UTICA COMMUNITY SCHOOLS RESTROOM RENOVATIONS BROWNING ELEMENTARY SCHOOL DRESDEN ELEMENTARY SCHOOL STERLING HEIGHTS, MICHIGAN

Transcription

1 UTICA COMMUNITY SCHOOLS RESTROOM RENOVATIONS BROWNING ELEMENTARY SCHOOL DRESDEN ELEMENTARY SCHOOL STERLING HEIGHTS, MICHIGAN PROJECT MANUAL IDS Project No

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3 December 5, 2018 Bids Project Manual Utica Community Schools Browning Elementary School Dresden Elementary School Sterling Heights, Michigan INTEGRATED design SOLUTIONS architecture engineering interiors & technology 1441 W Long Lake Road, Suite 200 Troy, Michigan Cascade Road SE, Suite 300 Grand Rapids, Michigan , fax IDS Project No

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5 SECTION TABLE OF CONTENTS SECTION TITLE PAGES PROCUREMENT AND CONTRACTING REQUIREMENTS GROUP DIVISION 00 PROCUREMENT AND CONTRACTING REQUIREMENTS INTRODUCTORY INFORMATION Project Title Page... 1 only Table of Contents... 1 thru 3 PROCUREMENT REQUIREMENTS Refer to Procurement Requirements authored by the Construction Manager contained in a separate volume. SPECIFICATIONS GROUP GENERAL REQUIREMENTS SUBGROUP DIVISION 01 - GENERAL REQUIREMENTS Refer to Division 01 Sections authored by the Construction Manager contained in a separate volume. FACILITY CONSTRUCTION SUBGROUP DIVISION 02 EXISTING CONDITIONS Selective Demolition... 1 thru 6 DIVISION 03 - CONCRETE Cast-In-Place Concrete... 1 thru 10 DIVISION 04 - MASONRY Unit Masonry... 1 thru 11 DIVISION 05 - METALS Metal Fabrications... 1 thru 3 DIVISION 06 WOOD, PLASTICS AND COMPOSITES Not Applicable DIVISION 07 - THERMAL AND MOISTURE PROTECTION Firestopping... 1 thru Joint Sealants... 1 thru 4 DIVISION 08 - OPENINGS Hollow Metal Doors and Frames... 1 thru Door Hardware... 1 thru 5 DIVISION 09 - FINISHES Non-Structural Steel Framing... 1 thru Gypsum Board Assemblies... 1 thru Tiling... 1 thru 8 f:\2018\18158\1003\specs\ docx TABLE OF CONTENTS

6 Acoustical Panel Ceilings... 1 thru Resilient Wall Base and Accessories... 1 thru Epoxy Terrazzo Flooring... 1 thru Painting... 1 thru High-Performance Coatings... 1 thru 6 DIVISION 10 - SPECIALTIES Toilet Compartments... 1 thru Toilet and Bath Accessories... 1 thru 3 DIVISION 11 THRU DIVISION 14 Not Applicable FACILITIES SERVICES SUBGROUP DIVISION 21 FIRE SUPPRESSION Not Applicable DIVISION 22 PLUMBING Common Work Results for Mechanical... 1 thru Basic Mechanical Materials and Methods... 1 thru Common Motor Requirements for Mechanical... 1 thru General Duty Valves... 1 thru Hangers and Supports for Mechanical... 1 thru Mechanical Identification... 1 thru Piping Insulation... 1 thru Plumbing and HVAC Piping... 1 thru Plumbing Fixtures... 1 thru Plumbing Specialties... 1 thru Drinking Fountains and Water Coolers... 1 thru 4 DIVISION 23 HEATING, VENTILATING AND AIR-CONDITIONING (HVAC) Testing, Adjusting and Balancing for HVAC... 1 thru HVAC Instrumentation and Controls... 1 thru Fans... 1 thru Diffusers, Registers and Grilles... 1 thru 2 DIVISION 25 INTEGRATED AUTOMATION Not Applicable DIVISION 26 - ELECTRICAL Common Work Results for Electrical... 1 thru Low-Voltage Electrical Power Conductors and Cables... 1 thru Grounding and Bonding of Electrical Systems... 1 thru Raceways and Boxes for Electrical Systems... 1 thru Identification of Electrical Systems... 1 thru Lighting Control Devices... 1 thru Wiring Devices... 1 thru Enclosed Controllers... 1 thru Interior Lighting Systems... 1 thru 4 f:\2018\18158\1003\specs\ docx TABLE OF CONTENTS

7 DIVISION 27 - COMMUNICATIONS Not Applicable DIVISION 28 ELECTRONIC SAFETY AND SECURITY Fire Alarm System... 1 thru 5 SITE AND INFRASTRUCTURE SUBGROUP DIVISION 31 EARTHWORK Earthwork... 1 thru 3 DIVISION 32 EXTERIOR IMPROVEMENTS Not Applicable DIVISION 33 UTILITIES Not Applicable PROCESS EQUIPMENT SUBGROUP DIVISION 40 PROCESS INTEGRATION Not Applicable END OF TABLE OF CONTENTS f:\2018\18158\1003\specs\ docx TABLE OF CONTENTS

