4aDivision II Specifications.pdf

SECTION 2886 - SHADE SHELTERS

PART I - GENERAL DESCRIPTION

OF WORK

Work of this Section includes furnishing all materials and labor required in the construction of shade shelters.

RELATED WORK SPECIFIED ELSEWHERE

Section 3290 - Sitework Concrete Section 5100 - Structural and Miscellaneous Metals Section 9900 - Painting

SUBMITTALS

Submit the following for approval:

Metal Fabricators Qualifications and Experience

Metal Roof Samples

Metal Fabrication Shop Drawings - Detailed drawings relative to the fabrication of the steel frame and catalog cuts for the steel roofing panels with color chart and sample.

PART II - PRODUCTS

A. Concrete Piers - Concrete piers shall conform to the requirements of Section 3290 - Sitework Concrete.

B. Steel Frame - All tubular and plate steel shall conform to the requirements of Section 5100 - Structural and Miscellaneous Metals.

C. Anchor Bolts - Anchor bolts will be Hilti- HKB, ½” x 3- ¾”'. Install all anchor bolts in accordance with the manufacturer's recommendations.

D. Metal Roofing Panels - Steel roofing panels shall be 24-ga. "R- Panel" as manufactured by Metal Sales, 1-800-289- 7663. Provide color sample. All exposed edges to be covered with steel eave trim of the same color as the roof panels.

E. Paint and Primer - Primer for all metal surfaces shall be of the red oxide or zinc chromate variety. All fabricated metal equipment shall be shop painted with two coats of primer prior to delivery to the project site. Paint shall be Sherwin Williams Pro Industrial, Urethane Alkyd Enamel, gloss. Color shall be "French Roast", SW#6069 or approved equal. The Contractor shall submit the color sample to the Project Manager for approval prior to application.

Apply two coats according to the manufacturer 's recommendations.

PART III - EXECUTION

Layout shade shelters according to the drawings at the locations shown. Request formal approval of the layout from the Project Manager prior to excavation for the concrete. Excavation for the concrete piers and/or slab shall be according to the details shown on the drawings. Supports shall be set plumb and to the desired elevation. Place concrete according to the requirements of Division 3- Concrete.

Install the steel supports onto the piers or slab as detailed on the drawings. Field weld the cross struts in place, grind and prime welds. Paint frame in accordance with the requirements of Section 9900- Painting.

Erect the metal roofing panels in accordance with the manufacturer's recommendations for placing panels in proper sequence with sheets held true to line with horizontal lines level, vertical lines plumb and with side joints fitting tightly together. Fasten eave trim on approximately 6-inch centers with pop rivets. Pop rivets shall be the same color as the roofing material. Field touchup minor abrasions or scratches with the same finish used by the manufacturer.

Backfill and fine grade around shelter to obtain positive drainage away from the structure.

END OF SECTION

SECTION 3290 - SITEWORK CONCRETE

PART I- GENERAL

DESCRIPTION OF WORK

Work of this Section includes furnishing and placing Portland cement concrete associated with the sitework shown on the drawings. This Section includes, but is not necessarily limited to concrete sidewalks, concrete use pads at campsites, plaza paving, and curbing.

REFERENCE STANDARD

Sitework concrete placements shall conform with the applicable requirements of ACI 301-96 "Standard Specification for Structural Concrete" and ACI 302.1R-89, "Guide for Concrete Floor and Slab Construction."

Design Mixture- Contractor shall submit the proposed concrete design mixture for review by the Project Manager per the requirements of ACI 301-96.

Joint Placement Design - Unless indicated by the drawings, provide drawings indicating placement of isolation, expansion, contraction, control and construction joints on all concrete work for review and approval by the Project Manager

Product Data - Provide product samples and data sheets for all joint materials and curing/sealer compound.

QUALITY ASSURANCE

Concrete work that, in the opinion of the Project Manager , exhibits excessive surface undulations, water entrapment, uneven surface color and/or texture, poor finish quality, or obvious structural failure such as freezing, surface spalling or excessive cracking shall be removed and replaced at the Contractor's expense.

