道路施工方案英文版

ROAD CONSTRUCTIONMANUALA.CONSTRUCTION SURVEYPROCEDURESA.l General.The center line of the traveledportion of the roadshallbe locatedin thecenterofthe right-of-way,and shall be locatedin the fieldby anauthorized licensedland surveyor.A.2Stations.Stations shall be establishedalong the road center lineevery fifteen15metersand at all radiuspoints P.C/s andP.T.s.The beginningof thisline shall be designatedas Station10+0andshall startat theexisting streetright-of-way line.Aconstruction stakeshall be placed ateachcenterlinestation.This stakewill showthe stationon theside facingtoward Station10+0andthe cut or fillwhich willestablish thecenterlinegradeon theopposite sideof thestake.A gradelistshowing thestations,stake elevations,cuts andfills shall be presentedto the EmployersRepresentative by the applicantbeforeconstruction begins.A.3Bench Marks.A permanentBench Mark shall beestablished at thebeginning andend ofeachlength of the road.These benchmarksshall bereferenced to the samedatum shownandidentified on theconstruction drawingsfor the road.The BenchMark elevation and adescriptionofeach BenchMarkshall be furnishedto the Employers Representative.B.CLEARING ANDGRUBBING

2.1Clearing.All trees,perishable matter,boulders,structures,fences anddebris ofwhatevernature shall be clearedfrom the fullwidth of the roadwaysection,including areas to bedisturbedbycuts orfills,except thatvaluable shadetrees mayremain in theshoulder areasas providedinSection B.

3.At intersectionsand oncurves,additional clearingmay benecessary toprovideadequatevisibility.This work shall allbe asapproved by the Employers Representative.

2.2Grubbing.All rootsand stumpswithin thelimits of the roadsectionshall begrubbed andexcavated,except thatno grubbingwillbe requiredwhere thefinished roadwaysurface will be onepointfive

1.5meter ormore abovethe originalground surfaceand thefoundation soilissatisfactory.Where treesare clearedand grubbingis notrequired,the trunksshall becut offflushto the ground,if possible,and innoevent more than eighteen18centimeter abovetheground.

2.3Trees.Valuable shadetrees may be permittedto remain in shoulderareasbut notwithinone pointfive

1.5meters of any curb line,if nosubstantialincrease in the riskof injuryor damageresultsbyreason ofits presenceintheparticular placewhere itstands andifno conflictswith utilitieswilloccur.Any suchtree shall beeffectively protectedand preservedso asto insurethat itwillsufferno damageduring constructionoperations.All treebranchesoverhanging theroadway pavementorshoulder areasshall betrimmedto aclearance ofthree pointsix

3.6meters abovethe finishedgrade of theroad.

2.4Topsoil.Topsoil shall be strippedfrom allsurfaces of the roadwaysectionwhich will bedisturbed bycutorfill operations.Topsoilso strippedshall bestockpiled on the siteof the work andshall bereserved forroadway landscaping.Erosion control measures will beinstalled aroundtheperimeter ofall stockpiles.C.ROADWAY EXCAVATION,FORMATION OFEMBANKMENT,ANDDISPOSAL OFSURPLUS ANDUNSUITABLEMATERIALSB.3节提供在交叉点和曲线上，额外的信息交换可能是必要的，以提供足够的可见性这项工作应全部由发包方代表的批准

8.2商业气息应grubbed路段的限制范围内的所有的根和树桩及挖掘，不同的是不将需要翻掘成品巷道表面会有一点五

1.5米或以上的上述原始地面的地基是令人满意如果树木被清零，不需要筹钱，树干应切断与地面齐平，如果可能的话，在任何情况下超过1818厘米以上的地面

8.3树有价值的遮荫树木可以被允许留在肩部区域，但不属于一点五

1.5米的任何路边线，如果没有因它的存在在特定的地方，它代表的伤害或损害结果的风险大幅增加与公用事业，如果没有冲突就会发生任何此类树应得到有效的保护和保存，以确保它会受到施工作业过程中没有损坏所有树枝悬垂巷道路面或肩部区域，应当修剪三点六