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9 PART 1 - GENERAL 1.1 RELATED DOCUMENTS SECTION SELECTIVE DEMOLITION 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: 1. Demolition and removal of selected portions of building or structure. 2. Salvage of existing items to be reused or recycled. B. Related Sections: 1. Refer to Section Acoustical Panel Ceilings for salvaging and modifying existing acoustical panel ceilings. 1.3 DEFINITIONS A. Remove: Detach items from existing construction and dispose of them off-site unless indicated to be salvaged or reinstalled. B. Remove and Salvage: Detach items from existing construction, in a manner to prevent damage, and deliver to Owner. C. Remove and Reinstall: Detach items from existing construction, in a manner to prevent damage, prepare for reuse, and reinstall where indicated. D. Existing to Remain: Leave existing items that are not to be removed and that are not otherwise indicated to be salvaged or reinstalled. 1.4 MATERIALS OWNERSHIP A. Utica Community Schools to have first right of refusal or retention of all doors, door hardware, framing, and all associated components being replaced, including any other items as indicated on Drawings. Contractor to store the above listed items on site and schedule review meeting with Owner before disposal. B. Unless otherwise indicated, demolition waste becomes property of Contractor. 1.5 PREDEMOLITION MEETINGS A. Predemolition Conference: Construction Manager will conduct conference at Project site. 1. Inspect and discuss condition of construction to be selectively demolished. 2. Review structural load limitations of existing structure. 3. Review and finalize selective demolition schedule and verify availability of materials, demolition personnel, equipment, and facilities needed to make progress and avoid delays. 4. Review requirements of work performed by other trades that rely on substrates exposed by selective demolition operations. 5. Review areas where existing construction is to remain and requires protection. f:\2018\18158\1003\specs\ docx SELECTIVE DEMOLITION

10 1.6 SUBMITTALS A. Proposed Protection Measures: Submit report, including Drawings, that indicates the measures proposed for protecting individuals and property, for environmental protection, for dust control and, for noise control. Indicate proposed locations and construction of barriers. B. Predemolition Photographs or Video: Show existing conditions of adjoining construction, including finish surfaces, that might be misconstrued as damage caused by demolition operations. Submit before Work begins. C. Inventory: Submit a list of items that have been removed and salvaged. 1.7 QUALITY ASSURANCE A. Demolition Firm Qualifications: An experienced firm that has specialized in demolition work similar in material and extent to that indicated for this Project. 1.8 FIELD CONDITIONS A. Owner will occupy portions of building immediately adjacent to selective demolition area. Conduct selective demolition so Owner's operations will not be disrupted. B. Conditions existing at time of inspection for bidding purpose will be maintained by Owner as far as practical. C. Notify Architect of discrepancies between existing conditions and Drawings before proceeding with selective demolition. D. Hazardous Materials: It is not expected that hazardous materials will be encountered in the Work. 1. If suspected hazardous materials are encountered, do not disturb; immediately notify Architect and Owner. Hazardous materials will be removed by Owner under a separate contract. E. Storage or sale of removed items or materials on-site is not permitted. F. Utility Service: Maintain existing utilities indicated to remain in service and protect them against damage during selective demolition operations. 1. Maintain fire-protection facilities in service during selective demolition operations. PART 2 - PRODUCTS 2.1 PERFORMANCE REQUIREMENTS A. Regulatory Requirements: Comply with governing EPA notification regulations before beginning selective demolition. Comply with hauling and disposal regulations of authorities having jurisdiction. B. Standards: Comply with ASSE A10.6 and NFPA 241. PART 3 - EXECUTION 3.1 EXAMINATION A. Survey of Existing Conditions: Record existing conditions by use of preconstruction photographs or video. f:\2018\18158\1003\specs\ docx SELECTIVE DEMOLITION

