SOLICITATION NOTICE
Y -- Construct Two Wooden Bridges
- Notice Date
- 5/20/2016
- Notice Type
- Presolicitation
- NAICS
- 237310
— Highway, Street, and Bridge Construction
- Contracting Office
- Department of the Army, Army Contracting Command, MICC, MICC - Fort Stewart, 976 William H Wilson Ave, Ste 100, Fort Stewart, Georgia, 31314-3322, United States
- ZIP Code
- 31314-3322
- Solicitation Number
- W9124M-16-B-0012
- Point of Contact
- Sebrena M. Butler, Phone: 9127679033, Mary L. Hightower, Phone: (912)767-8472
- E-Mail Address
-
sebrena.m.butler.civ@mail.mil, mary.l.hightower2.civ@mail.mil
(sebrena.m.butler.civ@mail.mil, mary.l.hightower2.civ@mail.mil)
- Small Business Set-Aside
- HUBZone
- Description
- TECHNICAL PROVISIONS GENERAL 1. SCOPE OF WORK: 1.1 Work to be Done: The work covered by this contract consists of furnishing all plant, labor, materials and performing all operations required in Constructing Two Wooden Foot Bridges in the BCT area (8400 Block) and shall be complete in strict accordance with specifications and drawings. The work includes, but is not necessarily restricted to, the following items. 1.1.1 Grade area for placement of bridges. 1.1.2 Remove and replace concrete gutter at bridge location. 1.1.3 Construct two wood framed bridges and sidewalks as shown on drawings. 1.1.4 Sod all disturbed areas. Sod used shall be TIF419. 2. FACTORS AFFECTING PERFORMANCE UNDER THE CONTRACT: 2.1 Construction of bridges shall be on site as shown on drawings. 2.2 Electric power will not be available for the contractor's use. It shall be the contractor's responsibility to furnish and install all temporary wiring and safety devices necessary to comply with the applicable codes/safety requirements. 2.3 Any material not salvageable shall become property of the contractor and removed from job site. 2.4 Contractor shall provide necessary barricades and signs to keep people out of job site areas. 2.5 Excavation Permits: Permits shall be issued by using the Georgia 811, Utilities Protection Center, Inc. Phone number is1-800-282-7411. Excavation of any type is prohibited after normal working hours without prior approval of the Contracting Officer. 2.6 Contractor shall remove all debris and demolished material to the appropriate sites. No landfill area available on Ft. Stewart. SECTION 02 41 00 DEMOLITION PART 1 - GENERAL 1.1 Summary Do not begin demolition until authorization is received from the Contracting Officer. The work includes demolition, salvage of identified items and materials, and removal of resulting rubbish and debris. Rubbish and debris shall be removed from job site daily, unless otherwise directed, to avoid accumulation at the demolition site. Materials that cannot be removed daily shall be stored in areas specified by the Contracting Officer. In the interest of occupational safety and health, the work shall be performed in accordance with EM 385-1-1 and ANSI A10.6. 1.2 REFERENCES AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI) ANSI A10.6 (2006) Safety Requirements for Demolition Operations U.S. ARMY CORPS OF ENGINEERS (USACE) EM 385-1-1 (2008, Change 1-2010; Change 1-3 2010; Changes 4-6 2011; Changes 7 2012) Safety and Health Requirements Manual 1.3 QUALITY ASSURANCE A. Comply with governing codes and regulations. Use experienced workers. 1.4 PROJECT CONDITIONS A. Immediate areas of work will be occupied during selective demolition. Adjacent areas will be occupied by the public. Provide barricades, fencing and signs as required to secure the area. PART 2 - EXECUTION 2.1 DEMOLITION A. Do not damage elements and improvements indicated to remain. Storage or sale of items at project site is prohibited. 1. Existing asphalt finishes that are disturbed by demolition work shall be patched to match existing. 2. Demolished materials, unless otherwise noted, shall become the property of the contractor and shall be disposed of in a legal manner on a regular basis. B. Do not close or obstruct streets, walks, drives or other occupied or facilities without the written permission of the COR and the authorities having jurisdiction. C. Cease operations if public safety or remaining structures are endangered. Perform temporary corrective measures until operations can be continued properly. D. Provide adequate protection against accidental trespassing. Secure project after work hours. 