PROJECT_DESCRIPTION_Bridge_Yosemite.pdf

CA NPS BP 2017(1), Bridge Preservation Yosemite, Yosemite National Park, Mariposa and Tuolumne Counties, California

The work consists of bridge preservation to include thin epoxy overlay, concrete repair, bridge railing repair and replacement, repair structural timber and lumber on bridge, placing partially grouted riprap to protect bridge abutments, bank stabilization, and other items of work. Work will require stringent traffic control measures and careful erosion control measures to include stream diversions, turbidity curtains, and scour protection. The project consists of 5 bridges:

1. Toulumne;

2. El Captain;

3. Pohono;

4. Happy Isles; and

5. East Fork Cascade Creek

Project length: 0.17 miles

Tentative Fixed Completion Date: Fall 2019 (Once solicitation is issued, see FAR Clause 52.211-10 for exact date.)

Estimated Price Range: $2 million to $3 million

Location: approximately 60 miles east of Merced, CA in Yosemite National Park.

DESCRIPTION OF WORK in US CUSTOMARY UNITS FP-14 One Schedule

DIVISION 150 – Project Requirements 152 Construction Survey & Staking Yes 153 Contractor Quality Control and Assurance Yes 154 Contractor Sampling & Testing Yes 155 Schedules for Construction Contracts (construction schedules) Yes 157 Soil Erosion & Sediment Control (Temporary Diversion Channel) 2 157 Soil Erosion & Sediment Control (Silt Fence) 500 LNFT 157 Soil Erosion & Sediment Control (Floating Turbidity Curtain) 500 LNFT

DIVISION 200 – Earthwork 202 Removal, Individual Tree 1

DIVISION 250 – Slope Reinforcement and Retaining Walls 251 Riprap (Partially Grouted Riprap) 765 CUYD

DIVISION 550 – Bridge Construction 552 Repair Concrete 5 Bridges

DESCRIPTION OF WORK in US CUSTOMARY UNITS

FP-14

One Schedule

552 Repair Expansion Joint 1 Bridge 556 Bridge Railing Repair 382 LNFT 556 Remove and Reset Bridge Railing 1 Bridge 557 Repair Structural Timber and Lumber 1 Bridge 575 Minor Bridge Work (Thin Epoxy Overlay) 2 Bridges

DIVISION 600 – Incidental Construction 622 Rental Equipment Yes 623 General Labor Yes 626 Cuttings, Willow Pole 800 Each 634 Permanent Pavement Markings (traffic pavement markings) 3500 LNFT 635 Temporary Traffic Control – Flagger 1184 HR 635 Temporary Traffic Control – Traffic Control Supervisor 74 DAY 635 Temporary Traffic Control – Traffic Signal System 1 635 Temporary Traffic Control – Cone 50 Each 635 Temporary Traffic Control – Concrete Barrier 400 LNFT 635 Temporary Traffic Control – Construction Sign 260 SQFT 647 Environmental Mitigation (Root Wad) 40 Each 647 Environmental Mitigation (Bank Stabilization, Ballast Stone) 240 Each 647 Environmental Mitigation (Bank Stabilization, Block Stone) 800 Each