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REVISIONS <br /> SECTION <br /> SECTION 02230 - SITE CLEARING 105 Protection 3.02 Subgrade Preparation E.The moisture content of the backfill material shall be within 2 percent of the offibinnumn moisture content for the soils taking utilized <br /> J y y <br /> during the entire time when the compactor is working on the fill. If,in the opinion of the testing laboratory the fill is too dry for proper C7 (7 C9 C7 <br /> PART1 GENERAL A.Carefully maintain the Integrity of all benchmarks,monuments,and other reference points.if disturbed or destroyed,replace as A.Following the removal of topsoil or pavements all areas to receive fills,and building or pavement subgrades in cul areas,shall be compaction,the Contractor shall spray the fill with a sufficient quantity of clean water to bring the fill layer to the proper moisture content. <br /> directed. If found at variance with Drawings,notify Owner before proceeding to lay out the work. proof-rolled with a fully loaded tandem wheeled dump truck and observed by the testing laboratory representative. Soft or yielding soils ut ut N m <br /> 1.01 Scope of Work shall be scarified and recompacted,or undercut and filled with approved fill material,as directed by the testing laboratory representative. F.Puddling or water flooding for consolidation of backfill is not permitted. uo m o <br /> B. Protection of Existing Work Remaining: The Contractor shall complete all required subgrade reworking and/or replacement in accordance with these specifications at no additional F M N <br /> A.Under this Section of the Specifications the Contractor shall provide all labor,tools,materials,and equipment required to perform all cost to he Owner. G No backfill material shall be placed or compacted when the subgrade or backfill material is frozen or thawing or during unfavorable v - m m <br /> site Gearing work including clearing,grubbing,and shipping of topsoil in accordance with the Drawings and Specifications. 1.All existing structures,curbs,and pavements damaged in performance of this work shall be restored without extra cost to Owner. weather conditions.When work is interrupted by heavy rain or frost,operations shall not be resumed unless the moisture content and U <br /> B.Following proof-rolling and subgrade replacement the upper 12 inches of all subgades to receive fills,and building and pavement density of the backfill and subgrade are as previously specifetl. U O Of <br /> 1.02 General Requirements 2.Existing utilities shall not be interrupted,except as authorized in writing by Owner,and only after temporary services have been subgrades in cut areas,shall be compacted to a minimum density of ninety-five percent(95%)of maximum laboratory dry weight as Q F <br /> installed by Contractor and approved by Owner and applicable utility company. determined by ASTM Test Designation D-1557(Modified Proctor). H.The dock walls are NOT designed as cantilever retaining walls. The Contractor shall therefore be required to and shall be responsib <br /> A.The Contractor shall visit the site,prior to submitting his bid,inform himself of the conditions,and make his own estimates of the for bracing these walls to resist the lateral pressures that will develop during and after the backfilling operations. Bracing shall remain In Q d Z <br /> facilities and difficulties attending the execution of the work. 1.06 Definitions: 3.03 Construction of Fills place until the floor slab has been placed and cured for a minimum of three days. U O = O <br /> B.The Contractor shall be responsible for avoidance and cleanup of street spillage and tracking to he satisfaction of the local and state A. Excavation shall mean the removal of soils,rock,or other materials as required to construct improvements as shown or noted on the A.Cohesive fill materials shall be spread in uniform layers having a maximum thickness,measured loose,of 8 inches.Granular fill I.Backfill shall not be placed against foundations or walls prior to seven days after completion of the structure. As far as practicable, W on U <br /> authorities. drawings and/or specified herein. materials may be spread in uniform layers having a maximum thickness,measured loose,of 12 inches if approved by the testing laboratory. backfill shall be brought up evenly on each side of walls and piers and shall be sloped to drain away from walls. Q W W W > <br /> Each layer scall be thoroughly bladed and mixed during ha spreading to insure uniformity of material in each layer. d Z = O Q W <br /> C.The Contractor shall be responsible for dust control on and near the site and at all off-site waste areas if such dust is caused by the B.Grading shall mean the excavation and the use of or satisfactory