MasterFormat: 95

SpecWizard: customize this spec    Download this Grandstands and Bleachers Specification for   WORD | WP | RTF | TEXT

Find over 500 more construction specifications | Arcat.com

	SECTION 13125
	GRANDSTANDS AND BLEACHERS
	For best results, display hidden notes to specifier.
	** NOTE TO SPECIFIER ** All Star Bleachers; Bleachers and grandstands for all indoor and outdoor seating applications. . This section is based on the products of All Star Bleachers, which is located at: 6550 New Tampa Hwy. Lakeland, FL 33815 Toll Free Tel: 800-875-3141 Tel: 863-687-3141 Email: request info Web: www.allstarbleachers.com [ Click Here ] for additional information. For more than 50 years ALL STAR has been the leading designer and manufacturer of bleachers and grandstands for all indoor and outdoor seating applications. Products range from a simple team bench to a grandstand that meets the VIP seating requirements of NASCAR Winston Cup race. Optional additions to our grandstand and bleachers systems include integrated press boxes and supporting structures. ALL STAR is a design builder, manufacturer, furnisher and installer, including "turn-key" projects. We pride ourselves in our ability and willingness to meet individual customer needs with custom design solutions. We would appreciate the opportunity to consult with you, UNDER NO OBLIGATION, concerning design, specifications, budget estimates. Grandstands and Bleachers are offered with a limited one year guarantee against defects in materials and workmanship.
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Permanent Steel Grandstand Including:
			1.	Steel Substructure.
			2.	Decking System.
			3.	Press Box.
			4.	Concrete Foundations.
			5.	Press Box Support Structure
		B.	Angle Frame Bleachers Including:
			1.	Understructure.
			2.	Decking System.
			3.	Press Box.
			4.	Concrete Foundations.
			5.	Press Box Support Structure
	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: Concrete foundations and anchor bolts.
		B.	Section 03600 - Grout.
	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 A36/A36M - Standard Specification for Carbon Structural Steel.
		B.	ASTM A123/A123M - Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.
		C.	ASTM A307 - Specification for Carbon Steel Bolts and Studs, 60,000 PSI Tensile Strength.
		D.	ASTM B 221 - Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Shapes, and Tubes.
		E.	AWS D1.1 - Structural Welding Code - Steel.
	1.4	DESIGN REQUIREMENTS
		A.	Conform to applicable code for all applicable loads and design requirements.
	1.5	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	[ Product Data ]: Manufacturer's data sheets on products to be used, including:
			1.	Preparation instructions and recommendations.
			2.	Storage and handling requirements and recommendations.
			3.	Installation methods.
		C.	Shop Drawings: Manufacturer to submit shop drawings sealed by a Registered Professional Engineer licensed in the State where the project is located. Shop drawings shall include schedules for type, location, quality, and details of steel and aluminum components required for the project.
		D.	Certificates: Submit mill certificates verifying that products furnished comply with specified requirements.
	** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
		E.	Selection Samples: For each finish product specified, two complete sets of color chips representing manufacturer's full range of available colors and patterns.
		F.	Verification Samples: For each finish product specified, two samples, minimum 18-inch seat sample, representing actual product, color, and patterns.
	1.6	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: Manufacturers must have ten years of experience in the manufacture of bleachers and grandstands of the type specified.
		B.	Installer Qualifications: Factory-trained and experienced in the proper installation of grandstands.
		C.	Welders: AWS certified.
	1.7	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened packaging until ready for installation.
		B.	Protect all components and accessories from corrosion, deformation, damage and deterioration when stored at job site. Keep materials free from dirt and foreign matter .
	1.8	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 absolute limits.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: All Star Bleachers, which is located at: 6550 New Tampa Hwy. ; Lakeland, FL 33815; Toll Free Tel: 800-875-3141; Tel: 863-687-3141; Email: request info; Web: www.allstarbleachers.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.
	** NOTE TO SPECIFIER ** Select the required Permanent Steel Grand Stand or Continuous Angle Frame Aluminum Bleacher from the following two major paragraphs. Delete the item not required and edit the paragraph selected to suit project requirements.
	2.2	PERMANENT STEEL GRANDSTAND
		A.	Product Description:
	** NOTE TO SPECIFIER ** Insert the physical requirements for grandstand in the following paragraph. If multiple grandstand sections are required clearly indicate requirements for each section on the drawings The pressbox in the second sub-paragraph is optional. Include physical requirements or delete if not required.
			1.	Grandstand Size:
				a.	Number of Rows: _________.
				b.	Length of Grandstand: ________feet.
				c.	Net Seating Capacity: ________.
				d.	Front Walkway: __________ feet wide and __________ elevated above grade.
			2.	Pressbox Size:
				a.	Width: ______ feet.
				b.	Length: ________feet with a 6 foot landing at each end.
				c.	Support Structure Width: ________ feet.
				d.	Support Structure Depth: __________ feet.
			3.	Vertical columns are placed 18 feet on center laterally and "as required" on center front to back.
			4.	All horizontal beams are wide flange beams.
			5.	Stringers are wide flange beams with angle rise and tread depth fabrication and are placed a maximum of 6 feet on center.
			6.	Cross braces are steel angles located as required to meet design parameters.
			7.	Entry stairs to be anchored to uniformly poured concrete bases.
				a.	Stair rise: Maximum of 7 inches with aluminum closure.
				b.	Stair tread: Minimum of 11 inches with a contrasting aluminum stair nose.
				c.	Guardrail: 42 inches above the leading edge of step with same construction as specified in the guardrails specification section below.
				d.	Handrails: Anodized handrails shall have a smooth surface with no sharp corners. The top of handrails and handrail extensions shall be no less than 34 inches or more than 38 inches above the nosing of treads and landings. Handrails shall be continuous with an un-obstructed handgrip area the full length of the stair. Handrails shall extend 12 inches beyond the bottom riser and 12 inches beyond the top riser in the direction of the stair run. Ends shall be returned or terminate in newel posts or safety terminals.
			8.	Ramps to be firmly anchored to uniformly poured concrete bases provided in accordance with Section 03300.
				a.	Slope: Maximum 1:12
				b.	Guardrail: 42 inches above the leading edge of step with the same construction as specified in the guardrails specification section below.
				c.	Handrails: Anodized extruded aluminum handrails shall have a smooth surface with no sharp corners. Top of handrails and handrail extensions shall be no less than 34 inches or more than 38 inches above the nosing of treads and landings. Handrails shall be continuous with an un-obstructed handgrip area the full length of the stair. Handrails shall extend 12 inches beyond the bottom riser and 12 inches beyond the top riser in the direction of the stair run. Ends shall be returned or terminate in newel posts or safety terminals.
			9.	Aisles
				a.	Minimum Width: 48 inches unless otherwise required by the applicable code.
				b.	Aisles with seating on both sides to have a 34 inch high handrail with intermediate rail at approximately 22 inches above tread.
				c.	Aisle tread nosing shall be of contrasting color.
				d.	Handrails: Anodized extruded aluminum handrails shall have a smooth surface with rounded ends and no sharp corners and are discontinuous to allow access to seating through a space 22 inches minimum to 36 inches maximum.
				e.	Sub-steps: If required by the applicable code, sub-steps shall be used to provide equal rise and run throughout the aisle. Each shall have aisle nosing of contrasting color and aluminum riser closure.
			10.	Seating
				a.	Each seat shall be 17 inches above its respective tread.
	** NOTE TO SPECIFIER ** Select the finish required from the following paragraphs. Delete those not required.
					1)	Finish to be anodized
					2)	Finish to be powder coated in manufacturer's standard color.
	** NOTE TO SPECIFIER ** Select the seat type required from the following paragraphs. Delete those not required.
					3)	Seats to be 2 inch by 10 inch flat aluminum planks
					4)	Seats to be 2 inch by 10 inch aluminum planks with waterfall front edge
					5)	Seats to be 2 inch by 12 inch flat aluminum planks
					6)	Seats to be 2 inch by 12 inch contour aluminum planks
	** NOTE TO SPECIFIER ** Select the option required from the following paragraph. Delete if not required.
				b.	Backrest: 7 inch contoured aluminum backrest.
	** NOTE TO SPECIFIER ** Select the finish required from the following paragraphs. Delete those not required.
					1)	Finish to be anodized.
					2)	Finish to be powder coated in manufacturer's standard color.
			11.	Risers
				a.	Size as required to fulfill the decking arrangement specified.
	** NOTE TO SPECIFIER ** Select the finish required from the following paragraphs. Delete those not required.
					1)	Finish to be anodized
					2)	Finish to be powder coated in manufacturer's standard color.
			12.	Decking
	** NOTE TO SPECIFIER ** Insert required rise per row and depth per row. Recommended tread depths: 26 inches for bench seating, 30 inches for backrests and 33 inches for chairs.
				a.	General:
					1)	Rise Per Row: __________
					2)	Depth Per Row: __________
	** NOTE TO SPECIFIER ** Select the arrangement required from the following paragraphs. Delete those not required.
				b.	Arrangement:
					1)	Semi-closed deck arrangement consisting of various plank widths to reduce any opening in the deck to less than 4 inches.
					2)	Closed deck arrangement consisting of various plank widths to completely close the deck. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches.
					3)	Interlocking closed deck arrangement consisting of various plank widths to completely close the deck. Planks will interlock together lengthwise and form a "U" shaped gutter running the length of the planks. The nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap. At all butt joint locations a secondary gutter shall be provided below the aluminum deck that will allow fluids to be collected and flow to the front of the grandstand. Secondary gutters shall be placed on the structural steel stringers such that the gutter is supported by the stringers on each side. Stringers supporting the secondary gutters shall be a minimum of 12 inches apart. Secondary gutters shall terminate at strategic locations and a collection box provided so the owner can make a connection to allow for desired fluid routing. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches
					4)	Tongue and groove closed deck arrangement consisting of various plank widths to completely close the deck. Planks will interlock together via a male "tongue" extrusion and a female "groove" extrusion running the length of the planks. Nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap. At all butt joint locations a secondary gutter shall be provided below the aluminum deck that will allow fluids to be collected and flow to the front of the grandstand. Secondary gutters shall be placed on structural steel stringers such that the gutter is supported by the stringers on each side. Stringers supporting the secondary gutters shall be a minimum of 12 inches apart. Secondary gutters shall terminate at strategic locations and a collection box provided so the owner can make a connection to allow for desired fluid routing. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches
					5)	Welded deck arrangement consisting of various plank widths to completely close the deck. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches. Planks to be longitudinally welded at the factory creating one-piece tread panels in minimum lengths of 18'-0". Field welding is not acceptable. Decking members will interlock together prior to welding via a "U" shaped gutter running the length of the planks. The nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap.
					6)	No-Pen interlocking closed deck arrangement consisting of various plank widths to completely close the deck. Planks will interlock together lengthwise and form a "U" shaped gutter running the length of the planks. Nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap. Heel and nose extrusions shall be constructed to allow the seat brackets, sub-step brackets, mid-aisle handrails and all other components to be made using self locking nuts and without deck penetrations. No through bolting of the aluminum deck system is permitted. At all butt joint locations a secondary gutter shall be provided below the aluminum deck that will allow fluids to be collected and flow to the front of the grandstand. Secondary gutters shall be placed on structural steel stringers such that the gutter is supported by the stringers on each side. Stringers supporting the secondary gutters shall be a minimum of 12 inches apart. Secondary gutters shall terminate at strategic locations and a collection box provided so the owner can make a connection to allow for desired fluid routing. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches.
			13.	Guardrails
	** NOTE TO SPECIFIER ** Select one of the following two guard rail paragraphs and delete those not required.
				a.	Provide at all sides of bleacher, entry stairs, ramps, portals and landings. All guardrails shall be secured to angle rail risers using galvanized fasteners. Railing shall be 42 inches above walkways and entrances. Railing shall be 42 inches above any adjacent seat. Railing shall consist of anodized aluminum pipe with cast aluminum fittings and 9 gauge galvanized chain link mesh infill
				b.	Provide at all sides of bleacher, entry stairs, ramps, portals and landings. All guardrails shall be secured to angle rail risers using galvanized fasteners. Railing shall be 42 inches above walkways and entrances. Railing shall be 42 inches above any adjacent seat. Railing shall consist of vertical picket rails in 6 foot panels. The top and bottom rail shall be 1-1/2 inch by 1/2 inch steel channels and the pickets shall be 1/2 inch square bars spaced 4 inches O.C.
			14.	Accessible Seating:
				a.	Provide wheel chair spaces as required by the ADA.
				b.	Any adjacent riser area to be closed using intermediate construction.
