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HomeMy WebLinkAbout3794-8 CONCRETE 2. All liquid curing compounds shall be used in accordance with the manufacturer's 4.02 INSPECTION OF WORK AREAS 4.12 CLEANUP 3.01 MANUFACTURERS PA RTilt-AttATERIALS recommendations and shall not be used on surfacers receiving concrete PART 1-sl'1nPE CFTC hardener. A. Inspect related Work and adjacent surfaces for completeness. All subcontractor's materials and tools of the trade shall be removed from the b site upon completion of A. Materials are specified bybrand names to establish a standard of quality. The Landscape job po p t� � Y Materials shall be of first quality and of domestic manufacture as noted below: work. Subcontractor shall be responsible for damage to the finished surfaces of other work. Subcontractor Architect will consider substitutions for brand names of products specified, provided the � 4,10 DEFECTIVE CONCRETE B. Correct conditions detrimental to a proper and timely completion of the Work. guarantees all work will be performed In a good and workmanlike procedures set forth for substitutions and submittals are followed. The Landscape A. Rolled steel shapes and steel plates: ASTM A36. ittr(Oj1.01 WORK INCLUDED manner, Architect reserves the right to reject any material which, in his opinion,will not produce the � A. Concrete which is not in accordance with these specifications,out of line, level,or plumb; 4.03 OBSERVATION OF MASONRY WORK PART 5 WARRANT/F.S quality of work specified herein. The term"paint"as used herein includes enamel, B. Steel tubing: ASTM A500 Grade A,or ASTM A501 seamless-Q.A. per details. a�1,) Work includes, but is not limited to the following:Furnish all labor and materials,appliances tools, showing structural cracks,rock pockets, vols, *palls, honeycombing,exposed Pie*varnishes,emulsions,lacquers and sealers. The following manufacturers' r �� equipment,facilities,transportation,and services necessary for Installing all concrete work complete as reinforcing or other damaged surfaces shell be considered as defective. Perform all masonry Work under continuous observation by the Landscape Architect and/or Owner's In addition to manufacturers'guarantees or warranties,all work shall be Warranted for one year from the date products and numbers constitute the standards for the primer and finish coats of the paint C. Steel pipe: ASTM A53,Type E or S,Grade A or Al20,galvanized 6"diameter. , fie Indicated on the drawings and Specifications Ind but not limited to: P hereinafter specified: " � representative. of Final Acceptance against defects in materials and workmanship by Contractor. Warranty shall also cover P B. All fines and irregularities shall be removed from exposed concrete surfaces while the repair of damage to any part of the premises resulting from defects in materials and workmanship to the D. Steel bolts: ASTM A307,Grade A. Furnish and set all reinforcing steel, bolts and anchors, concrete Is still green. Where patching Is required, all loose and uniform concrete shall be 4.04 PREPARATION satisfaction of the Owner. 1. Primer:Federal Specification TT-P-86,Type II(red lead alkyd type)or TT-P-645 A. v.- . removed prior to patching. (zinc chromate type)to be compatible with finish coat. E. Welding rods: Conform to AWS requirements for intended use. B. Install all Items required by other trades whidi are to be cast into concrete. A. Previoa,a ly placed concrete or masonry: Clean of encrustations, 'silence, oil and coatings END OF SECTION 2. Finish Coats: Enamel, Int stain, varnishes,emulsions, lacquers and sealers 4.11 CONCRETE FINISHES which would reduce bond. Wash Work thoroughly with water under pressure;leave Pa «pu F. Concrete inserts: As indicated on the plans. AR0HHERRA C. Concrete mow curbs, banding,poured in place walls,other network,footings, surfaces damp where masonry units connect with earlier placed Work. shallbe as specified on plans and details. pens and slabs for:wells,fencing, benches,controllers,decks,etc.,where Flat surfaces shall be ecreeded to the required levels and slopes and then any moos water or laitance SITE CARPENTRY G. Shop prime-coat paint: Conform to either FS TT-P-88 Type Il for red lead/alkyd type paint (� U applicable removed. Concrete shall be compacted with a grid tamper and then floated to a true and level surface within B. Masonry units: Thoroughly dean of dust,grease,oil, or other matter which would reduce 3 02 COLOR AND LIFE OF FINISH or to FS TT-P-45 for zinc chromate type paint(2 applications-shop&site). t. dilll'm the tolerance of 1/8-inch along a 10-inch straight edge. Contractor shall insure positive drainage on all bond. PART:i-St'.?P EIALQRK PART-._GENE-RAL network. See Plane for concrete finish in landscape areas. A. Colors shall be selected by Landscape Architect. Owner reserves the right to change H. Touch-up for galvanized surfaces: All State 5321 Galvanizing Powder(30%tin,30%zinc, 161191AND SCA P E C. Wetting: Do not wet concrete block units before installation. colors to match and/or contrast building colors up to and including time of execution. ' 40%lead and flux)as manufactured by All State Welding Alloys Co.,or Speed Galvanized Contractor shall provide all materials and work necessary to furnish and Install complete and in place all site byW,D.L. Co.or equal. ARCHITECTURE the EXPANSION JOINTS All requirements of subsection 3.31,standard specifications for Public Works Construction,shall apply D. Reinforcement:Clean off excess mill scale,loose rust,oil and coatings which would carpentry work shown on the Drawings and Specifications herein. B. Color