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HomeMy WebLinkAboutC901 Specifications�i L K J H G F E 0 C i3 A � I 2 I 3 EARTHWORK 1. SCOPE OF WORK A. Extent: The work required under this section consists of all excavating, filling. rough grading ond reloted items necessary to complete the work indicated on the drawings and described in the specifications. The Controctor shall notify in writing the owners and the Engineer of any changes. errors. or omissions found on the plans or in the field. before work is started or resumed. 1. In general, the items of work to be performed under this section shall include: clearing ond grubbing. removal of trees and stumps (where required), protection of tress to remain. stripping and storage of topsoil. fill compaction and rough grading of entire site. 2. Excavated material that is suitable may be used for fills. All unsuitable material and all surplus excavated material not required shall be removed from the site. The location of dump and length of houl shall be the Contractor's responsibility. 3, Provide and place any additional fill material from off ihe site as may be necessory to produce the grades required, Fill obtained from off site shall be of kind and quolity as specified for fills herein ond the source approved by the Owner. � 4. The Contractor shall accept the site as he finds it and shall remove all trash� rubbish and debris from the site prior to sta�ting excavation. B. Work not included: The following items of related work are specified ond included in other sections of these specifications: 1. Excavation, grading and backfilling for utility lines 2. Storm droinage systems 3. Sunitary sewer systems 4, Streets and poving 5. Water supply system 2. BENCH MARKS Maintoin carefully all bench morks. monuments and other reference points; if disturbed or destroyed. contractor shall contoct engineer. 3. REMOVAL OF TREES A. Remove �all trees and stumps from area to be occupied by rood and surfoced areas. Removal of trees outside these areas shall only be done as noted on drawings or approved by the Owner. g, All brush. stumps� wood and other refuse from the trees shall be buried onsite or removed to disposal oreas off of the site. Disposal by burning shall not be permitted unless proper permits are obtained (where applicable). The location of on site bury pits shall be designated by the owner or the Engineer. 4. PROTECTION OF TREES A. General Protection: The Controctor shall be responsible for the protection of tops, trunks and roots of existing trees on the pro ject site thot are to remain, Existing trees sub ject to construction damage shall be boxed, fenced or otherwise protected before any work is started; do not stockpile within branch spread. Remove . interfering branches without in�ry to trunks and cover scars with tree paint. 5. HANDLING OF TOPSOIL A. Remove all organic material from the areas to be occupied by buildings. roads. walks and porking oreas. Pile and store topsoil ot a location where it will not interfere with construction operations. Topsoil .shall be reasonably free from subsoil, debris.� weeds� grass, stones� ect. B. After completion of site groding and subsurfoce utility installation, top soil shall be replaced in areas designated on the erosion control plan for seeding and/or sodding. Any remaining top soil shall be used for finished grading around structures and landscaping areas. 6. DISPOSITION OF UTILITIES: A. Rules and regulations governing the respective utilities sholl be observed in executing all work under this section. B. If octive utilities are encountered but not shown on the drowings. the Engineer shalt -be advised before work is continued. C. Inactive and abandoned utilities encountered in excavating and grading operations shall be reported to the Engineer. They sholl be removed. plugged or capped os directed by the Utility Compony and the Engineer. D. It shall be the responsibility of each controctor to verify all existing utilities and conditions pertaining to his phase of the work. It shall also be the controctors responsibility to contact the owners of the various utilities before work is started. 7. SITE GRADING: A, Grades: Contractor shall perform all cutting� filling� compacting of fills and rough groding required to b�ing entire pro ject orea to grade as shown on the drowings. B, Rough Groding: the toleronce for paved areos ' shall not exceed 0.10 feet plus or minus above the established subgrade. All other areas shall not exceed 0.10 feet plus or minus the established grade. All banks and other breaks in grade shall be rounded at top and bottom. C. Compaction Requirements: t, All building pad areas shall be compacted to standards specified by local ond/or state building codes. 