Attachment A_ DCSS Replacement Walk_In Cooler.pdf

REPLACEMENT WALK-IN COOLER/FREEZER SPECIFICATIONS

Radium Springs Elementary School

Dougherty County Schools

GENERAL SPECIFICATIONS:

The Therma-Kool, Amerikooler, or equivalent walk-in specified shall be prefabricated modular construction. It shall be designed and constructed to allow fast and easy field assembly, disassembly, relocation and enlargement by the addition of like modular panels. Walk-in shall be designed and constructed as shown on plan. Overall exterior size of the walk-in cooler/freezer shall be approximately 22 ft 2 in x 22 ft 8 in

(irregular) x 8 ft 6 in ht. to fit exact job site requirements. Cooler section shall be approximately 15 ft x 8 ft (ID} and the freezer section approximately 21 ft 6 in x 12 ft

(ID}. All measurements must be field verified prior to construction by vendor.

PANEL CONSTRUCTION:

Wall and ceiling panel widths shall be within 1" increments up to 48" wide. Corner panels shall be 90 degree angle, 12" x 12". All panels shall be interchangeable with like panels for fast and easy assembly.

All panels shall consist of metal pans formed to precise dimensions. Exterior finish to be Stucco Aluminum. Interior finish to be Stucco Aluminum walls and Pre-painted

White Stucco Aluminum on the ceiling panels.

Insulation shall be "foamed-in-place" urethane to bond permanently to complete inner surfaces of both interior and exterior metal pans to form strong rigid unit. Panels shall not have internal wood or metal support, framing, straps, or other non-insulating members. Each panel shall be 100% urethane foam insulation exclusive of metal pans. Perimeter structure shall be formed of DURATHANE, high density urethane insulation forming tongues and grooves to assure vapor and airtight joints and to prevent pre-installation damage and deterioration of exposed urethane surfaces.

WARRANTY:

Panels shall be covered by a Ten-Year Factory Warranty.

INSULATION:

Insulation shall be 4" thick rigid, zero ozone depleting HFC 134a blown Class I urethane foam classified according to UL 723 (ASTM-E-84) as tested by Underwriters

Laboratories, Inc. The core material has a flame spread of 25 or less and a smoke density of 250.

The urethane foam is foamed-in-place to bond to inner surfaces of metal pans having an average thermal conductivity (K factor) of 0.13 BTU/hr./sq. ft. per degrees

Page 2 Radium Springs ES

/Fahrenheit/inch. As tested in accordance with ASTM C 518-2004, the R factor for coolers at temperatures of 55 degrees F is greater than 29.0 for 4" thick panels, freezers at temperatures of 20 degrees F the R factor is greater than 32.0 for 4" thick panels.

The prefabricated urethane foamed panels shall be supplied with a Class I fire hazard classification according to UL 723 (ASTM-E-84) as tested by Underwriters

Laboratories, Inc. Panels shall have a flame spread rating of 25 or less and bear a certifying Underwriters Laboratories, Inc. label.

This rating is not intended to reflect hazards presented by this or any other material under actual fire conditions

PANEL LOCKING ASSEMBLIES:

Assembly of walk-in shall be accomplished by "lnsta-Loks" consisting of cam-action hook arm assembly set in one panel and a self-aligning, self-centering, pin assembly set in the matching panel. All vertical joints must have a minimum of three lnsta-loks.

Rotation of the cam-action hook arm shall pull and lock panels together to form airtight, vapor proof joints. No metal straps or connecting rods shall be used inside the panels.

Rotation of the cam-locks shall be operated from inside the walk-in through access ports that are sealed with vinyl snap-in closures.

PANEL GASKETS:

NSF listed double-bead vinyl gasket shall be applied to the tongue side of all panels, on both interior and exterior. Gaskets shall be impervious to stains, grease, oils, mildew, sunlight, etc.

ENTRANCE DOOR AND FRAME:

Walk-in cooler and freezer compartments shall be equipped with a 36" x 76" hinged type, flush-mounted entrance door and located in location as shown on drawing. Door placement shall be within 1" increments to meet shelving space and job site requirements. Doors shall be manufactured to accommodate floor construction. Door and frame shall be listed by Underwriters Laboratories and bear the UL Seal of

Approval and be equipped with the following:

Door shall be equipped with a one-piece perimeter PVC accordion type removable gasket with magnetic core at the top and along the side perimeter of the door. An adjustable wiper gasket shall be mounted along the bottom edge of the door.

