以内t6696.60556.40YT17-175圆钢避雷针制作2m以内t5979.24590.20避雷针制作——装在烟囱、水塔上YT17-176安装高度150m以内t598.8473.73YT17-177安装高度250m以内t613.6681.10避雷针制作——装在建筑物、构筑物上YT17-178平屋面上针长2m以内t546.9666.36YT17-179平屋面上针长5m以内t551.3567.02YT17-180墙上针长2m以内t535.5766.38YT17-181墙上针长5m以内t536.4467.25独立避雷针安装YT17-182针顶高18m以内基701.64315.70YT17-183针顶高24m以内基815.26356.29YT17-184针顶高30m以内基921.44392.37YT17-185针顶高40m以内基1074.81445.67YT17-186针顶高50m以内基1116.95465.15YT17-187针顶高50m以外基1217.09509.84装在构支架、独立支柱、独立墙上YT17-188水泥杆上根221.1250.96YT17-189钢结构上根24.1217.55避雷引下线敷设YT17-190利用金属构件引下m5.360.61YT17-191沿建筑物、构筑物引下m10.113.79YT17-192利用建筑物、构筑物主筋引下m7.012.76避雷带、网安装YT17-193沿混凝土块敷设m14.043.77YT17-194沿女儿墙、屋面敷设扁钢m13.803.40YT17-195沿女儿墙、屋面敷设圆钢m12.813.03YT17-196沿坡屋顶、屋脊敷设m19.756.27YT17-197均压环利用圈梁内主筋敷设m11.461.30屏蔽接地YT17-198阀厅控制楼屏蔽接地m2338.0772.82YT17-199建筑物屏蔽接地m211.142.80
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