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� <br /> ' SECTION D — TECHNICAL SPECIFICATIONS . <br /> IRRIGATION SYSTEM <br /> � 4.1 SCOP'E OF WORK <br /> The scope of work covered by this soction of theae Specifications u�clude furnishing all labor,equipment, <br /> , and materials and performing all operations naxssaiy to install an nrigadon system at Ncerenberg <br /> Memorial County Parlc. The work includes�but is not limited to, installing the sprinklers,piping and <br /> related valves,control wiring,controller,and all other work specified. <br /> ' <br /> � 4.1.1 General <br /> , T6e general locadon of the project is given in the scope of wark ia Division 1. The location of <br /> sprinklea lines shown in the are appmximate and may be changed in the field as required by the <br /> ' Owners Representative. This Plan shall conform with the Site Grading Plan. <br /> It is essential that great cantion be taken to avdd disturbance of trees. The Contracta will <br /> , be mquired to coord.inate PiPinB routes with the Gac+dener w ensure that no tree damage occurs. <br /> 4.2 MAT'ERIAL.S <br /> ' 4.2.1 Polwir►vl Chlaride R�e and Fiuin�s(PVC7 <br /> � Smooth walled polyvinyl chlaride pipe and fittings shall conform with the requirements of ASTM <br /> D-3034 for the size,standard dimension iatio(SDR),and str�gth mquirements indicated on the <br /> , Contract Drawings and in tt�e Specificadons. The gra�e u9ed shall be resistant to aggressive soils <br /> or connsive substances in accordance with the requirements o�ASTM-D543. <br /> , All PVC pipe shall be Class 160, SDR 26. F'ittings shall be Plastiline Schedule 40, Type 2, <br /> normal impact,solvent weld,a a�roved equal. <br /> ' 4.2.2 Surinklers Heads <br /> Sprinklers heads shall be shall be gear-driven rotary,in-ground pop-up d�esign with number 15 <br /> ' nozzles as manufachued by the Toro Company or approved equal. Sprinklecs shall have stainkss <br /> steel sleeves and rea�action s�mngs. Heads shall be Series S-610 and S-700 types as shown in <br /> the Contract Drawings. <br /> , The Toro S-610 Series models shall be capable of covering 56 foet radius at 50 poands per <br /> square inch pressure with a discharge rate of 13.3 galbns per minute. The Toro 5-700 Sexies <br /> � . models shall be capable of covering SO feet radius at 50 pounds per square inch pressure with <br /> a discharge rate of 7.8 gallons per minute. <br /> ' <br /> ' <br /> TS-1 <br /> , <br />