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HomeMy WebLinkAbout027,028-93 SP Ponds West SpecificationsA S1TE'WORK GENERAL NOTES AND SPECIFICATIONS 1. GENERAL CONDITIONS A. TY.e Contractor shall be responsible for obtaining or verifying that all permits and approvals are obtained from the respective city, county and state agencies prior to starling construction. B. It shall be the Contractor's responsibility to determine the exact location of all existing utilities in the vicinity of the construction area prior to starting construction. C. The Contractor shall be responsibile for notification and coordination of al: construction with the respective utility companies. D. It shall be the responsibility of the Developer and Contractor to maintain quality control throughout the project; failure to do so may result in removal and replacement of defective work. It is recommended that the Developer have a qualified :,-s.aector on the job site at all times during construction. E. 'At is essential that the work performed in conjunction with this project be installed according to these specifications. The Engineer will be required to certify that certain portions of this project were completed as per the construction plans. Therefore it is necessaary to obtain approval and acceptance by the local, county, and state agencies that the construction was completed in compliance with these plans and specifications. F. The designation A.S.T.M. shall refer to the American Society of Testing and Materials standards. The latest revision of listed A.S.T.M. standards shall prevail. G. 'Nie designation I.N.D.O.T. shall refer to the Indiana Department of Transportation Standard Specifications dated 1988 and all subsequent revisions. 11. CLEARING AND GRUBBING A. Clearing and grubbing shall consist of cutting, removal and satisfactory disposal of all trees, down limber, brush, projecting roots, stumps, rubbish, boulders, broken concrete, fencing (as designated), and other material on the project site and within the boundary as shown on the Construction Documents and/or as designated by "construction limits". B. Special care shall be taken to insure that trees to be left remaining in the project area shall not receive limb, bark or root injuries. When such injuries occur, all rough edges of scarred areas shall be removed in accordance with accepted horticultural practice and the scars coated thoroughly with an asphaltum base tree paint. C. Al! "unsuitable material" from clearing operations stated in Item 11-A shall be removed to disposal area(s) off the project site; unless a Bury Pit is utilized. Bury Pits shall not be located below proposed building or pavement areas nor below proposed drainage structures or impoundment areas. Written permission of project owner must be obtained for bury pit construction on site. D. Materials shall not be disposed of by burning unless approved by the local Fire Marshall. I11. TREE REMOVAL AND PROTECTION A. Trees shall be removed from the project site ohly in areas occupied by roadway and surfaced areas in accordance with specifications or the City of Carmel. B. Trees shall be removed from the project site as directed by the Developer and so designated. C. Trees shall be removed from the project site where they interfere with the placement of storm or sanitary sewers. D. The Contractor shall endeavor to save and protect trees o[ value and worth which do not impair construction of improvements as designated. In the event cut or fill exceeds 0.5 foot over the root area, the Developer shall be consulted with respect to protective measures to be taken, if any, to preserve such trees. E, Th:, Contractor shall be responsible for determining the method of protection of tops, trunks and roots of existing trees on the project site which are to remain.. Existing treys Exposed to potential damage shall be boxed, fenced or otherwise protected before any adjacent work is started. Earth, construction material, and equipment thin the shall not removed or stockpiled rc broken es}halltbe neatly spread trimmed and scars Branches ll be covered w th sober tree paint. F. See note II -B. IV. STRIPPING OF TOPSOIL A. The Contractor shall verify that all to has been removed in the areas to be occupied by road, walks and designated building areas. Topsoil shall be removed to a depth of 6 inches or deeper, if necessary, to assure the removal of vegetation