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Home My WebLink AboutBID - 7579 RIVER RESTORATION AT WOODWARD TECHNOLOGY CENTER LOT 4 (2)ADDENDUM NO. 2 SPECIFICATIONS AND CONTRACT DOCUMENTS Description of BID 7579: River Restoration at Woodward Technology Center Lot 4 OPENING DATE: 3:00 PM (Our Clock) December 10, 2013 To all prospective bidders under the specifications and contract documents described above, the following changes/additions are hereby made and detailed in the following sections of this addendum: 1. The Opening Date has been changed to 3:00 PM (our clock) on December 10, 2013. 2. Additional Information Exhibit 1 – Questions & Answers Exhibit 2 – Clarifications & Revisions Exhibit 3 – Typical Pedestrian Bridge Section Exhibit 4 – Boring Logs Please contact John Stephen, CPPO, LEED AP, Senior Buyer at (970) 221-6777 with any questions regarding this addendum. RECEIPT OF THIS ADDENDUM MUST BE ACKNOWLEDGED BY A WRITTEN STATEMENT ENCLOSED WITH THE BID/QUOTE STATING THAT THIS ADDENDUM HAS BEEN RECEIVED. Financial Services Purchasing Division 215 N. Mason St. 2nd Floor PO Box 580 Fort Collins, CO 80522 970.221.6775 970.221.6707 fcgov.com/purchasing Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 1 of 8 EXHIBIT 1 – QUESTIONS & ANSWERS A. Questions regarding the pedestrian bridge - see attached Exhibit 3 - Typical Pedestrian Bridge Section and the answers below: 1. Q: What is the bridge width? A: 10’ clear width, rubrail to rubrail. 2. Q: What type of safety system is required? A: Vertical pickets with 4” max gap 3. Q: Are there any other attachments such as rub rail, hand rail or toe-plate on the bridge? A: Rubrail and steel toe-plate required. 4. Q: Who is to supply the Mag Particle testing or any other inspections required on the bridge? A: The manufacturer provides with a COC. B. Q: Please confirm the milestones and dates when the phase 1 contractor will be done with the excavation on this project site. A: The project site earthwork will be completed by Woodward’s contractor in December 2013, prior to start of work for the River Restoration project. C. Q: Can the anticipated delivery dates of the owner provided plantings be provided. A: Contract grown plant material is scheduled for delivery at the end of June 2014. D. Q: In the provided soils report from EEC, there are 3 boring locations in the work limits. They are B-1, B-9, and B-12. All these boring logs are missing from the Geotech report provided. This information would be helpful to understand groundwater depths, subgrade materials, etc. A: Additional soil boring logs 1, 9, and 12 are attached by exhibit for your use. E. Q: The type of valve specified for the master valve does not come in a 4” size. What should we use? A: There is no master valve called out on the plans, the master valve detail shall be disregarded. F. Q: The Nibco T-136 gate valve does not come in a 4”, 6” or 8” size. What should be used? A: The Contractor shall use Matco model 10RT isolation gate valves on all 4", 6" and 8" mainline pipe. Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 2 of 8 G. Q: Where will power be able to be drawn from for the irrigation controller? A: Power source is available from an existing City of Fort Collins transformer. Coordinate electrical power to the controller with the Owner’s Representative. Owner’s Representative will provide electrical design. H. Q: Will we need to as-built the final grades completed for the unclassified excavation portion of the project because this work is in a floodplain? A: The Contractor is required to complete the topsoil placement and finish grading as per the requirements of the contract, but will not be required to provide an as-built survey of final grades. Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 3 of 8 EXHIBIT 2 – CLARIFICATIONS & REVISIONS I. SECTION 00100 IINSTRUCTIONS TO BIDDERS – In Item 3.0 the following section has been added: 3.5 CONTRACTOR QUALIFICATIONS General Contractor Qualifications: General Contractor shall have completed at least four (4) projects of similar size, scope and complexity in the past five (5) years under similar guidelines to the ones provided herein. Contractor shall hold the appropriate State and/or local licenses to perform the work in the local jurisdiction. Contractor shall submit a list of reachable references, including name, telephone number, and address for persons who can verify successful completion of work including bank stabilization, concrete flatwork, landscape projects, and wetlands planting of similar