This Addendum is directed to all prime Contract Bidders, and all others to whom Drawings and Specifications have been issued by the Architect.

Transcription

1 NORTHWEST-SHOALS COMMUNITY COLLEGE ADDENDUM #5 PART - GENERAL Project: Carpentry Shop Expansion B.C. # Owner: Northwest-Shoals Community College Architect: Aho Architects, LLC Date Issued: 8/7/207 This Addendum is directed to all prime Contract Bidders, and all others to whom Drawings and Specifications have been issued by the Architect. This Addendum forms a part of the Contract Documents. The following conditions take precedence over any conflicting conditions in the Drawings and Specifications. The Drawings and Specifications are hereby amended in the following particulars:. CLARIFICATIONS A. The existing gazebo will be relocated by the Owner prior to the start of construction. B. The existing tree stump and root to be removed by the contractor..2 REVISIONS (SPECIFICATIONS) A. Replace Proposal Form (ABC Form C-3) with revised Proposal Form attached. B. Add specification Alternates. C. Add specification Cast-In-Place Concrete.3 REVISIONS (DRAWINGS) A. A00 Provide a concrete walkway at door 5. Provide a concrete, landing, stair and rails at door 6. The concrete slab and foundation scope is extended under Alternate #. B. S. The concrete slab and foundation scope is extended under Alternate #. C. MP Provide Elkay EZS8L ADA (EWC-2) instead of the type currently indicated on the plumbing fixture schedule in the Existing Carpentry Shop. JOB NO PAGE OF 2

2 NORTHWEST-SHOALS COMMUNITY COLLEGE ADDENDUM #5 D. E The disconnect for the future paint booth and associated conduit and wiring shall be removed from the scope of this project..4 ATTACHMENTS Alternates Cast-In-Place Concrete ASD- ASD-2 S. END OF ADDENDUM #5 JOB NO PAGE 2 OF 2

3 PROPOSAL FORM ABC Form C 3 August 200 To: Northwest-Shoals Community College Date: (Awarding Authority) In compliance with your request for bids and subject to all the conditions thereof, the undersigned (Legal Name of Bidder) hereby proposes to furnish all labor and materials and perform all work required for the construction of the MISCELLANEOUS PROJECTS PACKAGE B (AHO ARCHITECTS, LLC #500.0) TO BE COMPLETED IN 90 CALENDAR DAYS in accordance with Drawings and Specifications, dated 6/5/207, prepared by Aho Architects, LLC. The Bidder, which is organized and existing under the laws of the State of, having its principal offices in the City of, is: a Corporation a Partnership an individual (other) LISTING OF PARTNERS OR OFFICERS: If Bidder is a Partnership, list all partners and their addresses; if Bidder is a Corporation, list the names, titles, and business addresses of its officers: BIDDER S REPRESENTATION: The Bidder declares that it has examined the site of the Work, having become fully informed regarding all pertinent conditions, and that it has examined the Drawings and Specifications (including all Addenda received) for the Work and the other Bid and Contract Documents relative thereto, and that it has satisfied itself relative to the Work to be performed. ADDENDA: The Bidder acknowledges receipt of Addenda Nos. through inclusively. Sales tax is not to be included in bids below. List taxes as directed in attached Form C-3A and per Section BASE BID: For construction complete as shown and specified, the sum of Dollars ($ ) ALTERNATES (See Specification Section for more information) ALTERNATE # (ADD): Provide concrete slab, vapor barrier, reinforcement, foundation and associated work as indicated. Dollars ($ ) BID SECURITY: The undersigned agrees to enter into a Construction Contract and furnish the prescribed Performance and Payment Bonds and evidence of insurance within fifteen calendar days, or such other period stated in the Bid Documents, after the contract forms have been presented for signature, provided such presentation is made within 45 calendar days after the opening of bids, or such other period stated in the Bid Documents. As security for this condition, the undersigned further agrees that the funds represented by the Bid Bond (or cashier s check) attached hereto may be called and paid into the account of the Awarding Authority as liquidated damages for failure to so comply. Page of 2

