Atch 1-Specs.pdf

140P5420Q0029 Attachment 1

Page 1 of 2 Pages

Specifications Pre-Fabricated Bridge Structure With Installation

Big Cypress National Preserve

Project will consist of providing and setting a turnkey, pre-fabricated steel pedestrian bridge structure with pre-fabricated concrete abutments located in the Big Cypress National Preserve. The bridge will span the Halfway Creek Canal adjacent to the Big Cypress National Preserv Headquarters, 33100 Tamiami Trail East, Ochopee FL. 34141. Bridge shall be rated at 15,000 pounds capacity. Width shall be 8’ for inside handrail to inside rail with a tread surface which meets accessibility guidelines. Handrails shall meet local, state and federal safety requirements. Bridge shall be manufactured of hot dipped galvanized steel. Pre-cast concrete bridge abutments shall be placed on each of the two canal embankments. No work shall occur within the water. Big Cypress National Preserve has secured the permitting requirements for the bridge. Contractor will provide for traffic control, safety barriers, and environmental control devices and use best management practices.

The contractor shall field verify all measurements and obtain Contracting Officer Representative (COR) approval on all materials before fabrication

Government shall provide a geotechnical report provided by a certified testing facility to determine soil bearing capacity of the canal embankments that pre-fabricated concrete abutments will rest upon.

Government shall provide #57 stone for bedding of concrete abutments.

Contractor shall provide bridge structure and all associated supplies and materials.

Structures shall meet FDOT and Federal Bridge requirements.

Approx, 90’ span multiple sections that bolt together, hot dipped galavanized steel x 8’wide with code approved handrails.

Specifications:

• 90’ O/A LENGTH

• 96” (8’-0”) BETWEEN GUARDRAILS •

42” GUARD RAIL HEIGHT

• 36” HANDRAIL HEIGHT (HANDRAILS ALONG BOTH SIDES)

• NO OPENINGS LARGER THAN 4” ON SIDES OF BRIDGE •

DESIGN LOAD 40#/SQ. FT. • BRIDGE CAMBERED TO OFFSET DEAD LOAD DEFLECTION

140P5420Q0029 Attachment 1

Page 2 of 2 Pages

• DECK MATERIAL FIBERGLASS GRATING/FINE GRIT SURFACE/ ADA COMPLIANT BEARING BARS RUN

PERPENDICULAR TO BRIDGE LENGTH

• BRIDGE STRUCTURAL FRAME TO BE ABRASIVE BLASTED TO SSPC-SP7 BRUSH OFF B LAST CLEAN AND

THEN HOT DIP GALVANIZED

• ALL FASTENERS TO BE GALVANIZED FOUNDATIONS:

• PRECAST CONCRETE ABUTMENTS 2’ DEEP X 18” TALL X 10’ LONG WITH INTEGRATED BEARING PLATES

AND HOLD DOWN ANCHORS

• ABUTMENTS TO BE PLACED ON COMPACTED BED OF #57 STONE WITH ONE LAYER OF GEO GRID UNDER THE STONE. COMPACTED STONE EXTENDS 2’ BEYOND ALL SIDES OF ABUTMENTS. (Government provided).

• ONE END OF BRIDGE FIXED ON ABUTMENT; OPPOSITE END IS PLACED ON NYLON BEARING PAD WITH

CLAMP PLATES TO ALLOW FOR EXPANSION