quincy specification_5-18-20.pdf

Quincy Community Schools May 18, 2020

PROJECT MANUAL

QUINCY COMMUNITY SCHOOLS

Jennings Elementary

Outdoor Walk-in Cooler and Freezer

Date: May 18, 2020

Architect:

s. allen design

ARCHITECTURE

49A W. Chicago Street

Coldwater, MI 49036

517-279-7787 sallencorp@cbpu.com

S. Allen Design

TABLE OF CONTENTS

Advertisement for Bids Instructions to Bidders Proposal Form

Division 1 General Requirements

Division 3 Concrete

Division 4 Masonry

Division 6 Carpentry

Division 11 Outdoor walk-in cooler/freezer

Division 1 - General Requirements

1.1 GENERAL

A. Provide all general condition items and costs necessary to complete the work including, but not limited to: supervision, permits, bonds, taxes, dumpsters and final housekeeping.

1.2 COORDINATION

A. Coordination: Coordinate construction activities included under various sections of these Specifications to assure efficient and orderly installation of each part of the work.

1.3 FIELD ENGINEERING:

A. Locate and layout the work and all its parts and establish lines and levels accurately.

Calculate and measure required dimensions within indicated or recognized tolerances.

Do not scale drawings to determine dimensions.

1. Report any discrepancies of locations, dimensions or measurement to Architect prior to commencing work.

2. Verify dimensions, including field measurements prior to ordering materials.

1.4 PRODUCT DATA:

A. Submit product data by email for products proposed for installation.

1.5 SAFETY

A. Establish safety provisions as necessary for the protection from injury to employees engaged in the execution of this Contract and to other person and to prevent damage to property, materials and equipment.

1.6 GUARANTEE

A. The Contractor shall guarantee all materials, equipment and workmanship against defects for a period of one (1) year from the date official acceptance. Any failure of materials during this period shall be removed and completely replaced and guaranteed for one year at no additional cost to the Owner. See the prefabricated outdoor cooler and freezer specification for additional warranties.

1.7 SELECTIVE DEMOLITION

A. Remove and dispose of demolition debris using labor, material, equipment and methods necessary for complete work per Construction Documents.

B. Repair and Replacement: The Contractor shall repair all work damaged by his operations to at least the same condition existing prior to commencement of the work.

Division 1 - General Requirements (cont.)

1.8 CONTRACT CLOSEOUT

A. Provide the following prerequisites to final acceptance:

1. Final payment request with supporting affidavits.

2. Completed punch list.

3. Final cleaning and touch up.

B. Final Release or Waiver of Lien

1. Signed release from subcontractors, subcontractor-subcontractors and material suppliers as required must be released within 30 days after final payment.

DIVISION 3 – CAST-IN-PLACE CONCRETE

A. Provide and install 4,000 psi cast-in-place concrete slab, including form work, reinforcing, and accessories for the Cooler/Freezer equipment pad. Work shall include removal of topsoil and 8” depth existing topsoil. Backfill and compact 4” of sand backfill and install vapor barrier.

B. Provide and install 3,000 psi concrete for post footings for new covered walk-way.

DIVISION 6 – CARPENTRY

A. Construct a covered walkway between the school and the new walk-in cooler/freezer. Covered walkway shall include treated wood posts, wood rafters, metal roof, ceiling and soffit.

DIVISION 11 – OUTDOOR WALK-IN COOLER AND FREEZER

1.1 GENERAL

The equipment provided shall be factory prefabricated and have unitized design. The equipment will allow installation without assembly and relocation without disassembly.

The equipment shall require an on-site contractor, responsible for pouring of concrete pad, connection of electrical power supply to each refrigeration system. Walk-in shall be Polar King International, Inc., Fort Wayne, Indiana or equal.

1.2 SUBMITTALS

A. Product Data: Provide manufacturers standard catalog data for the specified product demonstrating compliance with the standards.

B. Shop Drawings: Show layout of product components, assembly where required, anchorage, electrical and low voltage devices and final connections.

1.3.1 The walk-in shall bear the label of the following National Certification Agencies:

A. National Sanitation Foundation (NSF STD #7)

B. Underwriters Laboratory (Major Refrigeration Components)

C. Underwriters Laboratory (Major Electrical Components)

D. Underwriters Laboratory (Class I Urethane)

DIVISION 11 – Outdoor Walk-in Cooler and Freezer (cont.)

1.4 The walk-in shall comply with the following model building codes:

A. Building Officials Congress Association (BOCA)

B. National Electric Code (NEC)

2.0 SIZE AND CAPACITY

2.1 The walk-in shall be built to specified interior and exterior dimensions, as shown on the plans and drawings.

2.2 The walk-in shall have sufficient refrigeration to maintain +35° F temperature inside the cooler compartment when the ambient temperature is 100° F, the average number of door openings is 4 per hour, and there is no load from warm products entering unit. The refrigeration system shall be wired to run on 208V/60HZ/1PH power.

2.3 The walk-in shall have sufficient refrigeration to maintain -10° F temperature inside the freezer compartment when the ambient temperature is 100° F, the average number of door openings is 4 per hour, and there is no load from warm products entering unit. The refrigeration system shall be wired to run on 208V/60HZ/1PH power.

3.0 STRUCTURE

3.1 The walk-in structure shall be constructed with a fiberglass interior and exterior and a 4" urethane core. The interior and exterior fiberglass shell shall be completely seamless and will form a one-piece structure. The exterior shall be rust, dent and scratch resistant. The exterior shall be coated with an industrial enamel finish.

3.2 Partition walls shall be constructed in the same manner as the exterior walls with a 4" urethane core.

4.0 FLOOR

4.1 A 4" insulated (R-28) prefabricated floor shall be supplied. The floor shall be reinforced with woven fiberglass matting on top of a ½” plywood sub floor bonded to the urethane core forming a watertight seal. A skid resistant surface coating will be applied to the floor surface. The floor shall be constructed for permanent elevation 1-½” above grade. The elevation provides for air circulation under the floor to eliminate corrosion and the need for an insulated and / or ventilated slab. A welded, heavy-duty steel frame shall be encased in fiberglass and permanently bonded to the floor to ensure total portability without damage to the walk-in. The floor shall have the capacity to support 900 Ibs. / sq. ft. of evenly distributed load.

5.0 INSULATION

5.1 All insulation shall be rigid, unfaced, closed cell polyisocyanurate foam chemically bonded to the interior and exterior fiberglass to form a one-piece structure. Standard insulation thickness shall be 4” for coolers and 5” for freezers.

5.2 The thermal conductivity (K) shall not exceed .165 (BTU's/in/sq. ft./hr. F). The thermal resistance

(R) factor shall not be less than 25 for coolers or 32 for freezers.

5.3 The insulation shall be U.L. Class 1 having a flame spread of not more than 25, fuel contributed of 0, and smoke developed of 185.

6.0 LIGHTING

6.1 Unit shall be complete with fluorescent light fixtures factory installed and tested for proper operation prior to shipment. A 23-watt compact fluorescent bulb shall be used for each 50 sq.

ft. of interior floor space and controlled with a wall switch. Lights shall be contained in a vapor-proof fixture.

7.0 DOORS

7.1 Doors shall be constructed in the same manner, material and thickness as the walls.

7.2 All doors opening into a controlled temperature room shall be supplied with doorframe heaters, which shall supply sufficient heat to prevent condensation or frost accumulation.

7.3 Doors shall be provided with a magnetic gasket around the perimeter. Flush bottom doors shall be provided with adjustable vinyl sweep gasket. When door is closed, it shall form a positive airtight seal. Door gasket shall be installed in retainer strips for easy replacement in the field.

7.4 Doors shall incorporate a positive snap action latch with adjustable strike. The latch shall be equipped with cylinder lock and OSHA approved inside safety release mechanism to prevent entrapment. The hardware shall be chrome finished and mounted with stainless steel tamper-proof screws.

7.5 Doors shall be equipped with three heavy-duty door hinges. They shall be cam lift type, self-closing, with nylon bearings and door lift-off capability. Hardware shall be chrome finish.

7.6 Doors shall be equipped with vinyl strip door, vinyl swing doors or spring assisted hinges.

7.7 Doors shall be equipped with automatic hydraulic cylinder type door closer.

7.8 Doors shall be hinged as shown on the drawings.

7.9 The following doors are required in the location as shown on the plans and drawings.

7.10 Entry doorjamb shall include a vapor-proof switch and visible pilot light to indicate when lights are in the "ON" position.

8.0 THERMOMETER

8.1 Entry door shall be supplied with 2", flush face dial-type thermometer. Thermometer shall be NSF approved.

9.0 HASP LOCK

9.1 All entry doors not specified as thru-wall or partition type doors shall be equipped with a door hasp lock to prevent unauthorized entry into the walk-in. The hasp lock shall be supplied with an inside safety release mechanism.

10.0 DOOR WEATHER HOOD

10.1 A weather hood shall be supplied on all exterior doors.

10.2 The weather hood shall act to divert rain and ice from gasket area of all exterior doors. It shall match exterior wall finish and shall be factory mounted.

11.0 OPTIONAL ACCESSORIES

11.1 The following optional accessories are to be provided with the walk-in and shall be factory installed.

11.2 Exterior Door Ramp: Shall be sized the width of the door x 30" long.

11.3 18 ga. Stainless Steel Door Kick plate Set: Shall not be less than 18" high x width of door and of 18 ga. type 304 stainless steel with corners beveled and deburred. Plates applied to both sides of door.

11.4 Door Closer (Hydraulic Cylinder Type): Shall be mounted to top center of door and jamb to provide positive closing of door.

11.5 Fluorescent Lighting: Shall be factory installed in unit. Fixtures shall be surface mount, 4 ft., two bulbs, -20° F ambient ballast type NSF approved and so labeled.

11.6 Pressure Relief Vent (Cooler): Shall include interior and exterior covers, 120V/60HZ/1PH antifreeze heater assembly, closable damper assembly to close when not venting, and a PVC sleeve to protect urethane foam in wall structure. A pressure relief vent standard on freezers.

11.7 Hurricane Anchors: Shall be factory provided for installation by others. The anchors shall be installed by placing the 1-1/8" x 2" flat steel bar into the 1-1/2" x 3", rectangular steel tubing permanently attached to floor of walk-in and bolting the anchor down to the concrete slab by placement of (1) 5/8" diameter Hilti Kwik Bolt II expansion anchor bolt (or equivalent) for each tie down plate.

11.8 Extra Heavy Duty Sealed Floor: Shall have 3/4" plywood sub floor permanently bonded to the urethane insulation core. Floor shall have fiberglass matting bonded to sub-floor to form a watertight seal. Floor shall be slip resistant and suitable for heavy foot traffic, two or four wheel carts and keg storage. The floor shall have capacity to support 1000 Ibs. / sq. ft. of evenly distributed load.

12.0 SELF CONTAINED REFRIGERATION SYSTEM

12.1 Packaged refrigeration system shall be manufactured and factory installed by the walk-in unit manufacturer.

12.2 System shall be complete and ready to operate without field assembly, installation, or start-up required.

12.3 Refrigerants shall be non-flammable type R-404a or other acceptable substitute when necessary.

12.4 Electrical controls including system breakers shall be supplied, installed and ready to operate with single point electrical connection by others.

12.5 Refrigeration system shall be complete with the following: roof mount type horizontal discharge air cooled condenser, Copeland hermetic, semi-hermetic or scroll compressor (or equal) with overload protection and contactors (as required), weather hood finished to match exterior wall finish, fan guards, receiver tank with liquid shut off valve, suction line accumulator (on 3 HP systems and higher only), liquid line filter / drier and sight glass, high / low pressure control, liquid line solenoid valve, crankcase heater, low ambient controls to -20° F, room thermostat and U.L.

labeled electrical control panel wired in accordance with N.E.C. standards.

12.6 Evaporator coils shall be furnished with electronically commutated fan motors and appropriate defrost for operating temperature range.

12.7 Electric defrost shall be included on all refrigeration systems operating at +32° F and below.

Electric defrost shall be time initiated and temperature terminated with time override and fan delay to reduce room condensation. All condensate pans shall be piped to copper drain line complete with heat tape exiting the wall nearest to drain pan. Evaporators shall be located as shown on plans and drawings.

12.8 Refrigeration systems operating at +33° F and above shall be off-cycle air defrost. Defrost periods shall be time initiated and time terminated. All condensate pans shall be piped to PVC drain line exiting the wall nearest to drain pan. Evaporators shall be located as shown on plans and drawings.

13.0 PRESSURE RELIEF VENT

13.1 All freezer compartments shall be supplied with a heated pressure relief vent. It shall include interior and exterior covers, 120V/60HZ/1PH antifreeze heater assembly, closable damper assembly to close when not venting and a PVC sleeve to protect urethane foam in wall structure.

END OF SPECIFICATIONS