CHANNEL GRINDER Terrace Hall Pump Station Contract # 16S

Transcription

1 TOWN OF BURLINGTON DEPARTMENT OF PUBLIC WORKS CHANNEL GRINDER Terrace Hall Pump Station Contract # 16S This is an unofficial Bid Spec. If this document is used to submit a bid then you must submit your contact information to Lisa Matarazzo at lmatarazzo@burlington.org in order to be added to the bidders list. Department of Public Works 25 Center Street Burlington MA (781) November 2015

2 TABLE OF CONTENTS PROJECT DESCRIPTION 4 INSTRUCTIONS TO BIDDERS 5 FORM OF GENERAL BID 8 ADDENDA 9 BID FORM 10 TOTAL BID PRICE 11 CONTRACTOR CERTIFICATION 12 AGREEMENT 13 SPECIAL CONDITIONS 14 SPECIFICATIONS 15 2

3 1. INVITATION FOR BID SUPPLIES AND SERVICES Sealed bids for Channel Grinder Terrace Hall Pump Station Contract #16S will be received by DPW/Engineering, Town Hall, 25Center Street, Burlington, Massachusetts, until 9:30AM December 2, 2015 and will be publicly opened and read aloud at such time. Specifications and bid forms are available on the DPW website site at: the Projects & Programs tab. Specifications and bid forms may be obtained at the DPW/Engineering, 25 Center Street, Burlington, Massachusetts, on November 18, 2015 between 8:30 AM and 4:00 PM. This project is bid according to MGL 30B. 3

4 PROJECT DESCRIPTION The Contractor shall furnish, warrant, and deliver to the Terrace Hall Pump Station a replacement Muffin Monster sewage grinder the Wipes Ready CDD- XDS2.0 for shredding municipal wastewater solids. Muffin Monster Model:CDD3216-XDS2.0-Exchange 1:1 Stack 11 Cam Alloy STL Cutters Viton Elastomers Less Electric Motor With Adapter Spool With 29:1 Reducer 1/2" Perforated Drums Paint Epoxy Green 3 REDUCER ASSY, 29:1 W/GUARDS 4

5 INSTRUCTIONS TO BIDDERS Receipt and Opening of Bids The Town of Burlington, Massachusetts, herein called the Owner, acting by and through its Department of Public Works, will receive sealed bids as specified in the invitation for Bids at which time bids will be publicly opened and read. Any bid may be withdrawn prior to the above scheduled time for the opening of bids or authorized postponement thereof. Any bid received after the time and date specified will not be considered. The bidder agrees that this bid shall be good and may not be withdrawn for a period of thirty (30) days, Saturdays, Sundays, and legal holidays excluded, after opening the bids. Preparation of Bid Each bid must be submitted on the prescribed form. All blank spaces for bid prices must be filled in, in ink or typewritten, in both words and figures. Each bid must be submitted in a sealed envelope bearing on the outside the name of the bidder, his address, and endorsed with the name of the project. If forwarded by mail, the sealed envelope containing the bid must be enclosed in another envelope addressed as specified in Receipt and Opening of Bids. The following sections must be completed as part of the bid package: Form of General Bid Acknowledgement of Addenda, if any Bid Form Total Bid Price Contractor Certification Bid Opening Procedure The following list of requirements shall apply to each filed bid. Bids not meeting all the requirements for timeliness and security will be rejected without opening; bids not meeting signature and addenda requirements will be rejected prior to checking of bid amounts. The total dollar amount of each bid will be read, and the three apparent lowest bids will be selected for further consideration. All those present at the bid opening may arrange a time to examine all bids after the bid opening and after the reading of the three apparent low bids. Addenda and Interpretations 5

