Site work for a playground / park / athletic field in Oswego, Illinois. Completed plans call for site work for a playground / park / athletic field.

The Oswegoland Park District is not responsible for communications received or not received through any other source. Questions can be directed to Colleen McCarty at cmccarty@oswegolandpd.org or 630.554.4426. Bidders shall carefully examine the contract documents and inspect the project site to obtain first-hand knowledge of existing conditions. Question Deadline 08/04/2025 Should a bidder find, during the examination of the contract documents or after his/her visit to the site, any discrepancies, omissions, ambiguities, or conflicts in or among the contract documents, or should he/she be in doubt as to their meaning, he/she shall at once bring the questions to the attention of the park district for answer and interpretation. DESCRIPTION A. Base Bid 1. This work includes but is not limited to furnishing and transporting all materials, equipment and labor necessary for: a. Excavation and preparation of subgrade and base for all concrete work. b. Construction of concrete walk, pads and footings. c. Use of excavated materials on site. d. Repair of damaged areas and clean up project site. 2. This section of the specifications is part of the Contract Documents and the contractor shall comply with and fulfill all provisions and requirements contained in said Contract Documents pertaining to the performance of the work under this section. 1.02 RELATED WORK A. Specified elsewhere: 1. Section 055213 - Pipe and Tube Railing 1.03 REFERENCES A. The latest edition of the "Standard Specifications for Road and Bridge Construction" of the Illinois Department of Transportation and all revisions thereto, herein called the "Standard Specifications." B. American Society for Testing and Materials. (ASTM) C. American Association of State Highway and Transportation Officials (AASHTO) 03300 - 1 1.04 QUALITY ASSURANCE A. The contractor is solely responsible for execution of work to the lines and levels as shown on the plans and drawings. If necessary, he shall employ a licensed engineer or surveyor registered in Illinois to establish all lines and levels required for execution of work indicated or specified. This work shall be considered incidental to the cost of the work to be performed. B. These following specifications shall supplement the latest edition of the "Standard Specifications for Road and Bridge Construction" of the Illinois Department of Transportation and all revisions thereto, herein called the "Standard Specifications". In case of conflict with any part or parts of the "Standard Specifications," these said specifications shall govern. C. Comply with all codes, laws, regulations of Federal, State and Municipal authorities having jurisdiction over this part of the work. D. Testing 1. The contractor may be required to cast and cure two standard concrete test specimens each day concrete is placed for subsequent testing by owner's engineer. Preparation of test specimens (12" x 6" diameter cylinders) and curing shall be in accordance with the applicable portions of Section 504 of the "Standard Specifications." 2. All tests shall be made by the owner's laboratory or engineering company and paid for by the owner. The contractor shall furnish and prepare materials to be tested. 3. If the concrete fails to meet the design requirements, the contractor will be liable for the cost to repair and replace the concrete work. 4. All this work shall be considered incidental to the cost of the contract. 1.05 JOB CONDITIONS AND PROTECTION A. Cooperation 1. The contractor shall cooperate with other trades regarding installation and construction and obtain templates, dimensions, instructions, etc. from other trades or other contractors. 2. Before making any installation, confer with all other contractors whose work may effect the work under this section and make any necessary changes to avoid interference or improper effect on work to be performed by all other trades. In the event that interferences develop, the owner's decision will be final and no additional compensation will be allowed for moving of misplaced materials, and/or equipment. 03300 - 2 B. Existing Field Tiles: The owner shall be notified of any drain and / or field tile encountered by the contractor on the site. If the drain and / or field tile is broken, it shall be repaired, tied into the storm sewer being installed by the contractor or removed and replaced with an open ditch as directed by the owner. All drain tile will be repaired, removed and/or replaced without cost to the owner unless discussed with the owner. C. Safety 1. 2. 