TO ALL HOLDERS OF PLANS AND SPECIFICATIONS:

Transcription

1 ABCD October 27, 2016 TO ALL HOLDERS OF PLANS AND SPECIFICATIONS: 102 Asma Boulevard Suite 305 Lafayette, LA (337) LA WATS(800) FAX (337) RE: South Sewage Treatment Plant Improvements Phase II Part A Sludge Dewatering Facilities Lafayette Consolidated Government Lafayette Utilities System (DSA No ) ATTENTION: Attached is ADDENDUM NO. 1 for the subject project. Please include it in your set of specifications and consider it when making your bid. Sincerely, DOMINGUE, SZABO & ASSOCIATES, INC. ^ Chris Richard, PE CKR/ Enclosure(s) S:\ \ \ADDENDUM\4568 ADDENDUM 1 TRANS LETTERHEAD DOCX

2 ADDENDUM TO CONTRACT DOCUMENTS AND SPECIFICATIONS South Sewage Treatment Plant Improvements Phase II Part A Sludge Dewatering Facilities Lafayette Consolidated Government Lafayette Utilities System (DSA No ) ADDENDUM NO. 1 October 27, 2016 The following items shall take precedence over referenced to counterparts in the specifications, contract drawings and any other documents in conflict herewith. NOTE: BIDDER IS REQUIRED TO ACKNOWLEDGE RECEIPT OF ADDENDUM IN THE SPACE PROVIDED ON THE BID FORM Item No. 1 Refer to the Specifications and Contract Documents, Section NOTICE TO CONTRACTORS; NOTE the bid date has been changed. Bids will be taken until 10:00 a.m. Central Time on the 16 th day of November Item No. 2 Refer to the Specifications and Contract Documents, Section Reciprocating Positive Displacement Pumps; DELETE the furnishing of the 5 reciprocating positive displacement pumps. The 5 pumps will be provided by the Owner to the Contractor for installation on this project. The Contractor shall include all work associated with installation of the pumps provided by the Owner as specified in the contract documents and shown on the plans including all labor, equipment, tools, and materials associated with coordination of delivery, unloading, storing, installing, supervision, electrical, controls, field painting, piping, gauges, supports, pads, coordination of start-up and training, etc. The only items being deleted from the bid are the furnishing of the pumps from suction flange to discharge flange, pump spare parts, O&M manuals, davit crane and winch. Item No. 3 Refer to the Specifications and Contract Documents, Section Piping, Section Page 3; DELETE paragraph 6 Polyvinyl Chloride (PVC) 2 and Smaller and REPLACE with the following paragraph: Polyvinyl Chloride (PVC) 3 and Smaller: 160 psi working pressure, SDR 26, conforming to ASTM D2241 IPS, pipe shall be furnished with elastomeric gasketed joints and shall be NSF approved for potable water applications. Item No. 4 Refer to the Specifications and Contract Documents, Section Piping; ADD the following paragraph: Fittings for PVC (2 and smaller): Brass goods and fittings shall be made of red brass of composition All threads shall be standard in Addendum No. 1