matter where required. B. Topsoil shall be kept separated from suitable fill materials and shall not be used as fill under pavement and/or building areas. C. Topsoil shall be stored at a location where it does not interfere with construction operations. Excess topsoil shall be removed from the site. Topsoil storage areas shall be approved in writing by the Owner. D. Topsoil shall be reasonably free from subsoil debris and stones. V. GRADING A. T: -i-- Contractor shall perform all grading operations to bring subgrades, after final compaction, to the grades required for site improvement. B. Subgrade shall be proofrolled with appropriate equipment and all spongy and otherwise unsuitable material shall be removed and replaced with suitable material. C. Subgrade for streets shall be prepared in compliance with Hamilton County. Subgrade for streets shall be compacted to 100% of standard proctor in the upper 6" of depth. Depths of embankment below the upper 6" shall be compacted to 95% of standard proctor. See Pavement Construction Section X1. D. All fill material shall be formed from soil free of deleterious material. Prior to placement of fill, a sample of the proposed fill material should be submitted to the soils engineer for his approval. The Fill material should be placed in layers not to exceed eight (8") inches in loose thickness and should be spread and dried to a moisture content which will permit proper compaction. E. All Fill material in areas outside of building and pavement areas shall be compacted lightly and protected from erosion. Areas of building construction shall not have unsuitable material placed in that location, and fill shall be compacted in accordance with the Soils Engineer's report (minimum of 95% standard proctor). VI. SANITARY SEWER CONSTRUCTION 1. Standard specifications of the Clay Waste District and Indiana Department of Highways shall apply for all work and materials. Pipe shall be installed in accordance with Section 715. 2. Sanitary sewer pipe shall be PVC in accordance with ASTM D- 3034 (S.D.R. 35) and ASTM 2321. PVC pipe shall have grooved bell and gasket. The pipe shall be made of PVC plastic having a cell classification of 12454B. 3. PVC sewer fittings shall conform to the requirements of ASTM D-3034-89 specification. Fittings in sizes through 8" shall be molded in one piece with elastomeric joints and minimum socket depths as specified in sections 6.2 and 7.3.2. Fittings lo" and larger shall be molded or fabricated in accordance with section 7.11 with manufacturers standard pipe bells and gaskets. Wall thickness of fittings shall be SDR 26 as defined in section 7.4.1 of the specifications. Gaskets for elastomeric joints shall be molded with a minimum cross- sectional area of 0.20 square inches and conform to ASTM F- 477 specification. Fittings shall be manufactured by Harco or equal. 4. All sanitary manholes shall be "precast concrete" manholes in accordance with ASTM C-478 and Section 720. O -Rings shall conform to C-443. Kent Seal or equivalent shall also be applied to all joints and between riser rings and castings. Manhole step spacing shall be no more than 16 -inches. 5. Butyl rubber coating shall be applied around each manhole joint from 6 -inches above to 6 -inches below each joint. The appropriate primer shall be applied prior to applying the rubber coating. Inside joints to be filled with precoat plug material. 6. The casting elevations are set by plan. However, the castings are to be adjusted in the field by the Engineer's representative, should a discrepancy occur between plan grade and existing grade. New manhole ring and cover shall be installed to establish grade. Maximum height of adjusting rings shall be 12 -inches. 7. Backfill around all structures and all cuts under paved areas with granular material. Trenches opening within 5 -feet of paved roadways shall be backfilled with granular material in accordance with Section 211. Backfill under sidewalks shall be granular, unless the walks are constructed a minimum of 6 months after backfill has been in-place. 8. The Contractor shall be responsible for verifying that all state highways, city and county permits have been obtained by the developer prior to start of construction. 