Laserfiche WebLink
STRUCTURAL NOTES <br />W <br />Q 0 <br />U) <br />N� <br />it <br />W <br />a <br />Ld <br />03 <br />�r <br />�o <br />J 3 <br />-6 a <br />oZ <br />< <br />oZ <br />�o <br />�w <br />o= <br />w <br />0 <br />< <br />K° <br />QLU <br />,W <br />L � <br />0 <br />�o <br />� U <br />�o <br />�o <br />�Cf <br />CL <br />mW <br />-w <br />sm <br />: 0 <br />so <br />S Z <br />o� <br />fJ Z <br />�U) <br />�W <br />�Z <br />o� <br />Z <br />Ill <br />dl < <br />00 <br />wo <br />� a <br />O `-' <br />oaf <br />UJ <br />W <br />o <br />a <br />w <br />T <br />LL <br />Z <br />S o <br />H <br />1. GOVERNING CODES: <br />This design is based on the following codes: <br />A. Florida Building Code, 2004 with 2006 additions. <br />B. Building Code Requirements for Structural Concrete ACI 318 (2002 EDITION) <br />C. Specification for the Design, Fabrication, and Erection of Structural Steel for Building, ASD Design method. <br />D. Structural Welding Code D1.1 <br />II. DESIGN LOADS: <br />A. Wind load based on using the Florida Building Code methods of calculation for wind pressures and the <br />following factors: <br />1. Mean Roof Height of less than 30'-0" <br />2. Wind speed of 110 MPH. <br />3. Exposure Category'B'. <br />4. Importance factor of 1.0 (Building Category II). <br />5. Internal Pressure Coefficient of +/- 0.18 ("Enclosed" building). <br />6. This building is NOT IN A WIND BORNE DEBRIS REGION as defined by Florida Building Code. <br />B. Roof live load of 20 PSF with allowable load reductions based on area as outlined in the Florida Building <br />Code. Roof drainage shall conform to the requirements of the Florida Plumbing Code Section 11. Overflow <br />drains shall be located so that, in the event of the primary drains being blocked, no more than 3-1/2" of <br />water can accumulate before entering the overflows. <br />C. Roof dead load of 20 PSF. <br />D. Allowable soil bearing of 2,000 PSF. <br />III. DISCREPANCIES BETWEEN DRAWINGS & EXISTING CONDITIONS: <br />These drawings were prepared based on field data gathered during the design process. However, as the <br />demolition of the existing structure allows for better views of the existing structure, there may be discrepancies <br />between the drawings & the actual conditions. These discrepancies should be brought to the attention of the <br />architect immediately. Please confirm all dimensions to the existing structure before ordering, purchasing, or <br />installing any new work. <br />IV. SHOP DRAWINGS: <br />A. Contractor shall allow for (10) ten business days for shop drawing review. <br />B. Our office will accept shop drawings in both electronic and paper format. <br />C. If the Shop Drawings are in a paper format, we will require (3) three copies minimum shall be submitted with <br />(1) one copy to be retained by our office. <br />D. If the Shop Drawings are in electronic format the following shall apply: <br />1. The only accepted electronic format shall be Adobe PDF format. <br />2. If the electronic files are e-mailed to our office, the e-mail address is Mail@Adams-Engineers.com and a <br />faxed transmittal shall be sent to our office informing us of that the drawings were sent to our office by <br />e-mail. <br />3. If the electronic files are sent to our office as copied on a CD or DVD a transmittal shall be included in <br />the package. <br />4. The reviewed shop drawings shall be returned to Project Architect (or directed party) in either electronic <br />format or paper format as directed by Client. If paper format is requested, it shall be blackline copies <br />with any comments generated by our office in contrasting font or "boxed". Additionally we will invoice for <br />the printing costs associated with the production of these drawings based on the prevailing prints costs <br />in Tampa Bay Area. <br />V. DRAWINGS AND SPECIFICATIONS: <br />A. Do not scale these drawings for dimensions not given. Advise Project Architect of any conflicts between <br />these drawings and the Architectural drawings. Verify all field conditions and confirm column locations in <br />respect to architectural wall alignment prior to the start of work. <br />B. These drawings are to be used in combination with the architectural, mechanical, plumbing and civil <br />drawings. Refer to these other drawings for details that relate to structural components. <br />C. These construction documents have been prepared from the most complete information available to the <br />engineer. All data on existing construction conditions are approximate & shall be verified prior to <br />commencing work. <br />D. The contractor shall comply with the manufacturer's instructions & recommendations to the extent -printed <br />information are more detailed or stringent than the requirements contained in the plans. <br />E. The plans show the location of all fixtures & equipment & are intended to convey the general intent of the <br />work in scope & layout. They are not intended to show in minute detail every & all of the accessories <br />intended for the purpose of execution of the work, but it is understood that such details are part of this work. <br />F. The Contractor shall perform no portion of the work at any time without Contract Documents or, where <br />required, approved shop drawings, product data or supplemental details for such portion of the work. <br />G. The Contractor is responsible for means and methods of construction to ensure the safety of the building <br />until the structural system is completed. The structural system is unstable until all connections have been <br />made and all concrete has reached the minimum design strength as specified in these drawings. <br />H. The use of electronic files or reproductions of these contract documents by any contractor, subcontractor, <br />erector, fabricator or material supplier in lieu of preparation of shop drawings signifies their acceptance of all <br />information shown hereon as correct, and obligates themselves to any job expense, real or implied, arising <br />due to any error that may occur hereon. <br />VI. CONCRETE: <br />A. Concrete strength requirement: <br />1. 3,000 psi: Foundations, slab -on -grade, sidewalks <br />B. Maximum Slump: 4" (+/- 1 ") for all concrete, except use 8"-11" for filling cells in block. Fly ash, if used, shall <br />not exceed 20% by weight of total cementitious content. Slump limits shall be strictly adhered to. <br />C. The concrete shall contain the maximum size aggregate permitted by ACI Code up to 3/4" maximum. The <br />guidelines for maximum aggregate size are not greater than 1/5 the narrowest opening in the forms, and/or <br />1/3 the depth of the slab. <br />D. Concrete formwork: Concrete formwork shall be in a clean condition for use as finished surface forms. <br />Forms shall not be removed until the concrete is of sufficient strength to support its own weight and <br />proposed construction loads. <br />E. Minimum Concrete Cover <br />1. Concrete cast against and permanently exposed to earth = 3 inches. <br />2. Concrete exposed to earth or weather = 1-1/2 inches <br />3. Concrete not exposed to earth or weather = 3/4 inches <br />F. Concrete must be batched, mixed, and transported in accordance with The Specifications for Ready -Mixed <br />Concrete ASTM C94. Concrete shall be placed with -in 90 minutes of batch time. <br />G. A qualified testing laboratory shall be retained to perform the following concrete tests. The concrete <br />samples shall be taken in accordance with ASTM C 172 and specimens made in accordance with ASTM C <br />31. Testing of specimens shall be in accordance with ASTM C 39. Each test shall consist of a minimum of <br />3 cylinders. One sample shall be tested at 7 days, and one at 28 days. Reports showing the results of <br />testing shall be submitted at the earliest possible date following testing and shall indicate date, time, weather <br />conditions (temperature), composition of mix (per delivery ticket), slump, location of concrete, compressive <br />strength, type of break, and other pertinent information helpful in the evaluation of the tests. All tests shall <br />be sequentially numbered for easy identification. The concrete test cylinders shall be taken for each type of <br />class of concrete and not less than once per daily pour, nor less than the following intervals: <br />1. Footings and sidewalks: One set of samples for each 100 cubic yards of concrete placed, nor less than <br />once per daily pour. <br />2. Floor slabs: One set of samples for each 50 cubic yards of concrete placed, nor less than once per daily <br />pour. <br />3. Concrete beams & Columns: One set of samples for each 50 cubic yards of concrete placed, nor less <br />than once per daily pour. <br />4. Tilt wall panels: One set of samples for each 50 cubic yards of concrete placed, nor less than once per <br />daily pour. <br />H. Expansion and Contraction Joints: Floor (contraction) joints shall be saw cut or prefabricated at a maximum <br />spacing of 2 to 3 times the slab thickness in feet (i.e. 8'-12' o/c for a 4" thick slab). These contraction joints <br />shall be approximately 1/8" wide and extend to a minimum depth of 1/4 the slab thickness. A 1/4" perimeter <br />expansion (isolation) joint shall be used at floors adjoining walls and around all columns. These isolation <br />joints shall be formed by installing an asphalt impregnated fiber sheet that extends the entire thickness of <br />the slab. <br />VII. CONCRETE REINFORCEMENT: <br />A. Reinforcing steel bars shall be Grade 60 (60 KSI ASTM A615) steel and tied with drawn steel wire. <br />B. Welded Wire Fabric shall conform to ASTM A185. <br />C. Placement of reinforcing steel shall be as shown on plans and per the "Manual of Standard Practice for <br />Detailing Reinforced Concrete Structures", ACI 315 manual on placing steel reinforcing. <br />D. Provide minimum lap splice of 48 bar diameters, but not less than 18 inches, for all reinforcing bars, unless <br />noted otherwise. Stagger splices in adjacent bars at least 24 inches, except in beams and columns. <br />E. In wall footings, grade beams and bond beams, provide bent bars at corners and intersections of the same <br />number and size as the straight bars. <br />F. Provide for an allowance of 1 % of the total reinforcing steel for the project to be fabricated and placed during <br />progress of the work as may be directed by the Structural Engineer, in addition to the reinforcing steel <br />indicated on the drawings. A credit for any unused quantity of this material at the end of the project shall be <br />given to the Owner. <br />VIII. CAST IN PLACE CONCRETE: <br />A. The concrete supplier shall provide mix designs of all concrete used in structural applications. <br />B. When pouring against earth, the embankment shall be wetted first and all pours on direct sun days will be <br />misted at least twice following initial set. Isolation joints shall be provided at all columns and expansion felt <br />at the perimeter of the slab. <br />C. Finish on the surface of floor shall be machined troweled followed by hand finishing as required. <br />D. Exterior walks and parking areas to be light brushed finished. <br />E. Curing of concrete shall be in accordance with ACI 318. <br />IX. FOUNDATIONS: <br />A. Maximum soil bearing pressure used for design ....... 2000 PSF <br />B. Notify Engineer if footing excavation reveals unsuitable or unstable soils, or materials or conditions not <br />anticipated in the area. <br />C. Concrete placement shall occur immediately after footing excavation & placement of reinforcing steel. Any <br />freestanding water shall be pumped out of footing excavation prior to concrete placement <br />D. A qualified testing laboratory shall be retained to perform the following minimum in -place density tests: This <br />suggested testing shall be used in absence of a testing program suggested by a soil engineer as contained <br />in a soil report performed for this project. <br />1. One density test for each 2,500 square feet of compacted subgrade. <br />2. One density test at each column. <br />3. One density test per 50 feet of wall footing. <br />X. STRUCTURAL STEEL: <br />A. Fabrication and erection of structural steel shall be in accordance with AISC "Specification for the Design, <br />Fabrication and Erection of Structural Steel for Buildings" (latest edition). <br />B. Structural steel team qualifications shall be: <br />1. Fabricator Qualifications: A qualified fabricator who participates in the AISC Certification Program and is <br />designated an AISC Certified Plant, Category "Standard for Steel Building Structures" (STD) at time of <br />bid. <br />2. Erector Qualifications: A qualified installer who participates in the AISC Certification Program and is <br />designated an AISC Certified Erector, Category "Certified Steel Erector" (CSE) at time of bid. <br />C. Structural steel shapes (used as beams and columns) shall conform to ASTM A992 Grade 50 KSI unless <br />otherwise noted on the contract drawings. <br />D. Plates, channels, rods, anchor bolts and angles shall conform to ASTM A36 unless