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HomeMy WebLinkAboutpg. 08 Construction Specifications & General Provisions5/3 Bank Canopy Addition 11590 North Meridian Street Indianapolis, Indiana ,0111111/%,. 1 B OR 4)`)-** No. 990 I OF P fl.P June 22nd, 2004 Approved By: DSB Drawn By: Date of Last Field Work: Date Plotted: Construction Specifications General Provisions Benchmark Land Services, Inc. 9855 Crosspoint Blvd., Suite 110 Indianapolis, IN 46256 Ph. 317- 841 -1506 Fax 317 -841 -1507 wwW benchmarkls.com Notes: Specifications this sheet present minimum requirements for specifications not stated elsewhere on the plans. Rev# Date Remarks Project 3 -337 [5/3 Bank] Sheet No. 8 of 8 EARTHWORK 1. SCOPE OF WORK A. Extent: The work required under this section consists of all excavating, filling, rough grading, and related items necessary to complete the work indicated on the drawings and described in the specifications. 1. In general, the items of work 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 as indicated on the drawings. 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 and appropriately placed. The location of dump and length of haul shall be the Contractor's responsibility. 3. Provide and place any additional fill 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. 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 backfilling for utility lines. 2. Storm drainage systems. 3. Sanitary sewer systems. 4. Water supply systems. 5. Streets and paving. 2. BENCHMARKS Carefully maintain all bench marks, monuments, and other reference points. If disturbed or destroyed replace as directed by engineer. 3. REMOVAL OF TREES A. Remove all trees and stumps from areas to be occupied by road 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 removed from site or burned with proper permits (where applicable). 4. PROTECTION OF TREES 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 soars with tree paint 5. STRIPPING OF TOPSOIL Remove topsoil to a depth of 6 inches (or more if required) from the areas to be occupied by roads walks, buildings, and parking areas. Pile and store topsoil at a location where it will not interfere with construction operations. Top soil shall be reasonably free from subsoil, debris and stones. 6. DISPOSITION OF UTILITIES A. Rules and regulations governing the respective utilities shall be observed in executing all work under this section. B. 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 or the various utilities before work is started The contractor shall notify in writing the owner or the engineer of any changes, errors, or omissions found on these plans or in the field before work is started or resumes. C. Where active utilities are encountered but not shown on the drawings, the Engineer shall be advised before work is continued, D. Inactive and abandoned utilities encountered in excavating and grading operations shall be reported to the Engineer. They shall be removed, plugged or capped as directed by the Engineer. 7. SITE GRADING A. Grades: Do all cutting, filling, compacting of fills and rough grading required to bring entire project area to subgrade as shown on the drawings. Undercut open areas 4 inches for topsoil. B. Rough grading: the tolerance for paved areas shall not exceed 0.10 feet above established subgrade. All other areas shall not exceed 0.10 feet plus or minus the established grade. Provide roundings at top and bottom of banks and other breaks in grade. All open areas shall be graded a minimum of 0.5% and a maximum of 3:1 slope. On fill slopes steeper than 4:1, step or break -up sloped surfaces so that fill will bond with existing surface. Maximum lift height shall not exceed 12 inches. C. Subgrade shall be proof rolled with suitable equipment, and all spongy and otherwise unsuitable material shall be removed and replaced with suitable material. D. Subgrade for streets and paved areas 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. E. See PAVING section also. F. All fill material shall be formed from soil tree of deleterious material. If so required, prior to placement of fill, a sample of the proposed material shall be submitted to the soils engineer far approval. The fill material shall be placed in layers not to exceed 8 inches in loose thickness and shall be spread and compacted at the proper moisture content. G. All fill material in areas outside of building and pavement areas shall be compacted lightly with each lift and protected from erosion. Areas of building construction shall have suitable fill material placed and compacted in accordance with the Soils Engineer's report or minimum 95 standard proctor. SANITARY SEWER SYSTEMS SCOPE OF WORK The work under this section includes all sanitary sewers, manholes, catch basins, cleanouts, and rela d 'tems, including excavating and backfilling necessa to omplete the work shown on the drawings, starting ive et outside the building walls. The ends of sewer 11 be tightly plugged or capped at the termina p. is adjacent to buildings, pending the connec ng of all uch lines to the