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Innsdale Tank Rehanilitation Addendum SEHall U_ IIIIII1z l ADDENDUM NO. 1 February 1, 2011 Innsdale Ground Storage Tank Rehabilitation City of Cottage Grove, Minnesota SEH No. COTTG 114409 From: Short Elliott Hendrickson Inc. 3535 Vadnais Center Drive Saint Paul, MN 55110 -5196 To: Document Holders DOCUMENT HOLDERS on the above -named project are hereby notified that this document shall be appended to, take precedence over and become part of the original bidding documents dated December 2010 for this work. Bids submitted for the construction of this work shall conforin to this document. This addendum consists of 2 page(s) and attached Pre -Bid Conference Minutes and Attendance Roster, Document Nos. 00 4100 - Bid Form REVISED, 01 73 29 - Cutting and Patching, 03 30 00 - Cast -In -Place Concrete, 05 15 19 - Wire Rope Assemblies - Stainless Steel and 07 72 33 - Floor Hatches, 33 16 45 - Cathodic Protection for Water Storage Tanks, Drawing Nos. 11, 12 and CE & EP 1. Changes to Bidding Requirements: 1. Pre -Bid Conference Minutes and Attendance Roster attached. 2. Replace Section 00 41 00 - Bid Form in its entirety with the attached REVISED Bid Form (Attached) Changes to Specifications: 3. Add Section 0173 29 - Cutting and Patching (Attached) 4. Add Section 03 30 00 - Cast -In -Place Concrete (Attached) 5. Add Section 05 15 19 - Wire Rope Assemblies - Stainless Steel (Attached) 6. Add Section 07 72 33 - Floor Hatches (Attached) 7. Section 09 97 13 - Coating Systems for Water Storage Tanks, Article 3.01.1), 09 97 13 -4, Replace items 1 -6 in their entirety with the following items 1 -3: 1. Remove old CPS system. 2. Coordinate reinstallation of new CPS components after coating. 3. Upon completion, coordinate and verify proper operation. 8. Section 26 20 00 - Low - Voltage Electrical Transmission, Article 1.03.A, 26 20 00 -1, Add the following to the end of the paragraph: "Payments to Xcel Energy for their portion for removal of existing power poles and installation of new transformer to be by Owner, coordinated by Contractor." 9. Section 32 92 30 Turf Restoration, Article 3.02.13, 32 92 30 — 2, Add the following: "4. City will water seed after initial installation." 10. Section 32 92 30 Turf Restoration, Article 3.02.E, 32 92 30-2, Delete entire paragraph in its entirety. Addendum COTTG 114409 00 00 11 -1 11. Section 33 16 40 Repair and Modifications to Steel Water Storage Tanks, Article 2.01.D, 16 40 -1, Delete paragraph in its entirety. 12. Section 33 16 40 Repair and Modifications to Steel Water Storage Tanks, Article 2.01.E, 33 16 40 -2, Delete paragraph in its entirety. 13. Section 33 16 40 Repair and Modifications to Steel Water Storage Tanks, Article 2.01.1), 33 16 40 -1, Add the following paragraph: D. INSULATION 1. Rigid, extruded polystyrene board insulation. 2. Thermal Resistance (R): 5.0. 3. Thickness: 2-inch. 4. Board Size: 48 -inch by 96 -inch. 5. Compressive Strength: Minimum 25 psi. 6. Water Absorption in accordance with ASTM D2842: 0.1 percent by volume, maximum. 7. Edges: Square. 14. Section 33 16 40 Repair and Modifications to Steel Water Storage Tanks, Article 3.03.I, 33 16 40 -2, Add the following new paragraph: "Install insulation in valve vault roof and sidewalls of concrete valve vault (approximate dimensions 10'x20'x8'). Install with adhesive manufactured by either Sika Corporation or approved equal and installed according to manufacturers recommendations. 15. Add Section 33 16 45 - Cathodic Protection for Water Storage Tanks (Attached) Changes to Drawings: 16. Add Drawing No. I I (Attached) 17. Add Drawing No. 12 (Attached) 18. Replace Drawings CE 1 and EP 1 (Attached) Note: Receipt of this Addendum No. 1 (dated February 1, 2011) shall be acknowledged on Page 00 4100-2 of the submitted Bid Form. Failure to do so may subject Bidder to disqualification. END OF ADDENDUM Addendum 00 00 11 -2 COTTG 114409 -A PREBID SEH ATTENDANCE ROSTER Re: Innsdale Ground Storage Tank Rehabilitation Cottage Grove, Minnesota Project Manager: Doug Klamerus Date of Meeting: January 27, 2011 Time of Meeting: loam Location: Project Site SEH No.: COTTG 114409 Name: Dan Zienty Representing: SEH Address: 3535 Vadnais Center Drive Saint Paul, MN 55110 -5196 Telephone: 651.490.2160 FAX: 651.490.2150 Mobile: email: dzienty @sehinc.com Name: David Graham Representing: PCI Roads Address: Address: Telephone: 763.497.6100 FAX: Mobile: email: Name: Ben Nicholson Representing: TMI Coatings Inc Address: Telephone: 651.452.6100 FAX: Mobile: email: Name: Brad Smith Representing: Classic Protective Coatings Inc Address: Telephone: 952.461.4459 FAX: Mobile: email: s: \ae \c \cottg \11 4409 \I - gent \16 - meet \prebid_ attendance roster.doex Name: Bob Cox Representing: Champion Address: 7516 South 80th Street Telephone: Telephone: 952.707.9000 FAX: 651.458.2897 Mobile: email: Name: Tim Odland Representing: Odland Protective Coatings Address: Telephone: 763.229.2678 FAX: Mobile: email: Name: Rick Alt Representing: City of Cottage Grove, Minnesota Address: 7516 South 80th Street Cottage Grove, MN 55016 -3161 Telephone: 651.458.2800 FAX: 651.458.2897 Mobile: email: Name: Representing: Address: Telephone: FAX: Mobile: email: Short Elliott Hendrickson Inc. 13535 Vadnais Center Drive I Saint Paul, MN 55110 -5196 SEH is an equal opportunity employer I www.sehinc.com 1 651.490.2000 1 800.325.2055 1 651.490.2150 fa This Page Left Blank Intentionally 1 SEH PRE -BID MEETING MINUTES Re: Inmsdale Ground Storage Tank Rehabilitation Date of Meeting: January 27, 2011 Cottage Grove, Minnesota Project Manager: Doug Klamerus, PE Time of Meeting: 10:00am SEH No.: COTTG 114409 16.00 Location of Meeting: Project Site Attendees: See attached The following items were discussed at the above referenced meeting: I. Contractor's were provided with project scope summary A. Complete exterior coating removal/ replacement (3 -coat system), including full- containment B. Complete interior coating removal / replacement (2 -coat system), to incorporate DH C. Coating removal / replacement (2 -coat system), piping in the valve vault D. Reviewed structural / electrical modifications (locations) 1. Ladder/ cage 2. De -icer unit 3. New valve vault hatch 4. Bid alternates, i.e. other vault hatches (2), and tank floor sump 5. Overall electrical changes /additions (power pole removal, security- access alarms, etc.) 1I. Discussed project schedule A. April 18th start B. June 17th substantial completion I1I. Discussed that addendum would be forthcoming IV. Discussed at length C.P. system contractor responsibility per spec V. Other A. Restoration: Hydro- seeding City to water — after installation. B. Transducer in valve vault needs to be kept operational during project C. Contractors requested information ref. Electrical Service On Site, this was in direct regard to powering of required DH unit. As a follow up contractors inquired about acceptable noise level (generator) ... City response, consideration should be made with respect to chose of equipment and or operating location at the site D. Equipment staging areas, parking (individual parking on street acceptable... equipment within fence). Consideration should be made for overhead power -lines on sight E. Contractor's were asked if there were any other questions/issues ... None SEH believes that this document accurately reflects the business transacted during the meeting. If any attendee believes that there are any inconsistencies, omissions or errors in the minutes, they should notify the writer at once. Unless objections are raised within seven (7) days, we will consider this account accurate and acceptable to all. If there are errors contained in this document, or if relevant information has been omitted, please contact Doug Klamerus, PE at 651.765.2973. c: Attendees Jennifer Levitt, PE - Cottage Grove Harry Taylor — Cottage Grove s: \acne \cottg \I 14409 \bidding dox \addendum no. I \prebid meeting minutes.docx Short Elliott Hendrickson Inc., 3535 Vadnais Center Drive, St. Paul, MN 55110-5196 SEH is an equal opportunity employer I www,sehinc.com 1 651.490.2000 1 800.325.2055 1 651.490.2150 fax This Page Left Blank Intentionally The Bid is to be submitted on photocopies of this Bid Form and the attachments provided. DOCUMENT 00 4100 REVISED - BID FORM Total Bid Amount with Alternates$ Contractor Name Telephone PROJECT IDENTIFICATION: Innsdale Ground Storage Tank Rehabilitation City of Cottage Grove, Minnesota SEH No. COTTG 114409 BIDS TO BE OPENED: TABLE OF ARTICLES Page Article1 — Bid Recipient ............................................................................................................. ............................... l Article 2 — Bidder's Acknowledgements ...................................................................................... .............................. l Article 3 — Bidder's Representations ............................................................................................ ..............................2 Article4 — Bidder's Certification ................................................................................................. ..............................2 Article5 — Basis of Bid ................................................................................................................ ..............................3 Article6 — Time of Completion ................................................................................................... ..............................4 Article 7 — Attachments To This Bid ............................................................................................ ..............................4 Article — Defined Terms ............................................................................................................ ..............................4 Article9 — Bid Submittal ............................................................................................................. ............................... 