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Home My WebLink About071 AE Scope of Work HVC022 145 Culver Road • Suite 200 • Rochester, NY 14620 • (585) 427-8888 A/E SCOPE OF WORK Wegmans Store Number and Name: 071 - Ithaca Wegmans Remodel Project Title: Infrastructure – HVAC - AC-1 and AC-2 Replacement – Please verify that this is the correct name for this remodel [AG]. Please Change project name. (T. Burke) Wegmans Tracking/Job Number: 071-5187/971-32 Issued to Wegmans: December 13, 2019 Returned to EA: January 6, 2020 ARCHITECTURAL SCOPE Consultant: Bergmann Narrative: [071-ARC-133] [12.13.2019] · Provide architectural demolition and new roof plans and any necessary roof penetration, patching, or capping for new HVAC units AC1 and AC2. Platform and stair modifications to be coordinated with new AC1 and AC2 unit sizes and Structural drawings. · Architectural scope to further define with mechanical scope development. Notes/Scope Clarifications 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. Recommendations, as applicable 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. STRUCTURAL SCOPE Consultant: HSE Narrative: [071-STR-013] [12.13.2019] Structural considerations for the replacement of AC1 and AC2 on penthouse platforms A and B. Modify existing platforms, as required to support the new units. Add structure, as required, to provide maintenance platforms with grating and railing. Notes/Scope Clarifications 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. Recommendations, as applicable 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. MECHANICAL SCOPE Consultant: EA Narrative: [071-HVC-022] [12.12.2019] 145 Culver Road • Suite 200 • Rochester, NY 14620 • (585) 427-8888 Remove existing AC-1 and AC-2 air handling units. Provide and install new Seasons4 air handling units AC-1 & AC-2 on existing steel equipment platform reusing existing supply/return ductwork locations. Notes/Scope Clarifications 1. [071-HVC-022] [12.12.2019] Response required by: Wegmans Both existing AC-1 and AC-2 units have existing heat reclaim (glycol) coils served by adjacent powerhouses which is not shown on current HVAC drawings. Wegmans maintenance (Rich C.) indicated this store has had problems with the heat reclaim system and that it is no longer utilized. EA will proceed designing the new replacement units without heat reclaim coils and removing existing piping back to existing 3-way valves located in each powerhouse. Please confirm Wegmans prefers not to include heat reclaim coils with the replacement AC-1 and AC-2 units per previous remodels. (M. Beare) Wegmans Response [01.06.2020]: P&J is in the process of repairing the existing Heat Reclaim Coils at Ithaca. Provide glycol heat reclaim coils in the new AC-1 and AC-2. (T. Burke) 2. [071-HVC-022] [12.12.2019] Response required by: Wegmans Engineering note #10 on the PPS document indicates “Night setback is not required – store is 24/7”. EA and Seasons4 recommends including night setback dampers for future implementation. EA will proceed with designing the new units with the capability to provide night setback for the future, but not include initial programming unless directed otherwise. (M. Beare) Wegmans Response [01.06.2020]: Include night setback dampers and controls for future implementation. (T. Burke) 3. [071-HVC-022] [12.12.2019] Response required by: Wegmans All existing exhaust fan equipment has been documented during EA’s 11/22 site visit. There were several exhaust fans mislabeled on the roof according to EA’s current drawings. A few previous remodel projects added rooftop equipment that is not included in the TAB report dated September 2016. EA will proceed with sizing the new AC-1 and AC-2 units to provide 4,000 CFM store pressurization using the scheduled exhaust CFM quantities (not the TAB report) per previous remodels unless directed otherwise. Wegmans Response [01.06.2020]: Based on your site visit, update the drawings and schedules. Use the updated schedules for the HVAC design. (T. Burke) 4. [071-HVC-022] [12.12.2019] Response required by: ME Engineering Approximate locations of existing duct smoke detectors are shown on photo (IMG_3461.JPG) from EA’s field report that will need to be removed from the ductwork. EA will proceed with adding the following note on our schedule drawing: “Provide factory installed duct smoke detectors in both supply / return airways and fan shut down control. Factory provided remote test stations shall be field installed.” Company Name Response [XX.XX.2019]: Insert Comment…. 