3.6米以上的成品道路坡度的间隙B.4表土应从巷道断面切割或填充操作会受到干扰的所有表面剥离表土表土剥离,应储存在网站上的工作，并应保留巷道美化侵蚀控制措施，将被安装在周边的所有库存C.巷道掘进，形成路堤，出售过剩的和不合适的物料C.1总则应按照国家标准规格的最新版本与所有适用的要求来完成的挖掘，填充或建设路基，路基，肩膀，斜坡和其他相关改进所需的所有材料，压缩和出售“巷道掘进，形成路基处理与处置剩余材料“除本文所修改C.2不适合的材料所有不适合的材料，包括在结算和商业气息和制备路基材料去除,应删除权路的范围内，在一个安全的位置由雇主代表批准，并依法处置为C.3剩余材料多余的材料可以被用来压平填充道的通行权的限制范围内，任何人斜率地役不能动用盈余合适的材料予以处置合法批准的方式，由雇主代表C.4爆破爆破应只执行由行货主管人员，应按照与之有关的所有适用的法律，法令,规章和条例地方政府机关，在他们的自由裁量权，可能需要爆炸的调查和照片D.制备路基D.1通用所有表土，软斑，泥炭和其他有机材料，应当剥夺其全部深度，应去除石块和窗台石至少三十30完成路基厘米以下的深度不得回填路基下面挖掘地区合适的材料合适的材料应包括砂，砾石和土壤粘合剂，无薄件或拉长，粘土块，土，壤土，植物性物质，冷冻材料或结石大于十五15厘米，最大直径从粗到罚款和不超过10%,颗粒应分级应通过200号筛所有施工方法应符合国家标准规范的要求，为“路基”作为路基高程图，连同所有的雨水排水管和渔获盆地热轧颗粒基地安装前必须提交并获得批准热轧颗粒基地安装之前，路基将推出由雇主代表要求的证明E.轧碎石基层E.1一般后一直滚到路基压实，一个热轧颗粒基地应申请所需的全部路面宽度加25厘米25超出每路边线热轧颗粒基地不得少于二十20厘米厚的压实后对住宅的道路/CUL-DE-SAC和不小于2525厘米厚的压实后，在集电极/产业道路，并标准详细图纸所示的横坡在窗台石，热轧粒料基层厚度应增加至5050厘米E.2材料和方法材料及施工方法应符合国家标准规格为“碾压碎石基层”的要求用人单位将提供具有代表性的样本，测试结果经过认证的土壤检测实验室，以验证是否符合规格楼骨料加工基地F.1概述热轧颗粒基地已被放置和压实后，应适用于加工骨料基地所需的全部路面宽度加3030厘米超出每个路边线加工骨料基地不得少于十10厘米厚的压实住宅的道路/CUL-DE-SAC后不不少于二十20厘米厚的压实后的集电极/产业道路上，并应具有跨斜坡上显示标准的详细图纸F.2材料和方法材料及施工方法应符合国家标准规格为“加工骨料基地”的要求用人单位将提供具有代表性的样本，测试结果经过认证的土壤检测实验室，以验证是否符合规格G.沥青混凝土路面G.1总则加工骨料基地已经铺开并压实后，巷道应铺上沥青混凝土所需的全部路面宽度加3030厘米超出每个路边线总压实深度不小于900厘米9一个住宅区的道路/CUL-DE-SAC,及不少于十10厘米收藏家/产业道路两2课程，由一个电动自走式摊铺机，沥青混凝土应适用底部或粘合剂的课程不得小于五5厘米厚的住宅道路/CUL-DE-SAC和不少于六6厘米厚的压实的集电极/工业路后，压实后顶部或表面场应不少于四4厘米厚的压实后在一般情况下，没有铺路，应允许在任何一天，那里的温度低于4040华氏度应放在路面，使每门课程应具有标准详细图纸上所示的横坡G.2材料和方法所有的材料及施工方法应符合的要求的沥青混凝土除了本文所修改的国家标准规范的最新版本底部或粘合剂的课程应包括沥青混合料的1级和顶部或表面当然应包括材料国家标准规格M段中指定的沥青混合料级2每个负载提货券的副本应提供给用人单位的代表或督察在安置时，允许进行良率分析产量分析表明，尚未提供所需的路面厚度，雇主代表可能需要采取岩芯样品验证路面厚度这些采样的成本将H.沥青混凝土H.1一般应实施的机器的路面两侧沿其整个长度的道路上的标准的详细图纸所示的道路的中心线的偏移量从机形成，沥青混凝土制止波浪或损坏遏制不得接受用人单位的代表R应该要求遏制放置不当被删除，取而代之沥青混凝土抑制可能被安装在底部或粘合剂路面的过逑中，提供路边升高以满足所需的十五15的顶部或路面表面过程中被安装后cemtimeter高度一阴沟L1一般排水系统的安装将需要一事一议的街道路面下方的边缘上显示标准的详细图纸无论是已知的或季节性的高地下水预计将小于三3脚低于建议完成等级的街道雇主的代表，可能需要将安装在其他位置的阴沟局部渗漏或弹簧观察建议街道线内区域交通管理局的自由裁量权，可以安装备用类型阴沟建筑地基基础下水道和/或窗帘水渠提供三通连接将作出规定组合暗渠/暴漏可以安装在一个单独的暗渠（如适用）的地方，标准的详细图纸上所示斜坡J.J.1一般不得超越的人行道或肩部区域的剪切或填补部分较陡一

（1）单元垂直两个

（2）单位水平除在岩石坡不得比六

（6）单位陡峭垂直一

（1）单位水平区域交通管理局可能需要一个量的斜坡下降到什么程度需要维持稳定的地球银行或岩壁所有地球的斜坡和地区，以任何方式，由于道路建设受到干扰，应覆盖最低十

（10）厘米表土，，适当播种或种植多年生黑麦草，以防止水土流失区域交通管理局可能需要拆除或调整的十字路口旁的斜坡，以保证有足够的视距在路口多余的出土材料可用于平坦斜坡区域交通管理局批准防护栅栏，可能需要在陡峭的岩石削减的顶部或填充区域交通管理局决定建设监测时间表K.下面列出的时间表，表明重点建设区域交通管理局或其授权的代表，希望观察，以便验证是否符合批准的图纸，适用的国家规范，以及良好的施工实践步骤，特此告知雇主在这一主题提出改进要上缴的公路建成后，业主必须在他打算启动任何建造工作开始工作前至少三