6 No interpretation of the bid documents will be made orally. Every request for such interpretation should be in writing addressed to the, Town Hall Annex, 25 Center Street, Burlington, MA and to be given consideration must be received at least seven (7) days prior to the date fixed for the opening of bids. Any and all such interpretations and any supplemental instructions will be in the form of written addenda to the Contract Documents. Failure of any bidder to receive any such addendum or interpretation shall not relieve such bidder from any obligation under this bid as submitted. All addenda so issued shall become part of the Contract Documents. Right to Reject Bid The Owner reserves the right to waive any informality or reject any and all bids and alternate bids, should the Owner deem it to be in the public interest to do so. Time for Completion The bidder must agree to commence work and to fully complete the project within the time limit stated in SPECIAL CONDITIONS. Comparison of Bids In the event that there is a discrepancy in FORM OF GENERAL BID between the lump sum or unit prices written in words and figures, the prices written in words will govern. Rule for Award of Contract The Contract will be awarded to the lowest responsible and responsive bidder for the Total Price Bid pursuant to General Laws Chapter 30B as amended. Such a bidder shall possess the skill ability and integrity necessary for the faithful performance of the work, shall be able to furnish labor that can work in harmony with all other elements of labor employed, or to be employed, in the work, and shall otherwise comply with all applicable provisions of law. Bidder shall execute formal agreement within ten (10) days of the Notice of Award. 6

7 Statutes Regulating Competitive Bidding Any bid that does not comply with the provisions of Massachusetts General Laws Chapter 30B, as amended, need not be accepted and the Owner may reject every such bid. Bid Items Not Guaranteed The successful bidder is not guaranteed all items or the total bid price under this contract. 7

8 FORM OF GENERAL BID Bid of (hereinafter called Bidder )* ( ) a corporation, organized and existing under the laws of the state of. ( ) a partnership ( ) a joint venture ( ) an individual doing business as Gentlemen: To the Town of Burlington, Massachusetts (hereinafter called Owner ). The bidder, in compliance with your invitation for bids, having examined the Contract Documents and being familiar with all of the conditions surrounding the construction of the proposed project including the availability of materials and labor, hereby propose to furnish all labor, materials, and supplies, and to construct the project in accordance with the Contract Documents within the time set forth in the agreement, and at the prices stated below. These prices are to cover all expenses incurred in performing the work required under the Contract Documents, or which this proposal is a part *Insert corporation, partnership or individual as applicable. 8

9 ADDENDA Bidder acknowledges receipt of the following addenda: No. Dated: No. Dated: No. Dated: No. Dated: No. Dated: 9

10 BID FORM ITEMS QT. UNIT PRICE TOTAL ITEM 1. CHANNEL MONSTER GRINDER Series CDD-XDS2.0 1 EA $ EA $ 10

11 TOTAL BID PRICE Total Price Bid: $ Bid Price in Words: Name: Signature: Title: Company: Address: Phone: This is an unofficial Bid Spec. If this document is used to submit a bid then you must submit your contact information to Lisa Matarazzo at lmatarazzo@burlington.org in order to be added to the bidders list. 11

12 CONTRACTOR CERTIFICATION NON-COLLUSION I certify under penalties of perjury that this bid or proposal has been made and submitted under good faith and without collusion or fraud with any other person. As used in this certification, the word person shall mean any natural person, business, partnership, corporation, union, committee, club, or other organization, entity, or group of individuals. TAX COMPLIANCE Pursuant to Massachusetts General Law Chapter 62C, Section 49A, I certify under the penalties of perjury that, to the best of my knowledge and belief, I am in compliance with all laws of the Commonwealth relating to taxes, reporting of employees and contractors, and withholding and remitting child support. Signature: (Person Signing Bid) (Name of Business) 12

