condition existing prior to work (or better).

C. Schedule the final inspection with park COR, Micah Wright.

Micah Wright: (415) 859-0898.