（3）天书面通知发包方代表的雇主应关闭的建设项目超过一

（1）本周一期间,由于天气条件或其他原因，车主应通知用人单位的代表等收，他应通知用人单位的代表，他打算恢复项目至少三

（3）天前复工此外，车主应及时通知用人单位的代表检查的目的,下面列出的每个阶段的工作之前，要启动该通知应通知的时间，启动建设项目提出的时间表，每个阶段是开始时，或b）至少48小时之前，以下各一）lo施工测量完成后，但在此之前的任何建设活动2o紧随配售后所有的水土流失防治措施3o放置任何巷道填充之前和之后形成的切断面的路基区域交通管理局可能需要测试坑出土的不同位置来确定暗渠安置4开始之前，安装排水或其他公用设施5在此之前的暴雨排水系统的任何部分的回填和压实06o巷道基材安置之前和之后审查的部分规定已建成的信息、道路基层材料的试验将是雇主有责任因此，一旦源材料是已知的，雇主应提供的网页具有代表性的样品和测试结果7之前放置任何路面08在完成抑制装置，回填遏制，肩区和堤防之前，loaming播种和安装古迹分级0上面的轮廓，只表示在施工过程中关键点的道路感觉是必要的观察，以确保充足的设施，它可能会被要求接受其他将进行定期的检查和测试，并认为有必要如果严格按照施工监测时间表可能导致在拒绝的改进通过区域交通管理局道路及渠务设计1一般路面建设，排水设施，路缘石，人行道及相关工作应按照规格米德尔镇，在所有情况下，应构建一个合格的，有经验的和合格的导师的监督下执行该项工作的人员应给予米德尔镇任何官方机构或委员会的工作现场检验或检查的目的有管辖权的街道，道路，发展或其他方面的改进，在任何时间内的工作符合所有适用的法规和规范执行工作的人员也应通知第一市政委员，或任何机构的城市米德尔有管辖权的关键阶段的工作时，要进行工作的一部分时，被掩埋或以其他方式呈现，这样它可以不再受到合理的测试，检验或检查规定的意图是，这些规范提供质量好，用料和做工，与所有其他人正确地整合各部分,并具有持久价值的无故维护工作或开支执行这样一项工作一项工作缺乏规范或法规的情况下，应按照良好的标准，符合公认的良好做法，这样做的这也是一个规定，除非获米德尔镇有管辖权的机构，根据这些规范执行工作的全部提交给合适的镇机关原签订的认证副本，纳入工作的材料符合规格这是一个进一步的要求，执行工作提供，其结论，一份来自康涅狄格州的注册专业工程师，证明其遵守这些规范这名工程师应特别资格和经验的项目的工作证明在规范性文件之间的冲突事件，下面将是优先顺序为1米德尔镇，2分区和分区条例米德尔3的城市道路及渠务工程规格附加到所述的标准规格2街建设街道应按照城市米德尔分区条例，城市的米德尔标准和规格设计

2.1路基所有壤土，树木和根须被拆除，刮和剥离完成路面等级低于建议的权利的方式为全宽至少15英寸软斑，泥炭和有机物质，应挖掘良好的底部，并更换合适的填充材料地球罢了，应在6英寸以认可的设备层，削减楼层应压实同样前进一步建设就此被压缩所有填充被放置在灌装时的海拔不到三英尺以上地下水位应包括岩石或自由排水的土壤

2.2连接板底基层由破碎岩石，砾石，碎石，加工砾石，结合碎石，砂，碎石和放映或这些材料的组合，放置在路基压实与十吨的滚子滚动的带来真正的品位和横截面的路面结构，以支持后续的课程，底板深度超过六INC无论是黄沙漫天石头或加工砂砾基层填料应是砂，石或碎石组成的坚韧，耐用的颗粒含有不超过3%的淤泥或石粉重量通过100目筛的部分不具有足够的塑性，以允许性能的塑限试验AASHO方法T-90的灰度填料应是这样的，100%通过5/8英寸的筛，并没有超过70%保留在50号筛碎石加工基地应符合到黄沙漫天基地指定的粗骨料的质量要求，填料以上，合并的混合物，应符合以下层次的要求从混频器所mped225oF和300oF之间所有的骨料和沥青应符合相应的沥青混凝土面下所列材料物理性能方面的要求工厂要求，交货，配售及压实应符合所有适用相应的规范下的沥青混凝土表面定级按重量百分比传递

2.5沥青混凝土面层这应包括沥青构成混凝土穿用表面后，植物的线，等级，厚度和横截面显示在所附的标准符合混合沥青基这项工作的材料应包括粗骨料，细骨料，矿物填料，如果有必要，沥青水泥相结合，满足下列成分重量的限制和其他素质按重量传递应控制的温度，从而使沥青水泥不得超过325oF和骨料，在干燥器所280oF和350oF的总的水分含量之间从混合器中倾倒时，该混合物的温度应在265oF和325oF沥青水泥砂浆应符合AASHO,M-20穿透85-100级的要求粗骨料应包括清洁，坚韧，耐用的碎片，碎石或砾石统一的质量它应包含不超过1%石粉，沙子，拉长或软件应无泥，污物，有机或其他有害物质使用砾石时，至少有50%被压碎进行测试时，通过洛杉矶磨耗AASHO方法T-96亏损不得超过40%细骨料应包括沙子或最低的50%的沙子的混合物，最多50%的石头放映应当由清洁，坚韧，表面粗糙的角粒细骨料应限于材料，其中95%通过4号正方形开口筛，并且不超过8%通过200号筛不得有足够的塑性，塑限试验AASHO下进行测试，由粘土，壤土或其他有害物质及部分通过100号筛材料应免费方法T-9O沥青混凝土材料结合的层次是可以接受的范围，但并不免除最小可行无效内容的组合与要求材料应混合在米德尔镇厂应配备，维护和操作的方式，质量控制是可以接受的，管辖机构接受植物，即均匀性是有保证的，并且，符合这些要求得到证实米德尔镇任何获授权人员或代理人应准予进入污水处理厂的检查和检验的目的将混合物从搅拌站运到卡车具有紧，清洁机构的工作现场用煤油，燃料油或汽油涂料机构是禁止的卡车应配备负载的封面，并根据天气的要求，应使用这些与不超过15%的损失，在运输过程中的温度，将混合物的交付混合物应放在只有在清洁表面，除了无法访问该设备的位置，能够均匀散布材料和限制性的公差范围内保持深度控制自供电摊铺机应放置这项工作不得在有雾或阴雨天气，或在树荫下，当大气温度低于40oF之间路缘石，排水结构的接触面等，应涂上一层薄薄的热沥青水泥，乳化沥青或沥青水泥石脑油前对他们配售沥青混凝土传播之后，当有足够的一套已经发生，材料应包括初级，中级和终轧滚动压实轧制初期应与最低10吨的串联或三个车轮钢辐中间轧制须用自走式充气轮胎的滚子具有均匀的接触压力从60至90磅每平方英寸终轧应最低10吨的钢制车轮双钢轮压路机米德尔可城市的官员或机构在小巷道部分的情况下，允许所有滚动最低10吨串联钢钻辘预期在人行道上的交通预期可能会相对较轻应所有人迹罕至的地方辐碾压夯实在滚动操作，隆起或凹陷应予以纠正，从而达到平稳甚至表面中间1/3分中的每一块石板的加工横缝3排水排水设施须安装按照以下要求L

