Architectural Specification Items. Section Instructions to Bidders, Page , Paragraph 1.15, Subparagraph A: Revise to read:

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1 March 29, 2018 ADDENDUM C TO DRAWINGS AND SPECIFICATIONS FOR: Renovation and Addition at Laura Dodge Elementary School Omaha Public Schools RDG Project No. R , File 35.1 RDG Planning & Design 900 Farnam on the Mall, Suite 100 Omaha, NE (402) NOTICE TO BIDDERS This Addendum modifies the original Contract Documents and Project Manual dated March 1, Bidders must acknowledge receipt of the Addendum on the Bid Form. Unless otherwise indicated, the work described herein shall comply with, and be equal in all respect to, the original Contract Specifications and Drawings. Include all incidental work required to properly complete the work whether stated herein or not. ADDENDA TO THE PROJECT MANUAL Architectural Specification Items CGS-1 Section Instructions to Bidders, Page , Paragraph 1.15, Subparagraph A: Revise to read: A. All Bidders (Contractors and Subcontractors) (Prime General Contractors) are required to attend and participate in a Pre-Bid Conference where specific questions and project considerations will be addressed. CGS-2 Section Bid Form Single Prime Contract: Bid Form has been revised to include new Alternate No. 3 (Page ). Entire Bid Form is being reissued. See attached Pages through CGS-3 Section Allowances, Page , 3.3 SCHEDULE OF ALLOWANCES: modify as follows: A. Allowance No. 1 Lump-Sum Allowance: Include the Sum of $15,000 for masonry tuckpointing of existing masonry. CGS-4 Section Alternates, Page , Paragraph 3.1: Add new Subparagraph C as follows: C. Add Alternate Bid No. 3: Provide Door 177B as Storm Defend SD-TH350 per Division 08 Section FEMA-Compliant Window and Door Assemblies, Page , Paragraph 2.2, Subparagraph C. Delete 90-minute fire rating in Door Schedule, on Sheet A Structural Specification Items No items this addendum. Mechanical Specification Items CMS-1 Section HVAC Equipment: Add new section. Section issued to add plate and frame heat exchangers. See attached Pages through R ADDENDUM C - 1

2 Electrical Specification Items No items this addendum. ADDENDA TO THE DRAWINGS Civil Drawing Items No items this addendum. Landscape Drawing Items No items this addendum. Architectural Drawing Items CGD-1 Sheet A10.01 Door Schedule & Door/Frame Types, Door Schedule: A. At Door 177B, change Panel Type to P2, Frame Type to F1, and delete 90-minute fire rating per Base Bid. B. Per Alternate 3, change Panel Type to P4 sim., and Frame Type to F4. C. At Door 170B-1, change Panel Type to P2 and Frame Type to F1. Structural Drawing Items No items this addendum. Mechanical Drawing Items No items this addendum. Electrical Drawing Items No items this addendum. ALL OTHER REQUIREMENTS OF THE PLANS AND SPECIFICATIONS REMAIN IN EFFECT. THIS ADDENDUM SHALL BE ATTACHED AND MADE A PART OF THE PLANS AND SPECIFICATIONS. RDG PLANNING & DESIGN END OF ADDENDUM C DH/jm Enclosure: Section Bid Form Single Prime Contract Section HVAC Equipment By Nick Schulz, AIA, Partner for RDG Schutte Wilscam Birge, Inc. R ADDENDUM C - 2

