AMEND_002-011100-Summary_of_Work_REV_7_15_2024_0002.pdf

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123115 SUMMARY OF WORK

SECTION 01 11 00 - SUMMARY OF WORK

PART 1 - GENERAL

1.1 SUMMARY

A. This Section includes the following:

1. Work covered by the Contract Documents.

2. Government Furnished Materials.

3. Contractor use of the site.

4. Contractor access and use of site.

5. Occupancy requirements for buildings.

6. Work Restrictions.

7. Special Construction Requirements.

8. Field Verification.

9. Storm Water Pollution Prevention Plan.

10. Soils Investigation Report

11. Additional Reports.

1.2 WORK COVERED BY CONTRACT DOCUMENTS

A. Project Location: The project location is in the Golden Gate National Recreation Area (GGNRA) at the Dana Bowers Vista Point. The trail extends from the north side of the State Highway 101 entrance to Dana Bowers Vista Point down toward the lower section of Conzelman Road, underneath the Golden Gate Bridge. The project may be accessed from State Highway 101, as shown on Sheet G1 in the Project Drawings.

B. The Work consists of the following:

1. The Work includes: safety improvements to the existing Old Conzelman Trail between Dana Bowers Vista Point at the top and Conzelman Road at the bottom. The Work includes constructing an asphalt pavement trail, improving trail grades, viewpoints, managing stormwater, and construction of retaining wall systems to support the improvements.

2. A Construction Schedule laying out project start and completion dates along with scope tasks shall be submitted per the Spec Section 01 32 16 “Construction Schedule.”

C. Project will be constructed under a single Contract.

1.3 GOVERNMENT-FURNISHED MATERIALS

A. Government will furnish products indicated below.

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1. Government will arrange and pay for delivery of Government-furnished items according to Contractor's Construction Schedule.

2. After delivery, Government will inspect delivered items for damage. Contractor shall be present for and assist in Government's inspection.

3. If Government-furnished items are damaged, defective, or missing, Government will arrange for replacement.

4. Contractor is responsible for receiving, unloading, and handling Government-furnished items at Project site.

5. Contractor is responsible for protecting Government-furnished items from damage during storage and handling, including damage from exposure to the elements.

6. If Government-furnished items are damaged as a result of Contractor's operations, Contractor shall repair or replace them.

7. Contractor shall install and otherwise incorporate Government-furnished items into the Work.

1.4 CONTRACTOR USE OF SITE

A. The Contractor’s use of the premises is restricted to the designated work area. Materials and equipment must be stored inside the work area. Maintain all equipment and materials within lockable fence and provide 6’-0” temporary panel fence around the work area. See Section 01 50 00, Temporary Facilities and Controls. Contractor shall maintain control of the site during the period of construction by creating perimeter control through fences.

B. Temporary facilities include: portable toilets rented by the contractor and cleaned on a weekly or as-needed basis by the contractor.

C. Staging Area: Contractor shall work with NPS to identify an appropriate staging area. If staging area is determined to be in Vista Point Trailhead Parking Lot, contractor shall coordinate availability and use with NPS Staging and storage areas are indicated on the plans.

D. Protection of Historic Features: The Golden Gate National Recreation Area contains many project locations which are highly sensitive sites and may contain historical resources. The Contractor shall closely follow the plans shown, and alert the Contracting Officer immediately of any major deviations. A Preconstruction Conference and separate Start-up Meeting with the Contracting Officer will be required prior to beginning work. Confine all operations to work limits of the project.

Prevent damage to historic features that lie within the work limits, including but not limited to historic buildings and features, archeological resources including features both above and below grade, cultural landscapes and features including plantings, manhole covers, gutters, paving, drainage features, utilities, walkways, etc. Protect historic features from damage due to the work of this contract. Application of spray paint or any permanent markings to site features is prohibited. (Only chalk based paint or crayon should be used).

E. Preservation of Natural Features:

1. Prevent damage to natural surroundings. Restore damaged areas as directed and approved by the Contracting Officer, at no additional expense to the Government.

2. Provide temporary barriers to protect existing trees and plants and root zones

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3. Do not remove, injure, or destroy trees or other plants without prior approval. Consult with Contracting Officer and remove agreed-on roots and branches that interfere with construction.

