**November 21, 1997**

**Contract \# TW-0928**

**SPECIAL SPECIFICATION**

**SECTION 11470 -S**

**[DARKROOM EQUIPMENT]{.underline}**

[Page]{.underline}

[PART 1 - GENERAL]{.underline}

1.01 Summary 2

1.02 Submittals 2

1.03 Quality Assurance 3

1.04 Delivery, Storage, and Handling 3

1.05 Project Conditions 3

1.06 Warranty 3

[PART 2 - PRODUCTS]{.underline}

2.01 Manufacturers/Suppliers 4

2.02 Processing Sinks 4

2.03 Safelights 5

2.04 Illuminated Sign 5

2.05 Rotary Darkroom Door 6

2.06 Lightproof Doorstops 6

2.07 Darkroom Curtain 7

[PART 3 - EXECUTION]{.underline}

3.01 Installation 7

3.02 Cleaning and Protection 7

**SPECIAL SPECIFICATION**

**SECTION 11470-S**

**[DARKROOM EQUIPMENT]{.underline}**

THIS SECTION USES THE TERM \"ARCHITECT.\" CHANGE THIS TERM AS NECESSARY
TO MATCH THE ACTUAL TERM USED TO IDENTIFY DESIGN PROFESSIONAL AS DEFINED
IN THE GENERAL AND SUPPLEMENTARY CONDITIONS.

[PART Number range level0Number range level1Number range level2Number
range level3Number range level4Number range level5Number range
level6Number range level71 ‑ GENERAL]{.underline}

1.01 [SUMMARY]{.underline}

A. Section Includes:

1\. Sinks and Fittings

2\. Safelights

3\. Illuminated Sign

4\. Rotary Darkroom Doors

5\. Lightproof Doorstops

6\. Darkroom Curtains

B. Related Sections:

1\. Division 15: Furnishing and installation of plumbing utilities and
final connections to service fittings.

2\. Division 16: Furnishing and installation of electrical utilities and
final connections to equipment.

1.02 [SUBMITTALS]{.underline}

A. Product Data: Submit manufacturer\'s data for each item of darkroom
equipment specified. Include component dimensions, configurations,
construction details, joint details, and utility service requirements
and locations.

B. Shop Drawings:

1\. Provide 3/4 inch = 1\'‑0\" scale elevations of individual casework
units, cross sections, rough‑in and anchor placements, tolerances and
clearances. Indicate relation of units to surrounding walls, doors and
other building components.

2\. Provide 1/4 inch = 1\'‑0\" rough‑in plan drawings for coordination
with trades.

3\. Provide 1 set of sepia reproducible prints and 1 set of
blueline prints.

C. Submit the above in accordance with section 1300-S.

1.03 [QUALITY ASSURANCE]{.underline}

A. Single Source Responsibility: Casework, work surfaces, darkroom
equipment and accessories manufactured or furnished by a single darkroom
equipment supplier.

B. Manufacturer\'s Qualifications: 5 years or more experience in the
manufacture of darkroom equipment of type specified.

1.04 [DELIVERY, STORAGE, AND HANDLING]{.underline}

A. Ship equipment in sections, as required, to allow the largest
components to fit through a standard 3\'‑0\" by 6\'‑8\" door.

B. Store equipment in a clean, dry location, protected against damage of
any kind. Cover with tarpaulin or polyethylene sheeting. Allow for air
circulation inside the covering.

C. Protect all work surfaces throughout construction period with
1/4 inch corrugated cardboard completely covering the top and securely
taped to edges.

1.05 [PROJECT CONDITIONS]{.underline}

A. Do not deliver or install equipment until the following conditions
have been met:

1\. Building areas are dry and unexposed to adverse weather conditions
which may damage finished materials.

2\. Interior building temperatures are above 65 degrees Fahrenheit in
areas of casework and equipment installation to permit the proper curing
of epoxy sealants and adhesives.

1.06 [WARRANTY]{.underline}

A. Provide a 1 year warranty against defects in materials
and workmanship.

[PART 2  PRODUCTS]{.underline}

2.01 [MANUFACTURERS/SUPPLIERS]{.underline}

A. Kreonite, Inc.

P.O. Box 2099

Wichita, Kansas 67201

(316) 263‑1111

B. Leedal, Inc.

1918 South Prairie Avenue

Chicago, Illinois  60616

(312) 842‑6588

C. Photolab Innovations

3328 Monte Carlo Court

Lancaster, California  93536

(805) 722‑3170

D. Photo Lab Fabrications

159 Brightside Avenue

Central Islip, New York  11722

(800) 422‑0101

E. Kreonite, Inc. or Photo Lab Fabrications Model Numbers are indicated
on the Drawings.

[Substitutions]{.underline}: only under provisions of Section 1600-S.

2.02 [PROCESSING SINKS]{.underline}

A. Manufacturer: Kreonite Model Number 2465E2C.

B. Construction: Each sink unit completely assembled at the factory and
consisting of the sink, base cabinet, and prepiped fittings and
equipment. Base cabinets as described for darkroom casework.

C. Sink Materials and Fabrication: Fabricated with a polyester resin
work surface, reinforced with a glass fiber mat. Work surface resistant
to the corrosive effects of chemicals required in photographic and
graphic arts processing. One piece molded construction with radius
inside and outside corners and bottom sloped to ensure
positive drainage.