disposal of all materials excavated within the limits of the work. 3.07 Spreading Of Topsoil J <br /> Contractor's operations or if resulting from the condition in which the Contractor leaves the site. B.After each layer has been placed and spread evenly,It shall be mechanically compacted to a minimum density of 95 percent of d U - J W <br /> C. Filling shall mean the prescribed placing and compaction of soil or aggregate materials beneath proposed improvements to raise the maximum laboratory dry weight as determined by ASTM Test Designation D1557(Modfied Proctor). A.In areas not to receive pavements or other surface treatments a 4 inch layer of topsoil shall be evenly spread to the finished grades I_" U F <br /> D.The Contractor shall be responsible for any and all dewatering as may as required to satisfactorily perform all work detalled on the grade to the required level. shown and shall be fine graded in preparation for seeding and mulching. U (n Con F <br /> C.Sufficient passes of the <br /> shall <br /> de in order to <br /> ties. A minimum <br /> LU <br /> drawings or specified herein. D.Backfilling shall mean the prescribed platin and compaction of soils oraggregate materials in areas of foundations,utility trenches,or the compactorhall be re required overallportionsrof each lift. ass"shall be defined as oain the ne passage of the contact oorti rn of the s hi 3.08 Clean U J W = U IX Z = <br /> 9 PtyQ laP P 9 P P U U ke <br /> E.The right to make any inspections deemed necessary at the source of supply,and during preparation of any material used in this work, their component parts as shown on the Drawings and specified herein. compactor over the entire surface of ha layer. Q > V d Ur W 2 i <br /> is reserved by the Owner. A.Upon completion of the work all surplus materials,debris,tools and equipment shall be removed from the site. U W U W = Z C7 U m X L <br /> E.Engineered fill shall mean selected fill or backfill materials systematically placed and uniformly compacted in accordance within these D.Field density tests shall be made by the testing laboratory representative to determine the actual density attained In each layer of fill. ca <br /> F.The Contractor shall obtain and a for all emits,tests,inspections,etc.required agencies that have jurisdiction over the mject. Specifications. Periodic and representative sampling,density testing,and other compliance checks will be provided the Owners testing No fill shall be laced over a layer which has not been tested and roved. Should these tests indicate that Me density of an layer of fill SECTION 02370 - SEDIMENTATION & EROSION CONTROL Z Con 0 Q 0 to Q. _ 9 <br /> PY P P q Y 9 1 P 1 P P P 9. M 9. P P Y 9 P Y PP ty Y Y U = Z Z O O <br /> All work shall be executed and inspected in accordance with all local and state codes,rules,ordinances,or regulations pertaining to the laboratory to verify compliance. or portion thereof is below the required density,the particular layer or portion thereof shall be reworked until the required density has been PART 1 GENERAL Z U U W Z - W 0 LL R d <br /> particular type of work involved. Should any changes in the Contract Drawings and Specifications be required to conform to such obtained. Field density test procedures shall conform to ASTM D1556(Sand-Cone Method),ASTM D2167(Rubber Balloon Method), a m <br /> ordinances,notify the Owner at the time of submitting bid. After entering into the Contract,the Contractor shall be held responsible for the F.Benching shall mean the excavation of material in the existing ground beneath proposed embankments,as shown on the Drawing or ASTM D2922(Nuclear Density Method),or ASTM D2937(Drive Cylinder Method). 1.01 Scope of Work JOf U af U = O w w y m <br /> completion of all work necessary for a complete and approved Installation without since expense to the Owner. described herein,in order to increase the bond between the existing ground and proposed embankment. 9 T � W (7 J w CO m a <br /> E.The moisture content of cohesive fill materials shall be no more than 2 percent less than or 2 percent greater than optimum moisture A.Under this Section of Specfications the Contractor shall provide all labor,tools,materials,and equipment required to perform all d DO 0 U) (9 J U a a Q a v <br /> 1.03 Regulatory Requirements G.Rock shall be defined as follows: content for the soil being utilized during the entire time when the compactor is working on the fill. sedimentation and erosion controls in accordance with the Drawings and Specifications. r r r r r r r <br /> A.All clearing,grubbing,and shipping shall comply with all local,state,and federal regulations regarding erosion and sedimentation 1.Rock excavation shall be defined as the removal of a formation that cannot