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HomeMy WebLinkAbout03090013 Townhomes at Hunter's Creek Large Plan pg. OI ESTRIDGE DEVELOPMENT CO., INC. CARMEL, INDIANA DRAWN BY: DRP CHECKED BY: KC SHEET TITLE: SPECIFICATIONS DRAWING FILES: R: \4K \4409 \001 \DWGS \C901 SHEET NO.: C90 IMMIM r DATE: 8/29/03 PROJECT NO.: 4409.001 DRAWN BY: DRP CHECKED BY: KC SHEET TITLE: SPECIFICATIONS DRAWING FILES: R: \4K \4409 \001 \DWGS \C901 SHEET NO.: C90 :SNOISIAJ� \11 /ii cG\STER,,, �N o. 920350 STATE OF a, AN I AN P 0 011111 11\ z DATE: 1.-t 4 k THIS DRAWING AND THE IDEAS, DESIGNS AND CONCEPTS CONTAINED HEREIN ARE THE EXCLUSIVE INTELLECTUAL PROPERTY OF THE SCHNEIDER CORPORATION, AND ARE NOT TO BE USED OR REPRODUCED, IN WHOLE OR IN PART, WITHOUT THE WRITTEN CONSENT OF THE SCHNEIDER CORPORATION. COPYRIGHTED BY THE SCHNEIDER CORP. (2003) S chneider THE SCHNEIDER CORPORATION Historic Fort Harrison 8901 Otis Avenue Indianapolis, IN 46216 -1037 Telephone: 317.826.7100 Fax: 317.826.7300 www.schneidercorp.com Architecture Civil Engineering Environmental Engineering Geotechnical Services GIS *LIS Home Builder Services Interior Design Land Surveying Landscape Architecture Transportation Engineering EARTHWORK SCOPE OF 'WORK Extent: The work required under this section consists of all excavating, filling, rouge grading and related items necessary to complete the work indicated on the drawing and described in the specifications. The i- ontractor shall notify in writ na 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. SITE 4. The Contractor shall accept the site as he finds it and shall remove all trash, rubbish and debris from the site prior to starting excavation. B. Work not included: The following items of related work are specified and included in other sections of these specifications: 1 Excavation, grading and backflliing for utility lines 2. Storm drainage systems Sanitary sewer systems 4. Streets and pcvinn Water supply system 3. BLN MARKS Maintain carefully all bend marks, monurnents and other reference points; if disturbed or destroyed, contractor shall contact engineer. REM Ci'vAL OF TREES 4. PROTECTION OF TREES in general, the items of wok to be performed under this section shall include: clearing and grubbing, removal of trees and stumps (where required), protection of trees to remain, stripping and storage of topsoil, fill compaction and rough grading of entire site. Excavated rrioteriai that is suitable may be used for fills. Al: unsuitable material and all surplus excavated material not required shall he removed from the site. The location Of durnp and length of haul shall be the Contractor's responsibility. Provide and place any additionai full material from off the site as may be necessary to produce the grades required. Fill obtained from off site shall be of kind and quality as specified for fills herein and the source approved by the Owner. A. Remove all trees and stumps from area to be occupied by rood and surfaced areas. Removal of trees outside these areas shall only be done as noted on drawings or approved by the Owner. B. All brush, stumps, wood and other refuse from the trees shall be buried onsite or removed to disposal areas 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. A. General Protection: The Contractor shall be responsible for the protection of tops, trunks and roots of existing trees on the project site that are to remain. Existing trees subject 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 injury 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 parking areas. Pile and store topsoil at 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 grading and subsurface 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: Rules and regulations governing the respective utilities shall be observed in executing all work under this section. B. If active utilities are encountered but not shown on the drawings, the Engineer shall be advised before work is continued. C. Inactive and abandoned utilities encountered in excavating and grading operations shall be reported to the Engineer. They shall be reme.ed, plugged or capped as directed by the Utility Company and the Engineer. D. It shall be the responsibility of each contractor to verify all existing utllties and conditions pertaining to his phase of the work. It shall also be the contractors responsibility to contact the owners of the various utilities before work is started. GRADING: A. Grades: Contractor shall perform all cutting, filling, compacting of fills and rough grading required to bring entire project area to grade as shown on the drawings. B. Rough Grading: the tolerance for paved areas 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: 1. All building pad areas shall be compacted to standards specified by local and /or state building codes. For compaction requirements of paved areas, see street specifications. 