INSPECTION

The Contractor shall have all scheduled concrete pours approved by the Project Manager a minimum of 24 hours prior to placement. Unapproved concrete pours may result in the removal and replacement of concrete at the Contractor's expense.

TESTING

Testing Laboratory: Retain the services of an independent testing laboratory and pay all costs to take samples, make tests and submit reports of tests to the Project Manager .

Extent of Tests: Take samples and make tests for each 50 cubic yards of fresh concrete placed, the strength tests may be waived by the Project Manager if, in his or her judgment, adequate evidence of satisfactory strength is provided.

Compression and Strength Tests: Each test shall consist of three standard 6" by 12" cylinders; one cylinder to be tested at the age of7 days and two cylinders at the age of28 days. Samples from which compression test specimens are molded shall be secured in accordance with ASTM C172. Specimens made to check the adequacy of the design for strength of concrete, or as a basis for acceptance of concrete shall be made laboratory cured in accordance with ASTM C31. Additional tests of specimens cured entirely under field conditions may be utilized to check the adequacy of curing and protection of the concrete as directed.

Strength tests shall be made in accordance with ASTM C39.

Ready-Mix Concrete: Measure, batch, mix and deliver concrete in conformance with ASTM C94. Delivery tickets shall be submitted to the Project Manager, if requested. Information on batch tickets shall include:

gallons of water added by truck operator, plus quantity of concrete in the truck each time water was added;

number of drum revolutions at mixing speed; discharge time; location of batch in placement; water cement ratio.

ENVIRONMENTAL REQUIREMENTS

Concrete, when deposited, shall have a temperature between 50° and 85°F. In freezing weather, provide cold weather protection to maintain concrete temperature not lower than 70°F for 3 days, or 50°F for 5 days after placing. The methods and recommended practices described in ACI 306R shall be followed for cold weather concreting and ACI 305R shall be followed for hot weather concreting. The use of salt, chemicals or other foreign materials shall not be mixed with concrete for the purpose of preventing freezing.

WARRANTY

Provide a written two-year warranty on all concrete work against defects in materials and workmanship to the Project Manager when concrete work is complete.

PART II- PRODUCTS

A. Concrete Materials

1. Portland Cement: Type II, ASTM C150.

2. Admixtures: Air entrainment shall be 5% to 7%. Admixtures shall conform to ASTM C260.

3. Coarse Ag gate: Except as otherwise specified, aggregate shall be hard, durable, uncoated crushed stone, or gravel conforming to ASTM C33. Maximum size aggregate shall be 1". Total deleterious substances shall not exceed 1% of the aggregate by weight.

4. Slump: At time of placement, 3" to 4" for formed construction, 2" to 3" for slabs and flatwork.

5. Mix Proportioning: Except as otherwise specified, concrete shall have a 28-day compressive strength o f moist cured laboratory samples of 4,000 psi, minimum for all construction. Minimum cement content: 5 -1/2 sacks of cement per cubic yard. Maximum water content, including aggregate surface moisture but excluding water of absorption of aggregate: 5-1/2 gal. of water per sack of cement for all structure construction and repair. Mixing water shall be clean and free of oil, acid and injurious amounts of vegetable matter, alkalies and other impurities.

6. Curing Compounds/Sealer: Curing compounds/sealers shall be of the liquid membrane type, conforming to ASTM C309, Type I . Use Master Builders' "Masterseal," Protex Industries "Acrychlor-Clear," Gifford-Hill "Sealco 800," or Sonneborn's "Kure-N-Seal 0800," hardener-sealer. Apply sealer in strict accordance with the manufacturers' instructions in two coats. Minimum application rates for first coat 400 square feet/gallon, second coat 600 square feet/gallon.

B. Concrete Design Mix - Ready-mix only, conforming to ASTM C94. Furnish the Division with a concrete design mix not less than 5 days prior to placing concrete to include the following: aggregate gradation, weight of aggregate per cubic yard, weight of water per unit weight of cement, slump, percent entrained air content, type and quantity of cement and admixtures per cubic yard, compressive strength. Mix and supply concrete only in quantities for immediate use. Do not retemper or use set concrete.

PART III- EXECUTION

A. Delivery- The delivery of ready-mix concrete shall conform to the requirements of ASTM C 94 and to the following r6quirements. The concrete shall be deposited in place within 90 minutes after batching when concrete is in truck mixers or agitating trucks, and within 60 minutes when delivered in non-agitating trucks.

B. Placing: Excavations, formwork, reinforcement, and compacted aggregate subgrade placements to a 95% of maximum density as determined by AASHTO T180. Concrete placements shall be made only in the presence of the Project Manager unless acceptable provisions have been otherwise.

Unauthorized placements may be subject to rejection, requiring removal and replacement at the Contractor's expense. Transport concrete from mixer to final position using a method which will prevent separation or loss of material. Maximum height of concrete free fall is 5' unless otherwise authorized by the Project Manager. Regulate the rate of placement to insure concrete remains in a plastic state and flows into position. Deposit concrete in a continuous operation until section is completed.

C. Consolidating Concrete: Use mechanical vibrating equipment for consolidation. Do not use vibrators to transport concrete in forms. Vibrate concrete the minimum amount required for consolidation.

D. Finishing: Immediately after the horizontal surface has been struck off to the required grade, the surface shall be hand finished to smooth and even surfaces by both longitudinal and transverse movement of wooden floats. All flatwork which is permanently exposed to weather and view shall be troweled to a smooth finish and receive a medium broom texture immediately before curing.

E. Protection and Curing

1. General: Freshly deposited concrete shall be protected from premature drying and excessively hot or cold temperatures and shall be maintained without drying at a relatively constant temperature for the period of time necessary for the hydration of the cement and proper hardening of the concrete

2. Curing: Curing shall immediately follow the finishing operation. Concrete shall be kept continuously moist at least overnight. One of the following materials or methods shall be used:

curing compound/sealers conforming to ASTM C390. Such compounds shall be applied in accordance with the recommendations of the manufacturer and shall not be used on any surfaces against which additional concrete or other cementitious finishing materials are to be bonded, nor on surfaces on which such curing is prohibited by the project specifications.

3. Cold‐Weather Temperature: When the mean daily temperature of the atmosphere is less than 40°F., the temperature of the concrete shall be maintained between 50°F. and 70°F. for the required curing period. When necessary, arrangements for heating, covering or insulating shall be made in advance of placement and shall be adequate to maintain the required temperature and moisture conditions without injury due to concentration of heat. Addition of calcium chloride shall not be permitted.

G. Clean Up:

‐All concrete surfaces will be thoroughly cleaned prior to final acceptance. Concrete splatters shall be removed from adjacent surfaces and if necessary stoned from concrete surfaces to the satisfaction of the Project Manager. Completed concrete surfaces shall be washed down and cleaned of all dirt and debris.

SECTION 5100 - STRUCTURAL & MISCELLANEOUS METALS

PART I- GENERAL

Work of this Section includes furnishing and installing all structural and miscellaneous metal items as indicated on the drawings and specified herein.

REFERENCE STANDARDS

Conform to current editions of the following specifications, codes and standards relating to work of this Section:

American Institute of Steel Construction (AISC) Specification for the Design, Fabrication and Erection of Structural Steel for Buildings, with Commentary.

American Society for Testing and Materials (ASTM) Specification designations as referenced hereafter.

American Welding Society (AWS)

Dl.l Structural Welding Code- Steel

Qualification of Welders- Provide certification that each welder is qualified in accord with the AWS Code Dl.l, and has been performing welding of the type required for substantially the last six months.

Retest and recertify any welder when the work of the welder creates reasonable doubt as to his proficiency. When required, conduct tests at no additional expense to the Division. Submit recertification of the welder only after the welder has taken and passed the required retest.

Shop Drawings - Include location of each item, pertinent dimensions affecting construction, description of materials, and connections. Connection details shall show size and locations of bolts, and size, shape, and lengths of each weld. Indicate welds by AWS Standard Welding Symbols.

Product Data- Manufacturer's standard catalog data or brochures on various manufactured items specified.

Certifications - Submit certification of each welder, in accordance with the AWS Code D1.1, giving name, time, and place of certification.

PRODUCT DELIVERY STORAGE & HANDLING

Deliver anchorage devices to be embedded in concrete ample time to be installed before the start of concrete operations. Provide all necessary setting drawings, templates, and directions for installation of anchorage devices. Store steel members above ground on platforms, skids, or other devices, and protect from corrosion. Store other materials in a dry, weather tight location until ready for use. Store packaged materials in original unbroken packages or containers.

Materials Structural and Miscellaneous Metal Materials

Structural Shapes ASTM A36, shapes, angles, plates and bars of sizes indicated on the drawings Structural Tubing ASTM A500, Grade B sizes and thicknesses as indicated on the drawings Steel Pipe ASTM A53, Type S, Grade B, Standard weight, sizes as indicated on the drawings Fastener Anchor Bolts: ASTM A307, Section 1.3 Common Bolts: ASTM A307, Grade A

Plain Washers: ANSI B18.22.1 Beveled Washers: ANSI B18.23.1

Toggle Bolts: Fed. Spec. FF-B-588

Filler Metals Shielded Metal-Arc Welding: AWS A5.1 or A5.5 for Welding Submerged Arc Welding: AWS A5.17 Metal Primer Fed Spec. TT-P-86, Type I, alkyd modified oil base primer

PART III - EXECUTION

A. GENERAL

Workmanship- Construct all items of sizes, shapes and with materials as indicated and specified.

Fabricate structural steel in accordance with Section M2 of the AISC Specifications, with modifications and additional requirements specified hereafter. Perform fabrication and assembly in the shop to the greatest extent possible. Form materials with sharp angles or lines, free from bends, twists, or open joints. Shear and punch clean, true lines and surfaces. Thickness of metals and details of assembly and supports shall provide ample strength and rigidity. Weld or bolt all permanent connections.

Erect all work true to lines and planes, with vertical lines plumb and horizontal lines level. Verify all measurements before fabricating any item.

Welding - Perform all welding in the shop and in the field with welders qualified under the AWS Welding Code Dl.l for class of work employed Protect adjacent construction and materials against damage. Neatly and symmetrically make all welds. Fill or grind to a uniform, smooth shape. Where required to present a uniform appearance, fill the space between welds and weld irregularities with a suitable metal putty or compound made for this purpose.

Fastenings - Provide concealed fastenings wherever possible. Do not use screws or bolts where they can be avoided; where used, heads shall be countersunk, screwed up tight and threads nicked to prevent loosening. Make threaded connections tight so that threads shall be entirely concealed by fittings.

Shop Painting- Clean all ferrous metal with solvents to remove grease and oil, and power wire-brush or sandblast to remove loose rust, loose mill scale, and other foreign substances. Materials shall be given a shop prime coat as specified in Paragraph: Materials, with a minimum dry film thickness of 2.0 to 3.5 mils. Where items are not scheduled to be finish painted, provide a second shop prime coat with a minimum dry film thickness of 2.0 mils.

B. Fabrication & Installation General - Erect structural steel framing in accordance with Section M4 of the AISC Specifications with modifications and additional requirements specified hereafter.

Field Touch-Up Painting - After erection of steel, thoroughly clean and touch-up field bolt heads and nuts, field welds, and abrasions in the shop paint coating with the same metal primer used for shop painting.

SECTION 9900 - PAINTING

PART I - GENERAL

Work of this Section includes furnishing and applying all shop painting as indicated or scheduled on drawings and specified herein.

RELATED WORK SPECIFIED ELSEWHERE

Section 5100- Structural & Misc. Metal

Labels -Include the following on labels of each paint container: The manufacturer’s name and stock number, type and color of paint or stain, instructions for use and application, and label analysis.

Colors - Refer to Paragraph IJI, Colors, for color locations and numbers.

Field Quality Control - Request review of first finished room, space or item of each color scheme required for approval by the Project Manager for color, texture, and workmanship. After approval, use first acceptable room, space or item as a project standard for each color scheme.

SUBMITTALS

Submit following for approval:

Color Samples - 12" x 12" color samples on paint-out cards or hardboard, in triplicate, of each color and sheen selected, for approval prior to delivery of paint materials to the site.

Product-Data - Submit with color samples a list of all paint materials proposed for use on the project, with manufacturer's descriptive data on each material.

PRODUCT DELIVERY STORAGE A N D HANDLING

Deliver paint materials to the site in manufacturer's original sealed containers with labels and directions intact and legible. Store paint materials in a single place designated by the Contractor and approved by the Project Manager. Keep storage area clean. Remove all soiled or used rags, waste, and trash from storage area daily and take every precaution to avoid danger of fire.

JOB CONDITIONS

Environmental Requirements- Do not apply paints when surface temperature is below 50°F (I0°C) unless otherwise specified. Do not paint exterior surfaces during damp, frosty, or rainy weather, or until the surface has thoroughly dried from effects of such weather. Avoid painting surfaces exposed to hot sun.

Protection of Surrounding Materials - During painting operations, take all precautions to protect floor materials, masonry, aluminum, glass, and other prefinished surfaces from paint 'spatter, spillage, and other soiling. Upon completion of work, remove all paint and varnish spots from floors, and other surfaces.

APPROVED MANUFACTURERS

Except as otherwise specified, specifications and products scheduled are of the following manufacturer: The Sherwin-Williams Company (S-W), Cleveland, OH 44115,(1984 Painting Systems)

Specifications are derived from above manufacturers' standard specification numbers for a complete coating system, including primers, undercoats, finish coats and varnishes, as applicable. Equivalent products of other first quality manufacturers shall be acceptable subject to compliance with specified systems with regard to type of paint in system, spreading rate, wet or dry film thickness, and sheen.

Use only top quality materials on the project. Materials not specified but required for successful application of a specified paint or coating must be of the brand and type recommended by the approved paint manufacturer. Use materials in strict accordance with manufacturers' directions, including spreading rate, number of coats and wet or dry film thickness.

EXTERIOR PAINT SCHEDULE

Ferrous Metal - Alkyd Semi-Gloss (Primer and Two Coats) Structural and miscellaneous metal.

1st Coat S-W Ken Kromik Universal Primer, B50Z Series (6 mils wet, 3 mils dry) 2nd Coat S-W Industrial Enamel, B54 Series

3rd Coat S-W Industrial Enamel, B54 Series (5. mils wet; 2 mils dry per coat)

COLORS

Colors listed below are Sherwin-Williams S-W colors.

All 2-1/2” Sch 40 steel Pipe S-W "Walnut Brown", SW 4009

PART III - EXECUTION

SURFACE PREPARATION

Ferrous Metal - Remove grease, oil, dirt and dust with mineral spirits. Remove all rust, mill scale and weld spatter by wire brushing, sanding, or sandblasting as required to produce a satisfactory painting surface.

Apply appropriate metal primer immediately after surface preparation. Touchup chipped or abraded areas of shop coated items with specified primer before proceeding with finish painting.

APPLICATION AND WORKMANSHIP

Apply materials at proper consistency, not thinned or otherwise altered except in accordance with manufacturers' printed directions. Apply each coat under adequate illumination, spread evenly and flowed on smoothly without runs, sags, skips, thin spots, brush marks, or any other defects. Allow each coat to dry thoroughly before applying the succeeding coats. Between coats, sand enamel and varnish finishes applied to metal or wood with fine sandpaper, and dust thoroughly to produce a smooth surface.

Protect paint work and adjacent work at all times by suitable covering. Upon completion of work, remove all paint spots from adjacent surfaces, remove all rubbish and accumulated materials of whatever nature, and leave work in a clean, orderly, and acceptable condition.