ISD-E_Section 08113 Hollow metal doors.pdf

SECTION 081113 HOLLOW METAL DOORS

1. FIRE-RATED DOOR ASSEMBLIES: ASSEMBLIES COMPLYING WITH NFPA 80 THAT ARE LISTED AND LABELED BY A QUALIFIED TESTING AGENCY ACCEPTABLE TO AUTHORITIES HAVING JURISDICTION FOR FIRE-PROTECTION RATINGS INDICATED ON DRAWINGS, BASED ON TESTING AT POSITIVE PRESSURE IN ACCORDANCE WITH NFPA 252 OR UL 10C.

2. PROVIDE PRODUCTS BY STEELCRAFT OR APPROVED EQUAL.

3. INTERIOR HOLLOW METAL DOORS AND FRAMES

A. HOLLOW-METAL DOORS AND FRAMES: NAAMM-HMMA 860; ANSI/SDI A250.4, PHYSICAL PERFORMANCE

LEVEL A. AT LOCATIONS INDICATED IN THE DOOR AND FRAME SCHEDULE ON DRAWINGS.

B. DOORS:

a. TYPE: AS INDICATED IN THE DOOR AND FRAME SCHEDULE ON DRAWINGS.

b. THICKNESS: 1-3/4 INCHES (44.5 MM).

c. FACE: METALLIC-COATED STEEL SHEET, MINIMUM THICKNESS OF 0.042 INCH (1.0 MM).

d. EDGE CONSTRUCTION: CONTINUOUSLY WELDED WITH NO VISIBLE SEAM.

e. CORE: STEEL STIFFENED.

f. FIRE-RATED CORE: MANUFACTURER'S STANDARD VERTICAL STEEL STIFFENER AND/OR LAMINATED

MINERAL BOARD CORE FOR FIRE-RATED DOORS.

C. FRAMES:

a. MATERIALS: METALLIC-COATED STEEL SHEET, MINIMUM THICKNESS OF

0.053 INCH (1.3 MM).

b. CONSTRUCTION: FOR NEW CONSTRUCTION USE KNOCKED DOWN FRAMES. FOR EXISTING

CONSTRUCTION/REPLACEMENT USE SLIP-ON DRYWALL.

D. EXPOSED FINISH: PRIME AND PAINT AS PER PAINT SPECIFICATION AND FINISH SCHEDULE.

E. FRAME ANCHORS

a. JAMB ANCHORS:

1. TYPE: ANCHORS OF MINIMUM SIZE AND TYPE REQUIRED BY APPLICABLE DOOR AND FRAME

STANDARD, AND SUITABLE FOR PERFORMANCE LEVEL INDICATED.

2. QUANTITY: MINIMUM OF THREE ANCHORS PER JAMB, WITH ONE ADDITIONAL ANCHOR FOR FRAMES WITH NO FLOOR ANCHOR. PROVIDE ONE ADDITIONAL ANCHOR FOR EACH 24 INCHES (610 MM) OF

FRAME HEIGHT ABOVE 7 FEET (2.1 M).

3. POST INSTALLED EXPANSION ANCHOR: MINIMUM 3/8-INCH- (9.5-MM-) DIAMETER BOLTS WITH

EXPANSION SHIELDS OR INSERTS, WITH THE MANUFACTURER’S STANDARD PIPE SPACER.

b. FLOOR ANCHORS: PROVIDE FLOOR ANCHORS FOR EACH JAMB AND MULLION THAT EXTENDS TO FLOOR.

1. REFER TO SECTION 010001 “GENERAL NOTES” WILSON HALL CONDITIONAL REQUIREMENTS FOR

EXISTING SLAB PENETRATIONS.

c. FLOOR ANCHORS FOR CONCRETE SLABS WITH UNDERLAYMENT:

1. ADJUSTABLE-TYPE ANCHORS WITH EXTENSION CLIPS, ALLOWING NOT LESS THAN 2-INCH (51-MM)

HEIGHT ADJUSTMENT.

2. TERMINATE BOTTOM OF FRAMES AT TOP OF UNDERLAYMENT.

d. MATERIAL: ASTM A879/A879M, COMMERCIAL STEEL (CS), 04Z (12G) COATING DESIGNATION; MILL

PHOSPHATIZED.

1. FOR ANCHORS BUILT INTO EXTERIOR WALLS, STEEL SHEET COMPLYING WITH ASTM A1008/A1008M OR ASTM A1011/A1011M; HOT-DIP GALVANIZED IN ACCORDANCE WITH ASTM A153/A153M, CLASS B.

4. DOOR ASTRAGALS: PROVIDE OVERLAPPING ASTRAGAL ON ONE LEAF OF PAIRS OF DOORS WHERE REQUIRED BY NFPA 80 FOR FIRE-PERFORMANCE RATING OR WHERE INDICATED. EXTEND MINIMUM 3/4 INCH (19 MM) BEYOND EDGE OF DOOR ON WHICH ASTRAGAL IS MOUNTED OR AS REQUIRED TO COMPLY WITH PUBLISHED LISTING OF

QUALIFIED TESTING AGENCY.

5. STEEL FINISHES

a. PRIME FINISH: CLEAN, PRETREAT, AND APPLY MANUFACTURER'S STANDARD PRIMER.

b. SHOP PRIMER: MANUFACTURER'S STANDARD, FAST-CURING, LEAD- AND CHROMATE-FREE PRIMER COMPLYING WITH ANSI/SDI A250.10; RECOMMENDED BY PRIMER MANUFACTURER FOR SUBSTRATE;

COMPATIBLE WITH SUBSTRATE AND FIELD-APPLIED COATINGS DESPITE PROLONGED EXPOSURE.

c. FACTORY FINISH: CLEAN, PRETREAT, AND APPLY MANUFACTURER'S STANDARD TWO-COAT, BAKED-ON FINISH CONSISTING OF PRIME COAT AND THERMOSETTING TOPCOAT, COMPLYING WITH

ANSI/SDI A250.3.

d. COLOR AND GLOSS: REFER TO SHEET A-01