工程监理细则(国外英文资料).doc

工程监理细则(国外英文资料) Detailed rules for the supervision of water supply and drainage Outdoor water supply engineering Check the quality certificate of various pipes and valves to ensure that unqualified materials and equipment are not allowed to enter the scene. 2) the coordinate and elevation of the water pipes should comply with the design requirements, and the coordinate allows the deviation to be no greater than 50mm, and the elevation tolerance should not be greater than 30mm. The grooves of the water pipes, the height of the trough, the width, the width and the slope should meet the design requirements. Welding of welded steel pipe shall conform to the design specification, and the welder shall have the welding certificate. The ground steel pipe, the open steel tube and the metal stents shall be treated respectively for preservation and painting. The structure of the socket and the used packing of the feedwater cast-iron pipe shall conform to the design requirement and construction specification. 7) pipeline foundation should be used according to the design requirements of natural foundation, the sand, concrete pile foundation or basis, such as the design requirements, should according to the actual situation, using the basis of the rational form. Water piping shall not be carried through sewage structures, and the vertical and horizontal spacing of pipes and sewage pipes shall conform to the design and construction specifications. The test pressure of the water pipeline should not exceed 1000 meters, the experimental pressure and permit penetration should conform to the acceptance specification and fill in the record of the hidden project acceptance. 10) flushing should be disinfected water supply pipe installation is completed, after water rinse, in-line water 24 hours, by the construction unit for water testing, testing is not qualified disinfection, such as unqualified, it must be disinfected. The requirement of backfilling of the channel of feed water pipe can