PROJECT DESCRIPTION__Davey's Bridge.pdf

ID PFH 24(10) Davey’s Bridge, Boise National Forest, Boise County, Idaho.

Bids for the construction of this project are being invited under one of two bid schedules, designated A and B. Schedule A and Schedule B are to be considered as alternate bids. Bidders submit either schedule. Award of the contract will be made based upon the lowest bid offered, regardless of bid schedule.

• Schedule A consists of the construction of a 162’3” long by 69’7” wide, 85”precast pre-stressed bulb tee concrete girder bridge with cast-in-place concrete deck.

• Schedule B consists of the construction of a 162’ 3” long by 69’ 7” wide steel girder bridge with cast-in-place concrete deck.

The proposed project includes construction of a bridge with cast-in-place concrete deck;

abutments are founded on 18 x 0.5 foot concrete filled piles. The work also includes demolition of the existing wood pile and concrete deck bridge, reconstruction of the intersection of Middle Fork Road and Banks Lowman Highway including installation of drainage, guardrails, MSE wall, base, asphalt concrete pavement, striping, signage and other smaller items of work.

Project length: 0.30 miles

Tentative Fixed Completion Date: October 24, 2013 (Once solicitation is issued, see FAR Clause 52.211-10 for exact date.)

Estimated Price Range: $3 million to $5 million

Location: 0.5 miles southwest of Crouch, Idaho

DESCRIPTION OF WORK in US CUSTOMARY UNITS

DIVISION 150 – Project Requirements (Quantities the same for both schedules) 152 Construction Survey & Staking x YES 153 Contractor Quality Control and Assurance x YES 154 Contractor Sampling & Testing x YES 155 Schedules for Construction Contracts (construction schedules) x YES 157 Silt fence, wattles, turbidity barriers, sediment traps, riprap energy dissipaters

Quantities not available

158 Watering for Dust Control 400 MGAL

DIVISION 200 – Earthwork (Quantities the same for both schedules) 201 Clearing & Grubbing 1.7 Acre 203 Removal of Structures & Obstructions

Removal of Bridge 1 Each 204 Roadway Excavation 2,100 CUYD 204 Unclassified Borrow 3,700 TON 207 Earthwork Geotextiles (geotextiles) 850 SQYD 208 Structure Excavation 5,500 CUYD 208 Structural Backfill 250 CUYD

September 2012 ID PFH 24(10) Davey’s Bridge

DIVISION 250 - Slope Reinforcement and Retaining Walls (Quantities the same for both Schedules) 251 Riprap 1,000 TON 255 Mechanically Stabilized Earth Walls (retaining walls) 1,880 SQFT

DIVISION 300 – Aggregate Courses (Quantities the same for both Schedules) 308 Minor Crushed Aggregate (crushed aggregate) 3,000 TON

DIVISION 400 – Asphalt Pavements & Surface Treatments (Quantities the same for both schedules) 403 Hot Asphalt Concrete Pavement (asphalt concrete pavement) 2,700 TON

DIVISION 550 – Bridge Construction 551 Concrete Filled Piles, In Place (18 x 0.5) 1,860 LNFT (same for both schedules) 552 Structural Concrete (concrete – major structures) 630 CUYD (same for both schedules) 553 Precast, Prestressed Concrete Girder 1,290 EACH (Sch A only) 554 Reinforcing Steel 35,000 LB (same for both schedules) 554 Reinforcing Steel, Epoxy Coated 79,000 LB (same for both schedules) 555 Steel Structures, Furnished, Fabricated & Erected 463,500 LB (Sch B only) 556 Bridge Railing, Concrete, ITD Rail 405 LNFT (same for both schedules) 564 Bearing Device, Elastomeric 16 EACH (same for both schedules)

DIVISION 600 – Incidental Construction (Quantities the same for both schedules) 602 24 – Inch Pipe Culverts 186 LNFT 603 Structural Plate Structures (6’-8” Span x 7’1”

Rise) 112 LNFT 605 Standard Underdrain System 135 LNFT 609 Concrete Curb – 14-Inch Depth 140 LNFT 609 Asphalt Curb – 8-Inch Depth 142 LNFT 617 Guardrail System, G4, Type 2, Class A Wood

Posts 790 LNFT 617 Terminal Section , Type Tangent 3 EACH 617 Structural Transition Railing 48 LNFT 619 Fences, Gates & Cattle Guards 700 LNFT 622 Rental Equipment X YES 624 Topsoil (landscaping & related items) 1,980 SQYD 625 Turf Establishment 7 SLRY 633 Permanent Traffic Control Devices YES 633 Remove and Reset Sign 10 EACH 634 Permanent Pavement Markings 16,000 LNFT 635 Temporary Traffic Control – Flagger 100 Hours