be excavated without systematic drilling and blasting or F.The moisture content of the granular fill materials shall be within 2 percent of the optimum moisture content for the soil being utilized 1.02 General Requirements to O tD O O O <br /> N_ V O n n In O O <br /> control wetlands requirements and there ulations and requirements in the National Pollutant Discharge Elimination System NPDES using equipment lar er than specified below. Boulders larger Man 1 cubic ab shall be classified as rock. The Contractor must r r r <br /> q g q rg y ( ) gsg p g y during the entire time when the compactor is working on the fit. eP LL') <br /> Storm Water Permit. demonstrate that the material cannot be ripped with a crawler tractor rated capable of 60,000 pounds drawbar pull at 1 mile per hour, A.The Contractor shall,prior to submitting his bid,visit the site,inform himself of the conditions and make his own estimates of he O (O O O O O O r9 <br /> pulling a single-tooth ripper. The Contractor may be required to provide equipment specification data verifying the above required minimum G.The moisture content of all fill materials shall be adjusted to be within the limits herein stated as directed by the testing laboratory. facilities and difficulties attending the execution of the work. r <br /> PART 2 PRODUCTS capacity for the equipment used for demonstration purposes. The equipment is to be in good repair and in proper working condition. Drying,when required,shall be performed by continually working the sail with a disk or harow. If in the opinion of the testing laboratory <br /> representative,the fill is too dry for proper compaction,the Contractor shall spray the fill with a sufficient quantity of clean water to bring the B.All earthwork shall be coordinated with other trades and phased so as to accomplish earthwork in a manner that will prevent prolonger <br /> Not applicable. 2.Trench rock excavation shall be defined as the removal of a formation that cannot be excavated without systematic drilling and fill layer to the proper moisture content. periods of open,bare earth without a suitable vegetation cover. This must be accomplished in order to eliminate soil and sediment runoff. <br /> blasting or using equipment larger than specified below. Boulders larger than 1/2 half cubic yard shall be classified as rock. The <br /> PART EXECUTION Contractor must demonstrate that the material cannot be removed with a backhoe equipped with a minimum 1 cubic yard heavy duty H.No fill material shall be placed,spread,or compacted while the ground or fill is frozen or thawing or during unfavorable weather C.Temporary grass seed cover shall be provided on all topsoil stockpiles,and other areas of stockpiled excavated material to prevent sc <br /> trenching bucket placed on a machine capable of a curling force of 35,000 pounds,crowd force of 30,000 pounds and a lifting capacity of conditions. When work is interrupted by heavy rain or frost,operations shall not be resumed unless the moisture content and density of the erosion and rapid runoff during the construction period. Prolonged periods of open,bare earth without grass cover will not be permitted. <br /> 3.01 General 15.000 pounds at a trench depth of 10 feet The Contractor may be required to provide equipment specficetion data verifying the above fill are as previously specified. <br /> required minimum capacities for the equipment used for demonstration purposes. The equipment is to be in good repair and in proper D.The Contractor shall obtain and pay for all permits,tests,Inspections,etc.required by agencies that have jurisdiction over the project. <br /> A.The Owner shall ezeroise control over clearing and grubbing and shall designate all mass,shrubs,and plants to be removed,0 not working condition. I.The fill surface shall be made smooth and free from ruts or indentations at the end of any working day when significant precipitation is All work shall be executed and inspected in accordance with all local,state,and federal codes,miss,ordinances,or regulations pertaining U <br /> designated on the plan. forecast and/or on the completion of the compaction operations in that area in order to minimize infiltration and absorption of rainwater. to the particular type of work involved. Should any changes in he Contract Drawings and Specifications be required i conform to such Z <br /> H. Unsuitable soils)shall be defined as highly organic soils(peat/muck),organic and inorganic clays of high plasticity with a liquid limit ordinances,notify the Owner at the time of submitting bid. After entering into the Contract,the Contractor shall be held responsible for the J <br /> 3.02 Clearing and Grubbing greater than 50,and organic silts with a liquid limit greater than 50. 