9. The Contractor shall be required to furnish the developer's Engineer with a set of prints, marked in red pencil, showing actual sewer location and invert, to include lateral location, depth and length. Such as -built" prints must benetceivedcan be by the Engineer before the final contract payore authorized. The sanitary sewer laterals and stubs termination shall be indicated on the surface with a metal fence post set immediately above said termination point. 10. All sanitary sewer lines upon completion will be required to pass an infiltration weir test and a low pressure air test, unless otherwise directed by the Engineer. Said test shall be conducted according to NCPI Standard Method, and shall be witnessed by an Engineer and a representative of the Clay Waste District. 11. Deflection tests shall be performed on all flexible* pipe after the final backfill has been in-place at least 30 days. No pipe shall exceed a vertical deflection of 5 percent deflection test results. (*The following are considered non -flexible pipes: concrete pipe, ductile iron pipe and cast iron pipe.) The deflection test shall be performed with a nine -point mandrel. Proving rings shall be available. 12. All mandrel testing shall be observed by a Professional Engineer for certification and a representative of the Clay Waste District. 13. The ends of laterals are to be plugged tight with a braced plastic disc or cap capable of withstanding a low pressure air test without leakage. 14. Bedding for flexible pipe shall be No. 8 crushed stone from 6 -inches below the pipe to 12 -inches above the pipe. Bedding for rigid pipe shall be No. 8 crushed stone from 6 -inches below the pipe to the spring line of the pipe and from this point to 12 -inches above shall be fill sand or equivalent. Manholes shall be placed on no less than 6 -inches of No. 8 crushed stone bedding. 15. Water and sewer line crossings and separations shall be in accordance with Ten States' Standards. 16. Trench shall be opened sufficiently ahead of pipe laying to reveal obstructions, and shall be property protected and/or barricaded when left unattended. 17. No water shall be permitted to flow into the sanitary sewer system during construction. Contractor shall utilize a pump to keep the water level below the pipe. Pump discharge shall be directed to a storm outlet. Any pipe entering existing sewers shall be plugged, until such time as all tests on the sewers have been completed and the lines have passed all punch lists. 18. All sewer laterals installed by the mainline Contractor shall be bedded the same as the main line sewer. 19. Forty-eight (48) hours notice shall be given to the Clay Regional Waste District prior to the start of sewer construction. Also, 48 -hours notice shall be given prior to any testing done on the sewer. 20. Manhole castings shall be stamped "SANITARY SEWER" (Neenah Casting R 1642 or equal) and be self-sealing type. Waterproof castings shall be Neenah R -1916-F1 and stamped "Sanitary Sewer". 21. The minimum slope for sewer acceptance by the Clay Township Regional Waste District are: Size of Pipe Minimum Constructed Slope 8 -inch 0.40% 10 -inch 0.28% 12 -inch 0.22% 15 -inch 0.15% 18 -inch 0.12% 22. The Contractor shall provide measurements of the slope of the sewer for each manhole section as construction progresses. Such measurements shall be certified by a Registered Land Surveyor or Engineer and be available on-site for observation by the District's Inspector. No more than three manhole sections can be constructed in advance of such measurements. 23. In the event the Contractor does not meet the minimum slopes, the sewer section and any other affected sewer sections shall be reconstructed to meet such minimum slopes. I VII. EROSION PROTECTION DURING CONSTRUCTION A. The Contractor shall provide adequate erosion protection measures during construction. 1. Rip -rap at locations designated on the plans. 2. Swales draining the site shall be mulch seeded or sodded and Contractor shall be responsible for establishing grass cover. 