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1_4 All panels are to bear the UL and NSF label. The panels shall reinforced plastic(FRP)or extruded aluminum for bearing strength.All incorporate cam lock type fasteners with reverse wing structural support doors shall have an anti-sweat heater wire around the entire perimeter as joining devices for the adjacent tongue and groove panels. Each of the door opening and under threshold. device is to consist of a cam action locking arm and a steel rod in �The heate�wire(standard in both coolers and freezers)shall provide adjoining panel so that by rotating the locking arm,the hook engages enough heat to prevent condensation.All conduit for the inner-wiring over the rod and the cam action draws the panel together.The resulting of the door panel shall be totally concealed in the polyurethane foam panel joints shall be sealed by a foamed-in-place, continuous one panel,exposed conduit is not acceptable. piece gasket. 1_5 Panel joints are to be precisely formed male and female tongue and 6_6 Door section to be field wired to surface mounted junction box on the interior door panel.The door size,location and swing to be as indicated groove shapes fabricated to force the male edge to contact the female in Specificatio s Drawings. edge, providing additional seal. The panel joint shall have a gasket which provides a positive seal that meets NSF standards.Gasket shall I Door harZare shall be highly polished chromium plated steel. be "locked" to the skins and run in a continuous piece, completely Hardware shall include a spring actuated door closer,field adjustable around the panel with only one break to provide the optimal seal. cam lift hinges, one spring hinge & deadbolt locking handle with 2.0 INSULATION independent k I y/padlock feature and inside safety release.All hardware shall be attached to extra large 1/2 inch thick,nonconducting synthetic 2_1 Insulation shall be a full 4 inches or 5 inches thick, UL Class 1 tapping plate rigid foamed-in-place HFC-245fa polyurethane with a minimum 2.15 Ibs/ 6_8 Digital thermometer calibrated to indicate interior walk-in temperature cubic foot density. Foam polyurethane shall be injected into the panels shall be provided with each entrance door. by means of a high output,high impingement mixer. 2_2 The R-values for 4"HE panels are: �High output low profile LED light with approximately twice the light output of a standard 60W incandescent or 13-15W CFL,guaranteed for Cooler: 5 years or 35,000 hours. Light is positioned above the door to prevent Walls/Ceilings R-value 25 interference th shelving or product. Locate light switch with pilot light Doors R-value 25 adjacent to door, on exterior handle side of door section,with all inner Freezer: wiring in conduit concealed inside the door section and terminated at Walls/Ceilings R-value 32 a surface mounted junction box on the interior door frame.Fixture shall Doors R-value 32 Floors R-value 28 operate on 120 VAC. 7.0 INSTALLATION AND MAINTENANCE: 2_3 Insulation shall be 90%closed cell structure. Flame spread rating according to ASTM E-84/UL 723 shall be 25 or less. 7_1 Included with each walk-in shipment is a complete set of installation 2_4 The use of R-12 and/or R-22 as a blowing agent is specifically instructions covering all phases of panel erection, accessories, and prohibited. maintenance procedures. 3.0 FLOOR STYLES: 6.0 APPROVALS: 3 1 Less floor 4"wall walk-ins shall be supplied with PVC extruded floor have 81 Walk-in construction is approved by NSF International and shall sealers with semi-flexible edges,which seal to floor without the use of _ the NSF(seal on the door section. exposed fasteners.Sealer shall encase the wall panel on both interior 8-2 Walk-in panels shall have a UL flame spread rating of 25. and exterior surfaces with a flexible rubber collar a minimum of 3"high 8_3 The door(section shall be UL and CSA approved as an electrically from finished building floor.Sealer shall meet NSF requirements for floor approved assembly. cove molding.Additional less floor options include female bottom rail walls for 4"and 5"thick walk-ins and various height foam sealers for 4" 8_4 City of Houston approved,Oregon State approved,State of Wisconsin thick walk-ins.Consult factory for detailed specifications. Building Product approved,USDA accepted. 3.2 With floor walk-ins shall be a full 4 inches thick with one piece 9.0 WARRANTIES: foamed-in-place edge caps.Edge caps include metal formed adhesion 9.1 Manufacturer shall provide a written warranty to the owner stating edges which result in the edge caps being a foamed integrated member the product is free from defects or workmanship under normal use and of the floor panels.Glued-in-place edge caps are not acceptable.Floor service.Warranty shall become effective following the acceptance date panels shall be designed to withstand uniformly distributed loads of 800 and cover the insulated panels for a period of fifteen years and parts for pounds per square foot.The joint between the floor and wall shall form a period of 18 months. a NSF approved 45'angle to allow for easy cleaning. 10.0 QUALITY ASSURANCE: 4.0 CEILING PANELS: 10.1 To insure the finest quality in material and workmanship the above 4_1 Ceiling panels shall be a full 4 inches or 5 inches thick with one piece specifications shall be held in full compliance.Please specify the walk-in foamed-in-place edge caps.Edge caps include metal formed adhesion cooler or freezer is to be as manufactured by Nor-Lake,Incorporated. edges which result in the edge caps being a foamed integrated member 10.2 Contact Nor-Lake, Incorporated for a copy of the most detailed of the ceiling panels.Glued-in-place edge caps are not acceptable. Specification Manual available in the Foodservice Industry. 4_2 Metal face skins are to incorporate seams using a double 90'bend at a maximum width of two feet for additional strength.The joint between 11.0 SITE CONDITIONS: the ceiling and wall shall form a 45°angle to allow for easy cleaning. 11_1:To assure proper operation, site conditions should be controlled. 5.0 FINISHES: The walk-in product should be in a well ventilated location. Indoor ambient conditions should be controlled, relative humidity between 5.1 The interior and exterior walls and interior ceiling shall be supplied 30%-60%and maintaining a dew point of 50OF(or less). with 26 gauge corrosion resistant stucco embossed coated steel.The interior floor surface(when applicable)shall be.100 smooth aluminum. Other finisheds are available. 6.0 DOOR CONSTRUCTION: 6_1 Entrance door shall be in fitting,flush design.The door section shall ` provide a full 4 inches or 5 inches of polyurethane HFC-245fa insulation, construction and finish shall be the same as the adjoining wall panels. _ 6_2 The door shall be 4 inches thick,constructed to incorporate heavy duty,molded ABS breaker strip,which is permanently foamed-in-place. Bottom of door shall seal with double sweep gaskets,uniquely designed Im tj wo Pa to provide complete seal between door,threshold,and doorjamb. 21.8thndex. 6_3 Doorjamb to be a fully coved,extruded,welded,structural anodized Food Service Equipment Group aluminum,rigid frame design for easy cleaning and maintenance. Revision Date:4/19 9 9 Y 9 All specifications subject to change without notice. 6.4 Threshold plate provided shall be constructed of fiberglass 02019 Nor-Lake,Inc.A division of Standex International ©2019 NOR-LAKE,INC. Corp.All rights reserved.Printed in the USA. Part Number:090773