3.1管道和次要结构应安装足够的管道和排水结构，进行现有的课程和水漏预期或建议的道路和其他发达地区，或拟建设，合理地预期可能漏预期的工作时间，或尽可能多的为20年之后，这最后的代价要确定由代理商或佣金米德尔镇管辖这应按照避免水土流失，适当顾及公众健康，公众的舒适并充分考虑公众安全的要求放电过公，私有土地应如土地使用中出现的其他规范性文件，并没有办法，造成不必要的日后维修时被刺死米德尔镇或机构的不妥协的意图4个辅助交通设备和监管签名在与任何街道建设，执行工作应提供和安装所有必需停止的迹象，穷途末路的迹象，警告标志和所有必要的辅助和监管设备，这些机构管辖是令人满意的一致性与“参展商手册街道和公路“统一交通控制设备全国联合委员会编制的统一交通控制设备5STREET照明:下达命令时，这些构建新街道将于负责照明充足的规定成立由实用程序按照类型邻里任何及所有费用应由那些执行工作，直到米德尔镇街上已接受6古迹所有新街道应monumented准确，充分地完成，让所有公路沿线点准备的决心在一般情况下，纪念碑应放置在所有的相切点和点的曲率和世界各地的要求，允许在同一行上看到从线路上的一座丰碑7路牌路牌轴承街道名称应布置，并竖立在所有建设造成的十字路口这些应定向和轴承相交的街道的名字，一个岗位上的两个标志的路口，同样的十字交叉口的对角线上街道相交的方向是这样的，需要额外的标志容易被理解的，应当提供路牌应为烤漆，金属光洁度，完整的硬件和配件，基本上防篡改和安装最少2ID镀锌管刻字，背景，高度的标志和外观应类似于安装最新型的迹象米德尔镇8美化除的小路囊，将不得种植任何东西，但草之间的路面及公路线公路线外的任何种植的树木应定位为以避免冲突与公用事业线种植的物种将受管辖机构的批准，并在附近的人行道，不得包括常青树或低分支树病树还是那些典型的原因损坏的下水道和排水渠，不得种植符合上述要求的新街道沿线现有树木可能留在原地然而，特别是禁止的，是种植业，或允许留在的地方，树木，会不适当地限制交通视线CUL-DE-囊，在所有情况下，应满怀憧憬，将允许在所有点与低增长的植被种植等种植无效维护割草，除草或其他形式的任何要求Loaming与播种，足以树立了良好的草坪草的立场的，应当进行山坡和那些铺好的区域内的公路线两侧人行道C.l General.The excavation,filling orcompacting anddisposal ofallmaterial required toconstruct theroadbed,subgrade,shoulders,slopes andother associatedimprovements shall beaccomplished inaccordance with all applicable requirementsof themost currentedition of theNationalStandard Specifications for nRoadwayExcavation,Formation ofEmbankment andDisposalof SurplusMaterialexcept asmodified herein.C.2Unsuitable Material.All unsuitablematerial,including materialremovedduring clearingandgrubbing andpreparation ofsubgrade,shall be removed fromwithin thelimits of theright-of-way anddisposedof lawfullyatasafe locationapproved by the Employers Representative.C.3Surplus Material.Surplus materialmay be used toflatten fillslopeswithin thelimits of theright-of-way andany slopeeasements.Surplus suitablematerials thatcannot beso utilizedshall bedisposed oflawfully ina mannerapproved by the EmployersRepresentative.C.4Blasting.Blasting shall be performedonly bylicensed competentpersonneland shall bedone in accordance with allapplicablelaws,ordinances,rules andregulations pertainingthereto.Local GovernmentAuthority may,at theirdiscretion,require blastsurveysand photographs.D.PREPARATION OFSUBGRADED.l General.All topsoil,soft spots,peat andother organic materialshall bestripped to their fulldepth,and bouldersand ledgerockshall beremoved to a depth of at least thirty30centimeterbelowfinished subgrade.Areas excavatedbelow subgradeshall bebackfilledwith suitablematerial.The suitablematerial shallconsist of sand,gravel andsoil binder,free fromthin orelongatedpieces,lumps ofclay,soil,loam,vegetable matter,frozen materialorstones largerthan fifteen15centimeter ingreatest dimension.Theparticles shall be wellgraded fromcoarse tofine and not morethan10percent shallpass theNo.200sieve.All construction methodsshall conform to therequirements of the National Standardspecificationsfor Subgrade”.An as-built drawingshowingsubgradeelevations alongwith allstorm drainagepipe andcatch basinsmustbe submittedandapproved prior to the installation of the rolledgranular base.Prior to theinstallationofthe rolledgranularbase,the subgradewillbeproof rolledas requiredby theEmployersRepresentative.E.ROLLED GRANULARBASEE.l General.After the subgrade hasbeen rolledand compacted,a rolledgranularbase shall beapplied for the full required width ofpavement plustwenty five25centimeter beyondeach curbline.The rolledgranularbase shall not be less than twenty20centimeter thickaftercompaction onaresidential road/cul-de-sac andnot less thantwentyfive25centimeter thickafter compaction on acollector/industrial road,and shallhave thecross-slope shown on the Standard DetailDrawings.Inledge rock,therolled granularbasethickness shallbeincreased tofifty50centimeter.E.2Materials andMethods.Materials and construction methods shallconform to therequirements ofthe NationalStandard SpecificationsfornRolled GranularBase”.The Employerwillprovide arepresentativesample and test resultsfrom acertified soiltesting laboratorytoverifyconformance with the specifications.F.PROCESSED AGGREGATEBASEF.l General.After therolledgranularbase hasbeen placedandcompacted,a processedaggregate base shall be appliedfor thefullrequired width of pavement plus thirty30centimeterbeyond eachcurb line.The processed aggregatebase shallnot be less than ten10centimeter thickafter compaction on the residentialroad/cul-de-sac and notless thantwenty20centimeter thickaftercompactionon thecollector/industrial roadand shallhave thecross-slope shownontheStandard Detail Drawings.F.2Materials andMethods.Materials andconstructionmethodsshallconform to therequirementsoftheNationalStandard SpecificationsfornProcessed AggregateBase*.TheEmployer willprovide arepresentativesample andtest resultsfrom acertified soiltesting laboratoryto verify conformance with thespecifications.G.BITUMINOUS CONCRETEPAVEMENTG.l General.After theprocessedaggregatebase hasbeen rolledandcompacted,the roadwayshall be surfacedwith bituminous concretefor thefullrequiredwidthofpavementplusthirty30centimeter beyondeachcurblinetoatotal