13 AGREEMENT THIS AGREEMENT, by and between the party of the first part, the Town of Burlington, hereinafter called OWNER, acting herein through its Town Administrator, and the party of the second part hereinafter called CONTRACTOR. WITNESSETH: That for and in consideration of the payments and agreements hereinafter mentioned, to be made and performed by the OWNER, the CONTRACTOR hereby agrees with the OWNER to commence and complete the project described by these bid documents hereinafter called the project, for the sum of the contract price and all extra work in connection therewith, under the terms as stated in the Contract Documents; and at his (its and their) own proper cost and expense to furnish all the materials, supplies, machinery equipment, tools, superintendence, labor, insurance, and other accessories and services necessary to complete the said project in accordance with the conditions and prices stated in FORM OF GENERAL BID, GENERAL CONDITIONS, Contract Documents as prepared by the Owner. IN WITNESS WHEREOF, the parties to these presents have executed this contract. $ AGREED: Town of Burlington Contract Price Town Administrator Date Contractor Contractor Date Company Name: Address: In accordance with M.G.L. C. 44, Section 31C, this is to certify than an appropriation in the amount of this contract is available therefore and that the Town Administrator has been authorized to execute the contract and approve all requisitions and change orders. Town Accountant Account# 13

14 SPECIAL CONDITIONS 1. The Town of Burlington, acting through its Board of Selectmen, an awarding authority, reserves the right to accept or reject any and/or all bids or portions thereof, and to waive any informalities in bidding, and/or to make the award as appears in the best interest of the Town of Burlington. 2. Payment will be made monthly, unless otherwise specified. 3. Normal Hours of work: Work hours shall be between the hours of 7:00 AM and 3:30 PM Monday through Friday, unless otherwise specified. The successful Contractor shall not work on Saturdays, Sundays, Holidays or other hours, without express authority from the Director of Public Works. 4. This Contract includes estimated quantities that may or may not be purchased during Fiscal Year. Additionally, quantities are used for comparison of bids and establishing the Bid Deposit. 5. This Contract may be terminated, with fifteen (15) days notice, for unsatisfactory performance and/or availability of funds. The contractor will hold the Town harmless from all damages as a result of funding restraints. 6. Channel Grinder must be delivered within 8 weeks of execution of agreement. 14

15 SPECIFICATIONS CHANNEL MONSTER GRINDER Series CDD-XDS2.0 2 hex/dual drum/wipes Ready/XPNV Immersible Single Drive/PC2200 Controller PART 1 - GENERAL 1.1 SCOPE OF WORK A. The Contractor shall furnish, warrant, and deliver to the Terrace Hall Pump Station the Wipes Ready CDD-XDS2.0 for shredding municipal wastewater solids. B. All items detailed in this section shall be provided by the same manufacturer. 1.2 REFERENCE STANDARDS A. Equipment shall, as applicable, meet the requirements of the following industry standards: 1. American Society for Testing and Materials (ASTM) A36 Carbon Steel Plate 2. American Society for Testing and Materials (ASTM) A Ductile Iron Castings 3. American Iron and Steel Institute (AISI) 4130 Heat Treated Alloy Steel 4. American Iron and Steel Institute (AISI) 4140 Heat Treated Alloy Steel 5. American Iron and Steel Institute (AISI) 8620 Heat Treated Alloy Steel 6. American Iron and Steel Institute (AISI) 303 Stainless Steel 7. American Iron and Steel Institute (AISI) 304 Stainless Steel 8. American Iron and Steel Institute (AISI) 316 Stainless Steel 9. American Iron and Steel Institute (AISI) 17-4 PH Stainless Steel 10. Society of Automotive Engineers (SAE) 600 Bearing Bronze A. Controllers shall, as applicable, meet the requirements of the following Regulatory Agencies: 1. National Electrical Manufacturer s Association (NEMA) Standards 2. National Electrical Code (NEC) 3. Underwriters Laboratory (UL and cul) 4. International Electrotechnical Commission (IEC) 1.3 QUALITY ASSURANCE A. Identification 1. Equipment shall be identified with a corrosion-resistant nameplate affixed in a conspicuous location. 2. Nameplate information shall include manufacturer s name and address, equipment model number, and serial number. 15

16 B. Manufacturer 1. Supplier shall be ISO9001 certified and have a minimum 40 years experience as a manufacturer of municipal waste water equipment and a minimum 2000 prior installations of similar equipment. 2. Supplier shall, at request, provide a list of reference sites of similar equipment for verification by the Engineer or Owner s representative. 3. Supplier shall conduct factory testing and verification of equipment prior to shipment. 4. Supplier shall have factory-owned bi-coastal service centers in USA. 1.4 SUBMITTALS A. Approval Documents Supplier shall submit approval documents in.pdf format. Submittals shall include equipment descriptions, functional descriptions, dimensional and assembly drawings, catalog data, job specific drawings and manufacturer s instructions. B. Operation and Maintenance Manuals The supplier shall submit one (1) copy of a suitable operation & maintenance manual. An electronic version shall be supplied to create additional copies. The manuals shall include equipment descriptions, operating instructions, drawings, troubleshooting techniques, a recommended maintenance schedule, recommended lubricants and recommended spare parts. C. Warranty Documentation The supplier shall submit a warranty statement clearly identifying the scope and term of the warranty. 1.5 DELIVERY, STORAGE, AND HANDLING A. Packaging and Shipment 1. Equipment shall be packaged in containers or on skids suitable for normal shipping, handling, and storage. 2. Equipment shall be protected from rain, snow, impact and abrasion while in the possession of the carrier. B. Delivery and Acceptance Requirements Contractor shall review the contents of the shipment at time of delivery and promptly notify the carrier and supplier of any discrepancies. 1.6 WARRANTY Manufacturer s standard 12-month limited warranty shall be provided with the equipment. PART 2 - PRODUCTS 2.1 ACCEPTABLE MANUFACTURERS A. Equipment shall be in accordance with these plans and specifications and shall be supplied by: 16

17 1. JWC Environmental, LLC, 290 Paularino Ave., Costa Mesa, CA 92626; Tel: PERFORMANCE REQUIREMENTS A. General Grinder shall reduce or shred influent solids for protection of downstream equipment. B. Design Summary 1. Number of grinders 1 2. Number of motor controllers 1 3. Environment rating for grinders Hazardous, subject to flooding 4. Environment rating for motor controllers Non-hazardous 5. Supply power characteristics 460 volt / 3 phase / 60 Hertz 6. Nominal stack height Nominal drum diameter, perforation size 16, 1/2 dia. hole 8. Minimum liquid handling capacity per grinder 10.6 MGD 9. Maximum head drop across cutter stack 20 max capacity 10. Cutter type Serrated 17-tooth 11. Spacer type Knurled 12. Shaft seal type Mechanical, Tungsten Carbide 13. Seal maximum pressure 90 psi (620 kpa) 14. Speed reducer type and ratio Cycloidal, 29:1 15. Installed horsepower 5 hp (3.7 kw) 16. Motor type XPNV, immersible 17. Motor service factor Minimum motor efficiency (at full load) 91.5% 19. Minimum motor power factor (at full load) 74% 20. Minimum peak shaft torque 3,995 lb-in/hp (605 Nm/kW) 21. Minimum peak force at cutter tip 1,696 lb f /hp (10,119 N/kW) 2.4 FRAME AND SUPPORTS A. General 1. Grinder shall be compatible with existing frame & supports. 2.5 GRINDER A. General Grinder shall be of two-shafted design consisting of individual cutters and spacers driven by hexagonal shafts. The cutters shall actively grab and pull material into the stack for shredding. Twin rotating perforated drums shall maximize hydraulic capacity by screening the wastewater to capture solids larger than the perforation diameter and transfer the solids to the cutter stack 17

18 for shredding. Grinder shall have upper and lower end housings to retain shaft support bearings and seals. Side rails shall provide structural rigidity while optimizing throughput and capture. Grinder shall have a motor and speed reducer to drive the cutter shafts and rotating drums. The equipment shall operate at low speed with a maximum cutter shaft speed of 60 rpm and shall be specifically designed for capturing and shredding wipes. B. Components 1. Cutters and Spacers a. Cutting stack shall be of nominal height listed in Performance Requirements. b. Cutters shall have 17 teeth and be (11.13 mm) thick. c. Spacers shall be (11.33 mm) thick. d. Cutters and spacers shall be individual disks constructed of heat treated alloy steel e. Cutter tooth height shall be not greater than ½-inch (13 mm) above the root diameter of the cutter. f. Cutter outside diameter shall not exceed a maximum 4.73" ( mm). g. Cutter thickness tolerance shall be +.000/-.001 (+.000/-.025 mm). Spacer thickness tolerance shall be +.001/-.000 (+.025/-.000 mm). h. Cutters shall be heat treated to HRc. i. Spacers shall be heat treated to HRc. j. Spacers shall have a knurled outside diameter. k. Cutter to cutter clearance shall be a maximum of (0.25 mm). l. Clearance between any cutter tip and adjacent spacer shall be nominal (0.38 mm). 2. Shafts a. Shafts shall be hexagonal, 2 (50.8 mm) across flats. b. Shafts shall be of heat treated 4140 alloy steel with a minimum tensile strength of 149,000 psi (1,027 kpa). c. Shaft hardness shall be Rockwell C. 3. Intermediate Shaft Yokes with Vertical Support (as applicable) a. Intermediate shaft yokes shall provide radial support to the shafts during severe grinding demands. b. Intermediate shaft yokes shall be constructed of 304 stainless steel, 660 bronze, and 17-4PH Stainless steel. c. Intermediate shaft yokes shall be factory lubricated with high temperature marine grade grease. d. Grease fittings shall be provided on intermediate shaft yokes for periodic maintenance. e. Vertical support shall be constructed of 304 stainless steel. f. Vertical support shall have brackets to locate and secure intermediate shaft yokes within the cutter stack. g. Vertical support shall have a shape that coincides with the radial profile of the cutters to allow for a close interface. 18

19 h. Vertical support shall have adjustable brackets for mounting to the top and bottom end housings. i. Intermediate shaft yokes and vertical support shall only be supplied on cutter stacks of 32-inches (813mm) and taller. 4. Rotating Drum a. Drums shall be of nominal diameter and perforation size listed in Performance Requirements. b. Drums shall be of 304 stainless steel. c. Nominal clearance between the drums and adjacent cutters shall not exceed (2.54 mm). 5. Side Rails a. Side rails shall be constructed of ASTM A536 ductile iron. b. Side rails shall have an adjustable UHMWPE sealing strip creating an interface between the drums and side rail to minimize clearance. c. Each side rail shall have an integral guide slot for installing into framework. 6. Shaft Bearings and Seals a. Radial and axial loads shall be borne by sealed, oversized, deepgroove ball bearings. b. Shaft seal type shall be mechanical. c. Each bearing and seal arrangement shall be incorporated into a cartridge-style housing. d. Cutter shafts shall be supported on both ends. Cantilever-style arrangements shall not be permitted. e. Dynamic and rotating seal faces shall be Tungsten Carbide with 6% Nickel binder. f. Seal cartridges shall be rated to a maximum pressure of 90 psi (620 kpa). g. O-rings shall be of BUNA-N. h. Seal cartridges shall not require flushing. i. Seals shall be rated to operate wet or dry. 7. Housings and Covers a. Housings and top cover shall be of ASTM A536 ductile iron. Bottom housing cover shall be of A36 carbon steel. b. End housings shall have integral bushing deflectors to guide solids away from seal cartridges. 8. Transfer Gears a. Transfer gears shall be of involute profile and fabricated from heat treated alloy steel. b. Transfer gear tooth design, thickness and hardness shall be suitable to transfer torque between shafts up to the rated breakdown torque of the motor. c. The interface between transfer gears shall be factory lubricated with grease to minimize wear. 9. Low Speed Coupling a. Low speed coupling shall be of type and material as listed in Performance Requirements. 19