of all surfaces finished under this Section shall,at the end of one year, have except as specified herein. Placement of expansion joints shall be as directed and determined by layouts of slab markings noted on reduce bond.Secure anchorin place. remained from serious fading, and no variations will be allowed. All materials shall then I. Non-shrink grout: Mini Wax Construction Products Division Por-Rock,or approved equal. SITE PLANNING drawings. Expansion joint material shall be Poly Foam,or approved equal,or as noted on Plans. Expansion 1.01 WORK INCLUDED have adherence to the end of one year,and there shall be no evidence of blisters, 10221-A Trademark Street 2.1 INSPECTION OF SITE joints shall be recessed one-quarter inch from finish surface and sealed with a bead of grey thiokol sealant 4.05 PLACING REINFORCEMENT running, pealing,sealing, chalking, streaks or strains at the end of this period. J. Metal enamel: FS TT-P-37C-(2 coats). Rancho Cucamonga, CA 91730 or equal. Silica sand to match concrete color shall then be tamped into thiokol bead. Perform all work necessary and required for the construction of wood structures and devices as indicated Tel (9091 484-2800 Examine related work and surfaces before starting work in this section. Report to the Landscape Architect A. Place reinforcement In accord with ACI 531, on the Drawings, Such work includes,but is not limited to,the following: 3.03 MATERIALS FOR GENERAL USE PART 4-EXECUTION Fax (8091 484 2802 in writing,site conditions which will prevent the proper provision of this work. Beginning the work In this 4.13 CONTROL JOINTS °`"'% A. Miscellaneous light form work Richard Krumwiede section without reporting unsuitable conditions to the Landscape Architect constitutes acceptance of site B. Place all reinforcement and embeds prior to grouting. Thinner, linseed oil,or other solvents required shall be as recommended by each manufacturer for his 4.01 FABRICATION t ca Lim#291a conditions by the Contractor. Any required removal,repair,or replacement of this work caused by Control joints and other edges shall be formed in fresh concrete using a clean edging or jointing tool to respective product. �r �,� nAizv Uc.#X18 unsuitable conditions shall be done at no additional cost to Owner. provide a smooth uniform finish. C. Reinforcing steel,except dowels in other Material. B. Stairs A. Conform to the requirements of the referenced standards. hx,Lk.ease C. Decks PAR 4- EC ITION 2.2 PROTECTION OF EXISTING CONDITIONS 4.14 PROTECTION 1. Vertical berg: Continuous from bottom cell to top of wall,centered in cells, 1. For manual welding, use low hydrogen type E7015 and E7018 electrodes. except where otherwise indicated. Secure vertical reinforcement in position at D Headers 4.01 SURFACE PREPARATION Contractor shall acquaint himself with all site conditions. He shall take necessary precautions to protect All finished concrete work shall be baMcaded to pedestrian traffic for three(3)days. Barricades shall be top,bottom and at intervals not farther apart than 192 bar diameters. Where 2. Weld preheat shall be determined from Mill Reports showing the chemical NO S C A PE existing site conditions, Should damage be incurred,this Contractor shall repair damage to Its original placed immediately after concrete finishing. Contractor shall furnish, place and remove all of his own necessary, hold vertical steel firmly in place by frames or other suitable devices E. Overhead structures A. Painting: No painting or finishing shall be started until the surfaces to be painted or composition of the reinforcement. O Krum;pi_ '�9 condition or furnish and install equal replacement at hie own expense,to the satisfaction of the Owner. barricades Contractor shall be responsible for any damage to new construction and replacement of repair of as accepted by Architect. finished are in proper condition in every respect. Surfaces that cannot be properly ae �y' the work shall be made without added cost to Owner, prepared by the painter for finishing shall not be painted or finished until they are rectified, B. Shop prime all ferrous items to 1 mill dry coat thickness after fabrication,deburring and - c� ��,,, .,_, 2. Horizontal bars: Wire t raril above exact position and to indicate 1.02. RELATED WORK IN OTHER SECTIONS grinding smooth weds and rough spots. Touch-up after installation. Leave in proper :1*:".. 2.4 COORDINATION empo y po unless instructed otherwise by the Landscape Architect. 9 9 g Po P p P `l,4.15 PATCHING correct locations. Use calibrated vertical bars where indicated,wired to vertical condition to receive finish painting. a' - -� bars or dowels. p� B. Cleanliness:Surfaces to be painted shall be clean and free of dirt,dust,and any other The followingitems of associated work are included in other sections of these Specifications: A. Cooperations On-Site;Coordinate and cooperate with other contractors to If patching is necessary and permissible,a bonds agent such as Weld-Crate,or _is i enable the work toproceed as rapidlyand as as � t�e►h equal,shall be used, substance which might Interfere with the application of the paint. All surfaces to be 1. Do not paint rebar and steel surfaces to be embedded in or bonded to concrete. "N^ possible. 