ATTACHMENT_01_-_140P8625Q0016_-_SOW.pdf

REQUEST FOR QUOTATION (RFQ) 140P8625Q0016

SCOPE OF WORK

SAN FRANCISCO MARITIME NATIONAL HISTORICAL PARK (SAFR)

Prune Trees in Aquatic Park (2025)

PART 1: GENERAL

1.01 DESCRIPTION

This scope of work outlines tree pruning to be performed throughout Aquatic Park. Work sites are all located within a 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. Special coordination will need to be made near the Cable Car area where SF Muni Cable Car operations occur during normal business hours. Contractor will need to acquire needed permits where parking is required off park property.

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 with the COR to identify trees to be serviced.

C. All work described in this specification is for pruning of 31 trees and trimming of tree material of area that must be determined by vendor and is indicated on map. 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 make own arrangements to locate utility lines (electric, gas, water). Any damaging occurring to utility lines will be repaired by the contractor and at no cost to the government.

F. 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 pruning:

Trees to be pruned: (12) Metrosideros excelsa (New Zealand Christmas Trees);

(1) Pyrus calleryana (Flowering Pear); (1) Prunus sp. (Cherry/Plum); (3) Pittosporum trees; (2) Callistemon citrinus (Bottlebrush trees). (12) Laurus Nobilis (Grecian Laurels); Ulmus parvifolia (Chinese Elm) – see map for locations and volume represented.

Tree contractor shall remove all diseased, damaged, dead and/or crossed branches, including all branches that pose a safety hazard for the public. Tree service contractor shall also thin canopies by 25%, yielding an atheistically pleasing, balanced appearance. Contractor will “lift” canopy by 12’-15’ above ground level (or raised planter ground level height). Contractor must use best management practices to avoid “lion-tailing” (branch removal on the lower two-thirds of the branch), “topping” (pruning tree to predetermined crown limit, often at internodes) and/or pruning that only leaves branches only at edge of crown – accept where unavoidable and/or as mentioned below. All tree sections/parts/components and debris material generated from work shall be removed and disposed of properly. Area shall be raked/broom-swept clean upon job completion. Contractor shall haul away and dispose of properly, all refuse generated by work. Work site must be left in clean state.

**Additional maintenance notes**:

Metrosideros excelsa: All trees are to be lowered by six feet in height using reduction-cut pruning techniques where possible. Where not possible, tree shall be topped to reduce height. Trees shall be pruned to keep growth from growing into like trees growing adjacently. Trees shall be thinned 30%.

Prunus laurocerasus: Trees shall be cut six away from bocce ball court cover and one foot way from adjacent fence, where possible.

Pittosporum trees: Trees shall be cut six away from bocce ball court cover.

and one foot way from adjacent fence, where possible.

Laurus Nobilis: In addition to the above standards all shall be reduced by three feet in height and pruned/shaped to yield separation between each tree.

Ulmus parvifolia (Chinese Elm): This material (location indicated on map), is currently overhanging over the Fort Mason Wall. All material is to trimmed back five feet extending to the other side of the wall (Fort Mason side). Material on the other side of the wall must be cut even with the top of the wall/fence. *Also, all ivy must be cleared and removed from wall/fence face. All work is to be done from the Van Ness Avenue sidewalk.

All pruning operations must be confirmed with COR prior to commencing work and completed in line with this scope of work.

Where specifications mentioned in this scope of work conflict with arboricultural/horticultural practices, the NPS takes responsibility and removes liability from the contractor regarding any negative effects resulting adhering to these pruning specifications.

B. Protections/ Preservation:

Contractor will set up protections to any adjacent object, structure and/or landscape to protect from damage. For extra heavy branches, rigging must be employed to lower branches so as not to damage property. If needed, turf matting or plywood will be provided and used by tree contractor to protect lawn areas from any potential damage from work. The NPS will attach “no parking” signage at parking stalls needed for work space.

C. 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.

D. 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 pruning will meet professional standards, and as desired by the NPS.

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.

PART 4: POINTS OF CONTACT

a. Technical Representative/Submittals and Approvals:

Micah Wright Supervisory Facility Operations Specialist San Francisco Maritime National Historical Park Fort Mason Center, Bldg. E, Room 265, San Francisco, California, 94123

(415) 859-0898 Email: micah_wright@nps.gov

b. Contracting Office for Contractual Support:

Michael Gabriel Contract Specialist Contracting Operations – West Email: michael_gabriel@nps.gov

PART 5: MAPS

See attachment.

mailto:micah_wright@nps.gov mailto:michael_gabriel@nps.gov