RAY-BAR Neutron Shielded Door Specifications
Section 08300 Specialty Doors

PART 1 - GENERAL

1.01 SUMMARY

A.  Section includes: Shielded Doors

B.  Related sections:

1.  Field finish painting: Section 09910
2.  Steel door frames - 1/4" thick steel plate: Section 05400
3.  Automatic door operators' Section 08715
4.  X-Ray Protection / Radiation Shielding: Section 13090

1.02 SUBMITTALS

A.  Shop Drawings: Provide for all doors and other related materials specified in this Section.

Indicate door construction and reinforcement for hardware.

1.03 PRODUCT HANDLING

A.  Follow special storage and handling requirements of the manufacturer

PART 2 - PRODUCTS

2.01 ACCEPTABLE MANUFACTURERS

Ray-Bar Engineering Corporation 697 West Foothill Blvd, PO Box 415, Azusa Ca 91702-0415 Phone (626) 969-1818, Fax (626) 969-6510

2.02 MATERIALS

A.  Faces: 1/4" thick steel. Prime quality, cold rolled, pickled, annealed carbon steel sheets conforming to ASTM# 366

B.  Edges: 1/2" thick steel. Prime quality, cold rolled, pickled, annealed carbon steel sheets conforming to ASTM# 366

C.  Core: _____" of 5% borated polyethylene (BPE) and _____" pure lead plate per QQ-L-201f, Grade C.

* Reference radiation shielding report for thickness of BPE and/or thickness of lead plate.

D.  Hardware: Hinges: Per door manufacturer's recommendations.

E.  Shop paint: Pre-treatment and manufacturer's standard rust inhibitive primer.

2.03 FABRICATION

1.    Fabricate metal work to required profiles for forming and welding exposed edges straight and sharp or radiused.

2.    Fit and fabricate accurately with corner hairline joints and all surfaces free from warp, wave, buckle and other defects.

3.    Welding: In accord with AWS Standards. Grind all exposed welds smooth.

PART 3 - QUALITY ASSURANCE

A.  Comply with requirements of National Council on Radiation Protection and Measurement (NCRP) Report No. 49 "Structural Shielding Design and Evaluation for Medical Use of X-Rays and Gamma Rays of Energies up to 10MeV" and NCRP Report No. 51.

1.    Comply with requirements of local, regulatory agencies where standards and criteria exceed NCRP Report No. 49

B.    Fabricator Qualifications: Fabricator shall be experienced in and equipped for work of fabrication equal to standards specified herein. The fabricator shall furnish evidence of fabricator having not less than ten (10) years experience in successful fabrication of radiation protection materials, similar to products specified herein.

1.    Fabricator shall furnish proof of insurance certifying Fabricator is specifically insured in the manufacture of X-Ray Protection / Radiation Shielding Materials.

Single Source Responsibility: Provide X-Ray Protection Materials and accessories produced as standard products of Ray-Bar Engineering Corporation, 697 W Foothill Blvd, PO Box 415, Azusa California 91702-0415, Phone (626) 969-1818, a manufacturer regularly engaged in the production of X-Ray Protection Materials.

PART 4 - EXECUTION

4.01 INSTALLATION

A.    Obtain field dimensions as necessary for proper fit.

B.    Install doors and finish hardware. Coordinate installation with automatic door operators specified in Section 08715.

C.    Test doors and adjust hardware for proper operation.

4.02 CERTIFICATION

Upon completion of material, manufacturer shall supply a certificate of compliance stating that all materials are in accordance with this specification.

END OF SECTION

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