compacteddepthofnot lessthan nine9centimeter for aresidential road/cul-de-sac,andnotlessthan ten10centimeter fora collector/industrial road.Thebituminous concreteshall beapplied bya motorizedself-propelledpaver machinein two2courses.The bottomor bindercourse shallnot be lessthan five5centimeters thickaftercompaction for theresidential road/cul-de-sac andnot lessthan six6centimeter thickaftercompaction forthe collector/industrialroad.The top or surface course shall be notlessthanfour4centimeter thickaftercompaction.In general,No pavingshall be permittedon anyday where thetemperature islessthanforty40degreesFahrenheit.Pavement shall be placedso thateach courseshallhave thecrossslopeshown ontheStandard Details Drawing.G.2Materials andMethods.All materials andconstructionmethodsshallconform totherequirementsofthemost currenteditionofthe StateStandardSpecificationsforBituminousConcrete exceptas modifiedherein.The bottomor bindercourse shall consist ofBituminousConcrete Mixture Class1and thetoporsurfacecourseshall consistofBituminousConcreteMixtureClass2as specifiedintheMaterialsSection MoftheNational StandardSpecifications.Copies ofeachload deliveryticket shall be providedtotheEmployersRepresentative orlnspectorat thetime ofplacement toallow ayield analysisto beperformed.Shouldthe yieldanalysis indicatethat the requiredpavement thicknesshas not been provided;theEmployers Representativemayrequire thatcore samplesbe takento verifypavement thickness.Thecost ofsuch samplingwill beH.BITUMINOUS CONCRETEH.l General.Machine formedbituminous concretecurbing shallbeapplied bymachine tobothsides ofthe pavementalong theentirelength oftheroadat theoffset from the centerlineof theroadshownontheStandardDetailDrawings.Wavy ordamaged curbingshallnotbeaccepted,andthe EmployersRepresentative rshall requirethatimproperly placedcurbing beremoved andreplaced.Bituminousconcrete curbingmay be installed onthe bottomor bindercourse ofpavement,provided that the curbis elevatedto meet therequiredfifteen15cemtimeter heightafter thetop orsurfacecourse ofpavement isinstalled.I.UNDERDRAINSLI General.The installationof underdrainswillbe required beneaththeedge ofpavement ofaproposed streetas shownontheStandardDetail Drawingswherever theseasonal highgroundwateris knownorexpected to belessthan three3feet belowthe proposedfinishedgradeofthe street.TheEmployers Representativemay requireunderdrains tobe installed atother locationsand wherelocalizedseeps orspringsare observedwithin the proposed streetlines.At thediscretion oftheRegional TransportationAuthority,alternate typesof underdrainsmay beinstalled.Provisions willbemade forconnection ofbuildingfoundation drainsand/or curtaindrains byprovidingteeconnections.A combinedunderdrain/storm drainmay beinstalledin placeofaseparateunderdrain whereapplicable,as shownon theStandardDetailDrawings.J.SLOPESJ.l General.Cut orfill sectionsbeyond thesidewalk orshoulder areashallnotbesteeper thanone1unit verticalto two2unitshorizontal exceptin rockwheretheslope shallnotbesteeperthansix6units verticalto one1unit horizontal.The RegionalTransportation Authoritymayrequire adecrease inthe amountof slopetowhatever extentnecessary tomaintain thestability oftheearthbank orrock face.All earthslopes andareas thathave beendisturbedin anyway due toconstruction oftheroadshall becoveredwith a minimum often10centimeter oftopsoil andsuitablyseededor planted with perennialrye grassto preventerosion.TheRegional TransportationAuthority may requirethe removalor adjustmentofslopes adjacentto intersectionsin orderto assureadequatesightdistance at the intersection.Excess excavatedmaterial maybeused toflatten slopesasapproved bythe Regional TransportationAuthority.A protectivefence mayberequiredatthetop ofsteeprockcuts orfills asdetermined bythe RegionalTransportationAuthority.K.CONSTRUCTION MONITORINGSCHEDULEThe owneris herebyadvised that the scheduleoutlined belowindicates keyconstructionstepswhich theRegionalTransportationAuthority,or theirauthorizedrepresentatives,wishes toobserveso astoverifycompliance with theapproved drawings,applicable nationalspecifications,and goodconstructionpractice.In thatthe subjectimprovements areproposed to be turnedoverto thehighwayafter completion,the ownermust notifytheEmployersRepresentative inwriting ofhis intentiontostart anyconstruction workat least three3days prior to startingthe work.Should theemployerclose downthe constructionproject fora periodexceeding one1week,duetoweather conditionsor other cause,the ownershall notifytheEmployersRepresentative ofsuch closing,and heshallnotify theEmployersRepresentativeof hisintentionto resumethe projectat leastthree3daysprior toresumingthe work.In addition,the ownershall givetimely noticetotheEmployersRepresentative forinspection purposesbefore eachofthestages ofworkoutlined beloware to beinitiated.Such noticeshallbegiven aat thetimeof notificationto starta constructionproject bypresentingaschedule ofwhen eachstage isto begin,or batleast48hours beforeeachof thefollowing:

