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B GRHBNBUSCH GROUP, INC <br />do n xo <br />DDC Al SUPPLY TEMPERATURE <br />TO/FROM BOILS u u <br />B-1 BB-2 <br />/ LJ <br />AS-1 • I <br />/ BFP-1 MAKE-UPBO <br />ILFR <br />WATER ETA L SF-1 <br />TO 'C' TO 'B' g / <br />SEE M4.0 TYP <br />/ TO DOMESTIC WATER / <br />E BT-1 <br />/ (RELOCATE) �I / <br />2)j_HHWR _ 3"HWR/ / 3HWR <br />MF1 <br />FROM 'B' FROM <br />Il <br />P=1 <br />DDC AI RETURN TEMPERATURE <br />DDC AI SUPPLY PRESSURE <br />GATE VALVE <br />TRIPLE DUTY VALVE <br />FLEXIBLE CONNECTION FLEXIBLE CONNECTION <br />PRESSURE GAUGE <br />GAUGE ISOLATION VALVE, TYP <br />AIR VENT VALVE <br />SUCTION DIFFUSER W/ STRAINER <br />CONCRETE INERTIAL BASE DRAIN VALVE <br />SPRING ISOLATORS BLOW -OFF VALVE <br />CONCRETE HOUSEKEEPING PAD ­ 0 <br />GATE <br />G <br />V <br />NOTE: BOILER PUMPS ARE <br />INSTALLED IN VERTICAL PIPING. <br />LVE <br />-2 <br />(J_� BOILER ROOM FLOW DIAGRAM J2_'� BASE MOUNTED PUMP INSTALLATION (3� INLINE PUMP INSTALLATION <br />M4.0 SCALE: NTS M4.0 SCALE: NTS M4.0 SCALE: NTS <br />EXISTING MANUAL AIR VENT TO REMAIN; <br />EXISTING MANUAL AIR VENT <br />EXISTING UNIT VERIFY AIR VENT IS OPERATION AND <br />VENTILATOR COIL INFORM CLIENT IF INOPERABLE <br />NEW 2-WAY CONTROL VALVE. DETAIL NOTE: UNION (TYP) <br />SEE CONTROL VALVE SCHEDULE NEW 2-WAY MODULATING CONTROL OFFSET FLUE AND COMBUSTION AIR <br />VALVE; SEE CONTROL VALVE SCHEDULE HORIZONTALLY AS REQUIRED TO AVOID NEW CONTROL VALVE <br />EXISTING MANUAL AIR VENT TO ROOF/CEILING STRUCTURAL MEMBERS. <br />NEW MANUAL CIRCUIT REMAIN. VERIFY OPERATION. NEW MANUAL CIRCUIT SETTER VALVE BOILER LOOP SUPPLY <br />SETTER VALVE INFORM CLIENT IF INOPERABLE <br />CHECK VALVE NEW CIRCUIT SETTER <br />NEW BALL VALVE (TYP)7 2-PSI TO 7-11"WG PRV, BOILER LOOP RETURN EXISTING <br />VENT FULL SIZE TO EXTERIOR <br />I <br />• — — — — — � SUPPLY AND APPLIANGE REGULATOR � <br />RETURN PIPING <br />EXISTING ISOLATION VALVES TO <br />REMAIN. VERIFY OPERATION. TO CRAWL FLUE SHUT-OFF VALVE, TYP <br />I� NEW STRAINER SPACE R <br />INFORM CLIENT IF INOPERABLE COMBUSTION <br />UNION (TYP) WITH DRAIN VALVE <br />AIR PRESSURE AND TEMPERATURE EXISTING NEW ISOLATION VALVES <br />NEW PETE'S PLUG NEW HOSE END TEST VALVE, TYP UNIT HEATER <br />UNION (TYP) WITH CAP <br />EXISTING <br />PRESSURE GAUGE (TYP) S <br />RADIATION COIL I� <br />EXISTNG j THERMOMETER (TYP) NEW STRAINER <br />CONVECTOR/RADIATION UNION (TYP) <br />CABINET REMOVE EXISTING CONTROL STRAINER <br />BB1 B=2 <br />VALVE, CIRCUIT