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SECTION 08 31 00
FLOOR ACCESS DOORS
 
 
Copyright 2017 - 2017 ARCAT, Inc. - All rights reserved
** NOTE TO SPECIFIER ** The BILCO Company; floor access doors.
This section is based on the products of The BILCO Company, which is located at:
P. O. Box 1203
New Haven, CT 06505-1203
Toll Free Tel: 800-366-6530
Fax: 203-535-1582
Email: request info (bilco@bilco.com)
Web: www.bilco.com
[ Click Here ] for additional information.
The BILCO Company has served the building industry since 1926. During these years it has built a reputation among architects, engineers, specifiers, and the construction trades for dependability and for products that are unequaled in design and workmanship. BILCO, a wholly owned subsidiary of AmesburyTruth which is a division of Tyman PLC, has been a pioneer in the development of specialty access products for commercial and residential construction markets.
The BILCO Company continues to be the industry leader in the design and manufacture of specialty access products. In order to better serve its customers, BILCO has added manufacturing facilities and strategic distribution throughout the world, along with establishing an extensive international network of factory-trained representatives. These representatives, combined with BILCO's highly skilled and dedicated personnel, ensure a level of customer service that is unequaled in the industry. As the leader in design innovation, many of BILCO's products incorporate features for which numerous U.S. and international patents have been issued. Years of engineering experience, coupled with manufacturing facilities utilizing the most modern equipment available, allows BILCO to design and fabricate access products for virtually every application.
The BILCO Company is committed to producing access products that are unequaled in quality, design and workmanship. BILCO products are fabricated to consistently high quality standards to ensure complete customer satisfaction. As part of its commitment, BILCO has implemented a LEAN manufacturing quality and continuous improvement system that has achieved ISO 9001 certification.
 
PART 1 GENERAL
 
1.1
SECTION INCLUDES
 
** NOTE TO SPECIFIER ** Delete items below not required for the project.
 
A.
Floor Access Doors of the Following Types:
1.
Fire Rated: Type FR. Single leaf.
2.
High Load Capacity: Type HLC. Single leaf.
3.
Channel Frame: Type J. Single leaf, Steel.
4.
Channel Frame: Type J-H20. Single leaf, Steel, H-20 loading.
5.
Channel Frame: Type J-AL. Single leaf, Aluminum.
6.
Channel Frame: Type J-AL H20. Single leaf, aluminum, H-20 loading.
7.
Channel Frame: Type JD. Double leaf, Steel.
8.
Channel Frame: Type JD-H20. Double leaf, Steel, H-20 loading.
9.
Channel Frame: Type JD-AL. Double leaf, Aluminum.
10.
Channel Frame: Type: JD-AL H20. Double leaf, Aluminum, H-20 loading.
11.
Angle Frame: Type K: Single Leaf, Aluminum.
12.
Angle Frame: Type KD: Double Leaf, Aluminum.
13.
Precast Vault: Type PCM. Single leaf, Aluminum.
14.
Precast Vault: Type PDCM. Double leaf, Aluminum.
15.
Angle Frame: Type Q. Single leaf, Steel.
16.
Surface Mount: Type SM. Single leaf.
17.
Concealed: Type T: Single Leaf, Carpet or Composite Tile.
18.
Concealed: Type TD: Double Leaf, Carpet or Composite Tile.
19.
Concealed: Type TER. Single leaf, Architectural Flooring.
20.
Concealed: Type TRD. Double leaf, Architectural Flooring.
B.
Fall Protection Grating System: Type FPG.
1.2
RELATED SECTIONS
 
** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
 
A.
Section 07 72 30 - Rooftop Pipe Support*- Roof Hatches.
B.
Section 07 72 26 - Ridge Vents.
C.
Section 07 72 53 - Snow Guards.
D.
Section 08 33 00 - Overhead Coiling Doors and Grilles.
E.
Section - .
1.3
REFERENCES
A.
American Association of State Highway and Transportation Officials (AASHTO):
1.
AASHTO H-20 - Live Loading for Bridges.
B.
ASTM International (ASTM):
1.
ASTM E119 - Standard Test Methods for Fire Tests of Building Construction and Materials.
C.
National Fire Protection Association (NFPA):
1.
NFPA 251 - Standard Methods of Tests of Fire Resistance of Building Construction and Materials.
D.
Occupational Safety and Health Administration (OSHA)
1.
OSHA 29 CFR 1910.23 - Guarding Floor and Wall Openings and Holes.
E.
Underwriters Laboratories (UL).
1.4
SUBMITTALS
A.
Submit under provisions of Section 01 30 00 - Administrative Requirements.
B.
Product Data: Manufacturer's data sheets on each product to be used, including:
1.
Test reports.
2.
Preparation instructions and recommendations.
3.
Storage and handling requirements and recommendations.
4.
Installation methods.
C.
Shop Drawings: Include system components, utility requirements and connections, relationship with adjacent construction. Include required clearances and access for servicing.
1.5
QUALITY ASSURANCE
A.
Manufacturer Qualifications: Minimum 5 years experience manufacturing similar equipment.
B.
Installer Qualifications: Minimum 2 years experience installing similar equipment.
1.6
DELIVERY, STORAGE, AND HANDLING
A.
Store products in manufacturer's unopened packaging until ready for installation.
1.7
PROJECT CONDITIONS
A.
Maintain environmental conditions (temperature, humidity, and ventilation) within limits recommended by manufacturer for optimum results. Do not install products under environmental conditions outside manufacturer's recommended limits.
1.8
WARRANTY
A.
Manufacturer's Warranty: Provide manufacturer's standard warranty. Materials shall be free of defects in material and workmanship for a period of five years from the date of purchase. Should a part fail to function in normal use within this period, manufacturer shall furnish a new part at no charge.
PART 2 PRODUCTS
 
2.1
MANUFACTURERS
A.
Acceptable Manufacturer: The BILCO Company, which is located at: P. O. Box 1203; New Haven, CT 06505-1203; Toll Free Tel: 800-366-6530; Fax: 203-535-1582; Email: request info (bilco@bilco.com); Web: www.bilco.com
 
** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
 
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 - Product Requirements.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.2
FIRE RATED FLOOR ACCESS DOORS, TYPE FR
A.
Basis-of-Design: Type FR Single Leaf, Fire Rated Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance Characteristics:
1.
Cover:
a.
Minimum Live Load: 40 lbs per sq ft (19 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
2.
Door and frame assembly:
a.
Tested in accordance with ASTM E119 and NFPA 251, and UL Listed as having a 2-hour fire rating when exposed to fire from the underside.
1)
In Closed Position: Temperature on unexposed surface of door not to exceed 325 degrees F (162 degrees C) above ambient for 2-hours.
b.
Performance Certification Test Report: Supplied by manufacturer.
 
** NOTE TO SPECIFIER ** Optional when not required by the local authority having jurisdiction. Delete if not required.
 
3.
Fusible Link, Heat Activated Closing System: Automatic closing and latching of door leaf in event of fire. UL Listed 165 degrees F (74 degrees C).
C.
Cover:
 
** NOTE TO SPECIFIER ** Insert specified flooring material, including type, thickness, and weight. Note: Finish flooring material up to 1/2 in (13 mm) thick can be installed in the 1 in (25 mm) pan. The remaining depth must be filled with concrete to maintain the fire rating of the door assembly. If finish flooring is not desired, the pan must be filled with 1 in (25 mm) of concrete).
 
1.
Fillable Pan: 1 in (25 mm) deep to receive concrete or combination of 1/2 inch (12.7 mm) of concrete and of 1/2 inch (12.7 mm) of ______.
D.
Frame: Extruded aluminum. Full anchor flange around perimeter.
E.
Lifting Mechanisms: Compression spring operators enclosed in anti-corrosive composite telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
F.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
 
** NOTE TO SPECIFIER ** Optional when not required by the local authority having jurisdiction. Delete if not required.
 
G.
Automatic Closing System: Self-contained, pneumatic, and fusible link activated. Automatically closes and latches door in the event of fire when heat parts the UL Listed 165 degrees F (74 degrees C) fusible link.
 
** NOTE TO SPECIFIER ** When door is specified without automatic closing system, a mechanical aluminum hold-open arm is provided).
 