11 1. Inventory and record the condition of items to be removed and salvaged. Provide photographs or video of conditions that might be misconstrued as damage caused by salvage operations. B. When unanticipated mechanical, electrical, or structural elements that conflict with intended function or design are encountered, investigate and measure the nature and extent of conflict. Promptly submit a written report to Architect. C. Perform surveys as the Work progresses to detect hazards resulting from selective demolition activities. 3.2 UTILITY SERVICES AND MECHANICAL/ELECTRICAL SYSTEMS A. Existing Services/Systems to Remain: Maintain services/systems indicated to remain and protect them against damage. B. Existing Services/Systems to Be Removed, Relocated, or Abandoned: Locate, identify, disconnect, and seal or cap off utility services and mechanical/electrical systems serving areas to be selectively demolished. 1. Coordinate with Owner to arrange shut off of indicated services/systems. 2. If services/systems are required to be removed, relocated, or abandoned, provide temporary services/systems that bypass area of selective demolition and that maintain continuity of services/systems to other parts of building. 3. Disconnect, demolish, and remove fire-suppression systems, plumbing, and HVAC systems, equipment, and components indicated on Drawings to be removed. a. Piping to Be Removed: Remove portion of piping indicated to be removed and cap or plug remaining piping with same or compatible piping material. b. Piping to Be Abandoned in Place: Drain piping and cap or plug piping with same or compatible piping material and leave in place. c. Equipment to Be Removed: Disconnect and cap services and remove equipment. d. Equipment to Be Removed and Reinstalled: Disconnect and cap services and remove, clean, and store equipment; when appropriate, reinstall, reconnect, and make equipment operational. e. Equipment to Be Removed and Salvaged: Disconnect and cap services and remove equipment and deliver to Owner. f. Ducts to Be Removed: Remove portion of ducts indicated to be removed and plug remaining ducts with same or compatible ductwork material. g. Ducts to Be Abandoned in Place: Cap or plug ducts with same or compatible ductwork material and leave in place. 4. Additional Requirements: Refer to Divisions 21, 22, 23, and 26 for demolition of mechanical and electrical systems. 3.3 PROTECTION A. Temporary Protection: Provide temporary barricades and other protection required to prevent injury to people and damage to adjacent buildings and facilities to remain. 1. Provide protection to ensure safe passage of people around selective demolition area and to and from occupied portions of building. 2. Protect walls, ceilings, floors, and other existing finish work that are to remain or that are exposed during selective demolition operations. 3. Cover and protect furniture, furnishings, and equipment that have not been removed. 4. Comply with any additional requirements for temporary enclosures, dust control, heating, and cooling specified in Division 01. B. Remove temporary barricades and protections where hazards no longer exist. f:\2018\18158\1003\specs\ docx SELECTIVE DEMOLITION

12 3.4 POLLUTION CONTROLS A. Dust Control: Use water mist, temporary enclosures, and other suitable methods to limit spread of dust and dirt. 1. Do not use water when it may damage existing construction or create hazardous or objectionable conditions, such as ice, flooding, and pollution. 2. Wet mop floors to eliminate trackable dirt and wipe down walls and doors of demolition enclosure. Vacuum carpeted areas. B. Disposal: Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas. 1. Remove debris from elevated portions of building by chute, hoist, or other device that will convey debris to grade level in a controlled descent. 3.5 SELECTIVE DEMOLITION, GENERAL A. General: Demolish and remove existing construction only to the extent required by new construction and as indicated. Use methods required to complete the Work within limitations of governing regulations and as follows: 1. Proceed with selective demolition systematically, from higher to lower level. Complete selective demolition operations above each floor or tier before disturbing supporting members on the next lower level. 2. Neatly cut openings and holes plumb, square, and true to dimensions required. Use cutting methods least likely to damage construction to remain or adjoining construction. Use hand tools or small power tools designed for sawing or grinding, not hammering and chopping. Temporarily cover openings to remain. 3. Cut or drill from the exposed or finished side into concealed surfaces to avoid marring existing finished surfaces. 4. Do not use cutting torches until work area is cleared of flammable materials. At concealed spaces, such as duct and pipe interiors, verify condition and contents of hidden space before starting flamecutting operations. Maintain portable fire-suppression devices during flame-cutting operations. 5. Maintain adequate ventilation when using cutting torches. 6. Locate selective demolition equipment and remove debris and materials so as not to impose excessive loads on supporting walls, floors, or framing. 7. Dispose of demolished items and materials promptly. B. Site Access and Temporary Controls: Conduct selective demolition and debris-removal operations to ensure minimum interference with roads, streets, walks, walkways, and other adjacent occupied and used facilities. C. Removed and Salvaged Items: 1. Clean salvaged items. 2. Pack or crate items after cleaning. Identify contents of containers. 3. Store items in a secure area until delivery to Owner. 4. Transport items to Owner's storage area on-site as designated by Owner. 5. Protect items from damage during transport and storage. D. Removed and Reinstalled Items: 1. Clean and repair items to functional condition adequate for intended reuse. 2. Pack or crate items after cleaning and repairing. Identify contents of containers. 3. Protect items from damage during transport and storage. f:\2018\18158\1003\specs\ docx SELECTIVE DEMOLITION

