CSI Format Specification for Circum railings
General l Product l Execution
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| Part 1 - General |
| 1.1 |
Related Documents
All drawings, general and supplementary conditions including division one specifications apply to this section. |
| 1.2.0 |
Summary |
| 1.2.1 |
Product
Principle items specified is this section are:
1. Stainless steel and stainless/wood combination handrails
2. Stainless steel guardrails or other ornamental barrier railings. |
| 1.2.2 |
Work Included
Provide all materials, labor and equipment necessary to fabricate and completely install handrails, guardrails, and infill panels as shown on drawings or specified herein. |
| 1.3 |
Definitions
Terms and definitions from ASTM E985 and ISO/TC 59 for railing related items apply to this section. |
| 1.4 |
System Performance Requirements |
| 1.4.1 |
Railings shall meet or exceed the requirements of all applicable building codes. |
| 1.4.2 |
Railings shall have high strength stainless steel in order to comply with 1.4.1 with adequate safety margin. |
| 1.4.3 |
All internal members shall be stainless steel, nylon or wood to eliminate the possibility of rust. |
| 1.4.4 |
Prevent galvanic action and other forms of corrosion by insulating metals and other materials from direct contact with incompatible materials. |
| 1.5 |
Submittals |
| 1.5.1 |
Shop drawings, showing fabrication and installation of handrails and railings including plans, elevations, sections, details of components and attachments to other units of work. |
| 1.5.2 |
Product data for stainless steel / wood products to be supplied. |
| 1.5.3 |
Structural computations or test data / evaluations, material properties and other information needed to ensure satisfactory structural compliance to applicable building codes to be supplied by the manufacturer – based on final fabrication drawings. |
| Initial Selection: |
| 1.5.4 |
6" long handrail samples complete with supports and nylon rosette covers to display stainless steel grade and finish, and nylon hardware color. |
| Final Verification: |
| 1.5.5 |
Qualification data for authorized installers specified in "Quality Assurance" is to demonstrate their capabilities and experience. Include list of completed projects with project names and architect names. |
| 1.6 |
Quality Assurance |
| 1.6.1 |
Single Source Responsibility: Materials shall be supplied and installed by Handrail Design Inc. (HDI) 1200 Corporate Blvd., Lanacster, PA 17601 (Tel: 717-285-4088; Fax: 717-285-5083). |
| 1.6.2 |
The architect shall approve other qualified manufacturers no less than ten (10) days prior to close of bid. |
| 1.6.3 |
Execution tolerance plus/minus 5/64" (2 mm). |
| 1.7 |
Storage |
| 1.7.1 |
Store handrails and railing systems in clean, dry location, away from uncured concrete and masonry, protected against damage of any kind. |
| 1.7.2 |
Materials must be kept in original packing until installation. |
| 1.7.3 |
Materials to be stored at not lower than -50°C (-58°F) or higher than 100°C (212°F). |
| 1.8 |
Project Conditions |
| 1.8.1 |
All measurements for handrails and railings should be taken from construction site elements to which railings are to fasten. This information to be recorded on final shop drawings. |
| 1.8.2 |
Coordinate fabrication schedule with construction progress to avoid delay of work.