3. Safety Precautions: The contractor shall take all necessary precautions to insure safety and prevent accidents or injury to the public, children and workers on, about or adjacent to the site during working hours and after hours. Safety Devices: Provide all barricades, orange safety fencing, lights and other protective devices necessary to surround the construction area and fulfill the intent of the work, including requirements of all Federal, State, or Municipal laws or ordinances and maintain same for full period of this operation, removing same when indicated or no longer required. Excavations shall be protected at all times and maintained in good order until backfill is in place. If Owner determines the site is not adequately protected, Owner will provide and install the necessary fencing, safety devices etc. and deduct the cost of this work from the contract. D. Utilities: The contractor will be responsible for calling J.U.L.I.E. (811) to verify the location of all underground utilities prior to the start of construction. The cost to repair and replace any existing utilities damaged will be paid for by the contractor. E. Construction traffic shall enter and leave site at a designated access point. Provisions shall be made to minimize the transport of sediment (mud) by runoff or vehicle tracking onto public streets. The Contractor shall keep all public streets clean of dirt and debris and, when necessary, clean pavements on a daily basis. F. All the work in this section shall be considered incidental to the cost of all work to be performed. 1.06 SUBMITTALS A. Concrete delivery tickets shall be submitted by the contractor and shall indicate: 1. Contractor's name, name of ready mix concrete producer; truck number, number of cubic yards of concrete and time of departure from plant. 2. Class of concrete, cement content in bags per cubic yard of concrete, admixture, amount of water added, and who authorized addition. 03300 - 3 PART 2 PRODUCTS 2.01 COARSE AGGREGATES FOR BASE COURSE A. Aggregate Subbase: The material for the aggregate subbase shall be crushed limestone (Gradation CA1) and shall meet the requirements of Section 1004, of the "Standard Specifications." B. Aggregate Base Course, Type B: The material for the aggregate base course, Type B shall be crushed limestone, Gradation CA6 and shall meet the requirements of Section 1004, of the "Standard Specifications." 2.02 CONCRETE REINFORCEMENT BARS, CHAIRS, FABRIC AND STRAND A. Materials for reinforcing bars, chairs, fabric and strand shall be as specified in Article 1006.10 of the "Standard Specifications" and ACI's "Manual of Concrete Practice". 1. Reinforcing steel shall be deformed steel bars conforming to the requirements of AASHTO M31 or M53, 60 grade. 2. Reinforcement fabric shall be welded wire fabric conforming to the requirements of AASHTO M55. a. Plastic fiber in the concrete mix in lieu of wire fabric will not be allowed. 3. Support for the welded wire fabric shall be chairs conforming to the requirements of ACI's Manual of Concrete Practice. 2.03 CONCRETE MATERIALS A. Portland Cement: Portland cement shall meet the requirements of Article 1001 of the "Standard Specifications." B. Aggregates: Aggregates for concrete shall be hard, sound, uncoated particles. Coarse aggregate shall be gravel or crushed rock ranging in size from 1/4" to 1", evenly graded and mixed and shall conform to Article 1004.01-1004.02 of the " Standard Specifications". The stone or gravel shall be free from clay or other foreign substance. Fine aggregates shall be clean, sharp, coarse torpedo sand free from clay, loam or any other foreign substance and shall conform to Article 1003.01-1003.02 of the "Standard Specifications." C. Water: Water shall be fresh, clean, potable, free from injurious amounts of mineral and organic substances and meet the requirements of Section 1002 of the "Standard Specifications." 03300 - 4 2.04 CONCRETE MIXING A. All concrete shall be ready-mixed concrete from an approved source as specified herein. Hand mixing with materials (cement, sand, Sakrete, etc.) on site will not be allowed. B. Plastic fiber in the concrete mix in lieu of wire fabric will not be allowed. C. Ready-Mixed concrete shall be mixed and transported in conformance to Article 1020.11 of the "Standard Specifications." 2.05 CONCRETE DESIGN MIX A. General: All concrete shall be ready-mixed concrete. Concrete shall maintain a three (3") inch slump and have a maximum slump of five (5") inches. Concrete shall also be made with air entraining admix yielding a total air content by volume of 4 to 8 per cent. 1. Concrete Walk and Pads: The concrete mix for the walk and pads shall have a compression strength of 4000 lbs. per sq. inch (psi) in 14 days, and shall be a minimum of six (6) bags of cement per cubic yard of concrete. 2. Concrete Footings: The design mix for all concrete footings shall have a compression strength of 4000 lbs. per sq. inch (psi) in 28 days, and shall be a minimum of five (5) bags of cement per cubic yard of concrete. 