4 ABC Form C 3 August 200 Attached hereto is a: (Mark the appropriate box and provide the applicable information.) Bid Bond, executed by as Surety, a cashier s check on the Bank of, for the sum of Dollars ($ ) made payable to the Awarding Authority. BIDDER S ALABAMA LICENSE: State License for General Contracting: License Number Bid Limit Type(s) of Work CERTIFICATIONS: The undersigned certifies that he or she is authorized to execute contracts on behalf of the Bidder as legally named, that this proposal is submitted in good faith without fraud or collusion with any other bidder, that the information indicated in this document is true and complete, and that the bid is made in full accord with State law. Notice of acceptance may be sent to the undersigned at the address set forth below. The Bidder also declares that a list of all proposed major subcontractors and suppliers will be submitted at a time subsequent to the receipt of bids as established by the Architect in the Bid Documents but in no event shall this time exceed twenty-four (24) hours after receipt of bids. Certification Pursuant To Act No : Alabama Law (Section 4-4-6, Code of Alabama 975) provides that every bid submitted and contract executed shall contain a certification that the vendor, contractor, and all of its affiliates that make sales for delivery into Alabama or leases for use in Alabama are registered, collecting, and remitting Alabama state and local sales, use, and/or lease tax on all taxable sales and leases into Alabama. By submitting this bid, the bidder is hereby certifying that they are in full compliance with Act No , they are not barred from bidding or entering into a contract pursuant to 4-4-6, and acknowledges that the awarding authority may declare the contract void if the certification is false. Legal Name of Bidder Mailing Address * By (Legal Signature) * Name (type or print) (Seal) * Title Telephone Number * If other than the individual proprietor, or an above named member of the Partnership, or the above named president, vicepresident, or secretary of the Corporation, attach written authority to bind the Bidder. Any modification to a bid shall be over the initials of the person signing the bid, or of an authorized representative. Page 2 of 2

5 NORTHWEST-SHOALS COMMUNITY COLLEGE ALTERNATES SECTION ALTERNATES PART - GENERAL. SUMMARY A. Section includes administrative and procedural requirements for alternates..2 DEFINITIONS A. Alternate: An amount proposed by bidders and stated on the Bid Form for certain work defined in the bidding requirements that may be added to or deducted from the base bid amount if Owner decides to accept a corresponding change either in the amount of construction to be completed or in the products, materials, equipment, systems, or installation methods described in the Contract Documents.. Alternates described in this Section are part of the Work only if enumerated in the Agreement. 2. The cost or credit for each alternate is the net addition to or deduction from the Contract Sum to incorporate alternate into the Work. No other adjustments are made to the Contract Sum..3 PROCEDURES A. Coordination: Revise or adjust affected adjacent work as necessary to completely integrate work of the alternate into Project.. Include as part of each alternate, miscellaneous devices, accessory objects, and similar items incidental to or required for a complete installation whether or not indicated as part of alternate. B. Notification: Immediately following award of the Contract, notify each party involved, in writing, of the status of each alternate. Indicate if alternates have been accepted, rejected, or deferred for later consideration. Include a complete description of negotiated revisions to alternates. C. Execute accepted alternates under the same conditions as other work of the Contract. D. Schedule: A schedule of alternates is included at the end of this Section. Specification Sections referenced in schedule contain requirements for materials necessary to achieve the work described under each alternate. JOB NO PAGE OF 2

6 NORTHWEST-SHOALS COMMUNITY COLLEGE ALTERNATES PART 2 - PRODUCTS (Not Used) PART 3 - EXECUTION 3. SCHEDULE OF ALTERNATES A. Alternate No. : Provide concrete slab, vapor barrier, reinforcement, foundations and associated work as indicated.. Base Bid: Do not include scope identified as Alternate #. END OF SECTION JOB NO PAGE 2 OF 2

