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k 6, Foundation Excavation: Excavate for foundation as shown D. Workmanship on drawings. Form all surfaces except where earth forms 1 . Concrete footings: are specifically approved by the Owner. Trim excavation walls and a. Place reinforcing bars as designated on drawings with cover, laps bottoms to smooth, uniform line and grade, Provide sumps, drains and bends as indicated. Maintain a minimum clear distance of 3 and pumps as necessary to keep excavation dry at all times. Remove inches between reinforcing and bottom and sides of excavation soft soots and unsuitable material as directed by the Owner and and fasten bars securely in place to prevent displacement. g shore and brace excavation in accordance with OSHA requirements b. Cleaning: Remove all debris and loose earth from forms . Stand „j and as necessary to prevent caving and erosion. ing water shall be removed from forms before pouring conrete. : 7, Earth Forms: Where earth forms are approved, excavate foundations c . Wetting: Moisten earth and wood form surfaces lust prior to to neat line and grade shown on drawings. Trim walls and bottom placing concrete . smooth and uniform. Where walls tend to slough, overexcavate , d. Inspection: Notify Architect for inspection of footing excava- ` form and brace. tion and reinforcing before casting any concrete . When possible give 48 hours notice for all inspections. 8. After prime coat and paint binder has been approved, spread and e. Pipe and Conduit : Electrical conduit only may be placed in compact asphalt concrete paving t0 compacted thickness Shown on footings where SUCK conduit SIZe and IOC2tlon is approved by the '71, drawings in accordance with CSS Section 39. Architect . Place conduit and pipe running through or beneath 9, Defective Base and Paving: Where the paving is not placed t0 ootings as indicated. Do not embed aluminum conduit in concrete ARCHITECTS correct grade, or is otherwise judged to be defective, remove unless corrosion protection is provided, and replace at no cost to the Owner, f . Construction Joints: Form construction joints only in locations shown or approved. Key and form all joints as indicated. Clean 02800 SITE IMPROVEMENTS and roughen joint surfaces before casting adjacent concrete. g. Vibrating: Compact concrete immediately after placing with 810 Irrigation Systems - This section Shown on Landscape Drawings. mechanical vibrators, taking care not to mar form surfaces. N. Curing: Keep all exposed concrete surfaces continuously moist for at least 7 days after placing. or spray with an approved 02900 LANDSCAPING curing compound. 940 TYLER STREET. 15FUDIO 23 'i This Section shown on Landscape Drawings. 2. Concrete slabs on grade: `f a. Reinforcement: Place accurately where shown. 1302 i (415)682-0302l b. Wetting: Moisten wood form surfaces just prior to placing concrete. d, Placing: Place concrete In one continuous operation for each area cast and vibrate or spade to a dense uniform consistency DIVISION 3 — Concrete free of void spaces and rock pockets. e. Construction Joints: Conform to details shown. No panel size 03200 CONCRETE REINFORCEMENT greater than 501 sq. ft. or greater than 20 feet In any dimension. anddalait the site, Report,K% ernxs discrepancies or questions to 210 Reinforcing Steel r. Screeding: Screed to a true surface with a maximum deviation of # A. Codes and Standards x 114 Inch in an/ 10 foot length. constructiongark forconfrictP and 1. Uniform Building Code, 1982 Edition. 't 2. ACI Standard 318-83, "Building Code Requlrements for Reinforced e. Curing: Cure slab Witt, white polyethylene film or sprayed permisstom Concrete. ' oRmbrane, applied imme(lately after finish operations. Cure 7 R B. Materials: days maximum. Seal edges of polyethylene film. .. 1 . Reinforcement: a. Bars: Conform to ASTM A 615-72, Grade 40 s, Wncrete temperature during piacement shall not exceed 90 degrees F. b. Wire Fabric: Conform to ASTM A 185. or be below 40 degrees F. FOOD CJS LIQUOR 37 ' 2• Tying Wire: ASTM A 82-72 , 4• Place concrete in a manlier which avoids segregation. C. Workmanship. Steel Fabrication and Placement: Place steel , supporting Luncrete shall not be used beyond (1) hour of adding mixing water. T and wiring in accordance with Reference Standards. Bar reinforcing Additional mixing water; is not allowed after initial batching. 15 West G r a ntline shall be wire tied at all intersections and at all splices. Tracy, Ca 03300 CAST - IN-?LACE-CONCRETE 310 structural Concrete the Customer Co '. A. Codes and Standards 1 . Uniform Building Code. 1982 Edition, P O. Box 886 Benicia, Gq 2. ACI Standard 301-83. "Specifications for Structural Concrete fo)r Buildings. " I B. Materials 3 1 . Portland Cement: Type II conforming to ASTM C 150, low alkali . 2. Aggregate: a. Course Aggregate: Conform to ASTM C 33, Refer t0 Paragrap)h C for maximum size. b. Fine Aggregate: Conform to ASTM C 33, SHEET TITLE SPECIFICATIONS I S. Wetel: Clean and free from deleterious tefioUS amounts Of fOfel9n matter . 4. Sand: Conform to ASTM C33. 5. Curing Materials: ASTM C 309 for compounds and white polyethylene ,i film. Clear or black not acceptable, C. Concrete Design , REVISIONS DATE 1 , Minimum 28-day ultimate compressive strength: 2500 psi ; maxlmium aggregate size 3/4"; and maximum slump: 40; transit-mixed concrete: 'i conform to ASTM C 94 2. Weighmaster' s certificate required for all concrete. 5. All concrete shall be reinforced unless noted, "Not Reinforced 4. Contractor shall submit a mix design for approval for each tyoie of concrete used stamped and signed by a licensed testing lab or icivil Dace Drawn By engineer. Mix designs shall list all elements used by weight, : Job No. Checked By including any admixtures. i SHEET D IL O 1 OF SHEETS i