北京雨季施工方案

編號(hào)：XX市**少年宮工程 雨季施工方案編制人：審核人：批準(zhǔn)人：編制單位：目錄編制依據(jù)··············································································································································1工程概況··············································································································································1整體概況·······································································································1施工條件·······································································································1施工總體安排······································································································································1施工準(zhǔn)備·······································································································1機(jī)具、物資配置······························································································2組織機(jī)構(gòu)·······································································································3雨季主要施工方法······························································································································3回填土工程····································································································3塔吊基礎(chǔ)周圍排水···························································································4腳手架工程····································································································4砼工程·········································································································4鋼筋工程·······································································································5模板工程·······································································································5地下外墻防水工程···························································································5現(xiàn)場(chǎng)臨建·······································································································5現(xiàn)場(chǎng)臨時(shí)用電·································································································6預(yù)留洞口及后澆帶防雨·····················································································6機(jī)電施工·······································································································6技術(shù)質(zhì)量保證措施······························································································································7雨季施工材質(zhì)要求···························································································7防汛搶險(xiǎn)工作必須及時(shí)、有效············································································7安全措施··············································································································································7應(yīng)急預(yù)案··············································································································································8目的···········································································································8危險(xiǎn)源分析····································································································8應(yīng)急組織機(jī)構(gòu)及職責(zé)························································································8應(yīng)急響應(yīng)措施·································································································94.2.3土方回填,應(yīng)安排在晴天，并且連續(xù)進(jìn)行，盡快完成?；靥钸^(guò)程中，遇雨時(shí)，用塑料布覆蓋,防止雨水淋濕已夯實(shí)部分。雨后回填前認(rèn)真作好填土含水率測(cè)試工作，含水率較大時(shí)將土鋪開(kāi)晾曬，待含水率測(cè)試合格后方可回填。(最佳含水率通過(guò)標(biāo)準(zhǔn)擊實(shí)試驗(yàn)測(cè)定,詳見(jiàn)《施工試驗(yàn)方案》)2.4由于基坑較深，回填土需要一定時(shí)間，故回填前在回填面上每隔30米做一800×800×800mm(深)集水坑，兩側(cè)回填時(shí)留槎，并留出坡度，以便及時(shí)把雨水排出。塔吊基礎(chǔ)周圍排水三臺(tái)塔吊均座落于基坑內(nèi)，為了回填基坑土方,四周砌筑保護(hù)墻,保護(hù)墻高出地面500mm,高出地面部分用防水砂漿抹面,頂部用蓬布覆蓋嚴(yán)實(shí)。在基坑內(nèi)一角用磚砌（表面抹灰）一800×800×800mm（深）的集水坑，用污水泵及時(shí)將基坑內(nèi)積水抽走,以保證塔吊基礎(chǔ)下部土層不受雨水的浸泡而降低承載力。塔吊基礎(chǔ)排水圖詳見(jiàn)附圖-02。腳手架工程4.4.1外腳手架座落于回填土上，故必須保證回填土的質(zhì)量，同時(shí)立桿下墊通長(zhǎng)木方,并在木方下滿鋪碎石子，使重量均布于回填土上,在距腳手架外立桿外500mm處設(shè)一排水溝,及時(shí)將雨水排走,以免腳手架基礎(chǔ)被雨水浸泡造成地基沉陷。4.4.2現(xiàn)場(chǎng)專職安全員需在雨前檢查立桿墊木是否有效，回填土有無(wú)塌陷；雨后基礎(chǔ)有無(wú)沉陷,立桿有無(wú)下沉，腳手架有無(wú)變形，如有不正常之處，須迅速加以加固和修整。4.4.4上人馬道加上防滑條，做好防滑措施；馬道兩側(cè)加設(shè)300高擋腳板,同時(shí)加設(shè)不低于1.2米的安全護(hù)攔,立封密目安全護(hù)網(wǎng)。4.4.4大雨期間，不得進(jìn)行腳手架的搭設(shè)和拆除；大雨、大風(fēng)后應(yīng)及時(shí)對(duì)腳手架進(jìn)行檢查修理，有安全隱患的整改合格后方可投入使用。4.5腳手架防雷采用φ12圓鋼每三層每邊兩點(diǎn)與結(jié)構(gòu)防雷（或防雷帶）相焊接，且必須腳手架整體導(dǎo)電不間斷性（可在節(jié)點(diǎn)位置刮去鋼管漆來(lái)保證），腳手架搖測(cè)電阻不大于10。雨前認(rèn)真檢查腳手架的防雷接地，對(duì)不符合處從速進(jìn)行修補(bǔ)，避免遭受雷擊。4.5砼工程砼澆筑盡量避開(kāi)雨天,如遇下雨,應(yīng)采取如下措施：4.5.1墻、底板砼澆筑中遇到大雨時(shí)，，將已澆筑的砼振搗密實(shí)（留好接搓）后用塑料布覆蓋，并將塑料布綁扎牢固,防止被風(fēng)吹走。4.5.2頂板砼澆筑遇大雨時(shí)，及時(shí)留置施工縫，邊澆筑邊振搗密實(shí)（用抹子抹平），同時(shí)用塑料布覆蓋,嚴(yán)禁砼內(nèi)的水泥漿流失，澆筑到位后立即停止?jié)仓?.5.3如遇小雨時(shí)及時(shí)振搗抹壓和覆蓋，保證水泥漿不流失。5.4本工程采用商品砼，為把好砼質(zhì)量關(guān)，定期派人去攪拌站檢查其砂、石堆料場(chǎng)，水泥倉(cāng)庫(kù)，檢查砂、石的含泥量，水泥的防雨情況。嚴(yán)禁將含泥量超標(biāo)的砂、石和失效的水泥用于本工程中。4.6鋼筋工程4.6.1現(xiàn)場(chǎng)鋼筋堆放應(yīng)墊高，以防鋼筋泡水銹蝕。鋼筋原材堆放在磚砌地壟上；鋼筋半成品應(yīng)堆放在墊高的木方上。4.6.2遇雨時(shí),用塑料布或彩條布臨時(shí)加以遮蓋；雨后鋼筋視情況進(jìn)行除銹處理，不得把銹蝕嚴(yán)重的鋼筋用于結(jié)構(gòu)上。6.3下雨天避免鋼筋焊接施工，以免影響施工質(zhì)量。4.7模板工程4.7.1大雨、大風(fēng)后對(duì)模板架子等要及時(shí)檢查:扣件有無(wú)松動(dòng)滑移、架子和模板有無(wú)變形、地基有無(wú)沉陷等現(xiàn)象。檢查完成后要及時(shí)修復(fù)，確定無(wú)安全隱患后方可繼續(xù)使用。4.7.2大雨、大風(fēng)時(shí)，禁止進(jìn)行大模板（框架柱定型鋼模）吊裝就位施工作業(yè)。已就位的大模板的對(duì)拉螺栓連接要牢固,模板支撐要穩(wěn)定。4.7.3大模板（框架柱定型鋼模）堆放場(chǎng)所要及時(shí)檢查，檢查架子的穩(wěn)定性，以防整體因雨淋地基下沉而失穩(wěn)傾倒及大鋼模的穩(wěn)定(自穩(wěn)角為60～80°),以防風(fēng)大而傾倒。4.7.4制作模板的多層板和木方要堆放整齊，而且須用塑料布覆蓋防雨。7.5支立好的頂板模或墻模，如遇大雨未澆筑砼，應(yīng)進(jìn)行遮蓋，防止因雨淋而造成脫模劑的失效。雨后要認(rèn)真檢查其平整度、垂直度和脫模劑附著情況，合格后方可澆筑砼。4.8地下外墻防水工程4.8.1地下外墻防水層施工不得在雨天進(jìn)行。4.8.2雨季施工地下外墻防水層，確?；鶎颖砻鎽?yīng)保持干燥，含水率不大于9%（檢測(cè)方法為：下午2：00，將1m2卷材平鋪在找平層上，靜置3～4小時(shí)，掀開(kāi)檢查覆蓋部位，找平層未結(jié)露，卷材未見(jiàn)水?。?。8.3雨后施工防水時(shí)應(yīng)將地下外墻防水基層認(rèn)真清理干凈，檢查周圍的施工環(huán)境是否滿足要求，特別是邊坡的穩(wěn)定情況。4.9現(xiàn)場(chǎng)臨建4.9.1檢查辦公室、宿舍及料庫(kù)屋面有無(wú)漏雨現(xiàn)象，對(duì)漏雨的部位及時(shí)修理完好。4.9.2室外地面全面硬化，道路場(chǎng)地等排水坡向正確、排水溝暢通無(wú)阻，確保施工現(xiàn)場(chǎng)無(wú)積水。4.9.3檢查食堂、廁所等的排水溝，及時(shí)疏通污水管道。4.9.4大雨來(lái)臨前要清理糞坑，避免糞坑因大雨襲擊而溢出。4.9.5雨季來(lái)臨前，對(duì)現(xiàn)場(chǎng)的庫(kù)房等作好地面加高處理，對(duì)于受潮易損物品制定專項(xiàng)保護(hù)措施（架空或覆蓋保護(hù)）。9.6雨天時(shí)，要檢查生活區(qū)宿舍基礎(chǔ)周圍有無(wú)積水，積極采取增設(shè)排水溝等措施保證其排水通暢，確保宿舍地基不下沉。4.10現(xiàn)場(chǎng)臨時(shí)用電4.10.1供電線路，不能直埋的一定要架空，室外的配電箱、電焊機(jī)和機(jī)械設(shè)備搭設(shè)防雨棚。值班電工要經(jīng)常檢查現(xiàn)場(chǎng)電氣設(shè)備的接地，接零保護(hù)裝置是否靈敏有效。雨季使用的電氣設(shè)備應(yīng)采用雙重保護(hù)措施──漏電保護(hù)和絕緣保護(hù)，及時(shí)檢查電線絕緣是否良好，接頭是否包好，禁止電線浸泡在水中。4.10.2在潮濕和易觸及帶電體場(chǎng)所的照明電源不得大于24V;在特別潮濕的場(chǎng)所或金屬容器內(nèi)工作的照明電源電壓不得大于12V；手持燈的電源線不得使用塑料線。4.10.3塔司班前必須檢查機(jī)身是否帶電，漏電裝置是否靈敏有效，各種操作機(jī)構(gòu)是否靈活、安全可靠；塔司每次下班后，須關(guān)好駕駛室門窗，切斷配電箱內(nèi)電源開(kāi)關(guān)，關(guān)好箱門上好鎖。10.4遇大暴雨或五級(jí)以上強(qiáng)風(fēng)等惡劣天氣，應(yīng)停止起重。4.11預(yù)留洞口及后澆帶防雨4.11.1±0.00處沒(méi)有封閉的大于1000m的預(yù)留洞口，在洞口四周用磚砌墻，高出結(jié)構(gòu)面300mm，墻身四周抹水泥砂漿。用鋼管搭架高度為1.0米，并間隔300mm用紅、白油漆刷好（并且內(nèi)掛密目安全網(wǎng)），覆蓋鐵皮瓦防雨，防止雨水流入地下室。4.11.2±0.00樓層處小于1.0米的洞口用預(yù)制板封蓋，四周用水泥砂漿封堵，避免雨水從這些洞口留入地下室。11.3未澆筑混凝土的后澆帶，為避免泥漿和雜物等流入，并雨水銹蝕鋼筋，在兩側(cè)砌一皮灰砂磚，上面鋪木膠合板并覆蓋塑料布防雨。為防止竹膠板的移動(dòng)，在板上固定一木方。4.12機(jī)電施工4.12.1設(shè)備預(yù)留孔洞做好防雨措施。如施工現(xiàn)場(chǎng)地下部分設(shè)備已安裝完畢，要采取措施防止設(shè)備受潮、被水浸泡。4.12.2現(xiàn)場(chǎng)中外露的管道或設(shè)備，應(yīng)用塑料布或其它防雨材料蓋好。室外電纜中間頭、終端頭制作應(yīng)選擇晴朗無(wú)風(fēng)的天氣，油浸紙絕緣電纜制作前須搖測(cè)電纜絕緣及校驗(yàn)潮氣，如發(fā)現(xiàn)電纜有潮氣浸入時(shí)，應(yīng)逐段切除，直至沒(méi)有潮氣為止。4.12.3敷設(shè)于潮濕場(chǎng)所的電線管路、管口、管子連接處應(yīng)作密封處理。5.技術(shù)質(zhì)量保證措施5.1雨季施工材質(zhì)要求雨季施工用材料必須有出廠質(zhì)量證明、說(shuō)明書等資料，特殊材料必須具備北京市建委頒發(fā)的材料準(zhǔn)用證。5.2防汛搶險(xiǎn)工作必須及時(shí)、有效防汛值班人員在值班期間，嚴(yán)守紀(jì)律不得擅自離崗，發(fā)現(xiàn)汛情及時(shí)向總指揮匯報(bào)，以便盡快采取各種防范措施，及時(shí)調(diào)動(dòng)搶險(xiǎn)人員到位。出現(xiàn)訊情緊急情況時(shí)防汛人員必須堅(jiān)守崗位，查清險(xiǎn)情，同時(shí)向上級(jí)有關(guān)領(lǐng)導(dǎo)和防汛部門匯報(bào)情況。按現(xiàn)場(chǎng)搶險(xiǎn)有關(guān)要求馬上組織搶險(xiǎn)工作，力爭(zhēng)把災(zāi)害降到最低限度。搶險(xiǎn)過(guò)程中必須認(rèn)真服從指揮人員的統(tǒng)一指揮，并統(tǒng)一調(diào)配搶險(xiǎn)過(guò)程中所需使用的物資用品。6.安全措施6.1加強(qiáng)現(xiàn)場(chǎng)施工人員的勞保工作，大雨天氣不得露天作業(yè)，小雨天氣穿雨衣、雨靴、雨鞋。電氣操作人員，必須穿絕緣鞋和戴絕緣手套6.2雨天，停止外腳手架的搭設(shè)與拆除等施工作業(yè)。6.3組織專人定期檢查基坑四周的護(hù)坡情況，并做好記錄，如有邊坡裂縫等可能出現(xiàn)塌方的現(xiàn)象，及時(shí)報(bào)告有關(guān)部門，以便及時(shí)采取有效措施。6.4雨天停止開(kāi)挖基槽和基坑，對(duì)已開(kāi)挖的須立即進(jìn)行可靠的支撐防護(hù)，防止塌方。6.5塔機(jī)、腳手架按標(biāo)準(zhǔn)安裝避雷裝置，并確保完好、有效。6.6大雨來(lái)臨前，須清理外腳手架上的用具和其它物件；大雨后，應(yīng)對(duì)塔基、道路和外腳手架等進(jìn)行全面檢查，確認(rèn)無(wú)沉陷和松動(dòng)后方可使用。6.7電氣焊應(yīng)嚴(yán)格按照有關(guān)標(biāo)準(zhǔn)規(guī)定進(jìn)行操作，防止觸電事故發(fā)生，定期檢查機(jī)電設(shè)備的運(yùn)行情況和檢修情況，確保機(jī)電設(shè)備的正常運(yùn)行安全。6.8防汛搶險(xiǎn)器材不得挪作它用。6.9雨季要定期進(jìn)行塔吊垂直度觀測(cè)，并做好記錄；雨后要及時(shí)進(jìn)行塔吊垂直度觀測(cè)，如偏差較大時(shí)，應(yīng)停止使用，并及時(shí)通知相關(guān)單位和部門進(jìn)行處理。7.應(yīng)急預(yù)案7.1目的建立“集中領(lǐng)導(dǎo)、統(tǒng)一指揮、結(jié)構(gòu)完整、功能全面、反應(yīng)靈敏、運(yùn)轉(zhuǎn)高效”的應(yīng)急反應(yīng)體系，遵循團(tuán)結(jié)協(xié)作和局部利益服從全局利益、下級(jí)服從上級(jí)的工作原則，統(tǒng)一指揮、分級(jí)負(fù)責(zé)。從切實(shí)保障人民生命財(cái)產(chǎn)安全，最大程度的減輕災(zāi)害損失和成功舉辦2008奧運(yùn)會(huì)的需要出發(fā)，有效防御災(zāi)害性洪水，規(guī)范防汛抗洪程序，根據(jù)《中華人民共和國(guó)防洪法》和《中華人民共和國(guó)防汛條例》規(guī)定，結(jié)合施工現(xiàn)場(chǎng)防汛工作的實(shí)際情況，制定本預(yù)案。7.2危險(xiǎn)源分析雨季施工主要是基礎(chǔ)肥槽回填土及地上結(jié)構(gòu)施工，由于現(xiàn)場(chǎng)面積較大，現(xiàn)場(chǎng)料具堆放較多，現(xiàn)場(chǎng)排水系統(tǒng)距離市政管線較遠(yuǎn)，雨量過(guò)大時(shí)，現(xiàn)場(chǎng)排水對(duì)基坑邊坡將造成較大威脅。7.3應(yīng)急組織機(jī)構(gòu)及職責(zé)7.3.1公司防汛指揮機(jī)構(gòu)總指揮：副總指揮：、、成員：工程技術(shù)部、綜合辦公室、物資采購(gòu)部指揮機(jī)構(gòu)職責(zé)：組織學(xué)習(xí)和貫徹國(guó)家及地方有關(guān)消防法律、法規(guī)，督促制定執(zhí)行各種防汛規(guī)章制度。定期召開(kāi)防汛工作會(huì)議，研究、布置、檢查防汛工作。組織防汛檢查。指導(dǎo)現(xiàn)場(chǎng)防汛工作，負(fù)責(zé)防汛事故的處理工作，對(duì)現(xiàn)場(chǎng)防汛工作做決策。7.3.2公司防汛指揮部辦公室設(shè)在工程技術(shù)部：主任：成員：、、、、聯(lián)系電話：汛期期間，公司設(shè)值班人員輪流值班。7.3.3項(xiàng)目經(jīng)理部組織機(jī)構(gòu)項(xiàng)目部成立應(yīng)急救援指揮部，并設(shè)總指揮和副總指揮，下轄三個(gè)救援分隊(duì)。總指揮：副總指揮：應(yīng)急救援一分隊(duì)負(fù)責(zé)人：應(yīng)急救援二分隊(duì)負(fù)責(zé)人：應(yīng)急救援三分隊(duì)負(fù)責(zé)人：職責(zé)總指揮：負(fù)責(zé)協(xié)調(diào)救援分隊(duì)及相關(guān)單位應(yīng)急救援活動(dòng)的關(guān)系；有權(quán)向業(yè)主應(yīng)急指揮中心報(bào)告并發(fā)布疏散周圍作業(yè)人員的命令；宣布應(yīng)急救援工作結(jié)束。副總指揮：全面協(xié)助總指揮的各項(xiàng)工作。其中包括現(xiàn)場(chǎng)救援指揮、救援人員調(diào)度、救援資源的有