7 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE SECTION CAST-IN-PLACE CONCRETE PART - GENERAL. SUMMARY A. Section includes cast-in-place concrete, including formwork, reinforcement, concrete materials, mixture design, placement procedures, and finishes..2 ACTION SUBMITTALS A. Product Data: For each type of product. B. Design Mixtures: For each concrete mixture. C. Steel Reinforcement Shop Drawings: Placing Drawings that detail fabrication, bending, and placement. D. Laboratory test reports for concrete materials and mix design test..3 INFORMATIONAL SUBMITTALS A. Material certificates. B. Material test reports. C. Floor surface flatness and levelness measurements indicating compliance with specified tolerances..4 QUALITY ASSURANCE A. Codes and Standards: Comply with provisions of the following codes, specifications, and standards, except where more stringent requirements are shown or specified:. ACI 30, "Specifications for Structural Concrete for Buildings". 2. ACI 302, "Guide for Concrete Floor and Slab Construction". 3. ACI 304, "Recommended Practice for Measuring, Mixing, Transporting and Placing Concrete". 4. ACI 305, "Hot Weather Concreting". 5. ACI 306, "Cold Weather Concreting". 6. ACI 309, "Guide for Consolidation of Concrete". 7. ACI 3, "Recommended Practice for Concrete Inspection". 8. ACI 38, "Building Code Requirements for Reinforced Concrete". 9. ACI 347, "Recommended Practice for Concrete Formwork". JOB NO PAGE OF 8

8 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE 0. Concrete Reinforcing Steel Institute (CRSI), "Manual of Standard Practice.". American Welding Society, AWS D.4 "Structural Welding Code - Reinforcing Steel". 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.. 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 077 and ASTM E 329 for testing indicated..5 PRECONSTRUCTION TESTING A. Preconstruction Testing Service: The Owner will engage a qualified testing agency to perform preconstruction testing on concrete mixtures..6 FIELD CONDITIONS A. Cold-Weather Placement: Comply with ACI 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 30. PART 2 - PRODUCTS 2. CONCRETE, GENERAL A. ACI Publications: Comply with the following unless modified by requirements in the Contract Documents:. ACI ACI 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. 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. 2.3 STEEL REINFORCEMENT A. Reinforcing Bars: ASTM A 65/A 65M, Grade 60, deformed. JOB NO PAGE 2 OF 8

9 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE B. Low-Alloy-Steel Reinforcing Bars: ASTM A 706/A 706M, deformed. C. Plain-Steel Welded-Wire Reinforcement: ASTM A 064/A 064M, plain, fabricated from asdrawn steel wire into flat sheets. D. Deformed-Steel Welded-Wire Reinforcement: ASTM A 064/A 064M, flat sheet. E. 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." 2.4 CONCRETE MATERIALS A. Cementitious Materials:. Portland Cement: ASTM C 50/C 50M, Type I Fly Ash: ASTM C 68, Class F or C. B. Normal-Weight Aggregates: ASTM C 33/C 33M, graded.. Maximum Coarse-Aggregate Size: 3/4 inch nominal. 2. Fine Aggregate: Free of materials with deleterious reactivity to alkali in cement. C. Air-Entraining Admixture: ASTM C 260/C 260M. D. 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.. Water-Reducing Admixture: ASTM C 494/C 494M, Type A. 2. Retarding Admixture: ASTM C 494/C 494M, Type B. 3. Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type D. 4. High-Range, Water-Reducing Admixture: ASTM C 494/C 494M, Type F. 5. High-Range, Water-Reducing and Retarding Admixture: ASTM C 494/C 494M, Type G. 6. Plasticizing and Retarding Admixture: ASTM C 07/C 07M, Type II. E. Water: ASTM C 94/C 94M and potable. 2.5 VAPOR RETARDERS A. Sheet Vapor Retarder: ASTM E 745, Class A. Include manufacturer's recommended adhesive or pressure-sensitive tape. 2.6 CURING MATERIALS A. Evaporation Retarder: Waterborne, monomolecular film forming, manufactured for application to fresh concrete.. Eucobar, Euclid Chemical Co. 2. E-Con, L&M Construction Chemicals, Inc. 3. Confilm, Master Builders, Inc. JOB NO PAGE 3 OF 8

