Jaycee Park - Restroom Building

expired opportunity(Expired)
From: Kent County Administration(County)

Basic Details

started - 06 Jul, 2022 (21 months ago)

Start Date

06 Jul, 2022 (21 months ago)
due - 16 Aug, 2022 (19 months ago)

Due Date

16 Aug, 2022 (19 months ago)
Bid Notification

Type

Bid Notification

Identifier

N/A
Kent County Administration

Customer / Agency

Kent County Administration
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1 FISCAL SERVICES DEPARTMENT PURCHASING DIVISION Kent County Administration Building, 300 Monroe Avenue N.W., Grand Rapids, Michigan 49503-2289 Phone: (616) 632-7720 Fax: (616) 632 -7715 Email: purchasing@kentcountymi.gov SOLICITATION Solicitation Type Bid Solicitation Number 4813 Description Jaycee Park Restroom Building Date of Issuance 7/20/2022 Inquiries Deadline Date & Time (local) 8/4/2022, 2 PM Due Date & Time (local) 8/11/2022, 2 PM Pre-Submission Conference Yes: Mandatory On-Site (attendance & sign in required) Conference Date & Time (local) 7/28/2022 10:30 AM Buyer Name ONeill INTRODUCTION The Kent County Purchasing Division on behalf of the City of Kentwood, is soliciting bids for contractors for a CDBG Public Infrastructure project for construction of a restroom building at Jaycee Park, located at 1088 Gentian Dr SE, Kentwood, MI 49508. Work to be completed by March 31, 2023 (with winter construction) or June
30, 2023. BID OPENING The sealed responses will be publicly opened and read aloud by the Kent County Purchasing Division. The health and safety of the community is a top priority; therefore, Kent County Purchasing Division is shifting all public openings to remote conference access only. Click here to join the public opening. SOLICITATION DOCUMENTS This solicitation is distributed by Kent County for the benefit of the named local agency and County registered bidders through distribution of this request. The Kent County Purchasing Division will assist but does not authenticate the solicitation documents or award processes for the solicitation. SCOPE Specifications are attached herein. Submissions must include the itemized Proposal Form. Dimensions, if furnished, are for general reference only and should be verified by Respondents. Kent County will evaluate, award and contract for the goods and services in this solicitation in an efficient and timely manner. The solicitation will be awarded to the responsible bidder whose bid, conforming with all the material terms and conditions of the solicitation, is the lowest price. In no event will notification of award be more than thirty (30) days from the date of vendor submission. 3 ~*~ KENT Wwe https://kentcountymi.zoom.us/j/82169302137 2 The Kent County Standard Submission Terms posted on the Bid Opportunities page of the Kent County Purchasing Division website are incorporated by reference into the solicitation. DELIVERY DATE WARRANTY Respondent, at time of submission, shall in good faith quote a delivery date after full and careful consideration of materials, production schedules, labor availability and other relevant factors. Respondent shall notify Kent County Purchasing in writing within (10) business days of purchase order receipt if the confirmed delivery date is later than the quoted delivery date. The County reserves the right to either accept the confirmed delivery or cancel the purchase order. Respondent acknowledges that any agreement pursuant to this solicitation is in reliance upon Respondents confirmation of delivery. Respondent may incur liquidated damages if delivery is more than (15) business days from the confirmed delivery date. PRE-SUBMISSION ON-SITE CONFERENCE Conference Date 7/28/2022 Conference Time (local) 10:30 AM Location Jaycee Park 1088 Gentian Dr SE, Kentwood, MI 49508 A pre-submission conference is scheduled for this request. Attendees should arrive a minimum of five (5) minutes before the conference scheduled date and time to sign-in. Attendees will not be allowed to sign in after the conference has commenced at mandatory meetings and are disqualified from the process. The conference purpose is to provide equal opportunity to seek clarifications and inspect the location (if applicable). Attendees shall have fully reviewed all solicitation documents and correspondence prior to the conference. Attendees are responsible for taking their own meeting notes and shall be an employee or authorized reseller of the Respondent with requisite knowledge, skill, and abilities to participate. No person exhibiting COVID-19 symptoms shall attend the in-person conference. Respondent must notify the above Kent County contact if a person in attendance at the conference exhibits known COVID- 19 symptoms and/or is confirmed to have COVID-19 in the fourteen (14) days following the conference. EQUAL EMPLOYMENT OPPORTUNITY Attention is called to the requirement for ensuring that employees and applicants for employment are not discriminated against because of their race, color, religion, sex or national origin. (See Exhibit E - Equal Opportunity Clause 11246.) FEDERAL LABOR STANDARDS PROVISIONS Contractor and all sub-contractors must comply with the requirements outlined in the attached Federal Labor Standards Provisions related to employment, wages, and payroll processing. Minimum salaries and wages as set forth in the Wage Determination must be paid on this project. Compliance with the Davis-Bacon Act is required of the contractor and all sub-contractors for this project. (See Exhibit A - Federal Labor Standards and Exhibit C - General Wage Determination) https://www.accesskent.com/RFPWorkbench/LoadPublicTableAction.action 3 PAYROLL REPORTING This contract requires the use of a prevailing wage and labor compliance system for all prevailing wage documentation. Contractor is required to utilize LCPtracker to input all required weekly certified payroll documentation and update this documentation throughout the execution of the contract. Contractor must coordinate all electronic document submittals including documentation supplied by subcontractors, suppliers, fabricators, etc. Access to LCPtracker is provided at no cost to the Contractor. A tutorial for LCPtracker can be found through the website www.lcptracker.com. HOUSING AND URBAN DEVELOPMENT SECTION 3 COMPLIANCE For awards greater than $200,000, all Subrecipients, subgrantees, developers, contractors, and subcontractors involved with the project must satisfy the requirements of Section 3 of the Housing and Urban Development Act of 1968, as amended, 12 U.S.C. 1701u and the regulations at Title 24 C.F.R. Subtitle A part 75 (Exhibit B). To be identified as a qualified bidder, the respondent must include with the bid (1) certification that it is a Section 3 Business Concern, or (2) a Section 3 Plan that identifies how the respondent will facilitate compliance with this federal requirement. Respondents requiring technical assistance in developing a Section 3 Plan should contact Community.Development@KentCountyMI.gov CONTRACTING WITH SMALL MINORITIES AND WOMEN BUSINESSES Bidders are encouraged to establish delivery schedules and divide total requirements, when economically feasible, into smaller tasks or quantities to permit maximum participation by small and minority businesses, and women's business enterprises. Kent County encourages bidders to use small business associations, minority business development groups, and local organizations when soliciting potential subcontractors for this project. FEDERAL SYSTEM FOR AWARD MANAGEMENT (SAM) Each contractor and sub-contractor shall register with the SAM registry (https://www.sam.gov/) and maintain current registrations at all times during this project. A Dun and Bradstreet Data Universal Numbering System (DUNS) Number (https://fedgov.dnb.com/webform/) is one of the requirements in the Federal System for Award Management. INELIGIBLE CONTRACTORS AND SUBCONTRACTORS Any organization which is debarred, suspended, ineligible, or otherwise excluded from participation in Federally assisted programs are excluded from participation in this project. The SAM registry will be used to determine eligibility status of each entity. PROJECT SIGNAGE A project sign is to be installed in a prominent and accessible location at the project work site to inform the public of project activity and to post required notices outlined in the Federal Labor Standards. The project sign is to be maintained in good condition throughout the entire construction period. Format and size requirements are to be provided by the County. (See Exhibit D - Project Sign) REFERENCES Provide three (3) references of current/past customers who are able to verify the quality of products and/or services your company provides. References should not include any current/past Kent County employees. Kent County requests references of similar size and scope of work. http://www.lcptracker.com/ mailto:Community.Development@KentCountyMI.gov 4 FUNDING SOURCE This Project is funded, in whole or in part, by funds received through a federal grant requiring compliance with the Federal Uniform Guidance rules. 2 CFR Part 200. The Respondent shall warrant and certify that, in the performance of the resultant agreement, it has complied with or will comply with all applicable statutes, rules, regulations and orders of the United States, including laws and regulations pertaining to labor, wages, hours and other conditions of employment. The Respondent shall certify that it is registered with SAM.gov and has a valid Unique Entity Identifier (UEI). Contract requirements include, but are not limited to, the following: https://www.accesskent.com/Departments/Purchasing/pdfs/Federal-Funded-Contract- Requirements.pdf BID BOND No Bid Bond is required if a bid is less than $500,000. If the bid is withdrawn after the bid opening, the Respondent may be removed from the Bidder's list (Vendor Registration) pursuant to Kent County Purchasing Central Purchasing and Open Market Procedures for Goods and Services section D.13 Failure to Perform Satisfactory. Each bid over $500,000 must be accompanied by a Bid Bond executed by the Respondent and payable to County of Kent for five percent (5%) of the total amount of the bid. Attorneys-in-fact who sign Bid Bonds or Payment Bonds and Performance Bonds must file a certified effective dated copy of their Power of Attorney. A certified check, bank draft, cashier's check, or negotiable U.S. Government bond (at par value) may be submitted In lieu of a Bid Bond. Personal checks are NOT acceptable. If submitting the bid electronically, attach a copy of the properly executed Bid Bond to the bid. The original Bid Bond may be requested by the Kent County Purchasing Division and is to be received within two (2) business days of request. The Bid Bonds of the unsuccessful Respondents will be returned after the Solicitation is awarded. The Bid Bond of the successful Respondent will be retained until the contract is fully executed by all parties involved. PERFORMANCE AND PAYMENT BOND Each contract over $50,000 must be accompanied by a Performance Bond and a Payment Bond, each payable to the Owner (County of Kent) and each in the amount of 100 percent (100%) of the contract price with a corporate surety approved by the funding agency, for the faithful performance of the contract. REQUESTING AGENCIES This solicitation is issued in collaboration with the named local governmental agencies. The solicitation terms and conditions apply on behalf of the local agencies unless otherwise waived by an authorized agent. For the purposes of this solicitation, the term Kent County or County shall include all named local governmental agencies unless specifically stated otherwise. Each local agency reserves its right to award at its sole discretion without regard to the terms and conditions in this request. Each local agency is independently and solely responsible for the awards each local agency accepts. Awards made by Kent County for Kent County shall state the award is a Kent County award for which Kent County is