Addendum #3 - Water Heater Changes(PDF, 2MB

Description

Project: Superior North Pool Renovations Project Number: Date: 2026.04.14 Addendum No.: Addendum #3 Description: Addendum #3 includes changes to electrical and gas-fired water heaters. Specification: Drawings: PLUMBING • Sheet P101c o REVISED: Piping Information • Sheet P600 o REVISED: EWH-1 & GWH-1 information. • Sheet P700 o REVISED: Backwash Detail ELECTRICAL • Sheet E701 o REVISED: EWH-1 Electrical Load information. • Sheet E702 o REVISED: EWH-1 circuit information. Additional Documents: 4" GCO H MECH BUILDING PLUMBING KEYNOTES: I.E. = 3'-4" BFF I.E. = 4'-4" BFF 4" FOUNDATION 6 4" GCO 4" FOUNDATION TEAM STO 123 1" 1" 4" GCO I.E. = 9'-2" BFF SEE FOUNDATION DRAIN DEATIL 5 6 P700 W CHEM 122 1-1/4" TEPID HW TO ES/EEW. ANY PIPING WITHIN CHEMICAL ROOMS SHALL BE SCH. 40 CPVC WITH SOLVENT WELDED FITTINGS FOR CORROSION RESISTANCE. 3 (2)2" PUMP DISCHARGES RISE, COMBINE @ 18" AFF. RISE WITH 3" & OFFSET @ STRUCTURE. 4 4" W. DOWN AND DISCHARGE TO BACKWASHING HOLDING TANK. 5 2" CW DOWN TO AUTOFILL. SEE DEATIL 6/P700 6 1/2" CW DOWN TO AUTOFILL. 7 1" CW DOWN BELOW GRADE AND OFFSET TO FLOOR BOXES ON DECK. 8 2" V. RISE & OFFSET AT STRUCTURE. 9 1-1/4" CW DOWN TO GWH-1. 10 1-1/4" TEPID HW FROM EWH-2 TO EWH-3. 11 1-1/4" TEPID HW RISE & OFFSET TO ES/EEW. 12 3" V. RISE TO 3" VTR. 13 4" W. DOWN, 3" V. RISE FOR FD. 2 2" 4" FD-2 25 4" FD-2 I.E. = -30" BFF (POOL MECH) GWH-1 SEE DETIL 3" FS-2 I.E. = -14.5" BFF (POOL MECH) 11 9 CHEM 121 19 3/4" G 4" FD-2 HB-1 1 1/4" 23 21 2" 2" 1 1/2" 15 13 19 22 20 4" WCO 3 3/4" (NP) 3" V 4" D 2" 1 ADD 4 BACKWASH HUB, 5 SEE DETAIL P700 4" FD-2 1 1 1/4" 4" FD-2 W/ TS 1 1/4" G 1 1/4" ES/EEW-1 4 P700 SEE DETIAL 2 HB-1 18 3/4" CD 26 3/4" 3" W 12 SPCP-1 2" V. RISE TO 3" VTR. 16 UPSIZE TO 4" AND SLOPE @ 1.04% FOR GRAVITY FLOW. 17 4" DRAIN DOWN & CONNECT TO STORM DRAIN. 18 3/4" CW TO HB. 19 BALL VALVE, FULL SIZED. 20 CONNECT 2-1/2" GAS TO UNIT WITH ACCESSIBLE GAS COCK AND 6" DIRT LEG. 21 CONNECT 1-1/2" GS TO UNIT WITH ACCESIBLE GAS COCK AND 6" DIRT LEG. 22 GAS PRV. VENTLESS. 2,000 MBH INPUT AT S.L. 2 PSI. TO 10" WC OUTLET. 23 GAS PRV. VENTLESS. 399 MBH INPUT AT S.L. 2 PSI. TO 10" WC OUTLET. 24 1-1/4" CW & 1-1/4" HW TO TMV-3, 1-1/4" TEPID HW TO FIXTURES. 25 (2)2" PUMP DISCHARGES RISE, COMBINE @ 18" AFF. RISE WITH 3" & OFFSET BELOW GRATING AS HIGH AS POSSIBLE. 26 CONNECT 3/4" CW TO BOILER FOR MAKE-UP. COORDINATE LOCATION IN FIELD.