otherwise noted of the <br />contract drawings. <br />E. Steel pipe shall conform to ASTM A53 Grade B or ASTM A501. <br />F. Structural tubing shall conform to ASTM A500 Grade B (46 KSI minimum). <br />G. All bolts (except anchor bolts) shall be high strength (HSB) shall conform to ASTM A325, 3/4" diameter <br />unless noted otherwise. High strength bolts shall be used unless specifically noted on the drawings. <br />H. All welding shall be performed by certified welders in accordance with AWS "Code for Arc and Gas Welding <br />in Building Construction" (latest edition). The minimum electrode used shall be E70xx Low Hydrogen <br />electrodes unless otherwise specified. <br />I. Structural steel shall be primed painted with one coat of light gray primer meeting the minimum requirements <br />of Federal Specification TT-P-664 or Steel Structures Painting Council Specification 15-68T, Type I. All <br />members to receive spray on fire proofing shall not be painted. <br />J. All beams shall be fabricated and erected natural camber up <br />K. Connections may be single shear plate (or double angle) framed beam connections per AISC unless noted <br />otherwise. All bolts shall be 3/4" diameter A-325-N unless noted otherwise. Shop connections may be <br />bolted or welded, with welded connections equal to bolted connections. All bolts shall be tightened snug <br />tight with suitable nuts and hardened washers unless noted otherwise. Design connections for the larger of <br />either the shear value shown on the drawings or 75% of the maximum shear listed in the tables for <br />"Allowable uniform load in Kips for beams laterally supported" at the bottom of each page in the "Properties <br />And Reaction Values" Part 2 of the latest edition of the AISC "Manual Of Steel Construction". <br />L. Splicing of structural steel where not detailed is not permitted with out prior written approval of the structural <br />engineer. <br />M. Structural openings, supports, anchors, etc. around or affected by mechanical, electrical and plumbing <br />equipment shall be verified with the equipment purchased before proceeding with structural work affected. <br />N. Provide for an allowance of 1 % of the total structural steel for the project to be fabricated and placed during <br />progress of the work as may be directed by the Structural Engineer, in addition to the reinforcing steel <br />indicated on the drawings. A credit for any unused quantity of this material at the end of the project shall be <br />given to the Owner. <br />XI. LIGHT GAUGE STEEL FRAMING: <br />A. The light gauge steel framing members specified are based on structural properties of Dale/Incor. Members <br />may be supplied by other manufacturers provided the members meet or exceed the structural properties as <br />specified in Dale/Incor catalog. <br />B. Standards: <br />1. American Iron and Steel Institute (A.I.S.I.) "Design of Cold Formed Steel Structural Members". <br />2. American Welding Society (A.W.S.) D1.3, Structural Welding Code - Sheet Steel". <br />C. Track shall be securely anchored to the supporting structures as shown using the specified fasteners. <br />Concrete anchors shall be installed after full compressive strength has been achieved. <br />D. Studs shall be plumbed, aligned and securely attached to the flange or webs of both upper and lower tracks. <br />E. Wall studs bridging shall be attached in a manner to prevent stud rotation. <br />F. Temporary bracing shall be provided until erection is completed. <br />Cn <br />w <br />w <br />U <br />�"s <br />.�, o <br />Z <br />wo°p•Oo <br />Z <br />C/5 <br />w ° W <br />1 <br />U7 <br />Z <br />��D <br />Q z< <br />> Cho <br />Q�DMo <br />�w_ <br />QQ <br />Z <br />UQ <br />C <br />co? <br />c�4 <br />U <br />w 00 < <br />x <br />r� <br />CCJJ <br />ti 2 <br />cL <br />U <br />Ln <br />,r, o <br />w <br />w <br />o <br />N <br />oCM <br />> <br />'..� <br />CD <br />CO <br />a <br />m <br />Z <br />Q <br />L <br />� <br />m <br />� <br />CC <br />N <br />Z <br />V <br />O <br />1Z <br />IL <br />N <br />Nm0 <br />#o� <br />lu°p w � <br />a =� <br />o> <br />"Z <br />I CERTIFY TO THE BEST OF MY <br />KNOWLEDGE THAT THE <br />DRAWINGS & SPECIFICATIONS <br />COMPLY WITH THE APPLICABLE <br />MINIMUM BUILDING CODES <br />ISSUE DATE <br />12-05-08 <br />1 <br />2 <br />3 <br />4 <br />REVISIONS A <br />SWET NUMBER <br />S-0.1 <br />