13 4. Reinstall items in locations indicated. Comply with installation requirements for new materials and equipment. Provide connections, supports, and miscellaneous materials necessary to make item functional for use indicated. E. Existing Items to Remain: Protect construction indicated to remain against damage and soiling during selective demolition. When permitted by Architect, items may be removed to a suitable, protected storage location during selective demolition and cleaned and reinstalled in their original locations after selective demolition operations are complete. 3.6 SELECTIVE DEMOLITION PROCEDURES FOR SPECIFIC MATERIALS A. Concrete: Demolish in sections. Cut concrete full depth at junctures with construction to remain and at regular intervals using power-driven saw, and then remove concrete between saw cuts. B. Masonry: Demolish in small sections. Cut masonry at junctures with construction to remain, using powerdriven saw, and then remove masonry between saw cuts. C. Resilient Floor Coverings: Remove floor coverings and adhesive according to recommendations in RFCI's "Recommended Work Practices for the Removal of Resilient Floor Coverings." 1. Remove all residual adhesive and prepare substrate for new floor coverings as recommended by RFCI. D. Miscellaneous: 1. Remove all miscellaneous fasteners, anchors, brackets, not required for the structural integrity of the wall or ceiling surfaces. 2. Remove all existing joint sealants remaining after removal of adjacent construction. 3. Remove all existing mortar remaining on existing masonry walls after removal of an intersecting masonry wall. 3.7 PATCHING AND REPAIRS A. General: Promptly repair damage to adjacent construction caused by demolition operations. B. Repairs: Where repairs to existing surfaces are required, patch to produce surfaces suitable for new materials. 1. Completely fill holes and depressions in existing masonry walls that are to remain with an approved masonry patching material applied according to manufacturer's written recommendations. C. Finishes: Restore exposed finishes of patched areas and extend restoration into adjoining construction in a manner that eliminates evidence of patching and refinishing. 3.8 DISPOSAL OF DEMOLISHED MATERIALS A. Remove demolition waste materials from Project site and dispose of them in an EPA-approved construction and demolition waste landfill acceptable to authorities having jurisdiction. 1. Do not allow demolished materials to accumulate on-site. 2. Remove and transport debris in a manner that will prevent spillage on adjacent surfaces and areas. 3. Remove debris from elevated portions of building by chute, hoist, or other device that will convey debris to grade level in a controlled descent. B. Burning: Do not burn demolished materials. f:\2018\18158\1003\specs\ docx SELECTIVE DEMOLITION

14 3.9 CLEANING A. Clean adjacent structures and improvements of dust, dirt, and debris caused by selective demolition operations. Return adjacent areas to condition existing before selective demolition operations began. END OF SECTION f:\2018\18158\1003\specs\ docx SELECTIVE DEMOLITION

15 PART 1 - GENERAL 1.1 RELATED DOCUMENTS SECTION CAST-IN-PLACE CONCRETE 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. This Section specifies cast-in place concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes, for the following: 1. Slabs-on-grade infill. B. Related Sections include the following: 1. Section "Earthwork" for granular fill under slabs-on-grade. 1.3 DEFINITIONS A. Cementitious Materials: Portland cement alone or in combination with one or more of the following: blended hydraulic cement, fly ash and other pozzolans, ground granulated blast-furnace slag, and silica fume; subject to compliance with requirements. B. W/C Ratio: The ratio by weight of water to cementitious materials. 1.4 SUBMITTALS A. Product Data: For each type of product indicated. B. Design Mixtures: For each concrete mixture. Submit alternate design mixtures when characteristics of materials, Project conditions, weather, test results, or other circumstances warrant adjustments. C. 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. D. Samples: For vapor retarder. E. Welding certificates. F. Material Certificates: For each of the following, signed by manufacturers: 1. Cementitious materials. 2. Admixtures. 3. Form materials and form-release agents. 4. Steel reinforcement and accessories. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

16 G. Material Test Reports: For the following, from a qualified testing agency, indicating compliance with requirements: 1. Aggregates. Include service record data indicating absence of deleterious expansion of concrete due to alkali aggregate reactivity. H. Field quality-control reports. 1.5 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 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 authorities having jurisdiction, qualified according to ASTM C 1077 and ASTM E 329 for testing indicated. D. Welding Qualifications: Qualify procedures and personnel according to AWS D DELIVERY, STORAGE, AND HANDLING A. Steel Reinforcement: Deliver, store, and handle steel reinforcement to prevent bending and damage. 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, "Specification for Structural Concrete of Buildings." 2. ACI 117, "Specifications for Tolerances for Concrete Construction and Materials." 3. ACI 211, Practice for Selecting Proportions for Normal, Heavyweight and Mass Concrete. 4. ACI 302.1R, "Guide for Concrete Floor and Slab Construction". 5. ACI 304R, "Guide for Measuring, Mixing, Transporting and Placing Concrete". 6. ACI 305R, Hot Weather Concreting". 7. ACI 306.1, "Standard Specification for Cold Weather Concreting". 8. ACI 308, "Standard Practice for Curing Concrete". 9. ACI 309R, "Guide for Consolidation of Concrete". 10. ACI 315, Details and Detailing of Concrete Reinforcement. 11. ACI 315R, Manual of Engineering and Placing Drawings for Reinforced Concrete Structures. 12. ACI 318, "Building Code Requirements for Structural Concrete." 13. Concrete Reinforcing Steel Institute (CRSI) "Manual of Standard Practice." 2.2 STEEL REINFORCEMENT A. Reinforcing Bars: ASTM A 615, Grade 60, deformed. B. Plain-Steel Wire: ASTM A 82, as drawn. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

