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Home My WebLink AboutAddenda - BID - 5821 PEDESTRIAN BRIDGE AND BIKEAdministrative Services Purchasing Division City of Fort Collins CITYOF FORT COLLINS ADDENDUM No. 4 BID #5821 PEDESTRIAN BRIDGE AND TRAIL EXTENSION AT OVERLAND TRAIL ROAD AND CACHE LAPOUDRE RIVER SPECIFICATIONS AND CONTRACT DOCUMENTS Bid No. 5821 — Pedestrian Bridge and Trail Extension at Overland Trail Road and Cache LaPoudre River OPENING DATE: November 14, 2003 — 3:00 p.m. (Our Clock) To all prospective bidders under the specification and contract documents described above, the following changes are hereby made. SPECIFICATIONS Clarification to Section 01010/1.22, Summary of Work Restoration and Section 02950 Landscape Work. As stated in Section 01010/1.22A, Contractor shall return all areas disturbed by the Work to their original or better conditions in both function, topography, and appearance. All replacement vegetation shall be of the same kind as disturbed unless otherwise approved by Owner. For example, wetlands shall be restored as wetlands (1:1 area ratio minimum), willows restored with willows, grass with grass. A seed mixture is included in Section 01010/1.22B for dry land grass restoration. Plant warranty and tree protection standards are included in Section 02950. Restoration also includes topography. Unless otherwise indicated by proposed contours in the Drawings, Sheet 2 of 23 (Site Plan), the topography of all disturbed areas shall be restored to match existing topography subject to the maximum permissible deviation from alignment and elevation as specified in Section 01010/1.16, Summary of Work, Construction Survey, which is 0.10 feet. 2. Modification to the Drawings Sheet 7 of 23 (General Plan of Structure) Abutment B Section G-G. The detail currently indicates hand railing to be extended beyond the bridge structure and Abutment B along the concrete trail. Hand railing is not required along the concrete trail at this location. 3. Modification to the Drawings. Sheet 4 of 23 (Site Details) Detail 4 Typical Handrail Detail and Section 05522/2.01 Steel Railings, Structural Steel. Painted steel handrail was called out in several locations along the concrete trail. Detail 4 on Sheet 4 of 23 calls for the handrail to be 1'/2-inch O.D. Handrail size may also be Schedule 40 steel pipe diameter. 4. Clarification to Section 02469/2 01 Sheet Piling and Cofferdams Sheet Piles Steel sheet piling shall be a corrugated steel sheeting nongalvanized interlocking type, at least 4.2 mm (8 gage) in thickness with a section modulus of at least 16 cubic inches per linear foot, and conform to ASTM A 857/A 857M, Grade 36 minimum, or ASTM A 328/A 328M. 5. Modification to Section n9R.ri9/1 n9 Prf+-fnhrirnfarl gnncrofr..,+. jrn nit. l;f;-4 Q - -1;-- --A UZa511 LUZ, Fre-tabncated Superstructure Quality Certification. All proposed suppliers shall have current AISC Simple Steel Bridge or Major Steel Bridge certification. Suppliers without AISC Major Steel Bridge certification must provide documentation of at least five (5) successful bridge projects using 150-foot or greater spans in addition to those requirements described in Paragraphs 1.02D and 1.02E. Addendum #4 Pago 1 of') 215 North Mason Street • 2nd Floor • P.O. Box 580 • Fort Collins, CO 80522-0580 9 (970) 221-6775 • FAX (970) 221-6707 6. Bid Item No. 38 has been added to the