8. EARTH WC)RK BALANCE The Contractor shall confirm all earthwork quantities prior to start of construction. If an excess or shortage of earth is encountered, the Contractor shah confirm with the Owner and Engineer tlhe requirements for stockpiling, removal or importing of earth. Minor adjustifier o the srades me he required to earthwork balances when minor excess material or shortages are encountered. it is recognized by the parties hereto, that the :ab.lalations of the Engineer in determining earthwork quantities shall be arc- cornplished sccordance with the American Society of Civil Engineer's Standards for such calculations. Further, that these calculations are sub jecf 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 contr'lc:_or, ar:d that all ;t these pardroeters may cause either an excess or shortage of actual earthwork materials to complete the nro lect. I t such an actual minor excess or sh adage of ma ter ids. e c ir`., the eon tractor sh all contact the ens sneer to determine if Adjustment can be made to correct the imbalance of earth_ SANITARY SEWER SYSTEMS SCOPE OF ARK The work under this section includes al! sanitary sewers, manholes, cleanouts and related items including excavating and backfilling, necessary to complete the wore: shown in the drawings, starting five feet outside the building walls. The ends of sewers shall be tightly plugged or capped at the terminal points, adjacent to buildings, pending the connecting of all such lines to the building drain as specified in the plumbing specifications and architectural drawings. 2. MATERIALS A. Sanitary Sewers B. Manholes 3. APPLICATION 511 gravity' plastic sewer pipe and fittings shall conform to ASTM D3034, SDR -35 and meet 0 cell classification of 12454 B in accordance with ASTM 1784. sanitary sewer lines upon completion will be required to pass a low pressure air test. Said test shall be conducted according to ASTM F1 -92, and shall he witnessed by an Engineer and a representative of the Slay Waste District. The testing sail be in accordance with Table 1. F recast reinforced concrete manhole sections ,:and steps `_hall conform to AS 1M C -47B latest evisiorl_ castings shell he :1 un-torrn quality, tree from bksw holes, porosity, hard sp ots. shrinkage distil, ton or other defects_ They shall be smooth ana :well cleaned by shot- h uotina or by some other approved method. Thee, shall be coated with asphalt paint .which shall result in 0 smooth coating, tough and tenacious when cold, not tacky or brittle. ihe. shall be grov iron meet4nq .AYS TM .ti_..48, latest revision k'Ianr'.Qie. co vers tor sanitary sewer shall be Neenah Type P-1772-- A with 'f' concealed pick hole. 3 Joints manhole sections shall be jointed with sealed "o" rings. The "o" rings shall meet ASTM C -443 latest revisions. 4. Bismatic coating shall be applied around each manhole joint from 6 inches above to 6 inches below each joint. Inside joints to be filled with precoat plug material. 5. Manholes to be tested per ASTM C1244 -93 for "concrete sewer manholes" by negative air pressure (vacuum) test. A. Permits and 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 as amended 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 of utility company. C. Existing! Improvements Maintain in operating condition all active utilities, sewers and other drains encountered in the sewer installation. Repair to the satisfaction of the owner any damage to existing active improvements. D. Workmanship To conform to all local, state and national codes and 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 sufficiently ahead of pipe laying to reveal any obstructions. 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 necessary to protect workmen and adjacent structures. Ail trenching to comply with Occupational Safety and Health Administration Standards. Keep trenches free from water while construction is in progress. Under no circumstances shall pipe or appurtenances be laid in standing water. Conduct the discharge from trench dewatering to drains or natural drainage channels. Special Supports Whenever, in the opinion of the Engineer, the soil at or below the pipe grade is unsuitable 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 adjusted. 0. Backfilling for a depth of at least 12 inches above the top of the pipe, backfill with granular 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 granular material containing stones or rocks not larger than 4 inches. Backfill under and within 5' of walks, parking areas, driveways and streets shall be granular material only thoroughly compacted, by approved methods. H. Flow Channels The flow channels within manholes shall be an integral part of the precast base. The channels shall be shaped and formed for a 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 at 1 /2 inch per foot to the manhole wall. Infiltration The contractor shall furnish necessary equipment to test sewers for infiltration. Infiltration rates shall not exceed the Local Standards. 