3. Accurately splice using lap of bars as indicated on drawings with a minimum of 40 A. Painting painted shall be in proper condition to accept,and assume the proper adhesion and s�i �b 4,16 CONCRETE CURBS bar diameters. functioning of,the particular painting or coating specified. C. Welds shall be ground smoothly, all weld spatter removed and work shall comply with the J'/41 Z. t• ��e 9. Work With Other Trades;Coordinate with General Contractor items of other PART 2-QENERAL specifications of the"American Welding Society." '�l 0 trades to be furnished and set in place. Such portions of their work as all or In Construct concrete curbs at locations shown on Plane as detailed,true to line and grade,as approved by 4. Tie at intersections using No. 18 gauge annealed wire, C. Notification:Surfaces which cannot be prepared or painted as specified shall be 0 FSI C(1,1.� part embedded, built-in, attached to, or supported by the work shall be the local County or City. Use natural grey Portland cement concrete,2000 PSI compressive strength. 2.01 SUBMITTALS immediately brought to the attention of the Landscape Architect. Starting of work without D. Subcontractor to perform all the above work in accordance with the governing plans and executed by them in ample time that progress of the work Is not delayed. Locate expansion joints as detailed or shown,and as directed,at intervals not to exceed fifteen feet(15'). 4.06 MORTAR AND GROUT such notification will be considered acceptance by Contractor of the surfaces involved, specifications. i i1 C L 11'=ITT, Any cutting or patching made necessary to comply with this injunction shall Finish with steel trowel,then brush with bristle brush parallel to face or edge. Submit color samples of all samples of all paints and stains to Landscape Architect for approval, 10 days Contractor will be required to replace any unsatisfactory work caused by improper or " be done at the Contractor's expense. A. Mortar; Type S in accord with UBC Chapter 24. prior to application. defective surfaces,as directed by the Landscape Architect,at no additional cost to the 4.02 INSTALLATION 4.17 CLEAN-UP Owner. 1. Color: As indicated on plans. 2.02 STORAGE & HANDLING A. Miscellaneous metalwork shall be free from defects which would impair strength, durability 2.5 APPROVAL 4.02 WORKMANSHIP AND APPLICATION and appearance. Upon completion of all concrete work and before final acceptance,Contractor shall remove all tools,surplus Wherever the temps"approve,""approval,"or N materials,apparatus,debris,etc., from the ate and the site shall be left in a dean, neat condition B. Grout: In accord with UBC Chapter 24,with exception that lime shall not be used, A. Storage;Lumber shall be stored In neat stacks at the site unless it is to be used approved are used in the Specifications,they mean approval ac eptable to Owner. immediately. All lumber shalt be piled so that it may be readily inspected and shall be A. Quality:All painting shall be done by skilled and experienced craftsmen working under the B. Erect plumb,straight,true and accurately fit in place. Brace, reinforce, and anchor in of the Landscape Architect,the Owner's Representative or their field representatives,or in writing. C. Dispose of mortar and grout not used within 30 mihutes after leaving mixer. Retempering handled in a manner that will avoid injury or breakage. supervision of a capable foreman. All workmanship shall be of the highest quality and to place, Grind all field welds. PART 5- WARRANTIES of mixture will be allowed in accord with USC Chapter 24. the complete satisfaction of the Landscape Architect, Ail materials shall be applied in 2-d SUBMITTALS B. Piling Wood/Protection;Structural timber shall be neatly piled on skids above ground and accordance with the manufacturers'directions,and materials shall be thinned only in C. Provide non-shrink grouting of all frames, plates,sills,bolts and other items not Z In addition to manufacturers'puera + or warranties,all work shall be warranted for one year from the date D. Mortar and grout minimum compressive strength: shall be protected from the sun when necessary to prevent warping. Treated lumber shall compliance with the manufacturers'specifications. designated to be done by others. At least 10 days after award of contract, Contractor shall submit for approval samples and/orof final acceptance against all defects in materials and wonkmanshlp by contractor. Warranty shall also be handled with rope slings. Cant hooks,peaveys,or other sharp instruments shall not be t manufacturers'latest catalog cuts and specifications of the following prior to beginning work. Approved 1. Mortar: 28 days 1,8000 psi used in handling treated timber. Undue injury in handling will be cause for rejection. B. Preparation:All material shall be evenly brushed, rotted or smoothly flowed on without runs 4.03 REPAIR OF DEFECTS samples shall be standards for completing work. cover repair of damy pmaterials anworkmanship age to any of the premises resulting from defects in ateriald khip to the satisfaction of the Owner. or sagging and fres from drops,ridges, laps, and brush marks. No coats shall be applied g 2. Grout: 28 days 2,000 psi PART 3,MATER/ALS until any previously applied coats have thoroughly dried. Sand surfaces between coats A. All defective or damaged work shall be replaced,removed and repaired as directed by the ft, A. One 2-ft. x 2- x 2-in.sample for each type of concrete finish and color at the job site. as necessarytoproduce a smooth finish. ill END OF SECTION E. After all ingredients are in the batch mixer, mix mechanically for not less than three Landscape Architect or Owner's Representative at no cost to the corer. B. Color samples for expansion joint compounds. A. Grading standards;Redwood shall be in accordance with"Standard Specifications for Superintendent.u es. Doon t use hand mixing unless specifically acceptable to Project Grades of California Redwood Lumber"graded under the rules of the Redwood Inspection