3 SECTION BID FORM SINGLE PRIME CONTRACT PROPOSAL TO For the following work: located at 3520 MAPLEWOOD BOULEVARD, in Omaha, Nebraska. Proposal of a corporation organized and existing under the laws of the State of or a partnership consisting of or an individual, trading as The undersigned, as Bidder, declares that the only person or parties interested in this Proposal as principals are those named herein that this proposal is made, without collusion with any other person, firm or corporation: that he/she has carefully examined the form of Contract, Instructions to Bidders, Addenda, Specifications and the Drawings therein referred to and that he/she has carefully examined the locations, conditions and classes of material for the proposed Work; and agrees that he/she will provide all necessary machinery, tools, apparatus and other means of construction and will do all Work and furnish all the materials called for in the Contract Documents in the manner therein prescribed. In submitting this bid, the undersigned agrees: 1. That the Owner has the right to reject any and all bids including this bid and to waive any technicalities in any bid. 2. To hold my bid open for a period of sixty (60) calendar days from the date of receipt. 3. The Bidder further agrees to pay as Liquidated Damages the Sum of Five Hundred Dollars ($500.00) per calendar day for failure to complete the Work by the Time of Substantial Completion. 4. To accept the provisions of the instruction to bidders regarding disposition of bid security. 5. To enter into and execute a Contract, if awarded, on the basis of this bid. 6. To accomplish the Work in accordance with Contract Documents. The undersigned further agrees to execute and deliver a Contract, Performance and Payment Bonds in the form set forth in these Bidding Documents within fourteen (14) calendar days from date of notification of acceptance of proposal, and in case the undersigned fails, refuses or neglects to execute and deliver the Contract within the time specified, the undersigned will be considered as having abandoned said proposals and as having defaulted in the offer to do the work and furnish labor and materials as specified in said proposal, and the cashier s check (or bid bond) shall be forfeited to the Omaha Public Schools by reason of such failure and such default and said check and the funds represented hereby shall be the property of the Omaha Public Schools absolutely. Upon the same conditions and contingencies as to the time of default of executing the Contract with Performance Bond and Payment Bond, in the form provided with the Contract Documents, in those cases where a bidder s bond has been indicated as acceptable and such bond having been filed, the Omaha Public Schools shall have the immediate right to call upon the principal and sureties to pay the principal sum of said bond. The undersigned further agrees that the bid security may be retained by the Omaha Public Schools provided the undersigned is one of the three (3) lowest and most advantageous bidders, otherwise to be returned as therein provided. R BID FORM SINGLE PRIME CONTRACT

4 The undersigned certifies that this proposal is made in strict conformity with all of the conditions, contingencies and requirements set forth, stated in every part of the Drawings, Specifications, Advertisement for Bids, Instruction to Bidders, General Conditions, Supplementary Conditions, and all other parts setting for the specification for the performance of heretofore described Work and without collusion or connection with any other person, partnership, company, firm, association or corporation offering bids on this Work. The Bidders further certify that included in the proposal are the stipulated sums set forth in Division 01 Section Allowances. Project Time of Completion: The undersigned agrees: Substantial Completion shall be no later than 12:00 midnight on. Final Completion shall be no later than 12:00 midnight on. Time is of the essence and these dates are absolute deadlines. Base Bid: Total amount for the furnishing of all labor, materials, services, equipment and appliances required in conjunction with and properly incidental to all Work, in conformance with drawings and specifications. TOTAL BID: $ Dollars (In Words) (In Figures) Allowances: Refer to Division 01 Section Allowances (if applicable) for detailed description of work included in each allowance. 1. Allowance No. 1: Repointing of Existing Masonry $15, Allowance No. 2: Construction Contingency Allowance $125, Alternate Bids: Refer to Project Manual Division 01 Section Alternates for detailed description of Work included in each Alternate Bid. In the spaces below, state amounts, both in words and figures, to be deducted from Base Bid, in the event that described Alternate Bids are accepted. Include all variation in profit, overhead, bonds, insurance and similar related items. Time of completion shall not be changed if any or all Alternate Bids are accepted. A No Bid or omission of bid on any alternate may cause the total proposal to be rejected. The Owner reserves the right to accept or reject any Alternate in the order of his/her own choosing. The undersigned agrees to hold Alternate bid prices for sixty (60) calendar days after Notice to Proceed. Alternate No. 1: Replace existing ceiling-mounted basketball backstops with new backstops (two) for a complete new system. See Division 11 Section Gymnasium Equipment. Include demolition of old equipment. ADD: $ Dollars (In Words) (In Figures) Alternate No. 2: Repaint existing lockers. See Division 09 Section High-Performance Coatings (Electrostatic Painting). ADD: $ Dollars (In Words) (In Figures) R BID FORM SINGLE PRIME CONTRACT