5 ARTICLE 1— BID RECIPIENT 1.01 This Bid is submitted to: Jennifer Levitt - City Engineer City of Cottage Grove, Minnesota 7516 South 80th Street Cottage Grove, MN 55016 1.02 The undersigned Bidder proposes and agrees, if this Bid is accepted, to enter into an Agreement with Owner in the form included in the Bidding Documents to perform all Work as specified or indicated in the Bidding Documents for the prices and within the times indicated in this Bid and in accordance with the other terns and conditions of the Bidding Documents. ARTICLE 2 — BIDDER'S ACKNOWLEDGEMENTS 2.01 Bidder accepts all of the terms and conditions of the Instructions to Bidders, including without limitation those dealing with the disposition of Bid security. The Bid will remain subject to acceptance for 60 days after the day of Bid opening, or for such longer period of time that Bidder may agree to in writing upon request of Owner. REVISED - Bid Form COTTG 114409 0041 00-1 ARTICLE 3 — BIDDER'S REPRESENTATIONS 3.01 In submitting this Bid, Bidder represents, as set forth in the Agreement, that: A. Bidder has examined and carefully studied the Bidding Documents, the other related data identified in the Bidding Documents, and the following Addenda, receipt of all which is hereby acknowledged. Addendum No. Addendum Date B. Bidder has visited the Site and become familiar with and is satisfied as to the general, local and Site conditions that may affect cost, progress, and performance of the Work. C. Bidder is familiar with and is satisfied as to all Laws and Regulations that may affect cost, progress and performance of the Work. D. Bidder has carefully studied all: (1) reports of explorations and tests of subsurface conditions at or contiguous to the Site and all drawings of physical conditions in or relating to existing surface or subsurface structures at or contiguous to the Site (except Underground Facilities) that have been identified in S.C. 4.02 as containing reliable "technical data ", and (2) reports and drawings of a Hazardous Environmental Condition, if any, that have been identified in S.C. 4.06 as containing reliable "technical data ". E. Bidder has considered the information known to Bidder; information commonly known to contractors doing business in the locality of the Site; information and observations obtained from visits to the Site; the Bidding Documents; and the Site - related reports and drawings identified in the Bidding Documents, with respect to the effect of such information, observations, and documents on (1) the cost, progress, and performance of the Work; (2) the means, methods, techniques, sequences, and procedures of construction to be employed by Bidder, including applying the specific means, methods, techniques, sequences, and procedures of construction expressly required by the Bidding Documents; and (3) Bidder's safety precautions and programs. F. Based on the information and observations referred to in Paragraph 3.01 above, Bidder does not consider that any further examinations, investigations, explorations, tests, studies, or data are necessary for the determination of this Bid for performance of the Work at the price(s) bid and within the times and in accordance with the other terms and conditions of the Bidding Documents. G. Bidder is aware of the general nature of work to be performed by Owner and others at the Site that relates to the Work as indicated in the Bidding Documents. H. Bidder has given Engineer written notice of all conflicts, errors, ambiguities, or discrepancies that Bidder has discovered in the Bidding Documents, and the written resolution thereof by Engineer is acceptable to Bidder. I. The Bidding Documents are generally sufficient to indicate and convey understanding of all terms and conditions for the performance of the Work for which this Bid is submitted. ARTICLE 4 — BIDDER'S CERTIFICATION 4.01 Bidder certifies that: A. This Bid is genuine and not made in the interest of or on behalf of any undisclosed individual or entity and is not submitted in conformity with any collusive agreement or rules of any group, association, organization, or corporation; Bid Form - REVISED 0041 00-2 COTTG 114409 B. Bidder bas not directly or indirectly induced or solicited any other Bidder to submit a false or sham Bid; C. Bidder has not solicited or induced any individual or entity to refrain from bidding; and D. Bidder has not engaged in corrupt, fraudulent, collusive, or coercive practices in competing for the Contract. For the purposes of this Paragraph 4.01.13: 1. "corrupt practice" means the offering, giving, receiving, or soliciting of any thing of value likely to influence the action of a public official in the bidding process; 2. "fraudulent practice" means an intentional misrepresentation of facts made (a) to influence the bidding process to the detriment of Owner, (b) to establish bid prices at artificial non - competitive levels, or (c) to deprive Owner of the benefits of free and open competition; 3. "collusive practice" means a scheme or arrangement between two or more Bidders, with or without the knowledge of Owner, a purpose of which is to establish bid prices at artificial, non- competitive levels; and 4. "coercive practice" means harming or threatening to harm, directly or indirectly, persons or their property to influence their participation in the bidding process or affect the execution of the Contract. ARTICLE 5 — BASIS OF BID 5.01 Bidder will complete the Work in accordance with the Contract Documents for the following price(s): UNIT PRICE BID Est Item No. Description Unit Qty Bid Unit Price Bid Price 1. Mobilization & Site Maintenance LS 1 $ $ 2. Containment LS 1 $ $ 3. Repair & Modifications (33 16 40) LS 1 $ $ 4. Dehumidification LS 1 $ $ 5. Interior Wet Coating (09 97 13) LS 1 $ $ 6. Valve Vault & Piping (09 97 13) LS 1 $ $ 7. Exterior Coating (09 97 13) LS 1 $ $ 8. Miscellaneous Concrete LS 1 $ $ 9. Miscellaneous Electrical LS 1 $ $ 10. Site Restoration LS 1 $ $ 11. De -Icing Units LS 1 $ $ 12. Interior Caulking LF 1,000 $ $ 13. Interior Grinding HOUR 50 $ $ REVISED - Bid Form COTTG 114409 0041 00-3 TOTAL BID PRICE $ Alternate A - Three (3) Hatches on Vault Yard $ Alternate B - Add Sump in Floor of Tank $. TOTAL BID PRICE WITH ALTERNATES $ Unit Prices have been computed in accordance with Paragraph 11.03.B of the General Conditions. Bidder acknowledges that estimated quantities are not guaranteed, and are solely for the purpose of comparison of Bids, and final payment for all Unit Price Bid items will be based on actual quantities, determined as provided in the Contract Documents. ARTICLE 6 — TIME OF COMPLETION 6.01 Bidder agrees that the Work will be substantially complete and completed and ready for final payment in accordance with Paragraph 14.07.13 of the General Conditions on or before the dates or within the number of calendar days indicated in the Agreement. 6.02 Bidder accepts the provisions of the Agreement as to liquidated damages. ARTICLE 7 — ATTACHMENTS TO THIS BID 7.01 The following documents are attached to and made a condition of this Bid: A. Required Bid security in the form of Bid Bond or Cashiers Check. B. List of Proposed Subcontractors. C. List of Proposed Suppliers. D. List of Project References. E. Affidavit of Non - Collusion. F. List other documents as pertinent. ARTICLE 8 — DEFINED TERMS 8.01 The terms used in this Bid with initial capital letters have the meanings indicated in the Instructions to Bidders, the General Conditions, and the Supplementary Conditions. Bid Form - REVISED 0041 00-4 COTTG 114409 Est Item No. Description Unit Qty Bid Unit Price Bid Price 14. Exterior Caulking LF 150 $ $ 15. New Cathodic Protection System LS 1 $ $ 16. Two (2) Year Warranty LS 1 $ $ TOTAL BID PRICE $ Alternate A - Three (3) Hatches on Vault Yard $ Alternate B - Add Sump in Floor of Tank $. TOTAL BID PRICE WITH ALTERNATES $ Unit Prices have been computed in accordance with Paragraph 11.03.B of the General Conditions. Bidder acknowledges that estimated quantities are not guaranteed, and are solely for the purpose of comparison of Bids, and final payment for all Unit Price Bid items will be based on actual quantities, determined as provided in the Contract Documents. ARTICLE 6 — TIME OF COMPLETION 6.01 Bidder agrees that the Work will be substantially complete and completed and ready for final payment in accordance with Paragraph 14.07.13 of the General Conditions on or before the dates or within the number of calendar days indicated in the Agreement. 6.02 Bidder accepts the provisions of the Agreement as to liquidated damages. ARTICLE 7 — ATTACHMENTS TO THIS BID 7.01 The following documents are attached to and made a condition of this Bid: A. Required Bid security in the form of Bid Bond or Cashiers Check. B. List of Proposed Subcontractors. C. List of Proposed Suppliers. D. List of Project References. E. Affidavit of Non - Collusion. F. List other documents as pertinent. ARTICLE 8 — DEFINED TERMS 8.01 The terms used in this Bid with initial capital letters have the meanings indicated in the Instructions to Bidders, the General Conditions, and the Supplementary Conditions. Bid Form - REVISED 0041 00-4 COTTG 114409 ARTICLE 9 — BID o UBMITTAL 9.01 This Bid submitted by: If Bidder is: An Individual Name (typed or printed): By: Doing business as: A Partnership Partnership Name: By: (SEAL) (Individual's signature) (Signature of general partner - attach evidence of authority to sign) Name (typed or printed): A Joint Venture Name of Joint Venturer: First Joint Venturer Name: By: (Signature of first joint venture partner - attach evidence of authority to sign) Name (typed or printed): Title: (SEAL) Second Joint Venturer Name: By: (Signature - attach evidence of authority to sign) (SEAL) Name (typed or printed): Title: (Each joint venturer must sign. The manner of signing for each individual, partnership, and corporation that is a party to the joint venture should be in the manner indicated above.) REVISED - Bid Form (SEAL) COTTG 114409 0041 00-5 A Corporation Corporation Name: State of Incorporation: Type (General Business, Professional, Service, Limited Liability): By: (Signature - attach evidence of authority to sign) Name (typed or printed): Title: (CORPORATE SEAL) Attest: (Signature of Corporate Secretary) Date of Qualification to do business in is (State Where Project is Located) 9.02 Contact Information Bidder's Business Address: Phone: Submitted on State Contractor License No. Bid Form - REVISED 20 (If applicable) E -mail: (SEAL) Facsimile: 0041 00-6 COTTG 114409 SECTION 0173 29 CUTTING AND PATCHING PART1 GENERAL 1.01 SUMMARY A. Section Includes: 1. Procedures for administration of cutting and patching of existing structures and buildings. a. Submittals. b. Quality assurance. 2. Materials. 3. Examination: Site conditions. 4. Preparation: a. Temporary Support. b. Protection. 5. Construction: a. Special techniques. b. Interface with others. 