		B.	Structural Performance: Design, engineer, fabricate, and erect grandstands to withstand specified design loads within limits and under conditions required. Minimum design loads shall be:
			1.	Live Load: 100 psf gross horizontal projection.
			2.	Lateral Sway Load: 24 plf seat plank.
			3.	Perpendicular Sway Load: 10 plf seat plank.
			4.	Live Load of Seat and Tread Planks: 120 plf.
			5.	Guardrail: Per applicable code.
			6.	All manufactured connections to be shop welded. Welding by certified welders conforming to AWS Standards.
		C.	Materials/Finishes:
			1.	Substructures:
				a.	Structural fabrication with ASTM A36 steel.
				b.	Shop connections are seal welds.
				c.	After fabrication all steel is hot-dipped galvanized to ASTM A123.
			2.	Seating/Planking/Tread/Joint Sleeve, etc:
				a.	Seat planks, backrests, riser planks and railing are extruded aluminum alloy 6063-T6. Clear anodized 204R1, AA-M10C22A31, Class II.
				b.	Tread Planks: Extruded aluminum alloy, 6063-T6 mill finish.
				c.	Joint Sleeve assembly: Extruded aluminum alloy, 6063-T6, mill finish.
			3.	Accessories:
				a.	Channel End Caps: Aluminum alloy, 6063-T6, clear anodized 204R1, AA-M10C22A31, Class II.
				b.	Hardware:
					1)	Bolts, Nuts: Hot-dipped galvanized.
					2)	Tie-down Clip Assembly: Aluminum alloy 6061-T6.
					3)	Structural Hardware: Equal to or greater than hot-dipped galvanized ASTM-A307. No connections utilizing high strength bolts are classed as slip critical.
				c.	Aisle and stair nose to be extruded aluminum alloy 6063-T6, non-skid black powder coated finish.
			4.	Concrete foundations and anchor bolts: Section 03300.
	2.3	CONTINUOUS ANGLE FRAME/ALUMINUM BLEACHERS
		A.	Product Description:
	** NOTE TO SPECIFIER ** Select non-elevated or elevated units as required. If multiple bleacher sections are required clearly indicate requirements for each section on the drawings. The pressbox in the third sub-paragraph is optional. Include physical requirements or delete if not required.
			1.	Non-Elevated Units Size:
				a.	Number of Rows:
					1)	3 rows.
					2)	5 rows.
					3)	10 rows
					4)	15 rows
					5)	Custom __________
				b.	Length of non-elevated units shall be:
					1)	15 feet
					2)	21 feet
					3)	27 feet
					4)	Custom __________
				c.	Net Seating Capacity: ________.
			2.	Elevated units: Size:
				a.	Number of Rows: _________.
				b.	Length of Each Row: ________feet.
				c.	Net Seating Capacity: ________.
				d.	Front Walkway: __________ feet wide and __________ elevated above grade.
			3.	Pressbox Size:
				a.	Width: ______ feet.
				b.	Length: ________feet with a 6 foot landing at each end.
				c.	Support Structure Width: ________ feet.
				d.	Support Structure Depth: __________ feet.
			4.	Entry stairs to be anchored to uniformly poured concrete bases.
				a.	Stair rise: Maximum of 7 inches with aluminum closure.
				b.	Stair tread: Minimum of 11 inches with a contrasting aluminum stair nose.
				c.	Guardrail: 42 inches above the leading edge of step with the same construction as specified in the guardrails specification section below.
				d.	Handrails: Anodized handrails shall have a smooth surface with no sharp corners. The top of handrails and handrail extensions shall be no less than 34 inches or more than 38 inches above the nosing of treads and landings. Handrails shall be continuous with an un-obstructed handgrip area the full length of the stair. Handrails shall extend 12 inches beyond the bottom riser and 12 inches beyond the top riser in the direction of the stair run. Ends shall be returned or terminate in newel posts or safety terminals.
			5.	Ramps to be firmly anchored to uniformly poured concrete bases.
				a.	Slope: Maximum 1:12
				b.	Guardrail: 42 inches above the leading edge of step with the same construction as specified in the guardrails specification section below.
				c.	Handrails: Anodized handrails shall have a smooth surface with no sharp corners. The top of handrails and handrail extensions shall be no less than 34 inches or more than 38 inches above the nosing of treads and landings. Handrails shall be continuous with an un-obstructed handgrip area the full length of the stair. Handrails shall extend 12 inches beyond the bottom riser and 12 inches beyond the top riser in the direction of the stair run. Ends shall be returned or terminate in newel posts or safety terminals.
			6.	Aisles
				a.	Minimum Width: 48 inches unless otherwise required by the applicable code.
				b.	Aisles with seating on both sides to have a 34 inch high handrail with intermediate rail at approximately 22 inches above tread.
				c.	Aisle tread nosing shall be of contrasting color.
				d.	Handrails: Anodized extruded aluminum handrails shall have a smooth surface with rounded ends and no sharp corners and are discontinuous to allow access to seating through a space 22 inches minimum to 36 inches maximum.
				e.	Sub-steps: If required by the applicable code, sub-steps shall be used to provide equal rise and run throughout the aisle. Each shall have aisle nosing of contrasting color and aluminum riser closure.
			7.	Seating
				a.	Each seat shall be 17 inches above its respective tread.
	** NOTE TO SPECIFIER ** Select the finish required from the following paragraphs. Delete those not required.
					1)	Finish to be anodized
					2)	Finish to be powder coated in manufacturer's standard color.
	** NOTE TO SPECIFIER ** Select the seat type required from the following paragraphs. Delete those not required.
					3)	Seats to be 2 inch by 10 inch flat aluminum planks
					4)	Seats to be 2 inch by 10 inch aluminum planks with waterfall front edge
					5)	Seats to be 2 inch by 12 inch flat aluminum planks
					6)	Seats to be 2 inch by 12 inch contour aluminum planks
	** NOTE TO SPECIFIER ** Select the option required from the following paragraph. Delete if not required.
				b.	Backrest: 7 inch contoured aluminum backrest.
	** NOTE TO SPECIFIER ** Select the finish required from the following paragraphs. Delete those not required.
					1)	Finish to be anodized.
					2)	Finish to be powder coated in manufacturer's standard color.
			8.	Risers
				a.	Size as required to fulfill the decking arrangement specified.
	** NOTE TO SPECIFIER ** Select the finish required from the following paragraphs. Delete those not required.
					1)	Finish to be anodized
					2)	Finish to be powder coated in manufacturer's standard color.
			9.	Decking
	** NOTE TO SPECIFIER ** Insert required rise per row and depth per row. Recommended tread depths: 26 inches for bench seating, 30 inches for backrests and 33 inches for chairs.
				a.	General:
					1)	Rise Per Row: __________
					2)	Depth Per Row: __________
	** NOTE TO SPECIFIER ** Select the arrangement required from the following paragraphs. Delete those not required.
				b.	Arrangement:
					1)	Semi-closed deck arrangement consisting of various plank widths to reduce any opening in the deck to less than 4 inches.
					2)	Closed deck arrangement consisting of various plank widths to completely close the deck. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches.
					3)	Interlocking closed deck arrangement consisting of various plank widths to completely close the deck. Planks will interlock together lengthwise and form a "U" shaped gutter running the length of the planks. The nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches
					4)	Tongue and groove closed deck arrangement consisting of various plank widths to completely close the deck. Planks will interlock together via a male "tongue" extrusion and a female "groove" extrusion running the length of the planks. The nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches
					5)	Welded deck arrangement consisting of various plank widths to completely close the deck. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches. Planks to be longitudinally welded at the factory creating one-piece tread panels in minimum lengths of 18 feet. Field welding is not acceptable. Decking members will interlock together prior to welding via a "U" shaped gutter running the length of the planks. The nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap.
					6)	No-Pen interlocking closed deck arrangement consisting of various plank widths to completely close the deck. Planks will interlock together lengthwise and form a "U" shaped gutter running the length of the planks. The nose plank shall capture the riser plank in an extruded pocket and the heel plank shall have a lip at the back to allow the riser plank to overlap. The heel and nose extrusions shall be constructed to allow the seat brackets, sub-step brackets, mid-aisle handrails and all other components to be made using self locking nuts and without deck penetrations. No through bolting of the aluminum deck system is permitted. Seats to be mounted using tread mount aluminum "Z" brackets for 8 inch rises and riser mount aluminum "L" brackets for rises greater than 8 inches.
			10.	Guardrails
	** NOTE TO SPECIFIER ** Select one of the following two guard rail paragraphs and delete those not required.
				a.	Provide at all sides of bleacher, entry stairs, ramps, portals and landings. All guardrails shall be secured to angle rail risers using galvanized fasteners. Railing shall be 42 inches above walkways and entrances. Railing shall be 42 inches above any adjacent seat. Railing shall consist of anodized aluminum pipe with cast aluminum fittings and 9 gauge galvanized chain link mesh infill
				b.	Provide at all sides of bleacher, entry stairs, ramps, portals and landings. All guardrails shall be secured to angle rail risers using galvanized fasteners. Railing shall be 42 inches above walkways and entrances. Railing shall be 42 inches above any adjacent seat. Railing shall consist of vertical picket rails in 6 foot panels. The top and bottom rail shall be 1-1/2 inch by 1/2 inch steel channels and the pickets shall be 1/2 inch square bars spaced 4 inches O.C.
			11.	Accessible Seating:
				a.	Provide wheel chair spaces as required by the ADA.
				b.	Any adjacent riser area to be closed using intermediate construction.
		B.	Structural Performance: Design, engineer, fabricate, and erect grandstands to withstand specified design loads within limits and under conditions required. Minimum design loads shall be:
			1.	Live Load: 100 psf gross horizontal projection.
			2.	Lateral Sway Load: 24 plf seat plank.
			3.	Perpendicular Sway Load: 10 plf seat plank.
			4.	Live Load of Seat and Tread Planks: 120 plf.
			5.	Guardrail: Per applicable code.
			6.	All manufactured connections to be shop welded. Welding by certified welders conforming to AWS Standards.
		C.	Materials/Finishes:
			1.	Steel Framework:
				a.	Structural fabrication with ASTM A36 steel.
				b.	Shop connections are seal welds.
				c.	After fabrication all steel is hot-dipped galvanized to ASTM A123.
			2.	Aluminum Framework:
				a.	Angle shapes are extruded aluminum alloy 6061-T6 mill finish.
			3.	Seating/Planking/Tread/Joint Sleeve, etc:
				a.	Seat planks, backrests, riser planks and railing are extruded aluminum alloy 6063-T6. Clear anodized 204R1, AA-M10C22A31, Class II.
				b.	Tread Planks: Extruded aluminum alloy, 6063-T6 mill finish.
				c.	Joint Sleeve assembly: Extruded aluminum alloy, 6063-T6, mill finish.
			4.	Accessories:
				a.	Channel End Caps: Aluminum alloy, 6063-T6, clear anodized 204R1, AA-M10C22A31, Class II.
				b.	Hardware:
					1)	Bolts, Nuts: Hot-dipped galvanized.
					2)	Tie-down Clip Assembly: Aluminum alloy 6061-T6.
					3)	Structural Hardware: Equal to or greater than hot-dipped galvanized ASTM-A307. No connections utilizing high strength bolts are classed as slip critical.
				c.	Aisle and stair nose to be extruded aluminum alloy 6063-T6, non-skid black powder coated finish.
			5.	Concrete foundations and anchor bolts: Section 03300.
	PART 3	EXECUTION
	** NOTE TO SPECIFIER ** Coordinate with Section 03300 Cast-In Place Concrete for concrete foundations. Footings for the grandstand shall provide sufficient bearing area at bottom to support all loads of the grandstand. Depth and design of footings shall be determined by local soil conditions. Hot-dipped galvanized anchor bolts shall be secured in the concrete footings. Concrete shall attain working strength of 3,000 psi.
	3.1	EXAMINATION
		A.	Examine supporting foundations for compliance with manufacturer's requirements, including installation tolerances and other conditions affecting performance of supporting members.
		B.	Check installed anchor bolts for accuracy. Verify that bearing surfaces are ready to receive the work.
		C.	If preparation is the responsibility of another installer, notify Architect of unsatisfactory preparation before proceeding.
	3.2	INSTALLATION
		A.	Install in accordance with manufacturer's instructions and the approved shop drawings.
	3.3	PROTECTION
		A.	Protect installed products until completion of project.
		B.	Touch-up, repair or replace damaged products before Substantial Completion.
	END OF SECTION