2.2 SCHEDULE A. Items for Protection During Demolition and Construction: 1. Existing sidewalks, asphalt pavement and curb and gutter. SECTION 06 10 00 ROUGH CARPENTRY 02/12 PART 1 GENERAL 1.1 REFERENCES The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only. AMERICAN INSTITUTE OF TIMBER CONSTRUCTION (AITC) AITC TCM (2012) Timber Construction Manual, 5th Edition AMERICAN LUMBER STANDARDS COMMITTEE (ALSC) ALSC PS 20 (2010) American Softwood Lumber Standard AMERICAN WOOD COUNCIL (AWC) AWC NDS (2012) National Design Specification (NDS) for Wood Construction AWC WFCM (2012) Wood Frame Construction Manual for One- and Two-Family Dwellings AMERICAN WOOD PROTECTION ASSOCIATION (AWPA) AWPA BOOK (2012) AWPA Book of Standards AWPA M2 (2015) Standard for Inspection of Treated Wood Products AWPA M6 (2013) Brands Used on Preservative Treated Materials AWPA P5 (2015) Standard for Waterborne Preservatives AWPA T1 (2015) Use Category System: Processing and Treatment Standard AWPA U1 (2015) Use Category System: User Specification for Treated Wood ASME INTERNATIONAL (ASME) ASME B18.6.1 (1981; R 2008) Wood Screws (Inch Series) ASTM INTERNATIONAL (ASTM) ASTM A153/A153M (2009) Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware ASTM A307 (2014) Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength ASTM A653/A653M (2015) Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process ASTM F547 (2006; R 2012) Nails for Use with Wood and Wood-Base Materials INTERNATIONAL CODE COUNCIL (ICC) ICC IBC (2012) International Building Code SOUTHERN PINE INSPECTION BUREAU (SPIB) SPIB 1003 (2002) Standard Grading Rules for Southern Pine Lumber 1.2 SUBMITTALS Contractor shall submit "For Information Only" that the material to be used on project site will be in accordance with specifications. 1.3 DELIVERY AND STORAGE Deliver materials to the site in an undamaged condition. Store, protect, handle, and install prefabricated structural elements in accordance with manufacturer's instructions and as specified. Store materials off the ground to provide proper ventilation, with drainage to avoid standing water, and protection against ground moisture and dampness. Store materials with a moisture barrier at both the ground level and as a cover forming a well ventilated enclosure. Remove defective and damaged materials and provide new materials. Store separated reusable wood waste convenient to cutting station and area of work. 1.4 GRADING AND MARKING 1.4.1 Lumber Mark each piece of framing and board lumber or each bundle of small pieces of lumber with the grade mark of a recognized association or independent inspection agency. Such association or agency shall be certified by the Board of Review, American Lumber Standards Committee, to grade the species used. Surfaces that are to be exposed to view shall not bear grademarks, stamps, or any type of identifying mark. Hammer marking will be permitted on timbers when all surfaces will be exposed to view. 1.4.2 Preservative-Treated Lumber and Plywood The Contractor shall be responsible for the quality of treated wood products. Each treated piece shall be inspected in accordance with AWPA M2 and permanently marked or branded, by the producer, in accordance with AWPA M6. The Contractor shall provide Contracting Officer's Representative (COR) with the inspection report of an approved independent inspection agency that offered products comply with applicable AWPA Standards. The appropriate Quality Mark on each piece will be accepted, in lieu of inspection reports, as evidence of compliance with applicable AWPA treatment standards. 1.5 SIZES AND SURFACING ALSC PS 20 for dressed sizes of yard and structural lumber. Lumber shall be surfaced four sides. Size references, unless otherwise specified, are nominal sizes, and actual sizes shall be within manufacturing tolerances allowed by the standard under which the product is produced. Other measurements are IP or SI standard. 