Matters needing attention.docVIP

Matters needing attention A, before rinsing to rinse solution, advance notice about the main water user. B, before rinsing check rinse water will affect the safety of the Yangtze river ships, assign personnel to safety monitoring in the process of washing. 8.3.1.10 pipeline anticorrosion Pipe production is completed on the internal and external anti-corrosion, set aside 100 mm so that the welding pipe jacking pipe end each joint well before after welding pipe jacking, after the interface corrosion in pipe jacking. Pipeline corrosion protection work in strict accordance with the construction requirements and design drawing standards. And approved by the owner, supervision, the local quality inspection departments qualified. 8.3.2 pile foundation construction Lower water head by six spacing for 5 m steel tube hole perfusion column, steel pipe for Φ 600 * 12 * 27419 mm, a total of 6, set the upper Φ 12 x 600 x 600 mm (adjustment) of steel pipe pile, steel pipe pile location after watering C25 concrete in steel pipe, steel pipe pile and steel pipe into the hole perfusion with flange connection between column. Underwater laying part there are 5 sets of (every 2 a) Φ 12 x 600 x 600 mm steel pipe piles, each steel pipe pile is composed of two D600 x 12 steel pipe pile, at 6.1 m set fittings between the two pipe pile. Upper pipe pile setting adjustment section, section and pile flange connection. Adjust the upper section set I40 beams, header, end plate and pipe groove, pipe falls within the tube slot, and pipe clamp fixed beams. Steel pipe pile location after watering C20 concrete in steel pipe. Steel pipe before pile driving after cleaning brush chlorosulfonated polyethylene, primer, intermediate paint, paint all along. Immediately after the pile foundation engineering of a construction project organization construction, because it is the key to restrict water head installed. Set a pile driving operation team. Before the construction need to quote the detailed cons