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Home My WebLink About23272 - 7470 Lakeside Road NE - Struct O N STRUCTURAL NOTES REINFORCED CONCRETE MASONRY WALLS I C Hollow unit concrete masonry shall be ASTM C90. N Unless noted otherwise on the plans and/or in the details, these notes shall apply. If there are discrepancies between the Mortar shall be per ASTM C270: Type M or S for below-grade and exterior masonry;Type N for all interior above-grade plans/details and these notes, the contractor shall conform to the more stringent requirements, unless clarified with the masonry. Structural Engineer of Record (SER) prior to work. All masonry units shall be placed in running bond. 6 m Provide special shapes for jambs, columns, pilasters, control joints, corners and lintels. MATERIAL STRENGTHS See plans for location and spacing of reinforcement in walls. When one bar is in a single core, place in center, unless o 0 Reinforcing Steel noted otherwise. When two bars are in a single core, place one near each face. Deformed Bars—ASTM A615, Gr. 60, Fy — 60 ksi Place at least one vertical reinforcing bar in wall corners. Q o Masonry Vertical steel shall be lapped 48 bar diameters at all splices. Concrete Masonry Units—ASTM C90 Provide full mortar bedded face shells and webs around all grouted cells for full bearing and to prevent leakage into o QLb f'm = 2,000 psi (net area compressive strength of masonry) adjacent cells. o N Structural Lumber Grout shall be per ASTM C476. 0 z Treated lumber- #2 Southern Yellow Pine or equal Fill masonry core at vertical columns with 3,000 psi grout vibrated in place. a o 53 Wall construction shall not exceed heights of 4'-0" before placement of core grout unless cleanout holes are provided at Q c g DESIGN LOADS the bottom of each grout lift, then a maximum height of 8'-0" before placement of core grout. M a Roof Provide ladder or truss style horizontal joint reinforcing, fabricated with galvanized 9 gauge wire, placed every 2nd course. 2 Dead load = 15 psf Provide bond beam with 2 - #5 at all floor lines, roof lines and top of walls. y 0 Snow load = 40 psf(ground snow load — 50 psf) Provide corner bars with 2'-0" legs for each horizontal bar in all bond beams at corners and intersecting walls. E a o Floors Masonry shall not be laid or grouted when the temperatures of the outside air is below 40 degrees Fahrenheit unless 9 N Dead load = 15 psf approved methods are used during construction to prevent damage to the masonry. All materials used and surfaces built U co- N Live loads = 40 psf upon shall be free of snow and ice. 9 y Slump shall be determined by ASTM C143 as follows: Q:E a DESIGN CODES Masonry grout 8" - 11" L 3 co 3 0 Minnesota Residential Building Code(2020) International Residential Code(2018) DIMENSION LUMBER Design assumes lumber is free of significant splits and checks, and contractor will visually inspect during installation. o EXISTING CONDITIONS All lumber must be grade stamped and provide the following information: grading agency, mill number or name, grade of v C) Contractor shall verity all dimensions, elevations, and details of existing structure where they affect this construction prior lumber, species or species grouping or combination designation, rules under which graded, where applicable, and Ln Ln to fabrication. condition of seasoning at time of manufacture. �' z Remove and replace existingarchitectural electrical mechanical structural civil and miscellaneous as necessary. Lumber grading rules and wood species must conform to Voluntary Product Standard PS 20-10 as published by the O 2 � � N E p ry Department of Commerce. Grading rules must be from an agency certified b the Board of Review of the American 00 a CO ° P 9 9 cY Y N-00 LQ^ 0) TEMPORARY BRACING Lumber Standards Committee. � N All lumber must be seasoned to a moisture content of 19% or less with the indication of"S-Dry" on the grade stamp. p p � °� T Contractor is responsible for bracing, without overstressing, all structural elements as required at all stages of construction O o ,E E until completion of this project. Provide temporary lateral support for all walls until walls are adequately braced by All lumber must be protected from the elements and stored on site per suppliers requirements. E permanent structure. Shore foundation walls retaining earth until floor framing and basement slab are in place. Use Sills and all other lumber in contact with concrete or masonry and within 8" of finished grade shall be preservative treated caution when operating equipment adjacent to foundation walls. wood. GENERAL SOIL NOTES ADHESIVE/MECHANICAL ANCHORS The structure has been designed using a presumptive load-bearing value of 2000 psf in accordance with Table R401.4.1 of Adhesive and mechanical anchors shall be provided and installed in strict accordance with the manufacturer's instructions. the 2018 IRC on virgin soil or compacted granular fill for footings. Masonry adhesive anchoring system to be Hilti HIT HY-270. Remove all top soil, uncompacted fill, or other poor soil from the construction area. Mechanical anchoring system for concrete and grouted CMU to be HILTI Kwik Bolt 1 or 3 or Simpson STRONG-BOLT 2 Slope the site to drain away from the building. expansion anchors or Hilti Kwik HUS-EZ(CRC)or Simpson Titen HD screw anchors. Install gutters and downspouts. Alternate anchoring system may be submitted for approval. Reference drawings for additional information and Backfill with granular soils. requirements. J_ Q W Q �x W W LU z Z J 0 Q J d Q 0 J W Q 0 z wLU Z 2 w w Q L Q o p N coco So O N M � � N O — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — I I — — — — — — — — — — — — — — — — — — o — — — — — — — — — — — — — — — — — — — I I I I p � ctl T-0" EN OF WALL REPAIR a I r EXISTING FLOOR JOISTS @ 16" OC s1 I I I , • • � QLlr] EXISTING WOOD ' ' - o o HEADER i FLOOR FRAMING, SEE PLAN w w z rim m >,o TREATED 2x12 PLATE w/ a B ' ' I 5/8" DIA. SIMPSON TITEN HD ANCHORS @ 16" OC & 5.0 a EXISTING WOOD ' SIMPSON A34 w/(8) #9x1-1/2" SD SCREWS AT EACH JOIST y 2 a)in BEARING WALL ' �r I � a) EXISTING FLOOR JOISTS @ 16" OC ; 8" DEEP BOND BEAM w/(2) #5 CONTINOUS. y EXISTING FOOTING I DRILL&EPDXY#5 DOWELS TO EXISTING t C 3 BOND BEAM (5" EMBED). " Q�r �d=" EXISTING 12" CMU , I 2-a a BASEMENT WALL ' = 3 a I - — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — I I , I I — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — C O O O N U1 1 BASEMENT WALL PLAN opZ) U z "JitlO N S1 ^ NGoo1/8" - 1-0" � ° o > 0) La 12" CMU w/#5 VERTI. @ 32"OC 4- L w T E #5 DOWEL AT EACH VERTICAL. DRILL& EPDXY TO EXISTING FOOTING WITH SIMPSON SET-3G (5" EMBED) EXISTING CONCRETE FOOTING EXISTING CONCRETE SLAB J a 0'-4" cirf LU o � w z o Lu cirf Z o a ` > Q a Q � J FIELD VERIFY Z w z w w 2 BASEMENT WALL DETAIL uj o o w s1 1/$„ = 1'-0" NOTE: REFER TO BASEMENT WALL PLAN FOR EXTENT OF WALL WALL REPAIR s'I