5 Alternate No. 3: Modify exterior door at storm shelter. See Division 01 Section Alternates. ADD: $ Dollars (In Words) (In Figures) Additional Work: The undersigned Contractor agrees to furnish all labor, materials and equipment for any additional work (except subcontracted work) ordered by the Owner and for which no pre-agreed price has been fixed for the direct cost of the extra labor and materials plus fifteen percent (15%) for overhead and profit. For additional work to be performed by subcontractors and for which no preagreed price has been fixed, the Contractor agrees to secure a reasonable price from the appropriate subcontractors and to provide the work for the subcontract price plus five percent (5%) for overhead and profit. Bid Bond: The bid security attached without endorsement, having a value of five percent (5%) of the total aggregate amount bid under the base bids price is to become the property of the Omaha Public Schools in the event the Contract and Bonds are not executed within the time set forth above, and liquidated damages for delay and additional work caused thereby. Number of Signed Sets of Documents: The Contract and all Bonds will be prepared in not less than five (5) counterpart (original signed) sets. The Proposal: The Drawings, Specifications, this proposal and such further terms and provisions as may be provided by the Board of Education, shall become a part of the Contract. The undersigned hereby declares that he/she has inspected the location and has carefully examined the Drawings and Specifications and Contract Documents relating to the Work covered by the bid. The undersigned further declares that he/she will provide all necessary tools and equipment, do all Work, and furnish all materials, and do everything required to carry out the above mentioned Work covered by this proposal, in strict accordance with the Contract Documents and the requirements pertaining thereto, for the sum or sums above set forth. Proposal amounts shall be shown in both words and figures. In case of discrepancy, the amount shown in words shall govern. The Bidder acknowledges receipt and incorporation into this bid of the following Addenda: No.: Dated: The undersigned agrees that these submitted requirements constitute contractual obligations contingent only upon award of Contract by the Omaha Public Schools. The undersigned also understands that as a part of the bid procedures for the Project being bid, the undersigned must show a good faith effort to achieve S/DBE goals by soliciting bids and proposals from certified S/DBE subcontractors as evidenced by Forms A and B attached to this bid proposal. R BID FORM SINGLE PRIME CONTRACT

6 Naming Subcontractors: It is required that a Subcontractor be named for each of the categories of work listed below and submitted with the bid proposal. If work will be performed by your own forces, so state. Failure to name the subcontractor for each category of work listed may cause the total proposal to be rejected. After receipt of initial Subcontractor list, substitution(s) of the Subcontractor(s) listed may be made only with written approval of the Owner. MASONRY CARPENTRY ROOFING GLAZING PAINTING MECHANICAL PLUMBING R BID FORM SINGLE PRIME CONTRACT

7 FIRE SUPPRESSION ELECTRICAL COMMUNICATIONS S/DBE Business Opportunities: The undersigned certifies by submitting this Proposal that the undersigned has afforded subcontractors participating in the City of Omaha Emerging Small Business or Small Business program the opportunity to submit bids for finishing labor and/or materials for the project. The undersigned shall attach to this Proposal the completed S/DBE Contact/Solicitation List (Form A) and the Evidence of Good Faith Effort Form (Form B). Failure of Contractor to comply with the requirements of this paragraph, including failure to complete and submit to Omaha Public Schools completed Forms A and B, may result in the rejection of the Proposal. The undersigned agrees that these submitted requirements constitute contractual obligations contingent only upon award of Contract by the Omaha Public Schools. Bidder: By: Title: Address: (Legal Firm Name) (Signature) (Typed Name) Telephone No.: Fax No.: ATTACHMENTS: 1. Bid Bond 2. Form A S/DBE Contact/Solicitation List 3. Form B -- Evidence of Good Faith Effort Form END OF PROPOSAL R BID FORM SINGLE PRIME CONTRACT

8 FORM A General Contractor s S/DBE Contact/Solicitation List General Contractor: Project: Please list all S/DBE contractors participating in the City of Omaha Emerging Small Business or Small Business program that were contacted by the General Contractor about bidding opportunities for the project or that submitted bids to furnish labor and/or materials. Name and Address of S/DBE Contractor Person Contacted Type of Work Bid Submitted (Y/N) Bid Accepted (Y/N) Indicate Tier 1 or Tier 2 Certification Dollars of Subcontract Amount Percentage of Total Contract R BID FORM SINGLE PRIME CONTRACT