building drain as specified the plu bing specifications and architectural draw gs. 2. MATER LS A. A gravity plastic sewer pipe and fittings s all onform to ASTM 03034, SDR -35. The inimum cell classification for P.V.C. d Truss e shall be 12454 -B or 12454 -C. B. ABS ewer pipe and fittings shall confor to AS D2680 or latest revision. If usi truss pip joints shall be gasket type. C. Joints or P.V.C. and P.V.C. Truss pipe all be com ession type flexible gaskete i oints 3. APPLICATION A. Permits nd Codes: The intent of t s section of the sp: ifications is that the co ractors bid on the wor covered herein shall b based upon the drawing and specifications bu hat the work shall co .ly with all applicabl codes and regulatio as amended by an waivers. Contracto hall furnish all b nds necessary to get permit or cuts and con ections to existing sewers. B. Local Standard the term "L al Standards" as used herein eans the sta dards of design and construction the City o ndianapolis Dept. of Capital Asset nagemen C. Existing Improve -nts: M: ntain in operating condition all act e util' es, sewers and other e sewer installation. n of the owner any drains encounter Repair to the sati existing damage. D. Workmanship: To co o m to all local, state and national codes and be approved by all local and state agencies ing jurisdiction. E. Trenching: Lay all pi open trenches, except when the local aut or gives written permission for tunneling. Op th trench sufficiently ahead of pipe- laying to eveal ny obstructions. The width of the tre h shal be the inside pipe diameter plus 2 inches r 12 inches above the pipe. Sheet an brace tre ch as necessary to protect workm and adjat nt structures. All trenching to c mply with 0 upational Safety and Health A. inistration ndards. Keep trenches fre from water wh construction is in progress. U der no circumst ces lay pipe or appurtena es in standing wa t r. Conduct the discharge P om trench dewater g to drains or natural dr inage channels. F. Special Sup rts: Whenever in the pinion of the Engi v er, the soil at or below he pipe grade is unsui ble for supporting sewe and appurt: antes specified in this se ion, such specia _upport, in addition to thos shown or specif d, shall be provided as the E ineer may direc and the contract will be adjus d. G. Backfil ng: For a depth of at least 12 i hes abo the top of the pipe, backfill wit ranular ma rial tree from large stones, rock f gments, ro s or sod. Compact this backfill tho 'ughly, to ing care not to disturb the pipe. For e r: aining trench depth, backfill with ea or anular material containing stones or ro%' s not rger than 4 inches. Backfill under walks arking areas, driveways and streets shall granular material only thoroughly compa ed by approved methods. Trenches parallel to a d within 10 feet of paved roadways shall also be constructed with compacted granular materia Infiltration: Furnish necessary equipment to test sewers for infiltration. Infiltration rates shall exceed the Local Standards. All sanitary sewer lines upon completion will be required to pas a low pressure air test, unless otherwise direc d by he sewer utility. Said test shall be conduc d cording to NCPI Standard Method and s 11 be w nessed by an inspector authorized by e sewer ut ty. Infiltration under the test shall ot exc d 100 gallons per inch of inside d meter of sewe pipe per mile of sewer in 24 ho s and inclu ve of all appurtenances withi he section being sted such as manholes, hou connections, etc. I. Flushing Se ers: Flush all sanitary wers except building wers with water to ob in free flow through ea h line. Remove all It and trash from appurtenan s just prior to a eptance of work J. Plastic Sewer P e Installation: lastic sewer pipe shall be insta •d in accord ce with ASTM 02321 per late revision, a d no plastic pipe shall exceed a deflect n of M.. K. Storm Water Conne ions: o roof drains, footing drains an or s face water drains may be connected to the s. it y sewer systems, including temporary connectit during construction. L. Waterline Crossing: Wh e water lines and sanitary sewers cro- d water lines cannot be placed above the s er ith minimum of 11 inches vertical cl rant the sewer must be constructed of w ter wor grade ductile iron pipe with mechanic joints no within 10 feet either side of the wa r line. M. Utilities: It sh be the respo ibility of each contractor verify all existi utilities and conditions ertaining to his p se of the work. It shall also e the contractor's responsibility to contact e owners of the variou utilities before work is arted. The contractor all notify in writing he owners or the enginee of any changes, error or omissions found on these .lans or in the field efore work is started or resu d. N. New S nitary Sewer Construction: Cont ctor to re rd dimensions of each service lin tub from arest downstream manhole measure along the nitary sewer main. The locations of nholes nd service lines along with any other co truction changes are to be incorporated on the on al construction drawings and "Record Drawin prints submitted to the sewer as soon after completion of construction as possible. PAVING 1. SCOPE OF WORK The work required under this section includes all exterior 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: All drives, parking areas in contract limits -Curbs and gutters Sidewalks and concrete slabs, exterior steps 2. MATERIALS A. Concrete: Concrete shall be ready -mixed 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 or more than 3 inches. Standard test ASTM C -143 shall be used to measure slump. Minimum compressive strength of concrete at 28 days shall be 3500 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: 1. Portland cement: conforming to ASTM C- 150, Type IA or type IIA. 2. Aggregates: conforming to ASTM C -33. 