3.04 Excavation for Structures completion of all work necessary for a complete and approved installation without extra expense to the Owner. This Contractor shall J <br /> prepare any supplementary detailed diagrams or drawings which may be required by any local or state authority at no additional cast to the LL <br /> A.All surface objects,trees,roots,slumps,other protruding obstructions,grass,weeds,and other vegetation shall be cleared from the A.Excavations for structures shall conform to the dimensions and elevations indicated and shall extend a sufficient distance from walls, Owner. Y <br /> limits of work. 1 7 Measurements and Payment footings,etc.to allow for efficient and proper execution of the work and to comply with applicable safety regulations. U <br /> PART2 PRODUCTSU Q <br /> B.Such items shall be completely removed and their holes backfilled with suitable material in accordance with Section 02300. A.Notification of Owner: B.To prevent damage to the work and delay in construction,all excavations shall be maintained in good order.All necessary precautions U) m <br /> shall be taken to prevent movement of the sides of excavations-Excavations shall be properly sloped,benched,sheeted or braced as 2.01 Materials U q� <br /> C.All such materials shall be removed from he site and disposed of in a legal,suitable manner. 1.Material to be excavated is assumed to be earth and other materials,unless otherwise noted,that can be removed by a power shovel, conditions may require.Where sheeting or bracing may be required the Contractor shall provide detailed drawings along with calculations <br /> bulldozer,scraper,or other excavating equipment,but not requiring the use of explosives,drills,or mucking equipment. prepared and sealed by a Professional Structural Engineer registered in the state where the project resides.All such costs shall be included A.Straw Bales shall be(minimum weight) = U <br /> 3.03 Stripping of Topsoil in base lump sum bid. (minimum size)wood stakes W Z <br /> 2.If pack,as herein defined,is encountered within the limits of excavation,the contract price will be adjusted in compliance with the W (7 = <br /> A.All topsoil and organic surface soils shall be stripped within the limits of the earthwork. changes In the work provisions of the General Conditions. C.Provide all necessary lights,barricades and safety devises. B.Silt Fence shall be U <br /> 05 g <br /> B.Topsoil required in the final work shall be stockpiled on the site as directed by the Owner. 3.When rock is encountered,Contractor shall notify Owner immediately,and shall not proceed further until instructions are given and D.Notify testing laboratory when excavations have reached prescribed depths. No construction shall be performed until excavations have C.Filter Fabric shall be U = W U <br /> measurements made for purpose of establishing volume of rock and value of excavating same. been inspected and specfically approved by the testing laboratory and any government agencies having authority over this project. _J - U IY W <br /> W <br /> C.Stockpiles shall be constructedZ F Ur F in such a manner that they will be well drained and will not impound water of impede the natural D.Aggregate shall be Q I-- <br /> drainage. 4. If unsuitables,as herein defined,are encountered within the limits of the excavation,Contractor shall be responsible for the removal E.Excavations for footings shall be carded to the exact grades required. Footing excavation carried below required depth shall be refilled y ix Q Z - U W i <br /> and disposal of the initial(add amount)cubic yards of same,and then contract price will be adjusted for the remaining amount of with concrete of the type called for footings.Other over-excavated areas shall be brought to required elevation and shaped with approved E.Seed and Fertilizer shall be Wa Z m z <br /> D.All other topsoil and organic surface soils shall be removed from the site. unsuitables in compliance with changes in the work provision of the General Conditions. compacted granular backfill material. <br /> PART 3 EXECUTION J a Q a ;f <br /> a <br /> w <br /> 3.04 Clean-Up5.When unsuitables are encountered Contractor shall roti Owner immediately,and shall not proceed further until instructions ere give U U <br /> ty Y. P 9 u Excavations for footings shall be made with a straight edged bucket(no lash)to minimize softening or loosening the foundation (� Q w <br /> zo&gym <br /> and measurements made for purpose of volume of unsuitables and value of excavatio same. subgrade. 