C. Application shall be as follows: 4.04 CLEAN-UP Z C. All submittal data shall be forwarded in a single to the LandscapeArchitect withinService. ^ package a CONCRETE UNIT MASONRY AND STUCCO SURFACING 1. Paint: Two coats to match color of buildings-color to be selected by Owner. A. Clean-up and remove from the site all unused materials and debris resulting from the O UCC 15 days after award of the GeneralContrad unless otherwise approved by the Landscape 4.07 WORKMANSHIP Architect and/or Owner's Construction Representative. PART 1 -SCOPE OF WORK 8. Lumber: performance of this work not less than once a week or the last working day each week. All 2. Primer: Two coats-one coat shop applied and one coat site applied. trash shall be removed completely from the � +---i A. Preserve unobstructed vertical continuityof cells to be filled. Fullybed webs andplat y project site. 2.7 SUBSTITUTIONS 1. All lumber shall conform to the allowable charaderfstics permitted within the �"" � J X 1.01 WORK INCLUDED crosswalls forming such cells in mortar to prevent leakage of grout. applicable grading rules. No lits,checks,holes,decay or other irregularities 3. Unless otherwise instructed,all paints and rimers shall be sprayed or rolled on- `t ,1 PP g n9 P eW Pa pB. Touchup;Contractor shall clean and retouch Contractor's work as necessary,or as LL will be fitted except those charaderletic o1 that rade... site. A. Standen*:Specific reference to manufactOrers narnesand products specified in this i p g required for final approval by the Landscape Architect within 24 hours notes, 4. section aro used as standards'this i es no to substitute other material or Furnish all labor,lode,equipment,materials,transportation,and perform all operations necessary and B. Fractional parts d masonry unite*are prohibited where whole units can be used. Chinking < .2 incidental for the execution and ion of all concrete unit mason in accordance with the of interstices with fragments will)not be allowed. Provide special unite as necessary to 2. Unless otherwise indicated on Drawin or S cations,lumber shall be either D. Finished Product:Com ed ainted surfaces shall be free of blisteri runni lin , " V tLU is. - without written approval of the Landscape Architect. R► ry P P blistering, n9� g C. Unpainted Surfaces;Contractor*hall leave all surfaces not to be painted,paving, 1--t%- methods Drawin and Specifications including, but not limited to,the follows work items: form openings and lintels. redwood construction heart and/or lou las fir, resewn,with no a scall streaks or stains and the colors of all surfaces shall remain free from fads and ¢Cin 5* pus ng, ng g >h�es n9. � ►'►g hardware,or plant materials free from any paint,stain,spatterings,smears or smudges sapwood. uniform in color. which are the result of his o B. Approval;Installation of any approved substitutions is Contractors's responsibility.Any C. Do not construct anypart of an masonrywall more than 8 feet higherthan adjoining operation. all Z a F-9 A. Pilasters(Stuccoed where applicable) ]Nj 9 flanges required far Installation d any approved substitution must be made to the portions. 3. Header;Construction heart grade redwood header and stake,where applicable, M ^ satisfaction of Landscape Architect and without additional cost to Owner. Approval by 4.03 CLEANUP AND CLEANING D. Location;Contractor shall not clean equipment and brushes or dispose of thinners, paint W Cl) Landscape Architect of substituted materials and/or dimensional drawings do not waive B. Walla Stuccoed where applicable) SAS or roughsawn as detailed. (� ( apP ) or other chemicals in areas to be planted or in the vicinity of existing plants. 1J LC;�, these requirements. D. Where absolutely necessary,fuer construction purposes to atop cit longitudinal runs of A. Safety/Cleanliness: Upon completion of the painting work Contractor shall remove from ■� C. Masonry t3sa ues(Stuccoed where applicable) masonry,stop oft only by racking back one-half unit length in each course. Toothing C. Hardware: se- Q 1* Y � apt the premises and dispose of all scaffolding and equipment, surplus material, empty BART 5.-��jg�yT/ES shall not be permitted. W PART 3-MATERIALS containers and other debris resulting from Contractor's operations. The site shall be lett a Z 1.02 RELATED WORK 1. Galvanized;All hardware required for fabrication, including brackets, hangers, clean and neat in all respects. p Q E. At openings for ducts, pipes and conduit built into masonry walls,kart to form fractional hinges,fasteners, and nails shall be hot-dip galvanized. Screws, nuts, bolts, In addition to manufacturers guarantees or warranties,all work shah be warranted for one year from the date C�_ Materials shall be of first quality and of domestic manufacture as noted below: A. Furnishing andakin rebar. units with abrasive saw. and washers shall be hot-dip galvanized or cadmium - IiVARRANT/FS of Final Acceptance against defects in materials and workmanship by Contractor. Warranty shall also cover p- g plated. E' T - repair of damage to any part of the premises resulting from defects in materials and workmanship to the • F. Align vertical cells to maintain continuous unobstructed cell area. 2. Additional Hardware;When shown on the plans and in addition to hardware, satisfaction of the Owner. IIU A. Portland cement shall conform to ASTM-C150,Type I or Type II. B. Concrete placement. PIIn addition to manufacturers guarantees or warranties,all work shall be warranted for one year from the date g incorporated structural members fabricated from steel, concrete,or other materials shall be of Final Acceptance against defects in materials and workmanship END OF SECTION B. Concrete aggregate shall conform to ASTM-C33. C. Stucco application, G. Set units with joints straight andl uniform in width. incur rated into the structure. P age p by Contractor. Warranty shall also cover repair of damage to any part of the premises resulting from defects in materials and workmanship to the t C. Water shall be clean,free from strong acid,alkali,oil or organic matter. P_ABT 2:�EL1lEHAL 4.08 JOINTS AND COURSING-EXPOSED MASONRY PART 4-FXFCUTIOAI satisfaction of the Owner. • R Admixture for all formed concrete shall be SIKA Chemical Corp.'s"Plastimsnt",or 2.01 PERMITS & INSPECTIONS A. Joints: Raked as exposed masonry and flush with stuccoed;concave tooled with brick. 