6. Cleaning. B. Related Sections: 1. Section 01 33 00 - Submittal Procedures 2. Individual Specification Sections inferred by Cutting and Patching required. 1.02 SUBMITTALS A. Refer to Section 01 33 00. B. Schedules: 1. Initial Schedule: a. 5 days prior to proposed start of work, submit to Engineer 6 copies of schedule of work involving cutting or patching. 2. Utility Schedule: a. Include with initial schedule the following utility information: 1) Which utilities will be disturbed or affected, including those that will be relocated or temporarily out -of- service. 2) Length of time service will disrupted. 3. Revised Schedules: Submit 6 copies of updated schedules not less than once per week. C. Structural Elements: Where cutting and patching involves addition to reinforcement to structural elements, submit 6 copies of Shop Drawings including all details and structural calculations showing how reinforcement is integrated with the original structure. 1.03 QUALITY ASSURANCE A. Qualifications: 1. Personnel: Employ skilled workers. B. Regulatory Requirements: 1. Structural Work Limitations: a. Do not cut and patch structural elements in manner to reduce load - carrying capacity or load- deflection ratio. Obtain acceptance of cutting and patching proposal before cutting and patching following structural elements: 1) Foundation construction. 2) Bearing walls. 3) Structural concrete. 4) Structural steel. 5) Lintels. 6) Structural decking. 7) Miscellaneous structural metals. 8) Equipment supports. b. Operational and Safety Limitations: 1) Do not cut and patch operating elements or safety related components in manner to reduce their capacity to perform as intended, or result in increased maintenance or decreased operational life and safety. Obtain acceptance of cutting and patching proposal before cutting operating elements or safety related systems. 2) Visual Requirements: a) Do not cut and patch construction exposed on exterior or in occupied spaces in manner to, in Engineer's opinion, reduce COTTG 114409 Cuttina and Patch 01 7329-1 structure's/building's aesthetic qualities, or result in visual evidence of cutting and patching. Remove and replace work cut and patched in visually unsatisfactory manner. If possible, retain project contractors to patch following categories of exposed work, otherwise engage other recognized experienced, specialized firms including, but not limited to: (1) Special concrete finishes. (2) Masonry. (3) Stucco and plaster. (4) Acoustical ceilings. (5) Ceramic tile. (6) Flooring. (7) Roofing. C. Preinstallation Meetings: Before proceeding, meet at Site with parties involved in cutting and patching, including mechanical and electrical trades. Review areas of potential interference and conflict. Coordinate procedures, resolve potential conflicts before proceeding. PART 2 PRODUCTS 2.01 MATERIALS A. Identical to existing materials. If not available or not usable where exposed surfaces are involved, match existing adjacent surfaces to fullest extent possible with regard to visual effect. Use materials whose installed performance equals or surpasses that of existing materials. PART 3 EXECUTION 3.01 EXAMINATION A. Site Conditions: Before cutting existing surfaces, examine surfaces to be cut and patched and conditions under which cutting and patching is to be performed. If unsafe or unsatisfactory conditions are encountered, correct before proceeding. Cutting and Patch 01 7329 -2 3.02 PREPARATION A. Temporary Support: Provide temporary support of work to be cut. B. Protection: 1. Prevent damage to existing construction. Protect portions of project that might be exposed during work from adverse weather conditions. 2. Avoid interference with use of or free passage to adjoining areas. 3. Take necessary precautions to avoid cutting existing pipe, conduit, ductwork. 3.03 CONSTRUCTION A. Special Techniques: 1. Cutting: a. General: 1) Use methods least likely to damage elements to be retained or adjoining construction. Cut holes and slots neatly to size required with minimum disturbance of adjacent surfaces. Temporarily cover openings when not in use. 2) Equipment: a) Hand or small power tools designed for sawing or grinding. For concrete and masonry, use cutting machine such as carborundum saw or diamond core drill. 3) Existing finished surfaces: Avoid marring; cut or drill from exposed or finished side into concealed surfaces. 4) Excavating and Backfilling: Comply with requirements of applicable Sections of Division 31. 5) Utility services: a) Where services are shown or required to be removed, relocated or abandoned, bypass before cutting. b) Cut off pipe or conduit in walls or partitions to be removed. COTTG 114409 L) Cap, valve or plug and seal remaining portion of pipe or conduit to prevent entrance of moisture, other foreign matter after by- passing and cutting. b. Patching: 1) Seams: Durable, invisible as possible. 2) Exposed finishes: a) Restore, extend finish restoration into retained adjoining construction in manner to eliminate evidence of patching and refinishing. b) Where finished areas extend into others, patch and repair floor and wall surfaces in new space to provide even surface of uniform color and appearance. Remove existing floor and all coverings, replace with new materials, if necessary to achieve uniform color and appearance. c) Where patching occurs in smooth painted surface, extend final paint coat over entire unbroken area containing patch, after patched area has received primer and second coat. d) Patch, repair, rehang existing ceilings as necessary to provide even plane surface of uniform appearance. B. Interface with Others: Cut to provide for installation of other components or performance of the reconstruction activities and subsequent fitting and patching required to restore surfaces to original condition. 3.04 CLEANING A. Thoroughly clean areas, spaces where cutting and patching is perforrmed or used as access. Remove completely paint, mortar, oils, putty, similar items. Thoroughly clean piping, conduit, similar features before painting or other finishing is applied. COTTG 114409 Restore damaged pipe covering to original condition. END OF SECTION Cutting and Patching 01 7329-3 This Page Left Blank Intentionally SECTION 03 30 00 CAST -IN -PLACE CONCRETE PARTI GENERAL 1.01 SECTION INCLUDES A. Furnish and install all cast -in -place concrete and accessories. B. Related Sections: 1. Section 03 11 00 - Concrete Forming 2. Section 03 20 00 - Concrete Reinforcing 1.02 REFERENCES A. American Concrete Institute (ACI): 1. A301 - Specifications for Structural Concrete for Buildings 2. A305 - Hot Weather Concreting 3. A306 - Cold Weather Concreting 4. A309 - Recommended Practice for Consolidation of Concrete 5. A350 - Environmental Engineering Concrete Structures 1.04 QUALITY ASSURANCE A. Comply with ACI 301, except as modified in this Section. B. Retain an independent testing laboratory /agency selected by the Owner to perform the work listed below. All costs for this testing shall be paid by Contractor: 1. Test proposed aggregate. 2. Design concrete mixes for each type of concrete specified. 3. Test each type of concrete mixes proposed for slump air content, temperature, and compressive strength. 4. Cast concrete cylinders for compressive strength tests. 5. Test concrete cylinders for compressive strength. C. Aggregate Tests: Test aggregates for compliance with ASTM C33. B. ASTM: 1. A36 - Carbon Structural Steel 2. A307 - Carbon Steel Bolts and Studs 1.03 SUBMITTALS A. Submittals shall conform to Section 01 33 00 — Submittal Procedures. B. Submit manufacturer's data for concrete admixtures, liquid curing material, floor joint filler, finishing compounds, bonding agents, and adhesive anchoring material. C. Submit concrete aggregate test reports and concrete mix designs along with laboratory concrete test results (air content, slump, and compression strength) at least 14 days prior to placement of concrete. D. Submit results of project field and laboratory concrete tests (slump, air content, and compressive strength). COTTG 114409 D. Concrete Mix Design: 1. Prepare mix designs for each type of concrete specified. 2. Design concrete mixes in accordance with ACI 301. E. Concrete Strength Tests: 1. Mold and cure 4 specimens from each sample in accordance with ASTM C31. Any deviations from the requirements of ASTM C31 shall be recorded in the test report. 2. Test specimens in accordance with ASTM C39. 2 specimens shall be tested at 28 days for acceptance and 1 shall be tested at 7 days for information. 1 specimen shall be tested at 56 days if desired by Engineer. 3. Make at least 1 strength test for each 100 cu.yds. or fiaction thereof of each mixture design of concrete placed in any 1 day. 4. A copy of the test results shall be furnished to the Engineer as soon as available. Cast -In -Place Concrete 033000 -1 5. All costs of concrete cylinder testing shall be paid by the Contractor. 6. Mold and field cure specimens as required in ASTM C31. 7. The acceptance test results shall be the average strengths of the 2 specimens tested at 28 days. 8. Failure on the concrete tested to meet the specified strength, in accordance with ASTM C42, will require a load test of test cores at Contractor's expense. 9. Failure to meet strength requirements of the cores, shall constitute consideration for rejection by Engineer. 10. The cost of all measures to make the work satisfactory shall be paid for by Contractor. F. Adjustment to Concrete Mixes: May be requested when characteristics of materials, job conditions, weather, test results, other circumstances warrant, at no additional cost to Owner, it meets the requirements of 3.0I .A, and as accepted by Engineer. G. Concrete Slump Tests: 1. The testing agency shall determine slump of concrete from each truck in accordance with ASTM C143. 2. If slump exceeds maximum allowed, remove batch from work and dispose of off Project Site. 3. Slump shall be tested at end of conveying system. 4. All costs of slump testing shall be paid by the Contractor. H. Concrete Air Content Tests: 1. The testing agency shall determine air content of concrete from each truck in accordance with ASTM C231. 2. If air content adjustments are allowed provided the maximum unloading time is not exceeded as specified in 3.01A. Otherwise remove batch from work and dispose of off Project Site. 3. Air content shall be tested at end of conveying system. 