Doors shall have aluminum diamond treadbrite 48" high on the interior and exterior.

Diamond treadbrite shall be mounted with adhesive and sealed with silicone. No

Page 3 Radium Springs ES external fasteners such as screws or pop rivets shall be applied as fastening for the diamond treadbrite.

Latch shall be break-a-way type with cylinder lock and inside safety release handle so the door can be opened from the inside even if locked. A positive action hydraulic door closer shall be included to ensure gentle closing action of door to opening and to ensure positive closing of door. The latch shall be of high pressure zinc die cast with highly polished chrome finish.

Doors shall be supplied with two adjustable hinges, one of which is spring-loaded, and are a self-closing design. Cooler door to be left hinged and freezer door to be right hinged.

Doors to include 14" x 14", triple-paned, heated, viewing windows.

Door frames shall consist of heavy reinforced steel "U" channel frame to encompass entire perimeter of opening, foamed-in-place to give extra support and rigidity to frame and to prevent racking, distortion, warping and twisting. A backup must be welded for added strength.

An armored anti-sweat heater cable shall be run in a breaker strip located behind a removable heavy gauge stainless steel trim for easy access to heater cable. Heater cable shall be run under threshold consisting of heavy reinforcement "U" channel breaker strip and heavy gauge stainless steel threshold. The optional second heater wire and thermostatically controlled thermostat should be installed.

Door sections shall be provided with an operating toggle switch and pilot light mounted on the exterior side of the door frame. A face mounted inlet box with an CFL, vapor proof, light shall be mounted on the interior side of the door frames for 115 volt, 60 cycle, 1 phase A.C. service. All wiring shall be in concealed rigid conduit. A 2-1/2" diameter chrome face, flush mount, dual reading, adjustable dial thermometer shall be provided on exterior of door sections to provide temperature reading of -40 degrees C to +150 degrees C.

To minimize infiltration of air when doors are open vinyl, bi-swing, CCI doors shall be provided.

FLOOR CONSTRUCTION:

Walk-in floor, DURA-FLOOR, shall be fabricated similar to other panels and be designed to withstand uniformly distributed stationary loads of 12,000 lbs. per square foot. Interior surface of floor panels to be foamed-in-place 1/8" Aluminum Treadplate.

Floor will sit on leveled pad.

Page 4 Radium Springs ES

HEATED PRESSURE RELIEF VENT:

Freezer shall be equipped with a two-way heated pressure relief vent to equalize pressure between the interior and exterior caused by defrost cycles and opening of door. Electrical service to be 11Sv/60/1 phase.

LED LIGHT FIXTURES:

Two - 4' LED light fixtures shall be provided in the freezer and two - 4' LED light fixtures shall be provided in the cooler. Cooler light fixtures must be connected to the cooler door section toggle switch for the CFL vapor proof light and the freezer light fixtures must be connected to the freezer door section toggle switch for the CFL vapor proof light.

TRIM AND ENCLOSURES:

Trim matching the walk-in finish and fabricated to fit building conditions shall be supplied to close all joints between walk-in walls and the building walls. The space betweeri the top of the box and the dropped ceiling must be closed off with trim matching the walk-in finish.

SLOPED WEATHERCAP:

The walk-in shall be provided with a single-ply vinyl weathercap. The weathercap shall consist of a waterproof, durable, high-tenacity fabric membrane. Weathercap shall turn up at building wall at least 6". The Weathercap shall turn down on 3 sides. A fascia bar with cover shall be provided to secure weathercap to walk-in. Sloped foam consisting of expanded poly-styrene and a 4 mil polyethylene slip-sheet shall be provided with weathercap. The foam should slope to the side opposite of the condensing unit install. Polyethylene shall be installed between the vinyl weathercap and the sloped foam. All installation hardware, trim and flashing shall be provided to secure weathercap to walk-in and against building wall.

REFRIGERATION:

Basic refrigeration components shall consist of a 1 ¼ hp condensing unit of the Scroll type for the walk-in cooler, model RFO150E4SEA and a 3 hp Scroll type for the walk-in freezer, model RFO300L4SEA. Condensing units shall be remote, self contained, factory assembled and UL approved. The condensers shall be air-cooled.