3 accordance with AWWA Standard C-800 for service fittings and shall be manufactured by established manufacturers regularly engaged in the manufacture of brass water fittings. Item No. 5 Refer to the Specifications and Contract Documents, Section Vertical Turbine Pumps; ADD the following paragraph: Each pump shall be furnished with a column or "CAN" to house the pump bowl section below the base of the pump station slab. The CAN shall be a minimum of 24 in diameter with 1/2" thick walls and equipped with a 1/2 thick by 3 wide collar for installation in the pump station floor. The length of the CAN shall be sufficient to provide the pump manufacturer's recommended minimum clearance for the total length of the pump stages required while operating at the minimum water level in the pump station shown on the drawings. The length of the CAN shown on the drawings is a minimum; the pump manufacturer may provide longer CANS as required. The pump manufacturer shall verify ALL CAN dimensions with the pump being provided to ensure that the pump operates as specified (e.g. entrance velocity, non-cavitating, etc). If a different diameter or length of CAN is required for the pump being provided, the manufacture shall provide the appropriate CAN at no direct pay. The CAN shall be supplied by the pump manufacturer. For painting of CAN, refer to Section Painting. Item No. 6 As a GENERAL NOTE OF CLARIFICATION Buried 2 EPW piping shall be PVC. Item No. 7 Refer to the Plans, Sheets 4: Contractor shall assume that up to 18 of unsuitable material will be removed and disposed of off-site. Item No. 8 Item No. 9 Refer to the Plans, Sheet 25. DELETE reference to 2 gate valves. All PVC valves used for polymer or polymer solution shall be 2 true union ball valves. Refer to the Plans, Sheet 32. NOTE OF CLARIFICATION: Pump cans shall be a minimum of 24 diameter by 6-8 long. The pump manufacturer shall verify can dimensions for pump performance issues and increase if needed at no direct pay. Item No. 10 Refer to the Plans, Sheet 33. DELETE reference to PVC EPW piping. 8 and 4 EPW piping shall be ductile iron pipe. Item No. 11 Refer to the Plans, Sheet E1.02 Electrical Site Plan Dewatering Building; a. Replace entire sheet with the attached revised Sheet E1.02R1. See clouded area for light pole foundation detail. b. Pole Lights P1 and P2 and wall lights W shall be circuited to Panel HSD-7. Contractor to provide a battery backed up astronomical time clock for the lighting circuit. Circuit to be ¾ conduit with 3 #12. Item No. 12 Refer to the Plans, Sheet E2.01 Electrical First Floor Lighting; a. Emergency lighting circuit to be tied to HSD Addendum No. 1

4 Item No. 13 Refer to the Plans, Sheet E2.02 Electrical Second Floor Lighting; a. Emergency lighting circuit to be tied to HSD-5. Item No. 14 Refer to the Plans, Sheet E4.02 Electrical Panel Schedules and Details; a. Cable schedule Cables C1153A and C1153B: Remove Ultrasonic and replace with Pressure Transducer. b. Cable schedule Cables C1140 shall be a 7c18 from S/S to the SCADA Main Control Panel. c. Cable Schedule Cables C1140A, C1140B and C1140C, shall be from the VFD Sludge Transfer Pump to the SCADA Main Control Panel. d. Camera Pole Detail Clarification: Pole height and mounting height of camera shall be Item No. 15 A copy of the minutes of the Pre-bid Meeting is attached as Exhibit A. Item No. 16 PRIOR APPROVAL LIST: The following manufacturers equipment may be considered for use on this project (they have received prior approval subject to the following): The Engineer may allow minor deviations subject to the Engineer s judgment as to whether such deviations would detract from the quality, reliability or function of the equipment. The equipment manufacturer shall be responsible for any and all redesign required to accommodate their equipment. All drawings and calculations detailing the deviations from the plans and specifications shall be submitted to the Engineer with the shop drawings for approval. Drawings must be in AutoCad 2015 or more recent format and must be stamped by an Engineer licensed in the State of Louisiana. Submit both hard copies and electronic copies for approval. Prior approval of other manufacturers equipment shall in no way relieve the Contractor of responsibility for submitting the specified shop drawings for approval or complying fully with ALL provisions of the specifications and drawings Addendum No. 1

5 If prior approved equipment is used, the contractor shall, at his own expense, make any changes or additions in the structures, piping, electrical, etc. as necessary to accommodate the equipment. If engineering is required due to substitution of prior approved equipment, the contractor shall furnish and pay for all such engineering services. No qualifications or exceptions listed in prior approval submittals shall in any way alter or serve as substitute provisions relative to this contract. Section Description of Items Approved Mfr Bridge Crane and Monorail Hoist CES/Gaffey All Cranes Standard Crane & Hoist OMI Crane Systems Louisiana Crane & Electrical Services Fabricated Gates Whipps, Inc Progressive Cavity Pumps Moyno Instrumentation and Controls Tesco Controls, Inc. Received by: Signed: Dated: Company: FAX THIS SIGNED PAGE TO DOMINGUE, SZABO & ASSOCIATES, INC. AT ; OR RESPOND TO ACKNOWLEDGING RECEIPT OF ADDENDUM End of Addendum No. 1 ABCD Addendum No. 1

6 1304 BERTRAND DRIVE SUITE A6 LAFAYETTE, LOUISIANA (337) * FAX (337) Mechanical Contact: SHANE HERNANDEZ shane@meconsulting.com Electrical Contact: SCOTTY BAUDOIN scotty@meconsulting.com PROJECT No.:

7 October 25, 2016 EXHIBIT A RE: South Sewage Treatment Plant Improvements Phase II Part A Sludge Dewatering Facilities Lafayette Consolidated Government Lafayette Utilities System (DSA No ) The meeting was convened at 2:00 p.m. on Thursday, October 20, 2016 at the South Sewage Treatment Plant. A list of attendees is attached. 1. The Project Design Team was Introduced as follows: Domingue, Szabo & Associates, Inc. Chris Richard, PE, Project Manager Sarah Richard, E.I. Design Engineer M&E Consulting (Mechanical and Electrical Engineers) David Carroll, PE, Corne Lemaire (Architect) Paul Lemaire, AIA Lafayette Utilities System was represented by; James Meaux, Project Engineer Todd Guidry, Operations Supervisor David Bertrand, Maintenance Supervisor 2. The bid date was discussed. The bid opening is scheduled for 10:00 a.m. on November 2, The engineer s estimate of probable construction cost is $4.65 million. 4. Contract time is 365 calendar days. 5. Shawn Moore with LCG Purchasing Department went over the requirements for bidding. Those submitting electronic bids will not need to submit a hard copy at bid time, but a hard copy will need to be submitted within 48 hours of the bid opening. 6. The scope of the project was discussed. 7. Site Security was discussed. Site shall remain secure and fencing will need to be maintained at all times. All work on the City s wastewater plant site will be coordinated with the City. 8. Site clearing was discussed. The entire site shall be cleared, graded and areas outside of work area stabilized first. Piping in area of future digesters shall also be completed early in the process. Second Phase of improvements at the plant will likely begin construction before this project is complete (separate bid). Page 1 S:\ \ \Correspondence\Pre bid Meeting Minutes docx

8 9. Submittal of as-built drawings was discussed. The contractor shall submit progress as-builts with each pay request, mostly for underground utilities and other items that cannot be documented later. A complete set of as-builts will be submitted upon completion of the project. 10. Payment for stored materials was discussed. Stored materials will be paid for if the invoices are submitted and verified by the engineer and the material is stored at a secure site. Some material may be stored at the South Sewage Treatment Plant. The contractor will be responsible for coordination with the City for storage at the plant. 11. Permits were discussed. The permits from the Office of the State Fire Marshal and the Louisiana Department of Health have been obtained. The plans have been submitted and reviewed by LCG Metro Code. The Contractor will be required to obtain the necessary permits from LCG Metro Code for construction. 12. Addendum No. 1 was discussed. The meeting minutes of the prebid meeting will be issued with Addendum No Deadline for prior approval is Monday October 24, 2016 at 2:00 PM. 14. Clearing of the site on the north east side of the plant across the plant entrance drive was discussed. The contractor will be allowed to use this area for staging if desired. Upon completion of the clearing, grading, seeding, fencing and the establishment of vegetation, the Contractor may request that the City accept the area for maintenance. Upon an inspection and recommendation by the Engineer, the City will accept the area for lawn maintenance. Note if the City accepts the area for maintenance, the Contractor will not be allowed to use the area for any construction activity. 15. The warranty was discussed. ALL warranties (contractor and manufacturer) shall commence on the date of recordation of the final acceptance of the entire project. The General Contractor shall make all necessary arrangements with subcontractors, manufacturers, suppliers and others providing warranties to coordinate the terms of the specified warranties upon the date of recordation of final acceptance. All cost associated with extensions of warranties as required to meet this requirement shall be included in the base bid. Unless stated otherwise in the specifications, all warranties (contractor and manufacturer) shall be for a period of one year. 16. Pre-bid visitation was discussed. Anyone wishing to visit the plant site shall coordinate the visit with Todd Guidry ( ). 17. The meeting was adjourned and all interested parties were invited to visit the project site. These minutes are a general summary of topics discussed at the subject meeting. Any comments, requested revisions, or omissions should be brought to the attention of Chris Richard with Domingue, Szabo & Associates, Inc. and should be in writing. Revised minutes will be issued if significant revisions or additions are required. Sincerely, DOMINGUE, SZABO & ASSOCIATES, INC. ^ Chris Richard, P.E. xc: Plan Holders Page 2 S:\ \ \Correspondence\Pre bid Meeting Minutes docx

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