轉發(fa)廣州市住房(fang)和城鄉建設(she)委員會(hui)關于《加強房(fang)屋(wu)建筑和市政基礎設(she)施工程混凝土試件標準養護管(guan)理的通知》政策解讀
一、修編目的
建(jian)(jian)筑(zhu)(zhu)材料質量(liang)是建(jian)(jian)筑(zhu)(zhu)工程(cheng)質量(liang)的核心(xin)要素,而混(hun)凝(ning)土質量(liang)更是直接關(guan)系到建(jian)(jian)筑(zhu)(zhu)工程(cheng)的主體結構安全。因(yin)此,對混(hun)凝(ning)土質量(liang)進(jin)行(xing)檢測是保(bao)障(zhang)建(jian)(jian)筑(zhu)(zhu)工程(cheng)質量(liang)的重(zhong)要手段,而混(hun)凝(ning)土標準養(yang)護(hu)(hu)試(shi)件(jian)的試(shi)壓強度亦是評判預拌混(hun)凝(ning)土質量(liang)的重(zhong)要依據。隨(sui)著(zhu)我國城鎮(zhen)化(hua)進(jin)程(cheng)的發(fa)展,尤其是保(bao)障(zhang)性住房(fang)(fang)、地(di)鐵軌(gui)道(dao)交通(tong)工程(cheng)等的大規模實施,混(hun)凝(ning)土使用量(liang)日漸增長(chang),為進(jin)一步(bu)加(jia)強混(hun)凝(ning)土質量(liang)的控制,保(bao)證混(hun)凝(ning)土標準養(yang)護(hu)(hu)試(shi)件(jian)的有效性和(he)真實性,故修訂《廣州市(shi)住房(fang)(fang)和(he)城鄉建(jian)(jian)設委員會(hui)關(guan)于(yu)加(jia)強房(fang)(fang)屋建(jian)(jian)筑(zhu)(zhu)和(he)市(shi)政基(ji)礎設施工程(cheng)混(hun)凝(ning)土試(shi)件(jian)標準養(yang)護(hu)(hu)管理的通(tong)知》(以下(xia)簡稱《通(tong)知》)。
二、《通知》的政策文件(jian)依據和(he)主要內容
《通知(zhi)(zhi)(zhi)》在國家和(he)省(sheng)的(de)(de)相(xiang)關(guan)規(gui)(gui)章和(he)政策(ce)的(de)(de)基礎(chu)上,結(jie)合廣州(zhou)市(shi)(shi)相(xiang)關(guan)規(gui)(gui)章規(gui)(gui)定對原(yuan)《通知(zhi)(zhi)(zhi)》進行了修(xiu)訂(ding)完善。本(ben)次修(xiu)訂(ding)主要(yao)以住(zhu)建(jian)(jian)部(bu)《房(fang)(fang)屋建(jian)(jian)筑工(gong)(gong)程和(he)市(shi)(shi)政基礎(chu)設(she)施(shi)工(gong)(gong)程實(shi)行見證(zheng)取(qu)樣和(he)送(song)檢的(de)(de)規(gui)(gui)定》(建(jian)(jian)建(jian)(jian)字(zi)〔2000〕211號)、《建(jian)(jian)筑業(ye)企業(ye)資(zi)質標(biao)準(zhun)》(建(jian)(jian)市(shi)(shi)〔2014〕159號)、《注冊建(jian)(jian)造師執(zhi)業(ye)工(gong)(gong)程規(gui)(gui)模》(建(jian)(jian)市(shi)(shi)〔2007〕171號)《廣州(zhou)市(shi)(shi)房(fang)(fang)屋建(jian)(jian)筑和(he)市(shi)(shi)政基礎(chu)設(she)施(shi)工(gong)(gong)程質量管(guan)理辦法》(穗府令〔2015〕129號)等法律法規(gui)(gui)及《混凝土(tu)結(jie)構工(gong)(gong)程施(shi)工(gong)(gong)質量驗(yan)收規(gui)(gui)范(fan)》(GB50204)、《混凝土(tu)強度(du)檢驗(yan)評定標(biao)準(zhun)》(GB/T50107)、《普(pu)通混凝土(tu)力學性能試驗(yan)方法標(biao)準(zhun)》(GB/T50081)、《預拌(ban)砂漿、混凝土(tu)及制品企業(ye)實(shi)驗(yan)室管(guan)理規(gui)(gui)范(fan)》(DBJ/T15-104-2015)等行業(ye)技術(shu)規(gui)(gui)范(fan)標(biao)準(zhun)規(gui)(gui)定為依(yi)據。《通知(zhi)(zhi)(zhi)》修(xiu)訂(ding)后對原(yuan)文有(you)較大幅(fu)度(du)調整,新增條例(li)3條,刪除4條,共修(xiu)改整理出十條。《通知(zhi)(zhi)(zhi)》主要(yao)內(nei)容有(you)以下幾方面:
(一)明(ming)確了我市納入混凝(ning)土試件標準養護(hu)管理的建設(she)工程類(lei)型;
(二(er)(er))規定了各(ge)類(lei)型(xing)工(gong)(gong)(gong)程(cheng)(cheng)混(hun)凝(ning)(ning)土(tu)試件標(biao)準(zhun)(zhun)養(yang)(yang)護管理標(biao)準(zhun)(zhun)。參(can)考《建(jian)(jian)(jian)(jian)筑業(ye)(ye)企業(ye)(ye)資(zi)質標(biao)準(zhun)(zhun)》(建(jian)(jian)(jian)(jian)市(shi)〔2014〕159號(hao))建(jian)(jian)(jian)(jian)筑工(gong)(gong)(gong)程(cheng)(cheng)施工(gong)(gong)(gong)總承包二(er)(er)級(ji)資(zi)質標(biao)準(zhun)(zhun)對(dui)(dui)企業(ye)(ye)工(gong)(gong)(gong)程(cheng)(cheng)業(ye)(ye)績(ji)要(yao)求(建(jian)(jian)(jian)(jian)筑面(mian)(mian)積10000平方(fang)(fang)(fang)米(mi)以(yi)上(shang)的(de)單(dan)體工(gong)(gong)(gong)業(ye)(ye)、民用建(jian)(jian)(jian)(jian)筑工(gong)(gong)(gong)程(cheng)(cheng)1項(xiang)(xiang))劃(hua)分(fen),結合《注冊建(jian)(jian)(jian)(jian)造師執業(ye)(ye)工(gong)(gong)(gong)程(cheng)(cheng)規模》(建(jian)(jian)(jian)(jian)市(shi)〔2007〕171號(hao))對(dui)(dui)大、中(zhong)(zhong)、小型(xing)項(xiang)(xiang)目的(de)劃(hua)分(fen)標(biao)準(zhun)(zhun),考慮其經(jing)濟成本,對(dui)(dui)建(jian)(jian)(jian)(jian)筑面(mian)(mian)積不(bu)超過10000平方(fang)(fang)(fang)米(mi)的(de)房屋(wu)建(jian)(jian)(jian)(jian)筑、軌(gui)道交通工(gong)(gong)(gong)程(cheng)(cheng)和小型(xing)市(shi)政基礎(chu)設(she)施工(gong)(gong)(gong)程(cheng)(cheng)等混(hun)凝(ning)(ning)土(tu)試件制作量(liang)較小的(de)工(gong)(gong)(gong)程(cheng)(cheng)項(xiang)(xiang)目,允許(xu)設(she)置(zhi)養(yang)(yang)護池。對(dui)(dui)超過10000平方(fang)(fang)(fang)米(mi)(含10000平方(fang)(fang)(fang)米(mi))的(de)房屋(wu)建(jian)(jian)(jian)(jian)筑、軌(gui)道交通工(gong)(gong)(gong)程(cheng)(cheng)和大、中(zhong)(zhong)型(xing)市(shi)政基礎(chu)設(she)施工(gong)(gong)(gong)程(cheng)(cheng)等混(hun)凝(ning)(ning)土(tu)試件制作量(liang)較大的(de)工(gong)(gong)(gong)程(cheng)(cheng)項(xiang)(xiang)目要(yao)求設(she)置(zhi)標(biao)準(zhun)(zhun)養(yang)(yang)護室或養(yang)(yang)護箱。
(三)明確(que)了混凝(ning)(ning)土(tu)標(biao)準養(yang)護(hu)(hu)(hu)試件(jian)制作(zuo)要(yao)求(qiu)。根據《普通混凝(ning)(ning)土(tu)力(li)學性能試驗方法標(biao)準》(GB/T50081),對于(yu)采(cai)用(yong)標(biao)準養(yang)護(hu)(hu)(hu)的(de)混凝(ning)(ning)土(tu)試件(jian),應在溫度為20±5℃的(de)環境中靜置一晝夜(ye)(ye)至(zhi)兩晝夜(ye)(ye),然后編號、拆(chai)模。拆(chai)模后應立即(ji)放入標(biao)準養(yang)護(hu)(hu)(hu)室(箱)或(huo)養(yang)護(hu)(hu)(hu)池養(yang)護(hu)(hu)(hu)。
(四)規定(ding)了(le)工程現場(chang)混(hun)凝(ning)土試(shi)件(jian)(jian)標準養護(hu)的管(guan)理(li)制度(du)。《通(tong)知》在完善了(le)建(jian)(jian)(jian)設工程項目(mu)參(can)建(jian)(jian)(jian)各單(dan)位的混(hun)凝(ning)土試(shi)件(jian)(jian)管(guan)理(li)職責基礎上,根據住建(jian)(jian)(jian)部《房屋建(jian)(jian)(jian)筑(zhu)工程和市政基礎設施工程實行見證(zheng)取樣和送檢的規定(ding)》(建(jian)(jian)(jian)建(jian)(jian)(jian)字〔2000〕211號),補充了(le)監(jian)理(li)單(dan)位對混(hun)凝(ning)土標準養護(hu)試(shi)件(jian)(jian)的取樣、制樣、養護(hu)、送檢的全過程監(jian)管(guan)要求(qiu)。
(五)補(bu)充(chong)完(wan)善芯片植入要求(qiu)。根據《廣州市(shi)房屋建筑和市(shi)政基礎設施工程質量管理(li)辦法(fa)》的規定增加了混凝土標準養護試件芯片植入的要求(qiu)。
(六)補充完(wan)善了預制(zhi)構配件(jian)(jian)試件(jian)(jian)的執行(xing)技術標準。預制(zhi)混(hun)凝土構配件(jian)(jian)的試件(jian)(jian)養護(hu)按廣東省住(zhu)房和(he)城鄉建設廳發布(bu)的《預拌砂(sha)漿(jiang)、混(hun)凝土及(ji)制(zhi)品企業實驗(yan)室管理(li)規范(fan)》(DBJ/T15-104-2015)規定執行(xing)。
三(san)、《通(tong)知》的意義
(一)《通知》從起(qi)草到現在已歷經近1年時間,經過了(le)多次調研,對(dui)外征求(qiu)意見,反復研討論(lun)證,結合廣州市(shi)實際,規(gui)定了(le)我市(shi)納入混(hun)(hun)凝(ning)土(tu)試件標(biao)準(zhun)(zhun)(zhun)(zhun)養護管理的建設(she)(she)(she)工程(cheng)類型、混(hun)(hun)凝(ning)土(tu)標(biao)準(zhun)(zhun)(zhun)(zhun)養護試件制作、養護標(biao)準(zhun)(zhun)(zhun)(zhun)和(he)(he)管理要求(qiu),明確(que)了(le)各級質量(liang)監督機構對(dui)混(hun)(hun)凝(ning)土(tu)標(biao)準(zhun)(zhun)(zhun)(zhun)養護試件管理的行政監管要求(qiu)等(deng),有(you)利于(yu)促(cu)進我市(shi)建設(she)(she)(she)工程(cheng)混(hun)(hun)凝(ning)土(tu)質量(liang)的監管和(he)(he)控制,提高混(hun)(hun)凝(ning)土(tu)強(qiang)度檢(jian)測(ce)的真實性(xing)和(he)(he)有(you)效性(xing),防范和(he)(he)遏制建設(she)(she)(she)工程(cheng)混(hun)(hun)凝(ning)土(tu)質量(liang)隱(yin)患(huan)的發生。
(二)《通知》的(de)制度切合實際(ji),各主體(ti)(ti)職責清晰,法律(lv)責任(ren)明確(que),多項條款的(de)內容(rong)規定比(bi)較具體(ti)(ti),可以得(de)到普遍遵守和執行。
廣州市住房和城(cheng)鄉(xiang)建設委員會
2018年07月25日 印(yin)發
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