Condensing unit voltage to be 208-230v 3ph. Condensing units shall be installed in a similar position where existing units are located. All measurements must be field verified prior to construction by vendor.

Page 5 Radium Springs ES

Evaporators shall be forced air type with air flow parallel to the walk-in ceiling. The cooler evaporator shall be a standard low profile series, model RL6A094ADA, and the freezer evaporator shall be a standard low profile series, model RL6E077DDA. All evaporators to include electronically commutated motors.

Evaporator coil components shall be housed in heavy gauge aluminum housing. The freezer evaporator units voltage to be 208-230v 1 ph. Cooler evaporator unit voltage to be 115v 1ph.

Units shall have drain pan with drain pipe connection.

Refrigerant for cooler and freezer systems shall be R448-A.

The basic components shall be supplied in remote configuration and shall include condensing unit, evaporator coil, control kit (pressure control, thermostat, liquid line drier, sight glass, suction line vibration eliminator, expansion valve and evaporator coil mounting kit), fan delay control and liquid line solenoid. All parts shall be factory mounted.

All connection requirements including tubing, electrical hook-up, drain line and refrigerant charge shall be supplied by qualified refrigeration, electrical and plumbing contractors.

A low ambient kit and weatherproof housing shall be supplied with condensing units.

The low ambient kit shall consist of a crankcase heater and headmaster valve.

DRAIN LINES: All evaporator coils shall be provided with proper sized copper drain lines, supplied and field installed by contractor. Drains shall include a "P" trap outside of walk-in. Freezer drain shall be heated and insulated to prevent freezing. All plumbing to be in accordance with applicable codes. Contractor must run drain lines outside of building if floor drains are not available inside.

Contractor shall be responsible for providing units completely installed and operational.

Cooler to operate at +35 degrees F and Freezer to operate at-10 degrees F.

NSF CONSTRUCTION: The walk-ins provided in the above specifications shall be constructed in accordance with National Sanitation Foundation, Standard

No. 7. The NSF approval seal shall be affixed to the serial plate of the walk-in.

Walk-in cooler to include the Bluezone UV Air Purifier.

Page 6 Radium Springs ES

QUALITY INSPECTION REQUIREMENTS:

Walk-ins shall be set up at the manufacturer's facility prior to shipment and a quality control inspection performed on the product. A digital photograph of the walk-ins set up at the manufacturer's facility shall be provided for the Food Equipment Contractor's permanent records.

INSTALLATION, OPERATION AND MAINTENANCE INSTRUCTIONS:

The walk-ins shall be supplied with a complete set of installation, operational and maintenance instructions to cover erection of the walk-in, installation operating procedures and routine maintenance schedule.

Bidders must obtain prior approval if not bidding specified items. Any and all variances in construction, design, performance and accessories from the item specified must be submitted in writing to the owner supervisor in addition to detailed manufacturers specifications ten days prior to bid opening.

WARRANTY

One year for replacement parts and labor on all hardware, accessories, and electrical components. Ten year warranty on the foamed-in-place panels including the wall, floor, ceiling, and door. Five year repair or replacement warranty on the compressor motor. Dealer warrants all installation-related workmanship for one year.

Dealer is responsible for start up and checking all pressures and pull down of unit to

38 degrees F and -10 degree F operating temperatures per vendor installation instructions. Dealer is to maintain on-site temperature check for 2 hours after start-up with pressure gauge check at the end of this time and is to also visually inspect and pressure gauge check the unit the next day.

INSTALLATION REQUIREMENTS

The existing walk-in, refrigeration units, and floor must be removed and disposed of properly away from the school grounds.

Dealer must enlarge the pad to 14 ft wide X 13 ft long and at least 4 inches deep.

Coordination with the owner is required to be sure the kitchen is secure while the enlarged pad is being poured/curing. Preferred and recommended sub is All

Concrete Construction, 122 Suit B Hugh Road, Leesburg GA.

The pad must be prepared such that the new cooler/freezer floor is level. The existing ramp will be used so that the new walk-in floor has a smooth transition from the kitchen floor.