10 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE B. Absorptive Cover: AASHTO M 82, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. when dry. C. Moisture-Retaining Cover: ASTM C 7, polyethylene film or white burlap-polyethylene sheet. D. Water: Potable. 2.7 RELATED MATERIALS A. Expansion- and Isolation-Joint-Filler Strips: ASTM D 75, asphalt-saturated cellulosic fiber. 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 30. B. Cementitious Materials: Use fly ash, pozzolan, slag cement, and silica fume as needed to reduce the total amount of portland cement, which would otherwise be used, by not less than 40 percent. C. Admixtures: Use admixtures according to manufacturer's written instructions.. Use high-range water-reducingadmixture 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 CONCRETE MIXTURES FOR BUILDING ELEMENTS A. Normal-Weight Concrete:. Minimum Compressive Strength: 3000 psi at 28 days. 2. Maximum W/C Ratio: Slump Limit: 3-5 inchesretain one or more "Air Content" subparagraphs below. Percentages in options in first two subparagraphs are default air contents required by ACI 30 (ACI 30M) for severe exposure. 4. Air Content: 5 percent, plus or minus.0 percent at point of delivery for -/2-inch nominal maximum aggregate size. 2.0 FABRICATING REINFORCEMENT A. Fabricate steel reinforcement according to CRSI's "Manual of Standard Practice." JOB NO PAGE 4 OF 8

11 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE 2. CONCRETE MIXING A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to ASTM C 94/C 94Mand furnish batch ticket information.. When air temperature is between 85 and 90 deg F, reduce mixing and delivery time from -/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. 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. 3.2 VAPOR-RETARDER INSTALLATION A. Sheet Vapor Retarders: Place, protect, and repair sheet vapor retarder according to ASTM E 643 and manufacturer's written instructions.. Lap joints 6 inches and seal with manufacturer's recommended tape. 3.3 STEEL REINFORCEMENT INSTALLATION A. General: Comply with CRSI's "Manual of Standard Practice" for fabricating, placing, and supporting reinforcement.. Do not cut or puncture vapor retarder. Repair damage and reseal vapor retarder before placing concrete. 3.4 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. 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 onefourth of concrete thickness as follows:. Grooved Joints: Form contraction joints after initial floating by grooving and finishing each edge of joint to a radius of /8 inch. Repeat grooving of contraction joints after applying surface finishes. Eliminate groover tool marks on concrete surfaces. 2. Sawed Joints: Form contraction joints with power saws equipped with shatterproof abrasive or diamond-rimmed blades. Cut /8-inch-wide joints into concrete when cutting action does not tear, abrade, or otherwise damage surface and before concrete develops random contraction cracks. JOB NO PAGE 5 OF 8

12 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE 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. 3.5 CONCRETE PLACEMENT A. Before placing concrete, verify that installation of formwork, reinforcement, and embedded items is complete and that required inspections are completed. B. 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.. Consolidate placed concrete with mechanical vibrating equipment according to ACI FINISHING FORMED SURFACES A. Rough-Formed Finish: As-cast concrete texture imparted by form-facing material with tie holes and defects repaired and patched. Remove fins and other projections that exceed specified limits on formed-surface irregularities.. Apply to concrete surfaces [not exposed to public view] <Insert locations>. B. Smooth-Formed Finish: As-cast concrete texture imparted by form-facing material, arranged in an orderly and symmetrical manner with a minimum of seams. Repair and patch tie holes and defects. Remove fins and other projections that exceed specified limits on formed-surface irregularities.. Apply to concrete surfaces [exposed to public view,] [to receive a rubbed finish,] [or to be covered with a coating or covering material applied directly to concrete] <Insert locations>. C. Rubbed Finish: Apply the following to smooth-formed-finished as-cast concrete where indicated:. Smooth-Rubbed Finish: Not later than one day after form removal, moisten concrete surfaces and rub with carborundum brick or another abrasive until producing a uniform color and texture. Do not apply cement grout other than that created by the rubbing process. 2. Grout-Cleaned Finish: Wet concrete surfaces and apply grout of a consistency of thick paint to coat surfaces and fill small holes. Mix part portland cement to -/2 parts fine sand with a : mixture of bonding admixture and water. Add white portland cement in amounts determined by trial patches, so color of dry grout matches adjacent surfaces. Scrub grout into voids and remove excess grout. When grout whitens, rub surface with clean burlap and keep surface damp by fog spray for at least 36 hours. 3. Cork-Floated Finish: Wet concrete surfaces and apply a stiff grout. Mix part portland cement and part fine sand with a : mixture of bonding agent and water. Add white portland cement in amounts determined by trial patches, so color of dry grout matches adjacent surfaces. Compress grout into voids by grinding surface. In a swirling motion, finish surface with a cork float. JOB NO PAGE 6 OF 8

