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IEGEND <br />Gj <br />I <br />V) <br />V) <br />U_ <br />U_ <br />SECTION ('_A� <br />SCALE: 1/2" W 1' M452-02 M600-04 <br />SECTION <br />SCALE: 1/2° = 1 <br />sym ( REVISION BY I APPROVED DATE SYM <br />ORIG PIW UPGRADES ADDENDUM A J# 20808468 KJ JMF 01.25.21 <br />D� <br />SCALE: 1/2" 1` M462' 021 M600-04 <br />SECTION <br />SCALE: 1/2" = 1 <br />ACCEPTABILITY <br />THIS DESIGN AND/OR <br />SPECIFICATION IS APPROVED <br />APPROVED BY DEPT. <br />I <br />I <br />I <br />ATE SUBTITLE <br />02.14.20 <br />02.14.20 <br />TITLE <br />02.14.20 <br />02.14.20 <br />0 <br />CONSTRUCTION NOTES <br />SUPPORT PIPING 6Y HANGERS FROM FLOOR BEAMS. <br />ROUTE 2" DRAIN LINE WITH MINIMAL BENDS AND NO <br />LOW POINTS. CONNECT TO EXISTING 4° DRAIN LINE. <br />3 REROUTE FIRST PORTION OF EXISTING DRAIN LINE AS <br />NEEDED FOR NEW PIW LINES. <br />4 PROVIDE NEW 4" VALMATIC FOOT VALVES, SUPPORT <br />PIPING AND VALVES SO THE BOTTOM OF VALVE <br />STRAINER IS 3" ABOVE SUMP FLOOR PER MFG. CENTER <br />VALVES IN STAINLESS STEEL SUCTION STRAINER BOX <br />WITH MINIMUM OPEN RATIO OF 10:1 FOR 4" DIAMETER <br />PIPING OR 3.6:1 FOR 109H DIAMETER PIPING, <br />HYDRASEARCH MODEL 10-SSB OR EQUAL, <br />EXTEND ALL NEW PIW LINES TO 2499 ABOVE SUMP <br />FLOOR. <br />6 CORE DRILL THROUGH EXISTING MALL AS NEEDED TO <br />ROUTE NEW PIPE AND SEAL USING EPDXY GROUT, <br />%, ALL SUPPORTS IN PLENUM SHALL BE 304L SS. <br />CURRENT REVISION SY DATE <br />20808468 04.30.21 <br />SHED` <br />I <br />