4. Do not fasten ropes, cables, or guys to existing trees.

5. Carefully supervise excavating, grading, filling, and other construction operations near trees to prevent damage.

6. Take measures to prevent equipment from compacting soils adjacent to or within the construction zone that will not be displaced by a constructed facility such as the parking lot.

7. All geologic and fossil materials within the park are protected. Avoid disturbing soils or rock within or outside the project are, except as specified in the contract documents or as directed by the Contracting Officer.

8. See Section 01 34 00 Natural Habitat Requirements for additional project requirements.

F. Driveways and Entrances: Keep driveways and entrances serving premises clear and available to Government, Government's employees, and emergency vehicles at all times. Do not use these areas for parking or storage of materials.

1. Schedule deliveries to minimize use of driveways and entrances.

2. Schedule deliveries to minimize space and time requirements for storage of materials and equipment on-site.

G. Construction Camp: Establishment of a camp within the park will not be permitted.

H. Hauling Restrictions: Comply with all legal load restrictions in the hauling of materials. Load restrictions on park roads are identical to the state load restrictions with such additional regulations as may be imposed by the Park Superintendent. Information regarding rules and regulations for vehicular traffic on park roads may be obtained from the Office of the Park Superintendent. A special permit will not relieve Contractor of liability for damage which may result from moving of equipment. See Section 01 50 02 Trucking.

I. Contractor shall provide OSHA and other required postings regard safety at the site.

J. All Contractor employees and subcontractor employees shall be advised of the rules and regulations of the National Park Service.

K. Contractor and subcontractor vehicles not required on the worksite itself shall be parked in a location to be reviewed and approved by NPS.

L. Utilities to support construction activities by contractor:

1. Water: Contractor to install NPS approved backflow preventer and meter at NPS specified location the hydrant near lift station 659 in Fort Baker. Contractor will be billed monthly at rate of $65 $10.55 per 1,000 gallons not to exceed 10,000 gallons per day. Prior to using water, agreement between NPS and contractor must be signed. Billings are sent electronically via email, thus additional information from contractor is point of contact information to send billings and finally company tax ID number.

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1.5 PUBLIC USE OF SITE

A. Contractor shall at all times conduct his operations to ensure the least inconvenience to the public.

The Contractor shall coordinate request and approval from NPS to use Vista Point Trailhead parking area southwest of US 101 for contractor parking, staging, or stockpiling. The Vista Point Trail will be closed to the public during construction. Closures may be permitted at the public bike cross trail at the top of the project, when required, upon specific approval of Contracting Officer. Submit closure request to Contracting Officer at least 10 calendar days in advance of requested closure date.

Closure may be permitted for a maximum of five calendar days at a time. The Contractor may use the areas designated on the plans for staging and storage. Lower Conzelman Road will be closed Monday through Friday to all park visitors (including pedestrians and cyclists) during the contract period. The bike lanes between the bridge and Conzelman Road must be kept clear for visitors to use on Saturdays and Sundays and federal holidays. Administrative access on Lower Conzelman Road for NPS and Golden Gate Bridge Highway & Transportation District staff must be maintained at all times. Flaggers and other traffic controls will be necessary to ensure visitor safety at Vista Point Overlook parking area, where there is both vehicular and cyclist cross traffic.

B. Emergency Vehicle Access: Contractor will stop all work as necessary to allow passage of emergency vehicles and direct traffic flow to accommodate immediate passage of these vehicles. For those projects in which trenching is required, the Contractor shall have a sufficient number of steel plates on hand to bridge any gap necessary for emergency vehicle access.

1.6 OCCUPANCY REQUIRMENTS FOR BUILIDINGS

A. Existing Buildings

1. Partial Government Occupancy: Government may occupy the premises during entire construction period, with the exception of areas under construction. Cooperate with Government during construction operations to minimize conflicts and facilitate Government usage. Perform the Work so as not to interfere with Government’s operations.

Maintain existing exits, unless otherwise indicated.

a. Maintain access to existing walkways, corridors, and other adjacent occupied or used facilities. Do not close or obstruct walkways, corridors, or other occupied or used facilities without written permission from the CO.

1.7 CONDUCT OF OPERATIONS

A. Contractor personnel shall comply with all Federal and State law and regulations, including the Golden Gate National Recreation Area Superintendent’s Compendium. Any exception must be specifically justified and approved in writing by the Contracting Officer.