size, scope and complexity. Positive verification results from references shall be a condition precedent to award of this contract. Superintendent Qualifications: The Contractor’s superintendent shall be a competent, experienced person employed by the Contractor. The Contractor shall submit the proposed superintendent’s resume with the qualifications package as part of the bid documents. The superintendent shall be assigned to this contract full-time until the job reaches substantial completion. The superintendent must have completed at least 2 similar projects in the past 5 years. II. REVISIONS TO PROJECT SPECIAL PROVISIONS a. REVISION SECTION 207 TOPSOIL - The following revision has been added: Subsection 207.03 shall include the following: Grade placed topsoil to a smooth, uniform surface to within one-tenth of one foot of finish elevation. Roll and rake, remove ridges, and fill depressions to meet finish grades. Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 4 of 8 EXHIBIT 3 - TYPICAL PEDESTRIAN BRIDGE SECTION Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 5 of 8 DATE: RIG TYPE: CME45 FOREMAN: DG AUGER TYPE: 4" CFA SPT HAMMER: MANUAL SOIL DESCRIPTION D N QU MC DD -200 TYPE (FEET) (BLOWS/FT) (PSF) (%) (PCF) LL PI (%) PRESSURE % @ 500 PSF TOPSOIL & VEGETATION _ _ SILTY CLAYEY SAND (SM/SC); brown 1 _ _ SAND & GRAVEL (SP/GP) 2 brown _ _ medium dense to dense 3 _ _ 4 _ _ SS 5 22 -- 7.0 _ _ 6 _ _ 7 _ _ 8 _ _ 9 _ _ SS 10 37/7" -- 7.1 _ _ 11 apparent cobbles _ _ 12 _ _ 13 _ _ 14 _ _ SS 15 49 -- 11.3 _ _ 16 _ _ SILTSTONE/SANDSTONE, grey 17 BOTTOM OF BORING DEPTH 17.0' _ _ 18 _ _ 19 _ _ 20 _ _ 21 _ _ 22 _ _ 23 _ _ 24 _ _ 25 _ _ Earth Engineering Consultants LEMAY/LINCOLN CAMPUS PROJECT NO: 1122080 DATE: OCTOBER 2012 RIG TYPE: CME45 WATER DEPTH FOREMAN: DG AUGER TYPE: 4" CFA SPT HAMMER: MANUAL Not Reported D N QU MC DD A-LIMITS -200 SWELL-CONSOLIDATION (feet) (BLOWS/FT) (PSF) (%) (PCF) LL PI (%) PRESSURE % - 500 PSF TOPSOIL & VEGETATION _ _ SILTY CLAYEY SAND (SM/SC) 1 _ _ SAND & GRAVEL (SP/GP) 2 brown _ _ dense to medium dense 3 _ _ 4 _ _ SS 5 32/9" -- 4.3 _ _ 6 _ _ 7 _ _ 8 _ _ 9 _ _ SS 10 25 -- 10.5 _ _ 11 _ _ 12 SILTSTONE / SANDSTONE / CLAYSTONE _ _ grey 13 _ _ CS 14 50/4.5" 9000+ 13.3 114.2 BOTTOM OF PIEZOMETER DEPTH 14.0' _ _ 15 _ _ 16 _ _ 17 _ _ 18 _ _ 19 _ _ 20 _ _ 21 _ _ PIEZOMETER LEGEND 22 _ _ Concrete Mix - 4" Diameter Lockable Steel Cover 23 2-Inch Diameter Flush Threaded- Schedule 40 PVC riser pipe _ _ Bentonite Seal 24 2-Inch Dia. Flush Threaded- Schedule 40 PVC Slotted pipe - 5' _ _ Silica Sand and/or Sand & Gravel Cave-In 25 PROJECT NO: 1122080 DATE: OCTOBER 2012 RIG TYPE: CME45 WATER DEPTH FOREMAN: DG AUGER TYPE: 4" CFA SPT HAMMER: MANUAL Not Reported D N QU MC DD A-LIMITS -200 SWELL-CONSOLIDATION (feet) (BLOWS/FT) (PSF) (%) (PCF) LL PI (%) PRESSURE % - 500 PSF TOPSOIL & VEGETATION _ _ SILTY CLAYEY SAND (SM/SC); brown 1 _ _ SAND & GRAVEL (SP/GP) 2 brown _ _ dense 3 _ _ 4 _ _ SS 5 49 -- 0.8 _ _ 6 apparent cobbles _ _ 7 _ _ 8 _ _ 9 _ _ SS 10 37 -- 10.9 _ _ 11 _ _ 12 SILTSTONE / SANDSTONE / CLAYSTONE _ _ brown / grey CS 13 31/5" 4000 18.6 BOTTOM OF PIEZOMETER DEPTH 13.0' _ _ 14 _ _ 15 _ _ 16 _ _ 17 _ _ 18 _ _ 19 _ _ 20 _ _ 21 _ _ PIEZOMETER LEGEND 22 _ _ Concrete Mix - 4" Diameter Lockable Steel Cover 23 2-Inch Diameter Flush Threaded- Schedule 40 PVC riser pipe _ _ Bentonite Seal 24 2-Inch Dia. Flush Threaded- Schedule 40 PVC Slotted pipe - 5' _ _ Silica Sand and/or Sand & Gravel Cave-In 25 _ _ Earth Engineering Consultants, Inc. LEMAY/LINCOLN CAMPUS FORT COLLINS, COLORADO LOG OF BORING/PIEZOMETER B-12 SHEET 1 OF 1 PZ DETAILS SAMPLE TYPE START DATE 10/19/2012 FINISH DATE 10/19/2012 WHILE DRILLING 7.0' GROUND SURFACE ELEV Not Reported 10/19/2012 N/A TOP OF CASING ELEV. 10/22/2012 7.0' SOIL DESCRIPTION Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 8 of 8 _ _ Earth Engineering Consultants, Inc. N/A LEMAY/LINCOLN CAMPUS FORT COLLINS, COLORADO LOG OF BORING/PIEZOMETER B-9 SHEET 1 OF 1 PZ DETAILS 10/19/2012 FINISH DATE TOP OF CASING ELEV. 10/19/2012 10/22/2012 5.4' SOIL DESCRIPTION WHILE DRILLING 6.0' GROUND SURFACE ELEV Not Reported 10/19/2012 SAMPLE TYPE START DATE Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 7 of 8 FORT COLLINS, COLORADO PROJECT NO: 1122080 OCTOBER 2012 LOG OF BORING B-1 SHEET 1 OF 1 WATER DEPTH START DATE 10/19/2012 WHILE DRILLING 8.0' FINISH DATE 10/19/2012 AFTER DRILLING N/A SURFACE ELEV N/A 24 HOUR N/A A-LIMITS SWELL EXHIBIT 4 - BORING LOGS Addendum 2 7579 River Restoration at Woodward Technology Center Lot 4 Page 6 of 8