4. All costs of air content testing shall be paid by the Contractor. I. Concrete Temperature: Cast -In -Place Concrete 033000 -2 1. The testing agency small determine temperature of concrete from each truck in accordance with ASTM C31. 2. The temperature shall be tested at end of conveying system. 3. All costs of temperature testing shall be paid by the Contractor. Special Structural Testing and Inspection Program: 1. Special inspections are required in accordance with Section 0145 10. The Testing Agency selected by the Owner and retained by the Contractor will conduct concrete slump tests, concrete air content tests, concrete temperature tests, and concrete strength test periodically as required per the Special Structural Testing and Inspection Program Summary Schedule. 2. Concrete floor slabs on grade are exempt from Special Inspections requirements. 3. All costs of Special Inspections concrete tests will be paid by the Contractor. 1.05 PRODUCT HANDLING A. Do not store forms, shores, reinforcing, equipment, or other material on finished slab surfaces. PART 2 PRODUCTS 2.01 CONCRETE MATERIAL A. Cement: Conform to ASTM C150, Type I. 1. Alkali content less than or equal to 0.6 percent (expressed as Na20). 2. Provide cement from one source of supply. B. Aggregate: 1. Coarse Aggregate: ASTM C33 -5S a. Provide from 1 source of supply. b. For exterior exposed surfaces. c. For concrete floor slab topping, furnish coarse aggregate, consisting of gravel or crushed stone, clean, hard, free of deleterious matter. Grade by weight to pass sieves as follows: - 1/2 inch: 100 percent. COTTG 114409 - 3/6 inch: 30 -50 percent. - No. 4: 0 -15 percent. - No. 8: 0 -5 percent. 2. Fine Aggregate: ASTM C33. a. Provide from 1 source of supply. b. For exterior exposed surfaces. c. For concrete floor slab topping, furnish fine aggregate, consisting of sand or crushed stone screenings, clean, hard, free of deleterious matter. Grade by weight to pass sieves as follows: - 3/8 inch: 100 percent. - No. 4: 95 -100 percent. - No. 8: 80 -90 percent. - No. 16: 50 -75 percent. -No. 30: 30 -50 percent. - No. 50: 10 -20 percent. - No. 100: 2 -5 percent 3. Do not use fine or coarse aggregates containing spalling- causing deleterious substances. 4. Local aggregates not complying with ASTM C33 but which have been shown by special test or actual service to produce concrete of adequate strength and durability may be used when approved by Engineer. 5. Maximum Size aggregate shall not exceed: a. 115 the narrowest dimension of concrete member; nor b. 1/3 the depth of slab; nor c. 3/4 the clear spacing between reinforcement bars; nor d. 1 -1/2 inches 6. Gradation sizes 467, 57 or 67: ASTM C33, Table 2. C. Water: Clean potable and free from deleterious amounts of oil, acid, alkali, or other foreign matter. 2.02 ADMIXTURES A. Air Entraining Admixture: ASTM C260. B. Water Reducing Admixture: ASTM C494, Type A. C. High Range Water- Reducing Admixtures (Superplasticizer): ASTM C494, Type F and contain no chlorides. D. Retarding Admixtures: ASTM C494, Types B and D. E. Set - Accelerating Admixtures: ASTM C494, Type C. No chloride containing admixtures will be allowed. F. Viscosity Modifying Admixture: Demonstrate compatibility with other admixtures. G. Pozzolans: 1. Fly Ash: ASTM C618, Class C or F. Loss on ignition shall be limited to 3 percent maximum. 2. Ground Granulated Blast- Furnace Slag: ASTM C989, Grade 100 or 120. 3. Silica Fume: ASTM C1240, 6 percent maximum. 2.03 MISCELLANEOUS MATERIAL A. Burlap - Polyethylene Sheet: Burlap polyethylene sheeting shall consist of burlap weighing not less than 10 ounces per linear yard, 40 inches wide impregnated on 1 side with white opaque polyethylene 0.006 inch thick. Sheeting shall conform to ASTM C171. B. Liquid Curing Compound: ASTM C309, Type 1 -D, Class B clear or translucent with fugitive dye. Do not apply to floor slabs. C. Expansion Joint Material: Bituminous fiber type conforming to ASTM D1751 with bituminous or paraffin binder. D. PVC Waterstops: 1. Serrated (ribbed) type with centerbulb. 2. Material: Virgin PVC. 3. Minimum Thickness: 3/16 -inch. 4. Greenstreak Plastic Products Company, specification grade, or approved equal. 5. Install 4-inch width for construction joints located flush with slab or wall. a. Centerbulb diameter: 3/4 -inch minimum. 6. Install 6 -inch width for all other construction joints, unless otherwise noted. a. Centerbulb diameter: 15/16 -inch minimum. 7. Install 9 -inch width tear web PVC waterstops at expansion joints: Cast -In -Place Concrete COTTG 114409 033000-3 a. Minimum thickness 3/8 -inch Install 9 -inch width retro -fit PVC waterstops (center bulb or tear web) at joints to existing structures. a. Minimum thickness 1/2 -inch. Water Stop Joints: Manufacturer's standard prefabricated joints at intersection points and corners. E. Hydrophyllic Waterstops: 1. Rubber Concrete Joint: Volclay Akwastop in accordance with manufacturers recommendations, or approved equal. 2. Bentonite RX 101: Colloid Environmental Technologies Company, installed per manufacturer's specification with approved bonding agent. F. Interior Joint Filler: 1 part, self leveling, polymer reinforced joint filler. 1. Everjoint manufactured by L &M Construction Chemicals, Inc., or approved equal. G. Exterior Joint Sealant: 2 parts, self leveling, polyurethane sealant. 1. Sonolastic SL2 manufactured by Sonneborn, or approved equal. H. Bonding Agent: Acryl 60 manufactured by Thoro System Products, or approved equal. I. Adhesive for anchoring steel reinforcement dowels and threaded rods in concrete: 2 component injected epoxy structural adhesive. 1. Approved Products: a. Hilti RE -500 Adhesive by Hilti Fastening Systems b. Epoxy -Tie Adhesive by Simpson Strong -Tie c. Epogel by Sonnebom Epoxy Injection: Sika 35, Hi -Mod, LV or equal with Sikadur 31 Paste Epoxy or equal to be installed as manufacturer's recommendations. K. Plastic Coated Manhole Rungs: Copolymer Polypropylene Plastic in accordance with ASTM C -478 and ASTM A -615 as Cast -In -Place Concrete manufactured by M.A Inuustries, Inc., or approved equal. L. Dovetail Anchor Slot: 18 gage stainless steel. M. Vapor Barrier: ASTM E1745, Class A, minimum 10 mils thick polyethylene film, water vapor transmission of 0.00 or peim level of 0.01. N. Floor Hardener: Acid -base, liquid. O. Special Form Finish 1. Thoroseal by BASF, Tri -Mix Cementious Concrete Surfacer by TK Products; or approved equal. 2. Prepare concrete surfaces and apply bonding agent and product in accordance with manufacturer's recommendations and in accordance with Section 03 30 00: 3.14 B. 2.04 CONCRETE MIX PROPORTIONS A. All concrete mix proportions are shown in Table 2.1 at the end of the Section. PART 3 EXECUTION 3.01 CONCRETE PRODUCTION A. Ready -mixed concrete: Comply with ASTM C94. 1. Air Temperature between 85 degrees F (30 degrees C) and 90 degrees F (32 degrees C): Reduce mixing and delivery time to 75 minutes. 2. Air Temperature above 90 degrees F (32 degrees C): Reduce mixing and delivery time to 60 minutes. 3. Batch Ticket: Provide for each batch discharged and used in work, indicating project identification name and number date, mix type, mix time, quantity and amount of water introduced and available. B. Mix concrete only in quantities for immediate use. Concrete which has set shall be discarded and shall not be retempered. 033000-4 COTTG 114409 C. Do not add water at the Project Site without the approval of Engineer. D. Superplasticizer may be added at the site or at the plant. Add superplasticizer and mix concrete in accordance with manufacturer's specification. material to prevent tue entry of concrete into the voids. 3.04 PREPARATION BEFORE PLACING A. Complete formwork and secure all reinforcement and embedded items in place. 3.02 PLACING WATERSTOP B. Formwork Erection (floor slab on grade): 1. Verify lines, levels, and measurement A. Place waterstop material at all construction before proceeding with formworIc joints, unless shown otherwise and 2. Hand trim sides and bottom of earth confirmed by Engineer. forms; remove loose dirt. 3. Align form joints. B. Center waterstop in the joint and between 4. Slope floor as required per Drawings. each layer of reinforcing steel with each half embedded in concrete. Secure waterstop by C. Remove all snow, ice, and mud prior to hog -tying waterstop to protection bar (refer placing concrete. to Drawings) at 12 inches on center prior to placing concrete. D. Do not place concrete on frozen ground. C. Thoroughly and systematically vibrate E. Do not place concrete on ground with concrete around the waterstop to ensure standing water or when upper 2 inches of positive contact between concrete and ground is saturated. waterstop. When concrete is being placed, take care not to deflect waterstop out of F. Do not place concrete during rain, sleet, or proper position. snow. D. Use prefabricated waterstop fittings or G. Vapor Barrier (where required for floor slab follow proper field splicing procedures for on grade): all connections and splices. 1. 1. Install per ASTM E1643. 1. Miter all intersecting connections at 45 2. Place membrane over compacted fill degrees. prior to placement of base fill; minimum 2. Use a thermostatielly controlled heating number of joints. iron to heat both ends of waterstop to be 3. Overlap sheets and seal joints with tape connected, then butt splice pieces to be in accordance with manufacturer's joined with full contact. recommendations. E. Follow manufacturer's recommendations for H. Concrete floor slab topping. Additional proper preparation and installation of preparation requirements are: waterstop material. 1. Abrade surface by chipping or scarifying before cleaning as necessary 3.03 EMBEDDED ITEMS for good bonding. 2. Fill voids, cracks, and cavities in A. Place all sleeves, inserts, anchors, and existing concrete surface. embedded items required for adjoining work 3. Thoroughly dampen slab surface, but do or for its support prior to placing concrete. not leave standing water. B. Position all embedded items accurately and 3.05 CONCRETE CONVEYING supported against displacement. A. Deliver concrete from the mixer to the place C. Temporarily fill voids in sleeves, inserts, of final deposit as rapidly as practical by and anchor slots with readily removable methods, which will prevent segregation or loss of ingredients. Cast -In -Place Concrete COTTG 114409 033000-5 3.06 CONCRETE DEPOSITING 2. Mix and scrub bonding slung into dampened concrete to a thickness of A. Deposit concrete continuously or in layers of 1/16 to 1/8 inch, without puddling. Place such thickness that no concrete will be while slung is still tacky. deposited on concrete which has hardened 3. Place topping mix after rewettable sufficiently to cause the formation of seams bonding compound has dried or while or planes of weakness within the section. nonrewettable bonding compound or epoxy adhesive is still tacky. B. Place concrete at such a rate that the concrete which is being integrated with fresh B. Placement: concrete is still plastic. 1. Spread topping mixture evenly over prepared base to the required elevation C. Do not deposit concrete which has partially and strike off. hardened or has been contaminated by 2. Do not permit cold joints or seams to hardened materials. develop within pour strip. 3. Bull float or darby to level surface. D. Remove rejected concrete from the Site. 4. Uniformly slope surface to drains. 5. After topping has stiffened sufficiently E. Deposit concrete as nearly as practicable in to permit and water sheen has its final position to avoid segregation due to disappeared, float surface at least twice handling or flowing. to a unifonn sandy texture. 6. For reinforced toppings, provide F. Free fall of concrete shall not exceed 4 feet. necessary chairs or supports and Use chutes equipped with hopper heads for maintain position of reinforcing mesh as placing where a drop of more than 4 feet is shown on Drawings. required. C. Joints: 3.07 PLACING CONCRETE SLABS 1. Contraction: a. Construct contraction joints to A. Deposit and consolidate concrete slabs in a match and coincide with joints in continuous operation. base slab. b. Install semirigid joint filler full B. Consolidate concrete placed in slabs by depth of contraction joints. vibrating bridge screeds, roller pipe screeds, 2. Construction: Coat face with epoxy or other methods acceptable to the Engineer. adhesive. 1. Bring slab surfaces to the correct level 3. Isolation: Place approximately 3/4 inch with a straight edge and then strike off. lower than floor slab to allow 2. Use bullfloats or darbies to smooth the installation of joint sealant. surface, leaving it free from bumps and 4. Remove dirt, debris, saw cuttings, hollows. curing compounds, and sealers from joints. Leave contact faces of joint clean C. Do not leave screed stakes in concrete. and dry. D. Do not sprinkle water on the plastic surface. Do not disturb the slab surfaces prior to start of finishing operations. 3.08 PLACING CONCRETE FLOOR SLAB TOPPING A. Existing Concrete Base: 1. Apply required bond- breaker, bonding compound (rewettable or nonrewettable), or epoxy adhesive. 3.09 COLD WEATHER PLACING A. Do not place concrete when the air temperature is less than 40 degrees F. without the specific approval of Engineer. B. Cold Weather Concrete Work: ACI 306. 1, except as modified by the requirements of these Contract Documents. Cast -In -Place Concrete 033000-6 COTTG 114409 C. Do not place concrete against any frozen substrate, including subgrade soils and surfaces of formwork. D. Do not place concrete around any embedment, including reinforcing steel that is at a temperature below freezing. E. The temperature of the concrete delivered at the site shall conform to the following limitations: Air Temperature Above 30° F 0 to 30° F Below 0° F Minimum Concrete Temperature < 12 Inches 12 - 36 Inches Thick Thick 60° F 55° F 65° F 60° F 70° F 65° F F. If water or aggregate is heated above 100 degrees F., combine water with the aggregate in the mixer before cement is added. Do not mix cement with water or with mixtures of water and aggregate having a temperature greater than 100 degrees F. G. When the mean daily temperature is less than 40 degrees F., maintain the temperature of the concrete between 50 and 70 degrees F. for the required curing period. H. Arrangements for Heating, Covering, Insulation, Or housing the Concrete Work: 1. Made in advance of placement. 2. Adequate to maintain the required temperature without injury due to concentration of cold or heat. 3. Keep protection in place for a minimum of 3 days. L Do not use combustion heaters during the first 24 hours, unless precautions are taken to prevent exposure of the concrete to exhaust gases. Once the cold weather concrete protection is removed, continue concrete curing for the remainder of the 10 day curing period. 3.10 HOT WEATHER PLACING A. Comply with ACI 305 when hot weather conditions exist. B. Maintain concrete temperature at time of placement below 90 degrees F. C. When the temperature of the steel is greater than 120 degrees F., spray steel forms and reinforcement with water prior to placing concrete. D. Keep all surfaces protected from rapid drying. Provide windbreaks, shading, fog spraying, sprinkling, ponding, or wet covering in advance of placement. 3.11 CONSOLIDATION A. Consolidate all concrete in accordance with provisions of ACI 309. B. Consolidate each layer of concrete immediately after placing by use of internal concrete vibrators. Maintain a frequency of not less than 8,000 vibrations per minute for each internal vibrator. C. Provide adequate number of units and power source at all times. Use a minimum of 2 vibrators for all work and maintain spare units to ensure adequacy. D. Insert the vibrator so as to penetrate the lift immediately below the 1 being placed. Do not insert the vibrator into lower courses which have begun to set. E. Limit spacing between insertions of the vibrator to 12 -18 inches and do not exceed twice the radius of action as shown in ACI 309 or 18 inches. F. Do not use vibrators to transport concrete inside the forms. G. Vibration shall be adequate and properly carried out to minimize entrapped air and surface voids on formed surfaces. 3.12 CONCRETE SLAB FINISHING A. Float Finish: 1. Apply float finish to all slab surfaces. 2. After placing and screeding concrete slabs, do not work the surface until ready for floating. Begin floating when the surface water has disappeared and when the concrete has stiffened Cast -In -Place Concrete COTTG 114409 033000-7 sufficiently to permit operation of a power- driven float. 3. Consolidate the surface with power - driven float or by handfloating if the area is small or inaccessible to power units. 4. Check and level the surface plane to a tolerance not exceeding 1/4 inch in 10 feet when tested with a 10 foot straight- edge placed on the surface at not less than 2 different angles. 5. Immediately after leveling, refloat the surfaces to a smooth, uniform, granular texture. B. Trowel Finish: 1. Apply steel trowel finish to all interior floor slabs, topping, and stair treads and all tank slabs which do not receive a concrete topping. 2. Apply float finish to slabs as described above in Part 3.11.A. 3. After floating, begin the first trowel finish operation using a power -driven trowel. Begin final troweling when the surface produces a ringing sound as the trowel is moved over the surface. 4. Consolidate the concrete surface by the final hand troweling operation, free from trowel marks, uniform in texture and appearance, and with a surface plane tolerance not exceeding 1/8 inch in 10 feet when tested with a 10 foot straight -edge. C. Broom Finish: 1. Apply non -slip broom finish to all exterior sidewalks and aprons. 2. Apply float finish to slabs as described above in Part 3.1 I.A. 3. Immediately after floating, slightly roughen the concrete surface by brooming in the direction perpendicular to the main traffic route. Use a fiber - bristle broom. 3.13 FINISHING CONCRETE FLOOR SLAB TOPPING A. Consolidate surface with power - driven floats as soon as floor topping can support equipment and operator. Repeat float passes and restraightening until surface has a uniform, smooth, granular texture. Cast -In -Place Concrete 033000 -8 B. Hard Trowel Finish: Aftc. floating, begin first trowel finish operation using power driven trowels. Final troweling operation is to produce finished surface free of trowel marks, uniform in texture and appearance. 3.14 FINISHING FORMED SURFACES A. Provide a smooth formed surface to all formed surfaces not exposed to view, unless otherwise noted in Paragraph B. Smooth formed finish shall consist of the following: 1. Construct formwork in accordance with Section 03 1100. 2. Patch all tie holes and defects larger than 1/8 -inch in diameter and /or 1/8 -inch deep. 3. Remove all fins, seams and concrete "buttons" protruding more than 1/16 -inch. B. Provide a special form finish to all new formed surfaces exposed to view and existing formed surfaces that become exposed to view due to the new construction.: 1. Prepare 3 test samples of various textures for approval by Engineer. Each sample shall be approximately 6 feet by 6 feet in size and located on an unexposed wall surface as directed by Engineer. 2. Perfonn all Concrete Crack Repairs in accordance with Article 3.16.13. 3. Remove all form release agents, curing compounds, hardeners, salts, efflorescence, laitance, loose material, unsound concrete, and other foreign materials by sandblasting, shot blasting, mechanical scarification, or other suitable methods. 4. Surface Preparation shall: a. Expose, but not undercut or loosen, aggregate. b. Expose all bugholes, cracks and subsurface voids. c. Provide a clean, sound substrate with sufficient surface profile. 5. Filling of deep voids, bugholes, etc., exceeding 1/8 -inch depth: a. Dampen surface with clean water to obtain saturated surface -dry (SSD) with no standing water. COTTG 114409 b. Brush -apply a small quantity of a. First coat: Apply at 2 pounds per sq. mixed patching material as a scrub yd. and allow to cure a minimum 24 coat to prepare substrate. hours. Thoroughly key -in and work b. Second coat: Apply at 2 pounds per material throughout cavity to sq. yd., allow to set and then float to promote bond. a uniform finish. 1) If scrub coat dries out before 10. Perform damp curing to applied product. wet mortar can be placed, for the following conditions: remove scrub coat similar to 3.15 CURING laitance removal. c. Place repair mortar onto wet scrub A. Protect freshly placed concrete floor topping coat using brush with firm trowel from premature drying and excessive cold or pressure. hot temperatures. 1) Completely fill voids. percent. 