H.
Hold-Open System: Pneumatic hold-open system automatically holding door in the open position (85 degrees). Release Button: Resets itself when the cover is closed.
I.
Hardware:
1.
Continuous Hinge: Heavy duty, type 316 stainless steel. Only accessible when cover is open.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover. Cable release handle provided to open cover from underside.
3.
Fasteners: 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required
 
4.
Hardware Material: Zinc plated and chromate sealed.
5.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Mill finish aluminum. Bituminous coating applied to frame exterior.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.3
HIGH LOAD CAPACITY VAULT ACCESS DOORS, TYPE HLC
A.
Basis-of-Design: Type HLC Channel Frame, Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 200 lbs per sq in (14 kg per sq cm).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: 3/8 in (10 mm) diamond pattern steel tread plate.
D.
Channel frame: 1/4 in (6 mm) steel. Full anchor flange around perimeter. Minimum cross-sectional area of 7.5 sq in (4839 sq mm) for proper drainage.
E.
Hinges: Heavy forged brass hinges designed for horizontal installation. 3/8 in (10 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to cover. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in reinforced nylon 6/6 based engineered composite material telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Cover shall be equipped with a steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Alkyd based red oxide primed steel.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.4
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE J
A.
Basis-of-Design: Type J Channel Frame, Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 300 lbs per sq ft (1464 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: 1/4 in (6 mm) diamond pattern steel tread plate.
D.
Channel frame: 1/4 in (6 mm) steel. Full anchor flange around perimeter.
E.
Hinges: Heavy forged brass hinges designed for horizontal installation. 3/8 in (10 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to cover. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in anti-corrosive composite telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Cover shall be equipped with a steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Red oxide primed steel.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.5
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE J-H20
A.
Basis-of-Design: Type J Channel Frame, Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: Support AASHTO H-20 wheel load.
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: 1/4 in (6 mm) diamond pattern steel tread plate. Reinforced to support AASHTO H-20 wheel load.
D.
Channel frame: 1/4 in (6 mm) steel. Full anchor flange around perimeter.
E.
Hinges: Heavy forged brass hinges designed for horizontal installation. 3/8 in (10 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to cover. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in anti-corrosive composite telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Cover shall be equipped with a steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Red oxide primed steel.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.6
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE J-AL
A.
Basis-of-Design: Type J-AL Channel Frame, Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 300 lbs per sq ft (1464 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
e.
Entire door, including all hardware components, shall be highly corrosion resistant.
C.
Cover: 1/4 in (6 mm) diamond pattern aluminum tread plate.
D.
Channel frame: Extruded aluminum with bend down anchor tabs around perimeter.
E.
Hinges: Heavy forged type 316 stainless steel designed for horizontal installation. 1/4 in (6 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to cover. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in type 316 stainless steel telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Cover shall be equipped with a type 316 stainless steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
Fasteners: type 316 stainless steel.
4.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Mill finish aluminum with bituminous coating applied to the exterior of the frame.
 