Page 7 Radium Springs ES

Existing electrical service/wiring must be modified to meet the needs of the enlarged walk-in/refrigeration units. Owner is responsible for wiring from the breaker box to the disconnects. Dealer is responsible for all wiring from the disconnects to the condensing units and evaporators. Sam Service is preferred and recommended refrigeration contractor.

The condensing units must be placed outside where the existing units are located. A prebid site visit is highly recommended.

All space between the sides of the box and the school walls must be flashed. The space between the existing kitchen quarry tile floor and the new walk-in must be filled and water-proof sealed. Aluminum "L" cove trim must be installed at the wall/floor joint.

All penetrations and conduit into the walk-in must be properly sealed. All penetrations through the school walls must be properly sealed.

Existing shelving must be removed and reinstalled along with the additional new shelving.

Morningside Elementary School assembly, disassembly, relocation and enlargement by the addition of like modular panels. Walk-in shall be designed and constructed as shown on plan. Overall exterior size of the walk-in cooler/freezer shall be approximately 20 ft 8 in x 14 ft 8 in x 8 ft 6 in

ht. to fit exact job site requirements. Cooler section shall be approximately 6 ft 5 in x 14 ft (ID) and the freezer section approximately 13 ft 1 in x 14 ft (ID). All measurements must be field verified prior to construction by vendor.

All panels shall consist of metal pans formed to precise dimensions. Exterior finish of unexposed, panels to be galvanized steel. Exterior finish of exposed front panels to be Stucco Aluminum. Interior finish to be Stucco Aluminum walls and Pre-painted White Stucco Aluminum on the ceiling panels.

Exposed, exterior front panels shall have aluminum diamond treadbrite 48" high.

not have internal wood or metal support, framing, straps, or other non-insulating members. Each panel shall be 100% urethane foam insulation exclusive of metal pans. Perimeter structure shall be formed of DURATHANE, high density urethane

Page 2 Morningside ES

/Fahrenheit/inch. As tested in accordance with ASTM C 518-2004, the R factor for coolers at temperatures of 55 degrees F is greater than 29.0 for 4" thick panels, set in the matching panel. All vertical joints must have a minimum of three lnsta-loks.

Rotation of the cam-action hook arm shall pull and lock panels together to form airtight, vapor proof joints. No metal straps or connecting rods shall be used inside the panels.

placement shall be within 1" increments to meet shelving space and job site requirements. Doors shall be manufactured to accommodate floor construction. Door

Page 3 Morningside ES closer shall be included to ensure gentle closing action of door to opening and to are a self-closing design. Cooler door and freezer doors to be right hinged.

cable shall be run under threshold consisting of heavy reinforcement "U" channel proof, light shall be mounted on the interior side of the door frames for 115 volt, 60 cycle, 1 phase A.C. service. All wiring shall be in concealed rigid conduit. A 2-1/2" diameter chrome face, flush mount, dual reading, adjustable dial thermometer shall be

Page 4 Morningside ES

Walk-in floor, DURA-FLOOR shall be fabricated similar to other panels and be foot. Interior surface of floor panels to be foamed-in-place 1/8" Aluminum Treadplate. Floor will sit in leveled pit.

Three - 4' LED light fixtures shall be provided in the freezer and one - 4' LED light cooler door section toggle switch for the CFL vapor proof light and the freezer light between the top of the box and the dropped ceiling must be closed off with trim

Basic refrigeration components shall consist of a 1 hp condensing unit of the Scroll type for the walk-in cooler, model RFO130E4SEA and a 5 hp Scroll type for the walk-in freezer, model RFO500L4SEB. Condensing units shall be remote, self contained, factory assembled and UL approved. The condensers shall be air-cooled.

Condensing unit voltage to be 208-230v 3ph. Condensing units shall be installed in

Page 5 Morningside ES freezer evaporator shall be a standard low profile series, model RL6E142DDA. All tobe115v1ph.

The basic components shall be supplied in remote configuration and shall include condensing unit, evaporator coil, control kit (pressure control, thermostat, liquid line drier, sight glass, suction line vibration eliminator, expansion valve and evaporator of walk-in. Freezer drain shall be heated and insulated to prevent freezing. All

Cooler to operate at +35 degrees F and Freezer to operate at -10 degrees F.

Page 6 Morningside ES

38 degrees F and -1O degree F operating temperatures per vendor installation instructions. Dealer is to maintain on-site temperature check for 2 hours after start-up

Existing fire sprinkler system must be removed prior to demolition and reinstalled after completion of the new walk-in. Owner is responsible for arrangements by others.

The pit must be prepared such that the new cooler/freezer floor can be installed. The new walk-in floor must be installed such that it is level with or slightly higher than the existing kitchen quarry tile floor.

Existing electrical service/wiring must be field verified prior to construction by dealer. Owner is responsible for wiring from the breaker box to the disconnects.

Page 7 Morningside ES

Dealer is responsible for all wiring from the disconnects to the condensing units and evaporators. Sam Service is preferred and recommended refrigeration contractor.

The condensing units must be placed outside on the school roof where the existing units are located. A prebid site visit is highly recommended.

Existing shelving must be removed and reinstalled.

Live Oak Elementary assembly, disassembly, relocation and enlargement by the addition of like modular panels. Walk-in shall be designed and constructed as shown on plan. Overall exterior size of the walk-in cooler/freezer shall be approximately 23 ft 3 in x 17 ft 8 in

(irregular) x 8 ft 6 in ht. to fit exact job site requirements. Cooler section shall be approximately 12 ft 8 in x 8 ft 9 in (ID) and the freezer section approximately 13 ft 6 in x 17 ft (ID). All measurements must be field verified prior to construction by vendor.

unexposed panels to be galvanized steel. Exterior finish of exposed front panels to be not have internal wood or metal support, framing, straps, or other non-insulating members. Each panel shall be 100% urethane foam insulation exclusive of metal pans. Perimeter structure shall be formed of DURATHANE, high density urethane

Page 2 Live Oaks ES

/FahrenheiUinch. As tested in accordance with ASTM C 518-2004, the R factor for coolers at temperatures of 55 degrees F is greater than 29.0 for 4" thick panels, set in the matching panel. All vertical joints must have a minimum of three lnsta-loks.

Rotation of the cam-action hook arm shall pull and lock panels together to form airtight, vapor proof joints. No metal straps or connecting rods shall be used inside the panels.

Page 3 Live Oaks ES closer shall be included to ensure gentle closing action of door to opening and to are a self-closing design. Cooler and freezer doors to be left hinged.

cable shall be run under threshold consisting of heavy reinforcement "U" channel proof, light shall be mounted on the interior side of the door frames for 115 volt, 60 cycle, 1 phase A.C. service. All wiring shall be in concealed rigid conduit. A 2-1/2" diameter chrome face, flush mount, dual reading, adjustable dial thermometer shall be

Page 4 Live Oaks ES

Walk-in floor, DURA_FLOOR shall be fabricated similar to other panels and be

Floor will sit in leveled pit.

Two - 4' LED light fixtures shall be provided in the freezer and three - 4' LED light cooler door section toggle switch for the CFL vapor proof light and the freezer light

Basic refrigeration components shall consist of a 1-1/4 hp condensing unit of the Scroll type for the walk-in cooler, model RFD150E4SEA and a 6 hp Scroll type for the walk-in freezer, model RFO600L4SEB. Condensing units shall be self-contained, factory assembled and UL approved. The condensers shall be air-cooled. Condensing unit voltage to be 208-230v 3ph. Condensing units shall be installed in a similar position where existing units are located. All measurements must be field verified prior to construction by vendor.

freezer evaporator shall be a standard low profile series, model RL6E162DDA . All evaporators include electronically commutated motors.

Pages Live Oaks ES

The basic components shall be supplied in remote configuration and shall include condensing unit, evaporator coil, control kit (pressure control, thermostat, liquid line drier, sight glass, suction line vibration eliminator, expansion valve and evaporator of walk-in. Freezer drain shall be heated and insulated to prevent freezing. All

Page6 Live Oaks ES instructions. Dealer is to maintain on-site temperature check for 2 hours after start-up

Dealer is responsible for all wiring from the disconnects to the condensing units

Page 7 Live Oaks ES

Lake Park Elementary School assembly, disassembly, relocation and enlargement by the addition of like modular panels. Walk-in shall be designed and constructed as shown on plan. Overall exterior size of the walk-in cooler/freezer shall be approximately 16 ft 4 in x 10 ft 6 in x

8 ft 6 in ht. to fit exact job site requirements. Cooler section shall be approximately 9 ft 10 in x 7 ft 8 in (ID) and the freezer section approximately 9 ft 10 in x 7 ft 8 in (ID).