responsible. https://www.accesskent.com/Departments/Purchasing/pdfs/Federal-Funded-Contract-Requirements.pdf https://www.accesskent.com/Departments/Purchasing/pdfs/Federal-Funded-Contract-Requirements.pdf https://www.accesskent.com/Departments/Purchasing/vendor.htm https://www.accesskent.com/Departments/Purchasing/vendor.htm 5 WARRANTY The Contractor shall guarantee all materials, equipment, and workmanship against defects for a period of 18 Months from the date of final acceptance. Any failure of materials during this period shall be removed and completely replaced and guaranteed for one year at no additional cost to the Owner. INVITATION FOR BID/RFQ SUBMISSION Complete submissions must be received in the Kent County Purchasing Division no later than the due date/time specified by the designated clock (local time). Late, faxed, or emailed responses will NOT be considered. The health and safety of the community is a top priority; therefore, Kent County Purchasing Division is shifting all Solicitations to electronic response only until further notice. Reponses may be submitted electronically by selecting the "Submit Online" icon on the Bid Opportunities page of the Kent County Purchasing Division's website. Respondent must include a complete proposal as one (1) non-password protected PDF document, unless otherwise designated by Kent County. Respondent shall submit the Response Form (Bid Form Submission Form) posted on the Bids Opportunities page of the Kent County Purchasing Divisions website unless otherwise attached to the Solicitation. Click the Submit Online icon to submit electronically or to print the Response Form. Respondent must submit the Bid Bond with Response Form if required. The time required to upload a submission may vary. Respondent assumes all risks associated with electronic submission (including all possible technical issues) and deems the County and its service provider harmless and without fault regardless the reason. Successful electronic submissions are confirmed via Respondent's email. Respondent shall view the link in the confirmation email to determine accuracy prior to due date/time. Responses that deviate from the Solicitation specifications will only be considered if the deviations are clearly detailed and noted within the Response. In case of a dispute regarding the true intent and meaning of the specifications, the Countys interpretation will prevail. When a Solicitation states no alternates, no deviations are permitted. Kent County is not liable for cost incurred prior to award. A submission shall constitute an irrevocable offer for a period of sixty (60) days from the due date/time. In the event the notification of award is not made within sixty (60) days from the due date/time, the Respondent may withdraw or provide a written extension of their submission. Submissions may only be withdrawn by written request if the request is received before the due date/time. Withdrawals subsequent to opening shall be subject to Kent County Fiscal Policy Centralized Purchasing 5(i)(2). NO BID Please provide feedback if you are electing not to participate in this solicitation. https://www.accesskent.com/RFPWorkbench/LoadPublicTableAction.action https://www.accesskent.com/RFPWorkbench/LoadPublicTableAction.action https://www.accesskent.com/Departments/Purchasing/vendor.htm https://www.accesskent.com/Departments/Purchasing/vendor.htm https://kentcounty.sjc1.qualtrics.com/jfe/form/SV_23HnX1uQN1GSr9H BID PROPOSAL AND SPECIFICATIONS FOR JAYCEE PARK RESTROOM IMPROVEMENTS FOR THE City of KENTWOOD July 11, 2022 Prepared By: Landscape Architecture Park & Recreation Planning Architecture Urban Design AVA MCS A Sports Facility Planning SY) GROUP, Inc. Landscape Architects and Architects EAST GRAND RAPIDS + MICHIGAN Table of Contents Page 1 of 2 TABLE OF CONTENTS Item Page Kent County RFP Proposal Form P-1 P-4 TECHNICAL SPECIFICATIONS Site General Site Conditions ............................................................ 02050-1 02050-2 Removal Items .................................................................... 02100-1 02100-2 Earthwork and Grading ............................................................ 02200-1 02200-4 Concrete Work .................................................................... 02514-1 02514-6 Joint Filler and Sealant .............................................................. 02515-1 02515-2 Site Amenities .................................................................... 02760-1 02760-2 Lawn Seeding .................................................................... 02910-1 02910-4 Building Cast -in-Place Concrete ....................................................... 033000-1 - 033000-16 Unit Masonry ...................................................................... 042000-1 - 042000-16 Metal Fabrications ......................................... 055000-1 - 055000-4 Rough Carpentry .............................................................. 061000-1 - 061000-6 Wood Trim Exterior 061250-1 061250-2 Sheathing 061600-1 - 061600-4 Shop-Fabricated Wood Trusses ........................................061700-1 - 061700-4 Architectural Wood Trim Interior ...................................... 064600-1 - 064600-4 Fiber Cement Siding . 074646-1 074646-4 Metal Roofing ..................................................................076100-1 076100-8 Sealants ....................................................................079000-1 - 079000-8 Metal Doors and Frames .....................................................081000-1 081000-8 Sectional Overhear Doors .. 083361-1 083361-4 Door Hardware . 087000-1 087000-10 Gypsum Board .................................................................. 092900-1 - 092900-4 Resinous Flooring .................................................................... 096723-1 096723-4 Decorative Fiberglass Reinforced Panels . 097720-1 097720-5 Exterior Painting ...................................................... ........... 099113-1 099113-6 High Performance Coatings .099600-1 099600-6 Toilet Accessories ...................................................... ... 108000-1 108000-2 Residential Casework ........ 123530-1 123530-5 Stainless-Steel-Clad Countertops... .. 123623-1 123623-4 Mechanical Plumbing/ Mechanical .............................................................. 150100-1 150100-2 Table of Contents Page 2 of 2 Electrical Building Electrical Work 160100-1 160100-5 Electrical Basic Materials and Methods 16050 -1 16050-4 Conduit 16111 -1 16050-8 Wire and Cable 16120 -1 16120-3 Boxes 16138 -1 16138-4 Electrical Identification 16195 -1 16195-3 Secondary Grounding 16450 -1 16450-2 Lighting Fixtures 16510 -1 16510-2 Exterior Luminaries 16520 -1 16520-2 Plumbing/HVAC Escutcheons for Plumbing Piping ............................................. 220518-1 220518-2 General-Duty Valves for Plumbing Piping ............................... 220523-1 220523-8 Hangers and Supports for Plumbing Piping and Equipment .... 220529-1 220529-8 Identification for Plumbing Piping and Equipment .................. 220553-1 220553-4 Plumbing Insulation .................................................................. 220700-1 220700-22 Domestic Water Piping ............................................................. 221116-1 221116-14 Sanitary Waste and Vent Piping ............................................... 221316-1 221316-10 Sanitary Waste Piping Specialties ............................................ 221319-1 221319-8 Electric, Domestic-Water Heaters ............................................ 223300-1 223300-6 Plumbing Fixtures .................................................................... 224000-1 224000-8 Drinking Fountains and Water Coolers .................................... 224700-1 224700-4 Metal Ducts .................................................................... 233113-1 233113-14 HVAC Power Ventilators ......................................................... 233423-1 233423-6 Diffusers, Registers, and Grilles ............................................... 233713-1 233713-2 Appendices Appendix A Soil Boring Locations, Logs and Report of Geotechnical Investigation Bidder Company Name _____________________________________ P-1 PROPOSAL FORM JAYCEE PARK RESTROOM IMPROVEMENTS TO: Carla Kane Purchasing Agent, City of Kentwood 4900 Breton Avenue SE Kentwood, MI 49508 The undersigned bidder has carefully examined the plans and specifications for the construction of Jaycee Park Restroom Improvements in Kentwood, Michigan, as prepared by MCSA Group, Inc. and, having carefully examined the site and completely familiarized themselves with local conditions affecting the cost of the work; hereby states that they will provide all necessary labor, equipment, tools, machinery, apparatus and all other means of construction, do all the work and furnish all materials called for by said plans and specifications in the manner prescribed in accordance with the requirements of the contract, specifications and drawings; and will accept as full and complete payment therefore the Lump Sum Bid Amount Which Is The Summation Of The Cost Of The Items Of Work And Must Be Equal To The Summation Of The Extension Of The Unit Prices in the amount of : ______________________________________________ Dollars and ___________________________________ Cents ($ ) This is not a unit price contract. The following unit prices will be utilized to assess bids, revise contract amounts, and develop change orders. Bidders must provide unit prices for every bid item at the time the bid is submitted. The Base Bid amount must be equal to the summation of the extension of all unit prices; Items 1 through 13. Bids which are incomplete or inaccurate will be subject to disqualification. Bidders shall immediately notify the Landscape Architect of any perceived errors, omissions or discrepancy in the bid item quantities so they and other bidders can be advised of an acceptable bid procedure. This is a Lump Sum Bid. The base bid as submitted is for complete construction as shown by the plans, details and specifications. The bidder agrees to reduce or add to the amount of the Base Bid under this proposal for any items deleted or added in accordance with the following unit prices. These unit prices shall include overhead and profit for each associated work item. GENERAL CONDITIONS Item No. Description Qty. Unit * Installed Unit Price Unit Total 1. Mobilization and maintaining traffic complete 1 LS $ $ 2. The cost of project related bonds and insurance 1 LS $ $ 3. Project sign as per specifications and location as directed by Landscape Architect 1 LS $ $ 4. All layout and staking of site work elements complete 1 LS $ $ 5. General conditions: management, overhead and profit. Unit price shall be equal to 5% of the total base bid 1 LS $ $ Bidder Company Name _____________________________________ P-2 SITE PREPARATION AND REMOVALS Item No. Description Qty. Unit * Installed Unit Price Unit Total 6. Site preparation and grading including all removal items and all other work shown on the plans but not otherwise listed below 317 SY $ $ GENERAL SITE IMPROVEMENTS Item No. Description Qty. Unit * Installed Unit Price Unit Total 7. Furnish and install 4 Concrete paving per detail 1 on sheet L5 and per plans and specifications 1,384 SF $ $ 8. Furnish and install 6 Concrete paving per detail 1 on sheet L5 and per plans and specifications 203 SF $ $ BUILDING Item No. Description Qty. Unit * Installed Unit Price Unit Total 9. Furnish and install Restroom Building Complete including Electrical, Plumbing, Mechanical and Sanitary Line Connections as per sheets A1, A2, A3, S0, S1, E1, E2 and MP1 and per plans and specifications 1 LS $ $ 10. Relocate Electrical Panel and Irrigation Controller from standalone cabinet to Building complete including all necessary wiring and connections. 