Attachment A - 2015-3-13_Samson Park Technical Specifications

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SAMSON OCEANFRONT PARK CITY OF SUNNY ISLES TECHNICAL SPECIFICATIONS IRRIGATION 02810-3 B. Pop-up spray heads shall be installed on PVC swing joints. 2.05 A. All sprinkler heads shall be as manufactured by Rainbird, Inc. or approved equal. The manufacturer shall guarantee all sprinklers and components for not less than one (1) year from installation, warranted against all defects in normal material and workmanship. SPRINKLER HEADS: B. Shrub Spray Heads (PA- Series) shall be of the fixed spray type designed for in ground installation. The sprinkler shall be capable of covering up to a fifteen-foot radius at 25 P.S.I. 1. The sprinkler shall be available with a 4-, 6-, or 12-inch (10-, 15-, or 30-cm) pop-up stroke, depending on the body specified, to bring the nozzle into a clean environment. The sprinkler shall have the option of either a factory-installed or field-installed drain check valve capable of checking up to 7 feet (2.1 m) in elevation change. When specified as factory-installed, the sprinkler shall have the words “CHECK VALVE” stamped in white lettering on the body cap. 2. The body of the sprinkler shall be constructed of corrosion and UV-resistant, heavy-duty A.B.S. The riser of the sprinkler shall be constructed of abrasion and UV-resistant A.B.S. and shall be adjustable for pattern alignment. The riser shall be compatible with female threaded nozzles and shall have a stainless steel spring for positive retraction when irrigation is complete. 3. The sprinkler shall have a factory-installed, removable flush cap with a pull-up tab that shall prevent debris from entering the sprinkler during installation and allow the system to be flushed before installing the nozzle. The flush cap shall have a directional flushing action that allows the water to escape only in one direction. The flush cap shall open as the stem extends and completely close when the stem is in the retracted position. C. Pop-up Spray Heads (1812 Series) Pop-up Spray Heads (6", 12” ): The sprinkler shall be Rainbird Series 1806 SAM, 1812 or approved equal meeting the following criteria: 1. The sprinkler shall be of the fixed spray type designed for in ground installation. The sprinkler shall be capable of covering 10-15 feet at 30 PSI. 2. The sprinkler shall contain a “ Seal a Matic” check valve to prevent low head drainage up to 10 feet of head. 3. The sprinkler shall have a plug which will prevent debris from clogging the sprinkler during installation and allow for the system to be flushed before nozzling. The plug shall be constructed of poly propelene material. 4. The sprinkle body, stem, nozzle and screen shall be constructed of heavy-duty, ultra-violet resistant plastic. It shall have a heavy duty stainless steel retract spring for positive pop-down and a ratcheting system for easy alignment of the pattern. 5. Coverage shall be either full or part circle. The part circle coverage shall be available in arcs of 90, 120, 180, 240, and 270 degrees or adjustable part circle. Also included shall be special patterns including an end strip and center strip nozzle configuration. All nozzles shall be of matched precipitation rate ( MPR). 6. The nozzle shall contain and accept the non-clogging 1800 series filter screen to allow for radius adjustment. The radius adjustment screw shall be of stainless steel. D. Pop-Up Rotary Heads: (Rainbird 5000 Plus Series or approved equal) 1. The full and part circle sprinkler shall be a single stream- water lubricated gear drive type capable of covering 37-47 feet at 45 psi at a discharge rate of 2 to 6 gpm. 2. The sprinkler shall have a flow shut-off device that is integrated to the flow path of the rotor and a adjustable arc coverage of 40 to 360 degrees. Arc adjustment shall be performed with or without the sprinkler in operation and shall require only a flat-blade screwdriver. 3. The sprinkler shall have a pressure activated multi-function wiper seal that positively seals against the pop-up stem to keep debris out of the rotor and to clean debris from the pop-up stem as it retracts. 4. The sprinkler shall have a screen installed in the pop-up stem to filter inlet water, protect the drive from clogging and to simplify removal for cleaning and flushing of the system.