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<br /> NEMEMMUM
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<br /> SECTION 02230 - SITE CLEARING I
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<br /> 1 05 Plotection 3.02 SUbgrade Preparation � I REVISIONS
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<br /> during the entire tinne when the compactor is working on tile fill If, in the opinion of tile testing laboratory the fill is too dry lot-proper -1110 :i _0-� 0
<br /> A. Carefully rnaintain the integrity of all benchmarks, monuments, and other reference points. If disturbed or destroyed, replace as A. Following tile removal of topsoil or pavements all areas to receive fills. arid building or pavernent subgrades Ili cut areas, shall be connipaction, the Contractor shall spray!Lie fill with a sufficient quantity of clean water to biing the fill layer to the proper moisture content. 11-I-__I I ___ __- �
<br /> PART I GENERAL, E. The moisture content of file. backfir material shall be within 2 peicent of the optiniritin maistrite content'or tile soils being utilized i
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<br /> 1 0 1 Scope of War k directed. If found at variance with Drawings, notify Owner before proceeding to lay out the work pioof-rolled with a fully loaded Landoll wheeled durnp truck and observed by the testing laboratory representative. Soft or yielding soils � I
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<br /> B Protection of Existing Work Rernaining� shall be scarified arid recorlipacted, OF Lindemut arid filled with approved fill Material as directed by the testing laboratory iepresentative. F Puddling or water flooding [or consolidation of backlIt is not peri-nitted � � I
<br /> A. Unde,i ihis Section of the Specifications the Contractor shall provide all labor, tools. materials, and equipment required to perforrin all The Contractor shall complete all equired subgrade reworking and/or replacement in accordance with these specifications at no additional i �_ I-0 , 6_5 'I C-�)
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<br /> cost to the Owner — 7 ! I— 1 co
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<br /> G No backfill material shall [)a placed or compacted when the subgrade oi-backfill material is'rozen or thawing or during unfavorable � 1 0 1 ��
<br /> site clearing work including clearing grubbing, arid stripping of topsoil In accordance with the Drawings and Specifications. l, All existing structures, curbs, arid pavements darnaged in performance of this work shall be restored Without extra cost to Owner. � -
<br /> weather conditions. When wo0k is infentruipted by heavy rain or treat, operations shall not be resunled Liniess the moishife content and I () ___._t_____I-—----1-_11 I__
<br /> B. Following proof-rolling and subgrade ieplacenient the upper 12 inches of all subgrades to receive fills. arid building arid pavernent density of the backfill at,d subgrade are as previously specified I Z (:r
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<br /> 1 02 General Requirements 2. Existing utilities shall not be interrupted, except as author ized in writing by Owner, arid only after temporary services have been subgiades Ili cut areas, shall be corripacted to a minimum density of ninety-five perc,ent(95%)of rilaxitinun) laboratory dry weight as i U)
<br /> A The Contractor shall visit the site, pilot-to submitting his bid. inform himself of the conditions: and inake his own estimates ofthe installed by Contractor and approved by Owner and applicable utility company determined by ASTM Test Designation D 1 557 (Modified Proctor), 11, I lie dock walls are NOT designed as cantilever ret,aining walls. The Contractor shall I C-) 10 i
<br /> facilities and clifficulties attending the execution of tile work therefot,e, be requirv,�d to arid shall be responsib 0 I
<br /> 1.06 Definitions: for bracing these walls to resist the lateral pressures that will develop during arid after the backfilling operations. Bracing shall rc Q� F- �
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<br /> 103 Construction of Fills ,main In Z I
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<br /> place until the floor slab has been placed arid cured to;-a minirnuill of three days ;
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<br /> -eet spillage arid tracking to the satisfaction of the local and state A. Excavation shall rinean the removal of soils, rock, or other materials as required to construct I U) 0 E 0 !