1 LS $ $ SITE EQUIPMENT Item No. Description Qty. Unit * Installed Unit Price Unit Total 11. Furnish and install Pilot Rock Picnic Tables Snow Load/Extreme Load Heavy Duty Picnic Table XT Series, H-Type Perforated Steel Top and Seat, 6' Length with Powder Coated Finish (or approved equal) as per detail 3 on sheet L5 and as per plans and specifications 1 EA $ $ 12. Furnish and install Pilot Rock Picnic Tables Snow Load/Extreme Load Heavy Duty Picnic Table XT Series, H-Type Perforated Steel Top and Seat, ADA 8' Length with Powder Coated Finish (or approved equal) as per detail 3 on sheet L5 and as per plans and specifications 1 EA $ $ Bidder Company Name _____________________________________ P-3 SITE EQUIPMENT continued Item No. Description Qty. Unit * Installed Unit Price Unit Total 13. Furnish and install Dumor Waste Receptacles Model 432 55 Gallon without liner or top (or approved equal) as per detail 5 on sheet L8 and as per plans and specifications 1 EA $ $ BASE BID $_______________ Unit Descriptions LS = Lump Sum LF = Lineal Feet SF = Square Feet CY = Cubic Yard EA = Each Cal = Caliper The undersigned agrees as follows: To do any extra work not covered by the above schedule of prices, which may be ordered by the Landscape Architect, and to accept compensation therefore as provided in Section 23 of the General Conditions entitled "Unclassified Work". Begin work as soon as possible after the contract is executed and perform said work in such a manner as to complete it in accordance with Section 18 of the Information to Bidders and to coordinate their work with the other contractors involved. The undersigned acknowledges the right of the Owner to accept or reject any proposal or part of any proposal submitted. We hereby acknowledge receipt of the following addenda and have included them in our proposal; Addenda Nos.____________________ _______________________________________Dated_____________________ Dated this___________________day of______________________, 2022. By: Signature of Bidder_______________________________________________ Name of Business____________________________________________________ Business Address of Bidder ______________________________________________ ______________________________________________ Business Telephone of Bidder________________________________________ Business Fax Number of Bidder______________________________________ Business Email Address of Bidder____________________________________ Incorporated under the laws of the State of______________________________ President_____________________________________________ Bidder Company Name _____________________________________ P-4 Secretary_____________________________________________ Treasurer_____________________________________________ If Non-incorporated:________________________________________________ Names and Addresses of Members of the Firm: ____________________________________________________________________________________________ ________________________________________________________________________ Name of Subcontractor Type of Work Amount Amount _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ _________________________ ________________________ _____________________ SITE SPECIFICATIONS 02050 - 1 TECHNICAL SPECIFICATIONS GENERAL SITE CONDITIONS - SECTION 02050 PART I - GENERAL 1.01 Maintenance of Survey Information The Contractor shall be responsible for maintaining all layout information, elevations, bench marks, and general site information provided or approved by the Owner and/or Landscape Architect. Survey or layout information lost or displaced or in any way disturbed through neglect or any construction activity by the Contractor or any of his employees or representatives shall be restored by the Contractor at his expense. 1.02 Layout and Staking The General Contractor shall be responsible for layout staking, grade staking and for getting approvals for all work for himself and/or his sub-contractor. The Contractor shall employ a Registered Land Surveyor who shall establish and maintain all lines and levels required for laying out and constructing the work. The Contractor agrees to assume all responsibility due to inaccuracy of any work of said Surveyor, and including incorrect benchmarks, their loss or disturbance. 1.03 Soil Testing The Contractor shall be responsible for all soil testing throughout the course of the project on a daily basis or as required. Testing shall be done to ensure the stability of all graded areas and proposed items of work. All testing shall be conducted by a professional compaction testing specialist. Results of all testing shall be delivered to the Landscape Architect weekly, upon completion. 1.04 Sub-Contractor Layout Verification Each sub-contractor shall verify layout stakes, grades and other information as it pertains to his particular work and report any errors or inconsistencies to the Landscape Architect before commencing work. Starting the work shall imply his acceptance and willingness to correct any errors at his expense. 1.05 Protection of Existing Features The Contractor shall save and protect, to the highest degree possible, all areas and features of the site that are not identified as construction items. Unnecessary disturbances or damage shall be considered the responsibility of the Contractor for complete restoration at no additional expense to the Owner. 02050 - 2 1.06 Water, Power, and Sanitary Sewer The Contractor shall provide all water, electrical, mechanical and toilet services and facilities as may be required to properly execute the Contract and provide proper maintenance throughout the guarantee period. 1.07 Miss Dig The Contractor shall be responsible for notification to MISS DIG, one number utility alert (1-800-482-7171), for location of public utility service lines where digging or deep excavation operations could disturb or sever such lines. The Contractor shall pay for all repairs, restoration and damages resulting from failure to properly fulfill such notification and location requirements. 02100 - 1 TECHNICAL SPECIFICATIONS REMOVAL ITEMS - SECTION 02100 PART I - GENERAL 1.01 Description This work shall consist of the complete removal of all items called for in the plans and specifications or as otherwise implied in a safe and orderly manner creating as little disturbance as possible. Unless otherwise specified all areas indicated for construction of any kind shall be cleared of any debris, undergrowth, weeds, stumps, roots, and marked trees which might interfere with the progress of that work. Unmarked trees or any plant materials indicated to be saved by the Landscape Architect shall be given special protection as specified. PART II - PRODUCTS (Not Applicable) PART III - EXECUTION 3.01 Protection of Items to Remain Extreme care shall be utilized when removing any item adjacent to structures, utilities, paving, vegetation or any item not indicated for removal or relocation. These items shall be properly protected as required to keep them from damage or other disturbance of any kind during the course of the work. Care should be taken to work from open areas when working around plants that are to be saved to avoid unnecessary soil compaction and other damages that might occur. Only hand methods shall be utilized for removal of roots and debris under the drip line of trees that are to remain. 3.02 Plant Damage Compensation Damage inflicted to any trees or plant materials by the Contractor shall be compensated for at a rate established by the American Society of Consulting Arborists, Inc. 3.03 Removal Responsibility All debris, trees, stumps, or soil to be cleared and removed from the project area shall be disposed of off the site at an approved disposal area at the arrangement and 02100 - 2 expense of the Contractor. No materials will be stockpiled on site for future disposal nor will any excavation areas be left in unsafe or unsightly conditions at days end. The Contractor will be responsible for all transportation and disposal fees associated with this work. Burning of cleared, grubbed, or construction waste materials is not permitted on the Owners property. Contractor should, at a minimum, install a construction snow fence at edge of limit of work. 3.04 Utility Shut-Off The Contractor shall ascertain the location of all existing utilities and accept total responsibility for shut-off and avoidance of all such utilities during construction. All utilities to be disconnected, plugged, capped, or otherwise taken out of service shall be the responsibility of the Contractor and shall be properly executed with skilled tradesmen in accordance with the standards and practices of the trade. 02200 - 1 TECHNICAL SPECIFICATIONS EARTHWORK AND GRADING SECTION 02200 PART 1 - GENERAL 1.01 Description The work consists of all work as called for by the plans and/or proposal form and may include: rough and finish grading to approved grade stakes; excavation of organic or unstable soils; excavation, stockpiling and redistribution of topsoil; placement of subbase for construction items not covered by sub-contractors; placing and grading supplemental topsoil; and all other grading and excavation operations, unless otherwise called for in the plans and specifications, all in conformance to Act 347, Soil Erosion and Sedimentation Control, as locally administered and enforced. 1.02 Submittals Provide product data or test and Evaluation reports for each type of product indicated. A. Sub base materials indicated on drawings. B. Topsoil. PART II - PRODUCTS 2.01 Fill Materials Fill and backfill materials shall be MDOT Class II or approved clean, porous granular materials free of clay, rock or gravel larger than 2" in any dimension, debris, waste, frozen materials, vegetation or other deleterious matter. 2.02 Subbase Materials Subbase materials shall be the specified properly graded mixture of natural or crushed gravel, crushed stone, crushed slag or natural processed sand that will readily compact to the required density and remain in that state under normal conditions. 2.03 Topsoil Topsoil shall be the surface layer of soil with no admixture of refuse or any material toxic to plant growth. It shall be reasonably free from subsoil and stumps, roots, brush, stones 1 in diameter, clay lumps or similar objects. Existing vegetation including brush and noxious weeds shall be removed from the soil surface and disposed of prior to stripping of the topsoil. Ordinary sod can be thoroughly broken up and intermixed with the soil during handling operations. Topsoil shall be classifiable as a loam, silt loam, silty clay loam, or clay loam, as determined from the Bureau of Plant Industrial, Soils 02200 - 2 and Agricultural Engineering, USDA triangular soil texture chart. The topsoil, unless otherwise specified or approved, shall have a ph range of approximately 5.5 to 7.5, when tested in accordance with the methods of testing of the Association of Official Agricultural Chemists in effect on the date of invitation of bids. The organic content shall not be less than 3% nor more than 20% as determined by the wet-combustion method (chromic acid reduction) test. 2.04 Screened Imported Topsoil Prior to obtaining additional material to be used for imported topsoil, the Landscape Architect shall be notified of the source of topsoil to be furnished by the Contractor. The topsoil shall be inspected to determine if the selected soil meets the requirements of well drained soil specified and to determine the depth to which stripping will be permitted. At this time, the Contractor shall be required to take representative soil samples from several locations within the area under consideration to the proposed stripping depths for testing purposes as specified above, and shall have them professionally tested by a laboratory approved by the Landscape Architect prior to approval of the soil. Topsoil must be screened to remove all debris. 