SETTER DRAIN VALVE <br />j STRAINER AND ISOLATION PUMP (BP-1 OR SP-2) <br />VALVES LOCATED IN BASEMENT TEST PORT (TYP) <br />OR CRAWL SPACE AND REPLACE REMOVE EXISTING 3-WAY CONTROL 4" HOUSEKEEPING J <br />WITH STRAIGHT PIPING TO VALVE, CIRCUIT SETTER, STRAINER PAD <br />MATCH EXISTING AND INSULATE. AND ISOLATION VALVES LOCATED <br />REPLACE ANY DAMAGED OR IN CRAWL SPACE AND REPLACE CONVERT TO BOILER CONNECTION SIZE,TYP <br />S AING <br />SPACE OR BASEMENT EXISTING STRAIGHT <br />INSULATE REPLACE <br />AREA <br />A INSULATION NIEM HECRAAWLSPACE <br />EXISTING CONVECTORIRADIATION COIL PIPING DIAGRAM <br />M4.0 SCALE: NTS <br />INPUT TO DDC <br />PRESSURE GAUGE (TYP) <br />Cw <br />T <br />I <br />STRAINER <br />FUNNEL DRAIN <br />EXTEND DRAIN PIPE TO AND <br />TERMINATE OVER FLOOR DRAIN <br />SCALE: NTS <br />WATER METER <br />BACKFLOW PREVENTER (RPBP) <br />PRESSURE RELIEF VALVE, <br />EXTEND AND TERMINATE <br />RELIEF PIPING OVER <br />NEAREST DRAIN <br />NON POTABLE WATER <br />PRESSURE REGULATING <br />VALVE (PRV) <br />QUICK FILL BYPASS <br />EXISTING UNIT VENTILATOR COIL PIPING DIAGRAM <br />M4.0 SCALE: NTS <br />EXISTING BLOWER <br />COIL OR HEATING <br />VENTILATING COIL <br />SCALE:NTS <br />EXISTING MANUAL AIR VENT <br />TO REMAIN; VERIFY AIR VENT <br />IS OPERATION AND INFORM <br />CLIENT IF INOPERABLE <br />UNION (TYP) <br />REPLACE EXISTING 3-WAY <br />CONTROL VALVE WITH NEW <br />2-WAY CONTROL VALVE. SEE <br />CONTROL VALVE SCHEDULE <br />REPLACE EXISTING MANUAL <br />OR AUTOMATIC BALANCE <br />VALVE WITH NEW MANUAL <br />CIRCUIT SETTER VALVE <br />IT - <br />EXISTING ISOLATION <br />VALVES TO REMAIN <br />REPLACE EXISTING STRAINER WITH <br />NEW STRAINER WITH DRAIN VALVE <br />NEW HOSE END WITH CAP <br />INSULATE COIL PIPING AND REPLACE <br />ANY DAMAGED OR MISSING INSULATION. <br />CONDENSATE TREATMENT ASSEMBLY <br />CONDENSATE, ROUTE TO DRAIN <br />J'� BOILER PIPING DIAGRAM (T� UNIT HEATER PIPING DIAGRAM <br />M4.0 SCALE:NTS M4.0 SCALE: NTS <br />10 3-WAY VALVE DETAIL <br />M4.0 SCALE:NTS <br />S <br />Silver Lake Elementary <br />Boiler Replacement <br />address: <br />12815 Bothell -Everett Highway <br />Everett, WA 98208-6630 <br />design phase: <br />PERMIT <br />SET <br />revisions: <br />no. description date <br />design by: <br />R L / A V <br />drawn by: <br />J A / J Z <br />scale: <br />as noted <br />date: <br />11 / 15/2022 <br />job no.: <br />2022.125 <br />sheet title: <br />MECHANICAL <br />DETAILS <br />approvals: sheet number: <br />M4.0 <br />