REBID WASTEWATER TREATMENT PLANT IMPROVEMENTS PHASE III

Transcription

1 CITY OF FARMINGTON CONTRACT DOCUMENTS FOR REBID WASTEWATER TREATMENT PLANT IMPROVEMENTS PHASE III Project Number: 1-1 Contract Control Number: 1-1 R NMED Project Number: CWSRF 01 TECHNICAL SPECIFICATIONS MAY 01 ISSUED FOR BIDDING PREPARED BY HDR ENGINEERING, INC. 1 LOUISIANA BLVD. N.E. SUITE 00 ALBUQUERQUE, NEW MEXICO HDR PROJECT NO. 1 VOLUME IIA

2 Engineer s Certification I, Wade M. Chacon, certify that I am a licensed Professional Engineer in New Mexico (PE #1) and that these contract documents were prepared by me or under my direction. Wade M. Chacon

3 Table of Contents DIVISION 1 - GENERAL REQUIREMENTS VOLUME IIA 01 0 JOB CONDITIONS MEASUREMENT AND PAYMENT 01 1 PRODUCT SUBSTITUTIONS 01 1 REQUEST FOR INFORMATION (RFI) SPECIAL CONDITIONS 01 1 CONSTRUCTION PROGRESS SCHEDULE SUBMITTALS 01 0 OPERATION AND MAINTENANCE MANUALS 01 0 ENVIRONMENTAL PROTECTION AND SPECIAL CONTROLS 01 1 STANDARD ABBREVIATIONS AND SYMBOLS MAJOR EQUIPMENT SUPPLIERS 01 0 PRODUCT DELIVERY, STORAGE, AND HANDLING 01 0 OPENINGS AND PENETRATIONS IN CONSTRUCTION 01 DEMOLITION, CUTTING AND PATCHING 01 1 CLEANING SYSTEM STARTUP DIVISION - CONCRETE CONCRETE TESTING CONCRETE 0 1 FORMWORK REINFORCEMENT CONCRETE, MATERIALS AND PROPORTIONING CONCRETE MIXING, PLACING, JOINTING, AND CURING 0 1 CONCRETE FINISHING AND REPAIR OF SURFACE DEFECTS DIVISION - MASONRY MASONRY CLEANING MASONRY MORTAR AND GROUT 0 0 MASONRY ACCESSORIES COLD AND HOT WEATHER MASONRY CONSTRUCTION 0 00 CONCRETE MASONRY DIVISION - METALS STRUCTURAL STEEL METAL FABRICATIONS 0 0 ALUMINIUM RAILINGS DIVISION - WOOD, PLASTICS, AND COMPOSITES 0 00 ROUGH CARPENTRY 0 00 FIBERGLASS REINFORCED PLASTIC FABRICATIONS DIVISION - THERMAL AND MOISTURE PROTECTION FLUID APPLIED WATERPROOFING Table of Contents - 1

4 LIQUID WATER REPELLENT BUILDING INSULATION SPRAYED POLYURETHANE INSULATION 0 00 UNDER SLAB VAPOR RETARDER 0 FULLY ADHERED TPO ROOFING METAL ROOFING 0 00 JOINT SEALANTS DIVISION - OPENINGS 0 00 HOLLOW METAL DOORS AND FRAMES 0 ALUMINUM ROLLING OVERHEAD DOORS 0 00 TRANSLUCENT PANEL SYSTEMS FINISH HARDWARE GLASS AND GLAZING LOUVERS AND VENTS DIVISION - FINISHES 0 00 EPOXY FLOORING SYSTEM PAINTING AND PROTECTIVE COATINGS DIVISION - SPECIALTIES 1 00 IDENTIFICATION DEVICES 1 SIGNAGE 1 TOILET AND BATH ACCESSORIES FIRE EXTINGUISHERS DIVISION - PLUMBING 0 0 PIPE AND PIPE FITTINGS: PLUMBING SYSTEMS 0 00 PLUMBING FIXTURES AND EQUIPMENT DIVISION HEATING, VENTILATING, AND AIR-CONDITIONING (HVAC) 0 HVAC SYSTEMS: BALANCING AND TESTING 0 INSTRUMENTATION AND CONTROL (DDC) FOR HVAC SYSTEMS 1 00 HVAC: DUCTWORK 00 HVAC: FANS REFRIGERANT PIPING SYSTEM 0 00 HVAC: EQUIPMENT Table of Contents -

5 DIVISION - ELECTRICAL VOLUME IIB 0 00 ELECTRICAL: BASIC REQUIREMENTS 0 1 WIRE AND CABLE: 00 VOLT AND BELOW 0 GROUNDING AND BONDING 0 RACEWAYS AND BOXES 0 ELECTRICAL: EXTERIOR UNDERGROUND 0 SHORT CIRCUIT AND COORDINATION STUDY, AND ARC FLASH REPORT 0 1 ACCEPTANCE TESTING 0 1 ELECTRICAL METERING DEVICES 0 1 CONTROL EQUIPMENT ACCESSORIES 1 DRY TYPE TRANSFORMERS 1 PANELBOARDS 1 MOTOR CONTROL EQUIPMENT WIRING DEVICES 00 OVERCURRENT AND SHORT CIRCUIT PROTECTIVE DEVICES 1 SAFETY SWITCHES VARIABLE FREQUENCY DRIVES: LOW VOLTAGE 1 ENGINE GENERATOR: NATURAL GAS 00 TRANSFER SWITCHES 1 LOW VOLTAGE SURGE PROTECTION DEVICES (SPD) 0 00 INTERIOR AND EXTERIOR LIGHTING DIVISION ELECTRONIC SAFETY AND SECURITY 1 00 FIRE ALARM SYSTEM DIVISION 1 - EARTHWORK 1 00 SITE CLEARING 1 1 TRENCHING, BACKFILLING, AND COMPACTING FOR UTILITIES 1 00 EARTHWORK DIVISION - EXTERIOR IMPROVEMENTS 1 1 ASPHALTIC CONCRETE VEHICULAR PAVING 1 1 CONCRETE CURB AND GUTTER 1 CONCRETE SIDEWALK AND STEPS 1 1 CHAIN LINK FENCE AND GATES 1 0 TOPSOILING AND FINISHED GRADING DIVISION 0 - PROCESS INTERCONNECTIONS EQUIPMENT: BASIC REQUIREMENTS PIPE AND PIPE FITTINGS: BASIC REQUIREMENTS PIPE SUPPORT SYSTEMS PIPE: COPPER 0 0 PIPE: STAINLESS STEEL PIPE: PLASTIC VALVES: BASIC REQUIREMENTS 0 0 BUTTERFLY VALVES MISCELLANEOUS VALVES COMPRESSED AIR SYSTEM Table of Contents -

6 0 0 1 PIPE: DUCTILE HEAT TRACING CABLE 0 00 PIPE, DUCT AND EQUIPMENT INSULATION 0 0 PLUG VALVES CHECK VALVES WATER CONTROL GATES INSTRUMENTATION FOR PROCESS CONTROL: BASIC REQUIREMENTS CONTROL LOOP DESCRIPTIONS 0 1 PRIMARY METERS AND TRANSMITTERS 0 PROGRAMMABLE LOGIC CONTROLLER (PLC) CONTROL SYSTEM 0 00 CONTROL AUXILIARIES 0 00 CONTROL PANELS AND ENCLOSURES 0 00 SURGE PROTECTION DEVICES (SPD) FOR INSTRUMENTATION AND CONTROL EQUIPMENT DIVISION 1 - MATERIAL PROCESSING AND HANDLING EQUIPMENT BELT COVEYORS 1 1 BRIDGE CRANES 1 HOISTS, TROLLEYS, MONORAILS DIVISION - PROCESS GAS AND LIQUID HANDLING, PURIFICATION, AND STORAGE EQUIPMENT ROTARY POSITIVE DISPLACEMENT BLOWER HIGH SPEED TURBO AERATION BLOWER CENTRIFUGAL MULTI-STAGE BLOWERS 1 00 PUMPING EQUIPMENT: BASIC REQUIREMENTS 1 PUMPING EQUIPMENT: SUBMERSIBLE NON-CLOG PUMPING EQUIPMENT: POSITIVE DISPLACEMENT (LOBE) PUMPING EQUIPMENT: VERTICAL TURBINE (LINE SHAFT) DIVISION - WATER AND WASTEWATER EQUIPMENT CHEMICAL FEED: LIQUID SYSTEMS 1 POLYMER BLENDING UNITS 1 01 MIXERS - HIGH SPEED 1 0 MIXERS - SLOW SPEED SLUDGE COLLECTION: CIRCULAR SPIRAL COLLECTOR TYPE 1 00 AERATION EQUIPMENT: BASIC REQUIREMENTS 1 1 AERATION SYSTEM: COARSE BUBBLE TYPE 1 AERATION EQUIPMENT: FINE BUBBLE TYPE OPEN CHANNEL ULTRAVIOLET (UV) DISINFECTION SYSTEM EQUIPMENT 1 ROTARY DRUM SLUDGE THICKENING SYSTEM 1 DISC THICKENING SYSTEM SLUDGE DEWATERING SCREW PRESS Table of Contents -

7 REFERENCE DOCUMENTS The following documents are provided for information purposes only and may not be representative of actual conditions. There shall be no change in cost due to inaccurate information provided on these documents. Contractor shall be responsible to field verify all existing conditions and dimensions prior to start of work. Existing Primary Clarifier A Shop Drawings Existing Primary Clarifier B Shop Drawings Existing Secondary Clarifier No. 1 Shop Drawings Existing Trickling Filter Drawing Existing Trickling Filter O&M Manual Table of Contents -

8 SECTION 0 JOB CONDITIONS PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. Job Conditions. a. The work required described in these documents includes the following: 1) Mobilization ) Site Work ) Yard Piping ) MRAS Basin No.1 ) MRAS Basin No. Modifications ) MRAS Basin No. Structure ) Blower Building Modifications ) Secondary Clarifier No. ) Secondary Clarifier No. 1 Modifications ) Secondary Clarifier No. Structure ) Solids Handling Facility 1) Disc Thickening System 1) Plant Drain Lift Station 1) Digested Sludge Pump Station 1) UV Disinfection Facility 1) DWAS Storage Tanks 1) Vactor Truck Dump Station 1) Primary Clarifier A Recoating 1) Primary Clarifier B Recoating and Effluent Launder 0) Electrical Improvements 1) SCADA System ) Primary Digester No. Insulate Cover ) Primary Sludge Pumps ) Grit Facility Handrails ) Start-up/Demobilization ) Additional Sidewalks ) Over Excavation ) Allowances ) Additive/Deductive Alternates (if selected) 0) Other items as specified and/or shown on the Drawings. B. Related Specification Sections include but are not necessarily limited to: 1. Division 00 - Bidding Requirements, Contract Forms, American Iron and Steel (AIS) requirements, and Conditions of the Contract.. Division 01 - General Requirements.. Specification Sections in Division 0 through Division. 1. PROJECT CONDITIONS A. Prior to installation of material, equipment and other work, verify with subcontractors, material or equipment manufacturers, and installers that the substrate or surface to which those materials attach is acceptable for installation of those materials or equipment. (Substrate is defined as building surfaces to which materials or equipment is attached to i.e., floors, walls, ceilings, etc.). JOB CONDITIONS

9 B. Correct unacceptable substrate until acceptable for installation of equipment or materials. C. Maintaining Facility Operations: 1. Ensure construction activities do not interfere with Owner s operation of facility.. Planned facility shut downs may be permitted at the Owners discretion and convenience. Contractor shall coordinate with Owner all facility shut downs.. Contractor shall maintain site interior and exterior security fencing at all times. D. Order of Construction 1. The following items shall be completed prior to draining liquid, removing sludge and grit from any of the existing basins: a. Plant Drain Lift Station b. Vactor Truck Dump Station. After completion of the items stated above, the following items shall be completed: a. MRAS Basin No.1 b. Secondary Clarifier No. c. MRAS Basin No. Modifications (After MRAS Basin No. 1 is online and fully operational in operation) d. Pump / Blower Building Equipment 1) Constraint - Only one existing multi-stage blower may be taken out of service at a time to rebuild. e. Remove Trickling Filter and Construct Solids Handling Facility f. Secondary Clarifier No. 1 Modifications (After Secondary Clarifier No. is online and fully operational) g. Secondary Clarifier No. /MRAS Basin No. (Work can run through other Construction Constraints listed in item. below) h. Existing Trickling Filter B and Final Clarifier A shall be in operations at all times.. Construction Constraints a. The following cannot occur until MRAS Basin No. 1, MRAS Basin No., Secondary Clarifier No. 1 and Secondary Clarifier No. are constructed and fully operational per Specification Section ) Existing Trickling Filter B and Final Clarifier A shall be taken out of service ) Only one Primary Clarifier can be taken offline at a time to be recoated a) Primary Clarifier A Recoating b) Primary Clarifier B Recoating and Effluent Launder ) Temporary Convert Chlorine Disinfection to UV Disinfection Facility b. Only one multistage blower may be taken offline at a time to be rebuilt. c. Existing Belt Filter Press may not be taken offline until new Solids Handling Facility is constructed and fully operational per Specification Section d. Digested sludge pump station cannot be taken offline until new Solids Handling Facility is constructed and fully operational.. All other items not listed above can be constructed per the Contractor s schedule. Ensure construction activities do not interfere with Owner's operation of facility. a. Planned process shut-downs will be permitted on a case by case basis. Contractor shall submit request to the Owner four weeks in advance of planned shut down detailing specifics operation. Contractor shall be responsible for all costs including overtime; bypass pumping; temporary facilities, etc.. Following the completion and startup of the entire project per Specification Section 01 00, Substantial Completion for the project will be given to the Contractor. a. There will be no partial Substantial Completion given. JOB CONDITIONS

10 1 1 E. This project includes an American Iron and Steel (AIS) requirement that is required by Clean Water State Revolving Loan Fund (CWSRF) and Drinking Water State Revolving Loan Fund (SWSRF) projects to use iron and steel products that are produced in the United States for projects for the construction, alteration, maintenance, or repair of a public water system or treatment works. All iron and steel shall meet the requirements as stated in Volume I under the Implementation of American Iron and Steel provisions of P.L. -, Consolidated Appropriations Act, 01. F. All equipment warranties shall be guaranteed for two () years after the date of Substantial Completion for equipment listed in Specification Section , unless extended warranties are noted otherwise. a. Where manufacturer's standard warranties expire before expiration date required by Contract Documents, obtain and pay for warranty extensions, as part of Contract Price. PART - PRODUCTS (NOT APPLICABLE TO THIS SPECIFICATION SECTION) 1 1 PART - EXECUTION (NOT APPLICABLE TO THIS SPECIFICATION SECTION) END OF SECTION JOB CONDITIONS

11 SECTION MEASUREMENT AND PAYMENT PART 1 - MEASUREMENT 1.1 GENERAL A. Payment for materials furnished and work done under the contract will be made as hereinafter stipulated, for actual amount of materials furnished and work performed under authorization of the OWNER and in accordance with actual measurements. B. BID ITEMS: The following items, classifying the various kinds of work refer to the respective items listed in the bid proposal and cover all items required to provide the owner with a complete project considered to be incidental to the Base Bid. Any work elements not listed but are necessary for a complete project are considered incidental even thought they are not specifically listed below. All of the following items include construction staking; coordination; overtime; restoration; spare parts; start-up; training; field offices, field office equipment; utilities; project overhead; construction sign and all other materials, equipment and labor incidental thereto. 1. BASE BID ITEMS C. BID ITEMS: 1. MOBILIZATION a. Payment will be made for Mobilization at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: bonds; insurance; mobilization of forces; preconstruction conference; setting up trailers, staging areas; permits; SWPPP; and all other materials, equipment and labor incidental thereto. This amount will be amortized equally over a period of three () months.. SITE WORK: a. Payment will be made for Site Work at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; grading; excavation; clearing and grubbing, unclassified excavation, hauling and disposal, backfill, import material, compaction; all demolition including the removal of the trickling filter (media, mechanism, structure, piping) and the removal of the existing RBC foundations; concrete; sidewalks; fencing; surface completions, asphalt, base course, landscaping, gravel, restoration, dewatering; warranties, O&M manuals, training, Record Drawings, cleaning and all other materials, equipment and labor incidental thereto.. YARD PIPING a. Payment will be made for Yard Piping at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, pipe bedding, import material, backfill, compaction; and wasting material off site; surface completions; demolition; pipe; valves; fittings, manifolds, pressure testing; disinfection; drain line from vactor truck dump station (old RBC) to manhole southwest of JB No., connections; pot holing, appurtenances; by-pass piping and pumping; pot holing; concrete; dewatering; MEASUREMENT AND PAYMENT

12 warranties, O&M manuals, training, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. MRAS BASIN NO. 1 a. Payment will be made for MRAS Basins No. 1 at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; new air headers; equipment; membrane diffusers; piping in basin; course bubble diffusers; foam control system, fittings, valves; manifolds, pipe (within structure & feet outside of structure); pressure testing; disinfection; connections; appurtenances; basin drain pumps & jib cranes, bypass piping and pumping; mixers, slide gates; stairs, hand rails; grating; miscellaneous metals; concrete, forming and reinforcement, concrete finishing, pressure relief valves, dewatering, drain pump, guide bars and brackets, cable holders, instrumentation sensors, flow meters, piping supports; control panels, lighting, protective coatings; electrical; warranties, O&M manuals, system start-up training, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. MRAS BASIN NO. - MODIFICATIONS a. Payment will be made for MRAS Basin No. at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: demolition; equipment; dewatering, sludge and grit removal & cleaning of basin; replacement of membranes diffusers in basin; relocating no. air header and extending drop legs with valves, air header supports, replacement of air header gaskets, air flow meter, foam control system, fittings, valves; manifolds, pipe (within structure & feet outside of structure); pressure testing; connections; appurtenances; basin drain pumps & jib cranes, by-pass piping and pumping; hand rails; grating; miscellaneous metals; cable holders, instrumentation sensors, piping supports; control panels; protective coatings; electrical; warranties, O&M manuals, training, system start-up Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. MRAS BASIN NO. STRUCTURE a. Payment will be made for MRAS Basin No. at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; appurtenances; yard piping, fittings, valves, pipe; by-pass piping and pumping; slide gates; stairs, hand rails; grating; complete aeration header system including valves, flow meter, pipe supports, drop legs and butterfly valves, install blind flange on drop legs, basin drain pump and jib crane complete with piping and electrical, basin lighting, electrical conduits for all equipment and instrumentation, miscellaneous metals, weirs, slide gates, concrete, forming and reinforcement, concrete finishing, pressure relief valves, sidewalks; curb & gutter; asphalt; dewatering; protective coatings; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. BLOWER BUILDING MODIFICATIONS a. Payment will be made for the Blower Building Modifications at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: demolition; removal of equipment, installation of new equipment; pumps, blowers, air compressor, reconditioning existing multi-stage blowers, conduit, pipe (within structure & feet outside of structure); pressure testing; disinfection; valves; MEASUREMENT AND PAYMENT

13 vents; patching bldg. walls (match existing), miscellaneous metals; concrete; supports; painting, protective coatings, repaint floors, electrical, control panels, warranties, O&M manuals, training, Record Drawings, system start-up, cleaning and all other materials, equipment and labor incidental thereto.. SECONDARY CLARIFIER NO. a. Payment will be made for Secondary Clarifier No. at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; new clarifier mechanism; foam control systems, weirs; pipe (within structure & feet outside of structure); pressure testing; disinfection; appurtenances; slide gates; hand rails; stairs on each side, grating; launderer covers; miscellaneous metals; concrete, forming and reinforcement, concrete finishing, pressure relief valves, lighting, sidewalks; dewatering; supports; control panels, electrical; protective coatings; warranties, O&M manuals, training, Record Drawings, system start-up, spare parts, cleaning and all other materials, equipment and labor incidental thereto.. SECONDARY CLARIFIER NO. 1 MODIFICATIONS a. Payment will be made for Secondary Clarifier No. 1 at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: dewatering; cleaning; demolition; fittings, pipe (within structure & feet outside of structure); modifications to mechanism, connections; appurtenances; miscellaneous, removal of existing safety rail, anchor bolts and concrete patching, metals; new foam control system, sand blasting all painted surfaces, remove, sand blast, recoat and reinstall scum beach, protective coatings; launder covers; electrical, handrails; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. SECONDARY CLARIFER NO. STRUCTURE a. Payment will be made for Secondary Clarifier No. Structure at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; appurtenances; miscellaneous metals; concrete, forming and reinforcement, dewatering; over excavation per the drawings; yard piping; fittings, pressure testing, connections, north set of stairs and landing, south set of stairs and landing to connect to Clarifier No. bridge, launderer cover, V-notch weirs and scum baffles; dewatering; piping supports; protective coatings; lighting, electrical conduits, warranties, O&M manuals, training, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. SOLIDS HANDLING FACILITY a. Payment will be made for the Solids Handling Facility at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, and dewatering; backfill, import material, compaction; and wasting material off site; demolition; concrete, forming and reinforcement; sidewalks; masonry; roofing system; doors; windows; roof down spouts, drains splash blocks floor drains; HVAC systems; plumbing; equipment; dewatering screw presses with two () totes of polymer; thickened sludge pumps; cranes; conveyor; pumps; fittings; valves; manifolds, pipe (within structure & feet outside of structure); pressure testing; disinfection; connections; appurtenances; hand rails; grating; miscellaneous metals; guide bars and brackets, new filtrate pumping station; chemical MEASUREMENT AND PAYMENT

14 feed systems and two () totes of Sodium Hypochlorite (NaOCl), restroom, instrumentation sensors, supports; electrical, flow meters and vault, lighting, control panels; protective coatings; warranties, O&M manuals, training, Record Drawings; system start-up, spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. DISC THICKENING SYSTEM a. Payment will be made for the Solids Handling Facility at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: providing new disc thickening system including disc thickeners, drive motors, gear reducers, support legs, flocculation reactor, polymer feed system with two () totes of polymer, piping, valves, fittings, connections; electrical and controls; equipment; appurtenances; O&M manuals, system start-up, Record Drawings, spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. PLANT DRAIN LIFT STATION (old filtrate lift station & in-plant drain lift station) a. Payment will be made for the Plant Drain Lift Station at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: dewatering; cleaning; staking; clearing and grubbing, unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; foam control system, pumps, fittings, pipe (within structure & feet outside of structure); pressure testing; disinfection; connections; equipment; appurtenances; by-pass piping and pumping; covers; grating; miscellaneous metals; concrete; sidewalks; dewatering; guide bars and brackets, cable holders, instrumentation sensors, supports; electrical, control panels; surface preparation, protective coatings; warranties, O&M manuals, lighting, removal of buried check valve, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. DIGESTED SLUDGE PUMP STATION a. Payment will be made for Sludge Pump Station at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: dewatering; cleaning; staking; clearing and grubbing, unclassified excavation, backfill, import material, backfill, compaction; and wasting material off site; demolition; pumps, fittings, manifolds, pipe (within structure & feet outside of structure); pressure testing; disinfection; connections; equipment; appurtenances; by-pass piping and pumping; roof; improvements to decant tank, telescoping valve; hand rails; grating; miscellaneous metals; concrete; sidewalks; dewatering; guide bars and brackets, cable holders, instrumentation sensors, supports; electrical, lighting, control panels; protective coatings; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. UV DISINFECTION FACILITY a. Payment will be made for the UV Disinfection Facility at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; concrete, forming and reinforcement; sidewalks; dewatering, UV equipment; washwater pumps; crane; fittings, manifolds, pipe (within structure & feet outside of structure); pressure testing; temporary chlorine injection system, disinfection; connections; appurtenances; by-pass piping and pumping; slide gates; hand rails; grating; miscellaneous metals; concrete; dewatering; guide bars and brackets, instrumentation sensors, supports; electrical, control panels; protective coatings; improvements to Splitter Box No. ; warranties, O&M MEASUREMENT AND PAYMENT

15 manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. DWAS STORAGE TANKS a. Payment will be made for DWAS Storage Tanks at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing; unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; blowers; air header; course bubble diffusers; fittings, manifolds, pipe (within structure & feet outside of structure); pressure testing; disinfection; DWAS pumps & jib cranes, connections; appurtenances; slide gates; hand rails; grating; miscellaneous metals; valve vault, metal canopy, concrete; concrete finishing, sidewalks; dewatering, pressure relief valves, guide bars and brackets, cable holders, instrumentation sensors, supports; electrical, lighting, control panels; protective coatings; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. VACTOR TRUCK DUMP STATION a. Payment will be made for Vactor Dump Station at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, compaction; and wasting material off site; demolition; fittings, pipe (within structure & feet outside of structure); connections; appurtenances; by-pass piping and pumping; guardrails, grating; miscellaneous metals; concrete; sidewalks; dewatering; protective coatings; lighting, warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. PRIMARY CLARIFIER A - RECOATING a. Payment will be made for Recoating Primary Clarifier A at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: dewatering; cleaning; new foam control system, sand blasting all painted surfaces and recoating of clarifier mechanism and bridge, remove, sand blast, recoat and reinstall scum beach, warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. 1. PRIMARY CLARIFIER B RECOATING AND EFFLUENT LAUNDER a. Payment will be made for Recoating and Effluent Launder for Primary Clarifier B at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: dewatering; cleaning; demolition; fittings, pipe (within structure & feet outside of structure); modifications to mechanism, connections; appurtenances; miscellaneous metals; concrete; forms; rebar; new foam control system, sand blasting all painted surfaces and recoating of clarifier mechanism and bridge; remove, sand blast, recoat and reinstall scum beach, scum baffles and V-notch weirs, warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. 0. ELECTRICAL IMPROVEMENTS: a. Payment will be made for Power, Instrumentation and Controls at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import MEASUREMENT AND PAYMENT

16 material, compaction; motor control centers; variable frequency drives; sunshield; colored duct banks with warning tape; conduit; wiring; heat tape / insulation ; equipment installation; lighting; switches; pull boxes; handholes; instrumentation wiring; control panels; installation of devices; power supply system, programing scada; testing, O&M manuals; training; system start-up, appurtenances; Record Drawings; spare parts; cleaning and all other materials, equipment and labor incidental thereto. 1. SCADA SYSTEM a. Payment will be made for Scada System at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, backfill, import material, backfill, compaction; and wasting material off site; demolition; conduit; appurtenances; potholing; concrete; computer; software; equipment; electrical; controls; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. PRIMARY DIGESTER NO. INSULATE COVER a. Payment will be made for the Insulating Digester Roof at the stipulated Lump Sum price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: installing sprayed foam insulation and roofing polyurethane of existing fiberglass digester dome; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. PRIMARY SLUDGE PUMPS a. Payment will be made for Primary Sludge Pumps at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: removal of existing pumps and installation of new pumps, refitting of pipe, pipe, gaskets, welding, painting, electrical, O&M manuals; training, system start-up, Record Drawings; spare parts; cleaning and all other materials, equipment and labor incidental thereto.. GRIT FACILITY HANDRAILS a. Payment will be made for Grit Facility Handrails at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: removal and disposal of existing handrails; installation of new handrails, O&M manuals; training; Record Drawings; spare parts; cleaning and all other materials, equipment and labor incidental thereto.. DEMOBILIZATION: a. Payment will be made for Demobilization at the stipulated Lump Sum price indicated in the Bid Proposal. Payment will be made upon completion of final punch list issued at time of substantial completion for the entire project. Price Bid shall include but not be limited to the following: demobilization, final Record Drawings, cleaning and restoration and all other materials, equipment and labor incidental thereto, final closeout documents and submittal of all project warranties to Owner.. ADDITIONAL SIDEWALKS a. Payment will be made for Additional Sidewalks (those not shown on plans) added by the Owner at the stipulated Unit price indicated in the Bid Proposal. Price Bid shall include but not be limited to the following: staking; clearing and grubbing, unclassified excavation, backfill, import material, subgrade prep, compaction, fine grading, and MEASUREMENT AND PAYMENT

17 wasting material off site; demolition, concrete, forms, reinforcement, warranties, Record Drawings, cleaning and all other materials, equipment and labor incidental thereto.. OVER EXCAVATION a. Payment will be made for additional Over Excavation for unforeseen conditions which are not called for by the Contract Documents at the stipulated Unit price indicated in the Bid Proposal for additional quantities that are not shown on the drawings. All over excavation show within the Contract Documents shall be included in the bid proposal under the individual bid items. Price Bid shall include but not be limited to the following: staking, clearing and grubbing, unclassified excavation, backfill, import material, compaction, wasting material off site, dewatering, warranties, Record Drawings, cleaning and all other materials, equipment and labor incidental thereto. D. ALLOWANCES The following items refer to the respective Allowance items listed in the bid proposal.. TESTING ALLOWANCE: a. Payment will be made for actual costs for passing tests of soils and concrete. The contractor will be reimbursed for actual costs based on submitted invoices. No additional compensation will be allowed for delays or inconvenience caused by testing. 0. UTILITY RELOCATION ALLOWANCE: a. This bid item is for use for only when the Owner request that an existing utility be relocated. Payment will be made for actual negotiated cost for relocating unforeseen utilities. 1. FIELD ENGINEER S EQUIPMENT ALLOWANCE: a. Payment will be made for actual costs for purchasing office/miscellaneous equipment for Field Engineer s construction trailer. Equipment purchased by this allowance shall be retained by the Owner after project completion. The Contractor will be reimbursed for actual costs based on submitted invoices. All contractors costs associated with the purchase of this equipment is considered incidental to the contractors project site overhead and no additional markups shall be included.. SAFETY EQUIPMENT ALLOWANCE: a. Payment will be made for actual costs for purchasing safety/miscellaneous equipment. Equipment purchased by this allowance shall be retained by the Owner after project completion. The contractor will be reimbursed for actual costs based on submitted invoices. All contractors costs associated with the purchase of this equipment is considered incidental to the contractors project site overhead and no additional markups shall be included. E. DEDUCTIVE ALTERNATES The following items refer to the respective Deductive items listed in the bid proposal.. ROTARY DRUM SLUDGE THICKENING SYSTEM Price listed will be the difference in price from BID ITEM.0 DISC THICKENING SYSTEM for installing a Rotary Drum Sludge Thickener at the stipulated Lump Sum price indicated in the Bid Proposal in-lieu of Disc Thickeners, Bid shall include but not be limited to the following: rotary drum thickeners; polymer feed system with two () totes of polymer; equipment; drains, fittings, manifolds, pipe; connections; pressure testing; MEASUREMENT AND PAYMENT

18 appurtenances; hand rails; grating; miscellaneous metals; piping supports; protective coatings; controls; electrical; warranties, O&M manuals, training, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. F. ADDITIVE ALTERNATES The following items refer to the respective Alternative items listed in the bid proposal.. SECOND CLARIFIER NO. (EQUIPMENT) a. Payment will be made for Secondary Clarifier No. at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: connections; appurtenances; clarifier mechanism with bridge, scum beach, controls, electrical; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto.. MRAS BASIN NO. (EQUIPMENT) a. Payment will be made for MRAS Basin No. at the stipulated Lump Sum price indicated in the Bid Proposal. Bid shall include but not be limited to the following: equipment; complete aeration system from butterfly valve on air header, membrane diffusers and piping, course bubble diffusers and piping, foam control system, pressure testing, connections, mixers including guide bars, brackets and cranes, cable holders, instrumentation; sensors, control panels, electrical; warranties, O&M manuals, training, system start-up, Record Drawings; spare parts, cleaning and all other materials, equipment and labor incidental thereto. END OF SECTION MEASUREMENT AND PAYMENT

19 SECTION 0 PRODUCT SUBSTITUTIONS PART 1 - GENERAL 1.1 SUMMARY A. Section Includes: 1. The procedure for requesting the approval of substitution of a product that is not equivalent to a product which is specified by descriptive or performance criteria or defined by reference to one or more of the following: a. Name of manufacturer. b. Name of vendor. c. Trade name. d. Catalog number.. Substitutions are not "or-equals.". This Specification Section does not address substitutions for major equipment. a. See "INSTRUCTIONS TO BIDDERS." B. Related Specification Sections include but are not necessarily limited to: 1. Division 00 - Bidding Requirements, Contract Forms, and Conditions of the Contract.. Division 01 - General Requirements. C. Request for Substitution - General: 1. Base all bids on materials, equipment, and procedures specified.. Certain types of equipment and kinds of material are described in specifications by means of references to names of manufacturers and vendors, trade names, or catalog numbers. a. When this method of specifying is used, it is not intended to exclude from consideration other products bearing other manufacturer's or vendor's names, trade names, or catalog numbers, provided said products are "or-equals," as determined by Engineer.. Other types of equipment and kinds of material may be acceptable substitutions under the following conditions: a. Or-equals are unavailable due to strike, discontinued production of products meeting specified requirements, or other factors beyond control of Contractor; or, b. Contractor proposes a cost and/or time reduction incentive to the Owner. 1. QUALITY ASSURANCE A. In making request for substitution or in using an approved product, Contractor represents Contractor: 1. Has investigated proposed product, and has determined that it is adequate or superior in all respects to that specified, and that it will perform function for which it is intended.. Will provide same guarantee for substitute item as for product specified.. Will coordinate installation of accepted substitution into Work, to include building modifications if necessary, making such changes as may be required for Work to be complete in all respects.. Waives all claims for additional costs related to substitution which subsequently arise. 1. DEFINITIONS A. Product: Manufactured material or equipment. 1. PROCEDURE FOR REQUESTING SUBSTITUTION A. Substitution shall be considered only: PRODUCT SUBSTITUTIONS

20 After Award of Contract.. Under the conditions stated herein. B. Written request through Contractor only. C. Transmittal Mechanics: 1. Follow the transmittal mechanics prescribed for Shop Drawings in Specification Section a. Product substitution will be treated in a manner similar to "deviations," as described in Specification Section b. List the letter describing the deviation and justifications on the transmittal form in the space provided under the column with the heading DESCRIPTION. 1) Include in the transmittal letter, either directly or as a clearly marked attachment, the items listed in Paragraph D below. D. Transmittal Contents: 1. Product identification: a. Manufacturer's name. b. Telephone number and representative contact name. c. Specification Section or Drawing reference of originally specified product, including discrete name or tag number assigned to original product in the Contract Documents.. Manufacturer's literature clearly marked to show compliance of proposed product with Contract Documents.. Itemized comparison of original and proposed product addressing product characteristics including but not necessarily limited to: a. Size. b. Composition or materials of construction. c. Weight. d. Electrical or mechanical requirements.. Product experience: a. Location of past projects utilizing product. b. Name and telephone number of persons associated with referenced projects knowledgeable concerning proposed product. c. Available field data and reports associated with proposed product.. Data relating to changes in construction schedule.. Data relating to changes in cost.. Samples: a. At request of Engineer. b. Full size if requested by Engineer. c. Held until substantial completion. d. Engineer not responsible for loss or damage to samples. 1. APPROVAL OR REJECTION A. Written approval or rejection of substitution given by the Engineer. B. Engineer reserves the right to require proposed product to comply with color and pattern of specified product if necessary to secure design intent. C. In the event the substitution is approved, the resulting cost and/or time reduction will be documented by Change Order in accordance with the General Conditions. D. Substitution will be rejected if: 1. Submittal is not through the Contractor with his stamp of approval.. Request is not made in accordance with this Specification Section.. In the Engineer's opinion, acceptance will require substantial revision of the original design.. In the Engineer's opinion, substitution will not perform adequately the function consistent with the design intent. PRODUCT SUBSTITUTIONS

21 E. Contractor shall reimburse Owner for the cost of Engineer's evaluation whether or not substitution is approved. PART - PRODUCTS - (NOT APPLICABLE TO THIS SPECIFICATION SECTION) PART - EXECUTION - (NOT APPLICABLE TO THIS SPECIFICATION SECTION) END OF SECTION PRODUCT SUBSTITUTIONS

22 SECTION 0 REQUESTS FOR INFORMATION (RFI) PART 1 - GENERAL 1.1 SUMMARY A. This Specification Section specifies administrative and procedural requirements for handling and processing Requests for Information (RFI). B. RFI is intended for requesting clarifications and interpretations of Contract Documents due to apparent inconsistencies, errors or omissions in Contract Documents, and due to unanticipated existing conditions. C. RFI is not intended for general communication, requesting substitutions, Contractor s proposed changes, resolution of nonconforming work, or coordination between contractors or for general questions not related to Contract Documents. D. RFI process is intended to be a cooperative effort between Engineer and Contractor to expedite responses to RFIs and maintain progress of Work without utilizing other lengthy procedures. E. Any other proposed method of processing RFIs other than indicated within this Specification Section shall be evaluated by Engineer for potential impact on Engineer s services. 1. If Engineer agrees to utilize another proposed method, Engineer will be reimbursed for any special training, usage fees, extra time required to implement, maintain, utilize and administer such a system. 1. RFI SUBMITTAL PROCEDURE A. All RFIs shall be submitted on the form attached to this Specification Section, or on mutually agreeable forms to be provided at the preconstruction meeting, and shall include all backup information. 1. Backup information shall include, but not be limited to Contractor verified field measurements, quantities, dimensions, installation requirements, materials, catalog number, and any other information that will assist the Owner in reviewing the RFI. B. Within ten () working days of receipt of RFI, Engineer will either return a response to the RFI or notify Contractor when a response will be issued. 1. COMMENCEMENT OF RFI-RELATED WORK A. No portion of the work requiring instruction from the Engineer shall begin until RFI has been reviewed by the Engineer and returned to Contractor with instruction or with notation indicating Engineer response is not necessary. PART - PRODUCTS -(NOT APPLICABLE TO THIS SPECIFICATION SECTION) PART - EXECUTION.1 REQUESTS FOR INFORMATION A. Review of Contract Documents and Field Conditions: 1. Before starting each portion of Work, Contractor shall carefully study and compare various Drawings, Specifications and other Contract Documents, coordination drawings, Shop Drawings, prior correspondence or documentation relative to that portion of Work, as well as information furnished by Owner. REQUESTS FOR INFORMATION (RFI)

23 Contractor and Subcontractors shall evaluate and take field measurements of conditions related to that portion of Work and shall observe any conditions at site affecting it.. These obligations are for purpose of facilitating coordination and construction by Contractor.. Any errors, inconsistencies or omissions discovered in Contract Documents shall be reported promptly to Engineer as a properly prepared and timely RFI. B. Contractor s and Subcontractor s Responsibilities: 1. When interpretation, clarification or explanation of portion of Construction Documents is needed by Contractor, Subcontractor, Vendor or Supplier, the request shall be processed through Contractor. a. Review request for completeness, quality, proper referencing to Drawing or Specification Section and reason submitted. b. If request is not acceptable, it shall be returned to submitter with comments regarding reason for being returned. c. Make every attempt to validate, resolve or respond to RFI by thoroughly researching and reviewing Contract Documents and field conditions. d. Respond to RFI accordingly if review of RFI discloses a response or is related to coordination of construction or other issue not related to Contract Documents. e. If unable to respond to request, it shall be restated in clear, concise, correct, complete and easily understood manner, and rewritten if necessary, additional information included if necessary, and only then submitted to Engineer for response.. Follow these procedures in developing an RFI: a. List specific Contract Documents researched when seeking information being requested. b. Reference all applicable Contract Drawings by sheet number, section, detail, room number, door number, etc., Specifications by section and paragraph number, and reference any other relevant documents. c. The field titled "Regarding" on attached RFI form must be clear for future reference in reports or correspondence. d. Clearly state request and provide Contract Document references and any additional information needed so request can be fully understood, including sketches, photos or other reference material. e. Fully assess issues, suggest any reasonable solutions and include various factors, including potential costs, schedule impacts, if any, and recommendations which will aid in determining a solution or response. 1) If a reasonable solution can not be suggested, a statement to that effect should be so stated. f. Indicate reason request is being submitted. g. Any critical RFI s requiring a rapid response shall clearly indicate such with an explanation as to why RFI is critical. h. Priority for responses shall be indicated when multiple RFI s are submitted within short period of time.. Copies of responses to RFI s shall be distributed to all parties affected.. A response to RFI shall not be considered a notice to proceed with a change that may revise the Contract Sum or Contract Time, unless authorized by Owner in writing.. If response to RFI is determined incomplete, it shall be resubmitted with reason response is unacceptable and any necessary additional information within five () days of time of receipt of response to RFI. C. RFI Submittal Numbering: 1. RFI s shall be assigned unique numbers in sequential order (1,,,, etc.).. A resubmitted RFI or a previously answered RFI requiring revising or further clarification shall be submitted using original RFI number proceeded by ".1" to indicate revision one of RFI (i.e.: RFI No..1 for revision 1 to RFI No. ). REQUESTS FOR INFORMATION (RFI)

24 1 1. Engineer may return RFI without response for following reasons: a. Request is unclear or incomplete. b. Detailed information not provided. c. Is related to construction means, methods or techniques. d. Is related to health or safety measures. e. Is due to Contractor s lack of adequate coordination. f. Is for coordination between Subcontractors. g. Is considered a "Substitution Request." h. Is considered a "Contractor Proposed Change." i. Is due to non-conformance. j. Response is required by another party. END OF SECTION REQUESTS FOR INFORMATION (RFI)