2.05 Crushed Stone Chips and Fines mixture shall be compacted to 95% or as to meet ADA guidelines for accessibility. Limestone shall be delivered to the site in a thoroughly blended condition and shall be handled in such a manner that will minimize segregation and avoid mixing of underlying aggregate with the limestone. A five (5) gallon sample of material shall be approved by the Landscape Architect prior to construction. The material shall be 100% crushed limestone materials, commonly known as limestone screenings, shall be free from all dirt, clay and foreign material. Limestone aggregate shall meet the following gradation requirements: Sieve Size Total Percent Passing 3/8 100 no. 4 65-85 no. 8 40-65 no. 16 30-40 no. 30 25-30 no. 50 20-25 no. 100 15-20 no. 200 10-20 02200 - 3 PART III - EXECUTION 3.01 3.02 3.03 3.04 3.05 3.06 Stripping Topsoil Topsoil in areas that are to be graded shall be stripped to the depth designated and stockpiled in an area approved by the Landscape Architect outside of the construction work areas. Stockpiles shall be graded and shaped to ensure proper drainage and minimize wind erosion. Removal of Unsatisfactory Materials All organic, unstable or otherwise unsatisfactory soils shall be excavated to stable soil and replaced with an approved sand or gravel compacted as specified. Excavation for Structures Grading for structures shall be to the tolerances specified and shall extend sufficient distances from footings and foundations to permit placing and removal of formwork, installation of services, other construction operations and inspection. Placing Fill During grading and filling operations, all fill shall be placed in ten -inch layers, or less, and compacted by operating heavy track or rubber tired equipment over it. Compaction of Soil Soil compaction for all graded or fill materials shall be at least 95% ASTM D 1557 or Proctor Density and shall be achieved under optimum moisture conditions unless otherwise specified. Grade Tolerance All earthwork grading shall be within one inch (1" or 0.083') of the elevations called for on the plans. All pavement and surface grading; and curb and gutter elevations shall be within one quarter inch ( ) of the elevations called for in the plans. All grading shall drain uniformly to designated low points and all changes in elevation and transition areas shall be with gentle, rounded gradients. No horizontal walk grades will exceed 5% (1 in 20) with the exception of curb ramps which may be up to 8.33% (1 in 12) for a distance of not over 6 feet. No walk cross slopes shall exceed 2% (1 in 50). No barrier free parking spaces and/or loading aprons shall exceed 2% (1 in 50) in any direction. The Landscape Architect may check finished grades with a smart level to ensure compliance with the plans, Americans with Disabilities Act (ADA) and the requirements stated above. All paving not meeting these requirements shall be removed and replaced 02200 - 4 by the Contractor at no cost to the Owner. 3.07 Maintenance of Graded Areas Recently completed sub and finished grade work areas shall be protected from erosion, traffic and accumulation of debris. The Contractor shall scarify, regrade and otherwise restore settled, eroded, and/or rutted areas to the specified grades and approval of the Landscape Architect. 02514 - 1 TECHNICAL SPECIFICATIONS CONCRETE WORK - SECTION 02514 PART I - GENERAL 1.01 1.02 Description This work shall consist of all labor, equipment, and materials necessary for complete installation of site concrete work as called for in the plans and details. Testing Standard 6-inch cylinders for compression tests of the concrete shall be prepared from each pour. Concrete for test specimens and assistance for making them on the project will be furnished by the Contractor. The furnishing of molds, the actual making of the test cylinders and all testing will be performed by the Contractor. The sample shall be tested in accordance with the specification of the American Society for Testing Materials, Serial Designation C-31 or the current Michigan Department of Transportation Specifications. If the average results from test specimens cured at an average temperature of 70 F are below the 28-day required compressive strength it will be sufficient reason for rejecting for further use the materials entering into the concrete. PART II - PRODUCTS 2.01 Concrete Concrete shall be Type A, air-entrained concrete with a slump of not less than 3 inches nor more than 4 inches unless otherwise specified. Portland Cement shall conform to the requirements of the current ASTM Specifications for Air-Entraining Portland Cement. Fine Aggregate shall conform to the requirements for "Natural Sand, 2NS" of the current Standard Specifications of the Michigan Department of Transportation. Course Aggregate shall conform to the requirements for Course Aggregate, 6 A (limestone) of the current Standard Specifications of the Michigan Department of Transportation. 2.02 Reinforcing Steel Reinforcement Materials shall conform to the requirements of current Standard Specifications of the Michigan Department of Transportation. 02514 - 2 2.03 Additives Curing of the concrete shall be performed by one of the appropriate methods as specified for "Concrete Curing Agents" in the current Standard Specifications of the Michigan Department of Transportation. Only clear curing agents or other methods that will not affect the natural colorations of the concrete will be permitted. Care shall be taken to avoid using agents or methods that affect the future use of specified sealants. Calcium chloride shall not be used in any concrete without written approval from the Landscape Architect. Ready mix concrete shall conform to the requirements of ASTM C 94. Batch plants must meet the requirements of ACI 304. Hand mixing will not be permitted except in emergencies or for very small quantities. Air entraining admixtures shall conform to ASTM C 260 and shall be constituted so that the total air content is not less than 5% nor more than 8%. 2.04 Synthetic Fiber Reinforcing Synthetic fiber reinforcing shall be 100% virgin homo polymer polypropylene fibrillated fibers as manufactured by the Fibermesh Company, 125 Meridan, Dearborn, Michigan, (313) 278-7205, by Forta Corporation, 100 Forta Drive, Grove City, Pennsylvania 16127 (1-800-245-0306), or approved equal. Synthetic fibers shall be incorporated into all concrete whether indicated on the drawings or not. The incorporation of said fibers shall be documented on the delivery ticket from the ready-mix producer. Fibers shall be added to the concrete in strict accordance with manufacturer's printed instructions. Synthetic fibers shall be 3/4" in length and shall be added at a rate of 1-1/2 lbs./cubic yard of concrete. PART III - EXECUTION 3.01 Concrete Mixing The proportioning of aggregates and cement shall be weight in accordance with the current Michigan Department of Transportation "Mortar Voids" theory with the quantities of each shown on the delivery tickets for each batch. Concrete shall be mixed only as required for immediate use and any which has developed initial set shall not be used. Concrete which has partially hardened, shall not be retempered or remixed. The use of a fractional sack of cement will not be permitted unless the fractional part is measured by weight. The mixer shall be 02514 - 3 cleaned thoroughly each time when out of operation for more than 30 minutes. Concrete mixes will be measured as described in the current "Method of Slump Test for Consistency of Portland Cement Concrete" of the ASTM Designation C-143. The concrete shall at all times be of such consistency and workability, that it can be puddled readily into corners and angles of the forms and around joints, dowels, tie bars and reinforcement without excessive spading, segregation or undue accumulation of water or laitance on the surface. The mixing of concrete in truck mixers enroute from the batching plant to the site of the work will be permitted only for mixers equipped with an approved revolution counter which will either record the number of revolutions of the mixer drum at mixing speeds and the number of revolutions at agitating speeds, for each batch, or will record the revolutions of the mixer drum only when the mixer is operating at mixing speeds. Truck mixers not so equipped shall mix the concrete at the batching plant site. The mixing shall be done on a reasonable level area, sloping not more than 2 percent in any direction. The concrete shall be discharged within a period of one hour after the introduction of the mixing water with the dry materials or within a period of 1-1 hours after the cement has been placed in contact with the aggregates, and it shall be within the specified limits for consistency and air content and it shall not be segregated. 3.02 Forming Concrete which is improperly formed, is out of alignment or level or displays surface defects shall be removed and replaced by the Contractor at no additional cost to the Owner unless patching or other corrective measures are approved. Approved permission to patch or otherwise correct such defects does not waive the Owners Agent's right to require complete removal of the defective work if the corrective measures do not adequately restore the quality and appearance of the concrete. Forms shall be metal or wood, straight and free from distortion, and of sufficient strength to resist springing during the process of depositing and finishing the concrete. Wood forms or flexible steel forms shall be used on circular curb or special sections and shall be defined as any curved section of curb or wall constructed on a radius of 150 feet or less. They shall be of an approved section with a flat surface on top. The forms shall be of the full depth of the structure and shall be well built, substantial and unyielding. They shall be securely staked, braced, and tied to the required line and grade and sufficiently tight to prevent leakage of mortar. The inside surface of the forms shall be oiled with a light, clear paraffin-base oil which will not discolor or otherwise injuriously affect the concrete as on the walls to be treated with Thoroseal or equal. Placing concrete shall not be permitted until the subgrade and forms have been approved by the Landscape Architect. The subgrade shall be wetted and the concrete deposited to the proper depth. The concrete shall be spaded sufficiently to eliminate all voids and tamped to bring the mortar to the surface, after which it shall be floated 02514 - 4 smooth and even by means of a wooden float. 3.03 Reinforcement All steel reinforcement shall be accurately placed in the position shown on the approved plans and firmly held during the placing of concrete. When placed in the work, it shall be free from dirt, rust, mill scale, paint, oil or other foreign material. Bars shall be placed with a variation in spacing between adjacent bars of not more than one-sixth of the spacing shown on the plans, and the clear distance from the near surface of the concrete to the reinforcement shall not vary from the distance shown on the plans by more than one-fourth the plan distance. Bars shall be tied at all intersections except where the spacing is less than one foot in each direction in which case alternative intersections shall be tied. Supports for reinforcement which are to remain in the work shall be either precast concrete blocks of approved shape and dimensions, or approved preformed steel bar-chairs. Bars shall not be spliced except as provided on the plans or as authorized by the Landscape Architect. 3.04 Finishing Edges on all concrete shall be rounded to a radius of 1/4 inch with an approved finishing tool unless otherwise specified. All joints shall be rounded with an approved double edging tool having a radius of 1/4 inch on each side and the surface shall then be brushed lightly to produce a slightly roughened surface and remove the finishing tool marks except where otherwise specified. All Portland Cement Concrete shall be finished with a light broom finish in the direction indicated on the plans, unless otherwise specified. Location of control joints are subject to Landscape Architects approval. Exposing Aggregate: Begin exposing aggregate when paving will bear weight of cement mason on knee boards without indention. Brush with bristle broom and fine water spray to remove excess mortar until exposure of aggregate is uniform and at proper depth as approved by the Landscape Architect. 