All measurements must be field verified prior to construction by vendor.

unexposed rear and side panels to be galvanized steel. Exterior finish of exposed front panels to be Stucco Aluminum. Interior finish to be Stucco Aluminum walls and

Pre-painted White Stucco Aluminum on the ceiling panels.

not have internal wood or metal support, framing, straps, or other non-insulating members. Each panel shall be 100% urethane foam insulation exclusive of metal pans. Perimeter structure shall be formed of DURATHANE, high density urethane

Page 2 Lake Park ES

/Fahrenheit/inch. As tested in accordance with ASTM C 518-2004, the R factor for coolers at temperatures of 55 degrees F is greater than 29.0 for 4" thick panels, set in the matching panel. All vertical joints must have a minimum of three lnsta-loks.

Rotation of the cam-action hook arm shall pull and lock panels together to form airtight, vapor proof joints. No metal straps or connecting rods shall be used inside the panels.

Page 3 Lake Park ES closer shall be included to ensure gentle closing action of door to opening and to are a self-closing design. Cooler door and freezer door to be right hinged.

cable shall be run under threshold consisting of heavy reinforcement "U" channel proof, light shall be mounted on the interior side of the door frames for 115 volt, 60 cycle, 1 phase A.C. service. All wiring shall be in concealed rigid conduit. A 2-1/2" diameter chrome face, flush mount, dual reading, adjustable dial thermometer shall be

Page 4 Lake Park ES

Walk-in floor, DURA_FLOOR shall be fabricated similar to other panels and be

One - 4' LED light fixtures shall be provided in the freezer and one - 4' LED light cooler door section toggle switch for the CFL vapor proof light and the freezer light type for the walk-in cooler, model RFO10OM4SEANT and a 3 ½ hp Scroll type for the walk-in freezer, model RFO350L4SEA. Condensing units shall be remote, self contained, factory assembled and UL approved. The condensers shall be air-cooled.

Condensing unit voltage to be 208-230v 3ph. Condensing units shall be installed in cooler evaporator shall be a standard low profile series, model RL6A073ADA, and the freezer evaporator shall be a standard low profile series, model RL6E090DDA. All

Page 5 Lake Park ES

The basic components shall be supplied in remote configuration and shall include condensing unit, evaporator coil, control kit (pressure control, thermostat, liquid line drier, sight glass, suction line vibration eliminator, expansion valve and evaporator of walk-in. Freezer drain shall be heated and insulated to prevent freezing. All

Page 6 Lake Park ES instructions. Dealer is to maintain on-site temperature check for 2 hours after start-up with pressure 'gauge check at the end of this time and is to also visually inspect and

Dealer is responsible for all wiring from the disconnects to the condensing units

Page 7 Lake Park ES

Sherwood Acres Elementary School assembly, disassembly, relocation and enlargement by the addition of like modular panels. Walk-in shall be designed and constructed as shown on plan. Overall exterior size of the walk-in cooler/freezer shall be approximately 26 ft 2 in x 15 ft 4 in x 8 ft 6 in

ht. to fit exact job site requirements. Cooler section shall be approximately 14 ft 8 in x 1Oft (ID) and the freezer section approximately 14 ft 8 in x 14 ft 7 in. (ID). All not have internal wood or metal support, framing, straps, or other non-insulating members. Each panel shall be 100% urethane foam insulation exclusive of metal pans. Perimeter structure shall be formed of DURATHANE, high density urethane

Page 2 Sherwood Acres ES

/FahrenheiUinch. As tested in accordance with ASTM C 518-2004, the R factor for coolers at temperatures of 55 degrees F is greater than 29.0 for 4" thick panels, set in the matching panel. All vertical joints must have a minimum of three lnsta-loks.