2) Key in and compact thoroughly B. Apply evaporation retarder to concrete floor to secure bond. topping in hot, diy, or windy conditions 3) Apply patching material in lifts before and during finishing operations. of 1/4 -inch (8mm) to 2- inches (51mm) and trowel to desired C. Immediately after placement, damp cure all finish promptly after placing concrete for a minimum of 7 days. material. during the curing period. 7. am d. For successive lifts, thoroughly D. Cover all slabs and topping with approved score each lift and allow reaching burlap - polyethylene film and keep in place initial set before next layer is throughout the curing period. applied. e. Perform wet curing of patched areas E. Cover walls, beams, columns and other for the following conditions: formed surfaces with burlap - polyethylene 1) If temperature exceed 85 film or spray with an approved curing degrees F (29 degrees Q. compound. 2) If relative humidity is below 30 percent. F. Anchor all burlap - polyethylene film at the 3) If wind speed exceeds 15 mph edges to prevent moisture loss. 4) If patches are exposed to direct sunlight for 72 hours after G. Rewet all slab surfaces at least once a day placement. during the curing period. f. Special curing compounds are allowed with approval of Owner and 3.16 PATCHING, REPAIRS, AND Engineer. Do not use solvent -based RESTORATION curing compound. Dampen surface with clean water just A. Repair honeycomb and other defective prior to application of finishing areas, fill surface voids, and fill form tie compound. holes and similar defects in accordance with Mix 1 part bonding agent to 3 parts ACI 301. clean water for mixing liquid. Mix concrete finishing compound with B. Inject concrete cracks as observed during mixing liquid as specified by the construction and leak testing operations with manufacturer. epoxy to manufacturer's recommendations. Apply 2 coats using a stiff fiber brush or Confirm procedures with Owner and textured spray equipment. Spray Engineer prior to installation. application of the first coat requires C. Reinforce or replace deficient work as back brushing to properly fill voids, directed by Engineer and at no additional bugholes and nonmoving cracks. cost to Owner. Cast -In -Place Concrete COTTG 114409 033000-9 D. Failure of concrete floor topping to bond to 1. Type of flatness anct Levelness for substrate or disintegration or other failure of required floor finish, unless otherwise topping to perform as a floor finish, will be noted on Structural Drawings: considered failure of materials and a. Trowel /flat floor finish of vinyl tile, workmanship. Repair or replace toppings in carpet, coatings: areas of such failures as directed by the 1) Floor flatness (Ff) of 20. Engineer. 2) Floor levelness (Fl) of 17. b. Scratch floor finish of full -set E. The Contractor shall repair defects in ceramic tile, concrete toppings: existing concrete elements affected by the 1) Floor flatness (Ff) of 15. new construction in accordance with Section 2) Floor levelness (Fl) of 13. 0173 20 Cutting and Patching and as c. Trowel /flat floor finish of exposed directed by the Engineer. concrete with no special flatness /levelness requirements: 3.17 CLEAN UP AND DISPOSAL 1) Floor flatness (Ff) of 20. 2) Floor levelness (Fl) of 17. A. Upon completion of the walls and prior to any painting, thoroughly clean all exposed or painted concrete surfaces of all concrete spatters, form oil, or other foreign material detrimental to appearance or painting. B. Remove all excess concrete debris remaining after completion of placement and form removal from the Site and dispose of in a proper and legal manner. 3.18 ANCHORING DOWELS A. Drill hole in concrete to the size and depth recommended by the adhesive supplier and as approved by Engineer. B. Clean hole with a nylon brush and use compressed air to blow out hole. C. Fill hole with anchoring adhesive in accordance with manufacturer's recommendations. 3.19 TREATMENT A. Apply hardener in accordance wit the manufacturer's recommendations to all interior floors. 3.20 TOLERANCES FOR CONCRETE FLOOR SLAB TOPPING A. As defined m ASTM E1155, "Standard Test Method for Detennining Floor Flatness and Levelness Using the F- Number System." Cast -In -Place Concrete 033000-10 COTTG 114409 Table 2 -1 END OF SECTION 1 Or with Engineers prior approval. Cast -In -Place Concrete COTTG 114409 033000-11 Maximum Entrained Air Maximum Pozzolan Content Slump (inches) f c @ 28 Water /Cement Content Aggregate (Refer to before and after days +Pozzolan (percent of ACI 350, superplasticizer Ratio cement content)' Moderate Exp.) A. Concrete for walls, footings, slabs, base ACI 350 - Section ACI 350 - Table 2 + 1 before slabs, pads and all other 4,000 psi 0.45 Table 4.2.3 2.013 4.2.1 6:h 1 after concrete. END OF SECTION 1 Or with Engineers prior approval. Cast -In -Place Concrete COTTG 114409 033000-11 This Page Left Blank Intentionally SECTION 05 15 19 WIRE ROPE ASSEMBLIES - STAINLESS STEEL PARTI GENERAL 1.01 SUMMARY A. Section Includes: 1. Stainless Steel Wire Rope Assemblies 2. Stainless Steel Fittings, End Terminals, Hardware and Accessories. B. Related Sections: 1. Section 33 16 40 —Repair and Modifications to Steel Water Storage Tanks 1.02 REFERENCES A. General: Standards listed by reference, including revisions by issuing authority, form a part of this specification section to extent indicated. Standards listed are identified by issuing authority, authority abbreviation, designation number, title or other designation established by issuing authority. Standards subsequently referenced herein are referred to by issuing authority abbreviation and standard designation. B. American Society for Testing & Materials (ASTM International): 1. ASTM A380 - Practice for Cleaning and Descaling Stainless Steel Parts, Equipment and Systems. 2. ASTM A492 - Specification for Stainless Steel Rope Wire. 3. ASTM A554 — Welded Stainless Steel Mechanical Tubing. 4. ASTM A554 — Specification for Welded Stainless Steel Mechanical Tubing 5. ASTM A555 - Stainless Steel Wire. 6. ASTM E985 — Standard Specification for Permanent Metal Railing Systems and Stairs for Buildings 7. ASTM F 1145 - Specification for Tumbuckles, Swaged, Welded, Forged. C. Military Specification (MIL) 1. MIL -C -5688 - Pre - Stretching and Proof - Testing of Wire Rope Assemblies. COTTG 114409 2. MIL -W -83420 - Wire Rope, Flexible for Aircraft Control. 3. MIL -W -87161 — Wire Stranded, Non Flexible for Aircraft Control. Oil Free Condition. 1.03 SYSTEM DESCRIPTION A. Performance Requirements: Provide Stainless Wire Rope Assembly System and mounting hardware which have been manufactured and installed to meet or exceed manufacturer's and project performance criteria. 1.04 SUBMITTALS A. Submit listed submittals in accordance with Conditions of the Contract and Section 0133 00 - Submittal Procedures. B. Product Data: Submit Manufacturer's product data sheet for specified products. C. Shop Drawings: Show layout, sizes, dimensions, details, and installation of railing frame components. Include Details of rope attachment, tensioning methods, hardware, and tensioning and mounting methodology. D. Samples: Submit samples of rope and /or hardware, as required by specifier. E. Quality Assurance /Control Submittals: 1. Test reports: Submit any test report demonstrating compliance with intended use and code requirements. 2. Certificates: Submit manufacturer's certificate that product meets or exceeds specified requirements F. Closeout Submittals: Submit the Following: 1. Warranty: Submit manufacturer's standard warranty documents 2. Maintenance Data: Include manufacturer's standard cleaning and maintenance instructions to avoid Wire Rope Assemblies - Stainless Steel 051519 -1 Wire Rope Assemblies - Stainless Steel 051519-2 COTTG 114409 detrimental actions to finishes and PART 2 PRODUCTS performance. 2.01 STAINLESS STEEL WIRE ROPE 1.05 QUALITY ASSURANCE ASSEMBLIES A. Qualifications: A. Acceptable Manufacturers: 1. Installer Qualifications: Installer should 1. Carl Stahl- DecorCable Innovations LLC be experienced in performing work of www " d e crlc.�t: cc*ln this section and should have specialized 2. U.S. Rigging Supply www.usrigging.coni in installation of work similar to that 3. Web Rigging Supply required for this project.'�''_:3 =?.� g?.�4:�lpl�I<'__!�! 4. Loos & Co, Inc. , �N­,v\v.loosco.con? B. Pre- Installation Meetings: Conduct with 5. Manufacturer of comparable products [Contractor, Engineer, Fabricator, Installer submittal to the Engineer for approval. and any other subcontractors] whose work involves cable to verify project B. Stainless Steel Wire Rope Assemblies: requirements, framing and support 1. Material: conditions, mounting surfaces, a. Cable: ASTM A492 Type 316 manufacturer's installation instructions, and stainless steel 7x7 or 7x19 wire warranty requirements. Comply with rope, or 1x19 strand. Division 1 requirements. b. Fittings, Hardware and Accessories: AISI 316 stainless steel 1.06 DELIVERY, STORAGE & HANDLING 2. Rope Diameter, Min. Breaking Load: a. General Use 7x7 rope construction: A. General: Comply with Division 1 Product 1) 3/16 ", 3135 lbs. Requirements Sections Ordering: Comply b. General Use, High Flexibility 7x19 with manufacturer's ordering instructions rope construction: and lead time requirements to avoid 1) 3/16 ", 2912 lbs. construction delays. c. General Use, Higher Stiffness and Strength 1 x 19 stranded B. Delivery: Deliver in manufacturer's original, construction: unopened, undamaged containers, 1) 3/16 ", 4614 lbs. identification labels intact. 3. Swaged and Field Installed End Fittings and Terminals; In -line Tension Devices; C. Storage and Protection: Store materials and Clamps /Hardware /Accessories: protected from exposure to harmful weather a. Stainless Steel (316) Hitching Ring conditions and at temperature and humidity and Anchor Plates. conditions recommended by manufacturer. b. Stainless Steel (316) Snap Hooks. Store cartons and panels in a secure location c. Stainless Steel (316) Turnbuckles. in a dry place at the project site. d. Stainless Steel (316) Accessories for Cable Loops. 1.07 WARRANTY 4. Length: a. Provide optimum adjustment in both A. Manufacturer's Warranty: Submit, for directions by calculating final Owner's acceptance, manufacturer's tendon lengths with allowance for standard warranty document executed by tensioning fittings with 2/3 open and authorized company official. with 1/3 of thread length engaged. b. Measure tendon length from center of pin to center of pin, or center of eye to center of eye. Wire Rope Assemblies - Stainless Steel 051519-2 COTTG 114409 2.02 FITTINGS oz ACCESSORIES A. Accessories: Provide grommet, bushings, nuts, washers, turnbuckles, fittings and other components as required for system installation. 