<br /> B I-lie Contractor shall be responsible for avoidance and cleanup of str � <
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<br /> author fies. rnproverriente as shown or noted oil the A. Cohesive fill materials shall be spread in uniform layers having a maxinnurin thickness measured loose, of 8 Inches. Granularfill I I
<br /> drawings and/or specified herein I Back'ill shall riot be placed against foundations or walls prior to seven days after completion of the str ucture. As tat-as pi acticable, I W M 0 U) ;
<br /> niaterials nnay be spread In unifoirn layers having a maxinluni thickness measuied Loose, of 12 inches if approved by tile testing laboratory. backfill shall be brought up overly on each side of walls arid piers and shall be sloped to diain away fiorn walls, I �_ _J U) U) > I
<br /> C The Contractor shall be responsible for(Just control on arid near the site arid at all off-site waste areas if such dust is caused by tile B. Grading shall rnean the excavation and the use of or satisfactory disposal of all materials excavated within the linlits of tile work. Each layer shall be thoroughly bladed arid nnixed during the spreading to insure unifainnity of material in eac.lb layer. I < W [1i Ld Ljj
<br /> C,ontractol's operations or if resulting from [lie condition Ili which the Contractor leaves the site 3 07 Spreading Of Topsoil � _J 7 - Z I
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<br /> C Filling shall rnean the proscribed placing arid compaction of soil or aggregate materials beneath proposed Improvements to raise B After each layer has been placed and spread evenly it shall be mechanically conipected to a nilmmurn density of 95 peicent of I 0- < (E 0 C I � I
<br /> the rinaxiniunl laboratory dry weight as determined by ASTM Test Designation D1557(Modified Proctor). -) _J UJ :
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<br /> D. The Contraclor shall be nesponsible for any and all dowalering as nnay be required to satisfactorily perform all work detailed Oil the grade to the required level A In areas not to receive pavernents Or other surface trealnients a d inch layer of topsoil shall be ever ; — �
<br /> diawings or specified herein ily spread',a the finished grades I ()6 Il- �-- (J) < �- i j
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<br /> shown and shall be fine graded in pieparalion for seeding and niulching I (f) (1) [_ ___ W T [-.- I 1
<br /> C. Sufficient passes of the ariptoved compactor shall he made ill order to obtain the speci'ied densities. A mininnUll of thnee passes of � �� I 1
<br /> D Backfiring shall mean the prescribed placing and compaction of soils or aggregate materials Ili areas of foundations utility trenches, or the compactor shall be required over all portions of each lift. A"pass'shall be defined as one passage of the contact portion ofthe 1 W W ::) "- W ll __ 1
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<br /> is reserved by the Owner I .-J 0K, 7- I I
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<br /> E, The right to make any inspections deerned necessary at tire source of supply, and during preparation of any material used Ili thiswork. their component parts as shown on the Drawings and specified herein compactor over the entire surface of the layer U 0 0 i �
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<br /> A Upon completion of tile work all surplus inaterials, debris, tools arid equipment shall be nenloved train the site I < > Q_� (3 5: () ICY_ 1� i
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<br /> E. Engineered fill shall mean selected fill or backfill materials systematically placed arid uniformly compacted in accordance within these D. Field density tests shall be made by the testitig laboratory representative to determine the actual density attained in each layeroffill (-) Ili ( 0 ,(y, �u
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<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. Z W. E3 (D (-) �n I CA, __
<br /> F, -File Contractor shall obtain arid pay for all per nnits. tests, Inspections, etc, requ red by agencies that have ju risdiction over the project Specifications. Periodic arid representative seimpling. density testing, and other compliance diecks will be provided by the Owner's testing No fill shall be placed over a layer which has not been tested arid approved Should these tests indicate that the density of ally layer of fill SECTION 02370 - SEDIMENTATION & EROSION CONTROL 0 - _ _�
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<br /> particular type of work involved Should any changes in the Contract Drawings and Specifications be required to contort ition thereof is below the required density, the paii layer at-portion thereof shall be reworked until the neqUired density ties been PART 1 GENERAL- () E LIJ Z Z C) a- a,� i,
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<br /> obtained. Field density test pi ocedu i as shall confort n to ASTM D 1 556(Sand.-Cone Method), AS I'M D2167 (Rubber Balloon Method) __ - U.] J_ - I_u
<br /> ordinances: notify the Owner at the time of subrnitting bid After entering into the Contract, the Contractor shall be held responsible fertile F. Benching shall nlean the excavatioii of material in the existing ground beneath proposed embankments, as shown on the Drawing or 7- U) LU LLI ��1.
<br /> corn ASTM D2922 (Nuclear Density Method), at-ASTM D2937(Drive Cylinder Method) 1,0 I Scope of Work _e
<br /> , . pletion of all work necessary for a con,ifolefe arid approved installation without extra expense to tile Owner described herein, in order to increase the bond between the existing ground arid proposed embankment. 1 1--
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<br /> content for the soil being utilized cur ing tile entire tirne when tile compactor is working on the fill ; Q_ 00 0 U) (D --] 0 --I <c � ) ,,,, I
<br /> 1�03 Regulatory Requirements G Rock shall be defined as follows. E. -The nioistuie content of cohesive fill materials sli be no more than 2 percent less than or 2 percent greater than optirnuni nioisture A Under this Section of Specifications the Contractor shall provide all labor. Tools materials, arid equipment required to perform @11 i �-
<br /> sedimentation and erosion controls Ili accordance with the Drawings arid Specifications, I - I ,�], "' ,
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<br /> A, All clearing grubbing. and stripping shall comply with all local, state, and federal regulations regarding erosion and sedimentation 1, Rock excavation shall he defined as the rei-noval or a formation that cannot be excavated without systematic drilling arid blasting or F, I fie moisture content of the granular fill materials shall be within 2 percent Of tile OPtinlUin moisture content for the soil being utilized 1 02 General Requirernents U) 0 L0 0 T- C-D "r- 0 1
<br /> control,wetlands requiternents arid the regulations and requirenients Ili the National Poilutant Discharge Elimination Systern(NPDES) Using equipment larger than specified below. Boulders larger than 1 culbic yard shall be classified as rock. The Contractor must during the enth a time whorl the conipactor is working on the fill �
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<br /> denionstrate that the material cannot be. ripped with a crawler tractor rated capable of 60,000 pounds diawbar pull at 1 mile per hour.
