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HomeMy WebLinkAbout12090016.1410 r M ID 0 pro 9 8 5 City of Carmel Concrete Curb Policy January 13, 2006 4 1 )Genera I A)The work subject to the requirements of this policy shall include the production, hauling /delivery, excavation for, placing, installation, jointing, curing, finishing, and other work necessary to prepare foundations and soil subgrades, install aggregate bases and install concrete curbing within property within the corporate limits of the City of Carmel and existing or proposed right -of -way. B)This policy shall be the basis for acceptance of the work by the City. Failure to adhere to the requirements of this policy may result in non - acceptance of the work or other remedies outlined in this policy. C)Workmonship, materials and quality of the work completed shall conform to the 2006 Standard Specifications of the Indiana Department of Transportation (hereinafter referred to as Standard Specifications), except where deviations are allowed or specified herein, or variances are granted. D)Where the minimum standards of any other governmental agency having concurrent jurisdiction exceed these standards, the higher standards shall apply. E)If any plan or other note or specification on the approved construction documents exceeds the minimum standards of this policy, the higher standards shall apply. F)Nothing contained herein shall be construed as prohibiting the design and construction of improvements meeting higher standards, nor as discouraging petitions to appropriate governing bodies for variances for alternatives which can be supported by advances in technology and are approved by other agencies with concurrent jurisdiction. G)AII work shall comply with the requirements of Section 105.03 of the Standard Specifications. H)For the purposes of this policy, where the term Engineer is used in this policy and the Standard Specifications, it shall mean: a)The Carmel City Engineer, staff of the Department of Engineering, other personnel employed by the City of Carmel, or authorized agent(s) that may be retained to represent the City of Carmel. b)The Hamilton County Highway Engineer, staff of the Hamilton County Highway Department, other personnel employed by Hamilton County, or authorized agent(s) that may be retained to represent Hamilton County Highway, depending on the location of the work. 1) Authority of the Engineer over the work shall be per Section 105.01 of the Standard Specifications. J)Prior to commencing the work, the Contractor performing the work shall contact the Engineer to schedule a pre- construction meeting to review the Engineer's construction requirements, staff notification requirements, required inspections for certain stages of the work and to review the authority of the Engineer as it relates to the work. K)Under no circumstances shall work subject to the standards established by this policy commence without obtaining approved construction drawings by the City of Carmel Department of Engineering. L) At the sole discretion of the Engineer, the portions of this policy related to inspections and testing of work subject to the requirements of this policy outside of the right -of -way shall be determined at the pre- construction meeting. M)Dimensional and other standards for concrete curb shall be in accordance with the City of Carmel Standard Details. N)Under no circumstances shall material other than Portland Cement Concrete meeting the standards established by this policy be utilized to construct concrete curbs within the corporate limits of the City of Carmel. 0)Under no circumstances shall extruded type curb be installed within the corporate limits of the City of Carmel. 2)Foundation A)General o)This work shall consist of the construction /preparation of the foundation in accordance with Section 105.03 of the Standard Specifications. b)The foundation shall be prepared in accordance with Section 605.03(a) of the Standard Specifications and the requirements of this policy. B)Excavation and Embankment a)Prior to beginning excavation and embankment operations, all necessary clearing, grubbing, scalping and topsoil stripping and subsequent backfilling for removed items within the slope stake limits shall be performed in accordance with Section 201.03 and 201.04 of the Standard Specifications. All topsoil, vegetation, roots, stumps, friable and deleterious material shall be completely removed within the limits of the slope stakes. b)Excavations (1) After excavation operations, all spongy and yielding material that does not readily compact shall be removed from within the slope stake limits and the resulting void shall be refilled with suitable material and compacted in accordance with Section 203 of the Standard Specifications. (2) Any