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| Part 2 - Product: |
| 2.1 |
Mechanically fastened Stainless steel railing system. |
| 2.1.1 |
Manufacturer shall be Handrail Design Inc. (HDI), an established U.S. manufacturer of a custom pre-engineered, mechanically fastened guardrail and handrail system, which complies with the requirements of the drawings and specifications. Miscellaneous metal fabricators/suppliers will not be acceptable. This standard is based on Handrail Design Inc. Railing Systems, 1200 Corporate Blvd., Lancaster, PA 17601 (Tel: 717-285-4088; Fax: 717-285-5083). |
| 2.2 |
Materials: Guardrails and Handrail System |
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1. All rails and other tubular components shall be constructed using the following:
| a. |
Stainless steel grade UNS 1.4301 & 1.4305, type 303 & 304 respectively; surface to be #6 finish (240 grain/grit); tubes 1-1/2" diameter by 5/64" wall thickness. |
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2. All posts and other components shall be constructed using the following:
| a. |
Stainless steel grade UNS 1.4301 & 1.4305, type 303 & 304 respectively, surface to be #6 finish (240 grain/grit); tubes 1.9" diameter by 0.14" wall thickness. |
| b. |
Stainless steel grade UNS 1.4301 & 1.4305, type 303 & 304 respectively, surface to be #6 finish (240 grain/grit): for end caps at top of posts. Hardware for handrail attachment to match finish of post. |
| c. |
Stainless steel grade UNS 1.4301 & 1.4305, type 303 & 304 respectively, surface to be #6 finish (240 grain/grit) Stainless steel base for surface and side mounting to have glass bead blasted finish. |
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3. Fastening bolts to be stainless steel to match base clamping plate. |
| 2.3 |
Glass products, glazing and infill materials. |
| 2.3.1 |
Tempered glass: Provide fully tempered safety glass with polished edges and dubbed (rounded) corners complying with ASTM C1048. Kind FT (fully tempered), condition A (un-coated). Types 1 (transparent glass, flat), quality Q3 (glazing select), class, thickness and manufacturing process as indicated below. |
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Glass:
Clear glass: Class 1 clear
Tinted glass: Class 2 (tinted heat absorbing and light reducing), Manufacturers standard tint color indicated below.
a. Bronze
b. Gray
Allowable thickness 3/8" (8 mm) to 1/2" (13 mm) to be noted on final shop drawings.
Manufacturing process: Manufacture fully tempered glass by horizontal (roller hearth) process with roll wave distortion parallel with bottom edge of glass as installed.
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Stainless perforated metal panels
Stainless steel perforated metal infill panels with continuous frame by Handrail Design Inc. Installed post centers are required complete with sketch, to allow panel fabrication. |
| 2.4 |
Fasteners
Anchors shall be fabricated from stainless steel materials with capability to sustain, without failure, load imposed within a safety factor of 4, as determined by testing per ASTM E488. |
| 2.5 |
Fabrication
| a. |
Fabricate railing system for compliance with structural requirements of applicable code. |
| b. |
Pre-assemble railings prior to shipping to greatest extent possible to minimize field splicing and assembly. Disassemble units only as necessary for shipping and handling limitations. Clearly mark units for re-assembly and for coordination with shop drawings. |
| c. |
Stainless steel tubing cuts shall be square, without burrs and where exposed, rounded to produce smooth rigid and hairline joints. |
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| Part 3 - Execution |
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Preparation
Provide information on fastening point locations for posts where necessary to relevant parties. |
| 3.1 |
Installation |
| 3.1.1 |
Installation shall be by Handrail Design Inc or a qualified, authorized representative of the manufacturer. |
| 3.1.2 |
Installation must be in accordance with standard or non-standard, yet applicable details (instructions) included on installation/shop drawings provided by Handrail Design Inc. |
| 3.1.3 |
Install components plumb and in-line, accurately fitted, free from distortion or defects and securely anchored to structure. |
| 3.1.4 |
Provide anchors, plates, angles, etc., necessary for connecting railings to structure. |
| 3.1.5 |
Any and all field welding shall be by a certified welder. |
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Access must be made available for anchors that require through bolting either vertically or horizontally. |
| 3.2 |
Erection tolerances |
| 3.2.1 |
Maximum variation from plumb shall be 1/4". |
| 3.2.2 |
Maximum offset from true alignment for every 50-foot of railing shall be 1/4", non-accumulative. |
| 3.3 |
Protection after installation
Provide protective covering on all hand and guardrails if construction is not yet finished in the area. |
| 3.4 |
Maintenance and cleaning. |
| 3.4.1 |
Railings shall be cleaned, including infill panels, by contractor to the satisfaction of the owner. |
| 3.4.2 |
Wipe with moistened cloth only. Do not use cleaning agents with abrasive or acid/alkaline content. |
| 3.5 |
Correction of deficiencies
All deficiencies in work and/or items not meeting specified requirements shall be corrected in order to meet specification requirements at no additional cost to owner.
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