<br /> ID A. The Contractor shall prior to submilting his bid. visit tile site: inform himself of the conditions arid nialke his own esfircates Of the
<br /> ART2 PRODUC pulling a single-tooth ripper. The Contractor may be required to provide equiprnent specification data verifying the above required mininnurn G. The moisture contet-it of all fill malerials shall be adjusted to be within the limits herein stated as directed by the testing laboratory facilities arid difficulties attending tile execution of the work. � 1�_ = 7- 1�__ T- T_ T__ T_
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<br /> capacity for the equipment used for dernonstration purposes The equipment is to be in good repair arid in proper wodking condition Drying,when required, shall be pefforrined by continually working the soil with a disk or narrow If Ili tile Opinion of tile testing laboratory !
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<br /> Not applicable. representative, the fill is too dry for proper compaction. the Contiactor shall spray the fill with a sufficient quantity of clean water to bring the B All oarthwork shall be coordinated with other trades and phased so as to accomplish eaithwoik Ili ,a nnanne,r that will prevent piol ngec ---------
<br /> 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 nioisture content, o
<br /> PART 3 EXECUTION blasting or Using equipment larger than specified below. Boulders larger than 112 half cubic yard shall be classified as rock. The periods of open, bare earth withoLit a suitable vegetation cover This niust be accorliplished Ili order to eliminate soil arid socirnent runo4'f �________________________-----------------.--------
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<br /> Contractor must dernonstrate that the material cannot be removed with a backhoe equipped with a nimirrium 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. arid other areas of stockpiled excavated niaterial to prevent a( 1
<br /> 3.01 General trenching bucket placed on a machine capable of a curling force Of 35,000 Pounds crowd force of 30,000 pounds arid a lifting capacity of conditions When work is interrupted by heavy rain or frost, operations shall not be rcsi,ri-ned unless the nnoisture content and density ofthre. erosion and rapid runoff dunng tile construction penod Piolonged periods of open bare earth without giass cover will not be permitied.
<br /> 15 000 pounds at a trench depth of 10 feet. The Contractor may be required to provide equipment spec,ification data verifying the above ,ill are as previously specified. �
<br /> required nnininiurn capacities for the equipment used for demonstration purposes. -The equipment is to be in good repair arid in proper :
<br /> & T'he Owner shall exercise conti ol over clear ing and grubbing arid shall designate all trees. shri.tlbs. arid plants to be removed if not working condition. D -The Contractor shall obtain arid pay'or all pernnits, tests Inspections, etc iecriiied by agencies that have jurisdiction over tile project I
<br /> designated on the plati. I 1, -The'[11 surface shall be made sinooth arid free from ruts or indentations at the end of any working day when significant precipitation is All work shall be executed and inspected Ili accordance with all local, state, arid federal codes rules. ordinances at regulations pertaining 0
<br /> er to the paiticular type of work involved Should any changes Ili the Contract Drawings and Specifications be required to conforni to sucti i
<br /> 3,02 Clearing arid GruL)bing H. Unsuitable soil(s)shall be defined as highly olganic soils(peathn,i Lick). organic and inorganic clays of high plasticity with a liquid Limit -ation and absorption of rainwat i Z
<br /> onecast and/or on the completion of the conlpaction operations Ili that area ill order to ilinirinize infilti �
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<br /> ordinances, notify tile Owner at the tinie of submitting bid. Affer ente..nlig into the Contract, Ole Contractor shall be held responsible for the I __J
<br /> greater than 50, arid organic silts with a liquid limit greater than 50. 3.04 Excavation for Structures completion of all work necessary for a complete arid approved i stallation without extra expense to the Owner This(',',ontractor shall _J