5. [071-HVC-022] [12.12.2019] Response required by: Wegmans/Bergmann/HSE AC-1 has walkways only on one side and the back of the unit. New walkway designs should be coordinated with the owner to provide access for all doors on the new unit once preliminary air handling unit cutsheets are received from the manufacturer. (M. Beare) Wegmans Response [01.06.2020]: Provide walkways to access all doors on the new HVAC units. (T. Burke) 6. [071-HVC-022] [12.12.2019] Response required by: Wegmans/Bergmann/HSE AC-2 has walkways surrounding the unit. It is assumed additional walkway will not to be required for AC-2. (M. Beare) Wegmans Response [01.06.2020]: Based on the existing walkways surround AC-2, additional walkways are not required. (T. Burke) 145 Culver Road • Suite 200 • Rochester, NY 14620 • (585) 427-8888 7. [071-HVC-022] [12.12.2019] Response required by: Wegmans Architectural note #4 on the PPS document indicates “Coordinate color of unit with Wegmans”. Both existing AC-1 and AC-2 units are Seasons4 units and appear to have a “Mocha Bronze” finish (refer to the field report dated 12/03/19). Please confirm Wegmans prefers the new AC-1 and AC-2 units to be provided with the factory finish color of “Mocha Bronze” per the color chart below. (M. Beare) Optional Factory Finish Colors: Wegmans Response [01.06.2020]: Specify the factory color of “Mocha Bronze” for AC-1 and AC-2. (T. Burke) Recommendations, as applicable 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. MECHANICAL CONTROLS SCOPE Consultant: EA Narrative: [071-CON-041] [12.12.2019] Remove existing temperature and dewpoint sensors associated with AC-1 and AC-2 within the store. Existing BX-9 control points associated with AC-1 and AC-2 air handling units shall be spared out. Existing BX-9 controller to remain installed and operational inside Powerhouse ‘B’. Provide new CX-400 controllers for new AC-1 and AC-2 units. Provide (2) new temperature sensors and (1) new dewpoint sensor for each replacement air handler. Provide (1) temperature sensor (monitor only) for each air handling unit to provide alternate location for future programming as required. Provide hood summation programming to control AC-2 outside air quantity via Central Production exhaust fan utilization. (M. Beare) Notes/Scope Clarifications 1. [071-CON-041] [12.12.2019] Response required by: Wegmans Please confirm the next available controller numbers will be CX-12 and CX-13. (M. Beare) Wegmans Response [01.06.2020]: You are correct, the next available controller numbers will be CX-12 and CX-13. (J. Vowles, T. Burke) Recommendations, as applicable 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. PLUMBING SCOPE Consultant: EA 145 Culver Road • Suite 200 • Rochester, NY 14620 • (585) 427-8888 Narrative: [071-PLM-047] [12.13.2019] Disconnect existing gas piping serving AC-1 and AC-2. Cap piping. Tap off 3” main with 3” gas piping for each new AC unit. Connect piping to new units. (S. Cooney) Notes/Scope Clarifications 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Wegmans Response [01.06.2020]: The generator submittal has been posted on box.com for the gas load information. (T. Burke) Recommendations, as applicable 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. ELECTRICAL SCOPE Consultant: Billitier Narrative: [071-ELC-049] [12.13.2019] · Disconnect existing feeder to AC-1, AC-2. Make provisions to extend existing raceway as required · Provide electrical connection to new units. Existing feeders and circuit breakers originating from power panels may be reused if new unit electrical loads are compatible with existing feeder wire size. Otherwise, a new feeder, conduit and circuit breaker will be provided. · All existing miscellaneous controls wring, electrical connections and devices will be disconnected and removed to unit units AC-1 and AC-2. Disconnect wiring to associated motorized dampers. · New weatherproof, GFCI type receptacle shall be added at each new AC unit. These will be connected to nearest lightly loaded 120V, un-switched branch circuit or a new circuit may be provided. · Disconnect and remove all wiring and raceways associated with the Variable frequency drives for AC-1 and AC-2. Turn removed VFD’s over to owner (if applicable). None required for new installation. · Ethernet/data and store network connections will be provided for AC-1 and AC-2 CPC E2 controller. · Provide electrical and controls wiring, raceways and connections for new exhaust fans and indicated in Mechanical Engineering drawings · Provide all building grounding system connections to the (3) new AC units frame and as recommended by manufacturer. · Provide all field wiring as required [A. DeTorio] Notes/Scope Clarifications 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. Recommendations, as applicable 1. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. SPECIAL SYSTEMS SCOPE Consultant: M/E Engineering Narrative: [071-SS-017] [12.13.2019] 145 Culver Road • Suite 200 • Rochester, NY 14620 • (585) 427-8888 Disconnection and removal of existing duct smoke detectors and fan shutdown connections for AC units being removed/replaced. Installation and connection of duct smoke detectors and fan shutdown connections to new AC units. Notes/Scope Clarifications 2. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment…. Recommendations, as applicable 2. [XXX-INT-XXX] [XX.XX.2019] Response required by: Company Name Insert Comment…. Company Name Response [XX.XX.2019]: Insert Comment….