** NOTE TO SPECIFIER ** Delete if not required.
 
2.7
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE J-AL H2O
A.
Basis-of-Design: Type J-AL H2O Channel Frame, Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: Support AASHTO H-20 wheel load.
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
e.
Entire door, including all hardware components, shall be highly corrosion resistant.
C.
Cover: 1/4 in (6 mm) diamond pattern aluminum tread plate. Reinforced to support AASHTO H-20 wheel load.
D.
Channel frame: Extruded aluminum with bend down anchor tabs around perimeter.
E.
Hinges: Heavy forged type 316 stainless steel designed for horizontal installation. 1/4 in (6 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to cover. Tamperproof, 316 stainless steel lock bolts.
2.
Through bolted to frame. 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in type 316 stainless steel telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Cover shall be equipped with a type 316 stainless steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
Fasteners: type 316 stainless steel.
4.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Mill finish aluminum with bituminous coating applied to the exterior of the frame.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.8
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE JD
A.
Basis-of-Design: Type JD Channel Frame, Double Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Covers:
a.
Minimum Live Load: 300 lbs per sq ft (1464 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Covers: 1/4 in (6 mm) diamond pattern steel tread plate.
D.
Channel frame: 1/4 in (6 mm) steel. Full anchor flange around perimeter.
E.
Hinges: Heavy forged brass hinges designed for horizontal installation. 3/8 in (10 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to covers. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in anti-corrosive composite telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Covers shall be equipped with a steel hold open arms which automatically locks the covers in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Red oxide primed steel.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.9
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE JD-H20
A.
Basis-of-Design: Type JD Channel Frame, Double Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Covers:
a.
Minimum Live Load: Support AASHTO H-20 wheel load.
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Covers: 1/4 in (6 mm) diamond pattern steel tread plate. Reinforced to support AASHTO H-20 wheel load.
D.
Channel frame: 1/4 in (6 mm) steel. Full anchor flange around perimeter.
E.
Hinges: Heavy forged brass hinges designed for horizontal installation. 3/8 in (10 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to covers. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in anti-corrosive composite telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Covers shall be equipped with steel hold open arms which automatically locks the covers in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Red oxide primed steel.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.10
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE JD-AL
A.
Basis-of-Design: Type JD-AL Channel Frame, Double Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Covers:
a.
Minimum Live Load: 300 lbs per sq ft (1464 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
e.
Entire door, including all hardware components, shall be highly corrosion resistant.
C.
Covers: 1/4 in (6 mm) diamond pattern aluminum tread plate.
D.
Channel frame: Extruded aluminum with bend down anchor tabs around perimeter.
E.
Hinges: Heavy forged type 316 stainless steel designed for horizontal installation. 1/4 in (6 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to covers. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in type 316 stainless steel telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Covers shall be equipped with steel hold open arms which automatically lock the covers in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
5.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Mill finish aluminum with bituminous coating applied to the exterior of the frame.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.11
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE JD-AL H2O
A.
Basis-of-Design: Type JD-AL H2O Channel Frame, Double Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Covers:
a.
Minimum Live Load: Support AASHTO H-20 wheel load.
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
e.
Entire door, including all hardware components, shall be highly corrosion resistant.
C.
Covers: 1/4 in (6 mm) diamond pattern aluminum tread plate. Reinforced to support AASHTO H-20 wheel load.
D.
Channel frame: Extruded aluminum with bend down anchor tabs around perimeter.
E.
Hinges: Heavy forged type 316 stainless steel designed for horizontal installation. 1/4 in (6 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to covers. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
F.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
G.
Lifting Mechanisms: Compression spring operators enclosed in type 316 stainless steel telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware
1.
Covers shall be equipped with a steel hold open arms which automatically locks the covers in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
5.
Hardware Material: type 316 stainless steel.
J.
Factory Finish: Mill finish aluminum with bituminous coating applied to the exterior of the frame.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.12
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE K
A.
Basis-of-Design: Type K, Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 150 lbs per sq ft (732 kg per sq m)
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
e.
Entire door, including all hardware components, shall be highly corrosion resistant.
C.
Cover: 1/4 in (6 mm) diamond pattern aluminum tread plate.
D.
Frame: Extruded aluminum with strap anchors bolted to exterior.
E.
Hinges: Cast steel, specifically designed for horizontal installation. Cam-action hinges pivoting on torsion bars. Bolted to the underside of cover.
F.
Torsion Bar Lifting Mechanisms: Provides, smooth, easy, and controlled cover operation through entire opening and closing arc and retarding downward motion of cover when closing.
G.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
H.
Hardware
1.
Cover shall be equipped with a steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum. with bituminous coating applied to frame exterior.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.13
CHANNEL FRAME FLOOR ACCESS DOORS, TYPE KD
A.
Basis-of-Design: Type KD, Double Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Covers:
a.
Minimum Live Load: 150 lbs per sq ft (732 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
e.
Entire door, including all hardware components, shall be highly corrosion resistant.
C.
Covers: 1/4 in (6 mm) diamond pattern aluminum tread plate.
D.
Frame: Extruded aluminum with strap anchors bolted to exterior.
E.
Hinges: Cast steel, specifically designed for horizontal installation. Cam-action hinges pivoting on torsion bars. Bolted to the underside of cover.
F.
Torsion Bar Lifting Mechanisms: Provide, smooth, easy, and controlled cover operation through entire opening and closing arc and retard downward motion of cover when closing.
G.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
H.
Hardware
1.
Covers shall be equipped with steel hold open arms which automatically lock the covers in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum. with bituminous coating applied to frame exterior.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.14
PRECAST VAULT ACCESS DOORS, TYPE PCM
A.
Basis-of-Design: Type PCM Single Leaf, High Load Capacity Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance Characteristics:
1.
Cover:
a.
Minimum Live Load: 300 lbs per sq ft (1464 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: 1/4 in (6 mm) diamond pattern steel tread plate.
1.
Channel frame: 1/4 in (6 mm) steel. Overall depth of 6 in (152 mm). Full anchor flange around perimeter. Cross-Sectional Area: 7.5 sq in (48 sq cm) minimum, for proper drainage.
D.
Hinges: Heavy forged brass hinges designed for horizontal installation. 3/8 in (10 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to cover. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
E.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
F.
Torsion Bar Lifting Mechanisms: Stainless steel torsion bar mechanism, acting through cams,
G.
Removable Exterior Key Wrench Handle: For opening cover. Latch release shall be protected by a flush, gasketed, removable screw plug.
H.
Hardware:
1.
Cover shall be equipped with a steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum with bituminous coating applied to frame exterior. Manufacturer provided peel off protective covering on top surface of door leaf and frame protecting surfaces during the installation process.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.15
PRECAST VAULT ACCESS DOORS, TYPE PDCM
A.
Basis-of-Design: Type PDCM Double Leaf, High Load Capacity Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance Characteristics:
1.
Covers:
a.
Minimum Live Load: 300 lbs per sq ft (1464 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Covers: 1/4 in (6 mm) diamond pattern steel tread plate.
1.
Channel frame: 1/4 in (6 mm) steel. Overall depth of 6 in (152 mm). Full anchor flange around perimeter. Cross-Sectional Area: 7.5 sq in (48 sq cm) minimum, for proper drainage.
D.
Hinges: Heavy forged brass hinges designed for horizontal installation. 3/8 in (10 mm) diameter, or larger, type 316 stainless steel pin. Hinge to pivot such that cover does not protrude into channel frame.
1.
Through bolted to covers. Tamperproof, type 316 stainless steel lock bolts.
2.
Through bolted to frame. type 316 stainless steel bolts and locknuts.
E.
Drain Coupling: 1-1/2 in (38 mm) drain coupling.
 