Rotation of the cam-action hook arm shall pull and lock panels together to form airtight, vapor proof joints. No metal straps or connecting rods shall be used inside the panels.

placement shall be within 1" increments to meet shelving space and job site requirements. Doors shall be manufactured to accommodate floor construction. Door

Page 3 Sherwood Acres ES closer shall be included to ensure gentle closing action of door to opening and to are a self-closing design. Cooler and freezer doors to be left hinged.

cable shall be run under threshold consisting of heavy reinforcement "U" channel proof, light shall be mounted on the interior side of the door frames for 115 volt, 60 cycle, 1 phase A.C. service. All wiring shall be in concealed rigid conduit. A 2-1/2" diameter chrome face, flush mount, dual reading, adjustable dial thermometer shall be

Page 4 Sherwood Acres ES

Four - 4' LED light fixtures shall be provided in the freezer and two - 4' LED light cooler door section toggle switch for the CFL vapor proof light and the freezer light between the top of the box and the dropped ceiling must be closed off with trim matching the walk-in finish. Exposed outside walls to have 1/8" treadplate 48" off finished floor.

Basic refrigeration components shall consist of a 1 ½ hp condensing unit of the Scroll type for the walk-in cooler, model RFO180E4SEA and a 6 hp Scroll type for the walk-in freezer, model RFO600L4SEB. Condensing units shall be remote, self contained, factory assembled and UL approved. The condensers shall be air-cooled.

Condensing unit voltage to be 208-230v 3ph. Condensing units shall be installed in cooler evaporator shall be a standard low profile series, model RL6A117ADA, and the freezer evaporator shall be a standard low profile series, model RL6E162DDA. All

Page 5 Sherwood Acres ES

The basic components shall be supplied in remote configuration and shall include condensing unit, evaporator coil, control kit (pressure control, thermostat, liquid line drier, sight glass, suction line vibration eliminator, expansion valve and evaporator of walk-in. Freezer drain shall be heated and insulated to prevent freezing. All

Cooler to operate at +35 degrees F and Freezer to operate at-10 degrees F.

Page 6 Sherwood Acres ES instructions. Dealer is to maintain on-site temperature check for 2 hours after start-up

Dealer is responsible for all wiring from the disconnects to the condensing units

The condensing units must be placed outside on roof of building where the existing

Page 7 Sherwood Acres ES

M.L. King Elementary School assembly, disassembly, relocation and enlargement by the addition of like modular panels. Walk-in shall be designed and constructed as shown on plan. Overall exterior size of the walk-in cooler/freezer shall be approximately 21 ft x 12 ft 6 in x 8 ft 6 in ht.

to fit exact job site requirements. Cooler section shall be approximately 11 ft 10 in x 7 ft 2 in (ID) and the freezer section approximately 11 ft 10 in x 12 ft 10 in (ID). All unexposed, panels to be galvanized steel. Exterior finish of exposed front panels to be not have internal wood or metal support, framing, straps, or other non-insulating members. Each panel shall be 100% urethane foam insulation exclusive of metal pans. Perimeter structure shall be formed of DURATHANE, high density urethane

Page 2 ML King

'Insulation shall be 4" thick rigid, zero ozone depleting HFC 134a blown Class I

/Fahrenheit/inch. As tested in accordance with ASTM C 518-2004, the R factor for coolers at temperatures of 55 degrees F is greater than 29.0 for 4" thick panels, set in the matching panel. All vertical joints must have a minimum of three lnsta-loks.

Rotation of the cam-action hook arm shall pull and lock panels together to form airtight, vapor proof joints. No metal straps or connecting rods shall be used inside the panels.

Page3 ML King ES closer shall be included to ensure gentle closing action of door to opening and to are a self-closing design. Cooler door to be left hinged and freezer doors to be right hinged.

cable shall be run under threshold consisting of heavy reinforcement "U" channel proof, light shall be mounted on the interior side of the door frames for 115 volt, 60 cycle, 1 phase A.C. service. All wiring shall be in concealed rigid conduit. A 2-1/2" diameter chrome face, flush mount, dual reading, adjustable dial thermometer shall be

Page4 ML King ES foot. Interior surface of floor panels to be foamed-in-place 1/8" Aluminum Treadplate. Floor will sit in leveled pit.

Three - 4' LED light fixtures shall be provided in the freezer and one - 4' LED light cooler door section toggle switch for the CFL vapor proof light and the freezer light type for the walk-in cooler, model RFO130E4SEA and a 5 hp Scroll type for the walk-in freezer, model RFO500L4SEB. Condensing units shall be remote, self contained, factory assembled and UL approved. The condensers shall be air-cooled.