1.After completion oftheconstruction survey,but priorto anyconstructionactivities.

2.Immediately afterplacement ofall erosioncontrolmeasures.

3.Prior toplacement ofany roadwayfills,and afterformation ofthesubgrade incut sections.The RegionalTransportationAuthoritymayrequire testpits tobeexcavated atvarious locationstodetermine underdrain placement.

4.Prior tocommencing installationof drainageorotherutilities.

5.Prior tobackfilling andcompacting anyportion ofthe stormdrainagesystem.

6.Prior toplacement ofroadway basematerialsandafter reviewof theas-built informationrequiredunder Section:Testing oftheroad basematerial willbe theresponsibility oftheemployer.Therefore,once thesource ofmaterial isknown,the ownershouldprovide thesite with arepresentative sampleandtestresults.

7.Prior toplacement ofany pavement.

8.At thecompletionofcurbing installations,backfilling ofcurbing,grading ofshoulder areasandembankments,priortoloaming andseedingand installationof monuments.The outlineabove servesonly toindicate keypoints inthe constructionprocesswhich theroadfeels arenecessary toobserve soastoensure theadequacyof facilitieswhich itmight beasked toaccept.Additionalinspection andtesting willbe conductedonaperiodic basisand asdeemednecessary.Failure tostrictly followthe ConstructionMonitoringSchedule couldresult inarejection ofthe improvements.As adoptedbytheRegionalTransportationAuthority.ROAD ANDDRAINAGE SPECIFICATIONS1GENERAL:Construction ofpavement,drainage facilities,curbs,sidewalksand relatedwork shallbecarried outin accordancewith thespecificationsofthe Town of Middlefield and in allcases shallbeconstructedunder thesupervision ofa competent,experienced andqualifiedsupervisor.Personsperforming suchwork shallgrant accesstothe working site toany official,agency orcommission ofthe Town ofMiddlefieldhave jurisdictionover streets,roads,developments orotherimprovements atanytime duringthe workfor purposesof examination orinspection forcompliance with allapplicable regulations andspecifications.Persons performingthe workshall alsonotify theFirstSelectman,or anyagency ofthe Town of Middlefieldhaving jurisdiction,when criticalphasesof the work areto beundertaken and when apart ofthe work isto beburied orotherwise renderedsuchthat itcan nolongerbe subjectedto reasonabletest,examinationorinspection.It isthe intentoftheregulationsand these specificationstoprovide formaterials andworkmanshipof goodquality,properly integratedeachpart withall others,and oflasting valuewithoutundue maintenanceeffortor expense.In theevent ofthe absenceof specificationsorregulationsfor anitem ofwork,those performingsuch anitem ofworkshall doso according togood standardsconsistent withaccepted goodpractices.It isalso arequirement that,unless waivedbythe agency oftheTown ofMiddlefieldhavingjurisdiction,those performingwork underthesespecifications allsubmit tothe appropriatetownagency originalsignedcopies ofcertifications thatmaterials incorporatedinthework conformwiththespecifications.It isa furtherrequirement thatthose performingtheworkfurnish,at itsconclusion,a statementfroma ConnecticutRegistered ProfessionalEngineerattesting toits compliance with thesespecifications.Thisengineer shallbe particularlyqualified andexperienced inthe itemsofworkattested to.In theevent ofconflict betweenregulatory documents,the followingwillbe theorder ofprecedence:

1.Zoning andSubdivision Regulationsofthe Townof Middlefield,

2.Road andDrainageSpecifications ofthe Townof Middlefield,

3.The Standardsappended tothe saidspecifications.2STREET CONSTRUCTIONS:Streets shallbe designedin accordancewith theTown of MiddlefieldSubdivision Regulations,the Townof MiddlefieldStandardsand thefollowing specifications:

2.1Subgrade:All loam,trees androots shallberemoved,scraped andstrippedto atleast15inches belowthe proposedfinish gradeofpavement forthefullwidthofthe right-of-way.Softspots,peat andorganicmaterialshallbeexcavated togoodbottom andreplaced withsuitable fillmaterial.Earth fillsshallbe compactedin sixinch layerswith approvedequipment,floors ofcuts shallbecompacted similarlypriortofurtherconstruction thereon.All fillthat isplaced toan elevationoflessthan threefeet abovewater tableatthetime offillingshall consist of rockor free-draining soil.

