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SECTION 00901 ADDENDUM NO. 1 Date Issued December 10, 2019 Town of Mead JVA, Incorporated WWTF Fire Alarm and Sludge Flow Meter 213 Linden Street Improvements Suite 200 441 3rd Street Fort Collins, CO 80524 Mead, CO 80542 (970) 225-9099 PART 1 GENERAL 1.1 DESCRIPTION A. This addendum forms a part of the Bidding and Contract Documents and modifies the Drawings as described below B. This addendum consists of this page and five drawings 1.2 ACKNOWLEDGMENT A. Acknowledge receipt of this addendum in the space provided on the Bidder’s Certification form. PART 2 DRAWINGS 2.1 REPLACE ALL THE DRAWINGS WITH THE ATTACHED DRAWINGS DATED DECEMBER 2019 A. Details for Drawing P1.0 were added to show installation for the effluent flow meter and pipe support for sludge loadout station B. Detail for Drawing E1.0 was added to show removal of a section of sidewalk to trench conduit for the digested sludge flow meter C. All other Drawings are the same 12/10/19 00901-1 JVA 1970.1c TOWN OF MEAD Set No._______ WASTEWATER TREATMENT FACILITY FIRE ALARM AND SLUDGE FLOW METER IMPROVEMENTS JVA, Inc. 1319 Spruce Street Boulder, CO 80302 303.444.1951 www.jvajva.com Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver DECEMBER 2019 JVA, Inc. 1319 Spruce Street Boulder, CO 80302 303.444.1951 www.jvajva.com Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver REVISION DESCRIPTION AND SLUDGE LOADING STATION SUPPORT – ADDITION OF EFFLUENT FLOW METER REPLACEMENT – – – – – JCD D'WN JPM DES'D DATE 12/06/19 1 NO. DESIGNED BY: JPM DRAWN BY: JCD CHECKED BY: KAT JOB #: 1970.1c DATE: DEC 2019 © JVA, INC. TOWN OF MEAD WWTP FIRE ALARM AND DIGESTER PLAN AND SECTIONS SLUDGE FLOW METER IMPROVEMENTS SHEET NO. P1.0 JVA, Inc. 1319 Spruce Street Boulder, CO 80302 303.444.1951 www.jvajva.com ONE LINE DIAGRAM LEGEND SCHEMATIC SYMBOLS ABBREVIATIONS AREA DESIGNATIONS Boulder ● Fort Collins ● Winter Park Glenwood Springs ● Denver VACUUM SWITCH (CLOSING ON THE SPECIAL AREA DESIGNATION BOXES, AS DEFINED BELOW, ARE LOCATED ON THE PLAN WIRE CONNECTION POINT INCREASING VACUUM) A AMBER, AMPERE, ALARM RECP RECEPTACLE TRANSFORMER WITH PRIMARY AND SECONDARY AC ALTERNATING CURRENT RGS RIGID GALVANIZED STEEL DRAWINGS TO DEFINE ELECTRICAL INSTALLATION REQUIREMENTS. DESIGNATION BOXES ARE LOCATED WITHIN ROOM OR BELOW ROOM NUMBER. ALL INDOOR AREAS NOT INDICATED VOLTAGE, AND KVA RATING AS NOTED. NORMALLY OPEN CONTACT VACUUM SWITCH (OPENING ON AFD ADJUSTABLE FREQUENCY RTD RESISTANCE TYPE TEMP OTHERWISE ARE AREA TYPE 1 AND MINIMUM NEMA TYPE 1 ENCLOSURES. 