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Skylark Shelter Systems - Standard Specifications
  
Section A: General Section B: Products Section C: Execution Section D: Painting
   

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** NOTE TO SPECIFIER ** Skylark Shelter Systems; metal roofed gazebos, shelters, kiosks, and portable toilet enclosures.
This section is based on the products of Central Denver Ironworks, Inc., which is located at:

4245 Fox Street
Denver, CO 80216
Tel: (303) 433-3180
Fax: (303) 433-3002
Email: TomDufficy@cdironworks.com

Skylark Shelters are all steel construction in a variety of standard shelter designs, plus completely custom designs. The specification included is for their prefabricated Renaissance shelters and needs to be modified to suit each project. Optional features include wind screens, information panels, signs, cupolas, railings, lattices, bike racks, and other custom items. Skylark shelters are especially suitable for bus and light rail transportation, parks, and recreational facilities. Central Denver Ironworks also makes pedestrian bridges and railings.
SECTION 02875 - SITE AND STREET SHELTERS, Copyright 2002, Skylark Shelter Systems.

SECTION A: GENERAL                                                                                       BACK TO TOP

1.1 SECTION INCLUDES

** NOTE TO SPECIFIER ** If necessary, insert a description of which site shelters this specification applies to.

A. Prefabricated shelters for:

1. Portable toilet enclosures.
2. Information kiosks.
3. Park shelters.
4. _____________.

1.2 RELATED SECTIONS

** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.

A. Section 03300 - Cast-In-Place Concrete: Footings and installation of anchor bolts/base plates that are to be provided by shelter manufacturer; maximum dimensional variation in plan from drawing location of 3/16 inch (4.5 mm) measured radially from centerline of column.

1.3 REFERENCES

** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.

A. ASTM A 36/A 36M - Standard Specification for Carbon Structural Steel; 2000a.

B. ASTM A 48/A 48 M - Standard Specification for Gray Iron Castings; 2000.

C. ASTM A 307 - Standard Specification for Carbon Steel Bolts and Studs, 60 000 PSI Tensile Strength; 2000.

D. ASTM A 500 - Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes; 1999.

E. ASTM A 501 - Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing; 1999.

F. ASTM A 653/A 653M - Standard Specification for Steel Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process; 2000

G. SSPC-SP 10 -Near-White Blast Cleaning; Society for Protective Coatings; 2000.

1.4 SUBMITTALS

A. Submit under provisions of Section 01300.

B. Product Data: Manufacturer's data sheets on each product to be used, including:

1. Preparation instructions and recommendations.
2. Storage and handling requirements and recommendations.
3. Installation methods.

** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.

C. Selection Samples: Two complete color charts representing manufacturer's full range of available colors.

D. Samples: If requested, submit samples of cast iron column collars and fittings.

E. Shop Drawings: Complete erection drawings, showing layout, shop and field connections, column base details, and footing loads.

1. Include location diagram for anchor bolts to be embedded in concrete by others, specifying maximum variation from plan location.
2. Shop drawings and calculations signed and sealed by design engineer.

** NOTE TO SPECIFIER ** Delete the following paragraph if footing design by the shelter manufacturer is not required.

3. Footing design.

1.5 QUALITY ASSURANCE

A. Design Engineer: Provide design by a professional engineer licensed in the State in which the project is located.

** NOTE TO SPECIFIER ** Delete the paragraph if not required.

1. Owner will furnish geotechnical report showing soils analysis for site.

B. Manufacturer Qualifications: Firm with at least 5 years experience in design and manufacture of pre-engineered shelters and:

1. Active AISC member.
2. Demonstrable experience in AISC certified Category I and II construction.
3. With Certified Welding Inspector on staff.

1.6 DELIVERY, STORAGE, AND HANDLING

A. Coordinate delivery requirements with Owner and other installers.

B. Store products in manner to prevent damage prior to installation.

C. Where products need to be stored outdoors, store off the ground and place so that water will drain.

1.7 WARRANTY

A. Provide manufacturer's warranty that shelter will not fail structurally due to defects in materials or design for a period of one year after Substantial Completion.

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SECTION B: PRODUCTS                                                                                  BACK TO TOP

2.1 MANUFACTURERS

A. Acceptable Manufacturer:

Central Denver Ironworks, Inc.
4245 Fox Street
Denver, CO 80216.
ASD.
Tel: (303) 433-3180
Fax: (303) 433-3002
Email: tomdufficy@cdironworks.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 01600. Designs using wood, light gauge metal framing, or sheet metal other than roof/wall panels and related trim and flashing will not be approved.

D. Single Source: Provide all shelters and all shelter components from a single manufacturer.

2.2 APPLICATIONS

** NOTE TO SPECIFIER ** Skylark makes a variety of standard shelter designs, plus completely custom designs. The following is a basic specification for their prefabricated shelters, which needs to be modified to suit the project. Optional features include wind screens, information panels, signs, cupolas, railings, lattices, and bike racks. If any of those items are to be supplied by the manufacturer, be sure to list them here.

A. Shelters: Pre-engineered, prefabricated all-steel shelters; column, rafter, and purlin structure, with steel roof panels, all flashing, trim, accessories, and fasteners required for a complete installation.

1. Configuration: As shown on drawings.

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.

2. Design to comply with applicable building code.
3. Design to comply with _______ building code.

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.

4. Design to withstand design wind load of 90 mph (145 km/h) without damage.
5. Design to withstand design wind load of _____ without damage.

** NOTE TO SPECIFIER ** Delete one of the following two paragraphs.

6. Design to withstand snow load of 30 psf (1.4 kPa) without damage.
7. Design to withstand snow load of _____ without damage.
8. Design so that moisture does not accumulate in concealed spaces.
9. Field Connections: Bolted, except welded at purlins and covers; fasteners concealed from view including on underside of roof.
10. Provide anchor bolts and/or base plates to be embedded in concrete.

B. Columns: Round steel tubing, 10 inches (254 mm) diameter, minimum, Schedule 40 wall thickness.

C. Decorative Collars: Manufacturer's standard design; solid ASTM A 48/A 48M cast iron or steel; 1 inch (25 mm) thick, minimum; 12 inches (305 mm) diameter, minimum; welded to columns with continuous minimum 3/16 inch (5 mm) welds; welds and surfaces sanded smooth; 3 decorative collars per column.

D. Roof Structural Members: Rectangular steel tubing.

1. Eave Depth: 18 inches (457 mm) from centerline of columns to outside face of fascia tube.
2. Rafter Beams: Continuous over top of column, extending to fascia tube; bolted to fascia tube with concealed bolts.
3. Fascia Tube: 10 inches (254 mm) high by 2 inches (50 mm) deep, minimum, with actual designed size approved by Owner; 3/16 inch (5 mm) wall thickness, minimum; continuous at eave, with closed ends.
4. Purlins: Set in prefabricated saddles.

E. Roof and Wall Panels, Flashing, and Trim: Galvanized steel sheet, ASTM A 653/A 653M, hot-dipped galvanized to G90/Z275, minimum 20 gauge (0.9 mm) thickness; panels corrugated to "Denver" profile; matching covers on roof hips and ridges.

F. Colors:

1. Columns and Other Structural Members: _______.
2. Column Collars: ________.
3. Roof - Top Side: ________.
4. Roof - Bottom Side: White.

2.3 MATERIALS

A. Steel Tubing: ASTM A 500 or ASTM A 501.

B. Steel Shapes: ASTM A 36/A 36M.

C. Bolts: ASTM A 307, unless otherwise indicated.

D. Finish: Factory-applied on all metal surfaces.

1. Columns and Other Structural Framing: Cleaned and prepared to SSPC-SP 10 (near white blast).
2. Roof Panels: Prepare by applying conversion coating.
3. Primer: Devoe Hi-Solids Alkyd Metal Primer, or equivalent.
4. Top Coat: Devoe Paints Catalyzed Aliphatic-Urethane, or equivalent.

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SECTION C: EXECUTION                                                                                  BACK TO TOP

3.1 EXAMINATION

A. Do not begin installation until substrates have been properly prepared.

B. If substrate preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.

C. Verify that anchor bolts set by other installers are located within required dimensional tolerance.

3.2 PREPARATION

A. Coordinate installation of embedded anchors and plates so that locations will be within required tolerances.

B. Clean surfaces thoroughly prior to installation.

C. 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.

B. Install straight, level, plumb, and true, without offset in plane between adjacent members.

C. Field welding is permitted at purlins and covers only; grind welds smooth and sand.

3.4 PROTECTION

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SECTION D: PAINTING                                                                                      BACK TO TOP

4.1 STEEL FRAME

A. Primer Paint: Devoe Paints Hi-Solids Alkyd Metal Primer or equal

B. Finish Coat: Devoe Paints catalyzed aliphatic-urethane system or equal

C. Preparation: Clean and prepare surfaces consistent with SSPC SP10 near-White Blast.

4.2 DENVER ROOF SYSTEM

A. Galvanize.

B. Apply conversion coat.

C. Primer Paint: Devoe Paints Hi-Solids Alkyd Metal Primer or equal.

Finish Coat: Devoe Paints catalyzed aliphatic-urethane system or equal

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