<br /> A All surface objects. trees. roots, stuniPS. Other PlOtFUding obstructions, grass, weeds. arid other vegetation shall be cleared from the prepare any supplernentary detailed diagianis or drawings whicl"t �
<br /> i rinay be require(] by any local or state authonty at lie additional cost to th, � E
<br /> Iii-As of work. A Excavations'or sh uctures shall conform to the dimensions arid elevations indicated and shall extend a sufficient distance'mili wails Owner i
<br /> 1.7 Measurenlerils arid Payment I
<br /> footings. etc to allow for efficient arid pi oper execution of the work arid to comply with applicable safety regulations. I ��
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<br /> 8 SUCh tenis shall be conlipletely removed and their holes baciffilled with suitable material in accordance with Section 02300. A. Notification of Owner� PART2 PRODUCTS I
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<br /> B. Fo prevent damage to the work arid delay Ili construction, all excavations shall be maintained in good or der All necessary precautions 1 0 <
<br /> C, All such materials shall be removed from the site and disposed of in a legal, Suitable nianner, shall be taken to prevent rnovement of the sides of excavations. Excavations shall be property sloped. benched. sheeted or braced as 2.01 Malenals � C) co
<br /> 1. Material to be excavated is assurned to be earth arid other materials unless otherwise rioted, that can be rennoved by a power shovel, conditions nlay nequire. Where shooting or bracing may be required the Contraclor shall provide detailed drawings along with calculations � 0 06
<br /> bulldozer, scraper. or other excavating equIldillent, but flat requiring tile use ofexplosives, diills, or mucking equipment. I
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<br /> 103 Stripping of Topsoil prepared arid sealed by a Professional Structural Engineer registered Ili the state where the project resides All Such costs shall be included A Stlaw Bales shall be(rilinimum weight) ! T_
<br /> 2, If rock, as herein defined, is encountered within the limits of excavation, the contract price will be adjusted in compliance with the Ili base lump surn brd� (tilininiunn size)wood stakes � I— 0
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<br /> A, All topsoil and organic surface soils shall be stripped within the inlits of the earthwork : Z
<br /> changes in the work provisions of tile General Conditions. C. Provide all necessary lights, barricades arid safety devises B Silt Fence shall be 1 LLJ
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<br /> -purpose of establishing volurne of rock arid value of excavating sanie. been inspected and specifically approved by the testing laboratory arid any government af.encies having aullhority over this project. , , M UJ 5
<br /> E. Topsoil require,cl in the final work shall be stockpiled oil 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 arid 1) Notify testing laboratory when excavations have leached presciiihed depths. No construction shall be performed UrItIl excavations have C, Filter Fabric shall be 'I 11'-', , I Z (J)
<br /> measuienients made for A ,
<br /> C. Stockpiles shall be consta.icted in such a nianner that they will be well drained arid will not impound water of Impede the natural g , U) 0 _:
<br /> drainage. �
<br /> D. Aggiegate shall be 11 i _J C) Ctf H
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<br /> 4� If unsurtables. as herein defined, are encountered within the limits of the excavation, C,ontractor shall be responsible forthe removal E. Excavations for footings shall be carried to the exact grades required Feeling excavation carried below reqUired depth shall be refilled 'A k,i Q ��, "i �U� � < .- F-
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<br /> arid disposal of the initial(add arnount)cubic yards of sarne and then contract price will be adjusted 'or the remaining arnount 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 arid Feitilizer shall [,)a I E? cr� < Z_ - W W U
<br /> D,All other,topsoil arid organic suiface soils shall be rernoved from the site. unsuitables in compliance with changes in the work provision of the General Conditions. compacted granular backfill material k" � M I_Z I I .- -- a - 0 ,,,.- __J Z
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<br /> 3 04 Clean-Up F:P"h/11101\1 �
<br /> PART3 EXECU]ION I 1- x � I �,, K".: 4', " ,��, � �__ - 06 0 .�__ U) �,7.