Condensing unit voltage to be 208-230v 3ph. Condensing units shall be installed in

Page5 ML King ES freezer evaporator shall be a standard low profile series, model RL6E142DDA. All

The basic components shall be supplied in remote configuration and shall include condensing unit, evaporator coil, control kit (pressure control, thermostat, liquid line drier, sight glass, suction line vibration eliminator, expansion valve and evaporator of walk-in. Freezer drain shall be heated and insulated to prevent freezing. All

Page 6 ML King ES

38 degrees F and -1O degree F operating temperatures per vendor installation • instructions. Dealer is to maintain on-site temperature check for 2 hours after start-up

Page 7 ML King ES

Dealer is responsible for all wiring from the disconnects to the condensing units

The condensing units must be placed outside on the school roof where the existing

Monroe High School assembly, disassembly, relocation and enlargement by the addition of like modular panels. Walk-in shall be designed and constructed as shown on plan. Overall exterior size of the walk-in cooler/freezer shall be approximately 18 ft x 37 ft 3 in x 8 ft 6 in ht.

to fit exact job site requirements. Cooler section shall be approximately 11 ft 5 in x 15 ft 9 in (ID) and the freezer section approximately 17 ft 4 in x 20 ft 6 in (ID). All not have internal wood or metal support, framing, straps, or other non-insulating members. Each panel shall be 100% urethane foam insulation exclusive of metal pans. Perimeter structure shall be formed of DURATHANE, high density urethane

Page2

Monroe High School

/Fahrenheit/inch. As tested in accordance with ASTM C 518-2004, the R factor for coolers at temperatures of 55 degrees F is greater than 29.0 for 4" thick panels, set in the matching panel. All vertical joints must have a minimum of three lnsta-loks.

Rotation of the cam-action hook arm shall pull and lock panels together to form airtight, vapor proof joints. No metal straps or connecting rods shall be used inside the panels.

on both interior and exterior.· Gaskets shall be impervious to stains, grease, oils, Page 3 Monroe High School closer shall be included to ensure gentle closing action of door to opening and to are a self-closing design. Cooler and freezer doors to be right hinged.

cable shall be run under threshold consisting of heavy reinforcement "U" channel proof, light shall be mounted on the interior side of the door frames for 115 volt, 60 cycle, 1 phase A.C. service. All wiring shall be in concealed rigid conduit. A 2-1/2" diameter chrome face, flush mount, dual reading, adjustable dial thermometer shall be

Page4 Monroe High School

Walk-in floor, DURA-FLOOR, shall be fabricated similar to other panels and be door. Electrical service to be 115v/60/1 phase.

Two - 4' LED light fixtures shall be provided in the freezer and six - 4' LED light fixtures shall be provided in the cooler. Cooler light fixtures must be connected to the cooler door section toggle switch for the CFL vapor proof light and the freezer light fixtures must be connected to the freezer door section toggle switch for the CFL vapor proof light.

Basic refrigeration components shall consist of a 2 hp condensing unit of the Scroll type for the walk-in cooler, model RFO200E4SEA and a 3-1/2 hp Scroll type for the walk-in freezer, model RFO350L4SEA. NOTE: 2 SYSTEMS ARE REQUIRED FOR

THE FREEZER. Condensing units shall be remote, self contained, factory assembled and UL approved. The condensers shall be air-cooled. Condensing unit voltage to be

208-230v 3ph. Condensing units shall be installed in a similar position where existing units are located. All measurements must be field verified prior to construction by vendor.

Evaporators shall be forced air type with air flow parallel to the walk-in ceiling. The cooler evaporator shall be a standard low profile series, model RL6A141ADA, and the freezer evaporator shall be a standard low profile series, model RL6E090DDA. NOTE:

2 SYSTEMS ARE REQUIRED FOR THE FREEZER. All evaporators to include electronically commutated motors.

Pages Monroe High School

The basic components shall be supplied in remote configuration and shall include condensing unit, evaporator coil, control kit (pressure control, thermostat, liquid line drier, sight glass, suction line vibration eliminator, expansion valve and evaporator of walk-in. Freezer drain shall be heated and insulated to prevent freezing. All

Cooler to operate at +35 degrees F and Freezer to opera