D. Fittings: Provide units with the following equipment and fittings
factory mounted and prepiped:

1\. Water temperature blender: Kreonite Model KTB251; jet inlets,
blended water valve, jet control, vacuum breaker, and thermometer.

2\. Faucet: Kreonite Model KF220S; hot water valve, cold water valve,
and spray hose.

3\. Water filter: Kreonite Model KWF600; 25 micron, blended water only.

4\. Faucet: Kreonite Model KFC110VB; single valve, vacuum breaker.

5\. Spout end: Kreonite Model KSE3; for hose attachment for blended and
filtered water from KTB250 blender.

6\. Standpipe and basket strainer; Kreonite Model KSP1; 1 inch size.

7\. Provide 1/2 inch hot water, 1/2 inch cold water, and 1‑1/2 inch
drain connections.

8\. Plumbing equipment package shall provide filtered water at
all fixtures.

E. Chiller: Provide each sink unit with factory installed water chiller;
Kreonite Model KR100‑IN. Chiller installation shall include piping and
changeover valves. Electrical requirements: 1 horsepower,
5.8 amps, 208/60/1.

2.03 [SAFELIGHTS]{.underline}

A. Thomas Duplex safelights, Type DUB for black and white printing.

B. Provide unit with 3 available levels of illumination and built‑in
filter with adjustable louvers to hold added filters. Soft orange‑yellow
light from quartz sodium‑vapor discharge tube.

C. Mounting: Suspended from ceiling to provide indirect lighting.

D. Electrical: 35 watts, 120/60/1. Provide with a 3 wire grounding plug
to plug into a ceiling mounted outlet.

2.04 [ILLUMINATED SIGN]{.underline}

A. Type: Wall mounted to read \"DARKROOM IN USE\" when illuminated.

B. Size: 12 inches wide by 3 inches deep by 8 inches high.

C. Electrical: 210 watts; 2.5 amps; 120/60/1.

2.05 [ROTARY DARKROOM DOOR]{.underline}

A. Size:

**Kreonite Door Door Opening Opening**

**Type Model No. Width Height Width Height**

2‑Way KRD 36‑2W 35\" 82‑1/4\" 36 80\"

B. Construction

1\. Rigid high‑impact petroleum hydrocarbon polystyrene.

2\. Steel structural members.

3\. Reinforced steel flanges around the outside.

4\. Breakaway aluminum flange bolted to a steel mounting flange.

C. Features:

1\. Rotation from inside and outside.

2\. Suspension and lower guide bearings.

3\. Wrap around aluminum handrail.

4\. Finger grips around the outside.

5\. Security lock.

6\. Breakaway hardware.

2.06 [LIGHTPROOF DOORSTOPS]{.underline}

A. Manufacturer: Kreonite, Inc. Model PLFLTK with Number 485 perimeter
door seal and Number 361 sill protection.

B. Perimeter Door Seal: Extruded aluminum housing with a solid
neoprene plunger.

C. Sill Protection: Drop seal constructed of closed cell sponge neoprene
with an extruded aluminum housing.

D. Devices to operate automatically and be weatherproof, lightproof
and soundproof.

2.07 [DARKROOM CURTAIN]{.underline}

A. Curtain Material: Composed of 34 percent SEF modacrylic, 32 percent
Saran flat monofilament and 34 percent viscose rayon; double‑vinyl
laminated back for opacity. The material to be inherently and
permanently flame resistant and pass the flame resistance requirements
in accordance with NFPA Standard Number 701.

B. Panels: Sew flat with 10 percent fullness. Seams sewn with no raw
edges. Curtain top to be grommeted on 8 inch centers and bottom edge
weighted and overlap with floor. Outside vertical edges provided with
Velcro quick seal strips to facilitate light trap overlaps and easy
attachment to walls.

C. Valances: Provide with front and rear light trap valances. The
valances made of the same blackout curtain material, sewn with pleats,
with a sewn‑on Velcro strip, and mounted to the curtain track assembly
using the light trap interface.

D. Curtain Track: Constructed of satin anodized aluminum designed for
surface mounting to the underside of the ceiling. Extruded aluminum
box‑channel 1‑3/8 inches by 3/4 inch, slotted on the underside to
receive 2‑wheeled carriers. The track to serve as an integral part of
the valance assembly. Fastening not more than 3\'‑0\" on centers.
Corners to be 1 piece, 12 inch radius, 90 degrees track sections.
Provide with hook carriers, end caps, snap‑outs, and connectors.

[PART 3  EXECUTION]{.underline}

3.01 [INSTALLATION]{.underline}

A. Deliver to job site, uncrate, place in location, and assemble all
equipment specified herein. Remove all debris and crating materials.

B. Install laboratory darkroom equipment in strict accordance with the
manufacturer\'s recommendations, including recommended operating and
servicing clearances.

C. Mechanical Hookups: Under Division 15.

D. Electrical Hookups: Under Division 16.

3.02 [CLEANING AND PROTECTION]{.underline}

A. Repair or remove and replace defective work upon completion
of installation.

B. Clean equipment, touch up as required, and remove and refinish
damaged or soiled areas.

C. Cover equipment for protection against soiling and deterioration
during remainder of construction period.

D. Clean equipment as recommended by the manufacturer and leave free of
all grease and streaks. Use no wax or oils.

E. Protect equipment before, during, and after installation. Materials
damaged due to improper protection shall be cause for rejection.

END OF SECTION