Steel flange The steel flanges for stub end must be manufactured and jointed according UNI-EN 1092. Steel flanges shall be supplied with all connecting components: bolts, nuts, washers, gasket. The shape, dimensions and sizes of all the flanges shall be as shown on drawings. Special flanged HDPE T-piece The special flanged T-piece will be used to construct hydrants as is indicated in drawings. The connection to the HDPE pipeline is by but welding. Material will be HDPE 100. The flanged branch of T-piece will be of in diameter and will be used for connection to the flanged hydrant riser of in diameter. The flange material shall be of HDPE 100 or Steel. Special flanged pipes The flanged steel pipes must be manufactured in according clause 5.2.2.2 of General TS. Pipes shall be welded to steel flat flanges, according UNI-EN 15614-1. Double flanged pipes for hydrant risers The flanged steel pipes must be manufactured in according clause 5.2.2.2 of General TS. Pipes shall be welded to steel flat flanges, according UNI-EN 15614-1. The diameter of pipe will be of . Flanges will be attached by welding to both end of the pipe. The length of riser shall be at least above the ground level. On top of the hydrant riser the hydrant valve and a signaling rod will be installed as indicated on the drawings. Drawings, Method of manufacturing and Connection to the underground pipes shall be approved by the Engineer before ordering. Special hydrant valve The hydrant valves will be of or in diameter as indicated on drawings. Material can be of HDPE 100 or steel or aluminum. The hydrant valve shall be approved by the Engineer before ordering. Sample of hydrant valves and connection to the irrigation equipment shall be submitted to the Engineer, for approval. The special hydrant valve will be installed on top of hydrant risers and will be used for connecting irrigation equipment. The irrigation equipment will be provided by water users. The irrigation equipment will be provided with adequate valve connection and will allow opening the hydrant valves. The hydrant valve shall be of NP 10 and will be provided with adequate gasket to provide water tightness while in close position. Hydrant
Steel flange The steel flanges for stub end must be manufactured and jointed according UNI-EN 1092. Steel flanges shall be supplied with all connecting components: bolts, nuts, washers, gasket. The shape, dimensions and sizes of all the flanges shall be as shown on drawings. Special flanged HDPE T-piece The special flanged T-piece will be used to construct hydrants as is indicated in drawings. The connection to the HDPE pipeline is by but welding. Material will be HDPE 100. The flanged branch of T-piece will be of in diameter and will be used for connection to the flanged hydrant riser of in diameter. The flange material shall be of HDPE 100 or Steel. Special flanged pipes The flanged steel pipes must be manufactured in according clause 5.2.2.2 of General TS. Pipes shall be welded to steel flat flanges, according UNI-EN 15614-1. Double flanged pipes for hydrant risers The flanged steel pipes must be manufactured in according clause 5.2.2.2 of General TS. Pipes shall be welded to steel flat flanges, according UNI-EN 15614-1. The diameter of pipe will be of . Flanges will be attached by welding to both end of the pipe. The length of riser shall be at least above the ground level. On top of the hydrant riser the hydrant valve and a signaling rod will be installed as indicated on the drawings. Drawings, Method of manufacturing and Connection to the underground pipes shall be approved by the Engineer before ordering. Special hydrant valve The hydrant valves will be of or in diameter as indicated on drawings. Material can be of HDPE 100 or steel or aluminum. The hydrant valve shall be approved by the Engineer before ordering. Sample of hydrant valves and connection to the irrigation equipment shall be submitted to the Engineer, for approval. The special hydrant valve will be installed on top of hydrant risers and will be used for connecting irrigation equipment. The irrigation equipment will be provided by water users. The irrigation equipment will be provided with adequate valve connection and will allow opening the hydrant valves. The hydrant valve shall be of NP 10 and will be provided with adequate gasket to provide water tightness while in close position. Hydrant
IFB-PP6-THVAP-W-CB-03-3-Lot-3-Works-on-Puhaceni-CIS-Section-IX-Particular-TS.docx