17 C. Plain-Steel Welded Wire Reinforcement: ASTM A 185, plain, fabricated from as-drawn steel wire into flat sheets. 2.3 REINFORCEMENT ACCESSORIES A. Joint Dowel Bars: ASTM A 615, Grade 60, plain-steel bars, cut bars 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. 2.4 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 one source, and obtain admixtures through one source from a single manufacturer. B. Cementitious Materials: 1. Portland Cement: ASTM C 150, Type I or Type III, gray. C. Fly Ash: ASTM C 618, Class C or F. D. Normal-Weight Aggregates: ASTM C 33, coarse aggregate, graded. Provide aggregates from a single source and as follows:: 1. Class: Not less than 4S for flatwork. 2. Maximum Coarse-Aggregate Size: 1-1/2 inches nominal. 3. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement. E. Air-Entraining Admixture: ASTM C 260. F. Chemical Admixtures: Provide admixtures certified by manufacturer to be compatible with other admixtures and that will 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. Water-Reducing and Retarding Admixture: ASTM C 494, Type D. 4. High-Range, Water-Reducing Admixture: ASTM C 494, Type F. 5. High-Range, Water-Reducing and Retarding Admixture: ASTM C 494, Type G. 6. Plasticizing and Retarding Admixture: ASTM C 1017, Type II. G. Concrete Water Vapor Reducing Admixture (WVRA): A complex admixture for cementitious materials, free of volatile organic compounds (VOC), designed to naturally chemically react with pre-existing elements within the cementitious material to eliminate the route of moisture vapor emission by integrally and permanently closing the capillary system in the concrete and also makes the concrete impermeable to salt, with the following characteristics: f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

18 1. Waterproofing: Minimum cm/s in accordance with ASTM D Toxicity: None. 3. Flammability: None. 4. Flammability: None. 5. Solvent: Water. 6. Acid Resistance: Excellent. 7. Hazardous Vapors: None. 8. Capillary Break: Calcium Silicate Hydrate. 9. Installation: All cementitious materials. 10. VOC Levels: Zero (0). 11. Inhibit mold and bacteria growth by eliminating moisture vapor emission 12. Products: a. Vapor Lock 20/20; Specialty Products Group (SPG); H. Water: ASTM C 94 and potable. 2.5 VAPOR RETARDERS A. Plastic Vapor Retarder: ASTM E 1745, Class A, minimum 15 mils thick. Include manufacturer's recommended pressure-sensitive tape. 1. Products: 2.6 CURING MATERIALS a. Fortifiber Corporation; Moistop Ultra A/15. b. Insulation Solutions, Inc.; Viper VaporCheck 16. c. Raven Industries Inc.; Vapor Block 15. d. Stego Industries, LLC; Stego Wrap, 15 mil. e. Strata Systems, Inc.; Strata Barrier 16 mils f. W. R. Meadows, Inc.; Perminator, 15 mil. 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. 2.7 RELATED MATERIALS A. 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: 1. Types IV and V, load bearing, for bonding hardened or freshly mixed concrete to hardened concrete. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

19 2.8 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 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. 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, high-range water-reducing or plasticizing admixture in concrete, as required, for placement and workability. a. Slump Limit for Concrete Containing High-Range Water-Reducing Admixture or Plasticizing Admixture: 8 inches for concrete with verified slump of 2 to 4 inches before adding admixture, plus or minus 1 inch. 2. Use water-reducing and retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions. a. Maximum Slump for Concrete Containing Low-Range Water-Reducing Admixture: 6 inches for concrete with verified slump of 2 to 4 inches before adding admixture. b. Maximum Slump for Concrete Containing Mid-Range Water-Reducing Admixture: 5 inches for concrete with verified slump of 2 to 4 inches before adding admixture. 3. Use water-reducing admixture in pumped concrete and concrete with a water-cementitious materials ratio below Use water vapor reducing admixture (WVRA) in all concrete. 2.9 CONCRETE MIXTURES FOR BUILDING ELEMENTS A. Interior Slabs-On-Grade, Existing Slab Infill and Equipment Pads: Proportion normal-weight concrete mixture as follows: 1. Minimum Compressive Strength: 4000 psi at 28 days. 2. Minimum Cement Content: 470 lbs./cu.yd. 3. Maximum Water-Cementitious Materials Ratio: Maximum Slump: 4 inches (without admixtures). a. Use water-reducing or plasticizing admixture as required, for placement/pumped concrete and workability 5. Air Content: Do not allow air content of troweled finished floors to exceed 3 percent. 6. Fly Ash: Maximum 25 percent by weight of cementitious material. 7. Water Vapor Reducing Admixture: At manufacturer s recommended dosage. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

20 2.10 FABRICATING REINFORCEMENT A. Fabricate steel reinforcement according to CRSI's "Manual of Standard Practice." 2.11 CONCRETE MIXING A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to ASTM C 94, and furnish batch ticket information. 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. 2. Provide batch ticket for each batch discharged and used in the Work, indicating Project identification name and number, date, mixture type, mixture time, quantity, and amount of water added. Record approximate location of final deposit in structure. PART 3 - EXECUTION 3.1 VAPOR RETARDERS A. Plastic Vapor Retarders: Place, protect, and repair vapor retarders according to ASTM E 1643 and manufacturer's written instructions. 1. Place vapor retarder sheeting in position with longest dimension parallel with direction of pour. 2. Lap joints 6 inches and seal with manufacturer's recommended pressure-sensitive tape. Clean vapor retarder at area of tape to be free from dust, dirt and moisture to allow maximum adhesion of pressure sensitive tape. 3. All pipe, conduit, rebar, wire penetrations and blockouts penetrations must be sealed using vapor barrier and pressure sensitive tape according to manufacturer s instructions. 3.2 STEEL REINFORCEMENT A. General: Comply with CRSI's "Manual of Standard Practice" for placing reinforcement. 1. Do not cut or puncture vapor retarder. Repair damage and reseal vapor retarder before placing concrete. B. Clean reinforcement of loose rust and mill scale, earth, ice, and other foreign materials that would 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. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

21 3.3 JOINTS A. General: Construct joints true to line with faces perpendicular to surface plane of concrete. B. Use a bonding agent at locations where fresh concrete is placed against hardened or partially hardened concrete surfaces. C. Doweled Joints: Install dowel bars and support assemblies at joints where indicated. Lubricate or asphalt coat one-half of dowel length to prevent concrete bonding to one side of joint. 3.4 CONCRETE PLACEMENT A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections have been performed. B. Do not add water to concrete during delivery, at Project site, or during placement. C. 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 darbies to form a uniform and open-textured surface plane, before excess bleedwater appears on the surface. Do not further disturb slab surfaces before starting finishing operations. D. Cold-Weather Placement: Comply with ACI and as follows. Protect concrete work from physical damage or reduced strength that could be caused by frost, freezing actions, or low temperatures. 1. Do not use calcium chloride, salt, or other materials containing antifreeze agents. 2. Do not use chemical accelerators unless otherwise specified and approved in mixture designs. E. 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. 3.5 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. Float Finish: Consolidate surface with power-driven floats or by hand floating if area is small or inaccessible to power driven floats. Restraighten, cut down high spots, and fill low spots. Repeat float passes and restraightening until surface is left with a uniform, smooth, granular texture. 1. Apply float finish to surfaces to receive trowel finish. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

22 C. Trowel Finish: After applying float finish, apply first troweling and consolidate concrete by hand or powerdriven 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 traffic coating, resilient flooring, carpet, ceramic or quarry tile, 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) 35; and of levelness, F(L) 25; with minimum local values of flatness, F(F) 24; and of levelness, F(L) 17; for slabs-on-grade. 3.6 CONCRETE PROTECTING AND CURING A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI for cold-weather protection and ACI 301 for hot-weather protection during curing. B. Cure concrete according to ACI 308.1, by one or a combination of the following method: 1. For interior slabs-on-grade and slab infills: a. Moisture-Retaining-Cover Curing. C. 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. 3.7 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 one part portland cement to two and one-half parts fine aggregate passing a No. 16 sieve, using only enough water for handling and placing. C. Repairing Floor and Slab Surfaces: Test 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 by cutting out low areas and replacing with fresh concrete. Finish repaired areas to blend into adjacent concrete. 4. 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 and apply bonding agent. Mix patching concrete of same materials and mixture as original concrete except without coarse aggregate. Place, compact, and finish to blend with adjacent finished concrete. Cure in same manner as adjacent concrete. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

23 5. Repair random cracks and single holes 1 inch or less in diameter with patching mortar. Groove top of cracks and cut out holes to sound concrete and clean off dust, dirt, and loose particles. Dampen cleaned concrete surfaces and apply bonding agent. Place patching mortar before bonding agent has dried. Compact patching mortar and finish to match adjacent concrete. Keep patched area continuously moist for at least 72 hours. D. Repair materials and installation not specified above may be used, subject to Architect's approval. 3.8 FIELD QUALITY CONTROL A. Testing and Inspecting: Owner will engage a qualified testing and inspecting agency to perform field tests and inspections and prepare test reports. B. Concrete Tests: Testing of composite samples of fresh concrete obtained according to ASTM C 172 shall be performed according to the following requirements: 1. Testing Frequency: Obtain one composite sample for each day's pour of each concrete mixture exceeding 5 cu. yd., but less than 25 cu. yd., plus one set for each additional 50 cu. yd. or fraction thereof. a. When frequency of testing will provide fewer than five compressive-strength tests for each concrete mixture, testing shall be conducted from at least five randomly selected batches or from each batch if fewer than five are used. 2. Slump: ASTM C 143; one test at point of placement for each truckload. Perform additional tests when concrete consistency appears to change. 3. Air Content: ASTM C 231, pressure method, for normal-weight concrete; one test for each composite sample, but not less than one test for each day's pour of each concrete mixture. 4. Concrete Temperature: ASTM C 1064; one test hourly when air temperature is 40 deg F and below and when 80 deg F and above, and one test for each composite sample. 5. Unit Weight: ASTM C 567, fresh unit weight of structural lightweight concrete; one test for each composite sample, but not less than one test for each day's pour of each concrete mixture. 6. Compression Test Specimens: ASTM C 31. a. Cast and laboratory cure two sets of two standard cylinder specimens for each composite sample. 7. Compressive-Strength Tests: ASTM C 39; test one set of two laboratory-cured specimens at 7 days and one set of two specimens at 28 days. a. A compressive-strength test shall be the average compressive strength from a set of two specimens obtained from same composite sample and tested at age indicated. 8. Strength of each concrete mixture will be satisfactory if every average of any three consecutive compressive-strength tests equals or exceeds specified compressive strength and no compressivestrength test value falls below specified compressive strength by more than 500 psi. 9. Test results shall be reported in writing to Architect, Construction Manager, concrete manufacturer, and Contractor within 48 hours of testing. Reports of compressive-strength tests shall contain Project identification name and number, date of concrete placement, name of concrete testing and inspecting agency, location of concrete batch in Work, design compressive strength at 28 days, concrete mixture proportions and materials, compressive breaking strength, and type of break for both 7- and 28-day tests. 10. Nondestructive Testing: Impact hammer, sonoscope, or other nondestructive device may be permitted by Architect but will not be used as sole basis for approval or rejection of concrete. f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

24 11. Additional Tests: Testing and inspecting agency shall make additional tests of concrete when test results indicate that slump, air entrainment, compressive strengths, or other requirements have not been met, as directed by Architect. Testing and inspecting agency may conduct tests to determine adequacy of concrete by cored cylinders complying with ASTM C 42 or by other methods as directed by Architect. 12. Additional testing and inspecting, at Contractor's expense, will be performed to determine compliance of replaced or additional work with specified requirements. 13. Correct deficiencies in the Work that test reports and inspections indicate dos not comply with the Contract Documents. C. Measure floor and slab flatness and levelness according to ASTM E 1155 within 48 hours of finishing. END OF SECTION f:\2018\18158\1003\specs\ docx CAST-IN-PLACE CONCRETE

25 PART 1 - GENERAL 1.1 RELATED DOCUMENTS SECTION UNIT MASONRY ASSEMBLIES 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. This Section includes unit masonry assemblies consisting of the following: 1. Concrete masonry units (CMUs). 2. Glazed concrete masonry units. 3. Face brick. 4. Mortar and grout. 5. Masonry joint reinforcement. 6. Ties and anchors. 1.3 PERFORMANCE REQUIREMENTS A. Provide unit masonry that develops indicated net-area compressive strengths (f' m ) at 28 days. B. Determine net-area compressive strength (f' m ) of masonry from average net-area compressive strengths of masonry units and mortar types (unit-strength method) according to Tables 1 and 2 in ACI 530.1/ASCE 6/TMS SUBMITTALS A. Product Data: For each type of product indicated. B. Samples for Verification: For each type and color of the following: 1. Face brick, in the form of straps or boards of five or more bricks. 2. Glazed concrete masonry units.. C. Material Certificates: Include statements of material properties indicating compliance with requirements including compliance with standards and type designations within standards. Provide for each type and size of the following: 1. Masonry units. a. Include material test reports substantiating compliance with requirements. b. For bricks, include size-variation data verifying that actual range of sizes falls within specified tolerances. c. For exposed brick, include material test report for efflorescence according to ASTM C 67. d. For masonry units used in structural masonry, include data and calculations establishing average net-area compressive strength of units. 2. Cementitious materials. Include brand, type, and name of manufacturer. 3. Preblended, dry mortar mixes. Include description of type and proportions of ingredients. F:\2018\18158\1003\Specs\ docx UNIT MASONRY ASSEMBLIES

26 4. Grout mixes. Include description of type and proportions of ingredients. 5. Reinforcing bars. 6. Joint reinforcement. 7. Anchors, ties, and metal accessories. D. Mix Designs: For each type of mortar and grout. Include description of type and proportions of ingredients. 1. Include test reports, per ASTM C 780, for mortar mixes required to comply with property specification. 2. Include test reports, per ASTM C 1019, for grout mixes required to comply with compressive strength requirement. E. Statement of Compressive Strength of Masonry: For each combination of masonry unit type and mortar type, provide statement of average net-area compressive strength of masonry units, mortar type, and resulting net-area compressive strength of masonry determined according to Tables 1 and 2 in ACI 530.1/ASCE 6/TMS QUALITY ASSURANCE A. Testing Agency Qualifications: An independent agency qualified according to ASTM C 1093 for testing indicated, as documented according to ASTM E 548. B. Source Limitations for Masonry Units: Obtain exposed masonry units of a uniform texture and color, or a uniform blend within the ranges accepted for these characteristics, through one source from a single manufacturer for each product required. C. Source Limitations for Mortar Materials: Obtain mortar ingredients of a uniform quality, including color for exposed masonry, from a single manufacturer for each cementitious component and from one source or producer for each aggregate. D. Fire-Resistance Ratings: Where indicated, provide materials and construction identical to those of assemblies with fire-resistance ratings determined per ASTM E 119 by a testing and inspecting agency, by equivalent concrete masonry thickness, or by other means, as acceptable to authorities having jurisdiction. 1.6 DELIVERY, STORAGE, AND HANDLING A. Store masonry units on elevated platforms in a dry location. If units are not stored in an enclosed location, cover tops and sides of stacks with waterproof sheeting, securely tied. If units become wet, do not install until they are dry. B. Store cementitious materials on elevated platforms, under cover, and in a dry location. Do not use cementitious materials that have become damp. C. Store aggregates where grading and other required characteristics can be maintained and contamination avoided. D. Deliver preblended, dry mortar mix in moisture-resistant containers designed for lifting and emptying into dispensing silo. Store preblended, dry mortar mix in delivery containers on elevated platforms, under cover, and in a dry location or in a metal dispensing silo with weatherproof cover. E. Store masonry accessories, including metal items, to prevent corrosion and accumulation of dirt and oil. F:\2018\18158\1003\Specs\ docx UNIT MASONRY ASSEMBLIES

27 1.7 PROJECT CONDITIONS A. Stain Prevention: Prevent grout, mortar, and soil from staining the face of masonry to be left exposed or painted. Immediately remove grout and mortar that come in contact with such masonry. 1. Protect floors and base of walls from mortar splatter by spreading coverings on floor and over wall surface. B. Cold-Weather Requirements: Do not use frozen materials or materials mixed or coated with ice or frost. Do not build on frozen subgrade or setting beds. Remove and replace unit masonry damaged by frost or freezing conditions. Comply with the following requirements: 1. Preparation: PART 2 - PRODUCTS a. Remove any ice or snow formed on masonry bed by carefully applying heat until top surface is dry to the touch. b. Do not lay masonry units having a temperature below 20 degrees F. c. For brick units with initial rates of absorption (suction) which require them to be wetted before laying, comply with the following requirements. 2.1 MASONRY UNITS, GENERAL 1) For units with surface temperatures above 32 degrees F, wet with water heated to above 70 degrees F. 2) For units with surface temperatures below 32 degrees F, wet with water heated to above 130 degrees F. A. Defective Units: Referenced masonry unit standards may allow a certain percentage of units to exceed tolerances and to contain chips, cracks, or other defects exceeding limits stated in the standard. Do not uses units where such defects, including dimensions that vary from specified dimensions by more than stated tolerances, will be exposed in the completed Work or will impair the quality of completed masonry. 2.2 CONCRETE MASONRY UNITS (CMUs) A. Shapes: Provide shapes indicated and as follows: 1. Provide special shapes for lintels, corners, jambs, sashes, movement joints, headers, bonding, and other special conditions. 2. Provide bullnose units for outside corners, unless otherwise indicated. a. Field grinding of bullnose corners is not acceptable. B. Concrete Masonry Units: ASTM C Unit Compressive Strength: Provide units with minimum average net-area compressive strength of 2150 psi. 2. Weight Classification: Medium weight or normal weight. 3. Size (Width): Manufactured to the following dimensions: a. Nominal face dimension of 16 inches long x 8 inches high (15-5/8 inches x 7-5/8 inches actual) x 3/8 inch less than nominal widths indicated on Drawings. F:\2018\18158\1003\Specs\ docx UNIT MASONRY ASSEMBLIES

28 4. Exposed Faces: Provide color and texture matching the range represented by Architect's sample. C. Pre-faced Concrete Masonry Units: Lightweight or medium weight concrete units complying with ASTM C 90 with manufacturer's standard smooth resinous facing complying with ASTM C Unit Compressive Strength: Provide units with minimum average net-area compressive strength of 2150 psi. 2. Size: Manufactured to dimensions specified in "Concrete Masonry Units" Paragraph above, but with pre-faced surfaces having 1/16-inch-wide returns of facing to create 1/4-inch-wide mortar joints with modular coursing. 3. Shapes: Cove base and jamb units. 4. Colors: Any color as it will be painted with epoxy paint. 5. Products: a. Astra-Glaze-SW+; Trenwyth b. Premier glazed block; Premier Block Company 2.3 CONCRETE MASONRY LINTELS A. General: Provide either concrete or masonry lintels, at Contractor's option, complying with requirements below. B. Masonry Lintels: For concrete masonry unit walls where lintel is exposed to view, use prefabricated or builtin-place masonry lintels made from bond beam concrete masonry units with reinforcing bars placed as indicated and filled with coarse grout. Cure precast lintels before handling and installing. Temporarily support built-in-place lintels until cured. Lintel Section Clear Span to x 8 1-#4 1-#4 1-#4 2-#4 2-#5 8 x 8 1-#4 2-#4 2-#4 2-#5 2-#5 2-#5 2-#6 2-#6 (B) 2-#5 (T) C. Concrete Lintels: At Contractor s option, for concrete masonry unit walls where lintel is not exposed to view, use precast units made from concrete matching concrete masonry units in color, texture, and compressive strength and with reinforcing bars indicated or required to support loads indicated. Cure precast lintels by same method used for concrete masonry units. 2.4 BRICK A. Face Brick: ASTM C 216, Grade SW, Type FBS. 1. Unit Compressive Strength: Provide units with minimum average net-area compressive strength of 3000 psi. 2. Initial Rate of Absorption: Less than 30 g/30 sq. in. per minute when tested per ASTM C Efflorescence: Provide brick that has been tested according to ASTM C 67 and is rated "not effloresced." 4. Size (Actual Dimensions) Modular Brick: 3-5/8 inches wide by 2-1/4 inches high by 7-5/8 inches long. 5. Products: a. Any modular sized brick with texture to match existing as it will be epoxy painted.. F:\2018\18158\1003\Specs\ docx UNIT MASONRY ASSEMBLIES