4.01 QUALITY approved equal,applied in strict accordance with manufacturer's directions. END OF SECTION Obtain necessary Cit Builds &Sestet Department B. Bond: Common running bond,runless otherwise indicated. Workmanship shall be first-class throughout. All lumber shall be accurately cut and framed to a dose fit and B. Reinforcement: reinforcing steel ASTM-A15 and ASTM-A305.Wirefabric: ASTM-A185 Y y ng y Depa permits and inspections. shall have even bearing over the entire contact surfaces. All joints shall be square and tight unless TUBULAR hammerSTEEL _ C. Joints:3/8 Inch wide. otherwise shown. No shimming will be permitted in making joints. Work shall be free of hammer marks, ) T TI T E F. Forms: 2.02 APPLICABLE STANDARDS dents or other disfiguration. Nails to be seated flush unless otherwise shown. Unless otherwise indicated D. Keep all areas to be grouted free from mortar so that grout will contact foundation. on Drawings, countersink finishing nails 1/16 inch. Unless otherwise indicated on drawings, holes for PART i - .SCOPE OF WORK 1. Lumber shall be"construction grade"Douglas fir. Any reference to the"Standard Specifications,""ASTM,"or"ACI"manuals shall mean the current or latest countersunk bolts shall be bored with a bit 1/6 inch larger than the accompanying washer and to a depth editions. E. Perform tooling or raking when rmortar is partially set but still sufficiently plastic to bond. which allows bolt head to be secured flush with finish surface of wood member. Holes for lag screws shall be 1.01 WORK INCLUDED 2. Plywood for forming of concrete which Is exposed shall be Plyform. All plywood Use a tool which compacts mortar, pressing excess mortar out of joint rather than same size as diameter of inner shank(bolt size minus depth of thread), used for forming shall be at least 5/8-inch thick and edge sealed. A. Standard Specifications:Standard Specifications of the State of California, Business and dragging it out. A. Furnish and install tubular steel per plans, details and specifications. Transportation Agency, Department of Transportation,CALTRANS. 4.02 HARDWARE G. Expansion joint filler shall conform with ASTM-D1751 (premolded). F. Rake out joints which are not tight at time of tooling, point and then tool-where applicable. 1.02 RELATED WORK IN OTHER SECTIONS B. Standards: aCF JTI[1IV G. Butter vertical head joints well for thickness equal to face shell of unit and shove these A. All bolts 5/8 inch and lees in diameter shall be fitted with cut washers,and all bolts and lag jr?ART 4-E 1, ASTM-American Society of Testing and Materials. joints tightly l that mortar boldos well n both units.- screws over 5b inch in diameter shall be fitted with castor malleable iron washers, unless The following items of associated work are included in other sections of these Specifications; otherwise shown on the plans. A. Painting 4.01 CONCRETE DESIGN MIX 2. ACI-American Concrete Institute, Manual of Concrete Practice. 1. Fill joints solidly from face of block to at least depth of face shell. B. All exposed hardware items shall be installed as hot-dipped galvanized unless otherwise A. Contractor assumes responsibility for the design mix and guarantees the specified 2.03 INSPECTION OF SITE H. Set lintels,capping units and bearing plates in a full bed of mortar. instructed on plan. PARL2-CaENERALZ (f)..,, ultimate strength as indicated or specified herein. Examine related work and surfaces before starting work in this Section. Report to the Landscape Architect I. Control joints shall be as detailed. Apply sealant, where required, in accord with plans 4.03 NAILING 2.01 QUALITY ASSURANCE 0 Cm, B. Concrete, minimum 28-day ultimate strength shall be 2000 PSI. in writing she conditions which wilt prevent the proper provision of this work. Beginning the work In this and specifications. When toe nailing of structural members is required toe nailing shall be at an angle and peneNtration to firmly A. Qualifications: C. Read -mixed concrete shall conform to ASTM-C94. Section without reporting unsuitable conditions to the Landscape Architect constitutes acceptance of site 4.09 GROUT)NG secure member. emeem 0 Yconditions by the Contractor. Any required removal, repair,or replacement of this work caused by unsuitable conditions shall be dons at no additional cost to Owner. 