2.06 CONCRETE ADMIXTURES A. Admixtures shall be furnished in liquid form ready for use. The admixtures may be delivered to the job in the manufacturer's original containers, bulk tank trucks or such containers or tanks as are acceptable to the owner. The admixtures shall meet the following Article requirements of the "Standard Specifications." 1. Air-Entraining Admixture: Article 1021.02 2. Retarding and Water Reducing Admixtures: Article 1021.03 Use only with approval of the owner. 3. Set Accelerating Admixtures: Article 1021.04 Shall be used only if authorized in writing by the owner. 2.07 CONCRETE CURING MATERIALS A. Membrane Curing Compound: Shall meet the requirements of Article 1022.01 and shall be Type 1, clear transparent membrane without fugitive dye. 03300 - 5 B. Burlap Curing Blankets: Shall meet the requirements of Article 1022.02 and shall be made from whole stock widths of new burlap. D. Waterproof Paper Blankets: Shall meet the requirements of Article 1022.03 E. White Polyethylene Sheeting: Shall meet the requirements of Article 1022.04. 2.08 JOINT FILLER MATERIALS A. Bituminous Preformed Expansion Joint Filler: Bituminous preformed expansion joints filler shall be of the type, size and shape as shown on the plans, and shall conform to Article 1051.03 of the "Standard Specifications". B. Expansion Joint Cap: The expansion joint cap shall be SNAP-CAP manufactured by SealTight, or approved equal. It shall conform to ASTM D994 and AASHTO M33 of the size as shown on the plans. 2.09 ORANGE FENCING A. Orange fencing shall be of durable lightweight polypropylene construction and a minimum of four feet (4') in height such as PolyBarrier. PART 3 EXECUTION 3.01 PREPARATION AND LAYOUT A. The Owner will be available to discuss and provide input for the finished elevations of the project. All layout and staking as specified shall be approved by the Owner prior to excavation. B. The Contractor shall perform the following preparation, layout and staking work: 1. The Contractor shall furnish and place construction layout stakes for this project. 2. The Contractor shall provide equipment, material and labor to set all stakes for this project to establish offset stakes, reference points, and any other horizontal or vertical controls including supplementary benchmarks necessary to secure a correct layout of the work. 3. The Contractor shall locate and reference the baseline of the plans consisting of establishing and locating the control points of the baseline as PCs, PTs and as many POTs as are necessary to provide a line of sight. 03300 - 6 4. Stakes for line and grade of pavement/trails shall be set at sufficient station intervals to assure substantial conformance to plan line and grade. 5. The Contractor shall exercise care in the preservation of stakes and benchmarks and shall have them reset at his expense when any are damaged, lost, displaced or removed. 6. The Contractor shall be responsible for having the finished work conform to the lines, grades, elevations and dimensions called for on the plans. C. If necessary, the Contractor shall employ a licensed engineer or surveyor registered in Illinois to perform this work as specified. D. Preparation, layout and staking shall be considered incidental to the cost of the work to be performed. 3.02 GENERAL REQUIREMENTS A. After each pour and at the end of each day the contractor shall be responsible for covering, barricading, and protecting the concrete from graffiti and damage until such time that the concrete work is ready to be used by the public. B. If the contractor fails to adequately protect the concrete as outlined above, any graffiti or damage to the concrete work shall be repaired at the contractor's expense even if it means breaking out, removing, and re-pouring the sections that have been vandalized. 3.03 CONCRETE FOOTINGS A. All concrete footings and supports for all work herein are to be cast as shown on the plans and details, or if not shown, by the manufacturer's instructions and specifications. B. All concrete shall be ready mix concrete from an approved source as specified herein. Hand mixing with materials (cement, sand, Sakrete, etc.) on site will not be allowed. C. All concrete footings shall be considered incidental to the cost of the work to be performed. 3.04 CONSTRUCTION OF CONCRETE WALK AND PADS A. The construction of the concrete walk and pads shall be done in accordance with Section 424 of the "Standard Specifications and as modified or specified herein. B. Excavation and Subgrade Compaction 1. The subgrade shall be excavated where necessary to the limits and depth as shown on 03300 - 7 the plans. All soft and yielding spots or other unsuitable materials shall be excavated and replaced with aggregate material. a. All excavated soils shall be used to backfill the edges of all concrete pads and walks. This work shall be done to the satisfaction of the owner. All excess excavated soils shall be removed from site and legally disposed of. b. Any excavated construction debris, boulders, rocks, etc. shall be removed from site and legally disposed of. 2. Maximum width of excavation shall be the limits of the areas to receive the concrete work. The contractor will be held responsible for any unnecessary damage to the existing turf adjacent to these areas of construction. 