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 authorized by The City of Carmel. Infiltration under test shat! not. exceed 100 gallons per inch of inside diarneter 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 trash from appurtenances just prior to acceptance of work. K. Deflection Testing All PVC and truss sewer (non lateral) pipe must be tested for deflection with an acceptable go -no -go mandrel. No pipe can exceed a deflection of 5 The deflection test must be conducted using a mandrel having diameter equal to 95% of the inside diameter of the pipe. The test must be performed without a mechanical pulling device and the rope used to pull the mandrel must be no stronger than 150 pound test. Tag /trail rope may be of any size to allow removal of mandrel. A single individual of average size, weight and strength without the use of tools to gain leverage must pull the mandrel. All pipe exceeding the allowable deflection must be replaced or repaired and retested. L. Storm Water Connections No roof drains, footing drains and /or surface water drains may be connected to the sanitary sewer systems, including temporary connections during construction. M. Waterline 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 all existing utilities and conditions pertaining to his phase of the work. It shall also be the contractors responsibility to contact the owners of the various utilities before work is started. 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 started or resumed. 0. Service Laterals Individual lot service lines shall be 6" in diameter and 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 at 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 main. Sewer service lines shall be marked on the curb with red paint and at the end of the line with a wooden 2x4 above the ground. P New Sanitary Sewer Main Construction Contractor shall record dimensions of each service line stub from nearest downstream manhole measured alone the sanitary sewer main. The locations of manholes and service lines along with any other construction changes are to be incorporated on the original construction drawings and "Record Drawing" prints submitted to the Town of Westfield and the engineer as soon after completion of construction as possible. STORM SEWER SYSTEMS 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 B. Manholes 3. APPLICATION 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 1. Precast reinforced concrete manhole sections and 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 asphalt paint which shall result in a smooth coating, tough and tenacious when 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 latest revision. When manhole and storm pipe are continuously in water. C. SUBDRAINS Perforated plastic pipe subdrains shall conform to ASTM F -405. A. Permits and 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 as amended 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 installation. Repair to the satisfaction of the owner any damage to existing active improvements. D. Workmanship To conform to all local, state and national codes and 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 ahead of pipelaying to reveal any obstructions. 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 necessary to protect workmen and adjacent structures. All trenching to comply with Occupational Safety and Health Administration Standards. Keep trenches free from water while construction is in progress. Under no circumstances lay pipe or appurtenances in standing 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 ;s unsuitable 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 adjusted. STREETS G. Backfilling for a depth of at least 12 inches above the top of the pipe, backfill with earth or granular material free from large stones, rock fragments, roots or sod. Tamp this backfill thoroughly, taking care not to disturb the pipe. For the remaining trench depth, backfill with earth or granular material containing stones or rocks not larger than 4 inches. Backfill under and within 5' of walks, 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 finished and of semi circular section conforming to the inside diameter of the connecting sewers. Make changes in size or grade gradually and changes in direction by true curves. Provide such channels for ail connecting sewers at each manhole. Subdrains All subdrains shall be of the size shown on the plans and shall be constructed to the grades shown. All drains constructed off -site as part of the outlet drain 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 contact 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. Contractor to grout joints inside storm structures where pipes enter or exit and between structure and casting. 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 and described in the specifications, including but not limited to: MATERIALS A. Concrete Concrete shall be ready mixedl concrete and shall be a mix of proportioned fine and coarse aggregates with Portland cement and water. Minimum cement content shall be 6 bags per cubic yard of concrete and maximum water content shall be 5.5 U.S. gallons per sack of cement, including moisture in the aggregate. Slump for normal weight concrete shall be a maximum of 4 inches and a minimum of 2 inches. the slump of machine placed concrete shall be no less than 1 -1/4 inches nor more than 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 air entrainment of 5% to 8% by volume per ASTM C -260. Retempering of delivered concrete will not be allowed. Concrete shall be composed of: 3. APPLICATION All streets, parking areas in contract limits Curbs and gutters Sidewalks and concrete slabs, exterior steps Portland cement Conforming to ASTM C -150, Type IA or Type IIIA. 2. Aggregates: Conforming to ASTM C-3.3 3. Water Shall be clear and free from injurious amounts of oils, acids, alkalies, organic materials or other deleterious substances. B. Welded Steel Wire Fabric Where required for concrete reinforcement shall conform to ASTM A185. C. Premoulded Joint Filler Shall 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 shall comply with the Indiana Department of Transportation specifications, per latest revision. E. Compacted Aggregate Subbase: Shall be crushed stone or gravel. Crushed gravel shall be a minimum of 35% crushed material. Chert shall be limited to a maximum of 8% of the total. Material shall be free from an excess of flat, elongated, thinly laminated, soft or disintegrated pieces; and shall be free from fragments coated with dirt. Compacted aggregate shall be graded as follows: SIEVE SIZE PASSING 1 -1/2" 1" 3/4" 1/2" 4 #30 #200 100 80 -100 70 -90 55 -80 35 -60 25-50 12-30 5 -10 A. Grading Do any necessary grading in addition to that performed in accordance with Earthwork Section, to bring subgrades, 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 prepared subgrade prior to paving. C. Compaction of Subgrade The first 6 inches below the subgrade shall be compacted to at 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 adjustments in such structures. E. Placing Concrete Subgrade Place concrete only on a moist, compacted subgrade or base free from loose material. Place no concrete on a muddy or frozen subgrade. 2. Forms All forms shall be free from warp, tight enough to prevent leakage and substantial enough to maintain their shape and position without springing or settling, when concrete is placed. Forms shall be clean and smooth immediately before concreting. 3. Placing Concrete Concrete shall be deposited so as to require as little rehandling as practicable. When concrete is to be placed at an atmospheric temperature of 35 degrees F. or less, paragraph 702.10 of the Indiana Department of Transportation Specifications latest revision shall be followed. F. Concrete Curb 1. Expansion Joints Shall be 1/2 inch thick premoulded between storm structures Sc curb. 2. Contraction /Control Joints Unless otherwise provided, contraction joints shall be sawed or scored joints spaced 10 feet on center, except for intersection radii where joints shall be placed 5' o.c. 3. Finish Tamp and screed concrete as soon as placed, and fill any honey combed places. Finish square corners to 1 /4" radius and other corners to radii shown. G. Concrete Walks and Exterior Steps Slopes Provide 1/4 inch per foot 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 drawings. 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 1/2" expansion joints where sidewalks intersect, and at a maximum spacing 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 Transportation Specifications, latest revision. Bituminous Pavement Hot asphalt concrete pavement shall be as specified in Section 403 of the Indiana Department of Transportation Specifications latest revisions. Paving will not be permitted during unfavorable weather or when the temperature is 40 degrees F. and falling. J. Compacted Aggregate Subbase The thickness shown on the drawings is the minimum thickness of the fully compacted subbase. Compaction shall be accomplished by rolling with a smooth wheeled roller weighing 8 to 10 tons. Compact to 90% compaction using Standard Testing Procedures. Along curbs, headers and walls and at all placed not accessible to the roller, the aggregate material shall be tamped with mechanical tampers or with approved hand tampers. 2. Compact, following Section 304.05 of the 1995 INDOT Standard Specifications. TABLE 1 TIME IN MINUTES AND SECONDS REQUIRED FOR FOR PRESSURE DROP FROM 3.5 PSIG TO 2.5 PSIG (Based on 0.003 cfm per sq. ft. and 2.0 cfm) Pipe Diameter D in Inches 4 6 8 10 12 15 18 21 24 27 30 25 :04 :10 :18 :28 :40 1:02 1:29 2:01 2:58 3:20 4:08 50 :09 :20 :35 :55 1:19 2:04 2:58 4:03 5: 17 6:41 8:15 75 :13 :30 :53 1:23 1:59 3:06 4:27 6:04 7:55 10:01 12:23 100 :18 :40 1:11 1:50 2:38 4:08 5:56 8:05 10:39 12:45 14:11 125 :22 :50 1:28 2:18 3:18 5:09 7:26 9:55 11:20 150 :26 :59 1:46 2:45 3:58 6:11 8:30 175 :31 1:09 2:03 3:13 4:37 7:05 200 35 1:19 2: 21 3: 40 5:17 225 :40 1:29 2:38 4:08 5:40 250 :44 1:39 2:56 4:35 275 :48 1:49 3:14 4:43 300 53 1:59 3: 31 350 1:02 2:19 3:47 400 1:10 2: 38 450 1:19 2: 50 500 1:28 550 1:37 600 1:46 650 1:53 2:50 3:47 4:43 5:40 7:05 8:30 9:55 11:20 12:45 14:11 33 4: 59 9: 59 14: 58 15:35 15:35 36 39 5: 56 6: 58 25 11:53 13: 57 50 17: 00 18: 25 75 100 125 150 175 200 225 250 275 300 350 400 450 500 550 600 17: 00 18:25 650