1. Perform shop welding on the premises of a fabricator licensed by the CityFla 4.02 CONCRETE PROPORTIONS &CONSISTENCY A. Fill all masonry cells containing reinforcing steel solidly with grout.At finished course, stop 4.04 EASED EDGES Building and Safety Department. moms 2.04 PROTECTION OF EXISTING CONDITIONS grout one-half the course height below top of last course grouted. A. The proportions of aggregate to cement shall provide a dense mixture which will readily Edges of seat decks, benches,handrails,planter caps and other exi'osed or leading corners are to be 2. Perform welding by welders approved and certified In accordance with work into all comers of the forms and around all reinforcements without any segregation of Contractor shall acquaint himself with all site conditions. He shall take necessary precautions to protect B. Keep mortar dropping out of or remove from grout space before grouting. eased. requirements of AWS. tit the materials,cause excess free water to collect on the surface or cause excessive existing site conditions.Should damage be incurred,this Contractor shall repair damage to its original C. Puddlegrout or vibrate in face, B. Reference Standards: 0"41, bleeding of the forms. condition or furnish and install equal replacement at his own expense,to the satisfaction of the Owner. P 4.05 HEADERS B. The recommended practices of the American Concrete Institute shall be followed inall D. Grout bolts and anchors inserted in wall solidly in place so that there s a minimum of 1 inch Headers are to be installed in accordance with plans and details, 1. "AISC Steel Construction Manual". 2.05 COORDINATION P �. applicable procedures. The maximum slump shall not exceed(4")tour inches for footings, of grout between bolt and masonry unit, unless otherwise indicated. slabs on grade, and mass concrete'5 inches for foundation walls. 2. "Code for Arc and Gas Welding in Building Construction". AWS D1.0 of the 17-- U. A. Cooperation onsite;Coordinate and cooperate with other contractors to enable the work to E. Set bolts frames and inserts necessaryfor attachment of subsequent4.06 CLEANUP Welding Society. Work must be American proceed as rapidly and as efficiently as possible. r.n. 4.03 CONCRETE APPROVAL secured in place prior to grouting. All subcontractor's materials and tools of the trade shall be removed from theob site upon completion of B. Work with Other Traces;Coordinate with General Contractor items of other trades to be 1 3. "Metal Finished Manual", of the National Association of Architectural Metal Z III The concrete quality, proportions,consistency,etc.,Is subject to thea oval of Owner,and no dha furnished and set in place. Such portions of their work as all or in part embedded,built-in, 4.10 POINTING AND CLEANING work. Subcontractor shall be responsible for damage to the finished surfaces of other work.Subcontractor Manufacturers(NAAMM). (ND approval ►'� guarantees all work will be performed in a good and workmanlike shallLila be made without prior written approval. attached to,or supported by the work shall be executed by them in ample time that manner. progress of the work is not delayed, Any cutting or patching made necessary to comply A. Immediately remove from exposed surfaces surplus mortar,grout,foreign material,and 2.02 SUBMITTALS P�4l41�- WARRANTIES 4.04 FORMWORK A. Submit complete shop drawings to the Landscape Architect and/or Owner's with this injunction shall be done at the General Contractor's expense. stains, O A. Forms for concrete work shall be either metal or wood. Fomes that are warped or that do 2.06 FINAL ACCEPTANCE B. Defective joints: Point holes or defective mortar joints in exposed masonry and cut out In addition to manufacturers'guarantees or warranties,all work shall be warrented for one year from the date .Representative for review in advance of fabrication.Show the following on the shop Cies and ropoint defective joints. Replace chipped or broken masonry units. of Final Acceptance against defects in materials and workmanship by Contractor. Warranty shall also cover drawings: 0 (i) not have a smooth straight upper edge shall not be used. Forms shall be set with the repair of damage to any part of the premises resulting from defects in materials and workmanship to the of the board true to line and de and shall be staked rig*in ace with A. Review; Review for Final Acceptance shall be held in conjunction with the final review of upper Sire n0 Y PI satisfaction of the Owner. 1. Show dimensions,sites stake est not more than tour feet(4')apart so as to remain immbvabHe throughout the Section 4-A&B, Planting and Construction. C. Staining and excess mortar: Protect exposed masonry against grout staining. Where thicknesses,gauges,finishes,joining,attachments oonetruction. All forms shall be approved by Owner within a tolerance of one percent grout or mortar does contact the faces of masonry,remove it immediately. Should and relationship to adjacent wank. (1%). All motorise stall be accurately and separately weighted and mixing shall continue B. Acceptance;Work under this Section will be accepted by Landscape Architect upon accidental spillage occur,wash and dean surfaces immediately with a 10%murheatic acid END OF SECTION until the distribution of material is uniform and the mass of concrete is homogeneous. satisfactory completion of all work. Upon Final Acceptance at the end of the maintenance and water solution,followed by a thorough water rinse, Remove stains where they 2• Where welded connections,concrete inserts,and other items are required to period,including backfilling of walls,Owner will assume responsibility for maintenance of occur. receive other work,show exact locations required. B. Two and one-half(2 1/2)gallons of water per cubic yard,shall be withheld from the mix at the work. Said assumption does not relieve Contractor of obligations under Warranty. D. Clean efflorescence from masonry with specified cleaner In accord with cleaner PAINTING 3. For standard manufactured items,submit work sheets showing illustrates cuts of the plant,and all ora portion may be added to the mix at the job site as directed by the manufacturer's instructions. hems to be furnished,scale,details and dimensions. Inspector. The concrete shall be mixed at least 5 minutes atter such water is added and PART 3-MATERIALS PART 1 -SCOPE OF WORK not lees than 3 minutes of this time shall be immediately prior to the discharge of the E. After wall in constructed,do not saturate with water for curing or any other purpose. 