** NOTE TO SPECIFIER ** Delete one of the following location subparagraphs. Right front corner is the manufacturer's standard location.
 
1.
Location: Right front corner of channel frame.
2.
Location: ______.
F.
Torsion Bar Lifting Mechanisms: Stainless steel torsion bar mechanism, acting through cams.
G.
Removable Exterior Key Wrench Handle: For opening cover. Latch release shall be protected by a flush, gasketed, removable screw plug.
H.
Hardware
1.
Covers shall be equipped with steel hold open arms which automatically locks the covers in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum with bituminous coating applied to frame exterior. Manufacturer provided peel off protective covering on top surface of door leaf and frame protecting surfaces during the installation process.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.16
ANGLE FRAME FLOOR ACCESS DOORS, TYPE Q
A.
Basis-of-Design: Type Q Frame Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 150 lbs per sq ft (732 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: 1/4 in (6 mm) diamond pattern steel tread plate.
D.
Angle Frame: 1/4 in (6 mm) steel angle with strap anchors welded to exterior.
E.
Hinges: Cast steel cam-action hinges which pivot on torsion bars. Specifically designed for horizontal installation. Bolted to the underside of cover.
F.
Torsion Bar Lifting Mechanisms: Stainless steel torsion bar mechanism, acting through cams. Also act as a check in retarding downward motion of the cover when closing.
G.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type.
H.
Hardware:
1.
Cover shall be equipped with a steel hold open arm which automatically locks the cover in the open position.
2.
Fixed Handle Snap Lock: type 316 stainless steel. Mounted on underside of cover.
3.
All other hardware shall be zinc plated and chromate sealed.
4.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
5.
Hardware Material: Zinc plated and chromate sealed.
6.
Hardware Material: type 316 stainless steel.
I.
Finishes: Factory finish shall be alkyd based red oxide primed steel.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.17
SURFACE MOUNTED ANGLE FRAME FLOOR ACCESS DOORS, TYPE SM
A.
Basis-of-Design: Type SM Surface Mount, Angle Frame, Single Leaf Floor Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 108 lbs per sq ft (513 kg per sq m)
b.
Smooth and easy controlled operation through entire opening and closing arc.
c.
Operation not to be affected by temperature.
 