2.03 FABRICATION A. Stainless Steel Cables and Fittings shall be dimensioned and fabricated to specified size and labeled according to shop drawings and installer's specifications. B. Preassemble items in shop to greatest extent practicable to minimize assembly at project site. Disassemble units only to extent necessary for shipping and handling limitations. Marls units for reassembly. 2.04 FINISHES A. Clean and /or descale cables and fittings in accordance with ASTM A380. B. Passivate in accord with ASTM 13912, to provide the following finish: Exterior and Interior: 330 grain satin finish (equiv. to #4 satin finish) PART 3 EXECUTION 3.01 MANUFACTURER'S INSTRUCTIONS A. Compliance: Comply with manufacturer's product data, including product technical bulletins, product catalog installation instructions and product carton instructions for installation. 3.02 EXAMINATION A. Site Verification of Conditions: Verify condition existing support system which has been previously installed under other sections, to ensure it is acceptable for product installation in accordance with manufacturer's instructions. Do not begin installation until backup surfaces are in satisfactory condition. 3.03 PREPARATION A. Supply items required to be welded to the steel tank walls with setting templates, to appropriate sections. B. Take field measurements after permanent end terminations are in place and prior to preparation of shop drawings and fabrication, to ensure fitting of work. 3.04 INSTALLATION A. Install rope assemblies in accordance with manufacturer's instructions and the approved shop drawings. B. Provide anchorage devices and fittings to secure to in -place construction; including threaded fittings for concrete inserts, toggle bolts and through- bolts. C. Anchor rope assemblies to mounting surfaces as indicated on the drawings. D. Separate dissimilar materials with bushings, grommets or washers to prevent electrolytic corrosion. E. Use manufacturer's supplied mounting hardware. F. Terminate and tension cable system in accordance with manufacturer's instructions. G. Ensure ropes are clean and without kinks or sags. H. After final adjustment provide tamper resistant locktight materials on all fittings. 3.05 CLEANING A. Remove temporary coverings and protection of adjacent work areas. B. Clean installed products in accordance with manufacturer's instructions before owner's acceptance. Do not use chlorine -based or abrasive cleaners. C. Remove from project site and legally dispose of construction debris associated with this work. Wire Rope Assemblies - Stainless Steel COTTG 114409 051519-3 3.06 PROTECTION A. Protection: Protect installed product from damage during subsequent construction activities. END OF SECTION Wire Rope Assemblies - Stainless Steel 051519-4 COTTG 114409 SECTION 07 72 33 FLOOR HATCHES PART1 GENERAL 1.01 SUMMARY A. Provide exterior valve vault floor hatch and accessories. Additional hatches included on Alternate A includes hatches for Cl-, Vault, Meter Vault and additional Valve Vault for second tank as shown on Drawing CE 1. B. Related Sections: 1. Section 03 30 00 - Cast -in -Place Concrete 2. Section 07 92 00 - Joint Sealants D. Samples: 1. Initial Color Selection: Submit manufacturer's standard color samples for each type of finish with Product Data and Shop Drawings. 2. Color Verification: Prior to shipping, submit each type of finish indicated; in sets for each color, texture, and pattern specified, showing a full range of variations expected in these characteristics. Include notification to Engineer if selection is not within quoted price range. 1.02 REFERENCES A. ASTM A36 - Structural Steel 1.03 SYSTEM DESCRIPTION A. Performance Requirements: 1. Operation shall be smooth and easy with controlled operation throughout the entire arc of opening and closing. 2. Operation shall not be affected by temperature. 3. Entire hatch shall be weathertight with fully welded corner joints on cover and curb. 4. Valve Vault Floor Hatch: Door leaf shall support load of 300 pounds per square foot. 1.04 SUBMITTALS A. Reference: Refer to Section 01 33 00. B. Product Data: Manufacturer's current Product Data including specifications, handling, storage and installation instructions, and maintenance and cleaning recommendations. C. Shop Drawings: Show system fabrication, installation drawings, including plans, dimensions, profiles, details of components, locations and configurations within system and between system and adjoining system. E. Maintenance Manual: Provide maintenance and warranty data in "Maintenance Manual" at Maintenance Demonstration at Substantial Completion. 1.05 QUALITY ASSURANCE A. Single Source Responsibility: Provide roof specialty and accessory units made of components of standard construction furnished by 1 manufacturer as coordinated assemblies. B. Qualifications: 1. Manufacturer: 5 years experience in the manufacture of floor hatches and accessories, with 6 projects of similar size, scope and type of which 3 have been in successful use for 3 years or longer. 2. Contractor: 3 years experience in the installation of floor hatches and accessories. 3. Personnel: For actual installation of floor hatches and accessories, use personnel skilled in work required, completely familiar with manufacturer's recommended methods of installation, thoroughly familiar with requirements of work. C. Field Samples: If requested, furnish sample of each type of floor hatches to Engineer for review at the job site prior to Floor Hatches COTTG 114409 077233-1 manufacture / installation. Install approved sample. D. Preinstallation Meetings: Installer and manufacturer's technical representative shall meet with Engineer prior to the start of installation. 1.06 DELIVERY, STORAGE, HANDLING A. Comply with manufacturer's recommendations for job -site storage and protection. 1.07 PROJECT CONDITIONS A. Existing Conditions: Drawings do not purport to show actual field dimensions, but are intended only to establish location and scope of Work. Field - verify dimensions and assume full responsibility for their accuracy. 1.08 WARRANTY A. Valve Vault Floor Hatches: Lifetime warranty against defects in material or workmanship, including installation. b. Door leaf. Shall oe Single leaf, 1/4 inch (minimum) aluminum diamond plate. c. Hinges and fastening hardware: 316 stainless steel, tamperproof. d. Hold Open: Provide stainless steel spring assists and 316 automatic hold open arm with aluminum latch. e. Provide padlock hasp. 3. Size: As indicated on Drawings, or if not indicated 36 inches by 36 inches. 4. Finish: a. Aluminum: Mill finish with bituminous coating applied to exterior or frame by manufacturer. b. Hardware: Zinc plated and chromate sealed. B. Accessories: Other materials not specifically described but required for complete, proper installation of roof specialties and accessories, subject to acceptance of Engineer. PART EXECUTION 3.01 EXAMINATION PART 2 PRODUCTS A. Work of Other Trades: 1. Prior to commencing work, carefully 2.01 MANUFACTURER inspect and verify that work is complete to point where this installation may A. Valve Vault Floor Hatch: properly commence. 1. Standard of Quality: Design is based on 2. Mounting surfaces shall be straight and products of Halliday Products, Inc., secure, substrates of proper width. Orlando, FL wwTww.hallidayprodu.cts.com. 2. Subject to compliance with requirements, B. Verification of Conditions: Verify that floor other acceptable manufacturers are: hatches and accessories may be installed in a. Manufacturer of comparable accordance with original design, pertinent products submitted in compliance codes and regulations, and pertinent portions with Section 0125 13. of referenced standards. 2.02 FABRICATION A. Valve Vault Floor Hatch: 1. Series: WS Construction: a. Frame: 1/4 inch extruded aluminum channel style frame with continuous anchor flange, built -in neoprene cushion gasket, and 1 1/2" drainage coupling. C. Discrepancies: 1. Immediately notify Engineer in writing. 2. Do not proceed with installation in areas of discrepancy until fully resolved. 3. Commencement of installation signifies acceptance of surface conditions. 3.02 PREPARATION A. Protection: Protect installed work and materials of other trades. Floor Hatches 077233-2 COTTG 114409 3.03 INSTALLATION A. Install in accordance with manufacturer's recommendations and as shown on Drawings. 3.08 PROTECTION A. Provide final protection and maintain conditions, in a manner acceptable to manufacturer to ensure work is without damage or deterioration at time of Substantial Completion. B. Provide mechanical fasteners consistent with roof requirements. 3.04 REPAIR/RESTORATION END OF SECTION A. Touch up marred finishes, but replace units that cannot be restored to factory- finished appearance. Use materials, procedures recommended or furnished by manufacturer. 3.05 ADJUSTING A. Adjust units to operate in proper manner and easily without binding. B. Replace damaged materials with new materials complying with specified requirements. 3.06 CLEANING A. Site: 1. Do not allow accumulation of scraps, debris arising from work of this section. 2. Maintain premises in neat, orderly condition. B. System: 1. Clean exposed surfaces of hatches and accessories using materials and methods recommended by manufacturer. 2. When Work is completed, remove unused materials, containers, equipment, and debris. 3.07 DEMONSTRATION A. Maintenance Instructions: Manufacturer's representative to schedule and attend meeting with Owner's representatives to explain: 1. Maintenance and Care Instructions. 2. Recommended Maintenance Program. 3. Warranty Requirements. Floor Hatches COTTG 114409 077233-3 This Page Left Blank Intentionally SECTION 33 16 45 CATHODIC PROTECTION FOR WATER STORAGE TANKS PART 1 GENERAL h. Selection, dimensions, and layout of system components specified in 1.01 SUMMARY Section C. A. Section includes installation of an automatically controlled impressed current cathodic protection system for corrosion control for the interior submerged surface of a new steel water storage tank. B. Performance Requirements: System provider shall furnish self - addressed report cards to be completed by Owner. Report cards received by system provider during the guarantee and service period(s) shall be evaluated for system performance. 