Section J Att 002 - Scope of Work(Revised)_0001.pdf

GOGA – PMIS# 235842 Page 1 of 4

SCOPE OF WORK

GOLDEN GATE NATIONAL RECREATION AREA

MAINTENANCE OF ROAD CULVERTS

PART 1: GENERAL

1.01 DESCRIPTION AND LOCATION

The contractor shall provide all material, labor equipment and supervision to accomplish maintenance, inspection, and replacement of culverts in the Marin Headlands of Golden Gate National Recreation Area (GOGA).

1.02 GENERAL CONDITIONS AND INFORMATION

A. Any particulars described for the work involved is given for guidance to the contractor, however, the contractor is to take his own measurements, dimensions and counts, and is responsible for the same. Contractor is also responsible for making arrangements and verifying utility locations.

B. All work described in this specification is for the maintenance, inspection and repair of culverts in the Marin Headlands. Additional work that will result in additional cost shall be carried out only when authorized in writing by the Contracting Officer (CO).

C. The Contractor shall be responsible for removing and disposing of any debris from the work area.

D. All disturbed surfaces shall be cleaned and restored to the original appearance or as specified in the contract documents by the contractor.

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

1.03 SPECIAL CONSTRUCTION REQUIREMENTS

A. Before on-site work begins, the Contractor shall submit for approval, an accident prevention and safety plan. The Contracting Officer will review both plans for compliance with OSHA and project requirements. If the plans require any revisions, the Contractor shall resubmit the plans within 10 working days. The plans shall include the following:

Name of responsible on-site supervisor.

First-aid procedures.

Outline of each phase of the work, and the hazards associated with each major phase.

RFP No. 140P8620R0008 Section J - Attachment No. 002

GOGA – PMIS# 235842 Page 2 of 4

Methods proposed to ensure property protection and safety of the public

B. Special Construction Requirements

Work will be conducted between 7 am and 6 pm PT Monday thru Friday.

No weekend work allowed unless a 48-hour notice is given and approved by the Contracting Officer. Request should only be made for emergencies or weather delays.

Contractor shall place notice signs one week before work begins to notify the public of closures.

Contractor will have 90 calendar days to complete work once a Notice to Proceed (NTP) is issued.

Contractor shall provide traffic control (i.e. cones, flagman, signs, etc.)

sufficient to prevent injury to personnel, damage to property, and allow for safe flow of traffic and pedestrians.

Contractor shall be responsible for verification of all underground utilities.

PART 2: SUBMITTALS

2.0 SUBMITTALS

A. Safety Plan B. Construction Schedule C. Provide a complete list of all materials for the work including MSDS D. Storm Water Prevention Plan or UPPP

PART 3: SCOPE OF WORK/ SERVICES

3.1 Scope

A. Mobilization/Demobilization

1. This item consists of moving excavators, loaders, trucks, pumps, equipment, materials, power, labor, fuel, tools and incidentals necessary to do the work, and moving out of all such equipment, materials, tools, and incidentals, and final site cleanup upon completion of the work. This item shall include all required equipment and vehicle cleaning for certification as weed and seed free prior to entering the work areas.

B. Traffic Control

1. This item consists of providing all labor, materials and equipment to provide and maintain traffic control to support safe operations for the public and contractor during the cleaning and repair of culverts, to include paved and unpaved roads. This is to include flaggers, road closures and detour signs, GOGA – PMIS# 235842 Page 3 of 4 barricades, cones in accordance with Government Requirements and the Manual on Uniform Traffic Control Devices.

C. Clean Culvert Inlets and Drains

1. This item consists of providing all labor, materials, and equipment to prepare and complete the cleaning of approximately 22 culvert inlets and drains.

2. In addition, this item consists of providing all labor, materials and equipment to prepare, place and secure the pipe down drains with additional anchors to prevent slipping if needed.

3. All connections shall be secure and tight to prevent water leaking out from pipe.

4. In addition, this line item shall include all necessary erosion and sediment controls and best management practices (BMPS) to meet California and GOGA stormwater pollution control requirements during construction including but not limited to the preparation of an approved Storm Water Prevention Plan (SWPP) or an Under-an-Acre Pollution Prevention Plan (UPPP) for storm water management within the project limits, whichever is applicable.

D. Video inspect Culverts

1. This item consists of providing all labor, materials, and equipment necessary for the inspection of approximately 9,000 LF of pipe. The results of the inspections will be provided to NPS and used to determine pipe conditions and replacement priority if needed.

2. In addition, this line item shall include all necessary erosion and sediment controls and BMPS to meet California and GOGA stormwater pollution control requirements during construction including but not limited to the preparation of an approved SWPPP or a UPPP for storm water management within the project limits.

E. Culvert Repairs

1. This item consists of providing all labor, materials, and equipment to remove old metal pipe and prepare and place new equivalent HDPE pipe of approximately 2 culverts.

2. In addition, this item is to include any materials needed as fill to achieve a level surface when completed. Materials will be from an NPS approved vendor.

3. In addition, this line item shall include all necessary erosion and sediment controls and BMPS to meet California and GOGA stormwater pollution control requirements during construction including but not limited to the preparation of an approved SWPPP or a UPPP for storm water management within the project limits.

GOGA – PMIS# 235842 Page 4 of 4

F. Debris Disposal

1. This item consists of providing all labor, materials and equipment for proper disposal and the off haul of excess material to appropriate disposal site.

PART 4: INSPECTION / ACCEPTANCE

4.1 CLOSE OUT

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

B. Restore or refinish surfaces that are damaged due to work of this contract to original condition.

C. Remove grease, dirt stains, foreign materials, and labels from finished surfaces.

Schedule the final inspection. At time of final inspection, project shall be thoroughly clean and ready for use.

4.2 FINAL INSPECTION

A. Contractor shall submit written certification that the project is substantially complete, and final inspection is requested, the Contracting Officer’s Representative will make an inspection within seven (7) working days of receipt of the request.

B. When the Contracting Officer’s Representative determines that the work is substantially complete, he will prepare a list of deficiencies to be corrected before final acceptance and a Letter of Substantial Completion will be issued by the Contracting Officer.

4.3 ACCEPTANCE OF THE WORK

A. After all deficiencies have been corrected; a Letter of Acceptance will be issued.