设计单位工程质量评估报告---k (1)

时间:2024.3.19

     竣工工程质量(设计)自评报告

勘察单位工程质量评估报告

设计单位工程质量评估报告

勘察单位工程质量评估报告

监理单位工程质量评估报告

监理单位工程质量评估报告

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勘察单位工程质量评估报告


第二篇:13-1工程质量评估报告(示范稿)


宗关水厂老系统(二期)32万吨/日

净化系统建设工程

单位工程质量评估报告

武汉扬子江工程监理有限责任公司

20**年10月18日

一、 前 言

1、本报告所针对的是宗关水厂老系统(二期)32万吨/日净化系统单位工程。

2、本报告编写依据:承包单位对分部、分项工程的自检合格资料;监理工程师日常巡查、旁站、建筑材料试验见证取样、平行检查、复检、资料审核等方式所掌握的情况。

3、编写本报告所掌握的原则要求:做到评估意见客观、公正、真实;对监理过程做出综合描述;能反映工程的主要质量状况、工程的结构安全、重要使用功能及观感质量等。

二、 工程概况

宗关水厂改造工程为市政府重点项目。该工程位于宗关水厂内。改建规模为32万吨/日,由武汉三镇基建发展有限责任公司投资兴建,土建部分由武汉水务建设工程公司负责施工,我扬子江监理公司授业主委托对该项目进行施工阶段监理。

本工程主要构筑物有:絮凝沉淀池2座、气水反冲洗滤池1座及设备间、清水库1座、加药间1座、及其附属工程,均为钢筋砼水工构筑物。

所有主体结构砼强度等级均为C25,池体及底板抗渗等级为S6。

三、质量评估依据

本工程质量评估依据为:

1、设计文件(包括设计图纸及设计变更文件);

2、《施工承包合同》和《建设监理合同》约定的工程质量控制目标。3、建筑安装工程、市政工程质量检验评定标准、施工验收规范及相 应的国家、地区现行标准;

4、试验、检测所遵循的标准、规程、规范;

5、国家、地方现行有关建筑、市政基础设施工程质量管理办法、规定;

6、《监理规范》;

四、质量受控状态

水务集团工程管理部明确该工程的目标是“楚天杯”,力创国优工程。

围绕这一质量目标,在监理过程中,我们严格遵循监理工作程序,认真地控制好工程的质量、进度和投资,及时组织协调施工中各方面关系,督促施工单位搞好现场安全文明施工,有效地保证了工程质量目标和工期目标的顺利实现。

(一) 质量受控状态概况

在工程施工中,各承包单位均建立了完善的质量保证体系,并订立了岗位质量责任制,工程质量在每个环节都得到了有效的控制,质量保证体系发挥了应有的作用,体系运转正常。

工程开工前,监理项目部将监理工作的要求编制成工作制度分发给各承包单位,要求各承包单位在工程施工中,严格按程序操作。对此,各承包单位给予了积极的支持和配合。

在工程施工过程中,各承包单位都能够严格按制度办事,按照有关设计及施工规范进行施工,按照有关程序接受监理工程师对工程质量的监督和检查;主动进行工序、分项工程质量报验,确保上道工序验收合格才进入下道工序施工;并对工程质量上存在的问题及时进行整改,坚持不整改到位不放过的原则。

(二) 质量控制情况

在工程实施前,监理公司组建了由总监负责、按专业分组的项目监理部。项目部建立了职能健全、责任明确的质量控制体系;编制了详细具体、具有针对性的监理规划和监理细则。

1、严格审查承包单位资格

在督促施工单位建立了一个完善、有效的质量保证体系的同时,对于施工单位,项目监理部认真审查了其资格和能力及施工资质、经营范围、注册资本、承包工作量、施工能力、施工业绩等进行了审查,并对施工单位试验检测能力进行考察,其资格和能力满足工程需要。

2、严格审查施工组织设计及施工方案

施工组织设计和施工方案是施工单位的作业指导书。一方面,对各施工单位的施工组织设计和施工方案逐一认真组织审查,提出明确完善的修改意见,使其具有针对性和最优化;另一方面,严格要求各施工单位按审定的施工组织设计和施工方案施工,从而,为工程质量目标的顺利实现提供了保障。

3、严把材料质量关

在工程监理过程中,监理工程师严把原材料、半成品、设备质量关。对于进场的材料,要求材质证明齐全,并经监理人员见证取样检验合格后,方可投入使用;经检验不合格的材料,立即通知退场,重新采购,并经重新检验合格后,方可投入使用。对于进场的设备,一方面要具备出厂合格证和试验报告;另一方面,安装前要进行相关的试验和检测;对于进场的钢管,在其出厂前,监理人员到厂家进行了考察和抽检。这样,确保了使用于该工程中的原材料、半成品、设备100%都是合格的产品,从源头上把住了工程质量关。

4、确立质量控制点,加强预控

项目监理部将本工程建(构)筑物的定位、放线、基坑(槽)的开挖、支护及排水、钢筋砼壁板防水抗渗、结构裂缝控制、砼浇捣与养护、建(构)筑物的高程控制以及建筑装修、工艺、机电设备安装、钢管焊接及预埋管件的高程控制等关键工序和技术要点作为质量控制点。其中,钢筋砼壁板防水抗渗、结构裂缝控制、建筑装修、工艺、机电设备安装、钢管焊接及预埋管件的高程控制又被列为质量控制点中的重点,并以跟踪检查和旁站监理提供保障,确保工程质量。

再则在各工序、分项工程开工前,及时提出施工单位应注意的问题,应控制的关键点;要求施工单位及时做好工序交底和技术交底,努力做好预控工作。

5、强调工序自检,同时坚持跟踪检查和抽检工作

在工程施工过程中,监理工程师强调承包单位严格工序自检,同时坚持做好跟踪检查和复验抽检工作。每道工序我们均要求施工单位先做好“三自检”工作,然后报验,上道工序未经检验通过,施工单位不得进行下道工序施工。

当然,我们更注意施工过程中的跟踪检查。通过跟踪检查,及时发现施工中存在的问题,并及时帮助施工单位分析和解决问题,避免出现大面积的返工。

抽检工作是我们控制工程质量的重要环节。说是抽检,其实除了要用仪器进行的检测项目外,大部分工序或分项工程我们进行的是全面检查。关键点,我们更是进行了数次复核。例如:在浇捣砼时,监理人员进入商品混凝土搅拌站,现场检查原材料,设备状况,并随机从微机中抽取配合比资料,以确保商品砼的质量;在施工单位每一次测量放线后,我们都及时进行了复核。

对于检查验收中不合规范要求,或偏差超出规范允许的范围,或偏差点数超过优良标准的工序,我们都坚决要求施工单位进行了返工或完善处理。因此,最后各工序抽检评定得分率均达到90%以上。

通过对各工序、分项工程施工质量的严格控制和把关,确保了整体工程的质量。从具有真实性和同步性的质量保证资料及砼的回弹抽检结果来看,工程结构的安全性达到设计要求;从各净水构筑物试水的结果来看,构筑物无渗漏现象,满足使用要求。

五、工序及分项、分部工程质量认证情况:

1.土方工程 抽查合格率 100% 合格

2.钢筋工程 抽查合格率 100% 合格

3.砼工程 抽查合格率 100% 合格

4.砌体工程 抽查合格率 100% 合格

5.楼地面工程 抽查合格率 100% 合格

6.门窗工程 抽查合格率 100% 合格

7.一般抹灰(室内) 抽查合格率 100% 合格

8.一般抹灰(室外) 抽查合格率 100% 合格

9.卷材防水 抽查合格率 100% 合格

10.外墙涂料 抽查合格率 100% 合格

六、单位工程质量综合评估

根据《给水排水构筑物施工及验收规范》GBJ141-90、《给水排水管道工程施工及验收规范》GB50268-97、《电气装置工程施工及验收规范》GB50254-96至GB50259-96、《建筑工程质量检验评定标准》GBJ301-88、《建筑安装工程质量检验评定标准》GBJ300-88、《市政管渠工程质量检验评定标准》CJJ3-90、《市政道路工程质量检验评定标准》CJJ1-90等有关验收规范及评定标准,结合各承包单位自检自评质量等级情况,以及监理工程师日常抽检核查情况,我们对宗关水厂改造工程清水库、泵房单位工程质量作出如下评估:

1、各分部工程、分项工程质量验收合格,达到优良标准。

2、经对承包单位施工技术资料、质量保证资料、质量验评资料及竣工图的审查,我们认为各项资料基本齐全,真实、完整,符合验收规范及验收标准的要求。

3、查验工程实物、外观检查和实测实量的结果显示,工程实物观感良好,观感质量评定为好。

4、质量受控状态及质量控制的结果显示,工程结构质量、结构安全达到设计要求,建(构)筑物无异常沉降和渗漏现象,满足使用要求。

依据有关验收规范及评定标准,结合各承包单位自检自评质量等级情况,以及监理工程师日常抽检核查情况,我们认为宗关水厂改造工程所包含的沉淀池、滤池、泵房及道路工程几个子单项工程的各分项工程、分部工程质量合格。各构筑物达到设计规模及标准,实现了合同约定的质量目标。

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