1. The Superintendent’s Compendium can be found at this internet address:

https://www.nps.gov/goga/learn/management/lawsandpolicies.htm

B. No signs or advertisements (except those specified herein) shall be displayed on the construction site or within the park unless approved by the Contracting Officer.

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1.8 WORK RESTRICTIONS

A. On Site Work Hours: The 40 hour work week shall be generally performed during normal business working hours of 7 a.m. to 5:30p.m., Monday through Friday, except when available daylight does not permit such or otherwise indicated.

1. Work will be permitted in the evenings or on Fridays or Saturdays by prior authorization of the NPS Contracting Officer. Submit requests 48 hours in advance of the work to the Contracting Officer for approval.

2. Proposed exterior lighting for night work should be reviewed/approved by NPS Contracting Officer. See section 01 57 19.12 Noise and Exterior Lighting Management.

3. No onsite work shall be performed during federal holiday periods unless otherwise directed by the Contracting Officer.

4. Early Morning Hours: See section 01 57 19.12 Noise and Exterior Lighting Management.

5. Hours for Core Drilling, or other noisy activity. See section 01 57 19.12 Noise and Exterior Lighting Management.

B. Existing Utilities

1. Existing Utilities: Notify Contracting Officer and utility companies of proposed locations and times for excavation.

2. Contractor shall be responsible for locating and preventing damage to known utilities. If damage occurs, repair utility at no additional expense to the Government.

3. If damage occurs to an unknown utility, repair utility. An equitable adjustment will be made in accordance with the Changes clause of the contract.

4. Existing Utilities: USA Notification & Utility Field Meeting

a. The Contractor shall contact Underground Service Alert (USA) (1-800-642-2444) seven (7) calendar days prior to start of each ground disturbing phase and shall be responsible for maintaining a valid USA location tag through renewal during the construction. The Contractor shall schedule a utility field meeting prior to any excavation. This shall be so stated in the USA notification. The Contractor shall be responsible to coordinate the utility field meeting at which time he shall explain the limits and impacts to USA member utilities.

b. The majority of the utilities within the Vista Point Trail are owned by NPS. As such, very few utilities will actually be marked out by USA. It is the Contractor's responsibility to field locate & mark all utilities within the project work area. Field location and marking shall be performed a minimum of three (3) days prior to ground disturbance; notify CO upon completion of field location and marking for CO review and approval. No trenching shall be performed prior to CO approval.

5. Water and Wastewater Systems: The Contractor is not authorized to open/close valves, operate pumps and/or de-energize the water or waste water system; An NPS USRO must do or be onsite to observe.

6. See Spec Section 017340 3.2 “Execution” for utility marking and coordination with other utility providers.

C. Existing Utility Interruptions: Do not interrupt utilities serving facilities occupied by Government or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:

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1. Notify Contracting Officer not less than 10 working days in advance of proposed utility interruptions.

2. Do not proceed with utility interruptions without Contracting Officer’s written permission.

D. Smoking: Smoking is not permitted within 25 feet of entrances, operable windows, or outdoor air intakes. Designated smoking areas shall be approved by the Contracting Officer.

1.9 FIELD VERIFICATION

A. See Section 01 73 40 Execution.

1.10 SPECIAL CONSTRUCTION REQUIREMENTS

A. Project Website: A project website administered by the NPS will be used for purposes of managing communication and documents during the construction stage.

1. See Section 01 31 00 “Project Management and Coordination” for requirements on using the Project Website.

B. Hot Work Permit: A hot work permit is required for any cutting, welding or heat gun work No open flame torch work will be allowed. The NPS Fire Inspection office will issue the permit to the Contractor. Permit will be good through completion of work. The Contractor will be responsible for ensuring that all workers and subcontractors follow permit conditions.

1.11 STORM WATER POLLUTION PREVENTION PLAN

A. Submit a Storm Water Pollution Prevention Plan (SWPPP) for each Contract with ground disturbing activities prior to performing any ground disturbing activity. Prepare the SWPPP in conformance with Section 01 57 23 “Temporary Stormwater Pollution Prevention.”

B. Implement all appropriate requirements of the SWPPP.

PART 2 - (Not Used)

PART 3 - EXECUTION (Not Used)

END OF SECTION 011100