RFI_revised_02-13.pdf

Solicitation No.: W911XK-12-B-0008 FY12 Genesee County Vortex Grit Tank Response to Request for Information

POSTED: 28 February 2013

Q 1: WSG was named as an approved supplier of the vortex grit removal system. Does this firm offer a removal system?

A 1: Amendment 0004 removed Option 1. WSG is listed as a supplier for Option 1. (updated 28 February 2013)

Q 2: Can additional firms be pre-qualified as a supplier/manufacturer for the sole sourced equipment(s) listed under Sections 11320 & 11322?

A 2: Amendment 0004 removed the sole source requirements. (updated 28 February 2013)

Q 3: Will the restriction to the Small Business Classification be enforced?

A 3: In accordance with FAR 19.502-2 Total Small Business Set-Asides, Solicitation W911XK-12-B-0008 has been set aside 100% for Small Business. Market research indicated that there was a reasonable expectation that 2 or more firms would compete on this solicitation and award would be made at a fair and reasonable price. Firms that submit a bid that are "other" than Small Business will not be considered.

Q 4: Is it possible to access the existing influent channel space between EL. 870.00 and EL.

875.00 to plug hole in concrete after removal of the existing 8” over flow pipe at the existing washer/classifier per note #8 on DP-101?

A4: Note #8 on DP-101 does not apply to plugging the existing overflow pipe. It has been assumed that the referenced overflow pipe for the existing washer/classifier was the 6” pipe per Note #2 on DP-101.

If our assumption is correct, the channel where the overflow pipe currently discharges to is live.

Contractor shall provide means and methods for plugging the existing hole.

Q 5: Is the contractor responsible for the cost of any permits described in the specification “Table of Contents” under the heading “Appendix A – Permits and Permit Applications (Not Included)”?

A5: The Contractor is required to apply for the Fenton Township Building Permit. The Contractor will be responsible for the permit fee. Refer to Note 5 on Sheet GI-004.

Q 6: Please confirm that a full time Site Safety Health Officer (SSHO) with a minimum of 5 years safety work experience on similar projects, 30-hour OSHA safety class, an average of at least 24 hours of formal safety training each year for the past 5 years, and competent person training as required, will be required on this project.

A6: Confirmed, the specification correctly lists the requirements of the Site Safety Health Officer (SSHO).

Q 7: Please confirm that the SSHO and the CQC System Manager can be the same individual if they meet the minimum requirements.

Response to Request for Information

POSTED: 28 February 2013 A7: Confirmed, the SSHO and the CQC System Manager may be the same individual providing that they meet the minimum requirements of the individual positions.

Q 8: At what location can electrical service be obtained for use at the job trailer? Who will be responsible for cost of electrical usage?

A8: Location where electrical service can be obtained will be determined at the field. The Contractor will be responsible for electricity used for the construction.

Q 9: Can you please provide the geo-technical report for the location of the new vortex tank?

A9: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Q 10: Will a submission of an existing utility survey, as required by the project documents, be required if only the base bid is awarded and NOT option one?

A10: No, utility survey is not required for the Base Bid.

Q 11: Is there sufficient capacity existing to handle all of the new I/O?

A11: Yes, there is sufficient existing capacity to handle all of the new I/O.

Q12: Who is responsible for programming the existing PLC Control Panel CP-100 to accept the signals from the new equipment?

A12: The System Integrator for Genesee County Drain Commissioner (GCDC) will be responsible for programming. Contractor shall coordinate with the System Integrator provided by GCDC.

Q 13: Note 7 on drawing require the contractor to remove all water and debris in the space between elevation 870.00 and elevation 875.00. Please confirm if there is indeed water and/or debris in any of the three chambers in northwestern corner of the building. It appears that there should only be water and/or debris in the influent and effluent channels to the existing Vortex Tank No. 1 and not in the three chambers where Note No. 7 appears to be pointing.

A13: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Q 14: Will temporary power be available from an existing power source in the preliminary treatment building for use during construction? If yes, who is responsible for this utility cost?

A14: For small, plugged-in tools, electrical outlets of the building can be used. For larger equipment such as dewatering pumps, Contractor shall be responsible the power supply.

Q 15: Can you please provide the existing building construction drawings?

A15: Existing building construction drawings to be provided. See forthcoming amendment.

Response to Request for Information

POSTED: 28 February 2013 Q 16: Specification section 02315, part 3.5, D indicates that the sheeting is to be included in the base bid. Please confirm this statement is correct and that the sheeting should not be included in option one.

A16: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013).

Q 17: Within the solicitation document, you included labor rates for the various trades. The common laborer rate was not included. Can you please provide a common laborer hourly rate?

A17: Please follow the procedures for Adding additional Classifications to the Wage Determination as outlined in FAR 22.406 - Additional Classifications. http://farsite.af.mil

Q 18: Can you please provide a clarification on trailer location and temp power source? Are the contractors responsible for power usage costs?

A18: Trailer location is shown on CS-101. Alternate trailer location can be discussed during pre-construction meeting. Location where electrical service can be obtained will be determined at the field.

