* The technical operation of the installation:
- manipulation with flanges welded pipes and fittings with flanges:
Get a clean tube, pipe cutting paddy right size, with top flange welded tube, numb, first quail, sleeves, etc. linked assurance and good pressure (description flange according drawings and cross sections of the flange attached). Flange drilled hard carriage with the concentric holes on the flange and double, flange type used 2cm thick floating on the hit 0.5cm thickness of the flange so that the gain does not warp tensile pressed as hard carriage under pressure to ensure the NOC , does not leak out.
- manipulation with flanges welded steel numbness:
Retrieved sore throat numbness spot perpendicular to the branch for welding flanges and then reposition, then numb with flanges welded interlinked.
- welding operation quail and insect collection with posters:
Get marks identified with quail accuracy and welding so attached perpendicular to adjust the welding seeing achieve them together.
- Using M12 steel bolts, threaded bolts relatives of thick lace fireproof upholstery deep lace lace, bolts and screws black dragon buffer synchronized with bolts screws, bolts to tighten the screw when both hands, avoid constraints will damage the flange bolts do not sealed.
- Zoang rubber buffer two flanges achieve a minimum thickness of 5mm create elasticity and the pull of the flange molding, flanges will not leak out NOC.
- tools for construction must conform to the technical requirements allow. - the operation of welding: use 23kW AC electric welding machine and welding rod used carbon arc type. Welding rod type only 2 cups and 3 cups to Welding. Do not use the kind of small welding rod punctured tube. Welding Welding fish scales under the measures to ensure the fusion of steel and the material sealed metal structure. During the welding operation always check with the fusion of the weld material and welding to avoid typing a needle prick holes and weld shut born. Korea finished checking the welding can achieve the fineness of the Eastern Han Dynasty and reached maturity fusion of the material out loud, if not achieved, then welded. * legal Department head tube lace: to connect the pipe sections together through the sleeve, tee, elbows, turn, double, neglected ... the lace used hemp book , used antifouling paints, such measures for the branch pipe sprinkler systems have epilepsy D65mm. - pipe operation to start Couplings: set the material to lace impression measurement, set the correct pipe cutter click paddy. Turn pipe threading machine according to the type of epilepsy, while lace wrap so that the fineness of lace and the lace length is from 7 to 9 wrapped lace is steep. If not achieve the fineness wrapped lace and lace wrap shallow depth of the lace back next time. - Action to numb the quail lace Couplings: Get the threaded pipe tape and paint application on elbows swung so softly in lace are then used pliers to turn on the hands with the music. Van Ngoc not read again because alcohol will damage the tape and lace profile leaks lead to venom out. When finished assembling the pipe connectors with the entire pipeline alignment vertical, horizontal spirit level so that the stand is reached , pipe horizontal pipe stand perpendicular to the line connecting to each other through the union joint and then locate the hose pipe with pipe support for drilling suspension point increase-so he and pipe supports to achieve technical and installation requirements to the correct size throat Sprinkler design aesthetic and guarantee of work. - Use concrete drill drill positioning the optical surface with guns hanging pipe supports bolted to the total and concrete beams so that the pipeline is not warped. - When the installation is complete, the network layer conducting hydrostatic pump to check the tightness of threaded connections. - When the test is complete, if closed ensure checks the entire suspension tube so that safety, if there optical vibration then recaptured the hanging tubes for sure. b) Installation of fire equipment fire extinguishing equipment including sprinkler heads, nozzles create a curtain to prevent fire and fire-walled box gross. - Installation system of automatic nozzles and nozzle Srinkler create fire monitors the execution nh follows: + perform the works in the late stage of completion. + Remove the stopper D15 on copper in the nozzle installation position (the plugs have been installed to test the tightness and pressure testing copper systems). + Wrap the ice melts and jute, painted at the beginning of the nozzle sprinkler lace, creating screen fire hose. + Insert the nozzle into copper was waiting. + for the office sector, services, to ensure the aesthetics of the building, after the installation of fountains will mount the piece of ceiling to cover positions between the pipe openings and technical ceiling. + for sprinkler systems, after installation is complete sprinkler nozzles will implement safeguards to avoid broken nozzles. - installation of fire-walled box governor implemented in two stages: * phase 1: Installation of the device packaging contains: + reading done in parallel with the construction contractor's body. + Determine elevation, location of fire hydrants heart design. + Installation van fire on positions already waiting copper. + archbishop, adding fire cans under construction drawing. + Implement measures to protect packaging. * Phase 2: Installation of major equipment. + perform the complete works Read (gross baits Read paint finish). + List of cement, sand sticking to packaging. + red paint cans back to the required position. + when dry paint, installation
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