2,03 COORDINATION WITH OTHER WORK batch. Total mixing time after adding original water shall be at least 15 minutes. Materials shall be of first quality and of domestic manufacture as noted below: 4.11 STUCCO SURFACING 1.01 WORK INCLUDED A. Examine drawings and educations,and include all miscellaneous metal work which is C. Concrete which is not placed within 90 minutes after the introduction of cement and water, A. Concrete masonry units: ASTM C 90,Grade N-1,hollow, normal weight lad bearing units. g P and cohered*which has stood for 30 minutes after leaving the mixer,shall not be used. A. Wood Framed Walls: Furnish all labor,tools, equipment,materials,transportation,and perform all operations necessary and not distinctly specified in other sections. - ,' • 'F 1. Typos and sizes: As indicated on drawings: incidental to proper execution and completion of all painting work in accordance with the Drawings and y' .•I 44 j EyV I SI O N S' 4.05 REBAR 1. Stucco shall be three coat work not less then 7/8"thick. Specifications.Such work Includes,but is not limited to,the following: e. Provide all connections,anchors, bolts, welding,cutting, punching,drilling,tapping or ��� , �y� i 2. Color: As indicated on Color Schedule. other connecting required to fit miscellaneous metal with other work. %�. 11zit 16• Ci0�7 DhIG 5 Reinforcing bar shall be spliced with 40 bar diamers minimum overlap. (a). Scratch coat shall be approximately 12"thick. Before the scratch coat A. Handrails �; A j�{�r�IG- ID-'2 -d, B. Portland cement: ASTM C 150,Type I or Type It. has set, it shell be well moss-scratched to provide a strong bond and C. Provide items to be installed by other trades well in advance,to permit proper sequencing .� �� - -+ 4.06 CONVEYING AND PLACING damp cured for at least 48 hours. B. Miscellaneous metals and scheduling of other work. ��--ti r , /\ C. Aggregates: D. Conceal all connections in the finished work where possible. Ex screw (b). Brown coat shall be 114"thick. When brown coat has set sufficiently it C. Wood overhead structures p Exposed - A. Before pouring, all forms shall be thoroughly deemed and made tight. The bottom of hard at Y connections shall be Allenhead screws matching the material they fasten. t >< A tranches shall be won down before nee; y 1. Sand: ASTM C 144,clean, strong,durable,free from injurious amounts of shalt be floated with a dry float to forma bond for the finish coat. Brown stili' pouring foots sarin shall not be muddy at the time of saline, alkaline,organic or other deleterious substances,with not less than 3 D. Decks pouring. Concrete shall not be placed until reinforcements, rough hardware,and forms are coat shall be applied no sooner than 48 hours after application of h►j�. percent by weight passing No. 100 sieve. scratch coat. Scratch coat shall be dampened evenly before E. Set base plate for support posts,true and plumb in concrete footing per details. oF Illlc, approved by Owner. application of brown coat to provide even suction. E. Fencing !# � F. Protect all dissimilar metals from galvanic corrosion by pressure tapes, coatings,or B. Before depositing new concrete against cid concrete,all 'Mance shall be removed, and 2. Peagraavel:Anel 0 404,worked and rac .with no more than 5 percent passing isolators. ^ aggro sieve an 1 percent passing enc sieve. (c). Finish color coat shall be approximately 1/8"thick and shall be applied 1.02. RELATED WORK IN OTHER SECTIONS / \ the surfaces r to ex the embedded aggregate. The surfaces shall then bePPr Y PP covered with cement grout,using the specified mix with i 2 of its course to and damp cured strictly In accordance with the manufacturer's G. After erection, aggregate dean off all rust,scale and oil. Clear.field weds, bolts,and abraded D. Water: Clean,portable,from domestic supply. directions, and cit and local governing bodies, The follows items of associated work are included in other sections of these Specifications: omitted, 1-1/2 inches thick. Y g 9areas. Touch-up all areas with the same material as used for the shop coat, leaving all `/ E. Hydrated lime: C 207,Typecontaining85%byweightcalciumStucco shall be Merlax, La Habra or approved equal as per color selection by A. Shop paint of steel materials and miscellaneous metal items surfaces ready to receive finish coats. Apply second coat of primer on site. me:ASTM S,and of oxide. 2. C. Conveying and placing of concrete shall be done so as to prevent separation ofLandscapeArchitect. A ingredients,and in no case shall the free fall exceed 8 feet. Tremfes Nall be used as H. Apply one primer coat and two finish coats of exterior metal enamel to metal surfaces, F. Admixture for grout: Material acceptable to Archfrom itect. Obtain acceptance fProject PART 2 r A required. Surfaces of concrete shall be kept reasonably levet,with a minimum amount of � ---- color as selected by Owner's Representative. concrete being allowed to flow after being placed. Placing shall be performed as a Supervisor prior to use, 3. Packaged material shall be delivered in the original packages,containers or continuous operation until each section Is cam eted, bundles bearing the name of manufacturer and the brand name. f. Use according to manufacturer's printed instructions. Secure