9 FORM B Evidence of Good Faith Effort Form Bidder s Firm Name: Street Address: City: State: Zip Code: Telephone: Address: Name, phone number, and of person appointed to coordinate and administer the S/DBE Good Faith Efforts of your company for this bid submission. Name and Title: Telephone: Address: The below form and documentation will be used as evidence of the bidder completing a good faith effort to maximize solicitation and bidding opportunities to S/DBEs. Yes (X) No (X) EVIDENCE OF GOOD FAITH EFFORTS S/DBE LIST: The bidder utilized the City of Omaha Tier 1 and Tier 2 certification directory ("Directory") for soliciting bids from subcontractors and suppliers listed in the Directory. WORK PACKAGES: The bidder analyzed the scope of work and selected specific portions of the work to be performed by S/DBEs in order to increase the likelihood of meeting the S/DBE goals (including breaking down work scopes into smaller units to facilitate S/DBE participation). SOLICIT & FOLLOW-UP: The bidder solicited bid proposals from qualified subcontractors listed in the Directory for subcontracting opportunities via available means, including mailing, ing, web posting and community based advertisement. Bidder followed up with all S/DBEs that express an interest. Including any known S/DBE firms with pending City of Omaha certification. ADVERTISEMENT: The bidder has contacted S/DBE Community Organizations, trade association and publications, i.e. the North Omaha Contractors Association, The Nebraska Latino Contractor s Association, LLC, the United Minority Contractors Association, Contractor Development Services (CDS) and other organizations that outreach and support S/DBEs in the metropolitan area regarding subcontracting opportunities. GOOD FAITH NEGOTIATIONS: The bidder negotiated with or solicited bids in good faith from interested S/DBEs and did not reject any S/DBEs as unqualified without sound business reasons based on a thorough investigation of their capabilities. INFORMATION: The bidder provided interested S/DBEs with adequate information about the plans, specifications and requirements of the subcontract to enable the S/DBE firms to be able to submit bids and proposals to perform work. WRITTEN NOTICE(S): The bidder took the necessary steps to provide written notice in a manner reasonably calculated to inform S/DBEs of subcontracting opportunities and allowed sufficient time for them to participate effectively. COMMUNITY RESOURCES: The bidder used the services of available community organizations, small and/or disadvantaged business assistance offices and other organizations that provided assistance in the recruitment and placement of S/DBE firms. R BID FORM SINGLE PRIME CONTRACT

10 Yes (X) No (X) EVIDENCE OF GOOD FAITH EFFORTS CONTRACT RECORDS: The bidder has maintained the following records for each S/DBE that has bid on the subcontracting opportunity: 1. Name, address, and telephone number; 2. A description of information provided by the bidder or subcontractor; and 3. A statement of whether an agreement was reached, and if not, why not, including any reasons for concluding that the S/DBE was unqualified to perform the job. Provide all below requested additional information in each section. List all S/DBE distribution sources or organizations utilized to solicit S/BDE subcontractors/suppliers. Discuss all opportunities attended or arranged for attendance of contractor personnel S/DBE opportunity workshops, seminars, trade fairs, procurement conferences, etc. Document solicitations completed and indicate what advertisement mediums used for soliciting S/DBEs. Attach all applicable solicitations. R BID FORM SINGLE PRIME CONTRACT

11 Provide the process used by the contractor to analyses the packaging of work to promote as many S/DBE bidding opportunities as possible. Attach bid packages listing. Discuss efforts made to assist interested S/DBEs in obtaining a line of credit, bonding, insurance, necessary equipment or materials needed for S/DBE to submit competitive bids. If S/DBEs bids were submitted and not accepted, please identify why. I hereby affirm that the above information is true and complete to the best of my knowledge. I further understand and agree that if awarded the bid for this Project, this document must be attached thereto and become a binding part of the Contract Documents for the Project being bid. Name and Title of Authorized Official: Name & Title: Date: DOCS/ R BID FORM SINGLE PRIME CONTRACT