20 b. The interface between low speed coupling halves shall be factory lubricated with grease to minimize wear. 10. Speed Reducer a. Speed reducer shall be manufactured by Sumitomo Machinery Corporation of America. b. Speed reducer shall be a cycloidal type. c. Gear motor speed reduction ratio shall be 29:1. d. Speed reducer shall be grease lubricated. 11. High Speed Coupling a. High speed coupling shall be a 3-jaw type with elastomer spider. b. The 3-jaw halves shall be of sintered iron. c. The spider shall be of BUNA-N. 12. Motor a. Motor shall be manufactured by Baldor Electric Company. b. Motor shall have characteristics as listed in Performance Requirements 13. Hoist Rings a. Grinder shall be fitted with four (4) hoist rings for lifting. b. Hoist rings shall be designed to pick the grinder above the center of gravity and ensure grinder remains suitably vertical in movement. c. Hoist rings must be suitable to bear the side loads associated with laying the grinder down in any direction. 2.6 MOTOR CONTROLLER A. Description Controller shall provide factory-programmed operation of the grinder system. Controller shall have switches, indicator lights, and other control devices. Controller shall be designed to suit the supply power and motor characteristics listed in Performance Requirements. B. Components 1. Enclosure a. Enclosure shall be fiberglass reinforced plastic, NEMA 4X. b. Enclosure shall house motor starter, PLC, and control devices. 2. Selector switches a. Selector switches shall be 22 mm, rated equal to or better than the enclosure. b. Grinder selector switch shall be three-position and indicate On- Off/Reset-Remote. 3. Pilot Lights a. Lights shall be 22 mm, LED (pilot lamp), rated equal or better than the enclosure. b. Lights shall indicate POWER ON, grinder RUN, grinder JAMMED and MOTOR FAULT. 4. Motor Starter 20

21 a. Starter shall be IEC, full voltage, reversing. b. Contactors shall have 120-volt operating coils. c. Overload relays shall be adjustable and sized to full load amperes (FLA) of the motor. 5. Control Power Transformer a. Control power transformer shall produce 120-volt AC power from the supply power. Transformer shall be sized and fused in accordance with code to accommodate the control power requirements. 6. Programmable Logic Controller a. PLC shall be a Panasonic FPX. 7. Current Transducer a. Current transducer shall be a discrete output type. b. Current transducer shall have adjustable set point from 1-135A with 200 ms or faster response time. C. Operation 1. Grinder control shall be in accordance with the setting of the On- Off/Reset-Remote selector switch. a. In the OFF/RESET position the grinder shall not run. Motor controller faults shall be cleared. b. In the ON position, the grinder shall run forward. c. In the REMOTE position, the grinder shall operate as controlled by a remote start/stop dry contact. 2. When an obstruction jams the grinder, the controller shall stop the grinder and reverse the rotation to clear the obstruction. If the obstruction is cleared, the controller shall return the grinder to normal operation. If three (3) reverses occur within a 30 second interval, the controller shall stop the grinder motor and activate the grinder FAIL indicator and relay. 3. When a motor overload or motor over-temperature condition occurs, the motor shall be de-energized, the MOTOR FAULT indicator lamp shall be illuminated and the FAIL relay shall be energized. 4. When a power failure occurs while the system is operating, the system shall return to normal operation when power is restored. 5. When a power failure occurs while the grinder is in a fail condition, the system shall return to a fail state when power is restored. The fail state shall not be cleared until reset. 6. Reset of the grinder shall be accomplished from the controller only. 2.7 FINISHES A. Paint Coatings (Ferrous Materials) Ferrous metal surfaces shall be prepared to SSPC-SP6 (Commercial Blast Cleaning) and coated with minimum 6-8 mils TDFT (total dry film thickness) paint of type and color listed in Performance Requirements. B. Paint Coatings (Previously-Coated Components) 21

22 Previously-coated components (motors, speed reducers, etc.) shall be prepared to SSPC-SP1 (Solvent Cleaning) and SSPC-SP2 (Hand Tool Cleaning) and coated with minimum 6-8 mils TDFT (total dry film thickness) paint of type and color listed in Performance Requirements. END OF SECTION 22