3.01 Existing Structures and Facilities W <br /> P P 9 9 bg 9 Z � pjf o¢iNo <br /> 0 <br /> A.All paved areas bin d bconstruction e merit n lin n hall b kept clean,free from mud ri debris, - (n z o <br /> pa e e s e guse yequipment and goperato ss a ep tea , o u and eb <br /> B. Measurements: G.Where material at the bottom of the excavation is soft due to excessive moisture content,it shall be removed to such depth as the A.Existing structures and facilities shall be protected from sedimentation and erosion. - Z F LI.I U Z W calf w d S a <br /> B.Upon completion of the Work,all surplus materials,debris,tools,and equipment shall be removed from the site. testing laboratory or Owner shall require and backfilled with approved compacted granular material,at no additional cost to Owner. Q W � W x U >F z R�w d <br /> SECTION 02300 - EARTHWORK 1.Rock encountered during grading shall be shipped or accurately located for measurement before removal,and no rock removed or B.Items to be protected from sedimentation deposits shall include,but are not limited to,all downstream property,natural waterways, m (� U LL W U > o m w z 4 <br /> loosened before initial measurement will ballowed or paid for as rock. Measurement and payment,therefore shall be by number of cubic H.Where material at the bttom of the excavation is unsuitable,as defined herein,it shall be removed as directed by the testing steams,catch basins,drainage ditches,roads,gutters,and natural buffer zones. a��Q <br /> PART 1 GENERAL yards required to brio excavation to required rade. The quantity for rock within the construction limits shall be measured to a depth of 1 laboratory,measurement of unsuitable excavation taken,and backfilled with approved compacted ranular material. r r r r r r r a $o a <br /> Y9 q 9 q ty P ry. PP P 9 M f0 O O <br /> tot below subgrade. Owner may adjust rates should excessive rock be encountered. C.Control measures such as erection of silt fences barriers check dams or other structures shall begin prior to an land disturbing 9 Y 1 9 9 p Y 9 l0 (O L!) Ln (9 N <br /> 1.01 Scope Of Work I.With the exception of the Underground Storage Tank excavation,contractor shall at all times take such precautions as are necessary to activity. Additional measures shall be constructed as required during O O U <br /> 2.The quantity of rock excavation in trenches to be paid for will be the number of cubic yards of rock measured In a rectangular prism keep the work free from groundwater,rain water or surface water. The Contractor shall be responsible for any and all dewatering as may O O O CO O O O <br /> A.Under this section of the Specifications the Contractor shall provide all labor,materials,tools and equipment necessary to complete the along the vertical centerline of the trench. The maximum width of he prism shall be equal to the nominal diameter of the pipe plus 3 feet. be required to satisfactorily construct all work detailed on the Drawings or specifed herein: 3.02 Stabilization Z <br /> following items of work: The height of the prism shall be the average height in feet of the rock profile as measured to the nearest 0.1 foot from a point 6 inches <br /> 1.Subgrade preparation including proofrolling,subgrade replacement where required,and subgrade compaction. below the pipe barrel to the original top of rock. The length of the prism shall be the number of linear feet of trench rock measured for 1.Provide pumps)of adequate rapacity to remove water from excavations which may enter. A.Protected areas shall be stabilized permanently prior to removal of temporary protective devices. 'R <br /> 2.General excavation and site grading. payment along the vertical centerline of the trench. 2.Remove water in such a manner that it will not interfere with progress of the work. V <br /> 3.Construction of fills. B.After final establishment of permanent stabilization,temporary sedimentation and erosion control measures shall be removed and Z <br /> 4.Excavation for foundations and stmclures. 3.The quantity of unsuitabies excavation will be number of bank cubic yards removed by measurement of the excavation. Owner may J.Bottom of excavations shall be protected from frost. accumulated sediments,if any,shall be removed as required herein before <br /> 5.Trenching. adjust grades or revise layout should excessive unsuitable material be encountered. ® Ir <br /> 6.BackFlling. 