**NOTE TO SPECIFIER ** Please consult the manufacturer when doors are to be installed in unusually harsh environments or extremely corrosive conditions.
 
d.
Entire door assembly including all hardware components, shall be highly corrosion resistant.
C.
Cover: 1/8 in (3 mm) diamond pattern aluminum tread plate.
D.
Frame: 1/4 by 3 by 3 in (6 by 76 by 76 mm) angle frame with internal mounting flange and 7/16 in (11 mm) diameter anchor holes.
E.
Gasket: Heavy extruded EPDM rubber gasket permanently adhered to cover.
F.
Hinges: Heavy duty type 316 stainless steel pintle hinges with 3/8 in (10 mm) 316 stainless steel hinge pins.
G.
Lifting Assistance: Gas strut lifting mechanism with powder-coat finish and acts as a check in retarding downward motion of the cover when closing.
H.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
I.
Hardware:
1.
Cover equipped with aluminum hold open arm that automatically locks cover in the open position.
2.
Steel Snap Lock: type 316 stainless steel with fixed handle mounted on the underside of the cover.
3.
Hardware Material: type 316 stainless steel unless otherwise specified.
J.
Factory Finish: Mill finish aluminum.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.18
VAULT MOUNTED ACCESS DOORS, TYPE T
A.
Basis-of-Design: Type T, Single Leaf Vault Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 150 lbs per sq ft (732 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: Shall be 1/4 in (6 mm) aluminum smooth pattern plate, with extruded perimeter molding fastened to the cover to receive floor covering.
 
** NOTE TO SPECIFIER ** Height of molding depends on type and height of floor covering.
 
1.
Extruded Aluminum Molding: 1/8 in (3 mm) in height.
2.
Extruded Aluminum Molding: 3/16 in (5 mm) in height.
3.
Floor Covering: ______.
D.
Frame: Extruded aluminum with strap anchors bolted to frame exterior.
E.
Hinges: Cast steel cam-action hinges which pivot on torsion bars. Specifically designed for horizontal installation. Bolted to the underside of cover.
F.
Torsion Bar Lifting Mechanisms: Acting through cams. Also act as a check in retarding downward motion of the cover when closing.
G.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
H.
Hardware:
1.
Cover shall be equipped with a steel hold open arm that automatically locks the cover in the open position.
2.
Steel Snap Lock: Type 316 stainless steel with fixed handle mounted on the underside of the cover.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
3.
Hardware Material: Zinc plated and chromate sealed.
4.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum with bituminous coating applied to frame exterior.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.19
VAULT MOUNTED ACCESS DOORS, TYPE TD
A.
Basis-of-Design: Type TD, Double Leaf Vault Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Covers:
a.
Minimum Live Load: 150 lbs per sq ft (732 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Covers: Shall be 1/4 in (6 mm) aluminum smooth pattern plate, with extruded perimeter molding fastened to the cover to receive floor covering.
 
** NOTE TO SPECIFIER ** Height of molding depends on type and height of floor covering.
 
1.
Extruded Aluminum Molding: 1/8 in (3 mm) in height.
2.
Extruded Aluminum Molding: 3/16 in (5 mm) in height.
3.
Floor Covering: ______.
D.
Frame: Extruded aluminum with strap anchors bolted to frame exterior.
E.
Hinges: Cast steel cam-action hinges which pivot on torsion bars. Specifically designed for horizontal installation. Bolted to the underside of cover.
F.
Torsion Bar Lifting Mechanisms: Acting through cams. Also act as a check in retarding downward motion of the cover when closing.
G.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
H.
Hardware:
1.
Covers shall be equipped with steel hold open arms that automatically locks the covers in the open position.
2.
Steel Snap Lock: type 316 stainless steel with fixed handle mounted on the underside of the cover.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
3.
Hardware Material: Zinc plated and chromate sealed.
4.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum with bituminous coating applied to frame exterior.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.20
CONCEALED ACCESS DOORS, TYPE TER
A.
Basis-of-Design: Type TER, Single Leaf Concealed Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Cover:
a.
Minimum Live Load: 150 lbs per sq ft (732 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: 1 in (25 mm) fillable pan. All fill material to be furnished and installed by other trades in the field.
 