13 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE D. Related Unformed Surfaces: At tops of walls, horizontal offsets, and similar unformed surfaces adjacent to formed surfaces, strike off smooth and finish with a texture matching adjacent formed surfaces. Continue final surface treatment of formed surfaces uniformly across adjacent unformed surfaces unless otherwise indicated. 3.7 FINISHING FLOORS AND SLABS A. General: Comply with ACI 302.R recommendations for screeding, restraightening, and finishing operations for concrete surfaces. Do not wet concrete surfaces. B. Scratch Finish: While still plastic, texture concrete surface that has been screeded and bullfloated or darbied. Use stiff brushes, brooms, or rakes to produce a profile amplitude of /4 inch in one direction.. Apply scratch finish to surfaces to receive concrete floor toppings C. 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.. Apply float finish to surfaces to receive trowel finish. D. 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.. Apply a trowel finish to surfaces exposed to vieworto be covered with resilient flooring, carpet, ceramic or quarry tile set over a cleavage membrane, paint, or another thin-filmfinish coating system. 2. Finish and measure surface, so gap at any point between concrete surface and an unleveled, freestanding, 0-ft.-long straightedge resting on two high spots and placed anywhere on the surface does not exceed 3/6 inch. E. Trowel and Fine-Broom Finish: Apply a first trowel finish to surfaces where ceramic or quarry tile is to be installed by either thickset or thinset method. While concrete is still plastic, slightly scarify surface with a fine broom.. Comply with flatness and levelness tolerances for trowel-finished floor surfaces. F. Broom Finish: Apply a broom finish to exterior concrete platforms, steps, ramps, and elsewhere as indicated.. 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. 3.8 CONCRETE PROTECTING AND CURING A. General: Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306. for cold-weather protection and ACI 30 for hot-weather protection during curing. JOB NO PAGE 7 OF 8

14 NORTHWEST-SHOALS COMMUNITY COLLEGE CAST-IN-PLACE CONCRETE B. Evaporation Retarder: Apply evaporation retarder to unformed concrete surfaces if hot, dry, or windy conditions cause moisture loss approaching 0.2 lb/sq. ft. x h before and during finishing operations. Apply according to manufacturer's written instructions after placing, screeding, and bull floating or darbying concrete, but before float finishing. C. 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. D. Cure concrete according to ACI 308., by one or a combination of the following methods:. Moisture Curing: Keep surfaces continuously moist for not less than seven days. 2. 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 2 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. 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[ unless manufacturer certifies curing compound does not interfere with bonding of floor covering used on Project]. 4. 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 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. 3.9 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. 3.0 FIELD QUALITY CONTROL A. Special Inspections: Owner will engage a special inspector to perform field tests and inspections and prepare test reports. END OF SECTION JOB NO PAGE 8 OF 8

15 Existing concrete walkway New 4" concrete walkway w/ :20 max slope 5' - 0" 5 +/- 8' - 0" New Carpentry Shop 438 SF -/2" dia. steel rail, primed and painted. X 2" Min. 3' - 0" PLAN NORTH New 4" concrete landing Concrete stair w/ 7" max risers New 4" concrete landing +/- 8' - " " " 5' - 0" 6 5' - 0" X F.F. Floor Plan - Walkway and Stair /8" = '-0" /2" max radius F.F. Top & Bottom Handrail Extensions at Stairs (Note: X = tread depth) 2 Handrail Extensions /2" = '-0" Carpentry Shop Expansion Walkway and Stair Northwest-Shoals Community College 800 George Wallace Blvd., Muscle Shoals, Alabama 3566 BC# Project number Date Drawn by Checked by EDM TAA ASD- Scale As indicated 8/7/207 2:39:43 PM

