水井施工方案.docVIP

水井施工方案 水井施工方案提要：施工程序1、用ф273mm孔径开孔，钻至1~2m后下ф273mm孔口管，下入深度根据地质条件确定 更多精品源自制度 水井施工方案 水井施工可在施工场地平整后进行，错开泵房、水塔施工时间。 （1主要施工设备配置 需准备的主要设备、材料： 1、钻机：100m型钻机1台 2、水泵：250/50清水泵1台 3、深井泵1台：外径小于或等于ф150mm，扬程150-200m，排水量50-90m3/h。 4、3″钢管：数量根据含水层深度而定。 5、ф168mm钢管：数量根据含水层深度而定。 （2钻孔设计 钻孔深度：根据可利用水层深度而定，一般为20~50m。 钻孔孔径：孔口管段（~2m）为ф273mm、以下至可利用水层底板以下（1~2m）为ф244mm、再以下10~15m为ф150mm。 （3施工程序 1、用ф273mm孔径开孔，钻至1~2m后下ф273mm孔口管，下入深度根据地质条件确定。 2、用ф246mm的孔径往下钻进至可利用含水层底板以下1-2m，下入ф168mm带有若干ф4~6mm小孔的花管，花管长度根据含水层厚度而定。 3、在花管与钻孔之间填入粒径为ф6-10mm的砾砂，也可在花管上预做滤水器。 4、在花管上端与钻孔之间用水泥进行隔离封堵，待水泥强度达到40%（约7天）后，用ф146mm孔径把钻孔加深10-15m。 5、待钻孔打完洗好孔后，下入深井抽水泵及抽水管，在把抽水管与ф168mm管之间隙在孔口处封焊闭合。 Measures for the routine management of moral education in Middle SchoolsMethod of conventional management of moral education in middle schoolFirst, the guiding ideology:School moral education is an organic whole of the whole education work, always adhere to the school adhere to the moral education, education for this product, and actively promote the quality education, the school building efficient curriculum system of moral education, moral education, improve the sense of attraction and appeal, enhance the moral education work for through and timeliness. Teach everyone, service education and management education, and school moral education work must be with family education and community education closely together, to form a concerted pattern, and strive to create a good atmosphere for education, and to promote the all-round development of students, to establish a scientific moral education full of vigor the For long-term mechanism.Two, the goal of moral education:To guide the students to form the correct world outlook, outlook on life, values, to cultivate students unity and mutual assistance, honest and trustworthy, law-abiding, good quality, hard work, set a good XX students ideological quality, psychological quality and image quality. The formation of excellent mora