3.05 Excavation for Utility Trenches C.Topsoil,which has been stripped in clearing the she,shall be stockpiled in a manner to provide temporary diversions of water holding <br /> 7.Finish grading. PART 2 PRODUCTS devices to allow sediments to settle out. The stockpiled topsail and adjoining areas shall be seeded with fast growing temporary vegetatio LV <br /> 8.Provide and spread topsoil. A.All requirements of Article 3.04 Excavation shall apply to utility trench excavations. to prevent soil erosion and rapid runoff. Generally,topsoil shall be stacked at locations approved by the Owner and as shown on the W <br /> 2.01 Fill Material Drawings. <br /> 1.02 General Requirements B.Utility trench excavations and openings it accessory structures shell be excavated in open cut,from the surface,to required depth, Z <br /> A.General site fills shall be constructed from approved cohesive or granular materials found on or off the site. and accurately to required grade. Trenches shall be excavated no wider than necessary to work efficiently and to comply with safety 3.03 Maintenance - <br /> A.All general site grading shall be completed before work is started on the building foundations. regulations.Generally,the width of the trench shall not exceed the sum of the outside pipe bell diameter plus 24 inches.For pipe sizes <br /> B.All such fill material shall be a clean fill material free of debris and organic matter and shall have a plasticity index of less than 20. greater than 24 inches he trench width shall not exceed the sum of the outside pipe bell diameter plus 30 inches. A.All erosion and sedimentation control measures shall be inspected periodically,especially after periods of rainfall to insure the devices :5 IIIIIIIIIIIIIIII (9 <br /> B.The Contractor shall visit the site,prior to submitting his bid,Inform himself of the conditions and make his own estimates of the Material shall to free of rock fragments or stones larger than 4 inches in the largest dimension. are stili in place and operating effectively. F W M Z <br /> facilities and difficulties attending the execution of the work. C.Utilities shall not be installed when condition of trench or weather is unsuitable for such work. Z W 11J <br /> 2.02 Backfill Material B.If,in fact,devices are disturbed or inoperable the devices shall be either cleaned,reset or replaced to the satisfaction of the Owner,at W F (A <br /> C.The Contractor shall be responsible for avoidance and cleanup of street spillage and tracking to the satisfaction of the local and state D.Pile excavated material(if,in the opinion of the testing laboratory,it is suitable for backfill)in an orderly manner and at a sufficient no additional cost to Owner. W } , <br /> authorities. A.Backfill material shall be bank run gravel or sand,or processed stone which meets the gadation criteria of the Unified Soil distance back from edge of excavation to avoid slides or cave-ins,and protect against erosion.. Y W W U) ,4 ' <br /> Classification System for well graded gravels(GW)or sand(SW or SP). Maximum particle size shall pass a 2 inch sieve. C.All facilities installed shall be maintained continuously during construction and until disturbed areas are stabilized. U U U U) U , <br /> D.The Contractor shall be responsible for dust control on and near the site and at all off-site borrow areas if such dust is caused by the E.Excavation of trenches shall extend to a minimum depth of 6 inches below outside bottom of utility pipe elevation so that each section 0> Z W Z <br /> Contractors operations or if resulting from the condition in which the Contractor leaves the site. B.Backfill material shall contain less than 15%fines passing the No.200 sieve,and shall have a maximum plasticity Index of 6. of pipe will rest on granular bedding for its full length.Where rock is encountered in excavations,it shall be removed to a depth of 6 inches D.Accumulated sediments shall be removed when control device has silted to one-haff the original capacity unless noted differently on Z > U O In J <br /> below outside bottom of utility pipe and to a clear distance of 6 inches each side of the pipe. the Drawings. W LL <br /> IIIIIIIIIII <br /> E.The Contractor.shall use all means necessary to thoroughly moisten all surfaces as required to prevent dust being a nuisance to the C.Granular material found on the site may b used for backfill material provided it conforms to these requirements and is approved by the 2 2Z <br /> Owner,neighbors,public,and concurrent performance of other work on the site. testing laboratory. F.When a utility trench is over-excavated,trench shall be brought to required elevation and shaped with approved granular backfill or SECTION 02530 - SANITARY SEWERAGE W K W U) 1.17 <br /> btlding material as specified herein. PART 1 GENERAL > 0W U = <br /> F.With the exception of the Underground Storage Tank excavation,the Contractor shall be responsible for any and all dewatering as may D.Be.Article 3.06,Paragraph C for a spectfic exception to these requirements QILLQ U ❑ <br /> be required to satisfactorily construct all work detailed on the Drawings or specified herein. G.Where utilityis laid in fill areas,place fill before an a is laced. Fill to a depth of not less than 2 feet above to of pipe and compact 1.01 Scope of Work 0- W W J Z W 3 <br /> YPP P P P PP P F F d. F (D F F € <br /> 2.03 Topsoil P as required. Trench shall then be excavated to required rade as specified.9 9 9 Pe W 's <br /> G.The Owner shall have the right to inspect the source of supply and preparation of any material used in this work. A.Under this Section of the Specifications the Contractor shall furnish all equipment,materials,labor and services required to complete J W W Z Z Z x Q €� <br /> A.Topsoil shall be the original top layer of a soil profile formed under natural conditions,technically defined as the"A"horizon by the Solt H.Contractor shall excavate only that amount of trench that he can install utility and backfill in one day. Under no circumstances shall and shall complete all site sanitary sewer work,shown on the drawings including but not limited to he following general items of work in Co X X T Q - W 2 €,y <br /> H.The Contractor shall obtain and pay for all permits,tests,inspections,etc.required by agencies that have jurisdiction over the project. Conservation Society of America. It shall consist of a natural Mable loam,sandy loam,silt loam or sandy clay loam. It shall be reasonably more than 400 linear feet of trench be opened at one time. accordance with the Drawings and Specifications: - U U F J F U J_ o £g <br /> All work shall be executed and inspected in accordance with all local and state codes,rules,ordinances,or regulations pertaining to the free of refuse,noxious weeds,subsoil,stiff clay,hard lumps,stumps,roots,brush,stones or other titter or similar objects larger than 1-1/2 W Z Z Con Q Z W F U O <br /> particular type of work involved. Should any changes in the Contract Drawings and Specifications be required to conform to such inches in its largest dimension. It shall have demonstrated by evidence of healthy vegetation growing or having grown on ft,prior to 3.06 Backfilling 1.Sanitary sewer. J U U Q W Q X � Q J K rvi a <br /> ordinances,notify the Owner at the time of submitting bid. After entering into the Contact,the Contractor shall be held responsible for the stripping,that it is reasonably well-drained and does not contain substances toxic to plant life. 2.Manholes. LL U U U V) W LL Q LL L) z m ad <br /> completion of all work necessary for a complete and approved installation without extra expense to the Owner. This Contractor shall A.Before backfilling,remove ail debris subject to termite attach,rot,or corrosion,and all other deleterious materials from areas to be r r I I I I I I J < ur U ao <br /> prepare any supplementary detailed diagrams or drawings which may be required by any local or stale authority at no additional cost to the S.Loam soils found on site may be used for topsoil provided they conform to these requirements and are approved by he testing backfilled. 1.02 General Requirements O O O O O O O O W z¢ <br /> 3 Owner. laboratory. � C3 0 0 0 CD Lf) (O U- } M U ek <br /> B.Excavations for continuous wall footings and building column foundations shall be backfilled up to the bottom of the granular base A.The Contactor shall visit the site,prior to submitting his bid,inform himself of the conditions and make his own estimates of the N M T O N J (� of 98 <br /> y 1.03 Regulatory Requirements PART 3 EXECUTION course inside the building and up to pavement subgrade outside the building with granular material as specified in Article 2.02. facilities and difficuies attending$e execution of the work. N M M M n O O � W Q N r m� <br /> 0 0 0 0 0 0 - <br /> a A.All earthwork shall comply with local,state,and federal regulations regarding erosion and sedimentation control,wetlands 3.01 General C.Utility trenches within the building and beneath pavements shall be backfilled up to he bottom of the granular base course inside the B.The Contractor shall be responsible for avoidance and cleanup of street spillage and tracking to the satisfaction of the local and state W to I. <br /> requirements,and the regulations and requirements in the National Pollutant Discharge Elimination System IN FOES)Storm Water Permit. building or to pavement subgrade outside the buildings with granular material as specified in Article 2.02.Utility trenches outside of paved authorities. 0 s€ <br /> m A.The site shall be graded to the elevations shown on the Drawings. The rough grades shall be held down as required to receive the areas shall be backfilled with granular material as specified in Article 2.02 to a height of 1 foot above the top of the pipe or conduit.The 5. <br /> H B.All grading shall be adequately sloped or stabilized to protect the property of the Owner and the safety of the workers. All such surfacing called for on the Drawings. remaining depth may then be backfilled with excavated material approved by the testing laboratory. C.The right to make any inspections deemed necessary at the source of supply,and during preparation of any material used in this wort Lob? <br /> ' <br /> protection shall be in accordance with Occupational Safety and Health Act(OSHA)requirements and all other applicable codes and is reserved. rid <br /> � ordinances. B.Rough grades in all areas not to receive paving shall be held down four inches(4")to allow for topsoil. 