manufacturer or 2.01 SUBMITTALS D. Concrete shall be led and vibrated with mechanical vibrators to a maximum distributor initial supervision by a qualified field representative to assure proper 4. Texture to be rubber float finish(scrub coat)oras approved by Landscape ' Before beginning work, prepare for approval a sample of each color and finish required. Such samples, subsidence,without separation of ingredients. The movingof concrete byvibration will use of admixture. Architect.5. All exposied foundations shall receive one application of finish color rwhen approved,shall constitute standards for color and finish for acceptance of completed work. Samples dP o nrri1' not be permitted G. Mineral color pigments Pure ground mineral non-fading oxides, lime and alkali proof. coat to match building color. shall be made upon materials corresponding with those to be finished on the site. All work shall match the - Colors as selected by Landscape Architect where applicable. 6. All stucco shall be water proofed up to three feet above finish grade with approved colors and samples. Submit samples to the Landscape Architect 15 days prior to construction for 4.07 COLORED CONCRETE approval. KPF H. Cleaning material: Sure Kean No, 800 detergent,by Process Solvent Co., Inc.,or Thompson's Water Sealer or equal. Integral color and Dust-On color hardner shall be asspecified onplans and details. equivalent. 2.02 PRODUCT HANDLING � B. Block Walls ________DATE 1111111.1111 I. Expansion joint filter:ASTM C 1751. All paintingmaterials shall be delivered to the site in the manufacturers'original containers with labels Intact 4.00 GROUTING 1. Stucco shall be two coat work not Ices than 1/2"thick. g J. Sealant materials: As noted on plans. and seals unbroken. They shall be stored in a safe place, In accordance with current local regulations. All 7/21/05 A. Grout shall be composed of one part Portland Cement and two parts of fine aggregate by (a). Brown coat shall be approximately 3/8"thick. Float with a dry float to necessary precautions shall be taken to avoid danger of fire. volume. Materials shall be mixed dry and water added just sufficient to make the mixture K. Submit Catalogue Cut Cerrentitious waterproofing material, form a bond for the finish coat. flow under its own weight. ENVIRONMENTAL CONDITIONS C b ' L. Vertical expansion joints: In concrete masonry wall construction shall be a minimum 20'- (b). Finish color coat shall be approximately 1/8"thick and shall be applied cement. For dry tamp cement grout,a minimum M water atoll be added to the mix so that when wet 0"apartUse brooking bond whether for exposed or stuccoed masonry wall work. and damp cured strictly in accordance with the manufacturer's direction Surfaces shall be painted only when they are free from moisture. No painting of exterior surffaces shall be p sample is squeezed hard in the hand,surface moisture, but no free water,shall appear on including city and governing bodies. done less than 72 hours after a rain,nor during periods of dew or fog. Receiving surfaces small be properly N/A the sample. Do not mix more than can be used in 30 minutes. PART 4-EXFCUTiON dried out before proceeding with the work. No painting shall be done when temperature is below 50 degrees F. 4.09 CURING AND PROTECTION 2. Color and manufacturer shall be selected and approved by Landscape Architect. , i{'�rif i i. Each item of Work shall include excavations for foundations and footings, concrete masonry block, MY Or F0:211=A, CALCONNIA deformed billet-steel bars, Douglas Fir wood grant, stucco finishing and backfilling clean-up to the 3. Deliver packaged material in original packages bearing the manufacturer's and 2.04 SCAFFOLDING AND PROTECTION �- 0328--3 A. All exposed surfaces of concrete shall be protected from damage due to temperature, satisfaction of the Owner. brand names. elements,and construction operations. Furnish, maintain and remove all scaffolding and ladders required for this work,and all drop'clothes for the 4.01 LAYOUT 4. Texture as called out on plan or I.P.field approval. protection of walks,fixtures,or other surfaces not to be painted. Painted and finished surfaces subject to B. Curing shall be as follows; damage or defacement shall be properly protected and covered. Contractor shall be responsible for any and DRAVVNBY' SIERRA DETENTION BASIN SCALE: tiii#tIr 1 All walls are to be staked in the field for top of footing,top of wall, lengths of walls and all steps in walls,on 5. All exposed foundation shall receive one application of finish color coat to match all damage to painted work,and to that of other work caused by operations under this Section. part 3- KPF N.T.S. 1. All exposed surfaces of concrete shall be protected form premature drying and the square footage"as staked"in the field. Any changes or deviations which add or delete concrete block building color. materials DESIGN BY: COMMUNITY FACILITIES DISTRICT Dwo freshly placed concrete shall be protected against wash by rain. All concrete walls will be corrected or approved by Project Superintendent and adjusted by drawings submitted and ��' shall be kept wet for a period of ten days after placing. In order that curing water approved by Landscape Architect and Project Superintendent. Any overages will be per square footAineal KPFL.8 may reach both surfaces of walls,the forms shall be loosened and water shall be foot unit cost. �� 11/17/04 poured over the tops of the walls and allowed to run down between the concrete CHECK BY: i1PP'• -� BY: .ND.: C ENGINEER R.C.E 51152 EXP.DATE 1231 3794 and the forms, JRC DATE:/41-0‘ :0.03/9/ 8 OF 9 SHTS.