橋面排水系統(tǒng)施工方案(存儲版)
【正文】 架搭設(shè)由于施工點較多，本工程采用門式移動腳手架。施工臨時用水、用電，可就近取用前期施工使用的水源點和電源點。箱梁施工時，在橋面、橋墩橫梁和地面相應(yīng)位置預(yù)留φ240/200mm孔。橋面集水井及鋼排水管等金屬管件防腐采用改性聚氨酯新型高分子防腐涂料涂裝；內(nèi)表面及外露表面防腐采用人工除銹，防腐涂料刷兩道底漆二道面漆，防腐層漆膜干厚度80～100μm。將場地內(nèi)雜物清理干凈，對于部分?jǐn)嗝嬉堰M行了中央花壇路面破除的施工，應(yīng)對場地進行平整處理。移動吊籃及可拆活動平臺每次轉(zhuǎn)場用吊車拆裝。B、安裝應(yīng)遵循先裝大口徑、總管、立管，后裝小口徑、分支管的原則。管道焊縫位置應(yīng)符合下列規(guī)定：A、直管段上兩對接焊口中心線間的距離，當(dāng)公稱直徑大于或等于150mm時，不應(yīng)小于150mm；當(dāng)公稱直徑小于150mm是，不應(yīng)小于管外徑。若發(fā)現(xiàn)有氣孔、裂紋等缺陷，應(yīng)將缺陷部位鏟除干凈，重新補焊后，方可焊下一層。（6）刷漆鋼管焊接、安裝完畢后，應(yīng)對焊接損傷處進行補刷防腐涂料，面漆應(yīng)選用和上部箱梁相近的顏色。各工序操作方法如下：（1）安裝準(zhǔn)備：熟悉圖紙，按設(shè)計要求和工程承包范圍，結(jié)合實際情況，繪制加工草圖。采用托吊架的要按坐標(biāo)、標(biāo)高、坡度等要求，先安裝好托吊架；然后將預(yù)制好的管件，按編號進行安裝。構(gòu)件到場后應(yīng)報監(jiān)理驗收，驗收合格后方可安裝，已變形的構(gòu)件不得安裝。B、調(diào)整好的鋼筋在初凝時間內(nèi)不得有任何擾動，否則將影響其錨固強度，初凝后方可進行下道工序施工。第五章 質(zhì)量保證措施:確立全優(yōu)工程為質(zhì)量目標(biāo)，精心組織，精心施工，積極貫徹“以質(zhì)量求榮譽、以質(zhì)量求發(fā)展”的質(zhì)量方針，切實做到“質(zhì)量第一”。確保各道工序的工程質(zhì)量。，文明施工專人負(fù)責(zé)管理。s mass line educational practice activities from 20** in January to 99 months, carried out at all levels of departments and directly affiliated institutions and grassroots party organizations. According to my actual County, the county to carry out the education practice put forward the following implementation , the overall requirementsCounty county education practice to the eighteen Party of eight, the spirit of the the third Plenary Session of the 18th CPC Central Committee as the guidance, conscientiously implement the spirit of general secretary Xi Jinping book series of important speech, earnestly implement the Central Committee really, opinions and advice , party implementing the guiding ideology of opinions to determine the objectives and requirements, step method, in accordance with the look in the mirror, dress up, wash bath, cure treatment, the general requirements of for the people pragmatic honest people as the theme, in carrying forward the spirit of Zhuanglang Zhuang, improve their work style, service to the masses of the people, the foundation of consolidating grassroots, promote transformation across efforts, to further implement the central eight regulations and The opposition party and government austerity waste regulations , double section provincial regulations, municipal provisions of the twelve plan and the implementation measures for on improving the work style of close ties with the masses law, highlight style building, carry out the whole wind spirit, resolutely oppose formalism, bureaucracy, hedonism and wasteful extravagance to solve the problems, Party members and cadres of the style and the masses of people strong, the Ministry of Party members and cadres to further improve their thinking and understanding, to further change the style of the wind, the masses to close, honest and pragmatic people honest image to further establish the foundation to further reinforce the basic level. Style of the building of the new results to promote the construction of a powerful force of the county and the ecological culture of the county and county educational practice activities of the unit is mainly: the county and below county departments under the organs, enterprises and institutions directly under the township, street, and munity, village, nonpublic economic organizations, social organizations and other grassroots organizations. Agencies and branches, each single unit, follow the rules on internal institutions. Educational practice with step by adhere to the county leadership, leadership and leading cadres to focus on outstanding catch to directly contact the service of the masses of law supervision departments and window units, service industry, educational practice, pay attention to grasp the
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