Section J Att 002 - Scope of Work.pdf

SCOPE OF WORK

GOLDEN GATE NATIONAL RECREATION AREA

MAINTENANCE OF UNIMPROVED ROADS AND SHOULDERS

PART 1: GENERAL

1.01 DESCRIPTION AND LOCATION

The contractor shall provide all material, labor equipment and supervision to accomplish grading and adding material to fire roads, and shoulder grading of paved roads 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.

B. All work described in this specification is for Conzelman Road, Field Road, McCullough Road, Bobcat Fire Road (Trail), Alta Ave. Fire Road, and Rodeo Valley Fire Road. Additional work that will result in additional cost shall be carried out only when authorized in writing by the Contracting Officer.

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 Contracting Officer 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. 140P8620R0017 Section J - Attachment No. 002

• Methods proposed to ensure property protection and safety of the public

B. Special Construction Requirements

• Work will be conducted between 7 A.M. and 5 P.M. 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 60 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.

• Contractor shall be responsible for verification of all underground utilities.

• Contractor may use gravel lots as staging areas.

• All material will come from Park approved vendors. (Mark West and/or Stoney

Point for material 1” and smaller with fines. Dutra for material 1” and larger with no fines).

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, whichever is applicable E. Traffic Control Plan

PART 3: SCOPE OF WORK/SERVICES

3.0 Scope

Base Bid:

A. Contract Line Item No. 01 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. Contract Line Item No. 02 Traffic Control.

1. This item consists of providing all labor, materials and equipment to provide and maintain traffic control during the construction of the base bid for shoulder work, parking lot and road grading to including flaggers, road closures, detour signs, barricades, cones, flashers, pilot car (if needed) and associated labor and equipment in accordance with the Government Requirements and the Manual on Uniform Traffic Control Devices complete in place.

C. Contract Line Item No. 03 Storm Water Management

1. This item consists of providing all labor, materials, and equipment to prepare and complete a Storm Water Pollution Prevention Plan for the Grading of Alta, Bobcat, Rodeo Valley, and shoulder work along Conzelman, Field, and McCullough Roads and associated parking areas.

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

D. Contract Line Item No. 04 Grade and Resurface gravel parking lots and roads

1. This item consists of providing all labor, materials, and equipment necessary for grading and adding like material to the following three parking lots, T-1111, the roundabout, and bldg. 840 at the pump house near Capehart housing, approximately 32,954 SF (See Section J Attachment No. 003 – Map A). Drainage will be between 2% and 4% and follow existing drainage pattern. Lots will be graded, watered and compacted with the final product being a smooth surface.

2. This item also consists of the grading, addition of like materials and restoration of drainage on the following fire roads, Alta, Bobcat, and Rodeo Valley, approximately 306,804 SF (See Section J Attachment No. 004 – Map B). Roads will be graded, watered and compacted with the finished product being a smooth surface. This item also includes all incidental work necessary to complete the installation of base including but not limited to proper removal and disposal of materials, surface preparation, and removal of obstructions. This item also includes all incidental excavation, compaction, backfilling, and associated subgrade preparation necessary to install road base in accordance with the details and meeting the requirement of NPS. This item also includes the contractor to clean the ditch and culvert inlets and use material on the road. Road will be graded with a sheet drain of 2% to 4% either inboard or outboard, whichever is more practical.

E. Contract Line Item No. 05 Addition of Gravel to low spots along Shoulder of

Pavement

1. This item consists of providing all labor, materials, and equipment to prepare and place like material along the shoulder of the asphalt, approximately 65,472 LF, that has a depth of 1 inch or more from the surface of the asphalt. Roads included are Conzelman, Field, and McCullough. Material will be flush against asphalt and slope away at a 2% grade. Added material will be watered and compacted.

F. Contract Line Item No. 06 Surface Materials

1. This item consists of providing all labor, materials and equipment to haul and place material on the roads. Material will be of the same type and color or as close a match as possible as existing.

3.1 BID OPTION LINE ITEMS

A. Contract Line Item No. 07 Grade additional 60,000 SF of Bobcat

1. This item consists of providing all labor, materials and equipment to haul and place material on the roads. Material will be of the same type as existing. Material will be graded, watered and compacted.

Surface Preparation: Restore surface integrity and functional performance characteristics of disturbed areas.

• Cover utility inlets with heavy paper or roofing felt.

• Utilities shall match final grade.

Contractor must submit a BMP storm water control plan

• Must include fueling precautions/spills

• Contractor can use designated areas on map for staging

• Equipment should be parked on plastic or some other form of protection for the surface

Gravel

• Must use Park approved road base from approved vendor.

• Material will be of same type and color as present material to match as close as possible.

• Gravel will be placed, watered and compacted

PART 4: INSPECTION / ACCEPTANCE

4.0 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.

4.1 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 inspect within seven (7) working days of receipt of 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.

4.2 ACCEPTANCE OF THE WORK

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