3. The subgrade shall be tamped or rolled until thoroughly compacted, free of any settlement, and finished to a firm, smooth surface. All work shall be done to the satisfaction of the Owner. 4. Excavation, subgrade compaction, use for backfill and use of excess soil materials as specified shall be considered incidental to the cost of the concrete work. C. Placement and Use of Earth Excavation 1. Placement and use of earth excavation shall include separating topsoil from all other clay soil materials. 2. Excavation from the site shall be used as non-structural fill to backfill areas adjacent to the edge of the walks, pads, asphalt paths or fill in low areas on the site and around newly constructed facilities as shown on the plans. 3. The intent is not for the contractor to "lose" the excavation on site at his or her discretion, but to utilize the excavated material to improve the site as directed by the owner. 4. The excavation for non-structural fill areas shall be graded, leveled and firmly compacted to the satisfaction of the owner to prevent settlement. 5. Use of the soil materials on the site as specified shall be considered incidental to the cost of the concrete. D. Aggregate Subbase Course 1. A compacted depth of crushed limestone subbase (CA1) shall be placed in areas of undercutting to remove unsuitable soil materials below the depth of the proposed aggregate base course for the construction of the concrete walk and pads to the depths as shown on the plans. 03300 - 8 E. Aggregate Base Course 1. A compacted depth of crushed limestone, Type B (CA-6) shall be placed in uniform lifts not exceeding 6" loose thickness and compacted to provide a well compacted, stabilized base free of any settlement under the concrete walk and pads to the depths as shown on the plans. 2. All stone shall be compacted with a hand compactor to the satisfaction of the Owner. 3. This work shall be considered incidental to the cost of the concrete work. F. Forms, Placing and Finishing 1. Forms, placing and finishing the concrete work shall be done in accordance with Article 424.05 and Article 424.06 of the "Standard Specifications." a. All forms and materials for forms shall meet the approval of the owner. They shall be held firmly in place by stakes or braces with the top edge of the forms true to line and grade. b. Forms shall remain in place until permission is obtained by the owner for their removal. The method of form removal shall not result in damage to the concrete. c. Walk and pads shall be the thickness as shown on the plans. d. This work shall be considered incidental to the cost of the concrete work. G. Welded Wire Fabric and Chairs 1. Welded wire fabric shall be cut and placed to cover the entire area to receive concrete surfacing with no gaps. 2. Chairs shall be installed at 24" maximum typ. as shown on the drawings to raise up and support the welded wire fabric. 2. Plastic fiber in the concrete mix in lieu of wire fabric will not be allowed. H. Joints 1. Preformed expansion joints with expansion joint caps shall be installed in accordance with Article 424.07 of the "Standard Specifications." Expansion joints shall terminate in the subgrade and shall be installed at a maximum of 50 foot intervals for walks, at the end of every pour and as shown on the plans. 2. Control joints shall be troweled to a depth of at least one inch and at five foot (5') intervals or as shown on the plans. 03300 - 9 3. The edges shall be edged, including those along expansion and control joints, and shall have a 1/4" radius. 4. This work shall be considered incidental to the cost of the concrete work. I. Curing and Protection 1. Clear transparent membrane, Type 1 curing compound without dye shall be applied the same day concrete is poured. 2. Curing and protection of the concrete work shall be done in accordance with the "Standard Specifications." 3. This work shall be considered incidental to the cost of the concrete work. J. Protection for Safety and from Vandalism 1. All newly poured concrete shall be protected with orange fencing attached to steel agricultural posts around the perimeter of the concrete work. 2. If the contractor fails to adequately protect the concrete as outlined above, any graffiti or damage to the concrete work shall be repaired at the contractor's expense even if it means breaking out, removing, and re-pouring the sections that have been vandalized all to the satisfaction of the owner. 