pronounced depressions within the slope stake limits resulting after excavation operations shall be refilled with suitable material and compacted in accordance with Section 203 of the Standard Specifications. c)Embankments (1) Embankments shall be constructed in accordance with Section 203 of the Standard Specifications. (2) All spongy and yielding material that does not readily compact shall be removed from within the slope stake limits prior to embankment operations. (3) Any pronounced depressions within the slope stake limits resulting after clearing, grubbing, scalping and topsoil removal shall be refilled with suitable material and compacted in accordance with Section 203 of the Standard Specifications prior to embankment operations. (4) Prior to the construction of any embankment, the original ground surface within the limits of the slope stakes shall be leveled and the upper 6- inches shall be compacted in accordance with Section 203 of the Standard Specifications. (5) Embankments shall be shaped to be well drained and shall be protected to prevent erosion. (6) Loose depth of each embankment lift, final compacted depth, compaction method and compaction requirements shall be in accordance with Section 203 of the Standard Specifications. C)Soil Subgrades a)Subgrades shall be installed on foundations constructed in accordance with Section 2(A) and Section 2(B) of this policy and only after the installation of all utilities and subsurface drains indicated on the approved construction documents to be located under the pavement are completed. Trench backfilling work of these installations shall be in accordance with the City of Carmel Trench Backfilling specifications. b)The subgrade shall be shaped to the required grade and sections, free from all ruts, corrugations, or other irregularities. c)The subgrade shall be uniformly prepared, compacted and approved in accordance with Sections 207.02, 207.03 and 207.04 of the Standard Specifications. d)Subgrades shall be inspected and approved by the Engineer before any aggregate base or concrete curbs are constructed. A proofroll shall be conducted in accordance with Section 203.26 of the Standard Specifications. Unacceptable areas shall be corrected to the satisfaction of the Engineer before the placement of any Aggregate Base or concrete curbing. e)At the discretion of the Engineer, Subgrade that has satisfactorily passed a proofroll, but remains uncovered for a period of 14 calendar days prior to placing Aggregate Base or concrete curbing or is subject to a measurable rain event prior to placing Aggregate Base or concrete curbing, shall be subject to additional proof rolls prior to placement of the Aggregate Base or concrete curbing. 3)Aggregate Bases A)Generol a)This work shall consist of placing a compacted Aggregate Base on a prepared soil subgrade in accordance with Section 105.03 of the Standard Specifications. b) Aggregate Base materials shall be in accordance with Section 301.02 of the Standard Specifications. c)The Aggregate Base material shall be obtained from a Certified Aggregate Producer in accordance with Section 917 of the Standard Specifications. d)The Aggregate Base material shall be handled and transported to, and on, the work site in a manner that minimizes segregation and moisture loss. e)Aggregate Bases shall be constructed on approved soil subgrades and to thicknesses equal or greater than those indicated on the approved construction documents. B)Temperature and Seasonal Limitations a)The Aggregate Base shall be placed in accordance with the temperature limitations of Section 301.04 of the Standard Specifications. b)Frozen material shall not be placed. c)Aggregate Bases must be placed and pass proof roll prior to November 30 in order to allow paving in accordance with Section 4C(iv) of this policy. C)Preparotion a)The prepared soil subgrade shall be free from objectionable or foreign materials at the time of placement. b)The subgrade shall be subject to additional proof rolls in accordance with Section 203.26 of the Standard Specifications just prior to placing the Aggregate Base on the subgrade in accordance with Section 2C(v) of this policy. Unacceptable areas shall be corrected to the satisfaction of the Engineer before any Aggregate Base is placed. D)Spreading and Finishing a)The Aggregate Base shall be spread in accordance with Section 301.05 of the Standard Specifications. b)The Aggregate Base shall be compacted in accordance with Section 301.06 of the Standard Specifications. c)Concrete curb shall be placed over the Aggregate Base within 14 calendar days. Aggregate Bases that lay exposed for a period of time greater than 14 calendar days or experience a measurable rain event prior to the placement of concrete curb shall be subject to inspection and acceptance by the Engineer. At the discretion of the Engineer, additional proof rolls may be required. 