City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 18
WI 11.2 JOINT SEALANT REPAIR
A. Refer to Work Item 11.0, "Crack and Joint Repair" for scope of Work, materials and procedure associated with this Work Item. Refer to Detail 11.2 for specific requirements.
WI 11.3 VERTICAL JOINT SEALANT
A. Scope of Work
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to locate and mark failed vertical joint sealant, remove existing sealant, prepare edges and reseal vertical joints. Refer to Detail 11.3 for specific requirements.
B. Materials
1. Approved materials for use in this Work are specified in Division 07 Section "Concrete Joint Sealants."
2. Materials used shall be as specified in Division 07 Section "Architectural Joint Sealants."
C. Execution
1. Contractor shall locate failed crack/joint sealant by visual inspection.
2. Contractor shall remove existing sealant from joints and/or cracks.
3. When existing joint dimensions do not conform to Detail 11.3, joints shall be routed or sawcut to an adequate width and depth to match Work Item Detail. Routing shall be performed by mechanized device that has positive mechanical control over depth and alignment of cut.
4. Cavities shall be thoroughly cleaned by either sandblasting or grinding to remove all remaining sealant and unsound concrete which may interfere with adhesion.
Groove shall also be air blasted to remove remaining debris.
5. Sealant materials and installation procedures shall be in accordance with referenced specifications for selected material.
6. Tool as necessary.
7. If traffic topping will contact vertical joint sealant, traffic topping manufacturer shall verify in writing that joint sealant is compatible with traffic topping.
WI 11.5 EPOXY INJECTION
A. Scope of Work
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 19
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to locate cracks and obtain approval by the Engineer for crack injection, prepare and pressure inject cracks with an epoxy resin so as to create waterproof barrier and/or structural repair as indicated in the Drawings. Refer to Detail 11.5 for specific requirements.
B. Materials
1. Epoxy injection materials shall be as specified in Division 03 Section “Epoxy Injection Systems.”
C. Execution
1. Epoxy injection work and materials shall be performed in accordance with Division 03 Section "Epoxy Injection Systems."
2. Contractor is responsible for location of all locations requiring epoxy injection prior to start of Work.
3. Contractor shall allow for Engineer/Architect inspection of all epoxy injection sites for condition as specified.
4. No payment will be allowed for Work executed without Engineer/Architect inspection and verification.
5. Remove and patch all ports, holes, temporary seal materials to match existing conditions. This is considered incidental to the Work.
6. Clean and paint the repair area limited to the disturbed surfaces to match existing surfaces.
WI 11.7 COVE SEALANT
A. Scope of Work
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to prepare concrete surfaces and install cove sealant between floor and vertical surfaces as shown on Drawings. Refer to Detail 11.7 for specific requirements.
B. Materials
1. Joint sealant materials shall be as specified in Division 07 Section Concrete Joint Sealants."
C. Execution
1. Intersection to be sealed shall be thoroughly cleaned by sandblasting to remove all contaminants and foreign material.
2. Entire Work area shall then be cleaned with compressed air to assure that all loose particles have been removed and that intersection is dry.
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 20
3. Properly prepared intersection shall be coated evenly and completely with joint primer material on each of intersecting faces in accordance with sealant manufacturer's recommendations.
4. After primer has cured, apply cove sealant to intersection such that sealant extends 0.75 in. onto each of intersecting faces.
5. Work cove sealant into joint so that all air is removed and tool to concave shape such that minimum throat dimension of no less than 0.5 in. is maintained.
6. Remove excess sealant and allow to cure.
WI 16.0 TRAFFIC TOPPING
A. Scope of Work
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals, including installation of joint sealant materials, necessary to prepare existing floor surfaces and install traffic topping. Coating of all vertical surfaces within Work limits shall be incidental to installation of traffic topping. Refer to Detail series 16.0 for specific requirements.
B. Materials
1. Traffic topping materials shall be as specified in Division 07 Section "Traffic Coatings."
C. Execution
1. Floor surface preparation shall be performed by coating system licensed applicator or under its direct supervision.
2. Shotblast surface preparation is required for floors.
3. Coating system shall be installed by licensed applicators in strict accordance with manufacturer's recommendations and referenced specification section.
4. Crack preparation, including installation of sealant material where required, is incidental to traffic topping work.
5. Coating system shall be thoroughly cured prior to Work areas being returned to service.
WI 16.1 TRAFFIC TOPPING - VEHICULAR
A. Refer to Work Item 16.0, "Traffic Topping" for Scope of Work, materials and procedure associated with this Work Item. Refer to Detail 16.1 for specific requirements.
WI 21.0 P/T- REPAIR
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 21
WI 21.1 INSPECT P/T TENDON ANCHORAGE & REPAIR AT SLAB EDGE A. Scope of Work
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to expose tendon anchors for Engineer review of damage or deterioration to the anchorage assembly. Concrete work performed in association with this work will be paid separately under Work Item series 3.0. Refer to Detail
21.1 for specific requirements.
B. Materials (Not Used)
C. Execution
1. Remove concrete at anchorage locations in accordance with Work Item series 3.0 sufficient to permit clear viewing of the anchorage. Remove concrete only as shown and to the limits detailed at the anchorages.
2. Clean exposed tendon and anchorage assembly for inspection and condition documentation. Notify Engineer at least 48 hours before exposing anchorages, do not patch exposed tendon or anchorage until Engineer’s inspection is complete and Engineer gives approval to proceed with patching.
3. Clean and epoxy coat exposed reinforcing steel and anchor plate per Work Item series 3.0.
4. Re-cast concrete at anchorage locations in accordance with Work Item series 3.0 to match surrounding concrete. Concrete work performed in association with this work will be paid separately under Work Item series 3.0.
WI 21.2 PROTECT EXPOSED P/T TENDON(S)
A. Scope of Work
1. This work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to remove damaged tendon sheathing, re-grease (or epoxy coat tendons as approved by Engineer) in damaged area and install new sheathing. Concrete work performed in association with this work will be paid separately under Work Item series 3.0. Refer to Detail 21.20 for specific requirements.
B. Materials
1. Material shall be as specified in Division 03 Section “Unbonded Post-Tensioned Concrete.”
C. Execution
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 22
1. Remove damaged sheathing materials from exposed tendon.
2. Grease coating:
a. Apply additional corrosion-inhibiting grease over the damaged area to completely fill any void or surface depression caused by the sheathing damage.
3. Epoxy coating option (use only as approved by Engineer). a. Clean tendon to remove grease residue from exposed tendon. b. Apply uniform coating of epoxy to exposed tendon.
4. Install split sheathing over exposed tendon. Sheathing shall overlap existing sheathing by at least two inches at each end. Sheathing shall be oriented such that the split is toward the bottom.
5. Tape entire length of repair, spirally wrapping tape around sheathing to provide at least two layers of tape. Taping shall overlap existing sheathing by 2 in. at each end.
WI 25.0 MECHANICAL
WI 25.1 MECHANICAL – ALLOWANCE
A. Scope of Work
1. Mechanical allowance shall be all related utility work (drain lines, sprinkler lines, electrical conduit, junction boxes, etc.) associated with interruptions of these utilities to repair existing structural areas.
2. All utilities removed during Work shall be reinstalled in accordance with latest edition of electrical and mechanical codes in effect. Work ineligible for allowance includes Work covered by or incidental to Work Items within this Specification or for Work required through Contractor's negligence.
B. Method of Payment
1. Mechanical work as approved in writing by Engineer/Architect prior to implementation, shall be paid for by Contractor. Contractor shall provide written documentation of costs for work performed, including invoices from subcontractors with any General Contractor's markup, to Engineer/Architect with each pay request. Contractor shall attach documentation and invoices to written authorization. At completion of project, any variation between allowance and actual cost documentation will be reflected in an adjustment of allowance amount.
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 23
WI 30.0 ELECTRICAL – LIGHTING
WI 30.1 ELECTRICAL ALLOWANCE
A. Scope of Work
1. Electrical allowance shall be all related utility work (drain lines, sprinkler lines, electrical conduit, junction boxes, etc.) associated with interruptions of these utilities to repair existing structural areas.
2. All utilities removed during Work shall be reinstalled in accordance with latest edition of electrical and mechanical codes in effect. Work ineligible for allowance includes Work covered by or incidental to Work Items within this Specification or for Work required through Contractor's negligence.
B. Method of Payment
1. Electrical work as approved in writing by Engineer/Architect prior to implementation, shall be paid for by Contractor. Contractor shall provide written documentation of costs for work performed, including invoices from subcontractors with any General Contractor's markup, to Engineer/Architect with each pay request. Contractor shall attach documentation and invoices to written authorization. At completion of project, any variation between allowance and actual cost documentation will be reflected in an adjustment of allowance amount.
WI 30.11 REPLACE LIGHT FIXTURES
A. Scope of Work
1. Replace existing surface mounted and pole mounted light fixtures per Sheets E5, E6, and E7 of the project plans.
WI 30.2 REMOVE AND REPLACE FIRE EXTINGUISHER CABINET
A. Refer to Work Item 30.2 for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail 30.2 for specific requirements.
WI 40.0 CONNECTIONS/BEARINGS
WI 40.6 REMOVE EXISTING GUARDRAIL
A. Refer to Work Item 40.6 for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail 40.6 for specific requirements.
WI 40.7 INSTALL NEW BARRIER CABLE
A. Refer to Work Item 40.7 for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail 40.7 for specific requirements.
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 24
WI 43.0 MISCELLANEOUS METALS
WI 43.2 REMOVE SALVAGE AND INSTALL GUARDRAIL
A. Refer to Work Item 43.2 for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail 43.2 for specific requirements.
WI 43.4 REPAIR EXISTING BARRIER CABLE
A. Refer to Work Item 43.4 “Repair Existing Barrier Cable” for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail 43.4 for specific requirements.
WI 43.5 INSTALL NEW BOLLARD
A. Refer to Work Item 43.5 “Install New Bollard” for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail 43.5 for specific requirements.
WI 43.6 INSTALL STAIR #1 CANOPY CORRUGATED METAL COVER
A. Refer to Work Item 43.6“Install Stair #1 Canopy Corrugated Metal Cover” for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail
43.6 for specific requirements.
WI 43.7 SOUTH ENTRANCE IMPACT DAMAGE
A. Refer to Work Item 43.7 for Scope of Work, Material and Execution procedures associated with this Work Item. Refer to Detail 43.7 for specific requirements.
WI 45.0 PAINTING
WI 45.1 PAINT TRAFFIC MARKINGS
A. Scope of Work
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to locate, layout and paint exit ramp curbs and all other required pavement markings.
B. Materials
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 25
1. Painting materials shall be as specified in Division 09 Section "Pavement Marking - Restoration."
C. Execution
1. Unless otherwise indicated in the Construction Documents, stripes and paint color shall match all existing marks and be provided at same locations.
2. Where new striping layout is described in the Construction Documents that conflicts with existing striping layout, remove existing stripes in those locations where they conflict with new striping layout. See referenced specification section for removal requirements.
3. Where existing traffic marking layout is to be maintained, Contractor shall prepare drawing of existing traffic marking layout in work areas prior to starting with repairs.
Contractor shall note stall width, angle of parking, directional traffic arrows and all other existing pavement markings.
4. Contractor shall submit striping plan for Engineer/Architect's review.
5. Engineer/Architect may inspect all layout and surface preparation for conditions in accordance with Division 09 Section "Pavement Marking-Restoration." WI 45.6 PAINT STRUCTURAL STEEL
A. Scope of Work
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to contain, with full height barriers, preparation debris and paint during operations and prepare, prime and paint all structural steel and miscellaneous metal items as located on Drawings.
B. Materials
1. Paint materials shall be as specified in Division 09 Section “Exterior Painting.” C.
Execution
1. Contractor shall locate and verify with Engineer/Architect all Work areas.
2. Contractor shall verify color selection with Owner prior to start of Work.
3. Contractor shall take all necessary measures to contain, with full height barriers, sandblasting debris and paint to immediate Work area to protect public from injury and property from damage.
4. Contractor shall solvent clean any surface area with oil or grease build-up prior to receiving additional preparation in accordance with SSPC-SP1 and Division 09 Section "Exterior Painting."
5. Contractor shall prepare all surfaces with surface corrosion in accordance with SSPC-SP10 “Near White Metal Blast Cleaning” or SSPC-SP11 “Power Tool Cleaning to Bare Metal” and Division 09 Section "Exterior Painting."
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C.I.P No. 699
WORK ITEMS 020010 - 26
6. Contractor shall remove all debris from Work area prior to application of primer or paint.
7. Contractor shall apply primer to all prepared metal surfaces on same day (within 8 hrs) as preparation operations. Apply primer and Paints according to Division 09 Section "Exterior Painting" and in strict accordance with manufacturer's recommendations.
WI 45.7 CLEAN AND PAINT STAIR RAILINGS
A. Scope of Work
1. Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to contain debris, with full height barriers, cleaning, preparation and paint during operations and prepare, prime and paint all structural steel and miscellaneous metal items as located on Drawings.
B. Materials
1. Paint materials shall be as specified in Division 09 Section “Exterior Painting.” C.
Execution
1. Contractor shall locate and verify with Engineer/Architect all Work areas.
2. Contractor shall verify color selection with Owner prior to start of Work.
3. Contractor shall take all necessary measures to contain, with full height barriers, sandblasting debris and paint to immediate Work area to protect public from injury and property from damage.
4. Contractor shall solvent clean any surface area with oil or grease build-up prior to receiving additional preparation in accordance with SSPC-SP1 and Division 09 Section "Exterior Painting."
5. Contractor shall prepare all surfaces with surface corrosion in accordance with SSPC-SP10 “Near White Metal Blast Cleaning” or SSPC-SP11 “Power Tool Cleaning to Bare Metal” and Division 09 Section "Exterior Painting."
6. Contractor shall remove all debris from Work area prior to application of primer or paint.
7. Contractor shall apply primer to all prepared metal surfaces on same day (within 8 hrs) as preparation operations. Apply primer and Paints according to Division 09 Section "Exterior Painting" and in strict accordance with manufacturer's recommendations.
WI 49.1 CATHODIC PROTECTION – DISCRETE ANODES
A Scope of Work
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
WORK ITEMS 020010 - 27
1. This Work consists of furnishing all labor, materials, equipment, supervision and incidentals necessary to install galvanic anodes in concrete repair patches for various concrete repair Work Items as shown on Drawings. Refer to Detail 49.1 for specific requirements.
B. Materials
1. Materials shall be as specified in Division 03 Section “Galvanic Anode Corrosion Protection System.”
C. Execution
1. Concrete demolition and patching shall be in accordance with appropriate repair Work Item and is not a part of this Work Item.
2. Contractor shall install discrete anodes at (16) inches on center (maximum) in each patch around the perimeter of the repair. Final anode installation locations will vary, based on existing reinforcing steel layout; determine final installation layout with Engineer input in field.
3. Unless noted otherwise, Contractor shall install discrete anodes on mild reinforcing steel only. Post-tension tendons shall not receive anodes.
4. Discrete anodes are to be installed per Specifications to the reinforcing bar to clean/bare metal. Orient anodes towards center of concrete members where possible to maximize concrete cover.
5. Confirm electrical connection between anode tie wire and reinforcing steel by measuring DC resistance (ohm) with a multi-meter. Connection is acceptable if DC resistance is less than 1 ohm
6. For highly resistive repair concrete (latex, microsilica/pozzolan enhanced, etc.), bridging mortar between discrete anode and existing concrete substrate shall be installed to provide a proper electrically conductive path.
7. Coating of reinforcing steel and anode connection wires is not to occur until after unit is installed to existing steel. Discrete anode is not to be coated with epoxy.
END OF SECTION 020010
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
SECTION 025130 - GENERAL CONCRETE SURFACE PREPARATION
PART 1 - GENERAL
1.1 DEFINITIONS
A. DELAMINATIONS: Fracture planes, "internal cracks," within concrete. Typically, these fractures are parallel to the member face and vary in depth.
B. NEAR-VERTICAL CHIPPED EDGES: Provide an edge dressed to within 20o of perpendicular of finished surface.
C. SPALLS: Potholes, cavities or voids in concrete. Usually result of delamination migrating to face of concrete member. When fracture finally reaches surface, concrete encompassed by delamination breaks away, resulting in spall.
D. UNSOUND CONCRETE: Concrete exhibiting one or more of:
1. Incipient fractures present beneath existing delaminated or spalled surfaces.
2. Honeycombing.
3. Friable or punky areas.
4. Deterioration from freeze-thaw action.
E. SCALING: Deterioration which attacks mortar fraction (paste) of concrete mix. First appears as minor flaking and disintegration of concrete surface. Scaling eventually progresses deeper into concrete, exposing aggregate which breaks away.
F. SHOTBLASTING: Scarification of concrete surfaces using an abraded metal shotrebound. See ICRI Guideline 03732 “Selecting and Specifying Concrete Surface Preparation for Sealers, Coatings, and Polymer Overlays.” PART 2 - PRODUCTS (NOT APPLICABLE)
PART 3 - EXECUTION (NOT APPLICABLE)
END OF SECTION 025130
City Of Hermosa Beach Construction Document
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C.I.P No. 699
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City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
SURFACE PREPARATION FOR PATCHING AND OVERLAY 025140 - 1 SECTION 025140 - SURFACE PREPARATION FOR PATCHING AND OVERLAY PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 01 Specification Sections apply to this Section.
1.2 SUMMARY
A. This Section includes the provision of all labor, materials, equipment, supervision and incidentals necessary to locate and remove all delaminated and unsound concrete, all existing failed patches, all existing surface spalls and potholes, and preparation of cavities created by removal to receive concrete patching material.
B. This Section includes the provision of all labor, materials, equipment, supervision and incidentals necessary to prepare existing sound concrete slab surfaces to receive bonded concrete overlay.
C. Related Sections: Following Sections contain requirements that relate to this Section:
1. Division 02 Section “Work Items”
2. Division 03 Section “Cast-in-Place Concrete – Restoration”
3. Division 03 Section “Prepackaged Repair Mortar”
1.3 REFERENCES
A. "Specifications for Structural Concrete for Buildings" (ACI 301) by American Concrete Institute, herein referred to as ACI 301, is included in total as specification for this structure except as otherwise specified herein.
B. Comply with provisions of following codes, specifications and standards except where more stringent requirements are shown on Drawings or specified herein:
1. ”Concrete Repair Guide” (ACI 546R-04)
PART 2 - PRODUCTS (NOT APPLICABLE)
PART 3 - EXECUTION
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
SURFACE PREPARATION FOR PATCHING AND OVERLAY 025140 - 2
3.1 INSPECTION
A. Floor Slabs:
1. Floor slab delaminations: locate by sounding surface with hammer, rod, or chain drag.
2. When delaminated area is struck, distinct hollow sound is heard.
3. Contractor: sound all designated floors for delaminations.
4. Certain structural systems that contain thin slab thicknesses with Welded Wire Reinforcement or other small diameter reinforcing, such as waffle slab or precast tees, may have significant deterioration without evidence of delaminations. These structural systems require qualified personnel to provide additional inspections, primarily visual in nature, to define the extent of deterioration.
5. Contractor: Visually inspect thin slab thicknesses with small diameter reinforcing for deterioration.
B. Vertical and Overhead Surfaces:
1. Vertical and overhead surface delaminations: locate by sounding appropriate member with hammer or rod.
2. Cracks, usually horizontal in orientation along beam faces, and vertical in orientation near column corners are indicators of delaminated concrete.
3. Contractor: sound only vertical and overhead surfaces that show evidence of cracking and/or salt and water staining.
C. Delaminated areas, once located by Contractor, shall be further sounded to define limits.
Mark limits with chalk or paint.
D. Contractor: locate spalls by visual inspection and mark boundaries with chalk or paint after sounding surface.
E. Engineer/Architect will define and mark additional unsound concrete areas for removal, if required.
F. Areas to be removed shall be as straight and rectangular as practical to encompass repair and provide neat patch.
G. Contractor: Locate and determine depth of all embedded REINFORCEMENT, and ELECTRICAL CONDUIT in repair area and mark these locations for reference during concrete removal. Do NOT nick or cut any embeds unless approved by Engineer/Architect.
H. For overlay installation, boundaries of overlay areas will be as defined in project drawings and verified by Engineer/Architect.
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
SURFACE PREPARATION FOR PATCHING AND OVERLAY 025140 - 3
3.2 PREPARATION
A. Temporary shoring may be required at concrete floor repair areas exceeding 5 sq ft and at any beam, joist, or column repair. Contractor: Review all marked removal and preparation areas and request clarification by Engineer/Architect of shoring requirements in questionable areas. Shores shall be in place prior to concrete removal and cavity preparation in any area requiring shores.
B. Delaminated, spalled and unsound concrete floor areas: mark boundaries. All concrete shall be removed from within marked boundary to minimum depth of 0.75 in. using 15 to 30 lb chipping hammers equipped with chisel point bits. When directed by Engineer/Architect, chipping hammers less than 15 lb shall be used to minimize damage to sound concrete. Near vertical chipped edge shall be provided along perimeter of repair area where shown on drawings. Areas to be removed shall encompass repair and proved uniform cavity surface. If delaminations exist beyond minimum removal depth, chipping shall continue until all unsound and delaminated concrete has been removed from cavity.
C. Where embedded reinforcement or electrical conduit is exposed by concrete removal, exercise extra caution to avoid damaging it during removal of unsound concrete. If bond between exposed embedded reinforcement and adjacent concrete is impaired by Contractor's removal operations, Contractor shall perform additional removal around and beyond perimeter of reinforcement for minimum of 0.75 in. along entire length affected at no cost to Owner.
D. If rust is present on embedded reinforcement where it enters sound concrete, additional removal of concrete along and beneath reinforcement required. Additional removal shall continue until non-rusted reinforcement is exposed or may be terminated as Engineer/Architect directs.
E. Sawcut patch and overlay boundaries to depth of 0.75 in. into floor slab, unless otherwise noted. No sawcutting required at overlay boundaries abutting existing vertical surface (wall, beam, curb, etc.). For vertical and overhead surfaces marked boundary may be sawcut, ground or chipped to depth of 0.5 in. to 0.625 in. into existing concrete, measured from original surface. All edges shall be straight and patch areas square or rectangularshaped. Diamond blade saw or grinder with abrasive disk suitable for cutting concrete is acceptable for performing work. Edge cut at boundary shall be dressed perpendicular to member face. It shall also be of uniform depth, for entire length of cut. Exercise extra caution during sawcutting to avoid damaging existing reinforcement (ESPECIALLY POST-TENSIONING TENDONS AND SHEATHING) and electrical conduit and any other embedded items near surface of concrete. Any damage to existing reinforcement, posttensioning tendons or sheathing during removals shall be repaired by Contractor with Engineer/Architect-approved methods at no additional cost to Owner.
3.3 INSPECTION OF REPAIR PREPARATION
A. After removals are complete, but prior to final cleaning, exposed concrete surfaces and exposed reinforcement shall be inspected by Contractor and verified by
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
SURFACE PREPARATION FOR PATCHING AND OVERLAY 025140 - 4 Engineer/Architect for compliance with requirements of this Section. Where Engineer/Architect finds unsatisfactory surface or cavity preparation, Engineer/ Architect shall direct Contractor to perform additional removals. Engineer/Architect shall verify areas after additional removals.
B. Contractor shall inspect embedded reinforcement and conduits exposed within cavity for defects due to corrosion or damage resulting from removal operations. Contractor shall notify Engineer/Architect of all defective and damaged reinforcement or conduits.
Replacement of damaged or defective reinforcement or conduits shall be performed according to this Section and as directed by Engineer/Architect.
C. After inspections of exposed surfaces and reinforcement are complete, Engineer/ Architect and Contractor shall measure and document removal and replacement quantities for payment, as required.
3.4 REINFORCEMENT AND EMBEDDED MATERIALS IN REPAIR AREAS A. All embedded reinforcement exposed during surface preparation that has lost more than 15% (10% if 2 or more consecutive parallel bars and/or tendons are affected) of original cross-section due to corrosion shall be considered DEFECTIVE. All non-defective exposed reinforcement that has lost section to extent specified above as direct result of Contractor's removal operations shall be considered DAMAGED.
B. Embedded materials including, but not limited to, electrical conduit, corrosion protection systems and snow/ice melting equipment shall be protected by Contractor during removal operations. Damage due to removal operations shall be repaired by Contractor in accordance with national code requirements at no cost to Owner. Embedded materials which are defective due to pre-existing conditions may be repaired or replaced by Contractor or abandoned at Owner's option and cost.
C. Supplement defective or damaged embedded reinforcement by addition of reinforcement of equal diameter with Class "B" minimum splice per ACI 318 beyond damaged portion of reinforcement. Secure new reinforcement to existing reinforcement with wire ties and/or approved anchors. Supplemental reinforcement shall be ASTM A615 Grade 60 steel installed in accordance with Division 03 specification Sections.
Tendon supplement or repair materials, when applicable, shall be as required by Section "Work Items."
D. Loose and supplemental reinforcement exposed during surface preparation shall be securely anchored prior to concrete placement. Loose reinforcement shall be adequately secured by wire ties to bonded reinforcement or shall have drilled-in anchors installed to original concrete substrate. Drilled-in anchors shall be Powers “Tie-Wire Lok-Bolt” anchors, ITW Ramset/Red Head “TW-1400” anchor, or approved equivalent.
Supplemental reinforcing needed to be held off substrate shall be adequately secured by drilled-in anchors installed to original concrete substrate with Powers “Tie-Wire Spike”, ITW Ramset/Red Head Redi-Drive “TD4-112” anchors, or approved equivalent.
Engineer/Architect will determine adequacy of wire ties and approve other anchoring
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
SURFACE PREPARATION FOR PATCHING AND OVERLAY 025140 - 5 devices prior to their use. Securing loose and supplemental reinforcement is incidental to surface preparation and no extras will be allowed for this Work.
E. Concrete shall be removed to provide minimum of 3/4 in. clearance on all sides of defective or damaged exposed embedded reinforcement that is left in place. Minimum of 1.5-in. concrete cover shall be provided over all new and existing reinforcement.
Concrete cover over reinforcement may be reduced to 1 in. with Engineer/Architect's approval if coated with an approved epoxy resin.
F. Supplemental reinforcement and concrete removals required for repairs of defective or damaged reinforcement shall be paid for as follows:
1. Concrete removals and supplemental reinforcement required for repairs of DEFECTIVE reinforcement shall be paid for by Owner at unit price bid.
2. Concrete removals and supplemental reinforcement required for repairs of DAMAGED reinforcement shall be paid for by Contractor.
3.5 CLEANING OF REINFORCEMENT WITH DELAMINATION AND SPALL CAVITIES A. All exposed steel shall be cleaned of rust to bare metal by sandblasting. Cleaning shall be completed immediately before concrete placement to insure that base metal is not exposed to elements and further rusting for extended periods of time. Clean entire bar diameter be cleaned.
B. After all sandblasting operations and cleanup are completed, paint all exposed steel with an approved epoxy. Protect prepared surfaces from damage prior to and during concrete placement.
3.6 PREPARATION OF CAVITY FOR PATCH PLACEMENT
A. Floor slab and cavity surfaces will be examined prior to commencement of concrete placement operations. Sounding surface shall be part of examination. Any delamination noted during sounding shall be removed as specified in this Section.
B. Cavities prepared by chipping or other impact methods shall be sandblasted to remove material that may impair concrete bonding. Sound concrete surfaces shall be prepared by shotblasting as previously specified in this section. Airblasting is required as final step to remove all debris including sand and dust. All debris shall be removed from site prior to commencement of concrete placement, bonding agent preparation, etc. as specified in Division 03 Sections.
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
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City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
GALVANIC ANODE CORROSION PROTECTION SYSTEM 032117 - 1
SECTION 032117 – GALVANIC ANODE CORROSION PROTECTION SYSTEM PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section includes furnishing all labor, tools, materials, equipment and services necessary to properly install embedded galvanic anodes.
B. Embedded galvanic anodes are designed to provide localized corrosion protection to mild steel reinforcement that is located within a partial or full depth concrete repair.
When placed at appropriate spacing, as recommended by the product manufacturer, along the perimeter of concrete patches or interface between new and existing concrete, galvanic anodes help control active corrosion and mitigate formation of new corrosion sites.
C. Related Section: Following Sections contain requirements that relate to this Section:
1. Division 02 Section "General Concrete Surface Preparation."
2. Division 02 Section "Surface Preparation for Patching."
3. Division 03 Section "Cast-In-Place Concrete - Restoration.”
4. Division 03 Section “Prepackaged Repair Mortar”
1.3 QUALITY ASSURANCE
A. The contractor shall provide submittals confirming the chloride penetration resistance of the repair material or bridging mortar by an independent testing laboratory prior to beginning work.
1. Concrete repair material or Bridging Mortar shall have a Rapid Chloride Penetration Resistance (ASTM C1202) above 1350 Coulombs or Bulk Electrical Resistivity (ASTM C1760) below 15,000 Ohm-cm as measured after 28-day wet-cure.
B. Embedded galvanic anodes shall utilize chemical enhancement to keep the zinc active over the anode design life. Alkali-activated anodes shall have a pH of 14 or greater.
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C. Insulating materials such as epoxy bonding agents shall not be used[in any patch or concrete placement protected by galvanic anodes. D. Testing Agency:
1. Independent testing laboratory provided by Contractor and acceptable to Engineer/Architect.
2. Testing laboratory shall submit documented proof of ability to perform required tests.
3. Testing Agency is responsible for conducting, monitoring and reporting results of all tests required under this Section. Testing Agency has authority to reject material not meeting Specifications.
4. Testing of repair locations shall be performed by testing agency representatives that are NACE certified to CP2, CP3 or CP4.
5. Testing Agency shall submit the following information for Field Testing of Material unless modified in writing by Engineer/Architect:
a. Project name and location.
b. Contractor's name.
c. Testing Agency's name, address and phone number.
d. Anode manufacturer.
e. Date of report.
f. Testing Agency technician's name .
g. Placement location within structure.
h. Weather data:
1) Air temperatures.
2) Weather.
3) Wind speed.
i. Date, time, and place of test.
j. Related test data as required in Section “Field Quality Control by Testing Agency.”
1.4 REFERENCES
A. Comply with provisions of following codes, specifications and standards except where more stringent requirements are shown on Drawings or specified herein:
1. ACI/ICRI: Concrete Repair Manual.
2. ACI Guideline No. 222R: – Corrosion of Metals in Concrete
3. ACI 562: Code Requirements for Evaluation, Repair and Rehabilitation of Concrete Buildings.
4. ACI RAP-8: Repair Application Procedure: Installation of Embedded Galvanic Anodes
5. ICRI Guideline 310.1R: Guide for Surface Preparation for the Repair of Deteriorated Concrete resulting from Reinforcing Steel Corrosion.
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6. ASTM A615/A615M: Standard Specification for Deformed and Plain CarbonSteel Bar for Concrete Reinforcement.
7. ASTM A82: Specification for Plain Steel Wire for Concrete Reinforcement.
8. ASTM B6-09 - Standard Specification for Zinc.
9. ASTM B418: Standard Specification for Cast and Wrought Galvanic Zinc Anodes.
10. ASTM C1202: Standard Test Method for an Electrical Indication of Concrete Ability to Resist Chloride Ion Penetration,
11. ASTM C1760: Standard Test Method for Bulk Electrical Conductivity of Hardened Concrete.”
1.5 DELIVERY, STORAGE, AND HANDLING
A. Deliver all materials to site in original, unopened containers, bearing following information:
1. Name of product.
2. Name of manufacturer.
3. Batch number
4. Date of manufacture
B. Store materials in unopened boxes in dry conditions and protect from extremes in temperature and humidity. Replace packages or materials showing any signs of damage with new material at no additional cost to Owner.
1.6 WARRANTY
A. System manufacturer and Contractor shall furnish Owner written single source performance guarantee that the embedded galvanic anodes will remain electrochemically active, producing galvanic current and provide corrosion protection for a period of five years starting from the date of substantial completion of the project.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Embedded galvanic anodes shall utilize zinc in compliance in compliance with ASTM B418 Type II (Z13000) and ASTM B6 Special High Grade (Z13001) with iron content less than 15 ppm.
B. Embedded galvanic anodes shall be pre-manufactured, and contain sufficient quantity of metallic zinc to mitigate corrosion for a period of fifteen (15) years.
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Minimum amount of zinc shall be at least 100 grams. Amount of zinc shall be at least 200% of amount needed to satisfy anticipated service life based on electrochemical theory (Faraday’s Law) and based on currents that are expected to flow in anodes.
Zinc shall be cast around steel tie wires to provide a durable zinc / steel connection as per NACE practice. Anodes shall be supplied with integral unspliced tie wires for direct connection to reinforcing steel.
C. Embedded galvanic anodes shall be evaluated and certified by an independent organization.
D. Embedded galvanic anodes shall have verifiable record with a minimum of 5 projects of similar size showing minimum five years satisfactory performance in similar field environment. Records shall demonstrate satisfactory flow of protective current throughout three-year period; including at least 0.2 mA after 1 year, and at least 0.1 mA after 3 years. Significant cathodic polarization of surrounding reinforcing steel shall be documented throughout this period.
E. Repair mortars, concrete and bonding agents shall be Portland cement-based materials with volumetric resistivity below 15,000 ohm-cm, as measured after 28day wet cure and in saturated condition. Contractor shall provide submittals confirming the resistivity of repair materials prior to beginning work. Non-conductive repair materials such as epoxy, urethane, or magnesium phosphate shall not be permitted.
F. Deformed bars for reinforcement shall be hot-rolled steel in accordance with ASTM A615/A615M-00, Grade 60 (Grade 400).
G. Deliver, store, and handle all materials in accordance with manufacturer’s instructions.
H. Available Products: Subject to compliance with the requirements, products that may be incorporated into the Work include, but are not limited to the following: Acceptable Products (Minimum Zinc Content 100 grams) are as follows:
1. Alkali Activated Embedded Galvanic Anodes:
a. “Galvashield XP2 or XP4,” by Sika Corporation, Lyndhurst, NJ or by Vector Corrosion Technologies, Winnipeg Canada.
b. Engineer approved equal.
PART 3 - EXECUTION
3.1 CONCRETE REMOVAL AND PREPARATION
A. Concrete removal, preparation of the concrete surface for patching shall be conducted under appropriate concrete partial or full depth repair work item and according to Section “Surface Preparation for Patching.”
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3.2 CLEANING AND REPAIR OF REINFORCING STEEL
A. Clean exposed reinforcing steel of rust, mortar, etc. to provide sufficient electrical connection prior to installation of anodes.
B. Secure loose reinforcing steel by tying tightly to other bars with steel tie wire. Newly secured reinforcing steel shall be tested to insure electrical continuity according to Section “Galvanic Anode Installation: Electrical Continuity” below.
3.3 GALVANIC ANODE INSTALLATION
A. Galvanic anodes shall be installed along perimeter of repair or interface with spacing as indicated in Project Documents and in accordance with manufacturer recommendations.
1. In no case shall distance between anodes exceed 30 inches (760 mm).
2. Handle and install anodes in accordance with manufacturer’s written instructions.
3. Provide sufficient clearance between anodes and substrate to allow repair material to encase anode.
4. Install galvanic anodes immediately following preparation and cleaning of steel reinforcement.
5. Galvanic anodes shall be installed to provide minimum 2 inches (50 mm) concrete cover over the anodes. If less than 2 inches (50 mm) of concrete cover is expected, place anode behind bar and secure to clean reinforcing steel.
6. Secure galvanic anodes within 4 in (100 mm) of patch edge using anode tie wires, preferably Tie wires shall be wrapped at least one full turn in opposite directions around cleaned reinforcing steel and twisted tight to allow little or no free movement. Anode may be tied to a single bar or may be placed at an intersection between two bars and secured to each clean bar.
B. Electrical Continuity
1. At all anode locations, Contractor to confirm and report electrical continuity between anode tie wire and reinforcing steel and between exposed reinforcing steel within the repair area by using a multi-meter on the lowest DC mV scale.
Electrical continuity is acceptable if the DC mV difference between test points is equal to or less than 1 mV. Document testing and submit in accordance with Section “Submittals.”
2. If electrical continuity does not exist between anode unit and reinforcing steel, remove the anode, clean the steel, reinstall the anode and retest. If electrical continuity does not exist between reinforcing steel within the repair area, connect discontinuous steel to continuous steel by wrapping tightly with steel tie wire to provide electrical continuity.
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3.4 CONCRETE REPLACEMENT
A. Provide bridging mortar completing surrounding anode and forming a connection to patch perimeter.
B. Complete repair in accordance with appropriate work item.
C. Do not damage the anode during concrete replacement or allow anode to be soaked with water greater than 20 minutes.
3.5 FIELD QUALITY CONTROL BY TESTING AGENCY
A. Field Observations.
1. Presence of insulating materials.
2. Confirmation of material type installed.
3. Confirmation of material spacing and attachment.
4. Confirmation of material installation in accordance to manufacturer requirements. and as indicated in Contract Documents.
5. Confirm continuity of at least 10 anode locations or up to 5% of repair quantity identified by the Contractor as ready for concrete placement.
END OF SECTION 032117
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CAST-IN-PLACE CONCRETE RESTORATION 033021 - 1
SECTION 033021 - CAST-IN-PLACE CONCRETE - RESTORATION
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.
1.2 SUMMARY
A. This Section specifies cast-in-place concrete, including reinforcement, concrete materials, mix design, placement procedures, and finishes. B. Work in other Sections related to Cast-in-Place Concrete:
1. Division 1 Section “Project Management and Coordination.”
2. Division 1 Section “Quality Control.”
3. Division 1 Section "Submittal Procedures."
4. Division 2 Section "Work Items."
5. Division 2 Section "General Concrete Surface Preparation."
6. Division 2 Section "Surface Preparation for Patching."
7. Division 7 Section “Traffic Coatings.”
8. Division 7 Section “Concrete Joint Sealants.”
9. Division 9 Section “Pavement Marking.”
1.3 DEFINITIONS
A. Cementitious Materials: Portland cement alone or in combination with one or more of blended hydraulic cement, fly ash and other pozzolans, ground granulated blast-furnace slag, and silica fume.
1.4 SUBMITTALS
A. General: In addition to the following, comply with submittal requirements in ACI 301.
B. Product Data: For each type of manufactured material and product indicated.
C. Design Mixes: For each concrete mix. Use form at end of this Section.
D. Testing Agency: Promptly report all field concrete test results to Engineer, Contractor and Concrete Supplier.
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1.5 QUALITY ASSURANCE
A. Installer Qualifications: An experienced installer who has completed concrete work similar in material, design, and extent to that indicated for this Project and whose work has resulted in construction with a record of successful in-service performance.
B. Manufacturer Qualifications: A firm experienced in manufacturing ready-mixed concrete products complying with ASTM C 94 requirements for production facilities and equipment.
C. Source Limitations: Obtain each type of cement of the same brand from the same manufacturer's plant, each aggregate from one source, and each admixture from the same manufacturer.
D. Comply with ACI 301, "Specification for Structural Concrete," including the following, unless modified by the requirements of the Contract Documents.
1. General requirements, including submittals, quality assurance, acceptance of structure, and protection of in-place concrete.
2. Formwork and form accessories.
3. Steel reinforcement and supports.
4. Concrete mixtures.
5. Handling, placing, and constructing concrete. E. Testing Agency Qualifications:
1. Independent agency, acceptable to authorities having jurisdiction, and acceptable to engineer, qualified according to ASTM C 1077 and ASTM E 329 for testing indicated.
F. Testing Agency is responsible for conducting, monitoring and reporting results of all tests required under this Section. Testing Agency shall immediately report test results showing properties that do not conform to Project Specification requirements to Contractor’s authorized on-site representative and to Owner’s authorized on-site representative.
G. Testing Agency: Submit following Field Test information for Project Concrete unless modified in writing by Engineer:
1. Project name and location.
2. Contractor’s name.
3. Testing Agency’s name, address, and phone number.
4. Concrete supplier.
5. Date of report.
6. Testing Agency technician’s name (sampling and testing).
7. Placement location within structure.
8. Time of batching.
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9. Time of testing.
10. Elapsed time from batching at plant to discharge from truck at site.
11. Concrete mixture identification number.
12. Weather data:
a. Air temperatures.
b. Weather.
13. Field test data:
a. Date, time and place of test.
b. Slump.
c. Concrete Temperature.
d. Slump flow (for SCC).
e. Air content.
14. Compressive test data:
a. Cylinder number.
b. Age of concrete when tested.
c. Date and time of cylinder test.
d. Curing time (field and lab).
e. Cross-sectional area of cylinder.
f. Compressive strength.
g. Type of failure (at break).
1.6 REFERENCES
A. American Concrete Institute (ACI):
1. ACI 117, “Standard Specifications for Tolerances for Concrete Construction and Materials.”
2. ACI 214R, “Evaluation of Strength Test Results of Concrete.”
3. ACI 301, “Specifications for Structural Concrete.”
4. ACI 302.1R, “Guide for Concrete Floor and Slab Construction.”
5. ACI 305R, “Hot Weather Concreting.”
6. ACI 306.1, “Cold Weather Concreting.”
7. ACI 308R, “Guide to Curing Concrete.”
8. ACI 308.1, “Standard Specifications for Curing Concrete.”
9. ACI 318, “Building Code Requirements for Structural Concrete & Commentary.”
10. ACI 347, “Guide to Formwork for Concrete.”
11. ACI 347.2 “Guide to Shoring/Reshoring of Concrete Multistory Buildings.” B.
American Society for Testing and Materials (ASTM):
1. ASTM A 36, “Standard Specification for Carbon Structural Steel.”
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2. ASTM A 185, “Standard Specification for Steel Welded Wire Reinforcement, Plain, for Concrete Reinforcement.”
3. ASTM A 615, “Standard Specification for Deformed and Plain Carbon -Steel Bars for Concrete Reinforcement.”
4. ASTM A 706, “Standard Specification for Low-Alloy Steel Deformed and Plain Bars for Concrete Reinforcement.”
5. ASTM A 775, “Standard Specification for Epoxy-Coated Steel Reinforcing Bars.”
6. ASTM A 884, “Standard Specification for Epoxy-Coated Steel Wire and Welded Wire Reinforcement for Reinforcement.”
7. ASTM C 31, “Standard Practice for Making and Curing Concrete Test Specimens in the Field.”
8. ASTM C 33, “Standard Specification for Concrete Aggregates.”
9. ASTM C 39, “Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens.”
10. ASTM C 94, “Standard Specification for Ready-Mixed Concrete.”
11. ASTM C 138, “Standard Test Method for Unit Weight, Yield, and Air Content (Gravimetric) of Concrete.”
12. ASTM C 143, “Standard Test Method for Slump of Hydraulic Cement Concrete.”
13. ASTM C 150, “Standard Specification for Portland Cement.”
14. ASTM C 171, “Standard Specification for Sheet Materials for Curing Concrete.”
15. ASTM C 172, “Standard Practice for Sampling Freshly Mixed Concrete.”
16. ASTM C 173, “Standard Test Method for Air Content of Freshly Mixed Concrete by the Volumetric Method.”
17. ASTM C 231, “Standard Test Method for Air Content of Freshly Mixed Concrete by the Pressure Method.”
18. ASTM C 260, “Standard Specification for Air-Entraining Admixtures for Concrete.”
19. ASTM C 309, “Standard Specification for Liquid Membrane-Forming Compounds for Curing Concrete.”
20. ASTM C 494, “Standard Specifications for Chemical Admixtures for Concrete.”
21. ASTM C 567, “Standard Test Method for Determining the Density of Structural Lightweight Concrete.”
22. ASTM C 618, “Standard Specification for Coal Fly Ash and Raw or Calcined Natural Pozzolan for Use in Concrete.”
23. ASTM C 989, “Standard Specification for Ground Granulated Blast-Furnace Slag for Use in Concrete and Mortars.”
24. ASTM C 1218, “Standard Test Method for Water Soluble Chloride Ion in Mortar and Concrete.”
25. ASTM C 1315, “Standard Specification for Liquid Membrane-Forming Compounds Having Special Properties for Curing and Sealing Concrete.”
26. ASTM C 1611/C 1611M, “Standard Test Method for Slump Flow of SelfConsolidating Concrete.” PART 2 - PRODUCTS
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2.1 FORMWORK
A. Furnish formwork and form accessories according to ACI 301, ACI 347, and ACI 347.2.
2.2 STEEL REINFORCEMENT
A. Epoxy-coated Reinforcing Bars: ASTM A775
B. Epoxy-Coated Welded Wire Fabric: ASTM A884, fabricated from as-drawn steel wire into flat sheets, mats only. Roll stock prohibited.
C. Provide bar supports according to CRSI’s “Manual of Standard Practice.” Use all-plastic bar supports when in contact with exposed concrete surface.
2.3 CONCRETE MATERIALS
A. Ready Mixed Concrete: Obtain concrete from plant with current certification from:
1. Concrete Materials Engineering Council.
2. Massachusetts Department of Transportation.
3. National Ready Mixed Concrete Association.
4. Prestressed Concrete Institute.
B. Portland Cement: ASTM C 150, Types I or II or Type I/II.
C. Fly Ash: ASTM C618, Class C or Class F.
D. Ground-Granulated Blast Furnace Slag: ASTM C989, Gr. 100 or higher.
E. Silica Fume: ASTM C1240.
F. Normal-Weight Coarse Aggregate: ASTM C 33, Crushed and graded limestone or approved equivalent, Class 5S uniformly graded, not exceeding 3/4-inch nominal size.
No cherts, opaline or crushed hydraulic-cement concrete is permitted.
1. Combine Aggregate Gradation: Well graded from coarsest to finest with not more than 18 percent and not less than 8 percent retained on an individual sieve, except that less than 8 percent may be retained on coarsest sieve and on No. 50 sieve, and less than 8 percent may be retained on sieves finer that No. 50.
G. Normal-Weight Fine Aggregate: Natural sand conforming to ASTM C 33 and having preferred grading shown for normal weight aggregate in ACI 302.1R, Table 5.1. H. Water:
Potable and complying with ASTM C 1602.
2.4 ADMIXTURES
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A. General: Admixtures certified by manufacturer to contain no more than 0.1 percent water-soluble chloride ions by mass of cement and to be compatible with other admixtures. Do not use admixtures containing calcium chloride.
B. General: Admixtures certified by manufacturer that all admixtures used are mutually compatible.
C. Admixtures: Use admixtures according to manufacturer's written instructions.
1. Use water-reducing or high-range water reducing admixture in concrete, as required, for placement and workability.
2. Use water-reducing and retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.
3. Use high-range water-reducing admixture in pumped concrete, concrete for heavyuse industrial slabs, fiber reinforced concrete, and parking structure slabs, concrete required to be watertight, and concrete with a water-cementitious materials ratio below 0.45.
4. Use non-corrosive accelerator for all concrete, less than 8 inches thick, placed at air temperatures below 50 degrees Fahrenheit.
5. Use high range water reducing admixture and viscosity modifying admixture, where required, in Self-Consolidating Concrete (SCC).
6. Use corrosion-inhibiting admixture in parking structure slabs and other areas noted on drawings.
D. Normal Water-Reducing Admixture: ASTM C 494, Type A.
1. Products: Subject to compliance with requirements, provide one of following:
a. “Eucon Series,” Euclid Chemical Co.
b. “WRDA Series,” W.R. Grace & Co.
c. “Master Pozzolith Series,” or “Master PolyHeed Series,” BASF Corporation.
d. “Plastocrete Series”, Sika Corporation.
e. “OptiFlo Series” or “EcoFlo Series,” Premiere Concrete Admixtures. f. “Polychem Series” or “KB Series,” General Resource Technology. g. “LC-400 Series” or “LC-500 Series,” Russ Tech Admixtures, Inc. E.
Mid-Range Water-Reducing Admixture: ASTM C 494, Type A.
1. Subject to compliance with requirements, provide one of following:
a. “Eucon MR” or “Eucon X-15 and X-20,” Euclid Chemical Co. b. “Daracem Series” or “MIRA Series,” W.R. Grace & Co.
c. “Master Polyheed Series,” BASF Corporation.
d. “Sikaplast Series” or “Plastocrete Series”, Sika Corporation. e. “Polychem 1000” or “KB Series,” General Resource Technology. f. “Finishease-NC,” Russ Tech Admixtures, Inc.
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g. “OptiFlo Series” or “EcoFlo Series,” Premiere Concrete Admixtures.
F. High-Range, Water-Reducing Admixture (Superplasticizer): ASTM C 494, Type F.
1. Products: Subject to compliance with requirements, provide one of following:
a. “Eucon 37” or “Eucon SP-Series” or “Plastol Series,” Euclid Chemical Co. b. “Daracem Series” or “ADVA Series,” W.R. Grace & Co.
c. “Master Rheobuild 1000”, “PS 1466” or “Master Glenium Series,” BASF Corporation.
d. “Sikament Series” or “Sika ViscoCrete Series,” Sika Corporation. e. “Melchem Series,” General Resource Technology.
f. “Superflo 443” or “Superflo 2000 Series,” Russ Tech Admixtures, Inc. g. “EcoFlo Series” or “UltraFlo Series,” Premiere Concrete Admixtures.
G. Water-Reducing and Retarding Admixture: ASTM C 494, Type B or D.
1. Products: Subject to compliance with requirements, provide one of following:
a. “Eucon Retarder-75”, “Eucon DS” or “Eucon Stasis.” Euclid Chemical Co. b. “Daratard-17” or “Recover,” W.R. Grace & Co.
c. “MasterSet R Series” or “MasterSet Delvo Series,” BASF Corporation. d. “Sikatard Series,” or “Plastiment Series” or “Plastocrete Series,” Sika Corporation.
e. “Polychem R,” General Resource Technology.
f. “LC-400 Series” or “LC-500 Series,” Russ Tech Admixtures, Inc. g. “OptiFlo Series,” Premiere Concrete Admixtures. H. Air Entraining Admixture: ASTM C260.
1. Products: Subject to compliance with requirements, provide one of following:
a. “Air-Mix,” “Eucon Air-Series” or “AEA-92,” Euclid Chemical Co. b. “Daravair Series” or “Darex Series,” W.R. Grace & Co. c. “Master Air AE90”, or Master Air AE 200”, or “Master Air VR10,” BASF Corporation.
d. “Sika AEA Series,” or “Sika AIR Series,” Sika Corporation. e. “ConAir Series,” Premiere Concrete Admixtures.
f. Polychem “VR” or “VRC” or “Polychem AE,” General Resource Technology. g. “RSA-10,” Russ Tech Admixtures, Inc.
I. Non-Chloride, Non-Corrosive Water-Reducing, Accelerating Admixture: ASTM C 494, Type C or E.
1. Products: Subject to compliance with requirements, provide one of following:
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a. “Eucon AcN-Series,” “Accelguard 80,” “Accelguard NCA,” or “Accelguard 90,” by Euclid Chemical Company.
b. “DCI,” “PolaraSet,” “Lubricon NCA,” “Daraset” or “Gilco,” by W.R. Grace & Co.
c. “MasterSet FP 20” or “MasterSet AC 534,” by BASF Corporation. d. “Sika Set NC,” “Plastocrete 161FL”, or “Sika Rapid-1,” by Sika Corporation. e. “Catexol 2000 RHE,” by Axim Concrete Technologies.
f. “Polychem NCA” or “Polychem Super Set,” General Resource Technology. g. “LCNC-166,” Russ Tech Admixtures, Inc.
J. Corrosion Inhibiting Admixture shall be capable of forming a protective barrier and minimizing chloride reactions with steel reinforcement in concrete.
1. Products: Subject to compliance with requirements, provide one of the following:
a. “Eucon CIA” or “Eucon BCN,” Euclid Chemical Company. b. “DCI” or “DCI-S,” W.R. Grace.
c. “MasterLife CI 30,” BASF Corporation.
d. “Sika CNI,” Sika Corporation.
e. “Catexol 1000 CN-CI,” Axim Concrete Technologies.
f. “Polychem CI,” General Resource Technology.
g. “Russ Tech RCI,” Russ Tech Admixtures, Inc.
2. Add at rate of 3 gal/cu yd. of concrete, which shall inhibit corrosion to 9.9 lb of chloride ions per cu. yd. of concrete. Calcium Nitrite based corrosion inhibitor shall have a concentration of 30 percent, plus or minus 2 percent of solids content.
2.5 CURING MATERIALS
A. Evaporation Retarder: Waterborne, monomolecular film forming, manufactured for application to fresh concrete.
1. Evaporation Retarder:
a. AquaFilm J74 by Dayton Superior Corporation, Miamisburg, OH b. Eucobar; Euclid Chemical Co.
c. E-Con; L&M Construction Chemicals, Inc.
d. MasterKure ER 50; BASF Corporation.
e. SikaFilm; Sika Corporation.
f. Sure-Film (J-74); Dayton Superior Corporation.
g. “EVRT”, Russ Tech Admixtures, Inc.
h. “Barrier,” Premiere Concrete Solutions.
B. Absorptive Cover: AASHTO M 182, Class 2, burlap cloth made from jute or kenaf, weighing approximately 9 oz./sq. yd. (305 g/sq. m) dry. Materials must be free of harmful substances, such as sugar or fertilizer, or substances that may discolor the concrete. To
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remove soluble substances, burlap should be thoroughly rinsed in water before placing it on the concrete.
C. Moisture-Retaining Cover: ASTM C 171, polyethylene film or white burlap-polyethylene sheet.
D. Water: Potable.
2.6 CONCRETE MIXTURES
A. Proportion mixtures determined by either laboratory trial mix or field test data bases, as follows:
1. Proportion normal-weight concrete according to ACI 211.1 and ACI 301.
2. Provide different mixtures as the season warrants, as well as each type and strength of concrete or for different placing methods.
B. Use a qualified independent testing agency for preparing and reporting proposed Mixture Proportions for the laboratory trial mix basis.
C. Requirements for normal-weight concrete mix are shown on Drawings:
1. Compressive strength
2. Slump
3. Water-cementitious materials ratio
4. Air content
D. Supplementary cementitious materials: For concrete exposed to deicers, limit percentage, by weight, of cementitious materials according to ACI 318 requirements. E. Air Entrainment:
1. See General Notes on Drawings for total average air content (percent by volume).
2. Average air content shall exceed value stated in General Notes on Drawings.
3. Permissible variation for any one test result from specified average total air content: plus or minus 1.5 percent unless noted otherwise on General Notes on Drawings.
4. Hardened concrete shall have an air void spacing factor of 0.0080 in. maximum.
Specific surface (surface area of air voids) shall be 600 in2 per cu in. of air-void volume, or greater. Concrete mixes not meeting these values as determined by ASTM C 457 may require adjustments unless accepted in writing by Engineer.” F.
Chloride Ion Content of Mixture:
1. Water soluble chloride ion content of concrete shall not exceed 0.06 percent by weight of cement for pre-stressed concrete and 0.15 percent for reinforced concrete. (ACI 318 Chapter 4 Table 4.4.1“Maximum Chloride Ion Content for Corrosion Protection of Reinforcement”) Testing procedure to determine chloride ion content shall conform to ASTM C 1218.
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2. Concrete chloride ion content shall be determined by Testing Agency prior to placement. Cast samples from current production of concrete mix proposed for superstructure.
3. Concrete not meeting the requirements of paragraph “Water soluble chloride ion content of concrete…” above, shall contain appropriate amount of calcium nitrite.
Concrete supplier shall provide laboratory test results showing the amount of excess chloride ion content in the concrete mixture contributed by the aggregates.
For each pound of chloride ion in excess of the amount allowed, mix shall contain calcium nitrite (30 percent, plus or minus 2 percent, solids content) on one-to-one basis (one gallon of calcium nitrite for one lb. of excess chloride ion). Calcium nitrite used to offset chloride ions is in addition to calcium nitrite used as a corrosion inhibitor. Maximum of 1.5 lb. of chloride ion per cubic yard may be offset in this manner.
G. Admixtures: Use admixtures according to manufacturer’s written instructions.
1. Consider using water-reducing admixture or high-range water-reducing admixture (Superplasticizers), OR admixtures that achieve self-consolidating concrete, as required, for placement, workability, finishing and when required, increased flowability.
2. Consider using water-reducing and retarding admixture when required by high temperatures, low humidity, or other adverse placement conditions.
3. Use high range water-reducing admixture in pumped concrete, concrete for parking structure slabs, concrete required to be watertight, and concrete with a water-cementitious materials ratio of 0.45 or less. Use normal or mid-range water reducing admixture for concrete with water-cementitious materials ratio greater than 0.45.
4. Use corrosion-inhibiting admixture in concrete mixes where indicated.
H. When concrete mixture contains calcium nitrite admixture, (or other ionic salts that affect the chloride permeability test), perform rapid chloride permeability test for submitted mixture and for control sample. Control sample shall have the same mixture and watercementitious materials ratio as submitted mixture, except calcium nitrite admixture shall not be used.
I. Slump (ACI 301, Part 4 header “Slump”):
1. Maximum slump for concrete is indicated on Drawings. Where field conditions require slump to exceed that shown, increased slump shall be obtained by use of high range water reducers (superplasticizers) only, and Contractor shall obtain written acceptance from Engineer who may require an adjustment to mix.
2. All concrete containing high-range water-reducing admixture (superplasticizer) shall have a verified initial slump of 2– 3 in. Final slump after the addition of the superplasticizer shall be 6–9 in. as required by the contractor to properly place the concrete. Before permission for plant addition of superplasticizer to be granted by Engineer, fulfill following requirements:
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a. Submit letter from testing laboratory which developed original mixture proportions, for each super plasticized mixture, certifying volume of mix water which will produce specified slump and water/cement ratio, taking into account aggregate moisture content.
b. Submit plant computer printout of mixture ingredients for each truckload of super plasticized concrete with delivery of that truckload. Mix water volume greater than that certified shall be cause for concrete rejection. c. Over-retarding or crusting of flatwork surface: cause for concrete rejection. d. Segregation or rapid slump loss (superplasticizer life) due to incompatibility or under-dosing: cause for concrete rejection.
J. Engineer’s acceptance of mixture proportions shall not relieve Contractor from responsibility for any variation from requirements of Contract Documents unless Contractor has in writing called Engineer’s attention to each such variation at time of submission and Engineer has given written approval of each such variation.
K. Adjustment to Concrete Mixtures: Adjustments to mixture proportions may be requested by Contractor when characteristics of materials, job conditions, weather, test results, or other circumstances warrant, as accepted by Engineer. Laboratory test data for revised mixture and strength results shall be submitted to and accepted by Engineer before using in work.
2.7 CONCRETE MIXING
A. Ready-Mixed Concrete: Measure, batch, mix, and deliver concrete according to ASTM C 94 and ASTM C 1116, and furnish batch plant-printed ticket information at delivery to site.
1. When air temperature is between 85 and 90 deg F, reduce mixing and delivery time from 1-1/2 hours to 75 minutes; when air temperature is above 90 deg F, reduce mixing and delivery time to 60 minutes.
B. Provide plant-printed batch ticket for each batch discharged and used in work, indicating project identification name and number, date, mixture identification number, date, time of batching, mixing time, quantity and details of materials, amount of water introduced and water permitted by plant to be added, if any.
C. Project-Site Mixing: Measure, batch, and mix concrete materials and concrete according to ASTM C 94. Mix concrete materials in appropriate drum-type batch machine mixer.
1. For mixer capacity of 1 cu. yd. (0.76 cu. m) or smaller, continue mixing at least one and one-half minutes, but not more than five minutes after ingredients are in mixer, before any part of batch is released.
2. For mixer capacity larger than 1 cu. yd. (0.76 cu. m), increase mixing time by 15 seconds for each additional 1 cu. yd. (0.76 cu. m).
3. Provide batch ticket for each batch discharged and used in the Work, indicating Project identification name and number, date, mix type, mix time, quantity, and amount of water added. Record approximate location of final deposit in structure.
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2.8 MATERIAL ACCESSORIES
A. Extended Open Time Epoxy Bonding Agent: Three component, water based, epoxy modified portland cement bonding agent and corrosion inhibitor coating providing the recommended Manufacturer’s open time in which to apply repair mortar. Product shall be capable of achieving bond strength of 2,700 psi per ASTM C 882.
1. Acceptable materials for this Work are:
a. “Duralprep A.C.” by The Euclid Chemical Company, Cleveland, OH. b. “Sika Armatec 110 EpoCem”, by Sika Corporation, Lyndhurst, NJ.
B. Epoxy Adhesive: 2 or 3 component, 100 percent solids, 100 percent reactive compound suitable for use on dry or damp surfaces. Product shall be capable of achieving bond strength of 1,800 psi per ASTM C 882.
1. Acceptable materials for this Work are:
a. “MasterEmaco P 124” or “MasterEmaco ADH 326,” by Master Builders Solutions
b. “Kemko 001 or 008”, by ChemCo Systems, Inc., Redwood City, CA. c. “Dural #452 and Dural Series”, by The Euclid Chemical Company, Cleveland, OH.
d. Sikadur 32 Hi-Mod LPL”, by Sika Corporation, Lyndhurst, NJ.
C. Epoxy Coating for Existing Exposed Non-prestressed Steel Reinforcement or Welded Wire Reinforcement:
1. Provide one of following epoxy coatings:
a. “Sikadur 32 Hi-Mod,” Sika Chemical Corp.
b. “MasterEmaco ADH 326,” Master Builders Solutions
c. “Scotchkote 413 PC,” 3M Company.
d. “Dural 452 MV,” The Euclid Chemical Company.
e. “Resi-Bond (J-58),” Dayton Superior Corporation. D. For mechanical tension splices of reinforcement:
1. All splices to develop 125 percent of specified yield strength of bars, or of smaller bar in transition splices. Acceptable products:
a. Bar-Lock Rebar Coupler, by Dayton Superior.
b. Bar-Grip or Grip-Twist, by Barsplice Products, Inc.
c. Extender HRC 500 Series Coupler, by Headed Reinforcement Corp. d. Splice Sleeve, by NMB.
e. LENTON Splices, by Erico.
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E. Compression splices: Mechanically coupled splices in accordance with ACI 318, Chapter 12.
F. Joint Fillers
1. Joint filler in slabs and curbs per ASTM D1751 Asphalt impregnated fiber board; as shown on Drawings. Acceptable products as follows:
a. “Flexcell,” Knight-Celotex Corp.
b. “Fibre Expansion Joint,” W.R. Meadows, Inc.
2. Joint filler used vertically to isolate walls from columns or other walls: White molded polystyrene bead board type.
3. Joint cover used to bridge gap between columns and grade walls, retaining walls, or basement walls: Minimum width: Gap width plus 4 in. For gaps over 3 in. wide, protect cover with protection board sized to span gap satisfactorily. Acceptable products:
a. “Sealtight Premoulded Membrane Vapor Seal,” W.R. Meadows, Inc., Elgin, Illinois.
b. “Sealtight Melgard,” W.R. Meadows, Inc., Elgin, Illinois and shall be applied according to manufacturer’s instructions.
2.9 TOOLS
A. Slab Jointing
1. Concrete groovers: For tooled joints in concrete:
a. For concrete not exceeding 4 in. thickness, use groover with 1 in. deep v-cut bit, 0.5 in. surface width and 3/16 in. to 1/4 in. edge radius. b. For concrete exceeding 4 in. thickness, use groover with 1.5 in. deep v-cut bit, 0.5 in. surface width and 3/16 in. to 1/4 in. edge radius.
2. Saw Cut Joints:
a. Acceptable tool: “Soff-Cut Saw Model 310” or “Model G2000,” Soff-Cut International, Corona, CA.
1) Cut joint as soon as concrete will support weight of operator and saw without deforming.
2) Joint shall be 1 in. deep for concrete thickness of 4 in. or less. Joint shall be 1.5 in. deep for concrete exceeding 4 in. thickness. Do not cut reinforcement.
3) Extend joint to adjacent vertical surface within 30 minutes of cutting. 4) Retool or grind saw cut joint before installing sealant to provide equivalent dimensions, shape and volume as joint obtained by tooled joint. Surface width shall be 0.5 in. with 3/16 to 1/4 in. edge radius.
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B. All joints subject to acceptance by sealant installer. Concrete contractor to rework rejected joints until acceptable to sealant installer.
PART 3 - EXECUTION
3.1 PRECONSTRUCTION MEETING
A. Conduct a preconstruction meeting addressing the concrete preparation, installation, protection, quality control, and acceptance of Work.
3.2 FORMWORK
A. Design, construct, erect, shore, brace, and maintain formwork according to ACI 301 and ACI 347.
3.3 STEEL REINFORCEMENT
A. Comply with CRSI's "Manual of Standard Practice" for fabricating, placing, and supporting reinforcement.
3.4 JOINTS
A. General: Construct joints true to line with faces perpendicular to surface plane of concrete.
B. Construction Joints: Locate and install so as not to impair strength or appearance of concrete, at locations indicated or as approved by Engineer.
C. Isolation Joints: Install joint-filler strips at junctions with slabs-on-grade and vertical surfaces, such as column pedestals, foundation walls, grade beams, and other locations, as indicated.
1. Extend joint filler full width and depth of joint, terminating flush with finished concrete surface, unless otherwise indicated.
3.5 CONCRETE PLACEMENT
A. Comply with recommendations in ACI 304R for measuring, mixing, transporting, and placing concrete.
B. Do not add water to concrete during delivery, at Project site, or during placement.
C. Consolidate concrete with mechanical vibrating equipment.
D. Cold Weather Placement: Comply with ACI 306.1.
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E. Hot Weather Placement: Comply with ACI 305 R.
3.6 FINISHING FORMED SURFACE.
A. Rough-Formed Finish: As-cast concrete texture imparted by form-facing material with tie holes and defective areas repaired and patched, and fins and other projections exceeding 1/4 inch (6 mm) in height rubbed down or chipped off.
1. Apply to concrete surfaces not exposed to public view.
B. Related Unformed Surfaces: At tops of walls, horizontal offsets, and similar unformed surfaces adjacent to formed surfaces, strike off smooth and finish with a texture matching adjacent formed surfaces. Continue final surface treatment of formed surfaces uniformly across adjacent unformed surfaces, unless otherwise indicated.
3.7 FINISHING FLOORS AND SLABS
A. Flatwork in Horizontal Areas (BROOM Finish, ACI 301, Section 5 header “Broom or Belt Finish”:
1. Bullfloat immediately after screeding. Complete before any excess moisture or bleed water is present on surface (ACI 302.1R, Article 8.3.3). The use of power trowels is discouraged; however, if they are used the following applies:
a. Use minimal passes so as to not overwork the concrete. b. At the contractor’s expense a petrographic analysis will be required in each area where a power trowel is used to verify the air content at the slab surface is within specified limits.
2. After excess moisture or bleed water has disappeared and concrete has stiffened sufficiently to allow operation, give slab surfaces coarse transverse scored texture by drawing broom across surface. Texture shall be as accepted by Engineer from sample panels.
3. Finish tolerance: ACI 301, Paragraph 5.3.4.2 and ACI 117, paragraph 4.5.7: The gap at any point between the straightedge and the floor (and between the high spots) shall not exceed 0.5 in. In addition, floor surface shall not vary more than plus or minus 0.75 in. from elevation noted on Drawings anywhere on floor surface.
4. Before installation of flatwork and after submittal, review, and approval of concrete mixture proportions, Contractor shall fabricate two acceptable test panels simulating finishing techniques and final appearance to be expected and used on Project. Test panels shall be minimum of 4 ft. by 4 ft. in area and shall be reinforced and cast to thickness of typical parking and drive area wearing surface in Project. (Maximum thickness of test panels need not exceed 6 in.) Contractor shall finish panels following requirements of paragraphs above. Finished panels (one or both) may be rejected by Engineer, in which case Contractor shall repeat procedure on rejected panel(s) until Engineer acceptance is obtained. Accepted test panels shall be cured in accordance with Specifications and may be incorporated into Project.
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Accepted test panels shall serve as basis for acceptance/rejection of final finished surfaces of all flatwork.
5. Finish all concrete slabs to proper elevations to ensure that all surface moisture will drain freely to floor drains, and that no puddle areas exist. Contractor shall bear cost of any corrections to provide for positive drainage. B. Flatwork subject to pedestrian traffic:
1. Concrete surfaces at all walking areas subject to pedestrian traffic shall provide a smooth, slip resistant walking surface for pedestrians with these minimum requirements:
a. Shall provide walking surfaces in accordance with ASTM – F 1637 Standard Practice for Safe Walking Surfaces and “Americans with Disabilities Act (ADA), Accessibility Guidelines (ADAAG)”.
b. Adjoining walkway surfaces shall be flush and meet the following minimum requirements:
1) Changes in level of less than ¼ inch in height may be without edge treatment as shown in ADA Figure 303.2 and on the Drawings. 2) Changes in Level between ¼ inch and ½ inch height shall be beveled with a slope no greater than 1:2 as shown in ADA Figure 303.3 and on the Drawings.
3) Changes in level greater than ½ inch in height are not permitted unless they can be transitioned by means of a ramp with minimum requirements shown on the Drawings.
4) Openings in floor or ground surfaces shall not allow passage of a sphere more than ½ inch diameter except as allowed for elevators and platform lifts as shown in ADA Figure 302.3 and on the Drawings. c. Walkway surfaces shall provide a slip resistant surface. 1) Concrete surfaces shall be toweled and finished to provide a slip resistant finish.
2) Contractor shall provide sample area with slip resistant surface finish. 3) Static coefficient of friction for walking surfaces shall be measured on a dry surface by the NBS – Brungraber machine using a silastic sensor shoe and shall be 0.6 or larger for a level surface and 0.8 or larger for ramps.
3.8 TOLERANCES
A. Comply with ACI 117, "Specifications for Tolerances for Concrete Construction and Materials."
3.9 CONCRETE PROTECTION AND CURING
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A. Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and ACI 305R for hotweather protection during placement. Keep concrete continually moist prior to final curing by evaporation retarder, misting, sprinkling, or using absorptive mat or fabric covering kept continually moist.
B. Evaporation Retarder: Apply evaporation retarder to unformed concrete surfaces if hot, dry, or windy conditions cause moisture loss approaching 0.1 lb/sq. ft. x h before and during finishing operations. Apply material according to manufacturer’s written instructions one or more times after placement, screeding and bull floating concrete, but prior to float finishing. Repeated applications are prohibited after float finishing has begun.
1. Acceptable evaporation retarder materials for this Work are:
a. “Cimfilm”, by Axim Concrete Technologies.
b. “MasterKure ER 50,” by BASF Corporation.
c. “Aquafilm”, by Conspec Marketing & Manufacturing Co., Inc. d. “Sure-Film (J-74)’, by Dayton Superior Corporation.
e. “Eucobar”, or “Tamms Surface Retarder”, by The Euclid Chemical Company, Cleveland, OH.
f. “E-Con”, by L&M Construction Chemicals, Inc.
g. “EVRT”, by Russ Tech Admixtures, Inc.
h. “SikaFilm”, by Sika Corporation, Lyndhurst, NJ.
C. Immediate upon conclusion of finishing operation cure concrete in accordance with ACI 308 for duration of at least seven days by moisture curing or moisture retaining covering.
Provide additional curing immediately following initial curing and before concrete has dried.
1. Continue method used in initial curing.
2. Material conforming to ASTM C171.
3. Other moisture retaining covering as approved by Engineer/Architect.
4. During initial and final curing periods maintain concrete above 50°.
5. Prevent rapid drying at end of curing period.
D. Concrete surfaces to receive slab coatings or penetrating sealers shall be cured with moisture curing or moisture-retaining cover.
E. Curing Methods: Cure formed and non-formed concrete moisture curing, moistureretaining-cover curing, curing compound, or a combination of these as follows:
1. Moisture Curing: Keep surfaces continuously moist for not less than seven days with the following materials:
a. Water.
b. Continuous water-fog spray.
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c. Absorptive cover, water saturated and kept continuously wet. Cover concrete surfaces and edges with 12-inch (300-mm) lap over adjacent absorptive covers.
2. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moistureretaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches (300 mm), and sealed by waterproof tape or adhesive.
Immediately repair any holes or tears during curing period using cover material and waterproof tape.
3.10 FIELD QUALITY CONTROL
A. Testing Agency: Contractor shall engage a qualified independent testing and inspecting agency acceptable to the Engineer to sample materials, perform tests, and submit test reports during concrete placement according to requirements specified in this Article.
Perform tests according to ACI 301.
B. Sample concrete in accordance with ASTM C 172.
C. Epoxy Coated Material:
1. Perform field inspection of installed epoxy coated material under provisions of Division 1 Section “Quality Control.”
2. Repair all epoxy coating damage due to fabrication and handling, using a mirror to find any damage on undersides.
3. Repair all damaged areas using manufacturer’s recommended patching material and method.
4. No damaged area shall be left uncorrected.
5. Epoxy coated welded wire reinforcement with consistent visible holes in epoxy coating (particularly at mesh intersections): unacceptable. Remove from project.
D. Temperature:
1. Test temperature of concrete in accordance with ASTM C 1064/C 1064M and ACI 301 each time cylinders are taken or as directed by the Engineer. E. Slump Test:
1. Conduct one slump test in accordance with ASTM C 143/C 143M per truck load of ready-mixed concrete delivered to Project at truck for superstructure concrete.
2. Conduct slump test in accordance with ASTM C143/C 143M and ACI 301 for foundation concrete.
3. When high-range water-reducing admixture (superplasticizer) is used, initial slump must be verified by Testing Agency. F. Water Content:
1. Water content or water-cementitious materials ratio shall be verified by use of the Microwave Test in accordance with AASHTO T 318.
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2. Conduct test each time test cylinders are taken and as directed by Engineer. G. Air Content:
1. General Contractor: Coordinate all parties involved to produce conforming concrete.
2. Sample freshly-mixed concrete at point of final placement in accordance with ASTM C 172 and conduct one air content test in accordance with ASTM C 231 or ASTM C 173 for each truck of ready-mix, air entrained concrete delivered to Project.
H. Concrete Compressive Strength:
1. Make test cylinders in accordance with ASTM C 31 and test in accordance with ASTM C 39 as follows:
a. Take minimum of three sets of cylinders for each 100 cu yds. or fraction thereof, of each Mixture of concrete placed in any one day. b. A set of cylinders shall be comprised of two 6 inch by 12 inch cylinders or three 4 inch by 8 inch cylinders.
c. At Contractor’s option and cost, cylinders may be taken to verify concrete strength prior to form removal.
d. Testing Agency: Provide and maintain site cure box for cylinders.
2. Sample plastic concrete for testing at point of final placement, in accordance with ASTM C 172. Engineer will select sampling locations which may include points where plastic concrete has already been screeded and floated. Sample concrete for test cylinders to be used to verify concrete compressive strength for posttensioning as near as possible to actual tendon anchorages.
3. Cover specimens properly, immediately after finishing. Protect outside surfaces of cardboard molds, if used, from contact with sources of water for first 24 hours after molding.
4. Cure test cylinders per ASTM C 31 as follows:
a. To verify compressive strength prior to form removal or for additional test cylinders required due to cold weather concreting conditions:
1) Store test specimens on structure as near to point of sampling as possible and protect from elements in same manner as that given to portion of structure as specimen represents.
2) Transport to test laboratory no more than 4 hours before testing.
Remove molds from specimens immediately before testing. b. To verify 28-day compressive strength:
1) During first 24 hours after molding, store test specimens under conditions that maintain temperature immediately adjacent to
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specimens in range of 60 to 80 degrees F. and prevent loss of moisture from specimens.
2) Remove test specimens from molds at end of 20 +/- 4 hours and store in moist condition at 73.4 +/- 3 degrees F. until moment of test.
Laboratory moist rooms shall meet requirements of ASTM C 511.
5. Compression test for non-prestressed concrete:
a. Test one set of cylinders at 7 days.
b. Test one set of cylinders at 28 days.
c. Test one set of cylinders at 56 days for concrete strength requirement of 7000 psi or greater.
6. Hold one set of cylinders in reserve for use as Engineer directs.
7. Unless notified by Engineer, reserve cylinders may be discarded without being tested after 56 days.
I. Report all nonconforming test results to Engineer and others on distribution lists via fax or email. Follow up with colored paper copies to flag the non-conformances.
J. Monthly, submit a graph showing distribution of compressive strength test results and air content test results. Include microwave test results for concretes with a water cementitious ratio less than or equal to 0.40 concrete.
3.11 EVALUATION AND ACCEPTANCE OF WORK
A. Acceptance of Repairs (ACI 301):
1. Acceptance of completed concrete Work will be according to provisions of ACI 301.
2. Repair areas shall be sounded by Engineer and Contractor with hammer or rod after curing for 72 hours. Contractor shall repair all hollowness detected by removing and replacing patch or affected area at no extra cost to Owner.
3. If shrinkage cracks appear in repair area when initial curing period is completed, repair shall be considered defective, and it shall be removed and replaced by Contractor at no extra cost.
3.12 CONCRETE MIX DESIGN FORM
A. See appendix to this Section for concrete mix design form.
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APPENDIX: Concrete Mix Design Submittal Form
I. GENERAL INFORMATION
Project: City:
General Contractor:
Concrete Supplier:
Mixture Identification No.: Concrete Grade:
Use (Describe)1:
1 example: floor slabs, topping, columns, etc.
II. MIXTURE PROPORTIONING DATA
Proportioning Based on (Check only one):
Standard Deviation Analysis: _____
or Trial Mix Test Data: _____
Mixture
Characteristics:
(see Mixtures in
Drawings
General Notes)
Density: pcf; Air: % specified
Slump in. before superplasticizer
Slump in. after superplasticizer
Or for SCC: Spread in.
Strength: psi (28 day);
WALKER SUBMITTAL STAMP
CONTRACTOR SUBMITTAL STAMP
III. MATERIALS
Aggregates: (size; type; source; gradation report; specification)
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Coarse:
Fine:
Other Materials: Type Product-Manufacturer
(Source)
Cement:
Flyash, slag, or other pozzolan:
Silica Fume
Processed Ultra Fine Fly Ash
HRM
Air Entraining Agent:
Water Reducer
High Range Water Reducer
(HRWR / superplasticizer)
Non-Corrosive Accelerator
Retarder
Fibers
Other(s):
IV. MIX PROPORTIONS (
2)
WEIGHT (lbs.) (per yd3) ABSOLUTE VOL. (cu. ft.) (per
yd3)
Cement:
Fine Aggregate: (3)
Coarse Aggregate: (3)
Flyash, slag, or other pozzolan:
Silica Fume
Processes Ultra-Fine Fly Ash
HRM
Water: (.4) (gals. & lbs.)
Entrained Air: (oz.)
Fibers:
(Other) :
TOTALS:
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NOTES:
(2) Mix proportions indicated shall be based on data used in section VII or IX. (3) Based on saturated surface dry weights of aggregates. (4) Includes ALL WATER, including added water and free water contained on aggregates.
V. RATIOS VI. SPECIFIC GRAVITIES
Water(1) lb.
=
lb.
=
Fine Aggregate:
Cementitious Material(2) Coarse Aggregate:
Fine Agg. lb.
=
lb.
=
Total Agg.
NOTES:
(1) Includes ALL water, including added water and free water contained on aggregates. (2) Cementitious materials include cement, fly ash, slag, silica fume, HRM, Processed UltraFine Fly Ash or other pozzolan.
VII. ADMIXTURES
Air Entraining Agent (A.E.A.): oz. per yd3 oz. per 100# cement Superplasticizer oz. per yd3 oz. per 100# cement
Water Reducer oz. per yd3 oz. per 100# cement
Non-corrosive Accelerator oz. per yd3 oz. per 100# cement Retarder oz. per yd3 oz. per 100# cement
Other oz. per yd3 oz. per 100# cement
Lithium Nitrate gal. per yd3
VIII. STANDARD DEVIATION ANALYSIS: Yes N/A
(Complete this section only if Mixture was developed using standard deviation analysis of previous project test results. If other method was used, check "N/A".)
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Number of Tests Evaluated:
(One test is average of two cylinder breaks)
Attach copy of test data considered:
Standard Deviation:
(Single Group)
Standard Deviation:
(Two Groups)
Required average compressive strength: f'cr = f'c + psi NOTE:
Mixture shall be proportioned in accordance with ACI 301 section 4.2.3 to achieve average compressive strength f'cr equal to or greater than the larger of one of the following equations:
(4.-3) f'cr = f'c + 1.34ks [s= calculated standard deviation] or
(4-4) f'cr = f'c + 2.33ks – 500 or
(4-5) f’cr = 0.9f’c + 2.33ks (for f’c> 5,000 psi)
(Refer to ACI 301 for required average when data are not available to establish standard deviation. For post-tensioning projects, see also special requirements for strength required to apply initial post-tensioning.)
MIXTURE CHARACTERISTICS (As shown on drawings)
Slump = in. Air Content = %
Unit Wet Wt. = pcf Unit Dry Wt. = pcf
MIXTURE CHARACTERISTICS (Based on proportioning data)
Initial Slump = in. Final Slump in.
Unit Wet Wt.= pcf. Unit Dry Wt. = pcf.
Air Content = %
IX. TRIAL MIXTURE TEST DATA: Yes N/A
(Complete this section only if Mixture Proportion is based on data from trial test mixture(s) batched by testing agency or Contractor. If other method was used, check "N/A".) Age (days) Mix #1
(comp. str.)
Mix #2
(comp. str.)
Mix #3
(comp. str.)
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7 7
28 28
28 28 day average
compressive strength,
psi
NOTE:
Mixture shall be proportioned in accordance with ACI 301 section 4.2.3 to achieve average compressive strength f'cr equal to or greater than the larger of one of the following equations:
(Less than 3000) f'cr = f'c + 1000
or
(3000 to 5000) f'cr = f'c + 1200 or
(Over 5000) f’cr = 1.1f’c + 700
For post-tensioning projects, see also special requirements for strength required to apply initial post-tensioning.
MIXTURE CHARACTERISTICS (as shown on drawings)
Slump = in. Air Content = %
Unit Wet Wt. = pcf Unit Dry Wt. = pcf
MIXTURE CHARACTERISTICS (Based on proportioning data)
Initial Slump = in. Final Slump in.
Unit Wet Wt.= pcf. Unit Dry Wt. = pcf.
Air Content = %
X. OTHER TEST DATA
Water Soluble Chloride
Ion Content of mix:
%(by weight of cement) ASTM C 1218
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Hardened Air Content (per ASTM C457):
Air content: % Air void spacing Factor in. Specific surface: in2/in3 Chloride Ion Content of Concrete Mixture: ASTM C 1218
Shrinkage (Length Change, Average) per ASTM C157:
% @ 4 days % @ 7 days % @ 14 days
% @21 days % @28 days
XI. Remarks:
2024, Walker Consultants.
Ready Mix Concrete Supplier Information
Name:
Address:
Phone Number:
Date:
Main Plant Location:
Miles from Project Site:
Secondary or Backup Plant Location:
Miles from Project Site:
My signature below certifies that I have read, understood, and will comply with the requirements of this Section.
Signature
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Typed or Printed Name
REQUIRED ATTACHMENTS
Coarse aggregate grading report
Fine aggregate grading report
Concrete compressive strength data used for calculation of required average strength and for calculation of standard deviation Chloride ion data and related calculations
Admixture compatibility certification letter
Shrinkage information per ASTM C157
ASTM C 457
Alkali Content Data and Calculations
OR
ASTM C1293, ASTM C1260, ASTM C 1567 or CE CRD-C662 Test report for each aggregate
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PREPACKAGED REPAIR MORTAR 033760 - 1
SECTION 033760 – PREPACKAGED REPAIR MORTAR
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 01 Specification Sections apply to this Section.
1.2 SUMMARY
A. This Section includes the provision of all labor, materials, supervision and incidentals necessary to prepare deteriorated or damaged concrete surfaces and install prepackaged concrete repair mortar to formed horizontal, vertical and overhead surfaces to restore original surface condition and integrity.
B. Related Sections: Following Sections contain requirements that relate to this Section:
1. Division 01 Section "Submittal Procedures."
2. Division 02 Section "Work Items."
3. Division 02 Section "General Concrete Surface Preparation."
4. Division 02 Section "Surface Preparation for Patching."
5. Division 03 Section "Cast-In-Place Concrete Restoration.”
6. Division 07 Section “Concrete Joint Sealants.”
7. Division 07 Section "Traffic Coatings."
8. Division 09 Section "Pavement Marking."
1.3 QUALITY ASSURANCE
A. Work shall conform to requirements of ACI 301 as applicable except where more stringent requirements are shown on Drawings or specified in this Section. B. Testing Agency:
1. Independent testing laboratory employed by Contractor and acceptable to Engineer.
2. Accredited by AASHTO under ASTM C1077. Testing laboratory shall submit documented proof of ability to perform required tests.
C. Sampling and testing of mortar shall be performed by ACI certified Concrete Field Technicians Grade I. Certification shall be no more than three years old.
D. Testing Agency is responsible for conducting, monitoring and reporting results of all tests required under this Section. Testing Agency has authority to reject mortar not meeting
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Specifications. Testing Agency does not have the authority to accept mortar that does not meet specifications.
E. Testing Agency shall submit the following information for Field Testing of Concrete unless modified in writing by Engineer:
1. Project name and location.
2. Contractor's name.
3. Testing Agency's name, address and phone number.
4. Mortar manufacturer.
5. Date of report.
6. Testing Agency technician's name (sampling and testing).
7. Placement location within structure.
8. Weather data:
a. Air temperatures.
b. Weather.
c. Wind speed.
9. Date, time, and place of test.
10. Compressive test data:
a. Cube or cylinder number.
b. Age of sample when tested.
c. Date and time of test.
d. Compressive strength.
1.4 REFERENCES
A. "Standard Specification for Structural Concrete" (ACI 301) by American Concrete Institute, herein referred to as ACI 301, is included in total as specification for this structure except as otherwise specified herein.
B. Comply with provisions of following codes, specifications and standards except where more stringent requirements are shown on Drawings or specified herein:
1. "Building Code Requirements for Structural Concrete" (ACI 318), American Concrete Institute, herein referred to as ACI 318.
2. "Hot Weather Concreting" reported by ACI Committee 305.
3. "Cold Weather Concreting" reported by ACI Committee 306.
4. “Standard Specification for Curing Concrete” (ACI 308.1) C. Contractor shall have following ACI publications at Project construction site at all times:
1. "Standard Specifications for Structural Concrete (ACI 301) with Selected ACI and ASTM References," ACI Field Reference Manual, SP15.
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2. "Hot Weather Concreting" reported by ACI Committee 305.
3. "Cold Weather Concreting" reported by ACI Committee 306.
D. American Society for Testing and Materials (ASTM):
1. ASTM C109, "Test Method for Compressive Strength of Hydraulic Cement Mortars (Using 2-in. or 50-mm Cube Specimens)."
2. ASTM C31, “Test Method for Compressive Strength of Cylindrical Concrete Specimens.”
3. ASTM C1583, “Standard Test Method for the Tensile Strength of Concrete Surfaces and the Bond Strength or Tensile Strength of Concrete Repair and Overlay Materials by Direct Tension (Pull-off Method)”
1.5 SUBMITTALS
A. Make submittals in accordance with requirements of Division 01 and as specified in this Section.
B. Contractor: At preconstruction meeting, submit procedures for demolition, surface preparation, material batching, placement, finishing, and curing of application. Provide procedure to protect fresh patches from severe weather conditions.
C. Testing Agency: Promptly report all mortar test results to Engineer and Contractor.
Include following information:
1. See Article "Quality Assurance," paragraph "Testing Agency shall submit...."
2. Strength determined in accordance with ASTM C109.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Manufacturer: Subject to compliance with requirements, provide products of one of following, only where specifically named in product category:
1. update since SIKA bought them.
2. Euclid Chemical Corporation (Euclid), Cleveland, OH
3. King Construction Products (King), Burlington, ON 4. Mapei Corporation (MAPEI), Deerfield Beach, FL
5. Sika Corporation (Sika), Lyndhurst, NJ.
2.2 MATERIALS
A. Horizontal Repair and Form and Pour Mortar: Shall be prepackaged cementitious repair mortar capable of horizontal and form and pour partial depth applications, achieving a
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minimum 3,000 psi compressive strength at 7 days and 5,000 psi compressive strength at 28 days per ASTM C39 as certified by manufacturer with maximum lineal shrinkage of
0.10% at 28 days. Extend per manufacturer’s instructions as required for deeper placements.
1. Acceptable cementitious repair materials for this Work are as follows:
a. “MasterEmaco S440,
b. “Planitop 11,” by MAPEI.
c. “Sikacrete 211,” by Sika.
d. Other types may be used only with Engineer's approval in writing prior to bidding.
B. Rapid Strength Repair Mortar: Shall be prepackaged, cementitious repair mortar. Repair mortar shall be capable of application achieving a minimum 3,500 psi compressive strength at 1 day and 5,000 psi compressive strength at 28 days per ASTM C39 as certified by manufacturer. Extend per manufacturer’s instructions as required for deeper placements.
1. Acceptable materials for this Work are as follows:
a. “MasterEmaco T430,”
b. “Planitop 18 ES” by MAPEI.
c. “Sikaquick 1000,” by Sika.
d. Other types may be used only with Engineer's approval in writing prior to bidding.
C. Trowel Applied Repair Mortar: Shall be prepackaged, cementitious repair mortar capable of vertical/overhead application by trowel achieving a minimum 3,000 psi compressive strength at 7 days and 4,500 psi compressive strength at 28 days per ASTM C 109 as certified by manufacturer.
1. Acceptable materials for this Work are as follows:
a. “MasterEmaco N425,” .
b. “Planitop XS,” by MAPEI
c. “Sikaquick VOH,” by Sika.
d. Other types may be used only with Engineer's approval in writing prior to bidding.
D. Horizontal Topping Mortar: Shall be prepackaged cementitious repair mortar capable of horizontal partial depth applications on minimum thickness of 0.5 inches and a maximum thickness of 2 inches, achieving a minimum 3,000 psi compressive strength at 7 days and 5,000 psi compressive strength at 28 days per ASTM C109 as certified by manufacturer. The mortar is not to be extended.
1. Acceptable materials for this Work are as follows:
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a. “MasterEmaco T1061,”
b. “Planitop 15,” by MAPEI.
c. “SikaTop 111 Plus,” by Sika.
d. Other types may be used only with Engineer's approval in writing prior to bidding.
2.3 MATERIAL ACCESSORIES
A. Extended Open Time Epoxy Bonding Agent: Three component, water based, epoxy modified portland cement bonding agent and corrosion inhibitor coating providing the recommended Manufacturer’s open time in which to apply repair mortar.
1. Acceptable materials for this Work are:
a. “MasterEmaco P124,”
b. “Planibond 3C,” by MAPEI.
c. “Armatec 110 EpoCem”, by Sika.
B. Bonding Grout: Bonding grout shall consist of prepackage repair material mixed with sufficient water to form stiff slurry to achieve consistency of "pancake batter." C. Clear, Waterborne, Membrane-Forming Curing and Sealing Compound: ASTM C 1315, Type 1, Class A.
D. Floor repairs to receive a traffic bearing waterproofing membrane of penetrating PART 3 - EXECUTION
3.1 INSTALLATION
A. Epoxy Bonding Agent Extended Open Time:
1. In strict accordance with manufacturer’s recommendations, mix and apply epoxy bonding agent to all areas as indicated on Drawings.
2. Allow epoxy bonding agent to dry a minimum 2 hours, but no more than the Manufacturer’s recommended open time prior to placing repair mortar. B.
Bonding Grout:
1. Mix bonding grout and scrub into SSD repair substrate with a stiff broom to all areas as indicated on Drawings.
2. Place repair material prior to initial set of grout. If grout sets prior to placement of repair material, complete remove grout from surface and re-clean prior to proceeding with new grout placement and repair mortar.
C. Mortar Placement: Mortar materials shall be placed in strict accordance with manufacturer's instructions. Properly proportioned and mixed mortar material shall be
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placed using tools to consolidate mortar so that no voids exist within new material and continuous contact with base concrete is achieved.
D. Form and Pour Repair Mortar Placement: Mix and apply in strict accordance with manufacturer’s written instructions, to achieve a maximum 9” slump. Consolidate mortar so that no voids exist and continuous contact with base concrete is achieved.
E. Vertical and Overhead Repairs: Mortar materials shall be placed in strict accordance with manufacturer's instructions. Properly proportioned and mixed mortar material shall be placed using tools to consolidate mortar so that no voids exist within new material and continuous contact with base concrete is achieved. Supplemental wire mesh shall be required for delamination and spall repairs greater than two inches in depth. F. Finishing:
1. Apply a nonslip broom finish to top of floor patches and to exterior concrete platforms, steps, and ramps. Immediately after float finishing, slightly roughen trafficked surface by brooming with fiber-bristle broom perpendicular to main traffic route.
2. Provide a surface finish similar to adjacent surfaces for vertical and overhead partial depth repairs.
3. Finish formed surfaces similar to adjacent surfaces.
3.2 CONCRETE PROTECTION AND CURING
A. Protect freshly placed concrete from premature drying and excessive cold or hot temperatures. Comply with ACI 306.1 for cold-weather protection and ACI 305R for hotweather protection during placement. Keep concrete continually moist prior to final curing by evaporation retarder, misting, sprinkling, or using absorptive mat or fabric covering kept continually moist.
B. Immediate upon conclusion of finishing operation cure concrete in accordance with ACI 308.1 for duration of at least seven (7) days by curing methods listed below. Provide additional curing immediately following initial curing and before concrete has dried.
1. During initial and final curing periods maintain concrete above 50°.
2. Prevent rapid drying at end of curing period.
C. Concrete surfaces to receive slab coatings or penetrating sealers shall be cured with moisture curing or moisture-retaining-cover curing.
D. Curing Methods: Cure formed and non-formed concrete moisture curing, moistureretaining-cover curing, curing compound, or a combination of these as follows:
1. Moisture Curing: Keep surfaces continuously moist for not less than seven days with the following materials:
a. Water.
b. Continuous water-fog spray.
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c. Absorptive cover, water saturated and kept continuously wet. Cover concrete surfaces and edges with 12-inch (300-mm) lap over adjacent absorptive covers.
2. Moisture-Retaining-Cover Curing: Cover concrete surfaces with moistureretaining cover for curing concrete, placed in widest practicable width, with sides and ends lapped at least 12 inches, and sealed by waterproof tape or adhesive.
Immediately repair any holes or tears during curing period using cover material and waterproof tape.
3. Curing compound: Apply curing compound in accordance with manufacturer’s instructions.
3.3 FIELD QUALITY CONTROL
A. Testing Agency: Contractor shall engage a qualified independent testing and inspecting agency acceptable to the Engineer to sample materials, perform tests, and submit test reports during concrete placement according to requirements specified in this Article.
Perform tests according to ACI 301.
B. Testing Frequency: Perform one set of strength testing and one bond test for each product used for each day's work. Prepare samples in accordance with ASTM C31.
C. Compressive Strength Testing: Determine strength at 3, 7, and 28 days. Each test shall consist of two 6-inch diameter cylinders or three 4-inch diameter cylinders. Testing shall be in accordance with ASTM C39.
D. Compressive Strength Testing: Determine strength at 3, 7, and 28 days. Each test shall consist of three 2-inch cubes. Testing shall be in accordance with ASTM C109 using as placed mortar.
E. Bond Testing: Bond testing shall be performed at 7 days in accordance with ASTM C1583.
3.4 EVALUATION AND ACCEPTANCE OF WORK
A. Acceptance of Repairs (ACI 301):
1. Acceptance of completed concrete Work will be according to provisions of ACI 301.
2. Repair areas shall be sounded by Engineer and Contractor with hammer or rod after curing for 72 hours. Contractor shall repair all hollowness detected by removing and replacing patch or affected area at no extra cost to Owner.
3. If shrinkage cracks appear in repair area when initial curing period is completed, repair shall be considered defective, and it shall be removed and replaced by Contractor at no extra cost.
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4. Patches shall be considered defective if average strength does not meet minimum strength at 28 days or if average bond strength does not meet minimum requirements of 150 psi.
END OF SECTION 033760
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EPOXY INJECTION SYSTEMS 036300 - 1
SECTION 036300 - EPOXY INJECTION SYSTEMS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 01 Specification Sections apply to this Section.
1.2 SUMMARY
A. This Section includes the provision of all labor, materials, equipment, supervision and incidentals necessary to prepare cracks in structural concrete members and inject them with a 2-component, moisture-insensiteve, 100 percent solids, low-viscosity epoxy resin system.
B. Related Sections: Following Sections contain requirements that relate to this Section:
1. Division 01 Section "Submittal Procedures."
2. Division 02 Section "Work Items."
3. Division 02 Section "General Concrete Surface Preparation."
4. Division 02 Section "Surface Preparation for Patching."
1.3 QUALITY ASSURANCE
A. Testing Agency will be independent testing laboratory employed by Contractorand approved by Engineer/Architect.
B. Testing Agency is responsible for conducting, monitoring and reporting to Owner results of all field tests of epoxy injection and installation required under this Section with copy of all reports to Engineer and Contractor.
C. Submit following information for Field Testing of Epoxy Injection Installation unless modified in writing by Engineer/Architect:
1. Project name and location.
2. Contractor's name.
3. Testing Agency's name, address and phone number.
4. Epoxy material supplier.
5. Date of report.
6. Testing Agency technician's name (sampling and testing).
7. Placement location within structure.
8. Epoxy material data:
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a. Epoxy type.
b. Gel type.
c. Width of cracks injected (if applicable).
d. Crack conditions (dry or wet).
e. Injection port spacing.
f. Initial and (if different) constant injection pressures. g. Use rate of epoxy.
9. Weather data:
a. Air temperatures.
b. Weather.
c. Wind speed.
10. Field test data:
a. Date, time and place of test.
b. Thickness of epoxy in crack or void. D.
Qualifications:
1. Contractor Qualifications: Contractor shall be qualified in the field of concrete repair and protection with a minimum of 5 years experience in application of similar systems and products on projects of similar size and scope. a. Successful completion of a minimum of 3 projects of similar size and complexity to specified Work.
b. Contractor shall maintain qualified personnel who have received product training by a manufacturer’s representative.
c. Install materials in accordance with all safety and weather condtions required by the manufacturer, or as modified by applicable rules and regulations of local, state, and federal authorities having jurisdiction.
2. Manufacturer Qualifications: The manufacturer of the specified product shall be ISO 9001:2000 Certified and have in existence a recognized ongoing quality assurance program independently audited on a regular basis.The manufacturer shall have a minimum 15 years of experience in manufacturing of surface hardener.
E. Pre-Construction Meetings: Conduct Pre-Construction meeting at Project site to comply with requirements of Division 01 and as specified in this Section.
1. Schedule and convene meeting a minimum of 1 week prior to commencing Work of this Section.
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2. Review requirements for application, including surface preparation specified under other Sections, substrate condition and pretreatment, minimum curing period, forecasted weather conditions, special details, installation procedures, testing and inspection procedures, protection, and repair.
3. Discuss procedures for protecting adjacent finished Work.
1.4 REFERENCES
A. "Standard Specifications for Structural Concrete," (ACI 301) by American Concrete Institute, herein referred to as ACI 301, is included in total as specification for this structure except as otherwise specified herein.
B. Comply with provisions of following codes, specifications and standards except where more stringent requirements are shown on Drawings or specified herein:
1. "Building Code Requirements for Reinforced Concrete," (ACI 318), American Concrete Institute, herein referred to as ACI 318.
2. "Causes, Evaluation, and Repair of Cracks in Concrete Structures" (ACI 224.112), American Concrete Institute.
3. "State-of-the-Art Report on Parking Structures" (ACI 362), American Concrete Institute.
4. ”Specification for Crack Repair by Epoxy Injection” (ACI 503.7), American Concrete Institute.
5. “Guide for the Application of Epoxy and Latex Adhesives for Bonding Freshly Mixed and Hardened Concretes”, (ACI 503.6), American Concrete Institute.
6. "Standard Specification for Bonding Hardened Concrete, Steel, Wood, Brick, and Other Materials to Hardened Concrete with a Multi-Component Epoxy Adhesive" (ACI 503.1), American Concrete Institute.
7. "Guide for Repair of Concrete Bridge Superstructures" Reported by ACI Committee 546 (ACI 546.1).
C. Contractor shall have following ACI/ICRI publications at Project construction site at all times:
1. ”Specification for Crack Repair by Epoxy Injection” (ACI 503.7), American Concrete Institute.” Structural Crack Repair by Epoxy Injection”, ACI RAP Bulletin 1, American Concrete Institute.
2. "Standard Specification for Bonding Hardened Concrete, Steel, Wood, Brick, and Other Materials to Hardened Concrete with a Multi-Component Epoxy Adhesive" (ACI 503.1), American Concrete Institute.
1.5 SUBMITTALS
A. Make submittals in accordance with requirements of Division 01 and as specified in this Section.
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B. Contractor: Submit manufacturer's product data sheets, technical sheets, recommended application procedures and information on epoxy injection equipment.
C. Testing Agency: Promptly report all test results to Engineer/Architect and Contractor.
Include following information:
See Article "Quality Assurance," paragraph "Submit following information for Field Testing...."
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2. Visual examination of epoxy resin penetration.
D. See requirements of Division 01 Section, “Submittal Procedures,” Part 1 heading, “Submittal Procedures,” for limits to resubmittals.
E. See requirements of Division 01 Section, “Submittal Procedures,” Part 2 heading, “Requests for Information,” for RFI constraints.
1.6 WARRANTY
A. System manufacturer and Contractor shall furnish Owner written single source performance guarantee that epoxy resin injection system will be free of defects related to design, workmanship or material deficiency for 3-year period from date of acceptance of Work required under this Section against leakage or bond failure:
1. Any adhesive or cohesive failure.
2. Crazing or other weathering deficiency.
3. Normal abrasion or tear failure.
B. Any repair under this guarantee shall be done at no cost to Owner. Guarantee shall be provided by Contractor and manufacturer of system.
PART 2 - PRODUCTS
2.1 MATERIALS AND EQUIPMENT
A. Injection epoxy shall be one of following:
1. "MasterInject 1380" or “MasterInject 1500”
2. "Sikadur 35 Hi-Mod LV" or “Sikadur 52” as manufactured by Sika Chemical Corporation, Lyndhurst, NJ.
3. "Epoxy HP-LV" as manufactured by Hunt Process Corp-Southern, Ridgeland, MS.
4. “Pro-Poxy 50 Super LV” as manufactured by Unitex, Kansas City, MO.
5. “Eucopoxy” or “Duralcrete LV” as manufactured by The Euclid Chemical Company, Cleveland OH.
6. “Sure Inject J56 SLV” as manufactured by Dayton Superior Corp., Miamisburg OH.
7. “KonTek 11 LV” as manufactured by Contech Group, Inc. Seattle, WA.
8. “Kemko 038” as manufactured by ChemCo Systems, Inc., Redwood City, CA. B.
Epoxy gel shall be as specified by the selected injection epoxy manufacturer.
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C. Equipment:
Epoxy injection unit shall be portable and equipped with positive displacementtype pumps with interlock to provide positive ration control of epoxy injection resin components. Pumps shall be air or electric powered and shall provide in-line mixing and metering system and shall be equipped with drain-back plugs.
2. Equipment used to inject epoxy shall be capable of following:
a. Automatic proportioning of materials within mix ratio tolerances set by epoxy resin manufacturer.
b. Delivery of components, resin and hardeners, from separate reservoirs to mixing type discharge head.
c. Complete and uniform mixing of components at discharge head. d. Injection of resin system at constant pressures not to exceed 150 psi.
PART 3 - EXECUTION
3.1 PREPARATION
A. Crack Identification:
1. All cracks 0.03 in. wide or greater that are designated by Engineer/Architect, and not coincident with principal delamination, shall be injected. Cracks that occur coincident with principal delaminations shall not be injected.
2. Cracks requiring repair shall be located by Contractor at time of construction and marked with chalk.
B. Crack Preparation for Injection:
1. Surface of concrete adjacent to crack must be free of all laitance, efflorescence, dirt or foreign particles.
2. Cracks may be damp or dry as per injection material manufacturer's recommended installation procedures.
3. All cracks shall be properly sealed along their exposed length with an approved epoxy gel.
4. Epoxy injection ports shall be uniformly spaced along crack and shall be installed as recommended by system manufacturer. If concrete member being injected is exposed on both sides, provide injection ports on opposite sides at staggered intervals.
5. Apply epoxy gel around injection port to provide an adequate seal to prevent escape of injection resin from perimeter of port while under pressure.
6. Apply epoxy gel for sealing in manner that will result in minimal defacing or disorganization of concrete substrate.
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3.2 INSTALLATION
A. Epoxy Injection:
Dispense epoxy injection resin under constant pressure in accordance with manufacturer's recommended procedures or as required to achieve maximum filling and penetration of crack without inclusion of air voids in epoxy resin material.
2. Injection shall begin at lowest port and progress incrementally higher.
3. Appearance of epoxy resin at next higher port shall be considered evidence of successful crack filling.
4. If penetration of epoxy resin into cracks is not possible, notify Engineer/Architect prior to discontinuing injection procedures. If alternate injection procedures are possible, submit procedure in writing to Engineer/Architect for review.
5. Contractor shall adhere to all limitations and cautions for epoxy resin injection material as per manufacturer's current printed literature. B. Cleaning:
1. When cracks are completely filled, allow adhesive to cure for sufficient time to allow the removal of the surface seal without any draining or runback of epoxy material from the cracks.
2. Remove the surface seal material, ports, and injection adhesive runs or spills from concrete surfaces.
3. Finish the face of the crack flush to the adjacent concrete, removing any indentations or protrusions caused by the placement of entry ports.
4. Match work area to adjacent surface including any surface treatments.
3.3 FIELD QUALITY CONTROL BY TESTING AGENCY A.
Core Testing:
1. Testing Agency shall obtain 3- 2 in. minimum diameter core samples in first 100 ft of repaired cracks and 1 core for each 100 ft thereafter. Cores shall be taken after injection resin has cured for period of 7 days. Core sample shall be for full crack depth. Core locations and sizes shall be submitted to Engineer/Architect for review prior to taking core samples. Care should be taken not to damage or cut existing reinforcement (ESPECIALLY POSTTENSIONING TENDONS).
2. Core samples shall be visually examined to determine degree of epoxy penetration. Minimum of 90% of crack shall be full of epoxy adhesive. B.
Evaluation and Acceptance of Epoxy Injection:
1. Results of visual examination will be reviewed by Engineer/Architect for compliance with Article "Field Quality Control by Testing Agency," paragraph "Core Testing."
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2. If results of initial cores fail by lack of penetration, work shall not proceed further until area represented by cores has been re-injected and re-tested for acceptance.
3. After cracks have been re-injected, additional cores shall be taken as directed by Engineer/Architect. Cores shall be tested for compliance with Article "Field Quality Control by Testing Agency," paragraph "Core Testing" by Owner's Testing Agency at Contractor's expense.
4. Core holes shall be filled with non-shrink grout material. Grout shall be applied with hard trowel, and be thoroughly rodded and tamped in place. Finish, texture
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and color to match existing surface. Materials and procedures for filling testing core holes shall be submitted to Engineer/Architect for review prior to starting work.
C. Acceptance of Structure:
1. Acceptance of completed concrete injection work will be according to requirements of Article "Field Quality Control by Testing Agency," paragraph "Core Testing."
2. Grouted core holes shall be sounded by Engineer/Architect and Contractor with hammer or rod after curing for 48 hours.
END OF SECTION 036300
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SECTION 051617 - STRAND GUARDRAIL SYSTEM
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections apply to this Section.
1.2 SUMMARY
A. This Section includes the following metal fabrications:
1. Strand guardrail.
1.3 SUBMITTALS
A. General: Submit each item in this Article according to the Conditions of the Contract and Division 01 Specification Sections.
B. Shop drawings detailing fabrication and installation of strand guardrail system. Include plans, elevations, sections, and details of fabrications and their connections. Show anchorage and accessory items. Provide templates for anchors and bolts. C. Installation drawings shall include:
1. Number, arrangement, and length of strand guardrails.
2. Jacking force required to achieve specified final effective force for all strand guardrails.
3. Cable elongations corresponding to jacking force and final effective force for all strand guardrails.
4. Detailing of anchorage devices.
5. Other incidental features.
D. Submit following information with Installation Drawing submittal:
1. Sealed calculations, prepared under supervision of a Professional Engineer licensed in California for jacking force required to achieve specified final effective strand pretension for all strand guardrails considering strand length, losses due to anchorage seating, and materials and equipment being supplied.
2. Certified calibration curve for each jack to show the gauge pressure corresponding to the required jacking force.
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E. Samples representative of materials and finished products as may be requested by Engineer/Architect.
F. Qualification data for firms and persons specified in the "Quality Assurance" article to demonstrate their capabilities and experience. Include a list of completed projects with project name, addresses, names of architects and owners, and other information specified.
G. Stressing records to Engineer/Architect promptly upon completion of stressing operations.
H. Certification from Installer that stressing process and records have been reviewed, and that forces specified have been provided.
I. See requirements of Division 01 Section, “Submittal Procedures,” Part 1 heading, “Submittal Procedures,” for limits to resubmittals.
J. See requirements of Division 01 Section, “Submittal Procedures,” Part 2 heading, “Requests for Information,” for RFI constraints.
1.4 QUALITY ASSURANCE
A. Fabricator Qualifications: Firm experienced in producing guardrail strand fabrications similar to those indicated for this Project with a record of successful in-service performance, and with sufficient production capacity to produce required units without delaying the Work.
B. Provide barrier cable systems produced in PTI-certified plant conforming to all material and installation requirements of PTI “Specifications for Seven Wire Strand Barrier Cable Applications”.
C. Installer Qualifications: All barrier cable systems using seven-wire prestressing steel strands shall be installed by PTI certified installers.
D. Work shall conform to requirements of PTI “Specifications for Seven Wire Strand Barrier Cable Applications” except where more stringent requirements are shown on Drawings or specified in this Section.
E. Inspection Agency employed by Contractor shall keep barrier cable stressing records and submit to Engineer/Architect. Report will document:
1. Calculated elongation based upon actual elastic modulus and cross-sectional area of strands used.
2. Actual field elongation measured for each guardrail strand.
3. Gauge pressure required to achieve required jacking force [per calibration chart] for each strand.
4. Actual gage pressures for each strand.
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5. Jack and gauge identification numbers.
1.5 REFERENCES
A. American Institute of Steel Construction (AISC):
1. AISC, "Code of Standard Practice for Steel Buildings and Bridges."
2. AISC, "Manual of Steel Construction."
3. AISC, "Specification for the Design, Fabrication and Erection of Structural Steel for Buildings."
B. American Society for Testing and Materials (ASTM):
1. ASTM A36, "Specification for Structural Steel."
2. ASTM A123, "Specification for Zinc (Hot-Dip Galvanized) Coatings On Iron and Steel Products."
3. ASTM A416, "Specification for Steel Strand, Uncoated SevenWire Stress-Relieved, for Prestressed Concrete."
4. ASTM A475, "Specification for Zinc-Coated Steel Wire Strand."
5. ASTM A882, "Standard Specification for Epoxy-Coated Seven-Wire Prestressing Steel Strand."
6. ASTM B633, “Standard Specification for Electrodeposited Coatings of Zinc on Iron and Steel.”
7. ASTM B695, “Standard Specification for Coatings of Zinc Mechanically Deposited on Iron and Steel.”
C. Post-Tensioning Institute
1. PTI M 10.4-07, “Specification for Seven Wire Prestressed Steel Strand for Barrier Cable Applications.”
1.6 PROJECT CONDITIONS
A. Field Measurements: Check actual locations of walls and other construction to which strand guardrails must fit by accurate field measurements before fabrication. Show recorded measurements on final shop drawings. Coordinate fabrication schedule with construction progress to avoid delaying the Work.
PART 2 - PRODUCTS
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2.1 FERROUS METALS
A. General: Comply with Post-Tensioning Institute’s “Specification for Seven Wire Steel Strand Barrier Cable Applications.”
B. Handrail Strand and Terminal Fittings: 7 wire, steel wire strand, ASTM A 475, Common Grade, Class A zinc coating, 0.5 in. diameter. Terminal fittings to be:
1. Swaged and threaded stubs with washers and nuts as shown on Drawings, stainless steel, ASTM A 320, Grade B8F, AISI Type 303 Se, and:
2. Similar to threaded stud No. MS 21259-12, Loos and Company, Inc., Pomfret, Connecticut.
C. Guardrail Strand and Prestressing/Post-Tensioning Anchors:
1. Seven wire, steel strand, 0.5 in. diameter, galvanized stress-relieved prestressing strand, with minimum ultimate tensile strength of 250,000 psi.
2. Strand to have continuous hot-dip galvanized coating. Minimum weight of zinc coating shall be 0.90 oz./sq. ft.(Class A).
3. Anchor bodies shall be galvanized and compatible with strand system furnished.
Anchor bodies shall comply with Post-Tensioning Institute “Specification for Unbonded Single Strand Tendons.” Environment: corrosive. Repair damaged metal surfaces by cleaning and applying two coats of galvanizing repair paint to galvanized surfaces. Apply two coats of galvanizing repair paint to wedge grippers after stressing is complete.
4. Anchor back seating force. Unless noted otherwise, back seat all anchors to a force equal to 80% of the minimum ultimate tensile strength (MUTS) of the strand. D.
Guardrail Strand and Terminal Fittings:
1. Seven wire, steel strand, 0.5 in. diameter, ASTM A416, with minimum ultimate tensile strength of 270,000 psi.
2. Epoxy-coated strand shall comply with requirements of ASTM A882 “Standard Specification for Epoxy-Coated 7-Wire Steel Strand. Thickness: 30 mil minimum.
Color: black.
3. Anchor bodies shall be galvanized and compatible with strand system furnished.
Anchor bodies shall comply with Post-Tensioning Institute “Specification for Unbonded Single Strand Tendons.” Environment: corrosive. Repair damaged metal surfaces by cleaning and applying two coats of galvanizing repair paint to galvanized surfaces. Apply two coats of galvanizing repair paint to wedge grippers after stressing is complete.
4. Anchor back seating force. Unless noted otherwise, back seat all anchors to a force equal to 80% of the minimum ultimate tensile strength (MUTS) of the strand.
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2.2 FABRICATION, GENERAL
A. Form strand guardrail from materials of size, thickness, and shapes indicated but not less than that needed to comply with performance requirements indicated. Work to dimensions indicated or accepted on shop drawings, using proven details of fabrication and support. Use type of materials indicated or specified for various components of each metal fabrication.
B. Allow for thermal movement resulting from the following maximum change (range) in ambient temperature in the design, fabrication, and installation of installed strand guardrail assemblies to prevent over stressing. Base design calculations on actual surface temperatures of metals due to both solar heat gain and nighttime sky heat loss.
1. Temperature Change (Range): 100 F°.
C. Provide for anchorage of type indicated; coordinate with supporting structure. Fabricate and space anchoring devices to secure strand guardrails rigidly in place and to support indicated loads.
D. Shop Assembly: Preassemble items in shop to greatest extent possible to minimize field splicing and assembly. Disassemble units only as necessary for shipping and handling limitations. Use connections that maintain structural value of joined pieces. Clearly mark units for reassembly and coordinated installation.
E. Fabricate joints that will be exposed to weather in a manner to exclude water.
PART 3 - EXECUTION
3.1 PREPARATION
A. Coordinate and furnish anchorages, setting drawings, diagrams, templates, instructions, and directions for installing anchorages. Coordinate delivery of such items to Project site.
3.2 INSTALLATION, GENERAL
A. Fastening to In-Place Construction: Provide anchor bodies where necessary for securing miscellaneous metal fabrications to in-place construction. B. If the guardrail strands are required to be post-tensioned:
1. Backstress all fixed and stressing anchorages.
2. Stress, and then immediately backstress, individual guardrail strands one at a time.
3. Backstress the guardrail strand to a force equal to 80% of the minimum ultimate tensile strength (MUTS) of the strand.
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4. Prevent damage to the column or other member to which the guardrail strand is anchored.
5. For related procedures refer to the PTI Guide Specification.
C. Do not cut strand ends until Contractor receives Engineer/Architect's written approval of stressing records.
3.3 ADJUSTING AND CLEANING
A. For galvanized surfaces, clean welds, bolted connections, and abraded areas, and apply galvanizing repair paint to comply with ASTM A 780.
END OF SECTION 05 16 17
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TRAFFIC COATINGS 071800 - 1
SECTION 071800 – TRAFFIC COATINGS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 01 Specification Sections apply to this Section.
1.2 SUMMARY
A. A single installer shall be responsible for providing complete water proofing system including all products specified in following Sections:
1. Division 07 Section, “Traffic Coatings”
2. Division 07 Section, “Joint Sealants”
B. This Section includes traffic coating: Fluid applied, waterproofing, traffic-bearing elastomeric membrane with integral wearing surface, where surface to which membrane is to be applied is one or more of following:
1. Over designated areas as shown on the drawings.
1.3 ADMINISTRATIVE REQUIREMENTS
A. Coordination:
1. Distribute reviewed submittals to all others whose Work is related.
B. Pre-installation Conference: Meet at project site well in advance of time scheduled for Work to proceed to review requirements for Work and conditions that could interfere with successful coating performance. Require every party concerned with coating Work or required to coordinate with it or protect it thereafter, to attend. Include manufacturer's technical representative and warranty officer.
C. Make submittals in accordance with requirements of Division 01 Section, “Submittal Procedures:”
1. See requirements of Division 01 Section, “Submittal Procedures,” Part 1 heading, “Submittal Procedures,” for limits to resubmittals.
2. See requirements of Division 01 Section, “Submittal Procedures,” Part 2 heading, “Requests for Information,” for RFI constraints.
D. Submittals and Resubmittals: Engineer will review each of Contractor’s shop drawings and/or submittal data initial time and, should resubmittal be required, one additional time
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to verify that reasons for resubmittal have been addressed by Contractor and corrections made. Resubmittal changes/revisions/corrections shall be circled. Engineer will review only circled items and will not be responsible for non-circled changes/revisions/corrections and additions. Should additional resubmittals be required, Contractor shall reimburse Owner for all costs incurred, including cost of Engineer’s services made necessary to review such additional resubmittals. Owner shall in turn reimburse Engineer.
E. Requests For Information
1. Engineer reserves right to reject, unprocessed, any Request for Information (RFI) that Engineer, at its sole discretion, deems frivolous and/or deems already answered in the Contract Documents.
2. RFI process shall not be used for requesting substitutions. Procedures for substitutions are clearly specified elsewhere in Contract documents.
1.4 ACTION SUBMITTALS
A. Product Data: For each system indicated, submit the following at least 60 days prior to application.
1. Product description, technical data, appropriate applications, and limitations.
2. Primer type and application rate
3. Material, and wet mils required to obtain specified dry thickness for each coat.
4. Type, gradation, and aggregate loading required within each coat. B.
Samples:
1. One 4 in. by 4 in. stepped sample showing each component for each system indicated.
C. Sample Warranty: For each system indicated.
1.5 INFORMATION SUBMITTALS
A. Certificates
1. Certification that products and installation comply with applicable federal, state where project is located, and local EPA, OSHA and VOC requirements regarding health and safety hazards.
2. Evidence of applicator's being certified by manufacturer. Evidence shall include complete copy of manufacturer’s licensing/certification document, spelling out repair responsibility for warranty claims.
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3. Certification from Manufacturer that finishes as specified are acceptable for system to be installed at least 1 month before placement of any concrete which will receive traffic coating.
4. Certification stating static coefficient of friction meets minimum requirements of Americans with Disabilities Act (ADA).
5. Certification stating materials have been tested and listed for UL 790 Class "A" rated materials/system by UL for traffic coating application specified on project.
Containers shall bear UL labels.
6. Certification from manufacturer confirming compatibility with existing underlying coatings and/or substrate.
B. Manufacturer’s Instructions: for each system indicated.
1. Crack treatment and surface preparation method and acceptance criteria.
2. Method of application of each coat.
3. Maximum and minimum allowable times between coats.
4. Final cure time before resumption of parking and/or paint striping.
5. Any other special instructions required to ensure proper installation. C. Field Quality Control:
1. Quality Control Plan as defined in Part 3.
2. Two copies each of manufacturer's technical representative's log for each visit.
3. Testing agency field reports.
D. Qualification Statements
1. Manufacturer’s qualifications as defined in “Quality Assurance” article.
2. Installer’s qualifications as defined in “Quality Assurance” article.
3. Signed statement from applicator certifying that applicator has read, understood, and shall comply with all requirements of this Section.
1.6 CLOSEOUT SUBMITTALS
A. Three copies of System Maintenance Manual.DELETE PARA BELOW IF NOT APPLICABLE TO YOUR PROJECT. B.
C. Final executed Warranty.
1.7 QUALITY ASSURANCE
A. Manufacturer’s Qualifications: Owner retains right to reject any manufacturer.
1. Evidence of acceptable previous work on WALKER-designed projects. If none, so state.
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2. Evidence of financial stability acceptable to Engineer/Architect.
3. Listing of 20 or more projects completed with submitted system, to include:
a. Name and location of project.
b. Type of system applied.
c. On-Site contact with phone number.
B. Manufacturer's technical representative, acceptable to Engineer/Architect, shall be on site during surface preparation and initial stages of installation.
C. Installer’s Qualifications: Owner retains right to reject any manufacturer.
1. Evidence of compliance with Summary article paragraph "A single installer. . ."
2. Evidence that installer has successfully performed or has qualified staff who have successfully performed at least 5 verifiable years of installations similar to those involved in this Contract, and minimum 10 projects with submitted system.
3. Listing of 5 or more installations in climate and size similar to this Project performed by installer’s superintendent.
D. Testing Agency: Independent testing laboratory employed by Contractor and acceptable to Engineer/Architect.
E. Certifications
1. Traffic coating shall satisfy current National Volatile Organic Compound (VOC) Emission Standards for Architectural Coatings.
2. Licensing/certification document from manufacturer that confirms system installer is a licensed/certified applicator for the manufacturer and is legally licensed to perform work in the state this project is being constructed.
3. Licensing/certification agreement shall include following information:
a. Applicator’s financial responsibility for warranty burden under agreement terms.
b. Manufacturer’s financial responsibility for warranty burden under agreement terms.
c. Process for dispute settlement between manufacturer and applicator in case of system failures where cause is not evident or cannot be assigned. d. Authorized signatures for both Applicator Company and Manufacturer. e. Commencement date of agreement and expiration date (if applicable).
1.8 DELIVERY, STORAGE, AND HANDLING
A. Deliver all materials to site in original, unopened containers, bearing following information:
1. Name of product.
2. Name of manufacturer.
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3. Date of preparation.
4. Lot or batch number.
B. Store materials under cover and protect from weather. Replace packages or materials showing any signs of damage with new material at no additional cost to Owner.
1.9 FIELD CONDITIONS
A. Weather and Substrate Conditions: Proceed with work only when existing and forecast weather and temperature of concrete substrate will permit work in accordance with manufacturer's recommendations.
1.10 WARRANTY
A. System Manufacturer (New Application): Furnish Owner with written total responsibility Joint and Several Warranty, detailing responsibilities of manufacturer and applicator with regard to warranty requirements (Joint and Several). Warranty shall provide that system will be free of defects, water penetration and chemical damage related to system design, workmanship or material deficiency, consisting of:
1. Any adhesive or cohesive failures.
2. Spalling surfaces.
3. Weathering.
4. Surface crazing (does not apply to traffic coating protection course).
5. Abrasion or tear failure resulting from normal traffic use.
6. Failure to bridge cracks less than 0.0625 in. or cracks existing at time of traffic coating installation on double tees only.
B. If material surface shows any of defects listed above, supply labor and material to repair all defective areas and to repaint all damaged line stripes.
C. Warranty period shall be a 5 year Joint and Several Warranty commencing with date of acceptance of work.
D. Perform any repair under this warranty at no cost to Owner.
E. Address following in terms of Warranty: length of warranty, change in value of warranty – if any- based on length of remaining warranty period, transferability of warranty, responsibilities of each party, notification procedures, dispute resolution procedures, and limitations of liability for direct and consequential damages.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
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A. Manufacturer: Subject to compliance with requirements, provide products of 1 of following, only where specifically named in product category:
1. Lymtal International Inc. (Lymtal), Lake Orion, MI.
2. Sika Corporation (Sika), Lyndhurst, NJ.
3. update
4. Neogard Division of Jones-Blair Company (Neogard), Dallas, TX.
5. Pacific Polymers, Inc. a Division of ITW (Pacific Polymers), Garden Grove, CA
6. Polycoat Products Division of Amer. Polymers (Polycoat), Santa Fe Springs, CA.
7. Pecora Corporation (Pecora), Harleysville, PA
8. Technical Barrier Systems, Inc. (TBS), Oakville, Ontario.
9. Tremco (Tremco), Cleveland, OH.
2.2 MATERIALS, TRAFFIC COATING
A. Available Products: Subject to compliance with the requirements, products that may be incorporated into the Work include, but are not limited to the following: Coatings shall be compatible with all other materials in this Section and related work.
1. VOC Compliant, Extreme Low Odor, High-Solids, Fast Cure, Heavy Duty Coating System:
a. Iso-Flex 760 U HL AR and 760 U HL AL, Lymtal.
b. Sikalastic 720/745, Sika.
c. AutoGard FC HD-48, Autogard E, Neogard.
d. Flexodeck Mark 170.2, Poly-Carb.
e. Kelmar FCW III, Exposure 3, TBS.
f. MasterSeal Traffic 2500,
g. Qualideck Heavy Vehicular (152/252/372/512), APT
h. Vulkem 360NF/950NF and 951NF, Tremco.
B. Provide ultraviolet screening for all traffic coating placed on this project.
C. Finish topcoat shall be colored Dark Gray.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine surfaces to receive Work and report immediately in writing to Engineer/Architect any deficiencies in surface which render it unsuitable for proper execution of Work.
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B. Coordinate and verify that related Work meets following requirements before beginning surface preparation and application:
1. Concrete surfaces are finished as acceptable for system to be installed. Correct all high points, ridges, and other defects in a manner acceptable to Engineer/Architect.
2. Curing compounds used on concrete surfaces are compatible with system to be installed.
3. Concrete surfaces have completed proper curing period for system selected.
4. Joint Sealants are compatible with traffic coatings.
3.2 PREPARATION
A. Seal all openings to occupied space to prevent cleaning materials, solvents and fumes from infiltration. All protective measures and/or ventilating systems required to prevent infiltration are incidental to this Work. B. Acid etching is prohibited.
C. Remove all laitance and surface contaminants, including oil, grease and dirt as specified by manufacturer’s written recommendations.
D. Remove all debonded traffic coatings. Remove all laitance and surface contaminants, including oil, grease and dirt, by shotblasting and appropriate degreasers, or as specified by manufacturer’s written recommendations to provide warranty.
E. Before applying materials, apply system to small area to assure that it will adhere to substrate and joint sealants and dry properly and to evaluate appearance.
F. All cracks on concrete surface shall be prepared in accordance with manufacturer's recommendations.
G. All random cracks on concrete surface less than 0.03 in. wide and showing no evidence of water and/or saltwater staining on ceiling below shall receive detail coat unless more complete treatment required in accordance with manufacturer's recommendations. Rout and seal random cracks, construction joints and control joints prior to installation of primer or base coat. Crack preparation including installation of joint sealant material, where required, is incidental to traffic coating work.
H. Mask off adjoining surfaces not to receive traffic coating and mask off drains to prevent spillage and migration of liquid materials outside membrane area. Provide neat/straight lines at termination of traffic coating.
3.3 INSTALLATION/APPLICATION
A. Installation should include all of the following steps:
1. Surface Preparation: Prepare concrete for system application.
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2. Crack/Construction/Control/Cove Joint Sealing: Detail for crack bridging.
3. Primer Coat: Insure proper adhesion of membrane to substrate.
4. Base Coat: Provide crack spanning in conjunction with Crack Detail noted above.
5. Aggregate Coat – to hold aggregate in system, providing skid and wear close up resistance.
6. Aggregate: Correct size, shape, hardness and amount necessary to insure proper skid and wear resistance.
7. Top Coat: Lock aggregate into place, provide a maintainable surface and provide resistance to ponding water, UV degradation, color loss and chemical intrusion.
B. Do all Work in accordance with manufacturer's written instructions and specifications including, but not limited to, moisture content of substrate, atmospheric conditions (including relative humidity and temperature), coverages, mil thicknesses and texture, and as shown on Drawings.
C. A primer coat is required for all systems. No exception.
D. Do not apply traffic coating material until concrete has been air dried at temperatures at or above 40ºF for at least 30 days after curing period specified.
E. Cease material installation under adverse weather conditions, or when temperatures are outside manufacturer's recommended limitations for installation, or when temperature of work area or substrate are below 40ºF.
F. All adjacent vertical surfaces shall be coated with traffic coating minimum of 4 in. above coated horizontal surface. Requirement includes, but is not limited to pipes, columns, walls, curbs (full height of vertical faces of all curbs) and islands.
G. Complete all Work under this Section before painting line stripes.
H. Clean off excess material and material smears adjacent to joints as work progresses using methods and materials approved by manufacturers.
3.4 FIELD QUALITY CONTROL
A. Develop a quality control plan for assured specified uniform membrane thickness that utilizes grid system of sufficiently small size to designate coverage area of not more than 5 gallons at specified thickness. In addition, employ wet mil gauge to continuously monitor thickness during application. Average specified wet mil thickness shall be maintained within grid during application with minimum thickness of not less than 80% of average acceptable thickness. Immediately apply more material to any area not maintaining these standards.
B. Testing Agency employ wet mil gauge to periodically monitor thickness during application.
C. Determine overall coating system mil thickness:
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1. Contractor shall provide 6 in. by 6 in. bond breaker (coating coupon) on concrete surface for each 25,000 sq ft, or fraction thereof, of coating to be placed as directed by Engineer/Architect and manufacturer. Dimensionally locate coupon for easy removal.
2. Contractor shall assist Testing Agency in removing coating coupons from concrete surface at completion of manufacturer-specified cure period. Contractor shall repair coupon area per coating manufacturer's instructions.
3. Testing Agency shall determine dry mil thickness of completed Traffic Coating System, including bond breaker. Take 9 readings (minimum), 3 by 3 pattern at 2 in. on center. No reading shall be taken closer than 1 in. from coupon edge. Report individual readings and overall coating system average to Engineer/Architect.
Readings shall be made with micrometer or optical comparator.
END OF SECTION 071800
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CONCRETE JOINT SEALANTS 079233 - 1
SECTION 079233 – CONCRETE JOINT SEALANTS
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of Contract, including General and Supplementary Conditions and Division 01 Specification Sections apply to this Section.
1.2 SUMMARY
A. A single installer shall be responsible for providing complete water proofing system including all products specified in the following Sections:
1. Division 07 Section, “Traffic Coatings” B.
This Section includes the following:
1. Exterior joints in the following horizontal traffic bearing surfaces:
a. Construction joints in cast-in-place concrete.
b. Control joints in slab-on-grade, pour strips, repair patches and topping slabs. c. Perimeter of all floor drains.
d. Perimeter of floor penetrations identified on the Drawings. e. Cove joints at intersection of horizontal and vertical concrete. f. Other joints as indicated on Drawings.
C. Related Sections: Following Sections contain requirements that relate to this Section.
1. Division 03 Section, "Cast-in-Place Concrete Restoration."
2. Division 07 Section, “Traffic Coatings.”
3. Division 09 Section, "Pavement Markings."
1.3 ADMINISTRATIVE REQUIREMENTS
A. Coordination:
1. Materials shall be compatible with materials or related Work with which they come into contact, and with materials covered by this Section.
2. Distribute reviewed submittals to all others whose Work is related.
B. Make submittals in accordance with requirements of Division 01 Section, “Submittal Procedures:”
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1. See requirements of Division 01 Section, “Submittal Procedures,” Part 1 heading, “Submittal Procedures,” for limits to resubmittals.
2. See requirements of Division 01 Section, “Submittal Procedures,” Part 2 heading, “Requests for Information,” for RFI constraints.
C. Submittals and Resubmittals: Engineer will review each of Contractor’s shop drawings and/or submittal data the initial time and, should resubmittal be required, one additional time to verify that reasons for resubmittal have been addressed by Contractor and corrections made. Resubmittal changes/revisions/corrections shall be circled. Engineer will review only circled items and will not be responsible for non-circled changes/revisions/corrections and additions. Should additional resubmittals be required, Contractor shall reimburse Owner for all costs incurred, including the cost of Engineer’s services made necessary to review such additional resubmittals. Owner shall in turn reimburse Engineer.
D. Requests For Information
1. Engineer reserves the right to reject, unprocessed, any Request for Information (RFI) that the Engineer, at its sole discretion, deems frivolous.
2. Engineer reserves the right to reject, unprocessed, any RFI that the Engineer, at its sole discretion, deems already answered in the Contract Documents.
3. RFI process shall not be used for requesting substitutions. Procedures for substitutions are clearly specified elsewhere in the contract documents.
1.4 ACTION SUBMITTALS
A. Product Data: For each system indicated at least 30 days prior to application.
1. Product description, technical data, appropriate
applications and limitations.
2. Primer type and application rate B. Samples:
1. One for each system indicated.
C. Sample Warranty: For each system indicated.
1.5 INFORMATION SUBMITTALS
A. Certificates:
1. Evidence of installer's being certified by manufacturer. Evidence shall include complete copy of manufacturer’s licensing/certification document, spelling out repair responsibility for warranty claims.
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2. Certification from the Manufacturer that joint details as specified are acceptable for system to be installed at least 1 month before placement of any concrete which will receive joint sealant. B. Field Quality Control:
1. Two copies each of manufacturer's technical representative's log for each visit.
2. Testing agency field and test reports. C. Qualification Statements:
1. Manufacturer’s qualifications as defined in the “Quality Assurance” article.
2. Installer’s qualifications as defined in the “Quality Assurance” article.
3. Signed statement from this Section applicator certifying that applicator has read, understood, and shall comply with all requirements of this Section.
1.6 CLOSEOUT SUBMITTALS
A. Final executed Warranty.
1.7 QUALITY ASSURANCE
A. Manufacturer’s Qualifications: Owner retains right to reject any manufacturer.
1. Evidence of acceptable previous work on WALKER-designed projects. If none, so state.
2. Evidence of financial stability acceptable to Engineer/Architect.
3. Listing of 20 or more projects completed with submitted sealant, to include:
a. Name and location of project.
b. Type of sealant applied.
c. On-Site contact with phone number.
B. Manufacturer's technical representative, acceptable to Engineer/Architect, shall be on site during surface preparation and initial stages of installation.
C. Installer’s Qualifications: Owner retains right to reject any installer or subcontractor.
1. Installer shall be legally licensed to perform work in the state of Massachusetts.
Evidence of compliance with Summary article paragraph "A single installer. . ."
2. Evidence that installer has successfully performed or has qualified staff who have successfully performed at least 5 verifiable years of installations similar to those involved in this Contract, and minimum 10 projects with submitted sealant.
3. Listing of 5 or more installations in climate and size similar to this Project performed by installer’s superintendent.
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D. Testing Agency: Independent testing laboratory employed by Contractor and acceptable to Engineer/Architect. E. Certifications:
1. Licensing/certification document from system manufacturer that confirms sealant installer is a licensed/certified applicator for the manufacturer and is legally licensed to perform work in the state of California
2. Licensing/certification agreement shall include following information:
a. Applicator’s financial responsibility for warranty burden under agreement terms.
b. Manufacturer’s financial responsibility for warranty burden under agreement terms.
c. Process for dispute settlement between manufacturer and applicator in case of system failures where cause is not evident or cannot be assigned. d. Authorized signatures for both Applicator Company and Manufacturer. e. Commencement date of agreement and expiration date (if applicable).
1.8 DELIVERY, STORAGE, AND HANDLING
A. Deliver all materials to site in original, unopened containers, bearing following information:
1. Name of product.
2. Name of manufacturer.
3. Date of preparation.
4. Lot or batch number.
B. Store materials under cover and protect from weather. Replace packages or materials showing any signs of damage with new material at no additional cost to Owner.
1.9 FIELD CONDITIONS
A. Weather and Substrate Conditions: Proceed with work only when existing and forecast weather and temperature of concrete substrate will permit work in accordance with manufacturer's recommendations.
1.10 WARRANTY
A. Manufacturer: Furnish Owner with written total responsibility Joint and Several Warranty, detailing responsibilities of manufacturer and installer with regard to warranty requirements (Joint and Several). The warranty shall provide that sealant will be free of defects, water penetration and chemical damage related to system design, workmanship or material deficiency, consisting of:
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1. Any adhesive or cohesive failures.
2. Weathering.
3. Abrasion or tear failure resulting from normal traffic use.
B. If material surface shows any of defects listed above, supply labor and material to repair all defective areas and to repaint all damaged line stripes.
C. Warranty period shall be a 5 year Joint and Several Warranty commencing with date of acceptance of work.
D. Perform any repair under this warranty at no cost to Owner.
E. Address the following in the terms of the Warranty: length of warranty, change in value of warranty – if any- based on length of remaining warranty period, transferability of warranty, responsibilities of each party, notification procedures, dispute resolution procedures, and limitations of liability for direct and consequential damages.
F. Snowplows, vandalism, and abnormally abrasive maintenance equipment are not normal traffic use and are exempted from warranty.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Manufacturer: Subject to compliance with requirements, provide products of 1 of following, only where specifically named in product category:
1. 2. Dow Corning Corp. (Dow Corning), Midland, MI.
3. Pecora Corporation (Pecora), Harleysville, PA.
4. Sika Corporation (Sika), North Canton, OH.
5. Tremco (Tremco), Cleveland, OH.
2.2 MATERIALS, JOINT SEALANT SYSTEM
A. Provide complete system of compatible materials designed by manufacturer to produce waterproof, traffic-bearing control joints as detailed on Drawings.
B. Compounds used for sealants shall not stain masonry or concrete. Aluminum pigmented compounds not acceptable.
C. Color of sealants shall match adjacent surfaces.
D. Closed cell or reticulated backer rods: Acceptable products:
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1. “Sof Rod,” Nomaco Inc., 501 NMC Drive, Zebulon, NC 27597. (800) 345-7279 ext. 341.
2. “ITP Soft Type Backer Rod,” Industrial Thermo Polymers Limited, 2316 Delaware Ave., Suite 216, Buffalo, NY 14216. (800) 387-3847.
3. E. Bond breakers and fillers: as recommended by system manufacturer.
F. Primers: as recommended by sealant manufacturer.
G. Acceptable sealants are listed below. Sealants shall be compatible with all other materials in this Section and related work.
H. Acceptable polyurethane control joint sealants (traffic bearing):
1. Iso-flex 880 GB or Iso-flex 881, Lymtal.
2. Dynatrol II-SG or Urexpan NR 200, Pecora.
3. THC-900, THC-901, Vulkem 45SSL, Dymeric 240, Dymeric 240 FC or Dymonic 100, Tremco.
I. Acceptable polyurethane vertical and cove joints sealants (non-traffic bearing)
1. Dymeric 240/240FC, Dymonic 100 or THC 901 (cove only), Tremco.
2. Dynatred, Pecora.
3. Iso-flex 881, Lymtal.
J. Proposed Substitutions: None for this project. Contact Engineer/Architect for consideration for future projects.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine surfaces to receive Work and report immediately in writing to Engineer/Architect any deficiencies in surface which render it unsuitable for proper execution of Work.
B. Coordinate and verify that related Work meets following requirements before beginning installation
1. Concrete surfaces are finished as acceptable for system to be installed.
2. Curing compounds used on concrete surfaces are compatible with system to be installed.
3. Concrete surfaces have completed proper curing period for system selected.
3.2 PREPARATION
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A. Seal all openings to occupied space to prevent cleaning materials, solvents and fumes from infiltration. All protective measures and/or ventilating systems required to prevent infiltration are incidental to this Work.
B. Correct unsatisfactory conditions before installing sealant system.
C. Acid etching is prohibited.
D. Grind joint edges smooth and straight with beveled grinding wheel before sealing. All surfaces to receive sealant shall be dry and thoroughly cleaned of all loose particles, laitance, dirt, dust, oil, grease or other foreign matter. Obtain written approval of method from system manufacturer before beginning cleaning.
E. Final preparation of joints shall be a sandblast with medium that removes dust and ground material from surfaces to receive sealant.
F. Check preparation of substrate for adhesion of sealant.
G. Prime and seal joints and protect as required until sealant is fully cured. A primer coat is required for all systems.
3.3 INSTALLATION/APPLICATION
A. Do all Work in strict accordance with manufacturer's written instructions and specifications including, but not limited to, moisture content of substrate, atmospheric conditions (including relative humidity and temperature), thicknesses and texture, and as shown on Drawings.
B. Completely fill joint without sagging or smearing onto adjacent surfaces.
C. Non-Sag Sealants: Tool joints concave: Wet tooling not permitted.
D. Clean off excess material and material smears adjacent to joints as work progresses using methods and materials approved by manufacturers.
E. Cease material installation under adverse weather conditions, or when temperatures are outside manufacturer's recommended limitations for installation, or when temperature of work area or substrate are below 40ºF.
3.4 FIELD QUALITY CONTROL
A. Contractor and Engineer/Architect will jointly determine which one of following 2 methods of sealant testing to verify sealant profile:
1. Contractor, at Engineer/Architect's direction, shall cut out lesser of 1% of total lineal footage placed or total of 100 lineal ft of joint sealant at isolated/random locations
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(varying from in. to ft of material) for Engineer/Architect and Manufacturer's Representative inspection of sealant profile.
2. Contractor, at Engineer/Architect's direction, shall install 3 trial joint sections of 20 ft each. Contractor shall cut out joint sections, as selected by Engineer/Architect, for Engineer/Architect and Manufacturer's Representative inspection. Additional isolated/random removals may be required where sealant appears deficient B. Repair all random joint sealant "cut out" sections at no cost to Owner.
C. Testing Agency:
1. Check shore hardness per ASTM standard specified in sealant manufacturer's printed data.
2. If flood test of joints required by this Section, report results to Engineer/Architect.
END OF SECTION 079233
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EXTERIOR PAINTING 099113 - 1
SECTION 099113 - EXTERIOR PAINTING
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
1.2 SUMMARY
A. Section includes surface preparation and the application of paint systems on the following exterior substrates:
1. Metal Railings
1.3 DEFINITIONS
A. MPI Gloss Level 1 (Matte Finish): Not more than five units at 60 degrees and 10 units at 85 degrees, according to ASTM D 523.
B. MPI Gloss Level 3 (‘Egg-Shell-Like’ Finish): 10 to 25 units at 60 degrees and 10 to 35 units at 85 degrees, according to ASTM D 523.
C. MPI Gloss Level 4 (‘Satin-Like’ Finish): 20 to 35 units at 60 degrees and not less than 35 units at 85 degrees, according to ASTM D 523.
D. MPI Gloss Level 5 (Semi-Gloss): 35 to 70 units at 60 degrees, according to ASTM D 523.
E. MPI Gloss Level 6 (Gloss): 70 to 85 units at 60 degrees, according to ASTM D 523.
1.4 ACTION SUBMITTALS
A. Product Data: For each type of product. Include preparation requirements and application instructions.
1. Include printout of current "MPI Approved Products List" for each product category specified, with the proposed product highlighted.
2. Indicate VOC content.
B. Sustainable Design Submittals:
C. Samples for Initial Selection: For each type of topcoat product.
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D. Samples for Verification: For each type of paint system and each color and gloss of topcoat.
1. Submit Samples on rigid backing, 8 inches (200 mm) square.
2. Apply coats on Samples in steps to show each coat required for system.
3. Label each coat of each Sample.
4. Label each Sample for location and application area.
E. Product List: Cross-reference to paint system and locations of application areas. Use same designations indicated on Drawings and in schedules. Include color designations.
1.5 MAINTENANCE MATERIAL SUBMITTALS
A. Furnish extra materials that match products installed and that are packaged with protective covering for storage and identified with labels describing contents.
1. Paint: 5 percent, but not less than 1 gal. (3.8 L) of each material and color applied.
1.6 QUALITY ASSURANCE
A. Mockups: Apply mockups of each paint system indicated and each color and finish selected to verify preliminary selections made under Sample submittals and to demonstrate aesthetic effects and set quality standards for materials and execution.
1. Architect will select one surface to represent surfaces and conditions for application of each paint system.
a. Vertical and Horizontal Surfaces: Provide samples of at least 100 sq. ft. (9 sq. m).
b. Other Items: Architect will designate items or areas required.
2. Final approval of color selections will be based on mockups. a. If preliminary color selections are not approved, apply additional mockups of additional colors selected by Architect at no added cost to Owner.
3. Approval of mockups does not constitute approval of deviations from the Contract Documents contained in mockups unless Architect specifically approves such deviations in writing.
4. Subject to compliance with requirements, approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.
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1.7 DELIVERY, STORAGE, AND HANDLING
A. Store materials not in use in tightly covered containers in well-ventilated areas with ambient temperatures continuously maintained at not less than 45 deg F (7 deg C).
1. Maintain containers in clean condition, free of foreign materials and residue.
2. Remove rags and waste from storage areas daily.
1.8 FIELD CONDITIONS
A. Apply paints only when temperature of surfaces to be painted and ambient air temperatures are between 50 and 95 deg F (10 and 35 deg C).
B. Do not apply paints in snow, rain, fog, or mist; when relative humidity exceeds 85 percent; at temperatures less than 5 deg F (3 deg C) above the dew point; or to damp or wet surfaces.
PART 2 - PRODUCTS
2.1 MANUFACTURERS
A. Manufacturers: Subject to compliance with requirements, provide products by one of the following:
1. Behr Process Corporation.
2. Benjamin Moore & Co.
3. Dunn-Edwards Corporation.
4. Glidden Professional.
5. Kelly-Moore Paint Company Inc.
6. PPG Architectural Finishes, Inc.
7. Pratt & Lambert.
8. Sherwin-Williams Company (The).
2.2 PAINT, GENERAL
A. MPI Standards: Products shall comply with MPI standards indicated and shall be listed in its "MPI Approved Products Lists." B. Material Compatibility:
1. Materials for use within each paint system shall be compatible with one another and substrates indicated, under conditions of service and application as demonstrated by manufacturer, based on testing and field experience.
2. For each coat in a paint system, products shall be recommended in writing by topcoat manufacturers for use in paint system and on substrate indicated.
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C. VOC Content: For field applications, paints and coatings shall comply with VOC content limits of authorities having jurisdiction and the following VOC content limits:
1. Primers, Sealers, and Undercoaters: 100 g/L.
2. Rust-Preventive Coatings: 100 g/L.
D. Colors: As selected by Architect from manufacturer's full range by Owner.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates and conditions, with Applicator present, for compliance with requirements for maximum moisture content and other conditions affecting performance of the Work.
B. Maximum Moisture Content of Substrates: When measured with an electronic moisture meter as follows:
1. Concrete: 12 percent.
2. Masonry (Clay and CMUs): 12 percent.
C. Verify suitability of substrates, including surface conditions and compatibility, with existing finishes and primers.
D. Proceed with coating application only after unsatisfactory conditions have been corrected.
1. Application of coating indicates acceptance of surfaces and conditions.
3.2 PREPARATION
A. Comply with manufacturer's written instructions and recommendations in "MPI Architectural Painting Specification Manual" applicable to substrates and paint systems indicated.
B. Remove hardware, covers, plates, and similar items already in place that are removable and are not to be painted. If removal is impractical or impossible because of size or weight of item, provide surface-applied protection before surface preparation and painting.
1. After completing painting operations, use workers skilled in the trades involved to reinstall items that were removed. Remove surface-applied protection.
C. Clean substrates of substances that could impair bond of paints, including dust, dirt, oil, grease, and incompatible paints and encapsulants.
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1. Remove incompatible primers and reprime substrate with compatible primers or apply tie coat as required to produce paint systems indicated.
D. Concrete Substrates: Remove release agents, curing compounds, efflorescence, and chalk. Do not paint surfaces if moisture content or alkalinity of surfaces to be painted exceeds that permitted in manufacturer's written instructions.
E. Masonry Substrates: Remove efflorescence and chalk. Do not paint surfaces if moisture content or alkalinity of surfaces or mortar joints exceeds that permitted in manufacturer's written instructions.
F. Steel Substrates: Remove rust, loose mill scale, and shop primer if any. Clean using methods recommended in writing by paint manufacturer but not less than the following:
1. SSPC-SP 2.
G. Shop-Primed Steel Substrates: Clean field welds, bolted connections, and areas where shop paint is abraded. Paint exposed areas with the same material as used for shop priming to comply with SSPC-PA 1 for touching up shop-primed surfaces.
H. Galvanized-Metal Substrates: Remove grease and oil residue from galvanized sheet metal by mechanical methods to produce clean, lightly etched surfaces that promote adhesion of subsequently applied paints.
3.3 APPLICATION
A. Apply paints according to manufacturer's written instructions and recommendations in "MPI Architectural Painting Specification Manual."
1. Use applicators and techniques suited for paint and substrate indicated.
2. Paint surfaces behind movable items same as similar exposed surfaces. Before final installation, paint surfaces behind permanently fixed items with prime coat only.
3. Paint both sides and edges of exterior doors and entire exposed surface of exterior door frames.
4. Do not paint over labels of independent testing agencies or equipment name, identification, performance rating, or nomenclature plates.
5. Primers specified in painting schedules may be omitted on items that are factory primed or factory finished if acceptable to topcoat manufacturers.
B. Apply paints to produce surface films without cloudiness, spotting, holidays, laps, brush marks, roller tracking, runs, sags, ropiness, or other surface imperfections. Cut in sharp lines and color breaks.
C. Painting Fire Suppression, Plumbing, HVAC, Electrical, Communication, and Electronic Safety and Security Work:
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1. Paint the following work where exposed to view:
a. Equipment, including panelboards.
b. Uninsulated metal piping.
c. Pipe hangers and supports.
d. Metal conduit.
3.4 FIELD QUALITY CONTROL
A. Dry Film Thickness Testing: Owner may engage the services of a qualified testing and inspecting agency to inspect and test paint for dry film thickness.
1. Contractor shall touch up and restore painted surfaces damaged by testing.
2. If test results show that dry film thickness of applied paint does not comply with paint manufacturer's written recommendations, Contractor shall pay for testing and apply additional coats as needed to provide dry film thickness that complies with paint manufacturer's written recommendations.
3.5 CLEANING AND PROTECTION
A. At end of each workday, remove rubbish, empty cans, rags, and other discarded materials from Project site.
B. After completing paint application, clean spattered surfaces. Remove spattered paints by washing, scraping, or other methods. Do not scratch or damage adjacent finished surfaces.
C. Protect work of other trades against damage from paint application. Correct damage to work of other trades by cleaning, repairing, replacing, and refinishing, as approved by Architect, and leave in an undamaged condition.
D. At completion of construction activities of other trades, touch up and restore damaged or defaced painted surfaces.
3.6 EXTERIOR PAINTING SCHEDULE
A. Galvanized-Metal Substrates:
1. System:
a. Prime Coat: Epoxy.
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1) Sherwin-Williams; Macropoxy 646 - 100.
2) Equivalent products by other manufacturers and approved by Architect/Engineer.
b. Topcoat: Polyurethane Rust Preventative.
1) Sherwin-Williams; – Hi-Solids Polyurethane 100.
2) Equivalent products by other manufacturers and approved by Architect/Engineer.
END OF SECTION 099113
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PAVEMENT MARKING - RESTORATION 099121 - 1
SECTION 099121 - PAVEMENT MARKING - RESTORATION
PART 1 - GENERAL
1.1 RELATED DOCUMENTS
A. Contract Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections apply to this Section.
1.2 SUMMARY
A. This Section includes surface preparation and application of high build paint systems to replace existing for the items of types, patterns, sizes, and colors described in this article. B.
Provide the following systems as shown on Drawings:
1. Parking Stall Stripes.
2. Traffic Arrows, crosswalks, accessible stall access aisles, walkways, symbols, stop bars, words and other markings.
3. International Symbol of Accessibility.
C. Provide painting of curbs and curb ramps as described in the following paragraphs:
1. Paint vertical surface and the first 6 in. of the abutting horizontal surface at the top of all curbs and islands (including PARCS equipment islands) within parking facility to match existing, unless otherwise noted on the Drawings.
2. Paint color for curbs and curb ramps shall be yellow.
D. Proportion International Symbol of Accessibility in accordance with ICC A117.1-2009 Accessible and Usable Buildings or 2010 ADA Standards for Accessible Design. E. Related Work:
1. Pavement Marking Contractor shall verify compatibility with sealers, joint sealants, caulking and all other surface treatments as specified in Division 07.
1.3 SUBMITTALS
A. Product Data: For each type of product indicated.
B. Provide product data as follows:
1. Manufacturer’s certification that the material complies with standards referenced within this Section.
2. Intended paint use.
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3. Pigment type and content.
4. Vehicle type and content.
C. Submit list of similar projects (minimum of 5) where pavement-marking paint has been in use for a period of not less than 2 yrs.
D. See requirements of Division 01 Section, “Submittal Procedures,” Part 1 heading, “Submittal Procedures,” for limits to resubmittals.
E. See requirements of Division 01 Section, “Submittal Procedures,” Part 2 heading, “Requests for Information,” for RFI constraints.
1.4 PROJECT CONDITIONS
A. Apply paints only when temperature of surfaces to be painted and ambient air temperatures are between 50 and 95 degrees F.
B. Do not apply paints in snow, rain, fog, or mist; when relative humidity exceeds 85 percent; at temperatures less than 5 degrees F above the dew point; or to damp or wet surfaces.
1.5 QUALITY ASSURANCE
A. Provide written 1 year warranty to Owner that pavement markings will be free of defects due to workmanship, inadequate surface preparation, and materials including, but not limited to, fading and/or loss of markings due to abrasion, peeling, bubbling and/or delamination.
Excessive delamination, peeling, bubbling or abrasion loss shall be defined as more than 15% loss of marking material within one year of substantial completion and/or occupancy of the parking area. With no additional cost to Owner, repair and/or recoat all pavement marking where defects develop or appear during warranty period and all damage to other Work due to such defects.
PART 2 - PRODUCTS
2.1 MATERIALS
A. Pavement marking materials shall meet Federal, State and Local environmental standards.
B. Paint shall be manufactured and formulated from first grade raw materials and shall be free from defects or imperfections that might adversely affect product serviceability.
C. Paints shall comply with the National Organic Compound Emission Standards for Architectural Coatings, Environmental Protection Agency, 40 CFR Part 59.
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D. The product shall not contain mercury, lead, hexavalent chromium, or halogenated solvents.
2.2 PAVEMENT MARKING PAINTS:
A. Low VOC - Solvent based paint may be employed for white and yellow pavement markings and shall meet the requirements of MPI #32
1. Available Products: Subject to compliance with the requirements, products that may be incorporated into the Work include, but are not limited to the following:
a. Chlorinated Rubber Traffic & Zone Marking Paint, 7493/7494, by RAE Products & Chemicals Corporation
b. Setfast Low VOC Acrylic Marking Paint, TM 5626/5627 by Sherwin Williams Company
B. All products shall have performance requirements of Type I and II of Federal Standard TT-P-1952E.
2.3 COLOR OF PAINT
A. Color of paint shall match existing, unless noted otherwise on Contract Drawings:
1. White: Match federal color chip 37925 and daylight directional reflectance (without glass beads) shall not be less than 84% (relative to magnesium oxide) when tested in accordance with Federal Test Method Standard 141, Method 6121.
2. Yellow: Match federal color chip No. 33538. Color shall have daylight directional reflectance (without glass beads) of not less than 50% (relative to magnesium oxide) when tested in accordance with Federal Test Method Standard 141, Method 6121.
3. Blue: Match federal color chip No. 35180. Color shall have daylight directional reflectance (without glass beads) of not less than 52% (relative to magnesium oxide) when tested in accordance with Federal Test Method Standard 141, Method 6121.
PART 3 - EXECUTION
3.1 EXAMINATION
A. Examine substrates and conditions, with Applicator present, for compliance with requirements for maximum moisture content and other conditions affecting performance of work.
B. Document the location of existing striping and traffic marking, and colors utilized prior to removal of traffic lines and markings for surface preparation.
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C. Verify suitability of substrates, including surface conditions and compatibility with existing finishes and primers.
D. Begin coating application only after unsatisfactory conditions have been corrected and surfaces are dry.
1. Beginning coating application constitutes Contractor's acceptance of substrates and conditions.
E. Striping shall not be placed until full cure of concrete repairs, sealers or coatings. Sealers (other than silane) generally require 14 days @ 70°F or higher. Silane sealers require 24 hrs @ 70°F or higher. Bituminous surfaces generally require 30 days @ 45° F or higher. Coatings shall be fully cured
3.2 PREPARATION
A. Comply with manufacturer's written instructions and recommendations in "MPI Architectural Painting Specification Manual" applicable to substrates and paint systems indicated.
B. Do not paint or finish any surface that is wet or damp.
C. Clean substrates of substances that could impair bond of paints, including dirt, dust, oil, grease, release agents, curing compounds, efflorescence, chalk, and incompatible paints and encapsulants.
D. Concrete Substrates: Do not paint surfaces if moisture content or alkalinity of surfaces to be painted exceeds that permitted in manufacturer's written instructions.
E. Lay out all striping on each tier, using existing layout, dimensions and details unless otherwise noted on Contract Drawings.
F. Report any discrepancies, interferences or changes in striping due to field conditions to Engineer/Architect prior to painting. Pavement Marking Contractor shall be required to remove paint, repair surface treatment and repaint stripes not applied in strict accordance with Contract Drawings.
G. Where existing painted pavement markings and/or stripes conflict with new striping layout or must be removed due to installation which does not conform to contract requirements, remove existing paint markings, using care to avoid scarring substrate surface.
1. Concrete and asphalt surfaces: Material shall be removed by methods acceptable to Engineer/Architect and cause as little damage as possible to surface texture of pavement. Methods, that can provide acceptable results, are grinding and air or shot blasting. Use of chemicals to remove pavement markings prohibited. Collect residue generated by removal of pavement markings and dispose of as required by all applicable laws and regulations. If grinding is used, lightly grind floor surface
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using wheel mounted floor grinder or similar equipment with positive elevation control of grinder head. For all removal techniques: On test area, demonstrate to Owner acceptable removal of paint material and control of paint removal equipment to prevent substrate scarring.
2. Traffic Topping/Membrane surfaces: Remove existing pavement markings by solvent washing or high-pressure water washing. Submit letter from traffic topping/membrane manufacturer certifying that solvents and/or water pressures are acceptable for this use and will not damage material. On test area, demonstrate to Owner acceptable removal of paint material and control of paint removal equipment to prevent substrate scarring.
3. Contractor shall not use paint, bituminous bond coat or other methods of covering markings to obliterate existing pavement markings.
4. Material deposited on pavement as a result of removal shall be removed as work progresses. Accumulation of material, that might interfere with drainage or might constitute a hazard to traffic, prohibited.
5. Curing compounds on new concrete surfaces (less than 1 yr old) shall be removed per existing pavement marking removal requirements prior to installation of new pavement markings. H. Work Areas:
1. Store, mix and prepare paints only in areas designated by Contractor for that purpose.
2. Provide clean cans and buckets required for mixing paints and for receiving rags and other waste materials associated with painting. Clean buckets regularly. At close of each day's Work, remove used rags and other waste materials associated with painting.
3. Take precautions to prevent fire in or around painting materials. Provide and maintain appropriate hand fire extinguisher near paint storage and mixing area. I.
Mixing:
1. Do not intermix materials of different character or different manufacturer.
2. Do not thin material except as recommended by manufacturer. J. Disposal:
1. Contractor shall properly dispose of unused materials and containers in compliance with Federal Resource Conservation Recovery Act (RCRA) of 1976 as amended, and all other applicable laws and regulations.
3.3 APPLICATION
A. Apply painting and finishing materials in accordance with manufacturer's directions. Use applications and techniques best suited for material and surfaces to which applied.
Minimum air shall be used to prevent overspray. Temperature during application shall be minimum of 40º F and rising, unless manufacturer requires higher minimum temperature. Maximum relative humidity shall be as required by manufacturer.
1. Total wet mil thickness of 0.015 in (minimum).
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2. Total dry film thickness of 0.008 in (minimum).
B. All lines shall be straight, true, and sharp without fuzzy edges, overspray or non-uniform application. Corners shall be at right angles, unless shown otherwise, with no overlaps.
Line width shall be uniform (-0%, +5% from specified width). No excessive humping (more material in middle than at edges or vice versa).
C. All lines shall be 4-inches wide unless otherwise noted.
END OF SECTION 099121
TECHNICAL PROVISIONS – PUMP STATION
SECTION 221400 – SUBMERSIBLE PUMPS
SECTION 407200 – LEVEL TRANSDUCERS
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SECTION 22 14 00
SUBMERSIBLE PUMPS
PART 1 - GENERAL
1.1 DESCRIPTION
This work shall include the removal and replacement of the pumps, motors, guide rail assemblies, wet well piping, and related labor and materials to provide a fully functional sump pump in the parking structure. This work will also include cleaning and clearing of any piping that may restrict the flows into or out of the pump wet well.
1.2 RELATED WORK
A. Part 1, GENERAL PROVISIONS.
B. Section 3-7, CONTRACT DOCUMENTS.
C. Section 26 05 00, COMMON WORK RESSULTS FOR ELECTRICAL.
D. Section 26 05 04, CLEANING, INSPECTION, AND TESTING OF ELECTRICAL EQUIPMENT.
E. Section 40 72 00, LEVEL TRANSDUCER
1.3 APPLICABLE PUBLICATIONS
A. The publications listed below form a part of this specification to the extent referenced.
The publications are referenced in the text by the basic designation only.
B. American National Standard Institute (ANSI)/Hydraulic Institute (HI):
1.1-1.2-2014 ............................ Rotodynamic Centrifugal Pumps for Nomenclature and Definitions
1.3-2013 .................................. Rotodynamic Centrifugal Pumps for Design and Application
1.4-2014 .................................. Rotodynamic Centrifugal Pumps for Manuals Describing Installation, Operation, and Maintenance C. ASTM International (ASTM):
A48/A48M-2003 (R2012) ........... Standard Specification for Gray Iron Castings A532/A532M-2010 (R2014) ....... Standard Specification for Abrasion-Resistant Cast Irons
B584-2014 ............................... Standard Specification for Copper Alloy Sand Castings for General Applications D. National Electrical Manufacturers Association (NEMA):
ICS 6-1993 (R2001, R2006) ....... Industrial Control and Systems: Enclosures 250-2014 ................................. Enclosures for Electrical Equipment (1000 Volts Maximum) E. Underwriters' Laboratories, Inc. (UL):
508-1999 (R2013) .................... Standards for Industrial Control Equipment
1.4 SUBMITTALS
A. Submittals, including number of required copies, shall be submitted in accordance with the General Provisions of these specifications.
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C. Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, model numbers, size, and capacity.
1. Pump:
a. Manufacturer and model.
b. Operating speed (rpm).
c. Capacity.
d. Characteristic performance curves.
2. Electric Motor:
a. Manufacturer.
b. Speed.
c. Current Characteristics and HP.
d. Efficiency.
3. Control panel.
4. Sensors.
D. Certified copies of all the factory and construction site test data sheets and reports.
E. Complete operating and maintenance manuals including wiring diagrams, technical data sheets and information for ordering replacement parts:
1. Include complete list which indicates all components of the system.
2. Include complete diagrams of the internal wiring for each item of equipment.
3. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance, and troubleshooting.
1.5 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.
1.6 WARRANTY.
A. Manufacturer's Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components of pumps and accessories that fail in materials or workmanship within specified warranty period;
1. Failures include, but are not limited to, the following:
a. Faulty operation of pumps, controls, or pumping and piping system accessories; b. Deterioration of metals, metal finishes, and other materials beyond normal use;
2. Warranty Period for Pumps: One year from date of Substantial Completion;
3. Warranty Period for Control Panel: One year from date of Substantial Completion.
1.7 AS-BUILT DOCUMENTATION
A. Submit manufacturer’s literature and data updated to include submittal review comments and any equipment substitutions.
B. Submit operation and maintenance data updated to include submittal review comments, substitutions and construction revisions shall be hard copy and in electronic version on compact disc or DVD inserted into a three-ring binder. All aspects of system operation and maintenance procedures, including piping isometrics, wiring diagrams of all circuits, a written description of system design, control logic, and sequence of operation shall be included in the operation and maintenance manual. The operations and maintenance manual shall include troubleshooting techniques and procedures for emergency situations. Notes on all special systems or devices such as damper and door closure
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interlocks shall be included. A List of recommended spare parts (manufacturer, model number, and quantity) shall be furnished. Information explaining any special knowledge or tools the owner will be required to employ shall be inserted into the As-Built documentation.
C. The installing contractor shall maintain as-built drawings of each completed phase for verification; and shall provide the complete set at the time of final systems certification testing. As-built drawings are to be provided, and a copy of them in Auto-CADD provided on compact disk or DVD.
D. Certification documentation shall be provided to Engineer 10 working days prior to submitting the request for final inspection. The documentation shall include all test results, the names of individuals performing work for the testing agency on this project, detailed procedures followed for all tests, and a certification that all results of tests were within limits specified.
PART 2 - PRODUCTS
2.1 SUMP PUMP
A. Scope:
Furnish – two (2) solids handling submersible non-clog wastewater pump with 2-vane enclosed impeller or Engineer pre-approved equal. The pump shall be supplied with a mating cast discharge connection (two (2) inch or adaptable to the two (2) inch discharge line) and be capable of delivering 50 U.S. gallons per minute (gpm) at a total dynamic head (TDH) of 25- feet. The motor shall be an integral part of the pump unit.
The motor shall be connected for operation to the 208V, single phase, 60 Hertz electrical supply service. Pumps are intended for wet pit installation and shall be supplied with a standard cast iron auto-installation guide rail system with an integrated discharge elbow.
Pump shall be fitted with a stainless-steel lifting bail assembly for lifting pumps out of wet well for service or replacement. The working load rating of the lifting system shall be a minimum of 50% greater than the pump weight. Each pump motor shall be equipped with power and control cable sized in accordance with NEC and CSA standards.
B. Pump Design
The heavy duty submersible wastewater pump shall be capable of handling raw unscreened stormwater without clogging. The pump shall be driven by a premium efficiency motor providing the highest levels of operational reliability and energy efficiency.
C. Guide Rail Base Assembly
The discharge base & elbow assembly shall be permanently installed in the wet well and connected to the discharge piping. In order to prevent binding or separation of the pump from the guide rail system, the pump(s) shall connect to the guide rail base automatically and firmly, guided by two guide rails.
Minimum two (2) inch stainless-steel guide rails extending from the base elbow to the top of the station. Systems using guide cable in lieu of rigid guide bars or pipes shall not be considered acceptable. The sliding guide bracket shall be a separate part of the pumping unit, capable of being attached to standard two (2) inch pump connection, so
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that the pump mounting is non- proprietary, and any pump with a standard discharge flange can be mounted on the base assembly.
Base or bracket assemblies with proprietary or non-standard flange dimensions shall not be considered acceptable.
A field replaceable Nitrile (Buna-N) rubber profile gasket or O-ring shall accomplish positive sealing of the pump flange/guide rail bracket to the discharge elbow. No portion of the pump shall bear directly on the floor of the sump. The guide rail system shall be available in an optional non- sparking version, approved by Factory Mutual for use in NEC Class 1, Division 1, Group C&D hazardous locations.
D. Seals
The motor shall be protected by two mechanical seals mounted in tandem with a seal chamber between the seals. Seal chamber shall be oil filled to lubricate seal face and to transmit heat from shaft to the outer shell. Seal face shall be carbon and ceramic and lapped to a flatness of one light band. A double electrode shall be mounted in the seal chamber to detect any water entering the chamber through the lower seal. Water in the chamber shall cause a red light to turn on at the control box. This signal shall not stop motor but shall act as a warning only, indicating service is required.
E. Impeller
The impeller shall be ductile iron and of the 2-vane solids handling enclosed type. Vane inlet tips shall be carefully rounded to prevent stringy material from catching in vanes.
Pump-out vane shall be used in front and back chamber. Impeller shall be dynamically balanced. Impeller shall be driven by stainless steel shaft key and impeller held in place with lock screw and washer. Impeller and motor shall lift off case as a unit without disturbing discharge piping. Impeller neck shall run in bronze wear ring that is pressed into volute case.
F. Pump Case
The volute case shall be cast iron and have a flanged center line discharge. Discharge flange shall be 2" standard with bolt holes (or capable of adapting to the 2” discharge) straddling center line. A bronze wear ring shall be pressed into case for guiding impeller neck and to prevent corrosion freeze-up. Wear ring to be held from rotating by locking with stainless steel set screw in end of ring.
G. Pump and Motor Casting
The pump shall be painted with waterborne hybrid acrylic/alkyd paint or Engineer approved equal. This custom engineered, quick dry paint shall provide superior levels of corrosion and chemical protection. All fasteners shall be 302 stainless steel.
H. Power Cable
Power cord and control cord shall be triple sealed. The power and control conductor shall be single strand sealed with epoxy potting compound and then clamped in place with rubber seal bushing to seal outer jacket against leakage and to provide for strain pull. Cords shall withstand a pull strain to meet FM requirements. Insulation of power and control cords shall be type SOOW or W. Both control and power cords shall have a green carrier ground conductor that attaches to motor frame.
PART 3 - EXECUTION
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3.1 STARTUP AND TESTING
A. Perform tests and inspections and prepare test reports;
1. Manufacturer's Field Service: Engage a pump station manufacturer's authorized service representative to assist in testing and startup; B. Tests and Inspections:
1. Test completed piping systems according to requirements of authorities having jurisdiction. Submit reports;
2. After installing wastewater pumping stations and after electrical circuitry has been energized, test pumps and controls for compliance with requirements;
3. After electrical circuitry has been energized, start units to confirm the station can run at pre- specified design parameters;
4. Test piping for leaks and defects;
5. Test and adjust controls and safeties;
Remove and replace components of the stormwater pumping stations that do not pass tests and inspections and retest as specified above. //
3.2 DEMONSTRATION AND TRAINING
A. Provide services of manufacturer’s technical representative for two (2) hours to instruct City Personnel in operation and maintenance of units.
B. Submit training plans and copy of training documents (electronic and hard copy) for City review prior to training.
- - - E N D - - -
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SECTION 40 72 00
LEVEL TRANSDUCER
PART 1 - GENERAL
1.1 DESCRIPTION
This work shall include the installation of level transducer (pressure transducer), related labor and materials to provide water level detection in the sump pump to start and stop the pumps. This work will also include refurbishing of the existing mechanical float system in the pump wet well. The level transducer shall be the primary level detection system. Redundant back up will be provided by the mechanical float system.
1.2 RELATED WORK
A. Part 1, GENERAL PROVISIONS.
B. Section 3-7, CONTRACT DOCUMENTS.
C. Section 26 05 00, COMMON WORK RESSULTS FOR ELECTRICAL.
D. Section 26 05 04, CLEANING, INSPECTION, AND TESTING OF ELECTRICAL EQUIPMENT.
E. Section 22 14 00, SUBMERSIBLE PUMPS
1.3 APPLICABLE PUBLICATIONS
A. The publications listed below form a part of this specification to the extent referenced. The publications are referenced in the text by the basic designation only.
B. National Electrical Manufacturers Association (NEMA):
ICS 6-1993 (R2001, R2006) ...... Industrial Control and Systems: Enclosures 250-2014 ................................. Enclosures for Electrical Equipment (1000 Volts Maximum) C. Underwriters' Laboratories, Inc. (UL):
508-1999 (R2013) .................... Standards for Industrial Control Equipment
1.4 SUBMITTALS
A. Submittals, including number of required copies, shall be submitted in accordance with the General Provisions of these specifications.
B. Manufacturer's Literature and Data including: Full item description and optional features and accessories. Include dimensions, weights, materials, applications, standard compliance, and model numbers.
C. Certified copies of all the factory and construction site test data sheets and reports.
D. Complete operating and maintenance manuals including wiring diagrams, technical data sheets and information for ordering replacement parts:
1. Include complete list which indicates all components of the system.
2. Include complete diagrams of the internal wiring for each item of equipment.
3. Diagrams shall have their terminals identified to facilitate installation, operation and maintenance, and troubleshooting.
1.5 QUALITY ASSURANCE
A. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.
40 72 00 - 1
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1.6 WARRANTY.
A. Manufacturer's Warranty: Manufacturer's standard form in which manufacturer agrees to repair or replace components that fail in materials or workmanship within specified warranty period; 1. Warranty Period for Level Transducer, One year from date of Substantial Completion.
PART 2 - PRODUCTS
2.1 LEVEL TRANSDUCER
A. Scope:
Level Control System: Senses variations of wastewater level in well. The system shall utilize a submersible pressure transducer as the primary level detection device.
Redundant back up will be provided by two intrinsically safe, non-mercury mechanical floats.
1. Basis of Design (Pressure Transducer): PMC VL2000 series Submersible Level Transmitter, or Engineer pre-approved equal.
2. Existing Level Sensor Design (Mechanical Float): Refurbish existing mechanical float system or replace with OPTI-FLOAT Internally Weighted, Non-Mercury Float PART 3 - EXECUTION
3.1 STARTUP AND TESTING
A. Perform tests and inspections and include results in pump test reports;
1. Manufacturer's Field Service: Pump station testing and startup shall include testing of the level transduce and redundant mechanical float systems; B. Tests and Inspections:
1. After electrical circuitry has been energized, fill wet well with water and utilize the level transducer to start pumps to confirm the station can run at pre-specified design parameters. Run additional tests to confirm the redundant mechanical float system is operational;
2. Test and adjust controls and safeties.
Remove and replace components of the level transducer and mechanical float systesms that do not pass tests and inspections and retest as specified above. - - - E N D - - -
40 72 00 - 2
TECHNICAL PROVISIONS – ELECTRICAL
SECTION 260500 – COMMON WORK RESULTS FOR ELECTRICAL
SECTION 260504 – CLEANING, INSPECTION, AND TESTING OF ELECTRICAL EQUIPMENT SECTION 265113 – INTERIOR LIGHTING FIXTURES, LAMPS, AND BALLASTS
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SECTION 26 05 00
COMMON WORK RESULTS FOR ELECTRICAL
PART 1 - GENERAL
The electrical work included in all other divisions is the responsibility of the contractor performing the division 26 work unless noted otherwise.
PROJECT OVERVIEW
SCOPE
The work under this section includes basic electrical requirements, which are applicable to all Division 26 sections. This section includes information common to two or more technical specification sections or items that are of a general nature, not conveniently fitting into other technical sections.
RELATED WORK
Applicable provisions in other Sections of these Specification.
REFERENCE STANDARDS
Abbreviations of standards organizations referenced in this, and other sections are as follows:
ANSI American National Standards Institute
ASTM American Society for Testing and
Materials EPA Environmental Protection
Agency
ETL Electrical Testing Laboratories, Inc.
IEEE Institute of Electrical and Electronics Engineers
IES Illuminating Engineering Society
ISA Instrument Society of America
NBS National Bureau of Standards
NEC National Electric Code
NEMA National Electrical Manufacturers Association
NESC National Electrical Safety Code
NFPA National Fire Protection Association
NRTL Nationally Recognized Testing
Laboratory UL Underwriters Laboratories
Inc.
HBMC Hermosa Beach Municipal Code
REGULATORY REQUIREMENTS
All work and materials are to conform in every detail to applicable rules and requirements of the City of Hermosa Beach Municipal Code, the National Electrical Code (NFPA 70), other applicable National Fire Protection Association codes, the National Electrical Safety Code, and present manufacturing standards (including NEMA).
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All Division 26 work shall be done under the direction of a currently licensed State of California Master Electrician.
QUALITY ASSURANCE
Where equipment or accessories are used which differ in arrangement, configuration, dimensions, ratings, or engineering parameters from those indicated on the contract documents, the contractor is responsible for all costs involved in integrating the equipment or accessories into the system and the assigned space, and for obtaining the performance from the system into which these items are placed.
Manufacturer references used herein are intended to establish a level of quality and performance requirements unless more explicit restrictions are stated to apply.
All materials shall be listed by and shall bear the label of an approved Nationally Recognized Testing Laboratory (NRTL) as identified by the United States Occupational Safety and Health Administration
(OSHA), per the OSHA Nationally Recognized Testing Laboratory Program. If none of the approved electrical testing laboratories has published standards for a particular item, then other national independent testing standards, if available, applicable, and approved by DFD, shall apply and such items shall bear those labels. Where one of the approved electrical testing laboratories has an applicable system listing and label, the entire system, shall be so labeled.
The Contractor shall be a company with experience in the installation of medium voltage cable, medium voltage equipment and components. The company shall have documented history with a minimum of two similar medium voltage projects.
The contractor shall have a minimum of two qualified electricians trained and experienced (Minimum of two similar medium voltage projects) in the installation of medium voltage cable, medium voltage equipment and components.
At the discretion of the Engineer, documentation of experience, and relevant projects shall be furnished by the contractor.
Workmen involved in splicing and termination of cables shall have been specifically trained in the procedures required for the splices and terminations used in this project.
At the discretion of the Engineer, documentation of experience and/or training in medium voltage cable splicing and termination shall be furnished by the Contractor.
CONTINUITY OF EXISTING SERVICES AND SYSTEMS
No outages shall be permitted on existing systems except at the time and during the interval specified by the by the City of Hermosa Beach Project Representative. The institution may require written approval. Any outage must be scheduled when the interruption causes the least interference with normal institutional schedules and business routines. No extra costs will be paid to the Contractor for such outages which must occur outside of regular weekly working hours.
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This Contractor shall restore any circuit interrupted as a result of this work to proper operation as soon as possible. Note that institutional operations are on a seven-day week schedule.
PROTECTION OF FINISHED SURFACES
Furnish one can of touch-up paint for each different color factory finish furnished by the Contractor. Deliver touch-up paint with other "loose and detachable parts" as covered in the General Requirements.
APPROVED ELECTRICAL TESTING LABORATORIES
The following laboratories are approved for providing electrical product safety testing, listing and labeling services as required in these specifications:
A Nationally Recognized Testing Laboratory (NRTL) as identified by the United States Occupational Safety and Health Administration (OSHA), per the OSHA Nationally Recognized Testing Laboratory Program.
INTENT
The Contractor shall furnish and install all the necessary materials, apparatus, and devices to complete the electrical equipment and systems installation herein specified, except such parts as are specifically exempted herein.
If an item is either called for in the specifications or shown on the plans, it shall be considered sufficient for the inclusion of said item in this contract. If a conflict exists within the Specifications or exists within the Drawings, the Contractor shall furnish the item, system, or workmanship, which is the highest quality, largest, or most closely fits the City of Hermosa Beach’s intent (as determined by the City of Hermosa Beach Project Manager). Refer to the General Conditions of the Contract for further clarification.
It must be understood that the details and drawings are diagrammatic. The Contractor shall verify all dimensions at the site and be responsible for their accuracy.
All sizes as given are minimum except as noted.
Materials and labor shall be new (unless noted or stated otherwise), first class, and workmanlike, and shall be subject at all times to the City of Hermosa Beach's, tests and approval from the commencement until the acceptance of the completed work.
Whenever a particular manufacturer's product is named, it is intended to establish a level of quality and performance requirements unless more explicit restrictions are stated to apply.
OMISSIONS
No later than ten (10) days before bid opening, the Contractor shall call the attention of the City of Hermosa Beach’s to any materials or apparatus the Contractor believes to be inadequate and to any necessary items of work omitted.
SUBMITTALS
Submit for all equipment and systems as indicated in the respective specification sections, marking each submittal with that specification section number. Mark general catalog sheets and drawings to indicate specific items being submitted and proper identification of equipment by name and/or number, as indicated in the contract documents. Failure to
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do this may result in the submittal(s) being returned to the Contractor for correction and resubmission. Failing to follow these instructions does not relieve the Contractor from the requirement of meeting the project schedule.
On request from the City of Hermosa Beach, the successful bidder shall furnish additional drawings, illustrations, catalog data, performance characteristics, etc.
Submittals shall be grouped to include complete submittals of related systems, products, and accessories in a single submittal. Mark dimensions and values in units to match those specified. Include wiring diagrams of electrically powered equipment.
The submittals must be approved before fabrication is authorized.
Submit sufficient quantities of submittals to allow the following distribution:
Operating and Maintenance Manuals 2 copies
City of Hermosa Beach 1 copy
PROJECT/SITE CONDITIONS
Install Work in locations shown on drawings, unless prevented by project conditions.
Prepare drawings showing proposed rearrangement of work to meet project conditions, including changes to work specified in other sections. Obtain permission of City of Hermosa Beach before proceeding.
Tools, materials and equipment shall be confined to areas designated by the City of Hermosa Beach.
WORK SEQUENCE AND SCHEDULING
During the construction period coordinate electrical schedule and operations with City of Hermosa Beach’s Construction Representative.
WORK BY OTHER TRADES
Every attempt has been made to indicate in this trade's specifications and drawings all work required of this Contractor. However, there may be additional specific paragraphs in other trade specifications and addenda, and additional notes on drawings for other trades which pertain to this trade's work, and thus those additional requirements are hereby made a part of these specifications and drawings.
Electrical details on drawings for equipment to be provided by others are based on preliminary design data only. This Contractor shall lay out the electrical work and shall be responsible for its correctness to match equipment actually provided by others.
OFFSITE STORAGE
Prior approval by City of Hermosa Beach will be needed. The contractor shall submit Storage Agreement Form to City of Hermosa Beach for consideration of off-site materials storage. In general, building wire, conduit, fittings and similar rough-in material will not be accepted for off-site storage. No material will be accepted for off-site storage unless shop drawings for the material have been approved.
SALVAGE MATERIALS
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No materials removed from this project shall be reused unless specifically noted otherwise. All materials removed shall become the property of and shall be disposed of by the Contractor.
The following material shall be removed from service and turned over to the City of Hermosa Beach or user agency, at a site selected by the City of Hermosa Beach, in the same condition as when it was removed
CERTIFICATES AND INSPECTIONS
Obtain and pay for all required installation inspections, except those provided by the City of Hermosa Beach, in accordance with the Hermosa Beach Municipal Code. Deliver originals of these certificates to the City of Hermosa Beach's Project Representative.
The Electrical Contractor is responsible for coordination of City of Hermosa Beach electrical inspections. Prior to the start of significant on-site electrical work, the contractor shall schedule a pre-installation meeting with the City of Hermosa Beach Electrical Inspector to discuss the inspection requirements and review the contract requirements (also see Article 15 of the General Conditions). The Electrical Contractor shall be present when the Hermosa Beach Electrical Inspector conducts the electrical inspections.
OPERATION AND MAINTENANCE DATA
All operations and maintenance data shall comply with the submission and content requirements specified under section GENERAL REQUIREMENTS.
In addition to the general content specified under GENERAL REQUIREMENTS supply the following additional documentation:
1. Manufacturer’s wiring diagrams for electrically powered equipment.
2. All required passwords to gain local access to equipment and controllers.
RECORD DRAWINGS
The Contractor shall maintain at least one copy each of the specifications and drawings on the job site at all times.
The City of Hermosa Beach will provide the Contractor with a suitable set of contract drawings on which daily records of changes and deviations from contract shall be recorded. Dimensions and elevations on the record drawings shall locate all buried or concealed piping, conduit, or similar items.
The daily record of changes shall be the responsibility of Contractor's field superintendent.
No arbitrary mark-ups will be permitted.
At completion of the project, the Contractor shall submit the marked-up record drawings to the Architect/Engineer prior to final payment.
PART 2 - PRODUCTS
NO PRODUCTS SPECIFIED ON THIS SECTION
PART 3 - EXECUTION
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HOUSEKEEPING AND CLEAN UP
The Contractor shall clean up and remove from the premises, on a daily basis, all debris and rubbish resulting from its work and shall repair all damage to new and existing equipment resulting from its work. When job is complete, this Contractor shall remove all tools, excess material and equipment, etc., from the site.
END OF SECTION
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SECTION 26 05 04
CLEANING, INSPECTION, AND TESTING OF ELECTRICAL EQUIPMENT PART 1 - GENERAL
SCOPE
The work under this section includes the required cleaning, inspection, adjustment, maintenance and testing of electrical equipment, as specified herein. This applies only to new electrical and existing electrical equipment being furnished, modified, worked on or serviced by this contractor for this project. Included are the following topics:
PART 2 - PRODUCTS
No products specified.
PART 3 - EXECUTION
GENERAL INSPECTION AND CLEANING OF ALL ELECTRICAL EQUIPMENT Inspect for physical damage and abnormal mechanical and electrical conditions.
Any item found to be out of tolerance, or in any other way defective as a result of the required inspection or testing, shall be reported to the City of Hermosa Beach. Procedure for repair and/or replacement will be outlined. After appropriate corrective action is completed the item shall be re-tested.
Compare equipment nameplate information with the latest single line diagram and report any discrepancies.
Verify proper auxiliary device operation and indicators.
Check tightness of accessible bolted electrical joints. Use torque wrench method.
Make a close examination of equipment and remove any shipping brackets, insulation, packing, etc. that may not have been removed during original installation.
Make a close examination of equipment and remove any dirt or other forms of debris that may have collected in existing equipment or in new equipment during installation.
Clean All Equipment:
Vacuum inside of panelboards, switchboards, switchgear, and the exterior of all Communications and Electronic Safety and Security hardware and equipment.
Loosen attached particles and vacuum them
away. Wipe all insulators with a clean, dry, lint
free rag.
Clean insulator grooves.
Re-vacuum inside surfaces as directed by the City of Hermosa Beach Construction Representative or Inspector
Inspect equipment anchorage.
Inspect equipment and bus alignment.
Check all heater elements for operation and control.
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Lubricate nonelectrical equipment per manufacturer's recommendations.
GROUNDING SYSTEMS
Inspect the ground system for adequate termination at all devices.
SWITCHBOARDS (LOW VOLTAGE)
Visual and Mechanical Inspection:
Inspect for physical, electrical and mechanical conditions. Re-torque all bolted connections.
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Compare equipment nameplate information with latest single line diagram and report discrepancies.
Inspect for proper alignment, anchorage and grounding
All doors, panels and sections shall be inspected for paint, dents, scratches, and fit.
Vacuum clean the switchboard enclosure.
All active components shall be exercised and cleaned where possible.
All indicating devices shall be inspected for proper operation.
PANELBOARDS
Torque all the connections per the manufacturers spec. Verify phase wires, color coding, separate neutral and mechanical bonding. Verify circuit breaker operation. Verify the directory.
Vacuum clean the panelboard enclosure.
MANHOLES
Check cable racking and system grounding in all manholes.
Verify all cable labels.
LIGHT FIXTURES
Check the bonding and proper lamping. Verify that recessed fixtures are installed with hold down clips.
Confirm operation of the fixture with the proper switch or sensor.
BATTERY PACK EMERGENCY LIGHTING
Verify the operation per the manufacturers spec and run all of the diagnostic steps.
Confirm proper grounding and location.
UPS SYSTEM
Operate and test the system per the manufacturers spec. Confirm the batteries and liquid level along with the transfer scheme.
After the generator has cooled down from the four hour test, shut it down and then simulate a power failure including operation of the transfer switch, automatic cycle, and automatic shutdown and return to normal.
Check the automatic transfer switches and automatic start circuits for proper function.
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COMMUNICATIONS AND ELECTRONIC SAFETY AND SECURITY
At equipment rooms:
Check all cable and connectors for proper installation and support.
Visually inspect cables, lugs, connectors and all other components for physical damage and proper connections.
Confirm cable bends to comply with manufacturer's minimum allowable bending radii.
Inspect for proper shield grounding, cable support and
termination. Confirm all dust caps and blank panels are in place.
Wipe down all equipment racks and cabinets, enclosures, cable supports, cable organizers, termination hardware and related items.
Coordinate cleaning schedule to provide a secure, dust and contaminant-free environment as required to accommodate all trade’s equipment that will be positioned in the room. This condition likely will precede general occupancy.
Refer to Division 27 and 28 specification sections that may include additional requirements.
END OF SECTION
Hermosa Beach Parking Structure Lot C Improvements
26 05 04 - 2
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
Hermosa Beach Parking Structure Lot C Improvement
26 51 13 - 1
SECTION 26 51 13
INTERIOR LIGHTING FIXTURES, LAMPS, AND BALLASTS
PART 1 - GENERAL
SCOPE
The work under this section includes interior luminaires and accessories, exit signs, and building-mounted exterior lighting. Included are the following topics:
RELATED WORK
Applicable provisions of Division 1 govern work under this Section.54f Section 26 08 00 – Commissioning of Electrical
Section 26 27 26 – Wiring Devices
REFERENCE STANDARDS
RoHS – Restriction of Hazardous Substances. Council of the European Union (EC) Directive 2002/95/EC on the restriction of the use of certain hazardous substances in electrical and electronic equipment.
LM-79-08 (or latest) – IES Approved Method for the Electrical and Photometric Measurements of Solid- State Lighting Products.
LM-80-08 (or latest) – IES Approved Method for Measuring Lumen Maintenance of LED Light Sources.
TM-21-11 (or latest) – IES Technical Memorandum on Projecting Long Term Lumen Maintenance of LED Light Sources.
NEMA SSL 1-2010 (or latest) – Electronic Drivers for LED Devices, Arrays, or Systems.
SUBMITTALS
Include outline drawings, lamp and ballast data, support points, weights, accessory information and performance data for each luminaire type.
For each luminaire type, submit luminaire information including catalog cuts with highlighted catalog numbers and required accessories:
• Luminaire:
o Manufacturer and catalog number, o
Delivered lumens,
o Input watts, o
Efficacy, o
Color rendering
index.
• Driver:
o Manufacturer and catalog number, o
Type (Non-Dimming, Step-dimming,
Continuous dimming, etc.), o Power Factor,
Crest Factor, THD, etc.
OPERATION AND MAINTENANCE DATA
All operations and maintenance data shall comply with the submission and content requirements specified under section GENERAL REQUIREMENTS.
EXTRA MATERIALS
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
Hermosa Beach Parking Structure Lot C Improvement
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Provide one (1) of each type of luminaire.
Provide one (1) LED driver of each type.
DEFINITIONS
Driver: The power supply used to power LED luminaires, modules, or arrays.
L70, L70, or L70%: The reported life of an LED component or system to reach 70% lumen maintenance, or 70% of the LED’s original light output.
LED’s: Broadly defined as complete luminaire with light emitting diode (LED) packages, modules, light bars or arrays, complete with driver.
LED luminaire failure: Negligible light output from more than 10 percent of the LEDs, or less than 70 percent of the listed lumen output constitutes luminaire failure.
PART 2 - PRODUCTS
INTERIOR LUMINAIRES AND ACCESSORIES
See the Luminaire Schedule on the drawings for types of luminaires and catalog numbers.
Catalog numbers are shown on the drawings for quality and performance requirements only. Luminaires manufactured by others are equally acceptable provided they meet or exceed the performance of the indicated luminaires and meet the intent of the design.
Luminaire shall be listed by a NRTL (Nationally Recognized Testing Laboratory: e.g. UL, ETL, etc.).
Provide luminaires with quick-connect disconnecting means similar to Thomas & Betts Sta-Kon.
GENERAL USE LAMPS
General Use Incandescent Lamps and Incandescent Reflector Lamps are prohibited. Use LED retrofit lamps or LED luminaires in lieu of incandescent or halogen luminaires. LED retrofit lamps shall be:
• Rated for the voltage of the incandescent lamp/luminaire they are replacing.
Dimmable where required as indicated on the plans.
• Rated for the luminaire in which they are being installed. Verify whether the luminaire is enclosed and whether the LED retrofit lamp is rated for enclosed luminaires and the temperatures that will be encountered. • LED lamps/luminaires shall provide delivered footcandles equal to or greater than the footcandles provided by an equivalent incandescent lamp/luminaire. • LED retrofit lamps shall have an average rated life of 25,000 hours, minimum. • Lamp color temperature shall be nearly equal to the incandescent lamp it is replacing.
All lamps shall be new.
LED LUMINAIRES
• LED Luminaires shall meet all DesignLights Consortium® (DesignLights.org) Product Qualification Criteria. This does not require that the luminaire be listed on the DesignLights Consortium’s® Qualified Products List, but they must meet the Product Qualification Criteria. The technical requirements that the luminaire shall meet for each Application Category are:
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
Hermosa Beach Parking Structure Lot C Improvement
26 51 13 - 3
o Minimum Light Output. o
Zonal Lumen
Requirements. o
Minimum Luminaire
Efficacy.
o Minimum CRI. o L70
Lumen Maintenance.
o Minimum Luminaire
Warranty of 5 years (not
pro-rated) to include LED
driver and all LED
components.
Additional requirements:
• Color Temperature of 3000K-4100K for interior luminaires as listed in the Luminaire Schedule on the plans. The color temperature of exterior LED luminaires should not exceed 4100K (nominal).
• Color Consistency: LED manufacturer shall use a maximum 3-step MacAdam Ellipse binning process to achieve consistent luminaire-to-luminaire color for interior luminaires. Exterior luminaires shall use a maximum 5-step MacAdam Ellipse binning process.
• Glare Control: Exterior luminaires shall meet DesignLights Consortium’s® criteria for Zonal Lumen Distribution requirements or Backlight-Uplight-Glare (BUG) standards for exterior luminaires.
• Luminaire shall be mercury-free, lead-free, and RoHS compliant. • Luminaire shall comply with FCC 47 CFR part 15 non-consumer RFI/EMI standards.
• Light output of the LED system shall be measured using the absolute photometry method following IES LM-79 and IES LM-80 requirements and guidelines. • Luminaire shall maintain 70% lumen output (L70) for a minimum of 50,000 hours.
Lumen output shall not depreciate more than 20% after 10,000 hours of use. • Luminaire and driver shall be furnished from a single manufacturer to ensure compatibility.
• Luminaire Color Rendering Index (CRI) shall be a minimum of 80 for interior luminaires, and a minimum of 70 for exterior luminaires. • LED luminaire shall be thermally designed as to not exceed the maximum junction temperature of the LED for the ambient temperature of the location the luminaire is to be installed. Rated case temperature shall be suitable for operation in the ambient temperatures typically found for the intended installation. Exterior luminaires to operate in ambient temperatures of -40°F to 104°F (- 40°C to 40°C).
• Luminaire shall operate normally for input voltage fluctuations of plus or minus 10 percent.
• Luminaire shall have a maximum Total Harmonic Distortion (THD) of <20% at full input power and across specified voltage range.
• All connections to luminaires shall be reverse polarity protected and provide high voltage protection in the event connections are reversed or shorted during the installation process. All luminaires shall be provided with knockouts for conduit connections.
• The LED luminaire shall carry a limited 5-year warranty minimum for LED light engine(s)/board array, and driver(s).
• Provide all of the following data on submittals:
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
Hermosa Beach Parking Structure Lot C Improvement
26 51 13 - 4
o Delivered lumens o
Input watts o
Efficacy o Color
rendering index.
LED Luminaires used for Emergency Egress Lighting:
• The failure of one LED shall not affect the operation of the remaining LEDs.
Emergency LED Luminaire Compatibility with Inverters:
• Emergency Inverters shall be sine-wave type, or have written confirmation from the luminaire manufacturer that the luminaire will function with a square-wave inverter.
LED DRIVERS
General:
• Provide driver type (non-dimmed, step-dimmed, continuous-dimming, etc.) as indicated on the luminaire schedule on the drawings.
• Minimum Warranty of 5 years (not pro-rated) to include LED driver and all LED components.
• Driver shall have a rated life of 50,000 hours, minimum. • Driver and LEDs shall be furnished from a single manufacturer to ensure compatibility.
• Driver shall have a minimum power factor (pf) of 0.9 and a maximum crest factor (cf) of 1.5 at full input power and across specified voltage range. • Driver shall operate normally for input voltage fluctuations of plus or minus 10 percent.
• Driver shall have a maximum Total Harmonic Distortion (THD) of <20% at full input power and across specified voltage range.
• Wiring connections to LED drivers shall utilize polarized quick-disconnects for field maintenance.
• Fuse Protections: All luminaires shall have built-in fuse protection. All power supply outputs shall be either fuse protected or be Polymeric Positive Temperature Coefficient (PTC)-protected as per Class 2 UL listing.
• Provide all of the following data on submittals:
o Input watts o Power
Factor (pf) o Crest
Factor (cf) at full input
power o Total
Harmonic Distortion
(THD).
Dimming Drivers:
• LED driver shall be compatible with dimming controls where dimming is indicated on the plans. Dimmable drivers shall use Dimming Constant Current (DCC), Constant Voltage, or Pulse Width Modulation (PWM) operation. • Step-Dimming Drivers: Easily switched from 0% to 50% to 100% output power.
Both switch-leg inputs shall control 50% of the luminaire’s light output equally. • Continuous Dimming Drivers: LED luminaires shall dim to (10%, 1%, or 0.1%) as specified in the Luminaire Schedule on the plans without visible flicker or “popcorn effect”. “Popcorn effect” is defined as the luminaire being on a pre-set dimmed level (less than 100%), and going to 100% prior to returning to the pre-set level when power is returned to the luminaire. Continuous
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
Hermosa Beach Parking Structure Lot C Improvement
26 51 13 - 5
Dimming Drivers shall use 0-10V contro
PART 3 - EXECUTION
INSTALLATION
Verify ceiling types with Architectural plans or with existing ceilings. Verify specified luminaires are compatible with specified ceiling type(s) prior to ordering luminaires.
Install in accordance with manufacturer’s instructions.
Install suspended luminaires using aircraft cable, or pendants supported from swivel hangers. Heavy duty chain supports may be used where indicated on the luminaire schedule. Provide aircraft cable, pendants, or chain lengths required to suspend luminaire at indicated height. All aircraft cables or pendant supported luminaires shall have an independent support to structure at all cable or pendant support locations. When chain is used, tie-wrap the luminaire wiring method to the chain.
Support luminaires larger than 2 x 4 foot (600 x 1200 mm) size independent of ceiling framing.
Provide independent support for all luminaires over 50 lbs.
Locate ceiling luminaires as indicated on reflected ceiling plan.
Install surface mounted luminaires and exit signs plumb and adjust to align with building lines and with each other. Secure to prohibit movement.
The Contractor shall install luminaire supports as required. Luminaire installations with luminaires supported only by insecure boxes will be rejected. It shall be the Contractor's responsibility to support all luminaires adequately, providing extra steel work for the support of luminaires if required. Any components necessary for mounting luminaires shall be provided by the Contractor. No plastic, composition or wood type anchors shall be used.
Install code required hardware to secure recessed grid-supported luminaires in place.
Install accessories furnished with each luminaire.
Make wiring connections to branch circuit using building wire with insulation suitable for temperature conditions within luminaire.
Bond luminaires and metal accessories to branch circuit equipment grounding conductor.
Install specified lamps in each luminaire and exit sign.
HID High-Bay or Low-Bay Luminaires: Use power hook hangers rated 500 pounds (225 kg) minimum and provide safety chain between ballast and structure. Also provide safety chain between reflector and ballast.
Dimmed luminaire circuits shall have separate neutrals.
Dimmed LED luminaires shall have a positive OFF, which requires turning off the circuit to the luminaire so that the luminaires don’t “glow” at the lowest dimmed setting. This shall be accomplished using a switch, relay, or some other means acceptable to City of Hermosa Beach.
City Of Hermosa Beach Construction Document
Parking Structure Lot “C” Improvements January 2025
C.I.P No. 699
Hermosa Beach Parking Structure Lot C Improvement
26 51 13 - 6
All new luminaires shall be operational at the Substantial Completion of the project.
ADJUSTING AND CLEANING
Align luminaires and clean lenses and diffusers at completion of Work. Clean paint splatters, dirt, and debris from installed luminaires.
Aim and adjust luminaires as indicated on Drawings.
Touch up luminaire finish at completion of wo
FIELD QUALITY CONTROL
Operate each luminaire after installation and connection. Inspect for proper connection and operation.
LUMINAIRE CONNECTIONS
METAL-CLAD (MC) CABLE WHIPS
Metal-Clad (MC) type cable that combines power and Class 2 circuits into a single cable may be used for luminaire whips where 0-10V dimming control wiring is required. Whips may not exceed six (6) feet in length. Examples of such products are Encore Wire® MC-LEDTM or Southwire® MC-PCS DuoTM. Manufacturer's names and catalog numbers are used for quality and performance only. MC Cables manufactured by others shall be equally acceptable provided they meet or exceed in performance and quality as specified.
Surface Mounted (unfinished spaces):
• Provide direct conduit and box connection.
Surface Mounted (finished spaces):
• Provide direct conduit and box connection. Use surface metal raceway where indicated on drawings. Conceal box and conduit where appropriate. Flexible metal conduit shall not be used where the conduit is exposed.
CONSTRUCTION VERIFICATION
Contractor is responsible for utilizing the construction verification checklists supplied under specification Section 26 08 00 in accordance with the procedures defined for construction verification in Section 01 91 01 or 01 91 02.
END OF SECTION
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CIP No. 699
PARKING STRUCTURE LOT “C” IMPROVEMENTS
VII. SPECIAL PROVISIONS
The following Special Provisions supplement and amend the 2021 Standard Specifications for Public Works Construction (SSPWC). These Special Provisions have been arranged into a format and sequence that parallels the Standard Specifications for Public Works Construction.
SP-2
TABLE OF CONTENTS
PART 1 – GENERAL PROVISIONS4
PREFACE: STANDARD SPECIFICATIONS AND STANDARD DRAWINGS..................................... SP-4 SECTION 1 – GENERAL............................................................................................................. SP-4 1-2 TERMS AND DEFINITIONS......................................................................................... SP-4 SECTION 2 – SCOPE OF THE WORK.......................................................................................... SP-4 2-2 PERMITS.................................................................................................................... SP-4 2-5 THE CONTRACTOR’S EQUIPMENT AND FACILITIES. ................................................. SP-5 2-5.5 Contractor’s Responsibility for Work. ................................................................... SP-5 2-5.6 Notice and Service Thereof. .................................................................................. SP-5
2.11 RETENTION OF IMPERFEFCT WORK...................................................................... SP-6 SECTION 3 – CONTROL OF THE WORK. ................................................................................... SP-6 3-6 THE CONTRACTOR’S REPRESENTATTIVE. ................................................................. SP-6 3-7 CONTRACT DOCUMENT. .......................................................................................... SP-7 3-8 SUBMIITALS. ............................................................................................................. SP-7 3-13 COMPLETION, ACCEPTANCE, AND WARRANTY. ................................................... SP-8 SECTION 5 - LEGAL RELATIONS AND RESPONSIBILITIES. ......................................................... SP-8 5-4 INSURANCE............................................................................................................... SP-8 5-7 SAFETY. ..................................................................................................................... SP-9 5-8 LAWS TO BE OBSERVED.......................................................................................... SP-10 5-9 FAIR EMPLOYMENT PRACTICE COMMISSION CERTIFICATION............................... SP-12 SECTION 6 – PROSECTION AND PROGRESS OF THE WORK. .................................................. SP-12 6-1 CONSTRUCTION SCHEDULE AND COMMENCEMENT OF THE WORK...................... SP-12 6-9 LIQUIDATED DAMAGES. ......................................................................................... SP-14 SECTION 7 – MEASUREMENT AND PAYMENT....................................................................... SP-14 7-3 PAYMENT................................................................................................................ SP-14 SECTION 9 – SPECIFIC CONDITIONS. .................................................................................... SP-19 9-1 WORK AREA ................................................................................................................... SP-19
SP-3
9-1.1 Work Area Access................................................................................................. SP-19 9-1.2 Work Area Maintenance...................................................................................... SP-19 9-1.4 Contractor’s Temporary Facilities........................................................................ SP-19 9-2 CONSTRUCTION MANAGEMENT SOFTWARE .......................................................................... SP-20 9-2.1 Procore Software.................................................................................................. SP-20 EXHIBIT “A” - SCHEDULE OF PERFORMANCE ....................................................................SP-21 EXHIBIT “B” - SOLID WASTE REPORTING ..........................................................................SP-22 EXHIBIT “C” - CONSTRUCTION NOTICE TEMPLATE …………………………………………………………. SP-24 EXHIBIT “D”- HAUL ROUTES ………………………………………………………………………………………… SP-25
SP-4
PART 1 – GENERAL PROVISIONS
PREFACE: STANDARD SPECIFICATIONS AND STANDARD DRAWINGS
The Standard Specifications for Public Works Construction (SSPWC), written and promulgated by the Southern California Chapter of the American Public Works Association and the Southern California Districts of the Associated General Contractors of California, shall be the Standard Specifications of the Owner. All work shall conform to the edition indicated in this document and in the bid proposal documents, including supplements, of the SSPWC, these Special Provisions which supplement or modify the SSWPC, the Standard Plans for Public Works Construction (SPPWC) of the same edition as the SSPWC, and the Standard Drawings as issued by the City available at the time bids are opened unless otherwise specified in the Contract Documents.
The above referenced Standard Specifications, Special Provisions and Standard Drawings are hereby made a part of the Contract Documents.
SECTION 1 – GENERAL
1-2 TERMS AND DEFINITIONS.
Whenever the following terms are used in the SSPWC, they shall be understood to mean and refer to the following:
a) Board – The City Council of the City of Hermosa Beach b) Contract Documents – Documents including but not limited to the proposal forms, Special Provisions, Bonds, Insurance, Contract, and all Addenda setting forth any modifications to the documents.
c) Engineer – The Director of Public Works/City Engineer or their authorized representative d) Bidder – An individual, co-partnership, association, or corporation submitting a proposal for the work contemplated, acting directly or through a duly authorized representative. e) Legal Address of Contractor – The address given on the Contractor’s bid and is hereby designated as the place to which all notices, letters or other communications to the Contractor shall be mailed or delivered.
SECTION 2 – SCOPE OF THE WORK.
2-2 PERMITS.
Add the following:
Prior to beginning work, the Contractor shall obtain authorization and permits from the City of Hermosa Beach. The Contractor will be responsible to protect and preserve all property and improvements in accordance with the Contract Documents.
The Contractor must have or obtain a valid City of Hermosa Beach Business License in accordance with the provisions of the Hermosa Beach Municipal Code.
Building Permit
A Building Permit is required to work within a building structure and will be issued at no cost to
SP-5
the Contractor.
Electrical/Plumbing/Mechanical Permits
Electrical/Plumbing/Mechanical Permits are required to work within a building structure and will be issued at no cost to the Contractor.
City Encroachment/Right of Way Permit
A City Encroachment/Right of Way Permit is required to work within public right-of-way and will be issued at no cost to the Contractor.
Other Encroachment/Right of Way Permits
When work occurs in the right-of-way of other entities, the Contractor shall obtain a no fee right of way permit as required for an encroachment from that entity. 2-5 THE CONTRACTOR’S EQUIPMENT AND FACILITIES.
2-5.4 Haul Routes.
Replace the entire subsection with the following:
Haul Routes shall be per the City of Hermosa Beach Truck Routes map.
Add the following subsections:
2-5.5 Contractor’s Responsibility for Work.
Until the formal acceptance of the work by the City, the Contractor shall have the charge and care thereof and shall, subject to the insurance protection furnished, bear the risk of accident, loss or damage to any part thereof by action of the elements or from any other cause, whether arising from the execution or from the non-execution of the work. The Contractor shall rebuild, repair, restore and otherwise correct damages to any portion of the work occasioned by any of the above causes before its acceptance.
In case of suspension of work from any cause whatever, the Contractor shall be responsible for all materials and the proper temporary storage thereof.
2-5.6 Notice and Service Thereof.
Any notice required or given by one party to the other under the Contract shall be in writing and shall be dated and signed by the party giving such notice or by a duly authorized representative of such party. Any such notice shall not be effective for any purpose whatever unless served in the following manner:
Notice shall be given to the City by personal delivery thereof to the City’s Engineer or by depositing the same in the United States mail enclosed in a sealed envelope, registered and with postage prepaid, addressed to:
Public Works Department
City of Hermosa Beach
1315 Valley Dr.
Hermosa Beach, CA 90254
SP-6
Notice shall be given to the Contractor by personal delivery thereof to said Contractor or to his authorized representative at the site of the project, or by depositing the same in the United States mail, enclosed in a sealed envelope addressed to said Contractor at the address established for the conduct of the work under this Contract, postage prepaid and registered.
Notice shall be given to the Surety, or any other person, by personal delivery to said Surety or other person, or by depositing the same in the United States Mail, enclosed in a sealed envelope addressed to such Surety or persons at the address of said Surety or persons last communicated to the party giving the notice, postage prepaid and registered. 2-5.7 Warranty of Title.
No materials, supplies, or equipment for the work under this Contract shall be purchased subject to any chattel mortgage or under a conditional sale contract or other agreement by which an interest therein or any part thereof is retained by the seller or supplier. The Contractor warrants clear and good title to all materials, supplies, and equipment installed and incorporated in the work, and agrees upon completion of all work to deliver the premises, together with all improvements and appurtenances constructed or placed thereon by them to the City free from any claims, liens, encumbrances, or charges, and further agrees that neither they nor any person, firm, or corporation furnishing any material or labor for work covered by the Contract shall have any right to a lien upon the premises or any improvement or appurtenance thereon; provided, that this shall not preclude the Contractor from installing metering devices or other equipment of utility companies the title of which is commonly retained by the utility company.
Nothing contained in this section, however, shall defeat or impair the right of such persons furnishing materials or labor under any bond given by the Contractor for their protection, or any right under any law permitting such persons to look to funds due the Contractor, which are in the hands of the City.
2.11 RETENTION OF IMPERFEFCT WORK.
If any portion of the work done or materials furnished under the contract proves defective or not in accordance with the specifications and contract drawings, and if the imperfection in the same is not of sufficient magnitude or importance to make the work dangerous or undesirable, or if the removal of such work is impracticable or will create conditions which are dangerous or undesirable in the opinion of the Engineer, the Engineer shall have the right and authority to retain the work instead of requiring it to be removed and reconstructed, but he shall make such deductions therefor in the payment due the Contractor as may be just and reasonable.
SECTION 3 – CONTROL OF THE WORK.
3-6 THE CONTRACTOR’S REPRESENTATTIVE.
Add the following:
The Contractor shall provide the Engineer with the name, address, and business and home telephone numbers of the person responsible for the maintenance of barricades, traffic control signs, lights and other safety devices.
SP-7
3-7 CONTRACT DOCUMENT.
3-7.2 Precedence of Contract Documents.
Replace the entire subsection with the following:
If there is a conflict between any of the Contract Documents, the document highest in the order of precedence shall control. The order of precedence, from highest to lowest, shall be as follows:
1. Requirements of law, including the Code and Ordinances of the City of Hermosa Beach.
2. Permits from other agencies as may be required by law.
3. Permits from City of Hermosa Beach Departments as may be required by law or ordinance.
4. The Contract.
5. The Bid Proposal.
6. Addenda.
7. Notice Inviting Bids.
8. Instructions to Bidders.
9. Special and General Provisions.
10. Plans.
11. City of Hermosa Beach Standard Plans.
12. Other Standard Plans.
13. Standard Specifications for Public Works Construction.
14. Reference Specifications.
Change orders, supplemental agreements, and approved revisions to Plans and Specifications will take precedence over documents listed above, except those listed as FIRST, SECOND, and THIRD. Detailed plans shall have precedence over general plans. 3-8 SUBMIITALS.
3-8.1 General.
Add the following:
The Contractor shall submit the following submittals within ten (10) days of notification of the City’s intent to award this contract:
• Project Construction Schedule, sequence, and phase sequence plan • Preconstruction video on USB, 2 copies
• Copy of City Business License (Prime and Subcontractors) • 24 Hr. Emergency Phone Call List
• Letters identifying site authorized contractor’s representative or “Superintendent” and contractor’s “Competent Person”
• WPCP / Best Management Practices
SP-8
• All submittals required as per Technical Specifications section of this document and project plans.
• And others as requested by the Engineer
3-13 COMPLETION, ACCEPTANCE, AND WARRANTY.
Add the following subsection:
3-13.4 Completion and Acceptance.
In addition to the guarantees as required in Section 2-4 of the Standard Specifications, the Faithful Performance Bond shall remain in full force and effect for a period of one year after acceptance of the work by the Owner to insure that defects, which appear within said period, will be repaired, replaced, or corrected by the Contractor, at its own cost and expense, to the satisfaction of the Engineer within thirty (30) days after written notice thereof by the City.
SECTION 5 - LEGAL RELATIONS AND RESPONSIBILITIES.
5-3 LABOR.
Add the following subsection:
5-3.6 Laws.
Each bidder must submit with the Bid Proposal a fully executed Certificate of Non- Discrimination by Contractors. Bids will not be considered unless accompanied by the completed Certificate.
After the opening of bids and the determination of the low bidder, said low bidder shall submit to the Public Works Department, no later than 5:00 P.M. on the third working day following the bid opening, a completed “Fair Employment Practices Contractor Compliance Report”.
The Contractor shall comply with all applicable provisions of Sections 1776, 1777.5 and 1777.7 of the Ca l i f o r n i a L a b o r Code. The Contractor shall be responsible for compliance with Section 1776 and shall insert a provision in all subcontracts requiring subcontractors to comply with said section.
The Contractor is prohibited from performing work on this project with a subcontractor who is ineligible to perform work on the project pursuant to Section 1777.1 or 1777.7 of the Labor Code. 5-4 INSURANCE.
Replace the entire subsection with the following:
The Contractor shall, at its expense, maintain in effect all times during the performance of work under the Contract not less than the following coverage and limits of insurance, which shall be maintained with insurers licensed to sell insurance in the State of California and having a “A-“or higher rating in the latest edition of Best’s Insurance Guide, and shall be subject to approval by the City’s Risk Manager:
Workers’ Compensation and Employer’s Liability
• Workers’ Compensation – coverage as required by law
SP-9
• Employer’s Liability – limits of at least $1,000,000 per occurrence Comprehensive General Liability
• Combined Single Limit - $2,000,000
Automobile Liability
• Combined Single Limit - $1,000,000
The automobile and general comprehensive liability policies may be combined in a single policy with a combined single limit of $1,000,000.
All of the Contractor’s policies shall contain an endorsement providing written notice shall be given to the City at least 30 calendar days prior to termination, cancellation or reduction of coverage in the policy
The Bodily Injury and Property Damage Liability policies shall contain the following:
1. An endorsement extending coverage to the City as an insured, in the same manner as the named insured as respects liabilities arising out of the performance of any work under the Contract. Such insurance shall be primary insurance as respects the interest of the City, and any other insurance maintained by the City shall be excess and not contributing insurance with the insurance required hereunder.
2. “Severability of Interest” clause.
3. Elimination of any exclusion regarding loss or damage to property caused by explosion or resulting from collapse of buildings or structures or damage to property underground, commonly referred to by insurers as the “XCU” hazards.
4. Provision or endorsement stating that such insurance, subject to all of its other terms and conditions, applies to the liability assumed by the Contractor under the Contract.
Promptly on execution of the Contract, and prior to commencement of any work, the Contractor shall deliver to the City copies of all required policies and endorsements thereto on the forms supplied by the City.
The Contractor shall require and verify similar insurance on the part of its subcontractors.
The foregoing requirements as to the types, limits and City approval of insurance coverage to be maintained by the Contractor are not intended to and shall not in any manner limit or qualify the liabilities and obligation assumed by the Contractor under the Contract.
Any policy or policies of insurance that the Contractor or his Subcontractors elects to carry as insurance against loss or damage to their construction equipment and tools or other personal property used in fulfillment of this contract shall include a provision waiving the insurer’s right of subrogation against the City.
The cost of all insurance shall be included in the contractor’s bid. 5-7 SAFETY.
Add the following subsection:
SP-10
5-7.9 Emergency Provisions.
Unusual conditions may arise on the work which will require that immediate and unusual provision be made to protect the public from danger or loss or damage to life and property, due directly or indirectly to the prosecution of the work, and it is part of the service required of the Contractor to make such provisions and to furnish such protection.
Whenever, in the opinion of the City, an emergency exists of which the City is aware and against which the Contractor has not taken sufficient precaution for the safety of the public or the protection of utilities or of adjacent structures or property which may be injured by the progress of construction; and whenever, in the opinion of the City, immediate action shall be considered necessary in order to protect public or private personnel or property interests, or prevent likely loss of human life or damage on account of the operations under the Contract, then in that event the City may provide suitable protection to said interests by causing such work to be done and material to be furnished, as in the opinion of the City may seem reasonable and necessary, all at the expense of the Contractor.
Add the following subsections:
5-8 LAWS TO BE OBSERVED.
5-8.1 Laws and Regulations.
The Contractor shall keep himself fully informed of all Federal and State laws, County and City ordinances and regulations which, in any manner, affect those engaged or employed on the work, the materials used in the work or the conduct of the work. If any discrepancy or inconsistency should be discovered in this contract or in the Plans or Specifications herein referred to, in relation to any such law, ordinance or regulation, the Contractor shall forthwith report the same in writing to the Engineer. The Contractor shall, at all times, observe and comply with and shall cause all his agents and employees to observe and comply with all such applicable laws, ordinances and regulations in effect or which may become effective before completion of this contract. He shall protect and indemnify the City and its officers and agents against any claim or liability arising from or based on the violations of any such laws, ordinances or regulations whether by himself or by his employees or his subcontractors or their employees.
Except as otherwise explicitly provided in these specifications, all permits and licenses necessary to the prosecution of the work shall be secured by the Contractor at his own expense and he shall pay all taxes properly assessed against his equipment or property used or required in connection with the work.
All state laws, all county and city ordinances and regulations now imposed by competent authority and relating to any materials required to be furnished under these specifications and works required to be done hereunder, shall be deemed to be and hereby are made controlling and part of these specifications.
5-8.2 General.
The Contractor shall keep himself fully informed of all existing state and national laws and municipal ordinances and regulations which in any manner affect those engaged or employed in the work, or the materials used in the work or which in any way affect the conduct of the work and of all such orders and decrees of bodies or tribunals having any jurisdiction or authority over
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the same.
5-8.3 Eight-Hour Law.
Eight (8) hours labor constitutes a legal day's work. The Contractor shall forfeit as a penalty $25.00 (Twenty-five dollars) for each workman employed in the execution of the contract by the Contractor or any subcontractor under him for each calendar day during which such workman is required or permitted to work more than eight (8) hours in any one calendar day and forty (40) hours in any one calendar week in violation of the provisions of the Labor Code and in particular, Section 1810 to Section 1815 thereof inclusive except that work performed by employees of Contractors in excess of eight (8) hours per day and forty (40) hours during any one week, shall be compensated at not less than one and one-half (1 1/2) times the basic rate of pay as provided in Section 1815.
5-8.4 Prevailing Rate of Per Diem Wages.
Pursuant to the provisions of Section 1773 of the Labor Code, the general prevailing wage rates in the County in which the work is to be done have been determined by the Director of the California Department of Industrial Relations. These wages are set forth in the General Prevailing Wage Rates. The Federal Minimum wage rates for this project as predetermined by the United States Secretary of labor are set forth herein by addenda and in copies that may be examined at the offices described above where project plans, special provisions, and proposal forms may be seen. Addenda to modify the federal minimum wage rates, if necessary, will be issued to holders. Future effective general prevailing wage rates which have been predetermined and are on file with the California Department of Industrial Relations are referenced but not printed in the general prevailing wage rates.
Attention is directed to the Federal minimum wage rate requirements in these Special Provisions.
If there is a difference between the minimum wage rates predetermined by the Secretary of labor and the general prevailing wage rates determined by the Director of the California Department of Industries Relations for similar classifications of labor, the Contractor and subcontractor shall pay not less than the higher wage rate. The City will not accept lower State wage rates not specifically included in the Federal minimum wage determination. This includes “helper” (or other classifications based on hours of experience) or any other classifications not appearing in the Federal wage rate determination. Where Federal wage determinations do not contain the State wage rate determination otherwise available for use by the Contractor and subcontractor, the Contractor and subcontractor shall pay not less than the Federal minimum wage rate which most closely approximates the duties of the employees in question.
The U.S. Department of Transportation (DOT) provides a toll-free “hotline” service to report bid rigging activities. Bid rigging activities can be reported Mondays through Fridays, between 8:00 a.m. and 5:00 p.m., eastern time, Telephone No. 1-800-424-9071. Anyone with knowledge of possible bid, bidder collusion, or other fraudulent activities should use the “hotline” to report these activities. The “hotline” is part of the DOT’s continuing effort to identify and investigate highway construction contract fraud and abuse and is operated under the direction of the DOT Inspector General. All information with be treated confidentially and caller anonymity will be respected.
The Contractor shall comply with Labor Code Section 1775. In accordance with said section,
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the Contractor shall forfeit as a penalty to the City $50.00 (fifty dollars) for each calendar day, or portion thereof, for each workman paid less than the stipulated prevailing rates for such work or craft in which such workman is employed for any work done under the contract by him or by `any subcontractor under him in violation of the provisions of the Labor Code and in particular Labor Code Sections 1770 to 1780, inclusive. In addition to said penalty and pursuant to said Section 1775, the difference between such stipulated prevailing wage rates and the amount paid to each workman for each calendar day or portion thereof for which each workman was paid less than the stipulated prevailing wage rate shall be paid to each workman by the Contractor. 5-8.5 Certified Payroll.
Pursuant to Section 1776 of the Labor Code, the Contractor and/or subcontractors shall submit weekly to the City for each week in which any contract work is performed a certified copy of all payroll records. Should the Contractor fail to provide such payroll certificates, the City may withhold $1,000.00 for each weekly payroll certificate not received from payment due. 5-9 FAIR EMPLOYMENT PRACTICE COMMISSION CERTIFICATION.
The Contractor's attention is directed to the requirements in Section 12990 of the Government Code for nondiscrimination and compliance employment programs.
SECTION 6 – PROSECTION AND PROGRESS OF THE WORK.
6-1 CONSTRUCTION SCHEDULE AND COMMENCEMENT OF THE
WORK.
6-1.1 Construction Schedule.
Add the following:
The Contractor’s proposed construction schedule shall be submitted to the Engineer within ten (10) working days after the date of the Notice of Contract Approval. The schedule shall be supported by written statements from each supplier of materials or equipment indicating that all orders have been placed and acknowledged, and setting forth the dates that each item will be delivered.
In preparation of the construction schedule, the following items shall be considered:
• The City observes the following holidays, which shall be considered non-working days.
If the Contractor elects to work on any of the City holidays the Contractor shall be responsible for paying any associated inspection costs, including overtime and holiday premiums. Any work not completed and fully open to public traffic shall be maintained in a safe and delineated condition. Traffic control and safety devices shall be maintained at all times.
o New Year’s Day
o Martin Luther King Jr.’s Birthday
o Washington’s Birthday
o Cesar Chavez Day
o Memorial Day
o Juneteenth
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o Independence Day
o Labor Day
o Veterans Day
o Thanksgiving
o Christmas Day
• The Contractor’s working hours shall be limited to the hours between 8:00 A.M. and 5:00 P.M., Monday through Friday. Deviation from normal working hours will not be allowed unless written permission has been duly obtained beforehand from the office of the City Engineer. The Contractor shall provide adequate light for proper prosecution of the work, for the safety of the workmen and the public, and for proper inspection. • In the event of either a requested or emergency deviation, inspection service fees will be charged against the Contractor. The service fees will be calculated at overtime rates including benefits, overhead and travel time. The service fees will be deducted from any amounts due to the Contractor.
Prior to issuing the Notice to Proceed, the Engineer will schedule a preconstruction meeting with the Contractor to review the proposed construction schedule and delivery dates, arrange utility coordination, discuss construction methods and clarify inspection procedures.
The names, addresses, and telephone numbers of the Contractor and subcontractors, or their representatives, shall be filed with the Public Works Manager and the County Sheriff’s Department or the City Police Department prior to beginning work.
The Contractor shall also notify the City of Hermosa Beach and the owners of all utilities and substructures not less than 72 hours prior to starting construction. The following utility companies list of names and telephone numbers is intended for the convenience of the contractor and is not guaranteed to be complete or correct:
Southern California Edison Co. 310/783-9332
The Gas Co. 310/605-7837
Verizon 818/837-0394
Hermosa Beach Police & Fire 310/524-2750
Time Warner (Cable TV) 310/216-4184
West Basin Municipal Water District 310/217-2411
Athens Services 626/934-4696
California Water Service Co. 310/257-1428
Underground Service Alert 800/227-2600
Los Angeles County Flood Maintenance 562/861-0316
Los Angeles County Public Works 626/458-3109
The Contractor shall submit periodic Progress Reports to the Director of Public Works by the tenth day of each month. The report shall include an updated Construction Schedule. Any