1.02 REFERENCES A. AWWA D104 1.03 SYSTEM DESCRIPTION 1.04 SUBMITTALS A. Shop Drawings showing system design/ configuration. A. Design Requirements: 1. The criteria for protection shall be based on: a. A tank -to -water potential. b. IR drop free. c. Range of -0.850 volts to -1.050 volts relative to a stationary copper - copper sulfate reference electrode. This potential shall be measured free of the effect of voltage gradients (IR drops). Base system capacity and performance on: a. Total submerged surface area of the tank. Total surface area includes HWL in bowl and wet risers in elevated tanks, which are 30 -inch diameter or larger. b. Type of coating and condition of coating. c. Total bare surface area to be protected will be a minimum of 25 percent of total surface area. d. Minimum current density of 0.5 MA/ft . bare surface area. e. Chemical analysis of water including resistivity expressed in ohm -cm. f. Susceptibility to icing. g. Minimum anode design life of 20 years. COTTG 114409 B. Description of system components. C. Copy of ANSI/NSF 6.1 classification for all system components located within the tank. D. Owner's Maintenance Manual. E. As- constructed Drawings. 1.05 QUALITY ASSURANCE A. Qualifications: 1. Cathodic protection constructor shall have a minimum of 5 years experience in installing and servicing the type of system described in this specification. 2. System shall be installed by personnel specifically trained by the constructor to provide all workmanship required for corrosion control performance. 3. All services shall be provided by a Corrosion Specialist who is accredited by the National Association of Corrosion Engineers International as a Senior Corrosion Technologist, Corrosion Specialist, or Cathodic Protection Specialist. 4. Corrosion Specialist shall provide services for: a. Design of system. b. Supervision of installation. c. Supervision of start -up testing. Cathodic Protection for Water Storage Tanks 331645 -1 d. Review .,i reports. voltmeter and a t,aiibrated copper - copper sulfate reference cell. 1.06 WARRANTY d. Adjustments for optimum corrosion control shall be in accordance with A. All workmanship, equipment, and materials criteria for protection. shall be guaranteed for 1 year. e. Data recorded shall provide sufficient information to evaluate 1.07 SYSTEM START -UP the performance of the system relating to criteria for protection. A. After the system is installed and the tank is f In the event additional work is filled, provide start-up service which required, the constructor shall submit includes energizing, testing, and adjusting a report with recommendations for the system for optimum performance of the optimizing corrosion control. cathodic protection system. This start-up service shall be in accordance with ANSI /AWWA D104 -97 Section 5.2 Testing, PART 2 PRODUCTS 5.2.1 Field Test for Type A, IR Drop -Free System. 2.01 COMPONENTS 1. All tank -to -water potential measurements shall be conducted with a A. Manufacturer: Corrpro Companies, Inc. calibrated portable copper - copper Medina, OH www.corrpro.conr sulfate reference electrode and a 1. Rectifier unit shall perform in accordance portable high impedance voltmeter. with ANSFAWWA Standard D104 -97 2. A minimum of 5 locations shall be Section 4: 4.1.1.1. l., Type A, IR drop measured. free system. 3. All test data shall be reviewed and 2. Rectifier shall include: evaluated by the Corrosion Specialist. a. Transformer. b. Selenium or silicon rectifying B. This start -up service shall be coordinated elements with Owner or his representative. c. Circuit breaker(s). d. Lighting, surge, and overload C. Final test and adjustment of the system shall protection. be conducted approximately 12 months after e. Provision for air- cooling operation. start -up service. f. Voltmeter(s) and ammeter(s). g. Weatherproof cabinet in accordance 1.08 MAINTENANCE with NEMA 3R requirements. h. Provision to vary current output A. Provide service agreement for the type of from 0 percent to 100 percent of system installed. rated capacity. 1. Agreement shall include the annual i. Provisions for mounting, grounding, service rate and a complete description and locking. of the scope of work proposed. j. Provision for 110 -120 volt 60 H Z , 2. Agreement for annual inspection and single -phase AC power. potential testing shall be in accordance k. DC output capacity in volts and with AWWA D104 -97 Appendix C and amperes in accordance with Design include as a minimum: (Section B). a. One annual job site visit. 1. Number of circuits or separate b. Tank -to -water potential rectifiers in accordance with Design measurements conducted at (Section B). representative locations within the 3. Automatic controller shall be AWWA tank. A minimum of 5 locations D104 -97, Type A and shall adjust shall be measured. current output to compensate for c. Measurements shall be conducted changes in water level, temperature of with a portable, high impedance water, water chemistry, and cathodic Cathodic Protection for Water Storage Tanks 331645-2 COTTG 114409 polariza«on, and shall include the following provisions: a. Utilize long -life reference electrode(s) mounted in tank. b. Monitor the tank -to -water potential, free of IR drop. c. Automatically adjust the tank -to- water potential, fi•ee of IR drop, to a preset value (Section B). d. Operate within 25MV of preset value. e. Limit current to a preset value. f. Utilize potential meter(s) to display tank -to -water potential, free of IR drop. B. Long -life Reference Electrode(s): 1. The permanent reference electrode shall consist of a copper - copper sulfate electrode which is manufactured to remain stable (plus or minus IOMV) for a minimum of 10 years. 2. The reference electrode to lead wire connection shall be encapsulated to prevent water migration. 3. The stationary reference electrode shall be positioned in the tank water to provide the most representative measurements for the submerged surface area(s). C. Anode Suspension System for Icing Tanks: 1. The anode suspension system shall be designed to be resistant to ice damage and in accordance with ANSI /AWWA Standard D104 -97, Section 4.2.4.1.1 Type A, Horizontal System. 2. The anode suspension system shall consist of a minimum 5/16 -inch polyester cord. a. The cord shall be secured to steel anchors welded to the sidewall of the tank bowl or to the exterior of the dry access column of spheroidal type tanks and the sidewall of wet risers which are 30 -inch in diameter or larger. b. All cord to cord connections shall be tied and taped. COTTG 114409 D. Anode Materials: 1. The anode materials shall be selected in accordance with Design (Section B) and shall consist of one of the following: a. Minimum 0.062 -inch diameter platinized niobium with 25 micro inches of platinum. The wire anode shall be continuous with a maximum of 2 anode to header connections. b. Minimum 0.062 -inch diameter titanium with a precious metal oxide coating. The wire anode shall be continuous with a maximum of 2 anode to header comlections. 2. All anode to header cable connections shall be sealed to prevent water migration. E. Pressure Entrance Fitting: 1. Icing Tanks: a. The pressure entrance fitting shall accommodate anode and reference electrode lead wires at the base of the tank or at the base of wet risers for elevated tanks, which are 30- inch diameter or larger. b. The fitting shall be manufactured to prevent leakage through the fitting and to prevent water migration through the wire insulation. c. The entrance fitting shall be sized for a maximum 1.5 -inch Schedule 80 steel coupling. F. Wiring: 1. All wiring within the tank shall be insulated to prevent copper conductor to water contact. 2. All wiring on the exterior of the tank shall be insulated and run in rigid conduit. G. Hardware: All hardware used in conjunction with the system shall be protected against corrosion. H. ANSLNSF 61: All materials in contact with the water, or exposed to the interior of the tank, shall be classified in accordance with ANSI NSF 61 Drinking Water System Components. Cathodic Protection for Water Storage Tanks 331645 -3 PART 3 EXECUTI(,w 3.01 INSTALLATION A. All work shall be in accordance with the following requirements: 1. Components of the cathodic protection system shall be installed in the manner and at the locations as shown on Drawings. 2. Pressure entrance fitting shall be installed in accordance with AWWA D100 -96, Section 3.13. 3. Welding, cutting, and coating shall be in accordance with AWWA Standards D100, D102, and D105. 4. Materials and equipment shall be inspected prior to installation. 5. Defective components shall be repaired or replaced. a. Electrical work shall be in accordance with the National Electrical Code. b. Lead wires shall be installed to prevent damage from abrasion. c. Electrical connections within the tank shall be sealed to prevent water migration. 6. The rectifier shall be mounted at a convenient height (eye level) above grade for monitoring and service purposes. a. AC power to the rectifier will be provided by Owner. 7. Work provided by the cathodic protection constructor shall be completed in a clean and safe manner. END OF SECTION Cathodic Protection for Water Storage Tanks 331645-4 COTTG 114409 a o N •^ Q I I N N N: w v, 0 0 WATER STORAGE RESERVOIR CROSS- SECTION NOT TO SCALE 3 N O � a / U Z O o a % N s a - N N U � U e < a > a w y N X IIRACTOR SHALL FIELD VERIFY ATIONS AND DIMENSIONS OF ALL URTENANCES. -R TO BE FURNISHED BY OWNER. KEYNOTES Ot x160 STAINLESS STEEL WIRE ROPE O2 STAINLESS STEEL ANCHOR RING AND WELD PLATE — FIELD LOCATE O3 STAINLESS STEEL SNAP HOOK ® CABLE LOOP 5O STAINLESS STEEL TURNBUCKLE 6O 3116 0 STAINLESS STEEL WIRE ROPE ATTACHED TO DE —ICING EQUIPMENT J SEH FILE NO. A— COTTG114409 SHEET TITLE _= INNSDALE TANK 35S V UN � DR CITY PROJECT NO. REHABILITATION sT ND I MY 10 ISSUE DATE STAINLESS STEEL WIRE PNONE 651.120.2000 DESIGNED BY FOR THE CITY OF ROPE ASSEMBLY DRAWING NO. EH FAX: ..800. DRAWN BY 0.2/50 DETAILS WATTS: 800.3152055 www.sehinucwn s not Elliott Hend ckeon. Inc.0 (SM) COTTAGE GROVE, MINNESOTA > > r_r 'A NOTES: �1 o m 0 N N O a a D 3 D N D � K O Z D I _ m G N N U N X SEH FlLE NO. A— COTTG114409 SHEET TITLE CITY PROJECT N O. -- INNSDALE TANK 3575 UL. AIN CFNiER OR _ PHOW N .49D-2 ISSUE DATE REHABILITATION ALUMINUM FLOOR +•+� DESIGNED BY HATCH DETAIL WA TT,, Wr.�r" DRAWN 9Y -- FOR THE CITY OF DRAWING N0. SEH �� Short Dliott Hendrickson, Inc.® (SEH) COTTAGE GROVE, MINNESOTA 12