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<br /> 5. When unsuitables are encountered, Contractor shall notify Owner Immediately, arid shall not proceed further until instructions are give F Excavations for footings shall be i-nade with a stlaight edged bucket(no teeth)to minimize softening or loosening tile foundation � j < _J I
<br /> arid measurements rnade for purpose of establishing VOILAnne of unsuitables and value of excavating same. SUbgrade, I Z';> < 0 D �—, P- () LU (�� -
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<br /> A All paved areas being used by construction equipment and hauling operations shall be kept clean, free fronn rilud arid debris 3.01 Existing Structures arid Facilities �_ <� - el r_:I -,� 'c'
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<br /> B Measurernents� a" Z (J) --, _-D 06 (I < I- I C',
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<br /> B Upon conipletion of the Work all suriplusniatenals, debris tools. and equipt,nent shall beremoved frorrithesite. G. Where material at the bottoril of the excavation is saft due to excessive r-noislune content, it shall be rornoved to such depth as the A. Existing structuies and facilities shall be protected from sedimonlation arid ,erosion 0 W i= W < 0 W Ili a-, ,
<br /> lesting laboratory or Owner shall require arid backfilled with approved coninpacted grainular material, at lie addifional cost to Owner, , I-- Z "T ,�
<br /> -a renloval, and no rock nennoved or i < W ::) __� < , 1�
<br /> 1 Rock encountered during grading shall Lie stripped or accurately located for rneasurennent befoi � �5 Z I.- () Z C,� 11 LU 0 " "I
<br /> SECTION 02300 - EARI-Fi\/VORK ,'_ " Cy
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<br /> loosened before initial measurenient will be allowed or paid for as roc* Measurement and paynnent, therefore shall be b B tenis to be protected'r am sediment9lion deposits sliall include, but are riot litylited to, all downsti eanl ru riper ty natural waterways L)f X 0 0 �0 �!� -,.i ,
<br /> PAR11 GENERAL. y nurnber of cubic H. Where material at tile bottom of the excavation is unsuitable as defined henein it shall be removed as directed by the testing stearns catcli basins. drainage ditches i oads, gutters, arid natural bUffer zones. �_�i C, �`, Z
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<br /> yards irequired to bring excavation to required grade The quantity for rock within the construction limits shall be rneaSiLlred to a depth of 1 laboratoiy. measurement of unsuitable excavation taken arid backfilled with approved conripacted granular material 3: �a- ") -, _I-
<br /> I 01 Scope Of Work foot below SUbgrade. Owner may adjust grades should excessive rock be encountered I I t � P I � I 0 ,r) �,) 0- �1,
<br /> C Control rneasures such as election of silt latices barriers check darns, oi-other Sir LICtWeS Shat begin prior to any !arid distui ping � 'ir-- (") -T (0 0 = 0 - �
<br /> I, With tile exception of the Undergiound Storage Tank excavation. contractor shall at all tirines take such plecautions as are necessary to activity Addition,al nleasuies shall be c.onstiucted as requited during : LO LQ LO LO (0 -- C\J
<br /> 2. -File quantity of rock excavation in trenches to be paid for will be the number of cubic yards of rock measured Ili a rectangular prism keep the work free frorn groundwater, rain water or surface water. The Contractor shall be responsible tat-any and all dewatering as may ; 0 0 0 Q 0 ,r-- ,r-
<br /> A, Under this section of the Specilications the Contractor shall provide all labor, niateiials, tools and equipment necessary to complete tile along tile vertical centerline of the trench, The maxinium width of tile pristin shall be equal to the nonlinal diarnetet of the pipe plus 3'act N 0
<br /> following terris of wet k I he height of the prisn-)shall be the average height in feet of the rock profile as nleasurod to the nearest 0.1 foot from a point 6 inches be required to satisractonly constnict all work detailed on the Diawings oi-specified hetein 3 02 Stabilization � Ir- T_ = T__ Irl-I 7- 1--
<br /> 1 Subgrade preparation including proofrolling, subgrade replacement where required, arid subgrade compaction i Z
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<br /> 2, General excavation arid site grading below the pipe barrel to the original top of rock. The length of the prism shall be the nurnber of inear feet of trench rock measured for 1. Provide purnp(s)of adequate capacity to ternove wafer from excavations which may enter. A. f1rofected areas shall be stabilized pernanently por to removal of ternporafy protective devices. :; - --__ ___--- - ____ _____ -- 0 —_
<br /> 3, Construction of fills, payrnent along tile vertical centedine of'lie Trench 2 Re.rnove water in such a manner that it will not Intel I'are with pi ogress of the work. B After final establishment a'permanent stabilization temporary sedintlentation arid eios(on control measures shall be rernoved arid � 0
<br /> 5 Trenching, , �
<br /> 4 Excavation for foundations and structures. 3 The quantity of LinSLArtables excavation will be number of bank cubic yards removed by measurement of the excavation. Owner iiiay J Bottom of excavations shall be protected frorn frost accumulated sediments. if any. shall be retrieved as required bercir) before
<br /> 6 Backfilling, adjust grades or revise layout should excessive unsuitable material be encountered, 1 17 Z
<br /> 7 Finish grading PART2 PRODUCTS 3 05 Excavation for Utility Trenclies C, Topsoil, udhich has been stfiriped Ili clearing the site. shall [)a stockpiled Ili a manner to piovide ternpoiary diveisions of water holding I C) FL
<br /> 8� Provide and spread topsoil. ' �
<br /> devices to allow sediments to settle out The stockpiled topsoil and adjoining anc�as shall be seeded with fast growing tenipoiary vegetaho I
<br /> 2.01 Fill Matenal A All requirements of Article 3.04 Excavation shiall apply to utility trench excavations. to prevel'it soil erosion arid rapid runoff Generally. topsoil shall be stacked at ocaflons,approved by the Owner ani as shown oil the I UJI
<br /> 1.02 General Requirements Drawings. �
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<br /> A. General site fills shall be constructed from approved cohesive or granular materials found on or off the site. B� Utility trench excavations arid openings for accessory structures shall be excavated in open cut, from the surface. to required depth ; 2 UJI
<br /> A, All general site grading shall be cornipleted before work is started on the building foundations, arid accurafely to reqUined grade. Trenches shall be excavated no wider than necessary to work effioiently arid to comply with safety 3.03 Maintenance I Z