revised bid schedule attached as follows. This item was inadvertently missing from the original bid schedule. Information for this item is represented on the plans and the definition of bid item is as follows: Bid Item No. 38 — Pedestrian Crossing Measurement. Measurement shall be as a single lump sum item. Payment. Payment will be at the lump sum price and shall include crosswalk striping, pedestrian crossing signs with flashing lights, providing metered electric service to the signs from existing overhead electric lines, buried service conduit, purchase, installation, transportation, location and protection of utilities, and all materials, equipment, and personnel necessary for a complete installation as indicated in the Drawings. Prequalified Suppliers: The following is a complete list of the current prequalified bridge manufacturer as approved by the Owner: Continental Bridge 8301 State Highway 29 North Alexandria, Minnesota 56308 (800)328-2047 BIG R Manufacturing P.O. Box 1290 Greeley, Colorado 80632-1290 (800)234-0734 Acrow Corporation P.O. Box 812 Carlstadt, New Jersey (201)933-0450 Wheeler Consolidated 9330 James Avenue South Bloomington, MN 55431 (800)328-3986 ATTACHMENTS Revised Bid Schedule — Addendum 4 U.S Bridge (Ohio Bridge) 201 Wheeling Avenue Cambridge, Ohio 43725 (888) USBRIDGE Steadfast Bridges 11940th Street N.E. Fort Wayne, Alabama 35967 (800)749-7515 EXCEL Bridge Manufacturino Co 12001 Shoemaker Avenue Sante Fe Springs, California 90670 (800)548-0054 If you should have any questions, please contact Jason Stutzman, P.E., Project Manager at (970) 221-6366, John Stephen, CPPO, Senior Buyer at (970) 221-6777 or Chris Carlson, P.E., C.F.M., Consultant Engineer at (970)223-5556. RECEIPT OF THIS ADDENDUM MUST BE ACKNOWLEDGED BY WRITTEN STATEMENT ENCLOSED WITH THE BID/QUOTE STATING THAT THIS ADDENDUM HAS BEEN RECEIVED. Addendum #4 Page 2 of 2 BID #5821 BID SCHEDULE — ADDENDUM 4 Bid Item Description Estimated Quantity Unit Unit Price Cost 1 Mobilization and Demobilization 1 LS 2 Water Control 1 LS 3 Traffic Control 1 LS 4 Surveying 1 LS 5 Clearing, Grubbing and Stripping 1 LS 6 Caisson 1, 6-Foot Dia. 25 LF 7 Caisson 2, 6-Foot Dia. 25 LF 8 Caisson 3, 4-Foot Dia. 25 LF 9 Caisson 4, 4-Foot Dia. 25 LF 10 Caisson 5, 4-Foot Dia. 25 LF 11 Caisson 6, 4-Foot Dia. 25 LF 12 Caisson 7, 4-Foot Dia. 25 LF 13 Caisson 8, 4-Foot Dia. 25 LF 14 Caisson 9, 4-Foot Dia. 25 LF 15 Pier No. 1 and Pier Cap 1 LS 16 Pier No. 2 and Pier Cap 1 LS 17 Pier No. 3 and Pier Cap 1 LS 18 Pier No. 4 and Pier Cap 1 LS 19 Pier No. 5 and Pier Cap 1 LS 20 Pier No. 6 and Pier Cap 1 LS 21 Pier No. 7 and Pier Cap 1 LS 22 Pier No. 8 and Pier Cap 1 LS 23 Pier No. 9 and Pier Cap 1 LS 24 Abutment A (North Abutment) 1 LS 25 Abutment B (South Abutment) 1 LS 26 Superstructure (154-Feet Span Prefabricated Brid e 2 EA 27 Superstructure (50-Feet Span Prefabricated Brid e 7 EA 28 Superstructure (25-Feet Span Prefabricated Bridge) 1 EA 29 Type H Riprap Bank Protection 553 SY 30 Type VH Riprap Bank Protection 771 SY 31 Colored Concrete Trail (6', 8', and 10' wide) 6621 SF 32 Colored Concrete Trail — Channel Trail Section 10' wide 2083 SF 33 Stacked Boulder Retaining Wall 183 34 Modular Block Retaining Wall 271 JLF 35 Cast -in -Place Concrete Retaining Wall 148 36 Driven Steel Sheet Pile (Non -cofferdam) 750 37 Restoration 1 LS 38 Pedestrian Crossing 1 LS TOTAL BID: $ Dollars SIGNATURE D