1500KVA INCREASING VACUUM) DRIVE DETECTOR 2.4KV-480Y/277 NORMALLY CLOSED CONTACT AFF ABOVE FINISHED FLOOR RTU REMOTE TERMINAL UNIT TEMPERATURE SWITCH (CLOSING ON 3Ø, 60 HZ AM AMMETER RVSS REDUCED VOLTAGE SOLID AREA TYPE 1A CORROSIVE CHEMICAL FEED AND STORAGE ROOMS. CONDUIT SYSTEM SHALL BE RISING TEMPERATURE) EXPOSED PVC RIGID NON-METALLIC CONDUIT WITH PVC FITTINGS, BOXES, AND STARTER, CONTACTOR OR RELAY ATO AUTOMATIC THROWOVER STATE STARTER 22: 3#8,#10G,2" CIRCUIT NO. 22 WITH #8 INSULATED CONDUCTORS, 1#10 ACCESSORIES. COIL AWG AMERICAN WIRE GAUGE S2 SIZE 2 STARTER BARE GROUND WIRE ALL IN 2" CONDUIT TO 20 HP MOTOR. TEMPERATURE SWITCH (OPENING ON RISING TEMPERATURE) C CLOSE, COUNTER, SCADA SUPERVISORY CONTROL AND LITTLETON, CO 80127 INDOOR WET LOCATIONS SUCH AS VAULTS, HOSEDOWN AREAS, BASEMENTS, ETC. (720) 344-7771 NORMALLY OPEN PUSH BUTTON CONTACTOR DATA ACQUISITION AREA TYPE 4 ONE-LINE SHOWING POWER AND CONTROL TO A PACKAGE FLOW ACTUATED SWITCH (CLOSING ON CAP CAPACITOR SP SINGLE POLE MINIMUM NEMA TYPE 4 ENCLOSURE FOR EQUIPMENT AND GASKETED FITTINGS IN A AUXILIARY ITEMS UNIT, AS FOR EXAMPLE A STEAM GENERATOR OR AN AIR INCREASE IN FLOW) CB CIRCUIT BREAKER SPDT SINGLE POLE DOUBLE THROW CONDUIT SYSTEM. NORMALLY CLOSED PUSH BUTTON MAY NOT BE HANDLING UNIT, SHALL IMPLY THAT ANY AND ALL CD CONTROL DAMPER SPST SINGLE POLE SINGLE THROW SHOWN FLOW ACTUATED SWITCH (OPENING ON ASSOCIATED EQUIPMENT SHALL ALSO BE INSTALLED AND CKT CIRCUIT SS SELECTOR SWITCH COMPLETELY INCREASE IN FLOW) CLASS 1, DIVISION 1 AREA AS DEFINED BY NEC. ALL EQUIPMENT AND CONDUIT MAINTAINED PUSH BUTTON CL2 SV AREA TYPE 7A WIRED AS REQUIRED BY THE EQUIPMENT FURNISHED. CHLORINE SOLENOID VALVE SYSTEMS SHALL BE RATED FOR USE IN THIS AREA. ON TIME DELAY SWITCH (NORMALLY OPEN CP CONTROL PANEL SWB SWITCHBOARD INDICATES THAT ALL OR PART OF CIRCUIT MAY BE ROUTED NORMALLY CLOSED GEARED LIMIT WITH TIME DELAY CLOSING AFTER COIL IS CPT CONTROL POWER SWGR SWITCHGEAR IN DUCT BANK OR UNDERGROUND. CONDUIT SIZE SHOWN CLASS 1, DIVISION 2, GROUP C AND D (METHANE, GASOLINE) AS DEFINED BY NEC. SWITCH ENERGIZED) TRANSFORMER T THERMOSTAT, TIMER, AREA TYPE 7B ON ONE-LINE IS ABOVE GROUND AND/OR INSIDE OF EQUIPMENT AND CONDUIT SYSTEMS SHALL BE RATED FOR USE IN THIS AREA. ON TIME DELAY SWITCH (NORMALLY CS CONTROL STATION TOTALIZER STRUCTURE. SEE DUCT BANK SCHEDULE AND SECTIONS NORMALLY OPEN GEARED LIMIT CT CYCLE TIMER, CURRENT TACH TACHOMETER FOR CONDUIT SIZE OF UNDERGROUND PORTION OF CLOSED WITH TIME DELAY OPENING SWITCH TRANSFORMER TB TERMINAL