3. This work shall be considered incidental to the cost of the concrete work. K. Backfill 1. After the concrete has cured for the specific time and forms removed, the depressions adjacent to the edges of walk and pads shall be backfilled to the required elevation with approved topsoil material from the excavations and project site. The topsoil shall then be compacted until firm and the surface neatly and fine graded. 2. All excess excavated soils shall be removed from site and legally disposed of. 3. This work shall be considered incidental to the cost of the concrete work. L. Basis of Payment 1. Concrete walks and pads This work will be paid for at the contract unit price per SQUARE FOOT for concrete walk, pads and surface for picnic shelters measured in place as specified. This price shall include all excavation, subgrade and base preparation, removal of excess excavation, aggregate subbase and base course, backfilling, orange fencing, materials, labor, and equipment necessary to complete the work. 03300 - 10 3.05 GUARANTIES AND WARRANTIES A. All work to be performed under this contract shall be constructed in compliance with the "contract documents", and must be guaranteed by the contractor for a period of one (1) year from date of final acceptance against defective workmanship and material of any nature. On all items or equipment to be incorporated in the completed project, the contractor must guarantee that the type, quality, design, and performance will fully meet the requirements of the contract specifications. B. Any and all product and/or equipment specifications, instructions, manuals, manufacturer warranties and/or guaranties, as well as any other pertinent product or project information shall be provided by the contractor after completion of the project and prior to final payment. 3.06 REPAIR AND CLEAN-UP A. All areas disturbed by the contractor's operations shall be repaired to their original condition. The contractor shall pay for the repair of all damage to existing roadways, walks, curbs, utilities, plant material, turf and site furnishings caused by his work. B. At the completion of the work under this contract, the contractor shall remove all his debris and accumulated materials caused by his work and legally dispose of it, and leave the site in a clean, neat order acceptable to the owner. C. All repair work and clean up shall be considered incidental to the cost of the contract. DESCRIPTION A. Base Bid 1. This work includes but is not limited to furnishing and transporting all materials, equipment and labor necessary for: a. Removal of existing posts & railing. b. Preparation & repair all existing concrete slab. c. Construction of concrete footings. d. Use of excavated materials on site. e. Repair of damaged areas and clean up project site. 2. This section of the specifications is part of the Contract Documents, and the contractor shall comply with and fulfill all provisions and requirements contained in said Contract Documents pertaining to the performance of the work under this section. 1.02 RELATED WORK A. Specified elsewhere: 1. Section 03300 - Cast in Place Concrete 1.03 COORDINATION A. Coordinate selection of shop primers with topcoats to be applied over them. Comply with paint and coating manufacturers' written recommendations to ensure that shop primers and topcoats are compatible with one another. B. Coordinate installation of anchorages for railings. Furnish setting drawings, templates, and directions for installing anchorages, including sleeves, concrete inserts, anchor bolts, and items with integral anchors, that are to be embedded in concrete or masonry. Deliver such items to Project site in time for installation. 055213 - 1 1.04 ACTION SUBMITTALS A. Product Data: 1. Manufacturer's product lines of mechanically connected railings. 2. Fasteners. 3. Handrail brackets. 4. Shop primer. 5. Intermediate coats and topcoats. 6. Nonshrink, nonmetallic grout. 7. Anchoring cement. 8. Metal finishes. 9. Paint products. 10. skateboard deterrent studs B. Shop Drawings: Include plans, elevations, sections, details, and attachments to other work. C. Delegated-Design Submittal: For railings, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation. 1.05 INFORMATIONAL SUBMITTALS A. Qualification Data: For delegated-design professional engineer. B. Welding certificates. C. Paint Compatibility Certificates: From manufacturers of topcoats applied over shop primers, certifying that shop primers are compatible with topcoats. D. Product Test Reports: For tests on railings performed by a qualified testing agency, in accordance with ASTM E894 and ASTM E935. 1.06 QUALITY ASSURANCE A. Welding Qualifications: Qualify procedures and personnel in accordance with the following: 1. AWS D1.1/D1.1M, "Structural Welding Code - Steel." 