2, For compaction requirements of paved areas� see street specifications. . � 2 3 4 I 5 8. Earth Work Bolance The Contractor shall confirm all earthwork quantities prior to start of construction. If an excess or shortage of earth is encountered, the Controctor shall confirm with the Owner and Engineer the requirements for stockpiling. removal or importing of earth. Minor od justments to the grades may be required to earthwork balances when minor excess material or shortages ore encountered. It is recognized by the parties hereto that the calculations of the Engineer in defermining earthwork quantities shall be ac- complished in accordance with the Americon Society of Civil Engineers Standards for such calculations. Further� that these calculations are subject to the interpretations of soil borings as the physical limits of the various soil types. also the allowable variation in finish grade and compaction permitted the controctor, and that all of these parameters may cause either an excess or shortage of actual earthwork materials to complete the project. If such an actuol minor excess or shortage of materials vccurs, the controctor shall contact the e�gineer to determine if ad justment can be made to correct the imbalance of earth. [� SANITARY SEWER 5YSTEMS 1. SCOPE OF WORK The work under this section includes alf sanitary sewers. manholes. cleanouts and related items including excavating and backfilling, necessary to complete the work shown in the drawings, storting five feet outside the building walls. The ends of sewers shall be tightly plugged or copped at the terminal points, od jacent to buildings, pending the connecting of all such lines to the building droin as specified in the plumbing specifications and architecturol drowings. 2. MATERIALS A. Sanitary Sewers 1. All gravity plastic sewer pipe and fittings shall conform to ASTM D3034. SDR-35 and meet a cell classification of 12454 B in accordance with ASTM 1784. B. Manholes 1. Precast reinforced concrete manhole sections ond ste�s shall conform to ASTKA C-478 latest revision. 2, Castings shall be of uniform quality, free from blow holes. porosity, hard spots. shrinkage distortion or other defects. They shall be smooth and well-cleaned by shot- blosting or by some other opproved method. They shall be coated with asphalt paint which shall �esult in a smooth cooting. tough and tenacious when cold, not tacky or brittle. They shall be groy iron meeting ASTM A-48 latest revision. Monhole covers for sanitary sewer shall be Neenah Type R-1772-A with "f" concealed pickhole. 3. Joints - manhole sections shall be jointed with sealed "o" rings. The "o" rings sholl meet ASTM C-443 lotest revisions. 4. Bismatic cooting shall be .dpplied oround each mrnhole joint from 6 inches above to 6 inches h��low each joint. Inside joints to be filled with precoat plug material, 3. APPLICATION A. Permits ond Codes - The intent of this section of the specifications is that the contractor's bid on the work covered herein shall be based upon the drawings and specifications but that the work shall comply with all applicable codes and regulations os amended by ony waivers. Contractor shall furnish all bonds necessary to get permits for cuts and connections to existing sewers. B. Local Stondards - The term "local standards" as used herein means the stondards of design and construction of the respective municipal department of utility company. C. Existing Improvements - Maintain in operating condition all active utilities� sewers ond other droins encountered in the sewer instollation. Repair to the satisfaction of the owner any damoge to existing active improvements. D. Workmanship - To conform to all local, stote and national codes and to be approved by oll local and stote agencies having jurisdiction. E. Trenching - Lay all pipe in open trenches� except when the local authority gives written permission for tunneling. Open the trench sufficiently ahead of pipe-laying to reveal any vbstructions. The width of the trench shall be the inside pipe diameter plus 24 inches for 12 inches above the pipe. Sheet and brace trench as necessory to protect workmen and ad jacent structures. All trenching to comply with Occupational Safety and Health Administration Stondards. Keep trenches free from water while construction is in progress. Under no circumstances shall pipe or appurtenances be laid in stonding water. Conduct the discharge from trench dewatering to drains or natural drainage channels. F. Special Supports - Whenever. in the opinion of the Engineer. the soil at or below the pipe grade is unsuitoble for supporting sewers and appurtenances specified in this section, such special support, in addition to those shown or specified� shall be provided as the Engineer may direct, and the contract will be ad justed. G. Backfilling - for a depth of at least 12 inches obove the top of the pipe, backfill with gronular material free from large stones, rock fragments, roots or sod. Compact this backfill thoroughly, taking care not to disturb the pipe. for the remaining trench depth, backfill with earth or gronular moterial containing stones or rocks not larger than 4 inches. Backfill under and within 5' of walks, parking areos, driveways and streets shall be granular mate�ial only - thoroughly compacted. by approved methods. H. Flow Channels - The flow channels