1.6 MOISTURE CONTENT Air-dry or kiln-dry lumber. Kiln-dry treated lumber after treatment. Maximum moisture content of wood products shall be as follows at the time of delivery to the job site: a. Framing lumber and board, 19 percent maximum b. Timbers 5 inches and thicker, 25 percent maximum 1.7 PRESERVATIVE TREATMENT Treat wood products with waterborne wood preservatives conforming to AWPA P5. Pressure treatment of wood products shall conform to the requirements of AWPA BOOK Use Category System Standards U1 and T1. Pressure-treated wood products shall not contain arsenic, chromium, or other agents classified as carcinogenic, probably carcinogenic, or possibly carcinogenic to humans (compounds in Groups 1, 2A, or 2B) by the International Agency for Research on Cancer (IARC), Lyon, France. Pressure-treated wood products shall not exceed the limits of the U.S. EPA's Toxic Characteristic Leaching Procedure (TCLP), and shall not be classified as hazardous waste. Submit certification from treating plant stating chemicals and process used and net amount of preservatives retained are in conformance with specified standards. a. 0.25 pcf intended for above ground use. b. 0.60 pcf intended for ground contact and fresh water use. c. All wood shall be air or kiln dried after treatment. Specific treatments shall be verified by the report of an approved independent inspection agency, or the AWPA Quality Mark on each piece. Do not incise surfaces of lumber that will be exposed. Minimize cutting and avoid breathing sawdust. Brush coat areas that are cut or drilled after treatment with either the same preservative used in the treatment or with a 2 percent copper naphthenate solution. All lumber and woodwork shall be preservative treated. PART 2 PRODUCTS 2.1 MATERIALS Southern Pine (SPIB) Lumber used shall be No. 2 grade or better. 2.2 LUMBER Unless otherwise indicated or specified, rough hardware shall be of the type and size necessary for the project requirements. Sizes, types, and spacing of fastenings of manufactured building materials shall be as recommended by the product manufacturer unless otherwise indicated or specified. Rough hardware exposed to the weather or embedded in or in contact with preservative treated wood shall be hot-dip zinc-coated in accordance with ASTM A153/A153M. Nails and fastenings for treated lumber shall be hot-dipped galvanized fasteners. 2.3 Carriage Bolts: Bolts with nuts and washer conforming to ASTM A307, size as indicated. Hot-Dip galvanize. 2.4 Wood Screws: ASME B 18.6.1 Galvanized. 2.5 Nails ASTM M F547, size and type best suited for purpose. In general, 8-penny or larger nails shall be used for nailing through 1 inch thick lumber and for toe nailing 2 inch thick lumber; 16-penny or larger nails shall be used for nailing through 2 inch thick lumber. Nails used with treated lumber shall be hot-dipped galvanized in accordance with ASTM A153/A153M. Nailing shall be in accordance with the recommended nailing schedule contained in AWC WFCM. Where detailed nailing requirements are not specified, nail size and spacing shall be sufficient to develop an adequate strength for the connection. The connection's strength shall be verified against the nail capacity tables in AWC NDS. Reasonable judgment backed by experience shall ensure that the designed connection will not cause the wood to split. If a load situation exceeds a reasonable limit for nails, a specialized connector shall be used. All nails used shall be galvanized. 2.6 Hurricane Ties Ties shall be model H10A-2 as manufactured by Simpson Strong-tie or approved equal. Tie shall be zinc coated, sized to fit the supported member, of sufficient strength to develop the full strength of the supported member in accordance with ICC IBC, and furnished complete with any special nails/screws required. 