3.05 Protection Protection of Concrete shall be performed in the following manner: Sealant for curing shall be applied immediately in accordance with manufacturers recommendations. (See part 3.05a) Protection Against Rain - The Contractor shall take such precautions as are 02514 - 5 necessary to protect the concrete from damage. Hot Weather Limitations - Casting of concrete during hot weather shall be limited by the temperature of the concrete at the time of placing. Concrete shall not be cast when the temperature of the concrete is above 90 F. Care shall be taken to properly wet and protect all concrete placed in direct sun or in hot weather. Cold Weather Limitations - No concrete shall be placed unless the temperature of the air in the shade and away from artificial heat is at least 25 F. and rising unless specifically approved. Protection from Cold Weather - The Contractor shall be responsible for the concrete placed during cold weather and any concrete injured by frost action shall be removed and replaced at his expense. Concrete shall be barricaded and monitored to protect it from pedestrian traffic, accidental damage or vandalism. 3.05a Sealant Sealant for curing shall be Kure-N-Seal 25 LV by Sonneborn. Sealant shall be applied at a coverage rate of 250 square feet per gallon. For application, proper surface preparation and drying time, consult the coatings manufacturer for more instructions. Sealant must comply with ASTM C 1315-96 Type I, Class A. Kure-N- Seal 25 LV by Sonneborn is available from S. A. Morman & Co. ph. 1.800.968.8012. Sealant for curing of exposed aggregate and sandblasted concrete shall be Kure-N- Seal 30 by Sonneborn. Sealant shall be applied at a coverage rate of 250 square feet per gallon. For application, proper surface preparation and drying time, consult the coatings manufacturer for more instructions. Sealant must comply with ASTM C1315-96, Type 1, Class A. Kure-N-Seal 30 by Sonneborn is available from S. A. Morman & Co. ph. 1.800.968.8012. For subsequent coating applications, use Sonosil Curing aid, hardening and dustproofing compound for concrete. For application, proper surface preparation and drying time, consult the coatings manufacturer for more instructions. Sonosil by Sonneborn is available from S. A. Morman & Co. ph. 1.800.968.8012. 3.06 Curing Forms shall be left in place for a period of not less than 12 hours. Immediately after they have been removed, all porous or honeycomb areas thus uncovered shall be filled smooth with mortar consisting of one part cement and two parts fine aggregate. Also, the ends of all expansion joints shall be cut open to the full width of the expansion joint material. 02514 - 6 The main supporting forms, including all shoring and bracing shall remain in place for a period of not less than seven (7) days, and for such longer period as the Landscape Architect may direct. 3.07 Expansion Joints Contractor to indicate the layout of the proposed expansion joints required in all concrete areas if not shown on construction documents. Expansion joints at to be placed at a minimum of 30 intervals to correct elevation and profile. Contractor to align curb, gutter; and sidewalk expansion joints. Place joints between paving components and building or other appurtenances. Location of expansion joints is subject to approval of the Landscape Architect. 02515 - 1 TECHNICAL SPECIFICATIONS JOINT FILLER AND SEALANT - SECTION 02515 PART I - GENERAL 1.01 Description This work shall consist of the complete installation of specified expansion joint filler and joint sealant as called for in the plans and details. 1.02 Submittals Sealant manufacturer's instructions, including limitations for application and priming. Indicate on the brochure or by transmittal which primers will be used or submit printed statement from sealant manufacturer that no primers are required for maximum adhesion. Sealant manufacturer's standard color range for color selection. Color will be selected by the Landscape Architect. PART II - PRODUCTS 2.01 Expansion joint material shall be pre-molded, non-staining and compatible with sealant and primer, and of a resilient nature such as closed cell resilient foam or sponge rubber. Sonoflex - F closed cell foam as manufactured by Sonneborn Building Products and available from Ersco Corporation, 2643 - 28th Street, Wyoming, Michigan, A/C 616-531-7050, or approved equal by Landscape Architect shall be used. Materials impregnated with oil, bitumen, or similar materials shall not be used. Provide back-up materials only as recommended by sealant manufacturer in writing. Joint material shall be 33% to 50% larger than joint width. 2.02 Expansion joint cap shall be white cap or snap-cap premolded P.V.C. expansion joint cap. 2.03 Joint sealant shall be Sonolastic SL 1 self-leveling polyurethane sealant as manufactured by Sonneborn Building Products and available from Ersco Corporation, Wyoming, Michigan. PART III - EXECUTION 3.01 Joint Preparation All joint surfaces shall be dry and thoroughly clean. Remove all loose particles, dirt, paint, foreign matter, or curing compound by means not injurious to the material to be sealed and that will not change the appearance of the exposed surfaces adjacent to the 02515 - 2 sealant joint. 3.02 Sealant Application All joints shall be neatly finished to assure proper filling of voids, elimination of air pockets and maximum contact at joint interfaces. After surfaces of joints are cleaned, joint interfaces shall be primed and then joint sealant installed over expansion joint material. Sealant shall be brought close to the surface without overflowing and form a slightly concave joint seal. Where required because of excessive slope, a non-sag variety of the same joint sealant shall be installed with a caulking gun and the joints tooled. Where required to avoid smearing exposed surfaces of a joint, use masking tape and remove after installation. No sealant shall be applied to a joint at temperatures other than those per manufacturer's recommendations. Wherever possible, sealant application shall be scheduled for seasonal periods (medium temperature) when joints are at their normal size. Sealant SHALL NOT be applied over incompatible materials, oil base or asphaltic products, any migratory saturant or any other materials or sealant in which the bonding properties and adverse effects resulting from the combination are not known. Modification of a sealant by the addition of liquids or powders to alter its flow properties SHALL NOT be permitted. A sealant SHALL NOT be used if the date of manufacture indicates that the sealant is more than 12 months old. Where a lesser period is recommended by the manufacturer, the lesser period shall govern. 3.03 Quality Any sealed joint not completely filled or properly finished shall be reopened and replaced as directed and sealed as specified. No rough or unsightly work shall be accepted as determined by Landscape Architect. 02910 - 1 TECHNICAL SPECIFICATIONS LAWN SEEDING - SECTION 02910 PART I - GENERAL 1.01 Description This work consists of the complete construction of all lawn areas as indicated on the plans or disturbed during construction, including the finish grading, tilling and cleaning the seed bed; seeding; fertilizing; mulching; weed control; specified watering; and maintaining the seeded areas through the required mowings. 1.02 Submittals Provide product data or test and Evaluation reports for each type of product indicated. A. Grass Seed B. Hydro-mulching C. Tackifier D. Straw/Coconut Fiber E. Fertilizer PART II - PRODUCTS 2.01 Grass seed shall be applied at the rate of six pounds (6#) per thousand square feet in the following mixture. MINIMUM PERCENT/ PERCENT SEED WEIGHT GERMINATION Merit Kentucky Bluegrass 10% 85% Monopoly Kentucky Bluegrass 10% 85% Touchdown Kentucky Bluegrass 10% 85% Manhattan II Perennial Ryegrass 25% 85% Fiesta II Perennial Ryegrass 25% 85% Pennlawn Creeping Red Fescue 20% 85% 100% 2.02 Mulch for hydro-mulching shall be commercially available wood cellulose fiber or wood pulp for use in spray applicators and shall be applied at a rate of 1,250 pounds per acre. All seed areas must be completely and uniformly covered. 2.03 Tackifier for mulch shall be GeoPro Matrix as available from Price & Company, Inc., telephone 1-800-248-8230. 02910 - 2 2.04 Straw/Coconut fiber combination blanket shall be by North American Green, number SC150BN, as available from Price & Company, Inc., telephone 1-800-248-8230. 2.05 Fertilizer 10-10-10 or 12-12-12 PART III - EXECUTION 3.01 Seeding Operations The Contractor shall till; fine grade; remove all sticks, stones, debris, clay lumps, sod clods and other undesirable materials in the top four (4") inches of soil and have the Landscape Architect approve the seed bed before seeding. After the seedbed has been prepared and approved by the Landscape Architect, the Contractor shall sow the specified seed mixture with a Brillion, or equal, mechanical seeder. The Contractor shall incorporate an equal ratio, complete fertilizer such as 10-10-10 or 12-12-12 in the top two inches (2") of soil or in the hydro-slurry mix at a rate of four hundred pounds per acre (400#/acre). After the seed is installed the entire seedbed area shall be hydro-mulched as specified. All seed areas must be completely and uniformly covered. Light and uneven areas will not be accepted. Care should be taken to prevent overspray of mulch on curbs, walks, pavement, etc. All overspray must be cleaned off. On all seeded areas, the contractor shall incorporate GeoPro Matrix in combination with hydroseeding at a rate of 2000 lbs per acre. GeoPro Matrix is available through Price & Company, Inc., telephone 1-800-248-8230. For slopes of 4 on 1 (25%) or greater and all drainage swales, the contractor shall cover the entire area with the straw/coconut combination blanket in accordance with the manufacturers recommendations. 3.02 Season of Seeding The normal seasonal dates for seeding shall be August 20 through October 10 and April 15 to May 25. The Landscape Architect may approve seeding of irrigated areas outside of these dates. The Landscape Architect must approve seeding at other times of the year. Seeding shall not be done when the ground is excessively wet, frozen or otherwise intillable. 3.03 Protection The contractor shall install snow fence at perimeter of all seeded area until establishment. 02910 - 3 3.04 Repairs The Contractor shall be responsible for the repair of any damage to existing lawns, which may result from his work and such repairs shall be made swiftly in a thorough and workmanlike manner, with minimum inconvenience to the Owner and users of the site. Repairs shall be made to the satisfaction of the Landscape Architect. Where lawn areas have been disturbed or damaged, the damaged lawn areas, ruts and depressions shall be cultivated, filled with topsoil, settled to proper grades and seeded to the satisfaction of the Landscape Architect. 