within manholes shall be on integral port of the precast base. The channels shall be shaped and formed for o clean transition with proper hydraulics to allow the smooth conveyance of flow through the manhole. The bench wall shall be formed to the crown of the inlet and outlet pipes to form a"U' shaped channel. The bench wall shall slope back from the crown ot 1/2 inch per foot to the manhole woll. 4 � 5 I 6 7 � �7 I. Infiltration - The contractor shall furnish necessary equipment to test sewers for infiltrotion. Infiltration rates shall not exceed the Local Stondards. All sanitary sewer lines upon completion will be required to pass a low pressure air test. unless otherwise directed by the City of Carmel. Said test shall be conducted according to NCPI Standard Method� and shall be witnessed by an inspector outhorized by the City of Carmel. Infiltration under test sholl �ot exceed 200 gallons per inch of inside diameter of sewer pipe per mile of sewer in 24 hours and inclusive of all appurtenances within the section being tested such as manholes, house connections, etc. J. Flushing Sewers - Flush all sanitary sewers except building sewers with water to obtain free flow through each line. Remove all silt and trosh from nppurtenances just prior to acceptance of work. K. Plastic Sewer Pipe Installation - Plastic sewer pipe shall be installed in a accordance with ` ASTM D2321 per latest revision and no plastic pipe shall exceed a deflection of 5�a L. Storm Water Connections - No roof drains, footing drains and/or surfoce water drains may be connected to the sanitory sewer systems, including temporory connections during construction. M. Woterline Crossing - Where water lines and sanitary sewers cross and water lines cannot be placed above the sewer with a minimum of 18 inches vertical clearance, the sewer must be constructed of water works grade ductile iron pipe with mechanical joints within 10 feet of the water line. N. Utilities - It shall be the responsibility of each contractor to verify oll existing utilities and conditions pertai�ing to his phase of the work. It shall also be the contractors responsibility to contact the owners of the various utilities before work is storted. The contractor shall notify in writing the owners and the engineer of any changes� errors or omissions found on these plans or in the field before work is storted or resumed. 0. Service Laterals - Individual lot service lines shall be 6" in diameter ond of material equal to that specified in 2A of this section, Service lines shall be connected to the main sewer by a wye at locations generally shown within these plans. Service lines shall be extended and capped ot a point 5 feet beyond the right-of-way line or one pipe length for those services on the same side of the street as the moin. Sewer service lines shall be marked on the curb with red paint and at the end of the line with a wooden 2x4 obove the ground. P. New Sanitary Sewer Main Construction - Contractor shall record dimensions of each service line stub from nearest downstream manhole measured along the sanitory sewer main. The locations of ma�holes and service lines alon4 with any other construction changes are to be incorporated on the ori�nal construction drowings and "Record Drawing prints submitted to the City of Carmel ond the engineer as soon after completion of construction as possible. STORM SEWER SYSTEMS 1. SCOPE OF WORK The work under this section includes all storm sewers, storm water inlets, and related items, including excavating and backfilling� necessary to complete� the work shown on the drawings. 2. MATERIALS A. Storm Sewers 1. Reinforced concrete sewer pipe shall confirm to ASTM C-76 latest revision, with joints conforming to ASTM C-443 latest revision. When storm pipe is submerged B. Manholes 1. - Precast reinforced concrete manhole sections ond steps shall conform to ASTM C-478 latest _ revision. 2. Casting shall be of uniform quality, free from blow holes. porosity, hard spots. shrinkage distortion or other defects. They shall be smooth and well cleaned by shot -blasting or by some other approved method. They shall be coated with osphalt point which shall result in a smooth coating. tough and tenacious whe� cold, not tacky or brittle. They shall be gray iron meeting ASTM A-48 latest revision. 3. Joints - Manhole sections shall be jointed with rubber type gaskets. The rubber type gaskets shall meet ASTM C-443 lotest revision, When manhole ond storm pipe are continuously in water. C. SUBDRAINS 1. Perforated plostic pipe subdrains shall conform to ASTM F-4p5. 