12 SECTION HVAC EQUIPMENT PART 1 - GENERAL 1.1 WORK INCLUDED A. Extent of HVAC equipment work required by this section is indicated on drawings and schedules, and/or specified in other specifications. B. Types of HVAC equipment materials and methods specified in this section include the following: 1. Heat Exchangers C. Provide the following electrical work as work of this section, in compliance with electrical specifications. 1.2 QUALITY ASSURANCE 1. All HVAC Equipment: Control and interlock wiring between operating controls, indicating devices and control panels. 2. Unit and Cabinet Heaters, and Fan Coils: Provide motor starting device and electrical disconnect means at each unit. A. Manufacturer's Qualifications: Firms who regularly engaged in manufacture of HVAC equipment, of types, materials and sizes required, whose products have been in satisfactory use in similar service for not less than five (5) years. B. Installer's Qualifications: Firm with at least three (3) years of successful installation experience on projects with HVAC equipment similar to that required for Project. C. Codes and Standards: 1.3 SUBMITTALS 1. ASME Compliance: Construct heat exchangers in accordance with ASME Boiler and Pressure Vessel Code, Section VIII "Pressure Vessels", Division 1. A. Product Data: Submit manufacturer's specifications for HVAC equipment showing dimensions, weights, capacities, ratings, performance characteristics, gages and finishes of materials and installation instructions. B. Shop Drawings: Submit assembly-type shop drawings showing unit dimensions, weight loadings, construction details, required clearances and field connection details. 1. Plate and Frame Heat Exchanger Additional Submittal Requirements: Provide factory specification sheet which is computer-generated to indicate the following for both hot and cold side of heat exchanger. a. Fluid Circulated. b. Total Flow Rate. c. Unit Flow Rate. d. Specific Heat. e. Specific Gravity. f. Thermal Conductivity. g. Viscosity. h. Inlet Temperature. R HVAC EQUIPMENT (172038) 2018 by FEI Issued: Addendum C

13 i. Outlet Temperature. j. Pressure Drop. k. Operating Pressure. C. Wiring Diagrams: Submit manufacturer's electrical requirements for power supply wiring to terminal units. Submit manufacturer's ladder-type wiring diagrams for interlock and control wiring. Clearly differentiate between portions of wiring that are factory-installed and portions to be field-installed. D. Samples: Submit three (3) samples of each type of cabinet finish furnished. E. Maintenance Data: Submit maintenance instructions, including lubrication instructions, "trouble-shooting" maintenance guide filter replacement, motor and drive replacement, and spare parts lists. Include this data, product data, and shop drawings in Maintenance Manuals. 1.4 DELIVERY, STORAGE, AND HANDLING A. Handle HVAC equipment and components carefully to prevent damage, breaking, denting and scoring. Do not install damaged HVAC equipment or components; replace with new. B. Store HVAC equipment and components in clean, dry place. Protect from weather, dirt, fumes, water, construction debris and physical damage. C. Comply with manufacturer's rigging and installation instructions for unloading HVAC equipment and moving them to final location. PART 2 - PRODUCTS 2.1 WATER-TO-WATER-PLATE & FRAME HEAT EXCHANGERS A. General: Provide water-to-water plate and frame type heat exchanger of capacity scheduled and of the construction specified herein. Heat exchangers shall be constructed for 100 PSIG design pressure. B. Materials: 1. Plates: Type 304 or 316 Stainless Steel 2. Frame: Carbon Steel - Epoxy Painted 3. Gaskets: Nitrile rubber, EPDM, Butyl or Viton 4. Piping Connections: Flanged or screwed C. Manufacturers: Subject to compliance with requirements, provide water-to-water plate & frame heat exchangers of one (1) of the following: PART 3 - EXECUTION 3.1 EXAMINATION 1. Bell & Gossett 2. Howe 3. TACO 4. Graham A. Examine areas and conditions under which HVAC equipment is to be installed. Do not proceed with work until unsatisfactory conditions have been corrected in a manner acceptable to Installer. R HVAC EQUIPMENT (172038) 2018 by FEI Issued: Addendum C

14 3.2 INSTALLATION OF HEAT EXCHANGERS A. Water-to-Water Heat Exchangers: 1. Water Piping: Provide piping as indicated, including union, shutoff valve, and thermometer on each inlet and outlet connection; relief valve on tube bundle outlet, with outlet piped to floor drain; and 1/2- inch drain valve on shell drain connection. Provide pressure gage across both high and low side of heat exchangers with 1/2-inch interconnecting piping and valves. 3.3 ADJUSTMENT AND CLEANING A. General: After construction is completed, including painting, clean unit exposed surfaces, vacuum clean terminal coils and inside of cabinets. B. Retouch any marred or scratched surfaces of factory-finished cabinets, using finish materials furnished by manufacturer. C. Install new filter units for fan coils requiring same. 3.4 SPARE PARTS A. General: Furnish to Owner, with receipt, five (5) spare gaskets for each plate and frame heat exchanger. END OF SECTION R HVAC EQUIPMENT (172038) 2018 by FEI Issued: Addendum C