3.05 Maintenance This work consists of all labor, equipment, materials and means necessary to completely nurture, cultivate, sustain, care for or otherwise maintain all seeded lawn areas including additional fertilization and weed control as required to achieve as thick, healthy weed free turf. All seeded lawn areas shall be maintained by the Contractor for a period of sixty (60) days following germination and for at least three (3) complete mowings. A. Lawn Mowing The first mowing shall occur when the grass is approximately 3 inches in height. Mowings shall occur when the grass is within inch of 3 inches in height. Cut grass 2 inches to 2 inches high. Not more than 1/3 of the height of the grass shall be removed in any single cutting. All mowing shall be done with clean, freshly sharpened and properly adjusted rotary or reel type mowing equipment of reputable make and design. Mowing is not permitted when the grass blades are wet. Clippings shall be left if the grass is cut within the specified heights. Cuttings of more than 1/3 of the height shall have all clippings removed. Mowing direction should be varied with each mowing to change the patterns of wear and cut. All edge areas shall be cleanly trimmed to the same height as the rest of the lawn area. All walks, ground cover beds, parking areas, drives and related areas shall be free of clippings or related mowing and maintenance waste before mowing is considered complete and before the Contractor leaves the job site. B. Lawn Watering Watering shall occur on a regular basis throughout the maintenance period and shall be adjusted to include natural rainfall if inch or more falls in a two consecutive day period. All lawn areas shall receive at least 1 inches of water per week in porous soils 02910 - 4 and 1 inch of water in clay soils. One inch (1") of water is approximately 640 gallons of water per 1,000 square feet of lawn. Water shall be applied in not more than two equal applications per week in any given area to ensure complete and thorough wetting of the soil and root systems. Frequent, light waterings shall not be permitted. If an irrigation system is available, the contractor shall be responsible for its complete operation during the maintenance period. Care shall be taken to water all areas equally by adjusting rates of application required for different soils and exposure conditions. Every effort shall be made to water from early morning to approximately one (1) hour before mid-day. Watering during the mid-day period or during very high winds shall not be permitted without expressed approval by the Owner. The Contractor shall furnish and/or arrange for with the Owner, all equipment and materials necessary to properly conduct all watering operations in a timely, efficient and orderly manner. The Contractor shall utilize all existing water services and irrigation systems; in the manner they were intended, to uniformly and thoroughly water all lawn areas. Spray from watering devices shall not be directed across walks, drives or parking areas or against buildings, except by expressed approval from the Owner. Rotation of watering areas shall be in an organized, orderly manner with every effort made to completely water physically contiguous areas. All watering shall be by spray application at rates that permit continuous absorption without puddling or flowing off-site or into other areas. Flood watering will not be permitted. BUILDING SPECIFICATIONS CAST-IN-PLACE CONCRETE 03 3000 - 1 SECTION 03 3000 - CAST-IN-PLACE CONCRETE PART 1 - GENERAL 1.1 RELATED DOCUMENTS A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section. 1.2 SUMMARY A. Section includes cast-in-place concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes. 1. Footings. 2. Foundation walls. 3. Slab-on-grade. B. Related Requirements: 1. Section 02200 "Earthwork and Grading" for excavation and fill under footings and slabs- on-grade. 2. Section 02513 "Bituminous Concrete Paving" for concrete pavement. 3. Section 02514 "Concrete Work- Flatwork" for sidewalks, ramps and exterior stairs. 1.3 DEFINITIONS A. Cementitious Materials: Portland cement alone or in combination with one or more of the following: blended hydraulic cement, fly ash, slag cement, other pozzolans, and silica fume; materials subject to compliance with requirements. 1.4 ACTION SUBMITTALS A. Product Data: For each type of product. B. Sustainable Design Submittals: 1. Recycled Content Product Data: For products having recycled content, documentation indicating percentages by weight of postconsumer and preconsumer recycled content. 2. Design Mixtures: For each concrete mixture containing fly ash as a replacement for portland cement or other portland cement replacements, and for equivalent concrete mixtures that do not contain portland cement replacements. C. Design Mixtures: For each concrete mixture. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments. http://www.arcomnet.com/sustainable_design.aspx?topic=7 CAST-IN-PLACE CONCRETE 03 3000 - 2 1. Indicate amounts of mixing water to be withheld for later addition at Project site. D. Steel Reinforcement Shop Drawings: Placing Drawings that detail fabrication, bending, and placement. Include bar sizes, lengths, material, grade, bar schedules, stirrup spacing, bent bar diagrams, bar arrangement, splices and laps, mechanical connections, tie spacing, hoop spacing, and supports for concrete reinforcement. E. Construction Joint Layout: Indicate proposed construction joints required to construct the structure. 1. Location of construction joints is subject to approval of the Architect. 1.5 INFORMATIONAL SUBMITTALS A. Qualification Data: For Installer and for Testing agency. B. Material Certificates: For each of the following, signed by manufacturers: 1. Cementitious materials. 2. Steel reinforcement and accessories. 3. Curing compounds. C. Field quality-control reports. 1.6 QUALITY ASSURANCE A. Installer Qualifications: A qualified installer who employs on Project personnel qualified as ACI-certified Flatwork Technician and Finisher and a supervisor who is an ACI-certified Concrete Flatwork Technician. B. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products and that complies with ASTM C 94/C 94M requirements for production facilities and equipment. 1. Manufacturer certified according to NRMCA's "Certification of Ready Mixed Concrete Production Facilities." C. Testing Agency Qualifications: An independent agency, acceptable to the Owner or Owners representative qualified according to ASTM C 1077 and ASTM E 329 for concrete installation testing. D. Concrete Testing Service: Engage a qualified independent testing agency to perform materials evaluation tests and to design concrete mixtures. 1.7 DELIVERY, STORAGE, AND HANDLING A. Steel Reinforcement: Deliver, store, and handle steel reinforcement to prevent bending and damage. Avoid damaging coatings on steel reinforcement. CAST-IN-PLACE CONCRETE 03 3000 - 3 1.8 FIELD CONDITIONS A. Cold-Weather Placement: Comply with ACI 306.1 and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures. 1. When average high and low temperature is expected to fall below 40 deg F for three successive days, maintain delivered concrete mixture temperature within the temperature range required by ACI 301. 2. Do not use frozen materials or materials containing ice or snow. Do not place concrete on frozen subgrade or on subgrade containing frozen materials. 3. Do not use calcium chloride, salt, or other materials containing antifreeze agents or chemical accelerators unless otherwise specified and approved in mixture designs. B. Hot-Weather Placement: Comply with ACI 301 and as follows: 1. Maintain concrete temperature below 90 deg F at time of placement. Chilled mixing water or chopped ice may be used to control temperature, provided water equivalent of ice is calculated to total amount of mixing water. Using liquid nitrogen to cool concrete is Contractor's option. 2. Fog-spray forms, steel reinforcement, and subgrade just before placing concrete. Keep subgrade uniformly moist without standing water, soft spots, or dry areas. PART 2 - PRODUCTS 2.1 CONCRETE, GENERAL A. ACI Publications: Comply with the following unless modified by requirements in the Contract Documents: 1. ACI 301. 2. ACI 117. 2.2 FORM-FACING MATERIALS A. Smooth-Formed Finished Concrete: Form-facing panels that provide continuous, true, and smooth concrete surfaces. Furnish in largest practicable sizes to minimize number of joints. 1. Plywood, metal, or other approved panel materials. 2. Exterior-grade plywood panels, suitable for concrete forms, complying with DOC PS 1, and as follows: a. High-density overlay, Class 1 or better. b. Medium-density overlay, Class 1 or better; mill-release agent treated and edge sealed. c. Structural 1, B-B or better; mill oiled and edge sealed. d. B-B (Concrete Form), Class 1 or better; mill oiled and edge sealed. 3. Overlaid Finnish birch plywood. CAST-IN-PLACE CONCRETE 03 3000 - 4 B. Rough-Formed Finished Concrete: Plywood, lumber, metal, or another approved material. Provide lumber dressed on at least two edges and one side for tight fit. C. Pan-Type Forms: Glass-fiber-reinforced plastic or formed steel, stiffened to resist plastic concrete loads without detrimental deformation. D. Chamfer Strips: If design indicates chamfers , use wood, metal, PVC, or rubber strips, 3/4 by 3/4 inch, minimum. E. Form-Release Agent: Commercially formulated form-release agent that does not bond with, stain, or adversely affect concrete surfaces and does not impair subsequent treatments of concrete surfaces. 1. Formulate form-release agent with rust inhibitor for steel form-facing materials. F. Form Ties: Factory-fabricated, removable or snap-off glass-fiber-reinforced plastic or metal form ties designed to resist lateral pressure of fresh concrete on forms and to prevent spalling of concrete on removal. 1. Furnish units that leave no corrodible metal closer than 1 inch to the plane of exposed concrete surface. 2. Furnish ties that, when removed, leave holes no larger than 1 inch in diameter in concrete surface. 3. Furnish ties with integral water-barrier plates to walls indicated to receive dampproofing or waterproofing. 2.3 STEEL REINFORCEMENT A. Recycled Content of Steel Products: Provide products with an average recycled content of steel products so postconsumer recycled content plus one-half of preconsumer recycled content is not less than 25%. B. Reinforcing Bars: ASTM A 615, Grade 60, deformed. C. Steel Bar Mats: ASTM A 184, fabricated from ASTM A 615, Grade 60, deformed bars, assembled with clips. D. Plain-Steel Wire: ASTM A 1064. E. Deformed-Steel Wire: ASTM A 1064. F. Plain-Steel Welded-Wire Reinforcement: ASTM A 1064, plain, fabricated from as-drawn steel wire into flat sheets. G. Deformed-Steel Welded-Wire Reinforcement: ASTM A 1064, flat sheet. H. Epoxy-Coated Rebar (where indicated): ASTM A 775/A. CAST-IN-PLACE CONCRETE 03 3000 - 5 2.4 REINFORCEMENT ACCESSORIES A. Joint Dowel Bars: ASTM A 615, Grade 60, plain-steel bars, cut true to length with ends square and free of burrs. B. Bar Supports: Bolsters, chairs, spacers, and other devices for spacing, supporting, and fastening reinforcing bars and welded-wire reinforcement in place. Manufacture bar supports from steel wire, plastic, or precast concrete according to CRSI's "Manual of Standard Practice," of greater compressive strength than concrete and as follows: 1. For concrete surfaces exposed to view, where legs of wire bar supports contact forms, use CRSI Class 1 plastic-protected steel wire or CRSI Class 2 stainless-steel bar supports. 2.5 CONCRETE MATERIALS A. Source Limitations: Obtain each type or class of cementitious material of the same brand from the same manufacturer's plant, obtain aggregate from single source, and obtain admixtures from single source from single manufacturer. B. Cementitious Materials: 1. Portland Cement: ASTM C 150/C 150M, Type I, gray , unless otherwise noted. 2. Fly Ash: ASTM C 618, Class f or C.. C. Normal-Weight Aggregates: ASTM C 33, Class3M coarse aggregate or better, graded. Provide aggregates from a single source with documented service record data of at least 10 years' satisfactory service in similar applications and service conditions using similar aggregates and cementitious materials. 1. Maximum Coarse-Aggregate Size: 1/3 slab thickness, nominal. 2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement. D. Air-Entraining Admixture: ASTM C 260. E. Chemical Admixtures: Certified by manufacturer to be compatible with other admixtures and that do not contribute water-soluble chloride ions exceeding those permitted in hardened concrete. Do not use calcium chloride or admixtures containing calcium chloride. 