2.7 Metal Screening used on Handrails Material used for handrail screening shall be 4"x4"x.250 welded one piece galvanized steel construction. Panels shall be single piece. Splicing will not be acceptable. Attached to wood railing system as shown on drawings. PART 3 EXECUTION 3.1 INSTALLATION Conform to AWC WFCM and install in accordance with the National Association of Home Builders (NAHB) Advanced Framing Techniques: Optimum Value Engineering, unless otherwise indicated or specified. Select lumber sizes to minimize waste. Fit framing lumber and other rough carpentry, set accurately to the required lines and levels, and secure in place in a rigid manner. Do not splice framing members between bearing points. Set joists and rafters with their crown edge up. Provide adequate support as appropriate to the application, climate, and modulus of elasticity of the product. Do not cut or bore structural members. Reinforce all members damaged by such cutting or boring by means of specially formed and approved sheet metal or bar steel shapes, or remove and provide new, as approved. Provide as necessary for the proper completion of the work all framing members not indicated or specified. Spiking and nailing not indicated or specified otherwise shall be in accordance with the Nailing Schedule contained in ICC IBC; perform bolting in an approved manner. Spikes, nails, and bolts shall be drawn up tight. Timber connections and fastenings shall conform to AWC NDS. Do not use shimming on wood or metal bearings. Predrill bolt and screw holes as required to keep from splitting wood members. Vertical bolts shall have nuts on the lower end. Where bolts are used to fasten timber to timber, bolt members together when they are installed and retighten immediately prior to final acceptance of contract. Provide bolts having sufficient additional threading to provide at least 3/8 inch per foot thickness of timber for future retightening. 3.1.2 Joists Provide joists of the sizes and spacing indicated, accurately and in alignment, and of uniform width. Joists shall have full bearing on plates; provide laps over bearing only and spike. Where joists are of insufficient length to produce a 12 inch lap unless otherwised shown on drawings. 3.1.3 Doubled Joists Provide where shown on drawings. 3.1.3 Bridging Provide bridging for floor joists as indicated and as specified herein. 3.1.6 Columns and Posts Set plumb in alignment and with full and uniform bearing. 3.2 MISCELLANEOUS 3.2.1. Bridging Wood bridging shall have ends accurately bevel-cut to afford firm contact and shall be nailed at each end with two nails. The lower ends of bridging shall be driven up tight and secured. 3.2.2 Decking Wood decking shall be attached using screws as shown on drawing. Space decking boards approximately 1/8" apart. Attach each deck board at each joist with a minimum of two screws. Decking boards shall not be spliced. Install in accordance with AITC TCM. 3.2.3 Handrail and Miscellaneous Wood Members Install using a scarf joint. Secure with a minimum of two screws. 3.3 INSTALLATION OF HURRICANE TIES Installation of Hurricane Ties shall conform to applicable requirements of AWC NDS and manufacturers installation instructions. SECTION 31 23 00.00.20 EARTHWORK PART 1 - GENERAL 1.1 SUMMARY A. Perform excavation, filling, compacting and grading operations both inside and outside bridge limits as required for below-grade improvements and to achieve grades and elevations indicated. C. Provide subbase materials, common fill, and structural fill materials for sidewalks and curbing. D. Provide suitable fill from off-site if on-site quantities are insufficient or unacceptable. Contractor shall spread excessive dirt on site as directed. 1.2 REFERENCES ASTM D 1557 Standard Test Methods for Laboratory Compaction Characteristics of Soil Using Modified Effort (56,000 ft-lbf/ft3) 1.3 QUALITY ASSURANCE A. Compaction: 1. Under curbing and sidewalks, 95 percent maximum density, ASTM D 1557. 2. Under lawns or unpaved areas, 90 percent maximum density, ASTM D 1557. B. Grading Tolerances Outside Building Lines: 1. Lawns, unpaved areas, and walks, plus or minus 1 inch. 2. Pavements, plus or minus 1/2 inch. PART 2 - PRODUCTS 2.1 MATERIALS A. Common fill: Mineral soil substantially free from organic and unsuitable materials, and free from rock or gravel larger than 2" in diameter; 80 percent passing No. 40 sieve and not more than 50 percent passing No. 200 sieve. PART 3 - EXECUTION 3.1 INSTALLATION A. Excavation is unclassified and includes excavation to subgrade regardless of materials encountered. Repair excavations beyond elevations and dimensions indicated as follows: 1. At Structure: Concrete or compacted fill. 2. Elsewhere: Backfill and compact as directed. B. Maintain stability of excavations; coordinate shoring and bracing as required by authorities having jurisdiction. Prevent surface and subsurface water from accumulating in excavations. Stockpile satisfactory materials for reuse, allow for proper drainage. C. Compact materials at the optimum moisture content as determined by ASTM D 1557 by aeration or wetting to the following percentages of maximum dry density: 1. Structure, Pavement, Walkways: Subgrade and each fill layer to 95% of maximum dry density to suitable depth. 