1.07 DELIVERY, STORAGE, AND HANDLING A. Protect mechanical finishes on exposed surfaces of railings from damage by applying a strippable, temporary protective covering before shipping. 055213 - 2 1.08 FIELD CONDITIONS A. Field Measurements: Verify actual locations of walls and other construction contiguous with railings by field measurements before fabrication. PART 2 PRODUCTS 2.1 PERFORMANCE REQUIREMENTS A. Delegated Design: Engage a qualified professional engineer, as defined in Section 014000 "Quality Requirements," to design railings, including attachment to building construction. B. Structural Performance: Railings, including attachment to building construction, shall withstand the effects of gravity loads and the following loads and stresses within limits and under conditions indicated: 1. Handrails and Top Rails of Guards: a. Uniform load of 50 lbf/ ft. applied in any direction. b. Concentrated load of 200 lbf applied in any direction. c. Uniform and concentrated loads need not be assumed to act concurrently. 2. Infill of Guards: a. Concentrated load of 50 lbf applied horizontally on an area of 1 sq. ft. b. Infill load and other loads need not be assumed to act concurrently. C. Thermal Movements: Allow for thermal movements from ambient and surface temperature changes. 2.2 METALS, GENERAL A. Metal Surfaces, General: Provide materials with smooth surfaces, without seam marks, roller marks, rolled trade names, stains, discolorations, or blemishes. B. Brackets, Flanges, and Anchors: Cast or formed metal of same type of material and finishes supported rails unless otherwise indicated. 1. Provide type of bracket with flange tapped for concealed anchorage to threaded hanger bolt and that provides 1-1/2-inch clearance from inside face of handrail to finished wall surface. 2.3 STEEL RAILINGS A. Source Limitations: Obtain each type of railing from single source from single 055213 - 3 manufacturer. B. Tubing: ASTM A500/A500M (cold formed) or ASTM A513/A513M, Type 5. C. Pipe: ASTM A53/A53M, Type F or Type S, Grade A, Standard Weight (Schedule 40), unless another grade and weight are required by structural loads. D. Plates, Shapes, and Bars: ASTM A36/A36M. D. Cast Iron Fittings: Either gray iron, ASTM A48/A48M, or malleable iron, ASTM A47/A47M, unless otherwise indicated. 2.4 2.5 FASTENERS A. Fastener Materials: 1. Ungalvanized-Steel Railing Components: Plated steel fasteners complying with ASTM F1941, Class Fe/Zn 5 for zinc coating. 2. Finish exposed fasteners to match appearance, including color and texture, of railings. B. Fasteners for Anchoring Railings to Other Construction: Select fasteners of type, grade, and class required to produce connections suitable for anchoring railings to other types of construction and capable of withstanding design loads. C. Fasteners for Interconnecting Railing Components: 1. Provide concealed fasteners for interconnecting railing components and for attaching them to other work, unless otherwise indicated. 2. Provide concealed fasteners for interconnecting railing components and for attaching them to other work, unless exposed fasteners are unavoidable or are the standard fastening method for railings indicated. 3. Provide tamper-resistant flat-head machine screws for exposed fasteners unless otherwise indicated. MISCELLANEOUS MATERIALS A. Handrail Brackets: Cast stainless steel, center of handrail 2-1/2 inches from face of railing or wall. B. Welding Rods and Bare Electrodes: Select in accordance with AWS specifications for metal alloy welded. C. Universal Shop Primer: Fast-curing, lead- and chromate-free, universal modified-alkyd primer complying with MPI#79 and compatible with topcoat. 055213 - 4 1. Use primer containing pigments that make it easily distinguishable from zinc-rich primer. D. Intermediate Coats and Topcoats: Provide products that comply with Section 099123 "Interior Painting." E. Nonshrink, Nonmetallic Grout: Factory-packaged, nonstaining, noncorrosive, nongaseous grout, complying with ASTM C1107/C1107M. Provide grout specifically recommended by manufacturer for interior and exterior applications. F. Anchoring Cement: Factory-packaged, nonshrink, nonstaining, hydraulic-controlled expansion cement formulation for mixing with water at Project site to create pourable anchoring, patching, and grouting compound. 2.6 FABRICATION A. General: Fabricate railings to comply with requirements indicated for design, dimensions, member sizes and spacing, details, finish, and anchorage, but not less than that required to support structural loads. B. Shop assemble railings to greatest extent possible to minimize field splicing and assembly. Disassemble units only as necessary for shipping and handling limitations. 1. Clearly mark units for reassembly and coordinated installation. 2. Use connections that maintain structural value of joined pieces. C. Cut, drill, and punch metals cleanly and accurately. 1. Remove burrs and ease edges to a radius of approximately 1/32 inch unless otherwise indicated. 2. Remove sharp or rough areas on exposed surfaces. D. Form works true to line and level with accurate angles and surfaces. E. Fabricate connections that are exposed to weather in a manner that excludes water. 1. Provide weep holes where water may accumulate. 2. Locate weep holes in inconspicuous locations. F. Cut, reinforce, drill, and tap as indicated to receive finish hardware, screws, and similar items. G. Connections: Fabricate railings with welded connections unless otherwise indicated. 055213 - 5 H. Welded Connections: Cope components at connections to provide close fit, or use fittings designed for this purpose. Weld all around at connections, including at fittings. 1. Use materials and methods that minimize distortion and develop strength and corrosion resistance of base metals. 2. Obtain fusion without undercut or overlap. 3. Remove flux immediately. 4. At exposed connections, finish exposed welds to comply with NOMMA's "Voluntary Joint Finish Standards" for Finish #2 welds; good appearance, completely sanded joint, some undercutting and pinholes okay I. J. Form changes in direction as follows: 1. By bending to smallest radius that will not result in distortion of railing member. Bend members in jigs to produce uniform curvature for each configuration required. Maintain cross section of member throughout entire bend without buckling, twisting, cracking, or otherwise deforming exposed surfaces of components. K. Close exposed ends of hollow railing members with prefabricated cap and end fittings of same metal and finish as railings. L. Provide wall returns at ends of wall-mounted handrails unless otherwise indicated. Close ends of returns unless clearance between end of rail and wall is 1/4 inch or less. M. Brackets, Flanges, Fittings, and Anchors: Provide wall brackets, flanges, miscellaneous fittings, and anchors to interconnect railing members to other work unless otherwise indicated. 1. At brackets and fittings fastened to plaster or gypsum board partitions, provide crush resistant fillers or other means to transfer loads through wall finishes to structural supports and prevent bracket or fitting rotation and crushing of substrate. N. Provide inserts and other anchorage devices for connecting railings to concrete or masonry work. 1. Fabricate anchorage devices capable of withstanding loads imposed by railings. 2. Coordinate anchorage devices with supporting structure. O. For railing posts set in concrete, provide stainless steel sleeves not less than 6 inches long with inside dimensions not less than 1/2 inch greater than outside dimensions of post, with metal plate forming bottom closure. 055213 - 6 2.7 STEEL AND IRON FINISHES A. For nongalvanized-steel railings, provide nongalvanized ferrous-metal fittings, brackets, fasteners, and sleeves; however, hot-dip galvanize anchors to be embedded in exterior concrete or masonry. B. Preparation for Shop Priming: Prepare uncoated ferrous-metal surfaces to comply with requirements indicated below: 1. Other Railings: SSPC-SP 3. C. Primer Application: Apply shop primer to prepared surfaces of railings unless otherwise indicated. Comply with requirements in SSPC-PA 1 for shop painting. Primer need not be applied to surfaces to be embedded in concrete or masonry. 1. Shop prime uncoated railings with universal shop primer unless indicated. 2. Do not apply primer to galvanized surfaces. D. Shop-Painted Finish: 1. Color: As selected by Owner from manufacturer's full range. PART 3 EXECUTION 3.1 EXAMINATION A. Examine plaster and gypsum board assemblies, where reinforced to receive anchors, to verify that locations of concealed reinforcements are clearly marked for Installer. Locate reinforcements and mark locations if not already done. 3.2 INSTALLATION, GENERAL A. Perform cutting, drilling, and fitting required for installing railings. 1. Fit exposed connections together to form tight, hairline joints. 2. Install railings level, plumb, square, true to line; without distortion, warp, or rack. 3. Set railings accurately in location, alignment, and elevation; measured from established lines and levels. 4. Do not weld, cut, or abrade surfaces of railing components that are coated or finished after fabrication and that are intended for field connection by mechanical or other means without further cutting or fitting. 5. Set posts plumb within a tolerance of 1/16 inch in 3 feet. 055213 - 7 6. Align rails so variations from level for horizontal members and variations from parallel with rake of steps and ramps for sloping members do not exceed 1/4 inch in 12 feet. B. Control of Corrosion: Prevent galvanic action and other forms of corrosion by insulating metals and other materials from direct contact with incompatible materials. 1. Coat concealed surfaces of aluminum that will be in contact with grout, concrete, masonry, wood, or dissimilar metals, with a heavy coat of bituminous paint. C. Adjust railings before anchoring to ensure matching alignment at abutting joints. C. Fastening to In-Place Construction: Use anchorage devices and fasteners where necessary for securing railings and for properly transferring loads to in-place construction. 3.3 3.4 3.5 RAILING CONNECTIONS A. Welded Connections: Use fully welded joints for permanently connecting railing components. Comply with requirements for welded connections in "Fabrication" Article, whether welding is performed in the shop or in the field. B. Expansion Joints: Install expansion joints at locations indicated but not farther apart than required to accommodate thermal movement. Provide slip-joint internal sleeve, extending 2 inches beyond joint on either side; fasten internal sleeve securely to one side; and locate joint within 6 inches of post. ANCHORING POSTS A. Form or core-drill holes not less than 5 inches deep and 3/4 inch larger than OD of post for installing posts in concrete. Clean holes of loose material, insert posts, and fill annular space between post and concrete with nonshrink, nonmetallic grout or anchoring cement, mixed and placed to comply with anchoring material manufacturer's written instructions. B. Cover anchorage joint with flange of same metal as post, welded to post after placing anchoring material. ATTACHING RAILINGS A. Anchor railing ends to concrete and masonry with sleeves concealed within railing ends and anchored to wall construction with anchors and bolts. B. Anchor railing ends to metal surfaces with flanges bolted to metal surfaces and welded to railing ends or connected to railing ends, using nonwelded connections. C. Attach handrails to walls with wall brackets, except where end flanges are used. Provide 055213 - 8 brackets with 1-1/2-inch clearance from inside face of handrail and finished wall surface. 1. Use type of bracket with flange tapped for concealed anchorage to threaded hanger bolt. 2. Locate brackets as indicated or, if not indicated, at spacing required to support structural loads. D. Secure wall brackets and railing end flanges to building construction as follows: 1. For concrete and solid masonry anchorage, use drilled-in expansion shields and hanger or lag bolts. 2. For steel-framed partitions, use hanger or lag bolts set into fire-retardant-treated wood backing between studs. Coordinate with stud installation to locate backing members. 3.6 REPAIR A. Touchup Painting: Immediately after erection, clean field welds, bolted connections, and abraded areas of shop paint, and paint exposed areas with the same material used for shop painting to comply with SSPC-PA 1 for touching up shop-painted surfaces. 1. Apply by brush or spray to provide a minimum 2.0-mil dry film thickness. 3.7 CLEANING A. Galvanized Surfaces: Clean field welds, bolted connections, and abraded areas, and repair galvanizing to comply with ASTM A780/A780M. 3.8 PROTECTION A. Protect finishes of railings from damage during construction period with temporary protective coverings approved by railing manufacturer. Remove protective coverings at time of Substantial Completion. B. Restore finishes damaged during installation and construction period, so no evidence remains of correction work. Return items that cannot be refinished in the field to the shop; make required alterations and refinish entire unit, or provide new units. 3.09 GUARANTIES AND WARRANTIES A. All work to be performed under this contract shall be constructed in compliance with the "contract documents", and must be guaranteed by the contractor for a period of one (1) year from date of final acceptance against defective workmanship and material of any nature. On all items or equipment to be incorporated in the completed project, the contractor must guarantee that the type, quality, design, and performance will fully meet the requirements of the contract specifications. B. Any and all product and/or equipment specifications, instructions, manuals, manufacturer warranties and/or guaranties, as well as any other pertinent product or project information shall be provided by the contractor after completion of the project and prior to final payment. 3.10 REPAIR AND CLEAN-UP A. All areas disturbed by the contractor's operations shall be repaired to their original condition. The contractor shall pay for the repair of all damage to existing roadways, walks, curbs, utilities, plant material, turf and site furnishings caused by his work. B. At the completion of the work under this contract, the contractor shall remove all his debris and accumulated materials caused by his work and legally dispose of it, and leave the site in a clean, neat order acceptable to the owner. C. All repair work and clean up shall be considered incidental to the cost of the contract.