1. Water-Reducing Admixture: ASTM C 494, Type A. 2. Retarding Admixture: ASTM C 494, Type B. 3. Plasticizing and Retarding Admixture: ASTM C 1017, Type II. F. Set-Accelerating Corrosion-Inhibiting Admixture: Commercially formulated, anodic inhibitor or mixed cathodic and anodic inhibitor; capable of forming a protective barrier and minimizing chloride reactions with steel reinforcement in concrete and complying with ASTM C 494/C 494M, Type C. 1. Products: a. Grace construction Products, W.R.Grace & Co.; DCI. b. Master Builders, Inc.; Rheoconcrete CNI. c. Euclid Chemical Co.; CAST-IN-PLACE CONCRETE 03 3000 - 6 d. Or approved equal. G. Non-Set-Accelerating Corrosion-Inhibiting Admixture: Commercially formulated, non-set- accelerating, anodic inhibitor or mixed cathodic and anodic inhibitor; capable of forming a protective barrier and minimizing chloride reactions with steel reinforcement in concrete. 1. Products: a. Grace construction Products, W.R.Grace & Co.; DCI-S. b. Master Builders, Inc.; Rheoconcrete 222+. c. Sika Corp.; FerroGard 901. d. Or approved equal. 2.6 VAPOR RETARDERS A. Sheet Vapor Retarder: ASTM E 1745, Class A. Include manufacturer's recommended adhesive or pressure-sensitive tape. 1. Products: a. Fortifiber Building Systems Group; Moistop Ultra 15. b. Raven Industries Inc.; Vapor Block 15. c. Reef Industries, Inc.; Griffolyn 15 mil Green d. Or approved equal. B. Sheet Vapor Retarder: Polyethylene sheet, ASTM D 4397, not less than 10 mils thick. 2.7 CURING MATERIALS A. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. when dry. B. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap-polyethylene sheet. C. Water: Potable. D. Clear, Waterborne, Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class B, dissipating. Use limited to exterior slabs. 2.8 RELATED MATERIALS A. Expansion- and Isolation-Joint-Filler Strips: ASTM D 1752, cork or self-expanding cork. B. Semirigid Joint Filler: Two-component, semirigid, 100 percent solids, epoxy resin with a Type A shore durometer hardness of 80 according to ASTM D 2240. C. Bonding Agent: ASTM C 1059, Type II, non-redispersible, acrylic emulsion or styrene butadiene. D. Epoxy Bonding Adhesive: ASTM C 881, two-component epoxy resin, capable of humid curing and bonding to damp surfaces, of class suitable for application temperature and of grade to suit requirements, and as follows: CAST-IN-PLACE CONCRETE 03 3000 - 7 1. Types I and II, nonload bearing for bonding hardened or freshly mixed concrete to hardened concrete. 2.9 REPAIR MATERIALS A. Repair Underlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/8 inch and that can be feathered at edges to match adjacent floor elevations. 1. Cement Binder: ASTM C 150/C 150M, portland cement or hydraulic or blended hydraulic cement as defined in ASTM C 219. 2. Primer: Product of underlayment manufacturer recommended for substrate, conditions, and application. 3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch or coarse sand as recommended by underlayment manufacturer. 4. Compressive Strength: Not less than 4100 psi at 28 days when tested according to ASTM C 109/C 109M. B. Repair Overlayment: Cement-based, polymer-modified, self-leveling product that can be applied in thicknesses from 1/4 inch and that can be filled in over a scarified surface to match adjacent floor elevations. 1. Cement Binder: ASTM C 150/C 150M, portland cement or hydraulic or blended hydraulic cement as defined in ASTM C 219. 2. Primer: Product of topping manufacturer recommended for substrate, conditions, and application. 3. Aggregate: Well-graded, washed gravel, 1/8 to 1/4 inch or coarse sand as recommended by topping manufacturer. 4. Compressive Strength: Not less than 5000 psi at 28 days when tested according to ASTM C 109/C 109M. 2.10 CONCRETE MIXTURES, GENERAL A. Prepare design mixtures for each type and strength of concrete, proportioned on the basis of laboratory trial mixture or field test data, or both, according to ACI 301. 1. Use a qualified independent testing agency for preparing and reporting proposed mixture designs based on laboratory trial mixtures. B. Cementitious Materials: Limit percentage, by weight, of cementitious materials other than portland cement in concrete as follows: 1. Fly Ash: 25 percent. 2. Combined Fly Ash and Pozzolan: 25 percent. 3. Ground Granulated Blast-furnace Slag Cement: 50 percent. 4. Combined Fly Ash or Pozzolan and Ground Granulated Blast-furnace Slag Cement: 50 percent portland cement minimum, with fly ash or pozzolan not exceeding 25 percent. CAST-IN-PLACE CONCRETE 03 3000 - 8 C. Limit water-soluble, chloride-ion content in hardened concrete to 0.06 percent by weight of cement. D. Admixtures: Use admixtures according to manufacturer's written instructions. 1. Use water-reducing or plasticizing admixture in concrete, as required, for placement and workability. 2. Use water-reducing and -retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions. 3. Use water-reducing admixture in pumped concrete, concrete for heavy-use industrial slabs and parking structure slabs, concrete required to be watertight, and concrete with a w/c ratio below 0.50. 4. Use corrosion-inhibiting admixture in concrete mixtures where indicated. 2.11 CONCRETE MIXTURES FOR BUILDING ELEMENTS A. Footings: Normal-weight concrete. 1. Minimum Compressive Strength: 3500 psi at 28 days. 2. Maximum W/C Ratio: See ACI 318. 3. Slump Limit: 4 inches for concrete with verified slump of 2 to 4 inches before adding high-range water-reducing admixture or plasticizing admixture, plus or minus 1 inch. 4. Air Content: to be determined in accordance with ASTM C173. B. Foundation Walls: Normal-weight concrete. 1. Minimum Compressive Strength: 3500 psi at 28 days. 2. Maximum W/C Ratio: See ACI 318. 3. Slump Limit: 4 inches for concrete with verified slump of 2 to 4 inches before adding high-range water-reducing admixture or plasticizing admixture, plus or minus 1 inch. 4. Air Content: to be determined in accordance with ASTM C173. C. Slabs-on-Grade: Normal-weight concrete. 1. Minimum Compressive Strength: 3500 psi at 28 days. 2. Maximum W/C Ratio: See ACI 318. 3. Minimum Cementitious Materials Content: 470 lb/cu. yd. 4. Slump Limit: 4 inches, plus or minus 1 inch. 5. Air Content: To be determined in accordance with ASTM C 173. 6. Air Content: Do not allow air content of trowel-finished floors to exceed 3 percent. 2.12 FABRICATING REINFORCEMENT A. Fabricate steel reinforcement according to CRSI's "Manual of Standard Practice." 2.13 CONCRETE MIXING A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to ASTM C 94 and ASTM C 1116, and furnish batch ticket information. CAST-IN-PLACE CONCRETE 03 3000 - 9 1. When air temperature is between 85 and 90 deg F, reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg F, reduce mixing and delivery time to 60 minutes. PART 3 - EXECUTION 3.1 FORMWORK INSTALLATION A. Design, erect, shore, brace, and maintain formwork, according to ACI 301, to support vertical, lateral, static, and dynamic loads, and construction loads that might be applied, until structure can support such loads. B. Construct formwork so concrete members and structures are of size, shape, alignment, elevation, and position indicated, within tolerance limits of ACI 117. C. Limit concrete surface irregularities, designated by ACI 347 as abrupt or gradual, as follows: 1. Class B, 1/4 inch for rough-formed finished surfaces. D. Construct forms tight enough to prevent loss of concrete mortar. E. Construct forms for easy removal without hammering or prying against concrete surfaces. Provide crush or wrecking plates where stripping may damage cast-concrete surfaces. Provide top forms for inclined surfaces steeper than 1.5 horizontal to 1 vertical. 1. Install keyways, reglets, recesses, and the like, for easy removal. 2. Do not use rust-stained steel form-facing material. F. Set edge forms, bulkheads, and intermediate screed strips for slabs to achieve required elevations and slopes in finished concrete surfaces. Provide and secure units to support screed strips; use strike-off templates or compacting-type screeds. G. Provide temporary openings for cleanouts and inspection ports where interior area of formwork is inaccessible. Close openings with panels tightly fitted to forms and securely braced to prevent loss of concrete mortar. Locate temporary openings in forms at inconspicuous locations. H. When indicated on design details, chamfer exterior corners and edges of permanently exposed concrete. I. Form openings, chases, offsets, sinkages, keyways, reglets, blocking, screeds, and bulkheads required in the Work. Determine sizes and locations from trades providing such items. J. Clean forms and adjacent surfaces to receive concrete. Remove chips, wood, sawdust, dirt, and other debris just before placing concrete. K. Retighten forms and bracing before placing concrete, as required, to prevent mortar leaks and maintain proper alignment. L. Coat contact surfaces of forms with form-release agent, according to manufacturer's written instructions, before placing reinforcement. CAST-IN-PLACE CONCRETE 03 3000 - 10 M. Trench footing: Trench footing (earth formed) in place of formed footings and foundation walls will not be allowed. 3.2 EMBEDDED ITEM INSTALLATION A. Place and secure anchorage devices and other embedded items required for adjoining work that is attached to or supported by cast-in-place concrete. Use setting drawings, templates, diagrams, instructions, and directions furnished with items to be embedded. 1. Install anchor rods, accurately located, to elevations required and complying with tolerances in Section 7.5 of AISC 303. 3.3 REMOVING AND REUSING FORMS A. General: Formwork for sides of beams, walls, columns, and similar parts of the Work that does not support weight of concrete may be removed after cumulatively curing at not less than 50 deg F for 24 hours after placing concrete. Concrete has to be hard enough to not be damaged by form-removal operations, and curing and protection operations need to be maintained. 1. Leave formwork for beam soffits, joists, slabs, and other structural elements that support weight of concrete in place until concrete has achieved at least 70 percent of its 28-day design compressive strength. 2. Remove forms only if shores have been arranged to permit removal of forms without loosening or disturbing shores. B. Clean and repair surfaces of forms to be reused in the Work. Split, frayed, delaminated, or otherwise damaged form-facing material are not acceptable for exposed surfaces. Apply new form-release agent. C. When forms are reused, clean surfaces, remove fins and laitance, and tighten to close joints. Align and secure joints to avoid offsets. Do not use patched forms for exposed concrete surfaces unless approved by Architect. 3.4 VAPOR-RETARDER INSTALLATION A. Sheet Vapor Retarders: Place, protect, and repair sheet vapor retarder according to ASTM E 1643 and manufacturer's written instructions. 1. Lap joints 6 inches and seal with manufacturer's recommended tape. 3.5 STEEL REINFORCEMENT INSTALLATION A. General: Comply with CRSI's "Manual of Standard Practice" for fabricating, placing, and supporting reinforcement. 1. Do not cut or puncture vapor retarder. Repair damage and reseal vapor retarder before placing concrete. CAST-IN-PLACE CONCRETE 03 3000 - 11 B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials that reduce bond to concrete. C. Accurately position, support, and secure reinforcement against displacement. Locate and support reinforcement with bar supports to maintain minimum concrete cover. Do not tack weld crossing reinforcing bars. 1. Weld reinforcing bars according to AWS D1.4, where indicated. D. Set wire ties with ends directed into concrete, not toward exposed concrete surfaces. E. Install welded-wire reinforcement in longest practicable lengths on bar supports spaced to minimize sagging. Lap edges and ends of adjoining sheets at least one mesh spacing. Offset laps of adjoining sheet widths to prevent continuous laps in either direction. Lace overlaps with wire. 3.6 JOINTS A. General: Construct joints true to line with faces perpendicular to surface plane of concrete. B. Construction Joints: Install so strength and appearance of concrete are not impaired, at locations indicated or as approved by Architect during review of shop drawings. C. Contraction Joints in Slabs-on-Grade: Form weakened-plane contraction joints, sectioning concrete into areas as indicated. Construct contraction joints for a depth equal to at least one- fourth of concrete thickness as follows: 1. Sawed Joints: Form contraction joints with power saws equipped with shatterproof abrasive or diamond-rimmed blades. Cut 1/8-inch- wide joints into concrete when cutting action does not tear, abrade, or otherwise damage surface and before concrete develops random contraction cracks. D. Isolation Joints in Slabs-on-Grade: After removing formwork, install joint-filler strips at slab junctions with vertical surfaces, such as column pedestals, foundation walls, grade beams, and other locations, as indicated. 1. Extend joint-filler strips full width and depth of joint, terminating flush with finished concrete surface unless otherwise indicated. 2. Terminate full-width joint-filler strips not less than 1/2 inch or more than 1 inch below finished concrete surface where joint sealants, specified in Section 079200 "Joint Sealants," are indicated. 3. Install joint-filler strips in lengths as long as practicable. Where more than one length is required, lace or clip sections together. 3.7 CONCRETE PLACEMENT A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections are completed. B. Do not add water to concrete during delivery, at Project site, or during placement unless approved by Architect. CAST-IN-PLACE CONCRETE 03 3000 - 12 C. Deposit concrete continuously in one layer or in horizontal layers of such thickness that no new concrete is placed on concrete that has hardened enough to cause seams or planes of weakness. If a section cannot be placed continuously, provide construction joints as indicated. Deposit concrete to avoid segregation. 1. Deposit concrete in horizontal layers of depth not to exceed formwork design pressures and in a manner to avoid inclined construction joints. 2. Consolidate placed concrete with mechanical vibrating equipment according to ACI 301. 3. Do not use vibrators to transport concrete inside forms. Insert and withdraw vibrators vertically at uniformly spaced locations to rapidly penetrate placed layer and at least 6 inches into preceding layer. Do not insert vibrators into lower layers of concrete that have begun to lose plasticity. At each insertion, limit duration of vibration to time necessary to consolidate concrete and complete embedment of reinforcement and other embedded items without causing mixture constituents to segregate. D. Deposit and consolidate concrete for floors and slabs in a continuous operation, within limits of construction joints, until placement of a panel or section is complete. 1. Consolidate concrete during placement operations, so concrete is thoroughly worked around reinforcement and other embedded items and into corners. 2. Maintain reinforcement in position on chairs during concrete placement. 3. Screed slab surfaces with a straightedge and strike off to correct elevations. 4. Slope surfaces uniformly to drains where required. 5. Begin initial floating using bull floats or derbies to form a uniform and open-textured surface plane before excess bleed water appears on the surface. Do not further disturb slab surfaces before starting finishing operations. E. Cold-Weather Placement: Comply with ACI 306.1. F. Hot-Weather Placement: Comply with ACI 301. 3.8 FINISHING FLOORS AND SLABS A. General: Comply with ACI 302.1R recommendations for screeding, restraightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces. B. Trowel Finish: After applying float finish, apply first troweling and consolidate concrete by hand or power-driven trowel. Continue troweling passes and restraighten until surface is free of trowel marks and uniform in texture and appearance. Grind smooth any surface defects that would telegraph through applied coatings or floor coverings. 1. Apply a trowel finish to surfaces exposed to view or to be covered with resilient flooring, carpet, ceramic or quarry tile set over a cleavage membrane, paint, or another thin-film- finish coating system. 2. Finish surfaces to the following tolerances, according to ASTM E 1155, for a randomly trafficked floor surface: a. Specified overall values of flatness, F(F) 20; and of levelness, F(L) 15; with minimum local values of flatness, F(F) 15; and of levelness, F(L) 10; for slab-on- grade. CAST-IN-PLACE CONCRETE 03 3000 - 13 C. Broom Finish: Apply a broom finish to exterior concrete platforms, steps, ramps, and elsewhere as indicated. 1. Immediately after float finishing, slightly roughen trafficked surface by brooming with fiber-bristle broom perpendicular to main traffic route. Coordinate required final finish with Architect before application. 3.9 MISCELLANEOUS CONCRETE ITEM INSTALLATION A. Filling In: Fill in holes and openings left in concrete structures after work of other trades is in place unless otherwise indicated. Mix, place, and cure concrete, as specified, to blend with in- place construction. Provide other miscellaneous concrete filling indicated or required to complete the Work. 3.10 CONCRETE PROTECTING AND CURING A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and ACI 301 for hot-weather protection during curing. B. Formed Surfaces: Cure formed concrete surfaces, including underside of beams, supported slabs, and other similar surfaces. If forms remain during curing period, moist cure after loosening forms. If removing forms before end of curing period, continue curing for remainder of curing period. C. Unformed Surfaces: Begin curing immediately after finishing concrete. Cure unformed surfaces, including floors and slabs, concrete floor toppings, and other surfaces. D. Cure concrete according to ACI 308.1, by one or a combination of the following methods: 1. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moisture-retaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches, and sealed by waterproof tape or adhesive. Cure for not less than seven days. Immediately repair any holes or tears during curing period, using cover material and waterproof tape. a. Use moisture-retaining covers to cure concrete surfaces to receive floor coverings. 2. Curing Compound: Apply uniformly in continuous operation by power spray or roller according to manufacturer's written instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Maintain continuity of coating and repair damage during curing period. a. Removal: After curing period has elapsed, remove curing compound without damaging concrete surfaces by method recommended by curing compound manufacturer.. 3. Curing and Sealing Compound: Apply uniformly to floors and slabs indicated in a continuous operation by power spray or roller according to manufacturer's written CAST-IN-PLACE CONCRETE 03 3000 - 14 instructions. Recoat areas subjected to heavy rainfall within three hours after initial application. Repeat process 24 hours later and apply a second coat. Maintain continuity of coating and repair damage during curing period. 3.11 LIQUID FLOOR TREATMENT APPLICATION A. Penetrating Liquid Floor Treatment: Prepare, apply, and finish penetrating liquid floor treatment according to manufacturer's written instructions. 1. Remove curing compounds, sealers, oil, dirt, laitance, and other contaminants and complete surface repairs. 2. Do not apply to concrete that is less than 14 days' old. 3. Apply liquid until surface is saturated, scrubbing into surface until a gel forms; rewet; and repeat brooming or scrubbing. Rinse with water; remove excess material until surface is dry. Apply a second coat in a similar manner if surface is rough or porous. B. Sealing Coat: Uniformly apply a continuous sealing coat of curing and sealing compound to hardened concrete by power spray or roller according to manufacturer's written instructions. 3.12 JOINT FILLING A. Prepare, clean, and install joint filler according to manufacturer's written instructions. 1. Defer joint filling until concrete has aged at least one month(s). Do not fill joints until construction traffic has permanently ceased. B. Remove dirt, debris, saw cuttings, curing compounds, and sealers from joints; leave contact faces of joints clean and dry. C. Install semi-rigid joint filler full depth in saw-cut joints and at least 2 inches deep in formed joints. Overfill joint and trim joint filler flush with top of joint after hardening. 3.13 CONCRETE SURFACE REPAIRS A. Defective Concrete: Repair and patch defective areas when approved by Architect. Remove and replace concrete that cannot be repaired and patched to Architect's approval. B. Patching Mortar: Mix dry-pack patching mortar, consisting of 1 part portland cement to 2-1/2 parts fine aggregate passing a No. 16 sieve, using only enough water for handling and placing. C. Repairing Formed Surfaces: Surface defects include color and texture irregularities, cracks, spalls, air bubbles, honeycombs, rock pockets, fins and other projections on the surface, and stains and other discolorations that cannot be removed by cleaning. 1. Immediately after form removal, cut out honeycombs, rock pockets, and voids more than 1/2 inch in any dimension to solid concrete. Limit cut depth to 3/4 inch. Make edges of cuts perpendicular to concrete surface. Clean, dampen with water, and brush-coat holes and voids with bonding agent. Fill and compact with patching mortar before bonding CAST-IN-PLACE CONCRETE 03 3000 - 15 agent has dried. Fill form-tie voids with patching mortar or cone plugs secured in place with bonding agent. 2. Repair defects on surfaces exposed to view by blending white portland cement and standard portland cement so that, when dry, patching mortar matches surrounding color. Patch a test area at inconspicuous locations to verify mixture and color match before proceeding with patching. Compact mortar in place and strike off slightly higher than surrounding surface. 3. Repair defects on concealed formed surfaces that affect concrete's durability and structural performance as determined by Architect. D. Repairing Unformed Surfaces: Test unformed surfaces, such as floors and slabs, for finish and verify surface tolerances specified for each surface. Correct low and high areas. Test surfaces sloped to drain for trueness of slope and smoothness; use a sloped template. 1. Repair finished surfaces containing defects. Surface defects include spalls, popouts, honeycombs, rock pockets, crazing and cracks in excess of 0.01 inch wide or that penetrate to reinforcement or completely through unreinforced sections regardless of width, and other objectionable conditions. 2. After concrete has cured at least 14 days, correct high areas by grinding. 3. Correct localized low areas during or immediately after completing surface finishing operations by cutting out low areas and replacing with patching mortar. Finish repaired areas to blend into adjacent concrete. 4. Correct other low areas scheduled to receive floor coverings with a repair underlayment. Prepare, mix, and apply repair underlayment and primer according to manufacturer's written instructions to produce a smooth, uniform, plane, and level surface. Feather edges to match adjacent floor elevations. 5. Correct other low areas scheduled to remain exposed with a repair topping. Cut out low areas to ensure a minimum repair topping depth of 1/4 inch to match adjacent floor elevations. Prepare, mix, and apply repair topping and primer according to manufacturer's written instructions to produce a smooth, uniform, plane, and level surface. 6. Repair defective areas, except random cracks and single holes 1 inch or less in diameter, by cutting out and replacing with fresh concrete. Remove defective areas with clean, square cuts and expose steel reinforcement with at least a 3/4-inch clearance all around. Dampen concrete surfaces in contact with patching concrete a

300 Monroe Avenue NW Grand Rapids,Michigan 49503Location

Address: 300 Monroe Avenue NW Grand Rapids,Michigan 49503

Country : United StatesState : Michigan

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