3. Water: Shall be clear and free from injurious amounts of oils, acids, alkalids, 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 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 Sections 400 and 900 of the Indiana Department of Transportation Specifications. E. Compacted Aggregate Sub -base: Shall be crushed stone or gravel; Crushed gravel shall be a minimum of 35% crushed material. Fines 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 or per latest revisions: SIEVE SIZE PASSING 1 1/2 1 3" 4" 1/2 #30 #200 100 80 -100 79 -90 55 -80 35 -60 25 -50 12 -30 5 -10 3. APPLICATION 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 AASHTO T -99. Water shall be prevented from standing on the compacted subgrade. D. Utility Structures: Check for correct elevation of all manhole covers, inlets, valve boxes and similar structures located within areas to be paved and mark, or have made any necessary adjustments in such structures. E. Placing Concrete: 1. Subgrade: Place concrete only on a moist, compacted subgrade of 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 handling as practicable. When concrete is to be placed at an atmospheric temperature of 35 degrees F., or less, paragraph 702.11 of the Indiana Deportment of Transportation Specifications, latest revision shall be followed. F. Concrete Curb and Gutter: 1. Expansion Joints: Shall be 1/2 inch thick premoulded at ends of all returns and a maximum spacing of 100 feet. 2. Contraction Joints: Unless otherwise provided, contraction joints shall be joints spaced 10 feet on center. 3. Finish: Tamp and screed concrete as soon as placed, and fill any honeycombed places. Finish square corners to 1/2 inch radius and other corners to radii shown in plans. G. Concrete Walks and Exterior Steps 1. Slopes: Provide i 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 have 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 6 foot spacing. Provide 1/2 inch 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 501.20 of the Indiana Department of Transportation Specifications, latest revision. I. Bituminous Pavement: Hot asphalt concrete pavement shall be as specified in Section 402 of the Indiana Deportment of Transportation Specifications, latest revisions. Paving will not be permitted during unfavorable weather or when the temperature is 40 degrees F. and lolling. J. Compacted Aggregate Sub -base: The thickness shown on the drawings is the minimum thickness of the fully compacted sub -base: Compaction shall be accomplished by rolling with a smooth wheeled roller weighing 8 to 10 tons. Compact to 95% compaction using Standard Testing Procedures. Along curbs, headers and walls and at all places not accessible to the roller, the aggregate material shall be tamped with mechanical tampers or with approved tampers. WATER LINES 1. OPE OF WORK e work required under this section include all co water distribution lines, valves meter r s, hyd nts, and related items including exc ating and b kfilling necessary to complete t work shown i the drawings. The end of wa r service li es shall be tightly plugged capped at the termin paints pending the co ecting to all such lines o he building piping specified in the plumbing ecifications and chitectural drawings. 2. MATERIALS A. Polyvinyl Chlor e (PVC)• and jointing s 11 c the Indiana Plu where applicable for Water Works Upper Mississi Health and ironme PVC pipe st have the Sanitatio oundation) se be rate o withstand the a Solven weld fittings are not shall eet or exceed AWWA, C- B. Ducti Iron Pipe: Ductile iron pipe P i Riv VC pipe, materials, form to the requirements of g Rules (675 IAC 5) and, "Recommended Standards ished by the Great Lakes Board of State Public al Managers. F (National for potable water and lied pressure. ceptable. Pipe 0, DR18. hall meet A 'A C -150 and C -151 Specificati. s. C. Co er Tubing: Shall be seamless, ann led copper tubing complying with Federal Specification WW -T799. Fittings shall be wrought copper or cast bronze with solde oints. Solder shall be of a composition recommen ed by the manufacturer of the fittings. Fire Hydrants: Shall comply with AWWA Specification C -502 and shall meet local standards and requirements, particularly as nozzle diameters and threads, direction of opening, and dimensions of operating and c nuts. Fire Hydrants shall have one pumper nd two hose nozzles, a