2.2Subbase:The subbaseshall consist of brokenrock,crushed stone,gravel,processed gravel,combined brokenstone andsand,combined brokenstone andscreenings orcombinations ofthesematerialsplaced upon thesubgradeand compactedby rollingwitha ten ton rollerand broughttotrue gradeand crosssectionto supportthe subsequentcourses ofthe pavementstructure.Where thedepthof subbaseexceeds sixincThe fillerfor eithersand filledstone orprocessedgravel baseshallbesand,stone orgravelconsisting oftough,durable particlescontaining notmore than3%silt orcrusher dust by weight.Theportion passingthe100meshsieve shallnot havesufficient plasticityto permittheperformance ofthe plastic limit test A.A.S.H.O.Method T-

90.The gradationforthefiller shallbe suchthat100%shallpass the5/8inch sieve andnotmore than70%retained ontheNo.50sieve.Processed gravelbaseshall conform tothe qualityrequirements for coarseaggregates specifiedforsand filledbase,filler nextabove,and thecombined mixtureshallconformtothe followinggradationrequirements:mped fromthe mixer shallbe between225oFand300oF.All aggregatesand bitumenshallconformwith therequirementsfor correspondingmaterialslisted underbituminousconcrete surfacewith respectto physicalproperties.Plant requirements,delivery,placing andcompactionshall bein conformancewithallapplicablecorrespondingspecifications underbituminousconcretesurface.GradationPercent Passing by Weight

2.5Bituminous ConcreteSurface:This shallconsistofbituminousconcrete wearingsurface constructedupontheplant mixedbituminousbase inconformity withthelines,grades,thickness andcross sectionshownonthe appendedstandards.The materialfor thisworkshallconsistofcoarseaggregate,fine aggregate,mineral fillerifnecessary,andasphalt cement,combined tomeetthefollowing compositionlimitsbyweightandother qualities:PassingbyWeightThe temperatureshallbecontrolled sothattheasphaltcement shallnot exceed325oF andtheaggregate atthe driershallbe between280oF and350oF dependingonthemoisturecontent oftheaggregate.The temperatureofthemixture whendumpedfromthemixershallbebetween265oF and325oF.The asphaltcement shallconformtothe requirementsofA.A.S.H.O.,M-20penetration grade85-

100.The coarseaggregate shallconsistofclean,tough,durable fragmentsof brokenstone orgravelof uniformquality.It shallcontain notmore than1%crusherdust,sand,elongated orsoft pieces;itshall befree frommud,dirt,organic orother deleterioussubstances.When gravelisused,atleast50%shallbecrushed.When testedby meansofthe LosAngeles RattlerA.A.S.H.O.Method T-

96.the lossshallnot exceed40%.Fine aggregateshallconsistof sandoramixture ofaminimum of50%sand anda maximumof50%stone screeningsandshall becomposed ofclean,tough,rough surfacedand angulargrains.Fineaggregate shallbe limitedto material,95%ofwhich passes a No.4square openingsieveandnotmore than8%passesaNo.200sieve.The materialshallbefree fromclayjoam orother harmfulsubstancesandthefraction passingtheNo.100sieve shallnot havesufficient plasticityto betestedundertheplasticlimittestA.A.S.H.O.Method T-9O.The gradationslisted forthe materialscombined inthebituminous concreteare acceptablerangesbut donot relievetherequirement fora combinationwith minimumpracticablevoid content.The materialsshallbemixed ata plantacceptable totheagency ofjurisdiction ofthe TownofMiddlefield,whichplant shallbe equipped,maintained andoperated insuchmanner thatqualitycontrol isacceptable,that uniformityisassured,and thatcompliancewiththese requirementsmaybesubstantiated.Any authorizedofficer oragent ofthe TownofMiddlefield shallbe grantedaccessto theplant forpurposesof examinationand inspection.The mixtureshallbetransported fromthe mixingplantto theworkingsitein truckshavingtight,clean bodies.Coating bodieswith kerosene,fuel oilor gasolineisprohibited.Trucks shallbeequipped withcovers forthe loadandthese shallbeusedaccordingtoweather requirements.Themixture shallbe deliveredwith nomorethan15%loss oftemperatureduring transport.The mixtureshallbeplaced onlyupon cleansurfacesand,except forlocations notaccessible tosuchequipment,shallbeplaced witha self-powered pavercapable ofspreadingthe materialuniformlyand ofmaintaining controlof depthwithinrestrictive tolerances.This workshall notbeperformedin foggyor rainyweather orwhen theatmospherictemperature isbelow40oF intheshade.Contact surfacesofcurbs,drainage structures,etc.shallbepainted witha thincoatof hotasphaltcement,emulsified asphaltor asphaltcementin naphthajust priorto placingbituminousconcreteagainst them.After spreading,andwhensufficient sethas takenplace,the materialshallbe compacted byrollingconsistingof initial,intermediate andfinal rolling.Initial rollingshallbe witha minimum10ton tandemor threewheel steelroller.Intermediate rollingshallbewithaself-propelledpneumatictire rollerwithauniform contactpressure from60to90pounds persquare inch.Final rollingshall beaminimumtentonsteel wheeltandem roller.The officeroragency oftheTownofMiddlefieldmay,in casesof minorroadwaysections,permit allrolling withaminimum10tontandem steelwheelroller whereanticipated trafficover thepavementmaybeexpected tobe relativelylight.Allplacesinaccessible torollers shallbecompactedwith tamps.Duringrolling operations,ridges ordepressionsshallbecorrectedso asto achievea smootheven surface.intermediate tooledtransversejoints at1/3points ineach slab.3DRAINAGE:Drainage shallbeinstalledinaccordancewiththefollowingrequirements:

3.

5.1Pipe andMinor Structures:Sufficient pipeand drainagestructuresshallbeinstalled tocarryexisting watercoursesand to drain expectedor proposedroads andother developedareaswhichmaybeexpected reasonablytodrainto,over orfromtheproposedconstruction,atthetime oftheintendedwork oras muchas twentyyears thereafter,this lastconsiderationtobeas determinedbythe agentor commissionofjurisdiction oftheTownofMiddlefield.This shallbedone inaccordancewiththerequirementsforavoidance ofsoilerosion,proper regardfor publichealth,public comfortandfull considerationof publicsafety.Discharge overpublic orprivatelands shallbesuch asto notcompromise theintent oflanduse appearingin otherregulatory documentsand shall,inno way,cause unduefuture maintenancetobethrust upontheTownofMiddlefield oragenciesthereof.4TRAFFIC AIDSAND REGULATORYSIGNING:In connectionwith anystreetconstruction,those performingtheworkshall furnishand installallrequiredstop signs,dead endsigns,caution signsand allnecessary aidsandregulatory devices,these tobe satisfactorytotheagency ofjurisdiction andinconformancewiththe ManualonUniform TrafficControlDevices forStreets andHighways11prepared bythe NationalJointCommitteeon UniformTraffic ControlDevices.5STREET LIGHTING:When soordered,those constructingnew streetswill beheldresponsible forilluminatingprovisions adequatefor typeofneighborhood inaccordancewiththe proceduresestablished bytheutility.Any andall costsshallbeborne bythose performingtheworkuntil thestreethas beenacceptedbytheTownofMiddlefield.6MONUMENTS:All newstreets shallbe monumentedaccurately andsufficientlycomplete toallow fortheready determinationof pointsalongall highway lines.In general,monuments shallbeplacedat allpoints oftangency andpointsofcurvature andelsewhere asrequiredtopermitseeing fromonemonument ona lineto anotheronthe same line.7STREET SIGNS:Street signsbearing streetnames shallbe furnishedanderected at all intersectionsresultingfrom theconstruction.These shallbeoriented with,and bearingthe namesoftheintersecting streets,twosigns onone postfortheintersections,thesameon diagonalcorners forcrossintersections.Where theorientation ofintersecting streetsissuch thatadditional signsare neededtobeunderstoodreadily,they shallbeprovided.Street signsshallbebaked enamel,finish onmetal,complete withhardwareand fittings,essentially tamperproof andmounted onminimum2nLD.galvanized pipe.Lettering,background,height ofsign andappearanceshall besimilar tosigns ofthe latesttype installedbytheTownofMiddlefield.8LANDSCAPING:Except forcul-de-sacs,planting ofanything butgrassbetween thepavement andthe highwaylineswill notbepermitted.Anytrees plantedoutside thehighway linesshallbeso positionedas toavoidconflictwith utilitylines.Species tobe plantedwillbesubject totheapproval oftheagencyofjurisdictionand,when nearsidewalks,shall notincludeevergreens orlow branchingtrees.Diseasedtrees orthosecharacteristically thecause ofdamage tosewers anddrains shallnot beplanted.Existing treesalong newstreets conformingtotheforegoingrequirements mayremaininplace.Especially prohibited,however,is theplanting,or allowingto remaininplace,trees thatwouldunduly restrictsightlines fortraffic.Cul-de-sacs,in allcases,shallbeplantedwithlow growingvegetationthat willpermit fullvisionatallpoints andso plantedas tovoidany requirementfor mowing,weeding orother formsofmaintenance.Loaming andSeeding,sufficient toestablish agood standof lawngrass,shall beperformedfor slopesand forthose unpavedareas withinthehighwaylinesflanking thesidewalks.道路施工方案A.建设调查程序A.1总则行驶部分道路的中心线应位于中心的权利的方式，由授权（行货）土地测量师，并应设在该领域A.2站站须设置沿道路中心线每隔十五

（15）米，半径点（PC和PT）此行开头的，应当指定为10+0站和应开始在现有的街道右边的路线路应放置在每个中心线站的建设股权本次股权会显示电台的侧面朝向站10+0和对面的股权将建立中心线级的挖或填站A级名单显示，持股比例升高，土石方应提交给雇主代表由申请人在施工开始之前A.3基准标记应当建立一个永久的板凳标志在每段的开头和结尾的道路这些标记应引用到相同的数据显示，确定施工图纸的道路水准点高程和描述每个板凳马克应提供给雇主的代表B.结算及筹钱

8.1结算应清除所有树木，易腐物质，巨石，构筑物，围墙和杂物的任何性质的全宽巷道断面，包括削减或填充受到干扰的地区，除了宝贵的遮荫树木可能会留在肩部区域。