1.Backfill around utility pipes shall be placed in layers not exceeding 6 inches in depth,with the first lift net extending higher than mid Z U. <br /> height of the pipe.Each layer shall be carefully and thoroughly tamped to 95%of maximum laboratory dry weight as determined by ASTM D.The Contractor shall obtain and pay for all permits,tests,inspections,etc.required by local boards that have jurisdiction over the X O w0 <br /> 3 1.04 Reference Standards C.Maintain surface drainage for the subgrade throughout improvement area. No ponder water shall be allowed to collect on the Test Designation D1557(Modified Proctor). project. All work shall be executed and Inspected in accordance with all local and state codes,rules,ordinances,or regulations pertaining J �€� <br /> Qsubgatle to where it is rendered unsuitable for further work. if at the time of performing further work the subgrade is judged by the testing to the particular type ofwadkinvolved. Should any changes in the Contract Drawings and Specifications he required to conform to such w O 0.0 8 <br /> 0 A.Some products and execution are specified in this Section by reference to published specifications or standards of the following laboratory or Owner to be unsuitable due to poor drainage,then Contractor shall remove such unsuitable material and replace it with 2.Backfill shall be placed simultaneously on both sides of utility pipes to prevent displacement. ordinances,notify the Owner at the time of submitting bid. After entering into the Contract,the Contractor shall be held responsible for me W C <0 <br /> organizations or agencies(with respective abbreviations used): acceptable material placed in accordance with these specifications at no additional cost to the Owner. completion of all work necessary for a complete and approved installation without extra expense to the Owner. This Contractor shall = £car <br /> m 3.Utility pipes shall not be brought up to grade by ramming material along their sides. prepare any supplementary detailed diagrams or drawings which may be required by any local or stated authority at no additional cost to Z Q LN- <br /> . <br /> H S <br /> 1.The American Society for Testing and Materials(ASTM) D.Slopes shall not exceed a pitch of 1 foot vertical to 3 feet horizontal unless noted otherwise on the Drawings. the Owner. z Q UI �.L <br /> X 2.Occupational Safety and Health Act(OSHA) D.All backfill material shall be placed in uniform layers having a maximum thickness,measured loose,of six inches(6")and mechanically U _ <br /> � compacted to a minimum density of 95%of maximum laboratory dry weight as determined by ASTM Test Designation D1557(Modified 1.03 Submittals Z F YM <br /> m B.Compaction standards for required densities of fill compaction are expressed hereinafter in terms of percentages. Such terns shall Proctor). Each layer shall be compacted to this density before the next layer is placed. /� Q Z U yl�€ <br /> U- mean percentages of maximum density at optimum moisture content,as determined and controlled in accordance with the following A.Record Drawings: The Contractor shall submit,prior to final payment,accurate record drawings for all sanitary and associated work. V) W W Ill a <br /> XU 0-.-,f <br /> W <br /> 0 1.ASTM D1557"Moisture-Density Relationship of soils-Modified Proctor-Method" <br /> 1.04 Quality Assurance Q W Z '^ <br /> 2.ASTM Of 556"Density of Soil in Place by the Send Cone Method" W Q D vJ 6fi�s <br /> N <br /> 3.ASTM D2167"Density and Unit Weight of Soil In-Place by the Rubber Balloon Method" A.Reference Standards: W < O <br /> E 4.ASTM D2922"Density of Soil and Soil-Aggregate In Place by Nuclear Methods(Shallow Depth)" O Z U SCALE: <br /> 0 5.ASTM D2937"Density of Soil In Place by the Drive-Cylinder Method" 1.Some products and execution are specified in this Section by reference to published specifications or standards of the following(with W <br /> U reUJ <br /> spective abbreviation used): (r7 Z N.T.S. <br /> W a.The American Society for Testing and Materials(ASTM) Z Y O W Q rD"RAWING'NO. <br /> RAWN 'Np < R IR QU) DO GLZ <br /> U QOZ >" WaW ?: UJ Z4 QZ DATE: <br /> E U F FZ0vis/zols <br /> UW W Q Z m OJECT NO. <br /> W W LU U) N 0 Z) cA-lose <br /> W rr <br /> ^ 0 0 0 0 0 0 <br /> I.. - M O f, M O N <br /> N M M C4 O CN CsJ�A <br /> N N N N N N 1 <br /> 000000 <br />