valve opening not less t an 5 inches, and a 6 inch inlet connection. The ngth of the hydrant barrel shall be determined y the specified depth of cover over the pipe. E. lves: All valves and stops shall have ends uited or adapters shall be provided far t roper installation in the lines in which ey are cated. Valves shall meet local standard or in e absence of such standards, the folio ing quirements. Valves in cast iron pipe shall be iro body, bronze mounted, disc gate valves conforming to AWWA Specificatio C -500. They shell open in the same dir: tion as those used in the local waterwo s system. Valve stems shall terminate in inch wrench nuts. Furnish two (2) eys. 2. alves in copper pipe shall be st dard brass body, round -way, groun -key stops, with T heads. Furnish two (2) eys. F. Valve B es: Shall meet local standar s or in the abse e of such, shall comply with he following requi ments: 1. Fo iron body valves, boxes sh 1 be proved standard buffalo- pe cast iron, ustable shaft boxes, hav g a minimum s aft diameter of 5 -1/4 in hes. 2. For rass body valves (stops) oxes shall be a roved standard cast it extension se ce boxes, having a m imum diameter of -1/2 inches and havi g lid held in place by brass or bronze bolt The castings shall be ated with two coats f coal -tar pitch var sh. Furnish two (2 keys for bolt in lids. G. Plastic Pipe: all conform to A M D -2241- SDR 21 with lexible elastome c seal joints conforming o ASTM 0 -3139. SF SEAL OF APPROVAL S LL BE STAMPED I N ALL PLASTIC PIPE 3. APPLICATION: A. Permits and Co. s: The inte of this section of the specificat ns is that t contractor's bid on the work cove d herein s :11 be based upon the drawings and ecificatio but that the work shall comply w h all appl able codes and regulations. C. tractor all furnish all necessary bonds to get pe its for uts and connections. B. Existing Improvem nts: M. ntain in operating condition all act e utili es and sewers and other pipe system that ay b encountered. C. Trenching: Lay all pe i open trenches, except when local autho ty gi es written permission for tunneling. Provid sep ate trench for the water at least 10 feet horiz t. y from any sanitary sewer. In locations where e rate trenches for sewer and water lines are imp a "cable, lay the water pipe on a solid shelf at 1 .t 18 inches above the top of the sewer. D. Width of Trench: Exca to trenches 12 inches each side of the pip or proper installation of pipe. E. Sheeting and bracing• necessary to prote structures. All tre Occupational Safe Standards. eet and brace trenches as rkmen and adjacent hi g shall comply with the a Health Administration F. Water Removal: Ke tre hes free from water while constructi. ther 'n is in progress. Under no circumstanc lay pi or appurtenances in standing water. onduct he discharge from trench dewatering to d ins, or atural drainage channels. G. Grading Trench B toms: T e bottom quadrant of the pipe shall fully an uniformly supported. The full load s all rest on he barrel of the pipe. The trench m. be excava d to a depth of 4 inches or mo below final rade with sand, crushed ston; or gravel ba fill to bring it back to pipe laying g de. For a de h of at least 12 inches abov he top of the ipe backfill with earth or gra ular material f e from large stones, roots or fro n clogs. Tamp is backfill thoroughly aking care not t. disturb the pipe. Backfill un er walks, parking reas driveways and streets wit granular materia only, and tamp thoroughl by approved meth. s. Trenches parallel t. and within 10 feet paved roadways shall also e constructed with mpacted granular material. H. Tests: Bef e joints are covered, 1 the piping with wa r, opening hydrants or 'ther outlets to expel al Test the piping for lea ge as required by loca ordinances. Inspect all ints for leakage and re edy any leaks. Upon com etion of the water i. es, flush out the system ntil the water runs c ar. As soon as the system as been flush: out, it shall be sterilized i accordance with e requirements of the wate utility. I. If a hor ontal distance of 10 feet can ot be mai ained between the water line I. d the sani ry sewer line, the sewer must e constructed of ter works grade ductile iron pi with me anical joints not within 10' of her side the wa r line. J. Utilit s. It shall be the responsibility o each co tractor to verify all existing utiliti s and c. ditions pertaining to his phase of e work. It s I :11 also be the contractor's responsi lay to c ntact the owners of the various utili i es before rk is started. The contractor shell n. ify in iting the owners or the engineer of a changes, rrors or omissions found on these plan or in the ield before work is started or resumed. K. N Water Line construction: Contractor t record dimension of each water stub and alves from nearest fire hydrant measured alon water main, The locations of hydrants and wate valves, along with any other construction change are to be incorporated on the original constructi drawings and "Record Drawing" prints shall e submitted to the water utility as soon after completion of construction as possible.