The Contractor will be responsible for electricity used for the construction.

Q 19: In regards to diverting/bypassing the system to perform the new work; are we as contractors responsible for that or is the facility/owner involved with that process?

A19: Question pertains to Option 1. Amendment 0004 remove all items affiliated with Option 1.

(updated 28 February 2013)

Q 20: Are we responsible for power washing/cleaning the chambers below the elevated slab?

A20: Question pertains to Option 1. Amendment 0004 remove all items affiliated with Option 1.

(updated 28 February 2013)

Q 21: What is the extent of painting of the interior masonry walls? Do we paint just the in-fills, entire wall that's affected or entire room?

A21: Question pertains to Option 1. Amendment 0004 remove all items affiliated with Option 1.

(updated 28 February 2013)

Q 22: The 'equipment justification' document indicates a contract duration of 375 days. The solicitation indicates 165 days for the base project and additional 270 days for option 1. Is the 375 days the lead time for equipment? Or do we know approx. lead times for equipment?

A22: The equipment justification document will be removed due to the revisions addressed in Amendment 1. The revised duration for the contract is 165 days for the classifier. The amount of time specified accounts for lead time to order equipment. (updated 28 February 2013)

Q 23: Does the interior side of the concrete structure receive any coatings?

http://farsite.af.mil/

Response to Request for Information

POSTED: 28 February 2013

A23: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Q 24: Does any of the existing equipment, piping, conduit get re-painted/coated?

A24: Repainting/recoating existing equipment is not included in this contract, unless otherwise noted on bidding document.

Q 25: With the second site visit being on Nov. 30th, will you extend the cut off day for asking questions?

A 25: Amendment 0004 revised the date of the site visit along with the date for questions. (updated 28 February 2013)

Q 26: In specification 15222, Section 2.5 Slide Gates there are only two companies listed: Rodney Hunt and Waterman. Can additional companies be listed in the specifications?

A26: Per Section 15222 Part 2.2.A.2, substitutions shall be submitted for approval according to Section

01 33 00/01330 SUBMITTAL PROCEDURES.

Q 27: Where is Section 01330 – Submittal Procedures located in the specifications?

A27: Submittal procedures can be found the division 01 section titled ’01 33 00/01330 SUBMITTAL PROCEDURES. Amendment 0004 replaced the Table of Contents. (updated 28 February 2013)

Q 28: The electrical specs make mention of section 16135, 16142 and 16902, however these sections are not present, nor is it mentioned in the table of contents. Could you please confirm if this section exists?

A28: Section 16135, 16142, and 16902 were inadvertently left in the corresponding electrical specs.

These sections are not needed.

Q 29: A hard copy of the Geotechnical Exploration and Engineering report as prepared by Professional Services Industries (PSI).

A29: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Q 30: Drawings of the existing structures. (Review and copies of pertinent information)

A30: Drawings of the existing structures are included in Amendment 0004. (updated 28 February 2013)

Q 31: Please provide a ceiling elevation in the existing Grit/screening Room.

Response to Request for Information

POSTED: 28 February 2013 A31: Based on the As-built drawing, the elevation is approximately 892’-4”. Contractor shall field verify the actual elevation.

Q 32: Spec Section 15222 Part 2.2 Check Valves details that check valves, size 4” through 8”, for sewage applications shall be air cushioned lever and weight. The manufacturers currently listed are more common for industrial/plumbing specialties and most do not offer AWWA style swing check valves with air cushion lever and weight. Please advise if the APCO 250 or other manufacturers be acceptable for this project.

A32: Per Section 15222 Part 2.2.A.2, substitutions shall be submitted for approval according to Section

01 33 00/01330 SUBMITTAL PROCEDURES.

Q 33: Plan Sheet DP-301 shows a solenoid operated valve and manual ball valve on the Flushing Connections but refers to two different notes/details.

A33: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Q 34: Note 9 indicated that the flushing pipe shall be 2”. However, the detail on DP-501 shows 1” valve sizes. Please clarify if you also want the flushing valves to be 2”.

A34: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Q 35: Section 2.8 of Specification section 11322 – Vortex Grit Removal - indicates the Area Classification is shown on the drawings.

- the electrical drawings do not have an explicit indication as to the area classification.

- it is not entirely clear from some of the drawings what is required in terms of a main control panel and local control stations.

A35: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Q 36: Drawing sheet EP-601 shows the new Grit Removal System Control Panel under Motor Control Center B. See below. Sheet EP-101 shows the panel connected to Motor Control Center A and CP-100.

Also, the P&I diagram does not show any signals heading to the control panel. The connection to CP- 100 leaves us wondering if a main control panel is required, or if control of the equipment will be handled by CP-100 and we simply need to provide local control stations? Please confirm what is required to provide in terms of control panels? What are the Classification of the area the panels will be installed. Is than a main control panel? Is it connected to a MCC?

A36: Question pertains to Option 1. Amendment 0004 removed all items affiliated with Option 1.

(updated 28 February 2013)

Response to Request for Information

POSTED: 28 February 2013