2. Unpaved Areas: Top 6" of subgrade and each fill layer to 90% maximum dry density. D. Place acceptable materials in layers not more than 6" loose depth for materials compacted by heavy equipment and not more than 4" loose depth for materials compacted by hand equipment to subgrades indicated as follows: 1. Common Fill: Use under unpaved areas. 2. Subbase Material: Use under pavement, walks, steps, piping and conduit. E. Grade to within 1/2" above or below required subgrade and within a tolerance of 1/2" in 10'. F. Protect newly graded areas from traffic and erosion. Recompact and regrade settled, disturbed, and damaged areas as necessary to restore quality, appearance, and condition of work. G. Control erosion to prevent runoff into ditches or damage to sloped or surfaced areas. H. Control dust to prevent hazards to adjacent properties and vehicles. Immediately repair or remedy damage caused by dust including air filters in equipment and vehicles. Clean soiled surfaces. I. Dispose of waste and unsuitable materials off-site in a legal manner. SECTION 32 16 13 CONCRETE SIDEWALKS, CURBS AND GUTTERS PART 1 - GENERAL 1.1 SUMMARY A. Provide concrete sidewalks, curbs and gutters as indicated on drawings. 1.2 REFERENCES ACI 301 Specifications for Structural Concrete ACI 305R Guide to Hot Weather Concreting ACI 306.1 Standard Specification for Cold Weather Concreting ACI 318 Building Code Requirements for Structural Concrete (ACI 318-14) ASTM C 33 Standard Specification for Concrete Aggregates ASTM C 94 Standard Specification for Ready-Mixed Concrete ASTM C 150 Standard Specification for Portland Cement ASTM C 260 Standard Specification for Air-Entraining Admixtures for Concrete ASTM C 309 Standard Specification for Liquid Membrane-Forming Compounds for Curing Concrete ASTM C 494 Standard Specification for Chemical Admixtures for Concrete ASTM C 1116 Standard Specification for Fiber Reinforced Concrete ASTM D 1751 Standard Specification for Preformed Expansion Joint Filler for Concrete Paving and Structural Construction (Nonextruding and Resilient Bituminous Types) ASTM D 1752 Standard Specification for Preformed Sponge Rubber Cork and Recycled PVC Expansion Joint Fillers for Concrete Paving and Structural Construction 1.3 SUBMITTALS A. Product Data: Submit manufacturer's product data and installation instructions for each material and product used. B. Test Reports: Submit for approval test reports. 1.4 QUALITY ASSURANCE A. Comply with governing codes and regulations. Provide products of acceptable manufacturers which have been in satisfactory use in similar service for three years. Use experienced installers. Deliver, handle, and store materials in accordance with manufacturer's instructions. B. Construction Tolerance: 1/8" in 12' for grade and alignment; 1/4" in 12' for vertical or sloped face on longitudinal axis. C. Standards: 1. ACI 301, Specifications for structural Concrete for Buildings. 2. ACI 318, Building Code Requirements for Reinforced Concrete, and CRSI Manual of Standard Practice. PART 2 - PRODUCTS 2.1 MATERIALS A. Concrete Design Mixes, ASTM C 94, 28 Day Compressive Strength: 1. Exterior Site Concrete Exposed to Weather: a. Compressive Strength: 4000 psi. B. Formwork: Plywood or metal panel formwork sufficient for structural and visual requirements. C. Concrete Materials: ASTM C 150, Type I, Portland cement; potable water. 1. Normal weight aggregates, ASTM C 33. D. Concrete Admixtures: Containing less than 0.1 percent chloride ions. 1. Air-Entraining Admixture: ASTM C 260, for exterior exposed concrete exposed to freeze-thaw. 2. Water-Reducing Admixture: ASTM C 494, Type A, for placement and workability. 3. High-Range Water-Reducing Admixture, Super Plasticizer: ASTM C 494, Type F or G for placement and workability. 