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<br /> regulations. Generally. the width of the trench shall not exceed the sum of the outside pipe bell diameter plus 24 Inches For pipe sizes ; —
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<br /> B, All such fill material shall be a clean fill rinaterial free of debris arid organic matter and shall have a plasticity index of less than 20. greater than 24 incries the french width shall nor exceed the surn of the outside pipe bell diameter PlUs 30 inches. A, All erosion arid sedimentation control measures shall be inspected periodically, especially after periods of rainfall to Insure the devices I EM
<br /> 3, The Contractor shall visit tile site, prior to submitting his bid, infortin hirnself of the conditions and make[its own estirnates ofthe Material shall be free of rock fragrients of-stones larger than 4 Inches in the largest dimension co 49 0
<br /> facilities and diffiCUItIC'S attending the execution of the work aie still in place arid operating effectively � �- '5,
<br /> 2.02 Backfill Material C. LAilifies shall not be installed when condition of trench or weather is unsuitable for such war k i Z W Z
<br /> C. The C,ontractor shall be responsible for avoidance and cleanup of street spillage arid tracking to the satisfaction of the local arid state W LU �_ LL1
<br /> authonfies. ,set or replaced to the salislaction of the 0�vner. at � W
<br /> B If, ill fact, devices are disturbed or inoperable the devices shall Lie either cleaned, ic 0
<br /> D Pile excavated material(if, in the opinion of the testing laboratory, it is suitable for backfill)in all orderly manner arid at a sufficient no additional cost to Owner. ; , �__.
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<br /> A. Backfill material shall be batik run gravel or sand, or processed stone which trieets the gradation criteria of tile Unified Soil distance back frorn edge of excavation to avoid slides or cave-ins, and protect against erosion I , .;Z- L] >_
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<br /> (.',lassification System for well graded gravels(G\N)or sand (SW or SP). Maximurn particle size shall pass a 2 lich sieve. .. Cr U) U) 10,
<br /> D. File Contractor shall be responsible'at-dust c,onhol on and near the site arid at all off-site borrow areas if such dust is caused by the C, All facilities Installed shall be rinaintained continuously duiing construction arid unt!l distuibcd areas are stabilized � cl� (-) - .
<br /> Contractor's opetations or if resulting frorn tile condition Ili which the Contractor leaves the site. B. Backfill material shall contain less than 15%fines passing the No. 200 sieve. arid shall have a maximum plasticity index of 6� E, Excavation of trenches shall extend to a rninkinurn depth of 6 inches below outside bottoni of utility lDipe elevation so that each section 1 �- 0 C( C) jcj� 0 44 10�
<br /> of pipe will rest on granular bedding for its full length. Where rock is encountered in excavations. it shall be removed to a depth of6 inches D.AcCUrilulated sediments shall be removed wher) control device has silted to one-half lh(-.�anginal capacity uniess noled dilfeiently on � - Z UJ 7-
<br /> Owner, neighbors, public, and concurrent porter mance of other work oil the site. I Z: ,�� 0 0 __J
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<br /> E. The Contractor shall use all means necessary to thoroughly incision all surfaces as required to prevent dust being a nuisance to the C. Granular material found oil the site rnay be used for backfill material provided it conforms to these requitements arid is approved by tile below outside bottom of utility pipe and to a clear distance of 6 inches each side of the pipe. the Drawings : W - W
<br /> testing laboratory SEC VION 02530 - SANITARY SEWERAGE � :�i l-L- (L) T uJ
<br /> F. When a utility french is over-excavated trench sliall be brought to required elevation and shaped with approved granular backfill or I :�i [Y Z -
<br /> -id all dewatering as[,lay D See Article 3.06, Paragraph C for a specific exception to these requirements bedding rnaterial as specified heroin PART1 GENERAI_ > 0 W ... ---D LL
<br /> F, With tile.exception of the Underground Storage Tank excavation, tile Contractor shall be responsible for any ai W - — i ji W D
<br /> be requited to satisfactorily construct all work detailed on the Drawings or specified herein � < If CK U _ I
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<br /> 2.03-Topsoil G, Whene utility is laid Ili fill areas place 'it he'ore any pipe is placed Fill to a depth of not Less than 2 feet above top of pipe and compact 1 01 Scope of Work I � i ,
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<br /> G The Owner shall have the night to inspect tile source of supply and prepaiation of any tinalerial used in this work. as required. French shall then be excavated to required grade as specified i W LLI -J Z� W "
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<br /> A Under this Section of the Specifications the Contractor shelf furnish all eqUipMent. materials. labor arid services iecuired to complete j _J W W I < >_ � X>-
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<br /> -izon by the Soil 11. Contractor shall excavate only that arnount of trench that lie carl Install utility arid backfill in one day Under no circumst�.,inces shall and shall complete all site sanitary sewer work, shown oil the drawings including but not innited to Ina following general tems o1woik in I M T_ Of - IIZZ- I k I,
<br /> A. Topsoil shall be the original top layer of a soil profile formed under natural conditions technically defined as the''A" hot �-- (_9 F_ 1-7
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<br /> 11 The Contractor shall obtain arid pay for all permits, tests, inspections. etc reqUired by agencies that have jurisdiction over the project, Conservation Society of Arnerica. It shall consist of a natural friable loam. sandy learn, silt loam or sandy clay learn. It shall be reasonably mole than 400 inear fact of trench be opened at one firrie. i ()
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<br /> All work shall be executed arid inspected Ili accordance with all local atilt state codes, i ules. ordinances. or regulations pertaining to the free of refuse, noxious weeds, subsoil, stiff clay, hard lumps, sturrips, facts. brush, stones or either litter or similar objects ar(Jer than 1-1/2 ac,cordance with the Drawings and Specifications ! Z I— _J Z Lli �.