3 2 City of Carmel Concrete Curb Policy January 13, 2006 4)Concrete Curb A)General a)This work shall consist of placing concrete curbing on prepared soil subgrades or Aggregate Bases in accordance with Section 105.03 of the Standard Specifications. b)Concrete curb shall be constructed on prepared soil subgrades or Aggregate Bases to the dimensional standards of the applicable City of Carmel Standard Details or in accordance with the curbing details of the approved construction documents. c)Moterials used in the production of the concrete for the curbing shall be in accordance with Section 605.02 of the Standard Specifications. High early strength admixtures may be utilized but shall not be considered in waiving any requirements of this policy. d)Equipment utilized for concrete curbing installation work, including but not limited to production, hauling /delivery, placing, installation, jointing, curing, finishing and miscellaneous /ancillary activity shall be in accordance with Section 508 of the Standard Specifications. e)Concrete production, mixing and hauling /delivery shall be in accordance with Section 502.10 of the Standard Specifications. f) Installation of the concrete curbing indicated on the approved construction documents shall be completed in the same paving season. B)Preparation a)The soil subgrade or Aggregate Base shall be subject to additional proof rolls in accordance with Section 203.26 of the Standard Specifications just prior to placing the HMA courses in accordance with Section 2C(v) and 3D(iii) of this policy. Unacceptable areas shall be corrected to the satisfaction of the Engineer before placement of any concrete curbing. b)AII displacement or rutting of the soil subgrade or Aggregate Base shall be repaired prior to placing concrete curbing. C)Weather and Seasonal Limitations a)Concrete curbing shall only be placed in accordance with Section 502.11 of the Standard Specifications. There shall be no provision for installation below the temperatures specified. b)No mixture shall be placed on a frozen subgrade or Aggregate Base. c)Under no circumstances shall concrete curb be placed between December 15 and March 30. d)lf a soil subgrade or Aggregate Base over which concrete curb is to placed, is placed and approved by the City prior to November 30, placement of the concrete curb will be allowed up to December 15, provided that the ambient and soil subgrade or Aggregate Base surface temperature complies with the requirements of Section 4C(i) of this policy and the paving contractor pay for the services of a full time construction inspector and who shall act as an authorized agent of the Engineer. The Engineer shall select the construction inspector. e)lf the ambient and soil subgrade or Aggregate Base surface temperature complies with the requirements of Section 4C(i) of this policy between April 1 and April 15, concrete curb shall be allowed to be placed on on approved soil subgrade or Aggregate Base provided that the paving contractor pay for the services of a full time construction inspector and who shall act as an authorized agent of the Engineer. The Engineer shall select the construction inspector. f) The Engineer reserves the right to suspend all concrete curb placement operations if, in the opinion of the Engineer, that prevailing weather conditions and /or the condition of the Subgrade and /or the Aggregate Base may result in substandard concrete curb placement, curing and finishing. D)Placement a)Concrete curb shall be placed in accordance with Section 502.09, 502.12 and 605.04(c) and 605.04(d) of the Standard Specifications. b)Curb machines may be utilized in accordance with Section 605.04(h) of the Standard Specifications provided that the equipment conforms to the requirements of Section 508 of the Standard Specifications. c)Formwork shall comply with the requirements of Section 605.04(b) of the Standard Specifications. d)Forms shall be removed in accordance with Section 502.16 and 605.04(b) of the Standard Specifications. E) Joints a)Joints shall conform to the requirements of Section 503 and 605.04(e) of the Standard Specifications. b)Joints shall be installed at intervals of 10 -feet or less; 5 -foot or less along radii. Joints in integral curb and sidewalks shall be located at the some location as the joints in the adjoining sidewalk. Joints may be sawed or tooled to a minimum depth of �-inch. c)Preformed expansion joints shall be placed at intervals of 50 -feet or less, at all castings, the beginning and end of all curb returns, the end of each days work and where abutting existing construction. In addition to these requirements, expansion joints in integral curb and sidewalks shall be located at the some location as the expansion joints in the adjoining sidewalk. F)Finishing and Curing o)The concrete curb shall be finished and cured in accordance with Section 502.14, 502.15, 504 and 605.04(f) of the Standard Specifications. b)Curing compound shall be applied to all exposed surfaces on slip- formed concrete curb. For formed concrete curb, curing compound shall be applied to all exposed surfaces including sides after any forms are removed. c)The concrete curb shall be allowed to cure for a minimum of 5 -days prior to commencing backfilling operations adjacent to the concrete curbing. G)Bockfilling a)The spaces adjacent to the concrete curb shall be backfilled in accordance with Section 605.04(g) of the Standard Specifications only after the concrete curbing is inspected and accepted by the Engineer in accordance with Section 5 of this policy. b)Backfilling operations shall be completed prior to opening the area to regular construction traffic. 5)Inspections A)AII materials furnished and each part or detail of the work will be subject to inspection per Section 105.10 of the Standard Specifications for the purpose of ascertaining that the work is in substantial conformance with this policy and the approved construction documents. B)The Contractor shall notify the Engineer a minimum of 48 -hours in advance of commencing any work subject to the standards established by this policy. C)The Contractor shall schedule proofrolls with the Engineer a minimum of 48 -hours in advance of such proofrolls. D)The Contractor and Engineer will conduct an inspection of the new concrete curbing for any damage, including freezing or random cracks. The inspection and all necessary repairs shall be completed prior to backfilling operations. E)Sampling and testing of materials, equipment or construction work may be required at the expense of the Contractor at the discretion of the Engineer for the purpose of ascertaining that the work is in substantial conformance with this policy and the approved construction documents. Sampling and testing shall conform to the requirements of the sections of the Standard Specifications applicable to the portion of the work suspected to be non - compliant or as directed by the Engineer. F)Where the Engineer determines that is necessary to confirm compliance with standards of quality or thickness, concrete curb shall be cored and tested at the expense of the Contractor. The average thicknesses of the curb must equal or exceed the minimum prescribed by the approved construction documents. G)Such inspections shall not be construed to relieve the developers' engineers or contractors in any way from their obligations and responsibilities under their contracts. Specifically, inspection by the Engineer, or by retained engineers or testing agencies, shall not require them to assume responsibilities for the approved construction documents, for any misinterpretation of the approved construction documents by the contractors during construction, or for the means and methods of construction, nor for safety on the job site. H)Work identified to not meet the requirements of this policy or the approved construction documents, unacceptable work, whether the result of poor workmanship, use of defective materials, damage through carelessness, or any other cause found to exist prior to the final acceptance of the work, shall be removed immediately and replaced in an acceptable manner at the Contractor's expense. 1) If the Contractor fails to comply forthwith with any order made under the provisions of this subsection, the Engineer will have authority to cause unacceptable work to be remedied or removed and replaced; to cause unauthorized work to be removed; and to deduct the costs from any monies due or to become due. J)Work done contrary to instructions provided by the Engineer shall be considered unacceptable and subject to immediate removal and replacement in accordance with the instructions provided by the Engineer. 6)Acceptance A)Before acceptance of the concrete curb, the Engineer shall determine if the improvements are in substantial compliance with this policy (except for any variances granted) and the approved construction documents. B)The Engineer may, at his sole discretion, accept work that is not in conformance with this policy provided that the work is bonded for a period greater than three years. The Engineer shall establish the extended bonding requirement. SCALE: 1 " = 20' 0 10 20 40 Know what's below. 0111 before you dig. Within Indiana Call 811 or 800 - 382 -5544 24 Hours a Day, 7 Days o Week. PER INDIANA STATE LAW IC 8 -1 -26, IT IS AGAINST THE LAW TO EXCAVATE WITHOUT NOTIFYING THE UNDERGROUND LOCATION SERVICE TWO (2) WORKING DAYS BEFORE COMMENCING WORK.