4. Water-Reducing, Accelerating Admixture: ASTM C 494, Type E for placement and workability. 5. Water-Reducing, Retarding Admixture: ASTM C 494, Type D for placement and workability. 6. Fiber Reinforcement: ASTM C 1116 TYPE III, 1.5 lbs per CY E. Auxiliary Materials: 1. Liquid Membrane-Forming Curing Compound: ASTM C 309, Type 1, Class A. 2. Water-Based Acrylic Membrane Curing Compound: ASTM C 309, Type 1, Class B. 3. Evaporation Control Compound: Monomolecular film-forming compound. 4. Premolded Expansion Joint Filler Strips: ASTM D 1751 or ASTM D1752, ½" joint filler unless otherwise noted. F. Concrete Finishes for Monolithic Slabs: 1. Nonslip broom finish for exterior concrete walks. G. Detectable Warnings: 1. Dome Size: Truncated domes in a detectable warning surface shall have a base diameter of 0.9 inch minimum and 1.4 inches maximum, a top diameter of 50 percent of the base diameter minimum to 65 percent of the base diameter maximum, and a height of 0.2 inch. 2. Dome Spacing: Truncated domes in a detectable warning surface shall have a center-to-center spacing of 1.6 inches minimum and 2.4 inches maximum, and a base-to-base spacing of 0.65 inch minimum, measured between the most adjacent domes on a square grid. 3. Contrast: Detectable warning surfaces shall contrast visually with adjacent walking surfaces. Color to be selected. PART 3 - EXECUTION 3.1 INSTALLATION A. Provide acceptable materials and install curbing in strict compliance with local DOT. B. Set curbs on compacted gravel subbase with joints between curb pieces from 1/8" to 3/4" wide. Point joints with mortar and tool concave; remove surplus mortar and clean curbs. C. All concrete used shall have Fiber Reinforcement within design mix. 3.2 CURING AND PROTECTION A. Comply with ACI standards for Hot ACI 305R and Cold ACI 306.1 Weather Concreting. B. Concrete shall be protected against loss of moisture and rapid temperature changes for at least 7 days from the beginning of curing operation. All equipment needed for adequate curing and protection of the concrete shall be on hand and ready for use before actual concrete placement begins. Protection shall be provided as necessary to prevent cracking due to temperature changes during the curing period. C. CURING: Begin initial curing as soon as free water has disappeared from exposed surfaces. Continue curing by use of moisture-retaining cover or membrane-forming curing compound. Cure formed surfaces by moist curing until forms are removed. Provide protection as required to prevent damage to exposed concrete surfaces. SECTION 32 92 23 SODDING PART 1 - GENERAL 1.01 SUMMARY A. Provide sod work: 1. Finish grading and sodding. 3. Topsoil and soil amendments. 4. Initial maintenance of sod materials. 1.02 REFERENCES The publications listed below form a part of this specification to the extent referenced. The publications are referred to within the text by the basic designation only. ASTM INTERNATIONAL (ASTM) ASTM C 602 (2013) Agricultural Liming Materials TURFGRASS PRODUCERS INTERNATIONAL (TPI) TPI GSS (1995) Guideline Specifications to Turfgrass Sodding GEORGIA CERTIFIED TURFGRASS DIRECTORY Blue Tag Turf Directory 1.03 SUBMITTALS Prior to the installation of material, the contractor shall submit for information only, certificate of compliance attesting that material meets the specified requirements. a. Certificates that the Nursery or Sod farm meets the requirements of TPI GSS for the indicated type of sod. Sod shall also be "Blue Tag" certification for sod used. www.certifiedseedorg/PDF/UGAHOSTED/2007TURF DIRECTORY.PDF. b. Contractor shall submit a Certification for Georgia Commercial Applicators License for Ornamental and Turf Pest Control that is issued by the Department of Agriculture. c. Notices: Submit 48-hour written notice prior to turnover to Government for watering and maintenance. 