<br /> particular type of work involved. Should any c1hanges Ili the Contract Drawings arid Specifications be required to conform to such 1 ,7< C) 0 I F: 0 ..-I >_ I �: ,,!�
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<br /> inches in its largest dimension. It shall have deri-onstrated by evidence of healthy vegetation growing or having grow,11 on it,"Prior to 106 Backfilling Z Z W < -) It "�c I �)��
<br /> ordinances, notify the Owner at the time Of submitting bid After entering into the Contract, the Contractor shall be held responsible for the stnpping, that it is reasonably well draitied and does not contain substances toxic to plant life 1. Sanitary sewer. � ai -
<br /> completion of all work necessary for a complete arid approved installation without extra expense to the Owner This Contractor shall 0 0 ;�� Q� D < _J 0 ,�, I ��6
<br /> 2. Manholes � .-i < UJI � D`� cl) i -1 1,
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<br /> A. Befone back'illing, remove all debris SUbject to teimite attach. lot, or coirosion, and all other deleterious materials frail areas to be ; �,., I
<br /> prelpaie any supplementary detailed diagrarns or d[awings which rnay be required by any local at-state authority at lie additional cost to the B. t-oarn soils found on site may be Used for topsoil provided they conform to these equiren-ents arid are approved by the testing _J < UJ < I ,�,(,I
<br /> Owner. backfilled I I � I f I � I I 0 � ,-,
<br /> �11 laboratory, 1 02 General Requirements di d- ,Z , I �'E`,"�
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<br /> 1.03 Regulatory Requirements B Excavations for continuous wall foolings and building COlUrni foundations shall be backfilled Lip to the nottoni of the gfanular base 1 E n
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<br /> C PAR-T 3 EXECUTION A The Contractor shall visit the site. pnor to submitting his bid. infoi ni himself or the conditions and make his own estimates of the r- ,C- N CO 0 0) (N 14- 0 - -x '-n
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<br /> -nply with local, state, and federal regulations regarding erosion arid sedimentation control. wetlands I LLJ 0� �� I- I �
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<br /> a A, All earthwork shall car Course inside the building and up to pavenrient subgrade outside tile building with gial-11-flai material as specified in Article 2 02� facilities and dif, CUIhes attending file exectition of the war k (N (0 in in r-- 0) 0 Lb -J < 11�� i ,C,
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<br /> U) 3.01 General .11
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<br /> requirements, arid the regulations arid requirernents in the National Pollutant Discharge Elinnination Systerin(NPDES)Star in Water Permit. C, Utility fienches within tile brii1ding and beneath pavernents shall be backfilled up to the bottorin of the granular base course inside the B The Contractor shall be nesponsible for avoidance arid cleanup of,street spillage arid tiaciking to the satisfaction of the local and state i ______ ______ ____ ______ - -___ ___ w ����
<br /> C) building or to pavement subgrade outside tile buildings with granular material as specified in Article 2.02 Ufility trenches outside of paved authorities : -t
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<br /> 00 A, I lie site shall be graded to the elevations shown on the Drawings "The rough grades shall be held clown as required to receive the areas shall be bac,kfilled with gianular material as specified ,it]Article 2.02 to a height of 1 foot above the top' of the pipe or conduit. The I 0 E U.