3. APPLICATION A. Permits and Codes - The intent of this section of the specifications is thot the contractor's bid on the work covered herein shall be based upon the drowings and specificotions but that the work shall comply with all applicable codes and regulations as omended by any waivers. Contractor shall furnish all bonds necessary to get permits for cuts and connections to existing sewers. B. Local Standards - the term °Local Standards" as used herein means the standards of design and construction of the respective municipal department or utility company. C. Existing Improvements - Maintain in operating condition all active utilities. sewers and other drains encountered in the sewer instollation. Repair to the satisfoction of the owner any damoge to existing active improvements. D. Workmanship - To conform to oll local, state and national codes ond to be approved by all local and state agencies having jurisdiction. E. Trenching - Lay all pipe in open trenches. except when the local authority gives written permission for tunneling. Open the trench sufficient ohead of pipeloyi�g to reveal any obstructions. The width of the trench shall be the inside pipe 7 8 9 e 10 11 I 12 diameter plus 24 inches for 12 inches above the pipe. Sheet and brace trench as necessary to protect workmen and ad jacent structures. All trenching to comply with Occupational Safety and Health Administration Stondards. Keep trenches free from water while construction is in progress. Under no circumstances loy pipe or oppurtenances in standing water. Conduct the discharge from trench dewatering to drains or natural droinage channels. F. Special Supports - Whenever in the opinion of the Engineer the soil at or below the pipe grade is unsuitoble for supporting sewers and appurtenances specified in this section� such special support, in addition to those shown or specified. shall be provided as the Engineer may direct, and the G. �or�t{�ct will tb.e ad� p�d.of at least 12 inches ac i mg - or a e above the top of the pipe, backfill with earth or granular material free from lorge stones. rock fragments� roots or sod. Tamp this backfill thoroughly� taking care not to disturb the pipe. For the remaining tre�ch depth, backfill with earth or granular material containing stones or rocks not larger than 4 inches. Backfill under and within 5' of wolks� parking areas� driveways and street shall be granular material only - thoroughly compacted by approved methods. H. Manhole Inverts - Construct manhole flow channels of concrete sewer pipe or brick, smoothly �nished and of semi-circular section conforming to the inside diometer of the connecting sewers. Make changes in size or grade graduolly and changes in direction by true curves. Provide such channels for all connecting sewers at each manhole. I. Subd�ains - All subdrains shall be of the size shown on the plans and shall be constructed to the grades shown, All droins constructed off-site as port of the outlet d�oin will be located as shown. J. Utilities - It shall be the responsibility of each contractor to verify all existing utilities and conditions pertaining to his phase of the work. It shall also be the contractors responsibility to • contoct the owners of the various utilities before work is started. The contractor shall notify in writing the owners or the engineer of any changes. errors or omissions found on these plans or in the field before work is started or resumed. K. Controctor to grout joints inside storm structures where pipes enter or exit ond between structure and casting. STREETS 1. SCOPE OF WORK The work required under this section includes all concrete and bituminous paving and related items necessary to complete the work indicated on drawings ond described in the specifications. including but .not limited to: All streets. parking areas in controct limits Curbs and gutters Sidewalks and concrete slabs, exterior steps 2. MATERIALS A. Concrete - Concrete shall be ready-mixed conc�ete and shall be a mix of proportioned fine and coorse aggregates with Portlond cement ond water. Minimum cement content shall be 6 bags per cubic yard of concrete and maximum woter content shall ..., be 5.5 U.S. gallons per sack of cement, includ'ing . moisture in the aggregate. Slump for normal weight concrete shall be a maximum of 4 inches ond a minimum of 2 inches. the slump of machine placed concrete shall be no less than 1-1/4 inches nor more thon 3 inches. Standard test ASTM C-143 shall be used to measure slump. Compressive strength of concrete at 28 days shall be 4000 psi. All exterior concrete shall have oir entrainment of 556 to 8X by volume per ASTM C -260. Retempering of delivered concrete will not be allowed. Concrete shall be composed of: 1. Portland cement - Conforming to ASTM C-150, Type IA or Type IIIA, • 2, Aggregates: Conforming to ASTM C-33 3. Water - Shall be clear and free from in jurious amounts of oils. acids, alkalies, organic materials or other deleterious substances. B. Welded Steel wre Fabric - Where required for concrete reinforcement shall conform to ASTM A185. C. Premoulded Joint Filler - Sholl be of non -extruding type meeting ASTM D-544 except that premoulded joint filler used in concrete walk construction may be either non-extruding or resilient. D. Bituminous Pavement Materials - All materials proposed for the construction of bituminous pavements sholl comply with the Indiana Department of Transportation specifications, per latest revision. E. Compacted Aggregate Subbase: Shall be crushed