1.04 QUALITY ASSURANCE A. Comply with governing codes and regulations. Provide products of acceptable manufacturers which have been in satisfactory use in similar service for three years. Use experienced installers. Deliver, handle, and store materials in accordance with manufacturer's instructions. PART 2 - PRODUCTS 2.01 MATERIALS A. Sod Materials: Classification Nursery grown, certified as classified in the TPI GSS. Machine cut sod at a uniform thickness of 3/4 inch within a tolerance of 1/4 inch, excluding top growth and thatch. Each individual sod piece shall be strong enough to support its own weight when lifted by the ends. Broken pads, irregularly shaped pieces, and torn or uneven ends will be rejected. Wood pegs and wire staples for anchorage shall be as recommended by sod supplier. Sod used shall be certified TIF419. Sod species shall be genetically pure, free of weeds, pests, and disease. B. Topsoil: Fertile, friable topsoil from offsite. PART 3 - EXECUTION 3.01 INSTALLATION A. Install materials in accordance with specifications submittals. Install sod work in proper relation with adjacent construction and with uniform appearance. Coordinate with work of other sections. B. Place sod tightly, with grain in same direction. C. Provide maintenance and watering until turnover to Government for maintenance and watering. Replace damaged materials and dead or unhealthy turf areas prior to turnover to Government. 3.02 PLACING OF TOPSOIL A. Provide 4 inches of topsoil to meet indicated finish grade. After areas have been brought to indicated finish grade, incorporate fertilizer into soil a minimum depth of 4 inches by disking, harrowing, tilling or other method approved by the Contracting Officer. Topsoil shall not be spread when frozen or excessively wet or dry. Material required for topsoil in excess of that produced by excavation within the grading limits shall be obtained from areas off of government property. Remove debris and stones larger than 3/4 inch in any dimension remaining on the surface after finish grading. Correct irregularities in finish surfaces to eliminate depressions. Protect finished topsoil areas from damage by vehicular or pedestrian traffic. 3.03 TURF ESTABLISHMENT (SODDED LAWNS) A. Handling Do not drop or dump materials from vehicles. B. TIME RESTRICTIONS AND PLANTING CONDITIONS Do not plant when the ground is frozen, snow covered, muddy, or when air temperature exceeds 90 degrees Fahrenheit C. Length of Period: On completion of the last day of the turfing operation, the Turf Establishment Period will be in effect for 3 months. Place sod a maximum of thirty six hours after initial harvesting, in accordance with TPI GSS as modified herein. Protect sod from drying out and from contamination during delivery, on-site storage, and handling. Lightly sprinkle with water, cover with moist burlap, straw, or other approved covering; and protect from exposure to wind and direct sunlight until planted. Provide covering that will allow air to circulate so that internal heat will not develop. Do not store sod longer than 24 hours. Do not store directly on concrete or bituminous surfaces. D. Stand of Turf: A stand of turf from the sodding operation is defined as living sod uniform in color and leaf texture. Bare spots shall be no larger than 6 inches square. The total bare spots shall not exceed 2 percent of the total sodded area. E. Post-Fertilization: Fertilizer shall be applied at the rate of 20 pounds per 1000 square feet after the first month. The application shall be timed prior to the advent of winter dormancy and shall avoid excessive high nitrogen levels. F. FINAL ACCEPTANCE: At the end of the Turf Establishment Period, a final inspection will be made. Final acceptance of the turf will be based upon a satisfactory stand of turf as defined in the paragraph "TURF ESTABLISHMENT." Rejected areas shall be replanted or repaired as directed by the Contracting Officer. 3.04 EROSION CONTROL: Material, installation requirements and maintenance for Silt Fencing and related items shall meet the material and installation requirements of the Manual for Erosion and Sediment Control in Georgia and manufactured printed installation instructions. Placement and removal cost of related items shall be included in contractors bid. Jim Freeman (767-5616) from DPW Engineering Branch shall approve all erosion control items.
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- Address: MICC - Fort Stewart, 976 William H. Wilson Ave Ste 100, Fort Stewart, Georgia, 31314, United States
- Zip Code: 31314
- Zip Code: 31314
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