<br /> F- 3, All grading shall be adequately sloped or stabilized to protect the property of the Owner arid the safety of the workers All Such surfacing called for on the Drawings. : 5 F
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<br /> & protection shall be in accordance with Occupational Salary and Health Act(OSHA) requirements and all other applicable codes arid rernaining depth may then be back'illed with excavated material approved by the testing laboratory C The right to make any inspections deemed necessary at the souice Of Supply. arid during preparation of any material used Ili this I �(n 6 o
<br /> 3� ordinances. wo I I, �
<br /> �? B. Rough grades Ili all areas not to receive paying shall be held down four inches(4")to allow for topsoil is ieserved I
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<br /> U 1. Backlill around utility pipes shall be placed Ili layers not exceeding 6 inches in depth,with the first lift not exfendirig higlierthan mid . . I I L0`-_)
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<br /> il height of the pipe. Each layer shall be carefully arid thoroughly tamped to 95'V,, of maximurn laboratory dry weight as deternlined by ASTM 1). Tile Contractor shall obtain arid pay for all permits. tests inspections. etc rect-wed by local boards that have I I 0 0
<br /> �,- 1.04 Reference Standards
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<br /> C Maintain surface dr-ainage for the st..ibgrade throughout tile anprovement area No ponded water shall be,allowed to collect on the Test Designation D1557 (Modified Proctor) project All work shall be executed and inspected Ili E,iccordance with all local arid state codes rules. ordinances, or regulations pertainin I _J I 1
<br /> �p .Jurisdiction over tile
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<br /> subgi ade to where it is rendered unsuitable for further work If at the time of performing fUrther work the subgrade is judged by the testing 9 X — ,,,I,,
<br /> nfol In to such W � a PTX
<br /> oiganizations or agencies(with respective abt)re,viations used) I 0 : �,I.:;
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<br /> - laterial arid replace it with 2. Backfill shall be placed simultaneously on both sides of utility pipes to prevent displaCer-nent ordinances, notify the Owner at the)time of submitting bid A"ter entering into the Contract the Contractor shall be IX ,�')
<br /> 0 A Salle products arid execution are specified ri this Section by reference to published specifications or standards of t1he following laboratory or Owner to be Unsuitable due to poor drainage, then Contractor shall remove Such unsuitable n to the particular type ofwork involved Should any changes in the Contract Drawings and Specifications be required to cc
<br /> acceptable rnatei ial placed Ili accordance with these specifications at no additional cost to the Owner, held responsible'or the c 1
<br /> M conlipletion of all work necessary for a complete arid appioved installation without extra expen�,.,,e to tile Owne � 1 �. u
<br /> - r. This Contractor shall �_ I< ,�,
<br /> F_ 3, Utility pir)es shall not be biought Lip to grade by raii material along their sides. prepare any supplementary detailed diagranis or drawings which I 0 � = �<4�,,�I
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<br /> 1 T h a Allier ican Society for Testin g arid Matei ia Is(AS TM) D. Slopes shall not exceed a pitch of 1 foot vertical to 3 feet horizontal unless noted otherwise on the Diawings, -nay be required by any local or stated authority at no additional cost[o Z � Z 'O X �
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<br /> D, All backfill material shall be placed in uniforni layers having a maximuni thickness measured loose, olsix Inches(6") and mechanically I i�-
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<br /> W B Compaction standards tat-iequired densities of fill compaction are expressed hereinafter ii teims of percentages. Such ternis shall compacted to a tnininhUnn density of 95% of niaximurn laboratory dry weight as detetniined by ASTM Test(Designation D 1 557 Nodified 0 (91 U_
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<br /> -�-< rnean peicentaqes of rinaxilTrinn density at optirrium moisture content. as determined and controlled Ili accordance with the following Proctor) Each layer shall be coiiipacted to this density before tile �_ �,V,
<br /> X ..,next layer is placed. — � Z I X 1��z
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<br /> > �u A Record Drawings The Contiactor shall subirnit, prior to final paynnent. accuiate ecord drawings for all sanlit,ary arid associated work U) I 0 W U.J I L]i "07
<br /> 0 (1) I AS T M D 1 557"M c isl u re-De n sity Relationsh ip of soils-Mod ified P rector Method" 1 7-��
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<br /> _< �� 2, AS f M D 1 556"Die nsity of So I in Place by th e Sa nd Con a Mad i ad" I U) -; U) I 0,,
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<br /> X 3, ASTM D2167 ''Density arid Unit Weight of Soil In-Place by the Rubber-Balloon Method" Z � 0 I F,X,
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<br /> M E 4 ASTM D2922 "Density of Soil and Soil-Aggregate in Place by Nuclear Methods (Shallow Depth)" A. Reference Standards I < J .1 11
<br /> < ,2 5 ASTNA D2937 "Density of Soil in Place by the Drive-Cylindet Method" I W < 0
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<br /> Z� D 1 Some products and exeCUtiOrl at a specified in this Section by reterence to --mblishod specifications or standards of tile following (with — � X Z ()
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