stone or grovel. C�ushed gravel shall be a minimum of 35% crushed material. Chert shall be limited to a maximum of 89� of the totol. Material shall be free from an excess of flat. elongated. thinly laminated, soft or disintegrated pieces; ond shall be free from fragments coated with dirt. Compacted aggregate shall be graded as follows: SIEVE SIZE � PASSING 1-1/2" Q 100 ' p �.io� � o0 3�4" 70-90 � �2" 55- 80 #4 35-60 #g � 25-50 #30 12- 30 �l200 5-10 3. APPLICATION A. Grading - Do any necessary groding in addition to that performed in accordance with Earthwork Section. to bring subgrvdes, after final compaction� to the required grades and sections for site improvement. , B. Preparation of Subgrade - Remove spongy and otherwise unsuitable material and replace with stable material. No traffic will be allowed on prepored subgrade prior to paving. 10 I 11 I 12 13 14 I 15 C. Compaction of Subgrade - The first 6 inches below the subgrode shall be compacted to ot least 100� � of the maximum dry density as determined by the provisions of AASHO T-99. Water shall be prevented from standing on the compacted subgrade. D. Utility Structures - Check for correct elevation of all manhole covers. valve boxes and similar structures located within areas to be paved. and make. or have made� any necessary ad justments in such structures. E. Placing Concrete ' 1. Subgrade - Place concrete only on a moist. compacted subgrade or base free from loose material. Place no concrete on o mudtiy or frozen subgrade. � 2, Forms - All forms shall be free from warp. tight enough to prevent leakage and � substantial enough to maintoin their shape and position without springing or settling. when concrete is placed. Forms shall be clean and smooth immediatefy before • concreting. . , 3. Plocing Concrete - Concrete shall be deposited so as to require as little rehandling as practicable. When concrete is to be ploced at an atmospheric temperature of 35 degrees F. or less� paragraph 702.10 of the Indiana Department of Transportation Specifications latest revision shall be fol I owed. F. Concrete Curb 1. Expansion Joints - Shall be 1/2 inch thick premoulded between storm structures & curb. 2. Contraction/Control Joints - Unless otherwise . provided. contraction joints shall be sawed or scored joints spaced 10 feet on cente�. except for in:ersection radii where joints shall be placed 5' o.c. 3. Finish - Tamp and screed concrete as soon as placed, ond fill any honey combed places. Finish square corners to 1/4" radius and othe� corners to radii shown. G. Concrete Walks and Exterior Steps 1. Slopes - Provide 1/4 inch per foo.t cross slope. Make adjustments in slopes at walk intersections as necessary to provide proper drainage. 2. Dimensions - Walks and steps shall be one course construction and of widths and details shown on the drowings. 3. Finish - Screed concrete and trowel with a steel trowel to a hard dense surface after . surface water has disappeared. Apply medium broom finish and scribe control joints at 5 foot spacing. Provide t/2" expansion joints whe� c; sidewolks intersect. and at a maximum spac,.�g of 48 feet between expansion joints. H. Curing Concrete - Except as otherwise specified. cure all concrete by one of the methods described in Section 501.17 of the Indiana Department of Transportotion Specifications, lotest revision. I. Bituminous � avement - Hot osphalt' concrete � pavement shall be as specified in Section 403 of the Indiana Department of Transportation ' Specificatic�ns lotest revisions. Paving will not be permitte�i during unfavorable weather or when the temperoture is 40 degrees F. and falling. J. Compacted Agg�egate Subbase - the thickness shown on the drawings is the minimum thickness of the fully compacted subbase. Compaction shall be accomplishe� by rolling with a smooth wheeled roller weighing 8 to 10 tons. Compact to 90� compaction using Standard Testing Procedures. Along curbs. headers ond walls and at all placed not accessible to the roller� the aggregate moterial shall be tamped with mechanical tampers • or with approved hand tampers. 13 14 I 15 0 I N V E S T 1� E N T S-- Revisions ��,.����p K. SF,�TO,,�� • 3�Q►.,�G�STEip�;o.�fi �iy N0. � � � 9500028 =� _ ' �0:: STATE OF j; �a �� %,������. ��!�D I AN��G? �� "J �•�,,,..��NAL _..��� CERTIFIED BY 1HIS DRAWINC AND 1FE IDEAS, DESICNS ANO CONCEPTS CONTAWED r��iN u� n� exa�v� w�uec�uu �n a� n� sc��R CORPORAiION AND ARE N0T TO BE USED OR REPROOUCED W WIIOLE OR W PART. YITHOUT iHE YRITIEN CONSENT OF 1FIE SCHNEIDER CORPORA710N. 1999, The Schneider Corporation � r � The Schneider LJGO 1�d1101�: � � 3020 North Post Road Engineering Indianapolis, Indiana Surveying 4622B-6518 Landscape Architecture 317-898-8282 GIS o LIS ' 917-899-8010 Fax Geology Formerly Schneider 8ngineering Corp. / Bohlen� Yeyer, Gibson dc Assoc. REI INVESTMEN7'S, INC. RESIDENCE INN/SPRINGHILL SUITES HOTEL CAR1lEI� INDIANA� SPECIFICATIONS � Date Project No. Draxn Approv. 12/30�/99 438.003 BET Computer Files Sheet No. J: \436\003\DWGS\C901.DWG ���� M L K J H G F E 1 C 7 A