16 A Alternate # Future paint booth w/ fire suppression (N.I.C.) 20' - 0" Steel Line 4' - 0" 2' - 0" 4' - 0" B Floor Plan - Alternate # /8" = '-0" PLAN NORTH Carpentry Shop Expansion Alternate # Northwest-Shoals Community College Project number George Wallace Blvd., Muscle Shoals, Date Alabama 3566 ASD-2 Drawn by EDM BC# Checked by TAA Scale /8" = '-0" 8/7/207 :2:57 PM

17 A B 2 x bolt dia 2' - 6" 0' - 4" 0' - 8" 20' - 0" Top of Concrete S. Typical Anchor Bolt Detail Notes: As an alternate contractor may use epoxy anchor bolts or Simpson Titen HD anchors. Fill joint with sealant see spec Section 7 /4 of the depth of the slab Width of slaw blade Note: Saw cut joint must be made the same day the slab is placed S. 2 S S. 4" concrete slab on grade w/ 6x6 W.4xW.4 wwf 4' - 2" 2' - 0" 2' - 0" 4' - 2" 4' - 0" 2' - 0" 4' - 0" FOUNDATION PLAN /8" = '-0" Typical Control Joint Saw cut joint as soon as possible after slab is placed Concrete Use CONCRETE SCHEDULE st Floor FF EL 0' - 0" 2' - 0" Existing construction Design Strength Slump Limits Entrained Air Range Notes All Concrete 4000 psi 6" to 8" 3% to 5% Use HRWR A Note: The clouded portion of the drawing is alternate # Reinforcing Steel Lap Splice Lengths Bar Size # 3 # 4 # 5 # 6 # 7 # 8 # 9 # 0 # Column Splices 2" 5" 9" 23" 26" 30" 34" 38" 42" Bm, Ftg & Wall Splices Top Bars 9" 25" 3" 37" 54" 62" 70" 79" 87" Other Bars 5" 9" 24" 29" 42" 48" 54" 6" 67" CMU Wall Splices 8" 24" 30" 36" 42" 48" 54" 60" 66" Notes:. Top bars are any horizontal reinforcing steel that has another layer of steel more than 2" below the bars or reinforcing steel that has more than 2" of concrete below the bars. 2. All horizontal reinforcing bars in walls may be detailed as "Other Bars". 3. All corner bars may be detailed as "Other Bars". S. Metal Building Column Base plate & anchor bolts Structural Barnett Engineers Jones WilsonLLC Pell City, AL Tuscaloosa, AL GENERAL NOTES -. Contractor shall compare structural drawings and architectural drawings. Any omissions or discrepancies between plans, details, and specifications shall be brought to the attention of the Architect or Engineer before bidding. In all cases, more stringent requirement governs. Architectural dimensions and elevations will control. 2. Structural drawings or parts of the structural drawings may not be used as shop drawings without prior written approval. 3. All or parts of these drawings were produced with computer aided drafting. Drawings are available from the Engineer in DWG format on request. 4. Contractor proposed changes to details must be clearly noted on the first sheet of all shop drawings. 5. Construction shown is stable after the building is complete including interior and exterior finishes. The Contractor is responsible for temporary bracing of the structure during construction. 6. Review of submittal information shall be for general compliance with the contract documents and shall not include checking of detailed dimensions or detailed quantities. 7. Site visits by Engineer of Record are not considered inspections or special inspections, rather are observations for general compliance with contract documents. 8. Design contract is for design of foundations based on loads provided by the owner only. No other design or analysis of the structure or structural components has been made. Barnett/Jones/Wilson, LLC has no control or responsibility for the entire building and therefore is not the structural engineer of record for the project. 9. Design contract is for design of foundations only. No PEMB reactions were provided at the time of foundation design. Foundation design is based on assumed PEMB reactions. Design to be verified once PEMB reactions are supplied. Any changes in foundation design as a result of the supplied PEMB reactions will not result in any additional cost to the Owner. No other design or analysis of the structure or structural components has been made. Barnett/Jones/Wilson, LLC has no control or responsibility for the entire building and therefore is not the structural engineer of record for the project. - DESIGN LOADS. Reference code for loading SEI/ASCE a. Building Classification II b. Wind Load ) Basic Wind Speed (3 sec gust) 5 mph 2) Wind Exposure C c. Roof Snow Load ) Ground Snow Load (Pf) 0 psf 2) Snow Exposure (Ce).0 3) Importance Factor.0 4) Thermal Factor (Ct).0 d. Seismic Load ) Importance Factor.0 2) Mapped Spectral Response Accelerations a. Ss b. S ) Site Class D 4) Spectral Response Coefficients a. Sds b. Sd ) Seismic Design Category C e. Live Load ) Roof Load 20 psf 2) Slabs on grade 00 psf - FOUNDATIONS. Foundation design for this project was based on assumed soil conditions. Information for design of foundations has not been provided by the Owner. Design to be verified once a Geotechnical Report is supplied. Any changes in foundation design as a result of the supplied Geotechnical Report will be the responsibility of the Owner 2. Bearing value of soil: 2500 psf 3. All footings are to bear on engineered fill. 4. Install corner bars at all footing intersections and corners (Provide lap length e.w.) 5. Step all footings where necessary to provide a minimum of '-0" below the finish grade or 0'-8" below finish floor. 6. All footing elevations are given to the top of the footings. 7. Footing steps shown on the plans are furnished as a guide for estimating quantities. Final elevations are to be set in the field. Bearing elevations must be approved by a Soils Engineer before any concrete is placed. 8. Coordinate foundation elevations with plumbing requirements. Step footings as required to clear plumbing lines. - REINFORCING STEEL AND CONCRETE. All concrete work is to be in accordance with the "Building Code Requirements for Reinforced Concrete" (ACI 38-). 2. All detailing is to be in accordance with "ACI Detailing Manual SP Use of Calcium Chloride, Chloride Ions, or other salts in concrete are prohibited. 4. Concrete Properties: See Schedule. All concrete must obtain 7 day strength of 70% of design strength. 2. Concrete mixes may replace cement with other cementitious materials, submit for approval. 3. Combined weight of all replacement cementitious materials may not exceed 25% of the total cementitious weight. 4. Concrete mixes may use water reducers, accelerators or retarders with prior approval. 5. Do not provide air entrainment in concrete mixes for interior slabs. 5. All steel reinforcement shall be of deformed bars of billet steel conforming to ASTM A65, Grade 60 in all concrete. 6. Welded wire fabric shall be ASTM 85 and shall lap 2 cross wires or 6" whichever is greater on all sides. All laps shall be wired together. 7. Provide (2) #4 bars x 4'-0" at re-entrant corner locations Typical. Locate 3" away from corner and space '-0" apart. 8. All slabs on grade are 4", unless noted. Slabs are to be placed on 0 Mil, PVC vapor barrier over 4" of porous fill. Reinforce slabs with 6x6 W.4xW.4 WWF placed " from top of slab. Unless otherwise noted slabs shall have joints placed at a maximum of 5'-0" on center. The aspect ratio of the joint layout should not exceed.5. Joints may be control joints or construction joints. 9. Minimum concrete cover for reinforcement: a) Columns /2" outside of ties b) Footings3" 0. Provide corner bars at all wall and footing intersections.. Use 3/4" chamfer for all exposed corners unless noted. - METAL BUILDING. All structural design of foundations is based on an assumed metal building with pin based columns. 2. Metal building and metal building components are not part of the design contract. Barnett/Jones/Wilson, LLC, has no control or responsibility for the metal building and therefore should not be considered to be the structural engineer of record for this portion of the building. Carpentry Shop Expansion C Northwest-Shoals Community College REVISED FINAL 800 George Wallace Blvd., Muscle Shoals, Alabama 3566 No. Description Date Revision Aho Architects, LLC. All Rights Reserved. Foundation Plan Form keyway with /2 of a " dia plastic pipe Typical Construction Joint Section 3 3/4" = '-0" ' - 0" 2"x24" Grade Beam w/ 2 # 6 bars t&b & # 3 2" o.c. 2'-0" Min. ' -0" Min. Section 2 3/4" = '-0" 3' - 6" 5 #6 bars ew 2' - 0" Min. '-0" Min. ' - 0" Section 3/4" = '-0" 2"x24" Grade Beam w/ 2 # 6 bars t&b & # 3 2" o.c. Project number Date Drawn by Checked by Scale S BJW As indicated 8/7/207 ::20 PM