** NOTE TO SPECIFIER ** Panel fill must be exactly 1 inch in thickness. Delete pan fill not required.
 
1.
Pan Fill: Concrete, 1 inch (25.4 mm) thick.
2.
Pan Fill: ______, 1 inch (25.4 mm) thick.
D.
Channel Frame: Extruded aluminum with full anchor flange around perimeter.
E.
Hinges: Shall be a continuous heavy duty Type 316 stainless steel hinge accessible only when the cover is in the open position.
F.
Lifting mechanisms: Compression spring operators enclosed in anti-corrosive composite telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
G.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
H.
Hardware:
1.
Cover shall be equipped with an aluminum hold open arm that automatically locks the cover in the open position.
2.
A Type 316 stainless steel snap lock with fixed handle shall be mounted on the underside of the cover.
3.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
4.
Hardware Material: Zinc plated and chromate sealed.
5.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum with bituminous coating applied to frame exterior.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.21
CONCEALED ACCESS DOORS, TYPE TRD
A.
Basis-of-Design: Type TDR, Double Leaf Concealed Access Door as manufactured by The BILCO Company.
1.
Factory pre-assembled.
2.
Width (in / mm): ______.
3.
Length (in / mm): ______. Length denotes hinge side.
B.
Performance characteristics:
1.
Covers:
a.
Minimum Live Load: 150 lbs per sq ft (732 kg per sq m).
b.
Maximum Deflection: 1/150th of span.
c.
Smooth and easy controlled operation through entire opening and closing arc.
d.
Operation not to be affected by temperature.
C.
Cover: 1 in (25 mm) fillable pan. All fill material to be furnished and installed by other trades in the field.
 
** NOTE TO SPECIFIER ** Panel fill must be exactly 1 inch in thickness. Delete pan fill not required.
 
1.
Pan Fill: Concrete, 1 inch (25.4 mm) thick.
2.
Pan Fill: ______, 1 inch (25.4 mm) thick.
D.
Channel Frame: Extruded aluminum with full anchor flange around perimeter.
E.
Hinges: Shall be a continuous heavy duty Type 316 stainless steel hinge accessible only when the cover is in the open position.
F.
Lifting mechanisms: Compression spring operators enclosed in anti-corrosive composite telescopic tubes. The upper, outer tube prevents accumulation of moisture, grit, and debris inside the lower tube assembly. The lower tube interlocks with a flanged support shoe fastened to a formed 1/4 in (6 mm) gusset support plate.
G.
Removable Exterior Turn and Lift Handle: Spring loaded ball detent type. Latch release protected by a flush, gasketed, removable screw plug.
H.
Hardware:
1.
Covers shall be equipped with hold open arms that automatically lock the covers in the open position.
2.
A Type 316 stainless steel snap lock with fixed handle shall be mounted on the underside of the cover.
3.
Fasteners: type 316 stainless steel.
 
** NOTE TO SPECIFIER ** For highly corrosive environments or prolonged exposure to hot water or steam specify 316 stainless steel hardware. Delete hardware material not required,
 
4.
Hardware Material: Zinc plated and chromate sealed.
5.
Hardware Material: type 316 stainless steel.
I.
Factory Finish: Mill finish aluminum with bituminous coating applied to frame exterior.
 
** NOTE TO SPECIFIER ** Delete article if not required.
 
2.22
FALL PROTECTION GRATING SYSTEMS
A.
Basis-of-Design: Type FPG, Fall Protection Grating System as manufactured by The BILCO Company. To be furnished and installed on vault access doors or where indicated on drawings.
1.
Door manufacturer will install grating system when doors are fabricated or befield install (by others) on existing doors already in use.
B.
Performance Characteristics:
1.
Designed to meet OSHA 29 CFR 1910.23 requirements for fall protection.
2.
Grating Panel Color: High visibility safety yellow.
3.
Hold Open Position Lock: Automatically self locks grating panel in full open 90 degree position.
4.
Grating Panel Security: Provision for locking to prevent unauthorized opening.
5.
Warranty: Twenty-five years.
C.
Grating Panels: Aluminum with powder coat paint finish.
D.
Hold Open Feature Device: type 316 stainless steel.
E.
Hardware: 316 stainless steel.
PART 3 EXECUTION
 
3.1
EXAMINATION
A.
Do not begin installation until substrates and openings have been properly prepared.
B.
If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
3.2
PREPARATION
A.
Clean surfaces thoroughly prior to installation.
B.
Prepare surfaces using the methods recommended by the manufacturer for achieving the best result for the substrate under the project conditions.
3.3
INSTALLATION
A.
Install in accordance with manufacturer's instructions. Test for proper operation.
3.4
PROTECTION
A.
After installation, clean as recommended by the manufacturer.
B.
Remove and legally dispose of construction debris from project site.
C.
Protect installed products until completion of project.
D.
Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION