HISD DAVILA ELEMENTARY SCHOOL ROOF REPLACEMENT ADDENDUM #1 JOB NO A PAGE 1

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2 HISD DAVILA ELEMENTARY SCHOOL ROOF REPLACEMENT ADDENDUM #1 JOB NO A PAGE 1 To the Plans and Specifications for Jaime Davila Elementary School Roof Replacement, this addendum forms a part of the Contract Documents and modifies said documents as follows: PART 1 - GENERAL 1.1 Bids, Both Part A and Part B, Section AB, M/WBE Forms will be received no later than 2:00 PM, May 1, 2013, at the Board Services Office, 4400 West 18th Street, Houston, Texas Bids submitted without M/WBE forms, properly completed, will be considered not responsive. Bernard Willingham, with HSD Supplier Diversity Business Assistance can be reached at or at bwilling@houstonisd.org for questions related to M/WBE requirements. 1.2 Earl Finley, C.P.M, A.P.P., HISD CFS Sr. Sourcing Specialist can be reached at for questions. His is wfinley@houstonisd.org. However, all project related questions will be forwarded to Noe Almaguer with Molina Walker Architects. 1.3 Campus will have Summer School between June 10, 2013, and July 18, 2013, Monday thru Thursday. Contractor is allowed to work during this time, but if there is disruption during construction, then Work will be performed after 2:30 PM, Fridays and weekends. 1.4 Submit the Bid sealed in an envelope, with a label on the exterior providing the proposer s identification, project name, due date and time. 1.5 Bid Bond in the amount of ten percent (10%) of the full bid amount is required. The Bid Bond is to be in a standard size envelope affixed to the outside of the Bid envelope. Performance and Payment Bonds are required. 1.6 Estimated construction cost is $800,000 to $850,000. Testing has been done for asbestos, and there is none. 1.7 The estimated project duration is 90 days. HISD would like to get most, if not all, of this completed by end of summer. 1.8 Project has Liquidated Damages, $250 per day. 1.9 No substitutions for roof specifications are allowed Wage minimum rates are listed in Section BD, Wage Rate Schedule Roof Replacement drawings have been approved for permit and waiting for permit payment. They are at the City, awaiting Contractor pick up and process permit payment. The Contractor will include permit fee of $2, in Bid Testing Dates. Whenever the school has testing dates such as STAAR test, etc., contractor will need to work around these dates as not work is allowed during testing periods Work Identification Badges are required for all General Contractor s employees. See specifications Section II-2. Security is critical on the project as well as keeping Principal John Baker informed of construction operations through Johnston, LLC Unit prices will be included ON Bid Proposal Form for decayed wood and damaged lightweight concrete fill if encountered during removal of existing roof. See attached Specification, Section UNIT PRICES, and CB2 BID FORM. ADDENDUM 1

3 HISD DAVILA ELEMENTARY SCHOOL ROOF REPLACEMENT ADDENDUM #1 JOB NO A PAGE Attached is Sign-In Sheet for Pre-Bid Conference. Attendance to Pre-Bid Conference was mandatory. PART 2 - MANUFACTURER/PRODUCTS APPROVED AS EQUALS NOT USED PART 3 - SPECIFICATIONS 3.1 Section CB2: BID FORM ALTERNATES & UNIT PRICES, REPLACE Form in its entirety with attached CB2 BID FORM. Section on Unit Prices was added. 3.2 Section UNIT PRICES, ADD section in its entirety. PART 4 - DRAWINGS NOT USED PART 5 - CLARIFICATIONS AND RESPONSES TO QUESTIONS 5.1 Question #1: What is the required minimum R-Value for roof system? Response #1: R-22 per Specifications, Section , Part 6.6.A Question #2: What is the thickness of the existing lightweight concrete fill? Response #2: Existing concrete lightweight fill has a minimum 3-inch depth per Record Drawings. See attached core pictures for conditions above lightweight concrete fill. 5.3 Question #3: What FM requirements are to be used to secure roof system to deck? Response #3: FM 1-90 per Specifications, Section , Part 1.4.C.A. 5.4 Question #4: What is the roof board minimum thickness? Response #4: The nominal thickness is 3.1 inches per Specification, Section , Part 2.6.A Question #5: What type of insulation cover board will be used? Response #5: 1/2-inch thick high density polyisocyanurate foam core roof insulation complying with ASTM E108 and UL 790 per Specifications, Section , Part 2.6.B. 5.6 Question #6: Will there be any new roof curbs as indicated in Key Notes in Sheet A3-9? Response: No, no new cubs will be required on project. Contractor is to remove and reinstall existing roof top equipment as required for installation of new roof system. 5.7 Question #7: Can cold-applied adhesive be used to attach roof insulation to substrate or to another insulation layer? Response #7: Only to another layer of insulation and if approved by specified roofing manufacturer, Siplast, Inc. or Soprema, Inc. 5.8 Question #8: Will the Bid Due Date be extended? Response #8: There will be no extension of the due date on this bid project. END OF ADDENDUM ADDENDUM 1

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7 CB2: BID FORM - ALTERNATES & UNIT PRICES Name of Bidder Address Telephone No. (Area Code) TO: The Board of Education Houston Independent School District 4400 West 18 th Street Houston, Texas Proposal The undersigned, hereafter referred to as Contractor, having inspected the construction site and familiarized himself with all conditions likely to be encountered affecting the cost and schedule of Work, and having examined all of the Contract Documents, hereby proposes to furnish all labor, materials, tools, equipment, and services required to perform all of the Work in strict accordance with the Contract Documents as prepared by: Molina Walker Architects, Inc. Architects for the Project identified as: Jaime Davila Elementary School Roof Replacement Project Title 7610 Dahlia, Houston, Texas Location 2. Alternates and Unit Prices The Contractor proposes the following sums as additions to or deductions from the Base Bid amount for alternates as more fully described in the Specifications and Addenda issued under Contract Documents. Failure to quote every item will cause the entire Bid to be considered non-responsive. All Alternates and Unit Prices must be bid Alternates are not listed in the order of preference. HOUSTON INDEPENDENT SCHOOL DISTRICT 6/8/2010 Page 1 CB2_Bid Form Alternates Unit Prices doc

8 CB2: BID FORM - ALTERNATES & UNIT PRICES (None at this time) BID FORM - ALTERNATES & UNIT PRICES No. Alternate Description Add Deduct No Change HOUSTON INDEPENDENT SCHOOL DISTRICT 6/8/2010 Page 2 CB2_Bid Form Alternates Unit Prices doc

9 CB2: BID FORM - ALTERNATES & UNIT PRICES BID FORM - ALTERNATES & UNIT PRICES SCHEDULE OF UNIT PRICES The following prices must be filled in by the bidder. These prices are possible additions to the above base bid amount for those unknown items which may require replacement. The prices supplied shall reflect total installed prices and also the cost of removing and disposing of those items which they are replacing (i.e. rotted perimeter wood nailers). The Bidder further agrees that in case of variation of quantities from those shown or specified, the following unit prices shall be used in adjusting Contract price. No. Unit Prices Description Add ($/Figures) 1 Wood Nailer. Provide board foot cost. Deduct ($/Figures) Unit of Measure BDFT 2 Repair existing lightweight insulating concrete with rigid board insulation (Polyiso). Sq. Ft. HOUSTON INDEPENDENT SCHOOL DISTRICT 6/8/2010 Page 3 CB2_Bid Form Alternates Unit Prices doc

10 CB2: BID FORM - ALTERNATES & UNIT PRICES SUBMITTED BY: (Corporation, Partnership, Individual, etc.) Name of President of Corporation Name of Principal Owner Name of Secretary of Corporation (if applicable) (Corporation, Partnership, Etc.,) is organized under the laws of the State of. Firm: By: Title: Legal Address: Date: Affix Corporation Seal here (if applicable) HOUSTON INDEPENDENT SCHOOL DISTRICT 6/8/2010 Page 4 CB2_Bid Form Alternates Unit Prices doc

11 HISD DAVILA ELEMENTARY SCHOOL ROOF REPLACEMENT UNIT PRICES JOB NO A PAGE 1 SECTION UNIT PRICES PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and other Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section includes administrative and procedural requirements for unit prices. 1.3 DEFINITIONS A. Unit price is an amount incorporated into the Agreement, applicable during the duration of the Work as a price per unit of measurement for materials, equipment, or services, or a portion of the Work, added to or deducted from the Contract Sum by appropriate modification, if the Scope of Work or estimated quantities of Work required by the Contract Documents are increased or decreased. 1.4 PROCEDURES A. Unit prices include all necessary material, plus cost for delivery, installation, insurance, applicable taxes, overhead, and profit. B. Measurement and Payment: See individual Specification Sections for work that requires establishment of unit prices. Methods of measurement and payment for unit prices are specified in those Sections. C. Owner reserves the right to reject Contractor s measurement of work-in-place that involves use of established unit prices and to have this work measured, at Owner s expense, by an independent surveyor acceptable to Contractor. D. List of Unit Prices: Include Unit prices on the Proposal form CB2 BID FORM. PART 2 - PRODUCTS (Not Used) PART 3 - EXECUTION 3.1 SCHEDULE OF UNIT PRICES A. Unit Price No. 1: Wood Nailer 1. Provide board foot unit price for wood nailers to replace existing decayed wood nailers encountered during removal of existing roof. Unit Cost does not include wood nailers scheduled to be replaced in Contract drawings as part of Base Bid. B. Unit Price No. 2: Repair of Existing Lightweight Insulating Concrete (LWIC) 1. Provide unit cost to cut out excessively fractured LWIC under removed roof material, and fill void with rigid roof board insulation (Polyiso) to match LWIC thickness. END OF SECTION UNIT PRICES

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