BLOCK INDOOR, DRY, DIRTY AREA. REQUIRES MINIMUM NEMA TYPE 12 GASKETED CIRCUIT. AFTER COIL IS ENERGIZED) AREA TYPE 12 CTM CYCLE TIMER MOTOR TD TIME DELAY RELAY ENCLOSURES FOR ALL EQUIPMENT AND GASKETED FITTINGS IN CONDUIT SYSTEMS. OFF TIME DELAY SWITCH (NORMALLY 2/C TEMP HIGH VOLTAGE DRAWOUT AIR OR VACUUM CIRCUIT INDICATING LIGHT 2 CONDUCTOR TEMPERATURE OPEN WITH TIME DELAY OPENING AFTER 4"C 4" CONDUIT TQ TORQUE BREAKER. OUTDOOR AND INDOOR WET LOCATIONS SUBJECT TO CORROSION. CONDUIT SYSTEM COIL IS DE-ENERGIZED) DC DIRECT CURRENT TS TEMPERATURE SWITCH AREA TYPE 4X SHOULD BE PVC COATED RIGID GALVANIZED STEEL WITH PVC COATED FITTINGS, OFF TIME DELAY SWITCH (NORMALLY DM DAMPER MOTOR, DEMAND UG UNDERGROUND BOXES, AND STAINLESS STEEL HARDWARE. LOW VOLTAGE AIR CIRCUIT BREAKER, 3 POLE, 20 AMPERE. CLOSED WITH TIME DELAY CLOSING METER UPS UNINTERRUPTIBLE POWER CONTROL POWER TRANSFORMER AFTER COIL IS DE-ENERGIZED) DPDT DOUBLE POLE DOUBLE THROW SUPPLY DPST DOUBLE POLE SINGLE THROW V VOLTS TORQUE SWITCH (NORMALLY OPEN) DPS DIFFERENTIAL PRESSURE VA VOLT AMPERE SIZE 4 COMBINATION MAGNETIC MOTOR STARTER. SWITCH VLS VALVE LIMIT SWITCH TORQUE SWITCH (NORMALLY CLOSED) DS DISCONNECT SWITCH VM VOLTMETER MANUAL STARTER E ELECTRIC OPERATOR FOR W WHITE, WATTS LIMIT SWITCH (NORMALLY OPEN) CONTROL DAMPER OR VALVE WH WATTHOUR METER GENERAL REQUIREMENTS LOW VOLTAGE DRAWOUT AIR CIRCUIT BREAKER. WM WATT METER LIMIT SWITCH (NORMALLY OPEN, HELD EMH ELECTRICAL MANHOLE THE CONTRACTOR SHALL BE RESPONSIBLE FOR ROUTING ALL CONDUITS NOT SHOWN ETM ELAPSED TIME METER WP WEATHERPROOF FLOAT SWITCH (CLOSING ON RISING CLOSED) ON THE PLANS. THIS SHALL INCLUDE ALL CONDUITS SHOWN ON THE ONE-LINES AND EX EXISTING XFMR TRANSFORMER LEVEL) HOME-RUNS SHOWN ON THE PLAN DRAWINGS. CONDUITS SHALL BE ROUTED AS F XP EXPLOSION PROOF HIGH VOLTAGE DRAWOUT CONTACTOR. LIMIT SWITCH (NORMALLY CLOSED) FORWARD DEFINED IN THE SPECIFICATIONS. FS FLOW SWITCH Y YELLOW FLOAT SWITCH (OPENING ON RISING LIMIT SWITCH (NORMALLY CLOSED, HELD G GREEN, GROUND Z AUXILIARY RELAY LEVEL) OPEN) SPARE WIRES SHALL BE TAPED AND COILED. GFI GROUND FAULT INTERRUPTER ZS POSITION SWITCH FUSE AND DISCONNECT SWITCH. DIFFERENTIAL PRESSURE SWITCH GLS PRESSURE SWITCH (CLOSING ON GEARED LIMIT SWITCH IF EQUIPMENT SUPPLIED BY MANUFACTURER HAS A LARGER LOAD THAN VALUE SHOWN, (NORMALLY OPEN, CLOSING ON #8G RISING PRESSURE) #8 GROUND WIRE THE CABLE CONDUIT AND ELECTRICAL EQUIPMENT SHALL BE ENLARGED, AS REQUIRED, INCREASING DIFF.) H HIGH, HUMIDISTAT TO ACCOMODATE THE HIGHER VALUE. PRESSURE SWITCH (OPENING ON HH HANDHOLE SIZE 2 COMBINATION MAGNETIC MOTOR STARTER, DIFFERENTIAL PRESSURE SWITCH RISING PRESSURE) HMT HIGH MOTOR TEMPERATURE REVERSING OR 2 SPEED. (NORMALLY CLOSED, OPENING ON THE CONTRACTOR SHALL BE RESPONSIBLE FOR FURNISHING PROPERLY SIZED HOA INCREASING DIFF.) HAND-OFF-AUTO STARTER OVERLOADS FOR EQUIPMENT FURNISHED. HOR HAND-OFF-REMOTE 24 VDC SURGE PROTECTION HP POTENTIAL TRANSFORMER. HORSEPOWER LIGHTING AND RECEPTACLE CIRCUITS DESIGNATED ON THE FLOOR PLANS ARE NOT HWCO HIGH WATER CUTOFF SHOWN ON THE ONE-LINES. CONDUCTORS FOR LIGHTING, RECEPTACLES, AND HZ HERTZ (CYCLE) MISCELLANEOUS 120VAC CIRCUITS SHALL BE MINIMUM NO. 12 AWG. CONDUIT FOR CURRENT TRANSFORMER. I/O INPUT/OUTPUT LIGHTING, RECEPTACLES, AND MISCELLANEOUS 120VAC CIRCUITS SHALL BE MINIMUM J JUNCTION BOX 3 4". KV KILOVOLT KVA KILOVOLT AMPERE IN AREAS WHERE THERE ARE OVERHEAD BRIDGE CRANES, HOISTS, ETC., NO CONDUITS KVAR KILOVAR SHALL BE RUN OVERHEAD THAT WILL INTERFERE WITH THE OPERATION OF THE SWITCH & OUTLET KW KILOWATT EQUIPMENT. SYMBOLS KWH KILOWATT HOUR L LOW, LEVEL A LA LIGHTNING ARRESTOR S SINGLE POLE SWITCH, A=SWITCH DESIGNATION LAN LOCAL AREA NETWORK A LP LIGHTING PANEL S2 TWO POLE SWITCH, A=SWITCH DESIGNATION LS LIMIT SWITCH, LEVEL A SWITCH S3 THREE-WAY SWITCH, A=SWITCH DESIGNATION CONDUIT & WIRING INSTALLATION LEGEND LWCO LOW WATER CUTOFF GENERAL NOTES A M S4 FOUR-WAY SWITCH, A=SWITCH DESIGNATION MAGNETIC MOTOR STARTER SOLID LINES INDICATE NEW WORK OR EQUIPMENT. A CONDUIT EXPOSED. SWP WEATHERPROOF SWITCH, A=SWITCH DESIGNATION MA MILLIAMPERE MCB DOTTED LINES INDICATE EXISTING WORK OR EQUIPMENT. A MAIN CIRCUIT BREAKER SKO KEY OPERATED SWITCH, A=SWITCH DESIGNATION MCC MOTOR CONTROL CENTER CONDUIT CONCEALED. DASHED LINES INDICATE FUTURE WORK OR EQUIPMENT. A MCM THOUSAND CIRCULAR MIL SXP EXPLOSION PROOF SWITCH, A=SWITCH DESIGNATION MD MOISTURE DETECTOR CONDUIT TURNING UP, CONDUIT TURNING DOWN. THIS IS A GENERAL LEGEND SHEET. SOME SYMBOLS AND ABBREVIATIONS MAY NOT BE MH MANHOLE, MOUNTING UTILIZED ON THIS SPECIFIC PROJECT. DUPLEX RECEPTACLE 120 VOLT HEIGHT CONDUIT PLUGGED FLUSH, CONDUIT CAPPED. MOV MOTOR OPERATED VALVE INFORMATION RELATED TO CIRCUIT IDENTIFICATION, WIRE & CONDUIT SIZES, AND ROUTING, IS 240V, 1 PHASE RECEPTACLE, TYPICAL MS MANUAL MOTOR STARTER ON THE FOLLOWING DRAWING TYPES. TYPICAL FOR HOME RUN TO BE ROUTED TO AMPERE RATING NOTED MSH MOTOR SPACE HEATER © LIGHTING PANEL L2 AND CONNECTED TO CIRCUIT N NEUTRAL ONE-LINE DIAGRAMS SHOW CIRCUIT IDENTIFICATION, WIRE QUANTITY AND SIZES, AND 3 480V, 3 PHASE WELDING RECEPTACLE, #5 (MINIMUM NO.