3. Construction operations conducted on private or city -owned property shall be neatly finish graded and mulch seeded. VIII. STORM SEWER CONNECTION A. Storm sewer structures shall comply with current specifications of the City, County and all agencies with respect to design and quality of construction. B. All storm sewer construction inside public right-of-way, either existing or proposed, shall be in accordance with the Hamilton County specifications. Contractor shall notify the Hamilton County Surveyor forty-eight hours prior to commencement of storm sewer construction. C. Where reinforced concrete pipe is shown on the construction plans, it shall be in accordance with A.S.T.M. C-76 Class III Wall "B", unless otherwise specified on the plans. D. Where corrugated metal pipe is shown on the construction plans, it shall be 16 gauge unless otherwise specified and shall have the connecting bands and seals as specified by the manufacturer. C.M.P. may be either aluminum pipe or zinc coated steel sheets in accordance with A.S.T.M. A-444. E. Manholes, catchbasins, and inlets may be precast concrete or poured in place concrete. F. Precast concrete and steel for manholes and inlets shall be in accordance with A.S.T.M. C-478. G. Castings shall be as shown on the Structure Data Table. H. Granular backfill shall be required for all crossings under pavement areas, per the Hamilton County specifications. 1X. UTILITIES A. Water Line 1. See Sanitary Sewers Notes for vertical and horizontal separations (Note VI -I-1 and 2). 2. All water lines shall be in accordance with the Standards and Specifications of the Indiana State Board of Health and the Hamilton Western Utilities. Sterilization of water mains shall be in accordance with the Indiana State Board of Health and the Hamilton Western Utilities for procedures and time of treatment. 3. Pressure tests for the water system shall be done in accordance with manufacturer's recommendations and the Hamilton Western Utilities specifications. 4. Granular backfill shall be required for all utility crossings under pavement areas. See Section VI -W- 5. Where private water lines are shown on the contract plans the pipe materials shall meet the Hamilton Western Utilities specifications. 6. Thrust blocks shall be installed in accordance with the details contained within the plans or the Hamilton Western Utilities standard specifications as applicable. 7. Felt material not to exceed 3B inch thick shall be placed between pipes and concrete thrust blocks. 8. All valves and appurtenances for domestic and fire protection water mains shall be approved by the Underwriters Laboratories and Factory Mutual for critical use. B. Electric and Telephone 1. Conduit shall be required for all crossings under pavement areas. 2. Granular backfill shall be required for all crossings under pavement areas and three feet beyond the edge of the pavement. 3. Concrete pads for electric and telephone transformers shall be set at the approximate ground grade as shown on the Site Development Grading Plans. X. GRANULAR BACKFILL Shall be inaccordance with I.N.D.O.T. Standard Specifications. XI. PAVEMENT CONSTRUCTION A. All pavement construction shall be in accordance with the plans and specifications and conform to the minimum standards of Hamilton County. B. Subgrade shall be prepared in compliance with Section 207.02 of the I.N.D.O.T. standard specifications. No traffic shall be permitted on the prepared subgrade prior to paving. C. Backfilling of utility trenches with granular material under pavement areas is required and shall conform to Hamilton County specifications. D. Contractor shall notify Hamilton County forty-eight hours prior to commencement of street construction within any existing or proposed right-of-way. I IX sheet no.: XII. CONCRETE CURB AND WALKS A. See Detail Sheet for type and details. Curbs and walks within existing or proposed right-of-way shall be constructed in accordance with Hamilton County specifications. B. Concrete shall be ready mixed Portland cement conforming to A.S.T.M. C-150. Aggregate shall conform to A.S.T.M. C-33. Compressive strength of concrete at 28 days shall be 4000 p.s.i. Where required, reinforcement shall be welded steel wire fabric conforming to A.S.T.M. A-185. C. Application 1. Place concrete only on a moist, compacted subgrade or base free from loose material. Place no concrete on muddy or frozen subgrade. 2. Concrete shall be deposited so as to require as little rehandling as practical. When concrete is to be placed at an atmospheric temperature of 35+/-F. or less, Paragraph 702.10 of the I.N.D.O.T. Specifications, 1988 edition, shall apply. 3. Except as otherwise specified, cure all of the methods described in Section 501.17 of the I.N.D.O.T. Specifications, 1988 edition. concrete by one XIII. FINISH GRADING AND SEEDING (Developer shall designate location if required.) A. Topsoil or approved fill shall be spread over the rough grade to a depth sufficient to insure finish grades are met after rolling and settlement. The minimum thickness of the topsoil shall not be less than 4". New grades shall slope uniformly between levels established on the plans. Intersections of new grades with existing grades shall be uniform and smooth. B. Fertilizer and agricultural limestone shall be spread uniformly over the area to be seeded and mixed into the top two inches of soil with a disk harrow, rotary tiller, or other approved equipment. Fertilizer shall be spread at the rate of 800 pounds per acre and agricultural limestone at the rate of one-half ton per acre, unless otherwise specified. C. A seeding mixture in stripping, cut, or fill areas shall be applied at a rate of 90 pounds per acre with a mixture as follows: 18 lbs. Kentucky Bluegrass, 18 lbs. Park Kentucky Bluegrass, 18 lbs. Delta Kentucky Bluegrass, 10 lbs. Pennlawn Fescue and 26 lbs. Annual Ryegrass. Wood cellulose fibre, straw or mulch, as approved by the Engineer, shall be applied at a rate of 3/4 tons per acre. XIV. LIME MODIFIED SOIL (Developer shall designate location if required.) A. The use of Lime Modification shall be used to improve the upper 12" of subgrade that does not conform to Section 207 of the 1988 I.N.D.O.T. Specifications. The lime used shall be "Polyhydrated Lime, Code 'L'", as manufactured by Mississippi Lime, or equal. The following construction procedures shall be utilized. 1. The subgrade shall be placed to the proper grade. 2. Lime shall be dry placed on the subgrade at an application rate of 24 to 36 pounds per square yard as directed by the Engineer. The lime and soil shall then be mixed by tractor -drawn disc harrows, scarifiers, rotary mixers, or front end loaders equipped with bucket teeth. Several passes shall be made to a depth of 12" as directed by the Engineer. 3. Initial compaction shall be performed with a sheepsfoot roller. The soil and lime shall be compacted in 6" lifts until the proper grade is obtained. Grading will be accomplished by blading the excess to one lane and compacting the mixed lime and soil in the 6" lifts. The final passes shall be made with a steel wheel or pneumatic -tired roller as approved by the Engineer. 4. The density of the soil -lime mixture will be determined by the City of Carmel near the end of the Finishing operations. Any portion of the soil -lime mixture not passing the density requirements shall be determined by the City of Carmel in accordance with AASHTO T-191. 5. When compaction of the lime -soil mixture is nearing completion, the surface shall be sloped to the required lines, grades, and cross section, and compaction continued using a steel wheeled roller until the minimum specified density is obtained. 6. The surface shall be maintained in a moist condition by means of a fine spray of water during all finishing operations. The treated material shall be maintained in a moist condition by sprinkling with water for a period of seven days. Traffic of all types shall be kept off the lime modified soil for seven days, or thereafter until in the opinion of the Engineer the lime -modified soil will support traffic without being damaged. When allowed on the subgrade, traffic shall exercise further care in driving over it so as not to tear up the subgrade. 7. Caution: Lime and lime mixtures are caustic in nature. The manufacturer of the lime shall be consulted to determine what special precautions are required to protect the skin, and particularly the eyes. XVI. REMOVAL OF PAVEMENT SIDEWALKS, CURBS, ETC. A. Pavement removal shall consist of the removal and satisfactory disposal of bituminous pavement or the total of any combination of base, binder and surface course of any pavement on a rigid base (including the base). B. Prior to performing the work of pavement removal at locations indicated on the plans, or where directed, cement concrete pavement to be removed shall be cut with a power driven concrete saw along designated lines. Sawing shall be such that any portion of the pavement to remain in place will not be damaged. Any portion that is damaged or removed outside the designated lines shall be replaced by the Contractor, at his expense. XVII. SEALING CRACKS AND JOINTS IN BITUMINOUS PAVEMENT A. Reflection cracks and joints, both longitudinal and transverse, as well as checked, cracked and alligatored areas shall be sealed using from 0.10 to 0.15 gallon per square yard of AE -90 or AE -150 bituminous material and covering with either No. 14-2 or No. 17 sand. The cracks, joints and alligatored areas shall be cleaned by blowing with compressed air or other suitable means prior to the placing of the bituminous sealing material. The bituminous material shall be allowed to penetrate the cracks and joints in the existing surface and any surplus shall be squeegeed back and forth over the area to refill them. Any excess material shall be squeegeed off the pavement. The sealed surface shall be covered with approximately 5 pounds of sand per square yard. STRUCTURE DATA TABLE SANITARY SEWER Structure Number Structure Type Castin 200-201 Manhole Type"C" R-1642 202 by others ---- 203 by others ---- 204 Manhole Type "C" R -1916-F1 205-206 Manhole Type "C" R-1642 207 by others ---- 208-246 Manhole Type"C" R-1642 247 by others ---- 250 Manhole Type "C" R-1642 Revtslons and Dates: STRUCTURE DATA TABLE `� ,- �� 0 'Sr�R oOGF�ff y No. 1 50441 STATE OFMid l,9�O SUR�� r�r - STORM SEWER 2-2.5 -y3 er SSA Sevier S ccso Structure Number Structure Tye Casting r Checked by: 1 Inlet Type "A" R -3501-N 2 Inlet Type "A" (modified) R-3516 3 Manhole Type "B" R -3501-N 4 End Section ---- 5 Manhole Type "B" R-3516 6 Manhole Type "B" R -1772-A 7 Inlet Type"A" R-4342 8 Inlet Type "A" (modified) R-3516 9 Manhole Type "B" R-3516 10 End Section ---- 11 Inlet Type "B" (modified) R-3516 12 Inlet Type "B" (modified) R-3516 13 Special Structure 14 Manhole Type "B" R -1772-A 14A End Section ---- 15 Inlet Type "A" (modified) R-3516 16 End Section ---- 17 End Section ---- 18 End Section ---- 19 Inlet Type"A" R-4342 20 Inlet Type "A" (modified) R-3516 21 Manhole Type "B" R-3516 22 No Structure 23 Manhole Type "B" R-4342 24 Manhole Type "B" R-4342 25 Manhole Type "B" R-4342 26 End Section ---- 27 Inlet Type "A" (modified) R-3516 28 Inlet Type "B" (modified) R-3516 29 Manhole Type "B" R-4342 30 End Section ---- 31 Inlet Type "A" R-4342 32 End Section ---- 33 End Section - 34 Inlet Type "A" R -3501-N 35 Inlet Type "A" R -3501-N 36 Manhole Type "B" R-3516 37 End Section ---- 38 Manhole Type"!!" R -1772-A 39 Manhole Type "B" R -1772-A 40 Manhole Type "B" R-4342 41 No Structure 42 Inlet Type "B" (modified) R-3516 43 Inlet Type "B" (modified) R-3516 44 Manhole Type "B" R-4342 45 Manhole Type "B" R -1772-A 46 Manhole Type "B" R-3501 -N 47 Manhole Type "B" R -3501-N 48 Manhole Type "B" R -1772-A 49 End Section ---- 50 Inlet Type "A" (modified) R-3516 51 Inlet Type "B" (modified) R-3516 52 Manhole Type "B" R-4342 53 End Section ---- 54 Inlet Type "A" (modified) R-3516 55 Manhole Type "B" R -3501-N 56 Intel Type "B" (modified) R-3516 i 56A End Section ---- 57 Manhole Type "B" R-4342 57A Manhole Type "B" R-4342 58 Inlet Type "B" (modified) R-3516 59 Inlet Type "A" (modified) R-3516 60 No Structure 61 Inlet Type "A" R-4342 62 Manhole Type "B" R -1772-A 63 Inlet Type "A" R -3501-A 64 Inlet Type "B" (modified) R-3516 65 Manhole Type "B" R-4342 66 Special Structure R -4216-D 67 Manhole Type "B" R -3501-N 68 Manhole Type "B" R -3501-N 69 Manhole Type "B" IZ-4342 70 Inlet Type "B" (modified) R-3516 71 Inlet Type "B" (modified) R-3516 72 End Section ---- 73 End Section ---- 74 Inlet Type "B" (modified) R-3516 75 Inlet Type "B" (modified) R-3516 76 End Section ---- 77 End Section - 78 Inlet Type "B" (modified) R-3516 79 Inlet Type "B" (modified) R-3516 so End Section ---- 81 End Section 82 Inlet Type "B" R-3150 83 Inlet Type "B" R-3150 84 End Section ---- 85 End Section ---- 86 Inlet Type"B" R-3150 87 Inlet Type "A" R-3150 88 End Section ---- 89 Manhole Type "B" R-4342 90 Special Structure R -4216-D 91 End Section ---- 92 Manhole Type "B" R-3516 93 Manhole Type "B" R-3516 94 Manhole Type "B" R-3516 95 Inlet Type "A" (modified) R-3516 % Manhole Type "B" R -1772-A 97 Manhole Type "B" R-4342 98 Manhole Type "B" R-4342 99 No Structure 100 Manhole Type "B" R-3516 101 Inlet Type "B" (modified) R-3516 102 Inlet Type "B" R-4342 103 Inlet Type "A" R-4342 104 End Section ---- 105 Inlet Type"A" R -3501-N 106 End Section ---- Revtslons and Dates: Designed by: `� ,- �� 0 'Sr�R oOGF�ff y No. 1 50441 STATE OFMid l,9�O SUR�� r�r States Engineering, Inc. 501 Congressional Blvd., Suite 110 Carmel, IN 46032 317-843-5080 Title: SPECIFICATIONS 2-2.5 -y3 er SSA Sevier S ccso Drawn by: Checked by: - - approved by: ,._. _ Sr.b. Job No.! 1 1 d_n57r,be no.: sheet no.: