交底内容：
1、本工程施工里程为K6+950~ K9+700，电力电缆桥架包括工字钢、支架及其配件组成，通信电缆桥架由工字钢、支架、有孔托盘及其配件组成。
2、K6+950~ K8+125参照设计图纸标准断面（一），K8+125~ K9+700参照设计图纸标准断面（二），电力仓和通信仓立柱均选用10号工字钢，K6+950~ K8+125每根工字钢长2.0m（非标准断面除外），K8+125~ K9+700每根工字钢长2.5m（非标准断面除外），单个支架宽度为550（电力支架荷载等级为D级：2.5KN/m，通信支架荷载等级为B级：1.5KN/m）。电力仓靠环外侧有5排，竖向每排间距为300~450，水平间距均为800，内侧有4排（自用暂时不做），竖向每排间距为450，水平间距均为800；通信仓靠内侧有6排，竖向每排间距为300，水平间距均为800。
3、预埋钢板凹入混凝土面≤3.0cm采用加垫钢板齐平墙面，周边与预埋钢板满焊，凹入混凝土面＞3.0cm采用加高钢板，横向加一块横肋，钢板厚度为2cm，均须与预埋钢板满焊，加高面与混凝土面齐平。
4、电缆支架、加垫（高）钢板采用Q235A钢，材质应符合《普通碳素结构钢技术条件》GB700标准要求，并符合《普通碳素结构钢冷扎钢带》GB716及《普通碳素钢、低合金钢薄钢板技术条件》GB912标准的有关规定。
5、固定支架的螺栓材质应符合《普通碳素结构钢技术条件》GB700标准中Q235A钢，铆钉等紧固件材料应符合《普通碳素钢铆螺用热轧圆钢技术条件》GB
Cards on the table contents:
1, this construction milestone for the K6 +950 ~ K9 +700, power cable tray include beams, brackets and accessories, communication cable bridge from the I-beam, bracket, with holes formed trays and accessories.
2, K6 +950 ~ K8 +125 design drawings and standard reference section (1), K8 +125 ~ K9 +700 design drawings and standard reference section (b), power storage and communications positions 10, I-beam columns are selected, K6 + 950 ~ K8 +125 of each I-beam length 2.0m (excluding non-standard section), K8 +125 ~ K9 +700 length of each I-beam 2.5m (excluding non-standard section), width of a single bracket 550 (the power bracket load rating for a D grade: 2.5KN / m, communication support load rating of B grade: 1.5KN / m). Power positions outside the ring has 5 rows, the vertical distance between each row 300 to 450, the level spacing are 800, the inside of row 4 (for personal use for the time being do not do), the vertical distance between each row of 450, the level spacing are 800; communications positions inside by 6 rows, the vertical distance between each row of 300, the horizontal spacing are 800.
3, embedded steel concave surface ≤ 3.0cm concrete plate flush with padded walls, surrounding and embedded steel full welded, recessed concrete surface> 3.0cm by heightening plate, add a horizontal transverse rib, steel thickness 2cm, shall be filled with the embedded steel plate welding, heightening surface flush with the concrete surface.
4, cable support, plus pad (high) Q235A steel plate used, the material should be consistent with "ordinary carbon structural steel technical conditions" GB700 standards and in accordance with "ordinary carbon steel cold rolling steel" GB716 and "ordinary carbon steel, low alloy steel sheet and technological conditions "GB912 standard requirements.
5 bolt fixation material should be consistent with "ordinary carbon structural steel technical conditions" GB700 standard Q235A steel, rivets and other fastening materials should be consistent with "ordinary carbon steel hot rolled round steel Heading technical conditions" GB